1 | // This code was written by Tyler Akins and has been placed in the |
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2 | // public domain. It would be nice if you left this header intact. |
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3 | // Base64 code from Tyler Akins -- http://rumkin.com |
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4 | |
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5 | var Base64 = (function () { |
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6 | var keyStr = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/="; |
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7 | |
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8 | var obj = { |
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9 | /** |
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10 | * Encodes a string in base64 |
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11 | * @param {String} input The string to encode in base64. |
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12 | */ |
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13 | encode: function (input) { |
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14 | var output = ""; |
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15 | var chr1, chr2, chr3; |
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16 | var enc1, enc2, enc3, enc4; |
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17 | var i = 0; |
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18 | |
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19 | do { |
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20 | chr1 = input.charCodeAt(i++); |
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21 | chr2 = input.charCodeAt(i++); |
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22 | chr3 = input.charCodeAt(i++); |
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23 | |
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24 | enc1 = chr1 >> 2; |
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25 | enc2 = ((chr1 & 3) << 4) | (chr2 >> 4); |
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26 | enc3 = ((chr2 & 15) << 2) | (chr3 >> 6); |
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27 | enc4 = chr3 & 63; |
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28 | |
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29 | if (isNaN(chr2)) { |
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30 | enc3 = enc4 = 64; |
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31 | } else if (isNaN(chr3)) { |
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32 | enc4 = 64; |
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33 | } |
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34 | |
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35 | output = output + keyStr.charAt(enc1) + keyStr.charAt(enc2) + |
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36 | keyStr.charAt(enc3) + keyStr.charAt(enc4); |
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37 | } while (i < input.length); |
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38 | |
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39 | return output; |
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40 | }, |
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41 | |
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42 | /** |
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43 | * Decodes a base64 string. |
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44 | * @param {String} input The string to decode. |
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45 | */ |
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46 | decode: function (input) { |
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47 | var output = ""; |
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48 | var chr1, chr2, chr3; |
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49 | var enc1, enc2, enc3, enc4; |
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50 | var i = 0; |
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51 | |
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52 | // remove all characters that are not A-Z, a-z, 0-9, +, /, or = |
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53 | input = input.replace(/[^A-Za-z0-9\+\/\=]/g, ""); |
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54 | |
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55 | do { |
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56 | enc1 = keyStr.indexOf(input.charAt(i++)); |
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57 | enc2 = keyStr.indexOf(input.charAt(i++)); |
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58 | enc3 = keyStr.indexOf(input.charAt(i++)); |
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59 | enc4 = keyStr.indexOf(input.charAt(i++)); |
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60 | |
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61 | chr1 = (enc1 << 2) | (enc2 >> 4); |
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62 | chr2 = ((enc2 & 15) << 4) | (enc3 >> 2); |
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63 | chr3 = ((enc3 & 3) << 6) | enc4; |
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64 | |
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65 | output = output + String.fromCharCode(chr1); |
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66 | |
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67 | if (enc3 != 64) { |
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68 | output = output + String.fromCharCode(chr2); |
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69 | } |
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70 | if (enc4 != 64) { |
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71 | output = output + String.fromCharCode(chr3); |
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72 | } |
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73 | } while (i < input.length); |
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74 | |
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75 | return output; |
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76 | } |
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77 | }; |
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78 | |
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79 | return obj; |
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80 | })(); |
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81 | /* |
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82 | * A JavaScript implementation of the RSA Data Security, Inc. MD5 Message |
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83 | * Digest Algorithm, as defined in RFC 1321. |
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84 | * Version 2.1 Copyright (C) Paul Johnston 1999 - 2002. |
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85 | * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet |
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86 | * Distributed under the BSD License |
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87 | * See http://pajhome.org.uk/crypt/md5 for more info. |
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88 | */ |
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89 | |
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90 | var MD5 = (function () { |
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91 | /* |
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92 | * Configurable variables. You may need to tweak these to be compatible with |
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93 | * the server-side, but the defaults work in most cases. |
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94 | */ |
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95 | var hexcase = 0; /* hex output format. 0 - lowercase; 1 - uppercase */ |
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96 | var b64pad = ""; /* base-64 pad character. "=" for strict RFC compliance */ |
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97 | var chrsz = 8; /* bits per input character. 8 - ASCII; 16 - Unicode */ |
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98 | |
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99 | /* |
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100 | * Add integers, wrapping at 2^32. This uses 16-bit operations internally |
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101 | * to work around bugs in some JS interpreters. |
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102 | */ |
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103 | var safe_add = function (x, y) { |
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104 | var lsw = (x & 0xFFFF) + (y & 0xFFFF); |
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105 | var msw = (x >> 16) + (y >> 16) + (lsw >> 16); |
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106 | return (msw << 16) | (lsw & 0xFFFF); |
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107 | }; |
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108 | |
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109 | /* |
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110 | * Bitwise rotate a 32-bit number to the left. |
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111 | */ |
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112 | var bit_rol = function (num, cnt) { |
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113 | return (num << cnt) | (num >>> (32 - cnt)); |
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114 | }; |
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115 | |
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116 | /* |
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117 | * Convert a string to an array of little-endian words |
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118 | * If chrsz is ASCII, characters >255 have their hi-byte silently ignored. |
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119 | */ |
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120 | var str2binl = function (str) { |
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121 | var bin = []; |
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122 | var mask = (1 << chrsz) - 1; |
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123 | for(var i = 0; i < str.length * chrsz; i += chrsz) |
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124 | { |
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125 | bin[i>>5] |= (str.charCodeAt(i / chrsz) & mask) << (i%32); |
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126 | } |
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127 | return bin; |
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128 | }; |
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129 | |
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130 | /* |
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131 | * Convert an array of little-endian words to a string |
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132 | */ |
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133 | var binl2str = function (bin) { |
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134 | var str = ""; |
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135 | var mask = (1 << chrsz) - 1; |
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136 | for(var i = 0; i < bin.length * 32; i += chrsz) |
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137 | { |
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138 | str += String.fromCharCode((bin[i>>5] >>> (i % 32)) & mask); |
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139 | } |
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140 | return str; |
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141 | }; |
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142 | |
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143 | /* |
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144 | * Convert an array of little-endian words to a hex string. |
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145 | */ |
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146 | var binl2hex = function (binarray) { |
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147 | var hex_tab = hexcase ? "0123456789ABCDEF" : "0123456789abcdef"; |
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148 | var str = ""; |
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149 | for(var i = 0; i < binarray.length * 4; i++) |
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150 | { |
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151 | str += hex_tab.charAt((binarray[i>>2] >> ((i%4)*8+4)) & 0xF) + |
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152 | hex_tab.charAt((binarray[i>>2] >> ((i%4)*8 )) & 0xF); |
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153 | } |
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154 | return str; |
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155 | }; |
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156 | |
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157 | /* |
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158 | * Convert an array of little-endian words to a base-64 string |
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159 | */ |
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160 | var binl2b64 = function (binarray) { |
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161 | var tab = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"; |
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162 | var str = ""; |
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163 | var triplet, j; |
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164 | for(var i = 0; i < binarray.length * 4; i += 3) |
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165 | { |
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166 | triplet = (((binarray[i >> 2] >> 8 * ( i %4)) & 0xFF) << 16) | |
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167 | (((binarray[i+1 >> 2] >> 8 * ((i+1)%4)) & 0xFF) << 8 ) | |
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168 | ((binarray[i+2 >> 2] >> 8 * ((i+2)%4)) & 0xFF); |
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169 | for(j = 0; j < 4; j++) |
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170 | { |
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171 | if(i * 8 + j * 6 > binarray.length * 32) { str += b64pad; } |
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172 | else { str += tab.charAt((triplet >> 6*(3-j)) & 0x3F); } |
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173 | } |
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174 | } |
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175 | return str; |
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176 | }; |
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177 | |
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178 | /* |
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179 | * These functions implement the four basic operations the algorithm uses. |
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180 | */ |
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181 | var md5_cmn = function (q, a, b, x, s, t) { |
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182 | return safe_add(bit_rol(safe_add(safe_add(a, q),safe_add(x, t)), s),b); |
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183 | }; |
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184 | |
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185 | var md5_ff = function (a, b, c, d, x, s, t) { |
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186 | return md5_cmn((b & c) | ((~b) & d), a, b, x, s, t); |
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187 | }; |
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188 | |
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189 | var md5_gg = function (a, b, c, d, x, s, t) { |
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190 | return md5_cmn((b & d) | (c & (~d)), a, b, x, s, t); |
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191 | }; |
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192 | |
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193 | var md5_hh = function (a, b, c, d, x, s, t) { |
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194 | return md5_cmn(b ^ c ^ d, a, b, x, s, t); |
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195 | }; |
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196 | |
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197 | var md5_ii = function (a, b, c, d, x, s, t) { |
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198 | return md5_cmn(c ^ (b | (~d)), a, b, x, s, t); |
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199 | }; |
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200 | |
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201 | /* |
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202 | * Calculate the MD5 of an array of little-endian words, and a bit length |
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203 | */ |
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204 | var core_md5 = function (x, len) { |
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205 | /* append padding */ |
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206 | x[len >> 5] |= 0x80 << ((len) % 32); |
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207 | x[(((len + 64) >>> 9) << 4) + 14] = len; |
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208 | |
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209 | var a = 1732584193; |
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210 | var b = -271733879; |
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211 | var c = -1732584194; |
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212 | var d = 271733878; |
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213 | |
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214 | var olda, oldb, oldc, oldd; |
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215 | for (var i = 0; i < x.length; i += 16) |
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216 | { |
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217 | olda = a; |
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218 | oldb = b; |
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219 | oldc = c; |
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220 | oldd = d; |
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221 | |
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222 | a = md5_ff(a, b, c, d, x[i+ 0], 7 , -680876936); |
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223 | d = md5_ff(d, a, b, c, x[i+ 1], 12, -389564586); |
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224 | c = md5_ff(c, d, a, b, x[i+ 2], 17, 606105819); |
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225 | b = md5_ff(b, c, d, a, x[i+ 3], 22, -1044525330); |
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226 | a = md5_ff(a, b, c, d, x[i+ 4], 7 , -176418897); |
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227 | d = md5_ff(d, a, b, c, x[i+ 5], 12, 1200080426); |
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228 | c = md5_ff(c, d, a, b, x[i+ 6], 17, -1473231341); |
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229 | b = md5_ff(b, c, d, a, x[i+ 7], 22, -45705983); |
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230 | a = md5_ff(a, b, c, d, x[i+ 8], 7 , 1770035416); |
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231 | d = md5_ff(d, a, b, c, x[i+ 9], 12, -1958414417); |
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232 | c = md5_ff(c, d, a, b, x[i+10], 17, -42063); |
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233 | b = md5_ff(b, c, d, a, x[i+11], 22, -1990404162); |
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234 | a = md5_ff(a, b, c, d, x[i+12], 7 , 1804603682); |
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235 | d = md5_ff(d, a, b, c, x[i+13], 12, -40341101); |
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236 | c = md5_ff(c, d, a, b, x[i+14], 17, -1502002290); |
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237 | b = md5_ff(b, c, d, a, x[i+15], 22, 1236535329); |
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238 | |
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239 | a = md5_gg(a, b, c, d, x[i+ 1], 5 , -165796510); |
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240 | d = md5_gg(d, a, b, c, x[i+ 6], 9 , -1069501632); |
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241 | c = md5_gg(c, d, a, b, x[i+11], 14, 643717713); |
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242 | b = md5_gg(b, c, d, a, x[i+ 0], 20, -373897302); |
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243 | a = md5_gg(a, b, c, d, x[i+ 5], 5 , -701558691); |
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244 | d = md5_gg(d, a, b, c, x[i+10], 9 , 38016083); |
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245 | c = md5_gg(c, d, a, b, x[i+15], 14, -660478335); |
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246 | b = md5_gg(b, c, d, a, x[i+ 4], 20, -405537848); |
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247 | a = md5_gg(a, b, c, d, x[i+ 9], 5 , 568446438); |
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248 | d = md5_gg(d, a, b, c, x[i+14], 9 , -1019803690); |
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249 | c = md5_gg(c, d, a, b, x[i+ 3], 14, -187363961); |
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250 | b = md5_gg(b, c, d, a, x[i+ 8], 20, 1163531501); |
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251 | a = md5_gg(a, b, c, d, x[i+13], 5 , -1444681467); |
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252 | d = md5_gg(d, a, b, c, x[i+ 2], 9 , -51403784); |
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253 | c = md5_gg(c, d, a, b, x[i+ 7], 14, 1735328473); |
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254 | b = md5_gg(b, c, d, a, x[i+12], 20, -1926607734); |
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255 | |
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256 | a = md5_hh(a, b, c, d, x[i+ 5], 4 , -378558); |
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257 | d = md5_hh(d, a, b, c, x[i+ 8], 11, -2022574463); |
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258 | c = md5_hh(c, d, a, b, x[i+11], 16, 1839030562); |
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259 | b = md5_hh(b, c, d, a, x[i+14], 23, -35309556); |
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260 | a = md5_hh(a, b, c, d, x[i+ 1], 4 , -1530992060); |
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261 | d = md5_hh(d, a, b, c, x[i+ 4], 11, 1272893353); |
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262 | c = md5_hh(c, d, a, b, x[i+ 7], 16, -155497632); |
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263 | b = md5_hh(b, c, d, a, x[i+10], 23, -1094730640); |
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264 | a = md5_hh(a, b, c, d, x[i+13], 4 , 681279174); |
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265 | d = md5_hh(d, a, b, c, x[i+ 0], 11, -358537222); |
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266 | c = md5_hh(c, d, a, b, x[i+ 3], 16, -722521979); |
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267 | b = md5_hh(b, c, d, a, x[i+ 6], 23, 76029189); |
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268 | a = md5_hh(a, b, c, d, x[i+ 9], 4 , -640364487); |
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269 | d = md5_hh(d, a, b, c, x[i+12], 11, -421815835); |
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270 | c = md5_hh(c, d, a, b, x[i+15], 16, 530742520); |
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271 | b = md5_hh(b, c, d, a, x[i+ 2], 23, -995338651); |
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272 | |
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273 | a = md5_ii(a, b, c, d, x[i+ 0], 6 , -198630844); |
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274 | d = md5_ii(d, a, b, c, x[i+ 7], 10, 1126891415); |
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275 | c = md5_ii(c, d, a, b, x[i+14], 15, -1416354905); |
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276 | b = md5_ii(b, c, d, a, x[i+ 5], 21, -57434055); |
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277 | a = md5_ii(a, b, c, d, x[i+12], 6 , 1700485571); |
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278 | d = md5_ii(d, a, b, c, x[i+ 3], 10, -1894986606); |
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279 | c = md5_ii(c, d, a, b, x[i+10], 15, -1051523); |
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280 | b = md5_ii(b, c, d, a, x[i+ 1], 21, -2054922799); |
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281 | a = md5_ii(a, b, c, d, x[i+ 8], 6 , 1873313359); |
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282 | d = md5_ii(d, a, b, c, x[i+15], 10, -30611744); |
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283 | c = md5_ii(c, d, a, b, x[i+ 6], 15, -1560198380); |
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284 | b = md5_ii(b, c, d, a, x[i+13], 21, 1309151649); |
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285 | a = md5_ii(a, b, c, d, x[i+ 4], 6 , -145523070); |
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286 | d = md5_ii(d, a, b, c, x[i+11], 10, -1120210379); |
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287 | c = md5_ii(c, d, a, b, x[i+ 2], 15, 718787259); |
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288 | b = md5_ii(b, c, d, a, x[i+ 9], 21, -343485551); |
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289 | |
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290 | a = safe_add(a, olda); |
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291 | b = safe_add(b, oldb); |
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292 | c = safe_add(c, oldc); |
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293 | d = safe_add(d, oldd); |
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294 | } |
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295 | return [a, b, c, d]; |
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296 | }; |
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297 | |
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298 | |
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299 | /* |
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300 | * Calculate the HMAC-MD5, of a key and some data |
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301 | */ |
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302 | var core_hmac_md5 = function (key, data) { |
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303 | var bkey = str2binl(key); |
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304 | if(bkey.length > 16) { bkey = core_md5(bkey, key.length * chrsz); } |
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305 | |
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306 | var ipad = new Array(16), opad = new Array(16); |
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307 | for(var i = 0; i < 16; i++) |
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308 | { |
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309 | ipad[i] = bkey[i] ^ 0x36363636; |
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310 | opad[i] = bkey[i] ^ 0x5C5C5C5C; |
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311 | } |
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312 | |
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313 | var hash = core_md5(ipad.concat(str2binl(data)), 512 + data.length * chrsz); |
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314 | return core_md5(opad.concat(hash), 512 + 128); |
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315 | }; |
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316 | |
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317 | var obj = { |
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318 | /* |
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319 | * These are the functions you'll usually want to call. |
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320 | * They take string arguments and return either hex or base-64 encoded |
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321 | * strings. |
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322 | */ |
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323 | hexdigest: function (s) { |
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324 | return binl2hex(core_md5(str2binl(s), s.length * chrsz)); |
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325 | }, |
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326 | |
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327 | b64digest: function (s) { |
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328 | return binl2b64(core_md5(str2binl(s), s.length * chrsz)); |
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329 | }, |
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330 | |
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331 | hash: function (s) { |
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332 | return binl2str(core_md5(str2binl(s), s.length * chrsz)); |
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333 | }, |
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334 | |
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335 | hmac_hexdigest: function (key, data) { |
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336 | return binl2hex(core_hmac_md5(key, data)); |
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337 | }, |
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338 | |
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339 | hmac_b64digest: function (key, data) { |
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340 | return binl2b64(core_hmac_md5(key, data)); |
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341 | }, |
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342 | |
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343 | hmac_hash: function (key, data) { |
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344 | return binl2str(core_hmac_md5(key, data)); |
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345 | }, |
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346 | |
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347 | /* |
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348 | * Perform a simple self-test to see if the VM is working |
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349 | */ |
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350 | test: function () { |
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351 | return MD5.hexdigest("abc") === "900150983cd24fb0d6963f7d28e17f72"; |
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352 | } |
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353 | }; |
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354 | |
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355 | return obj; |
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356 | })(); |
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357 | |
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358 | /* |
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359 | This program is distributed under the terms of the MIT license. |
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360 | Please see the LICENSE file for details. |
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361 | |
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362 | Copyright 2006-2008, OGG, LLC |
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363 | */ |
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364 | |
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365 | /* jslint configuration: */ |
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366 | /*global document, window, setTimeout, clearTimeout, console, |
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367 | XMLHttpRequest, ActiveXObject, |
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368 | Base64, MD5, |
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369 | Strophe, $build, $msg, $iq, $pres */ |
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370 | |
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371 | /** File: strophe.js |
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372 | * A JavaScript library for XMPP BOSH. |
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373 | * |
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374 | * This is the JavaScript version of the Strophe library. Since JavaScript |
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375 | * has no facilities for persistent TCP connections, this library uses |
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376 | * Bidirectional-streams Over Synchronous HTTP (BOSH) to emulate |
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377 | * a persistent, stateful, two-way connection to an XMPP server. More |
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378 | * information on BOSH can be found in XEP 124. |
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379 | */ |
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380 | |
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381 | /** PrivateFunction: Function.prototype.bind |
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382 | * Bind a function to an instance. |
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383 | * |
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384 | * This Function object extension method creates a bound method similar |
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385 | * to those in Python. This means that the 'this' object will point |
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386 | * to the instance you want. See |
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387 | * <a href='http://benjamin.smedbergs.us/blog/2007-01-03/bound-functions-and-function-imports-in-javascript/'>Bound Functions and Function Imports in JavaScript</a> |
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388 | * for a complete explanation. |
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389 | * |
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390 | * This extension already exists in some browsers (namely, Firefox 3), but |
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391 | * we provide it to support those that don't. |
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392 | * |
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393 | * Parameters: |
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394 | * (Object) obj - The object that will become 'this' in the bound function. |
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395 | * |
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396 | * Returns: |
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397 | * The bound function. |
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398 | */ |
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399 | if (!Function.prototype.bind) { |
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400 | Function.prototype.bind = function (obj) |
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401 | { |
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402 | var func = this; |
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403 | return function () { return func.apply(obj, arguments); }; |
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404 | }; |
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405 | } |
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406 | |
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407 | /** PrivateFunction: Function.prototype.prependArg |
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408 | * Prepend an argument to a function. |
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409 | * |
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410 | * This Function object extension method returns a Function that will |
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411 | * invoke the original function with an argument prepended. This is useful |
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412 | * when some object has a callback that needs to get that same object as |
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413 | * an argument. The following fragment illustrates a simple case of this |
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414 | * > var obj = new Foo(this.someMethod);</code></blockquote> |
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415 | * |
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416 | * Foo's constructor can now use func.prependArg(this) to ensure the |
---|
417 | * passed in callback function gets the instance of Foo as an argument. |
---|
418 | * Doing this without prependArg would mean not setting the callback |
---|
419 | * from the constructor. |
---|
420 | * |
---|
421 | * This is used inside Strophe for passing the Strophe.Request object to |
---|
422 | * the onreadystatechange handler of XMLHttpRequests. |
---|
423 | * |
---|
424 | * Parameters: |
---|
425 | * arg - The argument to pass as the first parameter to the function. |
---|
426 | * |
---|
427 | * Returns: |
---|
428 | * A new Function which calls the original with the prepended argument. |
---|
429 | */ |
---|
430 | if (!Function.prototype.prependArg) { |
---|
431 | Function.prototype.prependArg = function (arg) |
---|
432 | { |
---|
433 | var func = this; |
---|
434 | |
---|
435 | return function () { |
---|
436 | var newargs = [arg]; |
---|
437 | for (var i = 0; i < arguments.length; i++) { |
---|
438 | newargs.push(arguments[i]); |
---|
439 | } |
---|
440 | return func.apply(this, newargs); |
---|
441 | }; |
---|
442 | }; |
---|
443 | } |
---|
444 | |
---|
445 | /** PrivateFunction: Array.prototype.indexOf |
---|
446 | * Return the index of an object in an array. |
---|
447 | * |
---|
448 | * This function is not supplied by some JavaScript implementations, so |
---|
449 | * we provide it if it is missing. This code is from: |
---|
450 | * http://developer.mozilla.org/En/Core_JavaScript_1.5_Reference:Objects:Array:indexOf |
---|
451 | * |
---|
452 | * Parameters: |
---|
453 | * (Object) elt - The object to look for. |
---|
454 | * (Integer) from - The index from which to start looking. (optional). |
---|
455 | * |
---|
456 | * Returns: |
---|
457 | * The index of elt in the array or -1 if not found. |
---|
458 | */ |
---|
459 | |
---|
460 | if (!Array.prototype.indexOf) |
---|
461 | { |
---|
462 | Array.prototype.indexOf = function( elt ) |
---|
463 | { |
---|
464 | var len = this.length; |
---|
465 | |
---|
466 | var from = Number(arguments[1]) || 0; |
---|
467 | from = (from < 0) ? Math.ceil(from) : Math.floor(from); |
---|
468 | if (from < 0) { |
---|
469 | from += len; |
---|
470 | } |
---|
471 | |
---|
472 | for (; from < len; from++) { |
---|
473 | if (from in this && this[from] === elt) { |
---|
474 | return from; |
---|
475 | } |
---|
476 | } |
---|
477 | |
---|
478 | return -1; |
---|
479 | }; |
---|
480 | } |
---|
481 | |
---|
482 | /* All of the Strophe globals are defined in this special function below so |
---|
483 | * that references to the globals become closures. This will ensure that |
---|
484 | * on page reload, these references will still be available to callbacks |
---|
485 | * that are still executing. |
---|
486 | */ |
---|
487 | |
---|
488 | (function (callback) { |
---|
489 | var Strophe; |
---|
490 | |
---|
491 | /** Function: $build |
---|
492 | * Create a Strophe.Builder. |
---|
493 | * This is an alias for 'new Strophe.Builder(name, attrs)'. |
---|
494 | * |
---|
495 | * Parameters: |
---|
496 | * (String) name - The root element name. |
---|
497 | * (Object) attrs - The attributes for the root element in object notation. |
---|
498 | * |
---|
499 | * Returns: |
---|
500 | * A new Strophe.Builder object. |
---|
501 | */ |
---|
502 | function $build(name, attrs) { return new Strophe.Builder(name, attrs); } |
---|
503 | /** Function: $msg |
---|
504 | * Create a Strophe.Builder with a <message/> element as the root. |
---|
505 | * |
---|
506 | * Parmaeters: |
---|
507 | * (Object) attrs - The <message/> element attributes in object notation. |
---|
508 | * |
---|
509 | * Returns: |
---|
510 | * A new Strophe.Builder object. |
---|
511 | */ |
---|
512 | function $msg(attrs) { return new Strophe.Builder("message", attrs); } |
---|
513 | /** Function: $iq |
---|
514 | * Create a Strophe.Builder with an <iq/> element as the root. |
---|
515 | * |
---|
516 | * Parameters: |
---|
517 | * (Object) attrs - The <iq/> element attributes in object notation. |
---|
518 | * |
---|
519 | * Returns: |
---|
520 | * A new Strophe.Builder object. |
---|
521 | */ |
---|
522 | function $iq(attrs) { return new Strophe.Builder("iq", attrs); } |
---|
523 | /** Function: $pres |
---|
524 | * Create a Strophe.Builder with a <presence/> element as the root. |
---|
525 | * |
---|
526 | * Parameters: |
---|
527 | * (Object) attrs - The <presence/> element attributes in object notation. |
---|
528 | * |
---|
529 | * Returns: |
---|
530 | * A new Strophe.Builder object. |
---|
531 | */ |
---|
532 | function $pres(attrs) { return new Strophe.Builder("presence", attrs); } |
---|
533 | |
---|
534 | /** Class: Strophe |
---|
535 | * An object container for all Strophe library functions. |
---|
536 | * |
---|
537 | * This class is just a container for all the objects and constants |
---|
538 | * used in the library. It is not meant to be instantiated, but to |
---|
539 | * provide a namespace for library objects, constants, and functions. |
---|
540 | */ |
---|
541 | Strophe = { |
---|
542 | /** Constant: VERSION |
---|
543 | * The version of the Strophe library. Unreleased builds will have |
---|
544 | * a version of head-HASH where HASH is a partial revision. |
---|
545 | */ |
---|
546 | VERSION: "1.0.1", |
---|
547 | |
---|
548 | /** Constants: XMPP Namespace Constants |
---|
549 | * Common namespace constants from the XMPP RFCs and XEPs. |
---|
550 | * |
---|
551 | * NS.HTTPBIND - HTTP BIND namespace from XEP 124. |
---|
552 | * NS.BOSH - BOSH namespace from XEP 206. |
---|
553 | * NS.CLIENT - Main XMPP client namespace. |
---|
554 | * NS.AUTH - Legacy authentication namespace. |
---|
555 | * NS.ROSTER - Roster operations namespace. |
---|
556 | * NS.PROFILE - Profile namespace. |
---|
557 | * NS.DISCO_INFO - Service discovery info namespace from XEP 30. |
---|
558 | * NS.DISCO_ITEMS - Service discovery items namespace from XEP 30. |
---|
559 | * NS.MUC - Multi-User Chat namespace from XEP 45. |
---|
560 | * NS.SASL - XMPP SASL namespace from RFC 3920. |
---|
561 | * NS.STREAM - XMPP Streams namespace from RFC 3920. |
---|
562 | * NS.BIND - XMPP Binding namespace from RFC 3920. |
---|
563 | * NS.SESSION - XMPP Session namespace from RFC 3920. |
---|
564 | */ |
---|
565 | NS: { |
---|
566 | HTTPBIND: "http://jabber.org/protocol/httpbind", |
---|
567 | BOSH: "urn:xmpp:xbosh", |
---|
568 | CLIENT: "jabber:client", |
---|
569 | AUTH: "jabber:iq:auth", |
---|
570 | ROSTER: "jabber:iq:roster", |
---|
571 | PROFILE: "jabber:iq:profile", |
---|
572 | DISCO_INFO: "http://jabber.org/protocol/disco#info", |
---|
573 | DISCO_ITEMS: "http://jabber.org/protocol/disco#items", |
---|
574 | MUC: "http://jabber.org/protocol/muc", |
---|
575 | MUC_USER: "http://jabber.org/protocol/muc#user", |
---|
576 | SASL: "urn:ietf:params:xml:ns:xmpp-sasl", |
---|
577 | STREAM: "http://etherx.jabber.org/streams", |
---|
578 | BIND: "urn:ietf:params:xml:ns:xmpp-bind", |
---|
579 | SESSION: "urn:ietf:params:xml:ns:xmpp-session", |
---|
580 | VERSION: "jabber:iq:version", |
---|
581 | STANZAS: "urn:ietf:params:xml:ns:xmpp-stanzas" |
---|
582 | }, |
---|
583 | |
---|
584 | /** Function: addNamespace |
---|
585 | * This function is used to extend the current namespaces in |
---|
586 | * Strophe.NS. It takes a key and a value with the key being the |
---|
587 | * name of the new namespace, with its actual value. |
---|
588 | * For example: |
---|
589 | * Strophe.addNamespace('PUBSUB', "http://jabber.org/protocol/pubsub"); |
---|
590 | * |
---|
591 | * Parameters: |
---|
592 | * (String) name - The name under which the namespace will be |
---|
593 | * referenced under Strophe.NS |
---|
594 | * (String) value - The actual namespace. |
---|
595 | */ |
---|
596 | addNamespace: function (name, value) |
---|
597 | { |
---|
598 | Strophe.NS[name] = value; |
---|
599 | }, |
---|
600 | |
---|
601 | /** Constants: Connection Status Constants |
---|
602 | * Connection status constants for use by the connection handler |
---|
603 | * callback. |
---|
604 | * |
---|
605 | * Status.ERROR - An error has occurred |
---|
606 | * Status.CONNECTING - The connection is currently being made |
---|
607 | * Status.CONNFAIL - The connection attempt failed |
---|
608 | * Status.AUTHENTICATING - The connection is authenticating |
---|
609 | * Status.AUTHFAIL - The authentication attempt failed |
---|
610 | * Status.CONNECTED - The connection has succeeded |
---|
611 | * Status.DISCONNECTED - The connection has been terminated |
---|
612 | * Status.DISCONNECTING - The connection is currently being terminated |
---|
613 | * Status.ATTACHED - The connection has been attached |
---|
614 | */ |
---|
615 | Status: { |
---|
616 | ERROR: 0, |
---|
617 | CONNECTING: 1, |
---|
618 | CONNFAIL: 2, |
---|
619 | AUTHENTICATING: 3, |
---|
620 | AUTHFAIL: 4, |
---|
621 | CONNECTED: 5, |
---|
622 | DISCONNECTED: 6, |
---|
623 | DISCONNECTING: 7, |
---|
624 | ATTACHED: 8 |
---|
625 | }, |
---|
626 | |
---|
627 | /** Constants: Log Level Constants |
---|
628 | * Logging level indicators. |
---|
629 | * |
---|
630 | * LogLevel.DEBUG - Debug output |
---|
631 | * LogLevel.INFO - Informational output |
---|
632 | * LogLevel.WARN - Warnings |
---|
633 | * LogLevel.ERROR - Errors |
---|
634 | * LogLevel.FATAL - Fatal errors |
---|
635 | */ |
---|
636 | LogLevel: { |
---|
637 | DEBUG: 0, |
---|
638 | INFO: 1, |
---|
639 | WARN: 2, |
---|
640 | ERROR: 3, |
---|
641 | FATAL: 4 |
---|
642 | }, |
---|
643 | |
---|
644 | /** PrivateConstants: DOM Element Type Constants |
---|
645 | * DOM element types. |
---|
646 | * |
---|
647 | * ElementType.NORMAL - Normal element. |
---|
648 | * ElementType.TEXT - Text data element. |
---|
649 | */ |
---|
650 | ElementType: { |
---|
651 | NORMAL: 1, |
---|
652 | TEXT: 3 |
---|
653 | }, |
---|
654 | |
---|
655 | /** PrivateConstants: Timeout Values |
---|
656 | * Timeout values for error states. These values are in seconds. |
---|
657 | * These should not be changed unless you know exactly what you are |
---|
658 | * doing. |
---|
659 | * |
---|
660 | * TIMEOUT - Timeout multiplier. A waiting request will be considered |
---|
661 | * failed after Math.floor(TIMEOUT * wait) seconds have elapsed. |
---|
662 | * This defaults to 1.1, and with default wait, 66 seconds. |
---|
663 | * SECONDARY_TIMEOUT - Secondary timeout multiplier. In cases where |
---|
664 | * Strophe can detect early failure, it will consider the request |
---|
665 | * failed if it doesn't return after |
---|
666 | * Math.floor(SECONDARY_TIMEOUT * wait) seconds have elapsed. |
---|
667 | * This defaults to 0.1, and with default wait, 6 seconds. |
---|
668 | */ |
---|
669 | TIMEOUT: 1.1, |
---|
670 | SECONDARY_TIMEOUT: 0.1, |
---|
671 | |
---|
672 | /** Function: forEachChild |
---|
673 | * Map a function over some or all child elements of a given element. |
---|
674 | * |
---|
675 | * This is a small convenience function for mapping a function over |
---|
676 | * some or all of the children of an element. If elemName is null, all |
---|
677 | * children will be passed to the function, otherwise only children |
---|
678 | * whose tag names match elemName will be passed. |
---|
679 | * |
---|
680 | * Parameters: |
---|
681 | * (XMLElement) elem - The element to operate on. |
---|
682 | * (String) elemName - The child element tag name filter. |
---|
683 | * (Function) func - The function to apply to each child. This |
---|
684 | * function should take a single argument, a DOM element. |
---|
685 | */ |
---|
686 | forEachChild: function (elem, elemName, func) |
---|
687 | { |
---|
688 | var i, childNode; |
---|
689 | |
---|
690 | for (i = 0; i < elem.childNodes.length; i++) { |
---|
691 | childNode = elem.childNodes[i]; |
---|
692 | if (childNode.nodeType == Strophe.ElementType.NORMAL && |
---|
693 | (!elemName || this.isTagEqual(childNode, elemName))) { |
---|
694 | func(childNode); |
---|
695 | } |
---|
696 | } |
---|
697 | }, |
---|
698 | |
---|
699 | /** Function: isTagEqual |
---|
700 | * Compare an element's tag name with a string. |
---|
701 | * |
---|
702 | * This function is case insensitive. |
---|
703 | * |
---|
704 | * Parameters: |
---|
705 | * (XMLElement) el - A DOM element. |
---|
706 | * (String) name - The element name. |
---|
707 | * |
---|
708 | * Returns: |
---|
709 | * true if the element's tag name matches _el_, and false |
---|
710 | * otherwise. |
---|
711 | */ |
---|
712 | isTagEqual: function (el, name) |
---|
713 | { |
---|
714 | return el.tagName.toLowerCase() == name.toLowerCase(); |
---|
715 | }, |
---|
716 | |
---|
717 | /** PrivateVariable: _xmlGenerator |
---|
718 | * _Private_ variable that caches a DOM document to |
---|
719 | * generate elements. |
---|
720 | */ |
---|
721 | _xmlGenerator: null, |
---|
722 | |
---|
723 | /** PrivateFunction: _makeGenerator |
---|
724 | * _Private_ function that creates a dummy XML DOM document to serve as |
---|
725 | * an element and text node generator. |
---|
726 | */ |
---|
727 | _makeGenerator: function () { |
---|
728 | var doc; |
---|
729 | |
---|
730 | if (window.ActiveXObject) { |
---|
731 | doc = new ActiveXObject("Microsoft.XMLDOM"); |
---|
732 | doc.appendChild(doc.createElement('strophe')); |
---|
733 | } else { |
---|
734 | doc = document.implementation |
---|
735 | .createDocument('jabber:client', 'strophe', null); |
---|
736 | } |
---|
737 | |
---|
738 | return doc; |
---|
739 | }, |
---|
740 | |
---|
741 | /** Function: xmlElement |
---|
742 | * Create an XML DOM element. |
---|
743 | * |
---|
744 | * This function creates an XML DOM element correctly across all |
---|
745 | * implementations. Specifically the Microsoft implementation of |
---|
746 | * document.createElement makes DOM elements with 43+ default attributes |
---|
747 | * unless elements are created with the ActiveX object Microsoft.XMLDOM. |
---|
748 | * |
---|
749 | * Most DOMs force element names to lowercase, so we use the |
---|
750 | * _realname attribute on the created element to store the case |
---|
751 | * sensitive name. This is required to generate proper XML for |
---|
752 | * things like vCard avatars (XEP 153). This attribute is stripped |
---|
753 | * out before being sent over the wire or serialized, but you may |
---|
754 | * notice it during debugging. |
---|
755 | * |
---|
756 | * Parameters: |
---|
757 | * (String) name - The name for the element. |
---|
758 | * (Array) attrs - An optional array of key/value pairs to use as |
---|
759 | * element attributes in the following format [['key1', 'value1'], |
---|
760 | * ['key2', 'value2']] |
---|
761 | * (String) text - The text child data for the element. |
---|
762 | * |
---|
763 | * Returns: |
---|
764 | * A new XML DOM element. |
---|
765 | */ |
---|
766 | xmlElement: function (name) |
---|
767 | { |
---|
768 | if (!name) { return null; } |
---|
769 | |
---|
770 | var node = null; |
---|
771 | if (!Strophe._xmlGenerator) { |
---|
772 | Strophe._xmlGenerator = Strophe._makeGenerator(); |
---|
773 | } |
---|
774 | node = Strophe._xmlGenerator.createElement(name); |
---|
775 | |
---|
776 | // FIXME: this should throw errors if args are the wrong type or |
---|
777 | // there are more than two optional args |
---|
778 | var a, i, k; |
---|
779 | for (a = 1; a < arguments.length; a++) { |
---|
780 | if (!arguments[a]) { continue; } |
---|
781 | if (typeof(arguments[a]) == "string" || |
---|
782 | typeof(arguments[a]) == "number") { |
---|
783 | node.appendChild(Strophe.xmlTextNode(arguments[a])); |
---|
784 | } else if (typeof(arguments[a]) == "object" && |
---|
785 | typeof(arguments[a].sort) == "function") { |
---|
786 | for (i = 0; i < arguments[a].length; i++) { |
---|
787 | if (typeof(arguments[a][i]) == "object" && |
---|
788 | typeof(arguments[a][i].sort) == "function") { |
---|
789 | node.setAttribute(arguments[a][i][0], |
---|
790 | arguments[a][i][1]); |
---|
791 | } |
---|
792 | } |
---|
793 | } else if (typeof(arguments[a]) == "object") { |
---|
794 | for (k in arguments[a]) { |
---|
795 | if (arguments[a].hasOwnProperty(k)) { |
---|
796 | node.setAttribute(k, arguments[a][k]); |
---|
797 | } |
---|
798 | } |
---|
799 | } |
---|
800 | } |
---|
801 | |
---|
802 | return node; |
---|
803 | }, |
---|
804 | |
---|
805 | /* Function: xmlescape |
---|
806 | * Excapes invalid xml characters. |
---|
807 | * |
---|
808 | * Parameters: |
---|
809 | * (String) text - text to escape. |
---|
810 | * |
---|
811 | * Returns: |
---|
812 | * Escaped text. |
---|
813 | */ |
---|
814 | xmlescape: function(text) |
---|
815 | { |
---|
816 | text = text.replace(/\&/g, "&"); |
---|
817 | text = text.replace(/</g, "<"); |
---|
818 | text = text.replace(/>/g, ">"); |
---|
819 | return text; |
---|
820 | }, |
---|
821 | |
---|
822 | /** Function: xmlTextNode |
---|
823 | * Creates an XML DOM text node. |
---|
824 | * |
---|
825 | * Provides a cross implementation version of document.createTextNode. |
---|
826 | * |
---|
827 | * Parameters: |
---|
828 | * (String) text - The content of the text node. |
---|
829 | * |
---|
830 | * Returns: |
---|
831 | * A new XML DOM text node. |
---|
832 | */ |
---|
833 | xmlTextNode: function (text) |
---|
834 | { |
---|
835 | //ensure text is escaped |
---|
836 | text = Strophe.xmlescape(text); |
---|
837 | |
---|
838 | if (!Strophe._xmlGenerator) { |
---|
839 | Strophe._xmlGenerator = Strophe._makeGenerator(); |
---|
840 | } |
---|
841 | return Strophe._xmlGenerator.createTextNode(text); |
---|
842 | }, |
---|
843 | |
---|
844 | /** Function: getText |
---|
845 | * Get the concatenation of all text children of an element. |
---|
846 | * |
---|
847 | * Parameters: |
---|
848 | * (XMLElement) elem - A DOM element. |
---|
849 | * |
---|
850 | * Returns: |
---|
851 | * A String with the concatenated text of all text element children. |
---|
852 | */ |
---|
853 | getText: function (elem) |
---|
854 | { |
---|
855 | if (!elem) { return null; } |
---|
856 | |
---|
857 | var str = ""; |
---|
858 | if (elem.childNodes.length === 0 && elem.nodeType == |
---|
859 | Strophe.ElementType.TEXT) { |
---|
860 | str += elem.nodeValue; |
---|
861 | } |
---|
862 | |
---|
863 | for (var i = 0; i < elem.childNodes.length; i++) { |
---|
864 | if (elem.childNodes[i].nodeType == Strophe.ElementType.TEXT) { |
---|
865 | str += elem.childNodes[i].nodeValue; |
---|
866 | } |
---|
867 | } |
---|
868 | |
---|
869 | return str; |
---|
870 | }, |
---|
871 | |
---|
872 | /** Function: copyElement |
---|
873 | * Copy an XML DOM element. |
---|
874 | * |
---|
875 | * This function copies a DOM element and all its descendants and returns |
---|
876 | * the new copy. |
---|
877 | * |
---|
878 | * Parameters: |
---|
879 | * (XMLElement) elem - A DOM element. |
---|
880 | * |
---|
881 | * Returns: |
---|
882 | * A new, copied DOM element tree. |
---|
883 | */ |
---|
884 | copyElement: function (elem) |
---|
885 | { |
---|
886 | var i, el; |
---|
887 | if (elem.nodeType == Strophe.ElementType.NORMAL) { |
---|
888 | el = Strophe.xmlElement(elem.tagName); |
---|
889 | |
---|
890 | for (i = 0; i < elem.attributes.length; i++) { |
---|
891 | el.setAttribute(elem.attributes[i].nodeName.toLowerCase(), |
---|
892 | elem.attributes[i].value); |
---|
893 | } |
---|
894 | |
---|
895 | for (i = 0; i < elem.childNodes.length; i++) { |
---|
896 | el.appendChild(Strophe.copyElement(elem.childNodes[i])); |
---|
897 | } |
---|
898 | } else if (elem.nodeType == Strophe.ElementType.TEXT) { |
---|
899 | el = Strophe.xmlTextNode(elem.nodeValue); |
---|
900 | } |
---|
901 | |
---|
902 | return el; |
---|
903 | }, |
---|
904 | |
---|
905 | /** Function: escapeNode |
---|
906 | * Escape the node part (also called local part) of a JID. |
---|
907 | * |
---|
908 | * Parameters: |
---|
909 | * (String) node - A node (or local part). |
---|
910 | * |
---|
911 | * Returns: |
---|
912 | * An escaped node (or local part). |
---|
913 | */ |
---|
914 | escapeNode: function (node) |
---|
915 | { |
---|
916 | return node.replace(/^\s+|\s+$/g, '') |
---|
917 | .replace(/\\/g, "\\5c") |
---|
918 | .replace(/ /g, "\\20") |
---|
919 | .replace(/\"/g, "\\22") |
---|
920 | .replace(/\&/g, "\\26") |
---|
921 | .replace(/\'/g, "\\27") |
---|
922 | .replace(/\//g, "\\2f") |
---|
923 | .replace(/:/g, "\\3a") |
---|
924 | .replace(/</g, "\\3c") |
---|
925 | .replace(/>/g, "\\3e") |
---|
926 | .replace(/@/g, "\\40"); |
---|
927 | }, |
---|
928 | |
---|
929 | /** Function: unescapeNode |
---|
930 | * Unescape a node part (also called local part) of a JID. |
---|
931 | * |
---|
932 | * Parameters: |
---|
933 | * (String) node - A node (or local part). |
---|
934 | * |
---|
935 | * Returns: |
---|
936 | * An unescaped node (or local part). |
---|
937 | */ |
---|
938 | unescapeNode: function (node) |
---|
939 | { |
---|
940 | return node.replace(/\\20/g, " ") |
---|
941 | .replace(/\\22/g, '"') |
---|
942 | .replace(/\\26/g, "&") |
---|
943 | .replace(/\\27/g, "'") |
---|
944 | .replace(/\\2f/g, "/") |
---|
945 | .replace(/\\3a/g, ":") |
---|
946 | .replace(/\\3c/g, "<") |
---|
947 | .replace(/\\3e/g, ">") |
---|
948 | .replace(/\\40/g, "@") |
---|
949 | .replace(/\\5c/g, "\\"); |
---|
950 | }, |
---|
951 | |
---|
952 | /** Function: getNodeFromJid |
---|
953 | * Get the node portion of a JID String. |
---|
954 | * |
---|
955 | * Parameters: |
---|
956 | * (String) jid - A JID. |
---|
957 | * |
---|
958 | * Returns: |
---|
959 | * A String containing the node. |
---|
960 | */ |
---|
961 | getNodeFromJid: function (jid) |
---|
962 | { |
---|
963 | if (jid.indexOf("@") < 0) { return null; } |
---|
964 | return jid.split("@")[0]; |
---|
965 | }, |
---|
966 | |
---|
967 | /** Function: getDomainFromJid |
---|
968 | * Get the domain portion of a JID String. |
---|
969 | * |
---|
970 | * Parameters: |
---|
971 | * (String) jid - A JID. |
---|
972 | * |
---|
973 | * Returns: |
---|
974 | * A String containing the domain. |
---|
975 | */ |
---|
976 | getDomainFromJid: function (jid) |
---|
977 | { |
---|
978 | var bare = Strophe.getBareJidFromJid(jid); |
---|
979 | if (bare.indexOf("@") < 0) { |
---|
980 | return bare; |
---|
981 | } else { |
---|
982 | var parts = bare.split("@"); |
---|
983 | parts.splice(0, 1); |
---|
984 | return parts.join('@'); |
---|
985 | } |
---|
986 | }, |
---|
987 | |
---|
988 | /** Function: getResourceFromJid |
---|
989 | * Get the resource portion of a JID String. |
---|
990 | * |
---|
991 | * Parameters: |
---|
992 | * (String) jid - A JID. |
---|
993 | * |
---|
994 | * Returns: |
---|
995 | * A String containing the resource. |
---|
996 | */ |
---|
997 | getResourceFromJid: function (jid) |
---|
998 | { |
---|
999 | var s = jid.split("/"); |
---|
1000 | if (s.length < 2) { return null; } |
---|
1001 | s.splice(0, 1); |
---|
1002 | return s.join('/'); |
---|
1003 | }, |
---|
1004 | |
---|
1005 | /** Function: getBareJidFromJid |
---|
1006 | * Get the bare JID from a JID String. |
---|
1007 | * |
---|
1008 | * Parameters: |
---|
1009 | * (String) jid - A JID. |
---|
1010 | * |
---|
1011 | * Returns: |
---|
1012 | * A String containing the bare JID. |
---|
1013 | */ |
---|
1014 | getBareJidFromJid: function (jid) |
---|
1015 | { |
---|
1016 | return jid.split("/")[0]; |
---|
1017 | }, |
---|
1018 | |
---|
1019 | /** Function: log |
---|
1020 | * User overrideable logging function. |
---|
1021 | * |
---|
1022 | * This function is called whenever the Strophe library calls any |
---|
1023 | * of the logging functions. The default implementation of this |
---|
1024 | * function does nothing. If client code wishes to handle the logging |
---|
1025 | * messages, it should override this with |
---|
1026 | * > Strophe.log = function (level, msg) { |
---|
1027 | * > (user code here) |
---|
1028 | * > }; |
---|
1029 | * |
---|
1030 | * Please note that data sent and received over the wire is logged |
---|
1031 | * via Strophe.Connection.rawInput() and Strophe.Connection.rawOutput(). |
---|
1032 | * |
---|
1033 | * The different levels and their meanings are |
---|
1034 | * |
---|
1035 | * DEBUG - Messages useful for debugging purposes. |
---|
1036 | * INFO - Informational messages. This is mostly information like |
---|
1037 | * 'disconnect was called' or 'SASL auth succeeded'. |
---|
1038 | * WARN - Warnings about potential problems. This is mostly used |
---|
1039 | * to report transient connection errors like request timeouts. |
---|
1040 | * ERROR - Some error occurred. |
---|
1041 | * FATAL - A non-recoverable fatal error occurred. |
---|
1042 | * |
---|
1043 | * Parameters: |
---|
1044 | * (Integer) level - The log level of the log message. This will |
---|
1045 | * be one of the values in Strophe.LogLevel. |
---|
1046 | * (String) msg - The log message. |
---|
1047 | */ |
---|
1048 | log: function (level, msg) |
---|
1049 | { |
---|
1050 | return; |
---|
1051 | }, |
---|
1052 | |
---|
1053 | /** Function: debug |
---|
1054 | * Log a message at the Strophe.LogLevel.DEBUG level. |
---|
1055 | * |
---|
1056 | * Parameters: |
---|
1057 | * (String) msg - The log message. |
---|
1058 | */ |
---|
1059 | debug: function(msg) |
---|
1060 | { |
---|
1061 | this.log(this.LogLevel.DEBUG, msg); |
---|
1062 | }, |
---|
1063 | |
---|
1064 | /** Function: info |
---|
1065 | * Log a message at the Strophe.LogLevel.INFO level. |
---|
1066 | * |
---|
1067 | * Parameters: |
---|
1068 | * (String) msg - The log message. |
---|
1069 | */ |
---|
1070 | info: function (msg) |
---|
1071 | { |
---|
1072 | this.log(this.LogLevel.INFO, msg); |
---|
1073 | }, |
---|
1074 | |
---|
1075 | /** Function: warn |
---|
1076 | * Log a message at the Strophe.LogLevel.WARN level. |
---|
1077 | * |
---|
1078 | * Parameters: |
---|
1079 | * (String) msg - The log message. |
---|
1080 | */ |
---|
1081 | warn: function (msg) |
---|
1082 | { |
---|
1083 | this.log(this.LogLevel.WARN, msg); |
---|
1084 | }, |
---|
1085 | |
---|
1086 | /** Function: error |
---|
1087 | * Log a message at the Strophe.LogLevel.ERROR level. |
---|
1088 | * |
---|
1089 | * Parameters: |
---|
1090 | * (String) msg - The log message. |
---|
1091 | */ |
---|
1092 | error: function (msg) |
---|
1093 | { |
---|
1094 | this.log(this.LogLevel.ERROR, msg); |
---|
1095 | }, |
---|
1096 | |
---|
1097 | /** Function: fatal |
---|
1098 | * Log a message at the Strophe.LogLevel.FATAL level. |
---|
1099 | * |
---|
1100 | * Parameters: |
---|
1101 | * (String) msg - The log message. |
---|
1102 | */ |
---|
1103 | fatal: function (msg) |
---|
1104 | { |
---|
1105 | this.log(this.LogLevel.FATAL, msg); |
---|
1106 | }, |
---|
1107 | |
---|
1108 | /** Function: serialize |
---|
1109 | * Render a DOM element and all descendants to a String. |
---|
1110 | * |
---|
1111 | * Parameters: |
---|
1112 | * (XMLElement) elem - A DOM element. |
---|
1113 | * |
---|
1114 | * Returns: |
---|
1115 | * The serialized element tree as a String. |
---|
1116 | */ |
---|
1117 | serialize: function (elem) |
---|
1118 | { |
---|
1119 | var result; |
---|
1120 | |
---|
1121 | if (!elem) { return null; } |
---|
1122 | |
---|
1123 | if (typeof(elem.tree) === "function") { |
---|
1124 | elem = elem.tree(); |
---|
1125 | } |
---|
1126 | |
---|
1127 | var nodeName = elem.nodeName; |
---|
1128 | var i, child; |
---|
1129 | |
---|
1130 | if (elem.getAttribute("_realname")) { |
---|
1131 | nodeName = elem.getAttribute("_realname"); |
---|
1132 | } |
---|
1133 | |
---|
1134 | result = "<" + nodeName; |
---|
1135 | for (i = 0; i < elem.attributes.length; i++) { |
---|
1136 | if(elem.attributes[i].nodeName != "_realname") { |
---|
1137 | result += " " + elem.attributes[i].nodeName.toLowerCase() + |
---|
1138 | "='" + elem.attributes[i].value |
---|
1139 | .replace("&", "&") |
---|
1140 | .replace("'", "'") |
---|
1141 | .replace("<", "<") + "'"; |
---|
1142 | } |
---|
1143 | } |
---|
1144 | |
---|
1145 | if (elem.childNodes.length > 0) { |
---|
1146 | result += ">"; |
---|
1147 | for (i = 0; i < elem.childNodes.length; i++) { |
---|
1148 | child = elem.childNodes[i]; |
---|
1149 | if (child.nodeType == Strophe.ElementType.NORMAL) { |
---|
1150 | // normal element, so recurse |
---|
1151 | result += Strophe.serialize(child); |
---|
1152 | } else if (child.nodeType == Strophe.ElementType.TEXT) { |
---|
1153 | // text element |
---|
1154 | result += child.nodeValue; |
---|
1155 | } |
---|
1156 | } |
---|
1157 | result += "</" + nodeName + ">"; |
---|
1158 | } else { |
---|
1159 | result += "/>"; |
---|
1160 | } |
---|
1161 | |
---|
1162 | return result; |
---|
1163 | }, |
---|
1164 | |
---|
1165 | /** PrivateVariable: _requestId |
---|
1166 | * _Private_ variable that keeps track of the request ids for |
---|
1167 | * connections. |
---|
1168 | */ |
---|
1169 | _requestId: 0, |
---|
1170 | |
---|
1171 | /** PrivateVariable: Strophe.connectionPlugins |
---|
1172 | * _Private_ variable Used to store plugin names that need |
---|
1173 | * initialization on Strophe.Connection construction. |
---|
1174 | */ |
---|
1175 | _connectionPlugins: {}, |
---|
1176 | |
---|
1177 | /** Function: addConnectionPlugin |
---|
1178 | * Extends the Strophe.Connection object with the given plugin. |
---|
1179 | * |
---|
1180 | * Paramaters: |
---|
1181 | * (String) name - The name of the extension. |
---|
1182 | * (Object) ptype - The plugin's prototype. |
---|
1183 | */ |
---|
1184 | addConnectionPlugin: function (name, ptype) |
---|
1185 | { |
---|
1186 | Strophe._connectionPlugins[name] = ptype; |
---|
1187 | } |
---|
1188 | }; |
---|
1189 | |
---|
1190 | /** Class: Strophe.Builder |
---|
1191 | * XML DOM builder. |
---|
1192 | * |
---|
1193 | * This object provides an interface similar to JQuery but for building |
---|
1194 | * DOM element easily and rapidly. All the functions except for toString() |
---|
1195 | * and tree() return the object, so calls can be chained. Here's an |
---|
1196 | * example using the $iq() builder helper. |
---|
1197 | * > $iq({to: 'you': from: 'me': type: 'get', id: '1'}) |
---|
1198 | * > .c('query', {xmlns: 'strophe:example'}) |
---|
1199 | * > .c('example') |
---|
1200 | * > .toString() |
---|
1201 | * The above generates this XML fragment |
---|
1202 | * > <iq to='you' from='me' type='get' id='1'> |
---|
1203 | * > <query xmlns='strophe:example'> |
---|
1204 | * > <example/> |
---|
1205 | * > </query> |
---|
1206 | * > </iq> |
---|
1207 | * The corresponding DOM manipulations to get a similar fragment would be |
---|
1208 | * a lot more tedious and probably involve several helper variables. |
---|
1209 | * |
---|
1210 | * Since adding children makes new operations operate on the child, up() |
---|
1211 | * is provided to traverse up the tree. To add two children, do |
---|
1212 | * > builder.c('child1', ...).up().c('child2', ...) |
---|
1213 | * The next operation on the Builder will be relative to the second child. |
---|
1214 | */ |
---|
1215 | |
---|
1216 | /** Constructor: Strophe.Builder |
---|
1217 | * Create a Strophe.Builder object. |
---|
1218 | * |
---|
1219 | * The attributes should be passed in object notation. For example |
---|
1220 | * > var b = new Builder('message', {to: 'you', from: 'me'}); |
---|
1221 | * or |
---|
1222 | * > var b = new Builder('messsage', {'xml:lang': 'en'}); |
---|
1223 | * |
---|
1224 | * Parameters: |
---|
1225 | * (String) name - The name of the root element. |
---|
1226 | * (Object) attrs - The attributes for the root element in object notation. |
---|
1227 | * |
---|
1228 | * Returns: |
---|
1229 | * A new Strophe.Builder. |
---|
1230 | */ |
---|
1231 | Strophe.Builder = function (name, attrs) |
---|
1232 | { |
---|
1233 | // Set correct namespace for jabber:client elements |
---|
1234 | if (name == "presence" || name == "message" || name == "iq") { |
---|
1235 | if (attrs && !attrs.xmlns) { |
---|
1236 | attrs.xmlns = Strophe.NS.CLIENT; |
---|
1237 | } else if (!attrs) { |
---|
1238 | attrs = {xmlns: Strophe.NS.CLIENT}; |
---|
1239 | } |
---|
1240 | } |
---|
1241 | |
---|
1242 | // Holds the tree being built. |
---|
1243 | this.nodeTree = Strophe.xmlElement(name, attrs); |
---|
1244 | |
---|
1245 | // Points to the current operation node. |
---|
1246 | this.node = this.nodeTree; |
---|
1247 | }; |
---|
1248 | |
---|
1249 | Strophe.Builder.prototype = { |
---|
1250 | /** Function: tree |
---|
1251 | * Return the DOM tree. |
---|
1252 | * |
---|
1253 | * This function returns the current DOM tree as an element object. This |
---|
1254 | * is suitable for passing to functions like Strophe.Connection.send(). |
---|
1255 | * |
---|
1256 | * Returns: |
---|
1257 | * The DOM tree as a element object. |
---|
1258 | */ |
---|
1259 | tree: function () |
---|
1260 | { |
---|
1261 | return this.nodeTree; |
---|
1262 | }, |
---|
1263 | |
---|
1264 | /** Function: toString |
---|
1265 | * Serialize the DOM tree to a String. |
---|
1266 | * |
---|
1267 | * This function returns a string serialization of the current DOM |
---|
1268 | * tree. It is often used internally to pass data to a |
---|
1269 | * Strophe.Request object. |
---|
1270 | * |
---|
1271 | * Returns: |
---|
1272 | * The serialized DOM tree in a String. |
---|
1273 | */ |
---|
1274 | toString: function () |
---|
1275 | { |
---|
1276 | return Strophe.serialize(this.nodeTree); |
---|
1277 | }, |
---|
1278 | |
---|
1279 | /** Function: up |
---|
1280 | * Make the current parent element the new current element. |
---|
1281 | * |
---|
1282 | * This function is often used after c() to traverse back up the tree. |
---|
1283 | * For example, to add two children to the same element |
---|
1284 | * > builder.c('child1', {}).up().c('child2', {}); |
---|
1285 | * |
---|
1286 | * Returns: |
---|
1287 | * The Stophe.Builder object. |
---|
1288 | */ |
---|
1289 | up: function () |
---|
1290 | { |
---|
1291 | this.node = this.node.parentNode; |
---|
1292 | return this; |
---|
1293 | }, |
---|
1294 | |
---|
1295 | /** Function: attrs |
---|
1296 | * Add or modify attributes of the current element. |
---|
1297 | * |
---|
1298 | * The attributes should be passed in object notation. This function |
---|
1299 | * does not move the current element pointer. |
---|
1300 | * |
---|
1301 | * Parameters: |
---|
1302 | * (Object) moreattrs - The attributes to add/modify in object notation. |
---|
1303 | * |
---|
1304 | * Returns: |
---|
1305 | * The Strophe.Builder object. |
---|
1306 | */ |
---|
1307 | attrs: function (moreattrs) |
---|
1308 | { |
---|
1309 | for (var k in moreattrs) { |
---|
1310 | if (moreattrs.hasOwnProperty(k)) { |
---|
1311 | this.node.setAttribute(k, moreattrs[k]); |
---|
1312 | } |
---|
1313 | } |
---|
1314 | return this; |
---|
1315 | }, |
---|
1316 | |
---|
1317 | /** Function: c |
---|
1318 | * Add a child to the current element and make it the new current |
---|
1319 | * element. |
---|
1320 | * |
---|
1321 | * This function moves the current element pointer to the child. If you |
---|
1322 | * need to add another child, it is necessary to use up() to go back |
---|
1323 | * to the parent in the tree. |
---|
1324 | * |
---|
1325 | * Parameters: |
---|
1326 | * (String) name - The name of the child. |
---|
1327 | * (Object) attrs - The attributes of the child in object notation. |
---|
1328 | * |
---|
1329 | * Returns: |
---|
1330 | * The Strophe.Builder object. |
---|
1331 | */ |
---|
1332 | c: function (name, attrs) |
---|
1333 | { |
---|
1334 | var child = Strophe.xmlElement(name, attrs); |
---|
1335 | this.node.appendChild(child); |
---|
1336 | this.node = child; |
---|
1337 | return this; |
---|
1338 | }, |
---|
1339 | |
---|
1340 | /** Function: cnode |
---|
1341 | * Add a child to the current element and make it the new current |
---|
1342 | * element. |
---|
1343 | * |
---|
1344 | * This function is the same as c() except that instead of using a |
---|
1345 | * name and an attributes object to create the child it uses an |
---|
1346 | * existing DOM element object. |
---|
1347 | * |
---|
1348 | * Parameters: |
---|
1349 | * (XMLElement) elem - A DOM element. |
---|
1350 | * |
---|
1351 | * Returns: |
---|
1352 | * The Strophe.Builder object. |
---|
1353 | */ |
---|
1354 | cnode: function (elem) |
---|
1355 | { |
---|
1356 | this.node.appendChild(elem); |
---|
1357 | this.node = elem; |
---|
1358 | return this; |
---|
1359 | }, |
---|
1360 | |
---|
1361 | /** Function: t |
---|
1362 | * Add a child text element. |
---|
1363 | * |
---|
1364 | * This *does not* make the child the new current element since there |
---|
1365 | * are no children of text elements. |
---|
1366 | * |
---|
1367 | * Parameters: |
---|
1368 | * (String) text - The text data to append to the current element. |
---|
1369 | * |
---|
1370 | * Returns: |
---|
1371 | * The Strophe.Builder object. |
---|
1372 | */ |
---|
1373 | t: function (text) |
---|
1374 | { |
---|
1375 | var child = Strophe.xmlTextNode(text); |
---|
1376 | this.node.appendChild(child); |
---|
1377 | return this; |
---|
1378 | } |
---|
1379 | }; |
---|
1380 | |
---|
1381 | |
---|
1382 | /** PrivateClass: Strophe.Handler |
---|
1383 | * _Private_ helper class for managing stanza handlers. |
---|
1384 | * |
---|
1385 | * A Strophe.Handler encapsulates a user provided callback function to be |
---|
1386 | * executed when matching stanzas are received by the connection. |
---|
1387 | * Handlers can be either one-off or persistant depending on their |
---|
1388 | * return value. Returning true will cause a Handler to remain active, and |
---|
1389 | * returning false will remove the Handler. |
---|
1390 | * |
---|
1391 | * Users will not use Strophe.Handler objects directly, but instead they |
---|
1392 | * will use Strophe.Connection.addHandler() and |
---|
1393 | * Strophe.Connection.deleteHandler(). |
---|
1394 | */ |
---|
1395 | |
---|
1396 | /** PrivateConstructor: Strophe.Handler |
---|
1397 | * Create and initialize a new Strophe.Handler. |
---|
1398 | * |
---|
1399 | * Parameters: |
---|
1400 | * (Function) handler - A function to be executed when the handler is run. |
---|
1401 | * (String) ns - The namespace to match. |
---|
1402 | * (String) name - The element name to match. |
---|
1403 | * (String) type - The element type to match. |
---|
1404 | * (String) id - The element id attribute to match. |
---|
1405 | * (String) from - The element from attribute to match. |
---|
1406 | * (Object) options - Handler options |
---|
1407 | * |
---|
1408 | * Returns: |
---|
1409 | * A new Strophe.Handler object. |
---|
1410 | */ |
---|
1411 | Strophe.Handler = function (handler, ns, name, type, id, from, options) |
---|
1412 | { |
---|
1413 | this.handler = handler; |
---|
1414 | this.ns = ns; |
---|
1415 | this.name = name; |
---|
1416 | this.type = type; |
---|
1417 | this.id = id; |
---|
1418 | this.options = options || {matchbare: false}; |
---|
1419 | |
---|
1420 | // default matchBare to false if undefined |
---|
1421 | if (!this.options.matchBare) { |
---|
1422 | this.options.matchBare = false; |
---|
1423 | } |
---|
1424 | |
---|
1425 | if (this.options.matchBare) { |
---|
1426 | this.from = Strophe.getBareJidFromJid(from); |
---|
1427 | } else { |
---|
1428 | this.from = from; |
---|
1429 | } |
---|
1430 | |
---|
1431 | // whether the handler is a user handler or a system handler |
---|
1432 | this.user = true; |
---|
1433 | }; |
---|
1434 | |
---|
1435 | Strophe.Handler.prototype = { |
---|
1436 | /** PrivateFunction: isMatch |
---|
1437 | * Tests if a stanza matches the Strophe.Handler. |
---|
1438 | * |
---|
1439 | * Parameters: |
---|
1440 | * (XMLElement) elem - The XML element to test. |
---|
1441 | * |
---|
1442 | * Returns: |
---|
1443 | * true if the stanza matches and false otherwise. |
---|
1444 | */ |
---|
1445 | isMatch: function (elem) |
---|
1446 | { |
---|
1447 | var nsMatch; |
---|
1448 | var from = null; |
---|
1449 | |
---|
1450 | if (this.options.matchBare) { |
---|
1451 | from = Strophe.getBareJidFromJid(elem.getAttribute('from')); |
---|
1452 | } else { |
---|
1453 | from = elem.getAttribute('from'); |
---|
1454 | } |
---|
1455 | |
---|
1456 | nsMatch = false; |
---|
1457 | if (!this.ns) { |
---|
1458 | nsMatch = true; |
---|
1459 | } else { |
---|
1460 | var self = this; |
---|
1461 | Strophe.forEachChild(elem, null, function (elem) { |
---|
1462 | if (elem.getAttribute("xmlns") == self.ns) { |
---|
1463 | nsMatch = true; |
---|
1464 | } |
---|
1465 | }); |
---|
1466 | |
---|
1467 | nsMatch = nsMatch || elem.getAttribute("xmlns") == this.ns; |
---|
1468 | } |
---|
1469 | |
---|
1470 | if (nsMatch && |
---|
1471 | (!this.name || Strophe.isTagEqual(elem, this.name)) && |
---|
1472 | (!this.type || elem.getAttribute("type") === this.type) && |
---|
1473 | (!this.id || elem.getAttribute("id") === this.id) && |
---|
1474 | (!this.from || from === this.from)) { |
---|
1475 | return true; |
---|
1476 | } |
---|
1477 | |
---|
1478 | return false; |
---|
1479 | }, |
---|
1480 | |
---|
1481 | /** PrivateFunction: run |
---|
1482 | * Run the callback on a matching stanza. |
---|
1483 | * |
---|
1484 | * Parameters: |
---|
1485 | * (XMLElement) elem - The DOM element that triggered the |
---|
1486 | * Strophe.Handler. |
---|
1487 | * |
---|
1488 | * Returns: |
---|
1489 | * A boolean indicating if the handler should remain active. |
---|
1490 | */ |
---|
1491 | run: function (elem) |
---|
1492 | { |
---|
1493 | var result = null; |
---|
1494 | try { |
---|
1495 | result = this.handler(elem); |
---|
1496 | } catch (e) { |
---|
1497 | if (e.sourceURL) { |
---|
1498 | Strophe.fatal("error: " + this.handler + |
---|
1499 | " " + e.sourceURL + ":" + |
---|
1500 | e.line + " - " + e.name + ": " + e.message); |
---|
1501 | } else if (e.fileName) { |
---|
1502 | if (typeof(console) != "undefined") { |
---|
1503 | console.trace(); |
---|
1504 | console.error(this.handler, " - error - ", e, e.message); |
---|
1505 | } |
---|
1506 | Strophe.fatal("error: " + this.handler + " " + |
---|
1507 | e.fileName + ":" + e.lineNumber + " - " + |
---|
1508 | e.name + ": " + e.message); |
---|
1509 | } else { |
---|
1510 | Strophe.fatal("error: " + this.handler); |
---|
1511 | } |
---|
1512 | |
---|
1513 | throw e; |
---|
1514 | } |
---|
1515 | |
---|
1516 | return result; |
---|
1517 | }, |
---|
1518 | |
---|
1519 | /** PrivateFunction: toString |
---|
1520 | * Get a String representation of the Strophe.Handler object. |
---|
1521 | * |
---|
1522 | * Returns: |
---|
1523 | * A String. |
---|
1524 | */ |
---|
1525 | toString: function () |
---|
1526 | { |
---|
1527 | return "{Handler: " + this.handler + "(" + this.name + "," + |
---|
1528 | this.id + "," + this.ns + ")}"; |
---|
1529 | } |
---|
1530 | }; |
---|
1531 | |
---|
1532 | /** PrivateClass: Strophe.TimedHandler |
---|
1533 | * _Private_ helper class for managing timed handlers. |
---|
1534 | * |
---|
1535 | * A Strophe.TimedHandler encapsulates a user provided callback that |
---|
1536 | * should be called after a certain period of time or at regular |
---|
1537 | * intervals. The return value of the callback determines whether the |
---|
1538 | * Strophe.TimedHandler will continue to fire. |
---|
1539 | * |
---|
1540 | * Users will not use Strophe.TimedHandler objects directly, but instead |
---|
1541 | * they will use Strophe.Connection.addTimedHandler() and |
---|
1542 | * Strophe.Connection.deleteTimedHandler(). |
---|
1543 | */ |
---|
1544 | |
---|
1545 | /** PrivateConstructor: Strophe.TimedHandler |
---|
1546 | * Create and initialize a new Strophe.TimedHandler object. |
---|
1547 | * |
---|
1548 | * Parameters: |
---|
1549 | * (Integer) period - The number of milliseconds to wait before the |
---|
1550 | * handler is called. |
---|
1551 | * (Function) handler - The callback to run when the handler fires. This |
---|
1552 | * function should take no arguments. |
---|
1553 | * |
---|
1554 | * Returns: |
---|
1555 | * A new Strophe.TimedHandler object. |
---|
1556 | */ |
---|
1557 | Strophe.TimedHandler = function (period, handler) |
---|
1558 | { |
---|
1559 | this.period = period; |
---|
1560 | this.handler = handler; |
---|
1561 | |
---|
1562 | this.lastCalled = new Date().getTime(); |
---|
1563 | this.user = true; |
---|
1564 | }; |
---|
1565 | |
---|
1566 | Strophe.TimedHandler.prototype = { |
---|
1567 | /** PrivateFunction: run |
---|
1568 | * Run the callback for the Strophe.TimedHandler. |
---|
1569 | * |
---|
1570 | * Returns: |
---|
1571 | * true if the Strophe.TimedHandler should be called again, and false |
---|
1572 | * otherwise. |
---|
1573 | */ |
---|
1574 | run: function () |
---|
1575 | { |
---|
1576 | this.lastCalled = new Date().getTime(); |
---|
1577 | return this.handler(); |
---|
1578 | }, |
---|
1579 | |
---|
1580 | /** PrivateFunction: reset |
---|
1581 | * Reset the last called time for the Strophe.TimedHandler. |
---|
1582 | */ |
---|
1583 | reset: function () |
---|
1584 | { |
---|
1585 | this.lastCalled = new Date().getTime(); |
---|
1586 | }, |
---|
1587 | |
---|
1588 | /** PrivateFunction: toString |
---|
1589 | * Get a string representation of the Strophe.TimedHandler object. |
---|
1590 | * |
---|
1591 | * Returns: |
---|
1592 | * The string representation. |
---|
1593 | */ |
---|
1594 | toString: function () |
---|
1595 | { |
---|
1596 | return "{TimedHandler: " + this.handler + "(" + this.period +")}"; |
---|
1597 | } |
---|
1598 | }; |
---|
1599 | |
---|
1600 | /** PrivateClass: Strophe.Request |
---|
1601 | * _Private_ helper class that provides a cross implementation abstraction |
---|
1602 | * for a BOSH related XMLHttpRequest. |
---|
1603 | * |
---|
1604 | * The Strophe.Request class is used internally to encapsulate BOSH request |
---|
1605 | * information. It is not meant to be used from user's code. |
---|
1606 | */ |
---|
1607 | |
---|
1608 | /** PrivateConstructor: Strophe.Request |
---|
1609 | * Create and initialize a new Strophe.Request object. |
---|
1610 | * |
---|
1611 | * Parameters: |
---|
1612 | * (XMLElement) elem - The XML data to be sent in the request. |
---|
1613 | * (Function) func - The function that will be called when the |
---|
1614 | * XMLHttpRequest readyState changes. |
---|
1615 | * (Integer) rid - The BOSH rid attribute associated with this request. |
---|
1616 | * (Integer) sends - The number of times this same request has been |
---|
1617 | * sent. |
---|
1618 | */ |
---|
1619 | Strophe.Request = function (elem, func, rid, sends) |
---|
1620 | { |
---|
1621 | this.id = ++Strophe._requestId; |
---|
1622 | this.xmlData = elem; |
---|
1623 | this.data = Strophe.serialize(elem); |
---|
1624 | // save original function in case we need to make a new request |
---|
1625 | // from this one. |
---|
1626 | this.origFunc = func; |
---|
1627 | this.func = func; |
---|
1628 | this.rid = rid; |
---|
1629 | this.date = NaN; |
---|
1630 | this.sends = sends || 0; |
---|
1631 | this.abort = false; |
---|
1632 | this.dead = null; |
---|
1633 | this.age = function () { |
---|
1634 | if (!this.date) { return 0; } |
---|
1635 | var now = new Date(); |
---|
1636 | return (now - this.date) / 1000; |
---|
1637 | }; |
---|
1638 | this.timeDead = function () { |
---|
1639 | if (!this.dead) { return 0; } |
---|
1640 | var now = new Date(); |
---|
1641 | return (now - this.dead) / 1000; |
---|
1642 | }; |
---|
1643 | this.xhr = this._newXHR(); |
---|
1644 | }; |
---|
1645 | |
---|
1646 | Strophe.Request.prototype = { |
---|
1647 | /** PrivateFunction: getResponse |
---|
1648 | * Get a response from the underlying XMLHttpRequest. |
---|
1649 | * |
---|
1650 | * This function attempts to get a response from the request and checks |
---|
1651 | * for errors. |
---|
1652 | * |
---|
1653 | * Throws: |
---|
1654 | * "parsererror" - A parser error occured. |
---|
1655 | * |
---|
1656 | * Returns: |
---|
1657 | * The DOM element tree of the response. |
---|
1658 | */ |
---|
1659 | getResponse: function () |
---|
1660 | { |
---|
1661 | var node = null; |
---|
1662 | if (this.xhr.responseXML && this.xhr.responseXML.documentElement) { |
---|
1663 | node = this.xhr.responseXML.documentElement; |
---|
1664 | if (node.tagName == "parsererror") { |
---|
1665 | Strophe.error("invalid response received"); |
---|
1666 | Strophe.error("responseText: " + this.xhr.responseText); |
---|
1667 | Strophe.error("responseXML: " + |
---|
1668 | Strophe.serialize(this.xhr.responseXML)); |
---|
1669 | throw "parsererror"; |
---|
1670 | } |
---|
1671 | } else if (this.xhr.responseText) { |
---|
1672 | Strophe.error("invalid response received"); |
---|
1673 | Strophe.error("responseText: " + this.xhr.responseText); |
---|
1674 | Strophe.error("responseXML: " + |
---|
1675 | Strophe.serialize(this.xhr.responseXML)); |
---|
1676 | } |
---|
1677 | |
---|
1678 | return node; |
---|
1679 | }, |
---|
1680 | |
---|
1681 | /** PrivateFunction: _newXHR |
---|
1682 | * _Private_ helper function to create XMLHttpRequests. |
---|
1683 | * |
---|
1684 | * This function creates XMLHttpRequests across all implementations. |
---|
1685 | * |
---|
1686 | * Returns: |
---|
1687 | * A new XMLHttpRequest. |
---|
1688 | */ |
---|
1689 | _newXHR: function () |
---|
1690 | { |
---|
1691 | var xhr = null; |
---|
1692 | if (window.XMLHttpRequest) { |
---|
1693 | xhr = new XMLHttpRequest(); |
---|
1694 | if (xhr.overrideMimeType) { |
---|
1695 | xhr.overrideMimeType("text/xml"); |
---|
1696 | } |
---|
1697 | } else if (window.ActiveXObject) { |
---|
1698 | xhr = new ActiveXObject("Microsoft.XMLHTTP"); |
---|
1699 | } |
---|
1700 | |
---|
1701 | xhr.onreadystatechange = this.func.prependArg(this); |
---|
1702 | |
---|
1703 | return xhr; |
---|
1704 | } |
---|
1705 | }; |
---|
1706 | |
---|
1707 | /** Class: Strophe.Connection |
---|
1708 | * XMPP Connection manager. |
---|
1709 | * |
---|
1710 | * Thie class is the main part of Strophe. It manages a BOSH connection |
---|
1711 | * to an XMPP server and dispatches events to the user callbacks as |
---|
1712 | * data arrives. It supports SASL PLAIN, SASL DIGEST-MD5, and legacy |
---|
1713 | * authentication. |
---|
1714 | * |
---|
1715 | * After creating a Strophe.Connection object, the user will typically |
---|
1716 | * call connect() with a user supplied callback to handle connection level |
---|
1717 | * events like authentication failure, disconnection, or connection |
---|
1718 | * complete. |
---|
1719 | * |
---|
1720 | * The user will also have several event handlers defined by using |
---|
1721 | * addHandler() and addTimedHandler(). These will allow the user code to |
---|
1722 | * respond to interesting stanzas or do something periodically with the |
---|
1723 | * connection. These handlers will be active once authentication is |
---|
1724 | * finished. |
---|
1725 | * |
---|
1726 | * To send data to the connection, use send(). |
---|
1727 | */ |
---|
1728 | |
---|
1729 | /** Constructor: Strophe.Connection |
---|
1730 | * Create and initialize a Strophe.Connection object. |
---|
1731 | * |
---|
1732 | * Parameters: |
---|
1733 | * (String) service - The BOSH service URL. |
---|
1734 | * |
---|
1735 | * Returns: |
---|
1736 | * A new Strophe.Connection object. |
---|
1737 | */ |
---|
1738 | Strophe.Connection = function (service) |
---|
1739 | { |
---|
1740 | /* The path to the httpbind service. */ |
---|
1741 | this.service = service; |
---|
1742 | /* The connected JID. */ |
---|
1743 | this.jid = ""; |
---|
1744 | /* request id for body tags */ |
---|
1745 | this.rid = Math.floor(Math.random() * 4294967295); |
---|
1746 | /* The current session ID. */ |
---|
1747 | this.sid = null; |
---|
1748 | this.streamId = null; |
---|
1749 | |
---|
1750 | // SASL |
---|
1751 | this.do_session = false; |
---|
1752 | this.do_bind = false; |
---|
1753 | |
---|
1754 | // handler lists |
---|
1755 | this.timedHandlers = []; |
---|
1756 | this.handlers = []; |
---|
1757 | this.removeTimeds = []; |
---|
1758 | this.removeHandlers = []; |
---|
1759 | this.addTimeds = []; |
---|
1760 | this.addHandlers = []; |
---|
1761 | |
---|
1762 | this._idleTimeout = null; |
---|
1763 | this._disconnectTimeout = null; |
---|
1764 | |
---|
1765 | this.authenticated = false; |
---|
1766 | this.disconnecting = false; |
---|
1767 | this.connected = false; |
---|
1768 | |
---|
1769 | this.errors = 0; |
---|
1770 | |
---|
1771 | this.paused = false; |
---|
1772 | |
---|
1773 | // default BOSH values |
---|
1774 | this.hold = 1; |
---|
1775 | this.wait = 60; |
---|
1776 | this.window = 5; |
---|
1777 | |
---|
1778 | this._data = []; |
---|
1779 | this._requests = []; |
---|
1780 | this._uniqueId = Math.round(Math.random() * 10000); |
---|
1781 | |
---|
1782 | this._sasl_success_handler = null; |
---|
1783 | this._sasl_failure_handler = null; |
---|
1784 | this._sasl_challenge_handler = null; |
---|
1785 | |
---|
1786 | // setup onIdle callback every 1/10th of a second |
---|
1787 | this._idleTimeout = setTimeout(this._onIdle.bind(this), 100); |
---|
1788 | |
---|
1789 | // initialize plugins |
---|
1790 | for (var k in Strophe._connectionPlugins) { |
---|
1791 | if (Strophe._connectionPlugins.hasOwnProperty(k)) { |
---|
1792 | var ptype = Strophe._connectionPlugins[k]; |
---|
1793 | // jslint complaints about the below line, but this is fine |
---|
1794 | var F = function () {}; |
---|
1795 | F.prototype = ptype; |
---|
1796 | this[k] = new F(); |
---|
1797 | this[k].init(this); |
---|
1798 | } |
---|
1799 | } |
---|
1800 | }; |
---|
1801 | |
---|
1802 | Strophe.Connection.prototype = { |
---|
1803 | /** Function: reset |
---|
1804 | * Reset the connection. |
---|
1805 | * |
---|
1806 | * This function should be called after a connection is disconnected |
---|
1807 | * before that connection is reused. |
---|
1808 | */ |
---|
1809 | reset: function () |
---|
1810 | { |
---|
1811 | this.rid = Math.floor(Math.random() * 4294967295); |
---|
1812 | |
---|
1813 | this.sid = null; |
---|
1814 | this.streamId = null; |
---|
1815 | |
---|
1816 | // SASL |
---|
1817 | this.do_session = false; |
---|
1818 | this.do_bind = false; |
---|
1819 | |
---|
1820 | // handler lists |
---|
1821 | this.timedHandlers = []; |
---|
1822 | this.handlers = []; |
---|
1823 | this.removeTimeds = []; |
---|
1824 | this.removeHandlers = []; |
---|
1825 | this.addTimeds = []; |
---|
1826 | this.addHandlers = []; |
---|
1827 | |
---|
1828 | this.authenticated = false; |
---|
1829 | this.disconnecting = false; |
---|
1830 | this.connected = false; |
---|
1831 | |
---|
1832 | this.errors = 0; |
---|
1833 | |
---|
1834 | this._requests = []; |
---|
1835 | this._uniqueId = Math.round(Math.random()*10000); |
---|
1836 | }, |
---|
1837 | |
---|
1838 | /** Function: pause |
---|
1839 | * Pause the request manager. |
---|
1840 | * |
---|
1841 | * This will prevent Strophe from sending any more requests to the |
---|
1842 | * server. This is very useful for temporarily pausing while a lot |
---|
1843 | * of send() calls are happening quickly. This causes Strophe to |
---|
1844 | * send the data in a single request, saving many request trips. |
---|
1845 | */ |
---|
1846 | pause: function () |
---|
1847 | { |
---|
1848 | this.paused = true; |
---|
1849 | }, |
---|
1850 | |
---|
1851 | /** Function: resume |
---|
1852 | * Resume the request manager. |
---|
1853 | * |
---|
1854 | * This resumes after pause() has been called. |
---|
1855 | */ |
---|
1856 | resume: function () |
---|
1857 | { |
---|
1858 | this.paused = false; |
---|
1859 | }, |
---|
1860 | |
---|
1861 | /** Function: getUniqueId |
---|
1862 | * Generate a unique ID for use in <iq/> elements. |
---|
1863 | * |
---|
1864 | * All <iq/> stanzas are required to have unique id attributes. This |
---|
1865 | * function makes creating these easy. Each connection instance has |
---|
1866 | * a counter which starts from zero, and the value of this counter |
---|
1867 | * plus a colon followed by the suffix becomes the unique id. If no |
---|
1868 | * suffix is supplied, the counter is used as the unique id. |
---|
1869 | * |
---|
1870 | * Suffixes are used to make debugging easier when reading the stream |
---|
1871 | * data, and their use is recommended. The counter resets to 0 for |
---|
1872 | * every new connection for the same reason. For connections to the |
---|
1873 | * same server that authenticate the same way, all the ids should be |
---|
1874 | * the same, which makes it easy to see changes. This is useful for |
---|
1875 | * automated testing as well. |
---|
1876 | * |
---|
1877 | * Parameters: |
---|
1878 | * (String) suffix - A optional suffix to append to the id. |
---|
1879 | * |
---|
1880 | * Returns: |
---|
1881 | * A unique string to be used for the id attribute. |
---|
1882 | */ |
---|
1883 | getUniqueId: function (suffix) |
---|
1884 | { |
---|
1885 | if (typeof(suffix) == "string" || typeof(suffix) == "number") { |
---|
1886 | return ++this._uniqueId + ":" + suffix; |
---|
1887 | } else { |
---|
1888 | return ++this._uniqueId + ""; |
---|
1889 | } |
---|
1890 | }, |
---|
1891 | |
---|
1892 | /** Function: connect |
---|
1893 | * Starts the connection process. |
---|
1894 | * |
---|
1895 | * As the connection process proceeds, the user supplied callback will |
---|
1896 | * be triggered multiple times with status updates. The callback |
---|
1897 | * should take two arguments - the status code and the error condition. |
---|
1898 | * |
---|
1899 | * The status code will be one of the values in the Strophe.Status |
---|
1900 | * constants. The error condition will be one of the conditions |
---|
1901 | * defined in RFC 3920 or the condition 'strophe-parsererror'. |
---|
1902 | * |
---|
1903 | * Please see XEP 124 for a more detailed explanation of the optional |
---|
1904 | * parameters below. |
---|
1905 | * |
---|
1906 | * Parameters: |
---|
1907 | * (String) jid - The user's JID. This may be a bare JID, |
---|
1908 | * or a full JID. If a node is not supplied, SASL ANONYMOUS |
---|
1909 | * authentication will be attempted. |
---|
1910 | * (String) pass - The user's password. |
---|
1911 | * (Function) callback The connect callback function. |
---|
1912 | * (Integer) wait - The optional HTTPBIND wait value. This is the |
---|
1913 | * time the server will wait before returning an empty result for |
---|
1914 | * a request. The default setting of 60 seconds is recommended. |
---|
1915 | * Other settings will require tweaks to the Strophe.TIMEOUT value. |
---|
1916 | * (Integer) hold - The optional HTTPBIND hold value. This is the |
---|
1917 | * number of connections the server will hold at one time. This |
---|
1918 | * should almost always be set to 1 (the default). |
---|
1919 | */ |
---|
1920 | connect: function (jid, pass, callback, wait, hold) |
---|
1921 | { |
---|
1922 | this.jid = jid; |
---|
1923 | this.pass = pass; |
---|
1924 | this.connect_callback = callback; |
---|
1925 | this.disconnecting = false; |
---|
1926 | this.connected = false; |
---|
1927 | this.authenticated = false; |
---|
1928 | this.errors = 0; |
---|
1929 | |
---|
1930 | this.wait = wait || this.wait; |
---|
1931 | this.hold = hold || this.hold; |
---|
1932 | |
---|
1933 | // parse jid for domain and resource |
---|
1934 | this.domain = Strophe.getDomainFromJid(this.jid); |
---|
1935 | |
---|
1936 | // build the body tag |
---|
1937 | var body = this._buildBody().attrs({ |
---|
1938 | to: this.domain, |
---|
1939 | "xml:lang": "en", |
---|
1940 | wait: this.wait, |
---|
1941 | hold: this.hold, |
---|
1942 | content: "text/xml; charset=utf-8", |
---|
1943 | ver: "1.6", |
---|
1944 | "xmpp:version": "1.0", |
---|
1945 | "xmlns:xmpp": Strophe.NS.BOSH |
---|
1946 | }); |
---|
1947 | |
---|
1948 | this._changeConnectStatus(Strophe.Status.CONNECTING, null); |
---|
1949 | |
---|
1950 | this._requests.push( |
---|
1951 | new Strophe.Request(body.tree(), |
---|
1952 | this._onRequestStateChange.bind(this) |
---|
1953 | .prependArg(this._connect_cb.bind(this)), |
---|
1954 | body.tree().getAttribute("rid"))); |
---|
1955 | this._throttledRequestHandler(); |
---|
1956 | }, |
---|
1957 | |
---|
1958 | /** Function: attach |
---|
1959 | * Attach to an already created and authenticated BOSH session. |
---|
1960 | * |
---|
1961 | * This function is provided to allow Strophe to attach to BOSH |
---|
1962 | * sessions which have been created externally, perhaps by a Web |
---|
1963 | * application. This is often used to support auto-login type features |
---|
1964 | * without putting user credentials into the page. |
---|
1965 | * |
---|
1966 | * Parameters: |
---|
1967 | * (String) jid - The full JID that is bound by the session. |
---|
1968 | * (String) sid - The SID of the BOSH session. |
---|
1969 | * (String) rid - The current RID of the BOSH session. This RID |
---|
1970 | * will be used by the next request. |
---|
1971 | * (Function) callback The connect callback function. |
---|
1972 | * (Integer) wait - The optional HTTPBIND wait value. This is the |
---|
1973 | * time the server will wait before returning an empty result for |
---|
1974 | * a request. The default setting of 60 seconds is recommended. |
---|
1975 | * Other settings will require tweaks to the Strophe.TIMEOUT value. |
---|
1976 | * (Integer) hold - The optional HTTPBIND hold value. This is the |
---|
1977 | * number of connections the server will hold at one time. This |
---|
1978 | * should almost always be set to 1 (the default). |
---|
1979 | * (Integer) wind - The optional HTTBIND window value. This is the |
---|
1980 | * allowed range of request ids that are valid. The default is 5. |
---|
1981 | */ |
---|
1982 | attach: function (jid, sid, rid, callback, wait, hold, wind) |
---|
1983 | { |
---|
1984 | this.jid = jid; |
---|
1985 | this.sid = sid; |
---|
1986 | this.rid = rid; |
---|
1987 | this.connect_callback = callback; |
---|
1988 | |
---|
1989 | this.domain = Strophe.getDomainFromJid(this.jid); |
---|
1990 | |
---|
1991 | this.authenticated = true; |
---|
1992 | this.connected = true; |
---|
1993 | |
---|
1994 | this.wait = wait || this.wait; |
---|
1995 | this.hold = hold || this.hold; |
---|
1996 | this.window = wind || this.window; |
---|
1997 | |
---|
1998 | this._changeConnectStatus(Strophe.Status.ATTACHED, null); |
---|
1999 | }, |
---|
2000 | |
---|
2001 | /** Function: xmlInput |
---|
2002 | * User overrideable function that receives XML data coming into the |
---|
2003 | * connection. |
---|
2004 | * |
---|
2005 | * The default function does nothing. User code can override this with |
---|
2006 | * > Strophe.Connection.xmlInput = function (elem) { |
---|
2007 | * > (user code) |
---|
2008 | * > }; |
---|
2009 | * |
---|
2010 | * Parameters: |
---|
2011 | * (XMLElement) elem - The XML data received by the connection. |
---|
2012 | */ |
---|
2013 | xmlInput: function (elem) |
---|
2014 | { |
---|
2015 | return; |
---|
2016 | }, |
---|
2017 | |
---|
2018 | /** Function: xmlOutput |
---|
2019 | * User overrideable function that receives XML data sent to the |
---|
2020 | * connection. |
---|
2021 | * |
---|
2022 | * The default function does nothing. User code can override this with |
---|
2023 | * > Strophe.Connection.xmlOutput = function (elem) { |
---|
2024 | * > (user code) |
---|
2025 | * > }; |
---|
2026 | * |
---|
2027 | * Parameters: |
---|
2028 | * (XMLElement) elem - The XMLdata sent by the connection. |
---|
2029 | */ |
---|
2030 | xmlOutput: function (elem) |
---|
2031 | { |
---|
2032 | return; |
---|
2033 | }, |
---|
2034 | |
---|
2035 | /** Function: rawInput |
---|
2036 | * User overrideable function that receives raw data coming into the |
---|
2037 | * connection. |
---|
2038 | * |
---|
2039 | * The default function does nothing. User code can override this with |
---|
2040 | * > Strophe.Connection.rawInput = function (data) { |
---|
2041 | * > (user code) |
---|
2042 | * > }; |
---|
2043 | * |
---|
2044 | * Parameters: |
---|
2045 | * (String) data - The data received by the connection. |
---|
2046 | */ |
---|
2047 | rawInput: function (data) |
---|
2048 | { |
---|
2049 | return; |
---|
2050 | }, |
---|
2051 | |
---|
2052 | /** Function: rawOutput |
---|
2053 | * User overrideable function that receives raw data sent to the |
---|
2054 | * connection. |
---|
2055 | * |
---|
2056 | * The default function does nothing. User code can override this with |
---|
2057 | * > Strophe.Connection.rawOutput = function (data) { |
---|
2058 | * > (user code) |
---|
2059 | * > }; |
---|
2060 | * |
---|
2061 | * Parameters: |
---|
2062 | * (String) data - The data sent by the connection. |
---|
2063 | */ |
---|
2064 | rawOutput: function (data) |
---|
2065 | { |
---|
2066 | return; |
---|
2067 | }, |
---|
2068 | |
---|
2069 | /** Function: send |
---|
2070 | * Send a stanza. |
---|
2071 | * |
---|
2072 | * This function is called to push data onto the send queue to |
---|
2073 | * go out over the wire. Whenever a request is sent to the BOSH |
---|
2074 | * server, all pending data is sent and the queue is flushed. |
---|
2075 | * |
---|
2076 | * Parameters: |
---|
2077 | * (XMLElement | |
---|
2078 | * [XMLElement] | |
---|
2079 | * Strophe.Builder) elem - The stanza to send. |
---|
2080 | */ |
---|
2081 | send: function (elem) |
---|
2082 | { |
---|
2083 | if (elem === null) { return ; } |
---|
2084 | if (typeof(elem.sort) === "function") { |
---|
2085 | for (var i = 0; i < elem.length; i++) { |
---|
2086 | this._queueData(elem[i]); |
---|
2087 | } |
---|
2088 | } else if (typeof(elem.tree) === "function") { |
---|
2089 | this._queueData(elem.tree()); |
---|
2090 | } else { |
---|
2091 | this._queueData(elem); |
---|
2092 | } |
---|
2093 | |
---|
2094 | this._throttledRequestHandler(); |
---|
2095 | clearTimeout(this._idleTimeout); |
---|
2096 | this._idleTimeout = setTimeout(this._onIdle.bind(this), 100); |
---|
2097 | }, |
---|
2098 | |
---|
2099 | /** Function: flush |
---|
2100 | * Immediately send any pending outgoing data. |
---|
2101 | * |
---|
2102 | * Normally send() queues outgoing data until the next idle period |
---|
2103 | * (100ms), which optimizes network use in the common cases when |
---|
2104 | * several send()s are called in succession. flush() can be used to |
---|
2105 | * immediately send all pending data. |
---|
2106 | */ |
---|
2107 | flush: function () |
---|
2108 | { |
---|
2109 | // cancel the pending idle period and run the idle function |
---|
2110 | // immediately |
---|
2111 | clearTimeout(this._idleTimeout); |
---|
2112 | this._onIdle(); |
---|
2113 | }, |
---|
2114 | |
---|
2115 | /** Function: sendIQ |
---|
2116 | * Helper function to send IQ stanzas. |
---|
2117 | * |
---|
2118 | * Parameters: |
---|
2119 | * (XMLElement) elem - The stanza to send. |
---|
2120 | * (Function) callback - The callback function for a successful request. |
---|
2121 | * (Function) errback - The callback function for a failed or timed |
---|
2122 | * out request. On timeout, the stanza will be null. |
---|
2123 | * (Integer) timeout - The time specified in milliseconds for a |
---|
2124 | * timeout to occur. |
---|
2125 | * |
---|
2126 | * Returns: |
---|
2127 | * The id used to send the IQ. |
---|
2128 | */ |
---|
2129 | sendIQ: function(elem, callback, errback, timeout) { |
---|
2130 | var timeoutHandler = null; |
---|
2131 | var that = this; |
---|
2132 | |
---|
2133 | if (typeof(elem.tree) === "function") { |
---|
2134 | elem = elem.tree(); |
---|
2135 | } |
---|
2136 | var id = elem.getAttribute('id'); |
---|
2137 | |
---|
2138 | // inject id if not found |
---|
2139 | if (!id) { |
---|
2140 | id = this.getUniqueId("sendIQ"); |
---|
2141 | elem.setAttribute("id", id); |
---|
2142 | } |
---|
2143 | |
---|
2144 | var handler = this.addHandler(function (stanza) { |
---|
2145 | // remove timeout handler if there is one |
---|
2146 | if (timeoutHandler) { |
---|
2147 | that.deleteTimedHandler(timeoutHandler); |
---|
2148 | } |
---|
2149 | |
---|
2150 | var iqtype = stanza.getAttribute('type'); |
---|
2151 | if (iqtype === 'result') { |
---|
2152 | if (callback) { |
---|
2153 | callback(stanza); |
---|
2154 | } |
---|
2155 | } else if (iqtype === 'error') { |
---|
2156 | if (errback) { |
---|
2157 | errback(stanza); |
---|
2158 | } |
---|
2159 | } else { |
---|
2160 | throw { |
---|
2161 | name: "StropheError", |
---|
2162 | message: "Got bad IQ type of " + iqtype |
---|
2163 | }; |
---|
2164 | } |
---|
2165 | }, null, 'iq', null, id); |
---|
2166 | |
---|
2167 | // if timeout specified, setup timeout handler. |
---|
2168 | if (timeout) { |
---|
2169 | timeoutHandler = this.addTimedHandler(timeout, function () { |
---|
2170 | // get rid of normal handler |
---|
2171 | that.deleteHandler(handler); |
---|
2172 | |
---|
2173 | // call errback on timeout with null stanza |
---|
2174 | if (errback) { |
---|
2175 | errback(null); |
---|
2176 | } |
---|
2177 | return false; |
---|
2178 | }); |
---|
2179 | } |
---|
2180 | |
---|
2181 | this.send(elem); |
---|
2182 | |
---|
2183 | return id; |
---|
2184 | }, |
---|
2185 | |
---|
2186 | /** PrivateFunction: _queueData |
---|
2187 | * Queue outgoing data for later sending. Also ensures that the data |
---|
2188 | * is a DOMElement. |
---|
2189 | */ |
---|
2190 | _queueData: function (element) { |
---|
2191 | if (element === null || |
---|
2192 | !element.tagName || |
---|
2193 | !element.childNodes) { |
---|
2194 | throw { |
---|
2195 | name: "StropheError", |
---|
2196 | message: "Cannot queue non-DOMElement." |
---|
2197 | }; |
---|
2198 | } |
---|
2199 | |
---|
2200 | this._data.push(element); |
---|
2201 | }, |
---|
2202 | |
---|
2203 | /** PrivateFunction: _sendRestart |
---|
2204 | * Send an xmpp:restart stanza. |
---|
2205 | */ |
---|
2206 | _sendRestart: function () |
---|
2207 | { |
---|
2208 | this._data.push("restart"); |
---|
2209 | |
---|
2210 | this._throttledRequestHandler(); |
---|
2211 | clearTimeout(this._idleTimeout); |
---|
2212 | this._idleTimeout = setTimeout(this._onIdle.bind(this), 100); |
---|
2213 | }, |
---|
2214 | |
---|
2215 | /** Function: addTimedHandler |
---|
2216 | * Add a timed handler to the connection. |
---|
2217 | * |
---|
2218 | * This function adds a timed handler. The provided handler will |
---|
2219 | * be called every period milliseconds until it returns false, |
---|
2220 | * the connection is terminated, or the handler is removed. Handlers |
---|
2221 | * that wish to continue being invoked should return true. |
---|
2222 | * |
---|
2223 | * Because of method binding it is necessary to save the result of |
---|
2224 | * this function if you wish to remove a handler with |
---|
2225 | * deleteTimedHandler(). |
---|
2226 | * |
---|
2227 | * Note that user handlers are not active until authentication is |
---|
2228 | * successful. |
---|
2229 | * |
---|
2230 | * Parameters: |
---|
2231 | * (Integer) period - The period of the handler. |
---|
2232 | * (Function) handler - The callback function. |
---|
2233 | * |
---|
2234 | * Returns: |
---|
2235 | * A reference to the handler that can be used to remove it. |
---|
2236 | */ |
---|
2237 | addTimedHandler: function (period, handler) |
---|
2238 | { |
---|
2239 | var thand = new Strophe.TimedHandler(period, handler); |
---|
2240 | this.addTimeds.push(thand); |
---|
2241 | return thand; |
---|
2242 | }, |
---|
2243 | |
---|
2244 | /** Function: deleteTimedHandler |
---|
2245 | * Delete a timed handler for a connection. |
---|
2246 | * |
---|
2247 | * This function removes a timed handler from the connection. The |
---|
2248 | * handRef parameter is *not* the function passed to addTimedHandler(), |
---|
2249 | * but is the reference returned from addTimedHandler(). |
---|
2250 | * |
---|
2251 | * Parameters: |
---|
2252 | * (Strophe.TimedHandler) handRef - The handler reference. |
---|
2253 | */ |
---|
2254 | deleteTimedHandler: function (handRef) |
---|
2255 | { |
---|
2256 | // this must be done in the Idle loop so that we don't change |
---|
2257 | // the handlers during iteration |
---|
2258 | this.removeTimeds.push(handRef); |
---|
2259 | }, |
---|
2260 | |
---|
2261 | /** Function: addHandler |
---|
2262 | * Add a stanza handler for the connection. |
---|
2263 | * |
---|
2264 | * This function adds a stanza handler to the connection. The |
---|
2265 | * handler callback will be called for any stanza that matches |
---|
2266 | * the parameters. Note that if multiple parameters are supplied, |
---|
2267 | * they must all match for the handler to be invoked. |
---|
2268 | * |
---|
2269 | * The handler will receive the stanza that triggered it as its argument. |
---|
2270 | * The handler should return true if it is to be invoked again; |
---|
2271 | * returning false will remove the handler after it returns. |
---|
2272 | * |
---|
2273 | * As a convenience, the ns parameters applies to the top level element |
---|
2274 | * and also any of its immediate children. This is primarily to make |
---|
2275 | * matching /iq/query elements easy. |
---|
2276 | * |
---|
2277 | * The options argument contains handler matching flags that affect how |
---|
2278 | * matches are determined. Currently the only flag is matchBare (a |
---|
2279 | * boolean). When matchBare is true, the from parameter and the from |
---|
2280 | * attribute on the stanza will be matched as bare JIDs instead of |
---|
2281 | * full JIDs. To use this, pass {matchBare: true} as the value of |
---|
2282 | * options. The default value for matchBare is false. |
---|
2283 | * |
---|
2284 | * The return value should be saved if you wish to remove the handler |
---|
2285 | * with deleteHandler(). |
---|
2286 | * |
---|
2287 | * Parameters: |
---|
2288 | * (Function) handler - The user callback. |
---|
2289 | * (String) ns - The namespace to match. |
---|
2290 | * (String) name - The stanza name to match. |
---|
2291 | * (String) type - The stanza type attribute to match. |
---|
2292 | * (String) id - The stanza id attribute to match. |
---|
2293 | * (String) from - The stanza from attribute to match. |
---|
2294 | * (String) options - The handler options |
---|
2295 | * |
---|
2296 | * Returns: |
---|
2297 | * A reference to the handler that can be used to remove it. |
---|
2298 | */ |
---|
2299 | addHandler: function (handler, ns, name, type, id, from, options) |
---|
2300 | { |
---|
2301 | var hand = new Strophe.Handler(handler, ns, name, type, id, from, options); |
---|
2302 | this.addHandlers.push(hand); |
---|
2303 | return hand; |
---|
2304 | }, |
---|
2305 | |
---|
2306 | /** Function: deleteHandler |
---|
2307 | * Delete a stanza handler for a connection. |
---|
2308 | * |
---|
2309 | * This function removes a stanza handler from the connection. The |
---|
2310 | * handRef parameter is *not* the function passed to addHandler(), |
---|
2311 | * but is the reference returned from addHandler(). |
---|
2312 | * |
---|
2313 | * Parameters: |
---|
2314 | * (Strophe.Handler) handRef - The handler reference. |
---|
2315 | */ |
---|
2316 | deleteHandler: function (handRef) |
---|
2317 | { |
---|
2318 | // this must be done in the Idle loop so that we don't change |
---|
2319 | // the handlers during iteration |
---|
2320 | this.removeHandlers.push(handRef); |
---|
2321 | }, |
---|
2322 | |
---|
2323 | /** Function: disconnect |
---|
2324 | * Start the graceful disconnection process. |
---|
2325 | * |
---|
2326 | * This function starts the disconnection process. This process starts |
---|
2327 | * by sending unavailable presence and sending BOSH body of type |
---|
2328 | * terminate. A timeout handler makes sure that disconnection happens |
---|
2329 | * even if the BOSH server does not respond. |
---|
2330 | * |
---|
2331 | * The user supplied connection callback will be notified of the |
---|
2332 | * progress as this process happens. |
---|
2333 | * |
---|
2334 | * Parameters: |
---|
2335 | * (String) reason - The reason the disconnect is occuring. |
---|
2336 | */ |
---|
2337 | disconnect: function (reason) |
---|
2338 | { |
---|
2339 | this._changeConnectStatus(Strophe.Status.DISCONNECTING, reason); |
---|
2340 | |
---|
2341 | Strophe.info("Disconnect was called because: " + reason); |
---|
2342 | if (this.connected) { |
---|
2343 | // setup timeout handler |
---|
2344 | this._disconnectTimeout = this._addSysTimedHandler( |
---|
2345 | 3000, this._onDisconnectTimeout.bind(this)); |
---|
2346 | this._sendTerminate(); |
---|
2347 | } |
---|
2348 | }, |
---|
2349 | |
---|
2350 | /** PrivateFunction: _changeConnectStatus |
---|
2351 | * _Private_ helper function that makes sure plugins and the user's |
---|
2352 | * callback are notified of connection status changes. |
---|
2353 | * |
---|
2354 | * Parameters: |
---|
2355 | * (Integer) status - the new connection status, one of the values |
---|
2356 | * in Strophe.Status |
---|
2357 | * (String) condition - the error condition or null |
---|
2358 | */ |
---|
2359 | _changeConnectStatus: function (status, condition) |
---|
2360 | { |
---|
2361 | // notify all plugins listening for status changes |
---|
2362 | for (var k in Strophe._connectionPlugins) { |
---|
2363 | if (Strophe._connectionPlugins.hasOwnProperty(k)) { |
---|
2364 | var plugin = this[k]; |
---|
2365 | if (plugin.statusChanged) { |
---|
2366 | try { |
---|
2367 | plugin.statusChanged(status, condition); |
---|
2368 | } catch (err) { |
---|
2369 | Strophe.error("" + k + " plugin caused an exception " + |
---|
2370 | "changing status: " + err); |
---|
2371 | } |
---|
2372 | } |
---|
2373 | } |
---|
2374 | } |
---|
2375 | |
---|
2376 | // notify the user's callback |
---|
2377 | if (this.connect_callback) { |
---|
2378 | try { |
---|
2379 | this.connect_callback(status, condition); |
---|
2380 | } catch (e) { |
---|
2381 | Strophe.error("User connection callback caused an " + |
---|
2382 | "exception: " + e); |
---|
2383 | } |
---|
2384 | } |
---|
2385 | }, |
---|
2386 | |
---|
2387 | /** PrivateFunction: _buildBody |
---|
2388 | * _Private_ helper function to generate the <body/> wrapper for BOSH. |
---|
2389 | * |
---|
2390 | * Returns: |
---|
2391 | * A Strophe.Builder with a <body/> element. |
---|
2392 | */ |
---|
2393 | _buildBody: function () |
---|
2394 | { |
---|
2395 | var bodyWrap = $build('body', { |
---|
2396 | rid: this.rid++, |
---|
2397 | xmlns: Strophe.NS.HTTPBIND |
---|
2398 | }); |
---|
2399 | |
---|
2400 | if (this.sid !== null) { |
---|
2401 | bodyWrap.attrs({sid: this.sid}); |
---|
2402 | } |
---|
2403 | |
---|
2404 | return bodyWrap; |
---|
2405 | }, |
---|
2406 | |
---|
2407 | /** PrivateFunction: _removeRequest |
---|
2408 | * _Private_ function to remove a request from the queue. |
---|
2409 | * |
---|
2410 | * Parameters: |
---|
2411 | * (Strophe.Request) req - The request to remove. |
---|
2412 | */ |
---|
2413 | _removeRequest: function (req) |
---|
2414 | { |
---|
2415 | Strophe.debug("removing request"); |
---|
2416 | |
---|
2417 | var i; |
---|
2418 | for (i = this._requests.length - 1; i >= 0; i--) { |
---|
2419 | if (req == this._requests[i]) { |
---|
2420 | this._requests.splice(i, 1); |
---|
2421 | } |
---|
2422 | } |
---|
2423 | |
---|
2424 | // IE6 fails on setting to null, so set to empty function |
---|
2425 | req.xhr.onreadystatechange = function () {}; |
---|
2426 | |
---|
2427 | this._throttledRequestHandler(); |
---|
2428 | }, |
---|
2429 | |
---|
2430 | /** PrivateFunction: _restartRequest |
---|
2431 | * _Private_ function to restart a request that is presumed dead. |
---|
2432 | * |
---|
2433 | * Parameters: |
---|
2434 | * (Integer) i - The index of the request in the queue. |
---|
2435 | */ |
---|
2436 | _restartRequest: function (i) |
---|
2437 | { |
---|
2438 | var req = this._requests[i]; |
---|
2439 | if (req.dead === null) { |
---|
2440 | req.dead = new Date(); |
---|
2441 | } |
---|
2442 | |
---|
2443 | this._processRequest(i); |
---|
2444 | }, |
---|
2445 | |
---|
2446 | /** PrivateFunction: _processRequest |
---|
2447 | * _Private_ function to process a request in the queue. |
---|
2448 | * |
---|
2449 | * This function takes requests off the queue and sends them and |
---|
2450 | * restarts dead requests. |
---|
2451 | * |
---|
2452 | * Parameters: |
---|
2453 | * (Integer) i - The index of the request in the queue. |
---|
2454 | */ |
---|
2455 | _processRequest: function (i) |
---|
2456 | { |
---|
2457 | var req = this._requests[i]; |
---|
2458 | var reqStatus = -1; |
---|
2459 | |
---|
2460 | try { |
---|
2461 | if (req.xhr.readyState == 4) { |
---|
2462 | reqStatus = req.xhr.status; |
---|
2463 | } |
---|
2464 | } catch (e) { |
---|
2465 | Strophe.error("caught an error in _requests[" + i + |
---|
2466 | "], reqStatus: " + reqStatus); |
---|
2467 | } |
---|
2468 | |
---|
2469 | if (typeof(reqStatus) == "undefined") { |
---|
2470 | reqStatus = -1; |
---|
2471 | } |
---|
2472 | |
---|
2473 | var time_elapsed = req.age(); |
---|
2474 | var primaryTimeout = (!isNaN(time_elapsed) && |
---|
2475 | time_elapsed > Math.floor(Strophe.TIMEOUT * this.wait)); |
---|
2476 | var secondaryTimeout = (req.dead !== null && |
---|
2477 | req.timeDead() > Math.floor(Strophe.SECONDARY_TIMEOUT * this.wait)); |
---|
2478 | var requestCompletedWithServerError = (req.xhr.readyState == 4 && |
---|
2479 | (reqStatus < 1 || |
---|
2480 | reqStatus >= 500)); |
---|
2481 | if (primaryTimeout || secondaryTimeout || |
---|
2482 | requestCompletedWithServerError) { |
---|
2483 | if (secondaryTimeout) { |
---|
2484 | Strophe.error("Request " + |
---|
2485 | this._requests[i].id + |
---|
2486 | " timed out (secondary), restarting"); |
---|
2487 | } |
---|
2488 | req.abort = true; |
---|
2489 | req.xhr.abort(); |
---|
2490 | // setting to null fails on IE6, so set to empty function |
---|
2491 | req.xhr.onreadystatechange = function () {}; |
---|
2492 | this._requests[i] = new Strophe.Request(req.xmlData, |
---|
2493 | req.origFunc, |
---|
2494 | req.rid, |
---|
2495 | req.sends); |
---|
2496 | req = this._requests[i]; |
---|
2497 | } |
---|
2498 | |
---|
2499 | if (req.xhr.readyState === 0) { |
---|
2500 | Strophe.debug("request id " + req.id + |
---|
2501 | "." + req.sends + " posting"); |
---|
2502 | |
---|
2503 | req.date = new Date(); |
---|
2504 | try { |
---|
2505 | req.xhr.open("POST", this.service, true); |
---|
2506 | } catch (e2) { |
---|
2507 | Strophe.error("XHR open failed."); |
---|
2508 | if (!this.connected) { |
---|
2509 | this._changeConnectStatus(Strophe.Status.CONNFAIL, |
---|
2510 | "bad-service"); |
---|
2511 | } |
---|
2512 | this.disconnect(); |
---|
2513 | return; |
---|
2514 | } |
---|
2515 | |
---|
2516 | // Fires the XHR request -- may be invoked immediately |
---|
2517 | // or on a gradually expanding retry window for reconnects |
---|
2518 | var sendFunc = function () { |
---|
2519 | req.xhr.send(req.data); |
---|
2520 | }; |
---|
2521 | |
---|
2522 | // Implement progressive backoff for reconnects -- |
---|
2523 | // First retry (send == 1) should also be instantaneous |
---|
2524 | if (req.sends > 1) { |
---|
2525 | // Using a cube of the retry number creats a nicely |
---|
2526 | // expanding retry window |
---|
2527 | var backoff = Math.pow(req.sends, 3) * 1000; |
---|
2528 | setTimeout(sendFunc, backoff); |
---|
2529 | } else { |
---|
2530 | sendFunc(); |
---|
2531 | } |
---|
2532 | |
---|
2533 | req.sends++; |
---|
2534 | |
---|
2535 | this.xmlOutput(req.xmlData); |
---|
2536 | this.rawOutput(req.data); |
---|
2537 | } else { |
---|
2538 | Strophe.debug("_processRequest: " + |
---|
2539 | (i === 0 ? "first" : "second") + |
---|
2540 | " request has readyState of " + |
---|
2541 | req.xhr.readyState); |
---|
2542 | } |
---|
2543 | }, |
---|
2544 | |
---|
2545 | /** PrivateFunction: _throttledRequestHandler |
---|
2546 | * _Private_ function to throttle requests to the connection window. |
---|
2547 | * |
---|
2548 | * This function makes sure we don't send requests so fast that the |
---|
2549 | * request ids overflow the connection window in the case that one |
---|
2550 | * request died. |
---|
2551 | */ |
---|
2552 | _throttledRequestHandler: function () |
---|
2553 | { |
---|
2554 | if (!this._requests) { |
---|
2555 | Strophe.debug("_throttledRequestHandler called with " + |
---|
2556 | "undefined requests"); |
---|
2557 | } else { |
---|
2558 | Strophe.debug("_throttledRequestHandler called with " + |
---|
2559 | this._requests.length + " requests"); |
---|
2560 | } |
---|
2561 | |
---|
2562 | if (!this._requests || this._requests.length === 0) { |
---|
2563 | return; |
---|
2564 | } |
---|
2565 | |
---|
2566 | if (this._requests.length > 0) { |
---|
2567 | this._processRequest(0); |
---|
2568 | } |
---|
2569 | |
---|
2570 | if (this._requests.length > 1 && |
---|
2571 | Math.abs(this._requests[0].rid - |
---|
2572 | this._requests[1].rid) < this.window - 1) { |
---|
2573 | this._processRequest(1); |
---|
2574 | } |
---|
2575 | }, |
---|
2576 | |
---|
2577 | /** PrivateFunction: _onRequestStateChange |
---|
2578 | * _Private_ handler for Strophe.Request state changes. |
---|
2579 | * |
---|
2580 | * This function is called when the XMLHttpRequest readyState changes. |
---|
2581 | * It contains a lot of error handling logic for the many ways that |
---|
2582 | * requests can fail, and calls the request callback when requests |
---|
2583 | * succeed. |
---|
2584 | * |
---|
2585 | * Parameters: |
---|
2586 | * (Function) func - The handler for the request. |
---|
2587 | * (Strophe.Request) req - The request that is changing readyState. |
---|
2588 | */ |
---|
2589 | _onRequestStateChange: function (func, req) |
---|
2590 | { |
---|
2591 | Strophe.debug("request id " + req.id + |
---|
2592 | "." + req.sends + " state changed to " + |
---|
2593 | req.xhr.readyState); |
---|
2594 | |
---|
2595 | if (req.abort) { |
---|
2596 | req.abort = false; |
---|
2597 | return; |
---|
2598 | } |
---|
2599 | |
---|
2600 | // request complete |
---|
2601 | var reqStatus; |
---|
2602 | if (req.xhr.readyState == 4) { |
---|
2603 | reqStatus = 0; |
---|
2604 | try { |
---|
2605 | reqStatus = req.xhr.status; |
---|
2606 | } catch (e) { |
---|
2607 | // ignore errors from undefined status attribute. works |
---|
2608 | // around a browser bug |
---|
2609 | } |
---|
2610 | |
---|
2611 | if (typeof(reqStatus) == "undefined") { |
---|
2612 | reqStatus = 0; |
---|
2613 | } |
---|
2614 | |
---|
2615 | if (this.disconnecting) { |
---|
2616 | if (reqStatus >= 400) { |
---|
2617 | this._hitError(reqStatus); |
---|
2618 | return; |
---|
2619 | } |
---|
2620 | } |
---|
2621 | |
---|
2622 | var reqIs0 = (this._requests[0] == req); |
---|
2623 | var reqIs1 = (this._requests[1] == req); |
---|
2624 | |
---|
2625 | if ((reqStatus > 0 && reqStatus < 500) || req.sends > 5) { |
---|
2626 | // remove from internal queue |
---|
2627 | this._removeRequest(req); |
---|
2628 | Strophe.debug("request id " + |
---|
2629 | req.id + |
---|
2630 | " should now be removed"); |
---|
2631 | } |
---|
2632 | |
---|
2633 | // request succeeded |
---|
2634 | if (reqStatus == 200) { |
---|
2635 | // if request 1 finished, or request 0 finished and request |
---|
2636 | // 1 is over Strophe.SECONDARY_TIMEOUT seconds old, we need to |
---|
2637 | // restart the other - both will be in the first spot, as the |
---|
2638 | // completed request has been removed from the queue already |
---|
2639 | if (reqIs1 || |
---|
2640 | (reqIs0 && this._requests.length > 0 && |
---|
2641 | this._requests[0].age() > Math.floor(Strophe.SECONDARY_TIMEOUT * this.wait))) { |
---|
2642 | this._restartRequest(0); |
---|
2643 | } |
---|
2644 | // call handler |
---|
2645 | Strophe.debug("request id " + |
---|
2646 | req.id + "." + |
---|
2647 | req.sends + " got 200"); |
---|
2648 | func(req); |
---|
2649 | this.errors = 0; |
---|
2650 | } else { |
---|
2651 | Strophe.error("request id " + |
---|
2652 | req.id + "." + |
---|
2653 | req.sends + " error " + reqStatus + |
---|
2654 | " happened"); |
---|
2655 | if (reqStatus === 0 || |
---|
2656 | (reqStatus >= 400 && reqStatus < 600) || |
---|
2657 | reqStatus >= 12000) { |
---|
2658 | this._hitError(reqStatus); |
---|
2659 | if (reqStatus >= 400 && reqStatus < 500) { |
---|
2660 | this._changeConnectStatus(Strophe.Status.DISCONNECTING, |
---|
2661 | null); |
---|
2662 | this._doDisconnect(); |
---|
2663 | } |
---|
2664 | } |
---|
2665 | } |
---|
2666 | |
---|
2667 | if (!((reqStatus > 0 && reqStatus < 10000) || |
---|
2668 | req.sends > 5)) { |
---|
2669 | this._throttledRequestHandler(); |
---|
2670 | } |
---|
2671 | } |
---|
2672 | }, |
---|
2673 | |
---|
2674 | /** PrivateFunction: _hitError |
---|
2675 | * _Private_ function to handle the error count. |
---|
2676 | * |
---|
2677 | * Requests are resent automatically until their error count reaches |
---|
2678 | * 5. Each time an error is encountered, this function is called to |
---|
2679 | * increment the count and disconnect if the count is too high. |
---|
2680 | * |
---|
2681 | * Parameters: |
---|
2682 | * (Integer) reqStatus - The request status. |
---|
2683 | */ |
---|
2684 | _hitError: function (reqStatus) |
---|
2685 | { |
---|
2686 | this.errors++; |
---|
2687 | Strophe.warn("request errored, status: " + reqStatus + |
---|
2688 | ", number of errors: " + this.errors); |
---|
2689 | if (this.errors > 4) { |
---|
2690 | this._onDisconnectTimeout(); |
---|
2691 | } |
---|
2692 | }, |
---|
2693 | |
---|
2694 | /** PrivateFunction: _doDisconnect |
---|
2695 | * _Private_ function to disconnect. |
---|
2696 | * |
---|
2697 | * This is the last piece of the disconnection logic. This resets the |
---|
2698 | * connection and alerts the user's connection callback. |
---|
2699 | */ |
---|
2700 | _doDisconnect: function () |
---|
2701 | { |
---|
2702 | Strophe.info("_doDisconnect was called"); |
---|
2703 | this.authenticated = false; |
---|
2704 | this.disconnecting = false; |
---|
2705 | this.sid = null; |
---|
2706 | this.streamId = null; |
---|
2707 | this.rid = Math.floor(Math.random() * 4294967295); |
---|
2708 | |
---|
2709 | // tell the parent we disconnected |
---|
2710 | if (this.connected) { |
---|
2711 | this._changeConnectStatus(Strophe.Status.DISCONNECTED, null); |
---|
2712 | this.connected = false; |
---|
2713 | } |
---|
2714 | |
---|
2715 | // delete handlers |
---|
2716 | this.handlers = []; |
---|
2717 | this.timedHandlers = []; |
---|
2718 | this.removeTimeds = []; |
---|
2719 | this.removeHandlers = []; |
---|
2720 | this.addTimeds = []; |
---|
2721 | this.addHandlers = []; |
---|
2722 | }, |
---|
2723 | |
---|
2724 | /** PrivateFunction: _dataRecv |
---|
2725 | * _Private_ handler to processes incoming data from the the connection. |
---|
2726 | * |
---|
2727 | * Except for _connect_cb handling the initial connection request, |
---|
2728 | * this function handles the incoming data for all requests. This |
---|
2729 | * function also fires stanza handlers that match each incoming |
---|
2730 | * stanza. |
---|
2731 | * |
---|
2732 | * Parameters: |
---|
2733 | * (Strophe.Request) req - The request that has data ready. |
---|
2734 | */ |
---|
2735 | _dataRecv: function (req) |
---|
2736 | { |
---|
2737 | try { |
---|
2738 | var elem = req.getResponse(); |
---|
2739 | } catch (e) { |
---|
2740 | if (e != "parsererror") { throw e; } |
---|
2741 | this.disconnect("strophe-parsererror"); |
---|
2742 | } |
---|
2743 | if (elem === null) { return; } |
---|
2744 | |
---|
2745 | this.xmlInput(elem); |
---|
2746 | this.rawInput(Strophe.serialize(elem)); |
---|
2747 | |
---|
2748 | // remove handlers scheduled for deletion |
---|
2749 | var i, hand; |
---|
2750 | while (this.removeHandlers.length > 0) { |
---|
2751 | hand = this.removeHandlers.pop(); |
---|
2752 | i = this.handlers.indexOf(hand); |
---|
2753 | if (i >= 0) { |
---|
2754 | this.handlers.splice(i, 1); |
---|
2755 | } |
---|
2756 | } |
---|
2757 | |
---|
2758 | // add handlers scheduled for addition |
---|
2759 | while (this.addHandlers.length > 0) { |
---|
2760 | this.handlers.push(this.addHandlers.pop()); |
---|
2761 | } |
---|
2762 | |
---|
2763 | // handle graceful disconnect |
---|
2764 | if (this.disconnecting && this._requests.length === 0) { |
---|
2765 | this.deleteTimedHandler(this._disconnectTimeout); |
---|
2766 | this._disconnectTimeout = null; |
---|
2767 | this._doDisconnect(); |
---|
2768 | return; |
---|
2769 | } |
---|
2770 | |
---|
2771 | var typ = elem.getAttribute("type"); |
---|
2772 | var cond, conflict; |
---|
2773 | if (typ !== null && typ == "terminate") { |
---|
2774 | // an error occurred |
---|
2775 | cond = elem.getAttribute("condition"); |
---|
2776 | conflict = elem.getElementsByTagName("conflict"); |
---|
2777 | if (cond !== null) { |
---|
2778 | if (cond == "remote-stream-error" && conflict.length > 0) { |
---|
2779 | cond = "conflict"; |
---|
2780 | } |
---|
2781 | this._changeConnectStatus(Strophe.Status.CONNFAIL, cond); |
---|
2782 | } else { |
---|
2783 | this._changeConnectStatus(Strophe.Status.CONNFAIL, "unknown"); |
---|
2784 | } |
---|
2785 | this.disconnect(); |
---|
2786 | return; |
---|
2787 | } |
---|
2788 | |
---|
2789 | // send each incoming stanza through the handler chain |
---|
2790 | var self = this; |
---|
2791 | Strophe.forEachChild(elem, null, function (child) { |
---|
2792 | var i, newList; |
---|
2793 | // process handlers |
---|
2794 | newList = self.handlers; |
---|
2795 | self.handlers = []; |
---|
2796 | for (i = 0; i < newList.length; i++) { |
---|
2797 | var hand = newList[i]; |
---|
2798 | if (hand.isMatch(child) && |
---|
2799 | (self.authenticated || !hand.user)) { |
---|
2800 | if (hand.run(child)) { |
---|
2801 | self.handlers.push(hand); |
---|
2802 | } |
---|
2803 | } else { |
---|
2804 | self.handlers.push(hand); |
---|
2805 | } |
---|
2806 | } |
---|
2807 | }); |
---|
2808 | }, |
---|
2809 | |
---|
2810 | /** PrivateFunction: _sendTerminate |
---|
2811 | * _Private_ function to send initial disconnect sequence. |
---|
2812 | * |
---|
2813 | * This is the first step in a graceful disconnect. It sends |
---|
2814 | * the BOSH server a terminate body and includes an unavailable |
---|
2815 | * presence if authentication has completed. |
---|
2816 | */ |
---|
2817 | _sendTerminate: function () |
---|
2818 | { |
---|
2819 | Strophe.info("_sendTerminate was called"); |
---|
2820 | var body = this._buildBody().attrs({type: "terminate"}); |
---|
2821 | |
---|
2822 | if (this.authenticated) { |
---|
2823 | body.c('presence', { |
---|
2824 | xmlns: Strophe.NS.CLIENT, |
---|
2825 | type: 'unavailable' |
---|
2826 | }); |
---|
2827 | } |
---|
2828 | |
---|
2829 | this.disconnecting = true; |
---|
2830 | |
---|
2831 | var req = new Strophe.Request(body.tree(), |
---|
2832 | this._onRequestStateChange.bind(this) |
---|
2833 | .prependArg(this._dataRecv.bind(this)), |
---|
2834 | body.tree().getAttribute("rid")); |
---|
2835 | |
---|
2836 | this._requests.push(req); |
---|
2837 | this._throttledRequestHandler(); |
---|
2838 | }, |
---|
2839 | |
---|
2840 | /** PrivateFunction: _connect_cb |
---|
2841 | * _Private_ handler for initial connection request. |
---|
2842 | * |
---|
2843 | * This handler is used to process the initial connection request |
---|
2844 | * response from the BOSH server. It is used to set up authentication |
---|
2845 | * handlers and start the authentication process. |
---|
2846 | * |
---|
2847 | * SASL authentication will be attempted if available, otherwise |
---|
2848 | * the code will fall back to legacy authentication. |
---|
2849 | * |
---|
2850 | * Parameters: |
---|
2851 | * (Strophe.Request) req - The current request. |
---|
2852 | */ |
---|
2853 | _connect_cb: function (req) |
---|
2854 | { |
---|
2855 | Strophe.info("_connect_cb was called"); |
---|
2856 | |
---|
2857 | this.connected = true; |
---|
2858 | var bodyWrap = req.getResponse(); |
---|
2859 | if (!bodyWrap) { return; } |
---|
2860 | |
---|
2861 | this.xmlInput(bodyWrap); |
---|
2862 | this.rawInput(Strophe.serialize(bodyWrap)); |
---|
2863 | |
---|
2864 | var typ = bodyWrap.getAttribute("type"); |
---|
2865 | var cond, conflict; |
---|
2866 | if (typ !== null && typ == "terminate") { |
---|
2867 | // an error occurred |
---|
2868 | cond = bodyWrap.getAttribute("condition"); |
---|
2869 | conflict = bodyWrap.getElementsByTagName("conflict"); |
---|
2870 | if (cond !== null) { |
---|
2871 | if (cond == "remote-stream-error" && conflict.length > 0) { |
---|
2872 | cond = "conflict"; |
---|
2873 | } |
---|
2874 | this._changeConnectStatus(Strophe.Status.CONNFAIL, cond); |
---|
2875 | } else { |
---|
2876 | this._changeConnectStatus(Strophe.Status.CONNFAIL, "unknown"); |
---|
2877 | } |
---|
2878 | return; |
---|
2879 | } |
---|
2880 | |
---|
2881 | // check to make sure we don't overwrite these if _connect_cb is |
---|
2882 | // called multiple times in the case of missing stream:features |
---|
2883 | if (!this.sid) { |
---|
2884 | this.sid = bodyWrap.getAttribute("sid"); |
---|
2885 | } |
---|
2886 | if (!this.stream_id) { |
---|
2887 | this.stream_id = bodyWrap.getAttribute("authid"); |
---|
2888 | } |
---|
2889 | var wind = bodyWrap.getAttribute('requests'); |
---|
2890 | if (wind) { this.window = parseInt(wind, 10); } |
---|
2891 | var hold = bodyWrap.getAttribute('hold'); |
---|
2892 | if (hold) { this.hold = parseInt(hold, 10); } |
---|
2893 | var wait = bodyWrap.getAttribute('wait'); |
---|
2894 | if (wait) { this.wait = parseInt(wait, 10); } |
---|
2895 | |
---|
2896 | |
---|
2897 | var do_sasl_plain = false; |
---|
2898 | var do_sasl_digest_md5 = false; |
---|
2899 | var do_sasl_anonymous = false; |
---|
2900 | |
---|
2901 | var mechanisms = bodyWrap.getElementsByTagName("mechanism"); |
---|
2902 | var i, mech, auth_str, hashed_auth_str; |
---|
2903 | if (mechanisms.length > 0) { |
---|
2904 | for (i = 0; i < mechanisms.length; i++) { |
---|
2905 | mech = Strophe.getText(mechanisms[i]); |
---|
2906 | if (mech == 'DIGEST-MD5') { |
---|
2907 | do_sasl_digest_md5 = true; |
---|
2908 | } else if (mech == 'PLAIN') { |
---|
2909 | do_sasl_plain = true; |
---|
2910 | } else if (mech == 'ANONYMOUS') { |
---|
2911 | do_sasl_anonymous = true; |
---|
2912 | } |
---|
2913 | } |
---|
2914 | } else { |
---|
2915 | // we didn't get stream:features yet, so we need wait for it |
---|
2916 | // by sending a blank poll request |
---|
2917 | var body = this._buildBody(); |
---|
2918 | this._requests.push( |
---|
2919 | new Strophe.Request(body.tree(), |
---|
2920 | this._onRequestStateChange.bind(this) |
---|
2921 | .prependArg(this._connect_cb.bind(this)), |
---|
2922 | body.tree().getAttribute("rid"))); |
---|
2923 | this._throttledRequestHandler(); |
---|
2924 | return; |
---|
2925 | } |
---|
2926 | |
---|
2927 | if (Strophe.getNodeFromJid(this.jid) === null && |
---|
2928 | do_sasl_anonymous) { |
---|
2929 | this._changeConnectStatus(Strophe.Status.AUTHENTICATING, null); |
---|
2930 | this._sasl_success_handler = this._addSysHandler( |
---|
2931 | this._sasl_success_cb.bind(this), null, |
---|
2932 | "success", null, null); |
---|
2933 | this._sasl_failure_handler = this._addSysHandler( |
---|
2934 | this._sasl_failure_cb.bind(this), null, |
---|
2935 | "failure", null, null); |
---|
2936 | |
---|
2937 | this.send($build("auth", { |
---|
2938 | xmlns: Strophe.NS.SASL, |
---|
2939 | mechanism: "ANONYMOUS" |
---|
2940 | }).tree()); |
---|
2941 | } else if (Strophe.getNodeFromJid(this.jid) === null) { |
---|
2942 | // we don't have a node, which is required for non-anonymous |
---|
2943 | // client connections |
---|
2944 | this._changeConnectStatus(Strophe.Status.CONNFAIL, |
---|
2945 | 'x-strophe-bad-non-anon-jid'); |
---|
2946 | this.disconnect(); |
---|
2947 | } else if (do_sasl_digest_md5) { |
---|
2948 | this._changeConnectStatus(Strophe.Status.AUTHENTICATING, null); |
---|
2949 | this._sasl_challenge_handler = this._addSysHandler( |
---|
2950 | this._sasl_challenge1_cb.bind(this), null, |
---|
2951 | "challenge", null, null); |
---|
2952 | this._sasl_failure_handler = this._addSysHandler( |
---|
2953 | this._sasl_failure_cb.bind(this), null, |
---|
2954 | "failure", null, null); |
---|
2955 | |
---|
2956 | this.send($build("auth", { |
---|
2957 | xmlns: Strophe.NS.SASL, |
---|
2958 | mechanism: "DIGEST-MD5" |
---|
2959 | }).tree()); |
---|
2960 | } else if (do_sasl_plain) { |
---|
2961 | // Build the plain auth string (barejid null |
---|
2962 | // username null password) and base 64 encoded. |
---|
2963 | auth_str = Strophe.getBareJidFromJid(this.jid); |
---|
2964 | auth_str = auth_str + "\u0000"; |
---|
2965 | auth_str = auth_str + Strophe.getNodeFromJid(this.jid); |
---|
2966 | auth_str = auth_str + "\u0000"; |
---|
2967 | auth_str = auth_str + this.pass; |
---|
2968 | |
---|
2969 | this._changeConnectStatus(Strophe.Status.AUTHENTICATING, null); |
---|
2970 | this._sasl_success_handler = this._addSysHandler( |
---|
2971 | this._sasl_success_cb.bind(this), null, |
---|
2972 | "success", null, null); |
---|
2973 | this._sasl_failure_handler = this._addSysHandler( |
---|
2974 | this._sasl_failure_cb.bind(this), null, |
---|
2975 | "failure", null, null); |
---|
2976 | |
---|
2977 | hashed_auth_str = Base64.encode(auth_str); |
---|
2978 | this.send($build("auth", { |
---|
2979 | xmlns: Strophe.NS.SASL, |
---|
2980 | mechanism: "PLAIN" |
---|
2981 | }).t(hashed_auth_str).tree()); |
---|
2982 | } else { |
---|
2983 | this._changeConnectStatus(Strophe.Status.AUTHENTICATING, null); |
---|
2984 | this._addSysHandler(this._auth1_cb.bind(this), null, null, |
---|
2985 | null, "_auth_1"); |
---|
2986 | |
---|
2987 | this.send($iq({ |
---|
2988 | type: "get", |
---|
2989 | to: this.domain, |
---|
2990 | id: "_auth_1" |
---|
2991 | }).c("query", { |
---|
2992 | xmlns: Strophe.NS.AUTH |
---|
2993 | }).c("username", {}).t(Strophe.getNodeFromJid(this.jid)).tree()); |
---|
2994 | } |
---|
2995 | }, |
---|
2996 | |
---|
2997 | /** PrivateFunction: _sasl_challenge1_cb |
---|
2998 | * _Private_ handler for DIGEST-MD5 SASL authentication. |
---|
2999 | * |
---|
3000 | * Parameters: |
---|
3001 | * (XMLElement) elem - The challenge stanza. |
---|
3002 | * |
---|
3003 | * Returns: |
---|
3004 | * false to remove the handler. |
---|
3005 | */ |
---|
3006 | _sasl_challenge1_cb: function (elem) |
---|
3007 | { |
---|
3008 | var attribMatch = /([a-z]+)=("[^"]+"|[^,"]+)(?:,|$)/; |
---|
3009 | |
---|
3010 | var challenge = Base64.decode(Strophe.getText(elem)); |
---|
3011 | var cnonce = MD5.hexdigest(Math.random() * 1234567890); |
---|
3012 | var realm = ""; |
---|
3013 | var host = null; |
---|
3014 | var nonce = ""; |
---|
3015 | var qop = ""; |
---|
3016 | var matches; |
---|
3017 | |
---|
3018 | // remove unneeded handlers |
---|
3019 | this.deleteHandler(this._sasl_failure_handler); |
---|
3020 | |
---|
3021 | while (challenge.match(attribMatch)) { |
---|
3022 | matches = challenge.match(attribMatch); |
---|
3023 | challenge = challenge.replace(matches[0], ""); |
---|
3024 | matches[2] = matches[2].replace(/^"(.+)"$/, "$1"); |
---|
3025 | switch (matches[1]) { |
---|
3026 | case "realm": |
---|
3027 | realm = matches[2]; |
---|
3028 | break; |
---|
3029 | case "nonce": |
---|
3030 | nonce = matches[2]; |
---|
3031 | break; |
---|
3032 | case "qop": |
---|
3033 | qop = matches[2]; |
---|
3034 | break; |
---|
3035 | case "host": |
---|
3036 | host = matches[2]; |
---|
3037 | break; |
---|
3038 | } |
---|
3039 | } |
---|
3040 | |
---|
3041 | var digest_uri = "xmpp/" + this.domain; |
---|
3042 | if (host !== null) { |
---|
3043 | digest_uri = digest_uri + "/" + host; |
---|
3044 | } |
---|
3045 | |
---|
3046 | var A1 = MD5.hash(Strophe.getNodeFromJid(this.jid) + |
---|
3047 | ":" + realm + ":" + this.pass) + |
---|
3048 | ":" + nonce + ":" + cnonce; |
---|
3049 | var A2 = 'AUTHENTICATE:' + digest_uri; |
---|
3050 | |
---|
3051 | var responseText = ""; |
---|
3052 | responseText += 'username=' + |
---|
3053 | this._quote(Strophe.getNodeFromJid(this.jid)) + ','; |
---|
3054 | responseText += 'realm=' + this._quote(realm) + ','; |
---|
3055 | responseText += 'nonce=' + this._quote(nonce) + ','; |
---|
3056 | responseText += 'cnonce=' + this._quote(cnonce) + ','; |
---|
3057 | responseText += 'nc="00000001",'; |
---|
3058 | responseText += 'qop="auth",'; |
---|
3059 | responseText += 'digest-uri=' + this._quote(digest_uri) + ','; |
---|
3060 | responseText += 'response=' + this._quote( |
---|
3061 | MD5.hexdigest(MD5.hexdigest(A1) + ":" + |
---|
3062 | nonce + ":00000001:" + |
---|
3063 | cnonce + ":auth:" + |
---|
3064 | MD5.hexdigest(A2))) + ','; |
---|
3065 | responseText += 'charset="utf-8"'; |
---|
3066 | |
---|
3067 | this._sasl_challenge_handler = this._addSysHandler( |
---|
3068 | this._sasl_challenge2_cb.bind(this), null, |
---|
3069 | "challenge", null, null); |
---|
3070 | this._sasl_success_handler = this._addSysHandler( |
---|
3071 | this._sasl_success_cb.bind(this), null, |
---|
3072 | "success", null, null); |
---|
3073 | this._sasl_failure_handler = this._addSysHandler( |
---|
3074 | this._sasl_failure_cb.bind(this), null, |
---|
3075 | "failure", null, null); |
---|
3076 | |
---|
3077 | this.send($build('response', { |
---|
3078 | xmlns: Strophe.NS.SASL |
---|
3079 | }).t(Base64.encode(responseText)).tree()); |
---|
3080 | |
---|
3081 | return false; |
---|
3082 | }, |
---|
3083 | |
---|
3084 | /** PrivateFunction: _quote |
---|
3085 | * _Private_ utility function to backslash escape and quote strings. |
---|
3086 | * |
---|
3087 | * Parameters: |
---|
3088 | * (String) str - The string to be quoted. |
---|
3089 | * |
---|
3090 | * Returns: |
---|
3091 | * quoted string |
---|
3092 | */ |
---|
3093 | _quote: function (str) |
---|
3094 | { |
---|
3095 | return '"' + str.replace(/\\/g, "\\\\").replace(/"/g, '\\"') + '"'; |
---|
3096 | //" end string workaround for emacs |
---|
3097 | }, |
---|
3098 | |
---|
3099 | |
---|
3100 | /** PrivateFunction: _sasl_challenge2_cb |
---|
3101 | * _Private_ handler for second step of DIGEST-MD5 SASL authentication. |
---|
3102 | * |
---|
3103 | * Parameters: |
---|
3104 | * (XMLElement) elem - The challenge stanza. |
---|
3105 | * |
---|
3106 | * Returns: |
---|
3107 | * false to remove the handler. |
---|
3108 | */ |
---|
3109 | _sasl_challenge2_cb: function (elem) |
---|
3110 | { |
---|
3111 | // remove unneeded handlers |
---|
3112 | this.deleteHandler(this._sasl_success_handler); |
---|
3113 | this.deleteHandler(this._sasl_failure_handler); |
---|
3114 | |
---|
3115 | this._sasl_success_handler = this._addSysHandler( |
---|
3116 | this._sasl_success_cb.bind(this), null, |
---|
3117 | "success", null, null); |
---|
3118 | this._sasl_failure_handler = this._addSysHandler( |
---|
3119 | this._sasl_failure_cb.bind(this), null, |
---|
3120 | "failure", null, null); |
---|
3121 | this.send($build('response', {xmlns: Strophe.NS.SASL}).tree()); |
---|
3122 | return false; |
---|
3123 | }, |
---|
3124 | |
---|
3125 | /** PrivateFunction: _auth1_cb |
---|
3126 | * _Private_ handler for legacy authentication. |
---|
3127 | * |
---|
3128 | * This handler is called in response to the initial <iq type='get'/> |
---|
3129 | * for legacy authentication. It builds an authentication <iq/> and |
---|
3130 | * sends it, creating a handler (calling back to _auth2_cb()) to |
---|
3131 | * handle the result |
---|
3132 | * |
---|
3133 | * Parameters: |
---|
3134 | * (XMLElement) elem - The stanza that triggered the callback. |
---|
3135 | * |
---|
3136 | * Returns: |
---|
3137 | * false to remove the handler. |
---|
3138 | */ |
---|
3139 | _auth1_cb: function (elem) |
---|
3140 | { |
---|
3141 | // build plaintext auth iq |
---|
3142 | var iq = $iq({type: "set", id: "_auth_2"}) |
---|
3143 | .c('query', {xmlns: Strophe.NS.AUTH}) |
---|
3144 | .c('username', {}).t(Strophe.getNodeFromJid(this.jid)) |
---|
3145 | .up() |
---|
3146 | .c('password').t(this.pass); |
---|
3147 | |
---|
3148 | if (!Strophe.getResourceFromJid(this.jid)) { |
---|
3149 | // since the user has not supplied a resource, we pick |
---|
3150 | // a default one here. unlike other auth methods, the server |
---|
3151 | // cannot do this for us. |
---|
3152 | this.jid = Strophe.getBareJidFromJid(this.jid) + '/strophe'; |
---|
3153 | } |
---|
3154 | iq.up().c('resource', {}).t(Strophe.getResourceFromJid(this.jid)); |
---|
3155 | |
---|
3156 | this._addSysHandler(this._auth2_cb.bind(this), null, |
---|
3157 | null, null, "_auth_2"); |
---|
3158 | |
---|
3159 | this.send(iq.tree()); |
---|
3160 | |
---|
3161 | return false; |
---|
3162 | }, |
---|
3163 | |
---|
3164 | /** PrivateFunction: _sasl_success_cb |
---|
3165 | * _Private_ handler for succesful SASL authentication. |
---|
3166 | * |
---|
3167 | * Parameters: |
---|
3168 | * (XMLElement) elem - The matching stanza. |
---|
3169 | * |
---|
3170 | * Returns: |
---|
3171 | * false to remove the handler. |
---|
3172 | */ |
---|
3173 | _sasl_success_cb: function (elem) |
---|
3174 | { |
---|
3175 | Strophe.info("SASL authentication succeeded."); |
---|
3176 | |
---|
3177 | // remove old handlers |
---|
3178 | this.deleteHandler(this._sasl_failure_handler); |
---|
3179 | this._sasl_failure_handler = null; |
---|
3180 | if (this._sasl_challenge_handler) { |
---|
3181 | this.deleteHandler(this._sasl_challenge_handler); |
---|
3182 | this._sasl_challenge_handler = null; |
---|
3183 | } |
---|
3184 | |
---|
3185 | this._addSysHandler(this._sasl_auth1_cb.bind(this), null, |
---|
3186 | "stream:features", null, null); |
---|
3187 | |
---|
3188 | // we must send an xmpp:restart now |
---|
3189 | this._sendRestart(); |
---|
3190 | |
---|
3191 | return false; |
---|
3192 | }, |
---|
3193 | |
---|
3194 | /** PrivateFunction: _sasl_auth1_cb |
---|
3195 | * _Private_ handler to start stream binding. |
---|
3196 | * |
---|
3197 | * Parameters: |
---|
3198 | * (XMLElement) elem - The matching stanza. |
---|
3199 | * |
---|
3200 | * Returns: |
---|
3201 | * false to remove the handler. |
---|
3202 | */ |
---|
3203 | _sasl_auth1_cb: function (elem) |
---|
3204 | { |
---|
3205 | var i, child; |
---|
3206 | |
---|
3207 | for (i = 0; i < elem.childNodes.length; i++) { |
---|
3208 | child = elem.childNodes[i]; |
---|
3209 | if (child.nodeName == 'bind') { |
---|
3210 | this.do_bind = true; |
---|
3211 | } |
---|
3212 | |
---|
3213 | if (child.nodeName == 'session') { |
---|
3214 | this.do_session = true; |
---|
3215 | } |
---|
3216 | } |
---|
3217 | |
---|
3218 | if (!this.do_bind) { |
---|
3219 | this._changeConnectStatus(Strophe.Status.AUTHFAIL, null); |
---|
3220 | return false; |
---|
3221 | } else { |
---|
3222 | this._addSysHandler(this._sasl_bind_cb.bind(this), null, null, |
---|
3223 | null, "_bind_auth_2"); |
---|
3224 | |
---|
3225 | var resource = Strophe.getResourceFromJid(this.jid); |
---|
3226 | if (resource) { |
---|
3227 | this.send($iq({type: "set", id: "_bind_auth_2"}) |
---|
3228 | .c('bind', {xmlns: Strophe.NS.BIND}) |
---|
3229 | .c('resource', {}).t(resource).tree()); |
---|
3230 | } else { |
---|
3231 | this.send($iq({type: "set", id: "_bind_auth_2"}) |
---|
3232 | .c('bind', {xmlns: Strophe.NS.BIND}) |
---|
3233 | .tree()); |
---|
3234 | } |
---|
3235 | } |
---|
3236 | |
---|
3237 | return false; |
---|
3238 | }, |
---|
3239 | |
---|
3240 | /** PrivateFunction: _sasl_bind_cb |
---|
3241 | * _Private_ handler for binding result and session start. |
---|
3242 | * |
---|
3243 | * Parameters: |
---|
3244 | * (XMLElement) elem - The matching stanza. |
---|
3245 | * |
---|
3246 | * Returns: |
---|
3247 | * false to remove the handler. |
---|
3248 | */ |
---|
3249 | _sasl_bind_cb: function (elem) |
---|
3250 | { |
---|
3251 | if (elem.getAttribute("type") == "error") { |
---|
3252 | Strophe.info("SASL binding failed."); |
---|
3253 | this._changeConnectStatus(Strophe.Status.AUTHFAIL, null); |
---|
3254 | return false; |
---|
3255 | } |
---|
3256 | |
---|
3257 | // TODO - need to grab errors |
---|
3258 | var bind = elem.getElementsByTagName("bind"); |
---|
3259 | var jidNode; |
---|
3260 | if (bind.length > 0) { |
---|
3261 | // Grab jid |
---|
3262 | jidNode = bind[0].getElementsByTagName("jid"); |
---|
3263 | if (jidNode.length > 0) { |
---|
3264 | this.jid = Strophe.getText(jidNode[0]); |
---|
3265 | |
---|
3266 | if (this.do_session) { |
---|
3267 | this._addSysHandler(this._sasl_session_cb.bind(this), |
---|
3268 | null, null, null, "_session_auth_2"); |
---|
3269 | |
---|
3270 | this.send($iq({type: "set", id: "_session_auth_2"}) |
---|
3271 | .c('session', {xmlns: Strophe.NS.SESSION}) |
---|
3272 | .tree()); |
---|
3273 | } else { |
---|
3274 | this.authenticated = true; |
---|
3275 | this._changeConnectStatus(Strophe.Status.CONNECTED, null); |
---|
3276 | } |
---|
3277 | } |
---|
3278 | } else { |
---|
3279 | Strophe.info("SASL binding failed."); |
---|
3280 | this._changeConnectStatus(Strophe.Status.AUTHFAIL, null); |
---|
3281 | return false; |
---|
3282 | } |
---|
3283 | }, |
---|
3284 | |
---|
3285 | /** PrivateFunction: _sasl_session_cb |
---|
3286 | * _Private_ handler to finish successful SASL connection. |
---|
3287 | * |
---|
3288 | * This sets Connection.authenticated to true on success, which |
---|
3289 | * starts the processing of user handlers. |
---|
3290 | * |
---|
3291 | * Parameters: |
---|
3292 | * (XMLElement) elem - The matching stanza. |
---|
3293 | * |
---|
3294 | * Returns: |
---|
3295 | * false to remove the handler. |
---|
3296 | */ |
---|
3297 | _sasl_session_cb: function (elem) |
---|
3298 | { |
---|
3299 | if (elem.getAttribute("type") == "result") { |
---|
3300 | this.authenticated = true; |
---|
3301 | this._changeConnectStatus(Strophe.Status.CONNECTED, null); |
---|
3302 | } else if (elem.getAttribute("type") == "error") { |
---|
3303 | Strophe.info("Session creation failed."); |
---|
3304 | this._changeConnectStatus(Strophe.Status.AUTHFAIL, null); |
---|
3305 | return false; |
---|
3306 | } |
---|
3307 | |
---|
3308 | return false; |
---|
3309 | }, |
---|
3310 | |
---|
3311 | /** PrivateFunction: _sasl_failure_cb |
---|
3312 | * _Private_ handler for SASL authentication failure. |
---|
3313 | * |
---|
3314 | * Parameters: |
---|
3315 | * (XMLElement) elem - The matching stanza. |
---|
3316 | * |
---|
3317 | * Returns: |
---|
3318 | * false to remove the handler. |
---|
3319 | */ |
---|
3320 | _sasl_failure_cb: function (elem) |
---|
3321 | { |
---|
3322 | // delete unneeded handlers |
---|
3323 | if (this._sasl_success_handler) { |
---|
3324 | this.deleteHandler(this._sasl_success_handler); |
---|
3325 | this._sasl_success_handler = null; |
---|
3326 | } |
---|
3327 | if (this._sasl_challenge_handler) { |
---|
3328 | this.deleteHandler(this._sasl_challenge_handler); |
---|
3329 | this._sasl_challenge_handler = null; |
---|
3330 | } |
---|
3331 | |
---|
3332 | this._changeConnectStatus(Strophe.Status.AUTHFAIL, null); |
---|
3333 | return false; |
---|
3334 | }, |
---|
3335 | |
---|
3336 | /** PrivateFunction: _auth2_cb |
---|
3337 | * _Private_ handler to finish legacy authentication. |
---|
3338 | * |
---|
3339 | * This handler is called when the result from the jabber:iq:auth |
---|
3340 | * <iq/> stanza is returned. |
---|
3341 | * |
---|
3342 | * Parameters: |
---|
3343 | * (XMLElement) elem - The stanza that triggered the callback. |
---|
3344 | * |
---|
3345 | * Returns: |
---|
3346 | * false to remove the handler. |
---|
3347 | */ |
---|
3348 | _auth2_cb: function (elem) |
---|
3349 | { |
---|
3350 | if (elem.getAttribute("type") == "result") { |
---|
3351 | this.authenticated = true; |
---|
3352 | this._changeConnectStatus(Strophe.Status.CONNECTED, null); |
---|
3353 | } else if (elem.getAttribute("type") == "error") { |
---|
3354 | this._changeConnectStatus(Strophe.Status.AUTHFAIL, null); |
---|
3355 | this.disconnect(); |
---|
3356 | } |
---|
3357 | |
---|
3358 | return false; |
---|
3359 | }, |
---|
3360 | |
---|
3361 | /** PrivateFunction: _addSysTimedHandler |
---|
3362 | * _Private_ function to add a system level timed handler. |
---|
3363 | * |
---|
3364 | * This function is used to add a Strophe.TimedHandler for the |
---|
3365 | * library code. System timed handlers are allowed to run before |
---|
3366 | * authentication is complete. |
---|
3367 | * |
---|
3368 | * Parameters: |
---|
3369 | * (Integer) period - The period of the handler. |
---|
3370 | * (Function) handler - The callback function. |
---|
3371 | */ |
---|
3372 | _addSysTimedHandler: function (period, handler) |
---|
3373 | { |
---|
3374 | var thand = new Strophe.TimedHandler(period, handler); |
---|
3375 | thand.user = false; |
---|
3376 | this.addTimeds.push(thand); |
---|
3377 | return thand; |
---|
3378 | }, |
---|
3379 | |
---|
3380 | /** PrivateFunction: _addSysHandler |
---|
3381 | * _Private_ function to add a system level stanza handler. |
---|
3382 | * |
---|
3383 | * This function is used to add a Strophe.Handler for the |
---|
3384 | * library code. System stanza handlers are allowed to run before |
---|
3385 | * authentication is complete. |
---|
3386 | * |
---|
3387 | * Parameters: |
---|
3388 | * (Function) handler - The callback function. |
---|
3389 | * (String) ns - The namespace to match. |
---|
3390 | * (String) name - The stanza name to match. |
---|
3391 | * (String) type - The stanza type attribute to match. |
---|
3392 | * (String) id - The stanza id attribute to match. |
---|
3393 | */ |
---|
3394 | _addSysHandler: function (handler, ns, name, type, id) |
---|
3395 | { |
---|
3396 | var hand = new Strophe.Handler(handler, ns, name, type, id); |
---|
3397 | hand.user = false; |
---|
3398 | this.addHandlers.push(hand); |
---|
3399 | return hand; |
---|
3400 | }, |
---|
3401 | |
---|
3402 | /** PrivateFunction: _onDisconnectTimeout |
---|
3403 | * _Private_ timeout handler for handling non-graceful disconnection. |
---|
3404 | * |
---|
3405 | * If the graceful disconnect process does not complete within the |
---|
3406 | * time allotted, this handler finishes the disconnect anyway. |
---|
3407 | * |
---|
3408 | * Returns: |
---|
3409 | * false to remove the handler. |
---|
3410 | */ |
---|
3411 | _onDisconnectTimeout: function () |
---|
3412 | { |
---|
3413 | Strophe.info("_onDisconnectTimeout was called"); |
---|
3414 | |
---|
3415 | // cancel all remaining requests and clear the queue |
---|
3416 | var req; |
---|
3417 | while (this._requests.length > 0) { |
---|
3418 | req = this._requests.pop(); |
---|
3419 | req.abort = true; |
---|
3420 | req.xhr.abort(); |
---|
3421 | // jslint complains, but this is fine. setting to empty func |
---|
3422 | // is necessary for IE6 |
---|
3423 | req.xhr.onreadystatechange = function () {}; |
---|
3424 | } |
---|
3425 | |
---|
3426 | // actually disconnect |
---|
3427 | this._doDisconnect(); |
---|
3428 | |
---|
3429 | return false; |
---|
3430 | }, |
---|
3431 | |
---|
3432 | /** PrivateFunction: _onIdle |
---|
3433 | * _Private_ handler to process events during idle cycle. |
---|
3434 | * |
---|
3435 | * This handler is called every 100ms to fire timed handlers that |
---|
3436 | * are ready and keep poll requests going. |
---|
3437 | */ |
---|
3438 | _onIdle: function () |
---|
3439 | { |
---|
3440 | var i, thand, since, newList; |
---|
3441 | |
---|
3442 | // remove timed handlers that have been scheduled for deletion |
---|
3443 | while (this.removeTimeds.length > 0) { |
---|
3444 | thand = this.removeTimeds.pop(); |
---|
3445 | i = this.timedHandlers.indexOf(thand); |
---|
3446 | if (i >= 0) { |
---|
3447 | this.timedHandlers.splice(i, 1); |
---|
3448 | } |
---|
3449 | } |
---|
3450 | |
---|
3451 | // add timed handlers scheduled for addition |
---|
3452 | while (this.addTimeds.length > 0) { |
---|
3453 | this.timedHandlers.push(this.addTimeds.pop()); |
---|
3454 | } |
---|
3455 | |
---|
3456 | // call ready timed handlers |
---|
3457 | var now = new Date().getTime(); |
---|
3458 | newList = []; |
---|
3459 | for (i = 0; i < this.timedHandlers.length; i++) { |
---|
3460 | thand = this.timedHandlers[i]; |
---|
3461 | if (this.authenticated || !thand.user) { |
---|
3462 | since = thand.lastCalled + thand.period; |
---|
3463 | if (since - now <= 0) { |
---|
3464 | if (thand.run()) { |
---|
3465 | newList.push(thand); |
---|
3466 | } |
---|
3467 | } else { |
---|
3468 | newList.push(thand); |
---|
3469 | } |
---|
3470 | } |
---|
3471 | } |
---|
3472 | this.timedHandlers = newList; |
---|
3473 | |
---|
3474 | var body, time_elapsed; |
---|
3475 | |
---|
3476 | // if no requests are in progress, poll |
---|
3477 | if (this.authenticated && this._requests.length === 0 && |
---|
3478 | this._data.length === 0 && !this.disconnecting) { |
---|
3479 | Strophe.info("no requests during idle cycle, sending " + |
---|
3480 | "blank request"); |
---|
3481 | this._data.push(null); |
---|
3482 | } |
---|
3483 | |
---|
3484 | if (this._requests.length < 2 && this._data.length > 0 && |
---|
3485 | !this.paused) { |
---|
3486 | body = this._buildBody(); |
---|
3487 | for (i = 0; i < this._data.length; i++) { |
---|
3488 | if (this._data[i] !== null) { |
---|
3489 | if (this._data[i] === "restart") { |
---|
3490 | body.attrs({ |
---|
3491 | to: this.domain, |
---|
3492 | "xml:lang": "en", |
---|
3493 | "xmpp:restart": "true", |
---|
3494 | "xmlns:xmpp": Strophe.NS.BOSH |
---|
3495 | }); |
---|
3496 | } else { |
---|
3497 | body.cnode(this._data[i]).up(); |
---|
3498 | } |
---|
3499 | } |
---|
3500 | } |
---|
3501 | delete this._data; |
---|
3502 | this._data = []; |
---|
3503 | this._requests.push( |
---|
3504 | new Strophe.Request(body.tree(), |
---|
3505 | this._onRequestStateChange.bind(this) |
---|
3506 | .prependArg(this._dataRecv.bind(this)), |
---|
3507 | body.tree().getAttribute("rid"))); |
---|
3508 | this._processRequest(this._requests.length - 1); |
---|
3509 | } |
---|
3510 | |
---|
3511 | if (this._requests.length > 0) { |
---|
3512 | time_elapsed = this._requests[0].age(); |
---|
3513 | if (this._requests[0].dead !== null) { |
---|
3514 | if (this._requests[0].timeDead() > |
---|
3515 | Math.floor(Strophe.SECONDARY_TIMEOUT * this.wait)) { |
---|
3516 | this._throttledRequestHandler(); |
---|
3517 | } |
---|
3518 | } |
---|
3519 | |
---|
3520 | if (time_elapsed > Math.floor(Strophe.TIMEOUT * this.wait)) { |
---|
3521 | Strophe.warn("Request " + |
---|
3522 | this._requests[0].id + |
---|
3523 | " timed out, over " + Math.floor(Strophe.TIMEOUT * this.wait) + |
---|
3524 | " seconds since last activity"); |
---|
3525 | this._throttledRequestHandler(); |
---|
3526 | } |
---|
3527 | } |
---|
3528 | |
---|
3529 | // reactivate the timer |
---|
3530 | clearTimeout(this._idleTimeout); |
---|
3531 | this._idleTimeout = setTimeout(this._onIdle.bind(this), 100); |
---|
3532 | } |
---|
3533 | }; |
---|
3534 | |
---|
3535 | if (callback) { |
---|
3536 | callback(Strophe, $build, $msg, $iq, $pres); |
---|
3537 | } |
---|
3538 | |
---|
3539 | })(function () { |
---|
3540 | window.Strophe = arguments[0]; |
---|
3541 | window.$build = arguments[1]; |
---|
3542 | window.$msg = arguments[2]; |
---|
3543 | window.$iq = arguments[3]; |
---|
3544 | window.$pres = arguments[4]; |
---|
3545 | }); |
---|