1 | <?php |
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2 | /* |
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3 | +-------------------------------------------------------------------------+ |
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4 | | | |
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5 | | @FILE: Jabber.abstract.php | |
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6 | | @ABSTRACT: Jabber | |
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7 | | @EXTENDS: Socket (Socket.class.php) | |
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8 | | | |
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9 | | @DATE: Wed May,16 2007 08:18:59 | |
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10 | | @LAST_CHANGE: Wed May,16 2007 09:03:28 | |
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11 | | | |
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12 | | @AUTHOR: [NUTS] Rodrigo Souza - rodsouza@celepar.pr.gov.br | |
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13 | | | |
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14 | | @BRIEF: Abstract class for connect with any Jabber server | |
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15 | | | |
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16 | +-------------------------------------------------------------------------+ |
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17 | */ |
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18 | |
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19 | require_once 'Socket.abstract.php'; |
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20 | |
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21 | abstract class Jabber extends Socket |
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22 | { |
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23 | const J_FILE = '/var/log/expresso/Jabber.log'; |
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24 | const J_ALL = false; |
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25 | const J_ERROR = true; |
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26 | const J_WARNING = true; |
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27 | const J_NOTICE = true; |
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28 | |
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29 | const ALL = 'ALL'; |
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30 | const ERROR = 'ERROR'; |
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31 | const WARNING = 'WARNING'; |
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32 | const NOTICE = 'NOTICE'; |
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33 | |
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34 | private final function _connect( $pUser = false, $pPassword = false ) |
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35 | { |
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36 | try |
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37 | { |
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38 | if ( !preg_match('/^(.+)@(.+)\/(.+):(\d+)$/',$pUser, $matches) ) |
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39 | throw new Exception('[connect] #1 ' . $pUser . ' must be [USER]@[DOMAIN]/[RESOURCE]:[PORT] and [PORT] is integer. File: ' . __FILE__ . ' :: ' . __LINE__); |
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40 | |
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41 | list($subject, $USER, $SERVER, $RESOURCE, $PORT) = $matches; |
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42 | |
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43 | if ( !($socket = $this->open('tcp://' . $SERVER . ':' . $PORT, 1, 1)) ) |
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44 | throw new Exception('[connect] #2 can\'t access tcp://' . $SERVER . ':' . $PORT . '. File: ' . __FILE__ . ' :: ' . __LINE__); |
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45 | |
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46 | $this->_socket = $socket; |
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47 | |
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48 | $xml = "<?xml version='1.0' encoding='UTF-8'?>"; |
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49 | $xml .= "<stream:stream to='" . $SERVER . "' xmlns='jabber:client' "; |
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50 | $xml .= "xmlns:stream='http://etherx.jabber.org/streams' version='1.0'>"; |
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51 | |
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52 | if ( $this->write($xml) === false ) |
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53 | throw new Exception('[connect] #3 it isn\'t possible write in the socket ' . $socket . '. File: ' . __FILE__ . ' :: ' . __LINE__); |
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54 | |
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55 | $this->_server = $SERVER; |
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56 | $this->_username = $USER; |
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57 | $this->_password = $pPassword; |
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58 | $this->_resource = $RESOURCE; |
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59 | } |
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60 | catch(Exception $e) |
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61 | { |
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62 | $this->writeLog('ERROR', $e->getMessage()); |
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63 | return false; |
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64 | } |
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65 | } |
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66 | |
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67 | protected function connect( $pUser = false, $pPassword = false ) |
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68 | { |
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69 | try |
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70 | { |
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71 | $this->_connect($pUser, $pPassword); |
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72 | |
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73 | if ( ($xml = $this->read()) === false ) |
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74 | throw new Exception('[connect] #1 it isn\'t possible read the socket. File: ' . __FILE__ . ' :: ' . __LINE__); |
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75 | |
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76 | if ( preg_match('/(<starttls .*<required\/><\/starttls>)/', $xml, $matches) ) |
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77 | { |
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78 | if ( !$this->starttls() ) |
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79 | throw new Exception('[connect] #2 it isn\'t possible start tls. File: ' . __FILE__ . ' :: ' . __LINE__); |
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80 | |
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81 | # $this->writeLog('NOTICE', 'Connected TLS'); |
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82 | } |
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83 | else |
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84 | { |
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85 | if ( !$this->_plain() ) |
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86 | throw new Exception('[connect] #3 it isn\'t possible carry out the verification. File: ' . __FILE__ . ' :: ' . __LINE__); |
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87 | } |
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88 | |
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89 | return true; |
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90 | } |
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91 | catch(Exception $e) |
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92 | { |
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93 | $this->writeLog('ERROR', $e->getMessage()); |
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94 | $this->_disconnect(); |
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95 | return false; |
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96 | } |
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97 | } |
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98 | |
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99 | protected final function _disconnect() |
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100 | { |
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101 | try |
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102 | { |
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103 | $xml = "</stream:stream>"; |
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104 | |
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105 | if ( $this->write($xml) === false ) |
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106 | throw new Exception('[disconnect] #1 Cannot write to socket (' . $this->_socket . '). File: ' . __FILE__ . ' :: ' . __LINE__); |
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107 | |
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108 | if ( ($xml = $this->read()) === false ) |
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109 | throw new Exception('[disconnect] #2 it isn\'t possible read the socket. File: ' . __FILE__ . ' :: ' . __LINE__); |
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110 | } |
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111 | catch(Exception $e) |
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112 | { |
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113 | $this->writeLog('ERROR', $e->getMessage()); |
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114 | return false; |
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115 | } |
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116 | } |
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117 | |
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118 | private final function starttls() |
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119 | { |
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120 | try |
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121 | { |
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122 | $xml = "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>"; |
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123 | if ( $this->write($xml) === false ) |
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124 | throw new Exception('[starttls] #1 Cannot write to socket (' . $this->_socket . '). File: ' . __FILE__ . ' :: ' . __LINE__); |
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125 | |
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126 | if ( ($xml = $this->read()) === false ) |
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127 | throw new Exception('[starttls] #2 it isn\'t possible read the socket. File: ' . __FILE__ . ' :: ' . __LINE__); |
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128 | |
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129 | if ( !preg_match('/<proceed.*\/>/', $xml, $matches) ) |
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130 | throw new Exception('[starttls] #3 can\'t start tls in the socket ' .$this->_socket . '. File: ' . __FILE__ . ' :: ' . __LINE__); |
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131 | |
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132 | stream_socket_enable_crypto($this->_socket, TRUE, STREAM_CRYPTO_METHOD_TLS_CLIENT); |
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133 | |
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134 | $xml = "<?xml version='1.0' encoding='UTF-8'?>"; |
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135 | $xml .= "<stream:stream to='" . $this->_server . "' xmlns='jabber:client' "; |
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136 | $xml .= "xmlns:stream='http://etherx.jabber.org/streams' version='1.0'>"; |
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137 | if ( $this->write($xml) === false ) |
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138 | throw new Exception('[starttls] #4 Cannot write to socket (' . $this->_socket . '). File: ' . __FILE__ . ' :: ' . __LINE__); |
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139 | |
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140 | usleep(90000); |
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141 | $this->blocking($this->_socket, 0); |
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142 | |
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143 | if ( ($xml = $this->read()) === false ) |
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144 | throw new Exception('[starttls] #5 it isn\'t possible read the socket. File: ' . __FILE__ . ' :: ' . __LINE__); |
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145 | |
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146 | if ( !$this->_plain() ) |
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147 | throw new Exception('[starttls] #6 it isn\'t possible carry out the verification. File: ' . __FILE__ . ' :: ' . __LINE__); |
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148 | |
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149 | return true; |
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150 | } |
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151 | catch(Exception $e) |
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152 | { |
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153 | $this->writeLog('ERROR', $e->getMessage()); |
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154 | return false; |
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155 | } |
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156 | } |
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157 | |
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158 | private final function _plain() |
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159 | { |
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160 | try |
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161 | { |
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162 | $this->blocking($this->_socket, 0); |
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163 | |
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164 | if ( ($xml = $this->read()) === false ) |
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165 | throw new Exception('[_plain] #1 it isn\'t possible read the socket. File: ' . __FILE__ . ' :: ' . __LINE__); |
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166 | |
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167 | $xml = "<username>" . $this->_username . "</username>"; |
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168 | $xml .= "<password>" . $this->_password . "</password>"; |
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169 | $xml .= "<resource>" . $this->_resource . "</resource>"; |
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170 | |
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171 | unset($this->_password); |
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172 | |
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173 | if ( !$this->iq('set', 'auth_1', NULL, NULL, "jabber:iq:auth", $xml) ) |
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174 | throw new Exception('[_plain] #2 it isn\'t possible carry out the verification. File: ' . __FILE__ . ' :: ' . __LINE__); |
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175 | |
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176 | while ( !preg_match("/<iq xmlns='jabber:client' id='auth_1' type='(result|error)'/", ($readSocket = $this->read()), $matches) ) |
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177 | usleep(10000); |
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178 | |
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179 | if($matches[1] == "error") |
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180 | return false; |
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181 | |
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182 | if ( ($xml = $this->read()) === false ) |
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183 | throw new Exception('[_plain] #3 it isn\'t possible read the socket. File: ' . __FILE__ . ' :: ' . __LINE__); |
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184 | |
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185 | return true; |
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186 | } |
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187 | catch(Exception $e) |
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188 | { |
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189 | $this->writeLog('ERROR', $e->getMessage()); |
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190 | return false; |
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191 | } |
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192 | } |
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193 | |
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194 | private final function _iq($pType = false, $pId = false, $pTo = false, $pFrom = false, $pXmlns = false, $pLoad = false ) |
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195 | { |
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196 | $xml = "<iq type='" . $pType . "' id='" . $pId . "'"; |
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197 | $xml .= ( $pTo ) ? " to='" . $pTo . "'" : ""; |
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198 | $xml .= ( $pFrom ) ? " from='" . $pFrom . "'" : ""; |
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199 | |
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200 | if ( $pXmlns == "vcard-temp" ) |
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201 | { |
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202 | $xml .= ">"; |
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203 | $xml .= $pLoad; |
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204 | } |
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205 | else |
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206 | { |
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207 | $xml .= "><query xmlns='" . $pXmlns . "'"; |
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208 | $xml .= ( $pLoad ) ? ">" . $pLoad . "</query>" : "/>"; |
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209 | } |
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210 | |
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211 | $xml .= "</iq>"; |
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212 | |
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213 | return $xml; |
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214 | } |
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215 | |
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216 | protected final function iq($pType = false, $pId = false, $pTo = false, $pFrom = false, $pXmlns = false, $pLoad = false) |
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217 | { |
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218 | try |
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219 | { |
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220 | if ( !preg_match("/^(get|set|result|error)$/i", $pType, $matches) ) |
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221 | throw new Exception('[iq] #1 type must be GET, SET, RESULT or ERROR. File: ' . __FILE__ . ' :: ' . __LINE__); |
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222 | |
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223 | if ( $this->write($this->_iq($pType, $pId, $pTo, $pFrom, $pXmlns, $pLoad)) === false ) |
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224 | throw new Exception('[iq] #2 Cannot write to socket (' . $this->_socket . '). File: ' . __FILE__ . ' :: ' . __LINE__); |
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225 | else |
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226 | return true; |
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227 | } |
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228 | catch(Exception $e) |
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229 | { |
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230 | $this->writeLog('ERROR', $e->getMessage()); |
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231 | return false; |
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232 | } |
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233 | } |
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234 | |
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235 | protected final function presence($pType = false, $pTo = false, $pShow = false, $pStatus = false, $pPriority = false) |
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236 | { |
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237 | try |
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238 | { |
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239 | $xml = "<presence"; |
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240 | $xml .= ($pTo) ? " to='{$pTo}'" : ''; |
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241 | $xml .= ($pType) ? " type='{$pType}'" : ''; |
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242 | |
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243 | //$xml .= ($pStatus || $pShow || $pPriority) ? ">" : "/>"; |
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244 | if ( !($pStatus || $pShow || $pPriority) ) |
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245 | $xml .= "/>"; |
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246 | else |
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247 | { |
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248 | $xml .= ">"; |
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249 | $xml .= ($pStatus) ? "<status>" . $pStatus . "</status>" : ''; |
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250 | $xml .= ($pShow) ? "<show>" . $pShow . "</show>" : ''; |
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251 | $xml .= ($pPriority) ? "<priority>" . $pPriority . "</priority>" : ''; |
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252 | $xml .= ($pStatus || $pShow || $pPriority) ? "</presence>" : ''; |
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253 | } |
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254 | |
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255 | if ( $this->write($xml) === false ) |
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256 | throw new Exception('[presence] #1 it isn\'t possible send presence for ' . $this->_server . '. File: ' . __FILE__ . ' :: ' . __LINE__); |
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257 | |
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258 | return true; |
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259 | } |
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260 | catch(Exception $e) |
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261 | { |
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262 | $this->writeLog('ERROR', $e->getMessage()); |
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263 | return false; |
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264 | } |
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265 | } |
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266 | |
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267 | protected final function read() |
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268 | { |
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269 | $return = NULL; |
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270 | do |
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271 | { |
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272 | $line = NULL; |
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273 | $line = utf8_decode(parent::read($this->_socket, 4096)); |
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274 | |
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275 | if ( $line === false ) |
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276 | { |
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277 | $return = false; |
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278 | break; |
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279 | } |
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280 | |
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281 | if ( $line != NULL ) |
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282 | $return .= $line;// . "\n"; |
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283 | } |
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284 | while ( $line != NULL ); |
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285 | |
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286 | return $return; |
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287 | } |
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288 | |
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289 | protected final function write($pData = false) |
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290 | { |
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291 | if ( !$pData ) |
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292 | return false; |
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293 | |
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294 | return parent::write($this->_socket, utf8_encode($pData)); |
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295 | } |
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296 | |
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297 | protected final function writeLog($pType = false, $pLog = false) |
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298 | { |
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299 | if ( !defined('self::'.$pType) && !$pLog ) |
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300 | return false; |
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301 | |
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302 | if ( !(bool)constant('self::J_'.$pType) && !(bool)constant('self::J_ALL') ) |
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303 | return false; |
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304 | |
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305 | $log = date('m/d/Y H:i:s'); |
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306 | $log .= ' [' . constant('self::'.$pType) . '] :: '; |
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307 | $log .= $pLog . "\n"; |
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308 | if ( $fp = fopen (self::J_FILE, "a+") ) |
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309 | { |
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310 | fwrite($fp, $log); |
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311 | fclose($fp); |
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312 | } |
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313 | } |
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314 | } |
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315 | |
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316 | ?> |
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