1 | <?php |
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2 | |
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3 | //Conecta com o Servidor e o serviço Sieve; |
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4 | class SieveS{ |
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5 | |
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6 | var $host; |
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7 | var $port; |
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8 | var $user; |
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9 | var $pass; |
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10 | var $proxy; |
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11 | |
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12 | var $implementation; |
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13 | var $saslmethods; |
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14 | var $extensions; |
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15 | var $starttls_avail; |
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16 | var $socket; |
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17 | var $socket_timeout; |
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18 | |
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19 | var $scriptlist; |
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20 | var $activescript; |
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21 | var $errstr; |
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22 | var $errnum; |
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23 | var $ScriptS; |
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24 | |
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25 | function SieveS(){ |
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26 | |
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27 | $this->host = $_SESSION['phpgw_info']['expressomail']['email_server']['imapSieveServer']; |
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28 | $this->port = $_SESSION['phpgw_info']['expressomail']['email_server']['imapSievePort']; |
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29 | $this->user = $_SESSION['phpgw_info']['expressomail']['user']['account_lid']; |
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30 | $this->pass = $_SESSION['phpgw_info']['expressomail']['user']['passwd']; |
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31 | $this->proxy = ''; |
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32 | |
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33 | $this->socket_timeout = 5; |
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34 | $this->implementation = array('unknown'); |
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35 | $this->saslmethods = array('unknown'); |
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36 | $this->extensions = array('unknown'); |
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37 | $this->starttls_avail = false; |
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38 | $this->scriptlist = array(); |
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39 | $this->activescript = ''; |
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40 | $this->errstr = ''; |
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41 | $this->errnum = ''; |
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42 | |
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43 | } |
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44 | |
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45 | function start(){ |
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46 | // Cria a conexao; |
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47 | if(!isset($this->socket)){ |
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48 | $this->socket = fsockopen($this->host, $this->port, $this->errnum, $this->errstr, "60"); |
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49 | |
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50 | } |
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51 | // Verifica a conexao; |
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52 | if(!$this->socket){ |
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53 | return "não conectado"; |
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54 | } |
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55 | |
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56 | $said = $this->read(); |
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57 | if (!preg_match("/timsieved/i",$said)) { |
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58 | $this->close(); |
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59 | $this->errstr = "start: bad response from $this->host: $said"; |
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60 | return false; |
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61 | } |
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62 | |
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63 | if (preg_match("/IMPLEMENTATION/",$said)){ |
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64 | while (!preg_match("/^OK/",$said)) { |
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65 | if (preg_match("/^\"IMPLEMENTATION\" +\"(.*)\"/",$said,$bits)){ |
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66 | $this->implementation = $bits[1]; |
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67 | } |
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68 | elseif (preg_match("/^\"SASL\" +\"(.*)\"/",$said,$bits)) { |
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69 | $auth_types = $bits[1]; |
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70 | $this->saslmethods = split(" ", $auth_types); |
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71 | } |
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72 | elseif (preg_match("/^\"SIEVE\" +\"(.*)\"/",$said,$bits)) { |
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73 | $extensions = $bits[1]; |
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74 | $this->extensions = split(" ", $extensions); |
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75 | } |
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76 | elseif (preg_match("/^\"STARTTLS\"/",$said)){ |
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77 | $this->starttls_avail = true; |
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78 | } |
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79 | $said = $this->read(); |
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80 | } |
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81 | } |
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82 | else |
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83 | { |
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84 | // assume cyrus v1. |
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85 | if (preg_match("/\"(.+)\" +\"(.+)\"/",$said,$bits)) { |
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86 | $this->implementation = $bits[1]; |
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87 | $sasl_str = $bits[2]; // should look like: SASL={PLAIN,...} |
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88 | } |
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89 | if (preg_match("/SASL=\{(.+)\}/",$sasl_str,$morebits)) { |
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90 | $auth_types = $morebits[1]; |
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91 | $this->saslmethods = split(", ", $auth_types); |
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92 | }else { |
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93 | // a bit desperate if we get here. |
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94 | $this->implementation = $said; |
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95 | $this->saslmethods = $said; |
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96 | } |
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97 | } |
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98 | |
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99 | $authstr = $this->proxy . "\x00" . $this->user . "\x00" . $this->pass; |
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100 | $encoded = base64_encode($authstr); |
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101 | $len = strlen($encoded); |
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102 | |
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103 | //fputs($this->socket,"AUTHENTICATE \"PLAIN\" \{$len+}\r\n"); |
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104 | //fputs($this->socket,"$encoded\r\n"); |
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105 | |
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106 | fwrite($this->socket, 'AUTHENTICATE "PLAIN" {' . $len . '+}' . "\r\n"); |
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107 | fwrite($this->socket,"$encoded\r\n"); |
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108 | |
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109 | $said = $this->read(); |
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110 | |
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111 | if (preg_match("/NO/",$said)) { |
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112 | $this->close(); |
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113 | $this->errstr = "start: authentication failure connecting to $this->host"; |
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114 | return false; |
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115 | } |
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116 | elseif (!preg_match("/OK/",$said)) { |
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117 | $this->close(); |
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118 | $this->errstr = "start: bad authentication response from $this->host: $said"; |
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119 | return false; |
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120 | } |
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121 | |
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122 | return true; |
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123 | |
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124 | } |
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125 | |
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126 | function close(){ |
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127 | |
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128 | if(!$this->socket){ |
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129 | return true; |
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130 | } |
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131 | fputs($this->socket,"LOGOUT\r\n"); |
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132 | $rc = fclose($this->socket); |
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133 | if($rc != 1){ |
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134 | $this->errstr = "close: failed closing socket to $this->server"; |
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135 | return false; |
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136 | } |
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137 | return true; |
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138 | } |
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139 | |
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140 | function read(){ |
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141 | |
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142 | $buffer = ''; |
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143 | |
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144 | // Verifca a conexao; |
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145 | if(!$this->socket){ |
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146 | return $buffer; |
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147 | } |
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148 | |
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149 | //Funções do php |
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150 | socket_set_timeout($this->socket,$this->socket_timeout); |
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151 | socket_set_blocking($this->socket,true); |
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152 | |
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153 | //Lê um caracter de cada vez e o adiciona na variavel buffer; |
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154 | while ( is_resource( $this -> socket ) && ( ! feof( $this -> socket ) ) ) |
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155 | { |
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156 | $char = fread($this->socket,1); |
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157 | |
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158 | $status = socket_get_status($this->socket); |
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159 | if($status['timed_out']) |
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160 | return $buffer; |
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161 | |
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162 | if(($char == "\n") || ($char == "\r")){ |
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163 | if($char == "\r") |
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164 | fread($this->socket,1); |
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165 | return $buffer; |
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166 | } |
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167 | $buffer .= $char; |
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168 | } |
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169 | return $buffer; |
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170 | } |
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171 | ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
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172 | // Manipulação dos scripts |
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173 | ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
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174 | |
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175 | function listscripts(){ |
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176 | |
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177 | $bits = ''; |
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178 | |
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179 | //Verifica a conexao |
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180 | if(!$this->socket){ |
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181 | $this->errstr = "listscripts: sem conexão para o servidor $this->host"; |
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182 | return false; |
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183 | } |
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184 | |
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185 | $scripts = array(); |
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186 | fputs($this->socket,"LISTSCRIPTS\r\n"); |
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187 | |
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188 | $said = $this->read(); |
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189 | while (!preg_match("/^OK/",$said) && !preg_match("/^NO/",$said)) { |
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190 | |
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191 | // Cyrus v1 script lines look like '"script*"' with the |
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192 | // asterisk denoting the active script. Cyrus v2 script |
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193 | // lines will look like '"script" ACTIVE' if active. |
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194 | |
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195 | if (preg_match("/^\"(.+)\"\s*(.+)*$/m",$said,$bits)) { |
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196 | if (preg_match("/\*$/",$bits[1])){ |
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197 | $bits[1] = preg_replace("/\*$/","",$bits[1]); |
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198 | $this->activescript = $bits[1]; |
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199 | } |
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200 | if (isset($bits[2]) && $bits[2] == 'ACTIVE') |
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201 | $this->activescript = $bits[1]; |
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202 | array_push($scripts,$bits[1]); |
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203 | } |
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204 | $said = $this->read(); |
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205 | } |
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206 | |
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207 | if (preg_match("/^OK/",$said)) { |
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208 | $this->scriptlist = $scripts; |
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209 | return $this->scriptlist; |
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210 | } |
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211 | |
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212 | } |
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213 | |
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214 | // Pega o conteudo do script no servidor |
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215 | function getscript(){ |
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216 | |
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217 | $scriptfile = $this->listscripts(); |
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218 | |
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219 | // verifica se existe o script; |
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220 | if($scriptfile == ""){ |
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221 | return "Falta o script"; |
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222 | } |
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223 | |
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224 | if(!$this->socket){ |
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225 | return "Falha na conexao"; |
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226 | } |
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227 | |
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228 | $script = ''; |
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229 | |
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230 | fputs($this->socket,"GETSCRIPT \"$scriptfile[0]\"\r\n"); |
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231 | $said = $this->read(); |
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232 | while ((!preg_match("/^OK/",$said)) && (!preg_match("/^NO/",$said))) { |
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233 | // replace newlines which read() removed |
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234 | if (!preg_match("/\n$/",$said)) $said .= "\n"; |
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235 | $script .= $said; |
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236 | $said = $this->read(); |
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237 | } |
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238 | |
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239 | if($said == "OK"){ |
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240 | return $script; |
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241 | }else{ |
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242 | return false; |
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243 | } |
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244 | } |
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245 | |
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246 | //envia para o servidor o nome do script($scriptfile) e seu conteudo($script) |
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247 | function putscript ($scriptfile,$script) { |
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248 | if (!isset($scriptfile)) { |
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249 | $this->errstr = "Não foi possível enviar o script para o servidor"; |
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250 | return false; |
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251 | } |
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252 | if (!isset($script)) { |
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253 | $this->errstr = "Não foi possível enviar o script para o servidor"; |
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254 | return false; |
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255 | } |
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256 | if (!$this->socket) { |
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257 | $this->errstr = "Sem conexão com o servidor $this->server"; |
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258 | return false; |
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259 | } |
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260 | |
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261 | $len = strlen($script); |
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262 | |
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263 | //fputs($this->socket,"PUTSCRIPT \"$scriptfile\" \{$len+}\r\n"); |
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264 | //fputs($this->socket,"$script\r\n"); |
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265 | |
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266 | fwrite($this->socket, 'PUTSCRIPT "'.$scriptfile.'" {' . $len . '+}' . "\r\n"); |
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267 | fwrite($this->socket,"$script\r\n"); |
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268 | |
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269 | $said = ''; |
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270 | while ($said == '') { |
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271 | $said = $this->read(); |
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272 | } |
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273 | |
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274 | if (preg_match("/^OK/",$said)) { |
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275 | return true; |
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276 | } |
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277 | |
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278 | $this->errstr = "Não foi possível enviar o $scriptfile: $said"; |
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279 | return false; |
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280 | } |
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281 | |
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282 | // Ativa o script para o servico sieve; |
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283 | function activatescript ($scriptfile) { |
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284 | if (!isset($scriptfile)) { |
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285 | $this->errstr = "activatescript: no script file specified"; |
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286 | return false; |
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287 | } |
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288 | |
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289 | if (!$this->socket) { |
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290 | $this->errstr = "activatescript: no connection open to $this->server"; |
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291 | return false; |
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292 | } |
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293 | |
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294 | fputs($this->socket,"SETACTIVE \"$scriptfile\"\r\n"); |
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295 | |
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296 | $said = $this->read(); |
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297 | |
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298 | if (preg_match("/^OK/",$said)) { |
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299 | return true; |
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300 | } |
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301 | |
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302 | $this->errstr = "activatescript: could not activate script $scriptfile: $said"; |
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303 | return false; |
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304 | } |
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305 | |
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306 | // Deleta o script do serviço sieve; |
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307 | function deletescript ($scriptName) { |
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308 | if(!isset($scriptName)){ |
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309 | $this->errstr = "deletescript: no script file specified"; |
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310 | return false; |
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311 | } |
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312 | |
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313 | // Verifica a conexão; |
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314 | if(!$this->socket){ |
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315 | $this->errstr = "deletescript : no connection open to $this->server"; |
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316 | return false; |
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317 | } |
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318 | |
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319 | fputs($this->socket,"DELETESCRIPT \"$scriptName\"\r\n"); |
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320 | |
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321 | $said = $this->read(); |
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322 | |
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323 | if(preg_match("/^OK/",$said)) { |
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324 | return true; |
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325 | } |
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326 | |
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327 | $this->errstr = "deletescript: could not delete script $scriptName: $said"; |
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328 | return false; |
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329 | } |
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330 | } |
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331 | ?> |
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