[2] | 1 | <?php |
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[5509] | 2 | /*************************************************************************** |
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| 3 | * Expresso Livre * |
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| 4 | * http://www.expressolivre.org * |
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| 5 | * -------------------------------------------- * |
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| 6 | * This program is free software; you can redistribute it and/or modify it * |
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| 7 | * under the terms of the GNU General Public License as published by the * |
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| 8 | * Free Software Foundation; either version 2 of the License, or (at your * |
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| 9 | * option) any later version. * |
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| 10 | \**************************************************************************/ |
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| 11 | |
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[2] | 12 | //Conecta com o Servidor e o serviço Sieve; |
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| 13 | class SieveS{ |
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| 14 | |
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| 15 | var $host; |
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| 16 | var $port; |
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| 17 | var $user; |
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| 18 | var $pass; |
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| 19 | var $proxy; |
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| 20 | |
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| 21 | var $implementation; |
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| 22 | var $saslmethods; |
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| 23 | var $extensions; |
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| 24 | var $starttls_avail; |
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| 25 | var $socket; |
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| 26 | var $socket_timeout; |
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| 27 | |
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| 28 | var $scriptlist; |
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| 29 | var $activescript; |
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| 30 | var $errstr; |
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| 31 | var $errnum; |
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| 32 | var $ScriptS; |
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| 33 | |
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| 34 | function SieveS(){ |
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| 35 | |
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| 36 | $this->host = $_SESSION['phpgw_info']['expressomail']['email_server']['imapSieveServer']; |
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| 37 | $this->port = $_SESSION['phpgw_info']['expressomail']['email_server']['imapSievePort']; |
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| 38 | $this->user = $_SESSION['phpgw_info']['expressomail']['user']['account_lid']; |
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| 39 | $this->pass = $_SESSION['phpgw_info']['expressomail']['user']['passwd']; |
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| 40 | $this->proxy = ''; |
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| 41 | |
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| 42 | $this->socket_timeout = 5; |
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| 43 | $this->implementation = array('unknown'); |
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| 44 | $this->saslmethods = array('unknown'); |
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| 45 | $this->extensions = array('unknown'); |
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| 46 | $this->starttls_avail = false; |
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| 47 | $this->scriptlist = array(); |
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| 48 | $this->activescript = ''; |
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| 49 | $this->errstr = ''; |
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| 50 | $this->errnum = ''; |
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| 51 | |
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| 52 | } |
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| 53 | |
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| 54 | function start(){ |
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| 55 | // Cria a conexao; |
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| 56 | if(!isset($this->socket)){ |
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| 57 | $this->socket = fsockopen($this->host, $this->port, $this->errnum, $this->errstr, "60"); |
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| 58 | |
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| 59 | } |
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| 60 | // Verifica a conexao; |
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| 61 | if(!$this->socket){ |
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| 62 | return "não conectado"; |
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| 63 | } |
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| 64 | |
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| 65 | $said = $this->read(); |
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| 66 | if (!preg_match("/timsieved/i",$said)) { |
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| 67 | $this->close(); |
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| 68 | $this->errstr = "start: bad response from $this->host: $said"; |
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| 69 | return false; |
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| 70 | } |
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| 71 | |
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| 72 | if (preg_match("/IMPLEMENTATION/",$said)){ |
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| 73 | while (!preg_match("/^OK/",$said)) { |
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| 74 | if (preg_match("/^\"IMPLEMENTATION\" +\"(.*)\"/",$said,$bits)){ |
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| 75 | $this->implementation = $bits[1]; |
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| 76 | } |
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| 77 | elseif (preg_match("/^\"SASL\" +\"(.*)\"/",$said,$bits)) { |
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| 78 | $auth_types = $bits[1]; |
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| 79 | $this->saslmethods = split(" ", $auth_types); |
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| 80 | } |
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| 81 | elseif (preg_match("/^\"SIEVE\" +\"(.*)\"/",$said,$bits)) { |
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| 82 | $extensions = $bits[1]; |
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| 83 | $this->extensions = split(" ", $extensions); |
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| 84 | } |
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| 85 | elseif (preg_match("/^\"STARTTLS\"/",$said)){ |
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| 86 | $this->starttls_avail = true; |
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| 87 | } |
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| 88 | $said = $this->read(); |
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| 89 | } |
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| 90 | } |
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| 91 | else |
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| 92 | { |
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| 93 | // assume cyrus v1. |
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| 94 | if (preg_match("/\"(.+)\" +\"(.+)\"/",$said,$bits)) { |
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| 95 | $this->implementation = $bits[1]; |
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| 96 | $sasl_str = $bits[2]; // should look like: SASL={PLAIN,...} |
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| 97 | } |
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| 98 | if (preg_match("/SASL=\{(.+)\}/",$sasl_str,$morebits)) { |
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| 99 | $auth_types = $morebits[1]; |
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| 100 | $this->saslmethods = split(", ", $auth_types); |
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| 101 | }else { |
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| 102 | // a bit desperate if we get here. |
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| 103 | $this->implementation = $said; |
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| 104 | $this->saslmethods = $said; |
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| 105 | } |
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| 106 | } |
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| 107 | |
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| 108 | $authstr = $this->proxy . "\x00" . $this->user . "\x00" . $this->pass; |
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| 109 | $encoded = base64_encode($authstr); |
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| 110 | $len = strlen($encoded); |
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| 111 | |
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| 112 | //fputs($this->socket,"AUTHENTICATE \"PLAIN\" \{$len+}\r\n"); |
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| 113 | //fputs($this->socket,"$encoded\r\n"); |
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| 114 | |
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| 115 | fwrite($this->socket, 'AUTHENTICATE "PLAIN" {' . $len . '+}' . "\r\n"); |
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| 116 | fwrite($this->socket,"$encoded\r\n"); |
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| 117 | |
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| 118 | $said = $this->read(); |
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| 119 | |
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| 120 | if (preg_match("/NO/",$said)) { |
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| 121 | $this->close(); |
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| 122 | $this->errstr = "start: authentication failure connecting to $this->host"; |
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| 123 | return false; |
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| 124 | } |
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| 125 | elseif (!preg_match("/OK/",$said)) { |
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| 126 | $this->close(); |
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| 127 | $this->errstr = "start: bad authentication response from $this->host: $said"; |
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| 128 | return false; |
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| 129 | } |
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| 130 | |
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| 131 | return true; |
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| 132 | |
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| 133 | } |
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| 134 | |
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| 135 | function close(){ |
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| 136 | |
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| 137 | if(!$this->socket){ |
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| 138 | return true; |
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| 139 | } |
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| 140 | fputs($this->socket,"LOGOUT\r\n"); |
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| 141 | $rc = fclose($this->socket); |
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| 142 | if($rc != 1){ |
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| 143 | $this->errstr = "close: failed closing socket to $this->server"; |
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| 144 | return false; |
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| 145 | } |
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| 146 | return true; |
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| 147 | } |
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| 148 | |
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| 149 | function read(){ |
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| 150 | |
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| 151 | $buffer = ''; |
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| 152 | |
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| 153 | // Verifca a conexao; |
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| 154 | if(!$this->socket){ |
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| 155 | return $buffer; |
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| 156 | } |
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| 157 | |
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| 158 | //Funções do php |
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| 159 | socket_set_timeout($this->socket,$this->socket_timeout); |
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| 160 | socket_set_blocking($this->socket,true); |
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| 161 | |
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| 162 | //Lê um caracter de cada vez e o adiciona na variavel buffer; |
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[1149] | 163 | while ( is_resource( $this -> socket ) && ( ! feof( $this -> socket ) ) ) |
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| 164 | { |
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[2] | 165 | $char = fread($this->socket,1); |
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| 166 | |
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| 167 | $status = socket_get_status($this->socket); |
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| 168 | if($status['timed_out']) |
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| 169 | return $buffer; |
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| 170 | |
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| 171 | if(($char == "\n") || ($char == "\r")){ |
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| 172 | if($char == "\r") |
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| 173 | fread($this->socket,1); |
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| 174 | return $buffer; |
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| 175 | } |
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| 176 | $buffer .= $char; |
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| 177 | } |
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| 178 | return $buffer; |
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| 179 | } |
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| 180 | ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
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| 181 | // Manipulação dos scripts |
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| 182 | ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////// |
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| 183 | |
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| 184 | function listscripts(){ |
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| 185 | |
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| 186 | $bits = ''; |
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| 187 | |
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| 188 | //Verifica a conexao |
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[3018] | 189 | if(!is_resource($this->socket)){ |
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[2] | 190 | $this->errstr = "listscripts: sem conexão para o servidor $this->host"; |
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| 191 | return false; |
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| 192 | } |
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| 193 | |
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| 194 | $scripts = array(); |
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| 195 | fputs($this->socket,"LISTSCRIPTS\r\n"); |
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| 196 | |
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| 197 | $said = $this->read(); |
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[4236] | 198 | |
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| 199 | // DEBUG: Para compatibilizar o sieve com o REFERRAL |
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[4240] | 200 | $tmp = array(); |
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| 201 | if ( preg_match('|^BYE \(REFERRAL "(sieve://)?([^/"]+)"\)|', $said, $tmp) ){ |
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[4236] | 202 | // Redefine a configuracao do servidor sieve, baseado no referral |
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| 203 | $this->host = $tmp[2]; |
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| 204 | // Forca reiniciar a conexao, mas agora para o novo servidor |
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| 205 | $this->close (); |
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| 206 | unset ($this->socket); |
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| 207 | $this->start (); |
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| 208 | |
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| 209 | // Excuta novamente esta funcao (libscripts) para continuar a sequncia do codigo |
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| 210 | // Chama-la recursivamente nao funciona. A funcao fica em loop |
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| 211 | if(!is_resource($this->socket)){ |
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| 212 | $this->errstr = "listscripts: sem conexao para o servidor $this->host"; |
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| 213 | return false; |
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| 214 | } |
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| 215 | fputs($this->socket,"LISTSCRIPTS\r\n"); |
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| 216 | $said = $this->read(); |
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[4240] | 217 | } |
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[4236] | 218 | |
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| 219 | |
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[3018] | 220 | while (is_resource($this->socket) && (!preg_match("/^OK/",$said) && !preg_match("/^NO/",$said))) { |
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[2] | 221 | |
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| 222 | // Cyrus v1 script lines look like '"script*"' with the |
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| 223 | // asterisk denoting the active script. Cyrus v2 script |
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| 224 | // lines will look like '"script" ACTIVE' if active. |
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| 225 | |
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| 226 | if (preg_match("/^\"(.+)\"\s*(.+)*$/m",$said,$bits)) { |
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| 227 | if (preg_match("/\*$/",$bits[1])){ |
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| 228 | $bits[1] = preg_replace("/\*$/","",$bits[1]); |
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| 229 | $this->activescript = $bits[1]; |
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| 230 | } |
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| 231 | if (isset($bits[2]) && $bits[2] == 'ACTIVE') |
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| 232 | $this->activescript = $bits[1]; |
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| 233 | array_push($scripts,$bits[1]); |
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| 234 | } |
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| 235 | $said = $this->read(); |
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| 236 | } |
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| 237 | |
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| 238 | if (preg_match("/^OK/",$said)) { |
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| 239 | $this->scriptlist = $scripts; |
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| 240 | return $this->scriptlist; |
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| 241 | } |
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| 242 | |
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| 243 | } |
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| 244 | |
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| 245 | // Pega o conteudo do script no servidor |
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| 246 | function getscript(){ |
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| 247 | |
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| 248 | $scriptfile = $this->listscripts(); |
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| 249 | |
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| 250 | // verifica se existe o script; |
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| 251 | if($scriptfile == ""){ |
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| 252 | return "Falta o script"; |
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| 253 | } |
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| 254 | |
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| 255 | if(!$this->socket){ |
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| 256 | return "Falha na conexao"; |
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| 257 | } |
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| 258 | |
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| 259 | $script = ''; |
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| 260 | |
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| 261 | fputs($this->socket,"GETSCRIPT \"$scriptfile[0]\"\r\n"); |
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| 262 | $said = $this->read(); |
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| 263 | while ((!preg_match("/^OK/",$said)) && (!preg_match("/^NO/",$said))) { |
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| 264 | // replace newlines which read() removed |
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| 265 | if (!preg_match("/\n$/",$said)) $said .= "\n"; |
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| 266 | $script .= $said; |
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| 267 | $said = $this->read(); |
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| 268 | } |
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| 269 | |
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| 270 | if($said == "OK"){ |
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| 271 | return $script; |
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| 272 | }else{ |
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| 273 | return false; |
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| 274 | } |
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| 275 | } |
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| 276 | |
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| 277 | //envia para o servidor o nome do script($scriptfile) e seu conteudo($script) |
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| 278 | function putscript ($scriptfile,$script) { |
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| 279 | if (!isset($scriptfile)) { |
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| 280 | $this->errstr = "Não foi possível enviar o script para o servidor"; |
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| 281 | return false; |
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| 282 | } |
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| 283 | if (!isset($script)) { |
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| 284 | $this->errstr = "Não foi possível enviar o script para o servidor"; |
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| 285 | return false; |
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| 286 | } |
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| 287 | if (!$this->socket) { |
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| 288 | $this->errstr = "Sem conexão com o servidor $this->server"; |
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| 289 | return false; |
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| 290 | } |
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| 291 | |
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| 292 | $len = strlen($script); |
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| 293 | |
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| 294 | //fputs($this->socket,"PUTSCRIPT \"$scriptfile\" \{$len+}\r\n"); |
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| 295 | //fputs($this->socket,"$script\r\n"); |
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| 296 | |
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| 297 | fwrite($this->socket, 'PUTSCRIPT "'.$scriptfile.'" {' . $len . '+}' . "\r\n"); |
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| 298 | fwrite($this->socket,"$script\r\n"); |
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| 299 | |
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| 300 | $said = ''; |
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| 301 | while ($said == '') { |
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| 302 | $said = $this->read(); |
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| 303 | } |
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| 304 | |
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| 305 | if (preg_match("/^OK/",$said)) { |
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| 306 | return true; |
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| 307 | } |
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| 308 | |
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| 309 | $this->errstr = "Não foi possível enviar o $scriptfile: $said"; |
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| 310 | return false; |
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| 311 | } |
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| 312 | |
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| 313 | // Ativa o script para o servico sieve; |
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| 314 | function activatescript ($scriptfile) { |
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| 315 | if (!isset($scriptfile)) { |
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| 316 | $this->errstr = "activatescript: no script file specified"; |
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| 317 | return false; |
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| 318 | } |
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| 319 | |
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| 320 | if (!$this->socket) { |
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| 321 | $this->errstr = "activatescript: no connection open to $this->server"; |
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| 322 | return false; |
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| 323 | } |
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| 324 | |
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| 325 | fputs($this->socket,"SETACTIVE \"$scriptfile\"\r\n"); |
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| 326 | |
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| 327 | $said = $this->read(); |
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| 328 | |
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| 329 | if (preg_match("/^OK/",$said)) { |
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| 330 | return true; |
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| 331 | } |
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| 332 | |
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| 333 | $this->errstr = "activatescript: could not activate script $scriptfile: $said"; |
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| 334 | return false; |
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| 335 | } |
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| 336 | |
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| 337 | // Deleta o script do serviço sieve; |
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| 338 | function deletescript ($scriptName) { |
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| 339 | if(!isset($scriptName)){ |
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| 340 | $this->errstr = "deletescript: no script file specified"; |
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| 341 | return false; |
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| 342 | } |
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| 343 | |
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| 344 | // Verifica a conexão; |
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| 345 | if(!$this->socket){ |
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| 346 | $this->errstr = "deletescript : no connection open to $this->server"; |
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| 347 | return false; |
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| 348 | } |
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| 349 | |
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| 350 | fputs($this->socket,"DELETESCRIPT \"$scriptName\"\r\n"); |
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| 351 | |
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| 352 | $said = $this->read(); |
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| 353 | |
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| 354 | if(preg_match("/^OK/",$said)) { |
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| 355 | return true; |
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| 356 | } |
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| 357 | |
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| 358 | $this->errstr = "deletescript: could not delete script $scriptName: $said"; |
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| 359 | return false; |
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| 360 | } |
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| 361 | } |
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| 362 | ?> |
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