[2] | 1 | <?php |
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[2360] | 2 | |
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| 3 | /*************************************************************************** |
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| 4 | * Expresso Livre * |
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| 5 | * http://www.expressolivre.org * |
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| 6 | * -------------------------------------------- * |
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| 7 | * This program is free software; you can redistribute it and/or modify it * |
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| 8 | * under the terms of the GNU General Public License as published by the * |
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| 9 | * Free Software Foundation; either version 2 of the License, or (at your * |
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| 10 | * option) any later version. * |
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| 11 | \**************************************************************************/ |
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[2] | 12 | //////////////////////////////////////////////////// |
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| 13 | // SMTP - PHP SMTP class |
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| 14 | // |
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| 15 | // Version 1.02 |
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| 16 | // |
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| 17 | // Define an SMTP class that can be used to connect |
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| 18 | // and communicate with any SMTP server. It implements |
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| 19 | // all the SMTP functions defined in RFC821 except TURN. |
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| 20 | // |
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| 21 | // Author: Chris Ryan |
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| 22 | // |
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| 23 | // License: LGPL, see LICENSE |
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| 24 | //////////////////////////////////////////////////// |
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| 25 | |
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| 26 | /** |
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| 27 | * SMTP is rfc 821 compliant and implements all the rfc 821 SMTP |
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| 28 | * commands except TURN which will always return a not implemented |
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| 29 | * error. SMTP also provides some utility methods for sending mail |
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| 30 | * to an SMTP server. |
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| 31 | * @package PHPMailer |
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| 32 | * @author Chris Ryan |
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| 33 | */ |
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| 34 | class SMTP |
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| 35 | { |
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| 36 | /** |
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| 37 | * SMTP server port |
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| 38 | * @var int |
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| 39 | */ |
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| 40 | var $SMTP_PORT = 25; |
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| 41 | |
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| 42 | /** |
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| 43 | * SMTP reply line ending |
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| 44 | * @var string |
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| 45 | */ |
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| 46 | var $CRLF = "\r\n"; |
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| 47 | |
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| 48 | /** |
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| 49 | * Sets whether debugging is turned on |
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| 50 | * @var bool |
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| 51 | */ |
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| 52 | var $do_debug; # the level of debug to perform |
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| 53 | |
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| 54 | /**#@+ |
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| 55 | * @access private |
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| 56 | */ |
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| 57 | var $smtp_conn; # the socket to the server |
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| 58 | var $error; # error if any on the last call |
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| 59 | var $helo_rply; # the reply the server sent to us for HELO |
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| 60 | /**#@-*/ |
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| 61 | |
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| 62 | /** |
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| 63 | * Initialize the class so that the data is in a known state. |
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| 64 | * @access public |
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| 65 | * @return void |
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| 66 | */ |
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| 67 | function SMTP() { |
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| 68 | $this->smtp_conn = 0; |
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| 69 | $this->error = null; |
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| 70 | $this->helo_rply = null; |
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| 71 | |
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| 72 | $this->do_debug = 0; |
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| 73 | } |
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| 74 | |
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| 75 | /************************************************************* |
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| 76 | * CONNECTION FUNCTIONS * |
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| 77 | ***********************************************************/ |
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| 78 | |
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| 79 | /** |
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| 80 | * Connect to the server specified on the port specified. |
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| 81 | * If the port is not specified use the default SMTP_PORT. |
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| 82 | * If tval is specified then a connection will try and be |
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| 83 | * established with the server for that number of seconds. |
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| 84 | * If tval is not specified the default is 30 seconds to |
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| 85 | * try on the connection. |
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| 86 | * |
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| 87 | * SMTP CODE SUCCESS: 220 |
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| 88 | * SMTP CODE FAILURE: 421 |
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| 89 | * @access public |
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| 90 | * @return bool |
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| 91 | */ |
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| 92 | function Connect($host,$port=0,$tval=30) { |
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| 93 | # set the error val to null so there is no confusion |
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| 94 | $this->error = null; |
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| 95 | |
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| 96 | # make sure we are __not__ connected |
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| 97 | if($this->connected()) { |
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| 98 | # ok we are connected! what should we do? |
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| 99 | # for now we will just give an error saying we |
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| 100 | # are already connected |
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| 101 | $this->error = |
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| 102 | array("error" => "Already connected to a server"); |
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| 103 | return false; |
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| 104 | } |
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| 105 | |
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| 106 | if(empty($port)) { |
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| 107 | $port = $this->SMTP_PORT; |
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| 108 | } |
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| 109 | |
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| 110 | #connect to the smtp server |
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| 111 | $this->smtp_conn = fsockopen($host, # the host of the server |
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| 112 | $port, # the port to use |
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| 113 | $errno, # error number if any |
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| 114 | $errstr, # error message if any |
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| 115 | $tval); # give up after ? secs |
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| 116 | # verify we connected properly |
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| 117 | if(empty($this->smtp_conn)) { |
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| 118 | $this->error = array("error" => "Failed to connect to server", |
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| 119 | "errno" => $errno, |
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| 120 | "errstr" => $errstr); |
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| 121 | if($this->do_debug >= 1) { |
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| 122 | echo "SMTP -> ERROR: " . $this->error["error"] . |
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| 123 | ": $errstr ($errno)" . $this->CRLF; |
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| 124 | } |
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| 125 | return false; |
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| 126 | } |
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| 127 | |
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| 128 | # sometimes the SMTP server takes a little longer to respond |
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| 129 | # so we will give it a longer timeout for the first read |
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| 130 | // Windows still does not have support for this timeout function |
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| 131 | if(substr(PHP_OS, 0, 3) != "WIN") |
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| 132 | socket_set_timeout($this->smtp_conn, $tval, 0); |
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| 133 | |
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| 134 | # get any announcement stuff |
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| 135 | $announce = $this->get_lines(); |
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| 136 | |
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| 137 | # set the timeout of any socket functions at 1/10 of a second |
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| 138 | //if(function_exists("socket_set_timeout")) |
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| 139 | // socket_set_timeout($this->smtp_conn, 0, 100000); |
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| 140 | |
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| 141 | if($this->do_debug >= 2) { |
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| 142 | echo "SMTP -> FROM SERVER:" . $this->CRLF . $announce; |
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| 143 | } |
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| 144 | |
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| 145 | return true; |
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| 146 | } |
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| 147 | |
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| 148 | /** |
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| 149 | * Performs SMTP authentication. Must be run after running the |
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| 150 | * Hello() method. Returns true if successfully authenticated. |
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| 151 | * @access public |
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| 152 | * @return bool |
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| 153 | */ |
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| 154 | function Authenticate($username, $password) { |
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| 155 | // Start authentication |
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| 156 | fputs($this->smtp_conn,"AUTH LOGIN" . $this->CRLF); |
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| 157 | |
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| 158 | $rply = $this->get_lines(); |
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| 159 | $code = substr($rply,0,3); |
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| 160 | |
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| 161 | if($code != 334) { |
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| 162 | $this->error = |
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| 163 | array("error" => "AUTH not accepted from server", |
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| 164 | "smtp_code" => $code, |
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| 165 | "smtp_msg" => substr($rply,4)); |
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| 166 | if($this->do_debug >= 1) { |
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| 167 | echo "SMTP -> ERROR: " . $this->error["error"] . |
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| 168 | ": " . $rply . $this->CRLF; |
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| 169 | } |
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| 170 | return false; |
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| 171 | } |
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| 172 | |
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| 173 | // Send encoded username |
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| 174 | fputs($this->smtp_conn, base64_encode($username) . $this->CRLF); |
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| 175 | |
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| 176 | $rply = $this->get_lines(); |
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| 177 | $code = substr($rply,0,3); |
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| 178 | |
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| 179 | if($code != 334) { |
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| 180 | $this->error = |
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| 181 | array("error" => "Username not accepted from server", |
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| 182 | "smtp_code" => $code, |
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| 183 | "smtp_msg" => substr($rply,4)); |
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| 184 | if($this->do_debug >= 1) { |
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| 185 | echo "SMTP -> ERROR: " . $this->error["error"] . |
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| 186 | ": " . $rply . $this->CRLF; |
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| 187 | } |
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| 188 | return false; |
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| 189 | } |
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| 190 | |
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| 191 | // Send encoded password |
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| 192 | fputs($this->smtp_conn, base64_encode($password) . $this->CRLF); |
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| 193 | |
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| 194 | $rply = $this->get_lines(); |
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| 195 | $code = substr($rply,0,3); |
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| 196 | |
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| 197 | if($code != 235) { |
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| 198 | $this->error = |
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| 199 | array("error" => "Password not accepted from server", |
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| 200 | "smtp_code" => $code, |
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| 201 | "smtp_msg" => substr($rply,4)); |
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| 202 | if($this->do_debug >= 1) { |
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| 203 | echo "SMTP -> ERROR: " . $this->error["error"] . |
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| 204 | ": " . $rply . $this->CRLF; |
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| 205 | } |
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| 206 | return false; |
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| 207 | } |
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| 208 | |
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| 209 | return true; |
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| 210 | } |
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| 211 | |
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| 212 | /** |
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| 213 | * Returns true if connected to a server otherwise false |
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| 214 | * @access private |
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| 215 | * @return bool |
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| 216 | */ |
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| 217 | function Connected() { |
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| 218 | if(!empty($this->smtp_conn)) { |
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| 219 | $sock_status = socket_get_status($this->smtp_conn); |
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| 220 | if($sock_status["eof"]) { |
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| 221 | # hmm this is an odd situation... the socket is |
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| 222 | # valid but we aren't connected anymore |
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| 223 | if($this->do_debug >= 1) { |
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| 224 | echo "SMTP -> NOTICE:" . $this->CRLF . |
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| 225 | "EOF caught while checking if connected"; |
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| 226 | } |
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| 227 | $this->Close(); |
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| 228 | return false; |
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| 229 | } |
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| 230 | return true; # everything looks good |
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| 231 | } |
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| 232 | return false; |
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| 233 | } |
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| 234 | |
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| 235 | /** |
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| 236 | * Closes the socket and cleans up the state of the class. |
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| 237 | * It is not considered good to use this function without |
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| 238 | * first trying to use QUIT. |
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| 239 | * @access public |
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| 240 | * @return void |
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| 241 | */ |
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| 242 | function Close() { |
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| 243 | $this->error = null; # so there is no confusion |
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| 244 | $this->helo_rply = null; |
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| 245 | if(!empty($this->smtp_conn)) { |
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| 246 | # close the connection and cleanup |
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| 247 | fclose($this->smtp_conn); |
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| 248 | $this->smtp_conn = 0; |
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| 249 | } |
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| 250 | } |
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| 251 | |
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| 252 | |
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| 253 | /*************************************************************** |
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| 254 | * SMTP COMMANDS * |
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| 255 | *************************************************************/ |
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| 256 | |
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| 257 | /** |
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| 258 | * Issues a data command and sends the msg_data to the server |
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| 259 | * finializing the mail transaction. $msg_data is the message |
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| 260 | * that is to be send with the headers. Each header needs to be |
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| 261 | * on a single line followed by a <CRLF> with the message headers |
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| 262 | * and the message body being seperated by and additional <CRLF>. |
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| 263 | * |
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| 264 | * Implements rfc 821: DATA <CRLF> |
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| 265 | * |
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| 266 | * SMTP CODE INTERMEDIATE: 354 |
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| 267 | * [data] |
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| 268 | * <CRLF>.<CRLF> |
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| 269 | * SMTP CODE SUCCESS: 250 |
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| 270 | * SMTP CODE FAILURE: 552,554,451,452 |
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| 271 | * SMTP CODE FAILURE: 451,554 |
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| 272 | * SMTP CODE ERROR : 500,501,503,421 |
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| 273 | * @access public |
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| 274 | * @return bool |
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| 275 | */ |
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| 276 | function Data($msg_data) { |
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| 277 | $this->error = null; # so no confusion is caused |
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| 278 | |
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| 279 | if(!$this->connected()) { |
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| 280 | $this->error = array( |
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| 281 | "error" => "Called Data() without being connected"); |
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| 282 | return false; |
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| 283 | } |
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| 284 | |
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| 285 | fputs($this->smtp_conn,"DATA" . $this->CRLF); |
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| 286 | |
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| 287 | $rply = $this->get_lines(); |
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| 288 | $code = substr($rply,0,3); |
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| 289 | |
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| 290 | if($this->do_debug >= 2) { |
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| 291 | echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply; |
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| 292 | } |
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| 293 | |
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| 294 | if($code != 354) { |
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| 295 | $this->error = |
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| 296 | array("error" => "DATA command not accepted from server", |
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| 297 | "smtp_code" => $code, |
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| 298 | "smtp_msg" => substr($rply,4)); |
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| 299 | if($this->do_debug >= 1) { |
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| 300 | echo "SMTP -> ERROR: " . $this->error["error"] . |
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| 301 | ": " . $rply . $this->CRLF; |
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| 302 | } |
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| 303 | return false; |
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| 304 | } |
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| 305 | |
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| 306 | # the server is ready to accept data! |
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| 307 | # according to rfc 821 we should not send more than 1000 |
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| 308 | # including the CRLF |
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| 309 | # characters on a single line so we will break the data up |
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| 310 | # into lines by \r and/or \n then if needed we will break |
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| 311 | # each of those into smaller lines to fit within the limit. |
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| 312 | # in addition we will be looking for lines that start with |
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| 313 | # a period '.' and append and additional period '.' to that |
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| 314 | # line. NOTE: this does not count towards are limit. |
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| 315 | |
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| 316 | # normalize the line breaks so we know the explode works |
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| 317 | $msg_data = str_replace("\r\n","\n",$msg_data); |
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| 318 | $msg_data = str_replace("\r","\n",$msg_data); |
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[2295] | 319 | $lines = preg_split("/\n/",$msg_data); |
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[2] | 320 | |
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| 321 | # we need to find a good way to determine is headers are |
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| 322 | # in the msg_data or if it is a straight msg body |
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| 323 | # currently I'm assuming rfc 822 definitions of msg headers |
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| 324 | # and if the first field of the first line (':' sperated) |
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| 325 | # does not contain a space then it _should_ be a header |
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| 326 | # and we can process all lines before a blank "" line as |
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| 327 | # headers. |
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| 328 | $field = substr($lines[0],0,strpos($lines[0],":")); |
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| 329 | $in_headers = false; |
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| 330 | if(!empty($field) && !strstr($field," ")) { |
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| 331 | $in_headers = true; |
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| 332 | } |
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| 333 | |
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| 334 | $max_line_length = 998; # used below; set here for ease in change |
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| 335 | |
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| 336 | while(list(,$line) = @each($lines)) { |
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| 337 | $lines_out = null; |
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| 338 | if($line == "" && $in_headers) { |
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| 339 | $in_headers = false; |
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| 340 | } |
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| 341 | # ok we need to break this line up into several |
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| 342 | # smaller lines |
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| 343 | while(strlen($line) > $max_line_length) { |
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| 344 | $pos = strrpos(substr($line,0,$max_line_length)," "); |
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| 345 | |
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| 346 | # Patch to fix DOS attack |
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| 347 | if(!$pos) { |
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| 348 | $pos = $max_line_length - 1; |
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| 349 | } |
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| 350 | |
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| 351 | $lines_out[] = substr($line,0,$pos); |
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| 352 | $line = substr($line,$pos + 1); |
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| 353 | # if we are processing headers we need to |
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| 354 | # add a LWSP-char to the front of the new line |
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| 355 | # rfc 822 on long msg headers |
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| 356 | if($in_headers) { |
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| 357 | $line = "\t" . $line; |
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| 358 | } |
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| 359 | } |
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| 360 | $lines_out[] = $line; |
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| 361 | $messageCode = ""; |
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| 362 | # now send the lines to the server |
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| 363 | while(list(,$line_out) = @each($lines_out)) { |
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| 364 | if(strlen($line_out) > 0) |
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| 365 | { |
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| 366 | if(substr($line_out, 0, 1) == ".") { |
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| 367 | $line_out = "." . $line_out; |
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| 368 | } |
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| 369 | } |
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| 370 | fputs($this->smtp_conn,$line_out . $this->CRLF); |
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| 371 | } |
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| 372 | } |
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| 373 | |
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| 374 | # ok all the message data has been sent so lets get this |
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| 375 | # over with aleady |
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| 376 | fputs($this->smtp_conn, $this->CRLF . "." . $this->CRLF); |
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| 377 | |
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| 378 | $rply = $this->get_lines(); |
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| 379 | $code = substr($rply,0,3); |
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| 380 | |
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| 381 | if($this->do_debug >= 2) { |
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| 382 | echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply; |
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| 383 | } |
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| 384 | |
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| 385 | if($code != 250) { |
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| 386 | $this->error = |
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| 387 | array("error" => "DATA not accepted from server", |
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| 388 | "smtp_code" => $code, |
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| 389 | "smtp_msg" => substr($rply,4)); |
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| 390 | if($this->do_debug >= 1) { |
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| 391 | echo "SMTP -> ERROR: " . $this->error["error"] . |
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| 392 | ": " . $rply . $this->CRLF; |
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| 393 | } |
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| 394 | return false; |
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| 395 | } |
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[756] | 396 | else { |
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| 397 | // Response from SMTP => "250 2.0.0 Ok: queued as AAAAAAAAAA" |
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| 398 | $idx = strcspn($rply,"as"); |
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| 399 | $message_id = substr($rply,$idx+3); |
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| 400 | // $message_id = AAAAAAAAAA |
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| 401 | return $message_id ? $message_id : true; |
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| 402 | } |
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[2] | 403 | } |
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| 404 | |
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| 405 | /** |
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| 406 | * Expand takes the name and asks the server to list all the |
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| 407 | * people who are members of the _list_. Expand will return |
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| 408 | * back and array of the result or false if an error occurs. |
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| 409 | * Each value in the array returned has the format of: |
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| 410 | * [ <full-name> <sp> ] <path> |
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| 411 | * The definition of <path> is defined in rfc 821 |
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| 412 | * |
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| 413 | * Implements rfc 821: EXPN <SP> <string> <CRLF> |
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| 414 | * |
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| 415 | * SMTP CODE SUCCESS: 250 |
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| 416 | * SMTP CODE FAILURE: 550 |
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| 417 | * SMTP CODE ERROR : 500,501,502,504,421 |
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| 418 | * @access public |
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| 419 | * @return string array |
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| 420 | */ |
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| 421 | function Expand($name) { |
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| 422 | $this->error = null; # so no confusion is caused |
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| 423 | |
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| 424 | if(!$this->connected()) { |
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| 425 | $this->error = array( |
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| 426 | "error" => "Called Expand() without being connected"); |
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| 427 | return false; |
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| 428 | } |
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| 429 | |
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| 430 | fputs($this->smtp_conn,"EXPN " . $name . $this->CRLF); |
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| 431 | |
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| 432 | $rply = $this->get_lines(); |
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| 433 | $code = substr($rply,0,3); |
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| 434 | |
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| 435 | if($this->do_debug >= 2) { |
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| 436 | echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply; |
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| 437 | } |
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| 438 | |
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| 439 | if($code != 250) { |
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| 440 | $this->error = |
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| 441 | array("error" => "EXPN not accepted from server", |
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| 442 | "smtp_code" => $code, |
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| 443 | "smtp_msg" => substr($rply,4)); |
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| 444 | if($this->do_debug >= 1) { |
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| 445 | echo "SMTP -> ERROR: " . $this->error["error"] . |
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| 446 | ": " . $rply . $this->CRLF; |
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| 447 | } |
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| 448 | return false; |
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| 449 | } |
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| 450 | |
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| 451 | # parse the reply and place in our array to return to user |
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| 452 | $entries = explode($this->CRLF,$rply); |
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| 453 | while(list(,$l) = @each($entries)) { |
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| 454 | $list[] = substr($l,4); |
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| 455 | } |
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| 456 | |
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| 457 | return $list; |
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| 458 | } |
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| 459 | |
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| 460 | /** |
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| 461 | * Sends the HELO command to the smtp server. |
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| 462 | * This makes sure that we and the server are in |
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| 463 | * the same known state. |
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| 464 | * |
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| 465 | * Implements from rfc 821: HELO <SP> <domain> <CRLF> |
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| 466 | * |
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| 467 | * SMTP CODE SUCCESS: 250 |
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| 468 | * SMTP CODE ERROR : 500, 501, 504, 421 |
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| 469 | * @access public |
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| 470 | * @return bool |
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| 471 | */ |
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| 472 | function Hello($host="") { |
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| 473 | $this->error = null; # so no confusion is caused |
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| 474 | |
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| 475 | if(!$this->connected()) { |
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| 476 | $this->error = array( |
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| 477 | "error" => "Called Hello() without being connected"); |
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| 478 | return false; |
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| 479 | } |
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| 480 | |
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| 481 | # if a hostname for the HELO wasn't specified determine |
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| 482 | # a suitable one to send |
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| 483 | if(empty($host)) { |
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| 484 | # we need to determine some sort of appopiate default |
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| 485 | # to send to the server |
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| 486 | $host = "localhost"; |
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| 487 | } |
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| 488 | |
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| 489 | // Send extended hello first (RFC 2821) |
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| 490 | if(!$this->SendHello("EHLO", $host)) |
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| 491 | { |
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| 492 | if(!$this->SendHello("HELO", $host)) |
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| 493 | return false; |
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| 494 | } |
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| 495 | |
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| 496 | return true; |
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| 497 | } |
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| 498 | |
---|
| 499 | /** |
---|
| 500 | * Sends a HELO/EHLO command. |
---|
| 501 | * @access private |
---|
| 502 | * @return bool |
---|
| 503 | */ |
---|
| 504 | function SendHello($hello, $host) { |
---|
| 505 | fputs($this->smtp_conn, $hello . " " . $host . $this->CRLF); |
---|
| 506 | |
---|
| 507 | $rply = $this->get_lines(); |
---|
| 508 | $code = substr($rply,0,3); |
---|
| 509 | |
---|
| 510 | if($this->do_debug >= 2) { |
---|
| 511 | echo "SMTP -> FROM SERVER: " . $this->CRLF . $rply; |
---|
| 512 | } |
---|
| 513 | |
---|
| 514 | if($code != 250) { |
---|
| 515 | $this->error = |
---|
| 516 | array("error" => $hello . " not accepted from server", |
---|
| 517 | "smtp_code" => $code, |
---|
| 518 | "smtp_msg" => substr($rply,4)); |
---|
| 519 | if($this->do_debug >= 1) { |
---|
| 520 | echo "SMTP -> ERROR: " . $this->error["error"] . |
---|
| 521 | ": " . $rply . $this->CRLF; |
---|
| 522 | } |
---|
| 523 | return false; |
---|
| 524 | } |
---|
| 525 | |
---|
| 526 | $this->helo_rply = $rply; |
---|
| 527 | |
---|
| 528 | return true; |
---|
| 529 | } |
---|
| 530 | |
---|
| 531 | /** |
---|
| 532 | * Gets help information on the keyword specified. If the keyword |
---|
| 533 | * is not specified then returns generic help, ussually contianing |
---|
| 534 | * A list of keywords that help is available on. This function |
---|
| 535 | * returns the results back to the user. It is up to the user to |
---|
| 536 | * handle the returned data. If an error occurs then false is |
---|
| 537 | * returned with $this->error set appropiately. |
---|
| 538 | * |
---|
| 539 | * Implements rfc 821: HELP [ <SP> <string> ] <CRLF> |
---|
| 540 | * |
---|
| 541 | * SMTP CODE SUCCESS: 211,214 |
---|
| 542 | * SMTP CODE ERROR : 500,501,502,504,421 |
---|
| 543 | * @access public |
---|
| 544 | * @return string |
---|
| 545 | */ |
---|
| 546 | function Help($keyword="") { |
---|
| 547 | $this->error = null; # to avoid confusion |
---|
| 548 | |
---|
| 549 | if(!$this->connected()) { |
---|
| 550 | $this->error = array( |
---|
| 551 | "error" => "Called Help() without being connected"); |
---|
| 552 | return false; |
---|
| 553 | } |
---|
| 554 | |
---|
| 555 | $extra = ""; |
---|
| 556 | if(!empty($keyword)) { |
---|
| 557 | $extra = " " . $keyword; |
---|
| 558 | } |
---|
| 559 | |
---|
| 560 | fputs($this->smtp_conn,"HELP" . $extra . $this->CRLF); |
---|
| 561 | |
---|
| 562 | $rply = $this->get_lines(); |
---|
| 563 | $code = substr($rply,0,3); |
---|
| 564 | |
---|
| 565 | if($this->do_debug >= 2) { |
---|
| 566 | echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply; |
---|
| 567 | } |
---|
| 568 | |
---|
| 569 | if($code != 211 && $code != 214) { |
---|
| 570 | $this->error = |
---|
| 571 | array("error" => "HELP not accepted from server", |
---|
| 572 | "smtp_code" => $code, |
---|
| 573 | "smtp_msg" => substr($rply,4)); |
---|
| 574 | if($this->do_debug >= 1) { |
---|
| 575 | echo "SMTP -> ERROR: " . $this->error["error"] . |
---|
| 576 | ": " . $rply . $this->CRLF; |
---|
| 577 | } |
---|
| 578 | return false; |
---|
| 579 | } |
---|
| 580 | |
---|
| 581 | return $rply; |
---|
| 582 | } |
---|
| 583 | |
---|
| 584 | /** |
---|
| 585 | * Starts a mail transaction from the email address specified in |
---|
| 586 | * $from. Returns true if successful or false otherwise. If True |
---|
| 587 | * the mail transaction is started and then one or more Recipient |
---|
| 588 | * commands may be called followed by a Data command. |
---|
| 589 | * |
---|
| 590 | * Implements rfc 821: MAIL <SP> FROM:<reverse-path> <CRLF> |
---|
| 591 | * |
---|
| 592 | * SMTP CODE SUCCESS: 250 |
---|
| 593 | * SMTP CODE SUCCESS: 552,451,452 |
---|
| 594 | * SMTP CODE SUCCESS: 500,501,421 |
---|
| 595 | * @access public |
---|
| 596 | * @return bool |
---|
| 597 | */ |
---|
| 598 | function Mail($from) { |
---|
| 599 | $this->error = null; # so no confusion is caused |
---|
| 600 | |
---|
| 601 | if(!$this->connected()) { |
---|
| 602 | $this->error = array( |
---|
| 603 | "error" => "Called Mail() without being connected"); |
---|
| 604 | return false; |
---|
| 605 | } |
---|
| 606 | |
---|
| 607 | fputs($this->smtp_conn,"MAIL FROM:<" . $from . ">" . $this->CRLF); |
---|
| 608 | |
---|
| 609 | $rply = $this->get_lines(); |
---|
| 610 | $code = substr($rply,0,3); |
---|
| 611 | |
---|
| 612 | if($this->do_debug >= 2) { |
---|
| 613 | echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply; |
---|
| 614 | } |
---|
| 615 | |
---|
| 616 | if($code != 250) { |
---|
| 617 | $this->error = |
---|
| 618 | array("error" => "MAIL not accepted from server", |
---|
| 619 | "smtp_code" => $code, |
---|
| 620 | "smtp_msg" => substr($rply,4)); |
---|
| 621 | if($this->do_debug >= 1) { |
---|
| 622 | echo "SMTP -> ERROR: " . $this->error["error"] . |
---|
| 623 | ": " . $rply . $this->CRLF; |
---|
| 624 | } |
---|
| 625 | return false; |
---|
| 626 | } |
---|
| 627 | return true; |
---|
| 628 | } |
---|
| 629 | |
---|
| 630 | /** |
---|
| 631 | * Sends the command NOOP to the SMTP server. |
---|
| 632 | * |
---|
| 633 | * Implements from rfc 821: NOOP <CRLF> |
---|
| 634 | * |
---|
| 635 | * SMTP CODE SUCCESS: 250 |
---|
| 636 | * SMTP CODE ERROR : 500, 421 |
---|
| 637 | * @access public |
---|
| 638 | * @return bool |
---|
| 639 | */ |
---|
| 640 | function Noop() { |
---|
| 641 | $this->error = null; # so no confusion is caused |
---|
| 642 | |
---|
| 643 | if(!$this->connected()) { |
---|
| 644 | $this->error = array( |
---|
| 645 | "error" => "Called Noop() without being connected"); |
---|
| 646 | return false; |
---|
| 647 | } |
---|
| 648 | |
---|
| 649 | fputs($this->smtp_conn,"NOOP" . $this->CRLF); |
---|
| 650 | |
---|
| 651 | $rply = $this->get_lines(); |
---|
| 652 | $code = substr($rply,0,3); |
---|
| 653 | |
---|
| 654 | if($this->do_debug >= 2) { |
---|
| 655 | echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply; |
---|
| 656 | } |
---|
| 657 | |
---|
| 658 | if($code != 250) { |
---|
| 659 | $this->error = |
---|
| 660 | array("error" => "NOOP not accepted from server", |
---|
| 661 | "smtp_code" => $code, |
---|
| 662 | "smtp_msg" => substr($rply,4)); |
---|
| 663 | if($this->do_debug >= 1) { |
---|
| 664 | echo "SMTP -> ERROR: " . $this->error["error"] . |
---|
| 665 | ": " . $rply . $this->CRLF; |
---|
| 666 | } |
---|
| 667 | return false; |
---|
| 668 | } |
---|
| 669 | return true; |
---|
| 670 | } |
---|
| 671 | |
---|
| 672 | /** |
---|
| 673 | * Sends the quit command to the server and then closes the socket |
---|
| 674 | * if there is no error or the $close_on_error argument is true. |
---|
| 675 | * |
---|
| 676 | * Implements from rfc 821: QUIT <CRLF> |
---|
| 677 | * |
---|
| 678 | * SMTP CODE SUCCESS: 221 |
---|
| 679 | * SMTP CODE ERROR : 500 |
---|
| 680 | * @access public |
---|
| 681 | * @return bool |
---|
| 682 | */ |
---|
| 683 | function Quit($close_on_error=true) { |
---|
| 684 | $this->error = null; # so there is no confusion |
---|
| 685 | |
---|
| 686 | if(!$this->connected()) { |
---|
| 687 | $this->error = array( |
---|
| 688 | "error" => "Called Quit() without being connected"); |
---|
| 689 | return false; |
---|
| 690 | } |
---|
| 691 | |
---|
| 692 | # send the quit command to the server |
---|
| 693 | fputs($this->smtp_conn,"quit" . $this->CRLF); |
---|
| 694 | |
---|
| 695 | # get any good-bye messages |
---|
| 696 | $byemsg = $this->get_lines(); |
---|
| 697 | |
---|
| 698 | if($this->do_debug >= 2) { |
---|
| 699 | echo "SMTP -> FROM SERVER:" . $this->CRLF . $byemsg; |
---|
| 700 | } |
---|
| 701 | |
---|
| 702 | $rval = true; |
---|
| 703 | $e = null; |
---|
| 704 | |
---|
| 705 | $code = substr($byemsg,0,3); |
---|
| 706 | if($code != 221) { |
---|
| 707 | # use e as a tmp var cause Close will overwrite $this->error |
---|
| 708 | $e = array("error" => "SMTP server rejected quit command", |
---|
| 709 | "smtp_code" => $code, |
---|
| 710 | "smtp_rply" => substr($byemsg,4)); |
---|
| 711 | $rval = false; |
---|
| 712 | if($this->do_debug >= 1) { |
---|
| 713 | echo "SMTP -> ERROR: " . $e["error"] . ": " . |
---|
| 714 | $byemsg . $this->CRLF; |
---|
| 715 | } |
---|
| 716 | } |
---|
| 717 | |
---|
| 718 | if(empty($e) || $close_on_error) { |
---|
| 719 | $this->Close(); |
---|
| 720 | } |
---|
| 721 | |
---|
| 722 | return $rval; |
---|
| 723 | } |
---|
| 724 | |
---|
| 725 | /** |
---|
| 726 | * Sends the command RCPT to the SMTP server with the TO: argument of $to. |
---|
| 727 | * Returns true if the recipient was accepted false if it was rejected. |
---|
| 728 | * |
---|
| 729 | * Implements from rfc 821: RCPT <SP> TO:<forward-path> <CRLF> |
---|
| 730 | * |
---|
| 731 | * SMTP CODE SUCCESS: 250,251 |
---|
| 732 | * SMTP CODE FAILURE: 550,551,552,553,450,451,452 |
---|
| 733 | * SMTP CODE ERROR : 500,501,503,421 |
---|
| 734 | * @access public |
---|
| 735 | * @return bool |
---|
| 736 | */ |
---|
| 737 | function Recipient($to) { |
---|
| 738 | $this->error = null; # so no confusion is caused |
---|
| 739 | |
---|
| 740 | if(!$this->connected()) { |
---|
| 741 | $this->error = array( |
---|
| 742 | "error" => "Called Recipient() without being connected"); |
---|
| 743 | return false; |
---|
| 744 | } |
---|
| 745 | |
---|
| 746 | fputs($this->smtp_conn,"RCPT TO:<" . $to . ">" . $this->CRLF); |
---|
| 747 | |
---|
| 748 | $rply = $this->get_lines(); |
---|
| 749 | $code = substr($rply,0,3); |
---|
| 750 | |
---|
| 751 | if($this->do_debug >= 2) { |
---|
| 752 | echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply; |
---|
| 753 | } |
---|
| 754 | |
---|
| 755 | if($code != 250 && $code != 251) { |
---|
| 756 | $this->error = |
---|
| 757 | array("error" => "RCPT not accepted from server", |
---|
| 758 | "smtp_code" => $code, |
---|
| 759 | "smtp_msg" => substr($rply,4)); |
---|
| 760 | if($this->do_debug >= 1) { |
---|
| 761 | echo "SMTP -> ERROR: " . $this->error["error"] . |
---|
| 762 | ": " . $rply . $this->CRLF; |
---|
| 763 | } |
---|
| 764 | return false; |
---|
| 765 | } |
---|
| 766 | return true; |
---|
| 767 | } |
---|
| 768 | |
---|
| 769 | /** |
---|
| 770 | * Sends the RSET command to abort and transaction that is |
---|
| 771 | * currently in progress. Returns true if successful false |
---|
| 772 | * otherwise. |
---|
| 773 | * |
---|
| 774 | * Implements rfc 821: RSET <CRLF> |
---|
| 775 | * |
---|
| 776 | * SMTP CODE SUCCESS: 250 |
---|
| 777 | * SMTP CODE ERROR : 500,501,504,421 |
---|
| 778 | * @access public |
---|
| 779 | * @return bool |
---|
| 780 | */ |
---|
| 781 | function Reset() { |
---|
| 782 | $this->error = null; # so no confusion is caused |
---|
| 783 | |
---|
| 784 | if(!$this->connected()) { |
---|
| 785 | $this->error = array( |
---|
| 786 | "error" => "Called Reset() without being connected"); |
---|
| 787 | return false; |
---|
| 788 | } |
---|
| 789 | |
---|
| 790 | fputs($this->smtp_conn,"RSET" . $this->CRLF); |
---|
| 791 | |
---|
| 792 | $rply = $this->get_lines(); |
---|
| 793 | $code = substr($rply,0,3); |
---|
| 794 | |
---|
| 795 | if($this->do_debug >= 2) { |
---|
| 796 | echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply; |
---|
| 797 | } |
---|
| 798 | |
---|
| 799 | if($code != 250) { |
---|
| 800 | $this->error = |
---|
| 801 | array("error" => "RSET failed", |
---|
| 802 | "smtp_code" => $code, |
---|
| 803 | "smtp_msg" => substr($rply,4)); |
---|
| 804 | if($this->do_debug >= 1) { |
---|
| 805 | echo "SMTP -> ERROR: " . $this->error["error"] . |
---|
| 806 | ": " . $rply . $this->CRLF; |
---|
| 807 | } |
---|
| 808 | return false; |
---|
| 809 | } |
---|
| 810 | |
---|
| 811 | return true; |
---|
| 812 | } |
---|
| 813 | |
---|
| 814 | /** |
---|
| 815 | * Starts a mail transaction from the email address specified in |
---|
| 816 | * $from. Returns true if successful or false otherwise. If True |
---|
| 817 | * the mail transaction is started and then one or more Recipient |
---|
| 818 | * commands may be called followed by a Data command. This command |
---|
| 819 | * will send the message to the users terminal if they are logged |
---|
| 820 | * in. |
---|
| 821 | * |
---|
| 822 | * Implements rfc 821: SEND <SP> FROM:<reverse-path> <CRLF> |
---|
| 823 | * |
---|
| 824 | * SMTP CODE SUCCESS: 250 |
---|
| 825 | * SMTP CODE SUCCESS: 552,451,452 |
---|
| 826 | * SMTP CODE SUCCESS: 500,501,502,421 |
---|
| 827 | * @access public |
---|
| 828 | * @return bool |
---|
| 829 | */ |
---|
| 830 | function Send($from) { |
---|
| 831 | $this->error = null; # so no confusion is caused |
---|
| 832 | |
---|
| 833 | if(!$this->connected()) { |
---|
| 834 | $this->error = array( |
---|
| 835 | "error" => "Called Send() without being connected"); |
---|
| 836 | return false; |
---|
| 837 | } |
---|
| 838 | |
---|
| 839 | fputs($this->smtp_conn,"SEND FROM:" . $from . $this->CRLF); |
---|
| 840 | |
---|
| 841 | $rply = $this->get_lines(); |
---|
| 842 | $code = substr($rply,0,3); |
---|
| 843 | |
---|
| 844 | if($this->do_debug >= 2) { |
---|
| 845 | echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply; |
---|
| 846 | } |
---|
| 847 | |
---|
| 848 | if($code != 250) { |
---|
| 849 | $this->error = |
---|
| 850 | array("error" => "SEND not accepted from server", |
---|
| 851 | "smtp_code" => $code, |
---|
| 852 | "smtp_msg" => substr($rply,4)); |
---|
| 853 | if($this->do_debug >= 1) { |
---|
| 854 | echo "SMTP -> ERROR: " . $this->error["error"] . |
---|
| 855 | ": " . $rply . $this->CRLF; |
---|
| 856 | } |
---|
| 857 | return false; |
---|
| 858 | } |
---|
| 859 | return true; |
---|
| 860 | } |
---|
| 861 | |
---|
| 862 | /** |
---|
| 863 | * Starts a mail transaction from the email address specified in |
---|
| 864 | * $from. Returns true if successful or false otherwise. If True |
---|
| 865 | * the mail transaction is started and then one or more Recipient |
---|
| 866 | * commands may be called followed by a Data command. This command |
---|
| 867 | * will send the message to the users terminal if they are logged |
---|
| 868 | * in and send them an email. |
---|
| 869 | * |
---|
| 870 | * Implements rfc 821: SAML <SP> FROM:<reverse-path> <CRLF> |
---|
| 871 | * |
---|
| 872 | * SMTP CODE SUCCESS: 250 |
---|
| 873 | * SMTP CODE SUCCESS: 552,451,452 |
---|
| 874 | * SMTP CODE SUCCESS: 500,501,502,421 |
---|
| 875 | * @access public |
---|
| 876 | * @return bool |
---|
| 877 | */ |
---|
| 878 | function SendAndMail($from) { |
---|
| 879 | $this->error = null; # so no confusion is caused |
---|
| 880 | |
---|
| 881 | if(!$this->connected()) { |
---|
| 882 | $this->error = array( |
---|
| 883 | "error" => "Called SendAndMail() without being connected"); |
---|
| 884 | return false; |
---|
| 885 | } |
---|
| 886 | |
---|
| 887 | fputs($this->smtp_conn,"SAML FROM:" . $from . $this->CRLF); |
---|
| 888 | |
---|
| 889 | $rply = $this->get_lines(); |
---|
| 890 | $code = substr($rply,0,3); |
---|
| 891 | |
---|
| 892 | if($this->do_debug >= 2) { |
---|
| 893 | echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply; |
---|
| 894 | } |
---|
| 895 | |
---|
| 896 | if($code != 250) { |
---|
| 897 | $this->error = |
---|
| 898 | array("error" => "SAML not accepted from server", |
---|
| 899 | "smtp_code" => $code, |
---|
| 900 | "smtp_msg" => substr($rply,4)); |
---|
| 901 | if($this->do_debug >= 1) { |
---|
| 902 | echo "SMTP -> ERROR: " . $this->error["error"] . |
---|
| 903 | ": " . $rply . $this->CRLF; |
---|
| 904 | } |
---|
| 905 | return false; |
---|
| 906 | } |
---|
| 907 | return true; |
---|
| 908 | } |
---|
| 909 | |
---|
| 910 | /** |
---|
| 911 | * Starts a mail transaction from the email address specified in |
---|
| 912 | * $from. Returns true if successful or false otherwise. If True |
---|
| 913 | * the mail transaction is started and then one or more Recipient |
---|
| 914 | * commands may be called followed by a Data command. This command |
---|
| 915 | * will send the message to the users terminal if they are logged |
---|
| 916 | * in or mail it to them if they are not. |
---|
| 917 | * |
---|
| 918 | * Implements rfc 821: SOML <SP> FROM:<reverse-path> <CRLF> |
---|
| 919 | * |
---|
| 920 | * SMTP CODE SUCCESS: 250 |
---|
| 921 | * SMTP CODE SUCCESS: 552,451,452 |
---|
| 922 | * SMTP CODE SUCCESS: 500,501,502,421 |
---|
| 923 | * @access public |
---|
| 924 | * @return bool |
---|
| 925 | */ |
---|
| 926 | function SendOrMail($from) { |
---|
| 927 | $this->error = null; # so no confusion is caused |
---|
| 928 | |
---|
| 929 | if(!$this->connected()) { |
---|
| 930 | $this->error = array( |
---|
| 931 | "error" => "Called SendOrMail() without being connected"); |
---|
| 932 | return false; |
---|
| 933 | } |
---|
| 934 | |
---|
| 935 | fputs($this->smtp_conn,"SOML FROM:" . $from . $this->CRLF); |
---|
| 936 | |
---|
| 937 | $rply = $this->get_lines(); |
---|
| 938 | $code = substr($rply,0,3); |
---|
| 939 | |
---|
| 940 | if($this->do_debug >= 2) { |
---|
| 941 | echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply; |
---|
| 942 | } |
---|
| 943 | |
---|
| 944 | if($code != 250) { |
---|
| 945 | $this->error = |
---|
| 946 | array("error" => "SOML not accepted from server", |
---|
| 947 | "smtp_code" => $code, |
---|
| 948 | "smtp_msg" => substr($rply,4)); |
---|
| 949 | if($this->do_debug >= 1) { |
---|
| 950 | echo "SMTP -> ERROR: " . $this->error["error"] . |
---|
| 951 | ": " . $rply . $this->CRLF; |
---|
| 952 | } |
---|
| 953 | return false; |
---|
| 954 | } |
---|
| 955 | return true; |
---|
| 956 | } |
---|
| 957 | |
---|
| 958 | /** |
---|
| 959 | * This is an optional command for SMTP that this class does not |
---|
| 960 | * support. This method is here to make the RFC821 Definition |
---|
| 961 | * complete for this class and __may__ be implimented in the future |
---|
| 962 | * |
---|
| 963 | * Implements from rfc 821: TURN <CRLF> |
---|
| 964 | * |
---|
| 965 | * SMTP CODE SUCCESS: 250 |
---|
| 966 | * SMTP CODE FAILURE: 502 |
---|
| 967 | * SMTP CODE ERROR : 500, 503 |
---|
| 968 | * @access public |
---|
| 969 | * @return bool |
---|
| 970 | */ |
---|
| 971 | function Turn() { |
---|
| 972 | $this->error = array("error" => "This method, TURN, of the SMTP ". |
---|
| 973 | "is not implemented"); |
---|
| 974 | if($this->do_debug >= 1) { |
---|
| 975 | echo "SMTP -> NOTICE: " . $this->error["error"] . $this->CRLF; |
---|
| 976 | } |
---|
| 977 | return false; |
---|
| 978 | } |
---|
| 979 | |
---|
| 980 | /** |
---|
| 981 | * Verifies that the name is recognized by the server. |
---|
| 982 | * Returns false if the name could not be verified otherwise |
---|
| 983 | * the response from the server is returned. |
---|
| 984 | * |
---|
| 985 | * Implements rfc 821: VRFY <SP> <string> <CRLF> |
---|
| 986 | * |
---|
| 987 | * SMTP CODE SUCCESS: 250,251 |
---|
| 988 | * SMTP CODE FAILURE: 550,551,553 |
---|
| 989 | * SMTP CODE ERROR : 500,501,502,421 |
---|
| 990 | * @access public |
---|
| 991 | * @return int |
---|
| 992 | */ |
---|
| 993 | function Verify($name) { |
---|
| 994 | $this->error = null; # so no confusion is caused |
---|
| 995 | |
---|
| 996 | if(!$this->connected()) { |
---|
| 997 | $this->error = array( |
---|
| 998 | "error" => "Called Verify() without being connected"); |
---|
| 999 | return false; |
---|
| 1000 | } |
---|
| 1001 | |
---|
| 1002 | fputs($this->smtp_conn,"VRFY " . $name . $this->CRLF); |
---|
| 1003 | |
---|
| 1004 | $rply = $this->get_lines(); |
---|
| 1005 | $code = substr($rply,0,3); |
---|
| 1006 | |
---|
| 1007 | if($this->do_debug >= 2) { |
---|
| 1008 | echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply; |
---|
| 1009 | } |
---|
| 1010 | |
---|
| 1011 | if($code != 250 && $code != 251) { |
---|
| 1012 | $this->error = |
---|
| 1013 | array("error" => "VRFY failed on name '$name'", |
---|
| 1014 | "smtp_code" => $code, |
---|
| 1015 | "smtp_msg" => substr($rply,4)); |
---|
| 1016 | if($this->do_debug >= 1) { |
---|
| 1017 | echo "SMTP -> ERROR: " . $this->error["error"] . |
---|
| 1018 | ": " . $rply . $this->CRLF; |
---|
| 1019 | } |
---|
| 1020 | return false; |
---|
| 1021 | } |
---|
| 1022 | return $rply; |
---|
| 1023 | } |
---|
| 1024 | |
---|
| 1025 | /******************************************************************* |
---|
| 1026 | * INTERNAL FUNCTIONS * |
---|
| 1027 | ******************************************************************/ |
---|
| 1028 | |
---|
| 1029 | /** |
---|
| 1030 | * Read in as many lines as possible |
---|
| 1031 | * either before eof or socket timeout occurs on the operation. |
---|
| 1032 | * With SMTP we can tell if we have more lines to read if the |
---|
| 1033 | * 4th character is '-' symbol. If it is a space then we don't |
---|
| 1034 | * need to read anything else. |
---|
| 1035 | * @access private |
---|
| 1036 | * @return string |
---|
| 1037 | */ |
---|
| 1038 | function get_lines() { |
---|
| 1039 | $data = ""; |
---|
| 1040 | while($str = fgets($this->smtp_conn,515)) { |
---|
| 1041 | if($this->do_debug >= 4) { |
---|
| 1042 | echo "SMTP -> get_lines(): \$data was \"$data\"" . |
---|
| 1043 | $this->CRLF; |
---|
| 1044 | echo "SMTP -> get_lines(): \$str is \"$str\"" . |
---|
| 1045 | $this->CRLF; |
---|
| 1046 | } |
---|
| 1047 | $data .= $str; |
---|
| 1048 | if($this->do_debug >= 4) { |
---|
| 1049 | echo "SMTP -> get_lines(): \$data is \"$data\"" . $this->CRLF; |
---|
| 1050 | } |
---|
| 1051 | # if the 4th character is a space then we are done reading |
---|
| 1052 | # so just break the loop |
---|
| 1053 | if(substr($str,3,1) == " ") { break; } |
---|
| 1054 | } |
---|
| 1055 | return $data; |
---|
| 1056 | } |
---|
| 1057 | |
---|
| 1058 | } |
---|
| 1059 | |
---|
| 1060 | |
---|
| 1061 | ?> |
---|