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