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@@ -0,0 +1,671 @@
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+<?
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+
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+/*
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+ class.POP3.php3 v1.0 99/03/24 CDI cdi@thewebmasters.net
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+ Copyright (c) 1999 - CDI (cdi@thewebmasters.net) All Rights Reserved
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+ Modified by Philippe Mingo 2001 mingo@rotedic.com
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+ An RFC 1939 compliant wrapper class for the POP3 protocol.
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+*/
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+
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+class POP3 {
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+ var $ERROR = ""; // Error string.
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+
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+ var $TIMEOUT = 60; // Default timeout before giving up on a
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+ // network operation.
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+
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+ var $COUNT = -1; // Mailbox msg count
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+
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+ var $BUFFER = 512; // Socket buffer for socket fgets() calls.
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+ // Per RFC 1939 the returned line a POP3
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+ // server can send is 512 bytes.
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+
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+ var $FP = ""; // The connection to the server's
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+ // file descriptor
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+
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+ var $MAILSERVER = ""; // Set this to hard code the server name
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+
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+ var $DEBUG = false; // set to true to echo pop3
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+ // commands and responses to error_log
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+ // this WILL log passwords!
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+
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+ var $BANNER = ""; // Holds the banner returned by the
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+ // pop server - used for apop()
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+
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+ var $RFC1939 = true; // Set by noop(). See rfc1939.txt
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+ //
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+
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+ var $ALLOWAPOP = false; // Allow or disallow apop()
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+ // This must be set to true
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+ // manually
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+
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+ function POP3 ( $server = "", $timeout = "" ) {
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+ settype($this->BUFFER,"integer");
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+ if( !empty($server) ) {
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+ // Do not allow programs to alter MAILSERVER
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+ // if it is already specified. They can get around
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+ // this if they -really- want to, so don't count on it.
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+ if(empty($this->MAILSERVER))
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+ $this->MAILSERVER = $server;
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+ }
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+ if(!empty($timeout)) {
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+ settype($timeout,"integer");
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+ $this->TIMEOUT = $timeout;
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+ set_time_limit($timeout);
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+ }
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+ return true;
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+ }
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+
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+ function update_timer () {
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+ set_time_limit($this->TIMEOUT);
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+ return true;
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+ }
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+
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+ function connect ($server, $port = 110) {
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+ // Opens a socket to the specified server. Unless overridden,
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+ // port defaults to 110. Returns true on success, false on fail
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+
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+ // If MAILSERVER is set, override $server with it's value
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+
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+ if(!empty($this->MAILSERVER))
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+ $server = $this->MAILSERVER;
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+
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+ if(empty($server)){
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+ $this->ERROR = _("POP3 connect:") . ' ' . _("No server specified");
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+ unset($this->FP);
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+ return false;
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+ }
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+
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+ $fp = fsockopen("$server", $port, $errno, $errstr);
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+
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+ if(!$fp) {
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+ $this->ERROR = _("POP3 connect:") . ' ' . _("Error ") . "[$errno] [$errstr]";
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+ unset($this->FP);
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+ return false;
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+ }
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+
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+ socket_set_blocking($fp,-1);
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+ $this->update_timer();
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+ $reply = fgets($fp,$this->BUFFER);
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+ $reply = $this->strip_clf($reply);
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+ if($this->DEBUG)
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+ error_log("POP3 SEND [connect: $server] GOT [$reply]",0);
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+ if(!$this->is_ok($reply)) {
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+ $this->ERROR = _("POP3 connect:") . ' ' . _("Error ") . "[$reply]";
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+ unset($this->FP);
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+ return false;
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+ }
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+ $this->FP = $fp;
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+ $this->BANNER = $this->parse_banner($reply);
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+ $this->RFC1939 = $this->noop();
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+ if($this->RFC1939) {
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+ $this->ERROR = _("POP3: premature NOOP OK, NOT an RFC 1939 Compliant server");
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+ $this->quit();
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+ return false;
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+ } else
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+ return true;
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+ }
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+
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+ function noop () {
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+
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+ if(!isset($this->FP)) {
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+ $this->ERROR = _("POP3 noop:") . ' ' . _("No connection to server");
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+ return false;
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+ } else {
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+ $cmd = "NOOP";
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+ $reply = $this->send_cmd( $cmd );
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+ return( $this->is_ok( $reply ) );
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+ }
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+ }
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+
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+ function user ($user = "") {
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+ // Sends the USER command, returns true or false
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+
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+ if( empty($user) ) {
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+ $this->ERROR = _("POP3 user:") . ' ' . _("no login ID submitted");
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+ return false;
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+ } elseif(!isset($this->FP)) {
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+ $this->ERROR = _("POP3 user:") . ' ' . _("connection not established");
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+ return false;
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+ } else {
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+ $reply = $this->send_cmd("USER $user");
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+ if(!$this->is_ok($reply)) {
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+ $this->ERROR = _("POP3 user:") . ' ' . _("Error ") . "[$reply]";
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+ return false;
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+ } else
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+ return true;
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+ }
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+ }
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+
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+ function pass ($pass = "") {
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+ // Sends the PASS command, returns # of msgs in mailbox,
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+ // returns false (undef) on Auth failure
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+
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+ if(empty($pass)) {
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+ $this->ERROR = _("POP3 pass:") . ' ' . _("No password submitted");
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+ return false;
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+ } elseif(!isset($this->FP)) {
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+ $this->ERROR = _("POP3 pass:") . ' ' . _("connection not established");
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+ return false;
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+ } else {
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+ $reply = $this->send_cmd("PASS $pass");
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+ if(!$this->is_ok($reply)) {
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+ $this->ERROR = _("POP3 pass:") . ' ' . _("authentication failed ") . "[$reply]";
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+ $this->quit();
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+ return false;
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+ } else {
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+ // Auth successful.
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+ $count = $this->last("count");
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+ $this->COUNT = $count;
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+ $this->RFC1939 = $this->noop();
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+ if(!$this->RFC1939) {
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+ $this->ERROR = _("POP3 pass:") . ' ' . _("NOOP failed. Server not RFC 1939 compliant");
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+ $this->quit();
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+ return false;
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+ } else
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+ return $count;
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+ }
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+ }
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+ }
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+
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+ function apop ($login,$pass) {
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+ // Attempts an APOP login. If this fails, it'll
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+ // try a standard login. YOUR SERVER MUST SUPPORT
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+ // THE USE OF THE APOP COMMAND!
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+ // (apop is optional per rfc1939)
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+
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+ if(!isset($this->FP)) {
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+ $this->ERROR = _("POP3 apop:") . ' ' . _("No connection to server");
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+ return false;
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+ } elseif(!$this->ALLOWAPOP) {
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+ $retVal = $this->login($login,$pass);
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+ return $retVal;
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+ } elseif(empty($login)) {
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+ $this->ERROR = _("POP3 apop:") . ' ' . _("No login ID submitted");
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+ return false;
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+ } elseif(empty($pass)) {
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+ $this->ERROR = _("POP3 apop:") . ' ' . _("No password submitted");
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+ return false;
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+ } else {
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+ $banner = $this->BANNER;
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+ if( (!$banner) or (empty($banner)) ) {
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+ $this->ERROR = _("POP3 apop:") . ' ' . _("No server banner") . ' - ' . _("abort");
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+ $retVal = $this->login($login,$pass);
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+ return $retVal;
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+ } else {
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+ $AuthString = $banner;
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+ $AuthString .= $pass;
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+ $APOPString = md5($AuthString);
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+ $cmd = "APOP $login $APOPString";
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+ $reply = $this->send_cmd($cmd);
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+ if(!$this->is_ok($reply)) {
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+ $this->ERROR = _("POP3 apop:") . ' ' . _("apop authentication failed") . ' - ' . _("abort");
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+ $retVal = $this->login($login,$pass);
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+ return $retVal;
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+ } else {
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+ // Auth successful.
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+ $count = $this->last("count");
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+ $this->COUNT = $count;
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+ $this->RFC1939 = $this->noop();
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+ if(!$this->RFC1939) {
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+ $this->ERROR = _("POP3 apop:") . ' ' . _("NOOP failed. Server not RFC 1939 compliant");
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+ $this->quit();
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+ return false;
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+ } else
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+ return $count;
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+ }
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+ }
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+ }
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+ }
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+
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+ function login ($login = "", $pass = "") {
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+ // Sends both user and pass. Returns # of msgs in mailbox or
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+ // false on failure (or -1, if the error occurs while getting
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+ // the number of messages.)
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+
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+ if( !isset($this->FP) ) {
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+ $this->ERROR = _("POP3 login:") . ' ' . _("No connection to server");
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+ return false;
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+ } else {
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+ $fp = $this->FP;
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+ if( !$this->user( $login ) ) {
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+ // Preserve the error generated by user()
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+ return false;
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+ } else {
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+ $count = $this->pass($pass);
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+ if( (!$count) || ($count == -1) ) {
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+ // Preserve the error generated by last() and pass()
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+ return false;
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+ } else
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+ return $count;
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+ }
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+ }
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+ }
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+
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+ function top ($msgNum, $numLines = "0") {
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+ // Gets the header and first $numLines of the msg body
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+ // returns data in an array with each returned line being
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+ // an array element. If $numLines is empty, returns
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+ // only the header information, and none of the body.
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+
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+ if(!isset($this->FP)) {
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+ $this->ERROR = _("POP3 top:") . ' ' . _("No connection to server");
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+ return false;
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+ }
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+ $this->update_timer();
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+
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+ $fp = $this->FP;
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+ $buffer = $this->BUFFER;
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+ $cmd = "TOP $msgNum $numLines";
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+ fwrite($fp, "TOP $msgNum $numLines\r\n");
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+ $reply = fgets($fp, $buffer);
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+ $reply = $this->strip_clf($reply);
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+ if($this->DEBUG) {
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+ @error_log("POP3 SEND [$cmd] GOT [$reply]",0);
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+ }
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+ if(!$this->is_ok($reply))
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+ {
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+ $this->ERROR = _("POP3 top:") . ' ' . _("Error ") . "[$reply]";
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+ return false;
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+ }
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+
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+ $count = 0;
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+ $MsgArray = array();
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+
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+ $line = fgets($fp,$buffer);
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+ while ( !ereg("^\.\r\n",$line))
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+ {
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+ $MsgArray[$count] = $line;
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+ $count++;
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+ $line = fgets($fp,$buffer);
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+ if(empty($line)) { break; }
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+ }
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+
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+ return $MsgArray;
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+ }
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+
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+ function pop_list ($msgNum = "") {
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+ // If called with an argument, returns that msgs' size in octets
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+ // No argument returns an associative array of undeleted
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+ // msg numbers and their sizes in octets
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+
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+ if(!isset($this->FP))
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+ {
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+ $this->ERROR = _("POP3 pop_list:") . ' ' . _("No connection to server");
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+ return false;
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+ }
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+ $fp = $this->FP;
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+ $Total = $this->COUNT;
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+ if( (!$Total) or ($Total == -1) )
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+ {
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+ return false;
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+ }
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+ if($Total == 0)
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+ {
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+ return array("0","0");
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+ // return -1; // mailbox empty
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+ }
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+
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+ $this->update_timer();
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+
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+ if(!empty($msgNum))
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+ {
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+ $cmd = "LIST $msgNum";
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+ fwrite($fp,"$cmd\r\n");
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+ $reply = fgets($fp,$this->BUFFER);
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+ $reply = $this->strip_clf($reply);
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+ if($this->DEBUG) {
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+ @error_log("POP3 SEND [$cmd] GOT [$reply]",0);
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+ }
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+ if(!$this->is_ok($reply))
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+ {
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+ $this->ERROR = _("POP3 pop_list:") . ' ' . _("Error ") . "[$reply]";
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+ return false;
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+ }
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+ list($junk,$num,$size) = explode(" ",$reply);
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+ return $size;
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+ }
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+ $cmd = "LIST";
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+ $reply = $this->send_cmd($cmd);
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+ if(!$this->is_ok($reply))
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+ {
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+ $reply = $this->strip_clf($reply);
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+ $this->ERROR = _("POP3 pop_list:") . ' ' . _("Error ") . "[$reply]";
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+ return false;
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+ }
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+ $MsgArray = array();
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+ $MsgArray[0] = $Total;
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+ for($msgC=1;$msgC <= $Total; $msgC++)
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+ {
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+ if($msgC > $Total) { break; }
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+ $line = fgets($fp,$this->BUFFER);
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+ $line = $this->strip_clf($line);
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+ if(ereg("^\.",$line))
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+ {
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+ $this->ERROR = _("POP3 pop_list:") . ' ' . _("Premature end of list");
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+ return false;
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+ }
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+ list($thisMsg,$msgSize) = explode(" ",$line);
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+ settype($thisMsg,"integer");
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+ if($thisMsg != $msgC)
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+ {
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+ $MsgArray[$msgC] = "deleted";
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+ }
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+ else
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+ {
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+ $MsgArray[$msgC] = $msgSize;
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+ }
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+ }
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+ return $MsgArray;
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+ }
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+
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+ function get ($msgNum) {
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+ // Retrieve the specified msg number. Returns an array
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+ // where each line of the msg is an array element.
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+
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+ if(!isset($this->FP))
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+ {
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+ $this->ERROR = _("POP3 get:") . ' ' . _("No connection to server");
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+ return false;
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+ }
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+
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+ $this->update_timer();
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+
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+ $fp = $this->FP;
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+ $buffer = $this->BUFFER;
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+ $cmd = "RETR $msgNum";
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+ $reply = $this->send_cmd($cmd);
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+
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+ if(!$this->is_ok($reply))
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+ {
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+ $this->ERROR = _("POP3 get:") . ' ' . _("Error ") . "[$reply]";
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+ return false;
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+ }
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+
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+ $count = 0;
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+ $MsgArray = array();
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+
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+ $line = fgets($fp,$buffer);
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+ while ( !ereg("^\.\r\n",$line))
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+ {
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+ $MsgArray[$count] = $line;
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+ $count++;
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+ $line = fgets($fp,$buffer);
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+ if(empty($line)) { break; }
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+ }
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+ return $MsgArray;
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+ }
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+
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+ function last ( $type = "count" ) {
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+ // Returns the highest msg number in the mailbox.
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+ // returns -1 on error, 0+ on success, if type != count
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+ // results in a popstat() call (2 element array returned)
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+
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+ $last = -1;
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+ if(!isset($this->FP))
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+ {
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+ $this->ERROR = _("POP3 last:") . ' ' . _("No connection to server");
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+ return $last;
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+ }
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+
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+ $reply = $this->send_cmd("STAT");
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+ if(!$this->is_ok($reply))
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+ {
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+ $this->ERROR = _("POP3 last:") . ' ' . _("Error ") . "[$reply]";
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|
|
+ return $last;
|
|
|
+ }
|
|
|
+
|
|
|
+ $Vars = explode(" ",$reply);
|
|
|
+ $count = $Vars[1];
|
|
|
+ $size = $Vars[2];
|
|
|
+ settype($count,"integer");
|
|
|
+ settype($size,"integer");
|
|
|
+ if($type != "count")
|
|
|
+ {
|
|
|
+ return array($count,$size);
|
|
|
+ }
|
|
|
+ return $count;
|
|
|
+ }
|
|
|
+
|
|
|
+ function reset () {
|
|
|
+ // Resets the status of the remote server. This includes
|
|
|
+ // resetting the status of ALL msgs to not be deleted.
|
|
|
+ // This method automatically closes the connection to the server.
|
|
|
+
|
|
|
+ if(!isset($this->FP))
|
|
|
+ {
|
|
|
+ $this->ERROR = _("POP3 reset:") . ' ' . _("No connection to server");
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+ $reply = $this->send_cmd("RSET");
|
|
|
+ if(!$this->is_ok($reply))
|
|
|
+ {
|
|
|
+ // The POP3 RSET command -never- gives a -ERR
|
|
|
+ // response - if it ever does, something truely
|
|
|
+ // wild is going on.
|
|
|
+
|
|
|
+ $this->ERROR = _("POP3 reset:") . ' ' . _("Error ") . "[$reply]";
|
|
|
+ @error_log("POP3 reset: ERROR [$reply]",0);
|
|
|
+ }
|
|
|
+ $this->quit();
|
|
|
+ return true;
|
|
|
+ }
|
|
|
+
|
|
|
+ function send_cmd ( $cmd = "" )
|
|
|
+ {
|
|
|
+ // Sends a user defined command string to the
|
|
|
+ // POP server and returns the results. Useful for
|
|
|
+ // non-compliant or custom POP servers.
|
|
|
+ // Do NOT includ the \r\n as part of your command
|
|
|
+ // string - it will be appended automatically.
|
|
|
+
|
|
|
+ // The return value is a standard fgets() call, which
|
|
|
+ // will read up to $this->BUFFER bytes of data, until it
|
|
|
+ // encounters a new line, or EOF, whichever happens first.
|
|
|
+
|
|
|
+ // This method works best if $cmd responds with only
|
|
|
+ // one line of data.
|
|
|
+
|
|
|
+ if(!isset($this->FP))
|
|
|
+ {
|
|
|
+ $this->ERROR = _("POP3 send_cmd:") . ' ' . _("No connection to server");
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+
|
|
|
+ if(empty($cmd))
|
|
|
+ {
|
|
|
+ $this->ERROR = _("POP3 send_cmd:") . ' ' . _("Empty command string");
|
|
|
+ return "";
|
|
|
+ }
|
|
|
+
|
|
|
+ $fp = $this->FP;
|
|
|
+ $buffer = $this->BUFFER;
|
|
|
+ $this->update_timer();
|
|
|
+ fwrite($fp,"$cmd\r\n");
|
|
|
+ $reply = fgets($fp,$buffer);
|
|
|
+ $reply = $this->strip_clf($reply);
|
|
|
+ if($this->DEBUG) { @error_log("POP3 SEND [$cmd] GOT [$reply]",0); }
|
|
|
+ return $reply;
|
|
|
+ }
|
|
|
+
|
|
|
+ function quit() {
|
|
|
+ // Closes the connection to the POP3 server, deleting
|
|
|
+ // any msgs marked as deleted.
|
|
|
+
|
|
|
+ if(!isset($this->FP))
|
|
|
+ {
|
|
|
+ $this->ERROR = _("POP3 quit:") . ' ' . _("connection does not exist");
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+ $fp = $this->FP;
|
|
|
+ $cmd = "QUIT";
|
|
|
+ fwrite($fp,"$cmd\r\n");
|
|
|
+ $reply = fgets($fp,$this->BUFFER);
|
|
|
+ $reply = $this->strip_clf($reply);
|
|
|
+ if($this->DEBUG) { @error_log("POP3 SEND [$cmd] GOT [$reply]",0); }
|
|
|
+ fclose($fp);
|
|
|
+ unset($this->FP);
|
|
|
+ return true;
|
|
|
+ }
|
|
|
+
|
|
|
+ function popstat () {
|
|
|
+ // Returns an array of 2 elements. The number of undeleted
|
|
|
+ // msgs in the mailbox, and the size of the mbox in octets.
|
|
|
+
|
|
|
+ $PopArray = $this->last("array");
|
|
|
+
|
|
|
+ if($PopArray == -1) { return false; }
|
|
|
+
|
|
|
+ if( (!$PopArray) or (empty($PopArray)) )
|
|
|
+ {
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+ return $PopArray;
|
|
|
+ }
|
|
|
+
|
|
|
+ function uidl ($msgNum = "")
|
|
|
+ {
|
|
|
+ // Returns the UIDL of the msg specified. If called with
|
|
|
+ // no arguments, returns an associative array where each
|
|
|
+ // undeleted msg num is a key, and the msg's uidl is the element
|
|
|
+ // Array element 0 will contain the total number of msgs
|
|
|
+
|
|
|
+ if(!isset($this->FP)) {
|
|
|
+ $this->ERROR = _("POP3 uidl:") . ' ' . _("No connection to server");
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+
|
|
|
+ $fp = $this->FP;
|
|
|
+ $buffer = $this->BUFFER;
|
|
|
+
|
|
|
+ if(!empty($msgNum)) {
|
|
|
+ $cmd = "UIDL $msgNum";
|
|
|
+ $reply = $this->send_cmd($cmd);
|
|
|
+ if(!$this->is_ok($reply))
|
|
|
+ {
|
|
|
+ $this->ERROR = _("POP3 uidl:") . ' ' . _("Error ") . "[$reply]";
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+ list ($ok,$num,$myUidl) = explode(" ",$reply);
|
|
|
+ return $myUidl;
|
|
|
+ } else {
|
|
|
+ $this->update_timer();
|
|
|
+
|
|
|
+ $UIDLArray = array();
|
|
|
+ $Total = $this->COUNT;
|
|
|
+ $UIDLArray[0] = $Total;
|
|
|
+
|
|
|
+ if ($Total < 1)
|
|
|
+ {
|
|
|
+ return $UIDLArray;
|
|
|
+ }
|
|
|
+ $cmd = "UIDL";
|
|
|
+ fwrite($fp, "UIDL\r\n");
|
|
|
+ $reply = fgets($fp, $buffer);
|
|
|
+ $reply = $this->strip_clf($reply);
|
|
|
+ if($this->DEBUG) { @error_log("POP3 SEND [$cmd] GOT [$reply]",0); }
|
|
|
+ if(!$this->is_ok($reply))
|
|
|
+ {
|
|
|
+ $this->ERROR = _("POP3 uidl:") . ' ' . _("Error ") . "[$reply]";
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+
|
|
|
+ $line = "";
|
|
|
+ $count = 1;
|
|
|
+ $line = fgets($fp,$buffer);
|
|
|
+ while ( !ereg("^\.\r\n",$line)) {
|
|
|
+ if(ereg("^\.\r\n",$line)) {
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ list ($msg,$msgUidl) = explode(" ",$line);
|
|
|
+ $msgUidl = $this->strip_clf($msgUidl);
|
|
|
+ if($count == $msg) {
|
|
|
+ $UIDLArray[$msg] = $msgUidl;
|
|
|
+ }
|
|
|
+ else
|
|
|
+ {
|
|
|
+ $UIDLArray[$count] = "deleted";
|
|
|
+ }
|
|
|
+ $count++;
|
|
|
+ $line = fgets($fp,$buffer);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ return $UIDLArray;
|
|
|
+ }
|
|
|
+
|
|
|
+ function delete ($msgNum = "") {
|
|
|
+ // Flags a specified msg as deleted. The msg will not
|
|
|
+ // be deleted until a quit() method is called.
|
|
|
+
|
|
|
+ if(!isset($this->FP))
|
|
|
+ {
|
|
|
+ $this->ERROR = _("POP3 delete:") . ' ' . _("No connection to server");
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+ if(empty($msgNum))
|
|
|
+ {
|
|
|
+ $this->ERROR = _("POP3 delete:") . ' ' . _("No msg number submitted");
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+ $reply = $this->send_cmd("DELE $msgNum");
|
|
|
+ if(!$this->is_ok($reply))
|
|
|
+ {
|
|
|
+ $this->ERROR = _("POP3 delete:") . ' ' . _("Command failed ") . "[$reply]";
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+ return true;
|
|
|
+ }
|
|
|
+
|
|
|
+ // *********************************************************
|
|
|
+
|
|
|
+ // The following methods are internal to the class.
|
|
|
+
|
|
|
+ function is_ok ($cmd = "") {
|
|
|
+ // Return true or false on +OK or -ERR
|
|
|
+
|
|
|
+ if( empty($cmd) )
|
|
|
+ return false;
|
|
|
+ else
|
|
|
+ return( ereg ("^\+OK", $cmd ) );
|
|
|
+ }
|
|
|
+
|
|
|
+ function strip_clf ($text = "") {
|
|
|
+ // Strips \r\n from server responses
|
|
|
+
|
|
|
+ if(empty($text))
|
|
|
+ return $text;
|
|
|
+ else {
|
|
|
+ $stripped = str_replace("\r",'',$text);
|
|
|
+ $stripped = str_replace("\n",'',$stripped);
|
|
|
+ return $stripped;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ function parse_banner ( $server_text ) {
|
|
|
+ $outside = true;
|
|
|
+ $banner = "";
|
|
|
+ $length = strlen($server_text);
|
|
|
+ for($count =0; $count < $length; $count++)
|
|
|
+ {
|
|
|
+ $digit = substr($server_text,$count,1);
|
|
|
+ if(!empty($digit)) {
|
|
|
+ if( (!$outside) && ($digit != '<') && ($digit != '>') )
|
|
|
+ {
|
|
|
+ $banner .= $digit;
|
|
|
+ }
|
|
|
+ if ($digit == '<')
|
|
|
+ {
|
|
|
+ $outside = false;
|
|
|
+ }
|
|
|
+ if($digit == '>')
|
|
|
+ {
|
|
|
+ $outside = true;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ $banner = $this->strip_clf($banner); // Just in case
|
|
|
+ return "<$banner>";
|
|
|
+ }
|
|
|
+
|
|
|
+} // End class
|
|
|
+
|
|
|
+?>
|