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@@ -1,654 +0,0 @@
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-<?php
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-
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-/**
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- * mail_fetch/class.POP3.php
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- *
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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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- * POP3 class
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- *
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- * @copyright © 1999-2006 The SquirrelMail Project Team
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- * @license http://opensource.org/licenses/gpl-license.php GNU Public License
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- * @version $Id$
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- * @package plugins
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- * @subpackage mail_fetch
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- */
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-
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-/**
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- * This is the POP3 class - DOCUMENT ME
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- * @package plugins
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- * @subpackage mail_fetch
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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 $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 = $timeout;
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- if (!ini_get('safe_mode'))
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- set_time_limit($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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- if (!ini_get('safe_mode'))
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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 $server with it's value
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-
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- if (!isset($port) || !$port) {$port = 110;}
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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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- return true;
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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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- 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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- 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,$size) = preg_split('/\s+/',$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,$msgSize) = preg_split('/\s+/',$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;
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- }
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-
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- $Vars = preg_split('/\s+/',$reply);
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- $count = $Vars[1];
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- $size = $Vars[2];
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- settype($count,"integer");
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- settype($size,"integer");
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- if($type != "count")
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- {
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- return array($count,$size);
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- }
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- return $count;
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- }
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-
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- function reset () {
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- // Resets the status of the remote server. This includes
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- // resetting the status of ALL msgs to not be deleted.
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|
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- // This method automatically closes the connection to the server.
|
|
|
-
|
|
|
- if(!isset($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,$myUidl) = preg_split('/\s+/',$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,$msgUidl) = preg_split('/\s+/',$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
|
|
|
-
|
tokul