X-Git-Url: https://scripts.mit.edu/gitweb/autoinstalls/wordpress.git/blobdiff_plain/ff81ee6e8304a1982a3ec4f5b134764a29d502cf..4feeb71a9d812a9ae371c28a3d8b442a4394ded7:/wp-includes/class-pop3.php

diff --git a/wp-includes/class-pop3.php b/wp-includes/class-pop3.php
index 468ca8bd..ffbc377d 100644
--- a/wp-includes/class-pop3.php
+++ b/wp-includes/class-pop3.php
@@ -1,20 +1,20 @@
-<?php 
-
-   /**
-    * mail_fetch/setup.php
-    *
-    * Copyright (c) 1999-2002 The SquirrelMail Project Team
-    *
-    * Copyright (c) 1999 CDI (cdi@thewebmasters.net) All Rights Reserved
-    * Modified by Philippe Mingo 2001 mingo@rotedic.com
-    * An RFC 1939 compliant wrapper class for the POP3 protocol.
-    *
-    * Licensed under the GNU GPL. For full terms see the file COPYING.
-    *
-    * pop3 class
-    *
-    * $Id: class-pop3.php 2066 2005-01-07 01:29:49Z saxmatt $
-    */
+<?php
+/**
+ * mail_fetch/setup.php
+ *
+ * Copyright (c) 1999-2011 CDI (cdi@thewebmasters.net) All Rights Reserved
+ * Modified by Philippe Mingo 2001-2009 mingo@rotedic.com
+ * An RFC 1939 compliant wrapper class for the POP3 protocol.
+ *
+ * Licensed under the GNU GPL. For full terms see the file COPYING.
+ *
+ * POP3 class
+ *
+ * @copyright 1999-2011 The SquirrelMail Project Team
+ * @license http://opensource.org/licenses/gpl-license.php GNU Public License
+ * @package plugins
+ * @subpackage mail_fetch
+ */
 
 class POP3 {
     var $ERROR      = '';       //  Error string.
@@ -40,14 +40,14 @@ class POP3 {
     var $BANNER     = '';       //  Holds the banner returned by the
                                 //  pop server - used for apop()
 
-    var $RFC1939    = TRUE;     //  Set by noop(). See rfc1939.txt
-                                //
-
     var $ALLOWAPOP  = FALSE;    //  Allow or disallow apop()
                                 //  This must be set to true
                                 //  manually
 
-    function POP3 ( $server = '', $timeout = '' ) {
+	/**
+	 * PHP5 constructor.
+	 */
+    function __construct ( $server = '', $timeout = '' ) {
         settype($this->BUFFER,"integer");
         if( !empty($server) ) {
             // Do not allow programs to alter MAILSERVER
@@ -59,13 +59,22 @@ class POP3 {
         if(!empty($timeout)) {
             settype($timeout,"integer");
             $this->TIMEOUT = $timeout;
-            set_time_limit($timeout);
+            if (!ini_get('safe_mode'))
+                set_time_limit($timeout);
         }
         return true;
     }
 
+	/**
+	 * PHP4 constructor.
+	 */
+	public function POP3( $server = '', $timeout = '' ) {
+		self::__construct( $server, $timeout );
+	}
+
     function update_timer () {
-        set_time_limit($this->TIMEOUT);
+        if (!ini_get('safe_mode'))
+            set_time_limit($this->TIMEOUT);
         return true;
     }
 
@@ -73,21 +82,22 @@ class POP3 {
         //  Opens a socket to the specified server. Unless overridden,
         //  port defaults to 110. Returns true on success, false on fail
 
-        // If MAILSERVER is set, override $server with it's value
+        // If MAILSERVER is set, override $server with its value.
 
+    if (!isset($port) || !$port) {$port = 110;}
         if(!empty($this->MAILSERVER))
             $server = $this->MAILSERVER;
 
         if(empty($server)){
-            $this->ERROR = _("POP3 connect:") . ' ' . _("No server specified");
+            $this->ERROR = "POP3 connect: " . _("No server specified");
             unset($this->FP);
             return false;
         }
 
-        $fp = fsockopen("$server", $port, $errno, $errstr);
+        $fp = @fsockopen("$server", $port, $errno, $errstr);
 
         if(!$fp) {
-            $this->ERROR = _("POP3 connect:") . ' ' . _("Error ") . "[$errno] [$errstr]";
+            $this->ERROR = "POP3 connect: " . _("Error ") . "[$errno] [$errstr]";
             unset($this->FP);
             return false;
         }
@@ -99,46 +109,28 @@ class POP3 {
         if($this->DEBUG)
             error_log("POP3 SEND [connect: $server] GOT [$reply]",0);
         if(!$this->is_ok($reply)) {
-            $this->ERROR = _("POP3 connect:") . ' ' . _("Error ") . "[$reply]";
+            $this->ERROR = "POP3 connect: " . _("Error ") . "[$reply]";
             unset($this->FP);
             return false;
         }
         $this->FP = $fp;
         $this->BANNER = $this->parse_banner($reply);
-        $this->RFC1939 = $this->noop();
-        if($this->RFC1939) {
-            $this->ERROR = _("POP3: premature NOOP OK, NOT an RFC 1939 Compliant server");
-            $this->quit();
-            return false;
-        } else
-            return true;
-    }
-
-    function noop () {
-    
-        if(!isset($this->FP)) {
-            $this->ERROR = _("POP3 noop:") . ' ' . _("No connection to server");
-            return false;
-        } else {
-            $cmd = "NOOP";
-            $reply = $this->send_cmd( $cmd );
-            return( $this->is_ok( $reply ) );
-        }
+        return true;
     }
 
     function user ($user = "") {
         // Sends the USER command, returns true or false
 
         if( empty($user) ) {
-            $this->ERROR = _("POP3 user:") . ' ' . _("no login ID submitted");
+            $this->ERROR = "POP3 user: " . _("no login ID submitted");
             return false;
         } elseif(!isset($this->FP)) {
-            $this->ERROR = _("POP3 user:") . ' ' . _("connection not established");
+            $this->ERROR = "POP3 user: " . _("connection not established");
             return false;
         } else {
             $reply = $this->send_cmd("USER $user");
             if(!$this->is_ok($reply)) {
-                $this->ERROR = _("POP3 user:") . ' ' . _("Error ") . "[$reply]";
+                $this->ERROR = "POP3 user: " . _("Error ") . "[$reply]";
                 return false;
             } else
                 return true;
@@ -150,28 +142,22 @@ class POP3 {
         // returns false (undef) on Auth failure
 
         if(empty($pass)) {
-            $this->ERROR = _("POP3 pass:") . ' ' . _("No password submitted");
+            $this->ERROR = "POP3 pass: " . _("No password submitted");
             return false;
         } elseif(!isset($this->FP)) {
-            $this->ERROR = _("POP3 pass:") . ' ' . _("connection not established");
+            $this->ERROR = "POP3 pass: " . _("connection not established");
             return false;
         } else {
             $reply = $this->send_cmd("PASS $pass");
             if(!$this->is_ok($reply)) {
-                $this->ERROR = _("POP3 pass:") . ' ' . _("authentication failed ") . "[$reply]";
+                $this->ERROR = "POP3 pass: " . _("Authentication failed") . " [$reply]";
                 $this->quit();
                 return false;
             } else {
                 //  Auth successful.
                 $count = $this->last("count");
                 $this->COUNT = $count;
-                $this->RFC1939 = $this->noop();
-                if(!$this->RFC1939) {
-                    $this->ERROR = _("POP3 pass:") . ' ' . _("NOOP failed. Server not RFC 1939 compliant");
-                    $this->quit();
-                    return false;
-                } else
-                    return $count;
+                return $count;
             }
         }
     }
@@ -183,21 +169,21 @@ class POP3 {
         //  (apop is optional per rfc1939)
 
         if(!isset($this->FP)) {
-            $this->ERROR = _("POP3 apop:") . ' ' . _("No connection to server");
+            $this->ERROR = "POP3 apop: " . _("No connection to server");
             return false;
         } elseif(!$this->ALLOWAPOP) {
             $retVal = $this->login($login,$pass);
             return $retVal;
         } elseif(empty($login)) {
-            $this->ERROR = _("POP3 apop:") . ' ' . _("No login ID submitted");
+            $this->ERROR = "POP3 apop: " . _("No login ID submitted");
             return false;
         } elseif(empty($pass)) {
-            $this->ERROR = _("POP3 apop:") . ' ' . _("No password submitted");
+            $this->ERROR = "POP3 apop: " . _("No password submitted");
             return false;
         } else {
             $banner = $this->BANNER;
             if( (!$banner) or (empty($banner)) ) {
-                $this->ERROR = _("POP3 apop:") . ' ' . _("No server banner") . ' - ' . _("abort");
+                $this->ERROR = "POP3 apop: " . _("No server banner") . ' - ' . _("abort");
                 $retVal = $this->login($login,$pass);
                 return $retVal;
             } else {
@@ -207,20 +193,14 @@ class POP3 {
                 $cmd = "APOP $login $APOPString";
                 $reply = $this->send_cmd($cmd);
                 if(!$this->is_ok($reply)) {
-                    $this->ERROR = _("POP3 apop:") . ' ' . _("apop authentication failed") . ' - ' . _("abort");
+                    $this->ERROR = "POP3 apop: " . _("apop authentication failed") . ' - ' . _("abort");
                     $retVal = $this->login($login,$pass);
                     return $retVal;
                 } else {
                     //  Auth successful.
                     $count = $this->last("count");
                     $this->COUNT = $count;
-                    $this->RFC1939 = $this->noop();
-                    if(!$this->RFC1939) {
-                        $this->ERROR = _("POP3 apop:") . ' ' . _("NOOP failed. Server not RFC 1939 compliant");
-                        $this->quit();
-                        return false;
-                    } else
-                        return $count;
+                    return $count;
                 }
             }
         }
@@ -232,7 +212,7 @@ class POP3 {
         // the number of messages.)
 
         if( !isset($this->FP) ) {
-            $this->ERROR = _("POP3 login:") . ' ' . _("No connection to server");
+            $this->ERROR = "POP3 login: " . _("No connection to server");
             return false;
         } else {
             $fp = $this->FP;
@@ -257,7 +237,7 @@ class POP3 {
         //  only the header information, and none of the body.
 
         if(!isset($this->FP)) {
-            $this->ERROR = _("POP3 top:") . ' ' . _("No connection to server");
+            $this->ERROR = "POP3 top: " . _("No connection to server");
             return false;
         }
         $this->update_timer();
@@ -273,7 +253,7 @@ class POP3 {
         }
         if(!$this->is_ok($reply))
         {
-            $this->ERROR = _("POP3 top:") . ' ' . _("Error ") . "[$reply]";
+            $this->ERROR = "POP3 top: " . _("Error ") . "[$reply]";
             return false;
         }
 
@@ -281,7 +261,7 @@ class POP3 {
         $MsgArray = array();
 
         $line = fgets($fp,$buffer);
-        while ( !ereg("^\.\r\n",$line))
+        while ( !preg_match('/^\.\r\n/',$line))
         {
             $MsgArray[$count] = $line;
             $count++;
@@ -299,7 +279,7 @@ class POP3 {
 
         if(!isset($this->FP))
         {
-            $this->ERROR = _("POP3 pop_list:") . ' ' . _("No connection to server");
+            $this->ERROR = "POP3 pop_list: " . _("No connection to server");
             return false;
         }
         $fp = $this->FP;
@@ -327,10 +307,10 @@ class POP3 {
             }
             if(!$this->is_ok($reply))
             {
-                $this->ERROR = _("POP3 pop_list:") . ' ' . _("Error ") . "[$reply]";
+                $this->ERROR = "POP3 pop_list: " . _("Error ") . "[$reply]";
                 return false;
             }
-            list($junk,$num,$size) = explode(" ",$reply);
+            list($junk,$num,$size) = preg_split('/\s+/',$reply);
             return $size;
         }
         $cmd = "LIST";
@@ -338,7 +318,7 @@ class POP3 {
         if(!$this->is_ok($reply))
         {
             $reply = $this->strip_clf($reply);
-            $this->ERROR = _("POP3 pop_list:") . ' ' . _("Error ") .  "[$reply]";
+            $this->ERROR = "POP3 pop_list: " . _("Error ") .  "[$reply]";
             return false;
         }
         $MsgArray = array();
@@ -348,12 +328,12 @@ class POP3 {
             if($msgC > $Total) { break; }
             $line = fgets($fp,$this->BUFFER);
             $line = $this->strip_clf($line);
-            if(ereg("^\.",$line))
+            if(strpos($line, '.') === 0)
             {
-                $this->ERROR = _("POP3 pop_list:") . ' ' . _("Premature end of list");
+                $this->ERROR = "POP3 pop_list: " . _("Premature end of list");
                 return false;
             }
-            list($thisMsg,$msgSize) = explode(" ",$line);
+            list($thisMsg,$msgSize) = preg_split('/\s+/',$line);
             settype($thisMsg,"integer");
             if($thisMsg != $msgC)
             {
@@ -373,7 +353,7 @@ class POP3 {
 
         if(!isset($this->FP))
         {
-            $this->ERROR = _("POP3 get:") . ' ' . _("No connection to server");
+            $this->ERROR = "POP3 get: " . _("No connection to server");
             return false;
         }
 
@@ -386,7 +366,7 @@ class POP3 {
 
         if(!$this->is_ok($reply))
         {
-            $this->ERROR = _("POP3 get:") . ' ' . _("Error ") . "[$reply]";
+            $this->ERROR = "POP3 get: " . _("Error ") . "[$reply]";
             return false;
         }
 
@@ -394,8 +374,9 @@ class POP3 {
         $MsgArray = array();
 
         $line = fgets($fp,$buffer);
-        while ( !ereg("^\.\r\n",$line))
+        while ( !preg_match('/^\.\r\n/',$line))
         {
+            if ( $line{0} == '.' ) { $line = substr($line,1); }
             $MsgArray[$count] = $line;
             $count++;
             $line = fgets($fp,$buffer);
@@ -412,18 +393,18 @@ class POP3 {
         $last = -1;
         if(!isset($this->FP))
         {
-            $this->ERROR = _("POP3 last:") . ' ' . _("No connection to server");
+            $this->ERROR = "POP3 last: " . _("No connection to server");
             return $last;
         }
 
         $reply = $this->send_cmd("STAT");
         if(!$this->is_ok($reply))
         {
-            $this->ERROR = _("POP3 last:") . ' ' . _("Error ") . "[$reply]";
+            $this->ERROR = "POP3 last: " . _("Error ") . "[$reply]";
             return $last;
         }
 
-        $Vars = explode(" ",$reply);
+        $Vars = preg_split('/\s+/',$reply);
         $count = $Vars[1];
         $size = $Vars[2];
         settype($count,"integer");
@@ -442,7 +423,7 @@ class POP3 {
 
         if(!isset($this->FP))
         {
-            $this->ERROR = _("POP3 reset:") . ' ' . _("No connection to server");
+            $this->ERROR = "POP3 reset: " . _("No connection to server");
             return false;
         }
         $reply = $this->send_cmd("RSET");
@@ -452,7 +433,7 @@ class POP3 {
             //  response - if it ever does, something truely
             //  wild is going on.
 
-            $this->ERROR = _("POP3 reset:") . ' ' . _("Error ") . "[$reply]";
+            $this->ERROR = "POP3 reset: " . _("Error ") . "[$reply]";
             @error_log("POP3 reset: ERROR [$reply]",0);
         }
         $this->quit();
@@ -476,13 +457,13 @@ class POP3 {
 
         if(!isset($this->FP))
         {
-            $this->ERROR = _("POP3 send_cmd:") . ' ' . _("No connection to server");
+            $this->ERROR = "POP3 send_cmd: " . _("No connection to server");
             return false;
         }
 
         if(empty($cmd))
         {
-            $this->ERROR = _("POP3 send_cmd:") . ' ' . _("Empty command string");
+            $this->ERROR = "POP3 send_cmd: " . _("Empty command string");
             return "";
         }
 
@@ -502,7 +483,7 @@ class POP3 {
 
         if(!isset($this->FP))
         {
-            $this->ERROR = _("POP3 quit:") . ' ' . _("connection does not exist");
+            $this->ERROR = "POP3 quit: " . _("connection does not exist");
             return false;
         }
         $fp = $this->FP;
@@ -539,7 +520,7 @@ class POP3 {
         //  Array element 0 will contain the total number of msgs
 
         if(!isset($this->FP)) {
-            $this->ERROR = _("POP3 uidl:") . ' ' . _("No connection to server");
+            $this->ERROR = "POP3 uidl: " . _("No connection to server");
             return false;
         }
 
@@ -551,10 +532,10 @@ class POP3 {
             $reply = $this->send_cmd($cmd);
             if(!$this->is_ok($reply))
             {
-                $this->ERROR = _("POP3 uidl:") . ' ' . _("Error ") . "[$reply]";
+                $this->ERROR = "POP3 uidl: " . _("Error ") . "[$reply]";
                 return false;
             }
-            list ($ok,$num,$myUidl) = explode(" ",$reply);
+            list ($ok,$num,$myUidl) = preg_split('/\s+/',$reply);
             return $myUidl;
         } else {
             $this->update_timer();
@@ -574,18 +555,15 @@ class POP3 {
             if($this->DEBUG) { @error_log("POP3 SEND [$cmd] GOT [$reply]",0); }
             if(!$this->is_ok($reply))
             {
-                $this->ERROR = _("POP3 uidl:") . ' ' . _("Error ") . "[$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);
+            while ( !preg_match('/^\.\r\n/',$line)) {
+                list ($msg,$msgUidl) = preg_split('/\s+/',$line);
                 $msgUidl = $this->strip_clf($msgUidl);
                 if($count == $msg) {
                     $UIDLArray[$msg] = $msgUidl;
@@ -607,18 +585,18 @@ class POP3 {
 
         if(!isset($this->FP))
         {
-            $this->ERROR = _("POP3 delete:") . ' ' . _("No connection to server");
+            $this->ERROR = "POP3 delete: " . _("No connection to server");
             return false;
         }
         if(empty($msgNum))
         {
-            $this->ERROR = _("POP3 delete:") . ' ' . _("No msg number submitted");
+            $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]";
+            $this->ERROR = "POP3 delete: " . _("Command failed ") . "[$reply]";
             return false;
         }
         return true;
@@ -634,7 +612,7 @@ class POP3 {
         if( empty($cmd) )
             return false;
         else
-            return( ereg ("^\+OK", $cmd ) );
+            return( stripos($cmd, '+OK') !== false );
     }
 
     function strip_clf ($text = "") {
@@ -643,8 +621,7 @@ class POP3 {
         if(empty($text))
             return $text;
         else {
-            $stripped = str_replace("\r",'',$text);
-            $stripped = str_replace("\n",'',$stripped);
+            $stripped = str_replace(array("\r","\n"),'',$text);
             return $stripped;
         }
     }
@@ -655,8 +632,8 @@ class POP3 {
         $length = strlen($server_text);
         for($count =0; $count < $length; $count++)
         {
-            $digit = substr($server_text, $count, 1);
-            if ( false !== $digit ) {
+            $digit = substr($server_text,$count,1);
+            if(!empty($digit))             {
                 if( (!$outside) && ($digit != '<') && ($digit != '>') )
                 {
                     $banner .= $digit;
@@ -677,4 +654,9 @@ class POP3 {
 
 }   // End class
 
-?>
+// For php4 compatibility
+if (!function_exists("stripos")) {
+    function stripos($haystack, $needle){
+        return strpos($haystack, stristr( $haystack, $needle ));
+    }
+}