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[squirrelmail.git] / functions / strings.php

diff --git a/functions/strings.php b/functions/strings.php
index 6b6c4a74eb36f39c2fc52e32c1869cb733018c2d..b4d1a5406549c10609cc94438d52502f8db26a61 100644 (file)
--- a/functions/strings.php
+++ b/functions/strings.php
@@ -3,7 +3,7 @@
 /** 
  * strings.php
  *
- * Copyright (c) 1999-2002 The SquirrelMail Project Team
+ * Copyright (c) 1999-2003 The SquirrelMail Project Team
  * Licensed under the GNU GPL. For full terms see the file COPYING.
  *
  * This code provides various string manipulation functions that are
@@ -16,7 +16,15 @@
  * SquirrelMail version number -- DO NOT CHANGE
  */
 global $version;
-$version = '1.3.2 [CVS-DEVEL]';
+$version = '1.4.0 [CVS-DEVEL]';
+
+/** 
+ * SquirrelMail internal version number -- DO NOT CHANGE
+ * $sm_internal_version = array (release, major, minor)
+ */
+global $SQM_INTERNAL_VERSION;
+$SQM_INTERNAL_VERSION = array(1,4,0);
+
 
 /**
  * Wraps text at $wrap characters
@@ -82,7 +90,9 @@ function sqUnWordWrap(&$body) {
         $CurrentSpaces = $regs[1];
         if (isset($regs[2])) {
             $CurrentRest = $regs[2];
-        }
+        } else {
+           $CurrentRest = '';
+       }
         
         if ($i == 0) {
             $PreviousSpaces = $CurrentSpaces;
@@ -154,17 +164,17 @@ function getLineOfAddrs($array) {
 }
 
 function php_self () {
-    global $PHP_SELF, $HTTP_SERVER_VARS;
+    global $PHP_SELF, $_SERVER;
     
-    if (isset($HTTP_SERVER_VARS['REQUEST_URI']) && !empty($HTTP_SERVER_VARS['REQUEST_URI']) ) {
-        return $HTTP_SERVER_VARS['REQUEST_URI'];
+    if (isset($_SERVER['REQUEST_URI']) && !empty($_SERVER['REQUEST_URI']) ) {
+        return $_SERVER['REQUEST_URI'];
     }
 
     if (isset($PHP_SELF) && !empty($PHP_SELF)) {
         return $PHP_SELF;
-    } else if (isset($HTTP_SERVER_VARS['PHP_SELF']) &&
-               !empty($HTTP_SERVER_VARS['PHP_SELF'])) {
-        return $HTTP_SERVER_VARS['PHP_SELF'];
+    } else if (isset($_SERVER['PHP_SELF']) &&
+               !empty($_SERVER['PHP_SELF'])) {
+        return $_SERVER['PHP_SELF'];
     } else {
         return '';
     }
@@ -182,8 +192,7 @@ function php_self () {
  */
 function get_location () {
     
-    global $PHP_SELF, $SERVER_NAME, $HTTP_HOST, $SERVER_PORT,
-        $HTTP_SERVER_VARS, $imap_server_type;
+    global $_SERVER, $imap_server_type;
     
     /* Get the path, handle virtual directories */
     $path = substr(php_self(), 0, strrpos(php_self(), '/'));
@@ -193,35 +202,33 @@ function get_location () {
     
     /*
      * If you have 'SSLOptions +StdEnvVars' in your apache config
-     *     OR if you have HTTPS in your HTTP_SERVER_VARS
+     *     OR if you have HTTPS=on in your HTTP_SERVER_VARS
      *     OR if you are on port 443
      */
     $getEnvVar = getenv('HTTPS');
     if ((isset($getEnvVar) && !strcasecmp($getEnvVar, 'on')) ||
-        (isset($HTTP_SERVER_VARS['HTTPS'])) ||
-        (isset($HTTP_SERVER_VARS['SERVER_PORT']) &&
-         $HTTP_SERVER_VARS['SERVER_PORT'] == 443)) {
+        (isset($_SERVER['HTTPS']) &&
+         !strcasecmp($_SERVER['HTTPS'], 'on')) ||
+        (isset($_SERVER['SERVER_PORT']) &&
+         $_SERVER['SERVER_PORT'] == 443)) {
         $proto = 'https://';
     }
     
     /* Get the hostname from the Host header or server config. */
     $host = '';
-    if (isset($HTTP_HOST) && !empty($HTTP_HOST)) {
-        $host = $HTTP_HOST;
-    } else if (isset($SERVER_NAME) && !empty($SERVER_NAME)) {
-        $host = $SERVER_NAME;
-    } else if (isset($HTTP_SERVER_VARS['SERVER_NAME']) &&
-               !empty($HTTP_SERVER_VARS['SERVER_NAME'])) {
-        $host = $HTTP_SERVER_VARS['SERVER_NAME'];
+    if (isset($_SERVER['HTTP_HOST']) && !empty($_SERVER['HTTP_HOST'])) {
+        $host = $_SERVER['HTTP_HOST'];
+    } else if (isset($_SERVER['SERVER_NAME']) &&
+        !empty($_SERVER['SERVER_NAME'])) {
     }
 
     
     $port = '';
     if (! strstr($host, ':')) {
-        if (isset($SERVER_PORT)) {
-            if (($SERVER_PORT != 80 && $proto == 'http://')
-                || ($SERVER_PORT != 443 && $proto == 'https://')) {
-                $port = sprintf(':%d', $SERVER_PORT);
+        if (isset($_SERVER['SERVER_PORT'])) {
+            if (($_SERVER['SERVER_PORT'] != 80 && $proto == 'http://')
+                || ($_SERVER['SERVER_PORT'] != 443 && $proto == 'https://')) {
+                $port = sprintf(':%d', $_SERVER['SERVER_PORT']);
             }
         }
     }
@@ -277,24 +284,7 @@ function sq_mt_seed($Val) {
     $Max = mt_getrandmax();
     
     if (! is_int($Val)) {
-        if (function_exists('crc32')) {
             $Val = crc32($Val);
-        } else {
-            $Str = $Val;
-            $Pos = 0;
-            $Val = 0;
-            $Mask = $Max / 2;
-            $HighBit = $Max ^ $Mask;
-            while ($Pos < strlen($Str)) {
-                if ($Val & $HighBit) {
-                    $Val = (($Val & $Mask) << 1) + 1;
-                } else {
-                    $Val = ($Val & $Mask) << 1;
-                }
-                $Val ^= $Str[$Pos];
-                $Pos ++;
-            }
-        }
     }
     
     if ($Val < 0) {
@@ -315,7 +305,7 @@ function sq_mt_seed($Val) {
  * the same 'random' numbers twice in one session.
  */
 function sq_mt_randomize() {
-    global $REMOTE_PORT, $REMOTE_ADDR, $UNIQUE_ID;
+    global $_SERVER;
     static $randomized;
     
     if ($randomized) {
@@ -324,7 +314,7 @@ function sq_mt_randomize() {
     
     /* Global. */
     sq_mt_seed((int)((double) microtime() * 1000000));
-    sq_mt_seed(md5($REMOTE_PORT . $REMOTE_ADDR . getmypid()));
+    sq_mt_seed(md5($_SERVER['REMOTE_PORT'] . $_SERVER['REMOTE_ADDR'] . getmypid()));
     
     /* getrusage */
     if (function_exists('getrusage')) {
@@ -340,8 +330,9 @@ function sq_mt_randomize() {
         }
     }
     
-    /* Apache-specific */
-    sq_mt_seed(md5($UNIQUE_ID));
+    if(isset($_SERVER['UNIQUE_ID'])) {
+        sq_mt_seed(md5($_SERVER['UNIQUE_ID']));
+    }
     
     $randomized = 1;
 }