X-Git-Url: https://vcs.fsf.org/?p=squirrelmail.git;a=blobdiff_plain;f=functions%2Fstrings.php;h=dcef5bd0c11200de57a3626f18b4b0f020335fd8;hp=ff4b7c7b93b18eebb53edfdf2d14a6e167e78489;hb=9e0d6b0aded83550c1723746dc9a09f92fe22cb5;hpb=8ceb637a7043efb76fc7028be743da5a32f2a530

diff --git a/functions/strings.php b/functions/strings.php
index ff4b7c7b..dcef5bd0 100644
--- a/functions/strings.php
+++ b/functions/strings.php
@@ -1,13 +1,19 @@
 <?php
+   
+   /* $Id$ */
+
+   if (defined('strings_php'))
+       return;
+   define('strings_php', true);
 
-   $strings_php = true;
 
    //*************************************************************************
    // Count the number of occurances of $needle are in $haystack.
+   // $needle can be a character or string, and need not occur in $haystack
    //*************************************************************************
    function countCharInString($haystack, $needle) {
-      $haystack = ereg_replace("[^$needle]","",$haystack);
-      return strlen($haystack);
+      if ($needle == '') return 0;
+      return count(explode($needle, $haystack));
    }
 
    //*************************************************************************
@@ -15,14 +21,34 @@
    //    of the $haystack is reached.  $needle is a single character
    //*************************************************************************
    function readShortMailboxName($haystack, $needle) {
-      if ($needle == ".") $needle = "\.";
-      ereg("([^$needle]+)$needle?$", $haystack, $regs);
-      return $regs[1];
+      if ($needle == '') return $haystack;
+      $parts = explode($needle, $haystack);
+      $elem = array_pop($parts);
+      while ($elem == '' && count($parts))
+      {
+          $elem = array_pop($parts);
+      }
+      return $elem;
+   }
+
+   //*************************************************************************
+   // Read from the back of $haystack until $needle is found, or the begining
+   //    of the $haystack is reached.  $needle is a single character
+   //*************************************************************************
+   function readMailboxParent($haystack, $needle) {
+      if ($needle == '') return '';
+      $parts = explode($needle, $haystack);
+      $elem = array_pop($parts);
+      while ($elem == '' && count($parts))
+      {
+          $elem = array_pop($parts);
+      }
+      return join($needle, $parts);
    }
 
    // Searches for the next position in a string minus white space
    function next_pos_minus_white ($haystack, $pos) {
-      while (substr($haystack, $pos, 1) == " " ||
+      while (substr($haystack, $pos, 1) == ' ' ||
              substr($haystack, $pos, 1) == "\t" ||
              substr($haystack, $pos, 1) == "\n" ||
              substr($haystack, $pos, 1) == "\r") {
@@ -39,9 +65,13 @@
    // Specifically, &#039 comes up as 5 characters instead of 1.
    // This should not add newlines to the end of lines.
    function sqWordWrap(&$line, $wrap) {
-      preg_match("/^([\s>]*)([^\s>].*)?$/", $line, $regs);
+      ereg("^([\t >]*)([^\t >].*)?$", $line, $regs);
       $beginning_spaces = $regs[1];
-      $words = explode(" ", $regs[2]);
+           if (isset($regs[2])) {
+         $words = explode(' ', $regs[2]);
+      } else {
+         $words = "";
+           }
 
       $i = 0;
       $line = $beginning_spaces;
@@ -49,25 +79,29 @@
       while ($i < count($words)) {
          // Force one word to be on a line (minimum)
          $line .= $words[$i];
-         $line_len = strlen($beginning_spaces) + strlen($words[$i]) +
-             strlen($words[$i + 1]) + 2;
+         $line_len = strlen($beginning_spaces) + strlen($words[$i]) + 2;
+          if (isset($words[$i + 1]))
+              $line_len += strlen($words[$i + 1]);
          $i ++;
             
          // Add more words (as long as they fit)
          while ($line_len < $wrap && $i < count($words)) {
             $line .= ' ' . $words[$i];
             $i++;
-            $line_len += strlen($words[$i]) + 1;
+             if (isset($words[$i]))
+                $line_len += strlen($words[$i]) + 1;
+             else
+                 $line_len += 1;
          }
             
          // Skip spaces if they are the first thing on a continued line
-         while (!$words[$i] && $i < count($words)) {
+         while (!isset($words[$i]) && $i < count($words)) {
             $i ++;
          }
 
          // Go to the next line if we have more to process            
          if ($i < count($words)) {
-            $line .= "\n$beginning_spaces";
+            $line .= "\n" . $beginning_spaces;
          }
       }
    }
@@ -81,9 +115,10 @@
        $PreviousSpaces = "";
        for ($i = 0; $i < count($lines); $i ++)
        {
-           preg_match("/^([\s>]*)([^\s>].*)?$/", $lines[$i], $regs);
+           ereg("^([\t >]*)([^\t >].*)?$", $lines[$i], $regs);
            $CurrentSpaces = $regs[1];
-           $CurrentRest = $regs[2];
+            if (isset($regs[2]))
+               $CurrentRest = $regs[2];
            if ($i == 0)
            {
                $PreviousSpaces = $CurrentSpaces;
@@ -106,38 +141,38 @@
    
 
    /** Returns an array of email addresses **/
+   /* Be cautious of "user@host.com" */
    function parseAddrs($text) {
       if (trim($text) == "")
-         return;
-      $text = str_replace(" ", "", $text);
-      $text = ereg_replace('"[^"]*"', "", $text);
-      $text = ereg_replace("\([^\)]*\)", "", $text);
-      $text = str_replace(",", ";", $text);
-      $array = explode(";", $text);
+         return array();
+      $text = str_replace(' ', '', $text);
+      $text = ereg_replace('"[^"]*"', '', $text);
+      $text = ereg_replace('\\([^\\)]*\\)', '', $text);
+      $text = str_replace(',', ';', $text);
+      $array = explode(';', $text);
       for ($i = 0; $i < count ($array); $i++) {
-			    $array[$i] = eregi_replace ("^.*[<]", "", $array[$i]);
-			    $array[$i] = eregi_replace ("[>].*$", "", $array[$i]);
-		  }
+                               $array[$i] = eregi_replace ("^.*[<]", '', $array[$i]);
+                               $array[$i] = eregi_replace ("[>].*$", '', $array[$i]);
+                    }
       return $array;
    }
 
    /** Returns a line of comma separated email addresses from an array **/
    function getLineOfAddrs($array) {
       if (is_array($array)) {
-        $to_line = implode(", ", $array);
-        $to_line = trim(ereg_replace(",,+", ",", $to_line));
+        $to_line = implode(', ', $array);
+        $to_line = trim(ereg_replace(', (, )+', ', ', $to_line));
       } else {
-        $to_line = "";
+        $to_line = '';
       }
       return $to_line;
    }
 
    function translateText(&$body, $wrap_at, $charset) {
       global $where, $what; // from searching
+      global $color; // color theme
 
-      if (!isset($url_parser_php)) {
-         include "../functions/url_parser.php";
-      }
+      include '../functions/url_parser.php';
       
       $body_ary = explode("\n", $body);
       $PriorQuotes = 0;
@@ -170,33 +205,27 @@
              }
          }
          
-         if ($Quotes > 1)
-            $line = "<FONT COLOR=FF0000>$line</FONT>";
-         elseif ($Quotes)
-            $line = "<FONT COLOR=800000>$line</FONT>";
+         if ($Quotes > 1) {
+	    if (! isset($color[14]))
+	       $color[14] = '#FF0000';
+            $line = '<FONT COLOR="' . $color[14] . '">' . $line . '</FONT>';
+	 } elseif ($Quotes) {
+	    if (! isset($color[13]))
+	       $color[13] = '#800000';
+            $line = '<FONT COLOR="' . $color[13] . '">' . $line . '</FONT>';
+	 }
 
          $body_ary[$i] = $line;
       }
-      $body = "<pre>" . implode("\n", $body_ary) . "</pre>";
+      $body = '<pre>' . implode("\n", $body_ary) . '</pre>';
    }
 
    /* SquirrelMail version number -- DO NOT CHANGE */
-   $version = "0.6pre1 (cvs)";
+   global $version;
+   $version = '1.2.0 [cvs]';
 
 
    function find_mailbox_name ($mailbox) {
-/*
-      $mailbox = trim($mailbox);
-      if (substr($mailbox, strlen($mailbox)-1, strlen($mailbox)) == "\"") {
-         $mailbox = substr($mailbox, 0, strlen($mailbox) - 1);
-         $pos = strrpos ($mailbox, "\"")+1;
-         $box = substr($mailbox, $pos);
-      } else {
-         $box = substr($mailbox, strrpos($mailbox, " ")+1, strlen($mailbox));
-      }
-      return $box;
-*/      
-
       if (ereg(" *\"([^\r\n\"]*)\"[ \r\n]*$", $mailbox, $regs))
           return $regs[1];
       ereg(" *([^ \r\n\"]*)[ \r\n]*$",$mailbox,$regs);
@@ -204,14 +233,6 @@
 
    }
 
-   function replace_spaces ($string) {
-      return str_replace(" ", "&nbsp;", $string);
-   }
-
-   function replace_escaped_spaces ($string) {
-      return str_replace("&nbsp;", " ", $string);
-   }
-
    function get_location () {
       # This determines the location to forward to relative
       # to your server.  If this doesnt work correctly for
@@ -222,19 +243,27 @@
       #
       #   http://www.myhost.com/squirrelmail/src/login.php
    
-      global $PHP_SELF, $SERVER_NAME, $HTTPS, $HTTP_HOST, $SERVER_PORT;
+      global $PHP_SELF, $SERVER_NAME, $HTTP_HOST, $SERVER_PORT,
+         $HTTP_SERVER_VARS;
 
       // Get the path
       $path = substr($PHP_SELF, 0, strrpos($PHP_SELF, '/'));
    
       // Check if this is a HTTPS or regular HTTP request
-      $proto = "http://";
-      if(isset($HTTPS) && $HTTPS == 'on' ) {
-        $proto = "https://";
+      $proto = 'http://';
+      // If you have 'SSLOptions +StdEnvVars' in your apache config
+      // OR if you have HTTPS 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)) {
+        $proto = 'https://';
       }
    
       // Get the hostname from the Host header or server config.
-      $host = "";
+      $host = '';
       if (isset($HTTP_HOST) && !empty($HTTP_HOST))
       {
           $host = $HTTP_HOST;
@@ -248,7 +277,8 @@
       if (! strstr($host, ':'))
       {
           if (isset($SERVER_PORT)) {
-              if ($SERVER_PORT != 80) {
+              if (($SERVER_PORT != 80 && $proto == 'http://')
+                      || ($SERVER_PORT != 443 && $proto == 'https://')) {
                   $port = sprintf(':%d', $SERVER_PORT);
               }
           }
@@ -262,29 +292,25 @@
       return $path;    
    }   
 
-   function sqStripSlashes($string) {
-      if (get_magic_quotes_gpc()) {
-         $string = stripslashes($string);
-      }
-      return $string;
-   }
-
 
    // These functions are used to encrypt the passowrd before it is
    // stored in a cookie.
-   function OneTimePadEncrypt ($string, $pad) {
+   function OneTimePadEncrypt ($string, $epad) {
+      $pad = base64_decode($epad);
+      $encrypted = '';
       for ($i = 0; $i < strlen ($string); $i++) {
-	 $encrypted .= chr (ord($string[$i]) ^ ord($pad[$i]));
+          $encrypted .= chr (ord($string[$i]) ^ ord($pad[$i]));
       }
 
       return base64_encode($encrypted);
    }
 
-   function OneTimePadDecrypt ($string, $pad) {
+   function OneTimePadDecrypt ($string, $epad) {
+      $pad = base64_decode($epad);
       $encrypted = base64_decode ($string);
-      
+      $decrypted = '';
       for ($i = 0; $i < strlen ($encrypted); $i++) {
-	 $decrypted .= chr (ord($encrypted[$i]) ^ ord($pad[$i]));
+          $decrypted .= chr (ord($encrypted[$i]) ^ ord($pad[$i]));
       }
 
       return $decrypted;
@@ -303,7 +329,7 @@
        
        if (! is_int($Val))
        {
-           if (function_exists("crc32"))
+           if (function_exists('crc32'))
            {
                $Val = crc32($Val);
            }
@@ -355,10 +381,18 @@
       sq_mt_seed(md5($REMOTE_PORT . $REMOTE_ADDR . getmypid()));
       
       // getrusage
-      if (function_exists("getrusage")) {
-         $dat = getrusage();
-	 sq_mt_seed(md5($dat["ru_nswap"] . $dat["ru_majflt"] . 
-	    $dat["ru_utime.tv_sec"] . $dat["ru_utime.tv_usec"]));
+      if (function_exists('getrusage')) {
+         // Avoid warnings with Win32
+         $dat = @getrusage();
+	 if (isset($dat) && is_array($dat))
+	 {
+            $Str = '';
+            foreach ($dat as $k => $v)
+            {
+               $Str .= $k . $v;
+            }
+            sq_mt_seed(md5($Str));
+	 }
       }
       
       // Apache-specific
@@ -369,12 +403,13 @@
    
    function OneTimePadCreate ($length=100) {
       sq_mt_randomize();
-      
+
+      $pad = '';
       for ($i = 0; $i < $length; $i++) {
-	 $pad .= chr(mt_rand(0,255));
+          $pad .= chr(mt_rand(0,255));
       }
 
-      return $pad;
+      return base64_encode($pad);
    }
 
    // Check if we have a required PHP-version. Return TRUE if we do,
@@ -385,18 +420,18 @@
    function sqCheckPHPVersion($major, $minor, $release) {
 
       $ver = phpversion();
-      eregi("^([0-9]+)\.([0-9]+)(.*)", $ver, $regs);
+      eregi('^([0-9]+)\\.([0-9]+)(.*)', $ver, $regs);
 
       // Parse the version string
       $vmajor  = strval($regs[1]);
       $vminor  = strval($regs[2]);
       $vrel    = $regs[3];
       if($vrel[0] == ".") 
-	 $vrel = strval(substr($vrel, 1));
-      if($vrel[0] == "b" || $vrel[0] == "B") 
-	 $vrel = - strval(substr($vrel, 1));
-      if($vrel[0] == "r" || $vrel[0] == "R") 
-	 $vrel = - strval(substr($vrel, 2))/10;
+          $vrel = strval(substr($vrel, 1));
+      if($vrel[0] == 'b' || $vrel[0] == 'B') 
+          $vrel = - strval(substr($vrel, 1));
+      if($vrel[0] == 'r' || $vrel[0] == 'R') 
+          $vrel = - strval(substr($vrel, 2))/10;
       
       // Compare major version
       if($vmajor < $major) return false;
@@ -409,13 +444,13 @@
       // Major and minor is the same as the required one.
       // Compare release
       if($vrel >= 0 && $release >= 0) {       // Neither are beta
-	 if($vrel < $release) return false;
+          if($vrel < $release) return false;
       } else if($vrel >= 0 && $release < 0){  // This is not beta, required is beta
-	 return true;
+          return true;
       } else if($vrel < 0 && $release >= 0){  // This is beta, require not beta
-	 return false;
+          return false;
       } else {                                // Both are beta
-	 if($vrel > $release) return false;
+          if($vrel > $release) return false;
       }
       
       return true;
@@ -436,11 +471,11 @@
        if ($bytes < 10)
        {
            $bytes *= 10;
-           settype($bytes, "integer");
+           settype($bytes, 'integer');
            $bytes /= 10;
        }
        else
-           settype($bytes, "integer");
+           settype($bytes, 'integer');
        
        return $bytes . '<small>&nbsp;' . $type . '</small>';
    }
@@ -463,15 +498,21 @@
           $chars .= '0123456789';
           
       if ($size < 1 || strlen($chars) < 1)
-          return "";
+          return '';
           
       sq_mt_randomize(); // Initialize the random number generator
     
+      $String = "";
       while (strlen($String) < $size) {
          $String .= $chars[mt_rand(0, strlen($chars))];
       }
       
       return $String;
    }
+   
+   function quoteIMAP($str)
+   {
+       return ereg_replace('(["\\])', '\\\\1', $str);
+   }
 
 ?>