X-Git-Url: https://vcs.fsf.org/?p=squirrelmail.git;a=blobdiff_plain;f=functions%2Fstrings.php;h=40f5f15bc664099893ab6e65b3fc99162723a29e;hp=3dde6608ef25d59b8912c6db1e3e1523355ad761;hb=7902aca2bd4fe5929217e9151c63d2261816d0ee;hpb=f7042e3784c0b0213097eadd3bc36b552d1ae2f0 diff --git a/functions/strings.php b/functions/strings.php index 3dde6608..40f5f15b 100644 --- a/functions/strings.php +++ b/functions/strings.php @@ -45,44 +45,41 @@ } // Wraps text at $wrap characters - function sqWordWrap($passed, $wrap) { - $passed = str_replace(">", ">", $passed); - $passed = str_replace("<", "<", $passed); + // Has a problem with special HTML characters, so call this before + // you do character translation. + // Specifically, ' comes up as 5 characters instead of 1. + function sqWordWrap(&$line, $wrap) { + preg_match("/^([\s>]*)([^\s>].*)?$/", $line, $regs); + $beginning_spaces = $regs[1]; + $regs[2] .= "\n"; + $words = explode(" ", $regs[2]); - $words = explode(" ", trim($passed)); $i = 0; - $line_len = strlen($words[$i])+1; - $line = ""; - if (count($words) > 1) { - while ($i < count($words)) { - while ($line_len < $wrap) { - $line = "$line$words[$i] "; - $i++; - $line_len = $line_len + strlen($words[$i])+1; - } - $line_len = strlen($words[$i])+1; - if ($line_len < $wrap) { - if ($i < count($words)) // don't
the last line - $line = "$line\n"; - } else { - $endline = $words[$i]; - while ($line_len >= $wrap) { - $bigline = substr($endline, 0, $wrap); - $endline = substr($endline, $wrap, strlen($endline)); - $line_len = strlen($endline); - $line = "$line$bigline
"; - } - $line = "$line$endline
"; - $i++; - } + $line = $beginning_spaces; + + while ($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; + $i ++; + + // Add more words (as long as they fit) + while ($line_len < $wrap && $i < count($words)) { + $line .= ' ' . $words[$i]; + $i++; + $line_len += strlen($words[$i]) + 1; + } + + // Skip spaces if they are the first thing on a continued line + while (!$words[$i] && $i < count($words)) { + $i ++; + } + + if ($i < count($words)) { + $line .= "\n$beginning_spaces"; } - } else { - $line = $words[0]; } - - $line = str_replace(">", ">", $line); - $line = str_replace("<", "<", $line); - return $line; } /** Returns an array of email addresses **/ @@ -94,10 +91,10 @@ $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]); - } + for ($i = 0; $i < count ($array); $i++) { + $array[$i] = eregi_replace ("^.*[<]", "", $array[$i]); + $array[$i] = eregi_replace ("[>].*$", "", $array[$i]); + } return $array; } @@ -112,7 +109,7 @@ return $to_line; } - function translateText($body, $wrap_at, $charset) { + function translateText(&$body, $wrap_at, $charset) { global $where, $what; // from searching if (!isset($url_parser_php)) { @@ -122,40 +119,54 @@ $body_ary = explode("\n", $body); for ($i=0; $i < count($body_ary); $i++) { $line = $body_ary[$i]; - $line = charset_decode($charset, $line); - if (strlen($line) - 2 >= $wrap_at) { - $line = sqWordWrap($line, $wrap_at); + sqWordWrap($line, $wrap_at); } + $line = charset_decode($charset, $line); + $line = str_replace("\t", ' ', $line); - $line = str_replace(" ", " ", $line); - $line = str_replace("\t", "        ", $line); + $line = str_replace(' ', ' ', $line); $line = nl2br($line); - $line = parseEmail ($line); - $line = parseUrl ($line); - - $line = "^^$line"; // gotta do this because if not, strpos() returns 0 - // which in PHP is the same as false. Now it returns 2 - if (strpos(trim(str_replace(" ", "", $line)), ">>") == 2) { - $line = substr($line, 2); + parseUrl ($line); + + $Quotes = 0; + $pos = 0; + while (1) + { + if (strpos($line, ' ', $pos) === $pos) + { + $pos += 6; + } + else if (strpos($line, '>', $pos) === $pos) + { + $pos += 4; + $Quotes ++; + } + else + { + break; + } + } + + if ($Quotes > 1) { $line = "$line\n"; - } else if (strpos(trim(str_replace(" ", "", $line)), ">") == 2) { - $line = substr($line, 2); + } else if ($Quotes) { $line = "$line\n"; - } else { - $line = substr($line, 2); - } - - $body_ary[$i] = "$line
"; + } + + if ($line) + { + $line = '' . $line . ''; + } + + $body_ary[$i] = $line . '
'; } $body = implode("\n", $body_ary); - - return $body; } /* SquirrelMail version number -- DO NOT CHANGE */ - $version = "0.5pre2"; + $version = "0.6pre1 (cvs)"; function find_mailbox_name ($mailbox) { @@ -188,7 +199,7 @@ # # http://www.myhost.com/squirrelmail/src/login.php - global $PHP_SELF, $SERVER_NAME, $HTTPS, $HTTP_HOST; + global $PHP_SELF, $SERVER_NAME, $HTTPS, $HTTP_HOST, $SERVER_PORT; // Get the path $path = substr($PHP_SELF, 0, strrpos($PHP_SELF, '/')); @@ -199,16 +210,236 @@ $proto = "https://"; } + $port = ""; + if (isset($SERVER_PORT)) { + if ($SERVER_PORT != 80) { + $port = sprintf(':%d', $SERVER_PORT); + } + } + // Get the hostname from the Host header or server config. // Fallback is to omit the server name and use a relative URI, // although this is not RFC 2616 compliant. if(isset($HTTP_HOST) && !empty($HTTP_HOST)) { - $location = $proto . $HTTP_HOST . $path; + $location = $proto . $HTTP_HOST . $port . $path; } else if(isset($SERVER_NAME) && !empty($SERVER_NAME)) { - $location = $proto . $SERVER_NAME . $path; + $location = $proto . $SERVER_NAME . $port . $path; } else { $location = $path; } return $location; } + + function sqStripSlashes($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, $pad) { + for ($i = 0; $i < strlen ($string); $i++) { + $encrypted .= chr (ord($string[$i]) ^ ord($pad[$i])); + } + + return base64_encode($encrypted); + } + + function OneTimePadDecrypt ($string, $pad) { + $encrypted = base64_decode ($string); + + for ($i = 0; $i < strlen ($encrypted); $i++) { + $decrypted .= chr (ord($encrypted[$i]) ^ ord($pad[$i])); + } + + return $decrypted; + } + + + // Randomize the mt_rand() function. Toss this in strings or + // integers and it will seed the generator appropriately. + // With strings, it is better to get them long. Use md5() to + // lengthen smaller strings. + function sq_mt_seed($Val) + { + // if mt_getrandmax() does not return a 2^n - 1 number, + // this might not work well. This uses $Max as a bitmask. + $Max = mt_getrandmax(); + + if (! is_int($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) + $Val *= -1; + if ($Val = 0) + return; + + mt_srand(($Val ^ mt_rand(0, $Max)) & $Max); + } + + + // This function initializes the random number generator fairly well. + // It also only initializes it once, so you don't accidentally get + // the same 'random' numbers twice in one session. + function sq_mt_randomize() + { + global $REMOTE_PORT, $REMOTE_ADDR, $UNIQUE_ID; + static $randomized; + + if ($randomized) + return; + + // Global + sq_mt_seed((int)((double) microtime() * 1000000)); + 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"] . $dat["ru_utime.tv_usec"])); + } + + // Apache-specific + sq_mt_seed(md5($UNIQUE_ID)); + + $randomized = 1; + } + + function OneTimePadCreate ($length=100) { + sq_mt_randomize(); + + for ($i = 0; $i < $length; $i++) { + $pad .= chr(mt_rand(0,255)); + } + + return $pad; + } + + // Check if we have a required PHP-version. Return TRUE if we do, + // or FALSE if we don't. + // To check for 4.0.1, use sqCheckPHPVersion(4,0,1) + // To check for 4.0b3, use sqCheckPHPVersion(4,0,-3) + // Does not handle betas like 4.0.1b1 or development versions + function sqCheckPHPVersion($major, $minor, $release) { + + $ver = phpversion(); + 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; + + // Compare major version + if($vmajor < $major) return false; + if($vmajor > $major) return true; + + // Major is the same. Compare minor + if($vminor < $minor) return false; + if($vminor > $minor) return true; + + // Major and minor is the same as the required one. + // Compare release + if($vrel >= 0 && $release >= 0) { // Neither are beta + if($vrel < $release) return false; + } else if($vrel >= 0 && $release < 0){ // This is not beta, required is beta + return true; + } else if($vrel < 0 && $release >= 0){ // This is beta, require not beta + return false; + } else { // Both are beta + if($vrel > $release) return false; + } + + return true; + } + + /* Returns a string showing the size of the message/attachment */ + function show_readable_size($bytes) + { + $bytes /= 1024; + $type = 'k'; + + if ($bytes / 1024 > 1) + { + $bytes /= 1024; + $type = 'm'; + } + + if ($bytes < 10) + { + $bytes *= 10; + settype($bytes, "integer"); + $bytes /= 10; + } + else + settype($bytes, "integer"); + + return $bytes . ' ' . $type . ''; + } + + /* Generates a random string from the caracter set you pass in + * + * Flags: + * 1 = add lowercase a-z to $chars + * 2 = add uppercase A-Z to $chars + * 4 = add numbers 0-9 to $chars + */ + + function GenerateRandomString($size, $chars, $flags = 0) + { + if ($flags & 0x1) + $chars .= 'abcdefghijklmnopqrstuvwxyz'; + if ($flags & 0x2) + $chars .= 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'; + if ($flags & 0x4) + $chars .= '0123456789'; + + if ($size < 1 || strlen($chars) < 1) + return ""; + + sq_mt_randomize(); // Initialize the random number generator + + while (strlen($String) < $size) { + $String .= $chars[mt_rand(0, strlen($chars))]; + } + + return $String; + } + ?>