X-Git-Url: https://vcs.fsf.org/?p=squirrelmail.git;a=blobdiff_plain;f=functions%2Fstrings.php;h=291c52ed2d2fafc17581199a419c6d53d3913f66;hp=1aa0948800f00ea626ac629c7d08b9c1bb673644;hb=22edfb6fa547ae57c75624e0903b036e698b188a;hpb=821a8e9c911de27a3af9eae6591f2b51312e9be5 diff --git a/functions/strings.php b/functions/strings.php index 1aa09488..291c52ed 100644 --- a/functions/strings.php +++ b/functions/strings.php @@ -1,25 +1,36 @@ = strlen($haystack)) return -1; $pos++; - } - return $pos; + } + return $pos; } - // Wraps text at $wrap characters - // Has a problem with special HTML characters, so call this before - // you do character translation. - // Specifically, ' comes up as 5 characters instead of 1. - // This should not add newlines to the end of lines. + /** + * Wraps text at $wrap characters + * + * Has a problem with special HTML characters, so call this before + * you do character translation. + * + * Specifically, ' comes up as 5 characters instead of 1. + * This should not add newlines to the end of lines. + */ function sqWordWrap(&$line, $wrap) { ereg("^([\t >]*)([^\t >].*)?$", $line, $regs); $beginning_spaces = $regs[1]; @@ -75,7 +92,7 @@ $i = 0; $line = $beginning_spaces; - + while ($i < count($words)) { // Force one word to be on a line (minimum) $line .= $words[$i]; @@ -83,7 +100,7 @@ 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]; @@ -93,55 +110,54 @@ else $line_len += 1; } - + // Skip spaces if they are the first thing on a continued line while (!isset($words[$i]) && $i < count($words)) { $i ++; } - // Go to the next line if we have more to process + // Go to the next line if we have more to process if ($i < count($words)) { $line .= "\n" . $beginning_spaces; } } } - - - // Does the opposite of sqWordWrap() - function sqUnWordWrap(&$body) - { + + + /** + * Does the opposite of sqWordWrap() + */ + function sqUnWordWrap(&$body) { $lines = explode("\n", $body); $body = ""; $PreviousSpaces = ""; - for ($i = 0; $i < count($lines); $i ++) - { + for ($i = 0; $i < count($lines); $i ++) { ereg("^([\t >]*)([^\t >].*)?$", $lines[$i], $regs); $CurrentSpaces = $regs[1]; - if (isset($regs[2])) + if (isset($regs[2])) { $CurrentRest = $regs[2]; - if ($i == 0) - { + } + + if ($i == 0) { $PreviousSpaces = $CurrentSpaces; $body = $lines[$i]; - } - else if ($PreviousSpaces == $CurrentSpaces && // Do the beginnings match - strlen($lines[$i - 1]) > 65 && // Over 65 characters long - strlen($CurrentRest)) // and there's a line to continue with - { + } else if (($PreviousSpaces == $CurrentSpaces) // Do the beginnings match + && (strlen($lines[$i - 1]) > 65) // Over 65 characters long + && strlen($CurrentRest)) { // and there's a line to continue with $body .= ' ' . $CurrentRest; - } - else - { + } else { $body .= "\n" . $lines[$i]; $PreviousSpaces = $CurrentSpaces; } } $body .= "\n"; } - - /** Returns an array of email addresses **/ - /* Be cautious of "user@host.com" */ + + /** + * Returns an array of email addresses. + * Be cautious of "user@host.com" + */ function parseAddrs($text) { if (trim($text) == "") return array(); @@ -157,68 +173,71 @@ return $array; } - /** Returns a line of comma separated email addresses from an array **/ + /** + * Returns a line of comma separated email addresses from an array. + */ function getLineOfAddrs($array) { if (is_array($array)) { $to_line = implode(', ', $array); - $to_line = trim(ereg_replace(', (, )+', ', ', $to_line)); + $to_line = ereg_replace(', (, )+', ', ', $to_line); + $to_line = trim(ereg_replace('^, ', '', $to_line)); + if( substr( $to_line, -1 ) == ',' ) + $to_line = substr( $to_line, 0, -1 ); } else { $to_line = ''; } - return $to_line; + + return( $to_line ); } function translateText(&$body, $wrap_at, $charset) { global $where, $what; // from searching + global $color; // color theme + + require_once('../functions/url_parser.php'); - include '../functions/url_parser.php'; - $body_ary = explode("\n", $body); $PriorQuotes = 0; for ($i=0; $i < count($body_ary); $i++) { $line = $body_ary[$i]; if (strlen($line) - 2 >= $wrap_at) { - sqWordWrap($line, $wrap_at); + sqWordWrap($line, $wrap_at); } $line = charset_decode($charset, $line); $line = str_replace("\t", ' ', $line); - + parseUrl ($line); - + $Quotes = 0; $pos = 0; - while (1) - { - if ($line[$pos] == ' ') - { + while (1) { + if ($line[$pos] == ' ') { $pos ++; - } - else if (strpos($line, '>', $pos) === $pos) - { + } else if (strpos($line, '>', $pos) === $pos) { $pos += 4; $Quotes ++; - } - else - { + } else { break; } } - - if ($Quotes > 1) - $line = ''.$line.''; - elseif ($Quotes) - $line = ''.$line.''; + + if ($Quotes > 1) { + if (! isset($color[14])) { + $color[14] = '#FF0000'; + } + $line = '' . $line . ''; + } elseif ($Quotes) { + if (! isset($color[13])) { + $color[13] = '#800000'; + } + $line = '' . $line . ''; + } $body_ary[$i] = $line; } $body = '
' . implode("\n", $body_ary) . '
'; } - /* SquirrelMail version number -- DO NOT CHANGE */ - global $version; - $version = '1.1.0 [cvs]'; - - function find_mailbox_name ($mailbox) { if (ereg(" *\"([^\r\n\"]*)\"[ \r\n]*$", $mailbox, $regs)) return $regs[1]; @@ -227,41 +246,49 @@ } + /** + * This determines the location to forward to relative to your server. + * If this doesnt work correctly for you (although it should), you can + * remove all this code except the last two lines, and change the header() + * function to look something like this, customized to the location of + * SquirrelMail on your server: + * + * http://www.myhost.com/squirrelmail/src/login.php + */ function get_location () { - # This determines the location to forward to relative - # to your server. If this doesnt work correctly for - # you (although it should), you can remove all this - # code except the last two lines, and change the header() - # function to look something like this, customized to - # the location of SquirrelMail on your server: - # - # http://www.myhost.com/squirrelmail/src/login.php - - global $PHP_SELF, $SERVER_NAME, $HTTPS, $HTTP_HOST, $SERVER_PORT; - // Get the path + 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 + + /* Check if this is a HTTPS or regular HTTP request. */ $proto = 'http://'; - if(isset($HTTPS) && !strcasecmp($HTTPS, 'on') ) { + + /* + * 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. $host = ''; - if (isset($HTTP_HOST) && !empty($HTTP_HOST)) - { + if (isset($HTTP_HOST) && !empty($HTTP_HOST)) { $host = $HTTP_HOST; - } - else if (isset($SERVER_NAME) && !empty($SERVER_NAME)) - { + } else if (isset($SERVER_NAME) && !empty($SERVER_NAME)) { $host = $SERVER_NAME; } - + $port = ''; - if (! strstr($host, ':')) - { + if (! strstr($host, ':')) { if (isset($SERVER_PORT)) { if (($SERVER_PORT != 80 && $proto == 'http://') || ($SERVER_PORT != 443 && $proto == 'https://')) { @@ -269,26 +296,25 @@ } } } - - if ($host) - return $proto . $host . $port . $path; - // Fallback is to omit the server name and use a relative URI, - // although this is not RFC 2616 compliant. - return $path; - } + /* Fallback is to omit the server name and use a relative */ + /* URI, although this is not RFC 2616 compliant. */ + return ($host ? $proto . $host . $port . $path : $path); + } - // These functions are used to encrypt the passowrd before it is - // stored in a cookie. + /** + * These functions are used to encrypt the passowrd before it is + * stored in a cookie. + */ function OneTimePadEncrypt ($string, $epad) { - $pad = base64_decode($epad); - $encrypted = ''; - for ($i = 0; $i < strlen ($string); $i++) { - $encrypted .= chr (ord($string[$i]) ^ ord($pad[$i])); - } + $pad = base64_decode($epad); + $encrypted = ''; + for ($i = 0; $i < strlen ($string); $i++) { + $encrypted .= chr (ord($string[$i]) ^ ord($pad[$i])); + } - return base64_encode($encrypted); + return base64_encode($encrypted); } function OneTimePadDecrypt ($string, $epad) { @@ -303,37 +329,29 @@ } - // Randomize the mt_rand() function. Toss this in strings or - // integers and it will seed the generator appropriately. - // With strings, it is better to get them long. Use md5() to - // lengthen smaller strings. - function sq_mt_seed($Val) - { + /** + * 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')) - { + + if (! is_int($Val)) { + if (function_exists('crc32')) { $Val = crc32($Val); - } - else - { + } else { $Str = $Val; $Pos = 0; $Val = 0; $Mask = $Max / 2; $HighBit = $Max ^ $Mask; - while ($Pos < strlen($Str)) - { - if ($Val & $HighBit) - { + while ($Pos < strlen($Str)) { + if ($Val & $HighBit) { $Val = (($Val & $Mask) << 1) + 1; - } - else - { + } else { $Val = ($Val & $Mask) << 1; } $Val ^= $Str[$Pos]; @@ -342,36 +360,40 @@ } } - if ($Val < 0) - $Val *= -1; - if ($Val = 0) - return; + 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() - { + + + /** + * 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 + + if ($randomized) { + return; + } + + /* Global. */ sq_mt_seed((int)((double) microtime() * 1000000)); sq_mt_seed(md5($REMOTE_PORT . $REMOTE_ADDR . getmypid())); - - // getrusage + + /* getrusage */ if (function_exists('getrusage')) { // Avoid warnings with Win32 $dat = @getrusage(); - if (isset($dat) && is_array($dat)) - { + if (isset($dat) && is_array($dat)) { $Str = ''; foreach ($dat as $k => $v) { @@ -380,13 +402,13 @@ sq_mt_seed(md5($Str)); } } - + // Apache-specific sq_mt_seed(md5($UNIQUE_ID)); - + $randomized = 1; } - + function OneTimePadCreate ($length=100) { sq_mt_randomize(); @@ -398,107 +420,154 @@ return base64_encode($pad); } - // Check if we have a required PHP-version. Return TRUE if we do, - // or FALSE if we don't. - // To check for 4.0.1, use sqCheckPHPVersion(4,0,1) - // To check for 4.0b3, use sqCheckPHPVersion(4,0,-3) - // Does not handle betas like 4.0.1b1 or development versions + /** + * Check if we have a required PHP-version. Return TRUE if we do, + * or FALSE if we don't. + * + * To check for 4.0.1, use sqCheckPHPVersion(4,0,1) + * To check for 4.0b3, use sqCheckPHPVersion(4,0,-3) + * + * Does not handle betas like 4.0.1b1 or development versions + */ function sqCheckPHPVersion($major, $minor, $release) { $ver = phpversion(); eregi('^([0-9]+)\\.([0-9]+)(.*)', $ver, $regs); - // Parse the version string + /* Parse the version string. */ $vmajor = strval($regs[1]); $vminor = strval($regs[2]); $vrel = $regs[3]; - if($vrel[0] == ".") + if($vrel[0] == ".") { $vrel = strval(substr($vrel, 1)); - if($vrel[0] == 'b' || $vrel[0] == 'B') + } + if($vrel[0] == 'b' || $vrel[0] == 'B') { $vrel = - strval(substr($vrel, 1)); - if($vrel[0] == 'r' || $vrel[0] == 'R') + } + if($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 && $release >= 0) { // Neither are beta + } + + /* Compare major version. */ + if ($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 && $release < 0){ // This is not beta, required is beta + } else if($vrel >= 0 && $release < 0) { // This is not beta, required is beta return true; - } else if($vrel < 0 && $release >= 0){ // This is beta, require not beta + } else if($vrel < 0 && $release >= 0){ // This is beta, require not beta return false; - } else { // Both are beta + } else { // Both are beta if($vrel > $release) return false; } - + return true; } - - /* Returns a string showing the size of the message/attachment */ - function show_readable_size($bytes) - { + + /** + * Returns a string showing the size of the message/attachment. + */ + function show_readable_size($bytes) { $bytes /= 1024; $type = 'k'; - - if ($bytes / 1024 > 1) - { + + if ($bytes / 1024 > 1) { $bytes /= 1024; $type = 'm'; } - - if ($bytes < 10) - { + + if ($bytes < 10) { $bytes *= 10; settype($bytes, 'integer'); $bytes /= 10; - } - else + } else { settype($bytes, 'integer'); - + } + return $bytes . ' ' . $type . ''; } - /* Generates a random string from the caracter set you pass in + /** + * 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) + + function GenerateRandomString($size, $chars, $flags = 0) { + if ($flags & 0x1) { $chars .= 'abcdefghijklmnopqrstuvwxyz'; - if ($flags & 0x2) + } + if ($flags & 0x2) { $chars .= 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'; - if ($flags & 0x4) + } + if ($flags & 0x4) { $chars .= '0123456789'; - - if ($size < 1 || strlen($chars) < 1) + } + + if (($size < 1) || (strlen($chars) < 1)) { 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) - { + + function quoteIMAP($str) { return ereg_replace('(["\\])', '\\\\1', $str); } + /** + * Trims every element in the array + */ + function TrimArray(&$array) { + foreach ($array as $k => $v) { + global $$k; + if (is_array($$k)) { + foreach ($$k as $k2 => $v2) { + $$k[$k2] = substr($v2, 1); + } + } else { + $$k = substr($v, 1); + } + + /* Re-assign back to array. */ + $array[$k] = $$k; + } + } + + /** + * Removes slashes from every element in the array + */ + function RemoveSlashes(&$array) { + foreach ($array as $k => $v) { + global $$k; + if (is_array($$k)) { + foreach ($$k as $k2 => $v2) { + $newArray[stripslashes($k2)] = stripslashes($v2); + } + $$k = $newArray; + } else { + $$k = stripslashes($v); + } + + /* Re-assign back to the array. */ + $array[$k] = $$k; + } + } + ?>