<?php
- $strings_php = true;
-
- //*************************************************************************
- // Count the number of occurances of $needle are in $haystack.
- //*************************************************************************
- function countCharInString($haystack, $needle) {
- $len = strlen($haystack);
- for ($i = 0; $i < $len; $i++) {
- if ($haystack[$i] == $needle)
- $count++;
+/**
+ * strings.php
+ *
+ * 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
+ * used by the rest of the Squirrelmail code.
+ *
+ * $Id$
+ */
+
+
+/**
+ * SquirrelMail version number -- DO NOT CHANGE
+ */
+global $version;
+$version = '1.5.0 [CVS]';
+
+/**
+ * SquirrelMail internal version number -- DO NOT CHANGE
+ * $sm_internal_version = array (release, major, minor)
+ */
+global $SQM_INTERNAL_VERSION;
+$SQM_INTERNAL_VERSION = array(1,5,0);
+
+
+/**
+ * There can be a circular issue with includes, where the $version string is
+ * referenced by the include of global.php, etc. before it's defined.
+ * For that reason, bring in global.php AFTER we define the version strings.
+ */
+require_once(SM_PATH . 'functions/global.php');
+
+/**
+ * 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) {
+ global $languages, $squirrelmail_language;
+
+ if (isset($languages[$squirrelmail_language]['XTRA_CODE']) &&
+ function_exists($languages[$squirrelmail_language]['XTRA_CODE'])) {
+ if (mb_detect_encoding($line) != 'ASCII') {
+ $line = $languages[$squirrelmail_language]['XTRA_CODE']('wordwrap', $line, $wrap);
+ return;
+ }
+ }
+
+ ereg("^([\t >]*)([^\t >].*)?$", $line, $regs);
+ $beginning_spaces = $regs[1];
+ if (isset($regs[2])) {
+ $words = explode(' ', $regs[2]);
+ } else {
+ $words = '';
+ }
+
+ $i = 0;
+ $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]) + 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];
+ $i++;
+ if (isset($words[$i]))
+ $line_len += strlen($words[$i]) + 1;
+ else
+ $line_len += 1;
+ }
+
+ /* Skip spaces if they are the first thing on a continued line */
+ while (!isset($words[$i]) && $i < count($words)) {
+ $i ++;
+ }
+
+ /* Go to the next line if we have more to process */
+ if ($i < count($words)) {
+ $line .= "\n";
+ }
+ }
+}
+
+/**
+ * Does the opposite of sqWordWrap()
+ */
+function sqUnWordWrap(&$body) {
+ global $squirrelmail_language;
+
+ if ($squirrelmail_language == 'ja_JP') {
+ return;
+ }
+
+ $lines = explode("\n", $body);
+ $body = '';
+ $PreviousSpaces = '';
+ $cnt = count($lines);
+ for ($i = 0; $i < $cnt; $i ++) {
+ preg_match("/^([\t >]*)([^\t >].*)?$/", $lines[$i], $regs);
+ $CurrentSpaces = $regs[1];
+ if (isset($regs[2])) {
+ $CurrentRest = $regs[2];
+ } else {
+ $CurrentRest = '';
+ }
+
+ if ($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 */
+ $body .= ' ' . $CurrentRest;
+ } else {
+ $body .= "\n" . $lines[$i];
+ $PreviousSpaces = $CurrentSpaces;
+ }
+ }
+ $body .= "\n";
+}
+
+/**
+ * If $haystack is a full mailbox name and $needle is the mailbox
+ * separator character, returns the last part of the mailbox name.
+ */
+function readShortMailboxName($haystack, $needle) {
+
+ if ($needle == '') {
+ $elem = $haystack;
+ } else {
+ $parts = explode($needle, $haystack);
+ $elem = array_pop($parts);
+ while ($elem == '' && count($parts)) {
+ $elem = array_pop($parts);
+ }
+ }
+ return( $elem );
+}
+
+function php_self () {
+ if ( sqgetGlobalVar('REQUEST_URI', $req_uri, SQ_SERVER) && !empty($req_uri) ) {
+ return $req_uri;
+ }
+
+ if ( sqgetGlobalVar('PHP_SELF', $php_self, SQ_SERVER) && !empty($php_self) ) {
+ return $php_self;
+ }
+
+ return '';
+}
+
+
+/**
+ * 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 () {
+
+ global $imap_server_type;
+
+ /* Get the path, handle virtual directories */
+ $path = substr(php_self(), 0, strrpos(php_self(), '/'));
+
+ if ( sqgetGlobalVar('sq_base_url', $full_url, SQ_SESSION) ) {
+ return $full_url . $path;
+ }
+
+ /* Check if this is a HTTPS or regular HTTP request. */
+ $proto = 'http://';
+
+ /*
+ * If you have 'SSLOptions +StdEnvVars' in your apache config
+ * 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')) ||
+ (sqgetGlobalVar('HTTPS', $https_on, SQ_SERVER) && !strcasecmp($https_on, 'on')) ||
+ (sqgetGlobalVar('SERVER_PORT', $server_port, SQ_SERVER) && $server_port == 443)) {
+ $proto = 'https://';
+ }
+
+ /* Get the hostname from the Host header or server config. */
+ if ( !sqgetGlobalVar('HTTP_HOST', $host, SQ_SERVER) || empty($host) ) {
+ if ( !sqgetGlobalVar('SERVER_NAME', $host, SQ_SERVER) || empty($host) ) {
+ $host = '';
}
- return $count;
- }
-
- //*************************************************************************
- // Read from the back of $haystack until $needle is found, or the begining
- // of the $haystack is reached.
- //*************************************************************************
- function readShortMailboxName($haystack, $needle) {
- if (substr($haystack, -1) == $needle)
- $haystack = substr($haystack, 0, strlen($haystack) - 1);
-
- if (strrpos($haystack, $needle)) {
- $pos = strrpos($haystack, $needle) + 1;
- $data = substr($haystack, $pos, strlen($haystack));
- } else {
- $data = $haystack;
- }
- return $data;
- }
-
- // Searches for the next position in a string minus white space
- function next_pos_minus_white ($haystack, $pos) {
- while (substr($haystack, $pos, 1) == " " ||
- substr($haystack, $pos, 1) == "\t" ||
- substr($haystack, $pos, 1) == "\n" ||
- substr($haystack, $pos, 1) == "\r") {
- if ($pos >= strlen($haystack))
- return -1;
- $pos++;
- }
- return $pos;
- }
-
- // Wraps text at $wrap characters
- function sqWordWrap($passed, $wrap) {
- $passed = str_replace("<", "<", $passed);
- $passed = str_replace(">", ">", $passed);
-
- preg_match("/^(\s|>)+/", $passed, $regs);
- $beginning_spaces = $regs[0];
-
- $words = explode(" ", $passed);
- $i = -1;
- $line_len = strlen($words[0])+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 <= $wrap) {
- if (strlen($beginning_spaces) +2 >= $wrap)
- $beginning_spaces = "";
- if ($i < count($words)) { // don't <BR> the last line
- $line = "$line\n$beginning_spaces";
- }
- $line = "$line$words[$i] ";
- $line_len = strlen($beginning_spaces) + strlen($words[$i]) + 1;
- } 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$bigline<BR>";
- }
- */
- if (strlen($line) > $wrap)
- $line = "$line\n$words[$i]";
- else
- $line = "$line$words[$i]";
- $line_len = strlen($words[$i]);
+ }
+
+ $port = '';
+ if (! strstr($host, ':')) {
+ if (sqgetGlobalVar('SERVER_PORT', $server_port, SQ_SERVER)) {
+ if (($server_port != 80 && $proto == 'http://') ||
+ ($server_port != 443 && $proto == 'https://')) {
+ $port = sprintf(':%d', $server_port);
}
- }
- } else {
- $line = $words[0];
- }
-
- $line = str_replace(">", ">", $line);
- $line = str_replace("<", "<", $line);
- return $line;
- }
-
- /** Returns an array of email addresses **/
- function parseAddrs($text) {
- if (trim($text) == "") {
- return;
- }
- $text = str_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]);
- }
- 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));
- } else {
- $to_line = "";
- }
- return $to_line;
- }
-
- function translateText($body, $wrap_at, $charset) {
- global $where, $what; // from searching
-
- if (!isset($url_parser_php)) {
- include "../functions/url_parser.php";
- }
+ }
+ }
+
+ /* this is a workaround for the weird macosx caching that
+ causes Apache to return 16080 as the port number, which causes
+ SM to bail */
- $body_ary = explode("\n", $body);
- for ($i=0; $i < count($body_ary); $i++) {
- $line = $body_ary[$i];
- $line = charset_decode($charset, $line);
- $line = str_replace("\t", ' ', $line);
-
- if (strlen($line) - 2 >= $wrap_at) {
- $line = sqWordWrap($line, $wrap_at);
- }
-
- $line = str_replace(' ', ' ', $line);
- $line = nl2br($line);
-
- // Removed parseEmail and integrated it into parseUrl
- // This line is no longer needed.
- // $line = parseEmail ($line);
- $line = parseUrl ($line);
-
- $test_line = str_replace(' ', '', $line);
- if (strpos($test_line, '>>') === 0) {
- $line = "<FONT COLOR=FF0000>$line</FONT>\n";
- } else if (strpos($test_line, '>') === 0) {
- $line = "<FONT COLOR=800000>$line</FONT>\n";
- }
-
- if ($line)
- {
- $line = '<tt>' . $line . '</tt>';
- }
-
- $body_ary[$i] = $line . '<br>';
- }
- $body = implode("\n", $body_ary);
-
- return $body;
- }
-
- /* SquirrelMail version number -- DO NOT CHANGE */
- $version = "0.5";
-
-
- function find_mailbox_name ($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 $box;
- }
-
- function replace_spaces ($string) {
- return str_replace(" ", " ", $string);
+ if ($imap_server_type == 'macosx' && $port == ':16080') {
+ $port = '';
}
-
- function replace_escaped_spaces ($string) {
- return str_replace(" ", " ", $string);
- }
-
- 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;
-
- // 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' ) {
- $proto = "https://";
- }
-
- // Get the hostname from the Host header or server config.
- // Fallback is to omit the server name and use a relative URI,
- // although this is not RFC 2616 compliant.
- if(isset($HTTP_HOST) && !empty($HTTP_HOST)) {
- $location = $proto . $HTTP_HOST . $path;
- } else if(isset($SERVER_NAME) && !empty($SERVER_NAME)) {
- $location = $proto . $SERVER_NAME . $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 $decrypted;
- }
-
- function OneTimePadCreate ($length=100) {
- global $REMOTE_PORT, $REMOTE_ADDR, $UNIQUE_ID;
-
- // Entropy gathering
- if (function_exists("crc32")) {
- $seed1 = (double) microtime() * 1000000;
- $seed2 = md5($REMOTE_PORT . $REMOTE_ADDR . $UNIQUE_ID);
- if (function_exists("getrusage")) {
- $dat = getrusage();
- $seed3 = md5($dat["ru_nswap"].$dat["ru_majflt"].$dat["ru_utime.tv_sec"].$dat["ru_utime.tv_usec"].getmypid());
- } else {
- $seed3 = getmypid();
- }
-
- $seed = crc32($seed1)*1000000 + crc32($seed2)*10000 + crc32($seed3);
- } else {
- $seed = (double) microtime() * 1000000;
- }
-
- srand ($seed);
-
- for ($i = 0; $i < $length; $i++) {
- $pad .= chr(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 and minor
- if($vmajor < $major) return false;
- if($vminor < $minor) return false;
-
- // Compare release
- if($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;
- }
+ /* Fallback is to omit the server name and use a relative */
+ /* URI, although this is not RFC 2616 compliant. */
+ $full_url = ($host ? $proto . $host . $port : '');
+ sqsession_register($full_url, 'sq_base_url');
+ return $full_url . $path;
+}
+
+
+/**
+ * These functions are used to encrypt the passowrd before it is
+ * stored in a cookie.
+ */
+function OneTimePadEncrypt ($string, $epad) {
+ $pad = base64_decode($epad);
+ $encrypted = '';
+ for ($i = 0; $i < strlen ($string); $i++) {
+ $encrypted .= chr (ord($string[$i]) ^ ord($pad[$i]));
+ }
+
+ return base64_encode($encrypted);
+}
+
+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]));
+ }
+
+ 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)) {
+ $Val = crc32($Val);
+ }
+
+ 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() {
+ static $randomized;
+
+ if ($randomized) {
+ return;
+ }
+
+ /* Global. */
+ sqgetGlobalVar('REMOTE_PORT', $remote_port, SQ_SERVER);
+ sqgetGlobalVar('REMOTE_ADDR', $remote_addr, SQ_SERVER);
+ sq_mt_seed((int)((double) microtime() * 1000000));
+ sq_mt_seed(md5($remote_port . $remote_addr . getmypid()));
+
+ /* getrusage */
+ 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));
+ }
+ }
+
+ if(sqgetGlobalVar('UNIQUE_ID', $unique_id, SQ_SERVER)) {
+ sq_mt_seed(md5($unique_id));
+ }
+
+ $randomized = 1;
+}
+
+function OneTimePadCreate ($length=100) {
+ sq_mt_randomize();
+
+ $pad = '';
+ for ($i = 0; $i < $length; $i++) {
+ $pad .= chr(mt_rand(0,255));
+ }
+
+ return base64_encode($pad);
+}
+
+/**
+ * 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 . '<small> ' . $type . '</small>';
+}
+
+/**
+ * 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 */
+
+ $String = '';
+ $j = strlen( $chars ) - 1;
+ while (strlen($String) < $size) {
+ $String .= $chars{mt_rand(0, $j)};
+ }
+
+ return $String;
+}
+
+function quoteimap($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;
+ }
+}
+
+/* returns a link to the compose-page, taking in consideration
+ * the compose_in_new and javascript settings. */
+function makeComposeLink($url, $text = null)
+{
+ global $compose_new_win,$javascript_on;
+
+ if(!$text) {
+ $text = _("Compose");
+ }
+
+ if($compose_new_win != '1') {
+ return makeInternalLink($url, $text, 'right');
+ }
+
+ /* if we can use JS, use the fancy window, else just open a new one HTML-style */
+ if($javascript_on) {
+ sqgetGlobalVar('base_uri', $base_uri, SQ_SESSION);
+ return '<a href="javascript:void(0)" onclick="comp_in_new(\''.$base_uri.$url.'\')">'. $text.'</a>';
+ }
+
+ return makeInternalLink($url, $text, '_blank');
+}
+
+/**
+* sm_print_r($some_variable, [$some_other_variable [, ...]]);
+* Debugging function - does the same as print_r, but makes sure special
+* characters are converted to htmlentities first. This will allow
+* values like <some@email.address> to be displayed.
+* The output is wrapped in <pre> and </pre> tags.
+*/
+function sm_print_r() {
+ ob_start(); // Buffer output
+ foreach(func_get_args() as $var) {
+ print_r($var);
+ echo "\n";
+ }
+ $buffer = ob_get_contents(); // Grab the print_r output
+ ob_end_clean(); // Silently discard the output & stop buffering
+ print "<pre>";
+ print htmlentities($buffer);
+ print "</pre>";
+}
+
+$PHP_SELF = php_self();
?>
projects / squirrelmail.git / blobdiff