5 //*************************************************************************
6 // Count the number of occurances of $needle are in $haystack.
7 //*************************************************************************
8 function countCharInString($haystack, $needle) {
9 $len = strlen($haystack);
10 for ($i = 0; $i < $len; $i++
) {
11 if ($haystack[$i] == $needle)
17 //*************************************************************************
18 // Read from the back of $haystack until $needle is found, or the begining
19 // of the $haystack is reached.
20 //*************************************************************************
21 function readShortMailboxName($haystack, $needle) {
22 if (substr($haystack, -1) == $needle)
23 $haystack = substr($haystack, 0, strlen($haystack) - 1);
25 if (strrpos($haystack, $needle)) {
26 $pos = strrpos($haystack, $needle) +
1;
27 $data = substr($haystack, $pos, strlen($haystack));
34 // Searches for the next position in a string minus white space
35 function next_pos_minus_white ($haystack, $pos) {
36 while (substr($haystack, $pos, 1) == " " ||
37 substr($haystack, $pos, 1) == "\t" ||
38 substr($haystack, $pos, 1) == "\n" ||
39 substr($haystack, $pos, 1) == "\r") {
40 if ($pos >= strlen($haystack))
47 // Wraps text at $wrap characters
48 // Has a problem with special HTML characters, so call this before
49 // you do character translation.
50 // Specifically, ' comes up as 5 characters instead of 1.
51 function sqWordWrap(&$line, $wrap) {
52 preg_match("/^([\s>]*)([^\s>].*)$/", $line, $regs);
53 $beginning_spaces = $regs[1];
55 $words = explode(" ", $regs[2]);
58 $line = $beginning_spaces;
60 if (count($words) > 1) {
61 while ($i < count($words)) {
62 // Force one word to be on a line (minimum)
64 $line_len = strlen($beginning_spaces) +
strlen($words[$i]) +
65 strlen($words[$i +
1]) +
2;
68 // Add more words (as long as they fit)
69 while ($line_len < $wrap && $i < count($words)) {
70 $line .= ' ' . $words[$i];
72 $line_len +
= strlen($words[$i]) +
1;
75 // Skip spaces if they are the first thing on a continued line
76 while (!$words[$i] && $i < count($words))
81 if ($i < count($words)) {
82 $line .= "\n$beginning_spaces";
90 /** Returns an array of email addresses **/
91 function parseAddrs($text) {
92 if (trim($text) == "") {
95 $text = str_replace(" ", "", $text);
96 $text = ereg_replace( '"[^"]*"', "", $text);
97 $text = str_replace(",", ";", $text);
98 $array = explode(";", $text);
99 for ($i = 0; $i < count ($array); $i++
) {
100 $array[$i] = eregi_replace ("^.*[<]", "", $array[$i]);
101 $array[$i] = eregi_replace ("[>].*$", "", $array[$i]);
106 /** Returns a line of comma separated email addresses from an array **/
107 function getLineOfAddrs($array) {
108 if (is_array($array)) {
109 $to_line = implode(", ", $array);
110 $to_line = trim(ereg_replace(",,+", ",", $to_line));
117 function translateText(&$body, $wrap_at, $charset) {
118 global $where, $what; // from searching
120 if (!isset($url_parser_php)) {
121 include "../functions/url_parser.php";
124 $body_ary = explode("\n", $body);
125 for ($i=0; $i < count($body_ary); $i++
) {
126 $line = $body_ary[$i];
127 if (strlen($line) - 2 >= $wrap_at) {
128 sqWordWrap($line, $wrap_at);
130 $line = charset_decode($charset, $line);
131 $line = str_replace("\t", ' ', $line);
133 $line = str_replace(' ', ' ', $line);
134 $line = nl2br($line);
142 if (strpos($line, ' ', $pos) === $pos)
146 else if (strpos($line, '>', $pos) === $pos)
158 $line = "<FONT COLOR=FF0000>$line</FONT>\n";
159 } else if ($Quotes) {
160 $line = "<FONT COLOR=800000>$line</FONT>\n";
165 $line = '<tt>' . $line . '</tt>';
168 $body_ary[$i] = $line . '<br>';
170 $body = implode("\n", $body_ary);
173 /* SquirrelMail version number -- DO NOT CHANGE */
174 $version = "0.6pre1 (cvs)";
177 function find_mailbox_name ($mailbox) {
178 $mailbox = trim($mailbox);
179 if (substr($mailbox, strlen($mailbox)-1, strlen($mailbox)) == "\"") {
180 $mailbox = substr($mailbox, 0, strlen($mailbox) - 1);
181 $pos = strrpos ($mailbox, "\"")+
1;
182 $box = substr($mailbox, $pos);
184 $box = substr($mailbox, strrpos($mailbox, " ")+
1, strlen($mailbox));
189 function replace_spaces ($string) {
190 return str_replace(" ", " ", $string);
193 function replace_escaped_spaces ($string) {
194 return str_replace(" ", " ", $string);
197 function get_location () {
198 # This determines the location to forward to relative
199 # to your server. If this doesnt work correctly for
200 # you (although it should), you can remove all this
201 # code except the last two lines, and change the header()
202 # function to look something like this, customized to
203 # the location of SquirrelMail on your server:
205 # http://www.myhost.com/squirrelmail/src/login.php
207 global $PHP_SELF, $SERVER_NAME, $HTTPS, $HTTP_HOST, $SERVER_PORT;
210 $path = substr($PHP_SELF, 0, strrpos($PHP_SELF, '/'));
212 // Check if this is a HTTPS or regular HTTP request
214 if(isset($HTTPS) && $HTTPS == 'on' ) {
219 if (isset($SERVER_PORT)) {
220 if ($SERVER_PORT != 80) {
221 $port = sprintf(':%d', $SERVER_PORT);
225 // Get the hostname from the Host header or server config.
226 // Fallback is to omit the server name and use a relative URI,
227 // although this is not RFC 2616 compliant.
228 if(isset($HTTP_HOST) && !empty($HTTP_HOST)) {
229 $location = $proto . $HTTP_HOST . $port . $path;
230 } else if(isset($SERVER_NAME) && !empty($SERVER_NAME)) {
231 $location = $proto . $SERVER_NAME . $port . $path;
238 function sqStripSlashes($string) {
239 if (get_magic_quotes_gpc()) {
240 $string = stripslashes($string);
246 // These functions are used to encrypt the passowrd before it is
247 // stored in a cookie.
248 function OneTimePadEncrypt ($string, $pad) {
249 for ($i = 0; $i < strlen ($string); $i++
) {
250 $encrypted .= chr (ord($string[$i]) ^
ord($pad[$i]));
253 return base64_encode($encrypted);
256 function OneTimePadDecrypt ($string, $pad) {
257 $encrypted = base64_decode ($string);
259 for ($i = 0; $i < strlen ($encrypted); $i++
) {
260 $decrypted .= chr (ord($encrypted[$i]) ^
ord($pad[$i]));
267 // Randomize the mt_rand() function. Toss this in strings or
268 // integers and it will seed the generator appropriately.
269 // With strings, it is better to get them long. Use md5() to
270 // lengthen smaller strings.
271 function sq_mt_seed($Val)
273 // if mt_getrandmax() does not return a 2^n - 1 number,
274 // this might not work well. This uses $Max as a bitmask.
275 $Max = mt_getrandmax();
279 if (function_exists("crc32"))
289 $HighBit = $Max ^
$Mask;
290 while ($Pos < strlen($Str))
294 $Val = (($Val & $Mask) << 1) +
1;
298 $Val = ($Val & $Mask) << 1;
311 mt_srand(($Val ^
mt_rand(0, $Max)) & $Max);
315 // This function initializes the random number generator fairly well.
316 // It also only initializes it once, so you don't accidentally get
317 // the same 'random' numbers twice in one session.
318 function sq_mt_randomize()
320 global $REMOTE_PORT, $REMOTE_ADDR, $UNIQUE_ID;
327 sq_mt_seed((int)((double) microtime() * 1000000));
328 sq_mt_seed(md5($REMOTE_PORT . $REMOTE_ADDR . getmypid()));
331 if (function_exists("getrusage")) {
333 sq_mt_seed(md5($dat["ru_nswap"] . $dat["ru_majflt"] .
334 $dat["ru_utime.tv_sec"] . $dat["ru_utime.tv_usec"]));
338 sq_mt_seed(md5($UNIQUE_ID));
343 function OneTimePadCreate ($length=100) {
346 for ($i = 0; $i < $length; $i++
) {
347 $pad .= chr(mt_rand(0,255));
353 // Check if we have a required PHP-version. Return TRUE if we do,
354 // or FALSE if we don't.
355 // To check for 4.0.1, use sqCheckPHPVersion(4,0,1)
356 // To check for 4.0b3, use sqCheckPHPVersion(4,0,-3)
357 // Does not handle betas like 4.0.1b1 or development versions
358 function sqCheckPHPVersion($major, $minor, $release) {
361 eregi("^([0-9]+)\.([0-9]+)(.*)", $ver, $regs);
363 // Parse the version string
364 $vmajor = strval($regs[1]);
365 $vminor = strval($regs[2]);
368 $vrel = strval(substr($vrel, 1));
369 if($vrel[0] == "b" ||
$vrel[0] == "B")
370 $vrel = - strval(substr($vrel, 1));
371 if($vrel[0] == "r" ||
$vrel[0] == "R")
372 $vrel = - strval(substr($vrel, 2))/10;
374 // Compare major version
375 if($vmajor < $major) return false;
376 if($vmajor > $major) return true;
378 // Major is the same. Compare minor
379 if($vminor < $minor) return false;
380 if($vminor > $minor) return true;
382 // Major and minor is the same as the required one.
384 if($vrel >= 0 && $release >= 0) { // Neither are beta
385 if($vrel < $release) return false;
386 } else if($vrel >= 0 && $release < 0){ // This is not beta, required is beta
388 } else if($vrel < 0 && $release >= 0){ // This is beta, require not beta
390 } else { // Both are beta
391 if($vrel > $release) return false;
397 /* Returns a string showing the size of the message/attachment */
398 function show_readable_size($bytes)
403 if ($bytes / 1024 > 1)
412 settype($bytes, "integer");
416 settype($bytes, "integer");
418 return $bytes . '<small> ' . $type . '</small>';
421 /* Generates a random string from the caracter set you pass in
424 * 1 = add lowercase a-z to $chars
425 * 2 = add uppercase A-Z to $chars
426 * 4 = add numbers 0-9 to $chars
429 function GenerateRandomString($size, $chars, $flags = 0)
432 $chars .= 'abcdefghijklmnopqrstuvwxyz';
434 $chars .= 'ABCDEFGHIJKLMNOPQRSTUVWXYZ';
436 $chars .= '0123456789';
438 if ($size < 1 ||
strlen($chars) < 1)
441 sq_mt_randomize(); // Initialize the random number generator
443 while (strlen($String) < $size) {
444 $String .= $chars[mt_rand(0, strlen($chars))];