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 = $beginning_spaces;
60 while ($i < count($words)) {
61 // Force one word to be on a line (minimum)
63 $line_len = strlen($beginning_spaces) +
strlen($words[$i]) +
64 strlen($words[$i +
1]) +
2;
67 // Add more words (as long as they fit)
68 while ($line_len < $wrap && $i < count($words)) {
69 $line .= ' ' . $words[$i];
71 $line_len +
= strlen($words[$i]) +
1;
74 // Skip spaces if they are the first thing on a continued line
75 while (!$words[$i] && $i < count($words)) {
79 if ($i < count($words)) {
80 $line .= "\n$beginning_spaces";
85 /** Returns an array of email addresses **/
86 function parseAddrs($text) {
87 if (trim($text) == "") {
90 $text = str_replace(" ", "", $text);
91 $text = ereg_replace( '"[^"]*"', "", $text);
92 $text = str_replace(",", ";", $text);
93 $array = explode(";", $text);
94 for ($i = 0; $i < count ($array); $i++
) {
95 $array[$i] = eregi_replace ("^.*[<]", "", $array[$i]);
96 $array[$i] = eregi_replace ("[>].*$", "", $array[$i]);
101 /** Returns a line of comma separated email addresses from an array **/
102 function getLineOfAddrs($array) {
103 if (is_array($array)) {
104 $to_line = implode(", ", $array);
105 $to_line = trim(ereg_replace(",,+", ",", $to_line));
112 function translateText(&$body, $wrap_at, $charset) {
113 global $where, $what; // from searching
115 if (!isset($url_parser_php)) {
116 include "../functions/url_parser.php";
119 $body_ary = explode("\n", $body);
120 for ($i=0; $i < count($body_ary); $i++
) {
121 $line = $body_ary[$i];
122 if (strlen($line) - 2 >= $wrap_at) {
123 sqWordWrap($line, $wrap_at);
125 $line = charset_decode($charset, $line);
126 $line = str_replace("\t", ' ', $line);
128 $line = str_replace(' ', ' ', $line);
129 $line = nl2br($line);
137 if (strpos($line, ' ', $pos) === $pos)
141 else if (strpos($line, '>', $pos) === $pos)
153 $line = "<FONT COLOR=FF0000>$line</FONT>\n";
154 } else if ($Quotes) {
155 $line = "<FONT COLOR=800000>$line</FONT>\n";
160 $line = '<tt>' . $line . '</tt>';
163 $body_ary[$i] = $line . '<br>';
165 $body = implode("\n", $body_ary);
168 /* SquirrelMail version number -- DO NOT CHANGE */
169 $version = "0.6pre1 (cvs)";
172 function find_mailbox_name ($mailbox) {
173 $mailbox = trim($mailbox);
174 if (substr($mailbox, strlen($mailbox)-1, strlen($mailbox)) == "\"") {
175 $mailbox = substr($mailbox, 0, strlen($mailbox) - 1);
176 $pos = strrpos ($mailbox, "\"")+
1;
177 $box = substr($mailbox, $pos);
179 $box = substr($mailbox, strrpos($mailbox, " ")+
1, strlen($mailbox));
184 function replace_spaces ($string) {
185 return str_replace(" ", " ", $string);
188 function replace_escaped_spaces ($string) {
189 return str_replace(" ", " ", $string);
192 function get_location () {
193 # This determines the location to forward to relative
194 # to your server. If this doesnt work correctly for
195 # you (although it should), you can remove all this
196 # code except the last two lines, and change the header()
197 # function to look something like this, customized to
198 # the location of SquirrelMail on your server:
200 # http://www.myhost.com/squirrelmail/src/login.php
202 global $PHP_SELF, $SERVER_NAME, $HTTPS, $HTTP_HOST, $SERVER_PORT;
205 $path = substr($PHP_SELF, 0, strrpos($PHP_SELF, '/'));
207 // Check if this is a HTTPS or regular HTTP request
209 if(isset($HTTPS) && $HTTPS == 'on' ) {
214 if (isset($SERVER_PORT)) {
215 if ($SERVER_PORT != 80) {
216 $port = sprintf(':%d', $SERVER_PORT);
220 // Get the hostname from the Host header or server config.
221 // Fallback is to omit the server name and use a relative URI,
222 // although this is not RFC 2616 compliant.
223 if(isset($HTTP_HOST) && !empty($HTTP_HOST)) {
224 $location = $proto . $HTTP_HOST . $port . $path;
225 } else if(isset($SERVER_NAME) && !empty($SERVER_NAME)) {
226 $location = $proto . $SERVER_NAME . $port . $path;
233 function sqStripSlashes($string) {
234 if (get_magic_quotes_gpc()) {
235 $string = stripslashes($string);
241 // These functions are used to encrypt the passowrd before it is
242 // stored in a cookie.
243 function OneTimePadEncrypt ($string, $pad) {
244 for ($i = 0; $i < strlen ($string); $i++
) {
245 $encrypted .= chr (ord($string[$i]) ^
ord($pad[$i]));
248 return base64_encode($encrypted);
251 function OneTimePadDecrypt ($string, $pad) {
252 $encrypted = base64_decode ($string);
254 for ($i = 0; $i < strlen ($encrypted); $i++
) {
255 $decrypted .= chr (ord($encrypted[$i]) ^
ord($pad[$i]));
262 // Randomize the mt_rand() function. Toss this in strings or
263 // integers and it will seed the generator appropriately.
264 // With strings, it is better to get them long. Use md5() to
265 // lengthen smaller strings.
266 function sq_mt_seed($Val)
268 // if mt_getrandmax() does not return a 2^n - 1 number,
269 // this might not work well. This uses $Max as a bitmask.
270 $Max = mt_getrandmax();
274 if (function_exists("crc32"))
284 $HighBit = $Max ^
$Mask;
285 while ($Pos < strlen($Str))
289 $Val = (($Val & $Mask) << 1) +
1;
293 $Val = ($Val & $Mask) << 1;
306 mt_srand(($Val ^
mt_rand(0, $Max)) & $Max);
310 // This function initializes the random number generator fairly well.
311 // It also only initializes it once, so you don't accidentally get
312 // the same 'random' numbers twice in one session.
313 function sq_mt_randomize()
315 global $REMOTE_PORT, $REMOTE_ADDR, $UNIQUE_ID;
322 sq_mt_seed((int)((double) microtime() * 1000000));
323 sq_mt_seed(md5($REMOTE_PORT . $REMOTE_ADDR . getmypid()));
326 if (function_exists("getrusage")) {
328 sq_mt_seed(md5($dat["ru_nswap"] . $dat["ru_majflt"] .
329 $dat["ru_utime.tv_sec"] . $dat["ru_utime.tv_usec"]));
333 sq_mt_seed(md5($UNIQUE_ID));
338 function OneTimePadCreate ($length=100) {
341 for ($i = 0; $i < $length; $i++
) {
342 $pad .= chr(mt_rand(0,255));
348 // Check if we have a required PHP-version. Return TRUE if we do,
349 // or FALSE if we don't.
350 // To check for 4.0.1, use sqCheckPHPVersion(4,0,1)
351 // To check for 4.0b3, use sqCheckPHPVersion(4,0,-3)
352 // Does not handle betas like 4.0.1b1 or development versions
353 function sqCheckPHPVersion($major, $minor, $release) {
356 eregi("^([0-9]+)\.([0-9]+)(.*)", $ver, $regs);
358 // Parse the version string
359 $vmajor = strval($regs[1]);
360 $vminor = strval($regs[2]);
363 $vrel = strval(substr($vrel, 1));
364 if($vrel[0] == "b" ||
$vrel[0] == "B")
365 $vrel = - strval(substr($vrel, 1));
366 if($vrel[0] == "r" ||
$vrel[0] == "R")
367 $vrel = - strval(substr($vrel, 2))/10;
369 // Compare major version
370 if($vmajor < $major) return false;
371 if($vmajor > $major) return true;
373 // Major is the same. Compare minor
374 if($vminor < $minor) return false;
375 if($vminor > $minor) return true;
377 // Major and minor is the same as the required one.
379 if($vrel >= 0 && $release >= 0) { // Neither are beta
380 if($vrel < $release) return false;
381 } else if($vrel >= 0 && $release < 0){ // This is not beta, required is beta
383 } else if($vrel < 0 && $release >= 0){ // This is beta, require not beta
385 } else { // Both are beta
386 if($vrel > $release) return false;
392 /* Returns a string showing the size of the message/attachment */
393 function show_readable_size($bytes)
398 if ($bytes / 1024 > 1)
407 settype($bytes, "integer");
411 settype($bytes, "integer");
413 return $bytes . '<small> ' . $type . '</small>';
416 /* Generates a random string from the caracter set you pass in
419 * 1 = add lowercase a-z to $chars
420 * 2 = add uppercase A-Z to $chars
421 * 4 = add numbers 0-9 to $chars
424 function GenerateRandomString($size, $chars, $flags = 0)
427 $chars .= 'abcdefghijklmnopqrstuvwxyz';
429 $chars .= 'ABCDEFGHIJKLMNOPQRSTUVWXYZ';
431 $chars .= '0123456789';
433 if ($size < 1 ||
strlen($chars) < 1)
436 sq_mt_randomize(); // Initialize the random number generator
438 while (strlen($String) < $size) {
439 $String .= $chars[mt_rand(0, strlen($chars))];