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 $wrap characters
48 // Has a problem with special HTML characters, so call this before
49 // you do character translation.
50 // Specifically, ' comes up as 5 characters instead of 1.
51 // This should not add newlines to the end of lines.
52 function sqWordWrap(&$line, $wrap) {
53 preg_match("/^([\s>]*)([^\s>].*)?$/", $line, $regs);
54 $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";
86 // Does the opposite of sqWordWrap()
87 function sqUnWordWrap(&$body)
89 $lines = explode("\n", $body);
92 for ($i = 0; $i < count($lines); $i ++
)
94 preg_match("/^([\s>]*)([^\s>].*)?$/", $lines[$i], $regs);
95 $CurrentSpaces = $regs[1];
96 $CurrentRest = $regs[2];
99 $PreviousSpaces = $CurrentSpaces;
102 else if ($PreviousSpaces == $CurrentSpaces && // Do the beginnings match
103 strlen($lines[$i - 1]) > 65 && // Over 65 characters long
104 strlen($CurrentRest)) // and there's a line to continue with
106 $body .= ' ' . $CurrentRest;
110 $body .= "\n" . $lines[$i];
111 $PreviousSpaces = $CurrentSpaces;
118 /** Returns an array of email addresses **/
119 function parseAddrs($text) {
120 if (trim($text) == "") {
123 $text = str_replace(" ", "", $text);
124 $text = ereg_replace( '"[^"]*"', "", $text);
125 $text = str_replace(",", ";", $text);
126 $array = explode(";", $text);
127 for ($i = 0; $i < count ($array); $i++
) {
128 $array[$i] = eregi_replace ("^.*[<]", "", $array[$i]);
129 $array[$i] = eregi_replace ("[>].*$", "", $array[$i]);
134 /** Returns a line of comma separated email addresses from an array **/
135 function getLineOfAddrs($array) {
136 if (is_array($array)) {
137 $to_line = implode(", ", $array);
138 $to_line = trim(ereg_replace(",,+", ",", $to_line));
145 function translateText(&$body, $wrap_at, $charset) {
146 global $where, $what; // from searching
148 if (!isset($url_parser_php)) {
149 include "../functions/url_parser.php";
152 $body_ary = explode("\n", $body);
153 for ($i=0; $i < count($body_ary); $i++
) {
154 $line = $body_ary[$i];
155 if (strlen($line) - 2 >= $wrap_at) {
156 sqWordWrap($line, $wrap_at);
158 $line = charset_decode($charset, $line);
159 $line = str_replace("\t", ' ', $line);
161 // We need to do it twice to catch times where there
162 // are an odd number of spaces
163 if (ereg("^ (.*)$", $line, $regs))
164 $line = " " . $regs[1];
165 $line = str_replace(' ', ' ', $line);
166 $line = str_replace(' ', ' ', $line);
167 $line = nl2br($line);
175 if (strpos($line, ' ', $pos) === $pos)
179 else if (strpos($line, '>', $pos) === $pos)
191 $line = "<FONT COLOR=FF0000>$line</FONT>\n";
192 } else if ($Quotes) {
193 $line = "<FONT COLOR=800000>$line</FONT>\n";
198 $line = '<tt>' . $line . '</tt>';
201 $body_ary[$i] = $line . '<br>';
203 $body = implode("\n", $body_ary);
206 /* SquirrelMail version number -- DO NOT CHANGE */
207 $version = "0.6pre1 (cvs)";
210 function find_mailbox_name ($mailbox) {
211 $mailbox = trim($mailbox);
212 if (substr($mailbox, strlen($mailbox)-1, strlen($mailbox)) == "\"") {
213 $mailbox = substr($mailbox, 0, strlen($mailbox) - 1);
214 $pos = strrpos ($mailbox, "\"")+
1;
215 $box = substr($mailbox, $pos);
217 $box = substr($mailbox, strrpos($mailbox, " ")+
1, strlen($mailbox));
222 function replace_spaces ($string) {
223 return str_replace(" ", " ", $string);
226 function replace_escaped_spaces ($string) {
227 return str_replace(" ", " ", $string);
230 function get_location () {
231 # This determines the location to forward to relative
232 # to your server. If this doesnt work correctly for
233 # you (although it should), you can remove all this
234 # code except the last two lines, and change the header()
235 # function to look something like this, customized to
236 # the location of SquirrelMail on your server:
238 # http://www.myhost.com/squirrelmail/src/login.php
240 global $PHP_SELF, $SERVER_NAME, $HTTPS, $HTTP_HOST, $SERVER_PORT;
243 $path = substr($PHP_SELF, 0, strrpos($PHP_SELF, '/'));
245 // Check if this is a HTTPS or regular HTTP request
247 if(isset($HTTPS) && $HTTPS == 'on' ) {
251 // Get the hostname from the Host header or server config.
253 if (isset($HTTP_HOST) && !empty($HTTP_HOST))
257 else if (isset($SERVER_NAME) && !empty($SERVER_NAME))
259 $host = $SERVER_NAME;
263 if (! strstr($host, ':'))
265 if (isset($SERVER_PORT)) {
266 if ($SERVER_PORT != 80) {
267 $port = sprintf(':%d', $SERVER_PORT);
273 return $proto . $host . $port . $path;
275 // Fallback is to omit the server name and use a relative URI,
276 // although this is not RFC 2616 compliant.
280 function sqStripSlashes($string) {
281 if (get_magic_quotes_gpc()) {
282 $string = stripslashes($string);
288 // These functions are used to encrypt the passowrd before it is
289 // stored in a cookie.
290 function OneTimePadEncrypt ($string, $pad) {
291 for ($i = 0; $i < strlen ($string); $i++
) {
292 $encrypted .= chr (ord($string[$i]) ^
ord($pad[$i]));
295 return base64_encode($encrypted);
298 function OneTimePadDecrypt ($string, $pad) {
299 $encrypted = base64_decode ($string);
301 for ($i = 0; $i < strlen ($encrypted); $i++
) {
302 $decrypted .= chr (ord($encrypted[$i]) ^
ord($pad[$i]));
309 // Randomize the mt_rand() function. Toss this in strings or
310 // integers and it will seed the generator appropriately.
311 // With strings, it is better to get them long. Use md5() to
312 // lengthen smaller strings.
313 function sq_mt_seed($Val)
315 // if mt_getrandmax() does not return a 2^n - 1 number,
316 // this might not work well. This uses $Max as a bitmask.
317 $Max = mt_getrandmax();
321 if (function_exists("crc32"))
331 $HighBit = $Max ^
$Mask;
332 while ($Pos < strlen($Str))
336 $Val = (($Val & $Mask) << 1) +
1;
340 $Val = ($Val & $Mask) << 1;
353 mt_srand(($Val ^
mt_rand(0, $Max)) & $Max);
357 // This function initializes the random number generator fairly well.
358 // It also only initializes it once, so you don't accidentally get
359 // the same 'random' numbers twice in one session.
360 function sq_mt_randomize()
362 global $REMOTE_PORT, $REMOTE_ADDR, $UNIQUE_ID;
369 sq_mt_seed((int)((double) microtime() * 1000000));
370 sq_mt_seed(md5($REMOTE_PORT . $REMOTE_ADDR . getmypid()));
373 if (function_exists("getrusage")) {
375 sq_mt_seed(md5($dat["ru_nswap"] . $dat["ru_majflt"] .
376 $dat["ru_utime.tv_sec"] . $dat["ru_utime.tv_usec"]));
380 sq_mt_seed(md5($UNIQUE_ID));
385 function OneTimePadCreate ($length=100) {
388 for ($i = 0; $i < $length; $i++
) {
389 $pad .= chr(mt_rand(0,255));
395 // Check if we have a required PHP-version. Return TRUE if we do,
396 // or FALSE if we don't.
397 // To check for 4.0.1, use sqCheckPHPVersion(4,0,1)
398 // To check for 4.0b3, use sqCheckPHPVersion(4,0,-3)
399 // Does not handle betas like 4.0.1b1 or development versions
400 function sqCheckPHPVersion($major, $minor, $release) {
403 eregi("^([0-9]+)\.([0-9]+)(.*)", $ver, $regs);
405 // Parse the version string
406 $vmajor = strval($regs[1]);
407 $vminor = strval($regs[2]);
410 $vrel = strval(substr($vrel, 1));
411 if($vrel[0] == "b" ||
$vrel[0] == "B")
412 $vrel = - strval(substr($vrel, 1));
413 if($vrel[0] == "r" ||
$vrel[0] == "R")
414 $vrel = - strval(substr($vrel, 2))/10;
416 // Compare major version
417 if($vmajor < $major) return false;
418 if($vmajor > $major) return true;
420 // Major is the same. Compare minor
421 if($vminor < $minor) return false;
422 if($vminor > $minor) return true;
424 // Major and minor is the same as the required one.
426 if($vrel >= 0 && $release >= 0) { // Neither are beta
427 if($vrel < $release) return false;
428 } else if($vrel >= 0 && $release < 0){ // This is not beta, required is beta
430 } else if($vrel < 0 && $release >= 0){ // This is beta, require not beta
432 } else { // Both are beta
433 if($vrel > $release) return false;
439 /* Returns a string showing the size of the message/attachment */
440 function show_readable_size($bytes)
445 if ($bytes / 1024 > 1)
454 settype($bytes, "integer");
458 settype($bytes, "integer");
460 return $bytes . '<small> ' . $type . '</small>';
463 /* Generates a random string from the caracter set you pass in
466 * 1 = add lowercase a-z to $chars
467 * 2 = add uppercase A-Z to $chars
468 * 4 = add numbers 0-9 to $chars
471 function GenerateRandomString($size, $chars, $flags = 0)
474 $chars .= 'abcdefghijklmnopqrstuvwxyz';
476 $chars .= 'ABCDEFGHIJKLMNOPQRSTUVWXYZ';
478 $chars .= '0123456789';
480 if ($size < 1 ||
strlen($chars) < 1)
483 sq_mt_randomize(); // Initialize the random number generator
485 while (strlen($String) < $size) {
486 $String .= $chars[mt_rand(0, strlen($chars))];