59177427 |
1 | <?php |
2ef37ed4 |
2 | |
3 | /* $Id$ */ |
7ce342dc |
4 | |
d068c0ec |
5 | $strings_php = true; |
6 | |
3302d0d4 |
7 | //************************************************************************* |
8 | // Count the number of occurances of $needle are in $haystack. |
9 | //************************************************************************* |
10 | function countCharInString($haystack, $needle) { |
8a549df2 |
11 | $haystack = ereg_replace("[^$needle]",'',$haystack); |
f9b3e5d9 |
12 | return strlen($haystack); |
3302d0d4 |
13 | } |
14 | |
15 | //************************************************************************* |
16 | // Read from the back of $haystack until $needle is found, or the begining |
f9b3e5d9 |
17 | // of the $haystack is reached. $needle is a single character |
3302d0d4 |
18 | //************************************************************************* |
19 | function readShortMailboxName($haystack, $needle) { |
8a549df2 |
20 | if ($needle == '') return $haystack; |
21 | if ($needle == '.') $needle = '\.'; |
1d2ce1c3 |
22 | ereg("([^$needle]+)$needle?$", $haystack, $regs); |
23 | return $regs[1]; |
3302d0d4 |
24 | } |
25 | |
5bdd7223 |
26 | //************************************************************************* |
27 | // Read from the back of $haystack until $needle is found, or the begining |
28 | // of the $haystack is reached. $needle is a single character |
29 | //************************************************************************* |
30 | function readMailboxParent($haystack, $needle) { |
8a549df2 |
31 | if ($needle == '.') $needle = '\.'; |
5bdd7223 |
32 | ereg("^(.+)$needle([^$needle]+)$needle?$", $haystack, $regs); |
33 | return $regs[1]; |
34 | } |
35 | |
8beafbbc |
36 | // Searches for the next position in a string minus white space |
37 | function next_pos_minus_white ($haystack, $pos) { |
8a549df2 |
38 | while (substr($haystack, $pos, 1) == ' ' || |
8beafbbc |
39 | substr($haystack, $pos, 1) == "\t" || |
40 | substr($haystack, $pos, 1) == "\n" || |
41 | substr($haystack, $pos, 1) == "\r") { |
42 | if ($pos >= strlen($haystack)) |
43 | return -1; |
44 | $pos++; |
45 | } |
46 | return $pos; |
47 | } |
48 | |
8467bf00 |
49 | // Wraps text at $wrap characters |
a95681a7 |
50 | // Has a problem with special HTML characters, so call this before |
51 | // you do character translation. |
52 | // Specifically, ' comes up as 5 characters instead of 1. |
01aab860 |
53 | // This should not add newlines to the end of lines. |
9eea179c |
54 | function sqWordWrap(&$line, $wrap) { |
bcad90fe |
55 | preg_match("/^([\s>]*)([^\s>].*)?$/", $line, $regs); |
45f6dd68 |
56 | $beginning_spaces = $regs[1]; |
23fd3c8e |
57 | if (isset($regs[2])) { |
58 | $words = explode(' ', $regs[2]); |
59 | } else { |
60 | $words = ""; |
61 | } |
a95681a7 |
62 | |
63 | $i = 0; |
64 | $line = $beginning_spaces; |
30f64711 |
65 | |
bcad90fe |
66 | while ($i < count($words)) { |
67 | // Force one word to be on a line (minimum) |
68 | $line .= $words[$i]; |
48f8ce2f |
69 | $line_len = strlen($beginning_spaces) + strlen($words[$i]) + 2; |
70 | if (isset($words[$i + 1])) |
71 | $line_len += strlen($words[$i + 1]); |
bcad90fe |
72 | $i ++; |
45f6dd68 |
73 | |
bcad90fe |
74 | // Add more words (as long as they fit) |
75 | while ($line_len < $wrap && $i < count($words)) { |
76 | $line .= ' ' . $words[$i]; |
77 | $i++; |
48f8ce2f |
78 | if (isset($words[$i])) |
79 | $line_len += strlen($words[$i]) + 1; |
80 | else |
81 | $line_len += 1; |
bcad90fe |
82 | } |
45f6dd68 |
83 | |
bcad90fe |
84 | // Skip spaces if they are the first thing on a continued line |
48f8ce2f |
85 | while (!isset($words[$i]) && $i < count($words)) { |
bcad90fe |
86 | $i ++; |
87 | } |
8ceb637a |
88 | |
89 | // Go to the next line if we have more to process |
bcad90fe |
90 | if ($i < count($words)) { |
91 | $line .= "\n$beginning_spaces"; |
b8ea4ed6 |
92 | } |
e550d551 |
93 | } |
e550d551 |
94 | } |
01aab860 |
95 | |
96 | |
97 | // Does the opposite of sqWordWrap() |
98 | function sqUnWordWrap(&$body) |
99 | { |
100 | $lines = explode("\n", $body); |
101 | $body = ""; |
102 | $PreviousSpaces = ""; |
103 | for ($i = 0; $i < count($lines); $i ++) |
104 | { |
105 | preg_match("/^([\s>]*)([^\s>].*)?$/", $lines[$i], $regs); |
106 | $CurrentSpaces = $regs[1]; |
48f8ce2f |
107 | if (isset($regs[2])) |
108 | $CurrentRest = $regs[2]; |
01aab860 |
109 | if ($i == 0) |
110 | { |
111 | $PreviousSpaces = $CurrentSpaces; |
112 | $body = $lines[$i]; |
113 | } |
114 | else if ($PreviousSpaces == $CurrentSpaces && // Do the beginnings match |
115 | strlen($lines[$i - 1]) > 65 && // Over 65 characters long |
116 | strlen($CurrentRest)) // and there's a line to continue with |
117 | { |
118 | $body .= ' ' . $CurrentRest; |
119 | } |
120 | else |
121 | { |
122 | $body .= "\n" . $lines[$i]; |
123 | $PreviousSpaces = $CurrentSpaces; |
124 | } |
125 | } |
126 | $body .= "\n"; |
127 | } |
128 | |
40ee9452 |
129 | |
130 | /** Returns an array of email addresses **/ |
a7f3c40d |
131 | /* Be cautious of "user@host.com" */ |
40ee9452 |
132 | function parseAddrs($text) { |
1d2ce1c3 |
133 | if (trim($text) == "") |
c5edd369 |
134 | return array(); |
8a549df2 |
135 | $text = str_replace(' ', '', $text); |
136 | $text = ereg_replace('"[^"]*"', '', $text); |
137 | $text = ereg_replace("\([^\)]*\)", '', $text); |
138 | $text = str_replace(',', ';', $text); |
139 | $array = explode(';', $text); |
1d2ce1c3 |
140 | for ($i = 0; $i < count ($array); $i++) { |
8a549df2 |
141 | $array[$i] = eregi_replace ("^.*[<]", '', $array[$i]); |
142 | $array[$i] = eregi_replace ("[>].*$", '', $array[$i]); |
1d2ce1c3 |
143 | } |
144 | return $array; |
40ee9452 |
145 | } |
146 | |
147 | /** Returns a line of comma separated email addresses from an array **/ |
148 | function getLineOfAddrs($array) { |
b676ba7e |
149 | if (is_array($array)) { |
8a549df2 |
150 | $to_line = implode(', ', $array); |
151 | $to_line = trim(ereg_replace(',,+', ',', $to_line)); |
b676ba7e |
152 | } else { |
8a549df2 |
153 | $to_line = ''; |
40ee9452 |
154 | } |
155 | return $to_line; |
156 | } |
7ce342dc |
157 | |
9eea179c |
158 | function translateText(&$body, $wrap_at, $charset) { |
9297917e |
159 | global $where, $what; // from searching |
172fd718 |
160 | global $url_parser_php; |
9297917e |
161 | |
8442ac08 |
162 | if (!isset($url_parser_php)) { |
8a549df2 |
163 | include '../functions/url_parser.php'; |
8442ac08 |
164 | } |
165 | |
a8648d75 |
166 | $body_ary = explode("\n", $body); |
8ceb637a |
167 | $PriorQuotes = 0; |
8442ac08 |
168 | for ($i=0; $i < count($body_ary); $i++) { |
a8648d75 |
169 | $line = $body_ary[$i]; |
a37f3771 |
170 | if (strlen($line) - 2 >= $wrap_at) { |
9eea179c |
171 | sqWordWrap($line, $wrap_at); |
a37f3771 |
172 | } |
a95681a7 |
173 | $line = charset_decode($charset, $line); |
174 | $line = str_replace("\t", ' ', $line); |
a37f3771 |
175 | |
9eea179c |
176 | parseUrl ($line); |
e2ef6f4b |
177 | |
9eea179c |
178 | $Quotes = 0; |
179 | $pos = 0; |
180 | while (1) |
181 | { |
8ceb637a |
182 | if ($line[$pos] == ' ') |
9eea179c |
183 | { |
8ceb637a |
184 | $pos ++; |
9eea179c |
185 | } |
186 | else if (strpos($line, '>', $pos) === $pos) |
187 | { |
188 | $pos += 4; |
189 | $Quotes ++; |
190 | } |
191 | else |
192 | { |
193 | break; |
194 | } |
195 | } |
196 | |
8ceb637a |
197 | if ($Quotes > 1) |
ccc4b58b |
198 | $line = '<FONT COLOR="FF0000">'.$line.'</FONT>'; |
8ceb637a |
199 | elseif ($Quotes) |
ccc4b58b |
200 | $line = '<FONT COLOR="800000">'.$line.'</FONT>'; |
e2ef6f4b |
201 | |
8ceb637a |
202 | $body_ary[$i] = $line; |
a8648d75 |
203 | } |
8a549df2 |
204 | $body = '<pre>' . implode("\n", $body_ary) . '</pre>'; |
78509c54 |
205 | } |
206 | |
7ce342dc |
207 | /* SquirrelMail version number -- DO NOT CHANGE */ |
8a549df2 |
208 | $version = '1.0.1 [cvs]'; |
d29aac0e |
209 | |
210 | |
211 | function find_mailbox_name ($mailbox) { |
f9b3e5d9 |
212 | /* |
d29aac0e |
213 | $mailbox = trim($mailbox); |
8a549df2 |
214 | if (substr($mailbox, strlen($mailbox)-1, strlen($mailbox)) == '"') { |
d29aac0e |
215 | $mailbox = substr($mailbox, 0, strlen($mailbox) - 1); |
8a549df2 |
216 | $pos = strrpos ($mailbox, '"')+1; |
d29aac0e |
217 | $box = substr($mailbox, $pos); |
218 | } else { |
8a549df2 |
219 | $box = substr($mailbox, strrpos($mailbox, ' ')+1, strlen($mailbox)); |
d29aac0e |
220 | } |
221 | return $box; |
f9b3e5d9 |
222 | */ |
223 | |
224 | if (ereg(" *\"([^\r\n\"]*)\"[ \r\n]*$", $mailbox, $regs)) |
225 | return $regs[1]; |
226 | ereg(" *([^ \r\n\"]*)[ \r\n]*$",$mailbox,$regs); |
227 | return $regs[1]; |
228 | |
d29aac0e |
229 | } |
230 | |
231 | function replace_spaces ($string) { |
8a549df2 |
232 | return str_replace(' ', ' ', $string); |
d29aac0e |
233 | } |
234 | |
235 | function replace_escaped_spaces ($string) { |
8a549df2 |
236 | return str_replace(' ', ' ', $string); |
d29aac0e |
237 | } |
1195c340 |
238 | |
239 | function get_location () { |
240 | # This determines the location to forward to relative |
7e343a7d |
241 | # to your server. If this doesnt work correctly for |
1195c340 |
242 | # you (although it should), you can remove all this |
243 | # code except the last two lines, and change the header() |
244 | # function to look something like this, customized to |
245 | # the location of SquirrelMail on your server: |
246 | # |
247 | # http://www.myhost.com/squirrelmail/src/login.php |
248 | |
00421cb6 |
249 | global $PHP_SELF, $SERVER_NAME, $HTTPS, $HTTP_HOST, $SERVER_PORT; |
1195c340 |
250 | |
251 | // Get the path |
252 | $path = substr($PHP_SELF, 0, strrpos($PHP_SELF, '/')); |
253 | |
254 | // Check if this is a HTTPS or regular HTTP request |
8a549df2 |
255 | $proto = 'http://'; |
16f32d4a |
256 | if(isset($HTTPS) && !strcasecmp($HTTPS, 'on') ) { |
8a549df2 |
257 | $proto = 'https://'; |
1195c340 |
258 | } |
259 | |
260 | // Get the hostname from the Host header or server config. |
8a549df2 |
261 | $host = ''; |
b768a8eb |
262 | if (isset($HTTP_HOST) && !empty($HTTP_HOST)) |
263 | { |
264 | $host = $HTTP_HOST; |
265 | } |
266 | else if (isset($SERVER_NAME) && !empty($SERVER_NAME)) |
267 | { |
268 | $host = $SERVER_NAME; |
269 | } |
270 | |
b768a8eb |
271 | $port = ''; |
272 | if (! strstr($host, ':')) |
273 | { |
274 | if (isset($SERVER_PORT)) { |
8a549df2 |
275 | if (($SERVER_PORT != 80 && $proto == 'http://') |
276 | || ($SERVER_PORT != 443 && $proto == 'https://')) { |
b768a8eb |
277 | $port = sprintf(':%d', $SERVER_PORT); |
278 | } |
279 | } |
280 | } |
281 | |
282 | if ($host) |
283 | return $proto . $host . $port . $path; |
284 | |
1195c340 |
285 | // Fallback is to omit the server name and use a relative URI, |
286 | // although this is not RFC 2616 compliant. |
b768a8eb |
287 | return $path; |
1195c340 |
288 | } |
7aaa81fc |
289 | |
290 | function sqStripSlashes($string) { |
291 | if (get_magic_quotes_gpc()) { |
292 | $string = stripslashes($string); |
293 | } |
294 | return $string; |
295 | } |
52eefafc |
296 | |
297 | |
298 | // These functions are used to encrypt the passowrd before it is |
299 | // stored in a cookie. |
59edd854 |
300 | function OneTimePadEncrypt ($string, $epad) { |
301 | $pad = base64_decode($epad); |
8a549df2 |
302 | $encrypted = ''; |
52eefafc |
303 | for ($i = 0; $i < strlen ($string); $i++) { |
304 | $encrypted .= chr (ord($string[$i]) ^ ord($pad[$i])); |
305 | } |
306 | |
307 | return base64_encode($encrypted); |
308 | } |
309 | |
59edd854 |
310 | function OneTimePadDecrypt ($string, $epad) { |
311 | $pad = base64_decode($epad); |
52eefafc |
312 | $encrypted = base64_decode ($string); |
8a549df2 |
313 | $decrypted = ''; |
52eefafc |
314 | for ($i = 0; $i < strlen ($encrypted); $i++) { |
315 | $decrypted .= chr (ord($encrypted[$i]) ^ ord($pad[$i])); |
316 | } |
317 | |
318 | return $decrypted; |
319 | } |
320 | |
580e1793 |
321 | |
dcaf2a49 |
322 | // Randomize the mt_rand() function. Toss this in strings or |
323 | // integers and it will seed the generator appropriately. |
324 | // With strings, it is better to get them long. Use md5() to |
325 | // lengthen smaller strings. |
326 | function sq_mt_seed($Val) |
327 | { |
328 | // if mt_getrandmax() does not return a 2^n - 1 number, |
329 | // this might not work well. This uses $Max as a bitmask. |
330 | $Max = mt_getrandmax(); |
331 | |
332 | if (! is_int($Val)) |
333 | { |
8a549df2 |
334 | if (function_exists('crc32')) |
dcaf2a49 |
335 | { |
336 | $Val = crc32($Val); |
337 | } |
338 | else |
339 | { |
340 | $Str = $Val; |
341 | $Pos = 0; |
342 | $Val = 0; |
343 | $Mask = $Max / 2; |
344 | $HighBit = $Max ^ $Mask; |
345 | while ($Pos < strlen($Str)) |
346 | { |
347 | if ($Val & $HighBit) |
348 | { |
349 | $Val = (($Val & $Mask) << 1) + 1; |
350 | } |
351 | else |
352 | { |
353 | $Val = ($Val & $Mask) << 1; |
354 | } |
355 | $Val ^= $Str[$Pos]; |
356 | $Pos ++; |
357 | } |
358 | } |
359 | } |
580e1793 |
360 | |
dcaf2a49 |
361 | if ($Val < 0) |
362 | $Val *= -1; |
363 | if ($Val = 0) |
364 | return; |
365 | |
366 | mt_srand(($Val ^ mt_rand(0, $Max)) & $Max); |
367 | } |
368 | |
369 | |
370 | // This function initializes the random number generator fairly well. |
371 | // It also only initializes it once, so you don't accidentally get |
372 | // the same 'random' numbers twice in one session. |
373 | function sq_mt_randomize() |
374 | { |
375 | global $REMOTE_PORT, $REMOTE_ADDR, $UNIQUE_ID; |
376 | static $randomized; |
377 | |
378 | if ($randomized) |
379 | return; |
380 | |
381 | // Global |
382 | sq_mt_seed((int)((double) microtime() * 1000000)); |
383 | sq_mt_seed(md5($REMOTE_PORT . $REMOTE_ADDR . getmypid())); |
384 | |
385 | // getrusage |
8a549df2 |
386 | if (function_exists('getrusage')) { |
dcaf2a49 |
387 | $dat = getrusage(); |
8a549df2 |
388 | $Str = ''; |
245a6892 |
389 | foreach ($dat as $k => $v) |
390 | { |
391 | $Str .= "$k = $v\n"; |
392 | } |
393 | sq_mt_seed(md5($Str)); |
dcaf2a49 |
394 | } |
395 | |
396 | // Apache-specific |
397 | sq_mt_seed(md5($UNIQUE_ID)); |
398 | |
399 | $randomized = 1; |
400 | } |
401 | |
402 | function OneTimePadCreate ($length=100) { |
403 | sq_mt_randomize(); |
245a6892 |
404 | |
8a549df2 |
405 | $pad = ''; |
52eefafc |
406 | for ($i = 0; $i < $length; $i++) { |
dcaf2a49 |
407 | $pad .= chr(mt_rand(0,255)); |
52eefafc |
408 | } |
409 | |
59edd854 |
410 | return base64_encode($pad); |
52eefafc |
411 | } |
412 | |
f79af863 |
413 | // Check if we have a required PHP-version. Return TRUE if we do, |
414 | // or FALSE if we don't. |
415 | // To check for 4.0.1, use sqCheckPHPVersion(4,0,1) |
416 | // To check for 4.0b3, use sqCheckPHPVersion(4,0,-3) |
417 | // Does not handle betas like 4.0.1b1 or development versions |
418 | function sqCheckPHPVersion($major, $minor, $release) { |
419 | |
420 | $ver = phpversion(); |
421 | eregi("^([0-9]+)\.([0-9]+)(.*)", $ver, $regs); |
422 | |
423 | // Parse the version string |
424 | $vmajor = strval($regs[1]); |
425 | $vminor = strval($regs[2]); |
426 | $vrel = $regs[3]; |
427 | if($vrel[0] == ".") |
428 | $vrel = strval(substr($vrel, 1)); |
8a549df2 |
429 | if($vrel[0] == 'b' || $vrel[0] == 'B') |
f79af863 |
430 | $vrel = - strval(substr($vrel, 1)); |
8a549df2 |
431 | if($vrel[0] == 'r' || $vrel[0] == 'R') |
f79af863 |
432 | $vrel = - strval(substr($vrel, 2))/10; |
433 | |
b5afdff0 |
434 | // Compare major version |
f79af863 |
435 | if($vmajor < $major) return false; |
b5afdff0 |
436 | if($vmajor > $major) return true; |
437 | |
438 | // Major is the same. Compare minor |
f79af863 |
439 | if($vminor < $minor) return false; |
b5afdff0 |
440 | if($vminor > $minor) return true; |
f79af863 |
441 | |
b5afdff0 |
442 | // Major and minor is the same as the required one. |
f79af863 |
443 | // Compare release |
444 | if($vrel >= 0 && $release >= 0) { // Neither are beta |
445 | if($vrel < $release) return false; |
446 | } else if($vrel >= 0 && $release < 0){ // This is not beta, required is beta |
447 | return true; |
448 | } else if($vrel < 0 && $release >= 0){ // This is beta, require not beta |
449 | return false; |
450 | } else { // Both are beta |
451 | if($vrel > $release) return false; |
452 | } |
453 | |
454 | return true; |
455 | } |
6e7468f6 |
456 | |
457 | /* Returns a string showing the size of the message/attachment */ |
458 | function show_readable_size($bytes) |
459 | { |
460 | $bytes /= 1024; |
461 | $type = 'k'; |
462 | |
463 | if ($bytes / 1024 > 1) |
464 | { |
465 | $bytes /= 1024; |
466 | $type = 'm'; |
467 | } |
468 | |
469 | if ($bytes < 10) |
470 | { |
471 | $bytes *= 10; |
8a549df2 |
472 | settype($bytes, 'integer'); |
6e7468f6 |
473 | $bytes /= 10; |
474 | } |
475 | else |
8a549df2 |
476 | settype($bytes, 'integer'); |
6e7468f6 |
477 | |
478 | return $bytes . '<small> ' . $type . '</small>'; |
479 | } |
f79af863 |
480 | |
1899535f |
481 | /* Generates a random string from the caracter set you pass in |
482 | * |
483 | * Flags: |
484 | * 1 = add lowercase a-z to $chars |
485 | * 2 = add uppercase A-Z to $chars |
486 | * 4 = add numbers 0-9 to $chars |
487 | */ |
488 | |
489 | function GenerateRandomString($size, $chars, $flags = 0) |
490 | { |
491 | if ($flags & 0x1) |
492 | $chars .= 'abcdefghijklmnopqrstuvwxyz'; |
493 | if ($flags & 0x2) |
494 | $chars .= 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'; |
495 | if ($flags & 0x4) |
496 | $chars .= '0123456789'; |
497 | |
498 | if ($size < 1 || strlen($chars) < 1) |
8a549df2 |
499 | return ''; |
1899535f |
500 | |
501 | sq_mt_randomize(); // Initialize the random number generator |
502 | |
ccc4b58b |
503 | $String = ""; |
1899535f |
504 | while (strlen($String) < $size) { |
505 | $String .= $chars[mt_rand(0, strlen($chars))]; |
506 | } |
507 | |
508 | return $String; |
509 | } |
510 | |
ccc4b58b |
511 | ?> |