59177427 |
1 | <?php |
2ef37ed4 |
2 | |
3 | /* $Id$ */ |
7ce342dc |
4 | |
f435778e |
5 | if (defined('strings_php')) |
6 | return; |
7 | define('strings_php', true); |
d51894be |
8 | |
d068c0ec |
9 | |
3302d0d4 |
10 | //************************************************************************* |
11 | // Count the number of occurances of $needle are in $haystack. |
37a17ace |
12 | // $needle can be a character or string, and need not occur in $haystack |
3302d0d4 |
13 | //************************************************************************* |
14 | function countCharInString($haystack, $needle) { |
37a17ace |
15 | if ($needle == '') return 0; |
16 | return count(explode($needle, $haystack)); |
3302d0d4 |
17 | } |
18 | |
19 | //************************************************************************* |
20 | // Read from the back of $haystack until $needle is found, or the begining |
f9b3e5d9 |
21 | // of the $haystack is reached. $needle is a single character |
3302d0d4 |
22 | //************************************************************************* |
23 | function readShortMailboxName($haystack, $needle) { |
8a549df2 |
24 | if ($needle == '') return $haystack; |
37a17ace |
25 | $parts = explode($needle, $haystack); |
26 | $elem = array_pop($parts); |
27 | while ($elem == '' && count($parts)) |
28 | { |
29 | $elem = array_pop($parts); |
30 | } |
31 | return $elem; |
3302d0d4 |
32 | } |
33 | |
5bdd7223 |
34 | //************************************************************************* |
35 | // Read from the back of $haystack until $needle is found, or the begining |
36 | // of the $haystack is reached. $needle is a single character |
37 | //************************************************************************* |
38 | function readMailboxParent($haystack, $needle) { |
37a17ace |
39 | if ($needle == '') return ''; |
40 | $parts = explode($needle, $haystack); |
41 | $elem = array_pop($parts); |
42 | while ($elem == '' && count($parts)) |
43 | { |
44 | $elem = array_pop($parts); |
45 | } |
46 | return join($needle, $parts); |
5bdd7223 |
47 | } |
48 | |
8beafbbc |
49 | // Searches for the next position in a string minus white space |
50 | function next_pos_minus_white ($haystack, $pos) { |
8a549df2 |
51 | while (substr($haystack, $pos, 1) == ' ' || |
8beafbbc |
52 | substr($haystack, $pos, 1) == "\t" || |
53 | substr($haystack, $pos, 1) == "\n" || |
54 | substr($haystack, $pos, 1) == "\r") { |
55 | if ($pos >= strlen($haystack)) |
56 | return -1; |
57 | $pos++; |
58 | } |
59 | return $pos; |
60 | } |
61 | |
8467bf00 |
62 | // Wraps text at $wrap characters |
a95681a7 |
63 | // Has a problem with special HTML characters, so call this before |
64 | // you do character translation. |
65 | // Specifically, ' comes up as 5 characters instead of 1. |
01aab860 |
66 | // This should not add newlines to the end of lines. |
9eea179c |
67 | function sqWordWrap(&$line, $wrap) { |
146e0c45 |
68 | ereg("^([\t >]*)([^\t >].*)?$", $line, $regs); |
45f6dd68 |
69 | $beginning_spaces = $regs[1]; |
65f5b1c4 |
70 | if (isset($regs[2])) { |
23fd3c8e |
71 | $words = explode(' ', $regs[2]); |
72 | } else { |
73 | $words = ""; |
65f5b1c4 |
74 | } |
a95681a7 |
75 | |
76 | $i = 0; |
77 | $line = $beginning_spaces; |
30f64711 |
78 | |
bcad90fe |
79 | while ($i < count($words)) { |
80 | // Force one word to be on a line (minimum) |
81 | $line .= $words[$i]; |
48f8ce2f |
82 | $line_len = strlen($beginning_spaces) + strlen($words[$i]) + 2; |
65f5b1c4 |
83 | if (isset($words[$i + 1])) |
84 | $line_len += strlen($words[$i + 1]); |
bcad90fe |
85 | $i ++; |
45f6dd68 |
86 | |
bcad90fe |
87 | // Add more words (as long as they fit) |
88 | while ($line_len < $wrap && $i < count($words)) { |
89 | $line .= ' ' . $words[$i]; |
90 | $i++; |
65f5b1c4 |
91 | if (isset($words[$i])) |
48f8ce2f |
92 | $line_len += strlen($words[$i]) + 1; |
65f5b1c4 |
93 | else |
94 | $line_len += 1; |
bcad90fe |
95 | } |
45f6dd68 |
96 | |
bcad90fe |
97 | // Skip spaces if they are the first thing on a continued line |
48f8ce2f |
98 | while (!isset($words[$i]) && $i < count($words)) { |
bcad90fe |
99 | $i ++; |
100 | } |
8ceb637a |
101 | |
102 | // Go to the next line if we have more to process |
bcad90fe |
103 | if ($i < count($words)) { |
5be8bbd8 |
104 | $line .= "\n" . $beginning_spaces; |
b8ea4ed6 |
105 | } |
e550d551 |
106 | } |
e550d551 |
107 | } |
01aab860 |
108 | |
109 | |
110 | // Does the opposite of sqWordWrap() |
111 | function sqUnWordWrap(&$body) |
112 | { |
113 | $lines = explode("\n", $body); |
114 | $body = ""; |
115 | $PreviousSpaces = ""; |
116 | for ($i = 0; $i < count($lines); $i ++) |
117 | { |
146e0c45 |
118 | ereg("^([\t >]*)([^\t >].*)?$", $lines[$i], $regs); |
01aab860 |
119 | $CurrentSpaces = $regs[1]; |
65f5b1c4 |
120 | if (isset($regs[2])) |
48f8ce2f |
121 | $CurrentRest = $regs[2]; |
01aab860 |
122 | if ($i == 0) |
123 | { |
124 | $PreviousSpaces = $CurrentSpaces; |
125 | $body = $lines[$i]; |
126 | } |
127 | else if ($PreviousSpaces == $CurrentSpaces && // Do the beginnings match |
128 | strlen($lines[$i - 1]) > 65 && // Over 65 characters long |
129 | strlen($CurrentRest)) // and there's a line to continue with |
130 | { |
131 | $body .= ' ' . $CurrentRest; |
132 | } |
133 | else |
134 | { |
135 | $body .= "\n" . $lines[$i]; |
136 | $PreviousSpaces = $CurrentSpaces; |
137 | } |
138 | } |
139 | $body .= "\n"; |
140 | } |
141 | |
40ee9452 |
142 | |
143 | /** Returns an array of email addresses **/ |
a7f3c40d |
144 | /* Be cautious of "user@host.com" */ |
40ee9452 |
145 | function parseAddrs($text) { |
1d2ce1c3 |
146 | if (trim($text) == "") |
c5edd369 |
147 | return array(); |
8a549df2 |
148 | $text = str_replace(' ', '', $text); |
149 | $text = ereg_replace('"[^"]*"', '', $text); |
5be8bbd8 |
150 | $text = ereg_replace('\\([^\\)]*\\)', '', $text); |
8a549df2 |
151 | $text = str_replace(',', ';', $text); |
152 | $array = explode(';', $text); |
1d2ce1c3 |
153 | for ($i = 0; $i < count ($array); $i++) { |
65f5b1c4 |
154 | $array[$i] = eregi_replace ("^.*[<]", '', $array[$i]); |
155 | $array[$i] = eregi_replace ("[>].*$", '', $array[$i]); |
156 | } |
1d2ce1c3 |
157 | return $array; |
40ee9452 |
158 | } |
159 | |
160 | /** Returns a line of comma separated email addresses from an array **/ |
161 | function getLineOfAddrs($array) { |
b676ba7e |
162 | if (is_array($array)) { |
8a549df2 |
163 | $to_line = implode(', ', $array); |
0cd84d75 |
164 | $to_line = trim(ereg_replace(', (, )+', ', ', $to_line)); |
b676ba7e |
165 | } else { |
8a549df2 |
166 | $to_line = ''; |
40ee9452 |
167 | } |
168 | return $to_line; |
169 | } |
7ce342dc |
170 | |
9eea179c |
171 | function translateText(&$body, $wrap_at, $charset) { |
9297917e |
172 | global $where, $what; // from searching |
173 | |
f435778e |
174 | include '../functions/url_parser.php'; |
8442ac08 |
175 | |
a8648d75 |
176 | $body_ary = explode("\n", $body); |
8ceb637a |
177 | $PriorQuotes = 0; |
8442ac08 |
178 | for ($i=0; $i < count($body_ary); $i++) { |
a8648d75 |
179 | $line = $body_ary[$i]; |
a37f3771 |
180 | if (strlen($line) - 2 >= $wrap_at) { |
9eea179c |
181 | sqWordWrap($line, $wrap_at); |
a37f3771 |
182 | } |
a95681a7 |
183 | $line = charset_decode($charset, $line); |
184 | $line = str_replace("\t", ' ', $line); |
a37f3771 |
185 | |
9eea179c |
186 | parseUrl ($line); |
e2ef6f4b |
187 | |
9eea179c |
188 | $Quotes = 0; |
189 | $pos = 0; |
190 | while (1) |
191 | { |
8ceb637a |
192 | if ($line[$pos] == ' ') |
9eea179c |
193 | { |
8ceb637a |
194 | $pos ++; |
9eea179c |
195 | } |
196 | else if (strpos($line, '>', $pos) === $pos) |
197 | { |
198 | $pos += 4; |
199 | $Quotes ++; |
200 | } |
201 | else |
202 | { |
203 | break; |
204 | } |
205 | } |
206 | |
8ceb637a |
207 | if ($Quotes > 1) |
ccc4b58b |
208 | $line = '<FONT COLOR="FF0000">'.$line.'</FONT>'; |
8ceb637a |
209 | elseif ($Quotes) |
ccc4b58b |
210 | $line = '<FONT COLOR="800000">'.$line.'</FONT>'; |
e2ef6f4b |
211 | |
8ceb637a |
212 | $body_ary[$i] = $line; |
a8648d75 |
213 | } |
8a549df2 |
214 | $body = '<pre>' . implode("\n", $body_ary) . '</pre>'; |
78509c54 |
215 | } |
216 | |
7ce342dc |
217 | /* SquirrelMail version number -- DO NOT CHANGE */ |
f435778e |
218 | global $version; |
ceae39cc |
219 | $version = '1.1.0 [cvs]'; |
d29aac0e |
220 | |
221 | |
222 | function find_mailbox_name ($mailbox) { |
f9b3e5d9 |
223 | if (ereg(" *\"([^\r\n\"]*)\"[ \r\n]*$", $mailbox, $regs)) |
224 | return $regs[1]; |
225 | ereg(" *([^ \r\n\"]*)[ \r\n]*$",$mailbox,$regs); |
226 | return $regs[1]; |
227 | |
d29aac0e |
228 | } |
229 | |
1195c340 |
230 | function get_location () { |
231 | # This determines the location to forward to relative |
7e343a7d |
232 | # to your server. If this doesnt work correctly for |
1195c340 |
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: |
237 | # |
238 | # http://www.myhost.com/squirrelmail/src/login.php |
239 | |
00421cb6 |
240 | global $PHP_SELF, $SERVER_NAME, $HTTPS, $HTTP_HOST, $SERVER_PORT; |
1195c340 |
241 | |
841291c2 |
242 | // check for HTTPS mode (you must have 'SSLOptions +StdEnvVars' |
243 | // in your apache config). |
244 | $HTTPS=getenv(HTTPS); |
245 | |
1195c340 |
246 | // Get the path |
247 | $path = substr($PHP_SELF, 0, strrpos($PHP_SELF, '/')); |
248 | |
249 | // Check if this is a HTTPS or regular HTTP request |
8a549df2 |
250 | $proto = 'http://'; |
16f32d4a |
251 | if(isset($HTTPS) && !strcasecmp($HTTPS, 'on') ) { |
8a549df2 |
252 | $proto = 'https://'; |
1195c340 |
253 | } |
254 | |
255 | // Get the hostname from the Host header or server config. |
8a549df2 |
256 | $host = ''; |
b768a8eb |
257 | if (isset($HTTP_HOST) && !empty($HTTP_HOST)) |
258 | { |
259 | $host = $HTTP_HOST; |
260 | } |
261 | else if (isset($SERVER_NAME) && !empty($SERVER_NAME)) |
262 | { |
263 | $host = $SERVER_NAME; |
264 | } |
265 | |
b768a8eb |
266 | $port = ''; |
267 | if (! strstr($host, ':')) |
268 | { |
269 | if (isset($SERVER_PORT)) { |
8a549df2 |
270 | if (($SERVER_PORT != 80 && $proto == 'http://') |
271 | || ($SERVER_PORT != 443 && $proto == 'https://')) { |
b768a8eb |
272 | $port = sprintf(':%d', $SERVER_PORT); |
273 | } |
274 | } |
275 | } |
276 | |
277 | if ($host) |
278 | return $proto . $host . $port . $path; |
279 | |
1195c340 |
280 | // Fallback is to omit the server name and use a relative URI, |
281 | // although this is not RFC 2616 compliant. |
b768a8eb |
282 | return $path; |
1195c340 |
283 | } |
7aaa81fc |
284 | |
52eefafc |
285 | |
286 | // These functions are used to encrypt the passowrd before it is |
287 | // stored in a cookie. |
59edd854 |
288 | function OneTimePadEncrypt ($string, $epad) { |
289 | $pad = base64_decode($epad); |
8a549df2 |
290 | $encrypted = ''; |
52eefafc |
291 | for ($i = 0; $i < strlen ($string); $i++) { |
65f5b1c4 |
292 | $encrypted .= chr (ord($string[$i]) ^ ord($pad[$i])); |
52eefafc |
293 | } |
294 | |
295 | return base64_encode($encrypted); |
296 | } |
297 | |
59edd854 |
298 | function OneTimePadDecrypt ($string, $epad) { |
299 | $pad = base64_decode($epad); |
52eefafc |
300 | $encrypted = base64_decode ($string); |
8a549df2 |
301 | $decrypted = ''; |
52eefafc |
302 | for ($i = 0; $i < strlen ($encrypted); $i++) { |
65f5b1c4 |
303 | $decrypted .= chr (ord($encrypted[$i]) ^ ord($pad[$i])); |
52eefafc |
304 | } |
305 | |
306 | return $decrypted; |
307 | } |
308 | |
580e1793 |
309 | |
dcaf2a49 |
310 | // Randomize the mt_rand() function. Toss this in strings or |
311 | // integers and it will seed the generator appropriately. |
312 | // With strings, it is better to get them long. Use md5() to |
313 | // lengthen smaller strings. |
314 | function sq_mt_seed($Val) |
315 | { |
316 | // if mt_getrandmax() does not return a 2^n - 1 number, |
317 | // this might not work well. This uses $Max as a bitmask. |
318 | $Max = mt_getrandmax(); |
319 | |
320 | if (! is_int($Val)) |
321 | { |
8a549df2 |
322 | if (function_exists('crc32')) |
dcaf2a49 |
323 | { |
324 | $Val = crc32($Val); |
325 | } |
326 | else |
327 | { |
328 | $Str = $Val; |
329 | $Pos = 0; |
330 | $Val = 0; |
331 | $Mask = $Max / 2; |
332 | $HighBit = $Max ^ $Mask; |
333 | while ($Pos < strlen($Str)) |
334 | { |
335 | if ($Val & $HighBit) |
336 | { |
337 | $Val = (($Val & $Mask) << 1) + 1; |
338 | } |
339 | else |
340 | { |
341 | $Val = ($Val & $Mask) << 1; |
342 | } |
343 | $Val ^= $Str[$Pos]; |
344 | $Pos ++; |
345 | } |
346 | } |
347 | } |
580e1793 |
348 | |
dcaf2a49 |
349 | if ($Val < 0) |
350 | $Val *= -1; |
351 | if ($Val = 0) |
352 | return; |
353 | |
354 | mt_srand(($Val ^ mt_rand(0, $Max)) & $Max); |
355 | } |
356 | |
357 | |
358 | // This function initializes the random number generator fairly well. |
359 | // It also only initializes it once, so you don't accidentally get |
360 | // the same 'random' numbers twice in one session. |
361 | function sq_mt_randomize() |
362 | { |
363 | global $REMOTE_PORT, $REMOTE_ADDR, $UNIQUE_ID; |
364 | static $randomized; |
365 | |
366 | if ($randomized) |
367 | return; |
368 | |
369 | // Global |
370 | sq_mt_seed((int)((double) microtime() * 1000000)); |
371 | sq_mt_seed(md5($REMOTE_PORT . $REMOTE_ADDR . getmypid())); |
372 | |
373 | // getrusage |
8a549df2 |
374 | if (function_exists('getrusage')) { |
821a8e9c |
375 | // Avoid warnings with Win32 |
376 | $dat = @getrusage(); |
377 | if (isset($dat) && is_array($dat)) |
378 | { |
379 | $Str = ''; |
380 | foreach ($dat as $k => $v) |
381 | { |
382 | $Str .= $k . $v; |
383 | } |
384 | sq_mt_seed(md5($Str)); |
385 | } |
dcaf2a49 |
386 | } |
387 | |
388 | // Apache-specific |
389 | sq_mt_seed(md5($UNIQUE_ID)); |
390 | |
391 | $randomized = 1; |
392 | } |
393 | |
394 | function OneTimePadCreate ($length=100) { |
395 | sq_mt_randomize(); |
245a6892 |
396 | |
8a549df2 |
397 | $pad = ''; |
52eefafc |
398 | for ($i = 0; $i < $length; $i++) { |
65f5b1c4 |
399 | $pad .= chr(mt_rand(0,255)); |
52eefafc |
400 | } |
401 | |
59edd854 |
402 | return base64_encode($pad); |
52eefafc |
403 | } |
404 | |
f79af863 |
405 | // Check if we have a required PHP-version. Return TRUE if we do, |
406 | // or FALSE if we don't. |
407 | // To check for 4.0.1, use sqCheckPHPVersion(4,0,1) |
408 | // To check for 4.0b3, use sqCheckPHPVersion(4,0,-3) |
409 | // Does not handle betas like 4.0.1b1 or development versions |
410 | function sqCheckPHPVersion($major, $minor, $release) { |
411 | |
412 | $ver = phpversion(); |
5be8bbd8 |
413 | eregi('^([0-9]+)\\.([0-9]+)(.*)', $ver, $regs); |
f79af863 |
414 | |
415 | // Parse the version string |
416 | $vmajor = strval($regs[1]); |
417 | $vminor = strval($regs[2]); |
418 | $vrel = $regs[3]; |
419 | if($vrel[0] == ".") |
65f5b1c4 |
420 | $vrel = strval(substr($vrel, 1)); |
8a549df2 |
421 | if($vrel[0] == 'b' || $vrel[0] == 'B') |
65f5b1c4 |
422 | $vrel = - strval(substr($vrel, 1)); |
8a549df2 |
423 | if($vrel[0] == 'r' || $vrel[0] == 'R') |
65f5b1c4 |
424 | $vrel = - strval(substr($vrel, 2))/10; |
f79af863 |
425 | |
b5afdff0 |
426 | // Compare major version |
f79af863 |
427 | if($vmajor < $major) return false; |
b5afdff0 |
428 | if($vmajor > $major) return true; |
429 | |
430 | // Major is the same. Compare minor |
f79af863 |
431 | if($vminor < $minor) return false; |
b5afdff0 |
432 | if($vminor > $minor) return true; |
f79af863 |
433 | |
b5afdff0 |
434 | // Major and minor is the same as the required one. |
f79af863 |
435 | // Compare release |
436 | if($vrel >= 0 && $release >= 0) { // Neither are beta |
65f5b1c4 |
437 | if($vrel < $release) return false; |
f79af863 |
438 | } else if($vrel >= 0 && $release < 0){ // This is not beta, required is beta |
65f5b1c4 |
439 | return true; |
f79af863 |
440 | } else if($vrel < 0 && $release >= 0){ // This is beta, require not beta |
65f5b1c4 |
441 | return false; |
f79af863 |
442 | } else { // Both are beta |
65f5b1c4 |
443 | if($vrel > $release) return false; |
f79af863 |
444 | } |
445 | |
446 | return true; |
447 | } |
6e7468f6 |
448 | |
449 | /* Returns a string showing the size of the message/attachment */ |
450 | function show_readable_size($bytes) |
451 | { |
452 | $bytes /= 1024; |
453 | $type = 'k'; |
454 | |
455 | if ($bytes / 1024 > 1) |
456 | { |
457 | $bytes /= 1024; |
458 | $type = 'm'; |
459 | } |
460 | |
461 | if ($bytes < 10) |
462 | { |
463 | $bytes *= 10; |
8a549df2 |
464 | settype($bytes, 'integer'); |
6e7468f6 |
465 | $bytes /= 10; |
466 | } |
467 | else |
8a549df2 |
468 | settype($bytes, 'integer'); |
6e7468f6 |
469 | |
470 | return $bytes . '<small> ' . $type . '</small>'; |
471 | } |
f79af863 |
472 | |
1899535f |
473 | /* Generates a random string from the caracter set you pass in |
474 | * |
475 | * Flags: |
476 | * 1 = add lowercase a-z to $chars |
477 | * 2 = add uppercase A-Z to $chars |
478 | * 4 = add numbers 0-9 to $chars |
479 | */ |
480 | |
481 | function GenerateRandomString($size, $chars, $flags = 0) |
482 | { |
483 | if ($flags & 0x1) |
484 | $chars .= 'abcdefghijklmnopqrstuvwxyz'; |
485 | if ($flags & 0x2) |
486 | $chars .= 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'; |
487 | if ($flags & 0x4) |
488 | $chars .= '0123456789'; |
489 | |
490 | if ($size < 1 || strlen($chars) < 1) |
8a549df2 |
491 | return ''; |
1899535f |
492 | |
493 | sq_mt_randomize(); // Initialize the random number generator |
494 | |
65f5b1c4 |
495 | $String = ""; |
1899535f |
496 | while (strlen($String) < $size) { |
497 | $String .= $chars[mt_rand(0, strlen($chars))]; |
498 | } |
499 | |
500 | return $String; |
501 | } |
704db5b2 |
502 | |
503 | function quoteIMAP($str) |
504 | { |
505 | return ereg_replace('(["\\])', '\\\\1', $str); |
506 | } |
1899535f |
507 | |
ccc4b58b |
508 | ?> |