849bdf42 |
1 | <?php |
4b4abf93 |
2 | |
15e6162e |
3 | /** |
0a1dc88e |
4 | * Message and Spam Filter Plugin - Filtering Functions |
15e6162e |
5 | * |
353d074a |
6 | * @copyright 1999-2018 The SquirrelMail Project Team |
b2d8bc6c |
7 | * @license http://opensource.org/licenses/gpl-license.php GNU Public License |
4b4abf93 |
8 | * @version $Id$ |
ea5f4b8e |
9 | * @package plugins |
10 | * @subpackage filters |
15e6162e |
11 | */ |
4eee5968 |
12 | |
5d86967a |
13 | // TODO: This plugin has an issue that seems to corrupt folder cache for subfolders of INBOX |
202bcbcc |
14 | /** |
15 | * do not allow to call this file directly |
16 | */ |
f627180c |
17 | if (isset($_SERVER['SCRIPT_FILENAME']) && $_SERVER['SCRIPT_FILENAME'] == __FILE__) { |
202bcbcc |
18 | header("Location: ../../src/login.php"); |
19 | die(); |
20 | } |
e5c8ec61 |
21 | |
22 | /** load globals */ |
48879ef0 |
23 | global $UseSeparateImapConnection, |
24 | $AllowSpamFilters, $SpamFilters_YourHop, $SpamFilters_ShowCommercial, |
25 | $SpamFilters_DNScache, $SpamFilters_BulkQuery, $SpamFilters_SharedCache, |
e5c8ec61 |
26 | $SpamFilters_CacheTTL; |
27 | |
3bde2539 |
28 | /** |
ee951d3a |
29 | * load required functions. Plugin depends on IMAP functions and they are not |
3bde2539 |
30 | * loaded in src/webmail.php |
31 | */ |
32 | include_once (SM_PATH . 'functions/imap.php'); |
33 | |
e5c8ec61 |
34 | /** load default config */ |
35 | if (file_exists(SM_PATH . 'plugins/filters/config_default.php')) { |
36 | include_once (SM_PATH . 'plugins/filters/config_default.php'); |
37 | } else { |
38 | // default config was removed. |
39 | $UseSeparateImapConnection = false; |
40 | $AllowSpamFilters = true; |
41 | $SpamFilters_YourHop = ' '; |
42 | $SpamFilters_ShowCommercial = false; |
43 | $SpamFilters_DNScache = array(); |
44 | $SpamFilters_BulkQuery = ''; |
45 | $SpamFilters_SharedCache = true; |
46 | $SpamFilters_CacheTTL = 7200; |
47 | } |
48 | |
49 | if (file_exists(SM_PATH . 'config/filters_config.php')) { |
50 | include_once (SM_PATH . 'config/filters_config.php'); |
51 | } elseif (file_exists(SM_PATH . 'plugins/filters/config.php')) { |
8510adf2 |
52 | include_once (SM_PATH . 'plugins/filters/config.php'); |
e5c8ec61 |
53 | } |
9c655416 |
54 | |
9c655416 |
55 | /** |
56 | * Register option blocks |
57 | * @access private |
58 | */ |
59 | function filters_optpage_register_block() { |
60 | global $optpage_blocks, $AllowSpamFilters; |
f8a1ed5a |
61 | |
9c655416 |
62 | $optpage_blocks[] = array( |
63 | 'name' => _("Message Filters"), |
64 | 'url' => SM_PATH . 'plugins/filters/options.php', |
65 | 'desc' => _("Filtering enables messages with different criteria to be automatically filtered into different folders for easier organization."), |
66 | 'js' => false |
67 | ); |
68 | |
69 | if ($AllowSpamFilters) { |
70 | $optpage_blocks[] = array( |
71 | 'name' => _("SPAM Filters"), |
72 | 'url' => SM_PATH . 'plugins/filters/spamoptions.php', |
73 | 'desc' => _("SPAM filters allow you to select from various DNS based blacklists to detect junk email in your INBOX and move it to another folder (like Trash)."), |
74 | 'js' => false |
75 | ); |
76 | } |
77 | } |
78 | |
48879ef0 |
79 | /* Receive the status of the folder and do something with it */ |
80 | function filters_folder_status($statusarr) { |
81 | |
b2f4cdad |
82 | global $filter_inbox_count; |
83 | if (empty($filter_inbox_count)) $filter_inbox_count=0; |
202bcbcc |
84 | |
b2f4cdad |
85 | if ($statusarr['MAILBOX'] == 'INBOX') |
48879ef0 |
86 | { |
87 | if (!empty($statusarr['MESSAGES'])) $filter_inbox_count=$statusarr['MESSAGES']; |
88 | } |
89 | } |
90 | |
9c655416 |
91 | /** |
92 | * Saves the DNS Cache to disk |
0a1dc88e |
93 | * @access private |
5b4ba967 |
94 | */ |
a2a566eb |
95 | function filters_SaveCache () { |
96 | global $data_dir, $SpamFilters_DNScache; |
97 | |
ae48f757 |
98 | if (file_exists($data_dir . '/dnscache')) { |
99 | $fp = fopen($data_dir . '/dnscache', 'r'); |
a2a566eb |
100 | } else { |
101 | $fp = false; |
102 | } |
103 | if ($fp) { |
104 | flock($fp,LOCK_EX); |
105 | } else { |
ae48f757 |
106 | $fp = fopen($data_dir . '/dnscache', 'w+'); |
a2a566eb |
107 | fclose($fp); |
ae48f757 |
108 | $fp = fopen($data_dir . '/dnscache', 'r'); |
a2a566eb |
109 | flock($fp,LOCK_EX); |
110 | } |
9c655416 |
111 | $fp1 = fopen($data_dir . '/dnscache', 'w+'); |
a2a566eb |
112 | |
113 | foreach ($SpamFilters_DNScache as $Key=> $Value) { |
114 | $tstr = $Key . ',' . $Value['L'] . ',' . $Value['T'] . "\n"; |
115 | fputs ($fp1, $tstr); |
116 | } |
117 | fclose($fp1); |
118 | flock($fp,LOCK_UN); |
119 | fclose($fp); |
120 | } |
121 | |
0a1dc88e |
122 | /** |
9c655416 |
123 | * Loads the DNS Cache from disk |
0a1dc88e |
124 | * @access private |
125 | */ |
a2a566eb |
126 | function filters_LoadCache () { |
127 | global $data_dir, $SpamFilters_DNScache; |
128 | |
ae48f757 |
129 | if (file_exists($data_dir . '/dnscache')) { |
6ade76e0 |
130 | $SpamFilters_DNScache = array(); |
ae48f757 |
131 | if ($fp = fopen ($data_dir . '/dnscache', 'r')) { |
a2a566eb |
132 | flock($fp,LOCK_SH); |
9c655416 |
133 | while ($data = fgetcsv($fp,1024)) { |
a2a566eb |
134 | if ($data[2] > time()) { |
135 | $SpamFilters_DNScache[$data[0]]['L'] = $data[1]; |
136 | $SpamFilters_DNScache[$data[0]]['T'] = $data[2]; |
137 | } |
138 | } |
a2a566eb |
139 | flock($fp,LOCK_UN); |
140 | } |
141 | } |
142 | } |
143 | |
0a1dc88e |
144 | /** |
9c655416 |
145 | * Uses the BulkQuery executable to query all the RBLs at once |
41ffc892 |
146 | * @param array $filters Array of SPAM Filters |
9c655416 |
147 | * @param array $IPs Array of IP Addresses |
0a1dc88e |
148 | * @access private |
149 | */ |
fb577a4d |
150 | function filters_bulkquery($filters, $IPs) { |
ce68b76b |
151 | global $attachment_dir, $username, |
6ade76e0 |
152 | $SpamFilters_DNScache, $SpamFilters_BulkQuery, |
153 | $SpamFilters_CacheTTL; |
a2a566eb |
154 | |
a2a566eb |
155 | if (count($IPs) > 0) { |
156 | $rbls = array(); |
157 | foreach ($filters as $key => $value) { |
158 | if ($filters[$key]['enabled']) { |
159 | if ($filters[$key]['dns']) { |
160 | $rbls[$filters[$key]['dns']] = true; |
161 | } |
162 | } |
163 | } |
164 | |
ae48f757 |
165 | $bqfil = $attachment_dir . $username . '-bq.in'; |
166 | $fp = fopen($bqfil, 'w'); |
6ade76e0 |
167 | fputs ($fp, $SpamFilters_CacheTTL . "\n"); |
a2a566eb |
168 | foreach ($rbls as $key => $value) { |
ae48f757 |
169 | fputs ($fp, '.' . $key . "\n"); |
a2a566eb |
170 | } |
171 | fputs ($fp, "----------\n"); |
172 | foreach ($IPs as $key => $value) { |
173 | fputs ($fp, $key . "\n"); |
174 | } |
175 | fclose ($fp); |
176 | $bqout = array(); |
ae48f757 |
177 | exec ($SpamFilters_BulkQuery . ' < ' . $bqfil, $bqout); |
a2a566eb |
178 | foreach ($bqout as $value) { |
179 | $Chunks = explode(',', $value); |
180 | $SpamFilters_DNScache[$Chunks[0]]['L'] = $Chunks[1]; |
181 | $SpamFilters_DNScache[$Chunks[0]]['T'] = $Chunks[2] + time(); |
182 | } |
183 | unlink($bqfil); |
184 | } |
185 | } |
186 | |
0a1dc88e |
187 | /** |
9c655416 |
188 | * Starts the filtering process |
b2f4cdad |
189 | * @param array $hook_args (since 1.5.2) do hook arguments. Is used to check |
190 | * hook name, array key = 0. |
0a1dc88e |
191 | * @access private |
192 | */ |
b2f4cdad |
193 | function start_filters($hook_args) { |
a9805897 |
194 | global $imapServerAddress, $imapPort, $imap_stream_options, $imap_stream, |
9aaa9ae2 |
195 | $imapConnection, $UseSeparateImapConnection, $AllowSpamFilters, |
196 | $filter_inbox_count, $username; |
10a26cea |
197 | |
5d86967a |
198 | // if there were filtering errors previously during |
199 | // this login session, we won't try again |
e63aa8cc |
200 | // |
201 | // (errors that this plugin was able to catch or a "NO" |
202 | // response/failure from IMAP found in the current session, |
203 | // which could have resulted from an attempted filter copy |
204 | // (over quota), in which case execution halts before this |
205 | // plugin can catch the problem -- note, however, that any |
206 | // other IMAP "NO" failure (caused by unrelated actions) at |
207 | // any time during the current session will cause this plugin |
208 | // to effectively shut down) |
209 | // |
5d86967a |
210 | sqgetGlobalVar('filters_error', $filters_error, SQ_SESSION, FALSE); |
e63aa8cc |
211 | sqgetGlobalVar('IMAP_FATAL_ERROR_TYPE', $imap_fatal_error, SQ_SESSION, ''); |
212 | if ($filters_error || $imap_fatal_error == 'NO') |
5d86967a |
213 | return; |
214 | |
b2f4cdad |
215 | /** |
216 | * check hook that calls filtering. If filters are called by right_main_after_header, |
217 | * do filtering only when we are in INBOX folder. |
218 | */ |
219 | if ($hook_args[0]=='right_main_after_header' && |
220 | (sqgetGlobalVar('mailbox',$mailbox,SQ_FORM) && $mailbox!='INBOX')) { |
221 | return; |
222 | } |
223 | |
9a43a06b |
224 | $filters = load_filters(); |
225 | |
226 | // No point running spam filters if there aren't any to run // |
227 | if ($AllowSpamFilters) { |
228 | $spamfilters = load_spam_filters(); |
229 | |
230 | $AllowSpamFilters = false; |
fb0bcfdb |
231 | foreach($spamfilters as $value) { |
ee951d3a |
232 | if ($value['enabled'] == SMPREF_ON) { |
9a43a06b |
233 | $AllowSpamFilters = true; |
234 | break; |
235 | } |
236 | } |
237 | } |
238 | |
41ffc892 |
239 | // No user filters, and no spam filters, no need to continue // |
9a43a06b |
240 | if (!$AllowSpamFilters && empty($filters)) { |
241 | return; |
242 | } |
243 | |
244 | |
2714d4ff |
245 | // Detect if we have already connected to IMAP or not. |
246 | // Also check if we are forced to use a separate IMAP connection |
247 | if ((!isset($imap_stream) && !isset($imapConnection)) || |
248 | $UseSeparateImapConnection ) { |
2128bbc6 |
249 | $stream = sqimap_login($username, false, $imapServerAddress, |
a9805897 |
250 | $imapPort, 10, $imap_stream_options); |
1320cab5 |
251 | $previously_connected = false; |
2714d4ff |
252 | } else if (isset($imapConnection)) { |
253 | $stream = $imapConnection; |
254 | $previously_connected = true; |
255 | } else { |
256 | $previously_connected = true; |
257 | $stream = $imap_stream; |
258 | } |
4eee5968 |
259 | |
48879ef0 |
260 | if (!isset($filter_inbox_count)) { |
261 | $aStatus = sqimap_status_messages ($stream, 'INBOX', array('MESSAGES')); |
262 | if (!empty($aStatus['MESSAGES'])) { |
263 | $filter_inbox_count=$aStatus['MESSAGES']; |
264 | } else { |
265 | $filter_inbox_count=0; |
266 | } |
267 | } |
268 | |
269 | if ($filter_inbox_count > 0) { |
2714d4ff |
270 | sqimap_mailbox_select($stream, 'INBOX'); |
271 | // Filter spam from inbox before we sort them into folders |
272 | if ($AllowSpamFilters) { |
273 | spam_filters($stream); |
10a26cea |
274 | } |
4eee5968 |
275 | |
2714d4ff |
276 | // Sort into folders |
277 | user_filters($stream); |
278 | } |
279 | |
280 | if (!$previously_connected) { |
281 | sqimap_logout($stream); |
282 | } |
10a26cea |
283 | } |
284 | |
0a1dc88e |
285 | /** |
9c655416 |
286 | * Does the loop through each filter |
287 | * @param stream imap_stream the stream to read from |
0a1dc88e |
288 | * @access private |
289 | */ |
10a26cea |
290 | function user_filters($imap_stream) { |
c8a2c24d |
291 | global $data_dir, $username; |
10a26cea |
292 | $filters = load_filters(); |
293 | if (! $filters) return; |
c8a2c24d |
294 | $filters_user_scan = getPref($data_dir, $username, 'filters_user_scan'); |
10a26cea |
295 | |
fb577a4d |
296 | $expunge = false; |
53fcc494 |
297 | // For every rule |
ae48f757 |
298 | for ($i=0, $num = count($filters); $i < $num; $i++) { |
10a26cea |
299 | // If it is the "combo" rule |
300 | if ($filters[$i]['where'] == 'To or Cc') { |
53fcc494 |
301 | /* |
302 | * If it's "TO OR CC", we have to do two searches, one for TO |
303 | * and the other for CC. |
304 | */ |
fb577a4d |
305 | $expunge = filter_search_and_delete($imap_stream, 'TO', |
306 | $filters[$i]['what'], $filters[$i]['folder'], $filters_user_scan, $expunge); |
307 | $expunge = filter_search_and_delete($imap_stream, 'CC', |
308 | $filters[$i]['what'], $filters[$i]['folder'], $filters_user_scan, $expunge); |
8a7ccd82 |
309 | } else if ($filters[$i]['where'] == 'Header and Body') { |
310 | $expunge = filter_search_and_delete($imap_stream, 'TEXT', |
311 | $filters[$i]['what'], $filters[$i]['folder'], $filters_user_scan, $expunge); |
312 | } else if ($filters[$i]['where'] == 'Message Body') { |
313 | $expunge = filter_search_and_delete($imap_stream, 'BODY', |
f8a1ed5a |
314 | $filters[$i]['what'], $filters[$i]['folder'], $filters_user_scan, $expunge); |
10a26cea |
315 | } else { |
53fcc494 |
316 | /* |
317 | * If it's a normal TO, CC, SUBJECT, or FROM, then handle it |
318 | * normally. |
319 | */ |
fb577a4d |
320 | $expunge = filter_search_and_delete($imap_stream, $filters[$i]['where'], |
321 | $filters[$i]['what'], $filters[$i]['folder'], $filters_user_scan, $expunge); |
4eee5968 |
322 | } |
4eee5968 |
323 | } |
53fcc494 |
324 | // Clean out the mailbox whether or not auto_expunge is on |
325 | // That way it looks like it was redirected properly |
fb577a4d |
326 | if ($expunge) { |
4f6915b0 |
327 | sqimap_mailbox_expunge($imap_stream, 'INBOX'); |
53fcc494 |
328 | } |
10a26cea |
329 | } |
330 | |
0a1dc88e |
331 | /** |
9c655416 |
332 | * Creates and runs the IMAP command to filter messages |
41ffc892 |
333 | * @param string $imap_stream TODO: Document this parameter |
9c655416 |
334 | * @param string $where Which part of the message to search (TO, CC, SUBJECT, etc...) |
335 | * @param string $what String to search for |
336 | * @param string $where_to Folder it will move to |
337 | * @param string $user_scan Whether to search all or just unseen |
f8a1ed5a |
338 | * @param string $should_expunge |
0a1dc88e |
339 | * @access private |
340 | */ |
2714d4ff |
341 | function filter_search_and_delete($imap_stream, $where, $what, $where_to, $user_scan, |
fb577a4d |
342 | $should_expunge) { |
6201339c |
343 | global $languages, $squirrelmail_language, $allow_charset_search, $imap_server_type; |
344 | |
1320cab5 |
345 | //TODO: make use of new mailbox cache. See mailbox_display.phpinfo |
346 | |
174523e3 |
347 | if (strtolower($where_to) == 'inbox') { |
348 | return array(); |
349 | } |
350 | |
c8a2c24d |
351 | if ($user_scan == 'new') { |
352 | $category = 'UNSEEN'; |
353 | } else { |
354 | $category = 'ALL'; |
355 | } |
86e6d79f |
356 | $category .= ' UNDELETED'; |
c8a2c24d |
357 | |
3eea00ca |
358 | if ($allow_charset_search && |
359 | isset($languages[$squirrelmail_language]['CHARSET']) && |
53fcc494 |
360 | $languages[$squirrelmail_language]['CHARSET']) { |
3eea00ca |
361 | $search_str = 'SEARCH CHARSET ' |
362 | . strtoupper($languages[$squirrelmail_language]['CHARSET']) |
363 | . ' ' . $category; |
f9ca4be0 |
364 | } else { |
3eea00ca |
365 | $search_str = 'SEARCH CHARSET US-ASCII ' . $category; |
f9ca4be0 |
366 | } |
ae48f757 |
367 | if ($where == 'Header') { |
3eea00ca |
368 | $what = explode(':', $what); |
1320cab5 |
369 | $where = strtoupper($where); |
3eea00ca |
370 | $where = trim($where . ' ' . $what[0]); |
371 | $what = addslashes(trim($what[1])); |
9da6bdde |
372 | } |
f18ea37e |
373 | |
cf2aa192 |
374 | // see comments in squirrelmail sqimap_search function |
375 | if ($imap_server_type == 'macosx' || $imap_server_type == 'hmailserver') { |
41ffc892 |
376 | $search_str .= ' ' . $where . ' ' . $what; |
1320cab5 |
377 | /* read data back from IMAP */ |
378 | $read = sqimap_run_command($imap_stream, $search_str, true, $response, $message, TRUE); |
f18ea37e |
379 | } else { |
1320cab5 |
380 | $search_str .= ' ' . $where . ' {' . strlen($what) . "}"; |
381 | $sid = sqimap_session_id(true); |
382 | fputs ($imap_stream, $sid . ' ' . $search_str . "\r\n"); |
383 | $read2 = sqimap_fgets($imap_stream); |
384 | # server should respond with Ready for argument, then we will send search text |
385 | #echo "RR2 $read2<br>"; |
386 | fputs ($imap_stream, "$what\r\n"); |
387 | #echo "SS $what<br>"; |
388 | $read2 = sqimap_fgets($imap_stream); |
389 | #echo "RR2 $read2<br>"; |
390 | $read[]=$read2; |
391 | $read3 = sqimap_fgets($imap_stream); |
392 | #echo "RR3 $read3<br>"; |
393 | list($rtag,$response,$message)=explode(' ',$read3,3); |
394 | ## $read2 = sqimap_retrieve_imap_response($imap_stream, $sid, true, |
395 | ## $response, $message, $search_str, false, true, false); |
396 | #echo "RR2 $read2 / RESPONSE $response<br>"; |
f18ea37e |
397 | } |
10a26cea |
398 | |
2714d4ff |
399 | if (isset($read[0])) { |
400 | $ids = array(); |
9c655416 |
401 | for ($i = 0, $iCnt = count($read); $i < $iCnt; ++$i) { |
2714d4ff |
402 | if (preg_match("/^\* SEARCH (.+)$/", $read[$i], $regs)) { |
a895042a |
403 | $ids += explode(' ', trim($regs[1])); |
fb577a4d |
404 | } |
2714d4ff |
405 | } |
406 | if ($response == 'OK' && count($ids)) { |
407 | if (sqimap_mailbox_exists($imap_stream, $where_to)) { |
5d86967a |
408 | if (!sqimap_msgs_list_move ($imap_stream, $ids, $where_to, false)) { |
409 | // if errors occurred, don't try to filter again during this session |
410 | sqsession_register(TRUE, 'filters_error'); |
411 | global $color; |
412 | error_box(_("A problem occurred filtering messages. Check filter settings and account quota if applicable. Filtering is disabled for the remainder of this login session."), $color); |
413 | } |
414 | |
415 | // expunge even in the case of errors, in case some |
416 | // messages were filtered before the error happened |
417 | $should_expunge = true; |
4eee5968 |
418 | } |
1320cab5 |
419 | } elseif ($response != 'OK') { |
9cda618e |
420 | $query = $search_str . "\r\n".$what ."\r\n"; |
1320cab5 |
421 | if ($response == 'NO') { |
1320cab5 |
422 | if (strpos($message,'BADCHARSET') !== false || |
423 | strpos($message,'character') !== false) { |
424 | sqm_trigger_imap_error('SQM_IMAP_BADCHARSET',$query, $response, $message); |
425 | } else { |
426 | sqm_trigger_imap_error('SQM_IMAP_ERROR',$query, $response, $message); |
427 | } |
428 | } else { |
429 | sqm_trigger_imap_error('SQM_IMAP_ERROR',$query, $response, $message); |
430 | } |
4eee5968 |
431 | } |
432 | } |
fb577a4d |
433 | return $should_expunge; |
10a26cea |
434 | } |
4eee5968 |
435 | |
0a1dc88e |
436 | /** |
9c655416 |
437 | * Loops through all the Received Headers to find IP Addresses |
438 | * @param stream imap_stream the stream to read from |
0a1dc88e |
439 | * @access private |
440 | */ |
10a26cea |
441 | function spam_filters($imap_stream) { |
6201339c |
442 | global $data_dir, $username; |
10a26cea |
443 | global $SpamFilters_YourHop; |
444 | global $SpamFilters_DNScache; |
a2a566eb |
445 | global $SpamFilters_SharedCache; |
446 | global $SpamFilters_BulkQuery; |
fb577a4d |
447 | global $SpamFilters_CacheTTL; |
4eee5968 |
448 | |
10a26cea |
449 | $filters_spam_scan = getPref($data_dir, $username, 'filters_spam_scan'); |
450 | $filters_spam_folder = getPref($data_dir, $username, 'filters_spam_folder'); |
451 | $filters = load_spam_filters(); |
4eee5968 |
452 | |
a2a566eb |
453 | if ($SpamFilters_SharedCache) { |
454 | filters_LoadCache(); |
455 | } |
456 | |
fb577a4d |
457 | $run = false; |
4eee5968 |
458 | |
fb0bcfdb |
459 | foreach ($filters as $Value) { |
10a26cea |
460 | if ($Value['enabled']) { |
fb577a4d |
461 | $run = true; |
462 | break; |
4eee5968 |
463 | } |
10a26cea |
464 | } |
4eee5968 |
465 | |
10a26cea |
466 | // short-circuit |
fb577a4d |
467 | if (!$run) { |
10a26cea |
468 | return; |
469 | } |
4eee5968 |
470 | |
10a26cea |
471 | // Ask for a big list of all "Received" headers in the inbox with |
472 | // flags for each message. Kinda big. |
2714d4ff |
473 | |
474 | if ($filters_spam_scan == 'new') { |
475 | $search_array = array(); |
6201339c |
476 | $read = sqimap_run_command($imap_stream, 'SEARCH UNSEEN', true, $response, $message, TRUE); |
2714d4ff |
477 | if (isset($read[0])) { |
9c655416 |
478 | for ($i = 0, $iCnt = count($read); $i < $iCnt; ++$i) { |
2714d4ff |
479 | if (preg_match("/^\* SEARCH (.+)$/", $read[$i], $regs)) { |
a895042a |
480 | $search_array = explode(' ', trim($regs[1])); |
41ffc892 |
481 | break; |
6174dcc7 |
482 | } |
c8a2c24d |
483 | } |
2714d4ff |
484 | } |
c8a2c24d |
485 | } |
2714d4ff |
486 | if ($filters_spam_scan == 'new' && count($search_array)) { |
d3fae94f |
487 | $headers = sqimap_get_small_header_list ($imap_stream, $search_array, array('Received'),array()); |
2714d4ff |
488 | } else if ($filters_spam_scan != 'new') { |
d3fae94f |
489 | $headers = sqimap_get_small_header_list ($imap_stream, null , array('Received'),array()); |
2714d4ff |
490 | } else { |
491 | return; |
492 | } |
493 | if (!count($headers)) { |
10a26cea |
494 | return; |
495 | } |
fb577a4d |
496 | $bulkquery = (strlen($SpamFilters_BulkQuery) > 0 ? true : false); |
497 | $IPs = array(); |
498 | $aSpamIds = array(); |
499 | foreach ($headers as $id => $aValue) { |
2714d4ff |
500 | if (isset($aValue['UID'])) { |
fb577a4d |
501 | $MsgNum = $aValue['UID']; |
502 | } else { |
503 | $MsgNum = $id; |
10a26cea |
504 | } |
10a26cea |
505 | // Look through all of the Received headers for IP addresses |
2714d4ff |
506 | if (isset($aValue['RECEIVED'])) { |
507 | foreach ($aValue['RECEIVED'] as $received) { |
fb577a4d |
508 | // Check to see if this line is the right "Received from" line |
509 | // to check |
2714d4ff |
510 | |
511 | // $aValue['Received'] is an array with all the received lines. |
fb577a4d |
512 | // We should check them from bottom to top and only check the first 2. |
513 | // Currently we check only the header where $SpamFilters_YourHop in occures |
2714d4ff |
514 | |
fb577a4d |
515 | if (is_int(strpos($received, $SpamFilters_YourHop))) { |
516 | if (preg_match('/([0-9]{1,3})\.([0-9]{1,3})\.([0-9]{1,3})\.([0-9]{1,3})/',$received,$aMatch)) { |
517 | $isspam = false; |
518 | if (filters_spam_check_site($aMatch[1],$aMatch[2],$aMatch[3],$aMatch[4],$filters)) { |
519 | $aSpamIds[] = $MsgNum; |
520 | $isspam = true; |
521 | } |
41ffc892 |
522 | |
fb577a4d |
523 | if ($bulkquery) { |
524 | array_shift($aMatch); |
41ffc892 |
525 | $IP = explode('.', $aMatch); |
fb577a4d |
526 | foreach ($filters as $key => $value) { |
527 | if ($filters[$key]['enabled'] && $filters[$key]['dns']) { |
528 | if (strlen($SpamFilters_DNScache[$IP.'.'.$filters[$key]['dns']]) == 0) { |
41ffc892 |
529 | $IPs[$IP] = true; |
530 | break; |
fb577a4d |
531 | } |
532 | } |
533 | } |
c8a2c24d |
534 | } |
535 | // If we've checked one IP and YourHop is |
536 | // just a space |
fb577a4d |
537 | if ($SpamFilters_YourHop == ' ' || $isspam) { |
c8a2c24d |
538 | break; // don't check any more |
a9aa7ab7 |
539 | } |
a9aa7ab7 |
540 | } |
4eee5968 |
541 | } |
4eee5968 |
542 | } |
4eee5968 |
543 | } |
10a26cea |
544 | } |
fb577a4d |
545 | // Lookie! It's spam! Yum! |
546 | if (count($aSpamIds) && sqimap_mailbox_exists($imap_stream, $filters_spam_folder)) { |
5d86967a |
547 | if (!sqimap_msgs_list_move($imap_stream, $aSpamIds, $filters_spam_folder)) { |
548 | // if errors occurred, don't try to filter again during this session |
549 | sqsession_register(TRUE, 'filters_error'); |
550 | global $color; |
551 | error_box(_("A problem occurred filtering messages. Check filter settings and account quota if applicable. Filtering is disabled for the remainder of this login session."), $color); |
552 | } |
553 | |
554 | // expunge even in the case of errors, in case some |
555 | // messages were filtered before the error happened |
fb577a4d |
556 | sqimap_mailbox_expunge($imap_stream, 'INBOX'); |
557 | } |
4eee5968 |
558 | |
fb577a4d |
559 | if ($bulkquery && count($IPs)) { |
560 | filters_bulkquery($filters, $IPs); |
561 | } |
4eee5968 |
562 | |
a2a566eb |
563 | if ($SpamFilters_SharedCache) { |
564 | filters_SaveCache(); |
565 | } else { |
41100fce |
566 | sqsession_register($SpamFilters_DNScache, 'SpamFilters_DNScache'); |
a2a566eb |
567 | } |
10a26cea |
568 | } |
4eee5968 |
569 | |
0a1dc88e |
570 | /** |
0a1dc88e |
571 | * Does the loop through each enabled filter for the specified IP address. |
572 | * IP format: $a.$b.$c.$d |
9c655416 |
573 | * @param int $a First subset of IP |
574 | * @param int $b Second subset of IP |
575 | * @param int $c Third subset of IP |
576 | * @param int $d Forth subset of IP |
577 | * @param array $filters The Spam Filters |
578 | * @return boolean Whether the IP is Spam |
0a1dc88e |
579 | * @access private |
580 | */ |
10a26cea |
581 | function filters_spam_check_site($a, $b, $c, $d, &$filters) { |
a2a566eb |
582 | global $SpamFilters_DNScache, $SpamFilters_CacheTTL; |
10a26cea |
583 | foreach ($filters as $key => $value) { |
584 | if ($filters[$key]['enabled']) { |
585 | if ($filters[$key]['dns']) { |
41ffc892 |
586 | |
ee951d3a |
587 | /** |
41ffc892 |
588 | * RFC allows . on end of hostname to force domain lookup to |
589 | * not use search domain from resolv.conf, i.e. to ensure |
590 | * search domain isn't used if no hostname is found |
ee951d3a |
591 | */ |
10a26cea |
592 | $filter_revip = $d . '.' . $c . '.' . $b . '.' . $a . '.' . |
ee951d3a |
593 | $filters[$key]['dns'] . '.'; |
ae48f757 |
594 | |
595 | if(!isset($SpamFilters_DNScache[$filter_revip]['L'])) |
596 | $SpamFilters_DNScache[$filter_revip]['L'] = ''; |
597 | |
598 | if(!isset($SpamFilters_DNScache[$filter_revip]['T'])) |
599 | $SpamFilters_DNScache[$filter_revip]['T'] = ''; |
600 | |
a7cd90dd |
601 | if (strlen($SpamFilters_DNScache[$filter_revip]['L']) == 0) { |
602 | $SpamFilters_DNScache[$filter_revip]['L'] = |
603 | gethostbyname($filter_revip); |
604 | $SpamFilters_DNScache[$filter_revip]['T'] = |
605 | time() + $SpamFilters_CacheTTL; |
606 | } |
ee951d3a |
607 | |
608 | /** |
609 | * gethostbyname returns ip if resolved, or returns original |
41ffc892 |
610 | * host supplied to function if there is no resolution |
ee951d3a |
611 | */ |
612 | if ($SpamFilters_DNScache[$filter_revip]['L'] != $filter_revip) { |
a7cd90dd |
613 | return 1; |
4eee5968 |
614 | } |
615 | } |
616 | } |
4eee5968 |
617 | } |
10a26cea |
618 | return 0; |
619 | } |
620 | |
0a1dc88e |
621 | /** |
9c655416 |
622 | * Loads the filters from the user preferences |
623 | * @return array All the user filters |
0a1dc88e |
624 | * @access private |
625 | */ |
10a26cea |
626 | function load_filters() { |
627 | global $data_dir, $username; |
c8a2c24d |
628 | |
10a26cea |
629 | $filters = array(); |
9c655416 |
630 | for ($i = 0; $fltr = getPref($data_dir, $username, 'filter' . $i); $i++) { |
10a26cea |
631 | $ary = explode(',', $fltr); |
632 | $filters[$i]['where'] = $ary[0]; |
eceb3fe5 |
633 | $filters[$i]['what'] = str_replace('###COMMA###', ',', $ary[1]); |
10a26cea |
634 | $filters[$i]['folder'] = $ary[2]; |
4eee5968 |
635 | } |
10a26cea |
636 | return $filters; |
637 | } |
638 | |
0a1dc88e |
639 | /** |
9c655416 |
640 | * Loads the Spam Filters and checks the preferences for the enabled status |
641 | * @return array All the spam filters |
0a1dc88e |
642 | * @access private |
643 | */ |
10a26cea |
644 | function load_spam_filters() { |
51199e7a |
645 | global $data_dir, $username, $SpamFilters_ShowCommercial; |
646 | |
647 | if ($SpamFilters_ShowCommercial) { |
648 | $filters['MAPS RBL']['prefname'] = 'filters_spam_maps_rbl'; |
649 | $filters['MAPS RBL']['name'] = 'MAPS Realtime Blackhole List'; |
650 | $filters['MAPS RBL']['link'] = 'http://www.mail-abuse.org/rbl/'; |
651 | $filters['MAPS RBL']['dns'] = 'blackholes.mail-abuse.org'; |
652 | $filters['MAPS RBL']['result'] = '127.0.0.2'; |
653 | $filters['MAPS RBL']['comment'] = |
654 | _("COMMERCIAL - This list contains servers that are verified spam senders. It is a pretty reliable list to scan spam from."); |
655 | |
656 | $filters['MAPS RSS']['prefname'] = 'filters_spam_maps_rss'; |
657 | $filters['MAPS RSS']['name'] = 'MAPS Relay Spam Stopper'; |
658 | $filters['MAPS RSS']['link'] = 'http://www.mail-abuse.org/rss/'; |
659 | $filters['MAPS RSS']['dns'] = 'relays.mail-abuse.org'; |
660 | $filters['MAPS RSS']['result'] = '127.0.0.2'; |
661 | $filters['MAPS RSS']['comment'] = |
99aaff8b |
662 | _("COMMERCIAL - Servers that are configured (or misconfigured) to allow spam to be relayed through their system will be banned with this. Another good one to use."); |
51199e7a |
663 | |
664 | $filters['MAPS DUL']['prefname'] = 'filters_spam_maps_dul'; |
665 | $filters['MAPS DUL']['name'] = 'MAPS Dial-Up List'; |
666 | $filters['MAPS DUL']['link'] = 'http://www.mail-abuse.org/dul/'; |
667 | $filters['MAPS DUL']['dns'] = 'dialups.mail-abuse.org'; |
668 | $filters['MAPS DUL']['result'] = '127.0.0.3'; |
669 | $filters['MAPS DUL']['comment'] = |
99aaff8b |
670 | _("COMMERCIAL - Dial-up users are often filtered out since they should use their ISP's mail servers to send mail. Spammers typically get a dial-up account and send spam directly from there."); |
51199e7a |
671 | |
672 | $filters['MAPS RBLplus-RBL']['prefname'] = 'filters_spam_maps_rblplus_rbl'; |
673 | $filters['MAPS RBLplus-RBL']['name'] = 'MAPS RBL+ RBL List'; |
674 | $filters['MAPS RBLplus-RBL']['link'] = 'http://www.mail-abuse.org/'; |
675 | $filters['MAPS RBLplus-RBL']['dns'] = 'rbl-plus.mail-abuse.org'; |
676 | $filters['MAPS RBLplus-RBL']['result'] = '127.0.0.2'; |
677 | $filters['MAPS RBLplus-RBL']['comment'] = |
678 | _("COMMERCIAL - RBL+ Blackhole entries."); |
679 | |
680 | $filters['MAPS RBLplus-RSS']['prefname'] = 'filters_spam_maps_rblplus_rss'; |
681 | $filters['MAPS RBLplus-RSS']['name'] = 'MAPS RBL+ List RSS entries'; |
682 | $filters['MAPS RBLplus-RSS']['link'] = 'http://www.mail-abuse.org/'; |
683 | $filters['MAPS RBLplus-RSS']['dns'] = 'rbl-plus.mail-abuse.org'; |
684 | $filters['MAPS RBLplus-RSS']['result'] = '127.0.0.2'; |
685 | $filters['MAPS RBLplus-RSS']['comment'] = |
686 | _("COMMERCIAL - RBL+ OpenRelay entries."); |
687 | |
688 | $filters['MAPS RBLplus-DUL']['prefname'] = 'filters_spam_maps_rblplus_dul'; |
689 | $filters['MAPS RBLplus-DUL']['name'] = 'MAPS RBL+ List DUL entries'; |
690 | $filters['MAPS RBLplus-DUL']['link'] = 'http://www.mail-abuse.org/'; |
691 | $filters['MAPS RBLplus-DUL']['dns'] = 'rbl-plus.mail-abuse.org'; |
692 | $filters['MAPS RBLplus-DUL']['result'] = '127.0.0.3'; |
693 | $filters['MAPS RBLplus-DUL']['comment'] = |
694 | _("COMMERCIAL - RBL+ Dial-up entries."); |
695 | } |
10a26cea |
696 | |
10a26cea |
697 | $filters['FiveTen Direct']['prefname'] = 'filters_spam_fiveten_src'; |
698 | $filters['FiveTen Direct']['name'] = 'Five-Ten-sg.com Direct SPAM Sources'; |
699 | $filters['FiveTen Direct']['link'] = 'http://www.five-ten-sg.com/blackhole.php'; |
700 | $filters['FiveTen Direct']['dns'] = 'blackholes.five-ten-sg.com'; |
701 | $filters['FiveTen Direct']['result'] = '127.0.0.2'; |
702 | $filters['FiveTen Direct']['comment'] = |
703 | _("FREE - Five-Ten-sg.com - Direct SPAM sources."); |
704 | |
705 | $filters['FiveTen DUL']['prefname'] = 'filters_spam_fiveten_dul'; |
706 | $filters['FiveTen DUL']['name'] = 'Five-Ten-sg.com DUL Lists'; |
707 | $filters['FiveTen DUL']['link'] = 'http://www.five-ten-sg.com/blackhole.php'; |
708 | $filters['FiveTen DUL']['dns'] = 'blackholes.five-ten-sg.com'; |
709 | $filters['FiveTen DUL']['result'] = '127.0.0.3'; |
710 | $filters['FiveTen DUL']['comment'] = |
711 | _("FREE - Five-Ten-sg.com - Dial-up lists - includes some DSL IPs."); |
712 | |
713 | $filters['FiveTen Unc. OptIn']['prefname'] = 'filters_spam_fiveten_oi'; |
714 | $filters['FiveTen Unc. OptIn']['name'] = 'Five-Ten-sg.com Unconfirmed OptIn Lists'; |
715 | $filters['FiveTen Unc. OptIn']['link'] = 'http://www.five-ten-sg.com/blackhole.php'; |
716 | $filters['FiveTen Unc. OptIn']['dns'] = 'blackholes.five-ten-sg.com'; |
717 | $filters['FiveTen Unc. OptIn']['result'] = '127.0.0.4'; |
718 | $filters['FiveTen Unc. OptIn']['comment'] = |
719 | _("FREE - Five-Ten-sg.com - Bulk mailers that do not use confirmed opt-in."); |
720 | |
721 | $filters['FiveTen Others']['prefname'] = 'filters_spam_fiveten_oth'; |
722 | $filters['FiveTen Others']['name'] = 'Five-Ten-sg.com Other Misc. Servers'; |
723 | $filters['FiveTen Others']['link'] = 'http://www.five-ten-sg.com/blackhole.php'; |
724 | $filters['FiveTen Others']['dns'] = 'blackholes.five-ten-sg.com'; |
725 | $filters['FiveTen Others']['result'] = '127.0.0.5'; |
726 | $filters['FiveTen Others']['comment'] = |
727 | _("FREE - Five-Ten-sg.com - Other misc. servers."); |
728 | |
729 | $filters['FiveTen Single Stage']['prefname'] = 'filters_spam_fiveten_ss'; |
730 | $filters['FiveTen Single Stage']['name'] = 'Five-Ten-sg.com Single Stage Servers'; |
731 | $filters['FiveTen Single Stage']['link'] = 'http://www.five-ten-sg.com/blackhole.php'; |
732 | $filters['FiveTen Single Stage']['dns'] = 'blackholes.five-ten-sg.com'; |
733 | $filters['FiveTen Single Stage']['result'] = '127.0.0.6'; |
734 | $filters['FiveTen Single Stage']['comment'] = |
735 | _("FREE - Five-Ten-sg.com - Single Stage servers."); |
736 | |
737 | $filters['FiveTen SPAM Support']['prefname'] = 'filters_spam_fiveten_supp'; |
738 | $filters['FiveTen SPAM Support']['name'] = 'Five-Ten-sg.com SPAM Support Servers'; |
739 | $filters['FiveTen SPAM Support']['link'] = 'http://www.five-ten-sg.com/blackhole.php'; |
740 | $filters['FiveTen SPAM Support']['dns'] = 'blackholes.five-ten-sg.com'; |
741 | $filters['FiveTen SPAM Support']['result'] = '127.0.0.7'; |
742 | $filters['FiveTen SPAM Support']['comment'] = |
743 | _("FREE - Five-Ten-sg.com - SPAM Support servers."); |
744 | |
745 | $filters['FiveTen Web forms']['prefname'] = 'filters_spam_fiveten_wf'; |
746 | $filters['FiveTen Web forms']['name'] = 'Five-Ten-sg.com Web Form IPs'; |
747 | $filters['FiveTen Web forms']['link'] = 'http://www.five-ten-sg.com/blackhole.php'; |
748 | $filters['FiveTen Web forms']['dns'] = 'blackholes.five-ten-sg.com'; |
749 | $filters['FiveTen Web forms']['result'] = '127.0.0.8'; |
750 | $filters['FiveTen Web forms']['comment'] = |
751 | _("FREE - Five-Ten-sg.com - Web Form IPs."); |
752 | |
753 | $filters['Dorkslayers']['prefname'] = 'filters_spam_dorks'; |
754 | $filters['Dorkslayers']['name'] = 'Dorkslayers Lists'; |
755 | $filters['Dorkslayers']['link'] = 'http://www.dorkslayers.com'; |
756 | $filters['Dorkslayers']['dns'] = 'orbs.dorkslayers.com'; |
757 | $filters['Dorkslayers']['result'] = '127.0.0.2'; |
758 | $filters['Dorkslayers']['comment'] = |
759 | _("FREE - Dorkslayers appears to include only really bad open relays outside the US to avoid being sued. Interestingly enough, their website recommends you NOT use their service."); |
760 | |
761 | $filters['SPAMhaus']['prefname'] = 'filters_spam_spamhaus'; |
762 | $filters['SPAMhaus']['name'] = 'SPAMhaus Lists'; |
763 | $filters['SPAMhaus']['link'] = 'http://www.spamhaus.org'; |
764 | $filters['SPAMhaus']['dns'] = 'sbl.spamhaus.org'; |
ee951d3a |
765 | $filters['SPAMhaus']['result'] = '127.0.0.2'; |
10a26cea |
766 | $filters['SPAMhaus']['comment'] = |
767 | _("FREE - SPAMhaus - A list of well-known SPAM sources."); |
768 | |
769 | $filters['SPAMcop']['prefname'] = 'filters_spam_spamcop'; |
770 | $filters['SPAMcop']['name'] = 'SPAM Cop Lists'; |
771 | $filters['SPAMcop']['link'] = 'http://spamcop.net/bl.shtml'; |
772 | $filters['SPAMcop']['dns'] = 'bl.spamcop.net'; |
773 | $filters['SPAMcop']['result'] = '127.0.0.2'; |
774 | $filters['SPAMcop']['comment'] = |
ace4e0d3 |
775 | _("FREE, for now - SpamCop - An interesting solution that lists servers that have a very high spam to legit email ratio (85 percent or more)."); |
10a26cea |
776 | |
46a184ff |
777 | $filters['dev.null.dk']['prefname'] = 'filters_spam_devnull'; |
778 | $filters['dev.null.dk']['name'] = 'dev.null.dk Lists'; |
779 | $filters['dev.null.dk']['link'] = 'http://dev.null.dk/'; |
780 | $filters['dev.null.dk']['dns'] = 'dev.null.dk'; |
781 | $filters['dev.null.dk']['result'] = '127.0.0.2'; |
782 | $filters['dev.null.dk']['comment'] = |
783 | _("FREE - dev.null.dk - I don't have any detailed info on this list."); |
784 | |
785 | $filters['visi.com']['prefname'] = 'filters_spam_visi'; |
786 | $filters['visi.com']['name'] = 'visi.com Relay Stop List'; |
787 | $filters['visi.com']['link'] = 'http://relays.visi.com'; |
788 | $filters['visi.com']['dns'] = 'relays.visi.com'; |
789 | $filters['visi.com']['result'] = '127.0.0.2'; |
790 | $filters['visi.com']['comment'] = |
791 | _("FREE - visi.com - Relay Stop List. Very conservative OpenRelay List."); |
792 | |
bd35ab2b |
793 | $filters['ahbl.org Open Relays']['prefname'] = 'filters_spam_2mb_or'; |
794 | $filters['ahbl.org Open Relays']['name'] = 'ahbl.org Open Relays List'; |
795 | $filters['ahbl.org Open Relays']['link'] = 'http://www.ahbl.org/'; |
796 | $filters['ahbl.org Open Relays']['dns'] = 'dnsbl.ahbl.org'; |
797 | $filters['ahbl.org Open Relays']['result'] = '127.0.0.2'; |
798 | $filters['ahbl.org Open Relays']['comment'] = |
799 | _("FREE - ahbl.org Open Relays - Another list of Open Relays."); |
800 | |
801 | $filters['ahbl.org SPAM Source']['prefname'] = 'filters_spam_2mb_ss'; |
802 | $filters['ahbl.org SPAM Source']['name'] = 'ahbl.org SPAM Source List'; |
803 | $filters['ahbl.org SPAM Source']['link'] = 'http://www.ahbl.org/'; |
804 | $filters['ahbl.org SPAM Source']['dns'] = 'dnsbl.ahbl.org'; |
805 | $filters['ahbl.org SPAM Source']['result'] = '127.0.0.4'; |
806 | $filters['ahbl.org SPAM Source']['comment'] = |
807 | _("FREE - ahbl.org SPAM Source - List of Direct SPAM Sources."); |
808 | |
809 | $filters['ahbl.org SPAM ISPs']['prefname'] = 'filters_spam_2mb_isp'; |
810 | $filters['ahbl.org SPAM ISPs']['name'] = 'ahbl.org SPAM-friendly ISP List'; |
811 | $filters['ahbl.org SPAM ISPs']['link'] = 'http://www.ahbl.org/'; |
812 | $filters['ahbl.org SPAM ISPs']['dns'] = 'dnsbl.ahbl.org'; |
813 | $filters['ahbl.org SPAM ISPs']['result'] = '127.0.0.7'; |
814 | $filters['ahbl.org SPAM ISPs']['comment'] = |
815 | _("FREE - ahbl.org SPAM ISPs - List of SPAM-friendly ISPs."); |
46a184ff |
816 | |
817 | $filters['Leadmon DUL']['prefname'] = 'filters_spam_lm_dul'; |
818 | $filters['Leadmon DUL']['name'] = 'Leadmon.net DUL List'; |
819 | $filters['Leadmon DUL']['link'] = 'http://www.leadmon.net/spamguard/'; |
820 | $filters['Leadmon DUL']['dns'] = 'spamguard.leadmon.net'; |
821 | $filters['Leadmon DUL']['result'] = '127.0.0.2'; |
822 | $filters['Leadmon DUL']['comment'] = |
823 | _("FREE - Leadmon DUL - Another list of Dial-up or otherwise dynamically assigned IPs."); |
824 | |
825 | $filters['Leadmon SPAM Source']['prefname'] = 'filters_spam_lm_ss'; |
826 | $filters['Leadmon SPAM Source']['name'] = 'Leadmon.net SPAM Source List'; |
827 | $filters['Leadmon SPAM Source']['link'] = 'http://www.leadmon.net/spamguard/'; |
828 | $filters['Leadmon SPAM Source']['dns'] = 'spamguard.leadmon.net'; |
829 | $filters['Leadmon SPAM Source']['result'] = '127.0.0.3'; |
830 | $filters['Leadmon SPAM Source']['comment'] = |
831 | _("FREE - Leadmon SPAM Source - List of IPs Leadmon.net has received SPAM directly from."); |
832 | |
833 | $filters['Leadmon Bulk Mailers']['prefname'] = 'filters_spam_lm_bm'; |
834 | $filters['Leadmon Bulk Mailers']['name'] = 'Leadmon.net Bulk Mailers List'; |
835 | $filters['Leadmon Bulk Mailers']['link'] = 'http://www.leadmon.net/spamguard/'; |
836 | $filters['Leadmon Bulk Mailers']['dns'] = 'spamguard.leadmon.net'; |
837 | $filters['Leadmon Bulk Mailers']['result'] = '127.0.0.4'; |
838 | $filters['Leadmon Bulk Mailers']['comment'] = |
839 | _("FREE - Leadmon Bulk Mailers - Bulk mailers that do not require confirmed opt-in or that have allowed known spammers to become clients and abuse their services."); |
840 | |
841 | $filters['Leadmon Open Relays']['prefname'] = 'filters_spam_lm_or'; |
842 | $filters['Leadmon Open Relays']['name'] = 'Leadmon.net Open Relays List'; |
843 | $filters['Leadmon Open Relays']['link'] = 'http://www.leadmon.net/spamguard/'; |
844 | $filters['Leadmon Open Relays']['dns'] = 'spamguard.leadmon.net'; |
845 | $filters['Leadmon Open Relays']['result'] = '127.0.0.5'; |
846 | $filters['Leadmon Open Relays']['comment'] = |
847 | _("FREE - Leadmon Open Relays - Single Stage Open Relays that are not listed on other active RBLs."); |
848 | |
849 | $filters['Leadmon Multi-stage']['prefname'] = 'filters_spam_lm_ms'; |
850 | $filters['Leadmon Multi-stage']['name'] = 'Leadmon.net Multi-Stage Relay List'; |
851 | $filters['Leadmon Multi-stage']['link'] = 'http://www.leadmon.net/spamguard/'; |
852 | $filters['Leadmon Multi-stage']['dns'] = 'spamguard.leadmon.net'; |
853 | $filters['Leadmon Multi-stage']['result'] = '127.0.0.6'; |
854 | $filters['Leadmon Multi-stage']['comment'] = |
855 | _("FREE - Leadmon Multi-stage - Multi-Stage Open Relays that are not listed on other active RBLs and that have sent SPAM to Leadmon.net."); |
856 | |
857 | $filters['Leadmon SpamBlock']['prefname'] = 'filters_spam_lm_sb'; |
858 | $filters['Leadmon SpamBlock']['name'] = 'Leadmon.net SpamBlock Sites List'; |
859 | $filters['Leadmon SpamBlock']['link'] = 'http://www.leadmon.net/spamguard/'; |
860 | $filters['Leadmon SpamBlock']['dns'] = 'spamguard.leadmon.net'; |
861 | $filters['Leadmon SpamBlock']['result'] = '127.0.0.7'; |
862 | $filters['Leadmon SpamBlock']['comment'] = |
863 | _("FREE - Leadmon SpamBlock - Sites on this listing have sent Leadmon.net direct SPAM from IPs in netblocks where the entire block has no DNS mappings. It's a list of BLOCKS of IPs being used by people who have SPAMmed Leadmon.net."); |
864 | |
865 | $filters['NJABL Open Relays']['prefname'] = 'filters_spam_njabl_or'; |
866 | $filters['NJABL Open Relays']['name'] = 'NJABL Open Relay/Direct Spam Source List'; |
867 | $filters['NJABL Open Relays']['link'] = 'http://www.njabl.org/'; |
868 | $filters['NJABL Open Relays']['dns'] = 'dnsbl.njabl.org'; |
869 | $filters['NJABL Open Relays']['result'] = '127.0.0.2'; |
870 | $filters['NJABL Open Relays']['comment'] = |
871 | _("FREE, for now - Not Just Another Blacklist - Both Open Relays and Direct SPAM Sources."); |
872 | |
873 | $filters['NJABL DUL']['prefname'] = 'filters_spam_njabl_dul'; |
874 | $filters['NJABL DUL']['name'] = 'NJABL Dial-ups List'; |
875 | $filters['NJABL DUL']['link'] = 'http://www.njabl.org/'; |
876 | $filters['NJABL DUL']['dns'] = 'dnsbl.njabl.org'; |
877 | $filters['NJABL DUL']['result'] = '127.0.0.3'; |
878 | $filters['NJABL DUL']['comment'] = |
879 | _("FREE, for now - Not Just Another Blacklist - Dial-up IPs."); |
880 | |
10a26cea |
881 | foreach ($filters as $Key => $Value) { |
ee951d3a |
882 | $filters[$Key]['enabled'] = (bool)getPref($data_dir, $username, $filters[$Key]['prefname']); |
4eee5968 |
883 | } |
884 | |
10a26cea |
885 | return $filters; |
886 | } |
4eee5968 |
887 | |
0a1dc88e |
888 | /** |
9c655416 |
889 | * Removes a User filter |
890 | * @param int $id ID of the filter to remove |
0a1dc88e |
891 | * @access private |
892 | */ |
10a26cea |
893 | function remove_filter ($id) { |
894 | global $data_dir, $username; |
4eee5968 |
895 | |
9c655416 |
896 | while ($nextFilter = getPref($data_dir, $username, 'filter' . ($id + 1))) { |
10a26cea |
897 | setPref($data_dir, $username, 'filter' . $id, $nextFilter); |
898 | $id ++; |
4eee5968 |
899 | } |
900 | |
10a26cea |
901 | removePref($data_dir, $username, 'filter' . $id); |
902 | } |
4eee5968 |
903 | |
0a1dc88e |
904 | /** |
9c655416 |
905 | * Swaps two filters |
906 | * @param int $id1 ID of first filter to swap |
f8a1ed5a |
907 | * @param int $id2 ID of second filter to swap |
0a1dc88e |
908 | * @access private |
909 | */ |
10a26cea |
910 | function filter_swap($id1, $id2) { |
911 | global $data_dir, $username; |
4eee5968 |
912 | |
10a26cea |
913 | $FirstFilter = getPref($data_dir, $username, 'filter' . $id1); |
914 | $SecondFilter = getPref($data_dir, $username, 'filter' . $id2); |
915 | |
916 | if ($FirstFilter && $SecondFilter) { |
917 | setPref($data_dir, $username, 'filter' . $id2, $FirstFilter); |
918 | setPref($data_dir, $username, 'filter' . $id1, $SecondFilter); |
4eee5968 |
919 | } |
10a26cea |
920 | } |
4eec80a7 |
921 | |
0a1dc88e |
922 | /** |
9c655416 |
923 | * This updates the filter rules when renaming or deleting folders |
0a1dc88e |
924 | * @param array $args |
b2d8bc6c |
925 | * @access private |
0a1dc88e |
926 | */ |
f5ab1fb9 |
927 | function update_for_folder ($args) { |
928 | $old_folder = $args[0]; |
9c655416 |
929 | $new_folder = $args[2]; |
930 | $action = $args[1]; |
ce68b76b |
931 | global $data_dir, $username; |
4eec80a7 |
932 | $filters = array(); |
933 | $filters = load_filters(); |
934 | $filter_count = count($filters); |
935 | $p = 0; |
9c655416 |
936 | for ($i = 0; $i < $filter_count; $i++) { |
4eec80a7 |
937 | if (!empty($filters)) { |
938 | if ($old_folder == $filters[$i]['folder']) { |
939 | if ($action == 'rename') { |
940 | $filters[$i]['folder'] = $new_folder; |
941 | setPref($data_dir, $username, 'filter'.$i, |
942 | $filters[$i]['where'].','.$filters[$i]['what'].','.$new_folder); |
943 | } |
944 | elseif ($action == 'delete') { |
945 | remove_filter($p); |
946 | $p = $p-1; |
947 | } |
948 | } |
949 | $p++; |
950 | } |
951 | } |
952 | } |
0a1dc88e |
953 | |
0a1dc88e |
954 | /** |
955 | * Display formated error message |
956 | * @param string $string text message |
957 | * @return string html formated text message |
958 | * @access private |
959 | */ |
960 | function do_error($string) { |
961 | global $color; |
962 | echo "<p align=\"center\"><font color=\"$color[2]\">"; |
963 | echo $string; |
964 | echo "</font></p>\n"; |
965 | } |