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1 | <?php |
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2 | |
35586184 |
3 | /** |
4 | * mime.php |
5 | * |
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6 | * Copyright (c) 1999-2002 The SquirrelMail Project Team |
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7 | * Licensed under the GNU GPL. For full terms see the file COPYING. |
8 | * |
9 | * This contains the functions necessary to detect and decode MIME |
10 | * messages. |
11 | * |
12 | * $Id$ |
13 | */ |
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14 | |
35586184 |
15 | require_once('../functions/imap.php'); |
16 | require_once('../functions/attachment_common.php'); |
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17 | |
35586184 |
18 | /** Setting up the objects that have the structure for the message **/ |
19 | class msg_header { |
20 | /** msg_header contains generic variables for values that **/ |
21 | /** could be in a header. **/ |
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22 | |
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23 | var $type0 = '', $type1 = '', $boundary = '', $charset = ''; |
24 | var $encoding = '', $size = 0, $to = array(), $from = '', $date = ''; |
25 | var $cc = array(), $bcc = array(), $reply_to = '', $subject = ''; |
26 | var $id = 0, $mailbox = '', $description = '', $filename = ''; |
27 | var $entity_id = 0, $message_id = 0, $name = ''; |
28 | // var $priority = ""; |
29 | } |
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30 | |
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31 | class message { |
32 | /** message is the object that contains messages. It is a recursive |
33 | object in that through the $entities variable, it can contain |
34 | more objects of type message. See documentation in mime.txt for |
35 | a better description of how this works. |
36 | **/ |
37 | var $header = ''; |
38 | var $entities = array(); |
39 | |
40 | function addEntity ($msg) { |
41 | $this->entities[] = $msg; |
42 | } |
43 | } |
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44 | |
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45 | /* --------------------------------------------------------------------------------- */ |
46 | /* MIME DECODING */ |
47 | /* --------------------------------------------------------------------------------- */ |
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48 | |
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49 | /* This function gets the structure of a message and stores it in the "message" class. |
50 | * It will return this object for use with all relevant header information and |
51 | * fully parsed into the standard "message" object format. |
52 | */ |
53 | function mime_structure ($imap_stream, $header) { |
54 | |
55 | sqimap_messages_flag ($imap_stream, $header->id, $header->id, 'Seen'); |
56 | $ssid = sqimap_session_id(); |
57 | $lsid = strlen( $ssid ); |
58 | $id = $header->id; |
59 | fputs ($imap_stream, "$ssid FETCH $id BODYSTRUCTURE\r\n"); |
60 | // |
61 | // This should use sqimap_read_data instead of reading it itself |
62 | // |
63 | $read = fgets ($imap_stream, 10000); |
64 | $bodystructure = ''; |
65 | while ( substr($read, 0, $lsid) <> $ssid && |
66 | !feof( $imap_stream ) ) { |
67 | $bodystructure .= $read; |
68 | $read = fgets ($imap_stream, 10000); |
69 | } |
70 | $read = $bodystructure; |
71 | |
72 | // isolate the body structure and remove beginning and end parenthesis |
73 | $read = trim(substr ($read, strpos(strtolower($read), 'bodystructure') + 13)); |
74 | $read = trim(substr ($read, 0, -1)); |
75 | $end = mime_match_parenthesis(0, $read); |
76 | while ($end == strlen($read)-1) { |
77 | $read = trim(substr ($read, 0, -1)); |
78 | $read = trim(substr ($read, 1)); |
79 | $end = mime_match_parenthesis(0, $read); |
80 | } |
81 | |
82 | $msg = mime_parse_structure ($read, 0); |
83 | $msg->header = $header; |
84 | |
85 | return( $msg ); |
86 | } |
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87 | |
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88 | /* this starts the parsing of a particular structure. It is called recursively, |
89 | * so it can be passed different structures. It returns an object of type |
90 | * $message. |
91 | * First, it checks to see if it is a multipart message. If it is, then it |
92 | * handles that as it sees is necessary. If it is just a regular entity, |
93 | * then it parses it and adds the necessary header information (by calling out |
94 | * to mime_get_elements() |
95 | */ |
96 | function mime_parse_structure ($structure, $ent_id) { |
97 | |
98 | $msg = new message(); |
99 | if ($structure{0} == '(') { |
100 | $ent_id = mime_new_element_level($ent_id); |
101 | $start = $end = -1; |
102 | do { |
103 | $start = $end+1; |
104 | $end = mime_match_parenthesis ($start, $structure); |
105 | |
106 | $element = substr($structure, $start+1, ($end - $start)-1); |
107 | $ent_id = mime_increment_id ($ent_id); |
108 | $newmsg = mime_parse_structure ($element, $ent_id); |
109 | $msg->addEntity ($newmsg); |
110 | } while ($structure{$end+1} == '('); |
111 | } else { |
112 | // parse the elements |
113 | $msg = mime_get_element ($structure, $msg, $ent_id); |
114 | } |
115 | return $msg; |
116 | } |
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117 | |
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118 | /* Increments the element ID. An element id can look like any of |
119 | * the following: 1, 1.2, 4.3.2.4.1, etc. This function increments |
120 | * the last number of the element id, changing 1.2 to 1.3. |
121 | */ |
122 | function mime_increment_id ($id) { |
123 | |
124 | if (strpos($id, ".")) { |
125 | $first = substr($id, 0, strrpos($id, ".")); |
126 | $last = substr($id, strrpos($id, ".")+1); |
127 | $last++; |
128 | $new = $first . "." .$last; |
129 | } else { |
130 | $new = $id + 1; |
131 | } |
132 | |
133 | return $new; |
134 | } |
135 | |
136 | /* |
137 | * See comment for mime_increment_id(). |
138 | * This adds another level on to the entity_id changing 1.3 to 1.3.0 |
139 | * NOTE: 1.3.0 is not a valid element ID. It MUST be incremented |
140 | * before it can be used. I left it this way so as not to have |
141 | * to make a special case if it is the first entity_id. It |
142 | * always increments it, and that works fine. |
143 | */ |
144 | function mime_new_element_level ($id) { |
145 | |
146 | if (!$id) { |
147 | $id = 0; |
148 | } else { |
149 | $id = $id . '.0'; |
150 | } |
151 | |
152 | return( $id ); |
153 | } |
154 | |
155 | function mime_get_element (&$structure, $msg, $ent_id) { |
156 | |
157 | $elem_num = 1; |
158 | $msg->header = new msg_header(); |
159 | $msg->header->entity_id = $ent_id; |
160 | $properties = array(); |
161 | |
162 | while (strlen($structure) > 0) { |
163 | $structure = trim($structure); |
164 | $char = $structure{0}; |
165 | |
166 | if (strtolower(substr($structure, 0, 3)) == 'nil') { |
167 | $text = ''; |
168 | $structure = substr($structure, 3); |
169 | } else if ($char == '"') { |
170 | // loop through until we find the matching quote, and return that as a string |
171 | $pos = 1; |
172 | $text = ''; |
173 | while ( ($char = $structure{$pos} ) <> '"' && $pos < strlen($structure)) { |
174 | $text .= $char; |
175 | $pos++; |
176 | } |
177 | $structure = substr($structure, strlen($text) + 2); |
178 | } else if ($char == '(') { |
179 | // comment me |
180 | $end = mime_match_parenthesis (0, $structure); |
181 | $sub = substr($structure, 1, $end-1); |
182 | $properties = mime_get_props($properties, $sub); |
183 | $structure = substr($structure, strlen($sub) + 2); |
184 | } else { |
185 | // loop through until we find a space or an end parenthesis |
186 | $pos = 0; |
187 | $char = $structure{$pos}; |
188 | $text = ''; |
189 | while ($char != ' ' && $char != ')' && $pos < strlen($structure)) { |
190 | $text .= $char; |
191 | $pos++; |
192 | $char = $structure{$pos}; |
193 | } |
194 | $structure = substr($structure, strlen($text)); |
195 | } |
196 | |
197 | // This is where all the text parts get put into the header |
198 | switch ($elem_num) { |
199 | case 1: |
200 | $msg->header->type0 = strtolower($text); |
201 | break; |
202 | case 2: |
203 | $msg->header->type1 = strtolower($text); |
204 | break; |
205 | case 4: // Id |
206 | // Invisimail enclose images with <> |
207 | $msg->header->id = str_replace( '<', '', str_replace( '>', '', $text ) ); |
208 | break; |
209 | case 5: |
210 | $msg->header->description = $text; |
211 | break; |
212 | case 6: |
213 | $msg->header->encoding = strtolower($text); |
214 | break; |
215 | case 7: |
216 | $msg->header->size = $text; |
217 | break; |
218 | default: |
219 | if ($msg->header->type0 == 'text' && $elem_num == 8) { |
220 | // This is a plain text message, so lets get the number of lines |
221 | // that it contains. |
222 | $msg->header->num_lines = $text; |
223 | |
224 | } else if ($msg->header->type0 == 'message' && $msg->header->type1 == 'rfc822' && $elem_num == 8) { |
225 | // This is an encapsulated message, so lets start all over again and |
226 | // parse this message adding it on to the existing one. |
227 | $structure = trim($structure); |
228 | if ( $structure{0} == '(' ) { |
229 | $e = mime_match_parenthesis (0, $structure); |
230 | $structure = substr($structure, 0, $e); |
231 | $structure = substr($structure, 1); |
232 | $m = mime_parse_structure($structure, $msg->header->entity_id); |
233 | |
234 | // the following conditional is there to correct a bug that wasn't |
235 | // incrementing the entity IDs correctly because of the special case |
236 | // that message/rfc822 is. This fixes it fine. |
237 | if (substr($structure, 1, 1) != '(') |
238 | $m->header->entity_id = mime_increment_id(mime_new_element_level($ent_id)); |
239 | |
240 | // Now we'll go through and reformat the results. |
241 | if ($m->entities) { |
242 | for ($i=0; $i < count($m->entities); $i++) { |
243 | $msg->addEntity($m->entities[$i]); |
244 | } |
245 | } else { |
246 | $msg->addEntity($m); |
247 | } |
248 | $structure = ""; |
249 | } |
250 | } |
251 | break; |
252 | } |
253 | $elem_num++; |
254 | $text = ""; |
255 | } |
256 | // loop through the additional properties and put those in the various headers |
257 | if ($msg->header->type0 != 'message') { |
258 | for ($i=0; $i < count($properties); $i++) { |
259 | $msg->header->{$properties[$i]['name']} = $properties[$i]['value']; |
260 | } |
261 | } |
262 | |
263 | return $msg; |
264 | } |
265 | |
266 | /* |
267 | * I did most of the MIME stuff yesterday (June 20, 2000), but I couldn't |
268 | * figure out how to do this part, so I decided to go to bed. I woke up |
269 | * in the morning and had a flash of insight. I went to the white-board |
270 | * and scribbled it out, then spent a bit programming it, and this is the |
271 | * result. Nothing complicated, but I think my brain was fried yesterday. |
272 | * Funny how that happens some times. |
273 | * |
274 | * This gets properties in a nested parenthesisized list. For example, |
275 | * this would get passed something like: ("attachment" ("filename" "luke.tar.gz")) |
276 | * This returns an array called $props with all paired up properties. |
277 | * It ignores the "attachment" for now, maybe that should change later |
278 | * down the road. In this case, what is returned is: |
279 | * $props[0]["name"] = "filename"; |
280 | * $props[0]["value"] = "luke.tar.gz"; |
281 | */ |
282 | function mime_get_props ($props, $structure) { |
283 | |
284 | while (strlen($structure) > 0) { |
285 | $structure = trim($structure); |
286 | $char = $structure{0}; |
287 | |
288 | if ($char == '"') { |
289 | $pos = 1; |
290 | $tmp = ''; |
291 | while ( ( $char = $structure{$pos} ) != '"' && |
292 | $pos < strlen($structure)) { |
293 | $tmp .= $char; |
294 | $pos++; |
295 | } |
296 | $structure = trim(substr($structure, strlen($tmp) + 2)); |
297 | $char = $structure{0}; |
298 | |
299 | if ($char == '"') { |
300 | $pos = 1; |
301 | $value = ''; |
302 | while ( ( $char = $structure{$pos} ) != '"' && |
303 | $pos < strlen($structure) ) { |
304 | $value .= $char; |
305 | $pos++; |
306 | } |
307 | $structure = trim(substr($structure, strlen($tmp) + 2)); |
308 | |
309 | $k = count($props); |
310 | $props[$k]['name'] = strtolower($tmp); |
311 | $props[$k]['value'] = $value; |
312 | } else if ($char == '(') { |
313 | $end = mime_match_parenthesis (0, $structure); |
314 | $sub = substr($structure, 1, $end-1); |
315 | if (! isset($props)) |
316 | $props = array(); |
317 | $props = mime_get_props($props, $sub); |
318 | $structure = substr($structure, strlen($sub) + 2); |
319 | } |
320 | return $props; |
321 | } else if ($char == '(') { |
322 | $end = mime_match_parenthesis (0, $structure); |
323 | $sub = substr($structure, 1, $end-1); |
324 | $props = mime_get_props($props, $sub); |
325 | $structure = substr($structure, strlen($sub) + 2); |
326 | return $props; |
327 | } else { |
328 | return $props; |
329 | } |
330 | } |
331 | } |
332 | |
333 | /* |
334 | * Matches parenthesis. It will return the position of the matching |
335 | * parenthesis in $structure. For instance, if $structure was: |
336 | * ("text" "plain" ("val1name", "1") nil ... ) |
337 | * x x |
338 | * then this would return 42 to match up those two. |
339 | */ |
340 | function mime_match_parenthesis ($pos, $structure) { |
341 | |
342 | $j = strlen( $structure ); |
343 | |
344 | // ignore all extra characters |
345 | // If inside of a string, skip string -- Boundary IDs and other |
346 | // things can have ) in them. |
347 | if ( $structure{$pos} != '(' ) { |
348 | return( $j ); |
349 | } |
350 | |
351 | while ( $pos < $j ) { |
352 | $pos++; |
353 | if ($structure{$pos} == ')') { |
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354 | return $pos; |
451f74a2 |
355 | } elseif ($structure{$pos} == '"') { |
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356 | $pos++; |
451f74a2 |
357 | while ( $structure{$pos} != '"' && |
358 | $pos < $j ) { |
359 | if (substr($structure, $pos, 2) == '\\"') { |
b74ba498 |
360 | $pos++; |
451f74a2 |
361 | } elseif (substr($structure, $pos, 2) == '\\\\') { |
b74ba498 |
362 | $pos++; |
451f74a2 |
363 | } |
b74ba498 |
364 | $pos++; |
5ffe5a7e |
365 | } |
451f74a2 |
366 | } elseif ( $structure{$pos} == '(' ) { |
8beafbbc |
367 | $pos = mime_match_parenthesis ($pos, $structure); |
451f74a2 |
368 | } |
369 | } |
370 | echo _("Error decoding mime structure. Report this as a bug!") . '<br>'; |
371 | return( $pos ); |
372 | } |
373 | |
374 | function mime_fetch_body ($imap_stream, $id, $ent_id ) { |
375 | // do a bit of error correction. If we couldn't find the entity id, just guess |
376 | // that it is the first one. That is usually the case anyway. |
377 | if (!$ent_id) |
378 | $ent_id = 1; |
ef22bc84 |
379 | $data = sqimap_run_command ($imap_stream, "FETCH $id BODY[$ent_id]", true, $response, $message); |
451f74a2 |
380 | $topline = array_shift($data); |
381 | while (! ereg('\\* [0-9]+ FETCH ', $topline) && $data) |
a3daaaf3 |
382 | $topline = array_shift($data); |
451f74a2 |
383 | $wholemessage = implode('', $data); |
384 | if (ereg('\\{([^\\}]*)\\}', $topline, $regs)) { |
385 | $ret = substr( $wholemessage, 0, $regs[1] ); |
386 | /* |
387 | There is some information in the content info header that could be important |
388 | in order to parse html messages. Let's get them here. |
389 | */ |
390 | if ( $ret{0} == '<' ) { |
1c72b151 |
391 | $data = sqimap_run_command ($imap_stream, "FETCH $id BODY[$ent_id.MIME]", true, $response, $message); |
451f74a2 |
392 | $base = ''; |
393 | $k = 10; |
394 | foreach( $data as $d ) { |
395 | if ( substr( $d, 0, 13 ) == 'Content-Base:' ) { |
396 | $j = strlen( $d ); |
397 | $i = 13; |
398 | $base = ''; |
399 | while ( $i < $j && |
400 | ( !isNoSep( $d{$i} ) || $d{$i} == '"' ) ) |
401 | $i++; |
402 | while ( $i < $j ) { |
403 | if ( isNoSep( $d{$i} ) ) |
404 | $base .= $d{$i}; |
405 | $i++; |
a3daaaf3 |
406 | } |
451f74a2 |
407 | $k = 0; |
408 | } elseif ( $k == 1 && !isnosep( $d{0} ) ) { |
409 | $base .= substr( $d, 1 ); |
a3daaaf3 |
410 | } |
451f74a2 |
411 | $k++; |
a3daaaf3 |
412 | } |
451f74a2 |
413 | if ( $base <> '' ) |
494424e3 |
414 | |
451f74a2 |
415 | $ret = "<base href=\"$base\">" . $ret; |
416 | } |
417 | } else if (ereg('"([^"]*)"', $topline, $regs)) { |
418 | $ret = $regs[1]; |
419 | } else { |
420 | global $where, $what, $mailbox, $passed_id, $startMessage; |
421 | $par = "mailbox=".urlencode($mailbox)."&passed_id=$passed_id"; |
422 | if (isset($where) && isset($what)) { |
423 | $par .= "&where=".urlencode($where)."&what=".urlencode($what); |
a3daaaf3 |
424 | } else { |
451f74a2 |
425 | $par .= "&startMessage=$startMessage&show_more=0"; |
426 | } |
427 | $par .= '&response='.urlencode($response).'&message='.urlencode($message). |
428 | '&topline='.urlencode($topline); |
a019eeb8 |
429 | |
451f74a2 |
430 | echo '<b><font color=$color[2]>' . |
431 | _("Body retrieval error. The reason for this is most probably that the message is malformed. Please help us making future versions better by submitting this message to the developers knowledgebase!") . |
432 | "<A HREF=\"../src/retrievalerror.php?$par\">Submit message</A><BR>" . |
433 | '<tt>' . _("Response:") . "$response<BR>" . |
434 | _("Message:") . " $message<BR>" . |
435 | _("FETCH line:") . " $topline<BR></tt></font></b>"; |
a019eeb8 |
436 | |
1c72b151 |
437 | $data = sqimap_run_command ($imap_stream, "FETCH $passed_id BODY[]", true, $response, $message); |
451f74a2 |
438 | array_shift($data); |
439 | $wholemessage = implode('', $data); |
a019eeb8 |
440 | |
451f74a2 |
441 | $ret = "---------------\n$wholemessage"; |
a019eeb8 |
442 | |
a3daaaf3 |
443 | } |
451f74a2 |
444 | return( $ret ); |
445 | } |
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446 | |
451f74a2 |
447 | function mime_print_body_lines ($imap_stream, $id, $ent_id, $encoding) { |
448 | // do a bit of error correction. If we couldn't find the entity id, just guess |
449 | // that it is the first one. That is usually the case anyway. |
450 | if (!$ent_id) { |
451 | $ent_id = 1; |
452 | } |
453 | $sid = sqimap_session_id(); |
454 | // Don't kill the connection if the browser is over a dialup |
455 | // and it would take over 30 seconds to download it. |
456 | set_time_limit(0); |
457 | |
458 | fputs ($imap_stream, "$sid FETCH $id BODY[$ent_id]\r\n"); |
459 | $cnt = 0; |
460 | $continue = true; |
461 | $read = fgets ($imap_stream,4096); |
462 | // This could be bad -- if the section has sqimap_session_id() . ' OK' |
463 | // or similar, it will kill the download. |
464 | while (!ereg("^".$sid." (OK|BAD|NO)(.*)$", $read, $regs)) { |
465 | if (trim($read) == ')==') { |
466 | $read1 = $read; |
b74ba498 |
467 | $read = fgets ($imap_stream,4096); |
451f74a2 |
468 | if (ereg("^".$sid." (OK|BAD|NO)(.*)$", $read, $regs)) { |
469 | return; |
470 | } else { |
471 | echo decodeBody($read1, $encoding) . |
472 | decodeBody($read, $encoding); |
473 | } |
474 | } else if ($cnt) { |
475 | echo decodeBody($read, $encoding); |
b74ba498 |
476 | } |
451f74a2 |
477 | $read = fgets ($imap_stream,4096); |
478 | $cnt++; |
479 | } |
480 | } |
beb9e459 |
481 | |
451f74a2 |
482 | /* -[ END MIME DECODING ]----------------------------------------------------------- */ |
d4467150 |
483 | |
aceb0d5c |
484 | |
d4467150 |
485 | |
451f74a2 |
486 | /* This is the first function called. It decides if this is a multipart |
487 | message or if it should be handled as a single entity |
488 | */ |
489 | function decodeMime ($imap_stream, &$header) { |
490 | global $username, $key, $imapServerAddress, $imapPort; |
491 | return mime_structure ($imap_stream, $header); |
492 | } |
ea48eb25 |
493 | |
451f74a2 |
494 | // This is here for debugging purposese. It will print out a list |
495 | // of all the entity IDs that are in the $message object. |
496 | /* |
497 | function listEntities ($message) { |
498 | if ($message) { |
499 | if ($message->header->entity_id) |
500 | echo "<tt>" . $message->header->entity_id . ' : ' . $message->header->type0 . '/' . $message->header->type1 . '<br>'; |
501 | for ($i = 0; $message->entities[$i]; $i++) { |
502 | $msg = listEntities($message->entities[$i], $ent_id); |
503 | if ($msg) |
504 | return $msg; |
505 | } |
506 | } |
507 | } |
508 | */ |
509 | |
510 | /* returns a $message object for a particular entity id */ |
511 | function getEntity ($message, $ent_id) { |
512 | if ($message) { |
513 | if ($message->header->entity_id == $ent_id && strlen($ent_id) == strlen($message->header->entity_id)) { |
8beafbbc |
514 | return $message; |
451f74a2 |
515 | } else { |
cd928157 |
516 | for ($i = 0; isset($message->entities[$i]); $i++) { |
451f74a2 |
517 | $msg = getEntity ($message->entities[$i], $ent_id); |
518 | if ($msg) { |
519 | return $msg; |
520 | } |
b1dadc61 |
521 | } |
451f74a2 |
522 | } |
523 | } |
524 | } |
8beafbbc |
525 | |
451f74a2 |
526 | /* |
527 | * figures out what entity to display and returns the $message object |
528 | * for that entity. |
529 | */ |
530 | function findDisplayEntity ($message, $textOnly = 1) { |
531 | global $show_html_default; |
532 | |
533 | $entity = 0; |
534 | |
535 | if ($message) { |
536 | if ( $message->header->type0 == 'multipart' && |
537 | ( $message->header->type1 == 'alternative' || |
538 | $message->header->type1 == 'related' ) && |
539 | $show_html_default && ! $textOnly ) { |
540 | $entity = findDisplayEntityHTML($message); |
541 | } |
542 | |
543 | // Show text/plain or text/html -- the first one we find. |
544 | if ( $entity == 0 && |
545 | $message->header->type0 == 'text' && |
546 | ( $message->header->type1 == 'plain' || |
547 | $message->header->type1 == 'html' ) && |
548 | isset($message->header->entity_id) ) { |
549 | $entity = $message->header->entity_id; |
550 | } |
551 | |
552 | $i = 0; |
553 | while ($entity == 0 && isset($message->entities[$i]) ) { |
554 | $entity = findDisplayEntity($message->entities[$i], $textOnly); |
555 | $i++; |
a3daaaf3 |
556 | } |
a3daaaf3 |
557 | } |
451f74a2 |
558 | |
559 | return( $entity ); |
560 | } |
b74ba498 |
561 | |
451f74a2 |
562 | /* Shows the HTML version */ |
563 | function findDisplayEntityHTML ($message) { |
8405ee35 |
564 | |
451f74a2 |
565 | if ( $message->header->type0 == 'text' && |
566 | $message->header->type1 == 'html' && |
567 | isset($message->header->entity_id)) { |
568 | return $message->header->entity_id; |
569 | } |
570 | for ($i = 0; isset($message->entities[$i]); $i ++) { |
571 | $entity = findDisplayEntityHTML($message->entities[$i]); |
572 | if ($entity != 0) { |
573 | return $entity; |
574 | } |
575 | } |
576 | |
577 | return 0; |
578 | } |
579 | |
580 | /* This returns a parsed string called $body. That string can then |
581 | be displayed as the actual message in the HTML. It contains |
582 | everything needed, including HTML Tags, Attachments at the |
583 | bottom, etc. |
584 | */ |
585 | function formatBody($imap_stream, $message, $color, $wrap_at) { |
586 | // this if statement checks for the entity to show as the |
587 | // primary message. To add more of them, just put them in the |
588 | // order that is their priority. |
589 | global $startMessage, $username, $key, $imapServerAddress, $imapPort, |
590 | $show_html_default; |
591 | |
592 | $id = $message->header->id; |
593 | $urlmailbox = urlencode($message->header->mailbox); |
594 | |
595 | // Get the right entity and redefine message to be this entity |
596 | // Pass the 0 to mean that we want the 'best' viewable one |
597 | $ent_num = findDisplayEntity ($message, 0); |
598 | $body_message = getEntity($message, $ent_num); |
599 | if (($body_message->header->type0 == 'text') || |
600 | ($body_message->header->type0 == 'rfc822')) { |
601 | |
602 | $body = mime_fetch_body ($imap_stream, $id, $ent_num); |
603 | $body = decodeBody($body, $body_message->header->encoding); |
604 | $hookResults = do_hook("message_body", $body); |
605 | $body = $hookResults[1]; |
606 | |
607 | // If there are other types that shouldn't be formatted, add |
608 | // them here |
609 | if ($body_message->header->type1 == 'html') { |
610 | if ( $show_html_default <> 1 ) { |
a3daaaf3 |
611 | $body = strip_tags( $body ); |
612 | translateText($body, $wrap_at, $body_message->header->charset); |
613 | } else { |
614 | $body = MagicHTML( $body, $id ); |
615 | } |
451f74a2 |
616 | } else { |
9eea179c |
617 | translateText($body, $wrap_at, $body_message->header->charset); |
451f74a2 |
618 | } |
619 | |
620 | $body .= "<SMALL><CENTER><A HREF=\"../src/download.php?absolute_dl=true&passed_id=$id&passed_ent_id=$ent_num&mailbox=$urlmailbox&showHeaders=1\">". _("Download this as a file") ."</A></CENTER><BR></SMALL>"; |
621 | |
622 | /** Display the ATTACHMENTS: message if there's more than one part **/ |
623 | $body .= "</TD></TR></TABLE>"; |
624 | if (isset($message->entities[0])) { |
625 | $body .= formatAttachments ($message, $ent_num, $message->header->mailbox, $id); |
626 | } |
627 | $body .= "</TD></TR></TABLE>"; |
628 | } else { |
629 | $body = formatAttachments ($message, -1, $message->header->mailbox, $id); |
630 | } |
631 | return ($body); |
632 | } |
b74ba498 |
633 | |
451f74a2 |
634 | /* |
635 | * A recursive function that returns a list of attachments with links |
636 | * to where to download these attachments |
637 | */ |
638 | function formatAttachments ($message, $ent_id, $mailbox, $id) { |
639 | global $where, $what; |
640 | global $startMessage, $color; |
641 | static $ShownHTML = 0; |
642 | |
643 | $body = ""; |
644 | if ($ShownHTML == 0) { |
645 | $ShownHTML = 1; |
646 | |
647 | $body .= "<TABLE WIDTH=\"100%\" CELLSPACING=0 CELLPADDING=2 BORDER=0 BGCOLOR=\"$color[0]\"><TR>\n" . |
648 | "<TH ALIGN=\"left\" BGCOLOR=\"$color[9]\"><B>\n" . |
649 | _("Attachments") . ':' . |
650 | "</B></TH></TR><TR><TD>\n" . |
651 | "<TABLE CELLSPACING=0 CELLPADDING=1 BORDER=0>\n" . |
652 | formatAttachments ($message, $ent_id, $mailbox, $id) . |
653 | "</TABLE></TD></TR></TABLE>"; |
654 | |
655 | return( $body ); |
656 | } |
657 | |
658 | if ($message) { |
659 | if (!$message->entities) { |
660 | $type0 = strtolower($message->header->type0); |
661 | $type1 = strtolower($message->header->type1); |
662 | $name = decodeHeader($message->header->name); |
663 | |
664 | if ($message->header->entity_id != $ent_id) { |
665 | $filename = decodeHeader($message->header->filename); |
666 | if (trim($filename) == '') { |
667 | if (trim($name) == '') { |
668 | if ( trim( $message->header->id ) == '' ) |
669 | $display_filename = 'untitled-[' . $message->header->entity_id . ']' ; |
670 | else |
671 | $display_filename = 'cid: ' . $message->header->id; |
672 | // $display_filename = 'untitled-[' . $message->header->entity_id . ']' ; |
673 | } else { |
674 | $display_filename = $name; |
675 | $filename = $name; |
676 | } |
677 | } else { |
678 | $display_filename = $filename; |
679 | } |
680 | |
681 | $urlMailbox = urlencode($mailbox); |
682 | $ent = urlencode($message->header->entity_id); |
683 | |
684 | $DefaultLink = |
685 | "../src/download.php?startMessage=$startMessage&passed_id=$id&mailbox=$urlMailbox&passed_ent_id=$ent"; |
686 | if ($where && $what) |
687 | $DefaultLink .= '&where=' . urlencode($where) . '&what=' . urlencode($what); |
688 | $Links['download link']['text'] = _("download"); |
689 | $Links['download link']['href'] = |
690 | "../src/download.php?absolute_dl=true&passed_id=$id&mailbox=$urlMailbox&passed_ent_id=$ent"; |
691 | $ImageURL = ''; |
692 | |
693 | $HookResults = do_hook("attachment $type0/$type1", $Links, |
694 | $startMessage, $id, $urlMailbox, $ent, $DefaultLink, |
695 | $display_filename, $where, $what); |
696 | |
697 | $Links = $HookResults[1]; |
698 | $DefaultLink = $HookResults[6]; |
699 | |
700 | $body .= '<TR><TD> </TD><TD>' . |
701 | "<A HREF=\"$DefaultLink\">$display_filename</A> </TD>" . |
702 | '<TD><SMALL><b>' . show_readable_size($message->header->size) . |
703 | '</b> </small></TD>' . |
704 | "<TD><SMALL>[ $type0/$type1 ] </SMALL></TD>" . |
705 | '<TD><SMALL>'; |
706 | if ($message->header->description) |
707 | $body .= '<b>' . htmlspecialchars($message->header->description) . '</b>'; |
708 | $body .= '</SMALL></TD><TD><SMALL> '; |
709 | |
710 | |
711 | $SkipSpaces = 1; |
712 | foreach ($Links as $Val) { |
713 | if ($SkipSpaces) { |
714 | $SkipSpaces = 0; |
715 | } else { |
716 | $body .= ' | '; |
717 | } |
718 | $body .= '<a href="' . $Val['href'] . '">' . $Val['text'] . '</a>'; |
719 | } |
b74ba498 |
720 | |
451f74a2 |
721 | unset($Links); |
b74ba498 |
722 | |
451f74a2 |
723 | $body .= "</SMALL></TD></TR>\n"; |
724 | } |
725 | } else { |
726 | for ($i = 0; $i < count($message->entities); $i++) { |
727 | $body .= formatAttachments ($message->entities[$i], $ent_id, $mailbox, $id); |
728 | } |
729 | } |
730 | return( $body ); |
731 | } |
732 | } |
b74ba498 |
733 | |
b74ba498 |
734 | |
451f74a2 |
735 | /** this function decodes the body depending on the encoding type. **/ |
736 | function decodeBody($body, $encoding) { |
737 | $body = str_replace("\r\n", "\n", $body); |
738 | $encoding = strtolower($encoding); |
b74ba498 |
739 | |
451f74a2 |
740 | global $show_html_default; |
4809f489 |
741 | |
451f74a2 |
742 | if ($encoding == 'quoted-printable') { |
743 | $body = quoted_printable_decode($body); |
4809f489 |
744 | |
7831268e |
745 | |
451f74a2 |
746 | while (ereg("=\n", $body)) |
747 | $body = ereg_replace ("=\n", "", $body); |
358f007e |
748 | |
451f74a2 |
749 | } else if ($encoding == 'base64') { |
750 | $body = base64_decode($body); |
751 | } |
b74ba498 |
752 | |
451f74a2 |
753 | // All other encodings are returned raw. |
754 | return $body; |
755 | } |
756 | |
757 | /* |
758 | * This functions decode strings that is encoded according to |
759 | * RFC1522 (MIME Part Two: Message Header Extensions for Non-ASCII Text). |
760 | */ |
761 | function decodeHeader ($string, $utfencode=true) { |
762 | if (eregi('=\\?([^?]+)\\?(q|b)\\?([^?]+)\\?=', |
763 | $string, $res)) { |
764 | if (ucfirst($res[2]) == "B") { |
765 | $replace = base64_decode($res[3]); |
766 | } else { |
767 | $replace = ereg_replace("_", " ", $res[3]); |
768 | // Convert lowercase Quoted Printable to uppercase for |
769 | // quoted_printable_decode to understand it. |
770 | while (ereg("(=(([0-9][abcdef])|([abcdef][0-9])|([abcdef][abcdef])))", $replace, $res)) { |
771 | $replace = str_replace($res[1], strtoupper($res[1]), $replace); |
772 | } |
773 | $replace = quoted_printable_decode($replace); |
774 | } |
775 | /* Only encode into entities by default. Some places |
776 | don't need the encoding, like the compose form. */ |
777 | if ($utfencode){ |
778 | $replace = charset_decode ($res[1], $replace); |
779 | } |
780 | |
781 | // Remove the name of the character set. |
782 | $string = eregi_replace ('=\\?([^?]+)\\?(q|b)\\?([^?]+)\\?=', |
783 | $replace, $string); |
784 | |
785 | // In case there should be more encoding in the string: recurse |
786 | return (decodeHeader($string)); |
787 | } else |
788 | return ($string); |
789 | } |
790 | |
791 | /* |
792 | * Encode a string according to RFC 1522 for use in headers if it |
793 | * contains 8-bit characters or anything that looks like it should |
794 | * be encoded. |
795 | */ |
796 | function encodeHeader ($string) { |
797 | global $default_charset; |
798 | |
799 | // Encode only if the string contains 8-bit characters or =? |
800 | $j = strlen( $string ); |
801 | $l = strstr($string, '=?'); // Must be encoded ? |
802 | $ret = ''; |
803 | for( $i=0; $i < $j; ++$i) { |
f7b3ba37 |
804 | switch( $string{$i} ) { |
805 | case '=': |
b74ba498 |
806 | $ret .= '=3D'; |
807 | break; |
451f74a2 |
808 | case '?': |
b74ba498 |
809 | $ret .= '=3F'; |
810 | break; |
451f74a2 |
811 | case '_': |
b74ba498 |
812 | $ret .= '=5F'; |
813 | break; |
451f74a2 |
814 | case ' ': |
b74ba498 |
815 | $ret .= '_'; |
816 | break; |
451f74a2 |
817 | default: |
b74ba498 |
818 | $k = ord( $string{$i} ); |
451f74a2 |
819 | if ( $k > 126 ) { |
b74ba498 |
820 | $ret .= sprintf("=%02X", $k); |
821 | $l = TRUE; |
822 | } else |
823 | $ret .= $string{$i}; |
f7b3ba37 |
824 | } |
451f74a2 |
825 | } |
826 | |
827 | if ( $l ) { |
f7b3ba37 |
828 | $string = "=?$default_charset?Q?$ret?="; |
451f74a2 |
829 | } |
830 | |
831 | return( $string ); |
832 | } |
b74ba498 |
833 | |
451f74a2 |
834 | /* |
a3daaaf3 |
835 | Strips dangerous tags from html messages. |
451f74a2 |
836 | */ |
837 | function MagicHTML( $body, $id ) { |
838 | |
43fdb2a4 |
839 | global $message, $HTTP_SERVER_VARS, |
5106a9be |
840 | $attachment_common_show_images; |
451f74a2 |
841 | |
5106a9be |
842 | $attachment_common_show_images = |
843 | FALSE; // Don't display attached images in HTML mode |
451f74a2 |
844 | $j = strlen( $body ); // Legnth of the HTML |
845 | $ret = ''; // Returned string |
846 | $bgcolor = '#ffffff'; // Background style color (defaults to white) |
847 | $textcolor = '#000000'; // Foreground style color (defaults to black) |
848 | $leftmargin = ''; // Left margin style |
849 | $title = ''; // HTML title if any |
850 | |
851 | $i = 0; |
852 | while ( $i < $j ) { |
853 | if ( $body{$i} == '<' ) { |
854 | $pos = $i + 1; |
855 | $tag = ''; |
856 | while ($body{$pos} == ' ' || $body{$pos} == "\t" || |
857 | $body{$pos} == "\n") { |
858 | $pos ++; |
859 | } |
860 | while (strlen($tag) < 4 && $body{$pos} != ' ' && |
861 | $body{$pos} != "\t" && $body{$pos} != "\n") { |
862 | $tag .= $body{$pos}; |
863 | $pos ++; |
864 | } |
865 | switch( strtoupper( $tag ) ) { |
866 | // Strips the entire tag and contents |
867 | case 'APPL': |
868 | case 'EMBB': |
869 | case 'FRAM': |
870 | case 'SCRI': |
871 | case 'OBJE': |
872 | $etg = '/' . $tag; |
873 | while ( $body{$i+1}.$body{$i+2}.$body{$i+3}.$body{$i+4}.$body{$i+5} <> $etg && |
874 | $i < $j ) $i++; |
875 | while ( $i < $j && $body{++$i} <> '>' ); |
876 | // $ret .= "<!-- $tag removed -->"; |
877 | break; |
878 | // Substitute Title |
879 | case 'TITL': |
880 | $i += 5; |
881 | while ( $body{$i} <> '>' && // </title> |
882 | $i < $j ) |
a3daaaf3 |
883 | $i++; |
451f74a2 |
884 | $i++; |
885 | $title = ''; |
886 | while ( $body{$i} <> '<' && // </title> |
887 | $i < $j ) { |
888 | $title .= $body{$i}; |
889 | $i++; |
890 | } |
891 | $i += 7; |
892 | break; |
893 | // Destroy these tags |
894 | case 'HTML': |
895 | case 'HEAD': |
896 | case '/HTM': |
897 | case '/HEA': |
898 | case '!DOC': |
899 | case 'META': |
900 | case 'DIV ': |
901 | case '/DIV': |
902 | case '!-- ': |
903 | $i += 4; |
904 | while ( $body{$i} <> '>' && |
905 | $i < $j ) |
906 | $i++; |
907 | // $i++; |
908 | break; |
909 | case 'STYL': |
910 | $i += 5; |
911 | while ( $body{$i} <> '>' && // </title> |
912 | $i < $j ) |
913 | $i++; |
914 | $i++; |
915 | // We parse the style to look for interesting stuff |
916 | $styleblk = ''; |
917 | while ( $body{$i} <> '>' && |
918 | $i < $j ) { |
919 | // First we get the name of the style |
920 | $style = ''; |
921 | while ( $body{$i} <> '>' && |
922 | $body{$i} <> '<' && |
923 | $body{$i} <> '{' && |
924 | $i < $j ) { |
925 | if ( isnoSep( $body{$i} ) ) |
926 | $style .= $body{$i}; |
927 | $i++; |
928 | } |
929 | stripComments( $i, $j, $body ); |
930 | $style = strtoupper( trim( $style ) ); |
931 | if ( $style == 'BODY' ) { |
932 | // Next we look into the definitions of the body style |
933 | while ( $body{$i} <> '>' && |
934 | $body{$i} <> '}' && |
a3daaaf3 |
935 | $i < $j ) { |
451f74a2 |
936 | // We look for the background color if any. |
937 | if ( substr( $body, $i, 17 ) == 'BACKGROUND-COLOR:' ) { |
938 | $i += 17; |
939 | $bgcolor = getStyleData( $i, $j, $body ); |
940 | } elseif ( substr( $body, $i, 12 ) == 'MARGIN-LEFT:' ) { |
941 | $i += 12; |
942 | $leftmargin = getStyleData( $i, $j, $body ); |
943 | } |
a3daaaf3 |
944 | $i++; |
945 | } |
451f74a2 |
946 | } else { |
947 | // Other style are mantained |
948 | $styleblk .= "$style "; |
949 | while ( $body{$i} <> '>' && |
950 | $body{$i} <> '<' && |
951 | $body{$i} <> '}' && |
952 | $i < $j ) { |
953 | $styleblk .= $body{$i}; |
a3daaaf3 |
954 | $i++; |
451f74a2 |
955 | } |
956 | $styleblk .= $body{$i}; |
957 | } |
958 | stripComments( $i, $j, $body ); |
959 | if ( $body{$i} <> '>' ) |
960 | $i++; |
961 | } |
962 | if ( $styleblk <> '' ) |
963 | $ret .= "<style>$styleblk"; |
964 | break; |
965 | case 'BODY': |
966 | if ( $title <> '' ) |
967 | $ret .= '<b>' . _("Title:") . " </b>$title<br>\n"; |
968 | $ret .= "<TABLE"; |
969 | $i += 5; |
970 | if (! isset($base)) { |
971 | $base = ''; |
972 | } |
973 | $ret .= stripEvent( $i, $j, $body, $id, $base ); |
974 | $ret .= " bgcolor=$bgcolor width=\"100%\"><tr>"; |
975 | if ( $leftmargin <> '' ) |
976 | $ret .= "<td width=$leftmargin> </td>"; |
977 | $ret .= '<td>'; |
978 | if (strtolower($bgcolor) == 'ffffff' || |
979 | strtolower($bgcolor) == '#ffffff') |
980 | $ret .= '<font color=#000000>'; |
981 | break; |
982 | case 'BASE': |
983 | $i += 5; |
984 | $base = ''; |
985 | while ( !isNoSep( $body{$i} ) && |
986 | $i < $j ) { |
987 | $i++; |
988 | } |
989 | if ( strcasecmp( substr( $base, 0, 4 ), 'href' ) ) { |
a3daaaf3 |
990 | $i += 5; |
451f74a2 |
991 | while ( !isNoSep( $body{$i} ) && |
992 | $i < $j ) { |
a3daaaf3 |
993 | $i++; |
451f74a2 |
994 | } |
995 | while ( $body{$i} <> '>' && |
a3daaaf3 |
996 | $i < $j ) { |
451f74a2 |
997 | if ( $body{$i} <> '"' ) { |
998 | $base .= $body{$i}; |
a3daaaf3 |
999 | } |
451f74a2 |
1000 | $i++; |
a3daaaf3 |
1001 | } |
451f74a2 |
1002 | // Debuging $ret .= "<!-- base == $base -->"; |
1003 | if ( strcasecmp( substr( $base, 0, 4 ), 'file' ) <> 0 ) { |
1004 | $ret .= "\n<BASE HREF=\"$base\">\n"; |
a3daaaf3 |
1005 | } |
a3daaaf3 |
1006 | } |
451f74a2 |
1007 | break; |
1008 | case '/BOD': |
1009 | $ret .= '</font></td></tr></TABLE>'; |
1010 | $i += 6; |
a3daaaf3 |
1011 | break; |
1012 | default: |
451f74a2 |
1013 | // Following tags can contain some event handler, lets search it |
1014 | stripComments( $i, $j, $body ); |
1015 | if (! isset($base)) { |
1016 | $base = ''; |
1017 | } |
1018 | $ret .= stripEvent( $i, $j, $body, $id, $base ) . '>'; |
1019 | // $ret .= "<!-- $tag detected -->"; |
1020 | } |
1021 | } else { |
1022 | $ret .= $body{$i}; |
a3daaaf3 |
1023 | } |
451f74a2 |
1024 | $i++; |
1025 | } |
a3daaaf3 |
1026 | |
451f74a2 |
1027 | return( "\n\n<!-- HTML Output ahead -->\n" . |
1028 | $ret . |
1029 | "\n<!-- END of HTML Output --><base href=\"". |
494424e3 |
1030 | get_location() . '/'. |
451f74a2 |
1031 | "\">\n\n" ); |
1032 | } |
a3daaaf3 |
1033 | |
451f74a2 |
1034 | function isNoSep( $char ) { |
1035 | |
1036 | switch( $char ) { |
1037 | case ' ': |
1038 | case "\n": |
1039 | case "\t": |
1040 | case "\r": |
1041 | case '>': |
1042 | case '"': |
1043 | return( FALSE ); |
1044 | break; |
1045 | default: |
1046 | return( TRUE ); |
1047 | } |
a3daaaf3 |
1048 | |
451f74a2 |
1049 | } |
a3daaaf3 |
1050 | |
451f74a2 |
1051 | /* |
1052 | The following function is usefull to remove extra data that can cause |
1053 | html not to display properly. Especialy with MS stuff. |
1054 | */ |
1055 | |
1056 | function stripComments( &$i, $j, &$body ) { |
1057 | |
1058 | while ( $body{$i}.$body{$i+1}.$body{$i+2}.$body{$i+3} == '<!--' && |
1059 | $i < $j ) { |
1060 | $i += 5; |
1061 | while ( $body{$i-2}.$body{$i-1}.$body{$i} <> '-->' && |
1062 | $i < $j ) |
a3daaaf3 |
1063 | $i++; |
451f74a2 |
1064 | $i++; |
1065 | } |
a3daaaf3 |
1066 | |
451f74a2 |
1067 | return; |
a3daaaf3 |
1068 | |
451f74a2 |
1069 | } |
a3daaaf3 |
1070 | |
451f74a2 |
1071 | /* Gets the style data of a specific style */ |
a3daaaf3 |
1072 | |
451f74a2 |
1073 | function getStyleData( &$i, $j, &$body ) { |
a3daaaf3 |
1074 | |
451f74a2 |
1075 | // We skip spaces |
1076 | while ( $body{$i} <> '>' && !isNoSep( $body{$i} ) && |
1077 | $i < $j ) { |
1078 | $i++; |
1079 | } |
1080 | // And get the color |
1081 | $ret = ''; |
1082 | while ( isNoSep( $body{$i} ) && |
1083 | $i < $j ) { |
1084 | $ret .= $body{$i}; |
1085 | $i++; |
1086 | } |
a3daaaf3 |
1087 | |
451f74a2 |
1088 | return( $ret ); |
1089 | } |
a3daaaf3 |
1090 | |
451f74a2 |
1091 | /* |
1092 | Private function for strip_dangerous_tag. Look for event based coded and "remove" it |
1093 | change on with no (onload -> noload) |
1094 | */ |
a3daaaf3 |
1095 | |
451f74a2 |
1096 | function stripEvent( &$i, $j, &$body, $id, $base ) { |
a3daaaf3 |
1097 | |
451f74a2 |
1098 | global $message, $base_uri; |
a3daaaf3 |
1099 | |
451f74a2 |
1100 | $ret = ''; |
a3daaaf3 |
1101 | |
451f74a2 |
1102 | while ( $body{$i} <> '>' && |
1103 | $i < $j ) { |
1104 | $etg = strtolower($body{$i}.$body{$i+1}.$body{$i+2}); |
1105 | switch( $etg ) { |
1106 | case 'src': |
1107 | // This is probably a src specification |
1108 | $k = $i + 3; |
1109 | while( !isNoSep( $body{$k} )) { |
1110 | $k++; |
1111 | } |
1112 | if ( $body{$k} == '=' ) { |
1113 | /* It is indeed */ |
1114 | $k++; |
1115 | while( !isNoSep( $body{$k} ) && |
1116 | $k < $j ) { |
1117 | $k++; |
1118 | } |
1119 | $src = ''; |
1120 | while ( $body{$k} <> '>' && isNoSep( $body{$k} ) && |
1121 | $k < $j ) { |
1122 | $src .= $body{$k}; |
1123 | $k++; |
1124 | } |
1125 | while( !isNoSep( $body{$k} ) && |
1126 | $k < $j ) { |
1127 | $k++; |
1128 | } |
1129 | if ( strtolower( substr( $src, 0, 4 ) ) == 'cid:' ) { |
1130 | $src = substr( $src, 4 ); |
1131 | $src = "../src/download.php?absolute_dl=true&passed_id=$id&mailbox=" . |
1132 | urlencode( $message->header->mailbox ) . |
1133 | "&passed_ent_id=" . find_ent_id( $src, $message ); |
1134 | } else if ( strtolower( substr( $src, 0, 4 ) ) <> 'http' || |
1135 | stristr( $src, $base_uri ) ) { |
1136 | /* Javascript and local urls goes out */ |
1137 | $src = '../images/' . _("sec_remove_eng.png"); |
1138 | } |
1139 | $ret .= 'src="' . $src . '" '; |
a2b54c4a |
1140 | $i = $k - 3; |
451f74a2 |
1141 | } else { |
1142 | $ret .= 'src'; |
1143 | $i = $i + 3; |
1144 | } |
1145 | |
1146 | break; |
1147 | case '../': |
1148 | // Retrolinks are not allowed without a base because they mess with SM security |
1149 | if ( $base == '' ) { |
a3daaaf3 |
1150 | $i += 2; |
451f74a2 |
1151 | } else { |
1152 | $ret .= '.'; |
a3daaaf3 |
1153 | } |
451f74a2 |
1154 | break; |
1155 | case 'cid': |
1156 | // Internal link |
1157 | $k = $i-1; |
1158 | if ( $body{$i+3} == ':') { |
1159 | $i +=4; |
1160 | $name = ''; |
1161 | while ( isNoSep( $body{$i} ) && |
1162 | $i < $j ) { |
1163 | $name .= $body{$i++}; |
1164 | } |
1165 | if ( $name <> '' ) { |
1166 | $ret .= "../src/download.php?absolute_dl=true&passed_id=$id&mailbox=" . |
1167 | urlencode( $message->header->mailbox ) . |
1168 | "&passed_ent_id=" . find_ent_id( $name, $message ); |
1169 | if ( $body{$k} == '"' ) |
1170 | $ret .= '" '; |
1171 | else |
1172 | $ret .= ' '; |
1173 | } |
1174 | if ( $body{$i} == '>' ) |
1175 | $i -= 1; |
1176 | } |
1177 | break; |
1178 | case ' on': |
1179 | case "\non": |
1180 | case "\ron": |
1181 | case "\ton": |
1182 | $ret .= ' no'; |
1183 | $i += 2; |
1184 | break; |
1185 | case 'pt:': |
1186 | if ( strcasecmp( $body{$i-4}.$body{$i-3}.$body{$i-2}.$body{$i-1}.$body{$i}.$body{$i+1}.$body{$i+2}, 'script:') == 0 ) { |
1187 | $ret .= '_no/'; |
1188 | } else { |
1189 | $ret .= $etg; |
1190 | } |
1191 | $i += 2; |
1192 | break; |
1193 | default: |
1194 | $ret .= $body{$i}; |
a3daaaf3 |
1195 | } |
451f74a2 |
1196 | $i++; |
a3daaaf3 |
1197 | } |
451f74a2 |
1198 | return( $ret ); |
1199 | } |
a3daaaf3 |
1200 | |
1201 | |
451f74a2 |
1202 | /* This function trys to locate the entity_id of a specific mime element */ |
a3daaaf3 |
1203 | |
451f74a2 |
1204 | function find_ent_id( $id, $message ) { |
a3daaaf3 |
1205 | |
451f74a2 |
1206 | $ret = ''; |
1207 | for ($i=0; $ret == '' && $i < count($message->entities); $i++) { |
a3daaaf3 |
1208 | |
451f74a2 |
1209 | if ( $message->entities[$i]->header->entity_id == '' ) { |
1210 | $ret = find_ent_id( $id, $message->entities[$i] ); |
1211 | } else { |
1212 | if ( strcasecmp( $message->entities[$i]->header->id, $id ) == 0 ) |
1213 | $ret = $message->entities[$i]->header->entity_id; |
a3daaaf3 |
1214 | } |
1215 | |
a3daaaf3 |
1216 | } |
451f74a2 |
1217 | |
1218 | return( $ret ); |
1219 | |
1220 | } |
1c72b151 |
1221 | ?> |