59177427 |
1 | <?php |
aceb0d5c |
2 | /** mime.php |
3 | ** |
d068c0ec |
4 | ** This contains the functions necessary to detect and decode MIME |
5 | ** messages. |
6 | ** |
245a6892 |
7 | ** $Id$ |
aceb0d5c |
8 | **/ |
9 | |
e79bed1b |
10 | $debug_mime = false; |
d068c0ec |
11 | $mime_php = true; |
aceb0d5c |
12 | |
1fd97780 |
13 | if (!isset($i18n_php)) |
14 | include "../functions/i18n.php"; |
8beafbbc |
15 | if (!isset($imap_php)) |
16 | include "../functions/imap.php"; |
17 | if (!isset($config_php)) |
18 | include "../config/config.php"; |
19 | |
20 | |
cbcf32f6 |
21 | /** Setting up the objects that have the structure for the message **/ |
8beafbbc |
22 | |
23 | class msg_header { |
24 | /** msg_header contains generic variables for values that **/ |
25 | /** could be in a header. **/ |
26 | |
245a6892 |
27 | var $type0 = '', $type1 = '', $boundary = '', $charset = ''; |
40023540 |
28 | var $encoding = '', $size = 0, $to = array(), $from = '', $date = ''; |
29 | var $cc = array(), $bcc = array(), $reply_to = '', $subject = ''; |
61423189 |
30 | var $id = 0, $mailbox = '', $description = '', $filename = ''; |
245a6892 |
31 | var $entity_id = 0, $message_id = 0; |
8beafbbc |
32 | } |
33 | |
34 | class message { |
35 | /** message is the object that contains messages. It is a recursive |
36 | object in that through the $entities variable, it can contain |
37 | more objects of type message. See documentation in mime.txt for |
38 | a better description of how this works. |
39 | **/ |
61423189 |
40 | var $header = ''; |
2df6ca53 |
41 | var $entities = array(); |
8beafbbc |
42 | |
43 | function addEntity ($msg) { |
61423189 |
44 | $this->entities[] = $msg; |
8beafbbc |
45 | } |
46 | } |
1fd97780 |
47 | |
bcb432a3 |
48 | |
bcb432a3 |
49 | |
8beafbbc |
50 | /* --------------------------------------------------------------------------------- */ |
51 | /* MIME DECODING */ |
52 | /* --------------------------------------------------------------------------------- */ |
53 | |
cbcf32f6 |
54 | // This function gets the structure of a message and stores it in the "message" class. |
55 | // It will return this object for use with all relevant header information and |
56 | // fully parsed into the standard "message" object format. |
8beafbbc |
57 | function mime_structure ($imap_stream, $header) { |
e79bed1b |
58 | global $debug_mime; |
8beafbbc |
59 | sqimap_messages_flag ($imap_stream, $header->id, $header->id, "Seen"); |
60 | |
61 | $id = $header->id; |
62 | fputs ($imap_stream, "a001 FETCH $id BODYSTRUCTURE\r\n"); |
245a6892 |
63 | // |
64 | // This should use sqimap_read_data instead of reading it itself |
65 | // |
e79bed1b |
66 | $read = fgets ($imap_stream, 10000); |
254925d1 |
67 | $response = substr($read, 0, 4); |
245a6892 |
68 | $bodystructure = ""; |
254925d1 |
69 | while ($response != "a001") { |
3e1266ef |
70 | $bodystructure .= $read; |
254925d1 |
71 | $read = fgets ($imap_stream, 10000); |
72 | $response = substr($read, 0, 4); |
73 | } |
22ef7536 |
74 | $read = $bodystructure; |
8beafbbc |
75 | |
04632dbc |
76 | if ($debug_mime) echo "<tt>$read</tt><br><br>\n"; |
8beafbbc |
77 | // isolate the body structure and remove beginning and end parenthesis |
22ef7536 |
78 | $read = trim(substr ($read, strpos(strtolower($read), "bodystructure") + 13)); |
ea48eb25 |
79 | $read = trim(substr ($read, 0, -1)); |
80 | $end = mime_match_parenthesis(0, $read); |
81 | while ($end == strlen($read)-1) { |
82 | $read = trim(substr ($read, 0, -1)); |
83 | $read = trim(substr ($read, 1)); |
84 | $end = mime_match_parenthesis(0, $read); |
85 | } |
8beafbbc |
86 | |
04632dbc |
87 | if ($debug_mime) echo "<tt>$read</tt><br><br>\n"; |
e79bed1b |
88 | |
85daa3ad |
89 | $msg = mime_parse_structure ($read, 0); |
8beafbbc |
90 | $msg->header = $header; |
91 | return $msg; |
92 | } |
93 | |
cbcf32f6 |
94 | // this starts the parsing of a particular structure. It is called recursively, |
95 | // so it can be passed different structures. It returns an object of type |
96 | // $message. |
97 | // First, it checks to see if it is a multipart message. If it is, then it |
98 | // handles that as it sees is necessary. If it is just a regular entity, |
99 | // then it parses it and adds the necessary header information (by calling out |
100 | // to mime_get_elements() |
8beafbbc |
101 | function mime_parse_structure ($structure, $ent_id) { |
e79bed1b |
102 | global $debug_mime; |
04632dbc |
103 | if ($debug_mime) echo "<font color=008800><tt>START: mime_parse_structure()</tt></font><br>\n"; |
8beafbbc |
104 | $msg = new message(); |
105 | if (substr($structure, 0, 1) == "(") { |
106 | $ent_id = mime_new_element_level($ent_id); |
107 | $start = $end = -1; |
ea48eb25 |
108 | if ($debug_mime) echo "<br><font color=0000aa><tt>$structure</tt></font><br>"; |
8beafbbc |
109 | do { |
e79bed1b |
110 | if ($debug_mime) echo "<font color=008800><tt>Found entity...</tt></font><br>"; |
8beafbbc |
111 | $start = $end+1; |
112 | $end = mime_match_parenthesis ($start, $structure); |
113 | |
114 | $element = substr($structure, $start+1, ($end - $start)-1); |
ea48eb25 |
115 | $ent_id = mime_increment_id ($ent_id); |
8beafbbc |
116 | $newmsg = mime_parse_structure ($element, $ent_id); |
117 | $msg->addEntity ($newmsg); |
118 | } while (substr($structure, $end+1, 1) == "("); |
119 | } else { |
120 | // parse the elements |
e79bed1b |
121 | if ($debug_mime) echo "<br><font color=0000aa><tt>$structure</tt></font><br>"; |
090595e1 |
122 | $msg = mime_get_element ($structure, $msg, $ent_id); |
e79bed1b |
123 | if ($debug_mime) echo "<br>"; |
8beafbbc |
124 | } |
125 | return $msg; |
e79bed1b |
126 | if ($debug_mime) echo "<font color=008800><tt> END: mime_parse_structure()</tt></font><br>"; |
8beafbbc |
127 | } |
128 | |
129 | // Increments the element ID. An element id can look like any of |
130 | // the following: 1, 1.2, 4.3.2.4.1, etc. This function increments |
131 | // the last number of the element id, changing 1.2 to 1.3. |
132 | function mime_increment_id ($id) { |
ea48eb25 |
133 | global $debug_mime; |
8beafbbc |
134 | if (strpos($id, ".")) { |
135 | $first = substr($id, 0, strrpos($id, ".")); |
ea48eb25 |
136 | $last = substr($id, strrpos($id, ".")+1); |
8beafbbc |
137 | $last++; |
ea48eb25 |
138 | $new = $first . "." .$last; |
8beafbbc |
139 | } else { |
140 | $new = $id + 1; |
141 | } |
ea48eb25 |
142 | if ($debug_mime) echo "<b>INCREMENT: $new</b><br>"; |
8beafbbc |
143 | return $new; |
144 | } |
145 | |
146 | // See comment for mime_increment_id(). |
147 | // This adds another level on to the entity_id changing 1.3 to 1.3.0 |
148 | // NOTE: 1.3.0 is not a valid element ID. It MUST be incremented |
149 | // before it can be used. I left it this way so as not to have |
150 | // to make a special case if it is the first entity_id. It |
151 | // always increments it, and that works fine. |
152 | function mime_new_element_level ($id) { |
ea48eb25 |
153 | if (!$id) $id = 0; |
154 | else $id = $id . ".0"; |
155 | |
8beafbbc |
156 | return $id; |
157 | } |
158 | |
ea48eb25 |
159 | function mime_get_element (&$structure, $msg, $ent_id) { |
e79bed1b |
160 | global $debug_mime; |
8beafbbc |
161 | $elem_num = 1; |
ea48eb25 |
162 | $msg->header = new msg_header(); |
163 | $msg->header->entity_id = $ent_id; |
8beafbbc |
164 | |
165 | while (strlen($structure) > 0) { |
166 | $structure = trim($structure); |
167 | $char = substr($structure, 0, 1); |
168 | |
e86ab872 |
169 | if (strtolower(substr($structure, 0, 3)) == "nil") { |
8beafbbc |
170 | $text = ""; |
171 | $structure = substr($structure, 3); |
172 | } else if ($char == "\"") { |
173 | // loop through until we find the matching quote, and return that as a string |
174 | $pos = 1; |
175 | $char = substr($structure, $pos, 1); |
245a6892 |
176 | $text = ""; |
8beafbbc |
177 | while ($char != "\"" && $pos < strlen($structure)) { |
178 | $text .= $char; |
179 | $pos++; |
180 | $char = substr($structure, $pos, 1); |
181 | } |
182 | $structure = substr($structure, strlen($text) + 2); |
183 | } else if ($char == "(") { |
184 | // comment me |
185 | $end = mime_match_parenthesis (0, $structure); |
186 | $sub = substr($structure, 1, $end-1); |
245a6892 |
187 | if (! isset($properties)) |
188 | $properties = array(); |
8beafbbc |
189 | $properties = mime_get_props($properties, $sub); |
190 | $structure = substr($structure, strlen($sub) + 2); |
191 | } else { |
192 | // loop through until we find a space or an end parenthesis |
193 | $pos = 0; |
194 | $char = substr($structure, $pos, 1); |
61d9e885 |
195 | $text = ""; |
8beafbbc |
196 | while ($char != " " && $char != ")" && $pos < strlen($structure)) { |
197 | $text .= $char; |
198 | $pos++; |
199 | $char = substr($structure, $pos, 1); |
aceb0d5c |
200 | } |
8beafbbc |
201 | $structure = substr($structure, strlen($text)); |
aceb0d5c |
202 | } |
e79bed1b |
203 | if ($debug_mime) echo "<tt>$elem_num : $text</tt><br>"; |
8beafbbc |
204 | |
205 | // This is where all the text parts get put into the header |
206 | switch ($elem_num) { |
207 | case 1: |
22ef7536 |
208 | $msg->header->type0 = strtolower($text); |
209 | if ($debug_mime) echo "<tt>type0 = ".strtolower($text)."</tt><br>"; |
8beafbbc |
210 | break; |
211 | case 2: |
22ef7536 |
212 | $msg->header->type1 = strtolower($text); |
213 | if ($debug_mime) echo "<tt>type1 = ".strtolower($text)."</tt><br>"; |
8beafbbc |
214 | break; |
ea48eb25 |
215 | case 5: |
216 | $msg->header->description = $text; |
217 | if ($debug_mime) echo "<tt>description = $text</tt><br>"; |
218 | break; |
8beafbbc |
219 | case 6: |
22ef7536 |
220 | $msg->header->encoding = strtolower($text); |
221 | if ($debug_mime) echo "<tt>encoding = ".strtolower($text)."</tt><br>"; |
8beafbbc |
222 | break; |
223 | case 7: |
ea48eb25 |
224 | $msg->header->size = $text; |
e79bed1b |
225 | if ($debug_mime) echo "<tt>size = $text</tt><br>"; |
8beafbbc |
226 | break; |
227 | default: |
ea48eb25 |
228 | if ($msg->header->type0 == "text" && $elem_num == 8) { |
cbcf32f6 |
229 | // This is a plain text message, so lets get the number of lines |
230 | // that it contains. |
ea48eb25 |
231 | $msg->header->num_lines = $text; |
e79bed1b |
232 | if ($debug_mime) echo "<tt>num_lines = $text</tt><br>"; |
cbcf32f6 |
233 | |
ea48eb25 |
234 | } else if ($msg->header->type0 == "message" && $msg->header->type1 == "rfc822" && $elem_num == 8) { |
235 | // This is an encapsulated message, so lets start all over again and |
236 | // parse this message adding it on to the existing one. |
237 | $structure = trim($structure); |
238 | if (substr($structure, 0, 1) == "(") { |
239 | $e = mime_match_parenthesis (0, $structure); |
240 | $structure = substr($structure, 0, $e); |
241 | $structure = substr($structure, 1); |
242 | $m = mime_parse_structure($structure, $msg->header->entity_id); |
cbcf32f6 |
243 | |
244 | // the following conditional is there to correct a bug that wasn't |
245 | // incrementing the entity IDs correctly because of the special case |
246 | // that message/rfc822 is. This fixes it fine. |
ea48eb25 |
247 | if (substr($structure, 1, 1) != "(") |
248 | $m->header->entity_id = mime_increment_id(mime_new_element_level($ent_id)); |
cbcf32f6 |
249 | |
250 | // Now we'll go through and reformat the results. |
ea48eb25 |
251 | if ($m->entities) { |
252 | for ($i=0; $i < count($m->entities); $i++) { |
ea48eb25 |
253 | $msg->addEntity($m->entities[$i]); |
254 | } |
255 | } else { |
ea48eb25 |
256 | $msg->addEntity($m); |
257 | } |
258 | $structure = ""; |
259 | } |
8beafbbc |
260 | } |
261 | break; |
262 | } |
263 | $elem_num++; |
264 | $text = ""; |
265 | } |
266 | // loop through the additional properties and put those in the various headers |
ea48eb25 |
267 | if ($msg->header->type0 != "message") { |
cbcf32f6 |
268 | for ($i=0; $i < count($properties); $i++) { |
269 | $msg->header->{$properties[$i]["name"]} = $properties[$i]["value"]; |
270 | if ($debug_mime) echo "<tt>".$properties[$i]["name"]." = " . $properties[$i]["value"] . "</tt><br>"; |
271 | } |
ea48eb25 |
272 | } |
e4a256af |
273 | |
ea48eb25 |
274 | return $msg; |
8beafbbc |
275 | } |
276 | |
277 | // I did most of the MIME stuff yesterday (June 20, 2000), but I couldn't |
278 | // figure out how to do this part, so I decided to go to bed. I woke up |
279 | // in the morning and had a flash of insight. I went to the white-board |
280 | // and scribbled it out, then spent a bit programming it, and this is the |
281 | // result. Nothing complicated, but I think my brain was fried yesterday. |
cbcf32f6 |
282 | // Funny how that happens some times. |
8beafbbc |
283 | // |
284 | // This gets properties in a nested parenthesisized list. For example, |
285 | // this would get passed something like: ("attachment" ("filename" "luke.tar.gz")) |
286 | // This returns an array called $props with all paired up properties. |
287 | // It ignores the "attachment" for now, maybe that should change later |
288 | // down the road. In this case, what is returned is: |
289 | // $props[0]["name"] = "filename"; |
290 | // $props[0]["value"] = "luke.tar.gz"; |
291 | function mime_get_props ($props, $structure) { |
e79bed1b |
292 | global $debug_mime; |
8beafbbc |
293 | while (strlen($structure) > 0) { |
294 | $structure = trim($structure); |
295 | $char = substr($structure, 0, 1); |
296 | |
297 | if ($char == "\"") { |
298 | $pos = 1; |
299 | $char = substr($structure, $pos, 1); |
245a6892 |
300 | $tmp = ""; |
8beafbbc |
301 | while ($char != "\"" && $pos < strlen($structure)) { |
302 | $tmp .= $char; |
303 | $pos++; |
304 | $char = substr($structure, $pos, 1); |
305 | } |
306 | $structure = trim(substr($structure, strlen($tmp) + 2)); |
307 | $char = substr($structure, 0, 1); |
308 | |
309 | if ($char == "\"") { |
310 | $pos = 1; |
311 | $char = substr($structure, $pos, 1); |
245a6892 |
312 | $value = ""; |
8beafbbc |
313 | while ($char != "\"" && $pos < strlen($structure)) { |
314 | $value .= $char; |
315 | $pos++; |
316 | $char = substr($structure, $pos, 1); |
317 | } |
318 | $structure = trim(substr($structure, strlen($tmp) + 2)); |
319 | |
320 | $k = count($props); |
22ef7536 |
321 | $props[$k]["name"] = strtolower($tmp); |
8beafbbc |
322 | $props[$k]["value"] = $value; |
323 | } else if ($char == "(") { |
324 | $end = mime_match_parenthesis (0, $structure); |
325 | $sub = substr($structure, 1, $end-1); |
245a6892 |
326 | if (! isset($props)) |
327 | $props = array(); |
8beafbbc |
328 | $props = mime_get_props($props, $sub); |
329 | $structure = substr($structure, strlen($sub) + 2); |
330 | } |
331 | return $props; |
332 | } else if ($char == "(") { |
333 | $end = mime_match_parenthesis (0, $structure); |
334 | $sub = substr($structure, 1, $end-1); |
335 | $props = mime_get_props($props, $sub); |
336 | $structure = substr($structure, strlen($sub) + 2); |
ea48eb25 |
337 | return $props; |
8beafbbc |
338 | } else { |
339 | return $props; |
7831268e |
340 | } |
8beafbbc |
341 | } |
342 | } |
7831268e |
343 | |
8beafbbc |
344 | // Matches parenthesis. It will return the position of the matching |
345 | // parenthesis in $structure. For instance, if $structure was: |
346 | // ("text" "plain" ("val1name", "1") nil ... ) |
347 | // x x |
348 | // then this would return 42 to match up those two. |
349 | function mime_match_parenthesis ($pos, $structure) { |
350 | $char = substr($structure, $pos, 1); |
351 | |
352 | // ignore all extra characters |
5ffe5a7e |
353 | // If inside of a string, skip string -- Boundary IDs and other |
354 | // things can have ) in them. |
8beafbbc |
355 | while ($pos < strlen($structure)) { |
356 | $pos++; |
357 | $char = substr($structure, $pos, 1); |
358 | if ($char == ")") { |
359 | return $pos; |
5ffe5a7e |
360 | } else if ($char == '"') { |
361 | $pos ++; |
362 | while (substr($structure, $pos, 1) != '"' && |
363 | $pos < strlen($structure)) { |
364 | $pos ++; |
365 | } |
8beafbbc |
366 | } else if ($char == "(") { |
367 | $pos = mime_match_parenthesis ($pos, $structure); |
368 | } |
d4467150 |
369 | } |
8beafbbc |
370 | } |
d4467150 |
371 | |
8beafbbc |
372 | function mime_fetch_body ($imap_stream, $id, $ent_id) { |
373 | // do a bit of error correction. If we couldn't find the entity id, just guess |
374 | // that it is the first one. That is usually the case anyway. |
375 | if (!$ent_id) $ent_id = 1; |
376 | |
4c5da285 |
377 | fputs ($imap_stream, "a010 FETCH $id BODY[$ent_id]\r\n"); |
378 | $data = sqimap_read_data ($imap_stream, 'a010', true, $response, $message); |
2d32cb9f |
379 | $topline = array_shift($data); |
380 | while (! ereg('\* [0-9]+ FETCH ', $topline) && data) |
381 | $topline = array_shift($data); |
6ff90ce9 |
382 | $wholemessage = implode('', $data); |
2d32cb9f |
383 | |
441f2d33 |
384 | if (ereg('\{([^\}]*)\}', $topline, $regs)) { |
2d32cb9f |
385 | return substr($wholemessage, 0, $regs[1]); |
441f2d33 |
386 | } |
387 | else if (ereg('"([^"]*)"', $topline, $regs)) { |
388 | return $regs[1]; |
389 | } |
2d32cb9f |
390 | |
391 | $str = "Body retrival error. Please report this bug!\n"; |
392 | $str .= "Response: $response\n"; |
393 | $str .= "Message: $message\n"; |
394 | $str .= "FETCH line: $topline"; |
395 | $str .= "---------------\n$wholemessage"; |
396 | foreach ($data as $d) |
397 | { |
398 | $str .= htmlspecialchars($d) . "\n"; |
399 | } |
400 | return $str; |
401 | |
441f2d33 |
402 | return "Body retrival error, please report this bug!\n\nTop line is \"$topline\"\n"; |
d4467150 |
403 | } |
404 | |
beb9e459 |
405 | function mime_print_body_lines ($imap_stream, $id, $ent_id, $encoding) { |
406 | // do a bit of error correction. If we couldn't find the entity id, just guess |
407 | // that it is the first one. That is usually the case anyway. |
408 | if (!$ent_id) $ent_id = 1; |
409 | |
410 | fputs ($imap_stream, "a001 FETCH $id BODY[$ent_id]\r\n"); |
411 | $cnt = 0; |
412 | $continue = true; |
413 | $read = fgets ($imap_stream,4096); |
414 | while (!ereg("^a001 (OK|BAD|NO)(.*)$", $read, $regs)) { |
415 | if (trim($read) == ")==") { |
416 | $read1 = $read; |
417 | $read = fgets ($imap_stream,4096); |
418 | if (ereg("^a001 (OK|BAD|NO)(.*)$", $read, $regs)) { |
419 | return; |
420 | } else { |
421 | echo decodeBody($read1, $encoding); |
422 | echo decodeBody($read, $encoding); |
423 | } |
424 | } else if ($cnt) { |
425 | echo decodeBody($read, $encoding); |
426 | } |
427 | $read = fgets ($imap_stream,4096); |
428 | $cnt++; |
429 | } |
430 | } |
431 | |
8beafbbc |
432 | /* -[ END MIME DECODING ]----------------------------------------------------------- */ |
d4467150 |
433 | |
aceb0d5c |
434 | |
d4467150 |
435 | |
8beafbbc |
436 | /** This is the first function called. It decides if this is a multipart |
437 | message or if it should be handled as a single entity |
4809f489 |
438 | **/ |
090595e1 |
439 | function decodeMime ($imap_stream, &$header) { |
8beafbbc |
440 | global $username, $key, $imapServerAddress, $imapPort; |
8d8ab69a |
441 | return mime_structure ($imap_stream, $header); |
8beafbbc |
442 | } |
b1dadc61 |
443 | |
cbcf32f6 |
444 | // This is here for debugging purposese. It will print out a list |
445 | // of all the entity IDs that are in the $message object. |
ea48eb25 |
446 | function listEntities ($message) { |
447 | if ($message) { |
cbcf32f6 |
448 | if ($message->header->entity_id) |
449 | echo "<tt>" . $message->header->entity_id . " : " . $message->header->type0 . "/" . $message->header->type1 . "<br>"; |
450 | for ($i = 0; $message->entities[$i]; $i++) { |
451 | $msg = listEntities($message->entities[$i], $ent_id); |
452 | if ($msg) |
453 | return $msg; |
454 | } |
ea48eb25 |
455 | } |
456 | } |
457 | |
cbcf32f6 |
458 | // returns a $message object for a particular entity id |
8beafbbc |
459 | function getEntity ($message, $ent_id) { |
460 | if ($message) { |
ea48eb25 |
461 | if ($message->header->entity_id == $ent_id && strlen($ent_id) == strlen($message->header->entity_id)) { |
8beafbbc |
462 | return $message; |
b1dadc61 |
463 | } else { |
cd928157 |
464 | for ($i = 0; isset($message->entities[$i]); $i++) { |
8beafbbc |
465 | $msg = getEntity ($message->entities[$i], $ent_id); |
466 | if ($msg) |
467 | return $msg; |
b1dadc61 |
468 | } |
8beafbbc |
469 | } |
470 | } |
471 | } |
472 | |
cbcf32f6 |
473 | // figures out what entity to display and returns the $message object |
474 | // for that entity. |
8beafbbc |
475 | function findDisplayEntity ($message) { |
476 | if ($message) { |
477 | if ($message->header->type0 == "text") { |
478 | if ($message->header->type1 == "plain" || |
479 | $message->header->type1 == "html") { |
245a6892 |
480 | if (isset($message->header->entity_id)) |
481 | return $message->header->entity_id; |
482 | return 0; |
8beafbbc |
483 | } |
484 | } else { |
485 | for ($i=0; $message->entities[$i]; $i++) { |
486 | return findDisplayEntity($message->entities[$i]); |
487 | } |
488 | } |
d4467150 |
489 | } |
b1dadc61 |
490 | } |
8405ee35 |
491 | |
d068c0ec |
492 | /** This returns a parsed string called $body. That string can then |
493 | be displayed as the actual message in the HTML. It contains |
494 | everything needed, including HTML Tags, Attachments at the |
495 | bottom, etc. |
4809f489 |
496 | **/ |
8d8ab69a |
497 | function formatBody($imap_stream, $message, $color, $wrap_at) { |
cbcf32f6 |
498 | // this if statement checks for the entity to show as the |
499 | // primary message. To add more of them, just put them in the |
500 | // order that is their priority. |
a037624d |
501 | global $startMessage, $username, $key, $imapServerAddress, $imapPort; |
8beafbbc |
502 | |
8beafbbc |
503 | $id = $message->header->id; |
504 | $urlmailbox = urlencode($message->header->mailbox); |
505 | |
e4a256af |
506 | // Get the right entity and redefine message to be this entity |
8beafbbc |
507 | $ent_num = findDisplayEntity ($message); |
2c252f5a |
508 | $body_message = getEntity($message, $ent_num); |
d4ff4d67 |
509 | if (($body_message->header->type0 == "text") || |
510 | ($body_message->header->type0 == "rfc822")) { |
511 | |
512 | $body = mime_fetch_body ($imap_stream, $id, $ent_num); |
513 | $body = decodeBody($body, $body_message->header->encoding); |
514 | |
515 | // If there are other types that shouldn't be formatted, add |
516 | // them here |
f9b3e5d9 |
517 | if ($body_message->header->type1 != "html") { |
9eea179c |
518 | translateText($body, $wrap_at, $body_message->header->charset); |
d4ff4d67 |
519 | } |
520 | |
bc104ef3 |
521 | $body .= "<SMALL><CENTER><A HREF=\"../src/download.php?absolute_dl=true&passed_id=$id&passed_ent_id=$ent_num&mailbox=$urlmailbox\">". _("Download this as a file") ."</A></CENTER><BR></SMALL>"; |
d4ff4d67 |
522 | |
523 | /** Display the ATTACHMENTS: message if there's more than one part **/ |
dd389be5 |
524 | $body .= "</TD></TR></TABLE>"; |
719534f2 |
525 | if (isset($message->entities[0])) { |
d4ff4d67 |
526 | $body .= formatAttachments ($message, $ent_num, $message->header->mailbox, $id); |
d4ff4d67 |
527 | } |
528 | } else { |
dd389be5 |
529 | $body .= formatAttachments ($message, -1, $message->header->mailbox, $id); |
8405ee35 |
530 | } |
d4467150 |
531 | return $body; |
532 | } |
533 | |
8beafbbc |
534 | // A recursive function that returns a list of attachments with links |
535 | // to where to download these attachments |
536 | function formatAttachments ($message, $ent_id, $mailbox, $id) { |
f4991a86 |
537 | global $where, $what; |
dd389be5 |
538 | global $startMessage, $color; |
719534f2 |
539 | static $ShownHTML = 0; |
dd389be5 |
540 | |
61423189 |
541 | $body = ""; |
dd389be5 |
542 | if ($ShownHTML == 0) |
543 | { |
544 | $ShownHTML = 1; |
545 | |
546 | $body .= "<TABLE WIDTH=100% CELLSPACING=0 CELLPADDING=2 BORDER=0 BGCOLOR=\"$color[0]\"><TR>\n"; |
547 | $body .= "<TH ALIGN=\"left\" BGCOLOR=\"$color[9]\"><B>\n"; |
701c9c6b |
548 | $body .= _("Attachments") . ':'; |
dd389be5 |
549 | $body .= "</B></TH></TR><TR><TD>\n"; |
550 | |
551 | $body .= "<TABLE CELLSPACING=0 CELLPADDING=1 BORDER=0>\n"; |
552 | |
553 | $body .= formatAttachments ($message, $ent_id, $mailbox, $id); |
554 | |
555 | $body .= "</TABLE></TD></TR></TABLE>"; |
556 | |
557 | return $body; |
558 | } |
559 | |
8beafbbc |
560 | if ($message) { |
561 | if (!$message->entities) { |
562 | $type0 = strtolower($message->header->type0); |
563 | $type1 = strtolower($message->header->type1); |
564 | |
565 | if ($message->header->entity_id != $ent_id) { |
888c82e2 |
566 | $filename = decodeHeader($message->header->filename); |
8beafbbc |
567 | if (trim($filename) == "") { |
ea48eb25 |
568 | $display_filename = "untitled-".$message->header->entity_id; |
8beafbbc |
569 | } else { |
570 | $display_filename = $filename; |
571 | } |
572 | |
573 | $urlMailbox = urlencode($mailbox); |
574 | $ent = urlencode($message->header->entity_id); |
dd389be5 |
575 | |
576 | $DefaultLink = |
bc104ef3 |
577 | "../src/download.php?startMessage=$startMessage&passed_id=$id&mailbox=$urlMailbox&passed_ent_id=$ent"; |
dd389be5 |
578 | if ($where && $what) |
579 | $DefaultLink .= '&where=' . urlencode($where) . '&what=' . urlencode($what); |
701c9c6b |
580 | $Links['download link']['text'] = _("download"); |
dd389be5 |
581 | $Links['download link']['href'] = |
bc104ef3 |
582 | "../src/download.php?absolute_dl=true&passed_id=$id&mailbox=$urlMailbox&passed_ent_id=$ent"; |
dd389be5 |
583 | $ImageURL = ''; |
584 | |
585 | $HookResults = do_hook("attachment $type0/$type1", $Links, |
586 | $startMessage, $id, $urlMailbox, $ent, $DefaultLink, |
ef30bf50 |
587 | $display_filename, $where, $what); |
dd389be5 |
588 | |
589 | $Links = $HookResults[1]; |
590 | $DefaultLink = $HookResults[6]; |
591 | |
fde32e3f |
592 | $body .= '<TR><TD> </TD><TD>'; |
593 | $body .= "<A HREF=\"$DefaultLink\">$display_filename</A> </TD>"; |
6e7468f6 |
594 | $body .= '<TD><SMALL><b>' . show_readable_size($message->header->size) . |
595 | '</b> </small></TD>'; |
fde32e3f |
596 | $body .= "<TD><SMALL>[ $type0/$type1 ] </SMALL></TD>"; |
597 | $body .= '<TD><SMALL>'; |
ea48eb25 |
598 | if ($message->header->description) |
dd389be5 |
599 | $body .= '<b>' . htmlspecialchars($message->header->description) . '</b>'; |
fde32e3f |
600 | $body .= '</SMALL></TD><TD><SMALL> '; |
dd389be5 |
601 | |
602 | |
603 | $SkipSpaces = 1; |
604 | foreach ($Links as $Val) |
605 | { |
606 | if ($SkipSpaces) |
607 | { |
608 | $SkipSpaces = 0; |
609 | } |
610 | else |
611 | { |
fde32e3f |
612 | $body .= ' | '; |
dd389be5 |
613 | } |
fde32e3f |
614 | $body .= '<a href="' . $Val['href'] . '">' . $Val['text'] . '</a>'; |
dd389be5 |
615 | } |
616 | |
617 | unset($Links); |
618 | |
fde32e3f |
619 | $body .= "</SMALL></TD></TR>\n"; |
8beafbbc |
620 | } |
621 | return $body; |
622 | } else { |
623 | for ($i = 0; $i < count($message->entities); $i++) { |
624 | $body .= formatAttachments ($message->entities[$i], $ent_id, $mailbox, $id); |
625 | } |
626 | return $body; |
627 | } |
628 | } |
629 | } |
4809f489 |
630 | |
631 | |
632 | /** this function decodes the body depending on the encoding type. **/ |
d4467150 |
633 | function decodeBody($body, $encoding) { |
623332f3 |
634 | $body = str_replace("\r\n", "\n", $body); |
d4467150 |
635 | $encoding = strtolower($encoding); |
7831268e |
636 | |
ef3f274f |
637 | if ($encoding == "quoted-printable") { |
638 | $body = quoted_printable_decode($body); |
db87f79c |
639 | |
ef3f274f |
640 | while (ereg("=\n", $body)) |
641 | $body = ereg_replace ("=\n", "", $body); |
97be2168 |
642 | } else if ($encoding == "base64") { |
ef3f274f |
643 | $body = base64_decode($body); |
d4467150 |
644 | } |
ef3f274f |
645 | |
646 | // All other encodings are returned raw. |
647 | return $body; |
aceb0d5c |
648 | } |
a4c2cd49 |
649 | |
650 | |
651 | // This functions decode strings that is encoded according to |
652 | // RFC1522 (MIME Part Two: Message Header Extensions for Non-ASCII Text). |
2e434774 |
653 | function decodeHeader ($string) { |
1fd97780 |
654 | if (eregi('=\?([^?]+)\?(q|b)\?([^?]+)\?=', |
a4c2cd49 |
655 | $string, $res)) { |
1fd97780 |
656 | if (ucfirst($res[2]) == "B") { |
657 | $replace = base64_decode($res[3]); |
a4c2cd49 |
658 | } else { |
1fd97780 |
659 | $replace = ereg_replace("_", " ", $res[3]); |
5155cfcb |
660 | // Convert lowercase Quoted Printable to uppercase for |
661 | // quoted_printable_decode to understand it. |
b75d343f |
662 | while (ereg("(=([0-9][abcdef])|([abcdef][0-9])|([abcdef][abcdef]))", $replace, $res)) { |
5155cfcb |
663 | $replace = str_replace($res[1], strtoupper($res[1]), $replace); |
664 | } |
a4c2cd49 |
665 | $replace = quoted_printable_decode($replace); |
666 | } |
667 | |
1fd97780 |
668 | $replace = charset_decode ($res[1], $replace); |
a4c2cd49 |
669 | |
670 | $string = eregi_replace |
1fd97780 |
671 | ('=\?([^?]+)\?(q|b)\?([^?]+)\?=', |
a4c2cd49 |
672 | $replace, $string); |
2e434774 |
673 | // In case there should be more encoding in the string: recurse |
674 | return (decodeHeader($string)); |
a4c2cd49 |
675 | } else |
676 | return ($string); |
677 | } |
678 | |
c3084273 |
679 | // Encode a string according to RFC 1522 for use in headers if it |
bb60fa3f |
680 | // contains 8-bit characters or anything that looks like it should |
681 | // be encoded. |
c3084273 |
682 | function encodeHeader ($string) { |
683 | global $default_charset; |
684 | |
bb60fa3f |
685 | // Encode only if the string contains 8-bit characters or =? |
46562113 |
686 | if (ereg("([\200-\377]|=\\?)", $string)) { |
c3084273 |
687 | $newstring = "=?$default_charset?Q?"; |
c3084273 |
688 | |
bb60fa3f |
689 | // First the special characters |
690 | $string = str_replace("=", "=3D", $string); |
691 | $string = str_replace("?", "=3F", $string); |
692 | $string = str_replace("_", "=5F", $string); |
693 | $string = str_replace(" ", "_", $string); |
694 | |
b75d343f |
695 | for ( $ch = 127 ; $ch <= 255 ; $ch++ ) { |
696 | $replace = chr($ch); |
697 | $insert = sprintf("=%02X", $ch); |
bb60fa3f |
698 | $string = str_replace($replace, $insert, $string); |
b75d343f |
699 | $ch++; |
c3084273 |
700 | } |
701 | |
bb60fa3f |
702 | $newstring = "=?$default_charset?Q?".$string."?="; |
703 | |
c3084273 |
704 | return $newstring; |
705 | } |
706 | |
707 | return $string; |
708 | } |
709 | |
9f9d7d28 |
710 | ?> |