78cd27b3 |
1 | <?php |
2 | /******************************************************************************** |
3 | * include/posts.inc.php : class for posts |
4 | * ----------------------- |
5 | * |
6 | * This file is part of the banana distribution |
7 | * Copyright: See COPYING files that comes with this distribution |
8 | ********************************************************************************/ |
9 | |
10 | /** class for posts |
11 | */ |
12 | |
13 | class BananaPost |
14 | { |
15 | var $id; |
16 | /** headers */ |
17 | var $headers; |
18 | /** body */ |
19 | var $body; |
1f75b135 |
20 | /** formating */ |
21 | var $messages; |
7a0e2710 |
22 | /** attachment */ |
23 | var $pj; |
78cd27b3 |
24 | /** poster name */ |
25 | var $name; |
856dc84a |
26 | /** test validity */ |
27 | var $valid = true; |
78cd27b3 |
28 | |
29 | /** constructor |
30 | * @param $_id STRING MSGNUM or MSGID (a group should be selected in this case) |
31 | */ |
32 | function BananaPost($_id) |
33 | { |
34 | global $banana; |
1f75b135 |
35 | $this->id = $_id; |
36 | $this->pj = array(); |
37 | $this->messages = array(); |
50cd076e |
38 | if (!$this->_header()) { |
856dc84a |
39 | $this->valid = false; |
50cd076e |
40 | return null; |
41 | } |
42 | |
78cd27b3 |
43 | |
44 | if ($body = $banana->nntp->body($_id)) { |
45 | $this->body = join("\n", $body); |
46 | } else { |
856dc84a |
47 | $this->valid = false; |
50cd076e |
48 | return null; |
78cd27b3 |
49 | } |
50 | |
51 | if (isset($this->headers['content-transfer-encoding'])) { |
52 | if (preg_match("/base64/", $this->headers['content-transfer-encoding'])) { |
53 | $this->body = base64_decode($this->body); |
54 | } elseif (preg_match("/quoted-printable/", $this->headers['content-transfer-encoding'])) { |
55 | $this->body = quoted_printable_decode($this->body); |
56 | } |
57 | } |
58 | |
a7cb2f0d |
59 | if ($this->_split_multipart($this->headers, $this->body)) { |
60 | $this->set_body_to_part(0); |
c24c62e7 |
61 | } else { |
62 | if(isset($mpart_type)) { |
63 | $this->_split_multipart($mpart_type[1], $mpart_boundary[1]); |
64 | } |
c3f19b42 |
65 | $this->_find_uuencode(); |
05074d42 |
66 | $this->_fix_charset(); |
78cd27b3 |
67 | } |
68 | } |
69 | |
c3f19b42 |
70 | /** find and add uuencoded attachments |
71 | */ |
72 | function _find_uuencode() |
73 | { |
74 | if (preg_match_all('@\n(begin \d+ ([^\r\n]+)\r?(?:\n(?!end)[^\n]*)*\nend)@', $this->body, $matches, PREG_SET_ORDER)) { |
75 | foreach ($matches as $match) { |
76 | $mime = trim(exec('echo '.escapeshellarg($match[1]).' | uudecode -o /dev/stdout | file -bi -')); |
77 | if ($mime != 'application/x-empty') { |
f12fdb59 |
78 | $this->body = trim(str_replace($match[0], '', $this->body)); |
c3f19b42 |
79 | $body = $match[1]; |
80 | $header['content-type'] = $mime.'; name="'.$match[2].'"'; |
81 | $header['content-transfer-encoding'] = 'x-uuencode'; |
82 | $header['content-disposition'] = 'attachment; filename="'.$match[2].'"'; |
83 | $this->_add_attachment(Array('headers' => $header, 'body' => $body)); |
84 | } |
85 | } |
86 | } |
87 | } |
88 | |
7a0e2710 |
89 | /** split multipart messages |
90 | * @param $type STRING multipart type description |
91 | * @param $boundary STRING multipart boundary identification string |
92 | */ |
a7cb2f0d |
93 | function _split_multipart($headers, $body) |
7a0e2710 |
94 | { |
75c9bae4 |
95 | if (!isset($headers['content-type']) |
96 | || !preg_match("@multipart/([^;]+);@", $headers['content-type'], $type)) { |
a7cb2f0d |
97 | return false; |
98 | } |
99 | |
100 | preg_match("/boundary=\"?([^ \"]+)\"?/", $headers['content-type'], $boundary); |
101 | $boundary = $boundary[1]; |
102 | $type = $type[1]; |
103 | $parts = preg_split("@\n--$boundary(--|\n)@", $body); |
7a0e2710 |
104 | foreach ($parts as $part) { |
a7cb2f0d |
105 | $part = $this->_get_part($part); |
7a0e2710 |
106 | $local_header = $part['headers']; |
a7cb2f0d |
107 | $local_body = $part['body']; |
108 | if (!$this->_split_multipart($local_header, $local_body)) { |
28ab52c0 |
109 | $is_text = isset($local_header['content-type']) |
110 | && preg_match("@text/([^;]+);@", $local_header['content-type']) |
111 | && (!isset($local_header['content-disposition']) |
112 | || !preg_match('@attachment@', $local_header['content-disposition'])); |
a7cb2f0d |
113 | |
114 | // alternative ==> multiple formats for messages |
115 | if ($type == 'alternative' && $is_text) { |
116 | array_push($this->messages, $part); |
117 | |
118 | // !alternative ==> une body, others are attachments |
119 | } else if ($is_text) { |
120 | if (count($this->messages) == 0) { |
121 | $this->body = $local_body; |
122 | foreach (array_keys($local_header) as $key) { |
123 | $this->header[$key] = $local_header[$key]; |
124 | } |
125 | array_push($this->messages, $part); |
126 | } else { |
127 | $this->_add_attachment($part); |
128 | } |
129 | } else { |
130 | $this->_add_attachment($part); |
131 | } |
cc43419f |
132 | } |
a529ea7b |
133 | } |
a7cb2f0d |
134 | return true; |
7a0e2710 |
135 | } |
136 | |
137 | /** extract new headers from the part |
138 | * @param $part STRING part of a multipart message |
139 | */ |
a529ea7b |
140 | function _get_part($part) |
1f75b135 |
141 | { |
7a0e2710 |
142 | global $banana; |
143 | |
75c9bae4 |
144 | $local_headers = Array(); |
7a0e2710 |
145 | $lines = split("\n", $part); |
146 | while (count($lines)) { |
147 | $line = array_shift($lines); |
148 | if ($line != "") { |
a7cb2f0d |
149 | if (preg_match('@^[\t\r ]+@', $line) && isset($hdr)) { |
150 | $local_headers[$hdr] .= ' '.trim($line); |
151 | } else { |
152 | list($hdr, $val) = split(":[ \t\r]*", $line, 2); |
153 | $hdr = strtolower($hdr); |
154 | if (in_array($hdr, $banana->parse_hdr)) { |
155 | $local_headers[$hdr] = $val; |
156 | } |
7a0e2710 |
157 | } |
158 | } else { |
159 | break; |
160 | } |
161 | } |
16b17ba5 |
162 | $local_body = join("\n", $lines); |
75c9bae4 |
163 | if (isset($local_headers['content-transfer-encoding']) |
164 | && preg_match("/quoted-printable/", $local_headers['content-transfer-encoding'])) { |
16b17ba5 |
165 | $local_body = quoted_printable_decode($local_body); |
166 | } |
167 | return Array('headers' => $local_headers, 'body' => $local_body); |
7a0e2710 |
168 | } |
169 | |
1f75b135 |
170 | /** add an attachment |
171 | */ |
a529ea7b |
172 | function _add_attachment($part) |
1f75b135 |
173 | { |
7a0e2710 |
174 | $local_header = $part['headers']; |
175 | $local_body = $part['body']; |
176 | |
28ab52c0 |
177 | if ((isset($local_header['content-disposition']) && preg_match('/filename="?([^"]+)"?/', $local_header['content-disposition'], $filename)) |
178 | || (isset($local_header['content-type']) && preg_match('/name="?([^"]+)"?/', $local_header['content-type'], $filename))) { |
a7cb2f0d |
179 | $filename = $filename[1]; |
180 | } |
7a0e2710 |
181 | if (!isset($filename)) { |
75c9bae4 |
182 | $filename = "attachment" . count($this->pj); |
7a0e2710 |
183 | } |
184 | |
28ab52c0 |
185 | if (isset($local_header['content-type']) |
186 | && preg_match('/^\s*([^ ;]+);/', $local_header['content-type'], $mimetype)) { |
187 | $mimetype = $mimetype[1]; |
188 | } else { |
1f75b135 |
189 | return false; |
7a0e2710 |
190 | } |
191 | |
28ab52c0 |
192 | if (isset($local_header['content-id']) |
193 | && preg_match('/^\s*<([^> ]+)>/', $local_header['content-id'], $cid)) { |
194 | $cid = $cid[1]; |
195 | } else { |
196 | $cid = null; |
197 | } |
198 | |
7a0e2710 |
199 | array_push($this->pj, Array('MIME' => $mimetype, |
200 | 'filename' => $filename, |
201 | 'encoding' => strtolower($local_header['content-transfer-encoding']), |
28ab52c0 |
202 | 'data' => $local_body, |
203 | 'cid' => $cid)); |
1f75b135 |
204 | return true; |
7a0e2710 |
205 | } |
206 | |
05074d42 |
207 | /** Fix body charset (convert body to utf8) |
208 | * @return false if failed |
209 | */ |
210 | function _fix_charset() |
211 | { |
09f9870c |
212 | if (isset($this->headers['content-type']) |
213 | && preg_match('!charset="?([^;"]*)"?\s*(;|$)?!', $this->headers['content-type'], $matches)) { |
05074d42 |
214 | $body = iconv($matches[1], 'utf-8', $this->body); |
215 | if (strlen($body) == 0) { |
216 | return false; |
217 | } |
218 | $this->body = $body; |
219 | } else { |
220 | $this->body = utf8_encode($this->body); |
221 | } |
222 | return true; |
223 | } |
224 | |
a529ea7b |
225 | /** return body in plain text (useful for messages without a text/plain part) |
226 | */ |
227 | function get_body() |
228 | { |
229 | preg_match("@text/([^;]+);@", $this->headers['content-type'], $format); |
230 | if ($format[1] == 'plain') { |
231 | return $this->body; |
232 | } |
aef14768 |
233 | if ($format[1] == 'richtext') { |
234 | return htmlToPlainText(richtextToHtml($this->body)); |
235 | } else { |
236 | return htmlToPlainText($this->body); |
a529ea7b |
237 | } |
a529ea7b |
238 | } |
239 | |
28ab52c0 |
240 | /** return local url for the given cid |
241 | * @param cid STRING |
242 | */ |
243 | function find_attachment($cid) |
244 | { |
245 | global $banana; |
246 | $i = 0; |
247 | foreach ($this->pj as $pj) { |
248 | if ($pj['cid'] == $cid) { |
249 | return htmlentities(makeLink(Array('group' => $banana->state['group'], |
250 | 'artid' => $this->id, |
251 | 'pj' => $i, |
252 | 'action' => 'view'))); |
253 | } |
254 | $i++; |
255 | } |
256 | return 'cid:' . $cid;; |
257 | } |
258 | |
7a0e2710 |
259 | /** decode an attachment |
260 | * @param pjid INT id of the attachment to decode |
261 | * @param action BOOL action to execute : true=view, false=download |
262 | */ |
1f75b135 |
263 | function get_attachment($pjid, $action = false) |
264 | { |
7a0e2710 |
265 | if ($pjid >= count($this->pj)) { |
266 | return false; |
267 | } else { |
268 | $file = $this->pj[$pjid]; |
a529ea7b |
269 | header('Content-Type: '.$file['MIME'].'; name="'.$file['filename'].'"'); |
7a0e2710 |
270 | if (!$action) { |
271 | header('Content-Disposition: attachment; filename="'.$file['filename'].'"'); |
a529ea7b |
272 | } else { |
273 | header('Content-Disposition: inline; filename="'.$file['filename'].'"'); |
274 | } |
7a0e2710 |
275 | if ($file['encoding'] == 'base64') { |
276 | echo base64_decode($file['data']); |
c3f19b42 |
277 | } else if ($file['encoding'] == 'x-uuencode') { |
278 | passthru('echo '.escapeshellarg($file['data']).' | uudecode -o /dev/stdout'); |
7a0e2710 |
279 | } else { |
280 | header('Content-Transfer-Encoding: '.$file['encoding']); |
281 | echo $file['data']; |
282 | } |
283 | return true; |
284 | } |
285 | } |
286 | |
1f75b135 |
287 | /** set body to represent the given part |
288 | * @param partid INT index of the part in messages |
289 | */ |
290 | function set_body_to_part($partid) |
291 | { |
292 | global $banana; |
293 | |
294 | if (count($this->messages) == 0) { |
295 | return false; |
296 | } |
297 | |
298 | $local_header = $this->messages[$partid]['headers']; |
299 | $this->body = $this->messages[$partid]['body']; |
300 | foreach ($banana->parse_hdr as $hdr) { |
301 | if (isset($local_header[$hdr])) { |
302 | $this->headers[$hdr] = $local_header[$hdr]; |
303 | } |
304 | } |
cc43419f |
305 | |
05074d42 |
306 | $this->_fix_charset(); |
1f75b135 |
307 | return true; |
308 | } |
309 | |
78cd27b3 |
310 | function _header() |
311 | { |
312 | global $banana; |
313 | $hdrs = $banana->nntp->head($this->id); |
314 | if (!$hdrs) { |
78cd27b3 |
315 | return false; |
316 | } |
317 | |
318 | // parse headers |
319 | foreach ($hdrs as $line) { |
320 | if (preg_match("/^[\t\r ]+/", $line)) { |
321 | $line = ($hdr=="X-Face"?"":" ").ltrim($line); |
322 | if (in_array($hdr, $banana->parse_hdr)) { |
323 | $this->headers[$hdr] .= $line; |
324 | } |
325 | } else { |
326 | list($hdr, $val) = split(":[ \t\r]*", $line, 2); |
327 | $hdr = strtolower($hdr); |
328 | if (in_array($hdr, $banana->parse_hdr)) { |
329 | $this->headers[$hdr] = $val; |
330 | } |
331 | } |
332 | } |
333 | // decode headers |
334 | foreach ($banana->hdecode as $hdr) { |
335 | if (isset($this->headers[$hdr])) { |
336 | $this->headers[$hdr] = headerDecode($this->headers[$hdr]); |
337 | } |
338 | } |
339 | |
340 | $this->name = $this->headers['from']; |
341 | $this->name = preg_replace('/<[^ ]*>/', '', $this->name); |
342 | $this->name = trim($this->name); |
50cd076e |
343 | return true; |
78cd27b3 |
344 | } |
345 | |
346 | function checkcancel() |
347 | { |
348 | if (function_exists('hook_checkcancel')) { |
349 | return hook_checkcancel($this->headers); |
350 | } |
2ba32e89 |
351 | if (!isset($_SESSION)) { |
352 | return false; |
353 | } |
354 | return ($this->headers['from'] == $_SESSION['name'] . ' <' . $_SESSION['mail']. '>'); |
355 | } |
356 | |
357 | /** Make some links to browse the current newsgroup |
358 | */ |
359 | function _browser() |
360 | { |
361 | global $banana; |
362 | $ret = '<div class="banana_menu">'; |
dc12019c |
363 | $actions = Array('nextUnread' => Array('next_unread', _b_('Message non-lu suivant')), |
edfc2d84 |
364 | 'prevPost' => Array('prev', _b_('Article précédent')), |
365 | 'nextPost' => Array('next', _b_('Article suivant')), |
dc12019c |
366 | 'prevThread' => Array('prev_thread', _b_('Discussion précédente')), |
edfc2d84 |
367 | 'nextThread' => Array('next_thread', _b_('Discussion suivante'))); |
2ba32e89 |
368 | foreach ($actions as $method=>$params) { |
369 | $id = $banana->spool->$method($this->id); |
370 | if (!is_null($id)) { |
371 | $ret .= makeImgLink(Array('group' => $banana->state['group'], |
372 | 'artid' => $id), |
373 | $params[0] . '.gif', |
374 | $params[1]); |
375 | } |
376 | } |
377 | return $ret . '</div>'; |
78cd27b3 |
378 | } |
379 | |
1f75b135 |
380 | /** convert message to html |
381 | * @param partid INT id of the multipart message that must be displaid |
382 | */ |
cc43419f |
383 | function to_html($partid = -1) |
78cd27b3 |
384 | { |
385 | global $banana; |
386 | |
cc43419f |
387 | if (count($this->messages) > 1) { |
388 | if ($partid != -1) { |
389 | $this->set_body_to_part($partid); |
390 | } else { |
391 | // Select prefered text-format |
392 | foreach ($banana->body_mime as $mime) { |
393 | for ($id = 0 ; $id < count($this->messages) ; $id++) { |
394 | if (preg_match("@$mime@", $this->messages[$id]['headers']['content-type'])) { |
395 | $partid = $id; |
396 | $this->set_body_to_part($partid); |
397 | break; |
398 | } |
399 | } |
400 | if ($partid != -1) { |
401 | break; |
402 | } |
403 | } |
404 | if ($partid == -1) { |
405 | $partid = 0; |
406 | } |
407 | } |
408 | } else { |
409 | $partid = 0; |
1f75b135 |
410 | } |
411 | |
78cd27b3 |
412 | $res = '<table class="bicol banana_msg" cellpadding="0" cellspacing="0">'; |
1c8d9e47 |
413 | $res .= '<tr><th colspan="2" class="subject">' |
2ba32e89 |
414 | . $this->_browser() |
415 | . '<div class="banana_action">' |
1254696c |
416 | . makeImgLink(Array('group' => $banana->state['group'], |
2ba32e89 |
417 | 'action' => 'new'), |
418 | 'post.gif', |
4e524eb1 |
419 | _b_('Nouveau message')) . ' ' |
2ba32e89 |
420 | . makeImgLink(Array('group' => $banana->state['group'], |
421 | 'artid' => $this->id, |
422 | 'action' => 'new'), |
423 | 'reply.gif', |
edfc2d84 |
424 | _b_('Répondre')); |
2ba32e89 |
425 | if ($this->checkCancel()) { |
4e524eb1 |
426 | $res .= ' ' |
427 | . makeImgLink(Array('group' => $banana->state['group'], |
2ba32e89 |
428 | 'artid' => $this->id, |
429 | 'action' => 'cancel'), |
430 | 'cancel.gif', |
edfc2d84 |
431 | _b_('Annuler')); |
2ba32e89 |
432 | } |
433 | $res .= '</div>' |
434 | . formatDisplayHeader('subject', $this->headers['subject']) |
435 | . '</th></tr>' |
436 | . '<tr class="pair"><td class="headers"><table cellpadding="0" cellspacing="0">'; |
78cd27b3 |
437 | |
75c9bae4 |
438 | $xface = null; |
78cd27b3 |
439 | foreach ($banana->show_hdr as $hdr) { |
440 | if (isset($this->headers[$hdr])) { |
441 | $res2 = formatdisplayheader($hdr, $this->headers[$hdr]); |
ca3b1040 |
442 | if ($res2 && ($hdr != 'x-face' || !$banana->formatxface)) { |
78cd27b3 |
443 | $res .= '<tr><td class="hdr">'.header_translate($hdr)."</td><td class='val'>$res2</td></tr>\n"; |
ca3b1040 |
444 | } else if ($res2) { |
445 | $xface = $res2; |
78cd27b3 |
446 | } |
447 | } |
448 | } |
ca3b1040 |
449 | $res .= '</table></td><td class="xface">'; |
450 | |
451 | if ($xface) { |
452 | $res .= $xface; |
453 | } |
454 | $res .= '</td></tr>'; |
78cd27b3 |
455 | |
1f75b135 |
456 | if (count($this->messages) > 1) { |
1c8d9e47 |
457 | $res .= '<tr><th colspan="2">'; |
1f75b135 |
458 | for ($i = 0 ; $i < count($this->messages) ; $i++) { |
1c8d9e47 |
459 | if ($i != 0) { |
1f75b135 |
460 | $res .= ' . '; |
461 | } |
462 | preg_match("@text/([^;]+);@", $this->messages[$i]['headers']['content-type'], $format); |
463 | $format = textFormat_translate($format[1]); |
464 | if ($i != $partid) { |
8e519bd8 |
465 | $res .= makeHREF(Array('group' => $banana->state['group'], |
f6df9eb2 |
466 | 'artid' => $this->id, |
467 | 'part' => $i), |
468 | $format); |
1f75b135 |
469 | } else { |
470 | $res .= $format; |
471 | } |
472 | } |
1c8d9e47 |
473 | $res .= '</th></tr>'; |
1f75b135 |
474 | } |
1f75b135 |
475 | |
09f9870c |
476 | if (isset($this->headers['content-type']) |
477 | && preg_match("@text/([^;]+);@", $this->headers['content-type'], $format)) { |
478 | $format = $format[1]; |
479 | } else { |
480 | $format = 'plain'; |
481 | } |
8155c0a5 |
482 | $res .= '<tr class="impair"><td colspan="2" class="body"'; |
1f75b135 |
483 | if ($format == 'html') { |
4cc80c9a |
484 | if (preg_match('@<body[^>]*bgcolor="?([#0-9a-f]+)"?[^>]*>@i', $this->body, $bgcolor)) { |
485 | $res .= ' bgcolor="'.$bgcolor[1].'"'; |
486 | } |
28ab52c0 |
487 | $this->body = preg_replace('/cid:([^\'" ]+)/e', "find_attachment('\\1')", $this->body); |
4cc80c9a |
488 | $res .= '>'.formatbody($this->body, $format); |
1f75b135 |
489 | } else { |
4cc80c9a |
490 | $res .= '><pre>'.formatbody($this->body).'</pre>'; |
1f75b135 |
491 | } |
492 | $res .= '</td></tr>'; |
7a0e2710 |
493 | |
494 | if (count($this->pj) > 0) { |
495 | $res .= '<tr><th colspan="2">'._b_('Pièces jointes').'</th></tr>'; |
496 | $res .= '<tr><td colspan="2">'; |
497 | $i = 0; |
498 | foreach ($this->pj as $file) { |
da6dc0c8 |
499 | $res .= makeImgLink(Array('group' => $banana->state['group'], |
500 | 'artid' => $this->id, |
501 | 'pj' => $i), |
502 | 'save.gif', |
503 | _b_('Télécharger')) . ' '; |
504 | $res .= makeImgLink(Array('group' => $banana->state['group'], |
505 | 'artid' => $this->id, |
506 | 'pj' => $i, |
507 | 'action'=> 'view'), |
508 | 'preview.gif', |
509 | _b_('Aperçu')); |
510 | $res .= ' ' . $file['filename'].' ('.$file['MIME'].')'; |
7a0e2710 |
511 | $res .= '<br/>'; |
512 | $i++; |
513 | } |
514 | $res .= '</td></tr>'; |
515 | } |
78cd27b3 |
516 | |
78cd27b3 |
517 | $ndx = $banana->spool->getndx($this->id); |
e230b41a |
518 | $res .= '<tr><td class="thrd" colspan="2">' |
519 | . $banana->spool->to_html($ndx-$banana->tbefore, $ndx+$banana->tafter, $ndx) |
520 | . '</td></tr>'; |
78cd27b3 |
521 | return $res.'</table>'; |
522 | } |
523 | } |
524 | |
28ab52c0 |
525 | /** Wrapper for Post::find_attachment |
526 | */ |
527 | function find_attachment($cid) |
528 | { |
529 | global $banana; |
530 | return $banana->post->find_attachment($cid); |
531 | } |
532 | |
f6df9eb2 |
533 | // vim:set et sw=4 sts=4 ts=4 |
78cd27b3 |
534 | ?> |