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1 | <?php |
2 | |
3 | /** |
4 | * Rfc822Header.class.php |
5 | * |
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6 | * This file contains functions needed to handle headers in mime messages. |
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7 | * |
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8 | * @copyright © 2003-2007 The SquirrelMail Project Team |
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9 | * @license http://opensource.org/licenses/gpl-license.php GNU Public License |
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10 | * @version $Id$ |
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11 | * @package squirrelmail |
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12 | * @subpackage mime |
13 | * @since 1.3.2 |
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14 | */ |
15 | |
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16 | /** |
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17 | * MIME header class |
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18 | * input: header_string or array |
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19 | * You must call parseHeader() function after creating object in order to fill object's |
20 | * parameters. |
21 | * @todo FIXME: there is no constructor function and class should ignore all input args. |
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22 | * @package squirrelmail |
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23 | * @subpackage mime |
24 | * @since 1.3.0 |
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25 | */ |
26 | class Rfc822Header { |
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27 | /** |
28 | * Date header |
29 | * @var mixed |
30 | */ |
31 | var $date = -1; |
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32 | /** |
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33 | * Original date header as fallback for unparsable dates |
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34 | * @var mixed |
35 | */ |
36 | var $date_unparsed = ''; |
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37 | /** |
38 | * Subject header |
39 | * @var string |
40 | */ |
41 | var $subject = ''; |
42 | /** |
43 | * From header |
44 | * @var array |
45 | */ |
46 | var $from = array(); |
47 | /** |
48 | * @var mixed |
49 | */ |
50 | var $sender = ''; |
51 | /** |
52 | * Reply-To header |
53 | * @var array |
54 | */ |
55 | var $reply_to = array(); |
56 | /** |
57 | * Mail-Followup-To header |
58 | * @var array |
59 | */ |
60 | var $mail_followup_to = array(); |
61 | /** |
62 | * To header |
63 | * @var array |
64 | */ |
65 | var $to = array(); |
66 | /** |
67 | * Cc header |
68 | * @var array |
69 | */ |
70 | var $cc = array(); |
71 | /** |
72 | * Bcc header |
73 | * @var array |
74 | */ |
75 | var $bcc = array(); |
76 | /** |
77 | * In-reply-to header |
78 | * @var string |
79 | */ |
80 | var $in_reply_to = ''; |
81 | /** |
82 | * Message-ID header |
83 | * @var string |
84 | */ |
85 | var $message_id = ''; |
86 | /** |
87 | * References header |
88 | * @var string |
89 | */ |
90 | var $references = ''; |
91 | /** |
92 | * @var mixed |
93 | */ |
94 | var $mime = false; |
95 | /** |
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96 | * Content Type object |
97 | * @var object |
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98 | */ |
99 | var $content_type = ''; |
100 | /** |
101 | * @var mixed |
102 | */ |
103 | var $disposition = ''; |
104 | /** |
105 | * X-Mailer header |
106 | * @var string |
107 | */ |
108 | var $xmailer = ''; |
109 | /** |
110 | * Priority header |
111 | * @var integer |
112 | */ |
113 | var $priority = 3; |
114 | /** |
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115 | * Disposition notification for requesting message delivery notification (MDN) |
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116 | * @var mixed |
117 | */ |
118 | var $dnt = ''; |
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119 | /** |
120 | * Delivery notification (DR) |
121 | * @var mixed |
122 | */ |
123 | var $drnt = ''; |
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124 | /** |
125 | * @var mixed |
126 | */ |
127 | var $encoding = ''; |
128 | /** |
129 | * @var mixed |
130 | */ |
131 | var $content_id = ''; |
132 | /** |
133 | * @var mixed |
134 | */ |
135 | var $content_desc = ''; |
136 | /** |
137 | * @var mixed |
138 | */ |
139 | var $mlist = array(); |
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140 | /** |
141 | * SpamAssassin 'x-spam-status' header |
142 | * @var mixed |
143 | */ |
144 | var $x_spam_status = array(); |
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145 | /** |
146 | * Extra header |
147 | * only needed for constructing headers in delivery class |
148 | * @var array |
149 | */ |
150 | var $more_headers = array(); |
151 | |
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152 | /** |
153 | * @param mixed $hdr string or array with message headers |
154 | */ |
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155 | function parseHeader($hdr) { |
156 | if (is_array($hdr)) { |
157 | $hdr = implode('', $hdr); |
158 | } |
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159 | /* First we replace \r\n by \n and unfold the header */ |
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160 | /* FIXME: unfolding header with multiple spaces "\n( +)" */ |
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161 | $hdr = trim(str_replace(array("\r\n", "\n\t", "\n "),array("\n", ' ', ' '), $hdr)); |
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162 | |
163 | /* Now we can make a new header array with */ |
164 | /* each element representing a headerline */ |
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165 | $hdr = explode("\n" , $hdr); |
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166 | foreach ($hdr as $line) { |
167 | $pos = strpos($line, ':'); |
168 | if ($pos > 0) { |
169 | $field = substr($line, 0, $pos); |
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170 | if (!strstr($field,' ')) { /* valid field */ |
171 | $value = trim(substr($line, $pos+1)); |
172 | $this->parseField($field, $value); |
173 | } |
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174 | } |
175 | } |
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176 | if (!is_object($this->content_type)) { |
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177 | $this->parseContentType('text/plain; charset=us-ascii'); |
178 | } |
179 | } |
180 | |
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181 | /** |
182 | * @param string $value |
183 | * @return string |
184 | */ |
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185 | function stripComments($value) { |
186 | $result = ''; |
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187 | $cnt = strlen($value); |
188 | for ($i = 0; $i < $cnt; ++$i) { |
189 | switch ($value{$i}) { |
190 | case '"': |
191 | $result .= '"'; |
192 | while ((++$i < $cnt) && ($value{$i} != '"')) { |
193 | if ($value{$i} == '\\') { |
194 | $result .= '\\'; |
195 | ++$i; |
196 | } |
197 | $result .= $value{$i}; |
198 | } |
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199 | if($i < $cnt) { |
200 | $result .= $value{$i}; |
201 | } |
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202 | break; |
203 | case '(': |
204 | $depth = 1; |
205 | while (($depth > 0) && (++$i < $cnt)) { |
206 | switch($value{$i}) { |
207 | case '\\': |
208 | ++$i; |
209 | break; |
210 | case '(': |
211 | ++$depth; |
212 | break; |
213 | case ')': |
214 | --$depth; |
215 | break; |
216 | default: |
217 | break; |
218 | } |
219 | } |
220 | break; |
221 | default: |
222 | $result .= $value{$i}; |
223 | break; |
224 | } |
225 | } |
226 | return $result; |
227 | } |
228 | |
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229 | /** |
230 | * Parse header field according to field type |
231 | * @param string $field field name |
232 | * @param string $value field value |
233 | */ |
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234 | function parseField($field, $value) { |
235 | $field = strtolower($field); |
236 | switch($field) { |
237 | case 'date': |
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238 | $value = $this->stripComments($value); |
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239 | $d = strtr($value, array(' ' => ' ')); |
240 | $d = explode(' ', $d); |
241 | $this->date = getTimeStamp($d); |
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242 | $this->date_unparsed = strtr($value,'<>',' '); |
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243 | break; |
244 | case 'subject': |
245 | $this->subject = $value; |
246 | break; |
247 | case 'from': |
248 | $this->from = $this->parseAddress($value,true); |
249 | break; |
250 | case 'sender': |
251 | $this->sender = $this->parseAddress($value); |
252 | break; |
253 | case 'reply-to': |
254 | $this->reply_to = $this->parseAddress($value, true); |
255 | break; |
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256 | case 'mail-followup-to': |
257 | $this->mail_followup_to = $this->parseAddress($value, true); |
258 | break; |
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259 | case 'to': |
260 | $this->to = $this->parseAddress($value, true); |
261 | break; |
262 | case 'cc': |
263 | $this->cc = $this->parseAddress($value, true); |
264 | break; |
265 | case 'bcc': |
266 | $this->bcc = $this->parseAddress($value, true); |
267 | break; |
268 | case 'in-reply-to': |
269 | $this->in_reply_to = $value; |
270 | break; |
271 | case 'message-id': |
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272 | $value = $this->stripComments($value); |
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273 | $this->message_id = $value; |
274 | break; |
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275 | case 'references': |
276 | $value = $this->stripComments($value); |
277 | $this->references = $value; |
278 | break; |
279 | case 'x-confirm-reading-to': |
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280 | case 'disposition-notification-to': |
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281 | $value = $this->stripComments($value); |
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282 | $this->dnt = $this->parseAddress($value); |
283 | break; |
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284 | case 'return-receipt-to': |
285 | $value = $this->stripComments($value); |
286 | $this->drnt = $this->parseAddress($value); |
287 | break; |
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288 | case 'mime-version': |
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289 | $value = $this->stripComments($value); |
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290 | $value = str_replace(' ', '', $value); |
291 | $this->mime = ($value == '1.0' ? true : $this->mime); |
292 | break; |
293 | case 'content-type': |
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294 | $value = $this->stripComments($value); |
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295 | $this->parseContentType($value); |
296 | break; |
297 | case 'content-disposition': |
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298 | $value = $this->stripComments($value); |
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299 | $this->parseDisposition($value); |
300 | break; |
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301 | case 'content-transfer-encoding': |
302 | $this->encoding = $value; |
303 | break; |
304 | case 'content-description': |
305 | $this->content_desc = $value; |
306 | break; |
307 | case 'content-id': |
308 | $value = $this->stripComments($value); |
309 | $this->content_id = $value; |
310 | break; |
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311 | case 'user-agent': |
312 | case 'x-mailer': |
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313 | $this->xmailer = $value; |
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314 | break; |
315 | case 'x-priority': |
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316 | case 'importance': |
317 | case 'priority': |
318 | $this->priority = $this->parsePriority($value); |
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319 | break; |
320 | case 'list-post': |
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321 | $value = $this->stripComments($value); |
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322 | $this->mlist('post', $value); |
323 | break; |
324 | case 'list-reply': |
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325 | $value = $this->stripComments($value); |
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326 | $this->mlist('reply', $value); |
327 | break; |
328 | case 'list-subscribe': |
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329 | $value = $this->stripComments($value); |
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330 | $this->mlist('subscribe', $value); |
331 | break; |
332 | case 'list-unsubscribe': |
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333 | $value = $this->stripComments($value); |
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334 | $this->mlist('unsubscribe', $value); |
335 | break; |
336 | case 'list-archive': |
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337 | $value = $this->stripComments($value); |
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338 | $this->mlist('archive', $value); |
339 | break; |
340 | case 'list-owner': |
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341 | $value = $this->stripComments($value); |
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342 | $this->mlist('owner', $value); |
343 | break; |
344 | case 'list-help': |
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345 | $value = $this->stripComments($value); |
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346 | $this->mlist('help', $value); |
347 | break; |
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348 | case 'list-id': |
349 | $value = $this->stripComments($value); |
350 | $this->mlist('id', $value); |
351 | break; |
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352 | case 'x-spam-status': |
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353 | $this->x_spam_status = $this->parseSpamStatus($value); |
354 | break; |
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355 | default: |
356 | break; |
357 | } |
358 | } |
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359 | |
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360 | /** |
361 | * @param string $address |
362 | * @return array |
363 | */ |
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364 | function getAddressTokens($address) { |
365 | $aTokens = array(); |
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366 | $aSpecials = array('(' ,'<' ,',' ,';' ,':'); |
367 | $aReplace = array(' (',' <',' ,',' ;',' :'); |
368 | $address = str_replace($aSpecials,$aReplace,$address); |
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369 | $iCnt = strlen($address); |
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370 | $i = 0; |
371 | while ($i < $iCnt) { |
372 | $cChar = $address{$i}; |
373 | switch($cChar) |
374 | { |
375 | case '<': |
376 | $iEnd = strpos($address,'>',$i+1); |
377 | if (!$iEnd) { |
378 | $sToken = substr($address,$i); |
379 | $i = $iCnt; |
380 | } else { |
381 | $sToken = substr($address,$i,$iEnd - $i +1); |
382 | $i = $iEnd; |
383 | } |
384 | $sToken = str_replace($aReplace, $aSpecials,$sToken); |
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385 | if ($sToken) $aTokens[] = $sToken; |
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386 | break; |
387 | case '"': |
388 | $iEnd = strpos($address,$cChar,$i+1); |
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389 | if ($iEnd) { |
390 | // skip escaped quotes |
391 | $prev_char = $address{$iEnd-1}; |
392 | while ($prev_char === '\\' && substr($address,$iEnd-2,2) !== '\\\\') { |
393 | $iEnd = strpos($address,$cChar,$iEnd+1); |
394 | if ($iEnd) { |
395 | $prev_char = $address{$iEnd-1}; |
396 | } else { |
397 | $prev_char = false; |
398 | } |
399 | } |
400 | } |
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401 | if (!$iEnd) { |
402 | $sToken = substr($address,$i); |
403 | $i = $iCnt; |
404 | } else { |
405 | // also remove the surrounding quotes |
406 | $sToken = substr($address,$i+1,$iEnd - $i -1); |
407 | $i = $iEnd; |
408 | } |
409 | $sToken = str_replace($aReplace, $aSpecials,$sToken); |
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410 | if ($sToken) $aTokens[] = $sToken; |
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411 | break; |
412 | case '(': |
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413 | array_pop($aTokens); //remove inserted space |
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414 | $iEnd = strpos($address,')',$i); |
415 | if (!$iEnd) { |
416 | $sToken = substr($address,$i); |
417 | $i = $iCnt; |
418 | } else { |
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419 | $iDepth = 1; |
420 | $iComment = $i; |
421 | while (($iDepth > 0) && (++$iComment < $iCnt)) { |
422 | $cCharComment = $address{$iComment}; |
423 | switch($cCharComment) { |
424 | case '\\': |
425 | ++$iComment; |
426 | break; |
427 | case '(': |
428 | ++$iDepth; |
429 | break; |
430 | case ')': |
431 | --$iDepth; |
432 | break; |
433 | default: |
434 | break; |
435 | } |
436 | } |
437 | if ($iDepth == 0) { |
438 | $sToken = substr($address,$i,$iComment - $i +1); |
439 | $i = $iComment; |
440 | } else { |
441 | $sToken = substr($address,$i,$iEnd - $i + 1); |
442 | $i = $iEnd; |
443 | } |
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444 | } |
0b4d4be7 |
445 | // check the next token in case comments appear in the middle of email addresses |
446 | $prevToken = end($aTokens); |
447 | if (!in_array($prevToken,$aSpecials,true)) { |
43c0e295 |
448 | if ($i+1<strlen($address) && !in_array($address{$i+1},$aSpecials,true)) { |
0b4d4be7 |
449 | $iEnd = strpos($address,' ',$i+1); |
450 | if ($iEnd) { |
451 | $sNextToken = trim(substr($address,$i+1,$iEnd - $i -1)); |
452 | $i = $iEnd-1; |
453 | } else { |
a5ae4bc8 |
454 | $sNextToken = trim(substr($address,$i+1)); |
0b4d4be7 |
455 | $i = $iCnt; |
456 | } |
457 | // remove the token |
458 | array_pop($aTokens); |
459 | // create token and add it again |
460 | $sNewToken = $prevToken . $sNextToken; |
1f0269d6 |
461 | if($sNewToken) $aTokens[] = $sNewToken; |
0b4d4be7 |
462 | } |
463 | } |
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464 | $sToken = str_replace($aReplace, $aSpecials,$sToken); |
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465 | if ($sToken) $aTokens[] = $sToken; |
14882b16 |
466 | break; |
467 | case ',': |
0b4d4be7 |
468 | case ':': |
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469 | case ';': |
470 | case ' ': |
471 | $aTokens[] = $cChar; |
472 | break; |
473 | default: |
474 | $iEnd = strpos($address,' ',$i+1); |
475 | if ($iEnd) { |
476 | $sToken = trim(substr($address,$i,$iEnd - $i)); |
477 | $i = $iEnd-1; |
478 | } else { |
479 | $sToken = trim(substr($address,$i)); |
480 | $i = $iCnt; |
481 | } |
482 | if ($sToken) $aTokens[] = $sToken; |
483 | } |
484 | ++$i; |
485 | } |
486 | return $aTokens; |
487 | } |
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488 | |
489 | /** |
490 | * @param array $aStack |
491 | * @param array $aComment |
492 | * @param string $sEmail |
493 | * @param string $sGroup |
494 | * @return object AddressStructure object |
495 | */ |
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496 | function createAddressObject(&$aStack,&$aComment,&$sEmail,$sGroup='') { |
0b4d4be7 |
497 | //$aStack=explode(' ',implode('',$aStack)); |
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498 | if (!$sEmail) { |
499 | while (count($aStack) && !$sEmail) { |
500 | $sEmail = trim(array_pop($aStack)); |
501 | } |
502 | } |
503 | if (count($aStack)) { |
504 | $sPersonal = trim(implode('',$aStack)); |
cfebb724 |
505 | } else { |
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506 | $sPersonal = ''; |
507 | } |
508 | if (!$sPersonal && count($aComment)) { |
509 | $sComment = trim(implode(' ',$aComment)); |
510 | $sPersonal .= $sComment; |
511 | } |
512 | $oAddr =& new AddressStructure(); |
513 | if ($sPersonal && substr($sPersonal,0,2) == '=?') { |
514 | $oAddr->personal = encodeHeader($sPersonal); |
515 | } else { |
516 | $oAddr->personal = $sPersonal; |
517 | } |
0b4d4be7 |
518 | // $oAddr->group = $sGroup; |
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519 | $iPosAt = strpos($sEmail,'@'); |
520 | if ($iPosAt) { |
521 | $oAddr->mailbox = substr($sEmail, 0, $iPosAt); |
522 | $oAddr->host = substr($sEmail, $iPosAt+1); |
523 | } else { |
524 | $oAddr->mailbox = $sEmail; |
525 | $oAddr->host = false; |
526 | } |
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527 | $sEmail = ''; |
528 | $aStack = $aComment = array(); |
529 | return $oAddr; |
530 | } |
531 | |
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532 | /** |
533 | * recursive function for parsing address strings and storing them in an address stucture object. |
340d67c2 |
534 | * personal name: encoded: =?charset?Q|B?string?= |
535 | * quoted: "string" |
536 | * normal: string |
537 | * email : <mailbox@host> |
538 | * : mailbox@host |
539 | * This function is also used for validating addresses returned from compose |
14882b16 |
540 | * That's also the reason that the function became a little bit huge |
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541 | * @param string $address |
542 | * @param boolean $ar return array instead of only the first element |
543 | * @param array $addr_ar (obsolete) array with parsed addresses |
544 | * @param string $group (obsolete) |
545 | * @param string $host default domainname in case of addresses without a domainname |
546 | * @param string $lookup (since) callback function for lookup of address strings which are probably nicks (without @) |
547 | * @return mixed array with AddressStructure objects or only one address_structure object. |
e74ba378 |
548 | */ |
14882b16 |
549 | function parseAddress($address,$ar=false,$aAddress=array(),$sGroup='',$sHost='',$lookup=false) { |
550 | $aTokens = $this->getAddressTokens($address); |
8d8da447 |
551 | $sPersonal = $sEmail = $sGroup = ''; |
14882b16 |
552 | $aStack = $aComment = array(); |
553 | foreach ($aTokens as $sToken) { |
554 | $cChar = $sToken{0}; |
555 | switch ($cChar) |
340d67c2 |
556 | { |
557 | case '=': |
14882b16 |
558 | case '"': |
559 | case ' ': |
cfebb724 |
560 | $aStack[] = $sToken; |
340d67c2 |
561 | break; |
14882b16 |
562 | case '(': |
563 | $aComment[] = substr($sToken,1,-1); |
340d67c2 |
564 | break; |
3fcadedb |
565 | case ';': |
14882b16 |
566 | if ($sGroup) { |
29f842a4 |
567 | $aAddress[] = $this->createAddressObject($aStack,$aComment,$sEmail,$sGroup); |
14882b16 |
568 | $oAddr = end($aAddress); |
0b4d4be7 |
569 | if(!$oAddr || ((isset($oAddr)) && !$oAddr->mailbox && !$oAddr->personal)) { |
570 | $sEmail = $sGroup . ':;'; |
cfebb724 |
571 | } |
0b4d4be7 |
572 | $aAddress[] = $this->createAddressObject($aStack,$aComment,$sEmail,$sGroup); |
14882b16 |
573 | $sGroup = ''; |
574 | $aStack = $aComment = array(); |
575 | break; |
340d67c2 |
576 | } |
14882b16 |
577 | case ',': |
578 | $aAddress[] = $this->createAddressObject($aStack,$aComment,$sEmail,$sGroup); |
579 | break; |
cfebb724 |
580 | case ':': |
29f842a4 |
581 | $sGroup = trim(implode(' ',$aStack)); |
0b4d4be7 |
582 | $sGroup = preg_replace('/\s+/',' ',$sGroup); |
14882b16 |
583 | $aStack = array(); |
584 | break; |
585 | case '<': |
586 | $sEmail = trim(substr($sToken,1,-1)); |
587 | break; |
588 | case '>': |
589 | /* skip */ |
cfebb724 |
590 | break; |
14882b16 |
591 | default: $aStack[] = $sToken; break; |
19d470aa |
592 | } |
593 | } |
14882b16 |
594 | /* now do the action again for the last address */ |
595 | $aAddress[] = $this->createAddressObject($aStack,$aComment,$sEmail); |
596 | /* try to lookup the addresses in case of invalid email addresses */ |
597 | $aProcessedAddress = array(); |
598 | foreach ($aAddress as $oAddr) { |
599 | $aAddrBookAddress = array(); |
600 | if (!$oAddr->host) { |
601 | $grouplookup = false; |
340d67c2 |
602 | if ($lookup) { |
14882b16 |
603 | $aAddr = call_user_func_array($lookup,array($oAddr->mailbox)); |
604 | if (isset($aAddr['email'])) { |
605 | if (strpos($aAddr['email'],',')) { |
606 | $grouplookup = true; |
607 | $aAddrBookAddress = $this->parseAddress($aAddr['email'],true); |
608 | } else { |
609 | $iPosAt = strpos($aAddr['email'], '@'); |
610 | $oAddr->mailbox = substr($aAddr['email'], 0, $iPosAt); |
611 | $oAddr->host = substr($aAddr['email'], $iPosAt+1); |
612 | if (isset($aAddr['name'])) { |
613 | $oAddr->personal = $aAddr['name']; |
614 | } else { |
615 | $oAddr->personal = encodeHeader($sPersonal); |
616 | } |
617 | } |
618 | } |
340d67c2 |
619 | } |
14882b16 |
620 | if (!$grouplookup && !$oAddr->mailbox) { |
621 | $oAddr->mailbox = trim($sEmail); |
622 | if ($sHost && $oAddr->mailbox) { |
623 | $oAddr->host = $sHost; |
340d67c2 |
624 | } |
8b53b4ba |
625 | } else if (!$grouplookup && !$oAddr->host) { |
626 | if ($sHost && $oAddr->mailbox) { |
627 | $oAddr->host = $sHost; |
628 | } |
cfebb724 |
629 | } |
14882b16 |
630 | } |
631 | if (!$aAddrBookAddress && $oAddr->mailbox) { |
632 | $aProcessedAddress[] = $oAddr; |
633 | } else { |
cfebb724 |
634 | $aProcessedAddress = array_merge($aProcessedAddress,$aAddrBookAddress); |
14882b16 |
635 | } |
340d67c2 |
636 | } |
cfebb724 |
637 | if ($ar) { |
14882b16 |
638 | return $aProcessedAddress; |
19d470aa |
639 | } else { |
14882b16 |
640 | return $aProcessedAddress[0]; |
19d470aa |
641 | } |
cfebb724 |
642 | } |
19d470aa |
643 | |
bddb3448 |
644 | /** |
645 | * Normalise the different Priority headers into a uniform value, |
646 | * namely that of the X-Priority header (1, 3, 5). Supports: |
0f459286 |
647 | * Priority, X-Priority, Importance. |
bddb3448 |
648 | * X-MS-Mail-Priority is not parsed because it always coincides |
649 | * with one of the other headers. |
650 | * |
651 | * NOTE: this is actually a duplicate from the function in |
652 | * functions/imap_messages. I'm not sure if it's ok here to call |
653 | * that function? |
ba17b6c7 |
654 | * @param string $sValue literal priority name |
0f459286 |
655 | * @return integer |
bddb3448 |
656 | */ |
ba17b6c7 |
657 | function parsePriority($sValue) { |
658 | // don't use function call inside array_shift. |
659 | $aValue = split('/\w/',trim($sValue)); |
660 | $value = strtolower(array_shift($aValue)); |
661 | |
bddb3448 |
662 | if ( is_numeric($value) ) { |
663 | return $value; |
664 | } |
665 | if ( $value == 'urgent' || $value == 'high' ) { |
666 | return 1; |
667 | } elseif ( $value == 'non-urgent' || $value == 'low' ) { |
668 | return 5; |
669 | } |
670 | // default is normal priority |
671 | return 3; |
672 | } |
673 | |
0f459286 |
674 | /** |
675 | * @param string $value content type header |
676 | */ |
19d470aa |
677 | function parseContentType($value) { |
678 | $pos = strpos($value, ';'); |
679 | $props = ''; |
680 | if ($pos > 0) { |
681 | $type = trim(substr($value, 0, $pos)); |
38d6fba7 |
682 | $props = trim(substr($value, $pos+1)); |
19d470aa |
683 | } else { |
684 | $type = $value; |
685 | } |
686 | $content_type = new ContentType($type); |
687 | if ($props) { |
688 | $properties = $this->parseProperties($props); |
689 | if (!isset($properties['charset'])) { |
690 | $properties['charset'] = 'us-ascii'; |
691 | } |
692 | $content_type->properties = $this->parseProperties($props); |
693 | } |
694 | $this->content_type = $content_type; |
695 | } |
cfebb724 |
696 | |
0f459286 |
697 | /** |
698 | * RFC2184 |
699 | * @param array $aParameters |
700 | * @return array |
701 | */ |
cfebb724 |
702 | function processParameters($aParameters) { |
2ddf00ae |
703 | $aResults = array(); |
cfebb724 |
704 | $aCharset = array(); |
705 | // handle multiline parameters |
2ddf00ae |
706 | foreach($aParameters as $key => $value) { |
cfebb724 |
707 | if ($iPos = strpos($key,'*')) { |
708 | $sKey = substr($key,0,$iPos); |
709 | if (!isset($aResults[$sKey])) { |
710 | $aResults[$sKey] = $value; |
711 | if (substr($key,-1) == '*') { // parameter contains language/charset info |
712 | $aCharset[] = $sKey; |
713 | } |
714 | } else { |
715 | $aResults[$sKey] .= $value; |
716 | } |
717 | } else { |
718 | $aResults[$key] = $value; |
719 | } |
720 | } |
721 | foreach ($aCharset as $key) { |
722 | $value = $aResults[$key]; |
723 | // extract the charset & language |
724 | $charset = substr($value,0,strpos($value,"'")); |
725 | $value = substr($value,strlen($charset)+1); |
726 | $language = substr($value,0,strpos($value,"'")); |
727 | $value = substr($value,strlen($charset)+1); |
0f459286 |
728 | /* FIXME: What's the status of charset decode with language information ???? |
729 | * Maybe language information contains only ascii text and charset_decode() |
730 | * only runs htmlspecialchars() on it. If it contains 8bit information, you |
731 | * get html encoded text in charset used by selected translation. |
732 | */ |
cfebb724 |
733 | $value = charset_decode($charset,$value); |
734 | $aResults[$key] = $value; |
2ddf00ae |
735 | } |
cfebb724 |
736 | return $aResults; |
2ddf00ae |
737 | } |
19d470aa |
738 | |
0f459286 |
739 | /** |
740 | * @param string $value |
741 | * @return array |
742 | */ |
19d470aa |
743 | function parseProperties($value) { |
744 | $propArray = explode(';', $value); |
745 | $propResultArray = array(); |
746 | foreach ($propArray as $prop) { |
747 | $prop = trim($prop); |
748 | $pos = strpos($prop, '='); |
749 | if ($pos > 0) { |
750 | $key = trim(substr($prop, 0, $pos)); |
751 | $val = trim(substr($prop, $pos+1)); |
bbb92b4c |
752 | if (strlen($val) > 0 && $val{0} == '"') { |
19d470aa |
753 | $val = substr($val, 1, -1); |
754 | } |
755 | $propResultArray[$key] = $val; |
756 | } |
757 | } |
2ddf00ae |
758 | return $this->processParameters($propResultArray); |
19d470aa |
759 | } |
760 | |
0f459286 |
761 | /** |
762 | * Fills disposition object in rfc822Header object |
763 | * @param string $value |
764 | */ |
19d470aa |
765 | function parseDisposition($value) { |
766 | $pos = strpos($value, ';'); |
767 | $props = ''; |
768 | if ($pos > 0) { |
769 | $name = trim(substr($value, 0, $pos)); |
fc9269ec |
770 | $props = trim(substr($value, $pos+1)); |
19d470aa |
771 | } else { |
772 | $name = $value; |
773 | } |
774 | $props_a = $this->parseProperties($props); |
775 | $disp = new Disposition($name); |
776 | $disp->properties = $props_a; |
777 | $this->disposition = $disp; |
778 | } |
779 | |
0f459286 |
780 | /** |
781 | * Fills mlist array keys in rfc822Header object |
782 | * @param string $field |
783 | * @param string $value |
784 | */ |
19d470aa |
785 | function mlist($field, $value) { |
786 | $res_a = array(); |
787 | $value_a = explode(',', $value); |
788 | foreach ($value_a as $val) { |
789 | $val = trim($val); |
790 | if ($val{0} == '<') { |
791 | $val = substr($val, 1, -1); |
792 | } |
793 | if (substr($val, 0, 7) == 'mailto:') { |
794 | $res_a['mailto'] = substr($val, 7); |
795 | } else { |
796 | $res_a['href'] = $val; |
797 | } |
798 | } |
799 | $this->mlist[$field] = $res_a; |
800 | } |
801 | |
1a64a084 |
802 | /** |
803 | * Parses the X-Spam-Status header |
804 | * @param string $value |
805 | */ |
806 | function parseSpamStatus($value) { |
807 | // Header value looks like this: |
808 | // No, score=1.5 required=5.0 tests=MSGID_FROM_MTA_ID,NO_REAL_NAME,UPPERCASE_25_50 autolearn=disabled version=3.1.0-gr0 |
809 | |
810 | $spam_status = array(); |
811 | |
812 | if (preg_match ('/^(No|Yes),\s+score=(-?\d+\.\d+)\s+required=(-?\d+\.\d+)\s+tests=(.*?)\s+autolearn=(.*?)\s+version=(.+?)$/', $value, $matches)) { |
813 | // full header |
814 | $spam_status['bad_format'] = 0; |
815 | $spam_status['value'] = $matches[0]; |
816 | // is_spam |
817 | if (isset($matches[1]) |
818 | && strtolower($matches[1]) == 'yes') { |
819 | $spam_status['is_spam'] = true; |
820 | } else { |
821 | $spam_status['is_spam'] = false; |
822 | } |
823 | |
824 | // score |
825 | $spam_status['score'] = $matches[2]; |
826 | |
827 | // required |
828 | $spam_status['required'] = $matches[3]; |
829 | |
830 | // tests |
831 | $tests = array(); |
832 | $tests = explode(',', $matches[4]); |
833 | foreach ($tests as $test) { |
834 | $spam_status['tests'][] = trim($test); |
835 | } |
836 | |
837 | // autolearn |
838 | $spam_status['autolearn'] = $matches[5]; |
839 | |
840 | // version |
841 | $spam_status['version'] = $matches[6]; |
842 | } else { |
843 | $spam_status['bad_format'] = 1; |
844 | $spam_status['value'] = $value; |
845 | } |
846 | return $spam_status; |
847 | } |
848 | |
0f459286 |
849 | /** |
850 | * function to get the address strings out of the header. |
19d470aa |
851 | * example1: header->getAddr_s('to'). |
852 | * example2: header->getAddr_s(array('to', 'cc', 'bcc')) |
0f459286 |
853 | * @param mixed $arr string or array of strings |
854 | * @param string $separator |
855 | * @param boolean $encoded (since 1.4.0) return encoded or plain text addresses |
856 | * @return string |
19d470aa |
857 | */ |
2c9ecd11 |
858 | function getAddr_s($arr, $separator = ',',$encoded=false) { |
19d470aa |
859 | $s = ''; |
860 | |
861 | if (is_array($arr)) { |
862 | foreach($arr as $arg) { |
2c9ecd11 |
863 | if ($this->getAddr_s($arg, $separator, $encoded)) { |
8d8da447 |
864 | $s .= $separator; |
19d470aa |
865 | } |
866 | } |
867 | $s = ($s ? substr($s, 2) : $s); |
868 | } else { |
2c9ecd11 |
869 | $addr = $this->{$arr}; |
19d470aa |
870 | if (is_array($addr)) { |
871 | foreach ($addr as $addr_o) { |
872 | if (is_object($addr_o)) { |
2c9ecd11 |
873 | if ($encoded) { |
874 | $s .= $addr_o->getEncodedAddress() . $separator; |
875 | } else { |
876 | $s .= $addr_o->getAddress() . $separator; |
877 | } |
19d470aa |
878 | } |
879 | } |
880 | $s = substr($s, 0, -strlen($separator)); |
881 | } else { |
882 | if (is_object($addr)) { |
2c9ecd11 |
883 | if ($encoded) { |
884 | $s .= $addr->getEncodedAddress(); |
885 | } else { |
886 | $s .= $addr->getAddress(); |
887 | } |
19d470aa |
888 | } |
889 | } |
890 | } |
891 | return $s; |
892 | } |
893 | |
0f459286 |
894 | /** |
895 | * function to get the array of addresses out of the header. |
896 | * @param mixed $arg string or array of strings |
897 | * @param array $excl_arr array of excluded email addresses |
898 | * @param array $arr array of added email addresses |
899 | * @return array |
900 | */ |
19d470aa |
901 | function getAddr_a($arg, $excl_arr = array(), $arr = array()) { |
902 | if (is_array($arg)) { |
903 | foreach($arg as $argument) { |
904 | $arr = $this->getAddr_a($argument, $excl_arr, $arr); |
905 | } |
906 | } else { |
340d67c2 |
907 | $addr = $this->{$arg}; |
19d470aa |
908 | if (is_array($addr)) { |
909 | foreach ($addr as $next_addr) { |
910 | if (is_object($next_addr)) { |
911 | if (isset($next_addr->host) && ($next_addr->host != '')) { |
912 | $email = $next_addr->mailbox . '@' . $next_addr->host; |
913 | } else { |
914 | $email = $next_addr->mailbox; |
915 | } |
916 | $email = strtolower($email); |
917 | if ($email && !isset($arr[$email]) && !isset($excl_arr[$email])) { |
918 | $arr[$email] = $next_addr->personal; |
919 | } |
920 | } |
921 | } |
922 | } else { |
923 | if (is_object($addr)) { |
924 | $email = $addr->mailbox; |
925 | $email .= (isset($addr->host) ? '@' . $addr->host : ''); |
926 | $email = strtolower($email); |
927 | if ($email && !isset($arr[$email]) && !isset($excl_arr[$email])) { |
928 | $arr[$email] = $addr->personal; |
929 | } |
930 | } |
931 | } |
932 | } |
933 | return $arr; |
934 | } |
cfebb724 |
935 | |
0f459286 |
936 | /** |
937 | * @param mixed $address array or string |
938 | * @param boolean $recurs |
939 | * @return mixed array, boolean |
940 | * @since 1.3.2 |
941 | */ |
d0719411 |
942 | function findAddress($address, $recurs = false) { |
340d67c2 |
943 | $result = false; |
d0719411 |
944 | if (is_array($address)) { |
340d67c2 |
945 | $i=0; |
d0719411 |
946 | foreach($address as $argument) { |
947 | $match = $this->findAddress($argument, true); |
340d67c2 |
948 | if ($match[1]) { |
949 | return $i; |
950 | } else { |
951 | if (count($match[0]) && !$result) { |
952 | $result = $i; |
953 | } |
954 | } |
cfebb724 |
955 | ++$i; |
340d67c2 |
956 | } |
957 | } else { |
958 | if (!is_array($this->cc)) $this->cc = array(); |
959 | $srch_addr = $this->parseAddress($address); |
960 | $results = array(); |
961 | foreach ($this->to as $to) { |
962 | if ($to->host == $srch_addr->host) { |
963 | if ($to->mailbox == $srch_addr->mailbox) { |
964 | $results[] = $srch_addr; |
965 | if ($to->personal == $srch_addr->personal) { |
966 | if ($recurs) { |
967 | return array($results, true); |
968 | } else { |
969 | return true; |
970 | } |
971 | } |
972 | } |
973 | } |
d0719411 |
974 | } |
0f459286 |
975 | foreach ($this->cc as $cc) { |
340d67c2 |
976 | if ($cc->host == $srch_addr->host) { |
977 | if ($cc->mailbox == $srch_addr->mailbox) { |
978 | $results[] = $srch_addr; |
979 | if ($cc->personal == $srch_addr->personal) { |
980 | if ($recurs) { |
981 | return array($results, true); |
982 | } else { |
983 | return true; |
984 | } |
985 | } |
986 | } |
987 | } |
988 | } |
989 | if ($recurs) { |
990 | return array($results, false); |
991 | } elseif (count($result)) { |
992 | return true; |
993 | } else { |
994 | return false; |
cfebb724 |
995 | } |
340d67c2 |
996 | } |
1465f80c |
997 | //exit; |
340d67c2 |
998 | return $result; |
d0719411 |
999 | } |
19d470aa |
1000 | |
0f459286 |
1001 | /** |
1002 | * @param string $type0 media type |
1003 | * @param string $type1 media subtype |
1004 | * @return array media properties |
1005 | * @todo check use of media type arguments |
1006 | */ |
19d470aa |
1007 | function getContentType($type0, $type1) { |
1008 | $type0 = $this->content_type->type0; |
1009 | $type1 = $this->content_type->type1; |
1010 | return $this->content_type->properties; |
1011 | } |
1012 | } |