1 <?php rcs_id('$Id: ziplib.php,v 1.23 2002-01-25 16:46:02 dairiki Exp $');
6 * Note that we use gzopen()/gzwrite() instead of gzcompress() even if
7 * gzcompress() is available. Gzcompress() puts out data with
8 * different headers --- in particular it includes an "adler-32"
9 * checksum rather than a "CRC32" checksum. Since we need the CRC-32
10 * checksum, and since not all PHP's have gzcompress(), we'll just
11 * stick with gzopen().
13 function gzip_cleanup () {
17 @unlink($gzip_tmpfile);
20 function gzip_tempnam () {
25 //FIXME: does this work on non-unix machines?
26 $gzip_tmpfile = tempnam("/tmp", "wkzip");
27 register_shutdown_function("gzip_cleanup");
32 function gzip_compress ($data) {
33 $filename = gzip_tempnam();
34 if (!($fp = gzopen($filename, "wb")))
35 trigger_error(sprintf("%s failed", 'gzopen'), E_USER_ERROR);
36 gzwrite($fp, $data, strlen($data));
38 trigger_error(sprintf("%s failed", 'gzclose'), E_USER_ERROR);
40 $size = filesize($filename);
42 if (!($fp = fopen($filename, "rb")))
43 trigger_error(sprintf("%s failed", 'fopen'), E_USER_ERROR);
44 if (!($z = fread($fp, $size)) || strlen($z) != $size)
45 trigger_error(sprintf("%s failed", 'fread'), E_USER_ERROR);
47 trigger_error(sprintf("%s failed", 'fclose'), E_USER_ERROR);
53 function gzip_uncompress ($data) {
54 $filename = gzip_tempnam();
55 if (!($fp = fopen($filename, "wb")))
56 trigger_error(sprintf("%s failed", 'fopen'), E_USER_ERROR);
57 fwrite($fp, $data, strlen($data));
59 trigger_error(sprintf("%s failed", 'fclose'), E_USER_ERROR);
61 if (!($fp = gzopen($filename, "rb")))
62 trigger_error(sprintf("%s failed", 'gzopen'), E_USER_ERROR);
64 while ($buf = gzread($fp, 4096))
67 trigger_error(sprintf("%s failed", 'gzclose'), E_USER_ERROR);
74 * CRC32 computation. Hacked from Info-zip's zip-2.3 source code.
77 function zip_crc32 ($str, $crc = 0)
79 static $zip_crc_table;
81 if (empty($zip_crc_table)) {
82 /* NOTE: The range of PHP ints seems to be -0x80000000 to 0x7fffffff.
83 * So, had to munge these constants.
86 = array (0x00000000, 0x77073096, -0x11f19ed4, -0x66f6ae46, 0x076dc419,
87 0x706af48f, -0x169c5acb, -0x619b6a5d, 0x0edb8832, 0x79dcb8a4,
88 -0x1f2a16e2, -0x682d2678, 0x09b64c2b, 0x7eb17cbd, -0x1847d2f9,
89 -0x6f40e26f, 0x1db71064, 0x6ab020f2, -0x0c468eb8, -0x7b41be22,
90 0x1adad47d, 0x6ddde4eb, -0x0b2b4aaf, -0x7c2c7a39, 0x136c9856,
91 0x646ba8c0, -0x029d0686, -0x759a3614, 0x14015c4f, 0x63066cd9,
92 -0x05f0c29d, -0x72f7f20b, 0x3b6e20c8, 0x4c69105e, -0x2a9fbe1c,
93 -0x5d988e8e, 0x3c03e4d1, 0x4b04d447, -0x2df27a03, -0x5af54a95,
94 0x35b5a8fa, 0x42b2986c, -0x2444362a, -0x534306c0, 0x32d86ce3,
95 0x45df5c75, -0x2329f231, -0x542ec2a7, 0x26d930ac, 0x51de003a,
96 -0x3728ae80, -0x402f9eea, 0x21b4f4b5, 0x56b3c423, -0x30456a67,
97 -0x47425af1, 0x2802b89e, 0x5f058808, -0x39f3264e, -0x4ef416dc,
98 0x2f6f7c87, 0x58684c11, -0x3e9ee255, -0x4999d2c3, 0x76dc4190,
99 0x01db7106, -0x672ddf44, -0x102aefd6, 0x71b18589, 0x06b6b51f,
100 -0x60401b5b, -0x17472bcd, 0x7807c9a2, 0x0f00f934, -0x69f65772,
101 -0x1ef167e8, 0x7f6a0dbb, 0x086d3d2d, -0x6e9b9369, -0x199ca3ff,
102 0x6b6b51f4, 0x1c6c6162, -0x7a9acf28, -0x0d9dffb2, 0x6c0695ed,
103 0x1b01a57b, -0x7df70b3f, -0x0af03ba9, 0x65b0d9c6, 0x12b7e950,
104 -0x74414716, -0x03467784, 0x62dd1ddf, 0x15da2d49, -0x732c830d,
105 -0x042bb39b, 0x4db26158, 0x3ab551ce, -0x5c43ff8c, -0x2b44cf1e,
106 0x4adfa541, 0x3dd895d7, -0x5b2e3b93, -0x2c290b05, 0x4369e96a,
107 0x346ed9fc, -0x529877ba, -0x259f4730, 0x44042d73, 0x33031de5,
108 -0x55f5b3a1, -0x22f28337, 0x5005713c, 0x270241aa, -0x41f4eff0,
109 -0x36f3df7a, 0x5768b525, 0x206f85b3, -0x46992bf7, -0x319e1b61,
110 0x5edef90e, 0x29d9c998, -0x4f2f67de, -0x3828574c, 0x59b33d17,
111 0x2eb40d81, -0x4842a3c5, -0x3f459353, -0x12477ce0, -0x65404c4a,
112 0x03b6e20c, 0x74b1d29a, -0x152ab8c7, -0x622d8851, 0x04db2615,
113 0x73dc1683, -0x1c9cf4ee, -0x6b9bc47c, 0x0d6d6a3e, 0x7a6a5aa8,
114 -0x1bf130f5, -0x6cf60063, 0x0a00ae27, 0x7d079eb1, -0x0ff06cbc,
115 -0x78f75c2e, 0x1e01f268, 0x6906c2fe, -0x089da8a3, -0x7f9a9835,
116 0x196c3671, 0x6e6b06e7, -0x012be48a, -0x762cd420, 0x10da7a5a,
117 0x67dd4acc, -0x06462091, -0x71411007, 0x17b7be43, 0x60b08ed5,
118 -0x29295c18, -0x5e2e6c82, 0x38d8c2c4, 0x4fdff252, -0x2e44980f,
119 -0x5943a899, 0x3fb506dd, 0x48b2364b, -0x27f2d426, -0x50f5e4b4,
120 0x36034af6, 0x41047a60, -0x209f103d, -0x579820ab, 0x316e8eef,
121 0x4669be79, -0x349e4c74, -0x43997ce6, 0x256fd2a0, 0x5268e236,
122 -0x33f3886b, -0x44f4b8fd, 0x220216b9, 0x5505262f, -0x3a45c442,
123 -0x4d42f4d8, 0x2bb45a92, 0x5cb36a04, -0x3d280059, -0x4a2f30cf,
124 0x2cd99e8b, 0x5bdeae1d, -0x649b3d50, -0x139c0dda, 0x756aa39c,
125 0x026d930a, -0x63f6f957, -0x14f1c9c1, 0x72076785, 0x05005713,
126 -0x6a40b57e, -0x1d4785ec, 0x7bb12bae, 0x0cb61b38, -0x6d2d7165,
127 -0x1a2a41f3, 0x7cdcefb7, 0x0bdbdf21, -0x792c2d2c, -0x0e2b1dbe,
128 0x68ddb3f8, 0x1fda836e, -0x7e41e933, -0x0946d9a5, 0x6fb077e1,
129 0x18b74777, -0x77f7a51a, -0x00f09590, 0x66063bca, 0x11010b5c,
130 -0x709a6101, -0x079d5197, 0x616bffd3, 0x166ccf45, -0x5ff51d88,
131 -0x28f22d12, 0x4e048354, 0x3903b3c2, -0x5898d99f, -0x2f9fe909,
132 0x4969474d, 0x3e6e77db, -0x512e95b6, -0x2629a524, 0x40df0b66,
133 0x37d83bf0, -0x564351ad, -0x2144613b, 0x47b2cf7f, 0x30b5ffe9,
134 -0x42420de4, -0x35453d76, 0x53b39330, 0x24b4a3a6, -0x452fc9fb,
135 -0x3228f96d, 0x54de5729, 0x23d967bf, -0x4c9985d2, -0x3b9eb548,
136 0x5d681b02, 0x2a6f2b94, -0x4bf441c9, -0x3cf3715f, 0x5a05df1b,
141 for ($i = 0; $i < strlen($str); $i++) {
142 $crc = ( $zip_crc_table[($crc ^ ord($str[$i])) & 0xff]
143 ^ (($crc >> 8) & 0xffffff) );
148 define('GZIP_MAGIC', "\037\213");
149 define('GZIP_DEFLATE', 010);
151 function zip_deflate ($content)
153 // Compress content, and suck information from gzip header.
154 $z = gzip_compress($content);
156 // Suck OS type byte from gzip header. FIXME: this smells bad.
158 extract(unpack("a2magic/Ccomp_type/Cflags/@9/Cos_type", $z));
160 if ($magic != GZIP_MAGIC)
161 trigger_error(sprintf("Bad %s", "gzip magic"), E_USER_ERROR);
162 if ($comp_type != GZIP_DEFLATE)
163 trigger_error(sprintf("Bad %s", "gzip comp type"), E_USER_ERROR);
164 if (($flags & 0x3e) != 0)
165 trigger_error(sprintf("Bad %s", sprintf("flags (0x%02x)", $flags)),
169 $gz_data_len = strlen($z) - $gz_header_len - 8;
170 if ($gz_data_len < 0)
171 trigger_error("not enough gzip output?", E_USER_ERROR);
173 extract(unpack("Vcrc32", substr($z, $gz_header_len + $gz_data_len)));
175 return array(substr($z, $gz_header_len, $gz_data_len), // gzipped data
181 function zip_inflate ($data, $crc32, $uncomp_size)
183 if (!function_exists('gzopen')) {
185 $request->finish(_("Can't inflate data: zlib support not enabled in this PHP"));
188 // Reconstruct gzip header and ungzip the data.
189 $mtime = time(); //(Bogus mtime)
191 return gzip_uncompress( pack("a2CxV@10", GZIP_MAGIC, GZIP_DEFLATE, $mtime)
193 . pack("VV", $crc32, $uncomp_size) );
196 function unixtime2dostime ($unix_time) {
198 $unix_time++; // Round up to even seconds.
200 list ($year,$month,$mday,$hour,$min,$sec)
201 = explode(" ", date("Y n j G i s", $unix_time));
204 list ($year,$month,$mday,$hour,$min,$sec) = array(1980, 1, 1, 0, 0, 0);
206 $dosdate = (($year - 1980) << 9) | ($month << 5) | $mday;
207 $dostime = ($hour << 11) | ($min << 5) | ($sec >> 1);
209 return array($dosdate, $dostime);
212 function dostime2unixtime ($dosdate, $dostime) {
213 $mday = $dosdate & 0x1f;
214 $month = ($dosdate >> 5) & 0x0f;
215 $year = 1980 + (($dosdate >> 9) & 0x7f);
217 $sec = ($dostime & 0x1f) * 2;
218 $min = ($dostime >> 5) & 0x3f;
219 $hour = ($dostime >> 11) & 0x1f;
221 return mktime($hour, $min, $sec, $month, $mday, $year);
226 * Class for zipfile creation.
228 define('ZIP_DEFLATE', GZIP_DEFLATE);
229 define('ZIP_STORE', 0);
230 define('ZIP_CENTHEAD_MAGIC', "PK\001\002");
231 define('ZIP_LOCHEAD_MAGIC', "PK\003\004");
232 define('ZIP_ENDDIR_MAGIC', "PK\005\006");
236 function ZipWriter ($comment = "", $zipname = "archive.zip") {
237 $this->comment = $comment;
239 $this->dir = ""; // "Central directory block"
240 $this->offset = 0; // Current file position.
242 $zipname = addslashes($zipname);
243 header("Content-Type: application/zip; name=\"$zipname\"");
244 header("Content-Disposition: attachment; filename=\"$zipname\"");
247 function addRegularFile ($filename, $content, $attrib = false) {
251 $size = strlen($content);
252 if (function_exists('gzopen'))
254 list ($data, $crc32, $os_type) = zip_deflate($content);
255 if (strlen($data) < $size)
257 $content = $data; // Use compressed data.
258 $comp_type = ZIP_DEFLATE;
261 unset($crc32); // force plain store.
265 $comp_type = ZIP_STORE;
266 $crc32 = zip_crc32($content);
269 if (!empty($attrib['write_protected']))
270 $atx = (0100444 << 16) | 1; // S_IFREG + read permissions to
273 $atx = (0100644 << 16); // Add owner write perms.
275 $ati = $attrib['is_ascii'] ? 1 : 0;
277 if (empty($attrib['mtime']))
278 $attrib['mtime'] = time();
279 list ($mod_date, $mod_time) = unixtime2dostime($attrib['mtime']);
281 // Construct parts common to "Local file header" and "Central
282 // directory file header."
283 if (!isset($attrib['extra_field']))
284 $attrib['extra_field'] = '';
285 if (!isset($attrib['file_comment']))
286 $attrib['file_comment'] = '';
288 $head = pack("vvvvvVVVvv",
289 20, // Version needed to extract (FIXME: is this right?)
290 0, // Gen purp bit flag
298 strlen($attrib['extra_field']));
300 // Construct the "Local file header"
301 $lheader = ZIP_LOCHEAD_MAGIC . $head . $filename
302 . $attrib['extra_field'];
304 // Construct the "central directory file header"
305 $this->dir .= pack("a4CC",
307 23, // Version made by (FIXME: is this right?)
310 $this->dir .= pack("vvvVV",
311 strlen($attrib['file_comment']),
312 0, // Disk number start
313 $ati, // Internal file attributes
314 $atx, // External file attributes
315 $this->offset); // Relative offset of local header
316 $this->dir .= $filename . $attrib['extra_field']
317 . $attrib['file_comment'];
319 // Output the "Local file header" and file contents.
323 $this->offset += strlen($lheader) + strlen($content);
328 // Output the central directory
331 // Construct the "End of central directory record"
332 echo ZIP_ENDDIR_MAGIC;
334 0, // Number of this disk.
335 0, // Number of disk with start of c dir
336 $this->nfiles, // Number entries on this disk
337 $this->nfiles, // Number entries
338 strlen($this->dir), // Size of central directory
339 $this->offset, // Offset of central directory
340 strlen($this->comment));
347 * Class for reading zip files.
351 * Many of the ExitWiki()'s should probably be warn()'s (eg. CRC mismatch).
353 * Only a subset of zip formats is recognized. (I think that
354 * unsupported formats will be recognized as such rather than silently
357 * We don't read the central directory. This means we don't see the
358 * file attributes (text? read-only?), or file comments.
360 * Right now we ignore the file mod date and time, since we don't need it.
364 function ZipReader ($zipfile) {
365 if (!is_string($zipfile))
366 $this->fp = $zipfile; // File already open
367 else if (!($this->fp = fopen($zipfile, "rb")))
368 trigger_error(sprintf(_("Can't open zip file '%s' for reading"),
369 $zipfile), E_USER_ERROR);
372 function _read ($nbytes) {
373 $chunk = fread($this->fp, $nbytes);
374 if (strlen($chunk) != $nbytes)
375 trigger_error(_("Unexpected EOF in zip file"), E_USER_ERROR);
384 function readFile () {
385 $head = $this->_read(30);
387 extract(unpack("a4magic/vreq_version/vflags/vcomp_type"
388 . "/vmod_time/vmod_date"
389 . "/Vcrc32/Vcomp_size/Vuncomp_size"
390 . "/vfilename_len/vextrafld_len",
393 //FIXME: we should probably check $req_version.
394 $attrib['mtime'] = dostime2unixtime($mod_date, $mod_time);
396 if ($magic != ZIP_LOCHEAD_MAGIC)
398 if ($magic != ZIP_CENTHEAD_MAGIC)
399 // FIXME: better message?
400 ExitWiki(sprintf("Bad header type: %s", $magic));
401 return $this->done();
403 if (($flags & 0x21) != 0)
404 ExitWiki("Encryption and/or zip patches not supported.");
405 if (($flags & 0x08) != 0)
406 // FIXME: better message?
407 ExitWiki("Postponed CRC not yet supported.");
409 $filename = $this->_read($filename_len);
410 if ($extrafld_len != 0)
411 $attrib['extra_field'] = $this->_read($extrafld_len);
413 $data = $this->_read($comp_size);
415 if ($comp_type == ZIP_DEFLATE)
417 $data = zip_inflate($data, $crc32, $uncomp_size);
419 else if ($comp_type == ZIP_STORE)
421 $crc = zip_crc32($data);
423 ExitWiki(sprintf("CRC mismatch %x != %x", $crc, $crc32));
426 ExitWiki(sprintf("Compression method %s unsupported",
429 if (strlen($data) != $uncomp_size)
430 ExitWiki(sprintf("Uncompressed size mismatch %d != %d",
431 strlen($data), $uncomp_size));
433 return array($filename, $data, $attrib);
438 * Routines for Mime mailification of pages.
440 //FIXME: these should go elsewhere (libmime?).
443 * Routines for quoted-printable en/decoding.
445 function QuotedPrintableEncode ($string)
447 // Quote special characters in line.
451 // The complicated regexp is to force quoting of trailing spaces.
452 preg_match('/^([ !-<>-~]*)(?:([!-<>-~]$)|(.))/s', $string, $match);
453 $quoted .= $match[1] . $match[2];
454 if (!empty($match[3]))
455 $quoted .= sprintf("=%02X", ord($match[3]));
456 $string = substr($string, strlen($match[0]));
459 // This splits the line (preferably after white-space) into lines
460 // which are no longer than 76 chars (after adding trailing '=' for
461 // soft line break, but before adding \r\n.)
462 return preg_replace('/(?=.{77})(.{10,74}[ \t]|.{71,73}[^=][^=])/s',
463 "\\1=\r\n", $quoted);
466 function QuotedPrintableDecode ($string)
468 // Eliminate soft line-breaks.
469 $string = preg_replace('/=[ \t\r]*\n/', '', $string);
470 return quoted_printable_decode($string);
473 define('MIME_TOKEN_REGEXP', "[-!#-'*+.0-9A-Z^-~]+");
475 function MimeContentTypeHeader ($type, $subtype, $params)
477 $header = "Content-Type: $type/$subtype";
479 while (list($key, $val) = each($params))
481 //FIXME: what about non-ascii printables in $val?
482 if (!preg_match('/^' . MIME_TOKEN_REGEXP . '$/', $val))
483 $val = '"' . addslashes($val) . '"';
484 $header .= ";\r\n $key=$val";
486 return "$header\r\n";
489 function MimeMultipart ($parts)
491 global $mime_multipart_count;
493 // The string "=_" can not occur in quoted-printable encoded data.
494 $boundary = "=_multipart_boundary_" . ++$mime_multipart_count;
496 $head = MimeContentTypeHeader('multipart', 'mixed',
497 array('boundary' => $boundary));
499 $sep = "\r\n--$boundary\r\n";
501 return $head . $sep . implode($sep, $parts) . "\r\n--${boundary}--\r\n";
506 * http://www.nacs.uci.edu/indiv/ehood/MIME/2045/rfc2045.html
507 * http://www.faqs.org/rfcs/rfc2045.html
508 * (RFC 1521 has been superceeded by RFC 2045 & others).
510 * Also see http://www.faqs.org/rfcs/rfc2822.html
513 * Notes on content-transfer-encoding.
515 * "7bit" means short lines of US-ASCII.
516 * "8bit" means short lines of octets with (possibly) the high-order bit set.
517 * "binary" means lines are not necessarily short enough for SMTP
518 * transport, and non-ASCII characters may be present.
520 * Only "7bit", "quoted-printable", and "base64" are universally safe
521 * for transport via e-mail. (Though many MTAs can/will be configured to
522 * automatically convert encodings to a safe type if they receive
523 * mail encoded in '8bit' and/or 'binary' encodings.
525 function MimeifyPageRevision ($revision) {
526 $page = $revision->getPage();
527 // FIXME: add 'hits' to $params
528 $params = array('pagename' => $page->getName(),
529 'author' => $revision->get('author'),
530 'version' => $revision->getVersion(),
532 'lastmodified' => $revision->get('mtime'),
533 'charset' => CHARSET);
536 if ($page->get('mtime'))
537 $params['created'] = $page->get('mtime');
538 if ($page->get('locked'))
539 $params['flags'] = 'PAGE_LOCKED';
540 if ($revision->get('author_id'))
541 $params['author_id'] = $revision->get('author_id');
543 // Non-US-ASCII is not allowed in Mime headers (at least not without
544 // special handling) --- so we urlencode all parameter values.
545 foreach ($params as $key => $val)
546 $params[$key] = rawurlencode($val);
548 $out = MimeContentTypeHeader('application', 'x-phpwiki', $params);
549 $out .= sprintf("Content-Transfer-Encoding: %s\r\n",
550 STRICT_MAILABLE_PAGEDUMPS ? 'quoted-printable' : 'binary');
554 foreach ($revision->getContent() as $line) {
555 // This is a dirty hack to allow saving binary text files. See above.
556 $line = rtrim($line);
557 if (STRICT_MAILABLE_PAGEDUMPS)
558 $line = QuotedPrintableEncode(rtrim($line));
565 * Routines for parsing Mime-ified phpwiki pages.
567 function ParseRFC822Headers (&$string)
569 if (preg_match("/^From (.*)\r?\n/", $string, $match))
571 $headers['from '] = preg_replace('/^\s+|\s+$/', '', $match[1]);
572 $string = substr($string, strlen($match[0]));
575 while (preg_match('/^([!-9;-~]+) [ \t]* : [ \t]* '
576 . '( .* \r?\n (?: [ \t] .* \r?\n)* )/x',
579 $headers[strtolower($match[1])]
580 = preg_replace('/^\s+|\s+$/', '', $match[2]);
581 $string = substr($string, strlen($match[0]));
587 if (! preg_match("/^\r?\n/", $string, $match))
589 // No blank line after headers.
593 $string = substr($string, strlen($match[0]));
599 function ParseMimeContentType ($string)
601 // FIXME: Remove (RFC822 style comments).
604 if (!preg_match(':^\s*(' . MIME_TOKEN_REGEXP . ')\s*'
606 . '\s*(' . MIME_TOKEN_REGEXP . ')\s*:x',
608 ExitWiki(sprintf("Bad %s",'MIME content-type'));
610 $type = strtolower($match[1]);
611 $subtype = strtolower($match[2]);
612 $string = substr($string, strlen($match[0]));
615 while (preg_match('/^;\s*(' . MIME_TOKEN_REGEXP . ')\s*=\s*'
616 . '(?:(' . MIME_TOKEN_REGEXP . ')|"((?:[^"\\\\]|\\.)*)") \s*/sx',
619 //" <--kludge for brain-dead syntax coloring
620 if (strlen($match[2]))
623 $val = preg_replace('/[\\\\](.)/s', '\\1', $match[3]);
625 $param[strtolower($match[1])] = $val;
627 $string = substr($string, strlen($match[0]));
630 return array($type, $subtype, $param);
633 function ParseMimeMultipart($data, $boundary)
636 ExitWiki("No boundary?");
638 $boundary = preg_quote($boundary);
640 while (preg_match("/^(|.*?\n)--$boundary((?:--)?)[^\n]*\n/s",
643 $data = substr($data, strlen($match[0]));
644 if ( ! isset($parts) )
645 $parts = array(); // First time through: discard leading chaff
647 if ($content = ParseMimeifiedPages($match[1]))
648 for (reset($content); $p = current($content); next($content))
653 return $parts; // End boundary found.
655 ExitWiki("No end boundary?");
658 function GenerateFootnotesFromRefs($params)
660 $footnotes = array();
662 while (list($p, $reference) = each($params))
664 if (preg_match('/^ref([1-9][0-9]*)$/', $p, $m))
665 $footnotes[$m[1]] = sprintf(_("[%d] See [%s]"),
666 $m[1], rawurldecode($reference));
669 if (sizeof($footnotes) > 0)
673 . "!" ._("References") . "\n"
674 . join("\n%%%\n", $footnotes) . "\n";
681 // Convert references in meta-data to footnotes.
682 // Only zip archives generated by phpwiki 1.2.x or earlier should have
684 function ParseMimeifiedPages ($data)
686 if (!($headers = ParseRFC822Headers($data))
687 || empty($headers['content-type'])) {
688 //trigger_error( sprintf(_("Can't find %s"),'content-type header'),
692 $typeheader = $headers['content-type'];
694 if (!(list ($type, $subtype, $params) = ParseMimeContentType($typeheader))) {
695 trigger_error( sprintf("Can't parse %s: (%s)",
696 'content-type', $typeheader),
700 if ("$type/$subtype" == 'multipart/mixed') {
701 return ParseMimeMultipart($data, $params['boundary']);
703 else if ("$type/$subtype" != 'application/x-phpwiki') {
704 trigger_error( sprintf("Bad %s","content-type: $type/$subtype"),
709 // FIXME: more sanity checking?
712 $versiondata = array();
714 foreach ($params as $key => $value) {
717 $value = rawurldecode($value);
721 $page[$key] = $value;
724 if (preg_match('/PAGE_LOCKED/', $value))
725 $pagedata['locked'] = 'yes';
728 $pagedata[$key] = $value;
731 $versiondata['mtime'] = $value;
735 $versiondata[$key] = $value;
740 // FIXME: do we need to try harder to find a pagename if we
741 // haven't got one yet?
742 if (!isset($versiondata['author'])) {
744 $user = $request->getUser();
745 $versiondata['author'] = $user->getId(); //FIXME:?
748 $encoding = strtolower($headers['content-transfer-encoding']);
749 if ($encoding == 'quoted-printable')
750 $data = QuotedPrintableDecode($data);
751 else if ($encoding && $encoding != 'binary')
752 ExitWiki( sprintf("Unknown %s", 'encoding type: $encoding') );
754 $data .= GenerateFootnotesFromRefs($params);
756 $page['content'] = preg_replace('/[ \t\r]*\n/', "\n", chop($data));
757 $page['pagedata'] = $pagedata;
758 $page['versiondata'] = $versiondata;
767 // c-hanging-comment-ender-p: nil
768 // indent-tabs-mode: nil