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().
15 * CRC32 computation. Hacked from Info-zip's zip-2.3 source code.
18 function zip_crc32($str, $crc = 0)
20 static $zip_crc_table;
22 if (empty($zip_crc_table)) {
23 /* NOTE: The range of PHP ints seems to be -0x80000000 to 0x7fffffff.
24 * So, had to munge these constants.
27 = array(0x00000000, 0x77073096, -0x11f19ed4, -0x66f6ae46, 0x076dc419,
28 0x706af48f, -0x169c5acb, -0x619b6a5d, 0x0edb8832, 0x79dcb8a4,
29 -0x1f2a16e2, -0x682d2678, 0x09b64c2b, 0x7eb17cbd, -0x1847d2f9,
30 -0x6f40e26f, 0x1db71064, 0x6ab020f2, -0x0c468eb8, -0x7b41be22,
31 0x1adad47d, 0x6ddde4eb, -0x0b2b4aaf, -0x7c2c7a39, 0x136c9856,
32 0x646ba8c0, -0x029d0686, -0x759a3614, 0x14015c4f, 0x63066cd9,
33 -0x05f0c29d, -0x72f7f20b, 0x3b6e20c8, 0x4c69105e, -0x2a9fbe1c,
34 -0x5d988e8e, 0x3c03e4d1, 0x4b04d447, -0x2df27a03, -0x5af54a95,
35 0x35b5a8fa, 0x42b2986c, -0x2444362a, -0x534306c0, 0x32d86ce3,
36 0x45df5c75, -0x2329f231, -0x542ec2a7, 0x26d930ac, 0x51de003a,
37 -0x3728ae80, -0x402f9eea, 0x21b4f4b5, 0x56b3c423, -0x30456a67,
38 -0x47425af1, 0x2802b89e, 0x5f058808, -0x39f3264e, -0x4ef416dc,
39 0x2f6f7c87, 0x58684c11, -0x3e9ee255, -0x4999d2c3, 0x76dc4190,
40 0x01db7106, -0x672ddf44, -0x102aefd6, 0x71b18589, 0x06b6b51f,
41 -0x60401b5b, -0x17472bcd, 0x7807c9a2, 0x0f00f934, -0x69f65772,
42 -0x1ef167e8, 0x7f6a0dbb, 0x086d3d2d, -0x6e9b9369, -0x199ca3ff,
43 0x6b6b51f4, 0x1c6c6162, -0x7a9acf28, -0x0d9dffb2, 0x6c0695ed,
44 0x1b01a57b, -0x7df70b3f, -0x0af03ba9, 0x65b0d9c6, 0x12b7e950,
45 -0x74414716, -0x03467784, 0x62dd1ddf, 0x15da2d49, -0x732c830d,
46 -0x042bb39b, 0x4db26158, 0x3ab551ce, -0x5c43ff8c, -0x2b44cf1e,
47 0x4adfa541, 0x3dd895d7, -0x5b2e3b93, -0x2c290b05, 0x4369e96a,
48 0x346ed9fc, -0x529877ba, -0x259f4730, 0x44042d73, 0x33031de5,
49 -0x55f5b3a1, -0x22f28337, 0x5005713c, 0x270241aa, -0x41f4eff0,
50 -0x36f3df7a, 0x5768b525, 0x206f85b3, -0x46992bf7, -0x319e1b61,
51 0x5edef90e, 0x29d9c998, -0x4f2f67de, -0x3828574c, 0x59b33d17,
52 0x2eb40d81, -0x4842a3c5, -0x3f459353, -0x12477ce0, -0x65404c4a,
53 0x03b6e20c, 0x74b1d29a, -0x152ab8c7, -0x622d8851, 0x04db2615,
54 0x73dc1683, -0x1c9cf4ee, -0x6b9bc47c, 0x0d6d6a3e, 0x7a6a5aa8,
55 -0x1bf130f5, -0x6cf60063, 0x0a00ae27, 0x7d079eb1, -0x0ff06cbc,
56 -0x78f75c2e, 0x1e01f268, 0x6906c2fe, -0x089da8a3, -0x7f9a9835,
57 0x196c3671, 0x6e6b06e7, -0x012be48a, -0x762cd420, 0x10da7a5a,
58 0x67dd4acc, -0x06462091, -0x71411007, 0x17b7be43, 0x60b08ed5,
59 -0x29295c18, -0x5e2e6c82, 0x38d8c2c4, 0x4fdff252, -0x2e44980f,
60 -0x5943a899, 0x3fb506dd, 0x48b2364b, -0x27f2d426, -0x50f5e4b4,
61 0x36034af6, 0x41047a60, -0x209f103d, -0x579820ab, 0x316e8eef,
62 0x4669be79, -0x349e4c74, -0x43997ce6, 0x256fd2a0, 0x5268e236,
63 -0x33f3886b, -0x44f4b8fd, 0x220216b9, 0x5505262f, -0x3a45c442,
64 -0x4d42f4d8, 0x2bb45a92, 0x5cb36a04, -0x3d280059, -0x4a2f30cf,
65 0x2cd99e8b, 0x5bdeae1d, -0x649b3d50, -0x139c0dda, 0x756aa39c,
66 0x026d930a, -0x63f6f957, -0x14f1c9c1, 0x72076785, 0x05005713,
67 -0x6a40b57e, -0x1d4785ec, 0x7bb12bae, 0x0cb61b38, -0x6d2d7165,
68 -0x1a2a41f3, 0x7cdcefb7, 0x0bdbdf21, -0x792c2d2c, -0x0e2b1dbe,
69 0x68ddb3f8, 0x1fda836e, -0x7e41e933, -0x0946d9a5, 0x6fb077e1,
70 0x18b74777, -0x77f7a51a, -0x00f09590, 0x66063bca, 0x11010b5c,
71 -0x709a6101, -0x079d5197, 0x616bffd3, 0x166ccf45, -0x5ff51d88,
72 -0x28f22d12, 0x4e048354, 0x3903b3c2, -0x5898d99f, -0x2f9fe909,
73 0x4969474d, 0x3e6e77db, -0x512e95b6, -0x2629a524, 0x40df0b66,
74 0x37d83bf0, -0x564351ad, -0x2144613b, 0x47b2cf7f, 0x30b5ffe9,
75 -0x42420de4, -0x35453d76, 0x53b39330, 0x24b4a3a6, -0x452fc9fb,
76 -0x3228f96d, 0x54de5729, 0x23d967bf, -0x4c9985d2, -0x3b9eb548,
77 0x5d681b02, 0x2a6f2b94, -0x4bf441c9, -0x3cf3715f, 0x5a05df1b,
82 for ($i = 0; $i < strlen($str); $i++) {
83 $crc = ($zip_crc_table[($crc ^ ord($str[$i])) & 0xff]
84 ^ (($crc >> 8) & 0xffffff));
89 define('GZIP_MAGIC', "\037\213");
90 define('GZIP_DEFLATE', 010);
92 function zip_deflate($content)
94 // Compress content, and suck information from gzip header.
95 $z = gzencode($content);
97 // Suck OS type byte from gzip header. FIXME: this smells bad.
99 extract(unpack("a2magic/Ccomp_type/Cflags/@9/Cos_type", $z));
101 if ($magic != GZIP_MAGIC)
102 trigger_error(sprintf("Bad %s", "gzip magic"), E_USER_ERROR);
103 if ($comp_type != GZIP_DEFLATE)
104 trigger_error(sprintf("Bad %s", "gzip comp type"), E_USER_ERROR);
105 if (($flags & 0x3e) != 0)
106 trigger_error(sprintf("Bad %s", sprintf("flags (0x%02x)", $flags)),
110 $gz_data_len = strlen($z) - $gz_header_len - 8;
111 if ($gz_data_len < 0)
112 trigger_error("not enough gzip output?", E_USER_ERROR);
114 extract(unpack("Vcrc32", substr($z, $gz_header_len + $gz_data_len)));
116 return array(substr($z, $gz_header_len, $gz_data_len), // gzipped data
122 function zip_inflate($data, $crc32, $uncomp_size)
124 $data = gzinflate($data);
125 if (strlen($data) != $uncomp_size)
126 trigger_error("not enough output from gzinflate", E_USER_ERROR);
127 $zcrc32 = zip_crc32($data);
128 if ($zcrc32 < 0) { // force unsigned
129 $zcrc32 += 4294967296;
131 if ($crc32 < 0) { // force unsigned
132 $crc32 += 4294967296;
134 if ($zcrc32 != $crc32)
135 trigger_error("CRC32 mismatch: calculated=$zcrc32, expected=$crc32", E_USER_ERROR);
139 function unixtime2dostime($unix_time)
142 $unix_time++; // Round up to even seconds.
144 list ($year, $month, $mday, $hour, $min, $sec)
145 = explode(" ", date("Y n j G i s", $unix_time));
148 list ($year, $month, $mday, $hour, $min, $sec) = array(1980, 1, 1, 0, 0, 0);
150 $dosdate = (($year - 1980) << 9) | ($month << 5) | $mday;
151 $dostime = ($hour << 11) | ($min << 5) | ($sec >> 1);
153 return array($dosdate, $dostime);
156 function dostime2unixtime($dosdate, $dostime)
158 $mday = $dosdate & 0x1f;
159 $month = ($dosdate >> 5) & 0x0f;
160 $year = 1980 + (($dosdate >> 9) & 0x7f);
162 $sec = ($dostime & 0x1f) * 2;
163 $min = ($dostime >> 5) & 0x3f;
164 $hour = ($dostime >> 11) & 0x1f;
166 return mktime($hour, $min, $sec, $month, $mday, $year);
170 * Class for zipfile creation.
172 define('ZIP_DEFLATE', GZIP_DEFLATE);
173 define('ZIP_STORE', 0);
174 define('ZIP_CENTHEAD_MAGIC', "PK\001\002");
175 define('ZIP_LOCHEAD_MAGIC', "PK\003\004");
176 define('ZIP_ENDDIR_MAGIC', "PK\005\006");
180 function ZipWriter($comment = "", $zipname = "archive.zip")
182 $this->comment = $comment;
184 $this->dir = ""; // "Central directory block"
185 $this->offset = 0; // Current file position.
187 $zipname = addslashes($zipname);
188 header("Content-Type: application/zip; name=\"$zipname\"");
189 header("Content-Disposition: attachment; filename=\"$zipname\"");
192 function addSrcFile($target, $src, $attrib = array())
194 if (empty($attrib['mtime']))
195 $attrib = array('mtime' => filemtime($src), 'is_ascii' => 0);
196 $this->addRegularFile($target, file_get_contents($src), $attrib);
199 function addRegularFile($filename, $content, $attrib = array())
201 $size = strlen($content);
202 list ($data, $crc32, $os_type) = zip_deflate($content);
203 if (strlen($data) < $size) {
204 $content = $data; // Use compressed data.
205 $comp_type = ZIP_DEFLATE;
207 unset($crc32); // force plain store.
209 if (!isset($crc32)) {
210 $comp_type = ZIP_STORE;
211 $crc32 = zip_crc32($content);
214 if (!empty($attrib['write_protected']))
215 $atx = (0100444 << 16) | 1; // S_IFREG + read permissions to
218 $atx = (0100644 << 16); // Add owner write perms.
220 $ati = $attrib['is_ascii'] ? 1 : 0;
222 if (empty($attrib['mtime']))
223 $attrib['mtime'] = time();
224 list ($mod_date, $mod_time) = unixtime2dostime($attrib['mtime']);
226 // Construct parts common to "Local file header" and "Central
227 // directory file header."
228 if (!isset($attrib['extra_field']))
229 $attrib['extra_field'] = '';
230 if (!isset($attrib['file_comment']))
231 $attrib['file_comment'] = '';
233 $head = pack("vvvvvVVVvv",
234 20, // Version needed to extract (FIXME: is this right?)
235 0, // Gen purp bit flag
243 strlen($attrib['extra_field']));
245 // Construct the "Local file header"
246 $lheader = ZIP_LOCHEAD_MAGIC . $head . $filename
247 . $attrib['extra_field'];
249 // Construct the "central directory file header"
250 $this->dir .= pack("a4CC",
252 23, // Version made by (FIXME: is this right?)
255 $this->dir .= pack("vvvVV",
256 strlen($attrib['file_comment']),
257 0, // Disk number start
258 $ati, // Internal file attributes
259 $atx, // External file attributes
260 $this->offset); // Relative offset of local header
261 $this->dir .= $filename . $attrib['extra_field']
262 . $attrib['file_comment'];
264 // Output the "Local file header" and file contents.
268 $this->offset += strlen($lheader) + strlen($content);
274 // Output the central directory
277 // Construct the "End of central directory record"
278 echo ZIP_ENDDIR_MAGIC;
280 0, // Number of this disk.
281 0, // Number of disk with start of c dir
282 $this->nfiles, // Number entries on this disk
283 $this->nfiles, // Number entries
284 strlen($this->dir), // Size of central directory
285 $this->offset, // Offset of central directory
286 strlen($this->comment));
292 * Class for reading zip files. Handles buffers also.
296 * Many of the ExitWiki()'s should probably be warn()'s (eg. CRC mismatch).
298 * Only a subset of zip formats is recognized. (I think that
299 * unsupported formats will be recognized as such rather than silently
302 * We don't read the central directory. This means we don't see the
303 * file attributes (text? read-only?), or file comments.
305 * Right now we ignore the file mod date and time, since we don't need it.
309 function ZipReader($zipfile)
311 if (!is_string($zipfile)) { // filepointer: File already open
312 $this->fp = $zipfile;
314 } elseif (((ord($zipfile[0]) * 256 + ord($zipfile[1])) % 31 == 0) // buffer
315 and (substr($zipfile, 0, 2) == "\037\213")
316 or (substr($zipfile, 0, 2) == "x\332")
319 $this->buf = $zipfile;
323 $this->zipfile = $zipfile;
324 if (!($this->fp = fopen($zipfile, "rb"))) {
325 trigger_error(sprintf(_("Can't open zip file “%s” for reading"),
326 $zipfile), E_USER_ERROR);
331 function _read($nbytes)
334 $chunk = fread($this->fp, $nbytes);
335 if (strlen($chunk) != $nbytes)
336 trigger_error(_("Unexpected EOF in zip file"), E_USER_ERROR);
338 } elseif ($this->buf) {
339 if (strlen($this->buf) < $nbytes)
340 trigger_error(_("Unexpected EOF in zip file"), E_USER_ERROR);
341 $chunk = substr($this->buf, 0, $nbytes);
342 $this->buf = substr($this->buf, $nbytes);
358 $head = $this->_read(30); // FIXME: This is bad for gzip compressed buffers
360 extract(unpack("a4magic/vreq_version/vflags/vcomp_type"
361 . "/vmod_time/vmod_date"
362 . "/Vcrc32/Vcomp_size/Vuncomp_size"
363 . "/vfilename_len/vextrafld_len",
366 if ($magic != ZIP_LOCHEAD_MAGIC) {
368 //$x = substr($magic,0,3);
369 if (substr($magic, 0, 3) == "\037\213\225") //and (substr($magic,3,1) & 0x3e) == 0)
373 $this->fp = fopen($this->zipfile, "rb");
374 $content = $this->_read(filesize($this->fp));
376 $content = $this->buf;
379 $data = zip_deflate($content);
380 return array($filename, $data, $attrib);
382 if ($magic != ZIP_CENTHEAD_MAGIC)
383 // FIXME: better message?
384 ExitWiki(sprintf("Unsupported ZIP header type: %s", $magic));
385 return $this->done();
387 if (($flags & 0x21) != 0)
388 ExitWiki("Encryption and/or zip patches not supported.");
389 if (($flags & 0x08) != 0)
390 // FIXME: better message?
391 ExitWiki("Postponed CRC not yet supported.");
393 $filename = $this->_read($filename_len);
394 //FIXME: we should probably check $req_version.
395 $attrib['mtime'] = dostime2unixtime($mod_date, $mod_time);
396 if ($extrafld_len != 0)
397 $attrib['extra_field'] = $this->_read($extrafld_len);
399 $data = $this->_read($comp_size);
401 if ($comp_type == ZIP_DEFLATE) {
402 $data = zip_inflate($data, $crc32, $uncomp_size);
403 } elseif ($comp_type == ZIP_STORE) {
404 $crc = zip_crc32($data);
406 ExitWiki(sprintf("CRC mismatch %x != %x", $crc, $crc32));
408 ExitWiki(sprintf("Compression method %s unsupported",
411 if (strlen($data) != $uncomp_size)
412 ExitWiki(sprintf("Uncompressed size mismatch %d != %d",
413 strlen($data), $uncomp_size));
415 return array($filename, $data, $attrib);
420 * Routines for Mime mailification of pages.
422 //FIXME: these should go elsewhere (libmime?).
425 * Routines for quoted-printable en/decoding.
427 function QuotedPrintableEncode($string)
429 // Quote special characters in line.
432 // The complicated regexp is to force quoting of trailing spaces.
433 preg_match('/^([ !-<>-~]*)(?:([!-<>-~]$)|(.))/s', $string, $match);
434 $quoted .= $match[1] . $match[2];
435 if (!empty($match[3]))
436 $quoted .= sprintf("=%02X", ord($match[3]));
437 $string = substr($string, strlen($match[0]));
440 // This splits the line (preferably after white-space) into lines
441 // which are no longer than 76 chars (after adding trailing '=' for
442 // soft line break, but before adding \r\n.)
443 return preg_replace('/(?=.{77})(.{10,74}[ \t]|.{71,73}[^=][^=])/s',
444 "\\1=\r\n", $quoted);
447 function QuotedPrintableDecode($string)
449 // Eliminate soft line-breaks.
450 $string = preg_replace('/=[ \t\r]*\n/', '', $string);
451 return quoted_printable_decode($string);
454 define('MIME_TOKEN_REGEXP', "[-!#-'*+.0-9A-Z^-~]+");
456 function MimeContentTypeHeader($type, $subtype, $params)
458 $header = "Content-Type: $type/$subtype";
460 while (list($key, $val) = each($params)) {
461 //FIXME: what about non-ascii printables in $val?
462 if (!preg_match('/^' . MIME_TOKEN_REGEXP . '$/', $val))
463 $val = '"' . addslashes($val) . '"';
464 $header .= ";\r\n $key=$val";
466 return "$header\r\n";
469 function MimeMultipart($parts)
471 global $mime_multipart_count;
473 // The string "=_" can not occur in quoted-printable encoded data.
474 $boundary = "=_multipart_boundary_" . ++$mime_multipart_count;
476 $head = MimeContentTypeHeader('multipart', 'mixed',
477 array('boundary' => $boundary));
479 $sep = "\r\n--$boundary\r\n";
481 return $head . $sep . implode($sep, $parts) . "\r\n--${boundary}--\r\n";
486 * http://www.nacs.uci.edu/indiv/ehood/MIME/2045/rfc2045.html
487 * http://www.faqs.org/rfcs/rfc2045.html
488 * (RFC 1521 has been superceeded by RFC 2045 & others).
490 * Also see http://www.faqs.org/rfcs/rfc2822.html
493 * Notes on content-transfer-encoding.
495 * "7bit" means short lines of US-ASCII.
496 * "8bit" means short lines of octets with (possibly) the high-order bit set.
497 * "binary" means lines are not necessarily short enough for SMTP
498 * transport, and non-ASCII characters may be present.
500 * Only "7bit", "quoted-printable", and "base64" are universally safe
501 * for transport via e-mail. (Though many MTAs can/will be configured to
502 * automatically convert encodings to a safe type if they receive
503 * mail encoded in '8bit' and/or 'binary' encodings.
505 function MimeifyPageRevision(&$page, &$revision)
507 // $wikidb =& $revision->_wikidb;
508 // $page = $wikidb->getPage($revision->getName());
509 // FIXME: add 'hits' to $params
510 $params = array('pagename' => $page->getName(),
512 'author' => $revision->get('author'),
513 'owner' => $page->getOwner(),
514 'version' => $revision->getVersion(),
515 'lastmodified' => $revision->get('mtime'));
517 if ($page->get('mtime'))
518 $params['created'] = $page->get('mtime');
519 if ($page->get('locked'))
520 $params['flags'] = 'PAGE_LOCKED';
521 if (ENABLE_EXTERNAL_PAGES && $page->get('external'))
522 $params['flags'] = ($params['flags'] ? $params['flags'] . ',EXTERNAL_PAGE' : 'EXTERNAL_PAGE');
523 if ($revision->get('author_id'))
524 $params['author_id'] = $revision->get('author_id');
525 if ($revision->get('summary'))
526 $params['summary'] = $revision->get('summary');
527 if ($page->get('hits'))
528 $params['hits'] = $page->get('hits');
529 if ($page->get('owner'))
530 $params['owner'] = $page->get('owner');
531 if ($page->get('perm') and class_exists('PagePermission')) {
532 $acl = getPagePermissions($page);
533 $params['acl'] = $acl->asAclLines();
534 //TODO: convert to multiple lines? acl-view => groups,...; acl-edit => groups,...
537 // Non-US-ASCII is not allowed in Mime headers (at least not without
538 // special handling) --- so we urlencode all parameter values.
539 foreach ($params as $key => $val)
540 $params[$key] = rawurlencode($val);
541 if (isset($params['acl']))
542 // default: "view:_EVERY; edit:_AUTHENTICATED; create:_AUTHENTICATED,_BOGOUSER; ".
543 // "list:_EVERY; remove:_ADMIN,_OWNER; change:_ADMIN,_OWNER; dump:_EVERY; "
544 $params['acl'] = str_replace(array("%3A", "%3B%20", "%2C"), array(":", "; ", ","), $params['acl']);
546 $out = MimeContentTypeHeader('application', 'x-phpwiki', $params);
547 $out .= sprintf("Content-Transfer-Encoding: %s\r\n",
548 STRICT_MAILABLE_PAGEDUMPS ? 'quoted-printable' : 'binary');
552 foreach ($revision->getContent() as $line) {
553 // This is a dirty hack to allow saving binary text files. See above.
554 $line = rtrim($line);
555 if (STRICT_MAILABLE_PAGEDUMPS)
556 $line = QuotedPrintableEncode(rtrim($line));
563 * Routines for parsing Mime-ified phpwiki pages.
565 function ParseRFC822Headers(&$string)
567 if (preg_match("/^From (.*)\r?\n/", $string, $match)) {
568 $headers['from '] = preg_replace('/^\s+|\s+$/', '', $match[1]);
569 $string = substr($string, strlen($match[0]));
572 while (preg_match('/^([!-9;-~]+) [ \t]* : [ \t]* '
573 . '( .* \r?\n (?: [ \t] .* \r?\n)* )/x',
575 $headers[strtolower($match[1])]
576 = preg_replace('/^\s+|\s+$/', '', $match[2]);
577 $string = substr($string, strlen($match[0]));
583 if (strlen($string) > 0) {
584 if (!preg_match("/^\r?\n/", $string, $match)) {
585 // No blank line after headers.
588 $string = substr($string, strlen($match[0]));
594 function ParseMimeContentType($string)
596 // FIXME: Remove (RFC822 style comments).
599 if (!preg_match(':^\s*(' . MIME_TOKEN_REGEXP . ')\s*'
601 . '\s*(' . MIME_TOKEN_REGEXP . ')\s*:x',
604 ExitWiki(sprintf("Bad %s", 'MIME content-type'));
606 $type = strtolower($match[1]);
607 $subtype = strtolower($match[2]);
608 $string = substr($string, strlen($match[0]));
611 while (preg_match('/^;\s*(' . MIME_TOKEN_REGEXP . ')\s*=\s*'
612 . '(?:(' . MIME_TOKEN_REGEXP . ')|"((?:[^"\\\\]|\\.)*)") \s*/sx',
614 //" <--kludge for brain-dead syntax coloring
615 if (strlen($match[2]))
618 $val = preg_replace('/[\\\\](.)/s', '\\1', $match[3]);
620 $param[strtolower($match[1])] = $val;
622 $string = substr($string, strlen($match[0]));
625 return array($type, $subtype, $param);
628 function ParseMimeMultipart($data, $boundary)
631 ExitWiki("No boundary?");
633 $boundary = preg_quote($boundary);
635 while (preg_match("/^(|.*?\n)--$boundary((?:--)?)[^\n]*\n/s",
637 $data = substr($data, strlen($match[0]));
639 $parts = array(); // First time through: discard leading chaff
641 if ($content = ParseMimeifiedPages($match[1]))
642 for (reset($content); $p = current($content); next($content))
647 return $parts; // End boundary found.
649 ExitWiki("No end boundary?");
652 function GenerateFootnotesFromRefs($params)
654 $footnotes = array();
656 while (list($p, $reference) = each($params)) {
657 if (preg_match('/^ref([1-9][0-9]*)$/', $p, $m))
658 $footnotes[$m[1]] = sprintf(_("[%d] See [%s]"),
659 $m[1], rawurldecode($reference));
662 if (sizeof($footnotes) > 0) {
665 . "!" . _("References") . "\n"
666 . join("\n%%%\n", $footnotes) . "\n";
671 // counterpart to $acl->asAclLines() and rawurl undecode
672 // default: "view:_EVERY; edit:_AUTHENTICATED; create:_AUTHENTICATED,_BOGOUSER; ".
673 // "list:_EVERY; remove:_ADMIN,_OWNER; change:_ADMIN,_OWNER; dump:_EVERY; "
674 function ParseMimeifiedPerm($string)
676 if (!class_exists('PagePermission')) {
680 foreach (explode(";", trim($string)) as $accessgroup) {
681 list($access, $groupstring) = explode(":", trim($accessgroup));
682 $access = trim($access);
683 $groups = explode(",", trim($groupstring));
684 foreach ($groups as $group) {
685 $group = trim($group);
686 $bool = (boolean)(substr($group, 0, 1) != '-');
687 if (substr($group, 0, 1) == '-' or substr($group, 0, 1) == '+')
688 $group = substr($group, 1);
689 $hash[$access][$group] = $bool;
692 $perm = new PagePermission($hash);
694 return serialize($perm->perm);
697 // Convert references in meta-data to footnotes.
698 // Only zip archives generated by phpwiki 1.2.x or earlier should have
700 function ParseMimeifiedPages($data)
702 if (!($headers = ParseRFC822Headers($data))
703 || empty($headers['content-type'])
705 //trigger_error( sprintf(_("Can't find %s"),'content-type header'),
709 $typeheader = $headers['content-type'];
711 if (!(list ($type, $subtype, $params) = ParseMimeContentType($typeheader))) {
712 trigger_error(sprintf("Can't parse %s: (%s)",
713 'content-type', $typeheader),
717 if ("$type/$subtype" == 'multipart/mixed') {
718 return ParseMimeMultipart($data, $params['boundary']);
719 } elseif ("$type/$subtype" != 'application/x-phpwiki') {
720 trigger_error(sprintf("Bad %s", "content-type: $type/$subtype"),
725 // FIXME: more sanity checking?
728 $versiondata = array();
729 if (isset($headers['date']))
730 $pagedata['date'] = strtotime($headers['date']);
732 //DONE: support owner and acl
733 foreach ($params as $key => $value) {
736 $value = rawurldecode($value);
740 $page[$key] = $value;
743 if (preg_match('/PAGE_LOCKED/', $value))
744 $pagedata['locked'] = 'yes';
745 if (ENABLE_EXTERNAL_PAGES && preg_match('/EXTERNAL_PAGE/', $value))
746 $pagedata['external'] = 'yes';
751 $pagedata[$key] = $value;
755 if (class_exists('PagePermission')) {
756 $pagedata['perm'] = ParseMimeifiedPerm($value);
760 $versiondata['mtime'] = $value;
766 $versiondata[$key] = $value;
771 // FIXME: do we need to try harder to find a pagename if we
772 // haven't got one yet?
773 if (!isset($versiondata['author'])) {
775 if (is_object($request)) {
776 $user = $request->getUser();
777 $versiondata['author'] = $user->getId(); //FIXME:?
781 $encoding = strtolower($headers['content-transfer-encoding']);
782 if ($encoding == 'quoted-printable')
783 $data = QuotedPrintableDecode($data);
784 else if ($encoding && $encoding != 'binary')
785 ExitWiki(sprintf("Unknown %s", 'encoding type: $encoding'));
787 $data .= GenerateFootnotesFromRefs($params);
789 $page['content'] = preg_replace('/[ \t\r]*\n/', "\n", chop($data));
790 $page['pagedata'] = $pagedata;
791 $page['versiondata'] = $versiondata;
800 // c-hanging-comment-ender-p: nil
801 // indent-tabs-mode: nil