2 // PukiWiki - Yet another WikiWikiWeb clone.
3 // $Id: html.php,v 1.66 2011/01/25 15:01:01 henoheno Exp $
5 // 2002-2006 PukiWiki Developers Team
6 // 2001-2002 Originally written by yu-ji
7 // License: GPL v2 or (at your option) any later version
9 // HTML-publishing related functions
12 function catbody($title, $page, $body)
14 global $script, $vars, $arg, $defaultpage, $whatsnew, $help_page, $hr;
15 global $attach_link, $related_link, $cantedit, $function_freeze;
16 global $search_word_color, $_msg_word, $foot_explain, $note_hr, $head_tags;
17 global $javascript, $nofollow;
18 global $_LANG, $_LINK, $_IMAGE;
19 global $auth_type, $auth_user;
21 global $pkwk_dtd; // XHTML 1.1, XHTML1.0, HTML 4.01 Transitional...
22 global $page_title; // Title of this site
23 global $do_backup; // Do backup or not
24 global $modifier; // Site administrator's web page
25 global $modifierlink; // Site administrator's name
27 $enable_login = false;
28 $enable_logout = false;
29 if (AUTH_TYPE_FORM === $auth_type || AUTH_TYPE_EXTERNAL === $auth_type) {
31 $enable_logout = true;
35 } else if (AUTH_TYPE_BASIC === $auth_type) {
37 $enable_logout = true;
40 if (! file_exists(SKIN_FILE) || ! is_readable(SKIN_FILE))
41 die_message('SKIN_FILE is not found');
43 $_LINK = $_IMAGE = array();
45 // Add JavaScript header when ...
46 if (! PKWK_ALLOW_JAVASCRIPT) unset($javascript);
48 $_page = isset($vars['page']) ? $vars['page'] : '';
49 $r_page = pagename_urlencode($_page);
51 // Set $_LINK for skin
52 $_LINK['add'] = "$script?cmd=add&page=$r_page";
53 $_LINK['backup'] = "$script?cmd=backup&page=$r_page";
54 $_LINK['copy'] = "$script?plugin=template&refer=$r_page";
55 $_LINK['diff'] = "$script?cmd=diff&page=$r_page";
56 $_LINK['edit'] = "$script?cmd=edit&page=$r_page";
57 $_LINK['filelist'] = "$script?cmd=filelist";
58 $_LINK['freeze'] = "$script?cmd=freeze&page=$r_page";
59 $_LINK['help'] = "$script?" . pagename_urlencode($help_page);
60 $_LINK['list'] = "$script?cmd=list";
61 $_LINK['new'] = "$script?plugin=newpage&refer=$r_page";
62 $_LINK['rdf'] = "$script?cmd=rss&ver=1.0";
63 $_LINK['recent'] = "$script?" . pagename_urlencode($whatsnew);
64 $_LINK['reload'] = "$script?$r_page";
65 $_LINK['rename'] = "$script?plugin=rename&refer=$r_page";
66 $_LINK['rss'] = "$script?cmd=rss";
67 $_LINK['rss10'] = "$script?cmd=rss&ver=1.0"; // Same as 'rdf'
68 $_LINK['rss20'] = "$script?cmd=rss&ver=2.0";
69 $_LINK['search'] = "$script?cmd=search";
70 $_LINK['top'] = "$script?" . pagename_urlencode($defaultpage);
71 $_LINK['unfreeze'] = "$script?cmd=unfreeze&page=$r_page";
72 $_LINK['upload'] = "$script?plugin=attach&pcmd=upload&page=$r_page";
75 $login_link = "$script?plugin=loginform&pcmd=login&page=$r_page";
77 case AUTH_TYPE_EXTERNAL:
78 $login_link = get_auth_external_login_url($_page, $_LINK['reload']);
81 $_LINK['login'] = htmlsc($login_link);
82 $_LINK['logout'] = "$script?plugin=loginform&pcmd=logout&page=$r_page";
84 // Compat: Skins for 1.4.4 and before
85 $link_add = & $_LINK['add'];
86 $link_new = & $_LINK['new']; // New!
87 $link_edit = & $_LINK['edit'];
88 $link_diff = & $_LINK['diff'];
89 $link_top = & $_LINK['top'];
90 $link_list = & $_LINK['list'];
91 $link_filelist = & $_LINK['filelist'];
92 $link_search = & $_LINK['search'];
93 $link_whatsnew = & $_LINK['recent'];
94 $link_backup = & $_LINK['backup'];
95 $link_help = & $_LINK['help'];
96 $link_trackback = ''; // Removed (compat)
97 $link_rdf = & $_LINK['rdf']; // New!
98 $link_rss = & $_LINK['rss'];
99 $link_rss10 = & $_LINK['rss10']; // New!
100 $link_rss20 = & $_LINK['rss20']; // New!
101 $link_freeze = & $_LINK['freeze'];
102 $link_unfreeze = & $_LINK['unfreeze'];
103 $link_upload = & $_LINK['upload'];
104 $link_template = & $_LINK['copy'];
105 $link_refer = ''; // Removed (compat)
106 $link_rename = & $_LINK['rename'];
109 $is_page = (is_pagename($_page) && ! arg_check('backup') && $_page != $whatsnew);
110 $is_read = (arg_check('read') && is_page($_page));
111 $is_freeze = is_freeze($_page);
113 // Last modification date (string) of the page
114 $lastmodified = $is_read ? format_date(get_filetime($_page)) .
115 ' ' . get_pg_passage($_page, FALSE) : '';
117 // List of attached files to the page
118 $attaches = ($attach_link && $is_read && exist_plugin_action('attach')) ?
119 attach_filelist() : '';
121 // List of related pages
122 $related = ($related_link && $is_read) ? make_related($_page) : '';
125 ksort($foot_explain, SORT_NUMERIC);
126 $notes = ! empty($foot_explain) ? $note_hr . join("\n", $foot_explain) : '';
128 // Tags will be inserted into <head></head>
129 $head_tag = ! empty($head_tags) ? join("\n", $head_tags) ."\n" : '';
132 // Last modification date (UNIX timestamp) of the page
133 $fmt = $is_read ? get_filetime($_page) + LOCALZONE : 0;
136 if ($search_word_color && isset($vars['word'])) {
137 $body = '<div class="small">' . $_msg_word . htmlsc($vars['word']) .
138 '</div>' . $hr . "\n" . $body;
140 // BugTrack2/106: Only variables can be passed by reference from PHP 5.0.5
141 // with array_splice(), array_flip()
142 $words = preg_split('/\s+/', $vars['word'], -1, PREG_SPLIT_NO_EMPTY);
143 $words = array_splice($words, 0, 10); // Max: 10 words
144 $words = array_flip($words);
147 foreach ($words as $word=>$id) $keys[$word] = strlen($word);
148 arsort($keys, SORT_NUMERIC);
149 $keys = get_search_words(array_keys($keys), TRUE);
151 foreach ($keys as $key=>$pattern) {
152 $s_key = htmlsc($key);
154 '<textarea[^>]*>.*?<\/textarea>' . // Ignore textareas
155 '|' . '<[^>]*>' . // Ignore tags
156 '|' . '&[^;]+;' . // Ignore entities
157 '|' . '(' . $pattern . ')' . // $matches[1]: Regex for a search word
159 $decorate_Nth_word = create_function(
161 'return (isset($matches[1])) ? ' .
162 '\'<strong class="word' .
164 '">\' . $matches[1] . \'</strong>\' : ' .
167 $body = preg_replace_callback($pattern, $decorate_Nth_word, $body);
168 $notes = preg_replace_callback($pattern, $decorate_Nth_word, $notes);
173 // Compat: 'HTML convert time' without time about MenuBar and skin
174 $taketime = elapsedtime();
180 function edit_form($page, $postdata, $digest = FALSE, $b_template = TRUE)
182 global $script, $vars, $rows, $cols, $hr, $function_freeze;
183 global $_btn_preview, $_btn_repreview, $_btn_update, $_btn_cancel, $_msg_help;
184 global $whatsnew, $_btn_template, $_btn_load, $load_template_func;
185 global $notimeupdate;
187 // Newly generate $digest or not
188 if ($digest === FALSE) $digest = md5(join('', get_source($page)));
190 $refer = $template = '';
193 $addtag = $add_top = '';
194 if(isset($vars['add'])) {
196 $addtag = '<input type="hidden" name="add" value="true" />';
197 $add_top = isset($vars['add_top']) ? ' checked="checked"' : '';
198 $add_top = '<input type="checkbox" name="add_top" ' .
199 'id="_edit_form_add_top" value="true"' . $add_top . ' />' . "\n" .
200 ' <label for="_edit_form_add_top">' .
201 '<span class="small">' . $_btn_addtop . '</span>' .
205 if($load_template_func && $b_template) {
207 foreach(get_existpages() as $_page) {
208 if ($_page == $whatsnew || check_non_list($_page))
210 $s_page = htmlsc($_page);
211 $pages[$_page] = ' <option value="' . $s_page . '">' .
212 $s_page . '</option>';
214 ksort($pages, SORT_STRING);
215 $s_pages = join("\n", $pages);
217 <select name="template_page">
218 <option value="">-- $_btn_template --</option>
221 <input type="submit" name="template" value="$_btn_load" accesskey="r" />
225 if (isset($vars['refer']) && $vars['refer'] != '')
226 $refer = '[[' . strip_bracket($vars['refer']) . ']]' . "\n\n";
229 $r_page = rawurlencode($page);
230 $s_page = htmlsc($page);
231 $s_digest = htmlsc($digest);
232 $s_postdata = htmlsc($refer . $postdata);
233 $s_original = isset($vars['original']) ? htmlsc($vars['original']) : $s_postdata;
234 $b_preview = isset($vars['preview']); // TRUE when preview
235 $btn_preview = $b_preview ? $_btn_repreview : $_btn_preview;
237 // Checkbox 'do not change timestamp'
238 $add_notimestamp = '';
239 if ($notimeupdate != 0) {
240 global $_btn_notchangetimestamp;
241 $checked_time = isset($vars['notimestamp']) ? ' checked="checked"' : '';
242 // Only for administrator
243 if ($notimeupdate == 2) {
244 $add_notimestamp = ' ' .
245 '<input type="password" name="pass" size="12" />' . "\n";
247 $add_notimestamp = '<input type="checkbox" name="notimestamp" ' .
248 'id="_edit_form_notimestamp" value="true"' . $checked_time . ' />' . "\n" .
249 ' ' . '<label for="_edit_form_notimestamp"><span class="small">' .
250 $_btn_notchangetimestamp . '</span></label>' . "\n" .
255 // 'margin-bottom', 'float:left', and 'margin-top'
256 // are for layout of 'cancel button'
258 <div class="edit_form">
259 <form action="$script" method="post" style="margin-bottom:0px;">
262 <input type="hidden" name="cmd" value="edit" />
263 <input type="hidden" name="page" value="$s_page" />
264 <input type="hidden" name="digest" value="$s_digest" />
265 <textarea name="msg" rows="$rows" cols="$cols">$s_postdata</textarea>
267 <div style="float:left;">
268 <input type="submit" name="preview" value="$btn_preview" accesskey="p" />
269 <input type="submit" name="write" value="$_btn_update" accesskey="s" />
273 <textarea name="original" rows="1" cols="1" style="display:none">$s_original</textarea>
275 <form action="$script" method="post" style="margin-top:0px;">
276 <input type="hidden" name="cmd" value="edit" />
277 <input type="hidden" name="page" value="$s_page" />
278 <input type="submit" name="cancel" value="$_btn_cancel" accesskey="c" />
283 if (isset($vars['help'])) {
284 $body .= $hr . catrule();
286 $body .= '<ul><li><a href="' .
287 $script . '?cmd=edit&help=true&page=' . $r_page .
288 '">' . $_msg_help . '</a></li></ul>';
295 function make_related($page, $tag = '')
297 global $script, $vars, $rule_related_str, $related_str;
298 global $_ul_left_margin, $_ul_margin, $_list_pad_str;
300 $links = links_get_related($page);
303 ksort($links, SORT_STRING); // Page name, alphabetical order
305 arsort($links, SORT_NUMERIC); // Last modified date, newer
309 foreach ($links as $page=>$lastmod) {
310 if (check_non_list($page)) continue;
312 $r_page = pagename_urlencode($page);
313 $s_page = htmlsc($page);
314 $passage = get_passage($lastmod);
316 '<a href="' . $script . '?' . $r_page . '" title="' .
317 $s_page . ' ' . $passage . '">' . $s_page . '</a>' :
318 '<a href="' . $script . '?' . $r_page . '">' .
319 $s_page . '</a>' . $passage;
321 if (empty($_links)) return ''; // Nothing
323 if ($tag == 'p') { // From the line-head
324 $margin = $_ul_left_margin + $_ul_margin;
325 $style = sprintf($_list_pad_str, 1, $margin, $margin);
326 $retval = "\n" . '<ul' . $style . '>' . "\n" .
327 '<li>' . join($rule_related_str, $_links) . '</li>' . "\n" .
330 $retval = join($rule_related_str, $_links);
332 $retval = join($related_str, $_links);
338 // User-defined rules (convert without replacing source)
339 function make_line_rules($str)
342 static $pattern, $replace;
344 if (! isset($pattern)) {
345 $pattern = array_map(create_function('$a',
346 'return \'/\' . $a . \'/\';'), array_keys($line_rules));
347 $replace = array_values($line_rules);
351 return preg_replace($pattern, $replace, $str);
354 // Remove all HTML tags(or just anchor tags), and WikiName-speific decorations
355 function strip_htmltag($str, $all = TRUE)
357 global $_symbol_noexists;
358 static $noexists_pattern;
360 if (! isset($noexists_pattern))
361 $noexists_pattern = '#<span class="noexists">([^<]*)<a[^>]+>' .
362 preg_quote($_symbol_noexists, '#') . '</a></span>#';
364 // Strip Dagnling-Link decoration (Tags and "$_symbol_noexists")
365 $str = preg_replace($noexists_pattern, '$1', $str);
368 // All other HTML tags
369 return preg_replace('#<[^>]+>#', '', $str);
371 // All other anchor-tags only
372 return preg_replace('#<a[^>]+>|</a>#i', '', $str);
376 // Remove AutoLink marker with AutLink itself
377 function strip_autolink($str)
379 return preg_replace('#<!--autolink--><a [^>]+>|</a><!--/autolink-->#', '', $str);
382 // Make a backlink. searching-link of the page name, by the page name, for the page name
383 function make_search($page)
387 $s_page = htmlsc($page);
388 $r_page = rawurlencode($page);
390 return '<a href="' . $script . '?plugin=related&page=' . $r_page .
391 '">' . $s_page . '</a> ';
394 // Make heading string (remove heading-related decorations from Wiki text)
395 function make_heading(& $str, $strip = TRUE)
399 // Cut fixed-heading anchors
402 if (preg_match('/^(\*{0,3})(.*?)\[#([A-Za-z][\w-]+)\](.*?)$/m', $str, $matches)) {
403 $str = $matches[2] . $matches[4];
406 $str = preg_replace('/^\*{0,3}/', '', $str);
409 // Cut footnotes and tags
411 $str = strip_htmltag(make_link(preg_replace($NotePattern, '', $str)));
416 // Separate a page-name(or URL or null string) and an anchor
417 // (last one standing) without sharp
418 function anchor_explode($page, $strict_editable = FALSE)
420 $pos = strrpos($page, '#');
421 if ($pos === FALSE) return array($page, '', FALSE);
423 // Ignore the last sharp letter
424 if ($pos + 1 == strlen($page)) {
425 $pos = strpos(substr($page, $pos + 1), '#');
426 if ($pos === FALSE) return array($page, '', FALSE);
429 $s_page = substr($page, 0, $pos);
430 $anchor = substr($page, $pos + 1);
432 if($strict_editable === TRUE && preg_match('/^[a-z][a-f0-9]{7}$/', $anchor)) {
433 return array ($s_page, $anchor, TRUE); // Seems fixed-anchor
435 return array ($s_page, $anchor, FALSE);
439 // Check HTTP header()s were sent already, or
440 // there're blank lines or something out of php blocks
441 function pkwk_headers_sent()
443 if (PKWK_OPTIMISE) return;
446 if (version_compare(PHP_VERSION, '4.3.0', '>=')) {
447 if (headers_sent($file, $line))
448 die('Headers already sent at ' .
450 ' line ' . $line . '.');
453 die('Headers already sent.');
457 // Output common HTTP headers
458 function pkwk_common_headers()
460 if (! PKWK_OPTIMISE) pkwk_headers_sent();
462 if(defined('PKWK_ZLIB_LOADABLE_MODULE')) {
464 if(ini_get('zlib.output_compression') &&
465 preg_match('/\b(gzip|deflate)\b/i', $_SERVER['HTTP_ACCEPT_ENCODING'], $matches)) {
466 // Bug #29350 output_compression compresses everything _without header_ as loadable module
467 // http://bugs.php.net/bug.php?id=29350
468 header('Content-Encoding: ' . $matches[1]);
469 header('Vary: Accept-Encoding');
475 define('PKWK_DTD_XHTML_1_1', 17); // Strict only
476 define('PKWK_DTD_XHTML_1_0', 16); // Strict
477 define('PKWK_DTD_XHTML_1_0_STRICT', 16);
478 define('PKWK_DTD_XHTML_1_0_TRANSITIONAL', 15);
479 define('PKWK_DTD_XHTML_1_0_FRAMESET', 14);
480 define('PKWK_DTD_HTML_4_01', 3); // Strict
481 define('PKWK_DTD_HTML_4_01_STRICT', 3);
482 define('PKWK_DTD_HTML_4_01_TRANSITIONAL', 2);
483 define('PKWK_DTD_HTML_4_01_FRAMESET', 1);
485 define('PKWK_DTD_TYPE_XHTML', 1);
486 define('PKWK_DTD_TYPE_HTML', 0);
488 // Output HTML DTD, <html> start tag. Return content-type.
489 function pkwk_output_dtd($pkwk_dtd = PKWK_DTD_XHTML_1_1, $charset = CONTENT_CHARSET)
492 if (isset($called)) die('pkwk_output_dtd() already called. Why?');
495 $type = PKWK_DTD_TYPE_XHTML;
498 case PKWK_DTD_XHTML_1_1 :
500 $dtd = 'http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd';
502 case PKWK_DTD_XHTML_1_0_STRICT :
505 $dtd = 'http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd';
507 case PKWK_DTD_XHTML_1_0_TRANSITIONAL:
509 $option = 'Transitional';
510 $dtd = 'http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd';
513 case PKWK_DTD_HTML_4_01_STRICT :
514 $type = PKWK_DTD_TYPE_HTML;
516 $dtd = 'http://www.w3.org/TR/html4/strict.dtd';
518 case PKWK_DTD_HTML_4_01_TRANSITIONAL:
519 $type = PKWK_DTD_TYPE_HTML;
521 $option = 'Transitional';
522 $dtd = 'http://www.w3.org/TR/html4/loose.dtd';
525 default: die('DTD not specified or invalid DTD');
529 $charset = htmlsc($charset);
532 if ($type == PKWK_DTD_TYPE_XHTML) echo '<?xml version="1.0" encoding="' . $charset . '" ?>' . "\n";
535 echo '<!DOCTYPE html PUBLIC "-//W3C//DTD ' .
536 ($type == PKWK_DTD_TYPE_XHTML ? 'XHTML' : 'HTML') . ' ' .
538 ($option != '' ? ' ' . $option : '') .
543 // Output <html> start tag
545 if ($type == PKWK_DTD_TYPE_XHTML) {
546 echo ' xmlns="http://www.w3.org/1999/xhtml"'; // dir="ltr" /* LeftToRight */
547 echo ' xml:lang="' . LANG . '"';
548 if ($version == '1.0') echo ' lang="' . LANG . '"'; // Only XHTML 1.0
550 echo ' lang="' . LANG . '"'; // HTML
552 echo '>' . "\n"; // <html>
554 // Return content-type (with MIME type)
555 if ($type == PKWK_DTD_TYPE_XHTML) {
556 // NOTE: XHTML 1.1 browser will ignore http-equiv
557 return '<meta http-equiv="content-type" content="application/xhtml+xml; charset=' . $charset . '" />' . "\n";
559 return '<meta http-equiv="content-type" content="text/html; charset=' . $charset . '" />' . "\n";