/old_index.php
PHP | 685 lines | 605 code | 72 blank | 8 comment | 88 complexity | 28777d33acc2db81784a37e28f120fdd MD5 | raw file
- <?php // LionWiki 3.2.4, (c) Adam Zivner, licensed under GNU/GPL v2
- foreach($_REQUEST as $k => $v)
- unset($$k); // register_globals = off
-
- // SETTINGS - default settings, can be overridden in config.php
- $WIKI_TITLE = 'My new wiki'; // name of the site
- $PASSWORD = ''; // SHA1 hash
-
- $TEMPLATE = 'templates/dandelion.html'; // presentation template
- $PROTECTED_READ = false; // if true, you need to fill password for reading pages too
- $NO_HTML = true; // XSS protection
-
- $START_PAGE = 'Main page'; // Which page should be default (start page)?
- $SYNTAX_PAGE = 'http://lionwiki.0o.cz/?page=Syntax+reference';
-
- $DATE_FORMAT = 'Y/m/d H:i';
- $LOCAL_HOUR = 0;
-
- @error_reporting(E_ERROR | E_WARNING | E_PARSE);
- @ini_set('default_charset', 'UTF-8');
- set_magic_quotes_runtime(0);
- umask(0);
-
- if(get_magic_quotes_gpc()) // magic_quotes_gpc can't be turned off
- for($i = 0, $_SG = array(&$_GET, &$_POST, &$_COOKIE, &$_REQUEST), $c = count($_SG); $i < $c; ++$i)
- $_SG[$i] = array_map('stripslashes', $_SG[$i]);
-
- $self = basename($_SERVER['PHP_SELF']);
- $REAL_PATH = realpath(dirname(__FILE__)).'/';
- $VAR_DIR = 'var/';
- $PG_DIR = $VAR_DIR.'pages/';
- $HIST_DIR = $VAR_DIR.'history/';
- $PLUGINS_DIR = 'plugins/';
- $PLUGINS_DATA_DIR = $VAR_DIR.'plugins/';
- $LANG_DIR = 'lang/';
-
- @include('config.php'); // config file is not required, see settings above
-
- // default translation
- $T_HOME = 'Main page';
- $T_SYNTAX = 'Syntax';
- $T_DONE = 'Save changes';
- $T_DISCARD_CHANGES = 'Discard changes';
- $T_PREVIEW = 'Preview';
- $T_SEARCH = 'Search';
- $T_SEARCH_RESULTS = 'Search results';
- $T_LIST_OF_ALL_PAGES = 'List of all pages';
- $T_RECENT_CHANGES = 'Recent changes';
- $T_LAST_CHANGED = 'Last changed';
- $T_HISTORY = 'History';
- $T_RESTORE = 'Restore';
- $T_REV_DIFF = '<b>Difference between revisions from {REVISION1} and {REVISION2}.</b>';
- $T_REVISION = "'''This revision is from {TIME}. You can {RESTORE} it.'''\n\n";
- $T_PASSWORD = 'Password';
- $T_EDIT = 'Edit';
- $T_EDIT_SUMMARY = 'Summary of changes';
- $T_EDIT_CONFLICT = 'Edit conflict: somebody saved this page after you started editing. See last {DIFF} before saving your changes.';
- $T_SHOW_SOURCE = 'Show source';
- $T_SHOW_PAGE = 'Show page';
- $T_ERASE_COOKIE = 'Erase cookies';
- $T_MOVE_TEXT = 'New name';
- $T_DIFF = 'diff';
- $T_CREATE_PAGE = 'Create page';
- $T_PROTECTED_READ = 'You need to enter password to view content of site: ';
- $T_WRONG_PASSWORD = 'Password is incorrect.';
-
- if($_GET['lang']) {
- $LANG = clear_path($_GET['lang']);
- setcookie('LW_LANG', $LANG, time() + 365 * 86400);
- } elseif($_COOKIE['LW_LANG'])
- $LANG = clear_path($_COOKIE['LW_LANG']);
- else
- list($LANG) = explode(',', $_SERVER['HTTP_ACCEPT_LANGUAGE']);
-
- if((@include("$LANG_DIR$LANG.php")) === false && (@include($LANG_DIR . substr($LANG, 0, 2) . '.php')) === false)
- $LANG = 'en';
-
- // Creating essential directories if they don't exist
- if(!file_exists($VAR_DIR) && !mkdir(rtrim($VAR_DIR, "/")))
- die("Can't create directory $VAR_DIR. Please create $VAR_DIR with 0777 rights.");
- else foreach(array($PG_DIR, $HIST_DIR, $PLUGINS_DATA_DIR) as $DIR)
- if(@mkdir(rtrim($DIR, '/'), 0777)) {
- $f = fopen($DIR . ".htaccess", "w"); fwrite($f, "deny from all"); fclose($f); }
-
- if($_GET['erasecookie']) // remove cookie without reloading
- foreach($_COOKIE as $k => $v)
- if(substr($k, 0, 3) == 'LW_') {
- setcookie($k);
- unset($_COOKIE[$k]);
- }
-
- for($plugins = array(), $dir = @opendir($PLUGINS_DIR); $dir && $f = readdir($dir);) // load plugins
- if(preg_match('/wkp_(.+)\.php$/', $f, $m) > 0) {
- require $PLUGINS_DIR . $f;
- $plugins[$m[1]] = new $m[1]();
-
- if(isset($$m[1]))
- foreach($$m[1] as $name => $value)
- $plugins[$m[1]]->$name = $value;
- }
-
- plugin('pluginsLoaded');
-
- foreach(array('action', 'content', 'error', 'esum', 'f1', 'f2', 'last_changed', 'moveto', 'page', 'par', 'preview', 'query', 'restore', 'sc', 'showsource', 'time') as $req)
- $$req = $_REQUEST[$req]; // export request variables to global namespace
-
- $TITLE = $page = clear_path($page); $moveto = clear_path($moveto); $f1 = clear_path($f1); $f2 = clear_path($f2);
- $CON = $content;
-
- plugin('actionBegin');
-
- if(!$action)
- if(!$page)
- die(header("Location:$self?page=" . u($START_PAGE)));
- elseif(file_exists("$PG_DIR$page.$LANG.txt")) // language variant
- die(header("Location:$self?page=" . u("$page.$LANG")));
- elseif(!file_exists("$PG_DIR$page.txt"))
- $action = 'edit'; // create page if it doesn't exist
-
- if($PROTECTED_READ && !authentified()) { // does user need password to read content of site. If yes, ask for it.
- $CON = "<form action=\"$self?page=".u($page)."\" method=\"post\"><p>$T_PROTECTED_READ <input type=\"password\" name=\"sc\"/> <input class=\"submit\" type=\"submit\"/></p></form>";
- $action = 'view-html';
- } else
-
- if($restore || $action == 'rev') { // Show old revision
- $CON = @file_get_contents("$HIST_DIR$page/$f1");
-
- if($action == 'rev') {
- $rev_restore = "[$T_RESTORE|./$self?page=".u($page)."&action=edit&f1=$f1&restore=1]";
- $CON = strtr($T_REVISION, array('{TIME}' => rev_time($f1), '{RESTORE}' => $rev_restore)) . $CON;
- $action = '';
- }
- } else if($page) { // Load the page
- $last_changed_ts = @filemtime("$PG_DIR$page.txt");
-
- if(!$action || $action == 'edit') {
- $CON = @file_get_contents("$PG_DIR$page.txt");
- $CON = $par ? get_paragraph($CON, $par) : $CON;
-
- if(!$action && substr($CON, 0, 10) == '{redirect:' && $_REQUEST['redirect'] != 'no')
- die(header("Location:$self?page=".u(substr($CON, 10, strpos($CON, '}') - 10))));
- }
- }
-
- if($action == 'save' && !$preview && authentified()) { // do we have page to save?
- if(!trim($content) && !$par) // delete empty page
- @unlink("$PG_DIR$page.txt");
- elseif($last_changed < @filemtime("$PG_DIR$page.txt")) {
- $action = 'edit';
- $error = str_replace('{DIFF}', "<a href=\"$self?page=".u($page)."&action=diff\">$T_DIFF</a>", $T_EDIT_CONFLICT);
- } elseif(!plugin('writingPage')) { // are plugins OK with page? (e.g. checking for spam)
- if($par) {
- $c = @file_get_contents("$PG_DIR$page.txt");
- $content = str_replace(get_paragraph($c, $par), $content, $c);
- }
-
- if(!$file = @fopen("$PG_DIR$page.txt", 'w'))
- die("Could not write page $PG_DIR$page.txt!");
-
- fwrite($file, $content); fclose($file);
-
- // Backup old revision
- @mkdir($HIST_DIR.$page, 0777); // Create directory if does not exist
-
- $rightnow = date('Ymd-Hi-s', time() + $LOCAL_HOUR * 3600);
-
- if(!$bak = @fopen("$HIST_DIR$page/$rightnow.bak", 'w'))
- die("Could not write to $HIST_DIR$page!");
-
- fwrite($bak, $content); fclose($bak);
-
- $es = fopen("$HIST_DIR$page/meta.dat", 'ab');
-
- fwrite($es, '!' . $rightnow .
- str_pad($_SERVER['REMOTE_ADDR'], 16, ' ', STR_PAD_LEFT) .
- str_pad(filesize("$PG_DIR$page.txt"), 11, ' ', STR_PAD_LEFT) . ' ' .
- str_pad(substr($esum, 0, 128), 128 + 2)) . "\n";
-
- fclose($es);
-
- if($moveto != $page && $moveto)
- if(file_exists("$PG_DIR$moveto.txt"))
- die('Error: target filename already exists. Page was not moved.');
- elseif(!rename("$PG_DIR$page.txt", "$PG_DIR$moveto.txt"))
- die('Unknown error! Page was not moved.');
- elseif(!rename($HIST_DIR.$page, $HIST_DIR.$moveto)) {
- rename("$PG_DIR$moveto.txt", "$PG_DIR$page.txt"); // revert previous change
- die('Unknown error2! Page was not moved.');
- } else
- $page = $moveto;
-
- if(!plugin('pageWritten'))
- die(header("Location:$self?page=" . u($page) . '&redirect=no' . ($par ? "&par=$par" : '') . ($_REQUEST['ajax'] ? '&ajax=1' : '')));
- else
- $action = ''; // display content ...
- } else // there's some problem with page, give user a chance to fix it
- $action = 'edit';
- } elseif($action == 'save' && !$preview) { // wrong password, give user another chance
- $error = $T_WRONG_PASSWORD;
- $action = 'edit';
- }
-
- if($action == 'edit' || $preview) {
- $CON_FORM_BEGIN = "<form action=\"$self\" method=\"post\"><input type=\"hidden\" name=\"action\" value=\"save\"/><input type=\"hidden\" name=\"last_changed\" value=\"$last_changed_ts\"/><input type=\"hidden\" name=\"showsource\" value=\"$showsource\"/><input type=\"hidden\" name=\"par\" value=\"".h($par)."\"/><input type=\"hidden\" name=\"page\" value=\"".h($page)."\"/>";
- $CON_FORM_END = '</form>';
- $CON_TEXTAREA = '<textarea class="contentTextarea" name="content" style="width:100%" cols="100" rows="30">'.h($CON).'</textarea>';
- $CON_PREVIEW = '<input class="submit" type="submit" name="preview" value="'.$T_PREVIEW.'"/>';
-
- if(!$showsource) {
- $CON_SUBMIT = '<input class="submit" type="submit" value="'.$T_DONE.'"/>';
- $EDIT_SUMMARY_TEXT = $T_EDIT_SUMMARY;
- $EDIT_SUMMARY = '<input type="text" name="esum" value="'.h($esum).'"/>';
-
- if(!authentified()) { // if not logged on, require password
- $FORM_PASSWORD = $T_PASSWORD;
- $FORM_PASSWORD_INPUT = '<input type="password" name="sc"/>';
- }
-
- if(!$par) {
- $RENAME_TEXT = $T_MOVE_TEXT;
- $RENAME_INPUT = '<input type="text" name="moveto" value="'.h($page).'"/>';
- }
- }
-
- if($preview)
- $TITLE = "$T_PREVIEW: $page";
- } elseif($action == 'history') { // show whole history of page
- for($dir = @opendir("$HIST_DIR$page/"); $f = @readdir($dir);)
- if(substr($f, -4) == '.bak')
- $files[] = $f;
-
- rsort($files);
- $CON = '<form action="'.$self.'" method="get"><input type="hidden" name="action" value="diff"/><input type="hidden" name="page" value="'.h($page).'"/><input type="submit" class="submit" value="'.$T_DIFF.'"/><br/>';
- $meta = @fopen("$HIST_DIR$page/meta.dat", "rb");
-
- for($i = 0, $mi = 1, $c = count($files); $i < $c; $i++) {
- if(($m = meta_getline($meta, $mi)) && !strcmp(basename($files[$i], ".bak"), $m[0]))
- $mi++;
-
- $CON .= '<input type="radio" name="f1" value="'.h($files[$i]).'"/><input type="radio" name="f2" value="'.h($files[$i]).'"/>';
- $CON .= "<a href=\"$self?page=".u($page)."&action=rev&f1=".$files[$i]."\">".rev_time($files[$i])."</a> - ($m[2] B) $m[1] <i>".h($m[3])."</i><br/>";
- }
-
- $CON .= '</form>';
- } elseif($action == 'diff') {
- if(!$f1 && $dir = @opendir("$HIST_DIR$page/")) { // diff is made on two last revisions
- while($f = @readdir($dir))
- if(substr($f, -4) == '.bak')
- $files[] = $f;
-
- rsort($files);
-
- die(header("Location:$self?action=diff&page=".u($page)."&f1=$files[0]&f2=$files[1]"));
- }
-
- $r1 = "<a href=\"$self?page=".u($page)."&action=rev&f1=$f1\">".rev_time($f1)."</a>";
- $r2 = "<a href=\"$self?page=".u($page)."&action=rev&f1=$f2\">".rev_time($f2)."</a>";
-
- $CON = str_replace(array("{REVISION1}", "{REVISION2}"), array($r1, $r2), $T_REV_DIFF);
- $CON .= diff($f1, $f2);
- } elseif($action == 'search') {
- for($files = array(), $dir = opendir($PG_DIR); $f = readdir($dir);)
- if(substr($f, -4) == '.txt' && ($c = @file_get_contents($PG_DIR . $f)))
- if(!$query || stristr($f . $c, $query) !== false)
- $files[] = substr($f, 0, -4);
-
- sort($files);
-
- foreach($files as $f)
- $list .= "<li><a href=\"$self?page=".u($f).'&redirect=no">'.h($f)."</a></li>";
-
- $CON = "<ul>$list</ul>";
-
- if($query && !file_exists("$PG_DIR$query.txt")) // offer to create the page
- $CON = "<p><i><a href=\"$self?action=edit&page=".u($query)."\">$T_CREATE_PAGE ".h($query)."</a>.</i></p>".$CON;
-
- $TITLE = (!$query ? $T_LIST_OF_ALL_PAGES : "$T_SEARCH_RESULTS $query") . " (".count($files).")";
- } elseif($action == 'recent') { // recent changes
- for($files = array(), $dir = opendir($PG_DIR); $f = readdir($dir);)
- if(substr($f, -4) == '.txt')
- $files[substr($f, 0, -4)] = filemtime($PG_DIR . $f);
-
- arsort($files);
-
- foreach(array_slice($files, 0, 100) as $f => $ts) { // just first 100 files
- if($meta = @fopen($HIST_DIR . basename($f, '.txt') . '/meta.dat', 'r')) {
- $m = meta_getline($meta, 1);
- fclose($meta);
- }
-
- $recent .= "<tr><td class=\"rc-diff\"><a href=\"$self?page=".u($f)."&action=diff\">$T_DIFF</a></td><td class=\"rc-date\" nowrap>".date($DATE_FORMAT, $ts + $LOCAL_HOUR * 3600)."</td><td class=\"rc-ip\">$m[1]</td><td class=\"rc-page\"><a href=\"$self?page=".u($f)."&redirect=no\">".h($f)."</a> <span class=\"rc-size\">($m[2] B)</span><i class=\"rc-esum\"> ".h($m[3])."</i></td></tr>";
- }
-
- $CON = "<table>$recent</table>";
- $TITLE = $T_RECENT_CHANGES;
- } else
- plugin('action', $action);
-
- if(!$action || $preview) { // page parsing
- if(preg_match("/(?<!\^)\{title:([^}\n]*)\}/U", $CON, $m)) { // Change page title
- $TITLE = $m[1];
- $CON = str_replace($m[0], "", $CON);
- }
-
- // subpages
- while(preg_match('/(?<!\^){include:([^}]+)}/Um', $CON, $m))
- if(!strcmp($m[1], $page)) // limited recursion protection
- $CON = str_replace($m[0], "'''Warning: subpage recursion!'''", $CON);
- elseif(file_exists("$PG_DIR$m[1].txt"))
- $CON = str_replace($m[0], file_get_contents("$PG_DIR$m[1].txt"), $CON);
- else
- $CON = str_replace($m[0], "'''Warning: subpage $m[1] was not found!'''", $CON);
-
- plugin('subPagesLoaded');
-
- // save content not intended for substitutions ({html} tag)
- if(!$NO_HTML) { // XSS protection
- preg_match_all("/(?<!\^)\{html\}(.+)\{\/html\}/Ums", $CON, $htmlcodes, PREG_PATTERN_ORDER);
- $CON = preg_replace("/(?<!\^)\{html\}.+\{\/html\}/Ums", "{HTML}", $CON);
- }
-
- $CON = preg_replace("/(?<!\^)<!--.*-->/U", "", $CON); // internal comments
- $CON = preg_replace("/\^(.)/e", "'&#'.ord('$1').';'", $CON);
- $CON = str_replace(array("<", "&"), array("<", "&"), $CON);
- $CON = preg_replace("/&([a-z]+;|\#[0-9]+;)/U", "&$1", $CON); // keep HTML entities
- $CON = preg_replace("/(\r\n|\r)/", "\n", $CON); // unifying newlines to Unix ones
-
- preg_match_all("/{{(.+)}}/Ums", $CON, $codes, PREG_PATTERN_ORDER);
- $CON = preg_replace("/{{(.+)}}/Ums", "<pre>{CODE}</pre>", $CON);
-
- // spans
- preg_match_all("/\{([\.#][^\s\"\}]*)(\s([^\}\"]*))?\}/m", $CON, $spans, PREG_SET_ORDER);
-
- foreach($spans as $m) {
- $class = $id = '';
- $parts = preg_split('/([\.#])/', $m[1], -1, PREG_SPLIT_DELIM_CAPTURE | PREG_SPLIT_NO_EMPTY);
-
- for($i = 0, $c = count($parts); $c > 1 && $i < $c; $i += 2)
- if($parts[$i] == '.')
- $class .= $parts[$i + 1] . ' ';
- else
- $id = $parts[$i + 1];
-
- $CON = str_replace($m[0], '<span'.($id ? " id=\"$id\"" : '').($class ? " class=\"$class\"" : '').($m[3] ? " style=\"$m[3]\"" : '').'>', $CON);
- }
-
- $CON = str_replace('{/}', '</span>', $CON);
-
- plugin('formatBegin');
-
- $CON = strtr($CON, array('<-->' => '↔', '-->' => '→', '<--' => '←', "(c)" => '©', "(r)" => '®'));
- $CON = preg_replace("/\{small\}(.*)\{\/small\}/U", "<small>$1</small>", $CON); // small
- $CON = preg_replace("/\{su([bp])\}(.*)\{\/su([bp])\}/U", "<su$1>$2</su$3>", $CON); // sup and sub
-
- $CON = preg_replace("/^([^!\*#\n][^\n]+)$/Um", '<p>$1</p>', $CON); // paragraphs
-
- // images
- preg_match_all("#\[((https?://|\./)[^\]]+\.(jpeg|jpg|gif|png))(\|[^\]]+)?\]#", $CON, $imgs, PREG_SET_ORDER);
-
- foreach($imgs as $img) {
- $link = $i_attr = $a_attr = $center = $tag = "";
-
- preg_match_all("/\|([^\]\|=]+)(=([^\]\|\"]+))?(?=[\]\|])/", $img[0], $options, PREG_SET_ORDER);
-
- foreach($options as $o)
- if($o[1] == 'center') $center = true;
- elseif($o[1] == 'right' || $o[1] == 'left') $i_attr .= " style=\"float:$o[1]\"";
- elseif($o[1] == 'link') $link = (substr($o[3], 0, 4) == "http" || substr($o[3], 0, 2) == "./") ? $o[3] : "$self?page=" . u($o[3]);
- elseif($o[1] == 'alt') $i_attr .= " alt=\"$o[3]\"";
- elseif($o[1] == 'title') $a_attr .= " title=\"$o[3]\"";
-
- $tag = "<img src=\"$img[1]\"$i_attr/>";
-
- if($link) $tag = "<a href=\"$link\"$a_attr>$tag</a>";
- if($center) $tag = "<div style=\"text-align:center\">$tag</div>";
-
- $CON = str_replace($img[0], $tag, $CON);
- }
-
- $CON = preg_replace('#([0-9a-zA-Z\./~\-_]+@[0-9a-z/~\-_]+\.[0-9a-z\./~\-_]+)#i', '<a href="mailto:$0">$0</a>', $CON); // mail recognition
-
- // links
- $CON = preg_replace("#\[([^\]\|]+)\|(\./([^\]]+)|(https?://[^\]]+))\]#U", '<a href="$2" class="external">$1</a>', $CON);
- $CON = preg_replace("#(?<!\")https?://[0-9a-zA-Z\.\#/~\-_%=\?\&,\+\:@;!\(\)\*\$']*#i", '<a href="$0" class="external">$0</a>', $CON);
-
- preg_match_all("/\[(?:([^|\]]+)\|)?([^\]#]+)(?:#([^\]]+))?\]/", $CON, $matches, PREG_SET_ORDER); // matching Wiki links
-
- foreach($matches as $m) {
- $m[1] = $m[1] ? $m[1] : $m[2]; // is page label same as its name?
- $m[3] = $m[3] ? '#'.u(preg_replace('/[^\da-z]/i', '_', $m[3])) : ''; // anchor
-
- $attr = file_exists("$PG_DIR$m[2].txt") ? $m[3] : '&action=edit" class="pending';
- $CON = str_replace($m[0], '<a href="'.$self.'?page='.u($m[2]).$attr.'">'.$m[1].'</a>', $CON);
- }
-
- for($i = 10; $i >= 1; $i--) { // Lists, ordered, unordered
- $CON = preg_replace('/^'.str_repeat('\*', $i)."(.*)(\n?)/m", str_repeat('<ul>', $i).'<li>$1</li>'.str_repeat('</ul>', $i).'$2', $CON);
- $CON = preg_replace('/^'.str_repeat('\#', $i)."(.*)(\n?)/m", str_repeat('<ol>', $i).'<li>$1</li>'.str_repeat('</ol>', $i).'$2', $CON);
- $CON = preg_replace("#(</ol>\n?<ol>|</ul>\n?<ul>)#", '', $CON);
- }
-
- // headings
- preg_match_all('/^(!+)(.*)$/m', $CON, $matches, PREG_SET_ORDER);
- $stack = array();
-
- for($h_id = max($par, 1), $i = 0, $c = count($matches); $i < $c && $m = $matches[$i]; $i++, $h_id++) {
- $excl = strlen($m[1]) + 1;
- $hash = preg_replace('/[^\da-z]/i', '_', $m[2]);
-
- for($ret = ''; end($stack) >= $excl; $ret .= '</div>', array_pop($stack));
-
- $stack[] = $excl;
-
- $ret .= "<div class=\"par-div\" id=\"par-$h_id\"><h$excl id=\"$hash\">$m[2]";
-
- if(is_writable($PG_DIR . $page . '.txt'))
- $ret .= "<span class=\"par-edit\">(<a href=\"$self?action=edit&page=".u($page)."&par=$h_id\">$T_EDIT</a>)</span>";
-
- $CON = preg_replace('/' . preg_quote($m[0], '/') . '/', "$ret</h$excl>", $CON, 1);
- $TOC .= str_repeat("<ul>", $excl - 2).'<li><a href="'.$self.'?page='.u($page).'#'.u($hash).'">'.$m[2].'</a></li>'.str_repeat("</ul>", $excl - 2);
- }
-
- $CON .= str_repeat('</div>', count($stack));
-
- $TOC = '<ul id="toc">' . preg_replace(array_fill(0, 5, "#</ul>\n*<ul>#"), array_fill(0, 5, ''), $TOC) . '</ul>';
- $TOC = str_replace(array('</li><ul>', '</ul><li>', '</ul></ul>', '<ul><ul>'), array('<ul>', '</ul></li><li>', '</ul></li></ul>', '<ul><li><ul>'), $TOC);
-
- $CON = preg_replace("/'--(.*)--'/Um", '<del>$1</del>', $CON); // strikethrough
- $CON = preg_replace("/'__(.*)__'/Um", '<u>$1</u>', $CON); // underlining
- $CON = preg_replace("/'''(.*)'''/Um", '<strong>$1</strong>', $CON); // bold
- $CON = preg_replace("/''(.*)''/Um", '<em>$1</em>', $CON); // italic
- $CON = str_replace('{br}', '<br style="clear:both"/>', $CON); // new line
- $CON = preg_replace('/-----*/', '<hr/>', $CON); // horizontal line
- $CON = str_replace('--', '—', $CON); // --
-
- $CON = preg_replace(array_fill(0, count($codes[1]) + 1, '/{CODE}/'), $codes[1], $CON, 1); // put HTML and "normal" codes back
- $CON = preg_replace(array_fill(0, count($htmlcodes[1]) + 1, '/{HTML}/'), $htmlcodes[1], $CON, 1);
-
- plugin('formatEnd');
- }
-
- plugin('formatFinished');
-
- // Loading template. If does not exist, use built-in default
- $html = file_exists($TEMPLATE) ? file_get_contents(clear_path($TEMPLATE)) : fallback_template();
-
- // including pages in pure HTML
- while(preg_match('/{include:([^}]+)}/U', $html, $m)) {
- $inc = str_replace(array('{html}', '{/html}'), '', @file_get_contents("$PG_DIR$m[1].txt"));
- $html = str_replace($m[0], $inc, $html);
- }
-
- plugin('template'); // plugin templating
-
- $html = preg_replace('/\{([^}]* )?plugin:.+( [^}]*)?\}/U', '', $html); // get rid of absent plugin tags
-
- $tpl_subs = array(
- 'HEAD' => $HEAD . ($action ? '<meta name="robots" content="noindex, nofollow"/>' : ''),
- 'SEARCH_FORM' => '<form action="'.$self.'" method="get"><span><input type="hidden" name="action" value="search"/><input type="submit" style="display:none;"/>',
- '\/SEARCH_FORM' => "</span></form>",
- 'SEARCH_INPUT' => '<input type="text" name="query" value="'.h($query).'"/>',
- 'SEARCH_SUBMIT' => "<input class=\"submit\" type=\"submit\" value=\"$T_SEARCH\"/>",
- 'HOME' => "<a href=\"$self?page=".u($START_PAGE)."\">$T_HOME</a>",
- 'RECENT_CHANGES' => "<a href=\"$self?action=recent\">$T_RECENT_CHANGES</a>",
- 'ERROR' => $error,
- 'HISTORY' => $page ? "<a href=\"$self?page=".u($page)."&action=history\">$T_HISTORY</a>" : "",
- 'PAGE_TITLE' => h($page == $START_PAGE && $page == $TITLE ? $WIKI_TITLE : $TITLE),
- 'PAGE_TITLE_HEAD' => h($TITLE),
- 'PAGE_URL' => u($page),
- 'EDIT' => !$action ? ("<a href=\"$self?page=".u($page)."&action=edit".(is_writable("$PG_DIR$page.txt") ? "\">$T_EDIT</a>" : "&showsource=1\">$T_SHOW_SOURCE</a>")) : "",
- 'WIKI_TITLE' => h($WIKI_TITLE),
- 'LAST_CHANGED_TEXT' => $last_changed_ts ? $T_LAST_CHANGED : "",
- 'LAST_CHANGED' => $last_changed_ts ? date($DATE_FORMAT, $last_changed_ts + $LOCAL_HOUR * 3600) : "",
- 'CONTENT' => $action != "edit" ? $CON : "",
- 'TOC' => $TOC,
- 'SYNTAX' => $action == "edit" || $preview ? "<a href=\"$SYNTAX_PAGE\">$T_SYNTAX</a>" : "",
- 'SHOW_PAGE' => $action == "edit" || $preview ? "<a href=\"$self?page=".u($page)."\">$T_SHOW_PAGE</a>" : "",
- 'COOKIE' => '<a href="'.$self.'?page='.u($page).'&action='.u($action).'&erasecookie=1">'.$T_ERASE_COOKIE.'</a>',
- 'CONTENT_FORM' => $CON_FORM_BEGIN,
- '\/CONTENT_FORM' => $CON_FORM_END,
- 'CONTENT_TEXTAREA' => $CON_TEXTAREA,
- 'CONTENT_SUBMIT' => $CON_SUBMIT,
- 'CONTENT_PREVIEW' => $CON_PREVIEW,
- 'RENAME_TEXT' => $RENAME_TEXT,
- 'RENAME_INPUT' => $RENAME_INPUT,
- 'EDIT_SUMMARY_TEXT' => $EDIT_SUMMARY_TEXT,
- 'EDIT_SUMMARY_INPUT' => $EDIT_SUMMARY,
- 'FORM_PASSWORD' => $FORM_PASSWORD,
- 'FORM_PASSWORD_INPUT' => $FORM_PASSWORD_INPUT
- );
-
- foreach($tpl_subs as $tpl => $rpl) // substituting values
- $html = template_replace($tpl, $rpl, $html);
-
- header('Content-type: text/html; charset=UTF-8');
- die($html);
-
- // Function library
-
- function h($t) { return htmlspecialchars($t); }
- function u($t) { return urlencode($t); }
-
- function template_replace($what, $subs, $where) { return preg_replace("/\{(([^}]*) )?$what( ([^}]*))?\}/U", empty($subs) ? "" : "\${2}".str_replace("$", "$", trim($subs))."\${4}", $where); }
- function template_match($what, $where, &$dest) { return preg_match("/\{(([^}]*) )?$what( ([^}]*))?\}/U", $where, $dest); }
-
- function clear_path($s) {
- for($i = 0, $ret = "", $c = strlen($s); $i < $c; $i++)
- $ret .= ctype_cntrl($s[$i]) ? "" : $s[$i];
-
- return trim(str_replace("..", "", $ret), "/");
- }
-
- function rev_time($time) {
- preg_match('/(\d{4})(\d{2})(\d{2})-(\d{2})(\d{2})-(\d{2})/U', $time, $m);
-
- return date($GLOBALS['DATE_FORMAT'], mktime($m[4], $m[5], $m[6], $m[2], $m[3], $m[1]));
- }
-
- // get paragraph number $par_id.
- function get_paragraph($text, $par_id) {
- $par = array(); // paragraph
- $count = 1; // paragraph count
- $par_excl = 0; // number of !
- $inside_code = $inside_html = false; // exclamation marks inside {{}} and {html}{/html} are not headings
- $lines = explode("\n", $text);
-
- foreach($lines as $l) {
- if($l[0] == '!' && !$inside_html && !$inside_code) {
- for($excl = 1, $c = strlen($l); $excl < $c && $l[$excl] == '!'; $excl++);
-
- if($count == $par_id) {
- $par[] = $l;
- $par_excl = $excl;
- } elseif($par_excl)
- if($excl > $par_excl)
- $par[] = $l;
- else
- break;
-
- $count++;
- }
- elseif($par_excl)
- $par[] = $l;
-
- if(preg_match('/(?<!\^)\{html\}/', $l)) $inside_html = true;
- if(preg_match('/(?<!\^)\{\/html\}/', $l)) $inside_html = false;
- if(preg_match('/(?<!\^)\{\{/', $l)) $inside_code = true;
- if(preg_match('/(?<!\^)\}\}/', $l)) $inside_code = false;
- }
-
- return join("\n", $par);
- }
-
- function diff($f1, $f2) { // executes either builtin simple diff or complex diff plugin, if present ...
- list($f1, $f2) = array(min($f1, $f2), max($f1, $f2));
-
- $dir = $GLOBALS['HIST_DIR'] . $GLOBALS['page'] . '/';
-
- return plugin('diff', $dir.$f1, $dir.$f2) ? $GLOBALS['plugin_ret_diff'] : diff_builtin($dir.$f1, $dir.$f2);
- }
-
- function diff_builtin($f1, $f2) {
- $a1 = explode("\n", @file_get_contents($f1));
- $a2 = explode("\n", @file_get_contents($f2));
-
- $d1 = array_diff($a1, $a2);
- $d2 = array_diff($a2, $a1);
-
- for($i = 0, $ret = ''; $i <= max(count($a2), count($a1)); $i++) {
- if($r1 = array_key_exists($i, $d1)) $ret .= '<del>'.h(trim($d1[$i]))."</del>\n";
- if($r2 = array_key_exists($i, $d2)) $ret .= '<ins>'.h(trim($d2[$i]))."</ins>\n";
- if(!$r1 && !$r2) $ret .= h(trim($a2[$i]))."\n";
- }
-
- return "<pre id=\"diff\">$ret</pre>";
- }
-
- function authentified() {
- if(!$GLOBALS['PASSWORD'] || !strcasecmp($_COOKIE['LW_AUT'], $GLOBALS['PASSWORD']) || !strcasecmp(sha1($GLOBALS['sc']), $GLOBALS['PASSWORD'])) {
- setsafecookie('LW_AUT', $GLOBALS['PASSWORD'], time() + ($GLOBALS['PROTECTED_READ'] ? 4 * 3600 : 365 * 86400));
- return true;
- } else
- return false;
- }
-
- function setsafecookie() { // setcookie for sensitive informations
- $args = func_get_args();
-
- if(version_compare(PHP_VERSION, '5.2.0') >= 0) {
- while(count($args) != 6)
- $args[] = '';
-
- $args[] = true; // httponly, supported only in some browsers and PHP >= 5.2.0. Successfully prevents XSS attacks.
- }
-
- call_user_func_array('setcookie', $args);
- }
-
- // returns "line" from meta.dat files. $lnum is number of line from the end of file starting with 1
- function meta_getline($file, $lnum) {
- if(fseek($file, -($lnum * 175), SEEK_END) || !($line = fread($file, 175)) || $line[0] != "!")
- return false; // ! is control character
-
- $date = substr($line, 1, 16);
- $ip = trim(substr($line, 19, 15));
- $size = (int) substr($line, 35, 10);
- $esum = trim(substr($line, 45, 128));
-
- return array($date, $ip, $size, $esum);
- }
-
- // Call a method for all plugins, second to last arguments are forwarded to plugins as arguments
- function plugin($method) {
- $ret = false;
- $args = array_slice(func_get_args(), 1);
-
- foreach($GLOBALS['plugins'] as $idx => $plugin)
- $ret |= method_exists($GLOBALS['plugins'][$idx], $method) && call_user_func_array(array(&$GLOBALS['plugins'][$idx], $method), $args);
-
- return $ret; // returns true if treated by a plugin
- }
-
- function fallback_template() { return '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
- <html xmlns="http://www.w3.org/1999/xhtml">
- <head>
- <meta http-equiv="content-type" content="text/html;charset=utf-8"/>
- <title>{PAGE_TITLE_HEAD - }{WIKI_TITLE}</title>
- <style type="text/css">
- *{margin:0;padding:0}
- body{font-size:12px;line-height:16px;padding:10px 20px 20px 20px}
- p{margin:5px}
- a{color:#060;text-decoration:none;border-bottom:1px dotted #060}
- a.pending{color:#900}
- a.external:after{content:"\2197"}
- pre{border:1px dotted #ccc;padding:4px;overflow:auto;margin:3px}
- img,a img{border:0}
- h1,h2,h3,h4,h5,h6{letter-spacing:2px;font-weight:normal;margin:15px 0 15px 0;color:#060}
- h1 a:hover,h2 a:hover,h3 a:hover,h4 a:hover,h5 a:hover,h6 a:hover{color:#060}
- h1 a{border-bottom:0}
- h2 .par-edit,h3 .par-edit,h4 .par-edit,h5 .par-edit,h6 .par-edit{visibility:hidden;font-size:x-small}
- h2:hover .par-edit,h3:hover .par-edit,h4:hover .par-edit,h5:hover .par-edit,h6:hover .par-edit{visibility:visible}
- hr{margin:10px 0 10px 0;height:1px;overflow:hidden;border:0;background:#060}
- ul,ol{padding:5px 0px 5px 20px}
- table{text-align:left}
- input,select,textarea{border:1px solid #AAA;padding:2px;font-size:12px}
- #toc{border:1px dashed #060;margin:5px 0 5px 10px;padding:6px 5px 7px 0;float:right;padding-right:2em;list-style:none}
- #toc ul{list-style:none;padding:3px 0 3px 10px}
- #toc li{font-size:11px;padding-left:10px}
- #diff{padding:1em;white-space:pre-wrap;width:97%}
- #diff ins{color:green;font-weight:bold}
- #diff del{color:red;text-decoration:line-through}
- #diff .orig{color:#666;font-size:90%}
- /* Plugins */
- .tagList{padding:0.2em 0.4em 0.2em 0.4em;margin-top:0.5em;border:1px dashed #060;clear:right}
- .tagCloud{float:right;width:200px;padding:0.5em;margin:1em;border:1px dashed #060;clear:right}
- .pageVersionsList{letter-spacing:0;font-variant:normal;font-size:12px}
- .resizeTextarea a{border-bottom:none}
- </style>
- {HEAD}
- </head>
- <body>
- <table width="100%" cellpadding="4">
- <tr>
- <td colspan="2">{HOME} {RECENT_CHANGES}</td>
- <td style="text-align:right">{EDIT} {SYNTAX} {HISTORY}</td>
- </tr>
- <tr><th colspan="3"><hr/><h1 id="page-title">{PAGE_TITLE} {<span class="pageVersionsList">( plugin:VERSIONS_LIST )</span>}</h1></th></tr>
- <tr>
- <td colspan="3">
- {<div style="color:#F25A5A;font-weight:bold;"> ERROR </div>}
- {CONTENT} {plugin:TAG_LIST}
- {CONTENT_FORM} {RENAME_TEXT} {RENAME_INPUT <br/><br/>} {CONTENT_TEXTAREA}
- <p style="float:right;margin:6px">{FORM_PASSWORD} {FORM_PASSWORD_INPUT} {plugin:CAPTCHA_QUESTION} {plugin:CAPTCHA_INPUT}
- {EDIT_SUMMARY_TEXT} {EDIT_SUMMARY_INPUT} {CONTENT_SUBMIT} {CONTENT_PREVIEW}</p>{/CONTENT_FORM}
- </td>
- </tr>
- <tr><td colspan="3"><hr/></td></tr>
- <tr>
- <td><div>{SEARCH_FORM}{SEARCH_INPUT}{SEARCH_SUBMIT}{/SEARCH_FORM}</div></td>
- <td>Powered by <a href="http://lionwiki.0o.cz/">LionWiki</a>. {LAST_CHANGED_TEXT}: {LAST_CHANGED} {COOKIE}</td>
- <td style="text-align:right">{EDIT} {SYNTAX} {HISTORY}</td>
- </tr>
- </table>
- </body>
- </html>'; }