369 lines
10 KiB
PHP
Executable file
369 lines
10 KiB
PHP
Executable file
<?php
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/*
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* spmenu-wiki
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*
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* Copyright (C) 2007-2011 Steven Frank <http://stevenf.com/>
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* Copyright (C) 2023 speedie <speedie@speedie.site>
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*
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* See LICENSE file for copyright and license details.
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*/
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spl_autoload_register(function($class){
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require str_replace('\\', DIRECTORY_SEPARATOR, ltrim($class, '\\')).'.php';
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});
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use md\MarkdownExtra;
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require_once "config.php";
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function __( $label, $alt_word = null ) {
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return is_null($alt_word) ? $label : $alt_word;
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}
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function truncate($text, $chars) {
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if (strlen($text) <= $chars) {
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return $text;
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}
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$text = $text." ";
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$text = substr($text,0,$chars);
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$text = substr($text,0,strrpos($text,' '));
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$text = $text."...";
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return $text;
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}
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function printHeader($title, $action, $html, $bodyclass="") {
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// TODO: Improve this garbage, I suck at PHP and this is just stuff I found on the internet.
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if (META_DESC) {
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$nhtml = $html;
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$nhtml = preg_replace( '@<p\b[^>]*>(?=.*?<a\b[^>]*>).*?<\@p>@si', '', $nhtml);
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$nhtml = preg_replace( '@<(li)[^>]*?>.*?</\\1>@si', '', $nhtml);
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$nhtml = preg_replace( '@<(ul)[^>]*?>.*?</\\1>@si', '', $nhtml);
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$nhtml = strip_tags($nhtml);
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$nhtml = preg_replace('/\s*$^\s*/m', "\n", $nhtml);
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$nhtml = truncate($nhtml, 512);
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}
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print "<!DOCTYPE html>\n";
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print "<html lang=\"en\">\n";
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if (ENABLE_HEAD) {
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print " <head>\n";
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if (META_ENC) {
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print " <meta charset=\"UTF-8\">\n";
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}
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if (META_DESC) {
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print " <meta name=\"description\" content=\"$nhtml\">\n";
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}
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if (META_VIEWPORT) {
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print " <meta name=\"viewport\" content=\"width=device-width, initial-scale=1\" />\n";
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}
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if (ENABLE_FAVICON) {
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print " <link rel=\"icon\" href=\"/icons/fav.svg\"/>\n";
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}
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if (ENABLE_CSS) {
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print " <link type=\"text/css\" rel=\"stylesheet\" href=\"" . BASE_URI . "/" . CSS_FILE ."\" />\n";
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}
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if (ENABLE_TITLE) {
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print " <title>".PAGE_TITLE."$title</title>\n";
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}
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print " </head>\n";
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}
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print " <body".($bodyclass != "" ? " class=\"$bodyclass\"":"").">\n";
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}
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function printFooter() {
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if (ENABLE_FOOTER_HARDCODED) {
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print " </body>\n";
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print "<p class=\"footer\">Wiki licensed under the <a href=\"https://git.speedie.site/speedie/spmenu-wiki/raw/branch/master/LICENSE\">MIT</a> license. Articles and images licensed under the CC-BY-SA 4.0 license. <a href=\"https://git.speedie.site/speedie/spmenu-wiki\">Source code</a></p>";
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print "</html>";
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} else if (ENABLE_FOOTER_FILE && FOOTER_FILE != '') {
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print " </body>\n";
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include(FOOTER_FILE);
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}
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}
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function getAllPageNames($path = "") {
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$filenames = array();
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$dir = opendir(PAGES_PATH . "/$path" );
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while ( $filename = readdir($dir) ) {
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if ( $filename[0] == "." ) {
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continue;
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}
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if ( is_dir( PAGES_PATH . "/$path/$filename" ) ) {
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array_push($filenames, ...getAllPageNames( "$path/$filename" ) );
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continue;
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}
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if ( preg_match("/".PAGES_EXT."$/", $filename) != 1) {
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continue;
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}
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$filename = substr($filename, 0, -(strlen(PAGES_EXT)+1) );
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$filenames[] = substr("$path/$filename", 1);
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}
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closedir($dir);
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return $filenames;
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}
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function fileNameForPage($page) {
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return PAGES_PATH . "/$page." . PAGES_EXT;
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}
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function sanitizeFilename($inFileName) {
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return str_replace(array('~', '..', '\\', ':', '|', '&'), '-', $inFileName);
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}
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function pageURL($page) {
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return SELF . VIEW . "/".str_replace("%2F", "/", str_replace("%23", "#", urlencode(sanitizeFilename($page))));
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}
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function pageLink($page, $title, $attributes="") {
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return "<a href=\"" . pageURL($page) ."\"$attributes>$title</a>";
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}
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function checkedExecute(&$msg, $cmd) {
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$returnValue = 0;
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$output = '';
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exec($cmd, $output, $returnValue);
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if ($returnValue != 0) {
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$msg .= "<br/>Error executing command ".$cmd." (return value: ".$returnValue."): ".implode(" ", $output);
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}
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return ($returnValue == 0);
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}
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function gitChangeHandler($commitmsg, &$msg) {
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if (!GIT_COMMIT_ENABLED) {
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return;
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}
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if (checkedExecute($msg, "cd ".PAGES_PATH." && git add -A && git commit -m ".escapeshellarg($commitmsg))) {
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checkedExecute($msg, "cd ".PAGES_PATH." && git push");
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}
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}
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function toHTMLID($noid) {
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return str_replace(" ", "-", $noid);
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}
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function toHTML($inText) {
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$parser = new MarkdownExtra;
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$parser->no_markup = true;
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$outHTML = $parser->transform($inText);
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preg_match_all("/\[\[(.*?)\]\]/", $outHTML, $matches, PREG_PATTERN_ORDER);
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for ($i = 0; $i < count($matches[0]); $i++) {
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$fullLinkText = $matches[1][$i];
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$linkTitleSplit = explode('|', $fullLinkText);
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$linkedPage = $linkTitleSplit[0]; // split away an eventual link text
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$linkText = (count($linkTitleSplit) > 1) ? $linkTitleSplit[1] : $linkedPage;
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$pagePart = explode('#', $linkedPage)[0]; // split away an eventual anchor part
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$linkedFilename = fileNameForPage(sanitizeFilename($pagePart));
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$exists = file_exists($linkedFilename);
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$outHTML = str_replace("[[$fullLinkText]]",
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pageLink($linkedPage, $linkText, ($exists? "" : " class=\"noexist\"")), $outHTML);
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}
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$outHTML = preg_replace("/\{\{(.*?)\}\}/", "<img src=\"" . BASE_URI . "/images/\\1\" alt=\"\\1\" />", $outHTML);
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preg_match_all("/<h([1-4])>(.*?)<\/h\\1>/", $outHTML, $matches, PREG_PATTERN_ORDER);
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for ($i = 0; $i < count($matches[0]); $i++) {
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$prefix = "<h".$matches[1][$i].">";
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$caption = $matches[2][$i];
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$suffix = substr_replace($prefix, "/", 1, 0);
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/*
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$outHTML = str_replace("$prefix$caption$suffix",
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"$prefix<a id=\"".toHTMLID($caption)."\">$caption</a>$suffix", $outHTML);
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*/
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}
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return $outHTML;
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}
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$action = isset($_REQUEST['action']) ? $_REQUEST['action'] : 'view';
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$newPage = "";
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$text = "";
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$html = "";
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if ($action === 'view') {
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$page = preg_match('@^/@', @$_SERVER["PATH_INFO"]) ?
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urldecode(substr($_SERVER["PATH_INFO"], 1)) : urldecode(@$_REQUEST['page']);
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$page = sanitizeFilename($page);
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if ( $page == "" ) {
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$page = DEFAULT_PAGE;
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}
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$filename = fileNameForPage($page);
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if ( file_exists($filename) ) {
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$text = file_get_contents($filename);
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} else {
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$newPage = NULL;
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include('404.php');
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die();
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}
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}
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$oldgitmsg = "";
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$triedSave = false;
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if ( $action === 'all' && ENABLE_ALL ) {
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$pageNames = getAllPageNames();
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$filelist = array();
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$sortBy = isset($_REQUEST['sortBy']) ? $_REQUEST['sortBy'] : 'name';
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if (!in_array($sortBy, array('name', 'recent'))) {
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$sortBy = 'name';
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}
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if ($sortBy === 'name') {
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natcasesort($pageNames);
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foreach($pageNames as $page) {
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$filelist[$page] = filemtime(fileNameForPage($page));
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}
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} else {
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foreach($pageNames as $page) {
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$filelist[$page] = filemtime(fileNameForPage($page));
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}
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arsort($filelist, SORT_NUMERIC);
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}
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$html .= "<p>".__('Total').": ".count($pageNames)." ".__("articles")."</p>";
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$html .= "<table><thead>";
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$html .= "<tr>".
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"<td>".(($sortBy!='name')?("<a href=\"".SELF."?action=all&sortBy=name\">Name</a>"):"<span class=\"sortBy\">".__('Name')."</span>")."</td>".
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"<td>".(($sortBy!='recent')?("<a href=\"".SELF."?action=all&sortBy=recent\">".__('Modified')."</a>"):"<span class=\"sortBy\">".__('Modified')."</span>")."</td>".
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"</tr></thead><tbody>";
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$date_format = __('date_format', TITLE_DATE);
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foreach ($filelist as $pageName => $pageDate) {
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$html .= "<tr>".
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"<td>".pageLink($pageName, $pageName)."</td>".
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"<td valign=\"top\"><nobr>".date( $date_format, $pageDate)."</nobr></td>".
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"</tr>\n";
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}
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$html .= "</tbody></table>\n";
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} else if ( $action === 'search' && ENABLE_SEARCH ) {
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$matches = 0;
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$q = $_REQUEST['q'];
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$html .= " <h1>Search: $q</h1>\n";
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if ( trim($q) != "" ) {
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$html .= " <ul>\n";
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$pagenames = getAllPageNames();
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$found = FALSE;
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$matchingPages = array();
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foreach ($pagenames as $searchPage) {
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if ($searchPage === $q) {
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$found = TRUE;
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}
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if (preg_match("/{$q}/i", $searchPage)) {
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array_unshift($matchingPages, $searchPage);
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++$matches;
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} else {
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$text = file_get_contents(fileNameForPage($searchPage));
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if ( preg_match("/{$q}/i", $text) ) {
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$matchingPages[] = $searchPage;
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++$matches;
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}
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}
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}
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foreach ($matchingPages as $page) {
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$link = pageLink($page, $page, ($page === $q)? " class=\"literalMatch\"": "");
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$html .= " <li>$link</li>\n";
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}
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$html .= " </ul>\n";
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}
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$html .= " <p>$matches ".__('matches')."</p>\n";
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} else {
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$html .= empty($text) ? '' : toHTML($text);
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}
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$datetime = '';
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if (($action === 'all') && ENABLE_ALL) {
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$title = __("All");
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} else if ( $action === 'search' && ENABLE_SEARCH ) {
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$title = __("Search");
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} else if ($filename != '') {
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$title = $page;
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$date_format = __('date_format', TITLE_DATE);
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if ( $date_format ) {
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$datetime = "<span class=\"titledate\">" . date($date_format, @filemtime($filename)) . "</span>";
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}
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} else {
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$title = __($action);
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}
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header("Cache-Control: no-cache, must-revalidate"); // HTTP/1.1
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header("Expires: Mon, 26 Jul 1997 05:00:00 GMT"); // Date in the past
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printHeader($title, $action, $html);
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if (ENABLE_TITLEBAR) {
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print " <div class=\"titlebar\"><span class=\"title\">$title</span>$datetime";
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print " </div>\n";
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}
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if (ENABLE_TOOLBAR) {
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print " <div class=\"toolbar\">\n";
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if (ENABLE_HOME_ICON) {
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print " <a href=\"" . SELF . "\"><img src=\"/icons/home.svg\" alt=\"". __(DEFAULT_PAGE) . "\" title=\"". __(DEFAULT_PAGE) . "\" class=\"icon\"></a>\n";
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}
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if (ENABLE_ALL_ICON) {
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print " <a href=\"" . SELF . "?action=all\"><img src=\"/icons/list.svg\" alt=\"". __('All') . "\" title=\"". __('All') . "\" class=\"icon\"></a>\n";
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}
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if (ENABLE_SEARCH) {
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print " <form method=\"post\" action=\"" . SELF . "?action=search\">\n";
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print " <input class=\"search\" placeholder=\"". __('Search') ."\" size=\"20\" id=\"search\" type=\"text\" name=\"q\" />\n </form>\n";
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}
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print " </div>\n";
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}
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if (SIDEBAR_PAGE != '' && ENABLE_SIDEBAR) {
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print " <div class=\"sidebar\">\n\n";
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$sidebarFile = fileNameForPage(SIDEBAR_PAGE);
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if (file_exists($sidebarFile)) {
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$text = file_get_contents($sidebarFile);
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} else {
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$text = __('Sidebar file could not be found')." ($sidebarFile)";
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}
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print toHTML($text);
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print " </div>\n";
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}
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print " <div class=\"main\">\n\n";
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if(isset($_SESSION['msg']) && $_SESSION['msg'] != '') {
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print " <div class=\"note\">".$_SESSION['msg']."</div>";
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unset($_SESSION['msg']);
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}
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print "$html\n";
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print " </div>\n";
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printFooter();
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