156 lines
4.1 KiB
PHP
156 lines
4.1 KiB
PHP
<?php
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require_once "lib-htmgem.php";
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use function htmgem\translateGemToHtml;
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# to false only if textDecoration=0 in the URL
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$textDecoration = "0" != @$_REQUEST['textDecoration'];
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/* The url argument is always absolute compared to the document root
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* The leading slash is removed. so url=/foo/bar and url=foo/bar ar the same.
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*/
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$url = @$_REQUEST["url"];
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######################################## Installation page
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if (empty($url)) {
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if (!file_exists("index.gmi")) {
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http_response_code(403);
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die("<!-- index.gmi missing -->");
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}
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?>
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<!DOCTYPE html>
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<html lang="fr">
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<head>
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<title>Installation de HtmGem</title>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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<style>
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<?php include("css/htmgem.css"); ?>
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</style>
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</head>
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<body>
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<?php
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echo translateGemToHtml(@file_get_contents("index.gmi"));
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echo "</body>\n</html>\n";
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die();
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}
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######################################## /Installation page
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# Removes the headling and trailling slashes, to be sure there's not any.
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$filePath = rtrim($_SERVER['DOCUMENT_ROOT'], "/")."/".ltrim($url, "/");
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$fileContents = @file_get_contents($filePath);
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######################################## 404 page
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if (empty($fileContents)) {
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error_log("HtmGem: 404 $url $filePath");
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http_response_code(404); ?>
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<!DOCTYPE html>
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<html lang="fr">
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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<style>
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<?php include("css/htmgem.css"); ?>
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</style>
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</head>
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<body>
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<?php
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$text404 = <<<EOF
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# ⚠ Page non trouvée
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**$url**
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=> $url Recharger 🔄
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=> /
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EOF;
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echo translateGemToHtml($text404);
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echo "</body>\n</html>";
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die();
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}
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######################################## /404 page
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# Removes the Byte Order Mark
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$fileContents = preg_replace("/\xEF\xBB\xBF/", "", $fileContents);
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# Gets the page title: the first occurrence with # at the line start
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mb_ereg("#\s*([^\n]+)\n", $fileContents, $matches);
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$page_title = @$matches[1];
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###################################### CSS Management
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/**
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* if &style=source displays the source directly and stops.
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* if there's a filename.css besides filename.gmi, use the css and stops.
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* if &style=<NOTHING> then embbed the default style, and stops.
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* if &style=<word not beginngin by slash> then use htmgem/word.css
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* if &style=/… then use the … as as stylesheet.
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**/
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if ("source" == $style) {
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$basename = basename($filePath);
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header("Cache-Control: public");
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header("Content-Disposition: attachment; filename=$basename");
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header("Content-Type: text/plain");
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header("Content-Transfer-Encoding: binary");
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header('Content-Length: ' . filesize($filePath));
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readfile($filePath);
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exit();
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} elseif ("pre" == $style) {
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$fileContents = htmlspecialchars($fileContents, ENT_HTML5|ENT_NOQUOTES, "UTF-8", false);
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echo <<<EOL
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<!DOCTYPE html>
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<html>
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<head>
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<title>$page_title</title>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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</head>
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<pre>$fileContents</pre>
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</body>
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</html>
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EOL;
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} else {
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$parts = pathinfo($filePath);
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$localCss = $parts["filename"].".css";
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$localCssFilePath = $parts["dirname"]."/".$localCss;
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if (file_exists($localCssFilePath)) {
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# Warning, using htmhem.php?url=… will make $localCss not found
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# as the path is relative to htmgem.php and not / !
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$cssContent = "<link type='text/css' rel='StyleSheet' href='$localCss'>";
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} else {
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if (empty($style)) {
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$cssContent =
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"<style>\n"
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.@file_get_contents("css/htmgem.css")
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."</style>\n";
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} else {
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if ("none" == $style) {
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$cssContent = "";
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} else {
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if ("/" == $style[0])
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$href = $style;
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else
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$href = "/htmgem/css/$style.css";
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$cssContent = "<link type='text/css' rel='StyleSheet' href='$href'>";
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}
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}
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}
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echo <<<EOL
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<!DOCTYPE html>
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<html lang="fr">
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<head>
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<title>$page_title</title>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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$cssContent
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</head>
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<body>
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EOL;
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echo "\n".translateGemToHtml($fileContents);
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echo "</body>\n</html>\n";
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}
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ob_end_flush();
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?>
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