mirror of
https://tildegit.org/sbgodin/HtmGem.git
synced 2023-08-25 13:53:12 +02:00
119 lines
3.1 KiB
PHP
119 lines
3.1 KiB
PHP
<?php
|
||
|
||
require_once "lib-htmgem.php";
|
||
|
||
# The url argument is always absolute compared to the document root.
|
||
$url = @$_REQUEST["url"];
|
||
|
||
/* Installation page
|
||
*
|
||
* Accessing directly /htmgem will make display the self-hosted documentation
|
||
* contained in "index.gmi". If it's removed, diplay an empty page with a
|
||
* comment
|
||
*/
|
||
if (empty($url)) {
|
||
if (!file_exists("index.gmi")) {
|
||
http_response_code(403);
|
||
die("<!-- index.gmi missing -->");
|
||
}
|
||
$t = new \htmgem\GemTextTranslate_html(@file_get_contents("index.gmi"));
|
||
echo $t->getFullHtml();
|
||
exit();
|
||
}
|
||
|
||
$documentRoot = $_SERVER['DOCUMENT_ROOT'];
|
||
|
||
# Removes the headling and trailling slashes, to be sure there's not any.
|
||
$filePath = rtrim($_SERVER['DOCUMENT_ROOT'], "/")."/".ltrim($url, "/");
|
||
|
||
switch(true) {
|
||
case !realPath($filePath):
|
||
case !preg_match("/\.gmi$/", $url): # not finishing by .gmi
|
||
case strpos($filePath, $documentRoot)!==0: # not in web directory
|
||
$go404 = true;
|
||
// Says 404 even if the file exists to not give any information.
|
||
break;
|
||
default:
|
||
$go404 = false;
|
||
}
|
||
|
||
/* 404 page
|
||
*/
|
||
if ($go404) {
|
||
error_log("HtmGem: 404 $url $filePath");
|
||
http_response_code(404);
|
||
$page404 = <<<EOF
|
||
# ⚠ Page non trouvée
|
||
|
||
**$url**
|
||
|
||
=> .. 🔄 🔄
|
||
EOF;
|
||
$t = new \htmgem\GemTextTranslate_html($page404);
|
||
echo $t->getFullHtml();
|
||
exit();
|
||
}
|
||
|
||
# to false only if textDecoration=0 in the URL
|
||
$textDecoration = "0" != @$_REQUEST['textDecoration'];
|
||
|
||
$fileContents = @file_get_contents($filePath);
|
||
# Removes the Byte Order Mark
|
||
$fileContents = preg_replace("/\xEF\xBB\xBF/", "", $fileContents);
|
||
|
||
|
||
/* CSS and special style management
|
||
*/
|
||
|
||
$style = @$_REQUEST['style'];
|
||
if ("source" == $style) {
|
||
$basename = basename($filePath);
|
||
header("Cache-Control: public");
|
||
header("Content-Disposition: attachment; filename=$basename");
|
||
header("Content-Type: text/plain");
|
||
header("Content-Transfer-Encoding: binary");
|
||
header('Content-Length: ' . filesize($filePath));
|
||
echo $fileContents;
|
||
exit();
|
||
} elseif ("pre" == $style) {
|
||
# Gets the page title: the first occurrence with # at the line start
|
||
mb_ereg("#\s*([^\n]+)\n", $fileContents, $matches);
|
||
$page_title = @$matches[1];
|
||
$fileContents = htmlspecialchars($fileContents, ENT_HTML5|ENT_NOQUOTES, "UTF-8", false);
|
||
echo <<<EOL
|
||
<!DOCTYPE html>
|
||
<html>
|
||
<head>
|
||
<title>$page_title</title>
|
||
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
|
||
</head>
|
||
<pre>
|
||
$fileContents</pre>
|
||
</body>
|
||
</html>
|
||
EOL;
|
||
exit();
|
||
}
|
||
|
||
$t = new \htmgem\GemTextTranslate_html($fileContents, $textDecoration);
|
||
if ("none" == $style) {
|
||
$t->addCss("");
|
||
} elseif ("/" == @$style[0]) {
|
||
$t->addCss($style);
|
||
} elseif (empty($style)) {
|
||
$parts = pathinfo($filePath);
|
||
$localCss = $parts["filename"].".css";
|
||
$localCssFilePath = $parts["dirname"]."/".$localCss;
|
||
if (file_exists($localCssFilePath)) {
|
||
# Warning, using htmhem.php?url=… will make $localCss not found
|
||
# as the path is relative to htmgem.php and not / !
|
||
$t->addCss($localCss);
|
||
}
|
||
} else { #TODO: regex check for $style
|
||
$t->addCss("/htmgem/css/$style.css");
|
||
}
|
||
|
||
echo $t->getFullHtml();
|
||
|
||
?>
|