Sbgodin/HtmGem
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HtmGem/index.php

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Setup easy installation on shared host
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<?php
Split index.php into two files to isolate the lib
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require_once "lib-htmgem.php";
Adds 404 page
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Deep refactoring: parsing, translating, classes * Removes "^" to disable text decoration line-wise. * Split HTML generation in two: parsing and translating. * Create class to handle gemtext parsing. * Create class to translate to HTML. * Create class to generate back gemtext (for future test cases). * Uses generators to parse then translate. * Fix: 404 doesn't occur for an empty file. * Page 404 fully generated by HtmGem itself. * CSS is no longer incorporated in the HTML page. * Handle CSS inclusion by addCss() calls.
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# The url argument is always absolute compared to the document root.
Manages the styles. WIP.
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$url = @$_REQUEST["url"];
Deep refactoring: parsing, translating, classes * Removes "^" to disable text decoration line-wise. * Split HTML generation in two: parsing and translating. * Create class to handle gemtext parsing. * Create class to translate to HTML. * Create class to generate back gemtext (for future test cases). * Uses generators to parse then translate. * Fix: 404 doesn't occur for an empty file. * Page 404 fully generated by HtmGem itself. * CSS is no longer incorporated in the HTML page. * Handle CSS inclusion by addCss() calls.
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/* Installation page
*
* Accessing directly /htmgem will make display the self-hosted documentation
typo
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* contained in "index.gmi". If it's removed, display an empty page with a
Deep refactoring: parsing, translating, classes * Removes "^" to disable text decoration line-wise. * Split HTML generation in two: parsing and translating. * Create class to handle gemtext parsing. * Create class to translate to HTML. * Create class to generate back gemtext (for future test cases). * Uses generators to parse then translate. * Fix: 404 doesn't occur for an empty file. * Page 404 fully generated by HtmGem itself. * CSS is no longer incorporated in the HTML page. * Handle CSS inclusion by addCss() calls.
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* comment
*/
Setup easy installation on shared host
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if (empty($url)) {
Shows nothing if index.gmi is not present
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if (!file_exists("index.gmi")) {
http_response_code(403);
die("<!-- index.gmi missing -->");
}
Deep refactoring: parsing, translating, classes * Removes "^" to disable text decoration line-wise. * Split HTML generation in two: parsing and translating. * Create class to handle gemtext parsing. * Create class to translate to HTML. * Create class to generate back gemtext (for future test cases). * Uses generators to parse then translate. * Fix: 404 doesn't occur for an empty file. * Page 404 fully generated by HtmGem itself. * CSS is no longer incorporated in the HTML page. * Handle CSS inclusion by addCss() calls.
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$t = new \htmgem\GemTextTranslate_html(@file_get_contents("index.gmi"));
echo $t->getFullHtml();
exit();
Setup easy installation on shared host
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}
Enable security on what gmi file the client asks. * checks realPath() against no-existent files, * checks the file suffix '.gmi' * checks the directory belongs to that of the site.
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$documentRoot = $_SERVER['DOCUMENT_ROOT'];
Setup easy installation on shared host
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Deep refactoring: parsing, translating, classes * Removes "^" to disable text decoration line-wise. * Split HTML generation in two: parsing and translating. * Create class to handle gemtext parsing. * Create class to translate to HTML. * Create class to generate back gemtext (for future test cases). * Uses generators to parse then translate. * Fix: 404 doesn't occur for an empty file. * Page 404 fully generated by HtmGem itself. * CSS is no longer incorporated in the HTML page. * Handle CSS inclusion by addCss() calls.
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# Removes the headling and trailling slashes, to be sure there's not any.
$filePath = rtrim($_SERVER['DOCUMENT_ROOT'], "/")."/".ltrim($url, "/");
Setup easy installation on shared host
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Enable security on what gmi file the client asks. * checks realPath() against no-existent files, * checks the file suffix '.gmi' * checks the directory belongs to that of the site.
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switch(true) {
case !realPath($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:
$go404 = false;
}
Deep refactoring: parsing, translating, classes * Removes "^" to disable text decoration line-wise. * Split HTML generation in two: parsing and translating. * Create class to handle gemtext parsing. * Create class to translate to HTML. * Create class to generate back gemtext (for future test cases). * Uses generators to parse then translate. * Fix: 404 doesn't occur for an empty file. * Page 404 fully generated by HtmGem itself. * CSS is no longer incorporated in the HTML page. * Handle CSS inclusion by addCss() calls.
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/* 404 page
*/
Enable security on what gmi file the client asks. * checks realPath() against no-existent files, * checks the file suffix '.gmi' * checks the directory belongs to that of the site.
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if ($go404) {
Manages the styles. WIP.
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error_log("HtmGem: 404 $url $filePath");
Deep refactoring: parsing, translating, classes * Removes "^" to disable text decoration line-wise. * Split HTML generation in two: parsing and translating. * Create class to handle gemtext parsing. * Create class to translate to HTML. * Create class to generate back gemtext (for future test cases). * Uses generators to parse then translate. * Fix: 404 doesn't occur for an empty file. * Page 404 fully generated by HtmGem itself. * CSS is no longer incorporated in the HTML page. * Handle CSS inclusion by addCss() calls.
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http_response_code(404);
$page404 = <<<EOF
Manages the styles. WIP.
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# ⚠ Page non trouvée
Adds 404 page
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Fixes 404 page text decoration, adds reload message
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​**$url**
Adds 404 page
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Adds icons in the 404 page
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=> .. 🔄 🔄
Adds 404 page
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EOF;
Deep refactoring: parsing, translating, classes * Removes "^" to disable text decoration line-wise. * Split HTML generation in two: parsing and translating. * Create class to handle gemtext parsing. * Create class to translate to HTML. * Create class to generate back gemtext (for future test cases). * Uses generators to parse then translate. * Fix: 404 doesn't occur for an empty file. * Page 404 fully generated by HtmGem itself. * CSS is no longer incorporated in the HTML page. * Handle CSS inclusion by addCss() calls.
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$t = new \htmgem\GemTextTranslate_html($page404);
echo $t->getFullHtml();
exit();
Setup easy installation on shared host
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}
Enable security on what gmi file the client asks. * checks realPath() against no-existent files, * checks the file suffix '.gmi' * checks the directory belongs to that of the site.
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# to false only if textDecoration=0 in the URL
$textDecoration = "0" != @$_REQUEST['textDecoration'];
Deep refactoring: parsing, translating, classes * Removes "^" to disable text decoration line-wise. * Split HTML generation in two: parsing and translating. * Create class to handle gemtext parsing. * Create class to translate to HTML. * Create class to generate back gemtext (for future test cases). * Uses generators to parse then translate. * Fix: 404 doesn't occur for an empty file. * Page 404 fully generated by HtmGem itself. * CSS is no longer incorporated in the HTML page. * Handle CSS inclusion by addCss() calls.
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$fileContents = @file_get_contents($filePath);
Setup easy installation on shared host
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# Removes the Byte Order Mark
$fileContents = preg_replace("/\xEF\xBB\xBF/", "", $fileContents);
Deep refactoring: parsing, translating, classes * Removes "^" to disable text decoration line-wise. * Split HTML generation in two: parsing and translating. * Create class to handle gemtext parsing. * Create class to translate to HTML. * Create class to generate back gemtext (for future test cases). * Uses generators to parse then translate. * Fix: 404 doesn't occur for an empty file. * Page 404 fully generated by HtmGem itself. * CSS is no longer incorporated in the HTML page. * Handle CSS inclusion by addCss() calls.
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/* CSS and special style management
*/
Manages the styles. WIP.
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Deep refactoring: parsing, translating, classes * Removes "^" to disable text decoration line-wise. * Split HTML generation in two: parsing and translating. * Create class to handle gemtext parsing. * Create class to translate to HTML. * Create class to generate back gemtext (for future test cases). * Uses generators to parse then translate. * Fix: 404 doesn't occur for an empty file. * Page 404 fully generated by HtmGem itself. * CSS is no longer incorporated in the HTML page. * Handle CSS inclusion by addCss() calls.
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$style = @$_REQUEST['style'];
Manages the styles. WIP.
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if ("source" == $style) {
Forces download when using "source" as a style
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$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));
Deep refactoring: parsing, translating, classes * Removes "^" to disable text decoration line-wise. * Split HTML generation in two: parsing and translating. * Create class to handle gemtext parsing. * Create class to translate to HTML. * Create class to generate back gemtext (for future test cases). * Uses generators to parse then translate. * Fix: 404 doesn't occur for an empty file. * Page 404 fully generated by HtmGem itself. * CSS is no longer incorporated in the HTML page. * Handle CSS inclusion by addCss() calls.
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echo $fileContents;
Forces download when using "source" as a style
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exit();
Adds the style "pre"
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} elseif ("pre" == $style) {
Deep refactoring: parsing, translating, classes * Removes "^" to disable text decoration line-wise. * Split HTML generation in two: parsing and translating. * Create class to handle gemtext parsing. * Create class to translate to HTML. * Create class to generate back gemtext (for future test cases). * Uses generators to parse then translate. * Fix: 404 doesn't occur for an empty file. * Page 404 fully generated by HtmGem itself. * CSS is no longer incorporated in the HTML page. * Handle CSS inclusion by addCss() calls.
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# Gets the page title: the first occurrence with # at the line start
mb_ereg("#\s*([^\n]+)\n", $fileContents, $matches);
$page_title = @$matches[1];
Escapes the quotes and enable double encode
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$fileContents = htmlspecialchars($fileContents, ENT_HTML5|ENT_QUOTES, "UTF-8", true);
Adds the style "pre"
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echo <<<EOL
<!DOCTYPE html>
<html>
<head>
<title>$page_title</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
</head>
Deep refactoring: parsing, translating, classes * Removes "^" to disable text decoration line-wise. * Split HTML generation in two: parsing and translating. * Create class to handle gemtext parsing. * Create class to translate to HTML. * Create class to generate back gemtext (for future test cases). * Uses generators to parse then translate. * Fix: 404 doesn't occur for an empty file. * Page 404 fully generated by HtmGem itself. * CSS is no longer incorporated in the HTML page. * Handle CSS inclusion by addCss() calls.
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<pre>
$fileContents</pre>
Adds the style "pre"
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</body>
</html>
EOL;
Deep refactoring: parsing, translating, classes * Removes "^" to disable text decoration line-wise. * Split HTML generation in two: parsing and translating. * Create class to handle gemtext parsing. * Create class to translate to HTML. * Create class to generate back gemtext (for future test cases). * Uses generators to parse then translate. * Fix: 404 doesn't occur for an empty file. * Page 404 fully generated by HtmGem itself. * CSS is no longer incorporated in the HTML page. * Handle CSS inclusion by addCss() calls.
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exit();
WIP
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}
$t = new \htmgem\GemTextTranslate_html($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);
Manages the styles. WIP.
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}
WIP
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} else { #TODO: regex check for $style
$t->addCss("/htmgem/css/$style.css");
Manages the styles. WIP.
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}
Deep refactoring: parsing, translating, classes * Removes "^" to disable text decoration line-wise. * Split HTML generation in two: parsing and translating. * Create class to handle gemtext parsing. * Create class to translate to HTML. * Create class to generate back gemtext (for future test cases). * Uses generators to parse then translate. * Fix: 404 doesn't occur for an empty file. * Page 404 fully generated by HtmGem itself. * CSS is no longer incorporated in the HTML page. * Handle CSS inclusion by addCss() calls.
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echo $t->getFullHtml();
Setup easy installation on shared host
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?>
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