~hxii/saisho

0afe9ea9c0ace8a7a92543d6bd6fb7fe47389da2 — Paul (hxii) Glushak 3 years ago 04c2ae8 
Upstream minor changes. See https://sho.glushak.net/changelog for details
patch browse .tar.gz 
1 files changed, 167 insertions(+), 156 deletions(-)

M index.php

M index.php => index.php +167 -156
@@ 2,8 2,9 @@
/*
最小  —  Saishō MK. 2
https://paulglushak.com/saisho
*/
 */
$time = microtime(true);
define('SAISHO_VERSION', '20200725');
define('META_TITLE', 'Saisho');
define('META_DESCRIPTION', 'Saisho Website');
define('HOST', '//' . $_SERVER['HTTP_HOST']);


@@ 14,163 15,176 @@ define('CACHE_DIR', ROOT_DIR . DS . 'cache');
define('INC_DIR', ROOT_DIR . DS . 'inc');
define('CACHE_TIME', 600);

class Saisho {
	public function getRequestedPage() {
		return (string)trim($_SERVER['REQUEST_URI'], '/');
	}

	public function handleRequest(string $requestedPage) {
		if ($requestedPage == '') { /* Empty request - Homepage */
			$list = $this->listPages();
			return (object)['type' => 'list', 'content' => $this->renderPageList($list) , ];
		}
		$pagePath = DATA_DIR . DS . $requestedPage . '.md';
		if ($this->pageExists($pagePath)) {
			return (object)['type' => 'page', 'content' => $this->renderPage($pagePath) , ];
		}
		else {
			return (object)['type' => 'notfound', 'content' => '<h1>(ノಠ益ಠ)ノ彡 Not found</h1>', ];
		}
	}

	public function listPages() {
		$pages = glob(DATA_DIR . DS . '*.md');
		$return = [];
		foreach ($pages as $page) {
			$pageName = str_replace('.md', '', basename($page));
			$return[$pageName] = $page;
		}
		return $return;
	}
class Saisho
{
    public function getRequestedPage()
    {
        return (string) trim($_SERVER['REQUEST_URI'], '/');
    }

	public function sortPageList(array & $list) {
		uasort($list, function ($a, $b) {
			return strtotime($b['date']) - strtotime($a['date']);
		});
		return (object)$list;
	}
    public function handleRequest(string $requestedPage)
    {
        if ($requestedPage == '') { /* Empty request - Homepage */
            $list = $this->listPages();
            return (object) ['type' => 'list', 'content' => $this->renderPageList($list)];
        }
        $pagePath = DATA_DIR . DS . $requestedPage . '.md';
        if ($this->pageExists($pagePath)) {
            return (object) ['type' => 'page', 'content' => $this->renderPage($pagePath)];
        } else {
            http_response_code(404);
            return (object) ['type' => 'notfound', 'content' => '<h1>(ノಠ益ಠ)ノ彡 Not found</h1>'];
        }
    }

	public function parsePageList(array $list) {
		if (empty($list)) return;
		$parsedPages = [];
		foreach ($list as $name => $path) {
			$page = $this->renderPage($path, true);
			$pageProperties = get_object_vars($page);
			foreach ($pageProperties as $property => $value) {
				$parsedPages[$name][$property] = $value;
			}
		}
		return (array)$parsedPages;
	}
    public function listPages()
    {
        $pages = glob(DATA_DIR . DS . '*.md');
        $list = [];
        foreach ($pages as $page) {
            $pageName = str_replace('.md', '', basename($page));
            $list[$pageName] = $page;
        }
        return $list;
    }

	public function renderPageList(array $list) {
        if (empty($list)) return '<h1>ʅ(°⊱,°)ʃ Nothing found</h1>';
		$list = $this->parsePageList($list);
		$this->sortPageList($list);
		$html = '<ol reversed>' . PHP_EOL;
		foreach ($list as $handle => $page) {
			$html .= "<li><a href='{$handle}'>{$page['title']}</a> &mdash; {$page['date']}</li>" . PHP_EOL;
		}
		$html .= '</ol>' . PHP_EOL;
		return (string)$html;
	}
    public function sortPageList(array &$list)
    {
        uasort($list, function ($a, $b) {
            return strtotime($b['date']) - strtotime($a['date']);
        });
        return (object) $list;
    }

	private function pageExists(string $pageName) {
		$list = $this->listPages();
		return in_array($pageName, $list);
	}
    public function parsePageList(array $list)
    {
        if (!empty($list)) {
            $parsedPages = [];
            foreach ($list as $name => $path) {
                $page = $this->renderPage($path, true);
                $pageProperties = get_object_vars($page);
                foreach ($pageProperties as $property => $value) {
                    $parsedPages[$name][$property] = $value;
                }
            }
            return (array) $parsedPages;
        } else {
            return false;
        }
    }

	private function getRawContent(string $pageName) {
		return file_get_contents($pageName);
	}
    public function renderPageList(array $list)
    {
        if (!empty($list)) {
            $list = $this->parsePageList($list);
            $this->sortPageList($list);
            $html = '<ol reversed>' . PHP_EOL;
            foreach ($list as $handle => $page) {
                $html .= "<li><a href='{$handle}'>{$page['title']}</a> &mdash; {$page['date']}</li>" . PHP_EOL;
            }
            $html .= '</ol>' . PHP_EOL;
            return (string) $html;
        } else {
            return '<h1>ʅ(°⊱,°)ʃ Nothing found</h1>';
        }
    }

	private function parseYaml(string & $str) {
		$parsed = [];
		preg_match("'^---(.+?)---'si", $str, $yaml);
		if (!isset($yaml[0])) {
			return (object)['body' => $str]; /* Return teh rest of the content if header missing */
		}
		$str = str_replace($yaml[0], '', $str);
		$parsed['body'] = $str;
		$yaml = trim($yaml[0]);
		preg_match_all("'(\w+):\s?(.+)'m", $yaml, $yaml_attribs, PREG_SET_ORDER);
		foreach ($yaml_attribs as $attribute) {
			$parsed[$attribute[1]] = trim($attribute[2]);
		}
		return (object)$parsed;
	}
    private function pageExists(string $pageName)
    {
        return file_exists($pageName);
    }

	public function renderPage(string $pageName, bool $onlyYaml = false) {
		include_once INC_DIR . DS . 'Parsedown.php';
		include_once INC_DIR . DS . 'ParsedownExtra.php';
		include_once INC_DIR . DS . 'ParsedownExtended.php';
		$contentRaw = $this->getRawContent($pageName);
		$page = $this->parseYaml($contentRaw);
		/* Set default values if missing */
		$page->title = $page->title??'untitled';
		$page->date = $page->date??'1969-01-01';
		$parsedown = new ParsedownExtended(["toc" => ["enable" => true, "inline" => true, ], "mark" => true, "insert" => true, "task" => true, "kbd" => true, ]);
		if (!$onlyYaml) {
			$page->body = $parsedown->text($page->body);
		}
		else {
			unset($page->body);
		}
		return (object)$page;
	}
    private function getRawContent(string $pageName)
    {
        return (string) file_get_contents($pageName);
    }

	private function buildFeed() {
		$pages = $this->listPages();
		$pages = $this->parsePageList($pages);
		$xml = '
        <rss xmlns:atom="http://www.w3.org/2005/Atom" version="2.0">
        <channel>
        <title>' . META_TITLE . '</title>
        <link>' . HOST . '</link>
        <description>' . META_DESCRIPTION . '</description>
        <generator>Saisho</generator>
        <language>en-us</language>
        <lastBuildDate>' . date('r') . '</lastBuildDate>
        <atom:link href="' . HOST . '/feed.xml" rel="self" type="application/rss+xml"/>' . PHP_EOL;
		foreach ($pages as $handle => $page) {
			$xml .= '<item>' . PHP_EOL;
			$xml .= '<title>' . $page['title'] . '</title>' . PHP_EOL;
			$xml .= '<link>' . HOST . DS . $handle . '</link>' . PHP_EOL;
			$xml .= '<pubDate>' . date('r', strtotime($page['date'])) . '</pubDate>' . PHP_EOL;
			$xml .= '<description>' . ($page['description']??'') . '</description>' . PHP_EOL;
			$xml .= '</item>' . PHP_EOL;
		}
		$xml .= '</channel></rss>';
		return $xml;
	}
    private function parseYaml(string &$str)
    {
        $parsed = [];
        preg_match("'^---(.+?)---'si", $str, $yaml);
        if (isset($yaml[0])) {
            $str = str_replace($yaml[0], '', $str);
            $parsed['body'] = $str;
            $yaml = trim($yaml[0]);
            preg_match_all("'(\w+):\s?(.+)'m", $yaml, $yaml_attribs, PREG_SET_ORDER);
            foreach ($yaml_attribs as $attribute) {
                $parsed[$attribute[1]] = trim($attribute[2]);
            }
            return (object) $parsed;
        } else {
            return (object) ['body' => $str];
        }
    }

	public function saveFeed($filename = 'feed.xml') {
		global $config;
		if ((time() - filemtime($filename) >= CACHE_TIME) || !file_exists($filename)) {
			$fh = fopen($filename, 'w');    
			if (!$fh) return false;
			fwrite($fh, $this->buildFeed());
			fclose($fh);
			return HOST . DS . 'feed.xml';
		}
	}
    public function renderPage(string $pageName, bool $onlyYaml = false)
    {
        include_once INC_DIR . DS . 'Parsedown.php';
        include_once INC_DIR . DS . 'ParsedownExtra.php';
        include_once INC_DIR . DS . 'ParsedownExtended.php';
        $contentRaw = $this->getRawContent($pageName);
        $page = $this->parseYaml($contentRaw);
        $page->title = $page->title ?? 'untitled'; /* Set default values if missing */
        $page->date = $page->date ?? '1969-01-01';
        $parsedown = new ParsedownExtended(["toc" => ["enable" => true, "inline" => true], "mark" => true, "insert" => true, "task" => true, "kbd" => true]);
        if (!$onlyYaml) {
            $page->body = $parsedown->text($page->body);
        } else {
            unset($page->body);
        }
        return (object) $page;
    }

	public function debug($var) {
		echo '<pre>' . var_export($var, true) . '</pre>';
	}
    private function buildFeed()
    {
        $pages = $this->listPages();
        $pages = $this->parsePageList($pages);
        if ($pages) {
            $xml = '<rss xmlns:atom="http://www.w3.org/2005/Atom" version="2.0">
          <channel>
          <title>' . META_TITLE . '</title>
          <link>' . HOST . '</link>
          <description>' . META_DESCRIPTION . '</description>
          <generator>Saisho</generator>
          <language>en-us</language>
          <lastBuildDate>' . date('r') . '</lastBuildDate>
          <atom:link href="' . HOST . '/feed.xml" rel="self" type="application/rss+xml"/>' . PHP_EOL;
            foreach ($pages as $handle => $page) {
                $xml .= '<item>' . PHP_EOL;
                $xml .= '<title>' . $page['title'] . '</title>' . PHP_EOL;
                $xml .= '<link>' . HOST . DS . $handle . '</link>' . PHP_EOL;
                $xml .= '<pubDate>' . date('r', strtotime($page['date'])) . '</pubDate>' . PHP_EOL;
                $xml .= '<description>' . ($page['description'] ?? '') . '</description>' . PHP_EOL;
                $xml .= '</item>' . PHP_EOL;
            }
            $xml .= '</channel></rss>';
            return $xml;
        }
    }

    public function saveFeed($filename = 'feed.xml')
    {
        if ((time() - filemtime($filename) >= CACHE_TIME) || !file_exists($filename)) {
            $fh = fopen($filename, 'w');
            if ($fh) {
                fwrite($fh, $this->buildFeed());
                fclose($fh);
                return HOST . DS . 'feed.xml';
            }
        }
    }
}

$saisho = new Saisho();
$pageName = $saisho->getRequestedPage();
$page = $saisho->handleRequest($pageName);
$filePath = CACHE_DIR . DS . $pageName . '.html';
header('x-generator: saisho mk.2');
header('cache-control:public, max-age='.CACHE_TIME.', immutable');
if (($pageName !== '') && (time() - @filemtime($filePath) <= CACHE_TIME)) {
	header('Last-Modified:' . gmdate('D, d M Y H:i:s ', @filemtime($filePath)) . 'GMT');
	readfile($filePath);
	exit;
header('x-generator: Saisho Mk.2 ' . SAISHO_VERSION);
header('Cache-Control: public, max-age=' . CACHE_TIME . ', immutable');
if (($pageName !== '') && (time()-@filemtime($filePath) <= CACHE_TIME)) {
    header('Last-Modified:' . gmdate('D, d M Y H:i:s ', @filemtime($filePath)) . 'GMT');
    readfile($filePath);
    exit;
}
ob_start();
echo '<!-- Saisho Cached Copy - ' . date('Y-m-d h:i:s') . ' -->' . PHP_EOL;


@@ 179,9 193,10 @@ echo '<!-- Saisho Cached Copy - ' . date('Y-m-d h:i:s') . ' -->' . PHP_EOL;
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <link href="data:image/x-icon;base64,AAA" rel="icon">
  <link href="data:," rel="icon">
  <link href="feed.xml" rel="alternate" type="application/rss+xml" title="<?php echo META_TITLE ?> RSS Feed">
  <title><?php echo isset($page->content->title) ? $page->content->title . ' &mdash; ' . META_TITLE : META_TITLE; ?></title>
  <title><?= isset($page->content->title) ? $page->content->title . ' &mdash; ' . META_TITLE : META_TITLE; ?>
  </title>
  <style>
    body { font: 17px/1.6 sans-serif; text-rendering: optimizeLegibility; padding: 2rem }
    pre { white-space: pre-wrap }


@@ 190,9 205,7 @@ echo '<!-- Saisho Cached Copy - ' . date('Y-m-d h:i:s') . ' -->' . PHP_EOL;
    a:hover, a.heading-link { text-decoration: none }
    .c { max-width: 70ch }
    .fa-link:before { font-style: normal; content: "§" }
    @media screen and (max-width: 800px) {
        .c { max-width: 100% }
    }
    @media screen and (max-width: 800px) { .c { max-width: 100% } }
  </style>
</head>
<body>


@@ 204,19 217,18 @@ echo '<!-- Saisho Cached Copy - ' . date('Y-m-d h:i:s') . ' -->' . PHP_EOL;
            echo '<div>' . $page->content . '</div>';
            break;
        case 'page':
            echo '<a href="//' . HOST . '">↩</a> / <time datetime="' . $page->content->date . '">' . $page->content->date . '</time>';
            $html = <<<EOD
                <h1>{$page->content->title}</h1>
                <div class="content">{$page->content->body}</div>
                EOD;
            echo $html;
            echo '<a href="' . HOST . '">↩</a> / <time datetime="' . $page->content->date . '">' . $page->content->date . '</time>';
            echo <<<EOD
                        <h1>{$page->content->title}</h1>
                        <div class="content">{$page->content->body}</div>
                        EOD;
            break;
        case 'notfound':
            echo '<a href="//' . HOST . '">escape</a>';
            echo '<a href="' . HOST . '">escape</a>';
            echo $page->content;
            break;
        default:
            echo '<a href="//' . HOST . '">escape</a>';
            echo '<a href="' . HOST . '">escape</a>';
            echo "Sorry, don't know what {$page->type} is.";
            break;
    }


@@ 229,5 241,4 @@ if ($pageName !== '') {
    file_put_contents($filePath, ob_get_contents());
    ob_end_flush();
}
$saisho->saveFeed();
echo '<pre>' . round(((microtime(true) - $time) * 1000), 3) . 'ms</pre>';
\ No newline at end of file
$saisho->saveFeed();
\ No newline at end of file