X-Git-Url: http://git.shiar.nl/minimedit.git/blobdiff_plain/1abb286e88defee799e43cdd296914f74f722bde..HEAD:/article.inc.php

diff --git a/article.inc.php b/article.inc.php
index bc8dbff..093852f 100644
--- a/article.inc.php
+++ b/article.inc.php
@@ -1,25 +1,40 @@
 <?php
-global $monthname;
-$monthname = ['?',
-	'januari', 'februari', 'maart', 'april', 'mei', 'juni',
-	'juli', 'augustus', 'september', 'oktober', 'november', 'december',
-];
-
-function showdate($parts)
-{
-	global $monthname;
-	return implode(' ', array_filter([
-		intval(@$parts[2]), $parts[1] > 0 ? $monthname[intval($parts[1])] : '', $parts[0],
-		count($parts) > 5 ? "$parts[3]:$parts[4]" : '',
-	]));
-}
-
 class ArchiveArticle
 {
+	public $raw, $title, $body; # file contents
+	public $meta = [];  # head metadata properties
+	public $place = []; # template variables replaced in render()
+	public $api = FALSE; # requested programming interface
+
 	function __construct($path)
 	{
-		$this->page = $path;
-		$this->link = preg_replace('{(?:/index)?\.html$}', '', $path);
+		$this->file = preg_replace('{^\.(?:/|$)}', '', $path);
+		$this->link = preg_replace('{(?:(?:/|^)index)?\.html$}', '', $this->file);
+		$this->raw($this->file);
+	}
+
+	function raw($page)
+	{
+		if (!file_exists($page)) {
+			return;
+		}
+		$this->raw = file_get_contents($page);
+
+		if (preg_match_all('{
+			\G <meta \s+ property="( [^"]+ )" \s+ content="( [^"]* )" > \s*
+		}x', $this->raw, $meta)) {
+			$matchlen = array_sum(array_map('strlen', $meta[0]));
+			$this->raw = substr($this->raw, $matchlen); # delete matched contents
+			$this->meta = array_combine($meta[1], $meta[2]); # [property => content]
+		}
+
+		// find significant contents
+		$this->body = preg_replace('{<aside\b.*?</aside>}s', '', $this->raw);
+		if (preg_match('{<h2>(.*?)</h2>\s*(.*)}s', $this->body, $titlematch)) {
+			list (, $this->title, $this->body) = $titlematch;
+		}
+
+		return $this->raw;
 	}
 
 	function __get($col)
@@ -27,32 +42,60 @@ class ArchiveArticle
 		return $this->$col = $this->$col();  # run method and cache
 	}
 
-	function file()
+	function handler()
 	{
-		if (!file_exists($this->page)) return;
-		return fopen($this->page, 'r');
+		$path = $this->link;
+		$this->path = '';
+		$this->restricted = FALSE;
+		while (TRUE) {
+			if (file_exists("$path/.private") and !$this->restricted) {
+				$this->restricted = $path;
+			}
+
+			if (file_exists("$path/index.php")) {
+				return $path;
+			}
+
+			$up = strrpos($path, '/');
+			$this->path = substr($path, $up) . $this->path;
+			$path = substr($path, 0, $up);
+			if ($up === FALSE) {
+				break;
+			}
+		}
+		return;
 	}
 
-	function rawtitle()
+	function index($api = TRUE)
 	{
-		return fgets($this->file);
+		$this->handler;
+		if (empty($this->handler)) {
+			return;
+		}
+		$this->api = $api;
+		$Page = $this;
+		global $User;
+		return require "./{$this->handler}/index.php";
 	}
-	function title()
+
+	function restricted()
 	{
-		return preg_replace('{<h2>(.*)</h2>\s*}', '\1', $this->rawtitle);
+		$this->handler;
+		return $this->restricted;
 	}
+
 	function safetitle()
 	{
-		return trim(strip_tags($this->title));
+		return trim($this->meta['og:title'] ?? strip_tags($this->title));
 	}
 	function name()
 	{
-		return $this->safetitle ?: $this->link;
+		return $this->safetitle ?: htmlspecialchars($this->link);
 	}
 
 	function last()
 	{
-		return filemtime($this->page);
+		return filemtime($this->file);
 	}
 	function lastiso()
 	{
@@ -61,7 +104,7 @@ class ArchiveArticle
 
 	function dateparts()
 	{
-		preg_match('< / (\d{4}) [/-] (\d{2}) (?:- (\d{2}) )? - >x', $this->page, $ymd);
+		preg_match('< / (\d{4}) [/-] (\d{2}) (?:- (\d{2}) )? - >x', $this->file, $ymd);
 		array_shift($ymd);
 		return $ymd;
 	}
@@ -69,21 +112,11 @@ class ArchiveArticle
 	{
 		return implode('-', $this->dateparts()) . 'T12:00:00+02:00';
 	}
-	function date()
-	{
-		return showdate($this->dateparts);
-	}
 
-	function body()
-	{
-		if (!$this->file) return;
-		$this->rawtitle;
-		return fread($this->file, filesize($this->page) ?: 1);
-	}
 	function story()
 	{
 		if ( preg_match('{
-			\n (?: < (?: p | figure [^>]* ) >\s* )+ (<img\ [^>]*>) | \n <hr\ />
+			(?: < (?: p | figure [^>]* ) >\s* )+ (<img\ [^>]*>) | \n <hr\ />
 		}x', $this->body, $img, PREG_OFFSET_CAPTURE) ) {
 			# strip part after matching divider (image)
 			if (isset($img[1])) {
@@ -94,13 +127,17 @@ class ArchiveArticle
 		return $this->body;
 	}
 
-	function raw()
-	{
-		return $this->rawtitle . $this->body;
-	}
 	function teaser()
 	{
-		if (preg_match('{<p>(.*?)</p>}s', $this->story, $bodyp)) {
+		if ($override = @$this->meta['og:description']) {
+			# prefer specific page description if found in metadata
+			return $override;
+		}
+
+		# paragraph contents following the page header if any
+		if (preg_match('{
+			\G (?> \s+ | <div [^>]*> | \[\[[^]]*\]\] )* <p> \s* (.*?) </p>
+		}sx', $this->body, $bodyp, 0)) {
 			return $bodyp[1];
 		}
 	}
@@ -113,6 +150,11 @@ class ArchiveArticle
 	}
 	function image()
 	{
+		if ($override = @$this->meta['og:image']) {
+			# prefer specific page image if found in metadata
+			return $override;
+		}
+
 		if ( preg_match('/\bsrc="([^"]*)"/', $this->img, $src) ) {
 			return $src[1];
 		}
@@ -120,9 +162,133 @@ class ArchiveArticle
 	function thumb($size = '300x')
 	{
 		if (!$this->image or $this->image[0] !== '/') return;
+		if (preg_match('{^/thumb/\D}', $this->image)) {
+			return ltrim($this->image, '/');
+		}
 		return preg_replace(
-			['{^(?:/thumb/[^/]*)?}', '/\.groot(?=\.\w+$)/'], ["thumb/$size", ''],
-			$this->image
+			['{^(?:/thumb/[^/]*)?}', '/\.groot(?=\.\w+$)/', '/(?:\.jpg)?$/'],
+			[      "thumb/$size",    '',                         '.jpg'    ],
+			$this->image, 1
 		);
 	}
+
+	function widget($name, $params = [])
+	{
+		$path = stream_resolve_include_path("widget/$name.php");
+		if (!file_exists($path)) {
+			return '<strong class="warn"><em>'.$name.'</em> ontbreekt</strong>';
+		}
+
+		ob_start();
+		$Page = clone $this;
+		if (is_array($params)) {
+			$Page->place += $params;
+		}
+		else {
+			foreach (explode(' ', $params) as $param) {
+				if ($set = strpos($param, '=')) {
+					$Page->place[ substr($param, 0, $set) ] = urldecode(substr($param, $set + 1));
+				}
+				elseif (!empty($param)) {
+					$Page->place[] = $param;
+				}
+			}
+		}
+
+		try {
+			include "widget/$name.php";
+			return ob_get_clean();
+		}
+		catch (Exception $e) {
+			return sprintf('<strong class="warn">%s</strong>',
+				"fout in <em>$name</em>: {$e->getMessage()}"
+			);
+		}
+	}
+
+	function render()
+	{
+		$doc = $this->raw;
+
+		if (!empty($this->place['warn'])) {
+			$warn = '<p class="warn">[[warn]]</p>';
+			if ($offset = strpos($doc, '</h2>')) {
+				$doc = substr_replace($doc, "\n\n".$warn, $offset + 5, 0);
+			}
+			else {
+				$doc = $warn . "\n\n" . $doc;
+			}
+		}
+
+		# keep either login or logout parts depending on user level
+		global $User;
+		$userexists = $User && property_exists($User, 'login') && $User->login;
+		if (! ($userexists and !empty($this->editable)) ) {
+			# remove matching elements until first corresponding closing tag
+			$hideclass = $userexists ? 'logout' : 'login';
+			$tagmatch = '<([a-z]+) class="'.$hideclass.'"[^>]*>';
+			$doc = preg_replace("{\s*{$tagmatch}.*?</\\1>}s", '', $doc);
+		}
+
+		return preg_replace_callback(
+			'{ \[\[ ([^] ]+) ([^]]*) \]\] }x',
+			function ($sub) {
+				list ($placeholder, $name, $params) = $sub;
+				$html = $this->place[$name] ??
+					$this->widget($name, $params);
+				if (empty($html) or $html[0] != '<') {
+					$html = "<span>$html</span>";
+				}
+				$attr = sprintf(' data-dyn="%s"', is_numeric($name) ? '' : $name.$params);
+				# contents with identifier in first tag
+				return preg_replace( '/(?=>)/', $attr, $html, 1);
+			},
+			$doc
+		);
+	}
+}
+
+class PageSearch
+{
+	public $handlers = [];
+
+	function __construct($path = '.')
+	{
+		$this->iterator = new RecursiveCallbackFilterIterator(
+			new RecursiveDirectoryIterator($path),
+			function ($current) {
+				if ($current->getFilename()[0] === '.') {
+					# skip hidden files and directories
+					return FALSE;
+				}
+				if (file_exists($current->getFilename() . '/index.php')) {
+					# contents better provided by handler code
+					$this->handlers[ $current->getPathname() ] = $current;
+					return FALSE;
+				}
+				if ($current->isLink()) {
+					# ignore symlinks, original contents only
+					return FALSE;
+				}
+				if ($current->isDir()) {
+					# traverse subdirectories unless untracked in any amount
+					return !file_exists("$current/.gitignore");
+				}
+				# match **/*.html
+				return preg_match('/(?<!\.inc)\.html$/', $current->getFilename());
+			}
+		);
+	}
+
+	function files()
+	{
+		# order alphabetically by link
+		$dir = [];
+		foreach (new RecursiveIteratorIterator($this->iterator) as $name) {
+			$article = new ArchiveArticle($name);
+			$dir[$article->link] = $article;
+		}
+		ksort($dir);
+		return $dir;
+	}
 }