Added ability to send webmentions.

converspace · Jun 4, 2013 · 02f0be8 · 02f0be8
1 parent 8fd5b43
commit 02f0be8
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Showing 3 changed files with 55 additions and 2 deletions.
diff --git a/helpers.php b/helpers.php
@@ -1,5 +1,31 @@
 <?php
 
+	use phpish\http;
+
+
+	function send_webmention($source, $target)
+	{
+		$response_headers = $matches = array();
+		$target_webmention_endpoint = false;
+		$response_body = http\request("GET $target", array(), array(), $response_headers);
+		if (isset($response_headers['link']) and preg_match('#<(httpds?://[^>]+)>; rel="http://webmention.org/"#', $response_headers['link'], $matches))
+		{
+			$target_webmention_endpoint = $matches[1];
+		}
+		elseif (preg_match('#<link href="([^"]+)" rel="http://webmention.org/" ?/?>#i', $response_body, $matches))
+		{
+			$target_webmention_endpoint = $matches[1];
+		}
+
+		if ($target_webmention_endpoint)
+		{
+			$response_body = http\request("POST $target_webmention_endpoint", array(), array('source'=>$source, 'target'=>$target), $response_headers);
+			print_r($response_headers);
+			print_r($response_body);
+		}
+
+	}
+
 	function gravatar_url($email, $s=80, $d='mm', $r='g', $img=false)
 	{
 		$url = 'http://www.gravatar.com/avatar/';

diff --git a/index.php b/index.php
@@ -68,7 +68,7 @@
 	});
 
 
-	app\post('/post', function($req) {
+	app\post(array('/post', '/send-webmention'), function($req) {
 
 		if (!isset($_SESSION['user']))
 		{
@@ -107,18 +107,43 @@
 	});
 
 
+	app\post('/send-webmention', function($req) {
+		foreach ($req['form']['targets'] as $target) send_webmention($req['form']['source'], $target);
+	});
+
+
+	app\get('/send-webmention/{post_id:digits}', function($req) {
+		$post_id = $req['matches']['post_id'];
+		list($posts, $pager) = get_post($post_id, true);
+		$post = $posts[0];
+		$dom = new DOMDocument;
+		@$dom->loadHTML($post['content']);
+		$links = $dom->getElementsByTagName('a');
+		echo '<form method="post" action="'.SITE_BASE_URL.'send-webmention">';
+		echo '<input type="hidden" name="source" value="'.SITE_BASE_URL.$post_id.'">';
+		foreach ($links as $link){
+			$link_href = $link->getAttribute('href');
+			echo '<input type="checkbox" name="targets[]" value="'.$link_href.'">'.$link_href.'<br>';
+		}
+		echo '<input type="submit" name="action" value="Send WebMentions">';
+		echo '</form>';
+	});
+
+
 	// test with curl -d "source=foo.com&target=bar.com" <webmention-endpoint>
 	app\post('/webmention', function($req) {
 		// Figure out post_id of target
 		// Save to db
+		return app\response(array('result'=>'WebMention was successful'), 202);
 	});
 
+
 	// test with curl -I <URL>
 	app\any('/{post_id:digits}', function($req, $authorized=false) {
 		$response =  app\next($req, $authorized);
 		return app\response($response, 200, array
 		(
-			"Link"=>'<http://'.SITE_BASE_URL.'webmention>; rel="http://webmention.org/"'
+			"Link"=>'<'.SITE_BASE_URL.'webmention>; rel="http://webmention.org/"'
 		));
 	});
 

diff --git a/templates/index.html.php b/templates/index.html.php
@@ -62,6 +62,8 @@
 									<a href="http://www.facebook.com/sharer.php?s=100&p[title]=<?php echo urlencode(ltrim($post['title'], '# ')) ?>&p[url]=<?php echo urlencode(SITE_BASE_URL.$post['id']) ?>&p[summary]=<?php echo urlencode($post['raw']) ?>" target="_blank">Share on Facebook</a>
 									-
 									<a href="https://plus.google.com/share?url=<?php echo urlencode(SITE_BASE_URL.$post['id']) ?>" target="_blank">Share on Google+</a>
+									-
+									<a href="<?php echo SITE_BASE_URL ?>send-webmention/<?php echo $post['id'] ?>" target="_blank">Send WebMentions</a>
 								<?php endif; ?>
 
 							</div>