]> git.mxchange.org Git - quix0rs-gnu-social.git/blobdiff - plugins/Linkback/LinkbackPlugin.php
[TRANSLATION] Update POTs and normalize files
[quix0rs-gnu-social.git] / plugins / Linkback / LinkbackPlugin.php
index 5aeb4dc8f295527276ab662d8f92f267a9196d77..bb0f1370da54560bb99d1f0f1a718b0789e00c79 100644 (file)
@@ -31,10 +31,9 @@ if (!defined('STATUSNET')) {
     exit(1);
 }
 
-require_once('Auth/Yadis/Yadis.php');
 require_once(__DIR__ . '/lib/util.php');
 
-define('LINKBACKPLUGIN_VERSION', '0.1');
+define('LINKBACKPLUGIN_VERSION', '0.2');
 
 /**
  * Plugin to do linkbacks for notices containing URLs
@@ -102,46 +101,66 @@ class LinkbackPlugin extends Plugin
         return true;
     }
 
+    function unparse_url($parsed_url)
+    {
+       $scheme   = isset($parsed_url['scheme']) ? $parsed_url['scheme'] . '://' : '';
+       $host     = isset($parsed_url['host']) ? $parsed_url['host'] : '';
+       $port     = isset($parsed_url['port']) ? ':' . $parsed_url['port'] : '';
+       $user     = isset($parsed_url['user']) ? $parsed_url['user'] : '';
+       $pass     = isset($parsed_url['pass']) ? ':' . $parsed_url['pass']  : '';
+       $pass     = ($user || $pass) ? "$pass@" : '';
+       $path     = isset($parsed_url['path']) ? $parsed_url['path'] : '';
+       $query    = isset($parsed_url['query']) ? '?' . $parsed_url['query'] : '';
+       $fragment = isset($parsed_url['fragment']) ? '#' . $parsed_url['fragment'] : '';
+       return "$scheme$user$pass$host$port$path$query$fragment";
+    }
+
     function linkbackUrl($url)
     {
         common_log(LOG_DEBUG,"Attempting linkback for " . $url);
 
         $orig = $url;
         $url = htmlspecialchars_decode($orig);
-        $scheme = parse_url($url, PHP_URL_SCHEME);
-        if (!in_array($scheme, array('http', 'https'))) {
+        $base = parse_url($url);
+        if (!in_array($base['scheme'], array('http', 'https'))) {
             return $orig;
         }
 
         // XXX: Do a HEAD first to save some time/bandwidth
+        try {
+            $httpclient = new HTTPClient();
+            $response = $httpclient->get($url, ["User-Agent: {$this->userAgent()}",
+                                                "Accept: application/html+xml,text/html"]);
 
-        $fetcher = Auth_Yadis_Yadis::getHTTPFetcher();
-
-        $result = $fetcher->get($url,
-                                array('User-Agent: ' . $this->userAgent(),
-                                      'Accept: application/html+xml,text/html'));
-
-        if (!in_array($result->status, array('200', '206'))) {
+            if (!in_array($response->getStatus(), array(200, 206))) {
+                throw new Exception('Invalid response code for GET request');
+            }
+        } catch (Exception $e) {
+            // something didn't work out in our GET request
             return $orig;
         }
 
-        // XXX: Should handle relative-URI resolution in these detections
+        $wm = $this->getWebmention($response);
+        if(!is_null($wm)) {
+            $wm = parse_url($wm);
+            if(!$wm) $wm = array();
+            if(!$wm['host']) $wm['host'] = $base['host'];
+            if(!$wm['scheme']) $wm['scheme'] = $base['scheme'];
+            if(!$wm['path']) $wm['path'] = $base['path'];
 
-        $wm = $this->getWebmention($result);
-        if(!empty($wm)) {
             // It is the webmention receiver's job to resolve source
             // Ref: https://github.com/converspace/webmention/issues/43
-            $this->webmention($url, $wm);
+            $this->webmention($url, $this->unparse_url($wm));
         } else {
-            $pb = $this->getPingback($result);
+            $pb = $this->getPingback($response);
             if (!empty($pb)) {
                 // Pingback still looks for exact URL in our source, so we
                 // must send what we have
                 $this->pingback($url, $pb);
             } else {
-                $tb = $this->getTrackback($result);
+                $tb = $this->getTrackback($response);
                 if (!empty($tb)) {
-                    $this->trackback($result->final_url, $tb);
+                    $this->trackback($response->getEffectiveUrl(), $tb);
                 }
             }
         }
@@ -151,29 +170,30 @@ class LinkbackPlugin extends Plugin
 
     // Based on https://github.com/indieweb/mention-client-php
     // which is licensed Apache 2.0
-    function getWebmention($result) {
-        if (isset($result->headers['Link'])) {
-            // XXX: the fetcher only gives back one of each header, so this may fail on multiple Link headers
-            if(preg_match('~<((?:https?://)?[^>]+)>; rel="webmention"~', $result->headers['Link'], $match)) {
-                return $match[1];
-            } elseif(preg_match('~<((?:https?://)?[^>]+)>; rel="http://webmention.org/?"~', $result->headers['Link'], $match)) {
+    function getWebmention(HTTP_Request2_Response $response) {
+        $link = $response->getHeader('Link');
+        if (!is_null($link)) {
+            // XXX: the fetcher gives back a comma-separated string of all Link headers, I hope the parsing works reliably
+            if (preg_match('~<([^>]+)>; rel="?(?:[^" ]* )*(?:http://webmention.org/|webmention)(?: [^" ]*)*"?~', $link, $match)) {
                 return $match[1];
             }
         }
 
         // FIXME: Do proper DOM traversal
-        if(preg_match('/<(?:link|a)[ ]+href="([^"]+)"[ ]+rel="[^" ]* ?webmention ?[^" ]*"[ ]*\/?>/i', $result->body, $match)
-           || preg_match('/<(?:link|a)[ ]+rel="[^" ]* ?webmention ?[^" ]*"[ ]+href="([^"]+)"[ ]*\/?>/i', $result->body, $match)) {
-            return $match[1];
-        } elseif(preg_match('/<(?:link|a)[ ]+href="([^"]+)"[ ]+rel="http:\/\/webmention\.org\/?"[ ]*\/?>/i', $result->body, $match)
-                 || preg_match('/<(?:link|a)[ ]+rel="http:\/\/webmention\.org\/?"[ ]+href="([^"]+)"[ ]*\/?>/i', $result->body, $match)) {
+        // Currently fails https://webmention.rocks/test/13, https://webmention.rocks/test/17
+        if(preg_match('~<(?:link|a)[ ]+href="([^"]*)"[ ]+rel="(?:[^" ]* )*(?:http://webmention.org/|webmention)(?: [^" ]*)*"[ ]*/?>~i', $response->getBody(), $match)
+                || preg_match('~<(?:link|a)[ ]+rel="(?:[^" ]* )*(?:http://webmention.org/|webmention)(?: [^" ]*)*"[ ]+href="([^"]*)"[ ]*/?>~i', $response->getBody(), $match)) {
             return $match[1];
         }
+
+        return NULL;
     }
 
     function webmention($url, $endpoint) {
         $source = $this->notice->getUrl();
 
+        common_log(LOG_DEBUG,"Attempting webmention to $endpoint for $url from $source");
+
         $payload = array(
             'source' => $source,
             'target' => $url
@@ -189,7 +209,7 @@ class LinkbackPlugin extends Plugin
                 $payload
             );
 
-            if(!in_array($response->getStatus(), array(200,202))) {
+            if(!in_array($response->getStatus(), array(200,201,202))) {
                 common_log(LOG_WARNING,
                            "Webmention request failed for '$url' ($endpoint)");
             }
@@ -198,11 +218,11 @@ class LinkbackPlugin extends Plugin
         }
     }
 
-    function getPingback($result) {
-        if (array_key_exists('X-Pingback', $result->headers)) {
-            return $result->headers['X-Pingback'];
-        } else if(preg_match('/<(?:link|a)[ ]+href="([^"]+)"[ ]+rel="[^" ]* ?pingback ?[^" ]*"[ ]*\/?>/i', $result->body, $match)
-                  || preg_match('/<(?:link|a)[ ]+rel="[^" ]* ?pingback ?[^" ]*"[ ]+href="([^"]+)"[ ]*\/?>/i', $result->body, $match)) {
+    function getPingback(HTTP_Request2_Response $response) {
+        if ($response->getHeader('X-Pingback')) {
+            return $response->getHeader('X-Pingback');
+        } elseif (preg_match('/<(?:link|a)[ ]+href="([^"]+)"[ ]+rel="[^" ]* ?pingback ?[^" ]*"[ ]*\/?>/i', $response->getBody(), $match)
+                || preg_match('/<(?:link|a)[ ]+rel="[^" ]* ?pingback ?[^" ]*"[ ]+href="([^"]+)"[ ]*\/?>/i', $response->getBody(), $match)) {
             return $match[1];
         }
     }
@@ -242,10 +262,10 @@ class LinkbackPlugin extends Plugin
     // Largely cadged from trackback_cls.php by
     // Ran Aroussi <ran@blogish.org>, GPL2 or any later version
     // http://phptrackback.sourceforge.net/
-    function getTrackback($result)
+    function getTrackback(HTTP_Request2_Response $response)
     {
-        $text = $result->body;
-        $url = $result->final_url;
+        $text = $response->getBody();
+        $url = $response->getEffectiveUrl();
 
         if (preg_match_all('/(<rdf:RDF.*?<\/rdf:RDF>)/sm', $text, $match, PREG_SET_ORDER)) {
             for ($i = 0; $i < count($match); $i++) {
@@ -296,26 +316,22 @@ class LinkbackPlugin extends Plugin
         // TRANS: Trackback title.
         // TRANS: %1$s is a profile nickname, %2$s is a timestamp.
         $args = array('title' => sprintf(_m('%1$s\'s status on %2$s'),
-                                         $profile->nickname,
-                                         common_exact_date($this->notice->created)),
-                      'excerpt' => $this->notice->content,
+                                         $profile->getNickname(),
+                                         common_exact_date($this->notice->getCreated())),
+                      'excerpt' => $this->notice->getContent(),
                       'url' => $this->notice->getUrl(),
-                      'blog_name' => $profile->nickname);
-
-        $fetcher = Auth_Yadis_Yadis::getHTTPFetcher();
+                      'blog_name' => $profile->getNickname());
 
-        $result = $fetcher->post($endpoint,
-                                 http_build_query($args),
-                                 array('User-Agent: ' . $this->userAgent()));
-
-        if ($result->status != '200') {
-            common_log(LOG_WARNING,
-                       "Trackback error for '$url' ($endpoint): ".
-                       "$result->body");
-        } else {
-            common_log(LOG_INFO,
-                       "Trackback success for '$url' ($endpoint): ".
-                       "'$result->body'");
+        try {
+            $httpclient = new HTTPClient(null, HTTPClient::METHOD_POST);
+            $response = $httpclient->post($endpoint, ["User-Agent: {$this->userAgent()}"], $args);
+            if ($response->getStatus() === 200) {
+                common_log(LOG_INFO, "Trackback success for '$url' ($endpoint): "._ve($response->getBody()));
+            } else {
+                common_log(LOG_WARNING, "Trackback error for '$url' ($endpoint): "._ve($response->getBody()));
+            }
+        } catch (Exception $e) {
+            common_log(LOG_INFO, "Trackback error for '$url' ($endpoint): "._ve($e->getMessage()));
         }
     }