Changeset 277

Timestamp:

08/01/08 19:38:42 (4 months ago)

Author:

Seldaek

Message:

fixes #43

Files:

• trunk/Phergie/Plugin/Google.php (added)
• trunk/Phergie/Plugin/TinyUrl.php (modified) (1 diff)
• trunk/Phergie/Plugin/Url.php (modified) (3 diffs)

trunk/Phergie/Plugin/TinyUrl.php

@@ -2 +2 @@
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-/**
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- */
-class Phergie_Plugin_TinyUrl extends Phergie_Plugin_Abstract_Cron

trunk/Phergie/Plugin/Url.php

@@ -4 +4 @@
- * Monitors incoming messages for instances of URLs and responds with messages
- * containing relevant information about detected URLs.
+ * 
+ * Has an utility method accessible through $this->getPlugin('Url')->getTitle('http://foo..')
- */
-class Phergie_Plugin_Url extends Phergie_Plugin_Abstract_Base
@@ -258 +260 @@
-                }
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-                $responses[] = str_replace(array(
@@ -600 +533 @@
-        unset($temp);
-    }
+
+    /**
+         * Returns the title of the given page
+         *
+         * @param string $url url to the page
+         * @return string title
+         */
+    public function getTitle($url)
+    {
+                $opts = array(
+                        'http' => array(
+                                'timeout' => 3.5,
+                                'method' => 'GET',
+                                'user_agent' => 'Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.12) Gecko/20080201 Firefox/2.0.0.12'
+                        )
+                );
+                $context = stream_context_create($opts);
+
+                if ($page = fopen($url, 'r', false, $context)) {
+                        stream_set_timeout($page, 3.5);
+                        $data = stream_get_meta_data($page);
+                        foreach($data['wrapper_data'] as $header) {
+                                if (preg_match('/^Content-Type: ([^;]+)/', $header, $match) &&
+                                        !preg_match('#^(text/x?html|application/xhtml+xml)$#', $match[1])) {
+                                        $title = $match[1];
+                                }
+                        }
+                        if (!isset($title)) {
+                                $content = '';
+                                $tstamp = time() + 5;
+
+                                while ($chunk = fread($page, 64)) {
+                                        $data = stream_get_meta_data($page);
+                                        if ($data['timed_out']) {
+                                                $this->debug('Url Timed Out: ' . $url);
+                                                $this->errorStatus = true;
+                                                break;
+                                        }
+                                        $content .= $chunk;
+                                        // Check for timeout
+                                        if (time() > $tstamp) break;
+                                        // Try to read title
+                                        if (preg_match('#<title[^>]*>(.*)#is', $content, $m)) {
+                                                // Start another loop to grab some more data in order to be sure we have the complete title
+                                                $content = $m[1];
+                                                $loop = 2;
+                                                while (($chunk = fread($page, 64)) && $loop-- && !strstr($content, '<')) {
+                                                        $content .= $chunk;
+                                                        // Check for timeout
+                                                        if (time() > $tstamp) break;
+                                                }
+                                                preg_match('#^([^<]*)#is', $content, $m);
+                                                $title = preg_replace('#\s+#', ' ', $m[1]);
+                                                $title = trim($this->decode($title, $this->titleLength));
+                                                break;
+                                        }
+                                        // Title won't appear beyond that point so stop parsing
+                                        if (preg_match('#</head>|<body#i', $content)) {
+                                                break;
+                                        }
+                                }
+                        }
+                        fclose($page);
+                } else if (!$this->errorStatus) {
+                        $this->debug('Couldn\t Open Url: ' . $url);
+                }
+
+                if (empty($title)) {
+                        if ($this->errorStatus) {
+                                if (!$this->showErrors || empty($this->errorMessage)) {
+                                        continue;
+                                }
+                                $title = $this->errorMessage;
+                                $this->errorStatus = false;
+                                $this->errorMessage = null;
+                        } else {
+                                $title = 'No Title';
+                        }
+                }
+
+                return $title;
+    }
-}