sebsel
7 years ago
6 changed files with 234 additions and 39 deletions
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+2 -1composer.json
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+97 -38composer.lock
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+1 -0controllers/Parse.php
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+25 -0lib/XRay/Fetcher.php
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+105 -0lib/XRay/Formats/Facebook.php
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+4 -0lib/XRay/Parser.php
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- 1
composer.json
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+ 97
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composer.lock
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+ 1
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controllers/Parse.php
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+ 25
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lib/XRay/Fetcher.php
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+ 105
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lib/XRay/Formats/Facebook.php
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| @ -0,0 +1,105 @@ | |||
| <?php | |||
| namespace p3k\XRay\Formats; | |||
| use DOMDocument, DOMXPath; | |||
| use DateTime, DateTimeZone; | |||
| class Facebook extends Format { | |||
| public static function matches_host($url) { | |||
| $host = parse_url($url, PHP_URL_HOST); | |||
| // TODO: match hosts like 'm.facebook.com' and 'mbasic.facebook.com' | |||
| return in_array($host, ['www.facebook.com','facebook.com']); | |||
| } | |||
| public static function matches($url) { | |||
| return self::matches_host($url); | |||
| } | |||
| public static function parse($fbObject, $url) { | |||
| $parts = self::extract_url_parts($url); | |||
| if($parts['type'] == 'event') { | |||
| $event = array( | |||
| 'type' => 'event', | |||
| 'url' => $url, | |||
| 'name' => $fbObject['name'], | |||
| 'start' => $fbObject['start_time'], | |||
| 'end' => $fbObject['end_time'], | |||
| 'summary' => $fbObject['description'], | |||
| 'location' => [ | |||
| $fbObject['place']['name'] | |||
| ] | |||
| ); | |||
| return [ | |||
| 'data' => $event, | |||
| 'original' => $fbObject | |||
| ]; | |||
| } | |||
| } | |||
| public static function fetch($url, $creds) { | |||
| $parts = self::extract_url_parts($url); | |||
| if(!$parts or $parts['api_uri'] == false) { | |||
| return [ | |||
| 'error' => 'unsupported_url', | |||
| 'error_description' => 'This Facebook URL is not supported', | |||
| 'error_code' => 400, | |||
| ]; | |||
| } | |||
| $fb = new \Facebook\Facebook([ | |||
| 'app_id' => $creds['facebook_app_id'], | |||
| 'app_secret' => $creds['facebook_app_secret'], | |||
| 'default_graph_version' => 'v2.9', | |||
| ]); | |||
| $fbApp = new \Facebook\FacebookApp($creds['facebook_app_id'], $creds['facebook_app_secret']); | |||
| $token = $fbApp->getAccessToken(); | |||
| $request = new \Facebook\FacebookRequest($fbApp, $token, 'GET', $parts['api_uri']); | |||
| try { | |||
| $response = $fb->getClient()->sendRequest($request); | |||
| } catch(\Facebook\Exceptions\FacebookResponseException $e) { | |||
| return [ | |||
| 'error' => 'facebook_graph_error', | |||
| 'error_description' => 'Graph returned an error: ' . $e->getMessage(), | |||
| 'error_code' => 400, | |||
| ]; | |||
| } catch(\Facebook\Exceptions\FacebookSDKException $e) { | |||
| return [ | |||
| 'error' => 'facebook_sdk_error', | |||
| 'error_description' => 'Facebook SDK returned an error: ' . $e->getMessage(), | |||
| 'error_code' => 400, | |||
| ]; | |||
| } | |||
| return [ | |||
| 'code' => 200, | |||
| 'body' => $response->getDecodedBody(), | |||
| 'url' => $url | |||
| ]; | |||
| } | |||
| private static function extract_url_parts($url) { | |||
| $response = false; | |||
| if(preg_match('~https://(.*?).?facebook.com/([^/]+)/posts/(\d+)/?$~', $url, $match)) { | |||
| // TODO: how do we get these? | |||
| // $response['type'] = 'entry'; | |||
| // $response['api_uri'] = false; | |||
| } elseif(preg_match('~https://(.*?).?facebook.com/events/(\d+)/?$~', $url, $match)) { | |||
| $response['type'] = 'event'; | |||
| $response['api_uri'] = '/'.$match[2]; | |||
| } | |||
| return $response; | |||
| } | |||
| } | |||