驗證Facebook頁面的URL

Question

對於我正在開發的應用程序，我們允許用戶添加一個鏈接到他們的Facebook頁面（嚴格來說，不是簡介，而不是組，只有一頁）。

我找不到任何關於驗證我收到的URL（服務器端，PHP）是否實際上是一個有效的頁面URL。

更好的是，如果我能得到「真實」的URL信息，即減去＃！如果有的話。我可以用一些解析來解決這個問題，但我寧願Facebook告訴我。

Answer 1

我也有類似的任務，首先我想問的Facebook的規範化URL（不含＃，等等！）：

require_once('facebook.php'); 
function getNormalized($anylink){ 
$facebook = new Facebook(array(
    'appId' => 'yourapplicationID', 
    'secret' => 'yoursecretcode', 
    'cookie' => true, 
)); 
$res = $facebook->api(array(
    'method' => 'fql.query', 
    'query' => 'select url, normalized_url from link_stat where url = "'.$anylink.'" ;' 
)); 
     if (!isset($res[0]['normalized_url'])) 
     { 
     //If not isset -> set with dumy value, example 
     echo '<br>You have not entered Facebook Page URL or its not accessible. Please go back and try again.'; 
     exit; 
     } 

return $res;  
} 

Answer 2

可以使用圖形API通過ID其中要麼是THA頁面ID頁面名稱來訪問對象，那麼你得到一個JSON對象或錯誤代碼......恩https://graph.facebook.com/cocacola

Answer 3

不幸的是，沒有辦法解析url，除非你可以問他們只是爲了id或用戶名。如果你不能這樣做，他們要求的網址，解析出用戶名或頁面ID。這要麼是可口可樂或122456743. 從那裏使用圖形API：在任何情況下，你會得到下面的JSON回來

http://graph.facebook.com/cocacola或http://graph.facebook.com/122456743：

{ 
    "id": "40796308305", 
    "name": "Coca-Cola", 
    "picture": "http://profile.ak.fbcdn.net/hprofile-ak-snc4/hs236.ash2/50516_40796308305_7651_s.jpg", 
    "link": "http://www.facebook.com/coca-cola", 
    "category": "Consumer_products", 
    "website": "http://www.coca-cola.com", 
    "username": "coca-cola", 
    "products": "Coca-Cola is the most popular and biggest-selling soft drink in history, as well as the best-known product in the world.\n\nCreated in Atlanta, Georgia, by Dr. John S. Pemberton, Coca-Cola was first offered as a fountain beverage by mixing Coca-Cola syrup with carbonated water. Coca-Cola was introduced in 1886, patented in 1887, registered as a trademark in 1893 and by 1895 it was being sold in every state and territory in the United States. In 1899, The Coca-Cola Company began franchised bottling operations in the United States.\n\nCoca-Cola might owe its origins to the United States, but its popularity has made it truly universal. Today, you can find Coca-Cola in virtually every part of the world.", 
    "fan_count": 17367199 
} 

接下來，以確定它是否是一個頁面或者用戶只是檢查「類別」屬性的存在。每一頁都會有一個類別。用戶配置文件永遠不會擁有類別屬性。

你也可以使用FQL，但這有點複雜，並不是真的需要。 http://developers.facebook.com/docs/reference/fql/page

Answer 4

我需要的東西，檢查，看看它是否是一個有效的頁面或組。我的用戶提交其通過$_POST爲$_POST['mu_facebook']

if(class_exists('Facebook')){ 
     $facebook = new Facebook(array(
     'appId' => 'yourapplicationID', 
     'secret' => 'yoursecretcode', 
     'cookie' => true, 
     )); 

     //break up the saved URL to see what we're dealing with 
    $parts = explode('/', $_POST['mu_facebook']); 
    if($key = array_search('groups', $parts)) 
     $query = $parts[$key+1]; //if this is a group URL, the ID will be in the next key after /group/ 
    else 
     $query = $_POST['mu_facebook']; 

    try { 
     $fb_data = $facebook->api($query); 
    } catch (FacebookApiException $e){ 
     //insert your own error here - Facebook did not recognize this object (group id failures will happen here) 
    } 
    //If FB doesn't recognize the URL, the API simply shows the requested URL as the id or returns an object wth type = 'website' (Page URL failures will happen here) 
    if($fb_data["id"] && $fb_data["id"] !== $_POST['mu_facebook'] && $fb_data["type"] !== "website"){ 
     //We have a valid URL 
     update_as_site_option('mu_facebook'); 
    } else { 
     //insert your own error here - Facebook did not recognize this object 
    } 
}