[英]Facebook PHP SDK - how to get a long lived page access token
擁有此代碼,可以正常工作:
$appsecretProof = hash_hmac('sha256', $shortLivedToken, $secret);
//init curl
$ch = curl_init();
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 10);
curl_setopt($ch, CURLOPT_TIMEOUT, 60);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
curl_setopt($ch, CURLOPT_USERAGENT, 'facebook-php-3.2');
//get extended user access token
$url = 'https://graph.facebook.com/oauth/access_token?grant_type=fb_exchange_token' .
'&client_id=' . $appId .
'&client_secret=' . $secret .
'&fb_exchange_token=' . $shortLivedToken .
'&appsecret_proof=' . $appsecretProof;
curl_setopt($ch, CURLOPT_URL, $url);
$curlResult = curl_exec($ch);
$response_params = [];
parse_str($curlResult, $response_params);
$extendedUserToken = $response_params['access_token'];
$appsecretProof = hash_hmac('sha256', $extendedUserToken, $secret);
//get extended page access token
$url = 'https://graph.facebook.com/' . $pageId .
'?fields=access_token' .
'&access_token=' . $extendedUserToken .
'&appsecret_proof=' . $appsecretProof;
curl_setopt($ch, CURLOPT_URL, $url);
$curlResult = curl_exec($ch);
curl_close($ch);
$pageToken = json_decode($curlResult)->access_token;
如何使用常規的Facebook SDK實現相同的目標? 谷歌搜索並沒有真正的幫助。 我找不到任何可用的解決方案或解決方案不起作用,拋出諸如“需要訪問令牌才能請求此資源”之類的錯誤。 我已經嘗試了很多,但沒有任何效果。
我的最后一種方法是:
FacebookSession::setDefaultApplication($appId, $secret);
$shortLivedSession = new FacebookSession($shortLivedToken);
$shortLivedSession->getLongLivedSession();
$request = new FacebookRequest($shortLivedSession, 'GET', '/' . $pageId . '?fields=access_token');
$response = $request->execute();
$result = $response->getGraphObject()->asArray();
$pageToken = $result['access_token'];
$facebookSession = new FacebookSession($pageToken);
此代碼始終返回短暫的令牌。
弄清楚了,然后@luschn,您博客上的代碼似乎存在相同的錯誤。
幫助替換了這兩行:
$shortLivedSession->getLongLivedSession();
$request = new FacebookRequest($shortLivedSession, 'GET', '/' . $pageId . '?fields=access_token');
用這些:
$longLivedSession = $shortLivedSession->getLongLivedSession();
$request = new FacebookRequest($longLivedSession, 'GET', '/' . $pageId . '?fields=access_token');
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