可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试):
问题:
I'm getting started with the facebook API. I downloaded the example code from facebook, configured with my appID and secret keys.
<?php require '../src/facebook.php'; // Create our Application instance (replace this with your appId and secret). $facebook = new Facebook(array( 'appId' => '...', 'secret' => '....', )); // Get User ID $user = $facebook->getUser(); if ($user) { try { // Proceed knowing you have a logged in user who's authenticated. $user_profile = $facebook->api('/me'); } catch (FacebookApiException $e) { error_log($e); $user = null; } } // Login or logout url will be needed depending on current user state. if ($user) { $logoutUrl = $facebook->getLogoutUrl(); } else { $loginUrl = $facebook->getLoginUrl(); } // This call will always work since we are fetching public data. $naitik = $facebook->api('/naitik'); ?>
on localhost,the script work with no errors. But on host I getting the following error:
Invalid or no certificate authority found, using bundled information
the .crt file was uploaded with success
one may point out my error? thanks in advance.
回答1:
Set the option in CURL to point to your certificate file
This option will tell CURL that your fb_ca_chain_bundle.crt file is in the same folder as your script.
Facebook::$CURL_OPTS[CURLOPT_CAINFO] = getcwd().'/fb_ca_chain_bundle.crt';
In base_facebook.php line 844 curl_exec fails and the error is generated. Then the script sets:
curl_setopt($ch, CURLOPT_CAINFO, dirname(__FILE__) . '/fb_ca_chain_bundle.crt');
and tries again.
The Second time all is well, there is no problem it just makes a mess of your log
DO NOT use
Facebook::$CURL_OPTS[CURLOPT_SSL_VERIFYPEER] = false;
Or a man-in-middle will be able to intercept your call!
回答2:
Disable the SSL security feature
Though I don't recognize that exact error message, SSL problems when communicating with Facebook via the PHP SDK (and thus Curl) are common. Have you tried doing something like this?
Facebook::$CURL_OPTS[CURLOPT_SSL_VERIFYPEER] = false;
This will disable the SSL "Verify Peer" security feature so that it stops generating the error message.
回答3:
get the latest plugin from http://wordpress.org/extend/plugins/facebook-feed-grabber/ and replace the old chain certificate with new one
回答4:
I've checked the server config and everything seems fine. However I've seen a few other posts on the internet where users have fixed the issue by editing the following lines in
"base_facebook.php"
/** * Default options for curl. */
public static $CURL_OPTS = array( CURLOPT_CONNECTTIMEOUT => 10, CURLOPT_RETURNTRANSFER => true, CURLOPT_TIMEOUT => 60, CURLOPT_USERAGENT => 'facebook-php-3.2', CURLOPT_SSL_VERIFYPEER => false, (ADDED THIS LINE) );
I've tested it and this now works, and it successfully posts to the Facebook page.
Cheers!
Mudassar Ali
翻译