php - Facebook publish_stream code ends up in a loop -



php - Facebook publish_stream code ends up in a loop -

i have next code works fine long in previous part of application, user accepts applications request publish_stream.

# facebook library require_once("/var/www/facebook-php-sdk-master/src/facebook.php"); # create facebook object $config = array(); $config['appid'] = 'appid_here'; $config['secret'] = 'secret_here'; $config['fileupload'] = false; // optional $facebook = new facebook($config); $user_id = $facebook->getuser(); if ($user_id) { seek { $user_profile = $facebook->api('/me','get'); #check permissions $api_call = array( 'method' => 'users.hasapppermission', 'uid' => $user_id, 'ext_perm' => 'publish_stream' ); #set true if true... $can_offline = $facebook -> api( $api_call ); #is true? if( $can_offline ) { $post = array( 'message' => 'post_a_message' ); $facebook->api('/' . $_get["id"] . '/feed', 'post', $post); } else { // can't post message - don't have permission } } grab (facebookapiexception $e) { error_log($e); exit; } } else { error_log("user not logged in"); exit; }

to seek resolve this, attempted insert next code else statement in code above contains comment // can't post message - don't have permission

the code tried insert else this:

$loginurl = $facebook->getloginurl( array( 'scope' => 'publish_stream' ) ); header("location: ".$loginurl);

that works long user accepts allow app publish_stream. however, if user not accept, app maintain asking user take publish_stream. how stop loop happening if user decides not accept?

here working code : please check :

page name : events.php

you can see $redirect_uri = https://localhost/facebook_page/events.php returning same page.

<?php $facebook_appid = "your appid"; // facebook appplication id $facebook_secret = "your app secret"; // facebook secret id $redirect_uri = "https://localhost/facebook_page/events.php"; // homecoming url our application after facebook login ## should same in facebook application $scope = "publish_stream"; // user permission facebook $profile_id = "profile_id";// want post it(profile id - number) $code = $_request["code"]?$_request["code"]:""; if(empty($code)) { $_session['state'] = rand(); // csrf protection $dialog_url = "https://www.facebook.com/dialog/oauth?client_id=". $facebook_appid . "&redirect_uri=" . urlencode($redirect_uri) . "&state=". $_session['state'] . "&scope=".$scope; header("location:".$dialog_url); } if($_session['state'] && ($_session['state'] == $_request['state'])) { $token_url = "https://graph.facebook.com/oauth/access_token?". "client_id=" . $facebook_appid . "&redirect_uri=" . urlencode($redirect_uri). "&client_secret=" . $facebook_secret . "&code=" . $code; $response = @file_get_contents($token_url); $params = null; parse_str($response, $params); $access_token = $params['access_token']; } ?> <!-- here can utilize message, picture, link, name, caption, description, source, place, tags input fields--> <form enctype="multipart/form-data" method="post" action="https://graph.facebook.com/<?php echo $profile_id;?>/feed?access_token=<?php echo $access_token; ?>"> <input type="text" name="message" value="test" /> <input type="submit" name="submit" value="submit" /> </form>

you can post using jquery also.

php facebook facebook-graph-api facebook-php-sdk

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