Php-graph-sdk: Upload Photo - Facebook (post) request error: (#324) Requires upload file

Created on 7 Jul 2015 · 4Comments · Source: facebookarchive/php-graph-sdk

Hi, I've just started to use the Facebook SDK php and login, retrieving a user's profile and posting links is working fine, however posting photos is not working no matter what I try.

Facebook (post) request error: (#324) Requires upload file is the error I get.

I've tried 'source' => new CURLFile('path/to/file.name', 'image/png') with various different locations for the image (even in the root), 'source' => '@/path/to/file.name' even though I'm using the correct php library, and even from a site link but still no luck?

I'd like user to be able to use $_FILES['img']['tmp_name'] so users can upload multiple images/photos themselves from a form but I can't seem to get a fixed image/photo to work?

Any help/guidance would be great.

<?php
session_start();

require_once 'facebook/autoload.php';
use Facebook\FacebookRequest;
use Facebook\GraphObject;
use Facebook\FacebookRequestException;
use Facebook\FacebookSession;
use Facebook\GraphUser;
use Facebook\FacebookRedirectLoginHelper;

$api_key = 'XXXXXXXXXXX';
$api_secret = 'XXXXXXXXXXX';
$redirect_login_url = 'XXXXXXXXXXXX';

$message = $_POST['mess'];

FacebookSession::setDefaultApplication($api_key, $api_secret);

$helper = new FacebookRedirectLoginHelper( $redirect_login_url);

// First check if this is an existing PHP session
if ( isset( $_SESSION ) && isset( $_SESSION['fb_token'] ) ) {
// create new session from the existing PHP sesson
$session = new FacebookSession( $_SESSION['fb_token'] );
try {
    // validate the access_token to make sure it's still valid
    if ( !$session->validate() ) $session = null;
} catch ( Exception $e ) {
    // catch any exceptions and set the sesson null
    $session = null;
    echo 'No session: '.$e->getMessage();
}
}  elseif ( empty( $session ) ) {
// the session is empty, we create a new one
try {
    // the visitor is redirected from the login, let's pickup the session
    $session = $helper->getSessionFromRedirect();
} catch( FacebookRequestException $e ) {
    // Facebook has returned an error
    echo 'Facebook (session) request error: '.$e->getMessage();
} catch( Exception $e ) {
    // Any other error
    echo 'Other (session) request error: '.$e->getMessage();
}
}
if ( isset( $session ) ) {
// store the session token into a PHP session
$_SESSION['fb_token'] = $session->getToken();
// and create a new Facebook session using the cururent token
// or from the new token we got after login
$session = new FacebookSession( $session->getToken() );

    try {
    // with this session I will post a message to my own timeline
    $request = new FacebookRequest(
        $session, 
        'POST', 
        '/me/photos', 
        array(
            'source' => '?????',
            'message' => $message
        )
    );
    $response = $request->execute();
    $graphObject = $response->getGraphObject();
    // the POST response object
    echo '<pre>' . print_r( $graphObject, 1 ) . '</pre>';
    $msgid = $graphObject->getProperty('id');
} catch ( FacebookRequestException $e ) {
    // show any error for this facebook request
    echo 'Facebook (post) request error: '.$e->getMessage();
}

} else {
// we need to create a new session, provide a login link
echo 'No session, please <a href="'. $helper->getLoginUrl( array( 'publish_actions' )
).'">login</a>.';
}

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