Uploading to S3 using Curl

Hi All,

I'm currently using cURL to upload a file from my server to S3 using AJAX to call the script.

So I have the following:

$fullfilepath = '/server/sitepath/files/' . $_POST['file']; 
    $upload_url = 'https://'.$_POST['buckets'].'.s3.amazonaws.com/'; 

    $params = array( 
        'key'=>$_POST['key'],
        'AWSAccessKeyId'=>$_POST['AWSAccessKeyId'],
        'acl'=>$_POST['acl'],
        'success_action_status'=>$_POST['success_action_status'],
        'policy'=>$_POST['policy'],
        'signature'=>$_POST['signature'],
        'Content-Type'=>$_POST['Content-Type'],
        'file'=>"@$fullfilepath"      
    );         

    $ch = curl_init(); 
    curl_setopt($ch, CURLOPT_VERBOSE, 1); 
    curl_setopt($ch, CURLOPT_URL, $upload_url); 
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); 
    curl_setopt($ch, CURLOPT_POSTFIELDS, $params); 
    $response = curl_exec($ch); 
    curl_close($ch); 

    echo $response;

However, I'm getting an S3 error as follows when it posts and I'm unsure why because I'm not passing JSON to it.

<?xml version="1.0" encoding="UTF-8"?>
<Error><Code>InvalidPolicyDocument</Code><Message>Invalid Policy: Invalid JSON.</Message><RequestId>B29469C6151BE0E8</RequestId><HostId>BFPk6W2kt1b6hTtx0mEq6dWdN/IhO0gNR5bct//7LAOwJxm1C3PrxS4RPv1blzJ8</HostId></Error>

I've googled it for the last hour or so and can't seem to figure it out. If I change the order of the Array fields, it gives me a different error - I believe the order of the posted fields is important somehow.

any help would be much appreciated!

ansaurus

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Uploading to S3 using Curl

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