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Amazon S3 Direct uploading

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  • 10-06-2010 2:51am
    #1
    partyatmygaff
    Registered Users Posts: 10,992 ✭✭✭✭


    Trying to set up a simple direct uploading script to Amazon S3 from my site using a password_protect.php script to allow only autheniticated users access to the uploading service.

    http://developer.amazonwebservices.com/connect/entry.jspa?externalID=1434

    I've been following Amazon's documentation on how to use HTML POST and i've got that all set up barr the policy and signature.

    What needs to be done (As I understand) is to encode the policy in BASE64 and I believe I have that down fairly well.

    The problem I am having is getting the signature key. To do that I need to take the encoded policy and then get a HMAC SHA-1 hash out of that to use in the script. This, however is not working. When I try and upload all I get is an error telling me that the signature received is incorrect.

    Anyone have any experience with this? Anyone know a reliable BASE64 encoder and SHA-1 calculator?


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