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rs_validate_token()

Description

Used to compare the user's provided token with the expected value derived from the given identifier

Used by isValidCSRFToken()
Also used on upload_batch to validate an upload session when user cookie not available (i.e. companion uploads)

Parameters

ColumnTypeDefaultDescription
$token_data string Encrypted token data
$id string Identifier

Return

bool *

Location

include/encryption_functions.php lines 216 to 244

Definition

 
function rs_validate_token($token_data, $id)
    {
    if(trim($token_data) === "")
        {
        debug("rs_validate_token(): INVALID - no token data");
        return false;
        }

    $plaintext = rsDecrypt($token_data, $id);
    if($plaintext === false)
        {
        debug("rs_validate_token(): INVALID - unable to decrypt token data");
        return false;
        }
    $csrf_data = json_decode($plaintext, true);
    if(is_null($csrf_data))
        {
        debug("rs_validate_token(): INVALID - unable to decode token data");
        return false;
        }

    if($csrf_data["session"] === $id)
        {
        return true;
        }

    debug("rs_validate_token(): INVALID - decoded value does not match");
    return false;
    }

This article was last updated 17th November 2024 15:35 Europe/London time based on the source file dated 1st October 2024 08:15 Europe/London time.