PHP: Receiving Bearer Authorization token from header

PHOTO EMBED

Mon Aug 29 2022 19:55:54 GMT+0000 (UTC)

Saved by @marcopinero #php

<?php

function getAuthorizationHeader(){
    $headers = null;
    if (isset($_SERVER['Authorization'])) {
        $headers = trim($_SERVER["Authorization"]);
    }
    else if (isset($_SERVER['HTTP_AUTHORIZATION'])) { //Nginx or fast CGI
        $headers = trim($_SERVER["HTTP_AUTHORIZATION"]);
    } elseif (function_exists('apache_request_headers')) {
        $requestHeaders = apache_request_headers();
        // Server-side fix for bug in old Android versions (a nice side-effect of this fix means we don't care about capitalization for Authorization)
        $requestHeaders = array_combine(array_map('ucwords', array_keys($requestHeaders)), array_values($requestHeaders));
        //print_r($requestHeaders);
        if (isset($requestHeaders['Authorization'])) {
            $headers = trim($requestHeaders['Authorization']);
        }
    }
    return $headers;
}

/**
 * get access token from header
 * */
function getBearerToken() {
    $headers = getAuthorizationHeader();
    // HEADER: Get the access token from the header
    if (!empty($headers)) {
        if (preg_match('/Bearer\s(\S+)/', $headers, $matches)) {
            return $matches[1];
        }
    }
    return null;
}

?>
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