Chadicus\Hmac\AuthorizationHeaderExtractor::extract()

Complexity

Conditions	2
Paths	2

Size

Total Lines	16
Code Lines	9

Duplication

Lines	0
Ratio	0 %

Importance

Changes

0

<?php
    public function extract(ServerRequestInterface $request) : Token
    {
        $authorizationHeader = $request->getHeaderLine('Authorization');

        //Authorization: schema PublicKey:Signature:Nonce:Timestamp

        $pattern = "^{$this->scheme}\s(?P<publicKey>[a-zA-z0-9]*):(?P<signature>[a-zA-Z0-9]*):"
                 . '(?P<nonce>[a-zA-Z0-9]*):(?P<timestamp>[0-9]*)$';
        $matches = [];
        $matched = preg_match("/{$pattern}/", $authorizationHeader, $matches);
        if (!$matched) {
            throw new AuthenticationException(400, 'Bad Request');
        }

        return new Token($matches['publicKey'], $matches['signature'], $matches['nonce'], $matches['timestamp']);
    }
}