Sausin\Signere\Headers

Complexity

Total Complexity

7

Size/Duplication

Total Lines	67
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	1

Test Coverage

Coverage

95.65%

Importance

Changes

0

2 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	4	1
B	make()	0	41	6

<?php

namespace Sausin\Signere;

use UnexpectedValueException;
use Illuminate\Contracts\Config\Repository as Config;

class Headers
{
    /** @var \Illuminate\Contracts\Config\Repository */
    protected $config;

    /** valid request types */
    const VALID_REQUESTS = ['GET', 'POST', 'PUT', 'DELETE'];

    /**
     * Instantiate the class.
     *
     * @param \Illuminate\Contracts\Config\Repository
     */
    public function __construct(Config $config)
    {
        $this->config = $config;
    }

    /**
     * Make headers for a request.
     *
     * @param  string    $reqType
     * @param  bool|null $needPrimary
     * @return array
     */
    public function make(string $reqType, string $url, array $body = [], bool $needPrimary = null)
    {
        // check if the request type is valid
        if (! in_array($reqType, self::VALID_REQUESTS)) {
            throw new UnexpectedValueException('Incorrect request type '.$reqType);
        }

        // generate timestamp in the correct format
        $timestamp = explode('+', gmdate('c'))[0];
        // get the algorithm
        $algorithm = $this->config->get('signere.hash_algorithm');

        // get the primary / secondary key
        $key = $needPrimary ?
            $this->config->get('signere.primary_key') :
            $this->config->get('signere.secondary_key');

        // set the basic headers
        $headers = [
            'API-ID' => $this->config->get('signere.id'),
            'API-TIMESTAMP' => $timestamp,
            'API-USINGSECONDARYTOKEN' => is_null($needPrimary) ? 'TRUE' : ! $needPrimary,
            'API-ALGORITHM' => strtoupper($algorithm),
            'API-RETURNERRORHEADER' => 'TRUE',
        ];

        // make request type specific headers
        if ($reqType === 'GET' || $reqType === 'DELETE') {
            $toEncode = sprintf('%s&Timestamp=%s&Httpverb=%s', $url, $timestamp, $reqType);

            $headers['API-TOKEN'] = strtoupper(hash_hmac($algorithm, $toEncode, $key));

            return $headers;
        }

        $toEncode = sprintf('%s{Timestamp:"%s",Httpverb:"%s"}', json_encode($body), $timestamp, $reqType);

        $headers['API-TOKEN'] = strtoupper(hash_hmac($algorithm, $toEncode, $key));

        return $headers;
    }
}