whm\Smoke\Rules\Http\Header\GZipRule

Complexity

Total Complexity

10

Size/Duplication

Total Lines	25
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	3

Importance

Changes

0

2 Methods

Rating	Name	Duplication	Size	Complexity
A	init()	0	4	1
B	doValidation()	0	15	9

<?php

namespace whm\Smoke\Rules\Http\Header;

use phm\HttpWebdriverClient\Http\Response\ContentTypeAwareResponse;
use Psr\Http\Message\ResponseInterface;
use whm\Smoke\Rules\StandardRule;
use whm\Smoke\Rules\ValidationFailedException;

/**
 * This rule checks if gzip compressions is activated.
 */
class GZipRule extends StandardRule
{
    private $minFileSize;

    public function init($minFileSize = 200)
    {
        $this->minFileSize = $minFileSize;
    }

    public function doValidation(ResponseInterface $response)
    {
        if ($response instanceof ContentTypeAwareResponse) {
            if (strpos($response->getContentType(), 'image') === false
                && strpos($response->getContentType(), 'pdf') === false
                && strpos($response->getContentType(), 'postscript') === false
                && strpos($response->getContentType(), 'zip') === false
                && strlen((string)$response->getBody()) >= $this->minFileSize
            ) {
                if (!$response->hasHeader('Content-Encoding') || $response->getHeader('Content-Encoding')[0] !== 'gzip') {
                    throw new ValidationFailedException('gzip compression not active');
                }
            }
        }
    }
}