SilverStripe\Control\SimpleResourceURLGenerator

Complexity

Total Complexity

9

Size/Duplication

Total Lines	58
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	1

Importance

Changes

0

3 Methods

Rating	Name	Duplication	Size	Complexity
A	getNonceStyle()	0	4	1
A	setNonceStyle()	0	7	3
B	urlForResource()	0	21	5

<?php

namespace SilverStripe\Control;

use SilverStripe\Core\Manifest\ResourceURLGenerator;

/**
 * Generate URLs assuming that BASE_PATH is also the webroot
 * Standard SilverStripe 3 operation
 */
class SimpleResourceURLGenerator implements ResourceURLGenerator
{
    /*
     * @var string
     */
    private $nonceStyle;

    /*
     * Get the style of nonce-suffixes to use, or null if disabled
     *
     * @return string|null
     */
    public function getNonceStyle()
    {
        return $this->nonceStyle;
    }

    /*
     * Set the style of nonce-suffixes to use, or null to disable
     * Currently only "mtime" is allowed
     *
     * @param string|null $nonceStyle The style of nonces to apply, or null to disable
     */
    public function setNonceStyle($nonceStyle)
    {
        if ($nonceStyle && $nonceStyle !== 'mtime') {

The expression $nonceStyle of type string|null is loosely compared to true; this is ambiguous if the string can be empty. You might want to explicitly use !== null instead.

            throw new InvalidArgumentException('The only allowed NonceStyle is mtime');
        }
        $this->nonceStyle = $nonceStyle;
    }

    /**
     * Return the URL for a resource, prefixing with Director::baseURL() and suffixing with a nonce
     *
     * @inherit
     */
    public function urlForResource($relativePath)
    {
        $absolutePath = preg_replace('/\?.*/', '', Director::baseFolder() . '/' . $relativePath);

        if (!file_exists($absolutePath)) {
            throw new InvalidArgumentException("File {$relativePath} does not exist");
        }

        $nonce = '';
        if ($this->nonceStyle) {
            $nonce = (strpos($relativePath, '?') === false) ? '?' : '&';

            switch ($this->nonceStyle) {
                case 'mtime':
                    $nonce .= "m=" . filemtime($absolutePath);
                    break;
            }
        }

        return Director::baseURL() . $relativePath . $nonce;
    }
}