36 lines
830 B
PHP
36 lines
830 B
PHP
<?php
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namespace App\Utils;
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class Hmac {
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private $key;
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private $basePath = __DIR__ . '/../../cache/img/';
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private $filePath;
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private $hashPath;
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public function __construct($key) {
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$this->key = $key;
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}
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public function makeHmac($url) {
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return hash_hmac('sha1', $url, $this->key);
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}
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private function makeHashPath($hashUrl) {
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$this->hashPath = substr($hashUrl, 0, 4) . '/';
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return $this->hashPath;
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}
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public function makeFilePath($hmac) {
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$this->filePath = $this->basePath . $this->makeHashPath($hmac);
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return $this->filePath;
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}
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public function checkHmac($receiveHmac, $url) {
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if ($receiveHmac === $this->makeHmac($url, $this->key)) {
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return true;
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} else {
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return false;
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}
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}
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}
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