Initial commit

2026-03-13 21:56:10 +00:00 · 2020-02-13 08:55:12 +01:00
commit 5a35b6af35
13 changed files with 1817 additions and 0 deletions
--- a/src/Helper.php
+++ b/src/Helper.php
@@ -0,0 +1,138 @@
+<?php
+
+namespace Afosto\LetsEncrypt;
+
+use Afosto\LetsEncrypt\Data\Authorization;
+use GuzzleHttp\Client as HttpClient;
+use GuzzleHttp\Exception\ClientException;
+
+class Helper
+{
+
+    /**
+     * Formatter
+     * @param $pem
+     * @return false|string
+     */
+    public static function toDer($pem)
+    {
+        $lines = explode(PHP_EOL, $pem);
+        $lines = array_slice($lines, 1, -1);
+
+        return base64_decode(implode('', $lines));
+    }
+
+    /**
+     * Return certificate expiry date
+     *
+     * @param $certificate
+     *
+     * @return \DateTime
+     * @throws \Exception
+     */
+    public static function getCertExpiryDate($certificate): \DateTime
+    {
+        $info = openssl_x509_parse($certificate);
+        if ($info === false) {
+            throw new \Exception('Could not parse certificate');
+        }
+        $dateTime = new \DateTime();
+        $dateTime->setTimestamp($info['validTo_time_t']);
+
+        return $dateTime;
+    }
+
+    /**
+     * Get a new key
+     *
+     * @return string
+     */
+    public static function getNewKey(): string
+    {
+
+        $key = openssl_pkey_new([
+            'private_key_bits' => 4096,
+            'private_key_type' => OPENSSL_KEYTYPE_RSA,
+        ]);
+        openssl_pkey_export($key, $pem);
+
+        return $pem;
+    }
+
+    /**
+     * Get a new CSR
+     *
+     * @param array $domains
+     * @param       $key
+     *
+     * @return string
+     * @throws \Exception
+     */
+    public static function getCsr(array $domains, $key): string
+    {
+        $primaryDomain = current(($domains));
+        $config = [
+            '[req]',
+            'distinguished_name=req_distinguished_name',
+            '[req_distinguished_name]',
+            '[v3_req]',
+            '[v3_ca]',
+            '[SAN]',
+            'subjectAltName=' . implode(',', array_map(function ($domain) {
+                return 'DNS:' . $domain;
+            }, $domains)),
+        ];
+
+        $fn = tempnam(sys_get_temp_dir(), md5(microtime(true)));
+        file_put_contents($fn, implode("\n", $config));
+        $csr = openssl_csr_new([
+            'countryName' => 'NL',
+            'commonName'  => $primaryDomain,
+        ], $key, [
+            'config'         => $fn,
+            'req_extensions' => 'SAN',
+            'digest_alg'     => 'sha512',
+        ]);
+        unlink($fn);
+
+        if ($csr === false) {
+            throw new \Exception('Could not create a CSR');
+        }
+
+        if (openssl_csr_export($csr, $result) == false) {
+            throw new \Exception('CRS export failed');
+        }
+
+        $result = trim($result);
+
+        return $result;
+    }
+
+    /**
+     * Make a safe base64 string
+     *
+     * @param $data
+     *
+     * @return string
+     */
+    public static function toSafeString($data): string
+    {
+        return rtrim(strtr(base64_encode($data), '+/', '-_'), '=');
+    }
+
+    /**
+     * Get the key information
+     *
+     * @return array
+     * @throws \Exception
+     */
+    public static function getKeyDetails($key): array
+    {
+        $accountDetails = openssl_pkey_get_details($key);
+        if ($accountDetails === false) {
+            throw new \Exception('Could not load account details');
+        }
+
+        return $accountDetails;
+    }
+}