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<?php |
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/* |
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* This file is part of the overtrue/wechat. |
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* |
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* (c) overtrue <[email protected]> |
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* |
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* This source file is subject to the MIT license that is bundled |
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* with this source code in the file LICENSE. |
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*/ |
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namespace EasyWeChat\Kernel\Support; |
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/* |
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* helpers. |
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* |
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* @author overtrue <[email protected]> |
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*/ |
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/** |
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* Generate a signature. |
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* |
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* @param array $attributes |
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* @param string $key |
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* @param string $encryptMethod |
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* |
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* @return string |
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*/ |
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function generate_sign(array $attributes, $key, $encryptMethod = 'md5') |
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{ |
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ksort($attributes); |
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$attributes['key'] = $key; |
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return strtoupper(call_user_func_array($encryptMethod, [urldecode(http_build_query($attributes))])); |
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} |
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/** |
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* @param string $signType |
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* @param string $secretKey |
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* |
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* @return \Closure|string |
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*/ |
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function get_encrypt_method(string $signType, string $secretKey = '') { |
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if ('HMAC-SHA256' === $signType) { |
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return function ($str) use ($secretKey) { |
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return hash_hmac('sha256', $str, $secretKey); |
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}; |
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} |
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return 'md5'; |
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} |
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/** |
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* Get client ip. |
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* |
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* @return string |
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*/ |
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function get_client_ip() |
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{ |
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if (!empty($_SERVER['REMOTE_ADDR'])) { |
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$ip = $_SERVER['REMOTE_ADDR']; |
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} else { |
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// for php-cli(phpunit etc.) |
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$ip = defined('PHPUNIT_RUNNING') ? '127.0.0.1' : gethostbyname(gethostname()); |
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} |
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return filter_var($ip, FILTER_VALIDATE_IP) ?: '127.0.0.1'; |
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} |
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/** |
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* Get current server ip. |
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* |
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* @return string |
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*/ |
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function get_server_ip() |
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{ |
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if (!empty($_SERVER['SERVER_ADDR'])) { |
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$ip = $_SERVER['SERVER_ADDR']; |
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} elseif (!empty($_SERVER['SERVER_NAME'])) { |
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$ip = gethostbyname($_SERVER['SERVER_NAME']); |
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} else { |
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// for php-cli(phpunit etc.) |
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$ip = defined('PHPUNIT_RUNNING') ? '127.0.0.1' : gethostbyname(gethostname()); |
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} |
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return filter_var($ip, FILTER_VALIDATE_IP) ?: '127.0.0.1'; |
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} |
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/** |
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* Return current url. |
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* |
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* @return string |
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*/ |
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function current_url() |
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{ |
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$protocol = 'http://'; |
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if ((!empty($_SERVER['HTTPS']) && 'off' !== $_SERVER['HTTPS']) || ($_SERVER['HTTP_X_FORWARDED_PROTO'] ?? 'http') === 'https') { |
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$protocol = 'https://'; |
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} |
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return $protocol.$_SERVER['HTTP_HOST'].$_SERVER['REQUEST_URI']; |
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} |
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/** |
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* Return random string. |
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* |
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* @param string $length |
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* |
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* @return string |
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*/ |
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function str_random($length) |
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{ |
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return Str::random($length); |
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} |
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/** |
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* @param string $content |
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* @param string $publicKey |
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* |
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* @return string |
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*/ |
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function rsa_public_encrypt($content, $publicKey) |
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{ |
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$encrypted = ''; |
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openssl_public_encrypt($content, $encrypted, openssl_pkey_get_public($publicKey), OPENSSL_PKCS1_OAEP_PADDING); |
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return base64_encode($encrypted); |
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} |
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overtrue /
wechat
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