Pull request #8: TSMD-23137 fixed deprecated function utf8_encode

Merge in SDK/php_telesign from feature/TSMD-23137_fix_deprecation_warning to master

* commit 'cadd977de06f71f1e26f156f99226b18a1af0d8a':
  TSMD-23137 added dependency for mbstring
  TSMD-23137 changed utf8_encode function
  TSMD-23137 fixed deprecated function utf8_encode

Author: Igor Kuburovic

RELEASE

@@ -1,3 +1,7 @@
+3.0.2
+- Added dependency for extension mbstring
+- Fixed deprecated function utf8_encode() in RestClient.php, changed it with mb_convert_encoding()
+
 3.0.1
 - Updated to fix support for PHP 8+
 

composer.json

@@ -16,6 +16,7 @@
   ],
   "require": {
     "php": "^7.2.5 || ^8.0",
+    "ext-mbstring": "*",
     "ext-xml": "*",
     "guzzlehttp/guzzle": "^7.0",
     "ramsey/uuid": "^4",

examples/callback_example/telesign_callback.php

@@ -26,7 +26,7 @@ function _log($log_level, $log_message) {
   // Generate a signature based on the contents of the callback request body signing with your API Secret Key.
   $postBody = file_get_contents('php://input');
   $signature = base64_encode(
-    hash_hmac("sha256", utf8_encode($postBody), base64_decode(API_KEY), true)
+    hash_hmac("sha256", mb_convert_encoding($postBody, "UTF-8", mb_detect_encoding($postBody)), base64_decode(API_KEY), true)
   );
   list($authType, $authToken) = explode(' ', getallheaders()['Authorization'], 2);
   list($requestCustomerID, $requestSignature) = explode(':', $authToken, 2);

src/rest/RestClient.php

@@ -121,7 +121,7 @@ static function generateTelesignHeaders (
     $string_to_sign = join("", $string_to_sign_builder);
 
     $signature = base64_encode(
-      hash_hmac("sha256", utf8_encode($string_to_sign), base64_decode($api_key), true)
+      hash_hmac("sha256", mb_convert_encoding($string_to_sign, "UTF-8", mb_detect_encoding($string_to_sign)), base64_decode($api_key), true)
     );
     $authorization = "TSA $customer_id:$signature";
 
@@ -208,7 +208,6 @@ function delete (...$args) {
    */
   protected function execute ($method_name, $resource, $fields = [], $date = null, $nonce = null) {
     $url_encoded_fields = http_build_query($fields, "", "&");
-
     $headers = $this->generateTelesignHeaders(
       $this->customer_id,
       $this->api_key,

src/version/version.php

@@ -2,4 +2,4 @@
 
 namespace telesign\sdk\version;
 
-const VERSION = "v3.0.1";
+const VERSION = "v3.0.2";