add nonce generation

Author: jcheron

Ajax/JsUtils.php

@@ -14,7 +14,7 @@
  * JQuery PHP library
  *
  * @author jcheron
- * @version 1.004
+ * @version 1.0.5
  * @license Apache 2 http://www.apache.org/licenses/
  */
 /**
@@ -213,7 +213,8 @@ public function __construct($params = array(), $injected = NULL) {
 			'defer' => false,
 			'ajax' => $ajaxDefault,
 			'historize' => true,
-			'autoActiveLinks' => true
+			'autoActiveLinks' => true,
+			'nonce' => true
 		];
 		foreach ($defaults as $key => $val) {
 			if (isset($params[$key]) === false || $params[$key] === "") {

Ajax/common/traits/JsUtilsInternalTrait.php

@@ -8,6 +8,8 @@ trait JsUtilsInternalTrait {
 	protected $jquery_code_for_compile = array();
 
 	protected $jquery_code_for_compile_at_last = array();
+	
+	protected $nonce;
 
 	protected function _addToCompile($jsScript) {
 		$this->jquery_code_for_compile[] = $jsScript;
@@ -71,9 +73,26 @@ protected function minify($input) {
 	 */
 	protected function _open_script($src = '') {
 		$str = '<script ';
+		if(isset($this->params['nonce'])){
+			$str.=' nonce="'.$this->generateNonce($this->params['nonce']).'" ';
+			$this->onNonce();
+		}
 		$str .= ($src == '') ? '>' : ' src="' . $src . '">';
 		return $str;
 	}
+	
+	protected function onNonce(){
+		
+	}
+	
+	protected function generateNonce($value=null): string {
+		$bytes = \random_bytes((int) ($value ?? 32));
+		return $this->nonce=\base64_encode($bytes);
+	}
+	
+	public function getNonce(){
+		return $this->nonce;
+	}
 
 	/**
 	 * Outputs an closing </script>