많은 유틸리티 함수를 Util, FileUtil, WebUtil로 이동

2018-03-24 22:03:54 +09:00
parent b5cba27df9
commit 157ecdbf2a
36 changed files with 364 additions and 517 deletions
@@ -0,0 +1,71 @@
+<?php
+namespace sammo;
+
+class WebUtil{
+    public static function setHeaderNoCache(){
+        if(!headers_sent()) {
+            header('Expires: Wed, 01 Jan 2014 00:00:00 GMT');
+            header('Cache-Control: no-store, no-cache, must-revalidate');
+            header('Cache-Control: post-check=0, pre-check=0', FALSE);
+            header('Pragma: no-cache');
+        }
+    }
+
+    public static function parseJsonPost(){
+        // http://thisinterestsme.com/receiving-json-post-data-via-php/
+        // http://thisinterestsme.com/php-json-error-handling/
+        if(strcasecmp($_SERVER['REQUEST_METHOD'], 'POST') != 0){
+            throw new Exception('Request method must be POST!');
+        }
+        
+        //Make sure that the content type of the POST request has been set to application/json
+        $contentType = isset($_SERVER["CONTENT_TYPE"]) ? trim($_SERVER["CONTENT_TYPE"]) : '';
+        if(strcasecmp($contentType, 'application/json') != 0){
+            throw new Exception('Content type must be: application/json');
+        }
+        
+        //Receive the RAW post data.
+        $content = trim(file_get_contents("php://input"));
+        
+        //Attempt to decode the incoming RAW post data from JSON.
+        $decoded = json_decode($content, true);
+        
+        
+        $jsonError = json_last_error();
+        
+        //In some cases, this will happen.
+        if(is_null($decoded) && $jsonError == JSON_ERROR_NONE){
+            throw new Exception('Could not decode JSON!');
+        }
+        
+        //If an error exists.
+        if($jsonError != JSON_ERROR_NONE){
+            $error = 'Could not decode JSON! ';
+            
+            //Use a switch statement to figure out the exact error.
+            switch($jsonError){
+                case JSON_ERROR_DEPTH:
+                    $error .= 'Maximum depth exceeded!';
+                break;
+                case JSON_ERROR_STATE_MISMATCH:
+                    $error .= 'Underflow or the modes mismatch!';
+                break;
+                case JSON_ERROR_CTRL_CHAR:
+                    $error .= 'Unexpected control character found';
+                break;
+                case JSON_ERROR_SYNTAX:
+                    $error .= 'Malformed JSON';
+                break;
+                case JSON_ERROR_UTF8:
+                     $error .= 'Malformed UTF-8 characters found!';
+                break;
+                default:
+                    $error .= 'Unknown error!';
+                break;
+            }
+            throw new Exception($error);
+        }
+    
+        return $decoded;
+    }
+}