init commit

api/app/Utils/Sms/rest-client/DefaultHttpClient.php

@@ -0,0 +1,122 @@
+<?php
+
+
+class DefaultHttpClient implements HttpClient{
+    
+    /** 
+     * @param HttpRequest $request
+     * @param int $timeout
+     * @return HttpResponse 
+     * @throws RuntimeException
+     */
+    public function makeRequest($request, $timeout=null){                
+        $response = null;
+		$httpSocket=null;
+        try{
+            $httpString = $this->parseRequest($request);               
+            $httpSocket = $this->createSocket($request->getURL(), $timeout);
+            $this->makeHttpRequest($httpSocket, $httpString);   			
+            $responseString = $this->retrieveHttpResponse($httpSocket);
+            $response = $this->parseResponse($responseString, $request);
+			$this->closeSocket($httpSocket);
+        }catch(Exception $ex){ 
+			$this->closeSocket($httpSocket);
+            $exceptionMessage='Http Request Failed. Request['.$request.'], Response['.$response.'].';            
+            throw new Exception($exceptionMessage, null, $ex);   
+        }
+        return $response;
+    }
+    
+    
+    /**
+     * 
+     * @param URL $url
+     * @param int $timeout
+     * @return resource
+     * @throws RuntimeException
+     */
+    private function createSocket($url, $timeout=null){        
+		$host=$url->getHost();
+		$port = $url->getPort() == null ? 80 :  $url->getPort();
+		if($url->getScheme() == 'https'){	
+			$host='ssl://'.$url->getHost();
+			$port = $url->getPort() == null ? 443 :  $url->getPort();
+		}		
+        $errorCode = null;
+        $errorDescription = null;
+		$socket = null;		
+		if (is_null($timeout)){
+			$socket = fsockopen($host, $port, $errorCode, $errorDescription);
+		}
+		else{
+			$socket = fsockopen($host, $port, $errorCode, $errorDescription, $timeout);
+		}	
+        if (!is_resource($socket)) {
+            throw new RuntimeException($errorCode . " (" . $errorDescription . ")");
+        }        
+        return $socket;
+    }
+	
+	private function closeSocket($socket){
+		if(is_resource($socket)){
+			fclose($socket);
+		}
+	}
+    
+    private function makeHttpRequest($socket, $httpString){
+        $this->checkSocket($socket);
+        fwrite($socket, $httpString);
+    }
+    
+    private function checkSocket($socket){
+         if(!is_resource($socket)){
+            throw new RuntimeException("Invalid socket resource.");
+        }        
+    }
+    
+    /**
+     * 
+     * @param string $responseString
+     * @param HttpRequest $request
+     * @return HttpResponse
+     */
+    private function parseResponse($responseString, $request){
+        $responseParser = new HttpResponseParser();
+        $response = $responseParser->parse($responseString);    
+        $response->setRequestOrigin($request);
+        return $response;
+    }
+    
+    /**     
+     * @param HttpRequest $request
+     * @return string  
+     */
+    private function parseRequest($request){
+        $requestParser = new HttpRequestParser();
+        $httpString = $requestParser->parse($request);  
+        return $httpString;
+    }
+    
+    /**
+     * 
+     * @param resource $socket
+     * @return string
+     * @throws RuntimeException Caso não seja possível ler o recurso do caminho de origem
+     */
+    private function retrieveHttpResponse($socket){
+        $this->checkSocket($socket);
+        $responseContent = "";   
+		$line="";
+        while (!feof($socket)) {   			
+			$line=fgets($socket, 128);
+            $responseContent .= $line;
+        }		
+        if($responseContent==null || trim($responseContent) == "" ){
+            throw new RuntimeException("Resource requested not found. Try change the request path.");
+        }
+        return $responseContent;
+    }    
+    
+    
+        
+}