Read error information from header

Author: yangzong18

src/OSS/Core/OssException.php

@@ -18,7 +18,7 @@ function __construct($details)
     {
         if (is_array($details)) {
             $message = $details['code'] . ': ' . $details['message']
-                     . ' RequestId: ' . $details['request-id'];
+                     . ' RequestId: ' . $details['request-id'] . " EC:".$details['ec'];
             parent::__construct($message);
             $this->details = $details;
         } else {
@@ -51,4 +51,8 @@ public function getDetails()
     {
         return isset($this->details['body']) ? $this->details['body'] : '';
     }
+
+    public function getEc(){
+        return isset($this->details['ec']) ? $this->details['ec'] : '';
+    }
 }

src/OSS/Result/Result.php

@@ -5,7 +5,6 @@
 use OSS\Core\OssException;
 use OSS\Http\ResponseCore;
 
-
 /**
  * Class Result, The result class of The operation of the base class, different requests in dealing with the return of data have different logic,
  * The specific parsing logic postponed to subclass implementation
@@ -85,14 +84,27 @@ public function parseResponse()
             $requestId = strval($this->getRequestId());
             $code = $this->retrieveErrorCode($this->rawResponse->body);
             $message = $this->retrieveErrorMessage($this->rawResponse->body);
+            $ec = $this->retrieveErrorEc($this->rawResponse->body);
+            if (empty($code)){
+                $code = $this->retrieveErrorFromHeader($this->rawResponse->header,'code');
+            }
+            if (empty($message)){
+                $message = $this->retrieveErrorFromHeader($this->rawResponse->header,'msg');
+            }
+
+            if (empty($ec)){
+                $ec = $this->getOssEc();
+            }
+
             $body = $this->rawResponse->body;
 
             $details = array(
                 'status' => $httpStatus,
                 'request-id' => $requestId,
                 'code' => $code,
                 'message' => $message,
-                'body' => $body
+                'body' => $body,
+                'ec' => $ec,
             );
             throw new OssException($details);
         }
@@ -116,6 +128,28 @@ private function retrieveErrorMessage($body)
         return '';
     }
 
+
+    /**
+     * Get some msg from header
+     * @param $header array
+     * @param $type string code|msg|ec
+     * @return string
+     */
+    private function retrieveErrorFromHeader($header,$type){
+        if (isset($header['x-oss-err'])){
+            $content = base64_decode($header['x-oss-err'],true);
+            switch ($type){
+                case "code":
+                    return $this->retrieveErrorCode($content);
+                case "msg":
+                    return $this->retrieveErrorMessage($content);
+            }
+        }else{
+            return '';
+        }
+
+    }
+
     /**
      * Try to get the error Code from body
      *
@@ -134,6 +168,42 @@ private function retrieveErrorCode($body)
         return '';
     }
 
+    /**
+     * Try to get the ec Code from body
+     * @return mixed|string
+     */
+    private function getOssEc()
+    {
+
+        if (isset($this->rawResponse) &&
+            isset($this->rawResponse->header) &&
+            isset($this->rawResponse->header['x-oss-ec'])
+        ) {
+            return $this->rawResponse->header['x-oss-ec'];
+        } else {
+            return '';
+        }
+    }
+
+    /**
+     * Try to get the EC from body
+     *
+     * @param $body
+     * @return string
+     */
+    private function retrieveErrorEc($body)
+    {
+        if (empty($body) || false === strpos($body, '<?xml')) {
+            return '';
+        }
+        $xml = simplexml_load_string($body);
+        if (isset($xml->EC)) {
+            return strval($xml->EC);
+        }
+        return '';
+    }
+
+
     /**
      * Judging from the return http status code, [200-299] that is OK
      *

tests/OSS/Tests/HeaderResultTest.php

@@ -2,6 +2,8 @@
 
 namespace OSS\Tests;
 
+use OSS\Core\OssException;
+use OSS\Result\ExistResult;
 use OSS\Result\HeaderResult;
 use OSS\Http\ResponseCore;
 
@@ -20,4 +22,60 @@ public function testGetHeader()
         $data = $result->getData();
         $this->assertEquals($data['key'], 'value');
     }
+    public function testGetHeader2()
+    {
+        $xml = '<?xml version="1.0" ?>
+<Error xmlns="http://doc.oss-cn-hangzhou.aliyuncs.com">
+  <Code>AccessDenied</Code>
+  <Message>***</Message>
+  <RequestId>*******</RequestId>
+  <HostId>oss-cn-hangzhou.aliyuncs.com</HostId>
+  <EC>0003-00000016</EC>
+</Error>';
+        $header = array(
+            "x-oss-request-id"=>"636B68BA80DA8539399F2397",
+            "x-oss-server-time"=>0,
+            "x-oss-ec"=>"0003-00000016",
+            "x-oss-err"=>base64_encode($xml),
+        );
+        $response = new ResponseCore($header, "", 403);
+
+
+        try {
+            $result = new HeaderResult($response);
+        }catch (OssException $e){
+            $this->assertEquals($e->getEc(),"0003-00000016");
+            $this->assertEquals($e->getErrorMessage(),"***");
+            $this->assertEquals($e->getErrorCode(),"AccessDenied");
+        }
+    }
+
+
+    public function testIsExist()
+    {
+        $xml = '<?xml version="1.0" ?>
+<Error xmlns="http://doc.oss-cn-hangzhou.aliyuncs.com">
+  <Code>NotSuchKey</Code>
+  <Message>not exist</Message>
+  <RequestId>11111111111111111111111</RequestId>
+  <HostId>oss-cn-hangzhou.aliyuncs.com</HostId>
+  <EC>0003-00000016</EC>
+</Error>';
+        $header = array(
+            "x-oss-request-id"=>"636B68BA80DA8539399F2397",
+            "x-oss-server-time"=>0,
+            "x-oss-ec"=>"0003-00000016",
+            "x-oss-err"=>base64_encode($xml),
+        );
+        $response = new ResponseCore($header, "", 404);
+
+
+        try {
+            $result = new ExistResult($response);
+            $this->assertTrue($result->isOK());
+            $this->assertEquals($result->getData(), false);
+        }catch (OssException $e){
+            $this->assertTrue(false);
+        }
+    }
 }