#4 fixing a scenario having a part with no content-type and either a …

…file-type payload.

README.md

@@ -83,4 +83,15 @@ Now, having this two key values then you can implement it:
 The returned data is an array of parts, each one described by a filename,
 a type and a data, this last one is a Buffer (see also Node Buffer).
 
+# How to Test Locally
+
+A test.js file is provided in order to do a local testing, simply open
+a console and type:
+
+```
+cd /your/project/parse-multipart;
+# or: cd /your/project/node_modules/parse-multipart;
+node test # please read the comments at test.js
+```
+
 

multipart.js

@@ -33,14 +33,14 @@ exports.Parse = function(multipartBodyBuffer,boundary){
 			{ value: b, writable: true, enumerable: true, configurable: true })
 			return o;
 		}
-		var header = part.header.split(';');		
-		var file = obj(header[2]);
-		var contentType = part.info.split(':')[1].trim();		
+		var header = part.header.split(';');
+        var file = obj(header[2] ? header[2] : 'filename=\"NOT_A_FILE\"');
+        var contentType = (part.info) ? (part.info.split(':')[1].trim()) : 'text/plain';
 		Object.defineProperty( file , 'type' , 
 			{ value: contentType, writable: true, enumerable: true, configurable: true })
 		Object.defineProperty( file , 'data' , 
 			{ value: new Buffer(part.part), writable: true, enumerable: true, configurable: true })
-		return file;
+        return file;
 	}
 	var prev = null;
 	var lastline='';
@@ -125,12 +125,16 @@ exports.DemoData = function(){
 	body += "111Y\r\n";
 	body += "111Z\rCCCC\nCCCC\r\nCCCCC@\r\n\r\n";
 	body += "------WebKitFormBoundaryvef1fLxmoUdYZWXp\r\n";
-	body += "Content-Disposition: form-data; name=\"uploads[]\"; filename=\"B.txt\"\r\n";
+	body += "Content-Disposition: form-data; name=\"testMessage\";\r\n";
+	body += "\r\n\r\n";
+	body += "test message 123456\r\n";
+	body += "------WebKitFormBoundaryvef1fLxmoUdYZWXp\r\n";
+	body += "Content-Disposition: form-data; name=\"uploads[]\"; filename=\"C.txt\"\r\n";
 	body += "Content-Type: text/plain\r\n",
 	body += "\r\n\r\n";
-	body += "@22X";
-	body += "222Y\r\n";
-	body += "222Z\r222W\n2220\r\n666@\r\n";
+	body += "@CCC";
+	body += "CCCY\r\n";
+	body += "CCCZ\rCCCW\nCCC0\r\n666@\r\n";
 	body += "------WebKitFormBoundaryvef1fLxmoUdYZWXp--\r\n";
 	return (new Buffer(body,'utf-8')); 
 	// returns a Buffered payload, so the it will be treated as a binary content.

test.js

@@ -0,0 +1,60 @@
+/**
+    this is a tester, it enables you to debug your request.
+
+    1. USAGE:
+
+      Provide two values: body and contentType and put them in the
+      respective variables, then execute:
+
+      $ node test
+    
+    2. OBTAINING THE BODY AND CONTENT-TYPE UNDER AMAZON APIGATEWAY+LAMBDA:
+    
+      if you are runnig this library on Amazon Aws (ApiGateway) then put
+      this line in the very beggining of your lambda function:
+
+         console.log(JSON.stringify(event));
+    
+      it will provide you with something similar to (see logs in CloudWatch):
+
+      ```
+        2017-07-05T23:17:58.956Z    2f01d974-61d8-11e7-9b9a-87f6b4f45038    event=
+        {
+            "body-json": "LS0tLS0tV2ViS........",
+            "params": {
+                "path": {},
+                "querystring": {},
+                "header": {
+                    "Accept": "/",
+                    "Accept-Encoding": "gzip, deflate, br",
+                    "Accept-Language": "ko-KR,ko;q=0.8,en-US;q=0.6,en;q=0.4",
+                    "CloudFront-Is-Tablet-Viewer": "false",
+                    "CloudFront-Viewer-Country": "JP",
+                    "content-type": "multipart/form-data; boundary=----WebKitFormBoundaryoCaPJuwCGZB5G5Jq",
+                ...
+                }
+            }
+        }
+      ```
+    from this log, copy and paste the values for: "body-json" and "content-type".
+*/
+var multipart = require('./multipart.js');
+
+var body = "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";
+var contentType='multipart/form-data; boundary=----WebKitFormBoundaryoCaPJuwCGZB5G5Jq';
+var boundary=null;
+
+// activate this line to utilize the body and content type defined above
+// body = new Buffer(body,'base64'); boundary = multipart.getBoundary(contentType);
+
+// activate this line to utilize the demo data
+body = multipart.DemoData(); boundary="----WebKitFormBoundaryvef1fLxmoUdYZWXp";
+
+var parts = multipart.Parse(body,boundary);
+for(var i=0;i<parts.length;i++){
+    var part = parts[i];
+    console.log(part);
+    if('NOT_A_FILE' != part.filename) require("fs").writeFile(
+        '/tmp/'+part.filename,part.data,function(err){ 
+                console.log('file saved at:','/tmp/'+part.filename); });
+}