Develop Reference

Android: Generate Oauth1 Signature in Volley Request

I am trying to add Oauth1 Authorization in my android app using volley
in the postman when i add the details like oauth_consumer_key, oauth_consumer_secret , token_key token_secret like the picture below
it generate a header like below picture and response received successfully.
Postman generated header
Authorization:OAuth oauth_consumer_key="4e77abaec9b6fcda9kjgkjgh44c2e1",oauth_token="2da9439r34104293b1gfhse2feaffca9a1",oauth_signature_method="HMAC-SHA1",oauth_timestamp="1482470443",oauth_nonce="cCbH5b",oauth_version="1.0",oauth_signature="A1QPwTATVF4x3cN0%2FN46CZrtSKw%3D"
Problem
I googled a lot to create oauth signature like postmasn created to attach volley ServerConnectionChannel but failed.
oauth_signature="A1QPwTATVF4x3cN0%2FN46CZrtSKw%3D"
Current code
public void doSendJsonRequest(final ERequest ERequest) {
requestMethod = String.valueOf(ERequest.method);
requestUrl = String.valueOf(ERequest.mReqUrl);
if(requestMethod.equals(Request.Method.GET)){
requestMethod = "GET";
}else if(requestMethod.equals(Request.Method.POST)){
requestMethod = "POST";
}else if(requestMethod.equals(Request.Method.PUT)){
requestMethod = "PUT";
}else if(requestMethod.equals(Request.Method.DELETE)){
requestMethod = "DELETE";
}
Long tsLong = System.currentTimeMillis()/1000;
final String ts = tsLong.toString();
final String kk = requestMethod+"&" + encode(requestUrl)+"&";
final String kk = encode("GET"+"&"
+ requestUrl+"&"
+ OAUTH_CONSUMER_KEY + "=\"4e77abaec9b6fcda9b11e89a9744c2e1\"&"
+OAUTH_NONCE + "=\"" + getNonce()+ "\"&"
+OAUTH_SIGNATURE_METHOD + "=\""+OAUTH_SIGNATURE_METHOD_VALUE+"\"&"
+OAUTH_TIMESTAMP + "=\"" + ts + "\"&"
+OAUTH_TOKEN +"=\"2da943934104293b167fe2feaffca9a1\"");
RequestQueue queue = VolleyUtils.getRequestQueue();
try {
JSONObject jsonObject = ERequest.jsonObject;
EJsonRequest myReq = new EJsonRequest(ERequest.method, ERequest.mReqUrl, jsonObject, createReqSuccessListener(ERequest), createReqErrorListener(ERequest)) {
public Map < String, String > getHeaders() throws AuthFailureError {
// Long tsLong = System.currentTimeMillis()/1000;
// String ts = tsLong.toString();
String strHmacSha1 = "";
String oauthStr = "";
strHmacSha1 = generateSignature(kk, oAuthConsumerSecret, oAuthTokenSecret);
strHmacSha1 = toSHA1(strHmacSha1.getBytes());
Log.e("SHA !",strHmacSha1);
oauthStr ="OAuth "+ OAUTH_CONSUMER_KEY + "=\"4e77abaec9b6fcda9b11e89a9744c2e1\","
+OAUTH_TOKEN +"=\"2da943934104293b167fe2feaffca9a1\","
+OAUTH_SIGNATURE_METHOD + "=\""+OAUTH_SIGNATURE_METHOD_VALUE+"\","
+OAUTH_TIMESTAMP + "=\"" + ts + "\","
+OAUTH_NONCE + "=\"" + getNonce()+ "\","
+OAUTH_VERSION + "=\"" + OAUTH_VERSION_VALUE + "\","
+OAUTH_SIGNATURE + "=\"" + strHmacSha1+ "\"";
Log.e("VALUE OF OAuth str",oauthStr);
Map<String, String> params = new HashMap<String, String>();
params.put("Content-Type", "application/json");
params.put("Authorization",oauthStr);
// params.put("Authorization",getConsumer().toString());
return params;
}
};
myReq.setRetryPolicy(new DefaultRetryPolicy(
DefaultRetryPolicy.DEFAULT_TIMEOUT_MS * 4,
BABTAIN_MAX_RETRIES,
BABTAIN_BACKOFF_MULT));
myReq.setHeader("Cache-Control", "no-cache");
//myReq.setHeader("Content-Type", "application/json");
queue.add(myReq);
} catch (Exception e) {
e.printStackTrace();
}
private String generateSignature(String signatueBaseStr, String oAuthConsumerSecret, String oAuthTokenSecret) {
byte[] byteHMAC = null;
try {
Mac mac = Mac.getInstance("HmacSHA1");
SecretKeySpec spec;
if (null == oAuthTokenSecret) {
String signingKey = encode(oAuthConsumerSecret) + '&';
spec = new SecretKeySpec(signingKey.getBytes(), "HmacSHA1");
} else {
String signingKey = encode(oAuthConsumerSecret) + '&' + encode(oAuthTokenSecret);
spec = new SecretKeySpec(signingKey.getBytes(), "HmacSHA1");
}
mac.init(spec);
byteHMAC = mac.doFinal(signatueBaseStr.getBytes());
} catch (Exception e) {
e.printStackTrace();
}
String base64 = Base64.encodeToString(byteHMAC, Base64.DEFAULT);
return base64.trim();
}
private String toSHA1(byte[] convertme) {
MessageDigest md = null;
try {
md = MessageDigest.getInstance("SHA-1");
}
catch(NoSuchAlgorithmException e) {
e.printStackTrace();
}
return byteArrayToHexString(md.digest(convertme));
}
private String byteArrayToHexString(byte[] b) {
String result = "";
for (int i=0; i < b.length; i++)
result += Integer.toString( ( b[i] & 0xff ) + 0x100, 16).substring( 1 );
return result;
}
this code create a signature like :oauth_signature="42a611860e29e893a435b555e7a9559a704f4e94" and it failed to get autherization.
getting error like : BasicNetwork.performRequest: Unexpected response code 401 for url
?How to generate oauth_signature like postman provided using volley..
?how can i improve this code ?Is any libraries or default function to do that
?How we add oauth1 signature in volley..
Please Help.. Thank you

I just found a github example for generating signature corresponding to nonce in Oauth1 and successfully integrate into my project
here is the link : https://github.com/rameshvoltella/WoocommerceAndroidOAuth1

Remote Controlling the Android App from Web Application (ASP.Net)

I would like to start/stop the video recording automatically by sending notification from Web Server (Web Application) to Android App. What would be best approach?
I have following approaches in my mind:
Opening Web sockets using Signal R Approach.
SMS Messaging (App will have SMS receiver event, start/stop recording based on messages).

using FCM you send notification on Android App from .net Application:
[WebMethod]
[ScriptMethod(ResponseFormat = ResponseFormat.Json)]
public void Uploadfirebasedata(string firebaseid, string emailid,string Operation)
{
int ret = 0;
string suc = "success";
// XmlDocument xmlupdatedoc = new XmlDocument();
SqlParameter[] param =
{
new SqlParameter("#firebaseid", DbType.String),
new SqlParameter("#emailid", DbType.String),
new SqlParameter("#Operation", DbType.String),
};
param[0].Value = firebaseid;
param[1].Value = emailid;
param[2].Value = Operation;
string SERVER_API_KEY = "YOUR SERVER API KEY";
var SENDER_ID = "YOUR SENDER ID";
var value = "Hi this is from HRM Team";
WebRequest tRequest;
tRequest = WebRequest.Create("https://fcm.googleapis.com/fcm/send");
tRequest.Method = "post";
//tRequest.ContentType = " application/x-www-form-urlencoded;charset=UTF-8";
//tRequest.Headers.Add(string.Format("Authorization: key={0}", SERVER_API_KEY));
//tRequest.Headers.Add(string.Format("Sender: id={0}", SENDER_ID));
//string postData = "collapse_key=score_update&time_to_live=108&delay_while_idle=1&data.message=" + value + "&data.time=" + System.DateTime.Now.ToString() + "&registration_id=" +firebaseid + "";
//Console.WriteLine(postData);
//Byte[] byteArray = Encoding.UTF8.GetBytes(postData);
tRequest.ContentType = "application/json";
tRequest.Headers.Add(string.Format("Authorization: key={0}", SERVER_API_KEY));
tRequest.Headers.Add(string.Format("Sender: id={0}", SENDER_ID));
var data = new
{
to = firebaseid,
notification = new
{
body = value,
title = "HRM",
icon = "myicon"
}
};
var serializer = new JavaScriptSerializer();
var json = serializer.Serialize(data);
Byte[] byteArray = Encoding.UTF8.GetBytes(json);
tRequest.ContentLength = byteArray.Length;
Stream dataStream = tRequest.GetRequestStream();
dataStream.Write(byteArray, 0, byteArray.Length);
dataStream.Close();
WebResponse tResponse = tRequest.GetResponse();
dataStream = tResponse.GetResponseStream();
StreamReader tReader = new StreamReader(dataStream);
String sResponseFromServer = tReader.ReadToEnd();
tReader.Close();
dataStream.Close();
tResponse.Close();
// return sResponseFromServer;
ret = objdata.ExecuteNonQuery("SP_TestWebServiceOperation", param);
if (ret == 1)
{
HttpContext.Current.Response.Write(new JavaScriptSerializer().Serialize(suc + sResponseFromServer));
// xmlupdatedoc.LoadXml("<root><item>Successful</item></root>");
}
else
{
//xmlupdatedoc.LoadXml("<root><item>Unsuccessful</item></root>");
}
}
first you have register your app on to firebase console.
get token from android app using webservice

Android to WCF: Streaming multi part image and Json string

Android to WCF: Streaming multi part image and Json string
I want to create a WCF-RESTful web service method,in which i need to upload an image(multipart-form data) along with some other information (in JSON format). This web service will be accessed by android and iPhone application to send Image and json information as
I want WCF Server Side and Android Code, Help me
I'm trying to upload an image and a text to a wcf service. I create a service to save upload images:
Rest Client Code
protected void Button2_Click(object sender, EventArgs e)
{
if (FileUpload1.HasFile)
{
MemoryStream mStream = new MemoryStream();
Bitmap bmpPostedImage = new Bitmap(FileUpload1.PostedFile.InputStream);
bmpPostedImage.Save(mStream, System.Drawing.Imaging.ImageFormat.Jpeg);
byte[] imageArray = mStream.ToArray();
mStream.Close();
VehicleCheckListTransaction objAttachmentRequestDto = new VehicleCheckListTransaction();
objAttachmentRequestDto.VehicleCheckListTransactionID = 0;
objAttachmentRequestDto.VehicleCheckListID = 2;
objAttachmentRequestDto.TTID = 10;
objAttachmentRequestDto.UserID = 226;
objAttachmentRequestDto.UserTypeID = 4;
objAttachmentRequestDto.ValidTill = "215-05-10";
objAttachmentRequestDto.CurrentDate = "215-07-22";
objAttachmentRequestDto.CurrentStatus = "Yes";
objAttachmentRequestDto.CreatedBy= 226;
objAttachmentRequestDto.ModifiedBy = 226;
objAttachmentRequestDto.CreatedDate = string.Empty;
objAttachmentRequestDto.ModifiedDate = string.Empty;
objAttachmentRequestDto.Notes = "Some Text";
objAttachmentRequestDto.IsActive = true;
objAttachmentRequestDto.FileName = "";
objAttachmentRequestDto.FilePath = "";
objAttachmentRequestDto.VerifiedBy = 226;
var serializer = new DataContractJsonSerializer(typeof(VehicleCheckListTransaction));
var ms = new MemoryStream();
serializer.WriteObject(ms, objAttachmentRequestDto);
ms.Position = 0;
var reader = new StreamReader(ms);
string requestBody = reader.ReadToEnd();
var client = new RestClient();
client.BaseUrl = new Uri("http://localhost:49188/WDS_SERVICE.svc/");
var request = new RestRequest(Method.POST) { DateFormat = DataFormat.Json.ToString(), Resource = "vehiclechecklisttransaction/Add" };
if (requestBody != null)
request.AddParameter("VehicleCheckListTransaction", requestBody);
request.AddFile("file1", imageArray, "NEVER.jpg");
var response = client.Execute(request);
}
}
WCF Service Code
public string UploadPhoto(Stream request)
{
//Read in our Stream into a string...
StreamReader reader = new StreamReader(request);
string JSONdata = reader.ReadToEnd();
// ..then convert the string into a single "wsCustomer" record.
JavaScriptSerializer jss = new JavaScriptSerializer();
Checklist Checklist = jss.Deserialize<Checklist>(JSONdata);
try
{
FileStream targetStream = null;
Stream sourceStream = Checklist.fileContents;
String guid = Guid.NewGuid().ToString();
//get photofolder path
string photofolderName = "Trip\\Android";
string filename = guid + ".JPEG";
string uriPath = "file:\\C:\\inetpub\\wwwroot\\WDS\\Media\\" + photofolderName + "\\" + filename;
string photopath = new Uri(uriPath).LocalPath;
using (targetStream = new FileStream(photopath, FileMode.Create, FileAccess.Write, FileShare.None))
{
//read from the input stream in 6K chunks
//and save to output stream
const int bufferLen = 65000;
byte[] buffer = new byte[bufferLen];
int count = 0;
while ((count = sourceStream.Read(buffer, 0, bufferLen)) > 0)
{
targetStream.Write(buffer, 0, count);
}
targetStream.Close();
sourceStream.Close();
}
db.Checklists.Add(Checklist);
db.SaveChanges();
return filename + "_" + Checklist.ChecklistID;
}
catch (Exception ex)
{
throw new FaultException(ex.Message);
}
}

failed to using google GCM in android and .NET

I try to use GCM in my asp.net and android project.
it takes about 3days and nothing change.
what's wrong with my codes?
I'm really confused...
android side: onCreate
static final String GOOGLE_SENDER_ID = "tokyo-hghgf93712";
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_register);
final String regIde = GCMRegistrar.getRegistrationId(this);
if (regIde.equals("")) {
GCMRegistrar.register(this, GOOGLE_SENDER_ID);
Log.v(regIde, "Done!");
} else {
Log.v(regIde, "Already registered");
}
.....
asp.net many of my function
function 1:
public void SendCommandToPhone(String sCommand)
{
String DeviceID = ";
// DeviceID = "THE DEVICE ID YOU ARE SENDING TO";
WebRequest tRequest;
tRequest = WebRequest.Create("https://android.googleapis.com/gcm/send");
tRequest.Method = "post";
tRequest.ContentType = "application/x-www-form-urlencoded";
tRequest.Headers.Add(string.Format("Authorization: key={0}", "tokyo-hghgf93712"));
String collaspeKey = Guid.NewGuid().ToString("n");
//String postData=string.Format("registration_id={0}&data.payload={1}&collapse_key={2}", DeviceID, "Pickup Message", collaspeKey);
String postData = string.Format("registration_id={0}&data.payload={1}&collapse_key={2}", DeviceID, sCommand, collaspeKey);
Byte[] byteArray = Encoding.UTF8.GetBytes(postData);
tRequest.ContentLength = byteArray.Length;
Stream dataStream = tRequest.GetRequestStream();
dataStream.Write(byteArray, 0, byteArray.Length);
dataStream.Close();
WebResponse tResponse = tRequest.GetResponse();
dataStream = tResponse.GetResponseStream();
StreamReader tReader = new StreamReader(dataStream);
String sResponseFromServer = tReader.ReadToEnd();
tReader.Close();
dataStream.Close();
tResponse.Close();
}
function 2:
protected void Page_Load(object sender, EventArgs e)
{
if (IsPostBack)
{
string BrowserAPIKey = "AIzaSygfdgdfgdfgfdgdfpjxgcw";
string message = "monaaaaaaa";
string tickerText = "test";
string contentTitle = "title";
string postData = "{ \"registration_ids\": [ \"" + tbRegistrationID.Text + "\" ], \"data\": {\"tickerText\":\"" + tickerText + "\", \"contentTitle\":\"" + contentTitle + "\", \"message\": \"" + message + "\"}}";
string response = SendGCMNotification(BrowserAPIKey, postData);
litResult.Text = response;
}
}
/// <summary>
/// Send a Google Cloud Message. Uses the GCM service and your provided api key.
/// </summary>
/// <param name="apiKey"></param>
/// <param name="postData"></param>
/// <param name="postDataContentType"></param>
/// <returns>The response string from the google servers</returns>
private string SendGCMNotification(string apiKey, string postData, string postDataContentType = "application/json")
{
// from here:
// http://stackoverflow.com/questions/11431261/unauthorized-when-calling-google-gcm
//
// original:
// http://www.codeproject.com/Articles/339162/Android-push-notification-implementation-using-ASP
ServicePointManager.ServerCertificateValidationCallback += new RemoteCertificateValidationCallback(ValidateServerCertificate);
//
// MESSAGE CONTENT
byte[] byteArray = Encoding.UTF8.GetBytes(postData);
//
// CREATE REQUEST
HttpWebRequest Request = (HttpWebRequest)WebRequest.Create("https://android.googleapis.com/gcm/send");
Request.Method = "POST";
Request.KeepAlive = false;
Request.ContentType = postDataContentType;
Request.Headers.Add(string.Format("Authorization: key={0}", apiKey));
Request.ContentLength = byteArray.Length;
// Request.Headers.Add(string.Format("Sender: id={0}", "5637737476457"));
// Request.Headers.Add(string.Format("Authorization: key={0}", "5637737476457"));
Stream dataStream = Request.GetRequestStream();
dataStream.Write(byteArray, 0, byteArray.Length);
dataStream.Close();
//
// SEND MESSAGE
try
{
WebResponse Response = Request.GetResponse();
HttpStatusCode ResponseCode = ((HttpWebResponse)Response).StatusCode;
if (ResponseCode.Equals(HttpStatusCode.Unauthorized) || ResponseCode.Equals(HttpStatusCode.Forbidden))
{
var text = "Unauthorized - need new token";
}
else if (!ResponseCode.Equals(HttpStatusCode.OK))
{
var text = "Response from web service isn't OK";
}
StreamReader Reader = new StreamReader(Response.GetResponseStream());
string responseLine = Reader.ReadToEnd();
Reader.Close();
return responseLine;
}
catch (Exception e)
{
}
return "error";
}
public static bool ValidateServerCertificate(
object sender,
X509Certificate certificate,
X509Chain chain,
SslPolicyErrors sslPolicyErrors)
{
return true;
}
function 3:
public void SendNotification(string data)
{
string RegId =
";
string ApplicationID = "AIzaSygfdgdfgdfgfdgdfpjxgcw";
string SENDER_ID = "5637737476457";
var value = "Lokesh"; //message text box
WebRequest tRequest;
tRequest = WebRequest.Create("https://android.googleapis.com/gcm/send");
tRequest.Method = "post";
tRequest.ContentType = "application/x-www-form-urlencoded;charset=UTF-8";
tRequest.Headers.Add(string.Format("Authorization: key={0}", ApplicationID)); tRequest.Headers.Add(string.Format("Sender: id={0}", SENDER_ID));
//Data post to the Server
string postData =
"collapse_key=score_update&time_to_live=108&delay_while_idle=1&data.message="
+ value + "&data.time=" + System.DateTime.Now.ToString() +
"&registration_id=" + RegId + "";
Byte[] byteArray = Encoding.UTF8.GetBytes(postData);
tRequest.ContentLength = byteArray.Length;
Stream dataStream = tRequest.GetRequestStream();
dataStream.Write(byteArray, 0, byteArray.Length);
dataStream.Close();
WebResponse tResponse = tRequest.GetResponse(); dataStream = tResponse.GetResponseStream();
StreamReader tReader = new StreamReader(dataStream);
String sResponseFromServer = tReader.ReadToEnd(); //Get response from GCM server
//label_Result.Text = sResponseFromServer; //Assigning GCM response to Label text
tReader.Close(); dataStream.Close();
tResponse.Close();
}

Bad Request sending gcm message

I am trying to send gcm message via C#.
I tried several times, but I get http:400-Bad request while trying to send it in json method.
When I try to send it in text, I can't read it (rtl language) - that's why I am trying JSON.
Anyone knows what the problem?
Thanks!
private static string SendNotificationJson2(string id, string msg)
{
var AuthString = "AIzaSyDAtmaqSdutBQemqmd4dQgf33B_6ssbvXA";
var RegistrationID = id;
var Message = msg;
//-- Create GCM request insted of C2DM Web Request Object --//
HttpWebRequest Request = (HttpWebRequest)WebRequest.Create("https://android.googleapis.com/gcm/send");
Request.Method = "POST";
Request.KeepAlive = false;
//-- Create Query String --//
Dictionary<String, String> dict = new Dictionary<string, string>();
dict.Add("registration_ids", RegistrationID);
dict.Add("data", Message);
dict.Add("collapse_key", "1");
string postData = GetPostStringFrom(dict);
byte[] byteArray = Encoding.UTF8.GetBytes(postData);
Request.ContentType = "application/json";
Request.ContentLength = byteArray.Length;
Request.Headers.Add("Authorization", "key=" + AuthString);
//-- Delegate Modeling to Validate Server Certificate --//
ServicePointManager.ServerCertificateValidationCallback += delegate(
object
sender,
System.Security.Cryptography.X509Certificates.X509Certificate
pCertificate,
System.Security.Cryptography.X509Certificates.X509Chain pChain,
System.Net.Security.SslPolicyErrors pSSLPolicyErrors)
{
return true;
};
//-- Create Stream to Write Byte Array --//
Stream dataStream = Request.GetRequestStream();
dataStream.Write(byteArray, 0, byteArray.Length);
dataStream.Close();
//-- Post a Message --//
WebResponse Response = Request.GetResponse();
HttpStatusCode ResponseCode = ((HttpWebResponse)Response).StatusCode;
if (ResponseCode.Equals(HttpStatusCode.Unauthorized) || ResponseCode.Equals(HttpStatusCode.Forbidden))
{
return "Unauthorized - need new token";
}
else if (!ResponseCode.Equals(HttpStatusCode.OK))
{
return "Response from web service isn't OK";
//Console.WriteLine("Response from web service not OK :");
//Console.WriteLine(((HttpWebResponse)Response).StatusDescription);
}
StreamReader Reader = new StreamReader(Response.GetResponseStream());
string responseLine = Reader.ReadLine();
Reader.Close();
return "ok";
}
private static string GetPostStringFrom(Dictionary<string,string> postFieldNameValue)
{
// return Newtonsoft.Json.JsonConvert.SerializeObject(postFieldNameValue);
return "\"data\": {\"Message\": \"" + postFieldNameValue["data"] + "\"},\"registration_ids\":[\"" + postFieldNameValue["registration_ids"] + "\"]}";
}</code>

You forgot first bracket in Json data
use
return "{\"data\": {\"Message\": \"" + postFieldNameValue["data"] + "\"},\"registration_ids\":[\"" + postFieldNameValue["registration_ids"] + "\"]}";
instead of
return "\"data\": {\"Message\": \"" + postFieldNameValue["data"] + "\"},\"registration_ids\":[\"" + postFieldNameValue["registration_ids"] + "\"]}";

Your registration ID needs to be a JSON array so use a list instead of a single string.