Hello am trying to do a WebAPI + Windows Phone APP to interact. Project is Web API MVC4 .NET 4.5
I have the following issues:
Model binding is not working or at last not populating internal fields.
If you try to see the variable "toRegister" from register its always null and everything null. And it should populate right?.
Note: User Object is in both cases the same class.
Server Code.
public SessionAPI register(User toRegister)
{ //SomeCodeHere }
Client Code. (Windows Phone 8)
User toPost = new User();
toPost.Name = "test";
toPost.Email = "email#email.com";
toPost.PhoneNumber = "13243";
toPost.Password = "secret";
WebClient webClient = new WebClient();
webClient.Headers["Accept"] = "application/json";
webClient.Headers["Content-Type"] = "application/json";
webClient.UploadStringAsync(new Uri(Destination), "POST" ,JsonConvert.SerializeObject(toPost));
webClient.UploadStringCompleted += new UploadStringCompletedEventHandler(webClient_UploadRegistrationCompleted);
Thank you for your time.
You are doing a POST in your code so your API controller should have a method called Post:
public SessionAPI Post(User toRegister)
{
...
}
Related
Attempting this on .NET Core 3.1
After several hours of trying to publish a photo to my public facebook page (as in business page) of which I am the admin and have a long-term token for...
I keep getting the following response to my request using the official Facebook SDK for .NET. However, the image itself is never loaded.
{{"id":"786692942226147","post_id":"113260773923227_786692942226147"}}
The request looks like
var imageMedia = new FacebookMediaObject { FileName = file.FileName, ContentType = file.ContentType };
var stream = file.OpenReadStream();
var bytes = await stream.ReadAsByteArrayAsync();
imageMedia.SetValue(bytes);
var fbClient = new FacebookClient(credential.Token)
{
AppId = _config.GetValue<string>("FacebookClientId"),
AppSecret = _config.GetValue<string>("FacebookSecret")
};
dynamic parameters = new ExpandoObject();
parameters.message = request.Message;
parameters.file = imageMedia;
var result = await fbClient.PostTaskAsync($"{credential.PageId}/photos", parameters, token);
I'm sure it has something to do with the parameters I'm passing in, like parameters.file... but the docs for this thing are VERY unclear... as in "literally does not exist"
Anyone with experience getting this working, please point me in the right direction?
The solution is to change parameters.file to parameters.image...
I'm writing a web app that pulls events data from Facebook, and I can get a lot of the information using an app token, but not the picture, which requires a client token, as documented here: https://developers.facebook.com/docs/graph-api/reference/v2.2/event/picture
I want the code that grabs the event data to run automatically on a server at regular intervals, without requiring a user to log in to their Facebook account.
Is there a way I can get a client token without user intervention? If not, is there another way I can get the event picture?
This is the code I am using to get the event data, using C# and JSON.Net (This gets a list of events created by the specified user - ResortStudios):
var fb = new FacebookClient();
dynamic result = fb.Get( "oauth/access_token", new
{
client_id = "XXXXXXXXXXX",
client_secret = "XXXXXXXXXXXXXXXXXXXXXXXXX",
grant_type = "client_credentials"
} );
var apptoken = result.access_token;
fb = new FacebookClient(apptoken);
result = fb.Get("ResortStudios/events");
JObject events = JObject.Parse(result.ToString());
JArray aEvents = (JArray)events["data"];
string s = aEvents.ToString();
List<fbEvent> lEvents = JsonConvert.DeserializeObject<List<fbEvent>>(s);
I've not tried this but something occurred to me that might work for you. Have you considered something like storing it a non-persistent data store like session state? Then, using the Facebook SDK for .NET, you create an ActionResult for UserInfo, like below. (I know this isn't directly applicable but I hoped it might get you thinking.)
//http://facebooksdk.net/docs/web/ajax-requests/
public ActionResult UserInfo()
{
var accessToken = Session["AccessToken"].ToString();
var client = new FacebookClient(accessToken);
dynamic result = client.Get("me", new { fields = "name,id" });
return Json(new
{
id = result.id,
name = result.name,
});
}
I need to call a web service from a .net web application, here is my code:
LoginRequest req = new LoginRequest();
LoginRequestBody reqBody = new LoginRequestBody();
reqBody.username = txtUsername.Text;
reqBody.password = txtPassword.Text;
req.Body = reqBody;
LoginResponse resp = new LoginResponse();
LoginResponseBody respBody = new LoginResponseBody();
resp.Body = respBody;
MessageBox.Show(respBody.LoginResult.ToString());
The message returned is always false, while the message from the web service (when I test directly) is returning true, what's wrong with my code?
You are not actually calling the web-service! You should not be creating a response directly - you should be asking the web-service for one, e.g.
LoginResponse response = LoginService.Login(req);
However, I don't know what your service is actually called, so the above is just a sample.
I'm trying to detect the current web browser within one of my Api Controllers in my program using MVC4. Everywhere I look people say to use Request.Browser, however I can't get that to work. Any suggestions or is there something I'm overlooking?
You can use the HttpBrowserCapabilities in System.Web like this
var userAgent = HttpContext.Current.Request.UserAgent;
var userBrowser = new HttpBrowserCapabilities { Capabilities = new Hashtable { { string.Empty, userAgent } } };
var factory = new BrowserCapabilitiesFactory();
factory.ConfigureBrowserCapabilities(new NameValueCollection(), userBrowser);
//Set User browser Properties
BrowserBrand = userBrowser.Browser;
BrowserVersion = userBrowser.Version;
This relies on browscap.ini in Windows/System32/inetsrv/ or Windows/SysWOW64/inetsrv for definitions.
This article may also help - http://stephenwalther.com/archive/2010/03/05/use-asp-net-4-browser-definitions-with-asp-net-3-5
You could do something like following too from within the Web API's action:
System.Net.Http.HttpRequestMessage currentRequest = this.Request;
System.Net.Http.Headers.HttpHeaderValueCollection<System.Net.Http.Headers.ProductInfoHeaderValue> userAgentHeader = currentRequest.Headers.UserAgent;
I'm trying to develop a simple application that will enable users to purchase services off a website through the Paypal API. This application is running on ASP.NET with C#.
I have had very little luck trying to get the Paypal API to co-operate. The method I'm calling is SetExpressCheckout with all the appropriate variables.
I did my research and discovered that since I'm testing in Localhost, it may affect Paypal's ability to communicate with the application. So the next thing I tried was accessing my application through an open port and a publicly accessible IP address, but the same error occurs on the call to SetExpressCheckout.
Here is the error:
Exception Details: System.Net.WebException: The request was aborted: Could not create SSL/TLS secure channel.
Source Error:
Line 1790: [return: System.Xml.Serialization.XmlElementAttribute("SetExpressCheckoutResponse", Namespace="urn:ebay:api:PayPalAPI")]
Line 1791: public SetExpressCheckoutResponseType SetExpressCheckout([System.Xml.Serialization.XmlElementAttribute(Namespace="urn:ebay:api:PayPalAPI")] SetExpressCheckoutReq SetExpressCheckoutReq) {
Line 1792: object[] results = this.Invoke("SetExpressCheckout", new object[] {
Line 1793: SetExpressCheckoutReq});
Line 1794: return ((SetExpressCheckoutResponseType)(results[0]));
Source File: c:\WINDOWS\Microsoft.NET\Framework\v4.0.30319\Temporary ASP.NET Files\anan_p2\730602d6\31a8d74e\App_WebReferences.c8vgyrf8.2.cs Line: 1792
I've also tried generating certificates using OpenSSL and uploading them to the Paypal account's encrypted seller option but still no effect.
Thank you very much for reading through my question!
Update: As requested here is the code being used.
String hostingOn = ConfigurationManager.AppSettings["default_site_url"];
reqDetails.ReturnURL = hostingOn + "marketplace_confirm.aspx";
reqDetails.CancelURL = hostingOn + "marketplace.aspx";
reqDetails.NoShipping = "1";
reqDetails.ReqConfirmShipping = "0";
reqDetails.OrderTotal = new BasicAmountType()
{
currencyID = CurrencyCodeType.CAD,
Value = payment_amt.Value,
};
SetExpressCheckoutReq req = new SetExpressCheckoutReq()
{
SetExpressCheckoutRequest = new SetExpressCheckoutRequestType()
{
Version = UtilPayPalAPI.Version,
SetExpressCheckoutRequestDetails = reqDetails
}
};
PayPalAPIAASoapBinding paypal = new PayPalAPIAASoapBinding();
paypal.SetExpressCheckout(req);
I am also using the https://api-aa-3t.paypal.com/2.0/ url for accessing the API
Since early 2016, Paypal started requiring TLS 1.2 protocol for communications in the Sandbox, and will enforce it for the live environment starting June 17. See here for reference.
In most .NET applications TLS 1.2 will come disabled by default, and therefore you'll need to enable it.
You need to add the following line, for example, at the beginning of you Application_Start method:
public class Site : HttpApplication
{
protected void Application_Start()
{
ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12;
// other configuration
}
}
You're probably connecting to api.paypal.com or api.sandbox.paypal.com, and not sending along your API certificate. The API certificate is a client SSL certificate used to complete the SSL chain.
If you don't have or are not using an API certificate, you should connect to api-3t.paypal.com or api-3t.sandbox.paypal.com for Live or Sandbox respectively.
I've been working with a PayPal (NVP/Signature) Express Checkout integration and have been hit with this SSL/TLS error.
Nothing I did seemed to get around it but then I found the following code to add above my request. For reference, I'm using MVC3/.NET 4 so Tls1.2 isn't available to me by default (like in .NET 4.5 +). This first three lines of this code gets around that. I hope it helps people!
ServicePointManager.Expect100Continue = true;
ServicePointManager.SecurityProtocol = (SecurityProtocolType)3072;
ServicePointManager.DefaultConnectionLimit = 9999;
var url = "https://[paypal-api-url]/nvp";
var uri = new Uri(url);
var request = WebRequest.Create(uri);
var encoding = new UTF8Encoding();
var requestData = encoding.GetBytes(data);
request.ContentType = "application/x-www-form-urlencoded";
request.Method = "POST";
request.Timeout = (300 * 1000);
request.ContentLength = requestData.Length;
using (var stream = request.GetRequestStream())
{
stream.Write(requestData, 0, requestData.Length);
}
var response = request.GetResponse();
...
Thanks a lot that really helps me.
For reference here is my code for establishing the interface in VB.NET
'Create a service Binding in code
Dim ppEndpointAddress As New System.ServiceModel.EndpointAddress("https://api-3t.sandbox.paypal.com/2.0/")
Dim ppBinding As New System.ServiceModel.BasicHttpBinding(System.ServiceModel.BasicHttpSecurityMode.Transport)
Dim ppIface As New PayPalAPI.PayPalAPIAAInterfaceClient(ppBinding, ppEndpointAddress)
Dim ppPaymentReq As New PayPalAPI.DoDirectPaymentReq()
ppPaymentReq.DoDirectPaymentRequest = ppRequest