Questions tagged [httpclienthandler]
22 questions
10
votes
1 answer
Access HttpClientHandler from HttpClient instance?
When working with a HttpClient instance and HttpClientHandler instance (.Net Framework, not using Core), is it possible to access the HttpClientHandler instance/its properties later in any way (for read-only purposes)?
Unfortunately creating the…

cty
- 357
- 5
- 16
7
votes
1 answer
Using SocketsHttpHandler in .NET Core 2.2 and ignoring cert validation
With HttpClientHandler, we are able to set a server validation callback and return true (by writing it out or using DangerousAcceptAnyServerCertificateValidator). How can I ensure that I bypass this verification also when I switch my HttpClient to…

djsoteric
- 188
- 1
- 10
5
votes
0 answers
What are the Best Practices with using HttpClient & HttpClientHandler for multiple endpoints?
Using HttpClient is not as straight forward as I would've hoped. Despite it being an IDisposable type it is not best practice to wrap it in a using statement and it's even ideal to make it a singleton. However, what about when you pass in a…

Sam
- 26,946
- 12
- 75
- 101
4
votes
0 answers
How to pass HttpClientHandler to existing HttpClient?
I have HttpClient httpClient injected from outside of my class.
Inside my class I'm creating a new HttpClientHandler var handler = new HttpClientHandler() and setting its values.
I need to link HttpClientHandler to existing HttpClient the same way…

Mariusz Ignatowicz
- 1,445
- 2
- 20
- 41
2
votes
0 answers
Detect "Is Client Certificate required" when using C# HttpClient
My client application calls an Azure App Service with HttpClient
Something like this:
HttpClientHandler handler = new HttpClientHandler();
if (I detect a certificate is needed)
{
httpClientHandler.ClientCertificates.Add(cert);
…

user2081514
- 95
- 1
- 7
1
vote
0 answers
HttpClient with HttpClientHandler ClientCertificate not working in c#
I need to send data to a webapi which needs a certificate to authorize. This is working on .net 4.5.2 with WebRequestHandler but when I try to upgrade to dotnet 5 and using HttpClientHandler I got an error:
Message: The SSL connection could not be…

Shalom Dahan
- 335
- 7
- 19
1
vote
0 answers
c# add CookieContainer to HttpClientHandler
I have the following function written in c#:
public static string FunctionName()
{
try
{
using (var httpClient = new HttpClient())
{
var uri = new Uri("https://www.website.com/api/1/auth/user");
…

pr0b
- 377
- 2
- 3
- 14
1
vote
0 answers
dotnet 5 how to use windows authentication credentials in HttpClient
issue in .net 5 that not happen in .net core 3.1
the windows authentication didn't pass to HttpClient
this same code that work on .net core 3.1 :
[HttpGet("getuser")]
public async Task GetUser()
{
var handle = new HttpClientHandler
…

kfir
- 21
- 3
1
vote
1 answer
await client.GetStringAsync(url) ERREUR
async void GetLieu(string place)
{
ShowProgressDialogue("Récupération des données...");
string MonURL = "https://hubeau.eaufrance.fr/api/v1/hydrometrie/referentiel/stations";
string url = MonURL +…

michael
- 25
- 7
1
vote
1 answer
Access IMemoryCache service from AddHttpClient
I am using .NET Core 3.1.
On Startup, I am adding the following:
public void ConfigureServices(IServiceCollection services)
{
services.AddHttpClient().ConfigurePrimaryHttpMessageHandler(() =>
{
var handler = new…

PKCS12
- 407
- 15
- 41
1
vote
1 answer
Using Network Creds in dotnet core app on a mac using HttpClient
Writing a dotnet core app. I need to log in with network credentials as the service (which happens to be a TFS on-prem server) uses those to authenticate. From my (and another team members') windows machine, the following code works:…

ejbaum
- 73
- 6
1
vote
1 answer
DelegatingHandler and HttpClient in a loop
I am trying to execute HttpClient.GetAsync in a loop.
As per Microsoft Doc, it is recommended to use 1 instance of HttpClient.
The way I'm getting HttpClient is
var httpClient =…

Alen Alex
- 897
- 4
- 15
- 31
0
votes
1 answer
Problem getting my application to log into webpage
The "*" are my credentials to log in, and are set to variables.
When I run the code, my returned value is a string stating my conditional statement, else value.
I am pretty sure I am thinking in the right direction, but somewhere in my thought…

ワッツアンドレ
- 15
- 6
0
votes
0 answers
.NET HttpClientHandler with ServerCertificateCustomValidationCallback , how to add additional information to generated AuthenticationException
I am using a custom server validation callback based on
this example
private void InitServices(IHostBuilder builder, ...)
{
...
builder
.ConfigureServices((context, services) =>
{
services.AddHttpClient("myHttpClient", c =>
…

RickyTad
- 281
- 1
- 3
- 15
0
votes
0 answers
VB.net FCM proxy 407 issue
I have a basic setup for Push Delivery, they are working fine without proxy. I tried to add a proxy setting but couldn't manage to make it work.
I am using below function to deliver push notifications:
Public Function Send(ByVal title As String,…

seneill
- 63
- 7