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SEBWIN-645: Added basic user agent for network resource requests.

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This commit is contained in:
Damian Büchel 2023-03-06 17:15:51 +01:00
parent e743d4a564
commit 296f87727d
1 changed files with 17 additions and 6 deletions
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23
SafeExamBrowser.Configuration/DataResources/NetworkResourceLoader.cs
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@ -11,6 +11,7 @@ using System.IO;
using System.Linq;
using System.Net;
using System.Net.Http;
using System.Net.Http.Headers;
using System.Net.Mime;
using System.Threading.Tasks;
using SafeExamBrowser.Configuration.Contracts;
@ -21,8 +22,8 @@ namespace SafeExamBrowser.Configuration.DataResources
{
public class NetworkResourceLoader : IResourceLoader
{
private AppConfig appConfig;
private ILogger logger;
private readonly AppConfig appConfig;
private readonly ILogger logger;
/// <remarks>
/// See https://developer.mozilla.org/en-US/docs/Web/HTTP/Basics_of_HTTP/MIME_types.
@ -69,7 +70,7 @@ namespace SafeExamBrowser.Configuration.DataResources
logger.Debug($"Sending GET request for '{uri}'...");
var request = new HttpRequestMessage(HttpMethod.Get, uri);
var request = Build(HttpMethod.Get, uri);
var response = Execute(request);
logger.Debug($"Received response '{ToString(response)}'.");
@ -86,6 +87,16 @@ namespace SafeExamBrowser.Configuration.DataResources
return LoadStatus.Success;
}
private HttpRequestMessage Build(HttpMethod method, Uri uri)
{
var request = new HttpRequestMessage(method, uri);
var userAgent = new ProductInfoHeaderValue("SEB", appConfig.ProgramInformationalVersion);
request.Headers.UserAgent.Add(userAgent);
return request;
}
private Uri BuildUriFor(Uri resource)
{
var scheme = GetSchemeFor(resource);
@ -158,9 +169,9 @@ namespace SafeExamBrowser.Configuration.DataResources
{
logger.Debug($"Sending HEAD request for '{uri}'...");
var request = new HttpRequestMessage(HttpMethod.Head, uri);
var request = Build(HttpMethod.Head, uri);
var response = Execute(request);
isAvailable = response.IsSuccessStatusCode || IsUnauthorized(response);
logger.Debug($"Received response '{ToString(response)}'.");
}
@ -175,7 +186,7 @@ namespace SafeExamBrowser.Configuration.DataResources
{
logger.Debug($"HEAD request was not successful, trying GET request for '{uri}'...");
var request = new HttpRequestMessage(HttpMethod.Get, uri);
var request = Build(HttpMethod.Get, uri);
var response = Execute(request);
isAvailable = response.IsSuccessStatusCode || IsUnauthorized(response);