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using HyperBooru.ApiModels;
using System.Net;
using System.Net.Http.Json;
namespace HyperBooru.ApiClient;
public sealed class HBSession : IDisposable {
public Media Media { get; private init; }
public Tag Tag { get; private init; }
public Feed Feed { get; private init; }
public User User { get; private init; }
public Statistics Statistics { get; private init; }
public Uri BaseUri { get; private init; }
internal HttpClient HttpClient { get; private init; }
public HBSession (
Uri baseUri,
bool skipCertificateCheck) {
BaseUri = new($"{baseUri.Scheme}://{baseUri.Host}:{baseUri.Port}/");
var handler = new HttpClientHandler() {
AllowAutoRedirect = true,
UseCookies = true,
CookieContainer = new CookieContainer()
};
if(skipCertificateCheck) {
handler.ClientCertificateOptions = ClientCertificateOption.Manual;
handler.ServerCertificateCustomValidationCallback =
(request, cert, certChain, policyErrors) => true;
}
HttpClient = new(new ErrorHandler(handler)) {
BaseAddress = BaseUri
};
Media = new(this);
Tag = new(this);
Feed = new(this);
User = new(this);
Statistics = new(this);
}
public async Task LoginAsync(string username, string password) {
var formData = new FormUrlEncodedContent(new[] {
new KeyValuePair<string, string>("username", username),
new KeyValuePair<string, string>("password", password)
});
var resp = await HttpClient.PostAsync($"/Login", formData);
if(resp.StatusCode == HttpStatusCode.Forbidden) {
throw new Exception("Invalid username or password");
} else if(!resp.IsSuccessStatusCode) {
var content = await resp.Content.ReadAsStringAsync();
throw new Exception($"Unknown error while logging in: {content}");
}
Media = new(this);
Tag = new(this);
Feed = new(this);
User = new(this);
Statistics = new(this);
}
public async Task LogoutAsync() =>
await HttpClient.PostAsync("/Logout", null);
public void Dispose() =>
HttpClient.Dispose();
}
public class ErrorHandler : DelegatingHandler {
public ErrorHandler(HttpMessageHandler innerHandler) : base(innerHandler) {}
protected override async Task<HttpResponseMessage> SendAsync(HttpRequestMessage request, CancellationToken ct) {
var resp = await base.SendAsync(request, ct);
if(resp.IsSuccessStatusCode)
return resp;
HBException e;
try {
e = await resp.Content.ReadFromJsonAsync<HBException>(ct) ??
throw new NullReferenceException();
} catch {
throw new HBException("An unknown error occurred");
}
throw e;
}
}
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