bitwarden-mobile/src/Core/Services/ApiService.cs

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using System;
using System.Collections.Generic;
using System.Net;
using System.Net.Http;
using System.Text;
using System.Threading.Tasks;
using Bit.Core.Abstractions;
using Bit.Core.Enums;
using Bit.Core.Exceptions;
using Bit.Core.Models.Domain;
using Bit.Core.Models.Request;
using Bit.Core.Models.Response;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using Newtonsoft.Json.Serialization;
namespace Bit.Core.Services
{
public class ApiService : IApiService
{
private readonly JsonSerializerSettings _jsonSettings = new JsonSerializerSettings
{
ContractResolver = new CamelCasePropertyNamesContractResolver()
};
private readonly HttpClient _httpClient = new HttpClient();
private readonly ITokenService _tokenService;
private readonly IPlatformUtilsService _platformUtilsService;
private readonly Func<Tuple<string, bool, bool>, Task> _logoutCallbackAsync;
public ApiService(
ITokenService tokenService,
IPlatformUtilsService platformUtilsService,
Func<Tuple<string, bool, bool>, Task> logoutCallbackAsync,
string customUserAgent = null)
{
_tokenService = tokenService;
_platformUtilsService = platformUtilsService;
_logoutCallbackAsync = logoutCallbackAsync;
var device = (int)_platformUtilsService.GetDevice();
_httpClient.DefaultRequestHeaders.Add("Device-Type", device.ToString());
_httpClient.DefaultRequestHeaders.Add("Bitwarden-Client-Name", _platformUtilsService.GetClientType().GetString());
_httpClient.DefaultRequestHeaders.Add("Bitwarden-Client-Version", _platformUtilsService.GetApplicationVersion());
if (!string.IsNullOrWhiteSpace(customUserAgent))
{
_httpClient.DefaultRequestHeaders.UserAgent.ParseAdd(customUserAgent);
}
}
public bool UrlsSet { get; private set; }
public string ApiBaseUrl { get; set; }
public string IdentityBaseUrl { get; set; }
public string EventsBaseUrl { get; set; }
public void SetUrls(EnvironmentUrls urls)
{
UrlsSet = true;
if (!string.IsNullOrWhiteSpace(urls.Base))
{
ApiBaseUrl = urls.Base + "/api";
IdentityBaseUrl = urls.Base + "/identity";
EventsBaseUrl = urls.Base + "/events";
return;
}
ApiBaseUrl = urls.Api;
IdentityBaseUrl = urls.Identity;
EventsBaseUrl = urls.Events;
// Production
if (string.IsNullOrWhiteSpace(ApiBaseUrl))
{
ApiBaseUrl = "https://api.bitwarden.com";
}
if (string.IsNullOrWhiteSpace(IdentityBaseUrl))
{
IdentityBaseUrl = "https://identity.bitwarden.com";
}
if (string.IsNullOrWhiteSpace(EventsBaseUrl))
{
EventsBaseUrl = "https://events.bitwarden.com";
}
}
#region Auth APIs
public async Task<IdentityResponse> PostIdentityTokenAsync(TokenRequest request)
{
var requestMessage = new HttpRequestMessage
{
Version = new Version(1, 0),
RequestUri = new Uri(string.Concat(IdentityBaseUrl, "/connect/token")),
Method = HttpMethod.Post,
Content = new FormUrlEncodedContent(request.ToIdentityToken(_platformUtilsService.GetClientType().GetString()))
};
requestMessage.Headers.Add("Accept", "application/json");
request.AlterIdentityTokenHeaders(requestMessage.Headers);
HttpResponseMessage response;
try
{
response = await _httpClient.SendAsync(requestMessage);
}
catch (Exception e)
{
throw new ApiException(HandleWebError(e));
}
JObject responseJObject = null;
if (IsJsonResponse(response))
{
var responseJsonString = await response.Content.ReadAsStringAsync();
responseJObject = JObject.Parse(responseJsonString);
}
var identityResponse = new IdentityResponse(response.StatusCode, responseJObject);
if (identityResponse.FailedToParse)
{
throw new ApiException(new ErrorResponse(responseJObject, response.StatusCode, true));
}
return identityResponse;
}
public async Task RefreshIdentityTokenAsync()
{
try
{
await DoRefreshTokenAsync();
}
catch
{
throw new ApiException();
}
}
#endregion
#region Account APIs
public Task<ProfileResponse> GetProfileAsync()
{
return SendAsync<object, ProfileResponse>(HttpMethod.Get, "/accounts/profile", null, true, true);
}
public Task<PreloginResponse> PostPreloginAsync(PreloginRequest request)
{
return SendAsync<PreloginRequest, PreloginResponse>(HttpMethod.Post, "/accounts/prelogin",
request, false, true);
}
public Task<long> GetAccountRevisionDateAsync()
{
return SendAsync<object, long>(HttpMethod.Get, "/accounts/revision-date", null, true, true);
}
public Task PostPasswordHintAsync(PasswordHintRequest request)
{
return SendAsync<PasswordHintRequest, object>(HttpMethod.Post, "/accounts/password-hint",
request, false, false);
}
public Task SetPasswordAsync(SetPasswordRequest request)
{
return SendAsync<SetPasswordRequest, object>(HttpMethod.Post, "/accounts/set-password", request, true,
false);
}
public Task PostRegisterAsync(RegisterRequest request)
{
return SendAsync<RegisterRequest, object>(HttpMethod.Post, "/accounts/register", request, false, false);
}
public Task PostAccountKeysAsync(KeysRequest request)
{
return SendAsync<KeysRequest, object>(HttpMethod.Post, "/accounts/keys", request, true, false);
}
public Task PostAccountVerifyPasswordAsync(PasswordVerificationRequest request)
{
return SendAsync<PasswordVerificationRequest, object>(HttpMethod.Post, "/accounts/verify-password", request,
true, false);
}
public Task PostAccountRequestOTP()
{
return SendAsync<object, object>(HttpMethod.Post, "/accounts/request-otp", null, true, false, false);
}
public Task PostAccountVerifyOTPAsync(VerifyOTPRequest request)
{
return SendAsync<VerifyOTPRequest, object>(HttpMethod.Post, "/accounts/verify-otp", request,
true, false, false);
}
public Task PutUpdateTempPasswordAsync(UpdateTempPasswordRequest request)
{
return SendAsync<UpdateTempPasswordRequest, object>(HttpMethod.Put, "/accounts/update-temp-password",
request, true, false);
}
public Task DeleteAccountAsync(DeleteAccountRequest request)
{
return SendAsync<DeleteAccountRequest, object>(HttpMethod.Delete, "/accounts", request, true, false);
}
public Task PostConvertToKeyConnector()
{
return SendAsync<object, object>(HttpMethod.Post, "/accounts/convert-to-key-connector", null, true, false);
}
public Task PostSetKeyConnectorKey(SetKeyConnectorKeyRequest request)
{
return SendAsync<SetKeyConnectorKeyRequest>(HttpMethod.Post, "/accounts/set-key-connector-key", request, true);
}
#endregion
#region Folder APIs
public Task<FolderResponse> GetFolderAsync(string id)
{
return SendAsync<object, FolderResponse>(HttpMethod.Get, string.Concat("/folders/", id),
null, true, true);
}
public Task<FolderResponse> PostFolderAsync(FolderRequest request)
{
return SendAsync<FolderRequest, FolderResponse>(HttpMethod.Post, "/folders", request, true, true);
}
public async Task<FolderResponse> PutFolderAsync(string id, FolderRequest request)
{
return await SendAsync<FolderRequest, FolderResponse>(HttpMethod.Put, string.Concat("/folders/", id),
request, true, true);
}
public Task DeleteFolderAsync(string id)
{
return SendAsync<object, object>(HttpMethod.Delete, string.Concat("/folders/", id), null, true, false);
}
#endregion
#region Send APIs
public Task<SendResponse> GetSendAsync(string id) =>
SendAsync<object, SendResponse>(HttpMethod.Get, $"/sends/{id}", null, true, true);
public Task<SendResponse> PostSendAsync(SendRequest request) =>
SendAsync<SendRequest, SendResponse>(HttpMethod.Post, "/sends", request, true, true);
public Task<SendFileUploadDataResponse> PostFileTypeSendAsync(SendRequest request) =>
SendAsync<SendRequest, SendFileUploadDataResponse>(HttpMethod.Post, "/sends/file/v2", request, true, true);
public Task PostSendFileAsync(string sendId, string fileId, MultipartFormDataContent data) =>
SendAsync<MultipartFormDataContent, object>(HttpMethod.Post, $"/sends/{sendId}/file/{fileId}", data, true, false);
[Obsolete("Mar 25 2021: This method has been deprecated in favor of direct uploads. This method still exists for backward compatibility with old server versions.")]
public Task<SendResponse> PostSendFileAsync(MultipartFormDataContent data) =>
SendAsync<MultipartFormDataContent, SendResponse>(HttpMethod.Post, "/sends/file", data, true, true);
public Task<SendFileUploadDataResponse> RenewFileUploadUrlAsync(string sendId, string fileId) =>
SendAsync<object, SendFileUploadDataResponse>(HttpMethod.Get, $"/sends/{sendId}/file/{fileId}", null, true, true);
public Task<SendResponse> PutSendAsync(string id, SendRequest request) =>
SendAsync<SendRequest, SendResponse>(HttpMethod.Put, $"/sends/{id}", request, true, true);
public Task<SendResponse> PutSendRemovePasswordAsync(string id) =>
SendAsync<object, SendResponse>(HttpMethod.Put, $"/sends/{id}/remove-password", null, true, true);
public Task DeleteSendAsync(string id) =>
SendAsync<object, object>(HttpMethod.Delete, $"/sends/{id}", null, true, false);
#endregion
#region Cipher APIs
public Task<CipherResponse> GetCipherAsync(string id)
{
return SendAsync<object, CipherResponse>(HttpMethod.Get, string.Concat("/ciphers/", id),
null, true, true);
}
public Task<CipherResponse> PostCipherAsync(CipherRequest request)
{
return SendAsync<CipherRequest, CipherResponse>(HttpMethod.Post, "/ciphers", request, true, true);
}
public Task<CipherResponse> PostCipherCreateAsync(CipherCreateRequest request)
{
return SendAsync<CipherCreateRequest, CipherResponse>(HttpMethod.Post, "/ciphers/create",
request, true, true);
}
public Task<CipherResponse> PutCipherAsync(string id, CipherRequest request)
{
return SendAsync<CipherRequest, CipherResponse>(HttpMethod.Put, string.Concat("/ciphers/", id),
request, true, true);
}
public Task<CipherResponse> PutShareCipherAsync(string id, CipherShareRequest request)
{
return SendAsync<CipherShareRequest, CipherResponse>(HttpMethod.Put,
string.Concat("/ciphers/", id, "/share"), request, true, true);
}
public Task PutCipherCollectionsAsync(string id, CipherCollectionsRequest request)
{
return SendAsync<CipherCollectionsRequest, object>(HttpMethod.Put,
string.Concat("/ciphers/", id, "/collections"), request, true, false);
}
public Task DeleteCipherAsync(string id)
{
return SendAsync<object, object>(HttpMethod.Delete, string.Concat("/ciphers/", id), null, true, false);
}
public Task PutDeleteCipherAsync(string id)
{
return SendAsync<object, object>(HttpMethod.Put, string.Concat("/ciphers/", id, "/delete"), null, true, false);
}
public Task<CipherResponse> PutRestoreCipherAsync(string id)
{
return SendAsync<object, CipherResponse>(HttpMethod.Put, string.Concat("/ciphers/", id, "/restore"), null, true, true);
}
#endregion
#region Attachments APIs
[Obsolete("Mar 25 2021: This method has been deprecated in favor of direct uploads. This method still exists for backward compatibility with old server versions.")]
public Task<CipherResponse> PostCipherAttachmentLegacyAsync(string id, MultipartFormDataContent data)
{
return SendAsync<MultipartFormDataContent, CipherResponse>(HttpMethod.Post,
string.Concat("/ciphers/", id, "/attachment"), data, true, true);
}
public Task<AttachmentUploadDataResponse> PostCipherAttachmentAsync(string id, AttachmentRequest request)
{
return SendAsync<AttachmentRequest, AttachmentUploadDataResponse>(HttpMethod.Post,
$"/ciphers/{id}/attachment/v2", request, true, true);
}
public Task<AttachmentResponse> GetAttachmentData(string cipherId, string attachmentId) =>
SendAsync<AttachmentResponse>(HttpMethod.Get, $"/ciphers/{cipherId}/attachment/{attachmentId}", true);
public Task DeleteCipherAttachmentAsync(string id, string attachmentId)
{
return SendAsync(HttpMethod.Delete,
string.Concat("/ciphers/", id, "/attachment/", attachmentId), true);
}
public Task PostShareCipherAttachmentAsync(string id, string attachmentId, MultipartFormDataContent data,
string organizationId)
{
return SendAsync<MultipartFormDataContent, object>(HttpMethod.Post,
string.Concat("/ciphers/", id, "/attachment/", attachmentId, "/share?organizationId=", organizationId),
data, true, false);
}
public Task<AttachmentUploadDataResponse> RenewAttachmentUploadUrlAsync(string cipherId, string attachmentId) =>
SendAsync<AttachmentUploadDataResponse>(HttpMethod.Get, $"/ciphers/{cipherId}/attachment/{attachmentId}/renew", true);
public Task PostAttachmentFileAsync(string cipherId, string attachmentId, MultipartFormDataContent data) =>
SendAsync(HttpMethod.Post,
$"/ciphers/{cipherId}/attachment/{attachmentId}", data, true);
#endregion
#region Sync APIs
public Task<SyncResponse> GetSyncAsync()
{
return SendAsync<object, SyncResponse>(HttpMethod.Get, "/sync", null, true, true);
}
#endregion
#region Two Factor APIs
public Task PostTwoFactorEmailAsync(TwoFactorEmailRequest request)
{
return SendAsync<TwoFactorEmailRequest, object>(
HttpMethod.Post, "/two-factor/send-email-login", request, false, false);
}
#endregion
#region Device APIs
public Task PutDeviceTokenAsync(string identifier, DeviceTokenRequest request)
{
return SendAsync<DeviceTokenRequest, object>(
HttpMethod.Put, $"/devices/identifier/{identifier}/token", request, true, false);
}
#endregion
#region Event APIs
public async Task PostEventsCollectAsync(IEnumerable<EventRequest> request)
{
using (var requestMessage = new HttpRequestMessage())
{
requestMessage.Version = new Version(1, 0);
requestMessage.Method = HttpMethod.Post;
requestMessage.RequestUri = new Uri(string.Concat(EventsBaseUrl, "/collect"));
var authHeader = await GetActiveBearerTokenAsync();
requestMessage.Headers.Add("Authorization", string.Concat("Bearer ", authHeader));
requestMessage.Content = new StringContent(JsonConvert.SerializeObject(request, _jsonSettings),
Encoding.UTF8, "application/json");
HttpResponseMessage response;
try
{
response = await _httpClient.SendAsync(requestMessage);
}
catch (Exception e)
{
throw new ApiException(HandleWebError(e));
}
if (!response.IsSuccessStatusCode)
{
var error = await HandleErrorAsync(response, false, false);
throw new ApiException(error);
}
}
}
#endregion
#region HIBP APIs
public Task<List<BreachAccountResponse>> GetHibpBreachAsync(string username)
{
return SendAsync<object, List<BreachAccountResponse>>(HttpMethod.Get,
string.Concat("/hibp/breach?username=", username), null, true, true);
}
#endregion
#region Organizations APIs
public Task<OrganizationKeysResponse> GetOrganizationKeysAsync(string id)
{
return SendAsync<object, OrganizationKeysResponse>(HttpMethod.Get, $"/organizations/{id}/keys", null, true, true);
}
public Task<OrganizationAutoEnrollStatusResponse> GetOrganizationAutoEnrollStatusAsync(string identifier)
{
return SendAsync<object, OrganizationAutoEnrollStatusResponse>(HttpMethod.Get,
$"/organizations/{identifier}/auto-enroll-status", null, true, true);
}
public Task PostLeaveOrganization(string id)
{
return SendAsync<object, object>(HttpMethod.Post, $"/organizations/{id}/leave", null, true, false);
}
#endregion
#region Organization User APIs
public Task PutOrganizationUserResetPasswordEnrollmentAsync(string orgId, string userId,
OrganizationUserResetPasswordEnrollmentRequest request)
{
return SendAsync<OrganizationUserResetPasswordEnrollmentRequest, object>(HttpMethod.Put,
$"/organizations/{orgId}/users/{userId}/reset-password-enrollment", request, true, false);
}
#endregion
#region Key Connector
public async Task<KeyConnectorUserKeyResponse> GetUserKeyFromKeyConnector(string keyConnectorUrl)
{
using (var requestMessage = new HttpRequestMessage())
{
var authHeader = await GetActiveBearerTokenAsync();
requestMessage.Version = new Version(1, 0);
requestMessage.Method = HttpMethod.Get;
requestMessage.RequestUri = new Uri(string.Concat(keyConnectorUrl, "/user-keys"));
requestMessage.Headers.Add("Authorization", string.Concat("Bearer ", authHeader));
HttpResponseMessage response;
try
{
response = await _httpClient.SendAsync(requestMessage);
}
catch (Exception e)
{
throw new ApiException(HandleWebError(e));
}
if (!response.IsSuccessStatusCode)
{
var error = await HandleErrorAsync(response, false, true);
throw new ApiException(error);
}
var responseJsonString = await response.Content.ReadAsStringAsync();
return JsonConvert.DeserializeObject<KeyConnectorUserKeyResponse>(responseJsonString);
}
}
public async Task PostUserKeyToKeyConnector(string keyConnectorUrl, KeyConnectorUserKeyRequest request)
{
using (var requestMessage = new HttpRequestMessage())
{
var authHeader = await GetActiveBearerTokenAsync();
requestMessage.Version = new Version(1, 0);
requestMessage.Method = HttpMethod.Post;
requestMessage.RequestUri = new Uri(string.Concat(keyConnectorUrl, "/user-keys"));
requestMessage.Headers.Add("Authorization", string.Concat("Bearer ", authHeader));
requestMessage.Content = new StringContent(JsonConvert.SerializeObject(request, _jsonSettings),
Encoding.UTF8, "application/json");
HttpResponseMessage response;
try
{
response = await _httpClient.SendAsync(requestMessage);
}
catch (Exception e)
{
throw new ApiException(HandleWebError(e));
}
if (!response.IsSuccessStatusCode)
{
var error = await HandleErrorAsync(response, false, true);
throw new ApiException(error);
}
}
}
#endregion
#region PasswordlessLogin
public async Task<List<PasswordlessLoginResponse>> GetAuthRequestAsync()
{
var response = await SendAsync<object, PasswordlessLoginsResponse>(HttpMethod.Get, $"/auth-requests/", null, true, true);
return response.Data;
}
public Task<PasswordlessLoginResponse> GetAuthRequestAsync(string id)
{
return SendAsync<object, PasswordlessLoginResponse>(HttpMethod.Get, $"/auth-requests/{id}", null, true, true);
}
public Task<PasswordlessLoginResponse> GetAuthResponseAsync(string id, string accessCode)
{
return SendAsync<object, PasswordlessLoginResponse>(HttpMethod.Get, $"/auth-requests/{id}/response?code={accessCode}", null, false, true);
}
public Task<PasswordlessLoginResponse> PostCreateRequestAsync(PasswordlessCreateLoginRequest passwordlessCreateLoginRequest)
{
return SendAsync<object, PasswordlessLoginResponse>(HttpMethod.Post, $"/auth-requests", passwordlessCreateLoginRequest, false, true);
}
public Task<PasswordlessLoginResponse> PutAuthRequestAsync(string id, string encKey, string encMasterPasswordHash, string deviceIdentifier, bool requestApproved)
{
var request = new PasswordlessLoginRequest(encKey, encMasterPasswordHash, deviceIdentifier, requestApproved);
return SendAsync<object, PasswordlessLoginResponse>(HttpMethod.Put, $"/auth-requests/{id}", request, true, true);
}
public Task<bool> GetKnownDeviceAsync(string email, string deviceIdentifier)
{
return SendAsync<object, bool>(HttpMethod.Get, $"/devices/knowndevice/{email}/{deviceIdentifier}", null, false, true);
}
#endregion
#region Helpers
public async Task<string> GetActiveBearerTokenAsync()
{
var accessToken = await _tokenService.GetTokenAsync();
if (_tokenService.TokenNeedsRefresh())
{
var tokenResponse = await DoRefreshTokenAsync();
accessToken = tokenResponse.AccessToken;
}
return accessToken;
}
public async Task<SsoPrevalidateResponse> PreValidateSso(string identifier)
{
var path = "/account/prevalidate?domainHint=" + WebUtility.UrlEncode(identifier);
using (var requestMessage = new HttpRequestMessage())
{
requestMessage.Version = new Version(1, 0);
requestMessage.Method = HttpMethod.Get;
requestMessage.RequestUri = new Uri(string.Concat(IdentityBaseUrl, path));
requestMessage.Headers.Add("Accept", "application/json");
HttpResponseMessage response;
try
{
response = await _httpClient.SendAsync(requestMessage);
}
catch (Exception e)
{
throw new ApiException(HandleWebError(e));
}
if (!response.IsSuccessStatusCode)
{
var error = await HandleErrorAsync(response, false, true);
throw new ApiException(error);
}
var responseJsonString = await response.Content.ReadAsStringAsync();
return JsonConvert.DeserializeObject<SsoPrevalidateResponse>(responseJsonString);
}
}
public Task SendAsync(HttpMethod method, string path, bool authed) =>
SendAsync<object, object>(method, path, null, authed, false);
public Task SendAsync<TRequest>(HttpMethod method, string path, TRequest body, bool authed) =>
SendAsync<TRequest, object>(method, path, body, authed, false);
public Task<TResponse> SendAsync<TResponse>(HttpMethod method, string path, bool authed) =>
SendAsync<object, TResponse>(method, path, null, authed, true);
public async Task<TResponse> SendAsync<TRequest, TResponse>(HttpMethod method, string path, TRequest body,
bool authed, bool hasResponse, bool logoutOnUnauthorized = true)
{
using (var requestMessage = new HttpRequestMessage())
{
requestMessage.Version = new Version(1, 0);
requestMessage.Method = method;
if (!Uri.IsWellFormedUriString(ApiBaseUrl, UriKind.Absolute))
{
throw new ApiException(new ErrorResponse
{
StatusCode = HttpStatusCode.BadGateway,
//Note: This message is hardcoded until AppResources.resx gets moved into Core.csproj
Message = "One or more URLs saved in the Settings are incorrect. Please revise it and try to log in again."
});
}
requestMessage.RequestUri = new Uri(string.Concat(ApiBaseUrl, path));
if (body != null)
{
var bodyType = body.GetType();
if (bodyType == typeof(string))
{
requestMessage.Content = new StringContent((object)bodyType as string, Encoding.UTF8,
"application/x-www-form-urlencoded; charset=utf-8");
}
else if (bodyType == typeof(MultipartFormDataContent))
{
requestMessage.Content = body as MultipartFormDataContent;
}
else
{
requestMessage.Content = new StringContent(JsonConvert.SerializeObject(body, _jsonSettings),
Encoding.UTF8, "application/json");
}
}
if (authed)
{
var authHeader = await GetActiveBearerTokenAsync();
requestMessage.Headers.Add("Authorization", string.Concat("Bearer ", authHeader));
}
if (hasResponse)
{
requestMessage.Headers.Add("Accept", "application/json");
}
HttpResponseMessage response;
try
{
response = await _httpClient.SendAsync(requestMessage);
}
catch (Exception e)
{
throw new ApiException(HandleWebError(e));
}
if (hasResponse && response.IsSuccessStatusCode)
{
var responseJsonString = await response.Content.ReadAsStringAsync();
return JsonConvert.DeserializeObject<TResponse>(responseJsonString);
}
else if (!response.IsSuccessStatusCode)
{
var error = await HandleErrorAsync(response, false, authed, logoutOnUnauthorized);
throw new ApiException(error);
}
return (TResponse)(object)null;
}
}
public async Task<IdentityTokenResponse> DoRefreshTokenAsync()
{
var refreshToken = await _tokenService.GetRefreshTokenAsync();
if (string.IsNullOrWhiteSpace(refreshToken))
{
throw new ApiException();
}
var decodedToken = _tokenService.DecodeToken();
var requestMessage = new HttpRequestMessage
{
Version = new Version(1, 0),
RequestUri = new Uri(string.Concat(IdentityBaseUrl, "/connect/token")),
Method = HttpMethod.Post,
Content = new FormUrlEncodedContent(new Dictionary<string, string>
{
["grant_type"] = "refresh_token",
["client_id"] = decodedToken.GetValue("client_id")?.Value<string>(),
["refresh_token"] = refreshToken
})
};
requestMessage.Headers.Add("Accept", "application/json");
HttpResponseMessage response;
try
{
response = await _httpClient.SendAsync(requestMessage);
}
catch (Exception e)
{
throw new ApiException(HandleWebError(e));
}
if (response.IsSuccessStatusCode)
{
var responseJsonString = await response.Content.ReadAsStringAsync();
var tokenResponse = JsonConvert.DeserializeObject<IdentityTokenResponse>(responseJsonString);
await _tokenService.SetTokensAsync(tokenResponse.AccessToken, tokenResponse.RefreshToken);
return tokenResponse;
}
else
{
var error = await HandleErrorAsync(response, true, true);
throw new ApiException(error);
}
}
public async Task<string> GetUsernameFromAsync(ForwardedEmailServiceType service, UsernameGeneratorConfig config)
{
using (var requestMessage = new HttpRequestMessage())
{
requestMessage.Version = new Version(1, 0);
requestMessage.Method = HttpMethod.Post;
requestMessage.RequestUri = new Uri(config.Url);
requestMessage.Headers.Add("Accept", "application/json");
switch (service)
{
case ForwardedEmailServiceType.AnonAddy:
requestMessage.Headers.Add("Authorization", $"Bearer {config.ApiToken}");
requestMessage.Content = new FormUrlEncodedContent(new Dictionary<string, string>
{
["domain"] = config.Domain
});
break;
case ForwardedEmailServiceType.FirefoxRelay:
requestMessage.Headers.Add("Authorization", $"Token {config.ApiToken}");
break;
case ForwardedEmailServiceType.SimpleLogin:
requestMessage.Headers.Add("Authentication", config.ApiToken);
break;
case ForwardedEmailServiceType.DuckDuckGo:
requestMessage.Headers.Add("Authorization", $"Bearer {config.ApiToken}");
break;
case ForwardedEmailServiceType.Fastmail:
requestMessage.Headers.Add("Authorization", $"Bearer {config.ApiToken}");
requestMessage.Content = new StringContent(await CreateFastmailRequest(config.ApiToken),
Encoding.UTF8, "application/json");
break;
}
HttpResponseMessage response;
try
{
response = await _httpClient.SendAsync(requestMessage);
}
catch (Exception e)
{
throw new ApiException(HandleWebError(e));
}
if (!response.IsSuccessStatusCode)
{
throw new ApiException(new ErrorResponse
{
StatusCode = response.StatusCode,
Message = $"{service} error: {(int)response.StatusCode} {response.ReasonPhrase}."
});
}
var responseJsonString = await response.Content.ReadAsStringAsync();
var result = JObject.Parse(responseJsonString);
switch (service)
{
case ForwardedEmailServiceType.AnonAddy:
return result["data"]?["email"]?.ToString();
case ForwardedEmailServiceType.FirefoxRelay:
return result["full_address"]?.ToString();
case ForwardedEmailServiceType.SimpleLogin:
return result["alias"]?.ToString();
case ForwardedEmailServiceType.DuckDuckGo:
return $"{result["address"]?.ToString()}@duck.com";
case ForwardedEmailServiceType.Fastmail:
return HandleFastMailResponse(result);
default:
return string.Empty;
}
}
}
private string HandleFastMailResponse(JObject result)
{
if (result["methodResponses"] == null || !result["methodResponses"].HasValues ||
!result["methodResponses"][0].HasValues)
{
throw new Exception("Fastmail error: could not parse response.");
}
if (result["methodResponses"][0][0].ToString() == "MaskedEmail/set")
{
if (result["methodResponses"][0][1]?["created"]?["new-masked-email"] != null)
{
return result["methodResponses"][0][1]?["created"]?["new-masked-email"]?["email"].ToString();
}
if (result["methodResponses"][0][1]?["notCreated"]?["new-masked-email"] != null)
{
throw new Exception("Fastmail error: " +
result["methodResponses"][0][1]?["created"]?["new-masked-email"]?["description"].ToString());
}
}
else if (result["methodResponses"][0][0].ToString() == "error")
{
throw new Exception("Fastmail error: " + result["methodResponses"][0][1]?["description"].ToString());
}
throw new Exception("Fastmail error: could not parse response.");
}
private async Task<string> CreateFastmailRequest(string apiKey)
{
using (var httpclient = new HttpClient())
{
HttpResponseMessage response;
try
{
httpclient.DefaultRequestHeaders.Add("Authorization", $"Bearer {apiKey}");
httpclient.DefaultRequestHeaders.Add("Accept", "application/json");
response = await httpclient.GetAsync(new Uri("https://api.fastmail.com/jmap/session"));
}
catch (Exception e)
{
throw new ApiException(HandleWebError(e));
}
if (!response.IsSuccessStatusCode)
{
throw new ApiException(new ErrorResponse
{
StatusCode = response.StatusCode,
Message = $"Fastmail error: {(int)response.StatusCode} {response.ReasonPhrase}."
});
}
var result = JObject.Parse(await response.Content.ReadAsStringAsync());
var accountId = result["primaryAccounts"]?["https://www.fastmail.com/dev/maskedemail"]?.ToString();
var requestJObj = new JObject
{
new JProperty("using",
new JArray { "https://www.fastmail.com/dev/maskedemail", "urn:ietf:params:jmap:core" }),
new JProperty("methodCalls",
new JArray
{
new JArray
{
"MaskedEmail/set",
new JObject
{
["accountId"] = accountId,
["create"] = new JObject
{
["new-masked-email"] = new JObject
{
["state"] = "enabled",
["description"] = "",
["url"] = "",
["emailPrefix"] = ""
}
}
},
"0"
}
})
};
return requestJObj.ToString();
}
}
private ErrorResponse HandleWebError(Exception e)
{
return new ErrorResponse
{
StatusCode = HttpStatusCode.BadGateway,
Message = "Exception message: " + e.Message
};
}
private async Task<ErrorResponse> HandleErrorAsync(HttpResponseMessage response, bool tokenError,
bool authed, bool logoutOnUnauthorized = true)
{
if (authed
&&
(
(logoutOnUnauthorized && response.StatusCode == HttpStatusCode.Unauthorized)
||
response.StatusCode == HttpStatusCode.Forbidden
))
{
await _logoutCallbackAsync(new Tuple<string, bool, bool>(null, false, true));
return null;
}
try
{
JObject responseJObject = null;
if (IsJsonResponse(response))
{
var responseJsonString = await response.Content.ReadAsStringAsync();
responseJObject = JObject.Parse(responseJsonString);
}
if (authed && tokenError
&&
response.StatusCode == HttpStatusCode.BadRequest
&&
responseJObject?["error"]?.ToString() == "invalid_grant")
{
await _logoutCallbackAsync(new Tuple<string, bool, bool>(null, false, true));
return null;
}
return new ErrorResponse(responseJObject, response.StatusCode, tokenError);
}
catch
{
return null;
}
}
private bool IsJsonResponse(HttpResponseMessage response)
{
return (response.Content?.Headers?.ContentType?.MediaType ?? string.Empty) == "application/json";
}
#endregion
}
}