async Task <IActionResult> IAdapterAuthorize.HandleCallbackAsync(DeploymentScope deploymentScope, HttpRequest request, IAuthorizationEndpoints authorizationEndpoints)
{
if (deploymentScope is null)
{
throw new ArgumentNullException(nameof(deploymentScope));
}
if (request is null)
{
throw new ArgumentNullException(nameof(request));
}
if (authorizationEndpoints is null)
{
throw new ArgumentNullException(nameof(authorizationEndpoints));
}
var json = await request
.ReadJsonAsync()
.ConfigureAwait(false);
var appId = json
.SelectToken("installation.app_id")?
.ToString();
var token = await TokenClient
.GetAsync <GitHubToken>(deploymentScope)
.ConfigureAwait(false);
if (token?.ApplicationId?.Equals(appId, StringComparison.OrdinalIgnoreCase) ?? false)
{
var action = json
.SelectToken("action")?
.ToString();
switch (action)
{
case "created":
token.InstallationId = json
.SelectToken("installation.id")?
.ToString();
break;
case "deleted":
token = new GitHubToken(deploymentScope);
break;
case "suspend":
token.Suspended = true;
break;
case "unsuspend":
token.Suspended = false;
break;
default:
token = null;
break;
}
if (token is not null)
{
_ = await TokenClient
.SetAsync(token)
.ConfigureAwait(false);
return(new OkResult());
}
}
return(new NotFoundResult());
}
async Task <IActionResult> IAdapterAuthorize.HandleAuthorizeAsync(DeploymentScope deploymentScope, HttpRequest request, IAuthorizationEndpoints authorizationEndpoints)
{
if (deploymentScope is null)
{
throw new ArgumentNullException(nameof(deploymentScope));
}
if (request is null)
{
throw new ArgumentNullException(nameof(request));
}
if (authorizationEndpoints is null)
{
throw new ArgumentNullException(nameof(authorizationEndpoints));
}
var queryParams = Url.ParseQueryParams(request.QueryString.ToString());
var queryState = queryParams.GetValueOrDefault("state");
var queryCode = queryParams.GetValueOrDefault("code");
var queryError = queryParams.GetValueOrDefault("error");
var session = await SessionClient
.GetAsync <GitHubSession>(deploymentScope)
.ConfigureAwait(false);
session ??= await SessionClient
.SetAsync(new GitHubSession(deploymentScope))
.ConfigureAwait(false);
var data = string.IsNullOrWhiteSpace(deploymentScope.InputData)
? default
: TeamCloudSerialize.DeserializeObject <GitHubData>(deploymentScope.InputData);
var token = await TokenClient
.GetAsync <GitHubToken>(deploymentScope)
.ConfigureAwait(false);
if (string.IsNullOrEmpty(queryError) && Guid.TryParse(queryState, out var stateId))
{
if (!stateId.ToString().Equals(session.SessionId, StringComparison.OrdinalIgnoreCase))
{
return(new RedirectResult(authorizationEndpoints.AuthorizationUrl.SetQueryParam("error", "Session timed out.").ToString()));
}
else if (string.IsNullOrWhiteSpace(queryCode))
{
return(new RedirectResult(authorizationEndpoints.AuthorizationUrl.SetQueryParam("error", "Missing GitHub handshake information.").ToString()));
}
token ??= new GitHubToken(deploymentScope);
// Using Flurl as Octokit doesn't support this API yet
// https://github.com/octokit/octokit.net/issues/2138
var url = $"https://api.github.com/app-manifests/{queryCode}/conversions";
var response = await url
.WithHeader("User-Agent", GitHubConstants.ProductHeader.ToString())
.PostStringAsync(string.Empty)
.ConfigureAwait(false);
if (!response.IsSuccessStatusCode())
{
return(new RedirectResult(authorizationEndpoints.AuthorizationUrl.SetQueryParam("error", $"Failed to get application token ({response.StatusCode} - {response.ResponseMessage.ReasonPhrase}).").ToString()));
}
var json = await response
.GetStringAsync()
.ConfigureAwait(false);
TeamCloudSerialize.PopulateObject(json, token);
if (string.IsNullOrEmpty(token.OwnerLogin))
{
token.OwnerLogin = JToken.Parse(json)
.SelectToken("owner.login")
.ToString();
}
token = await TokenClient
.SetAsync(token, true)
.ConfigureAwait(false);
return(new ContentResult
{
StatusCode = (int)HttpStatusCode.OK,
ContentType = "text/html",
Content = Assembly.GetExecutingAssembly().GetManifestResourceTemplate($"{GetType().FullName}_Install.html", GetFormContext())
});
}
else
{
return(new ContentResult
{
StatusCode = (int)HttpStatusCode.OK,
ContentType = "text/html",
Content = Assembly.GetExecutingAssembly().GetManifestResourceTemplate($"{GetType().FullName}_Register.html", GetFormContext())
});
}
object GetFormContext() => new
{
deploymentScope = deploymentScope,
authorizationEndpoints = authorizationEndpoints,
token = token,
data = data,
session = session,
error = queryError ?? string.Empty,
succeeded = queryParams.Contains("succeeded")
};
}
