/// <summary>
/// Expands versions from one endpoint to more ReRoute options.
/// </summary>
/// <param name="reRoutes">The re routes.</param>
/// <param name="endPoint">The end point.</param>
public static IEnumerable <ReRouteOptions> ExpandConfig(
this IEnumerable <ReRouteOptions> reRoutes,
SwaggerEndPointOptions endPoint)
{
var reRouteOptions = reRoutes.Where(p => p.SwaggerKey == endPoint.Key).ToList();
if (string.IsNullOrWhiteSpace(endPoint.VersionPlaceholder))
{
return(reRouteOptions);
}
var versionReRouteOptions = reRouteOptions.Where(x =>
x.DownstreamPathTemplate.Contains(endPoint.VersionPlaceholder) ||
x.UpstreamPathTemplate.Contains(endPoint.VersionPlaceholder)).ToList();
versionReRouteOptions.ForEach(o => reRouteOptions.Remove(o));
foreach (ReRouteOptions reRouteOption in versionReRouteOptions)
{
IEnumerable <ReRouteOptions> versionMappedReRouteOptions = endPoint.Config.Select(c => new ReRouteOptions()
{
SwaggerKey = reRouteOption.SwaggerKey,
DownstreamPathTemplate =
reRouteOption.DownstreamPathTemplate.Replace(endPoint.VersionPlaceholder,
c.Version),
UpstreamHttpMethod = reRouteOption.UpstreamHttpMethod,
UpstreamPathTemplate =
reRouteOption.UpstreamPathTemplate.Replace(endPoint.VersionPlaceholder,
c.Version),
VirtualDirectory = reRouteOption.VirtualDirectory
});
reRouteOptions.AddRange(versionMappedReRouteOptions);
}
return(reRouteOptions);
}
/// <summary>
/// Get Url and Endpoint from path
/// </summary>
/// <param name="path"></param>
/// <returns>
/// The Url of a specific version and <see cref="SwaggerEndPointOptions"/>.
/// </returns>
private (string Url, SwaggerEndPointOptions EndPoint) GetEndPoint(string path)
{
(string Version, string Key)endPointInfo = GetEndPointInfo(path);
SwaggerEndPointOptions endPoint = _swaggerEndPoints.Value[$"/{endPointInfo.Key}"];
string url = endPoint.Config.FirstOrDefault(x => x.Version == endPointInfo.Version)?.Url;
return(url, endPoint);
}
private (string version, SwaggerEndPointOptions endpoint) GetEndPoint(
string path,
ISwaggerEndPointProvider swaggerEndPointRepository)
{
(string Version, string Key)endPointInfo = GetEndPointInfo(path);
SwaggerEndPointOptions endPoint = swaggerEndPointRepository.GetByKey(endPointInfo.Key);
return(endPointInfo.Version, endPoint);
}
private JObject GetServiceDocs(RouteOptions route)
=> _memoryCache.GetOrCreate(route.SwaggerKey, (e) =>
{
SwaggerEndPointOptions endpoint = _swaggerEndPointRepository.GetByKey(route.SwaggerKey);
string docs = _downstreamSwaggerDocs.GetSwaggerJsonAsync(route, endpoint).Result;
e.SetSlidingExpiration(TimeSpan.FromMinutes(5));
return(JObject.Parse(docs));
});
public ManageSwaggerEndpointData GetSwaggerEndpoint(SwaggerEndPointOptions endPoint, string version)
{
var lookupKey = $"{endPoint.Key}_{version}";
var endpointData = new ManageSwaggerEndpointData();
if (_endpointDatas.ContainsKey(lookupKey))
{
endpointData = _endpointDatas[lookupKey];
}
return(endpointData);
}
/// <summary>
/// Get Url and Endpoint from path
/// </summary>
/// <param name="path"></param>
/// <returns>
/// The Url of a specific version and <see cref="SwaggerEndPointOptions"/>.
/// </returns>
private async Task <(string Url, SwaggerEndPointOptions EndPoint)> GetEndPoint(
string path,
ISwaggerServiceDiscoveryProvider discoveryProvider)
{
(string Version, string Key)endPointInfo = GetEndPointInfo(path);
SwaggerEndPointOptions endPoint = _swaggerEndPoints.Value[$"/{endPointInfo.Key}"];
SwaggerEndPointConfig config = endPoint.Config.FirstOrDefault(x => x.Version == endPointInfo.Version);
string url = (await discoveryProvider
.GetSwaggerUriAsync(config, _routes.Value.FirstOrDefault(p => p.SwaggerKey == endPoint.Key)))
.AbsoluteUri;
return(url, endPoint);
}
private async Task <string> GetUrlAsync(
RouteOptions route,
SwaggerEndPointOptions endPoint,
string docsVersion)
{
SwaggerEndPointConfig config =
string.IsNullOrEmpty(docsVersion)
? endPoint.Config.FirstOrDefault()
: endPoint.Config.FirstOrDefault(x => x.Version == docsVersion);
return((await _serviceDiscoveryProvider
.GetSwaggerUriAsync(config, route))
.AbsoluteUri);
}
/// <inheritdoc />
public async Task <string> GetSwaggerJsonAsync(
RouteOptions route,
SwaggerEndPointOptions endPoint,
string docsVersion = null)
{
string url = await GetUrlAsync(route, endPoint, docsVersion);
HttpClient httpClient = _httpClientFactory.CreateClient();
SetHttpVersion(httpClient, route);
AddHeaders(httpClient);
return(await httpClient.GetStringAsync(url));
}
private string GetServerName(HttpContext context, SwaggerEndPointOptions endPoint)
{
string serverName;
if (string.IsNullOrWhiteSpace(_options.ServerOcelot))
{
serverName = endPoint.HostOverride
?? $"{context.Request.Scheme}://{context.Request.Host.Value.RemoveSlashFromEnd()}";
}
else
{
serverName = _options.ServerOcelot;
}
return(serverName);
}
public bool DoDownstreamSwaggerEndpoint(HttpContext httpContext, string version, SwaggerEndPointOptions endPoint)
{
var myEndpointConfiguration = _endpointConfigurationRepository.GetSwaggerEndpoint(endPoint, version);
if (!myEndpointConfiguration.IsPublished)
{
httpContext.Response.StatusCode = 404;
httpContext.Response.WriteAsync("This enpoint is under development, please come back later.");
}
return(myEndpointConfiguration.IsPublished);
}
