public Task Invoke(IDictionary<string, object> env)
{
var request = new Gate.Request(env);
string userToken;
string userId;
if (request.Cookies.TryGetValue(Constants.UserTokenCookie, out userToken) &&
_authenticationTokenService.TryGetUserId(userToken, out userId))
{
env["server.User"] = new GenericPrincipal(new GenericIdentity(userId), new string[0]);
}
return _next(env);
}
public Task Invoke(IDictionary <string, object> env)
{
var request = new Gate.Request(env);
string userToken;
string userId;
if (request.Cookies.TryGetValue(Constants.UserTokenCookie, out userToken) &&
_authenticationTokenService.TryGetUserId(userToken, out userId))
{
env["server.User"] = new GenericPrincipal(new GenericIdentity(userId), new string[0]);
}
return(_next(env));
}
public async Task Invoke(IDictionary <string, object> env)
{
var httpRequest = new Gate.Request(env);
var httpResponse = new OwinResponse(env);
string url;
Uri uri;
if (!httpRequest.Query.TryGetValue("url", out url) ||
String.IsNullOrEmpty(url) ||
!Uri.TryCreate(url, UriKind.Absolute, out uri) ||
!ImageContentProvider.IsValidImagePath(uri) ||
!IsAuthenticated(env))
{
httpResponse.StatusCode = 404;
return;
}
try
{
var request = (HttpWebRequest)WebRequest.Create(url);
request.CachePolicy = new RequestCachePolicy(RequestCacheLevel.Default);
var response = (HttpWebResponse)await request.GetResponseAsync();
if (!ImageContentProvider.IsValidContentType(response.ContentType) &&
response.ContentLength > _settings.ProxyImageMaxSizeBytes)
{
httpResponse.StatusCode = 404;
return;
}
httpResponse.SetHeader("Content-Type", response.ContentType);
httpResponse.StatusCode = (int)response.StatusCode;
using (response)
{
using (Stream stream = response.GetResponseStream())
{
await stream.CopyToAsync(httpResponse.Body);
}
}
}
catch
{
httpResponse.StatusCode = 404;
}
}
public async Task Invoke(IDictionary<string, object> env)
{
var httpRequest = new Gate.Request(env);
var httpResponse = new OwinResponse(env);
string url;
Uri uri;
if (!httpRequest.Query.TryGetValue("url", out url) ||
String.IsNullOrEmpty(url) ||
!Uri.TryCreate(url, UriKind.Absolute, out uri) ||
!ImageContentProvider.IsValidImagePath(uri) ||
!IsAuthenticated(env))
{
httpResponse.StatusCode = 404;
return;
}
try
{
var request = (HttpWebRequest)WebRequest.Create(url);
request.CachePolicy = new RequestCachePolicy(RequestCacheLevel.Default);
var response = (HttpWebResponse)await request.GetResponseAsync();
if (!ImageContentProvider.IsValidContentType(response.ContentType) &&
response.ContentLength > _settings.ProxyImageMaxSizeBytes)
{
httpResponse.StatusCode = 404;
return;
}
httpResponse.SetHeader("Content-Type", response.ContentType);
httpResponse.StatusCode = (int)response.StatusCode;
using (response)
{
using (Stream stream = response.GetResponseStream())
{
await stream.CopyToAsync(httpResponse.Body);
}
}
}
catch
{
httpResponse.StatusCode = 404;
}
}
public Task Invoke(IDictionary<string, object> env)
{
var request = new Gate.Request(env);
var authenticationService = _kernel.Get<IAuthenticationService>();
try
{
string userToken;
string userId;
if (request.Cookies.TryGetValue(Constants.UserTokenCookie, out userToken) &&
authenticationService.TryGetUserId(userToken, out userId))
{
env["server.User"] = new GenericPrincipal(new GenericIdentity(userId), new string[0]);
}
}
finally
{
authenticationService.Dispose();
}
return _next(env);
}
public Task Invoke(IDictionary <string, object> env)
{
var request = new Gate.Request(env);
var authenticationService = _kernel.Get <IAuthenticationService>();
try
{
string userToken;
string userId;
if (request.Cookies.TryGetValue(Constants.UserTokenCookie, out userToken) &&
authenticationService.TryGetUserId(userToken, out userId))
{
env["server.User"] = new GenericPrincipal(new GenericIdentity(userId), new string[0]);
}
}
finally
{
authenticationService.Dispose();
}
return(_next(env));
}
