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using System.Collections.Generic;
using MediaBrowser.Controller.Library;
using MediaBrowser.Model.Connectivity;
using MediaBrowser.Model.Logging;
using MediaBrowser.Server.Implementations.HttpServer;
using ServiceStack.Common.Web;
using ServiceStack.ServiceHost;
using System;
namespace MediaBrowser.Api
{
/// <summary>
/// Class BaseApiService
/// </summary>
[RequestFilter]
public class BaseApiService : BaseRestService
{
}
/// <summary>
/// Class RequestFilterAttribute
/// </summary>
public class RequestFilterAttribute : Attribute, IHasRequestFilter
{
//This property will be resolved by the IoC container
/// <summary>
/// Gets or sets the user manager.
/// </summary>
/// <value>The user manager.</value>
public IUserManager UserManager { get; set; }
/// <summary>
/// Gets or sets the logger.
/// </summary>
/// <value>The logger.</value>
public ILogger Logger { get; set; }
/// <summary>
/// The request filter is executed before the service.
/// </summary>
/// <param name="request">The http request wrapper</param>
/// <param name="response">The http response wrapper</param>
/// <param name="requestDto">The request DTO</param>
public void RequestFilter(IHttpRequest request, IHttpResponse response, object requestDto)
{
//This code is executed before the service
var auth = GetAuthorization(request);
if (auth != null && auth.ContainsKey("UserId"))
{
var user = UserManager.GetUserById(new Guid(auth["UserId"]));
UserManager.LogUserActivity(user, auth["Client"], auth["DeviceId"], auth["Device"] ?? string.Empty);
}
}
/// <summary>
/// Gets the auth.
/// </summary>
/// <param name="httpReq">The HTTP req.</param>
/// <returns>Dictionary{System.StringSystem.String}.</returns>
public static Dictionary<string, string> GetAuthorization(IHttpRequest httpReq)
{
var auth = httpReq.Headers[HttpHeaders.Authorization];
return GetAuthorization(auth);
}
/// <summary>
/// Gets the authorization.
/// </summary>
/// <param name="httpReq">The HTTP req.</param>
/// <returns>Dictionary{System.StringSystem.String}.</returns>
public static Dictionary<string, string> GetAuthorization(IRequestContext httpReq)
{
var auth = httpReq.GetHeader("Authorization");
return GetAuthorization(auth);
}
/// <summary>
/// Gets the authorization.
/// </summary>
/// <param name="authorizationHeader">The authorization header.</param>
/// <returns>Dictionary{System.StringSystem.String}.</returns>
private static Dictionary<string, string> GetAuthorization(string authorizationHeader)
{
if (authorizationHeader == null) return null;
var parts = authorizationHeader.Split(' ');
// There should be at least to parts
if (parts.Length < 2) return null;
// It has to be a digest request
if (!string.Equals(parts[0], "MediaBrowser", StringComparison.OrdinalIgnoreCase))
{
return null;
}
// Remove uptil the first space
authorizationHeader = authorizationHeader.Substring(authorizationHeader.IndexOf(' '));
parts = authorizationHeader.Split(',');
var result = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
foreach (var item in parts)
{
var param = item.Trim().Split(new[] { '=' }, 2);
result.Add(param[0], param[1].Trim(new[] { '"' }));
}
return result;
}
/// <summary>
/// A new shallow copy of this filter is used on every request.
/// </summary>
/// <returns>IHasRequestFilter.</returns>
public IHasRequestFilter Copy()
{
return this;
}
/// <summary>
/// Order in which Request Filters are executed.
/// <0 Executed before global request filters
/// >0 Executed after global request filters
/// </summary>
/// <value>The priority.</value>
public int Priority
{
get { return 0; }
}
}
}
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