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authorBrian J. Murrell <brian@interlinx.bc.ca>2021-11-29 17:53:26 -0500
committerBrian J. Murrell <brian@interlinx.bc.ca>2021-11-29 17:53:26 -0500
commit757970bfc17b0eb1566b45fbe700dcb16423b190 (patch)
tree63fbc171621f5ec7ae156f341d9b1df37643deac /Emby.Server.Implementations/HttpServer/Security/AuthorizationContext.cs
parenta3a4689af22693b535e80b98624831866fda2a61 (diff)
parentc677b4f6b7f7e874097aa2cee866d9ed1e574178 (diff)
Merge remote-tracking branch 'origin/master' into HEAD
Diffstat (limited to 'Emby.Server.Implementations/HttpServer/Security/AuthorizationContext.cs')
-rw-r--r--Emby.Server.Implementations/HttpServer/Security/AuthorizationContext.cs291
1 files changed, 0 insertions, 291 deletions
diff --git a/Emby.Server.Implementations/HttpServer/Security/AuthorizationContext.cs b/Emby.Server.Implementations/HttpServer/Security/AuthorizationContext.cs
deleted file mode 100644
index 024404ceb..000000000
--- a/Emby.Server.Implementations/HttpServer/Security/AuthorizationContext.cs
+++ /dev/null
@@ -1,291 +0,0 @@
-#pragma warning disable CS1591
-
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Net;
-using MediaBrowser.Controller.Library;
-using MediaBrowser.Controller.Net;
-using MediaBrowser.Controller.Security;
-using Microsoft.AspNetCore.Http;
-using Microsoft.Net.Http.Headers;
-
-namespace Emby.Server.Implementations.HttpServer.Security
-{
- public class AuthorizationContext : IAuthorizationContext
- {
- private readonly IAuthenticationRepository _authRepo;
- private readonly IUserManager _userManager;
-
- public AuthorizationContext(IAuthenticationRepository authRepo, IUserManager userManager)
- {
- _authRepo = authRepo;
- _userManager = userManager;
- }
-
- public AuthorizationInfo GetAuthorizationInfo(HttpContext requestContext)
- {
- if (requestContext.Request.HttpContext.Items.TryGetValue("AuthorizationInfo", out var cached))
- {
- return (AuthorizationInfo)cached;
- }
-
- return GetAuthorization(requestContext);
- }
-
- public AuthorizationInfo GetAuthorizationInfo(HttpRequest requestContext)
- {
- var auth = GetAuthorizationDictionary(requestContext);
- var authInfo = GetAuthorizationInfoFromDictionary(auth, requestContext.Headers, requestContext.Query);
- return authInfo;
- }
-
- /// <summary>
- /// Gets the authorization.
- /// </summary>
- /// <param name="httpReq">The HTTP req.</param>
- /// <returns>Dictionary{System.StringSystem.String}.</returns>
- private AuthorizationInfo GetAuthorization(HttpContext httpReq)
- {
- var auth = GetAuthorizationDictionary(httpReq);
- var authInfo = GetAuthorizationInfoFromDictionary(auth, httpReq.Request.Headers, httpReq.Request.Query);
-
- httpReq.Request.HttpContext.Items["AuthorizationInfo"] = authInfo;
- return authInfo;
- }
-
- private AuthorizationInfo GetAuthorizationInfoFromDictionary(
- in Dictionary<string, string> auth,
- in IHeaderDictionary headers,
- in IQueryCollection queryString)
- {
- string deviceId = null;
- string device = null;
- string client = null;
- string version = null;
- string token = null;
-
- if (auth != null)
- {
- auth.TryGetValue("DeviceId", out deviceId);
- auth.TryGetValue("Device", out device);
- auth.TryGetValue("Client", out client);
- auth.TryGetValue("Version", out version);
- auth.TryGetValue("Token", out token);
- }
-
- if (string.IsNullOrEmpty(token))
- {
- token = headers["X-Emby-Token"];
- }
-
- if (string.IsNullOrEmpty(token))
- {
- token = headers["X-MediaBrowser-Token"];
- }
-
- if (string.IsNullOrEmpty(token))
- {
- token = queryString["ApiKey"];
- }
-
- // TODO deprecate this query parameter.
- if (string.IsNullOrEmpty(token))
- {
- token = queryString["api_key"];
- }
-
- var authInfo = new AuthorizationInfo
- {
- Client = client,
- Device = device,
- DeviceId = deviceId,
- Version = version,
- Token = token,
- IsAuthenticated = false,
- HasToken = false
- };
-
- if (string.IsNullOrWhiteSpace(token))
- {
- // Request doesn't contain a token.
- return authInfo;
- }
-
- authInfo.HasToken = true;
- var result = _authRepo.Get(new AuthenticationInfoQuery
- {
- AccessToken = token
- });
-
- if (result.Items.Count > 0)
- {
- authInfo.IsAuthenticated = true;
- }
-
- var originalAuthenticationInfo = result.Items.Count > 0 ? result.Items[0] : null;
-
- if (originalAuthenticationInfo != null)
- {
- var updateToken = false;
-
- // TODO: Remove these checks for IsNullOrWhiteSpace
- if (string.IsNullOrWhiteSpace(authInfo.Client))
- {
- authInfo.Client = originalAuthenticationInfo.AppName;
- }
-
- if (string.IsNullOrWhiteSpace(authInfo.DeviceId))
- {
- authInfo.DeviceId = originalAuthenticationInfo.DeviceId;
- }
-
- // Temporary. TODO - allow clients to specify that the token has been shared with a casting device
- var allowTokenInfoUpdate = authInfo.Client == null || authInfo.Client.IndexOf("chromecast", StringComparison.OrdinalIgnoreCase) == -1;
-
- if (string.IsNullOrWhiteSpace(authInfo.Device))
- {
- authInfo.Device = originalAuthenticationInfo.DeviceName;
- }
- else if (!string.Equals(authInfo.Device, originalAuthenticationInfo.DeviceName, StringComparison.OrdinalIgnoreCase))
- {
- if (allowTokenInfoUpdate)
- {
- updateToken = true;
- originalAuthenticationInfo.DeviceName = authInfo.Device;
- }
- }
-
- if (string.IsNullOrWhiteSpace(authInfo.Version))
- {
- authInfo.Version = originalAuthenticationInfo.AppVersion;
- }
- else if (!string.Equals(authInfo.Version, originalAuthenticationInfo.AppVersion, StringComparison.OrdinalIgnoreCase))
- {
- if (allowTokenInfoUpdate)
- {
- updateToken = true;
- originalAuthenticationInfo.AppVersion = authInfo.Version;
- }
- }
-
- if ((DateTime.UtcNow - originalAuthenticationInfo.DateLastActivity).TotalMinutes > 3)
- {
- originalAuthenticationInfo.DateLastActivity = DateTime.UtcNow;
- updateToken = true;
- }
-
- if (!originalAuthenticationInfo.UserId.Equals(Guid.Empty))
- {
- authInfo.User = _userManager.GetUserById(originalAuthenticationInfo.UserId);
-
- if (authInfo.User != null && !string.Equals(authInfo.User.Username, originalAuthenticationInfo.UserName, StringComparison.OrdinalIgnoreCase))
- {
- originalAuthenticationInfo.UserName = authInfo.User.Username;
- updateToken = true;
- }
-
- authInfo.IsApiKey = false;
- }
- else
- {
- authInfo.IsApiKey = true;
- }
-
- if (updateToken)
- {
- _authRepo.Update(originalAuthenticationInfo);
- }
- }
-
- return authInfo;
- }
-
- /// <summary>
- /// Gets the auth.
- /// </summary>
- /// <param name="httpReq">The HTTP req.</param>
- /// <returns>Dictionary{System.StringSystem.String}.</returns>
- private Dictionary<string, string> GetAuthorizationDictionary(HttpContext httpReq)
- {
- var auth = httpReq.Request.Headers["X-Emby-Authorization"];
-
- if (string.IsNullOrEmpty(auth))
- {
- auth = httpReq.Request.Headers[HeaderNames.Authorization];
- }
-
- return GetAuthorization(auth);
- }
-
- /// <summary>
- /// Gets the auth.
- /// </summary>
- /// <param name="httpReq">The HTTP req.</param>
- /// <returns>Dictionary{System.StringSystem.String}.</returns>
- private Dictionary<string, string> GetAuthorizationDictionary(HttpRequest httpReq)
- {
- var auth = httpReq.Headers["X-Emby-Authorization"];
-
- if (string.IsNullOrEmpty(auth))
- {
- auth = httpReq.Headers[HeaderNames.Authorization];
- }
-
- return GetAuthorization(auth);
- }
-
- /// <summary>
- /// Gets the authorization.
- /// </summary>
- /// <param name="authorizationHeader">The authorization header.</param>
- /// <returns>Dictionary{System.StringSystem.String}.</returns>
- private Dictionary<string, string> GetAuthorization(string authorizationHeader)
- {
- if (authorizationHeader == null)
- {
- return null;
- }
-
- var parts = authorizationHeader.Split(' ', 2);
-
- // There should be at least to parts
- if (parts.Length != 2)
- {
- return null;
- }
-
- var acceptedNames = new[] { "MediaBrowser", "Emby" };
-
- // It has to be a digest request
- if (!acceptedNames.Contains(parts[0], StringComparer.OrdinalIgnoreCase))
- {
- return null;
- }
-
- // Remove uptil the first space
- authorizationHeader = parts[1];
- parts = authorizationHeader.Split(',');
-
- var result = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
-
- foreach (var item in parts)
- {
- var param = item.Trim().Split('=', 2);
-
- if (param.Length == 2)
- {
- var value = NormalizeValue(param[1].Trim('"'));
- result[param[0]] = value;
- }
- }
-
- return result;
- }
-
- private static string NormalizeValue(string value)
- {
- return string.IsNullOrEmpty(value) ? value : WebUtility.HtmlEncode(value);
- }
- }
-}