aboutsummaryrefslogtreecommitdiff
path: root/Jellyfin.Api/Helpers/RequestHelpers.cs
blob: 2cfd36d00e49f107f7ed1f2214a81bb2692fb669 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Jellyfin.Data.Entities;
using Jellyfin.Data.Enums;
using MediaBrowser.Common.Extensions;
using MediaBrowser.Controller.Dto;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Net;
using MediaBrowser.Controller.Session;
using MediaBrowser.Model.Dto;
using MediaBrowser.Model.Querying;
using Microsoft.AspNetCore.Http;

namespace Jellyfin.Api.Helpers
{
    /// <summary>
    /// Request Extensions.
    /// </summary>
    public static class RequestHelpers
    {
        /// <summary>
        /// Get Order By.
        /// </summary>
        /// <param name="sortBy">Sort By. Comma delimited string.</param>
        /// <param name="requestedSortOrder">Sort Order. Comma delimited string.</param>
        /// <returns>Order By.</returns>
        public static (string, SortOrder)[] GetOrderBy(IReadOnlyList<string> sortBy, IReadOnlyList<SortOrder> requestedSortOrder)
        {
            if (sortBy.Count == 0)
            {
                return Array.Empty<(string, SortOrder)>();
            }

            var result = new (string, SortOrder)[sortBy.Count];
            var i = 0;
            // Add elements which have a SortOrder specified
            for (; i < requestedSortOrder.Count; i++)
            {
                result[i] = (sortBy[i], requestedSortOrder[i]);
            }

            // Add remaining elements with the first specified SortOrder
            // or the default one if no SortOrders are specified
            var order = requestedSortOrder.Count > 0 ? requestedSortOrder[0] : SortOrder.Ascending;
            for (; i < sortBy.Count; i++)
            {
                result[i] = (sortBy[i], order);
            }

            return result;
        }

        /// <summary>
        /// Checks if the user can update an entry.
        /// </summary>
        /// <param name="authContext">Instance of the <see cref="IAuthorizationContext"/> interface.</param>
        /// <param name="requestContext">The <see cref="HttpRequest"/>.</param>
        /// <param name="userId">The user id.</param>
        /// <param name="restrictUserPreferences">Whether to restrict the user preferences.</param>
        /// <returns>A <see cref="bool"/> whether the user can update the entry.</returns>
        internal static async Task<bool> AssertCanUpdateUser(IAuthorizationContext authContext, HttpRequest requestContext, Guid userId, bool restrictUserPreferences)
        {
            var auth = await authContext.GetAuthorizationInfo(requestContext).ConfigureAwait(false);

            var authenticatedUser = auth.User;

            // If they're going to update the record of another user, they must be an administrator
            if ((!userId.Equals(auth.UserId) && !authenticatedUser.HasPermission(PermissionKind.IsAdministrator))
                || (restrictUserPreferences && !authenticatedUser.EnableUserPreferenceAccess))
            {
                return false;
            }

            return true;
        }

        internal static async Task<SessionInfo> GetSession(ISessionManager sessionManager, IAuthorizationContext authContext, HttpRequest request)
        {
            var authorization = await authContext.GetAuthorizationInfo(request).ConfigureAwait(false);
            var user = authorization.User;
            var session = await sessionManager.LogSessionActivity(
                authorization.Client,
                authorization.Version,
                authorization.DeviceId,
                authorization.Device,
                request.HttpContext.GetNormalizedRemoteIp().ToString(),
                user).ConfigureAwait(false);

            if (session == null)
            {
                throw new ArgumentException("Session not found.");
            }

            return session;
        }

        internal static async Task<string> GetSessionId(ISessionManager sessionManager, IAuthorizationContext authContext, HttpRequest request)
        {
            var session = await GetSession(sessionManager, authContext, request).ConfigureAwait(false);

            return session.Id;
        }

        internal static QueryResult<BaseItemDto> CreateQueryResult(
            QueryResult<(BaseItem Item, ItemCounts ItemCounts)> result,
            DtoOptions dtoOptions,
            IDtoService dtoService,
            bool includeItemTypes,
            User? user)
        {
            var dtos = result.Items.Select(i =>
            {
                var (baseItem, counts) = i;
                var dto = dtoService.GetItemByNameDto(baseItem, dtoOptions, null, user);

                if (includeItemTypes)
                {
                    dto.ChildCount = counts.ItemCount;
                    dto.ProgramCount = counts.ProgramCount;
                    dto.SeriesCount = counts.SeriesCount;
                    dto.EpisodeCount = counts.EpisodeCount;
                    dto.MovieCount = counts.MovieCount;
                    dto.TrailerCount = counts.TrailerCount;
                    dto.AlbumCount = counts.AlbumCount;
                    dto.SongCount = counts.SongCount;
                    dto.ArtistCount = counts.ArtistCount;
                }

                return dto;
            });

            return new QueryResult<BaseItemDto>
            {
                Items = dtos.ToArray(),
                TotalRecordCount = result.TotalRecordCount
            };
        }
    }
}