using System;
using System.Collections.Generic;
using System.Linq;
using MediaBrowser.Controller.Dto;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Entities.Audio;
using MediaBrowser.Controller.Library;
using MediaBrowser.Controller.Net;
using MediaBrowser.Controller.Session;
using MediaBrowser.Model.Entities;
using MediaBrowser.Model.Services;
using MediaBrowser.Model.Querying;
using Microsoft.Extensions.Logging;
namespace MediaBrowser.Api
{
///
/// Class BaseApiService
///
public class BaseApiService : IService, IRequiresRequest
{
///
/// Gets or sets the logger.
///
/// The logger.
public ILogger Logger => ApiEntryPoint.Instance.Logger;
///
/// Gets or sets the HTTP result factory.
///
/// The HTTP result factory.
public IHttpResultFactory ResultFactory => ApiEntryPoint.Instance.ResultFactory;
///
/// Gets or sets the request context.
///
/// The request context.
public IRequest Request { get; set; }
public string GetHeader(string name)
{
return Request.Headers[name];
}
public static string[] SplitValue(string value, char delim)
{
if (value == null)
{
return Array.Empty();
}
return value.Split(new[] { delim }, StringSplitOptions.RemoveEmptyEntries);
}
public static Guid[] GetGuids(string value)
{
if (value == null)
{
return Array.Empty();
}
return value.Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries)
.Select(i => new Guid(i))
.ToArray();
}
///
/// To the optimized result.
///
///
/// The result.
/// System.Object.
protected object ToOptimizedResult(T result)
where T : class
{
return ResultFactory.GetResult(Request, result);
}
protected void AssertCanUpdateUser(IAuthorizationContext authContext, IUserManager userManager, Guid userId, bool restrictUserPreferences)
{
var auth = authContext.GetAuthorizationInfo(Request);
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))
{
if (!authenticatedUser.Policy.IsAdministrator)
{
throw new SecurityException("Unauthorized access.");
}
}
else if (restrictUserPreferences)
{
if (!authenticatedUser.Policy.EnableUserPreferenceAccess)
{
throw new SecurityException("Unauthorized access.");
}
}
}
///
/// Gets the session.
///
/// SessionInfo.
protected SessionInfo GetSession(ISessionContext sessionContext)
{
var session = sessionContext.GetSession(Request);
if (session == null)
{
throw new ArgumentException("Session not found.");
}
return session;
}
protected DtoOptions GetDtoOptions(IAuthorizationContext authContext, object request)
{
var options = new DtoOptions();
if (request is IHasItemFields hasFields)
{
options.Fields = hasFields.GetItemFields();
}
if (!options.ContainsField(Model.Querying.ItemFields.RecursiveItemCount)
|| !options.ContainsField(Model.Querying.ItemFields.ChildCount))
{
var client = authContext.GetAuthorizationInfo(Request).Client ?? string.Empty;
if (client.IndexOf("kodi", StringComparison.OrdinalIgnoreCase) != -1 ||
client.IndexOf("wmc", StringComparison.OrdinalIgnoreCase) != -1 ||
client.IndexOf("media center", StringComparison.OrdinalIgnoreCase) != -1 ||
client.IndexOf("classic", StringComparison.OrdinalIgnoreCase) != -1)
{
int oldLen = options.Fields.Length;
var arr = new ItemFields[oldLen + 1];
options.Fields.CopyTo(arr, 0);
arr[oldLen] = Model.Querying.ItemFields.RecursiveItemCount;
options.Fields = arr;
}
if (client.IndexOf("kodi", StringComparison.OrdinalIgnoreCase) != -1 ||
client.IndexOf("wmc", StringComparison.OrdinalIgnoreCase) != -1 ||
client.IndexOf("media center", StringComparison.OrdinalIgnoreCase) != -1 ||
client.IndexOf("classic", StringComparison.OrdinalIgnoreCase) != -1 ||
client.IndexOf("roku", StringComparison.OrdinalIgnoreCase) != -1 ||
client.IndexOf("samsung", StringComparison.OrdinalIgnoreCase) != -1 ||
client.IndexOf("androidtv", StringComparison.OrdinalIgnoreCase) != -1)
{
int oldLen = options.Fields.Length;
var arr = new ItemFields[oldLen + 1];
options.Fields.CopyTo(arr, 0);
arr[oldLen] = Model.Querying.ItemFields.ChildCount;
options.Fields = arr;
}
}
if (request is IHasDtoOptions hasDtoOptions)
{
options.EnableImages = hasDtoOptions.EnableImages ?? true;
if (hasDtoOptions.ImageTypeLimit.HasValue)
{
options.ImageTypeLimit = hasDtoOptions.ImageTypeLimit.Value;
}
if (hasDtoOptions.EnableUserData.HasValue)
{
options.EnableUserData = hasDtoOptions.EnableUserData.Value;
}
if (!string.IsNullOrWhiteSpace(hasDtoOptions.EnableImageTypes))
{
options.ImageTypes = hasDtoOptions.EnableImageTypes.Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries)
.Select(v => (ImageType)Enum.Parse(typeof(ImageType), v, true))
.ToArray();
}
}
return options;
}
protected MusicArtist GetArtist(string name, ILibraryManager libraryManager, DtoOptions dtoOptions)
{
if (name.IndexOf(BaseItem.SlugChar) != -1)
{
var result = GetItemFromSlugName(libraryManager, name, dtoOptions);
if (result != null)
{
return result;
}
}
return libraryManager.GetArtist(name, dtoOptions);
}
protected Studio GetStudio(string name, ILibraryManager libraryManager, DtoOptions dtoOptions)
{
if (name.IndexOf(BaseItem.SlugChar) != -1)
{
var result = GetItemFromSlugName(libraryManager, name, dtoOptions);
if (result != null)
{
return result;
}
}
return libraryManager.GetStudio(name);
}
protected Genre GetGenre(string name, ILibraryManager libraryManager, DtoOptions dtoOptions)
{
if (name.IndexOf(BaseItem.SlugChar) != -1)
{
var result = GetItemFromSlugName(libraryManager, name, dtoOptions);
if (result != null)
{
return result;
}
}
return libraryManager.GetGenre(name);
}
protected MusicGenre GetMusicGenre(string name, ILibraryManager libraryManager, DtoOptions dtoOptions)
{
if (name.IndexOf(BaseItem.SlugChar) != -1)
{
var result = GetItemFromSlugName(libraryManager, name, dtoOptions);
if (result != null)
{
return result;
}
}
return libraryManager.GetMusicGenre(name);
}
protected Person GetPerson(string name, ILibraryManager libraryManager, DtoOptions dtoOptions)
{
if (name.IndexOf(BaseItem.SlugChar) != -1)
{
var result = GetItemFromSlugName(libraryManager, name, dtoOptions);
if (result != null)
{
return result;
}
}
return libraryManager.GetPerson(name);
}
private T GetItemFromSlugName(ILibraryManager libraryManager, string name, DtoOptions dtoOptions)
where T : BaseItem, new()
{
var result = libraryManager.GetItemList(new InternalItemsQuery
{
Name = name.Replace(BaseItem.SlugChar, '&'),
IncludeItemTypes = new[] { typeof(T).Name },
DtoOptions = dtoOptions
}).OfType().FirstOrDefault();
if (result == null)
{
result = libraryManager.GetItemList(new InternalItemsQuery
{
Name = name.Replace(BaseItem.SlugChar, '/'),
IncludeItemTypes = new[] { typeof(T).Name },
DtoOptions = dtoOptions
}).OfType().FirstOrDefault();
}
if (result == null)
{
result = libraryManager.GetItemList(new InternalItemsQuery
{
Name = name.Replace(BaseItem.SlugChar, '?'),
IncludeItemTypes = new[] { typeof(T).Name },
DtoOptions = dtoOptions
}).OfType().FirstOrDefault();
}
return result;
}
protected string GetPathValue(int index)
{
var pathInfo = Parse(Request.PathInfo);
var first = pathInfo[0];
// backwards compatibility
if (string.Equals(first, "mediabrowser", StringComparison.OrdinalIgnoreCase)
|| string.Equals(first, "emby", StringComparison.OrdinalIgnoreCase)
|| string.Equals(first, ApiEntryPoint.Instance.ConfigurationManager.Configuration.BaseUrl))
{
index++;
}
return pathInfo[index];
}
private static string[] Parse(string pathUri)
{
var actionParts = pathUri.Split(new[] { "://" }, StringSplitOptions.None);
var pathInfo = actionParts[actionParts.Length - 1];
var optionsPos = pathInfo.LastIndexOf('?');
if (optionsPos != -1)
{
pathInfo = pathInfo.Substring(0, optionsPos);
}
var args = pathInfo.Split('/');
return args.Skip(1).ToArray();
}
///
/// Gets the name of the item by.
///
protected BaseItem GetItemByName(string name, string type, ILibraryManager libraryManager, DtoOptions dtoOptions)
{
if (type.Equals("Person", StringComparison.OrdinalIgnoreCase))
{
return GetPerson(name, libraryManager, dtoOptions);
}
else if (type.Equals("Artist", StringComparison.OrdinalIgnoreCase))
{
return GetArtist(name, libraryManager, dtoOptions);
}
else if (type.Equals("Genre", StringComparison.OrdinalIgnoreCase))
{
return GetGenre(name, libraryManager, dtoOptions);
}
else if (type.Equals("MusicGenre", StringComparison.OrdinalIgnoreCase))
{
return GetMusicGenre(name, libraryManager, dtoOptions);
}
else if (type.Equals("Studio", StringComparison.OrdinalIgnoreCase))
{
return GetStudio(name, libraryManager, dtoOptions);
}
else if (type.Equals("Year", StringComparison.OrdinalIgnoreCase))
{
return libraryManager.GetYear(int.Parse(name));
}
throw new ArgumentException("Invalid type", nameof(type));
}
}
}