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OPDS Support (#526)

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* Added some basic OPDS implementation

* Fixed an issue with feed href

* More changes

* Added library routes and moved user code to a method so we can hack in fixed code without authentication

* Images now load on the OPDS reusing our existing Image infrastructure.

* Added the ability to download and moved some download code to a dedicated service

* Download is working, pagination is implemented.

* Refactored libraries to use pagination

* Laid foundation for OpenSearch implementation

* Fixed up some serialization issues and some old code that wasn't referencing helper methods

* Ensure chapters are sorted when we send them over OPDS

* OpenSearch implemented

* Removed any support for OPDS-PS due to lack of apps supporting it.

* Don't distribute development.json nor stats directory on build.

* Implemented In Progress feed as well.

* Ability to enable OPDS for server. OPDS now accepts initial call as POST in case app uses username/password.

* UI now properly renders state for OPDS enablement. Added Collections routes.

* Fixed pagination startIndex on OPDS feeds when there is less than 1 page.

* Chunky Reader now works. It only accepts UTF-8 encodings

* More Chunky fixes

* More chunky changes, such a fussy client.

* Implemented the ability to have a custom api key assigned to a user and use that api key as your authentication token against OPDS routing.

* Implemented the ability to reset your API Key

* Fixed favicon not being sent back correctly

* Fixed an issue where images wouldn't send on OPDS feed.

* Implemented Page streaming and fixed a pagination bug

* Hooked in the ability to save progress in Kavita when Page Streaming
This commit is contained in:
Joseph Milazzo 2021-08-27 10:19:25 -07:00 • committed by GitHub
parent 2a63e5e9e2
commit 6069d93c38
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50 changed files with 2409 additions and 116 deletions
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API/Services/DownloadService.cs Normal file
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using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Threading.Tasks;
using API.Entities;
using API.Interfaces.Services;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.StaticFiles;
namespace API.Services
{
public interface IDownloadService
{
Task<(byte[], string, string)> GetFirstFileDownload(IEnumerable<MangaFile> files);
string GetContentTypeFromFile(string filepath);
}
public class DownloadService : IDownloadService
{
private readonly IDirectoryService _directoryService;
private readonly FileExtensionContentTypeProvider _fileTypeProvider = new FileExtensionContentTypeProvider();
public DownloadService(IDirectoryService directoryService)
{
_directoryService = directoryService;
}
/// <summary>
/// Downloads the first file in the file enumerable for download
/// </summary>
/// <param name="files"></param>
/// <returns></returns>
public async Task<(byte[], string, string)> GetFirstFileDownload(IEnumerable<MangaFile> files)
{
var firstFile = files.Select(c => c.FilePath).First();
return (await _directoryService.ReadFileAsync(firstFile), GetContentTypeFromFile(firstFile), Path.GetFileName(firstFile));
}
public string GetContentTypeFromFile(string filepath)
{
// Figures out what the content type should be based on the file name.
if (!_fileTypeProvider.TryGetContentType(filepath, out var contentType))
{
contentType = Path.GetExtension(filepath).ToLowerInvariant() switch
{
".cbz" => "application/zip",
".cbr" => "application/vnd.rar",
".cb7" => "application/x-compressed",
".epub" => "application/epub+zip",
".7z" => "application/x-7z-compressed",
".7zip" => "application/x-7z-compressed",
".pdf" => "application/pdf",
_ => contentType
};
}
return contentType;
}
}
}