278 lines
8.7 KiB
Go
278 lines
8.7 KiB
Go
package subsonic
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import (
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"encoding/json"
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"encoding/xml"
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"errors"
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"fmt"
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"net/http"
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"runtime"
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"github.com/go-chi/chi/v5"
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"github.com/go-chi/chi/v5/middleware"
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"github.com/navidrome/navidrome/consts"
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"github.com/navidrome/navidrome/core"
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"github.com/navidrome/navidrome/core/scrobbler"
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"github.com/navidrome/navidrome/log"
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"github.com/navidrome/navidrome/model"
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"github.com/navidrome/navidrome/scanner"
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"github.com/navidrome/navidrome/server/events"
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"github.com/navidrome/navidrome/server/subsonic/responses"
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"github.com/navidrome/navidrome/utils"
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)
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const Version = "1.16.1"
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type handler = func(*http.Request) (*responses.Subsonic, error)
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type handlerRaw = func(http.ResponseWriter, *http.Request) (*responses.Subsonic, error)
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type Router struct {
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http.Handler
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ds model.DataStore
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artwork core.Artwork
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streamer core.MediaStreamer
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archiver core.Archiver
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players core.Players
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externalMetadata core.ExternalMetadata
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playlists core.Playlists
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scanner scanner.Scanner
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broker events.Broker
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scrobbler scrobbler.PlayTracker
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}
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func New(ds model.DataStore, artwork core.Artwork, streamer core.MediaStreamer, archiver core.Archiver,
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players core.Players, externalMetadata core.ExternalMetadata, scanner scanner.Scanner, broker events.Broker,
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playlists core.Playlists, scrobbler scrobbler.PlayTracker) *Router {
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r := &Router{
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ds: ds,
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artwork: artwork,
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streamer: streamer,
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archiver: archiver,
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players: players,
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externalMetadata: externalMetadata,
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playlists: playlists,
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scanner: scanner,
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broker: broker,
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scrobbler: scrobbler,
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}
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r.Handler = r.routes()
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return r
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}
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func (api *Router) routes() http.Handler {
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r := chi.NewRouter()
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r.Use(postFormToQueryParams)
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r.Use(checkRequiredParameters)
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r.Use(authenticate(api.ds))
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// TODO Validate version
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// Subsonic endpoints, grouped by controller
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r.Group(func(r chi.Router) {
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r.Use(getPlayer(api.players))
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h(r, "ping", api.Ping)
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h(r, "getLicense", api.GetLicense)
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})
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r.Group(func(r chi.Router) {
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r.Use(getPlayer(api.players))
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h(r, "getMusicFolders", api.GetMusicFolders)
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h(r, "getIndexes", api.GetIndexes)
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h(r, "getArtists", api.GetArtists)
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h(r, "getGenres", api.GetGenres)
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h(r, "getMusicDirectory", api.GetMusicDirectory)
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h(r, "getArtist", api.GetArtist)
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h(r, "getAlbum", api.GetAlbum)
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h(r, "getSong", api.GetSong)
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h(r, "getArtistInfo", api.GetArtistInfo)
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h(r, "getArtistInfo2", api.GetArtistInfo2)
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h(r, "getTopSongs", api.GetTopSongs)
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h(r, "getSimilarSongs", api.GetSimilarSongs)
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h(r, "getSimilarSongs2", api.GetSimilarSongs2)
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})
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r.Group(func(r chi.Router) {
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r.Use(getPlayer(api.players))
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hr(r, "getAlbumList", api.GetAlbumList)
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hr(r, "getAlbumList2", api.GetAlbumList2)
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h(r, "getStarred", api.GetStarred)
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h(r, "getStarred2", api.GetStarred2)
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h(r, "getNowPlaying", api.GetNowPlaying)
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h(r, "getRandomSongs", api.GetRandomSongs)
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h(r, "getSongsByGenre", api.GetSongsByGenre)
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})
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r.Group(func(r chi.Router) {
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r.Use(getPlayer(api.players))
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h(r, "setRating", api.SetRating)
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h(r, "star", api.Star)
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h(r, "unstar", api.Unstar)
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h(r, "scrobble", api.Scrobble)
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})
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r.Group(func(r chi.Router) {
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r.Use(getPlayer(api.players))
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h(r, "getPlaylists", api.GetPlaylists)
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h(r, "getPlaylist", api.GetPlaylist)
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h(r, "createPlaylist", api.CreatePlaylist)
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h(r, "deletePlaylist", api.DeletePlaylist)
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h(r, "updatePlaylist", api.UpdatePlaylist)
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})
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r.Group(func(r chi.Router) {
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r.Use(getPlayer(api.players))
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h(r, "getBookmarks", api.GetBookmarks)
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h(r, "createBookmark", api.CreateBookmark)
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h(r, "deleteBookmark", api.DeleteBookmark)
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h(r, "getPlayQueue", api.GetPlayQueue)
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h(r, "savePlayQueue", api.SavePlayQueue)
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})
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r.Group(func(r chi.Router) {
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r.Use(getPlayer(api.players))
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h(r, "search2", api.Search2)
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h(r, "search3", api.Search3)
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})
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r.Group(func(r chi.Router) {
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h(r, "getUser", api.GetUser)
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h(r, "getUsers", api.GetUsers)
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})
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r.Group(func(r chi.Router) {
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h(r, "getScanStatus", api.GetScanStatus)
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h(r, "startScan", api.StartScan)
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})
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r.Group(func(r chi.Router) {
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// configure request throttling
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maxRequests := utils.MaxInt(2, runtime.NumCPU())
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r.Use(middleware.ThrottleBacklog(maxRequests, consts.RequestThrottleBacklogLimit, consts.RequestThrottleBacklogTimeout))
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hr(r, "getAvatar", api.GetAvatar)
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hr(r, "getCoverArt", api.GetCoverArt)
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h(r, "getLyrics", api.GetLyrics)
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})
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r.Group(func(r chi.Router) {
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r.Use(getPlayer(api.players))
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hr(r, "stream", api.Stream)
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hr(r, "download", api.Download)
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})
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// Not Implemented (yet?)
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h501(r, "jukeboxControl")
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h501(r, "getAlbumInfo", "getAlbumInfo2")
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h501(r, "getShares", "createShare", "updateShare", "deleteShare")
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h501(r, "getPodcasts", "getNewestPodcasts", "refreshPodcasts", "createPodcastChannel", "deletePodcastChannel",
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"deletePodcastEpisode", "downloadPodcastEpisode")
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h501(r, "getInternetRadioStations", "createInternetRadioStation", "updateInternetRadioStation",
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"deleteInternetRadioStation")
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h501(r, "createUser", "updateUser", "deleteUser", "changePassword")
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// Deprecated/Won't implement/Out of scope endpoints
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h410(r, "search")
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h410(r, "getChatMessages", "addChatMessage")
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h410(r, "getVideos", "getVideoInfo", "getCaptions", "hls")
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return r
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}
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// Add a Subsonic handler
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func h(r chi.Router, path string, f handler) {
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hr(r, path, func(_ http.ResponseWriter, r *http.Request) (*responses.Subsonic, error) {
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return f(r)
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})
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}
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// Add a Subsonic handler that requires a http.ResponseWriter (ex: stream, getCoverArt...)
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func hr(r chi.Router, path string, f handlerRaw) {
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handle := func(w http.ResponseWriter, r *http.Request) {
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res, err := f(w, r)
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if err != nil {
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// If it is not a Subsonic error, convert it to an ErrorGeneric
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var subErr subError
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if !errors.As(err, &subErr) {
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if errors.Is(err, model.ErrNotFound) {
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err = newError(responses.ErrorDataNotFound, "data not found")
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} else {
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err = newError(responses.ErrorGeneric, "Internal Error")
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}
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}
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sendError(w, r, err)
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return
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}
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if r.Context().Err() != nil {
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if log.CurrentLevel() >= log.LevelDebug {
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log.Warn(r.Context(), "Request was interrupted", "path", path, r.Context().Err())
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}
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return
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}
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if res != nil {
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sendResponse(w, r, res)
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}
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}
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addHandler(r, path, handle)
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}
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// Add a handler that returns 501 - Not implemented. Used to signal that an endpoint is not implemented yet
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func h501(r chi.Router, paths ...string) {
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for _, path := range paths {
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handle := func(w http.ResponseWriter, r *http.Request) {
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w.Header().Add("Cache-Control", "no-cache")
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w.WriteHeader(501)
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_, _ = w.Write([]byte("This endpoint is not implemented, but may be in future releases"))
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}
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addHandler(r, path, handle)
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}
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}
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// Add a handler that returns 410 - Gone. Used to signal that an endpoint will not be implemented
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func h410(r chi.Router, paths ...string) {
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for _, path := range paths {
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handle := func(w http.ResponseWriter, r *http.Request) {
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w.WriteHeader(410)
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_, _ = w.Write([]byte("This endpoint will not be implemented"))
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}
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addHandler(r, path, handle)
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}
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}
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func addHandler(r chi.Router, path string, handle func(w http.ResponseWriter, r *http.Request)) {
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r.HandleFunc("/"+path, handle)
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r.HandleFunc("/"+path+".view", handle)
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}
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func sendError(w http.ResponseWriter, r *http.Request, err error) {
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response := newResponse()
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code := responses.ErrorGeneric
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var subErr subError
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if errors.As(err, &subErr) {
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code = subErr.code
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}
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response.Status = "failed"
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response.Error = &responses.Error{Code: code, Message: err.Error()}
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sendResponse(w, r, response)
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}
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func sendResponse(w http.ResponseWriter, r *http.Request, payload *responses.Subsonic) {
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f := utils.ParamString(r, "f")
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var response []byte
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switch f {
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case "json":
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w.Header().Set("Content-Type", "application/json")
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wrapper := &responses.JsonWrapper{Subsonic: *payload}
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response, _ = json.Marshal(wrapper)
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case "jsonp":
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w.Header().Set("Content-Type", "application/javascript")
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callback := utils.ParamString(r, "callback")
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wrapper := &responses.JsonWrapper{Subsonic: *payload}
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data, _ := json.Marshal(wrapper)
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response = []byte(fmt.Sprintf("%s(%s)", callback, data))
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default:
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w.Header().Set("Content-Type", "application/xml")
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response, _ = xml.Marshal(payload)
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}
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if payload.Status == "ok" {
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if log.CurrentLevel() >= log.LevelTrace {
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log.Debug(r.Context(), "API: Successful response", "status", "OK", "body", string(response))
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} else {
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log.Debug(r.Context(), "API: Successful response", "status", "OK")
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}
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} else {
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log.Warn(r.Context(), "API: Failed response", "error", payload.Error.Code, "message", payload.Error.Message)
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}
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if _, err := w.Write(response); err != nil {
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log.Error(r, "Error sending response to client", "payload", string(response), err)
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}
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}
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