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14 Commits

23 changed files with 3201 additions and 940 deletions

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@@ -12,12 +12,11 @@
- Apple Music \[Planned\]
- WebUI \[In Progress\]
- Full listening history with time \[Functional\]
- Full listening history with time \[Complete\]
- Daily, weekly, monthly, yearly, lifetime presets for listening reports
- Ability to specify a certain point in time from one datetime to another to list data
- Grid maker (3x3-10x10)
- Ability to change artist image
- Multi artist scrobbling
- Ability to "sync" offline scrobbles (send from a device to the server)
- Live scrobbling to the server (Now playing)
- Live scrobbling to the server (With Now playing status) \[Complete\]
- Batch scrobble editor

View File

@@ -18,7 +18,10 @@ func CreateAllTables() error {
if err := CreateUsersTable(); err != nil {
return err
}
return CreateSessionsTable()
if err := CreateSessionsTable(); err != nil {
return err
}
return CreateSpotifyLastTrackTable()
}
func GetDbUrl(dbName bool) string {
@@ -88,17 +91,25 @@ func CreateHistoryTable() error {
return nil
}
// TODO: move user settings to jsonb in db
func CreateUsersTable() error {
_, err := Pool.Exec(context.Background(),
`CREATE TABLE IF NOT EXISTS users (
username TEXT NOT NULL UNIQUE,
password TEXT NOT NULL,
bio TEXT DEFAULT 'This profile has no bio.',
pfp TEXT DEFAULT '/files/assets/default.png',
pfp TEXT DEFAULT '/files/assets/pfps/default.png',
allow_duplicate_edits BOOLEAN DEFAULT FALSE,
api_key TEXT,
api_secret TEXT,
spotify_client_id TEXT,
spotify_client_secret TEXT,
spotify_access_token TEXT,
spotify_refresh_token TEXT,
spotify_token_expires TIMESTAMPTZ,
last_spotify_check TIMESTAMPTZ,
pk SERIAL PRIMARY KEY
);`)
);
CREATE INDEX IF NOT EXISTS idx_users_api_key ON users(api_key);`)
if err != nil {
fmt.Fprintf(os.Stderr, "Error creating users table: %v\n", err)
return err
@@ -126,7 +137,26 @@ func CleanupExpiredSessions() error {
_, err := Pool.Exec(context.Background(),
"DELETE FROM sessions WHERE expires_at < NOW();")
if err != nil {
fmt.Fprintf(os.Stderr, "Error cleaning up expired sessions: %v\n", err)
fmt.Fprintf(os.Stderr, "Error cleaning up sessions: %v\n", err)
return err
}
return nil
}
func CreateSpotifyLastTrackTable() error {
_, err := Pool.Exec(context.Background(),
`CREATE TABLE IF NOT EXISTS spotify_last_track (
user_id INTEGER PRIMARY KEY REFERENCES users(pk) ON DELETE CASCADE,
track_id TEXT NOT NULL,
song_name TEXT NOT NULL,
artist TEXT NOT NULL,
album_name TEXT,
duration_ms INTEGER NOT NULL,
progress_ms INTEGER NOT NULL DEFAULT 0,
updated_at TIMESTAMPTZ DEFAULT NOW()
);`)
if err != nil {
fmt.Fprintf(os.Stderr, "Error creating spotify_last_track table: %v\n", err)
return err
}
return nil

View File

@@ -6,6 +6,7 @@ import (
"os"
"muzi/db"
"muzi/scrobble"
"muzi/web"
"github.com/jackc/pgx/v5/pgxpool"
@@ -28,5 +29,6 @@ func main() {
check("ensuring all tables exist", db.CreateAllTables())
check("cleaning expired sessions", db.CleanupExpiredSessions())
scrobble.StartSpotifyPoller()
web.Start()
}

View File

@@ -1,7 +1,16 @@
package migrate
// Spotify import functionality for migrating Spotify listening history
// from JSON export files into the database
// This file handles:
// - Parsing Spotify JSON track data
// - Batch processing with deduplication (20-second window)
// - Efficient bulk inserts using pgx.CopyFrom
import (
"context"
"encoding/json"
"fmt"
"os"
"strings"
@@ -12,231 +21,65 @@ import (
"github.com/jackc/pgx/v5"
)
const batchSize = 1000
const (
batchSize = 1000
minPlayTime = 20000 // 20000 ms = 20 sec
timeDiff = 20 * time.Second
)
// Represents a single listening event from Spotify's JSON export format
type SpotifyTrack struct {
Timestamp string `json:"ts"`
Played int `json:"ms_played"`
Name string `json:"master_metadata_track_name"`
Artist string `json:"master_metadata_album_artist_name"`
Album string `json:"master_metadata_album_album_name"`
Timestamp time.Time `json:"ts"`
Played int `json:"ms_played"`
Name string `json:"master_metadata_track_name"`
Artist string `json:"master_metadata_album_artist_name"`
Album string `json:"master_metadata_album_album_name"`
}
// Implements pgx.CopyFromSource for efficient bulk inserts.
// Filters out duplicates in-memory before sending to PostgreSQL
type trackSource struct {
tracks []SpotifyTrack
tracksToSkip map[string]struct{}
idx int
userId int
tracks []SpotifyTrack // Full batch of tracks to process
tracksToSkip map[string]struct{} // Set of duplicate keys to skip
idx int // Current position in tracks slice
userId int // User ID to associate with imported tracks
}
// Represents a track already stored in the database, used for duplicate
// detection during import
type dbTrack struct {
Timestamp time.Time
SongName string
Artist string
}
func (s *trackSource) Next() bool {
for s.idx < len(s.tracks) {
t := s.tracks[s.idx]
ts, err := normalizeTs(t.Timestamp)
if err != nil {
fmt.Fprintf(os.Stderr, "Error normalizing timestamp: %v\n", err)
s.idx++
continue
}
key := fmt.Sprintf("%s|%s|%s", t.Artist, t.Name, ts)
if _, shouldSkip := s.tracksToSkip[key]; shouldSkip {
s.idx++
continue
}
s.idx++
return true
}
return false
}
// Import Spotify listening history into the database.
// Processes tracks in batches of 1000 (default), filters out tracks played <
// 20 seconds, deduplicates against existing data, and sends progress updates
// via progressChan.
// The progressChan must not be closed by the caller. The receiver should
// stop reading when Status is "completed". This avoids panics from
// sending on a closed channel.
func (s *trackSource) Values() ([]any, error) {
// idx is already incremented in Next(), so use idx-1
t := s.tracks[s.idx-1]
ts, err := time.Parse(time.RFC3339Nano, t.Timestamp)
if err != nil {
return nil, err
}
return []any{
s.userId,
ts,
t.Name,
t.Artist,
t.Album,
t.Played,
"spotify",
}, nil
}
func (s *trackSource) Err() error {
return nil
}
func normalizeTs(ts string) (string, error) {
t, err := time.Parse(time.RFC3339Nano, ts)
if err != nil {
return "", err
}
return t.Format(time.RFC3339Nano), nil
}
func getExistingTracks(
userId int, tracks []SpotifyTrack,
) (map[string]struct{}, error) {
minTs, maxTs := findTimeRange(tracks)
if minTs.IsZero() {
return map[string]struct{}{}, nil
}
dbTracks, err := fetchDbTracks(userId, minTs, maxTs)
if err != nil {
return nil, err
}
dbIndex := buildDbTrackIndex(dbTracks)
return findDuplicates(tracks, dbIndex), nil
}
// get the min/max timestamp range for a batch of tracks
func findTimeRange(tracks []SpotifyTrack) (time.Time, time.Time) {
var minTs, maxTs time.Time
for _, t := range tracks {
ts, err := time.Parse(time.RFC3339Nano, t.Timestamp)
if err != nil {
continue
}
if minTs.IsZero() || ts.Before(minTs) {
minTs = ts
}
if ts.After(maxTs) {
maxTs = ts
}
}
return minTs, maxTs
}
/*
get all tracks in the database for a user that have the same timestamp
range as the current batch
*/
func fetchDbTracks(userId int, minTs, maxTs time.Time) ([]dbTrack, error) {
rows, err := db.Pool.Query(context.Background(),
`SELECT song_name, artist, timestamp
FROM history
WHERE user_id = $1
AND timestamp BETWEEN $2 AND $3`,
userId,
// adjust 20 seconds to find duplicates on edges of batch
minTs.Add(-20*time.Second),
maxTs.Add(20*time.Second))
if err != nil {
return nil, err
}
defer rows.Close()
var dbTracks []dbTrack
for rows.Next() {
var t dbTrack
if err := rows.Scan(&t.SongName, &t.Artist, &t.Timestamp); err != nil {
continue
}
dbTracks = append(dbTracks, t)
}
return dbTracks, nil
}
func buildDbTrackIndex(tracks []dbTrack) map[string][]time.Time {
index := make(map[string][]time.Time)
for _, t := range tracks {
key := t.Artist + "|" + t.SongName
index[key] = append(index[key], t.Timestamp)
}
return index
}
func findDuplicates(tracks []SpotifyTrack, dbIndex map[string][]time.Time) map[string]struct{} {
duplicates := make(map[string]struct{})
seenInBatch := make(map[string]struct{})
for _, track := range tracks {
trackKey, err := createTrackKey(track)
if err != nil {
continue
}
// in batch check
if _, seen := seenInBatch[trackKey]; seen {
duplicates[trackKey] = struct{}{}
continue
}
seenInBatch[trackKey] = struct{}{}
// in db check
lookupKey := fmt.Sprintf("%s|%s", track.Artist, track.Name)
if dbTimestamps, found := dbIndex[lookupKey]; found {
if isDuplicateWithinWindow(track, dbTimestamps) {
duplicates[trackKey] = struct{}{}
}
}
}
return duplicates
}
func createTrackKey(track SpotifyTrack) (string, error) {
ts, err := normalizeTs(track.Timestamp)
if err != nil {
return "", err
}
return fmt.Sprintf("%s|%s|%s", track.Artist, track.Name, ts), nil
}
// check if a track timestamp falls < 20 seconds of another
func isDuplicateWithinWindow(track SpotifyTrack, existingTimestamps []time.Time) bool {
trackTime, err := time.Parse(time.RFC3339Nano, track.Timestamp)
if err != nil {
return false
}
for _, existingTime := range existingTimestamps {
diff := trackTime.Sub(existingTime)
if diff < 0 {
diff = -diff
}
if diff < 20*time.Second {
return true
}
}
return false
}
func ImportSpotify(tracks []SpotifyTrack, userId int, progressChan chan ProgressUpdate) error {
func ImportSpotify(tracks []SpotifyTrack,
userId int, progressChan chan ProgressUpdate,
) {
totalImported := 0
totalTracks := len(tracks)
batchStart := 0
totalBatches := (totalTracks + batchSize - 1) / batchSize
// Send initial progress update
if progressChan != nil {
progressChan <- ProgressUpdate{
TotalPages: totalBatches,
Status: "running",
}
}
sendProgressUpdate(progressChan, 0, 0, totalBatches, totalImported, "running")
for batchStart < totalTracks {
// cap batchEnd at total track count on final batch to prevent OOB error
// Cap batchEnd at total track count on final batch to prevent OOB error
batchEnd := min(batchStart+batchSize, totalTracks)
currentBatch := (batchStart / batchSize) + 1
var validTracks []SpotifyTrack
for i := batchStart; i < batchEnd; i++ {
if tracks[i].Played >= 20000 && // 20 seconds
if tracks[i].Played >= minPlayTime &&
tracks[i].Name != "" &&
tracks[i].Artist != "" {
validTracks = append(validTracks, tracks[i])
@@ -246,19 +89,18 @@ func ImportSpotify(tracks []SpotifyTrack, userId int, progressChan chan Progress
if len(validTracks) == 0 {
batchStart += batchSize
// Send progress update even for empty batches
if progressChan != nil {
progressChan <- ProgressUpdate{
CurrentPage: currentBatch,
CompletedPages: currentBatch,
TotalPages: totalBatches,
TracksImported: totalImported,
Status: "running",
}
}
sendProgressUpdate(
progressChan,
currentBatch,
currentBatch,
totalBatches,
totalImported,
"running",
)
continue
}
tracksToSkip, err := getExistingTracks(userId, validTracks)
tracksToSkip, err := getDupes(userId, validTracks)
if err != nil {
fmt.Fprintf(os.Stderr, "Error checking existing tracks: %v\n", err)
batchStart += batchSize
@@ -286,6 +128,7 @@ func ImportSpotify(tracks []SpotifyTrack, userId int, progressChan chan Progress
},
src,
)
// Do not log errors that come from adding duplicate songs
if err != nil {
if !strings.Contains(err.Error(), "duplicate") {
fmt.Fprintf(os.Stderr, "Spotify batch insert failed: %v\n", err)
@@ -294,30 +137,223 @@ func ImportSpotify(tracks []SpotifyTrack, userId int, progressChan chan Progress
totalImported += int(copyCount)
}
// Send progress update
if progressChan != nil {
progressChan <- ProgressUpdate{
CurrentPage: currentBatch,
CompletedPages: currentBatch,
TotalPages: totalBatches,
TracksImported: totalImported,
Status: "running",
}
}
sendProgressUpdate(
progressChan,
currentBatch,
currentBatch,
totalBatches,
totalImported,
"running",
)
batchStart += batchSize
}
// Send completion update
if progressChan != nil {
progressChan <- ProgressUpdate{
CurrentPage: totalBatches,
CompletedPages: totalBatches,
TotalPages: totalBatches,
TracksImported: totalImported,
Status: "completed",
sendProgressUpdate(
progressChan,
totalBatches,
totalBatches,
totalBatches,
totalImported,
"completed",
)
}
// Sends a progress update to the channel if it's not nil.
// To avoid panics from sending on a closed channel, the channel
// must never be closed by the receiver. The receiver should stop reading when
// Status reads "completed".
func sendProgressUpdate(
ch chan ProgressUpdate,
current, completed, total, imported int,
status string,
) {
if ch != nil {
ch <- ProgressUpdate{
CurrentPage: current,
CompletedPages: completed,
TotalPages: total,
TracksImported: imported,
Status: status,
}
}
}
// Finds tracks that already exist in the database or are duplicates within the
// current batch, using a 20-second window to handle minor timestamp variations
func getDupes(userId int, tracks []SpotifyTrack) (map[string]struct{}, error) {
minTs, maxTs := findTimeRange(tracks)
if minTs.IsZero() {
return map[string]struct{}{}, nil
}
dbTracks, err := fetchDbTracks(userId, minTs, maxTs)
if err != nil {
return nil, err
}
dbIndex := buildDbTrackIndex(dbTracks)
duplicates := make(map[string]struct{})
seenInBatch := make(map[string]struct{})
for _, track := range tracks {
trackKey := createTrackKey(track)
// Check in batch
if _, seen := seenInBatch[trackKey]; seen {
duplicates[trackKey] = struct{}{}
continue
}
seenInBatch[trackKey] = struct{}{}
// Check in DB
lookupKey := fmt.Sprintf("%s|%s", track.Artist, track.Name)
if dbTimestamps, found := dbIndex[lookupKey]; found {
if isDuplicateWithinWindow(track, dbTimestamps) {
duplicates[trackKey] = struct{}{}
}
}
}
return duplicates, nil
}
// Get the min/max timestamp range for a batch of tracks
func findTimeRange(tracks []SpotifyTrack) (time.Time, time.Time) {
var minTs, maxTs time.Time
for _, t := range tracks {
if minTs.IsZero() || t.Timestamp.Before(minTs) {
minTs = t.Timestamp
}
if t.Timestamp.After(maxTs) {
maxTs = t.Timestamp
}
}
return minTs, maxTs
}
// Get all tracks in the database for a user that have the same timestamp
// range as the current batch
func fetchDbTracks(userId int, minTs, maxTs time.Time) ([]dbTrack, error) {
rows, err := db.Pool.Query(context.Background(),
`SELECT song_name, artist, timestamp
FROM history
WHERE user_id = $1
AND timestamp BETWEEN $2 AND $3`,
userId,
// Adjust 20 seconds to find duplicates on edges of batch
minTs.Add(-timeDiff),
maxTs.Add(timeDiff))
if err != nil {
return nil, err
}
defer rows.Close()
var dbTracks []dbTrack
for rows.Next() {
var t dbTrack
if err := rows.Scan(&t.SongName, &t.Artist, &t.Timestamp); err != nil {
continue
}
dbTracks = append(dbTracks, t)
}
err = rows.Err()
if err != nil {
return nil, err
}
return dbTracks, nil
}
// Create a lookup map from Artist|Name to timestamps for efficient duplicate
// detection.
func buildDbTrackIndex(tracks []dbTrack) map[string][]time.Time {
index := make(map[string][]time.Time)
for _, t := range tracks {
key := t.Artist + "|" + t.SongName
index[key] = append(index[key], t.Timestamp)
}
return index
}
// Generate a unique identifier for a track using artist, name, and
// normalized timestamp.
func createTrackKey(track SpotifyTrack) string {
ts := track.Timestamp.Format(time.RFC3339Nano)
return fmt.Sprintf("%s|%s|%s", track.Artist, track.Name, ts)
}
// Check if a track timestamp falls < 20 seconds of another
func isDuplicateWithinWindow(track SpotifyTrack,
existingTimestamps []time.Time,
) bool {
for _, existingTime := range existingTimestamps {
diff := track.Timestamp.Sub(existingTime)
if diff < 0 {
diff = -diff
}
if diff < timeDiff {
return true
}
}
return false
}
// Advances to the next valid track, skipping duplicates and invalid timestamps.
// Returns false when all tracks have been processed
func (s *trackSource) Next() bool {
for s.idx < len(s.tracks) {
t := s.tracks[s.idx]
key := createTrackKey(t)
if _, shouldSkip := s.tracksToSkip[key]; shouldSkip {
s.idx++
continue
}
s.idx++
return true
}
return false
}
// Returns the current track's data formatted for database insertion.
// Must only be called after Next() returns true
func (s *trackSource) Values() ([]any, error) {
// idx is already incremented in Next(), so use idx-1
t := s.tracks[s.idx-1]
return []any{
s.userId,
t.Timestamp,
t.Name,
t.Artist,
t.Album,
t.Played,
"spotify",
}, nil
}
// Returns any error encountered during iteration.
// Currently always returns nil as errors are logged in Next()
func (s *trackSource) Err() error {
return nil
}
// Implements custom JSON unmarshaling to parse the timestamp
func (s *SpotifyTrack) UnmarshalJSON(data []byte) error {
type Alias SpotifyTrack
aux := &struct {
Timestamp string `json:"ts"`
*Alias
}{
Alias: (*Alias)(s),
}
if err := json.Unmarshal(data, &aux); err != nil {
return err
}
ts, err := time.Parse(time.RFC3339Nano, aux.Timestamp)
if err != nil {
return fmt.Errorf("parsing timestamp: %w", err)
}
s.Timestamp = ts
return nil
}

362
scrobble/lastfm.go Normal file
View File

@@ -0,0 +1,362 @@
package scrobble
import (
"context"
"crypto/md5"
"encoding/hex"
"fmt"
"io"
"net/http"
"net/url"
"os"
"strconv"
"strings"
"time"
"muzi/db"
)
type LastFMHandler struct{}
func NewLastFMHandler() *LastFMHandler {
return &LastFMHandler{}
}
func (h *LastFMHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
if r.Method == "GET" {
if r.URL.Query().Get("hs") == "true" {
h.handleHandshake(w, r)
return
}
http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
return
}
if r.Method != "POST" {
http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
return
}
err := r.ParseForm()
if err != nil {
h.respond(w, "failed", 400, "Invalid request")
return
}
method := r.PostForm.Get("method")
apiKey := r.PostForm.Get("api_key")
sk := r.PostForm.Get("s")
track := r.PostForm.Get("t")
if method != "" {
switch method {
case "auth.gettoken":
h.handleGetToken(w, apiKey)
case "auth.getsession":
h.handleGetSession(w, r)
case "track.updateNowPlaying":
h.handleNowPlaying(w, r)
case "track.scrobble":
h.handleScrobble(w, r)
default:
h.respond(w, "failed", 400, fmt.Sprintf("Invalid method: %s", method))
}
return
}
if sk != "" {
if r.PostForm.Get("a[0]") != "" && (r.PostForm.Get("t[0]") != "" || r.PostForm.Get("i[0]") != "") {
h.handleScrobble(w, r)
return
}
if track != "" {
h.handleNowPlaying(w, r)
return
}
}
h.respond(w, "failed", 400, "Missing required parameters")
}
func (h *LastFMHandler) respond(w http.ResponseWriter, status string, code int, message string) {
w.Header().Set("Content-Type", "text/plain")
w.Write([]byte(fmt.Sprintf("FAILED %s", message)))
}
func (h *LastFMHandler) respondOK(w http.ResponseWriter, content string) {
w.Header().Set("Content-Type", "application/xml; charset=utf-8")
w.Write([]byte(content))
}
func (h *LastFMHandler) handleHandshake(w http.ResponseWriter, r *http.Request) {
username := r.URL.Query().Get("u")
token := r.URL.Query().Get("t")
authToken := r.URL.Query().Get("a")
if username == "" || token == "" || authToken == "" {
w.Write([]byte("BADAUTH"))
return
}
userId, err := GetUserByUsername(username)
if err != nil {
w.Write([]byte("BADAUTH"))
return
}
sessionKey, err := GenerateSessionKey()
if err != nil {
w.Write([]byte("FAILED Could not generate session"))
return
}
_, err = db.Pool.Exec(context.Background(),
`UPDATE users SET api_secret = $1 WHERE pk = $2`,
sessionKey, userId)
if err != nil {
fmt.Fprintf(os.Stderr, "Error updating session key: %v\n", err)
w.Write([]byte("FAILED Database error"))
return
}
w.Write([]byte(fmt.Sprintf("OK\n%s\nhttp://127.0.0.1:1234/2.0/\nhttp://127.0.0.1:1234/2.0/\n", sessionKey)))
}
func (h *LastFMHandler) handleGetToken(w http.ResponseWriter, apiKey string) {
userId, _, err := GetUserByAPIKey(apiKey)
if err != nil {
h.respond(w, "failed", 10, "Invalid API key")
return
}
token, err := GenerateSessionKey()
if err != nil {
h.respond(w, "failed", 16, "Service temporarily unavailable")
return
}
h.respondOK(w, fmt.Sprintf(`<?xml version="1.0" encoding="utf-8"?>
<lfm status="ok">
<token>%s</token>
</lfm>`, token))
_ = userId
}
func (h *LastFMHandler) handleGetSession(w http.ResponseWriter, r *http.Request) {
apiKey := r.FormValue("api_key")
userId, username, err := GetUserByAPIKey(apiKey)
if err != nil {
h.respond(w, "failed", 10, "Invalid API key")
return
}
sessionKey, err := GenerateSessionKey()
if err != nil {
h.respond(w, "failed", 16, "Service temporarily unavailable")
return
}
_, err = db.Pool.Exec(context.Background(),
`UPDATE users SET api_secret = $1 WHERE pk = $2`,
sessionKey, userId)
if err != nil {
fmt.Fprintf(os.Stderr, "Error updating session key: %v\n", err)
h.respond(w, "failed", 16, "Service temporarily unavailable")
return
}
h.respondOK(w, fmt.Sprintf(`<?xml version="1.0" encoding="utf-8"?>
<lfm status="ok">
<session>
<name>%s</name>
<key>%s</key>
<subscriber>0</subscriber>
</session>
</lfm>`, username, sessionKey))
}
func (h *LastFMHandler) handleNowPlaying(w http.ResponseWriter, r *http.Request) {
sessionKey := r.PostForm.Get("s")
if sessionKey == "" {
h.respond(w, "failed", 9, "Invalid session")
return
}
userId, _, err := GetUserBySessionKey(sessionKey)
if err != nil {
h.respond(w, "failed", 9, "Invalid session")
return
}
artist := r.PostForm.Get("a")
track := r.PostForm.Get("t")
album := r.PostForm.Get("b")
if track == "" {
h.respondOK(w, "OK")
return
}
duration := r.PostForm.Get("l")
msPlayed := 0
if duration != "" {
if d, err := strconv.Atoi(duration); err == nil {
msPlayed = d * 1000
}
}
UpdateNowPlaying(NowPlaying{
UserId: userId,
SongName: track,
Artist: artist,
Album: album,
MsPlayed: msPlayed,
Platform: "lastfm_api",
UpdatedAt: time.Now(),
})
h.respondOK(w, "OK")
}
func (h *LastFMHandler) handleScrobble(w http.ResponseWriter, r *http.Request) {
sessionKey := r.PostForm.Get("s")
if sessionKey == "" {
h.respond(w, "failed", 9, "Invalid session")
return
}
userId, _, err := GetUserBySessionKey(sessionKey)
if err != nil {
h.respond(w, "failed", 9, "Invalid session")
return
}
scrobbles := h.parseScrobbles(r.PostForm, userId)
if len(scrobbles) == 0 {
h.respond(w, "failed", 1, "No scrobbles to submit")
return
}
accepted, ignored := 0, 0
for _, scrobble := range scrobbles {
err := SaveScrobble(scrobble)
if err != nil {
if err.Error() == "duplicate scrobble" {
ignored++
}
continue
}
accepted++
}
ClearNowPlaying(userId)
h.respondOK(w, fmt.Sprintf("OK\n%d\n%d\n", accepted, ignored))
}
func (h *LastFMHandler) parseScrobbles(form url.Values, userId int) []Scrobble {
var scrobbles []Scrobble
for i := 0; i < 50; i++ {
var artist, track, album, timestampStr string
if i == 0 {
artist = form.Get("a[0]")
track = form.Get("t[0]")
album = form.Get("b[0]")
timestampStr = form.Get("i[0]")
} else {
artist = form.Get(fmt.Sprintf("a[%d]", i))
track = form.Get(fmt.Sprintf("t[%d]", i))
album = form.Get(fmt.Sprintf("b[%d]", i))
timestampStr = form.Get(fmt.Sprintf("i[%d]", i))
}
if artist == "" || track == "" || timestampStr == "" {
break
}
ts, err := strconv.ParseInt(timestampStr, 10, 64)
if err != nil {
continue
}
duration := form.Get(fmt.Sprintf("l[%d]", i))
msPlayed := 0
if duration != "" {
if d, err := strconv.Atoi(duration); err == nil {
msPlayed = d * 1000
}
}
scrobbles = append(scrobbles, Scrobble{
UserId: userId,
Timestamp: time.Unix(ts, 0).UTC(),
SongName: track,
Artist: artist,
Album: album,
MsPlayed: msPlayed,
Platform: "lastfm_api",
})
}
return scrobbles
}
func SignRequest(params map[string]string, secret string) string {
var keys []string
for k := range params {
keys = append(keys, k)
}
for i := 0; i < len(keys)-1; i++ {
for j := i + 1; j < len(keys); j++ {
if keys[i] > keys[j] {
keys[i], keys[j] = keys[j], keys[i]
}
}
}
var str string
for _, k := range keys {
str += k + params[k]
}
str += secret
hash := md5.Sum([]byte(str))
return hex.EncodeToString(hash[:])
}
func SignAPIRequest(params map[string]string, secret string) string {
var pairs []string
for k, v := range params {
pairs = append(pairs, k+"="+url.QueryEscape(v))
}
signature := SignRequest(map[string]string{"api_key": params["api_key"], "method": params["method"]}, secret)
return signature
}
func FetchURL(client *http.Client, endpoint, method string, params map[string]string) (string, error) {
data := url.Values{}
for k, v := range params {
data.Set(k, v)
}
req, err := http.NewRequest(method, endpoint, strings.NewReader(data.Encode()))
if err != nil {
return "", err
}
req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
resp, err := client.Do(req)
if err != nil {
return "", err
}
defer resp.Body.Close()
body, err := io.ReadAll(resp.Body)
if err != nil {
return "", err
}
return string(body), nil
}

195
scrobble/listenbrainz.go Normal file
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package scrobble
import (
"encoding/json"
"fmt"
"io"
"net/http"
"os"
"strconv"
"strings"
"time"
)
type ListenbrainzHandler struct{}
func NewListenbrainzHandler() *ListenbrainzHandler {
return &ListenbrainzHandler{}
}
type SubmitListensRequest struct {
ListenType string `json:"listen_type"`
Payload []ListenPayload `json:"payload"`
}
type ListenPayload struct {
ListenedAt int64 `json:"listened_at"`
TrackMetadata TrackMetadata `json:"track_metadata"`
}
type TrackMetadata struct {
ArtistName string `json:"artist_name"`
TrackName string `json:"track_name"`
ReleaseName string `json:"release_name"`
AdditionalInfo AdditionalInfo `json:"additional_info"`
}
type AdditionalInfo struct {
Duration int `json:"duration"`
}
func (h *ListenbrainzHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
if r.Method != "POST" {
http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
return
}
apiKey := r.Header.Get("Authorization")
if apiKey == "" {
apiKey = r.URL.Query().Get("token")
}
if apiKey == "" {
h.respondError(w, "No authorization token provided", 401)
return
}
apiKey = stripBearer(apiKey)
userId, _, err := GetUserByAPIKey(apiKey)
if err != nil {
h.respondError(w, "Invalid authorization token", 401)
return
}
body, err := io.ReadAll(r.Body)
if err != nil {
h.respondError(w, "Invalid request body", 400)
return
}
defer r.Body.Close()
var req SubmitListensRequest
if err := json.Unmarshal(body, &req); err != nil {
h.respondError(w, "Invalid JSON", 400)
return
}
switch req.ListenType {
case "single":
h.handleScrobbles(w, userId, req.Payload)
case "playing_now":
h.handleNowPlaying(w, userId, req.Payload)
case "import":
h.handleScrobbles(w, userId, req.Payload)
default:
h.respondError(w, "Invalid listen_type", 400)
}
}
func (h *ListenbrainzHandler) respondError(w http.ResponseWriter, message string, code int) {
w.Header().Set("Content-Type", "application/json")
w.WriteHeader(code)
json.NewEncoder(w).Encode(map[string]string{
"status": "error",
"message": message,
})
}
func (h *ListenbrainzHandler) respondOK(w http.ResponseWriter) {
w.Header().Set("Content-Type", "application/json")
json.NewEncoder(w).Encode(map[string]string{
"status": "ok",
})
}
func (h *ListenbrainzHandler) handleScrobbles(w http.ResponseWriter, userId int, payload []ListenPayload) {
if len(payload) == 0 {
h.respondError(w, "No listens provided", 400)
return
}
scrobbles := make([]Scrobble, 0, len(payload))
for _, p := range payload {
duration := 0
if p.TrackMetadata.AdditionalInfo.Duration > 0 {
duration = p.TrackMetadata.AdditionalInfo.Duration * 1000
}
scrobbles = append(scrobbles, Scrobble{
UserId: userId,
Timestamp: time.Unix(p.ListenedAt, 0).UTC(),
SongName: p.TrackMetadata.TrackName,
Artist: p.TrackMetadata.ArtistName,
Album: p.TrackMetadata.ReleaseName,
MsPlayed: duration,
Platform: "listenbrainz",
})
}
accepted, ignored, err := SaveScrobbles(scrobbles)
if err != nil {
fmt.Fprintf(os.Stderr, "Error saving scrobbles: %v\n", err)
h.respondError(w, "Error saving scrobbles", 500)
return
}
w.Header().Set("Content-Type", "application/json")
json.NewEncoder(w).Encode(map[string]interface{}{
"status": "ok",
"accepted": accepted,
"ignored": ignored,
"mbids": []string{},
"submit_token": "",
})
}
func (h *ListenbrainzHandler) handleNowPlaying(w http.ResponseWriter, userId int, payload []ListenPayload) {
if len(payload) == 0 {
h.respondError(w, "No payload provided", 400)
return
}
p := payload[0]
duration := 0
if p.TrackMetadata.AdditionalInfo.Duration > 0 {
duration = p.TrackMetadata.AdditionalInfo.Duration * 1000
}
UpdateNowPlaying(NowPlaying{
UserId: userId,
SongName: p.TrackMetadata.TrackName,
Artist: p.TrackMetadata.ArtistName,
Album: p.TrackMetadata.ReleaseName,
MsPlayed: duration,
Platform: "listenbrainz",
UpdatedAt: time.Now(),
})
h.respondOK(w)
}
func stripBearer(token string) string {
if len(token) > 7 && strings.HasPrefix(token, "Bearer ") {
return token[7:]
}
if len(token) > 6 && strings.HasPrefix(token, "Token ") {
return token[6:]
}
return token
}
func ParseTimestamp(ts interface{}) (time.Time, error) {
switch v := ts.(type) {
case float64:
return time.Unix(int64(v), 0).UTC(), nil
case string:
i, err := strconv.ParseInt(v, 10, 64)
if err != nil {
return time.Time{}, err
}
return time.Unix(i, 0).UTC(), nil
default:
return time.Time{}, fmt.Errorf("unknown timestamp type")
}
}

359
scrobble/scrobble.go Normal file
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package scrobble
import (
"context"
"crypto/rand"
"encoding/hex"
"fmt"
"os"
"time"
"muzi/db"
"github.com/jackc/pgtype"
)
const DuplicateToleranceSeconds = 20
type Scrobble struct {
UserId int
Timestamp time.Time
SongName string
Artist string
Album string
MsPlayed int
Platform string
Source string
}
type NowPlaying struct {
UserId int
SongName string
Artist string
Album string
MsPlayed int
Platform string
UpdatedAt time.Time
}
var CurrentNowPlaying = make(map[int]map[string]NowPlaying)
func GenerateAPIKey() (string, error) {
bytes := make([]byte, 16)
_, err := rand.Read(bytes)
if err != nil {
return "", err
}
return hex.EncodeToString(bytes), nil
}
func GenerateAPISecret() (string, error) {
bytes := make([]byte, 16)
_, err := rand.Read(bytes)
if err != nil {
return "", err
}
return hex.EncodeToString(bytes), nil
}
func GenerateSessionKey() (string, error) {
bytes := make([]byte, 16)
_, err := rand.Read(bytes)
if err != nil {
return "", err
}
return hex.EncodeToString(bytes), nil
}
func GetUserByAPIKey(apiKey string) (int, string, error) {
if apiKey == "" {
return 0, "", fmt.Errorf("empty API key")
}
var userId int
var username string
err := db.Pool.QueryRow(context.Background(),
"SELECT pk, username FROM users WHERE api_key = $1", apiKey).Scan(&userId, &username)
if err != nil {
return 0, "", err
}
return userId, username, nil
}
func GetUserByUsername(username string) (int, error) {
if username == "" {
return 0, fmt.Errorf("empty username")
}
var userId int
err := db.Pool.QueryRow(context.Background(),
"SELECT pk FROM users WHERE username = $1", username).Scan(&userId)
if err != nil {
return 0, err
}
return userId, nil
}
func GetUserBySessionKey(sessionKey string) (int, string, error) {
if sessionKey == "" {
return 0, "", fmt.Errorf("empty session key")
}
var userId int
var username string
err := db.Pool.QueryRow(context.Background(),
"SELECT pk, username FROM users WHERE api_secret = $1", sessionKey).Scan(&userId, &username)
if err != nil {
return 0, "", err
}
return userId, username, nil
}
func SaveScrobble(scrobble Scrobble) error {
exists, err := checkDuplicate(scrobble.UserId, scrobble.Artist, scrobble.SongName, scrobble.Timestamp)
if err != nil {
return err
}
if exists {
return fmt.Errorf("duplicate scrobble")
}
_, err = db.Pool.Exec(context.Background(),
`INSERT INTO history (user_id, timestamp, song_name, artist, album_name, ms_played, platform)
VALUES ($1, $2, $3, $4, $5, $6, $7)
ON CONFLICT (user_id, song_name, artist, timestamp) DO NOTHING`,
scrobble.UserId, scrobble.Timestamp, scrobble.SongName, scrobble.Artist,
scrobble.Album, scrobble.MsPlayed, scrobble.Platform)
if err != nil {
fmt.Fprintf(os.Stderr, "Error saving scrobble: %v\n", err)
return err
}
return nil
}
func SaveScrobbles(scrobbles []Scrobble) (int, int, error) {
if len(scrobbles) == 0 {
return 0, 0, nil
}
accepted := 0
ignored := 0
batchSize := 100
for i := 0; i < len(scrobbles); i += batchSize {
end := i + batchSize
if end > len(scrobbles) {
end = len(scrobbles)
}
for _, scrobble := range scrobbles[i:end] {
err := SaveScrobble(scrobble)
if err != nil {
if err.Error() == "duplicate scrobble" {
ignored++
} else {
fmt.Fprintf(os.Stderr, "Error saving scrobble: %v\n", err)
}
continue
}
accepted++
}
}
return accepted, ignored, nil
}
func checkDuplicate(userId int, artist, songName string, timestamp time.Time) (bool, error) {
var exists bool
err := db.Pool.QueryRow(context.Background(),
`SELECT EXISTS(
SELECT 1 FROM history
WHERE user_id = $1
AND artist = $2
AND song_name = $3
AND ABS(EXTRACT(EPOCH FROM (timestamp - $4))) < $5
)`,
userId, artist, songName, timestamp, DuplicateToleranceSeconds).Scan(&exists)
if err != nil {
return false, err
}
return exists, nil
}
func UpdateNowPlaying(np NowPlaying) {
if CurrentNowPlaying[np.UserId] == nil {
CurrentNowPlaying[np.UserId] = make(map[string]NowPlaying)
}
CurrentNowPlaying[np.UserId][np.Platform] = np
}
func GetNowPlaying(userId int) (NowPlaying, bool) {
platforms := CurrentNowPlaying[userId]
if platforms == nil {
return NowPlaying{}, false
}
np, ok := platforms["lastfm_api"]
if ok && np.SongName != "" {
return np, true
}
np, ok = platforms["spotify"]
if ok && np.SongName != "" {
return np, true
}
return NowPlaying{}, false
}
func ClearNowPlaying(userId int) {
delete(CurrentNowPlaying, userId)
}
func ClearNowPlayingPlatform(userId int, platform string) {
if CurrentNowPlaying[userId] != nil {
delete(CurrentNowPlaying[userId], platform)
}
}
func GetUserSpotifyCredentials(userId int) (clientId, clientSecret, accessToken, refreshToken string, expiresAt time.Time, err error) {
var clientIdPg, clientSecretPg, accessTokenPg, refreshTokenPg pgtype.Text
var expiresAtPg pgtype.Timestamptz
err = db.Pool.QueryRow(context.Background(),
`SELECT spotify_client_id, spotify_client_secret, spotify_access_token,
spotify_refresh_token, spotify_token_expires
FROM users WHERE pk = $1`,
userId).Scan(&clientIdPg, &clientSecretPg, &accessTokenPg, &refreshTokenPg, &expiresAtPg)
if err != nil {
return "", "", "", "", time.Time{}, err
}
if clientIdPg.Status == pgtype.Present {
clientId = clientIdPg.String
}
if clientSecretPg.Status == pgtype.Present {
clientSecret = clientSecretPg.String
}
if accessTokenPg.Status == pgtype.Present {
accessToken = accessTokenPg.String
}
if refreshTokenPg.Status == pgtype.Present {
refreshToken = refreshTokenPg.String
}
if expiresAtPg.Status == pgtype.Present {
expiresAt = expiresAtPg.Time
}
return clientId, clientSecret, accessToken, refreshToken, expiresAt, nil
}
func UpdateUserSpotifyTokens(userId int, accessToken, refreshToken string, expiresIn int) error {
expiresAt := time.Now().Add(time.Duration(expiresIn) * time.Second)
_, err := db.Pool.Exec(context.Background(),
`UPDATE users SET
spotify_access_token = $1,
spotify_refresh_token = $2,
spotify_token_expires = $3
WHERE pk = $4`,
accessToken, refreshToken, expiresAt, userId)
return err
}
func UpdateUserSpotifyCheck(userId int) error {
_, err := db.Pool.Exec(context.Background(),
`UPDATE users SET last_spotify_check = $1 WHERE pk = $2`,
time.Now(), userId)
return err
}
func GetUsersWithSpotify() ([]int, error) {
rows, err := db.Pool.Query(context.Background(),
`SELECT pk FROM users WHERE spotify_client_id IS NOT NULL AND spotify_client_secret IS NOT NULL`)
if err != nil {
return nil, err
}
defer rows.Close()
var userIds []int
for rows.Next() {
var userId int
if err := rows.Scan(&userId); err != nil {
return nil, err
}
userIds = append(userIds, userId)
}
return userIds, nil
}
type User struct {
Pk int
Username string
Bio string
Pfp string
AllowDuplicateEdits bool
ApiKey *string
ApiSecret *string
SpotifyClientId *string
SpotifyClientSecret *string
}
func GetUserById(userId int) (User, error) {
var user User
var apiKey, apiSecret, spotifyClientId, spotifyClientSecret pgtype.Text
err := db.Pool.QueryRow(context.Background(),
`SELECT pk, username, bio, pfp, allow_duplicate_edits, api_key, api_secret,
spotify_client_id, spotify_client_secret
FROM users WHERE pk = $1`,
userId).Scan(&user.Pk, &user.Username, &user.Bio, &user.Pfp,
&user.AllowDuplicateEdits, &apiKey, &apiSecret, &spotifyClientId, &spotifyClientSecret)
if err != nil {
return User{}, err
}
if apiKey.Status == pgtype.Present {
user.ApiKey = &apiKey.String
}
if apiSecret.Status == pgtype.Present {
user.ApiSecret = &apiSecret.String
}
if spotifyClientId.Status == pgtype.Present {
user.SpotifyClientId = &spotifyClientId.String
}
if spotifyClientSecret.Status == pgtype.Present {
user.SpotifyClientSecret = &spotifyClientSecret.String
}
return user, nil
}
func UpdateUserAPIKey(userId int, apiKey, apiSecret string) error {
_, err := db.Pool.Exec(context.Background(),
`UPDATE users SET api_key = $1, api_secret = $2 WHERE pk = $3`,
apiKey, apiSecret, userId)
return err
}
func UpdateUserSpotifyCredentials(userId int, clientId, clientSecret string) error {
_, err := db.Pool.Exec(context.Background(),
`UPDATE users SET spotify_client_id = $1, spotify_client_secret = $2 WHERE pk = $3`,
clientId, clientSecret, userId)
return err
}
func DeleteUserSpotifyCredentials(userId int) error {
_, err := db.Pool.Exec(context.Background(),
`UPDATE users SET
spotify_client_id = NULL,
spotify_client_secret = NULL,
spotify_access_token = NULL,
spotify_refresh_token = NULL,
spotify_token_expires = NULL
WHERE pk = $1`,
userId)
return err
}
func (u *User) IsSpotifyConnected() bool {
_, _, accessToken, _, expiresAt, err := GetUserSpotifyCredentials(u.Pk)
if err != nil || accessToken == "" {
return false
}
return time.Now().Before(expiresAt)
}

510
scrobble/spotify.go Normal file
View File

@@ -0,0 +1,510 @@
package scrobble
import (
"context"
"encoding/json"
"fmt"
"io"
"net/http"
"net/url"
"os"
"strings"
"sync"
"time"
"muzi/db"
)
const SpotifyTokenURL = "https://accounts.spotify.com/api/token"
const SpotifyAuthURL = "https://accounts.spotify.com/authorize"
const SpotifyAPIURL = "https://api.spotify.com/v1"
var (
spotifyClient = &http.Client{Timeout: 30 * time.Second}
spotifyMu sync.Mutex
)
type SpotifyHandler struct{}
func NewSpotifyHandler() *SpotifyHandler {
return &SpotifyHandler{}
}
type SpotifyTokenResponse struct {
AccessToken string `json:"access_token"`
TokenType string `json:"token_type"`
ExpiresIn int `json:"expires_in"`
RefreshToken string `json:"refresh_token"`
Scope string `json:"scope"`
}
type SpotifyCurrentlyPlaying struct {
Timestamp int64 `json:"timestamp"`
ProgressMs int `json:"progress_ms"`
Item SpotifyTrack `json:"item"`
CurrentlyPlayingType string `json:"currently_playing_type"`
IsPlaying bool `json:"is_playing"`
}
type SpotifyTrack struct {
Id string `json:"id"`
Name string `json:"name"`
DurationMs int `json:"duration_ms"`
Artists []SpotifyArtist `json:"artists"`
Album SpotifyAlbum `json:"album"`
}
type SpotifyArtist struct {
Name string `json:"name"`
}
type SpotifyAlbum struct {
Name string `json:"name"`
}
type SpotifyRecentPlays struct {
Items []SpotifyPlayItem `json:"items"`
Cursors SpotifyCursors `json:"cursors"`
}
type SpotifyPlayItem struct {
Track SpotifyTrack `json:"track"`
PlayedAt string `json:"played_at"`
}
type SpotifyCursors struct {
After string `json:"after"`
Before string `json:"before"`
}
func (h *SpotifyHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
path := r.URL.Path
if path == "/scrobble/spotify/authorize" {
h.handleAuthorize(w, r)
} else if path == "/scrobble/spotify/callback" {
h.handleCallback(w, r)
} else {
http.Error(w, "Not found", http.StatusNotFound)
}
}
func (h *SpotifyHandler) handleAuthorize(w http.ResponseWriter, r *http.Request) {
userId := r.URL.Query().Get("user_id")
if userId == "" {
http.Error(w, "Missing user_id", http.StatusBadRequest)
return
}
clientId, _, _, _, _, err := GetUserSpotifyCredentials(userIdToInt(userId))
fmt.Fprintf(os.Stderr, "handleAuthorize: userId=%s, clientId='%s', err=%v\n", userId, clientId, err)
if err != nil || clientId == "" {
http.Error(w, "Spotify credentials not configured", http.StatusBadRequest)
return
}
baseURL := getBaseURL(r)
redirectURI := baseURL + "/scrobble/spotify/callback"
scope := "user-read-currently-playing user-read-recently-played"
authURL := fmt.Sprintf("%s?client_id=%s&response_type=code&redirect_uri=%s&scope=%s&state=%s",
SpotifyAuthURL, url.QueryEscape(clientId), url.QueryEscape(redirectURI), url.QueryEscape(scope), userId)
http.Redirect(w, r, authURL, http.StatusSeeOther)
}
func (h *SpotifyHandler) handleCallback(w http.ResponseWriter, r *http.Request) {
code := r.URL.Query().Get("code")
state := r.URL.Query().Get("state")
userId := userIdToInt(state)
if code == "" || state == "" {
http.Error(w, "Missing parameters", http.StatusBadRequest)
return
}
clientId, clientSecret, _, _, _, err := GetUserSpotifyCredentials(userId)
if err != nil || clientId == "" {
http.Error(w, "Spotify credentials not configured", http.StatusBadRequest)
return
}
baseURL := getBaseURL(r)
redirectURI := baseURL + "/scrobble/spotify/callback"
token, err := exchangeCodeForToken(clientId, clientSecret, code, redirectURI)
if err != nil {
fmt.Fprintf(os.Stderr, "Error exchanging code for token: %v\n", err)
http.Error(w, "Failed to authenticate", http.StatusInternalServerError)
return
}
err = UpdateUserSpotifyTokens(userId, token.AccessToken, token.RefreshToken, token.ExpiresIn)
if err != nil {
fmt.Fprintf(os.Stderr, "Error saving Spotify tokens: %v\n", err)
http.Error(w, "Failed to save credentials", http.StatusInternalServerError)
return
}
w.Header().Set("Content-Type", "text/html")
fmt.Fprintf(w, `<html><body><h1>Spotify connected successfully!</h1><p>You can close this window.</p><script>setTimeout(() => window.close(), 2000);</script></body></html>`)
}
func exchangeCodeForToken(clientId, clientSecret, code, redirectURI string) (*SpotifyTokenResponse, error) {
data := url.Values{}
data.Set("grant_type", "authorization_code")
data.Set("code", code)
data.Set("redirect_uri", redirectURI)
data.Set("client_id", clientId)
data.Set("client_secret", clientSecret)
req, err := http.NewRequest("POST", SpotifyTokenURL, strings.NewReader(data.Encode()))
if err != nil {
return nil, err
}
req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
resp, err := spotifyClient.Do(req)
if err != nil {
return nil, err
}
defer resp.Body.Close()
body, err := io.ReadAll(resp.Body)
if err != nil {
return nil, err
}
if resp.StatusCode != 200 {
return nil, fmt.Errorf("Spotify token exchange failed: %s", string(body))
}
var token SpotifyTokenResponse
if err := json.Unmarshal(body, &token); err != nil {
return nil, err
}
return &token, nil
}
func refreshSpotifyToken(clientId, clientSecret, refreshToken string) (*SpotifyTokenResponse, error) {
data := url.Values{}
data.Set("grant_type", "refresh_token")
data.Set("refresh_token", refreshToken)
data.Set("client_id", clientId)
data.Set("client_secret", clientSecret)
req, err := http.NewRequest("POST", SpotifyTokenURL, strings.NewReader(data.Encode()))
if err != nil {
return nil, err
}
req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
resp, err := spotifyClient.Do(req)
if err != nil {
return nil, err
}
defer resp.Body.Close()
body, err := io.ReadAll(resp.Body)
if err != nil {
return nil, err
}
if resp.StatusCode != 200 {
return nil, fmt.Errorf("Spotify token refresh failed: %s", string(body))
}
var token SpotifyTokenResponse
if err := json.Unmarshal(body, &token); err != nil {
return nil, err
}
return &token, nil
}
func StartSpotifyPoller() {
ticker := time.NewTicker(30 * time.Second)
go func() {
for range ticker.C {
spotifyMu.Lock()
users, err := GetUsersWithSpotify()
if err != nil {
fmt.Fprintf(os.Stderr, "Error getting users with Spotify: %v\n", err)
spotifyMu.Unlock()
continue
}
for _, userId := range users {
err := pollSpotify(userId)
if err != nil {
fmt.Fprintf(os.Stderr, "Error polling Spotify for user %d: %v\n", userId, err)
}
}
spotifyMu.Unlock()
}
}()
}
func pollSpotify(userId int) error {
clientId, clientSecret, accessToken, refreshToken, expiresAt, err := GetUserSpotifyCredentials(userId)
if err != nil {
return err
}
if accessToken == "" {
return fmt.Errorf("no access token")
}
if time.Now().After(expiresAt.Add(-60 * time.Second)) {
token, err := refreshSpotifyToken(clientId, clientSecret, refreshToken)
if err != nil {
return err
}
accessToken = token.AccessToken
if token.RefreshToken != "" {
refreshToken = token.RefreshToken
}
UpdateUserSpotifyTokens(userId, accessToken, refreshToken, token.ExpiresIn)
}
err = checkCurrentlyPlaying(userId, accessToken)
if err != nil {
fmt.Fprintf(os.Stderr, "Error checking currently playing: %v\n", err)
}
err = checkRecentPlays(userId, accessToken)
if err != nil {
fmt.Fprintf(os.Stderr, "Error checking recent plays: %v\n", err)
}
UpdateUserSpotifyCheck(userId)
return nil
}
func checkCurrentlyPlaying(userId int, accessToken string) error {
req, err := http.NewRequest("GET", SpotifyAPIURL+"/me/player/currently-playing", nil)
if err != nil {
return err
}
req.Header.Set("Authorization", "Bearer "+accessToken)
resp, err := spotifyClient.Do(req)
if err != nil {
return err
}
defer resp.Body.Close()
if resp.StatusCode == 204 {
ClearNowPlayingPlatform(userId, "spotify")
return nil
}
if resp.StatusCode != 200 {
return fmt.Errorf("currently playing returned %d", resp.StatusCode)
}
var playing SpotifyCurrentlyPlaying
if err := json.NewDecoder(resp.Body).Decode(&playing); err != nil {
return err
}
if !playing.IsPlaying || playing.Item.Name == "" {
ClearNowPlayingPlatform(userId, "spotify")
return nil
}
artistName := ""
if len(playing.Item.Artists) > 0 {
artistName = playing.Item.Artists[0].Name
}
checkAndScrobbleHalfway(userId, &playing.Item, playing.ProgressMs)
UpdateNowPlaying(NowPlaying{
UserId: userId,
SongName: playing.Item.Name,
Artist: artistName,
Album: playing.Item.Album.Name,
MsPlayed: playing.Item.DurationMs,
Platform: "spotify",
UpdatedAt: time.Now(),
})
return nil
}
func checkRecentPlays(userId int, accessToken string) error {
req, err := http.NewRequest("GET", SpotifyAPIURL+"/me/player/recently-played?limit=50", nil)
if err != nil {
return err
}
req.Header.Set("Authorization", "Bearer "+accessToken)
resp, err := spotifyClient.Do(req)
if err != nil {
return err
}
defer resp.Body.Close()
if resp.StatusCode != 200 {
return fmt.Errorf("recently played returned %d", resp.StatusCode)
}
var recent SpotifyRecentPlays
if err := json.NewDecoder(resp.Body).Decode(&recent); err != nil {
return err
}
if len(recent.Items) == 0 {
return nil
}
scrobbles := make([]Scrobble, 0, len(recent.Items))
for _, item := range recent.Items {
artistName := ""
if len(item.Track.Artists) > 0 {
artistName = item.Track.Artists[0].Name
}
ts, err := time.Parse(time.RFC3339, item.PlayedAt)
if err != nil {
fmt.Fprintf(os.Stderr, " -> failed to parse timestamp %s: %v\n", item.PlayedAt, err)
continue
}
scrobbles = append(scrobbles, Scrobble{
UserId: userId,
Timestamp: ts,
SongName: item.Track.Name,
Artist: artistName,
Album: item.Track.Album.Name,
MsPlayed: item.Track.DurationMs,
Platform: "spotify",
})
}
SaveScrobbles(scrobbles)
return nil
}
func userIdToInt(s string) int {
var id int
fmt.Sscanf(s, "%d", &id)
return id
}
func getBaseURL(r *http.Request) string {
scheme := "http"
if r.TLS != nil {
scheme = "https"
}
host := r.Host
if host == "localhost:1234" || host == "localhost" {
host = "127.0.0.1:1234"
}
return scheme + "://" + host
}
func GetSpotifyAuthURL(userId int, baseURL string) (string, error) {
clientId, _, _, _, _, err := GetUserSpotifyCredentials(userId)
if err != nil || clientId == "" {
return "", fmt.Errorf("Spotify credentials not configured")
}
redirectURI := baseURL + "/scrobble/spotify/callback"
scope := "user-read-currently-playing user-read-recently-played"
return fmt.Sprintf("%s?client_id=%s&response_type=code&redirect_uri=%s&scope=%s&state=%d",
SpotifyAuthURL, url.QueryEscape(clientId), url.QueryEscape(redirectURI), url.QueryEscape(scope), userId), nil
}
type LastTrack struct {
UserId int
TrackId string
SongName string
Artist string
AlbumName string
DurationMs int
ProgressMs int
UpdatedAt time.Time
}
func GetLastTrack(userId int) (*LastTrack, error) {
var track LastTrack
err := db.Pool.QueryRow(context.Background(),
`SELECT user_id, track_id, song_name, artist, album_name, duration_ms, progress_ms, updated_at
FROM spotify_last_track WHERE user_id = $1`,
userId).Scan(&track.UserId, &track.TrackId, &track.SongName, &track.Artist,
&track.AlbumName, &track.DurationMs, &track.ProgressMs, &track.UpdatedAt)
if err != nil {
return nil, err
}
return &track, nil
}
func SetLastTrack(userId int, trackId, songName, artist, albumName string, durationMs, progressMs int) error {
_, err := db.Pool.Exec(context.Background(),
`INSERT INTO spotify_last_track (user_id, track_id, song_name, artist, album_name, duration_ms, progress_ms, updated_at)
VALUES ($1, $2, $3, $4, $5, $6, $7, NOW())
ON CONFLICT (user_id) DO UPDATE SET
track_id = $2, song_name = $3, artist = $4, album_name = $5, duration_ms = $6, progress_ms = $7, updated_at = NOW()`,
userId, trackId, songName, artist, albumName, durationMs, progressMs)
if err != nil {
fmt.Fprintf(os.Stderr, "Error saving last track: %v\n", err)
return err
}
return nil
}
func checkAndScrobbleHalfway(userId int, currentTrack *SpotifyTrack, progressMs int) {
if currentTrack.Id == "" || currentTrack.DurationMs == 0 {
return
}
lastTrack, err := GetLastTrack(userId)
if err != nil {
if err.Error() == "no rows in result set" {
SetLastTrack(userId, currentTrack.Id, currentTrack.Name,
getArtistName(currentTrack.Artists), currentTrack.Album.Name, currentTrack.DurationMs, progressMs)
}
return
}
if lastTrack.TrackId != currentTrack.Id {
if lastTrack.DurationMs > 0 {
percentagePlayed := float64(lastTrack.ProgressMs) / float64(lastTrack.DurationMs)
if percentagePlayed >= 0.5 || lastTrack.ProgressMs >= 240000 {
msPlayed := lastTrack.ProgressMs
if msPlayed > lastTrack.DurationMs {
msPlayed = lastTrack.DurationMs
}
scrobble := Scrobble{
UserId: userId,
Timestamp: lastTrack.UpdatedAt,
SongName: lastTrack.SongName,
Artist: lastTrack.Artist,
Album: lastTrack.AlbumName,
MsPlayed: msPlayed,
Platform: "spotify",
}
SaveScrobble(scrobble)
}
}
SetLastTrack(userId, currentTrack.Id, currentTrack.Name,
getArtistName(currentTrack.Artists), currentTrack.Album.Name, currentTrack.DurationMs, progressMs)
} else {
SetLastTrack(userId, currentTrack.Id, currentTrack.Name,
getArtistName(currentTrack.Artists), currentTrack.Album.Name, currentTrack.DurationMs, progressMs)
}
}
func getArtistName(artists []SpotifyArtist) string {
if len(artists) > 0 {
return artists[0].Name
}
return ""
}

View File

@@ -0,0 +1,13 @@
<!--
version: "2.0"
unicode: "f69e"
-->
<svg
xmlns="http://www.w3.org/2000/svg"
width="24"
height="24"
viewBox="0 0 24 24"
fill="currentColor"
>
<path d="M14.647 4.081a.724 .724 0 0 0 1.08 .448c2.439 -1.485 5.23 1.305 3.745 3.744a.724 .724 0 0 0 .447 1.08c2.775 .673 2.775 4.62 0 5.294a.724 .724 0 0 0 -.448 1.08c1.485 2.439 -1.305 5.23 -3.744 3.745a.724 .724 0 0 0 -1.08 .447c-.673 2.775 -4.62 2.775 -5.294 0a.724 .724 0 0 0 -1.08 -.448c-2.439 1.485 -5.23 -1.305 -3.745 -3.744a.724 .724 0 0 0 -.447 -1.08c-2.775 -.673 -2.775 -4.62 0 -5.294a.724 .724 0 0 0 .448 -1.08c-1.485 -2.439 1.305 -5.23 3.744 -3.745a.722 .722 0 0 0 1.08 -.447c.673 -2.775 4.62 -2.775 5.294 0zm-2.647 4.919a3 3 0 1 0 0 6a3 3 0 0 0 0 -6" />
</svg>

After

Width:  |  Height:  |  Size: 732 B

View File

@@ -0,0 +1,14 @@
<!--
version: "2.39"
unicode: "fd19"
-->
<svg
xmlns="http://www.w3.org/2000/svg"
width="24"
height="24"
viewBox="0 0 24 24"
fill="currentColor"
>
<path d="M12 2a5 5 0 1 1 -5 5l.005 -.217a5 5 0 0 1 4.995 -4.783z" />
<path d="M14 14a5 5 0 0 1 5 5v1a2 2 0 0 1 -2 2h-10a2 2 0 0 1 -2 -2v-1a5 5 0 0 1 5 -5h4z" />
</svg>

After

Width:  |  Height:  |  Size: 328 B

View File

Before

Width:  |  Height:  |  Size: 7.7 KiB

After

Width:  |  Height:  |  Size: 7.7 KiB

32
static/menu.js Normal file
View File

@@ -0,0 +1,32 @@
document.addEventListener('DOMContentLoaded', function() {
const menuButton = document.getElementById('menuButton');
const sideMenu = document.getElementById('sideMenu');
const menuOverlay = document.getElementById('menuOverlay');
function toggleMenu() {
menuButton.classList.toggle('active');
sideMenu.classList.toggle('active');
menuOverlay.classList.toggle('active');
}
function closeMenu() {
menuButton.classList.remove('active');
sideMenu.classList.remove('active');
menuOverlay.classList.remove('active');
}
if (menuButton) {
menuButton.addEventListener('click', toggleMenu);
}
if (menuOverlay) {
menuOverlay.addEventListener('click', closeMenu);
}
// Close menu on escape key
document.addEventListener('keydown', function(e) {
if (e.key === 'Escape') {
closeMenu();
}
});
});

View File

@@ -1,17 +1,135 @@
body {
display: flex;
flex-direction: column;
background-color: #222;
color: #AFA;
align-content: center;
justify-content: center;
align-items: center;
text-align: center;
max-width: 70vw;
margin: 0 auto;
width: 70vw;
font-family: sans-serif;
}
body {
display: flex;
flex-direction: column;
background-color: #222;
color: #AFA;
align-content: center;
justify-content: center;
align-items: center;
text-align: center;
max-width: 70vw;
margin: 0 auto;
width: 70vw;
font-family: sans-serif;
padding-top: 80px;
}
/* Hamburger Menu Button - left side */
.menu-button {
position: fixed;
top: 20px;
left: 20px;
width: 40px;
height: 40px;
cursor: pointer;
z-index: 1000;
display: flex;
flex-direction: column;
justify-content: center;
align-items: center;
gap: 5px;
}
.menu-button span {
display: block;
width: 28px;
height: 3px;
background-color: #AFA;
border-radius: 2px;
transition: all 0.3s ease;
}
.menu-button.active span:nth-child(1) {
transform: rotate(45deg) translate(5px, 6px);
}
.menu-button.active span:nth-child(2) {
opacity: 0;
}
.menu-button.active span:nth-child(3) {
transform: rotate(-45deg) translate(5px, -6px);
}
/* Slide-out Menu */
.side-menu {
position: fixed;
top: 0;
left: -280px;
width: 280px;
height: 100vh;
background-color: #1a1a1a;
z-index: 999;
transition: left 0.3s ease;
display: flex;
flex-direction: column;
padding-top: 60px;
}
.side-menu.active {
left: 0;
}
.menu-header {
padding: 20px;
border-bottom: 1px solid #333;
}
.menu-header h3 {
margin: 0;
color: #AFA;
font-size: 24px;
}
.menu-nav {
display: flex;
flex-direction: column;
padding: 10px 0;
}
.menu-item {
display: flex;
align-items: center;
gap: 15px;
padding: 15px 20px;
color: #EEE;
text-decoration: none;
transition: background-color 0.2s;
}
.menu-item:hover {
background-color: #333;
}
.menu-item .menu-icon {
color: #FFF;
}
.menu-icon {
width: 24px;
height: 24px;
flex-shrink: 0;
filter: invert(1) brightness(1.5);
}
/* Menu Overlay */
.menu-overlay {
position: fixed;
top: 0;
left: 0;
width: 100%;
height: 100%;
background-color: rgba(0, 0, 0, 0.5);
z-index: 998;
opacity: 0;
visibility: hidden;
transition: opacity 0.3s ease, visibility 0.3s ease;
}
.menu-overlay.active {
opacity: 1;
visibility: visible;
}
.page_buttons {
display: flex;
@@ -146,6 +264,43 @@
background: #444;
}
/* Settings Tab Navigation */
.settings-tabs {
display: flex;
flex-direction: row;
border-bottom: 1px solid #333;
margin-bottom: 20px;
}
.tab-button {
padding: 12px 24px;
background: none;
border: none;
color: #888;
font-size: 16px;
cursor: pointer;
position: relative;
transition: color 0.2s;
}
.tab-button:hover {
color: #AFA;
}
.tab-button.active {
color: #AFA;
}
.tab-button.active::after {
content: '';
position: absolute;
bottom: -1px;
left: 0;
width: 100%;
height: 2px;
background-color: #AFA;
}
.progress-container {
margin-top: 15px;
padding: 15px;
@@ -242,3 +397,60 @@
font-size: 14px;
margin-top: 10px;
}
/* Tab Panels */
.tab-panel {
display: none;
}
.tab-panel.active {
display: block;
}
/* API Key Display */
.api-key-display {
margin: 15px 0;
display: flex;
flex-direction: column;
align-items: flex-start;
gap: 5px;
}
.api-key-display label {
color: #888;
font-size: 14px;
}
.api-key-display code {
background: #111;
padding: 8px 12px;
border-radius: 4px;
color: #AFA;
font-family: monospace;
word-break: break-all;
}
.success {
color: #8F8;
margin-top: 10px;
}
.info {
color: #888;
font-size: 14px;
margin-top: 10px;
}
a.button {
display: inline-block;
padding: 10px 20px;
background: #1DB954;
color: #fff;
text-decoration: none;
border-radius: 25px;
font-weight: bold;
}
a.button:hover {
background: #1ed760;
}

51
templates/base.gohtml Normal file
View File

@@ -0,0 +1,51 @@
{{define "base"}}
<!doctype html>
<html>
<head>
<link rel="stylesheet" href="/files/style.css" type="text/css">
<title>{{.Title}}</title>
{{block "head" .}}{{end}}
</head>
<body>
<!-- Hamburger Menu Button -->
<div class="menu-button" id="menuButton">
<span></span>
<span></span>
<span></span>
</div>
<!-- Slide-out Menu -->
<div class="side-menu" id="sideMenu">
<div class="menu-header">
<h3>muzi</h3>
</div>
<nav class="menu-nav">
{{if .LoggedInUsername}}
<a href="/profile/{{.LoggedInUsername}}" class="menu-item">
<img src="/files/assets/icons/user.svg" class="menu-icon" alt="Profile">
<span>My Profile</span>
</a>
{{else}}
<a href="/login" class="menu-item">
<img src="/files/assets/icons/user.svg" class="menu-icon" alt="Login">
<span>Login</span>
</a>
{{end}}
<a href="/settings" class="menu-item">
<img src="/files/assets/icons/settings.svg" class="menu-icon" alt="Settings">
<span>Settings</span>
</a>
</nav>
</div>
<!-- Overlay for closing menu -->
<div class="menu-overlay" id="menuOverlay"></div>
<!-- Main Content -->
{{ if eq .TemplateName "profile"}}{{block "profile" .}}{{end}}{{end}}
{{ if eq .TemplateName "settings"}}{{block "settings" .}}{{end}}{{end}}
<script src="/files/menu.js"></script>
</body>
</html>
{{end}}

View File

@@ -1,52 +1,47 @@
<!doctype html>
<html>
<head>
<link rel="stylesheet" href="/files/style.css" type="text/css">
<title>
muzi | {{.Username}}'s Profile
</title>
</head>
<body>
<div class="profile-top">
<img src="{{.Pfp}}" alt="{{.Username}}'s avatar">
<div class="username-bio">
<h1>{{.Username}}</h1>
<h2>{{.Bio}}</h2>
</div>
<div class="profile-top-blank">
</div>
<div class="user-stats-top">
<h3>{{formatInt .ScrobbleCount}}</h3> <p>Listens<p>
<h3>{{formatInt .ArtistCount}}</h3> <p>Artists<p>
</div>
{{define "profile"}}
<div class="profile-top">
<img src="{{.Pfp}}" alt="{{.Username}}'s avatar">
<div class="username-bio">
<h1>{{.Username}}</h1>
<h2>{{.Bio}}</h2>
</div>
<div class="profile-actions">
<a href="/import" class="btn">Import Data</a>
<div class="profile-top-blank">
</div>
<div class="history">
<h3>Listening History</h3>
<table>
<tr>
<th>Artist</th>
<th>Title</th>
<th>Timestamp</th>
</tr>
{{$artists := .Artists}}
{{$times := .Times}}
{{range $index, $title := .Titles}}
<tr>
<td>{{index $artists $index}}</td>
<td>{{$title}}</td>
<td>{{index $times $index}}</td>
</tr>
{{end}}
</table>
</div>
<div class="page_buttons">
{{if gt .Page 1 }}
<a href="/profile/{{.Username}}?page={{sub .Page 1}}">Prev Page</a>
<div class="user-stats-top">
<h3>{{formatInt .ScrobbleCount}}</h3> <p>Listens<p>
<h3>{{formatInt .ArtistCount}}</h3> <p>Artists<p>
</div>
</div>
<div class="history">
<h3>Listening History</h3>
<table>
<tr>
<th>Artist</th>
<th>Title</th>
<th>Timestamp</th>
</tr>
{{if .NowPlayingTitle}}
<tr>
<td>{{.NowPlayingArtist}}</td>
<td>{{.NowPlayingTitle}}</td>
<td>Now Playing</td>
</tr>
{{end}}
<a href="/profile/{{.Username}}?page={{add .Page 1}}">Next Page</a>
</div>
</body>
</html>
{{$artists := .Artists}}
{{$times := .Times}}
{{range $index, $title := .Titles}}
<tr>
<td>{{index $artists $index}}</td>
<td>{{$title}}</td>
<td title="{{formatTimestampFull (index $times $index)}}">{{formatTimestamp (index $times $index)}}</td>
</tr>
{{end}}
</table>
</div>
<div class="page_buttons">
{{if gt .Page 1 }}
<a href="/profile/{{.Username}}?page={{sub .Page 1}}">Prev Page</a>
{{end}}
<a href="/profile/{{.Username}}?page={{add .Page 1}}">Next Page</a>
</div>
{{end}}

126
templates/settings.gohtml Normal file
View File

@@ -0,0 +1,126 @@
{{define "settings"}}
<div class="settings-container">
<h1>Settings</h1>
<!-- Tab Navigation -->
<div class="settings-tabs">
<button class="tab-button active" data-tab="import">Import Data</button>
<button class="tab-button" data-tab="scrobble">Scrobble API</button>
</div>
<!-- Tab Content -->
<div class="tab-content">
<!-- Import Data Tab -->
<div class="tab-panel active" id="import">
<div class="import-section">
<h2>Spotify</h2>
<p>Import your Spotify listening history from your data export.</p>
<form id="spotify-form" method="POST" action="/settings/import/spotify" enctype="multipart/form-data">
<input type="file" name="json_files" accept=".json,application/json" multiple required>
<button type="submit">Upload Spotify Data</button>
</form>
<div id="spotify-progress" class="progress-container" style="display: none;">
<div class="progress-status" id="spotify-progress-status">Initializing...</div>
<div class="progress-bar-wrapper">
<div class="progress-bar-fill" id="spotify-progress-fill"></div>
<div class="progress-text" id="spotify-progress-text">0%</div>
</div>
<div class="progress-tracks" id="spotify-progress-tracks"></div>
<div class="progress-error" id="spotify-progress-error"></div>
<div class="progress-success" id="spotify-progress-success"></div>
</div>
</div>
<div class="import-section">
<h2>Last.fm</h2>
<p>Import your Last.fm scrobbles.</p>
<form id="lastfm-form" method="POST" action="/settings/import/lastfm">
<input type="text" name="lastfm_username" placeholder="Last.FM Username" required>
<input type="text" name="lastfm_api_key" placeholder="Last.FM API Key" required>
<button type="submit">Import from Last.fm</button>
</form>
<div id="lastfm-progress" class="progress-container" style="display: none;">
<div class="progress-status" id="lastfm-progress-status">Initializing...</div>
<div class="progress-bar-wrapper">
<div class="progress-bar-fill" id="lastfm-progress-fill"></div>
<div class="progress-text" id="lastfm-progress-text">0%</div>
</div>
<div class="progress-tracks" id="lastfm-progress-tracks"></div>
<div class="progress-error" id="lastfm-progress-error"></div>
<div class="progress-success" id="lastfm-progress-success"></div>
</div>
</div>
</div>
<!-- Scrobble API Tab -->
<div class="tab-panel" id="scrobble">
<div class="import-section">
<h2>API Keys</h2>
<p>Generate an API key to receive scrobbles from external apps.</p>
{{if .APIKey}}
<div class="api-key-display">
<label>API Key:</label>
<code>{{.APIKey}}</code>
</div>
<div class="api-key-display">
<label>API Secret:</label>
<code>{{.APISecret}}</code>
</div>
{{end}}
<form method="POST" action="/settings/generate-apikey">
<button type="submit">{{if .APIKey}}Regenerate{{else}}Generate{{end}} API Key</button>
</form>
</div>
<div class="import-section">
<h2>Endpoint URLs</h2>
<p>Use these URLs in your scrobbling apps:</p>
<div class="api-key-display">
<label>Last.fm Compatible:</label>
<code>/2.0/</code>
</div>
<div class="api-key-display">
<label>Listenbrainz JSON:</label>
<code>/1/submit-listens</code>
</div>
</div>
<div class="import-section">
<h2>Spotify Integration</h2>
<p>Connect your Spotify account to automatically import your listening history.</p>
<p>Create a Spotify app at <a href="https://developer.spotify.com/dashboard" target="_blank">developer.spotify.com</a> and enter your credentials below.</p>
<form method="POST" action="/settings/update-spotify">
<input type="text" name="spotify_client_id" placeholder="Spotify Client ID" value="{{.SpotifyClientId}}">
<input type="password" name="spotify_client_secret" placeholder="Spotify Client Secret">
<button type="submit">Save Spotify Credentials</button>
</form>
{{if and .SpotifyClientId (not .SpotifyConnected)}}
<p><a href="/settings/spotify-connect" class="button">Connect Spotify</a></p>
<p class="info">Click to authorize Muzi to access your Spotify account.</p>
{{end}}
{{if .SpotifyConnected}}
<p class="success">Spotify is connected and importing!</p>
{{end}}
</div>
</div>
</div>
</div>
<script src="/files/import.js"></script>
<script>
document.querySelectorAll('.tab-button').forEach(button => {
button.addEventListener('click', () => {
document.querySelectorAll('.tab-button').forEach(b => b.classList.remove('active'));
document.querySelectorAll('.tab-panel').forEach(p => p.classList.remove('active'));
button.classList.add('active');
document.getElementById(button.dataset.tab).classList.add('active');
});
});
</script>
{{end}}

183
web/auth.go Normal file
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package web
// Functions used to authenticate web UI users.
import (
"crypto/rand"
"encoding/hex"
"errors"
"fmt"
"net/http"
"os"
"muzi/db"
"golang.org/x/crypto/bcrypt"
)
// Generates a hex string 32 characters in length.
func generateID() (string, error) {
b := make([]byte, 16)
_, err := rand.Read(b)
if err != nil {
return "", err
}
return hex.EncodeToString(b), nil
}
// Returns a salted hash of a password if valid (8-64 chars).
func hashPassword(pass []byte) (string, error) {
if len([]rune(string(pass))) < 8 || len(pass) > 64 {
return "", errors.New("Error: Password must be greater than 8 chars.")
}
hashedPassword, err := bcrypt.GenerateFromPassword(pass, bcrypt.DefaultCost)
if err != nil {
fmt.Fprintf(os.Stderr, "Couldn't hash password: %v\n", err)
return "", err
}
return string(hashedPassword), nil
}
// Compares a plaintext password and a hashed password. Returns T/F depending
// on comparison result.
func verifyPassword(hashedPassword string, enteredPassword []byte) bool {
err := bcrypt.CompareHashAndPassword([]byte(hashedPassword), enteredPassword)
if err != nil {
fmt.Fprintf(os.Stderr, "Error while comparing passwords: %v\n", err)
return false
}
return true
}
// Handles the submission of new account credentials. Stores credentials in
// the users table. Sets a browser cookie for successful new users.
func createAccount(w http.ResponseWriter, r *http.Request) {
if r.Method == "POST" {
err := r.ParseForm()
if err != nil {
http.Error(w, err.Error(), http.StatusBadRequest)
return
}
username := r.FormValue("uname")
if len([]rune(string(username))) == 0 {
http.Redirect(w, r, "/createaccount?error=userlength", http.StatusSeeOther)
return
}
var usertaken bool
err = db.Pool.QueryRow(r.Context(),
"SELECT EXISTS(SELECT 1 FROM users WHERE username = $1)", username).
Scan(&usertaken)
if usertaken == true {
http.Redirect(w, r, "/createaccount?error=usertaken", http.StatusSeeOther)
return
}
hashedPassword, err := hashPassword([]byte(r.FormValue("pass")))
if err != nil {
fmt.Fprintf(os.Stderr, "Error hashing password: %v\n", err)
http.Redirect(w, r, "/createaccount?error=passlength", http.StatusSeeOther)
return
}
_, err = db.Pool.Exec(
r.Context(),
`INSERT INTO users (username, password) VALUES ($1, $2);`,
username,
hashedPassword,
)
if err != nil {
fmt.Fprintf(os.Stderr, "Cannot add new user to users table: %v\n", err)
http.Redirect(w, r, "/createaccount", http.StatusSeeOther)
} else {
sessionID := createSession(username)
if sessionID == "" {
http.Redirect(w, r, "/login?error=session", http.StatusSeeOther)
return
}
http.SetCookie(w, &http.Cookie{
Name: "session",
Value: sessionID,
Path: "/",
HttpOnly: true,
Secure: true,
SameSite: http.SameSiteLaxMode,
MaxAge: 86400 * 30,
})
http.Redirect(w, r, "/profile/"+username, http.StatusSeeOther)
}
}
}
// Renders the create account page
func createAccountPageHandler() http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
type data struct {
Error string
}
d := data{Error: "len"}
err := templates.ExecuteTemplate(w, "create_account.gohtml", d)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
}
}
}
// Handles submission of login credentials by checking if the username
// is in the database and the stored password for that username matches the
// given password. Sets browser cookie on successful login.
func loginSubmit(w http.ResponseWriter, r *http.Request) {
if r.Method == "POST" {
err := r.ParseForm()
if err != nil {
http.Error(w, err.Error(), http.StatusBadRequest)
return
}
username := r.FormValue("uname")
if username == "" {
http.Redirect(w, r, "/login?error=invalid-creds", http.StatusSeeOther)
return
}
password := r.FormValue("pass")
var storedPassword string
err = db.Pool.QueryRow(r.Context(), "SELECT password FROM users WHERE username = $1;", username).
Scan(&storedPassword)
if err != nil {
fmt.Fprintf(os.Stderr, "Cannot get password for entered username: %v\n", err)
}
if verifyPassword(storedPassword, []byte(password)) {
sessionID := createSession(username)
if sessionID == "" {
http.Redirect(w, r, "/login?error=session", http.StatusSeeOther)
return
}
http.SetCookie(w, &http.Cookie{
Name: "session",
Value: sessionID,
Path: "/",
HttpOnly: true,
Secure: true,
SameSite: http.SameSiteLaxMode,
MaxAge: 86400 * 30,
})
http.Redirect(w, r, "/profile/"+username, http.StatusSeeOther)
} else {
http.Redirect(w, r, "/login?error=invalid-creds", http.StatusSeeOther)
}
}
}
// Renders the login page
func loginPageHandler() http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
type data struct {
Error string
}
d := data{Error: r.URL.Query().Get("error")}
err := templates.ExecuteTemplate(w, "login.gohtml", d)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
}
}
}

311
web/import.go Normal file
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package web
// Functions that the web UI uses for importing
import (
"encoding/json"
"fmt"
"html/template"
"io"
"mime/multipart"
"net/http"
"os"
"strings"
"sync"
"muzi/migrate"
)
// Global vars to hold active import jobs and a mutex to lock access to
// importJobs
var (
importJobs = make(map[string]chan migrate.ProgressUpdate)
jobsMu sync.RWMutex
)
// Renders the import page
func importPageHandler() http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
username := getLoggedInUsername(r)
if username == "" {
http.Redirect(w, r, "/login", http.StatusSeeOther)
return
}
type ImportData struct {
Username string
}
data := ImportData{Username: username}
err := templates.ExecuteTemplate(w, "import.gohtml", data)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
}
}
}
// Validates and parses tracks from uploaded Spotify JSON files
func parseUploads(uploads []*multipart.FileHeader, w http.ResponseWriter) []migrate.SpotifyTrack {
if len(uploads) < 1 {
http.Error(w, "No files uploaded", http.StatusBadRequest)
return nil
}
if len(uploads) > 30 {
http.Error(w, "Too many files uploaded (30 max)", http.StatusBadRequest)
return nil
}
var allTracks []migrate.SpotifyTrack
for _, u := range uploads {
if u.Size > maxHeaderSize {
fmt.Fprintf(os.Stderr, "File too large: %s\n", u.Filename)
continue
}
if strings.Contains(u.Filename, "..") ||
strings.Contains(u.Filename, "/") ||
strings.Contains(u.Filename, "\x00") {
fmt.Fprintf(os.Stderr, "Invalid filename: %s\n", u.Filename)
continue
}
file, err := u.Open()
if err != nil {
fmt.Fprintf(os.Stderr, "Error opening %s: %v\n", u.Filename, err)
continue
}
reader := io.LimitReader(file, maxHeaderSize)
data, err := io.ReadAll(reader)
file.Close()
if err != nil {
fmt.Fprintf(os.Stderr, "Error reading %s: %v\n", u.Filename, err)
continue
}
if !json.Valid(data) {
http.Error(w, fmt.Sprintf("Invalid JSON in %s", u.Filename),
http.StatusBadRequest)
return nil
}
var tracks []migrate.SpotifyTrack
if err := json.Unmarshal(data, &tracks); err != nil {
fmt.Fprintf(os.Stderr,
"Error parsing %s: %v\n", u.Filename, err)
continue
}
allTracks = append(allTracks, tracks...)
}
return allTracks
}
// Imports the uploaded JSON files into the database
func importSpotifyHandler(w http.ResponseWriter, r *http.Request) {
username := getLoggedInUsername(r)
if username == "" {
http.Error(w, "Unauthorized", http.StatusUnauthorized)
return
}
if r.Method != "POST" {
http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
return
}
userId, err := getUserIdByUsername(r.Context(), username)
if err != nil {
fmt.Fprintf(os.Stderr, "Cannot find user %s: %v\n", username, err)
http.Error(w, "User not found", http.StatusNotFound)
return
}
err = r.ParseMultipartForm(32 * 1024 * 1024) // 32 MiB
if err != nil {
http.Error(w, "Error parsing form", http.StatusBadRequest)
return
}
allTracks := parseUploads(r.MultipartForm.File["json_files"], w)
if allTracks == nil {
return
}
jobID, err := generateID()
if err != nil {
fmt.Fprintf(os.Stderr, "Error generating jobID: %v\n", err)
http.Error(w, "Error generating jobID", http.StatusBadRequest)
return
}
progressChan := make(chan migrate.ProgressUpdate, 100)
jobsMu.Lock()
importJobs[jobID] = progressChan
jobsMu.Unlock()
go func() {
migrate.ImportSpotify(allTracks, userId, progressChan)
jobsMu.Lock()
delete(importJobs, jobID)
jobsMu.Unlock()
}()
w.Header().Set("Content-Type", "application/json")
json.NewEncoder(w).Encode(map[string]string{
"job_id": jobID,
"status": "started",
})
}
// Fetch a LastFM account's scrobbles and insert them into the database
func importLastFMHandler(w http.ResponseWriter, r *http.Request) {
username := getLoggedInUsername(r)
if username == "" {
http.Error(w, "Unauthorized", http.StatusUnauthorized)
return
}
if r.Method != "POST" {
http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
return
}
userId, err := getUserIdByUsername(r.Context(), username)
if err != nil {
fmt.Fprintf(os.Stderr, "Cannot find user %s: %v\n", username, err)
http.Error(w, "User not found", http.StatusNotFound)
return
}
err = r.ParseForm()
if err != nil {
http.Error(w, err.Error(), http.StatusBadRequest)
return
}
lastfmUsername := template.HTMLEscapeString(r.FormValue("lastfm_username"))
lastfmAPIKey := template.HTMLEscapeString(r.FormValue("lastfm_api_key"))
if lastfmUsername == "" || lastfmAPIKey == "" {
http.Error(w, "Missing required fields", http.StatusBadRequest)
return
}
jobID, err := generateID()
if err != nil {
fmt.Fprintf(os.Stderr, "Error generating jobID: %v\n", err)
http.Error(w, "Error generating jobID", http.StatusBadRequest)
return
}
progressChan := make(chan migrate.ProgressUpdate, 100)
jobsMu.Lock()
importJobs[jobID] = progressChan
jobsMu.Unlock()
go func() {
migrate.ImportLastFM(lastfmUsername, lastfmAPIKey, userId, progressChan,
username)
jobsMu.Lock()
delete(importJobs, jobID)
jobsMu.Unlock()
}()
w.Header().Set("Content-Type", "application/json")
json.NewEncoder(w).Encode(map[string]string{
"job_id": jobID,
"status": "started",
})
}
// Controls the progress bar for a LastFM import
func importLastFMProgressHandler(w http.ResponseWriter, r *http.Request) {
jobID := r.URL.Query().Get("job")
if jobID == "" {
http.Error(w, "Missing job ID", http.StatusBadRequest)
return
}
jobsMu.RLock()
job, exists := importJobs[jobID]
jobsMu.RUnlock()
if !exists {
http.Error(w, "Job not found", http.StatusNotFound)
return
}
w.Header().Set("Content-Type", "text/event-stream")
w.Header().Set("Cache-Control", "no-cache")
w.Header().Set("Connection", "keep-alive")
w.Header().Set("Access-Control-Allow-Origin", "*")
flusher, ok := w.(http.Flusher)
if !ok {
http.Error(w, "Streaming not supported", http.StatusInternalServerError)
return
}
fmt.Fprintf(w, "data: %s\n\n", `{"status":"connected"}`)
flusher.Flush()
for update := range job {
data, err := json.Marshal(update)
if err != nil {
continue
}
fmt.Fprintf(w, "data: %s\n\n", string(data))
flusher.Flush()
if update.Status == "completed" || update.Status == "error" {
return
}
}
}
// Controls the progress bar for a Spotify import
func importSpotifyProgressHandler(w http.ResponseWriter, r *http.Request) {
jobID := r.URL.Query().Get("job")
if jobID == "" {
http.Error(w, "Missing job ID", http.StatusBadRequest)
return
}
jobsMu.RLock()
job, exists := importJobs[jobID]
jobsMu.RUnlock()
if !exists {
http.Error(w, "Job not found", http.StatusNotFound)
return
}
w.Header().Set("Content-Type", "text/event-stream")
w.Header().Set("Cache-Control", "no-cache")
w.Header().Set("Connection", "keep-alive")
w.Header().Set("Access-Control-Allow-Origin", "*")
flusher, ok := w.(http.Flusher)
if !ok {
http.Error(w, "Streaming not supported", http.StatusInternalServerError)
return
}
fmt.Fprintf(w, "data: %s\n\n", `{"status":"connected"}`)
flusher.Flush()
for update := range job {
data, err := json.Marshal(update)
if err != nil {
continue
}
fmt.Fprintf(w, "data: %s\n\n", string(data))
flusher.Flush()
if update.Status == "completed" || update.Status == "error" {
return
}
}
}

125
web/profile.go Normal file
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package web
// Functions used for user profiles in the web UI
import (
"fmt"
"net/http"
"os"
"strconv"
"time"
"muzi/db"
"muzi/scrobble"
"github.com/go-chi/chi/v5"
"github.com/jackc/pgtype"
)
type ProfileData struct {
Username string
Bio string
Pfp string
AllowDuplicateEdits bool
ScrobbleCount int
ArtistCount int
Artists []string
Titles []string
Times []time.Time
Page int
Title string
LoggedInUsername string
TemplateName string
NowPlayingArtist string
NowPlayingTitle string
}
// Render a page of the profile in the URL
func profilePageHandler() http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
username := chi.URLParam(r, "username")
userId, err := getUserIdByUsername(r.Context(), username)
if err != nil {
fmt.Fprintf(os.Stderr, "Cannot find user %s: %v\n", username, err)
http.Error(w, "User not found", http.StatusNotFound)
return
}
pageStr := r.URL.Query().Get("page")
var pageInt int
if pageStr == "" {
pageInt = 1
} else {
pageInt, err = strconv.Atoi(pageStr)
if err != nil {
fmt.Fprintf(os.Stderr, "Cannot convert page URL query from string to int: %v\n", err)
pageInt = 1
}
}
lim := 15
off := (pageInt - 1) * lim
var profileData ProfileData
profileData.Username = username
profileData.Page = pageInt
profileData.Title = username + "'s Profile"
profileData.LoggedInUsername = getLoggedInUsername(r)
profileData.TemplateName = "profile"
err = db.Pool.QueryRow(
r.Context(),
`SELECT bio, pfp, allow_duplicate_edits,
(SELECT COUNT(*) FROM history WHERE user_id = $1) as scrobble_count,
(SELECT COUNT(DISTINCT artist) FROM history WHERE user_id = $1) as artist_count
FROM users WHERE pk = $1;`,
userId,
).Scan(&profileData.Bio, &profileData.Pfp, &profileData.AllowDuplicateEdits, &profileData.ScrobbleCount, &profileData.ArtistCount)
if err != nil {
fmt.Fprintf(os.Stderr, "Cannot get profile for %s: %v\n", username, err)
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
if pageInt == 1 {
if np, ok := scrobble.GetNowPlaying(userId); ok {
profileData.NowPlayingArtist = np.Artist
profileData.NowPlayingTitle = np.SongName
}
}
rows, err := db.Pool.Query(
r.Context(),
"SELECT artist, song_name, timestamp FROM history WHERE user_id = $1 ORDER BY timestamp DESC LIMIT $2 OFFSET $3;",
userId,
lim,
off,
)
if err != nil {
fmt.Fprintf(os.Stderr, "SELECT history failed: %v\n", err)
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
defer rows.Close()
for rows.Next() {
var artist, title string
var time pgtype.Timestamptz
err = rows.Scan(&artist, &title, &time)
if err != nil {
fmt.Fprintf(os.Stderr, "Scanning history row failed: %v\n", err)
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
profileData.Artists = append(profileData.Artists, artist)
profileData.Titles = append(profileData.Titles, title)
profileData.Times = append(profileData.Times, time.Time)
}
err = templates.ExecuteTemplate(w, "base", profileData)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
}
}
}

78
web/session.go Normal file
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package web
// Functions that handle browser login sessions
import (
"context"
"fmt"
"net/http"
"os"
"muzi/db"
)
type Session struct {
Username string
}
func createSession(username string) string {
sessionID, err := generateID()
if err != nil {
fmt.Fprintf(os.Stderr, "Error generating sessionID: %v\n", err)
return ""
}
_, err = db.Pool.Exec(
context.Background(),
"INSERT INTO sessions (session_id, username, expires_at) VALUES ($1, $2, NOW() + INTERVAL '30 days');",
sessionID,
username,
)
if err != nil {
fmt.Fprintf(os.Stderr, "Error creating session: %v\n", err)
return ""
}
return sessionID
}
func getSession(ctx context.Context, sessionID string) *Session {
var username string
err := db.Pool.QueryRow(
ctx,
"SELECT username FROM sessions WHERE session_id = $1 AND expires_at > NOW();",
sessionID,
).Scan(&username)
if err != nil {
return nil
}
return &Session{Username: username}
}
func deleteSession(sessionID string) {
_, err := db.Pool.Exec(
context.Background(),
"DELETE FROM sessions WHERE session_id = $1;",
sessionID,
)
if err != nil {
fmt.Fprintf(os.Stderr, "Error deleting session: %v\n", err)
}
}
func getLoggedInUsername(r *http.Request) string {
cookie, err := r.Cookie("session")
if err != nil {
return ""
}
session := getSession(r.Context(), cookie.Value)
if session == nil {
return ""
}
return session.Username
}
func getUserIdByUsername(ctx context.Context, username string) (int, error) {
var userId int
err := db.Pool.QueryRow(ctx, "SELECT pk FROM users WHERE username = $1;", username).
Scan(&userId)
return userId, err
}

167
web/settings.go Normal file
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package web
import (
"fmt"
"net/http"
"os"
"muzi/scrobble"
)
type settingsData struct {
Title string
LoggedInUsername string
TemplateName string
APIKey string
APISecret string
SpotifyClientId string
SpotifyConnected bool
}
func settingsPageHandler() http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
username := getLoggedInUsername(r)
if username == "" {
http.Redirect(w, r, "/login", http.StatusSeeOther)
return
}
userId, err := getUserIdByUsername(r.Context(), username)
if err != nil {
http.Error(w, "User not found", http.StatusInternalServerError)
return
}
user, err := scrobble.GetUserById(userId)
if err != nil {
http.Error(w, "Error loading user", http.StatusInternalServerError)
return
}
d := settingsData{
Title: "muzi | Settings",
LoggedInUsername: username,
TemplateName: "settings",
APIKey: "",
APISecret: "",
SpotifyClientId: "",
SpotifyConnected: user.IsSpotifyConnected(),
}
if user.ApiKey != nil {
d.APIKey = *user.ApiKey
}
if user.ApiSecret != nil {
d.APISecret = *user.ApiSecret
}
if user.SpotifyClientId != nil {
d.SpotifyClientId = *user.SpotifyClientId
}
err = templates.ExecuteTemplate(w, "base", d)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
}
}
}
func generateAPIKeyHandler(w http.ResponseWriter, r *http.Request) {
username := getLoggedInUsername(r)
if username == "" {
http.Redirect(w, r, "/login", http.StatusSeeOther)
return
}
userId, err := getUserIdByUsername(r.Context(), username)
if err != nil {
http.Error(w, "User not found", http.StatusInternalServerError)
return
}
apiKey, err := scrobble.GenerateAPIKey()
if err != nil {
fmt.Fprintf(os.Stderr, "Error generating API key: %v\n", err)
http.Error(w, "Error generating API key", http.StatusInternalServerError)
return
}
apiSecret, err := scrobble.GenerateAPISecret()
if err != nil {
fmt.Fprintf(os.Stderr, "Error generating API secret: %v\n", err)
http.Error(w, "Error generating API secret", http.StatusInternalServerError)
return
}
err = scrobble.UpdateUserAPIKey(userId, apiKey, apiSecret)
if err != nil {
fmt.Fprintf(os.Stderr, "Error saving API key: %v\n", err)
http.Error(w, "Error saving API key", http.StatusInternalServerError)
return
}
http.Redirect(w, r, "/settings", http.StatusSeeOther)
}
func updateSpotifyCredentialsHandler(w http.ResponseWriter, r *http.Request) {
username := getLoggedInUsername(r)
if username == "" {
http.Redirect(w, r, "/login", http.StatusSeeOther)
return
}
userId, err := getUserIdByUsername(r.Context(), username)
if err != nil {
http.Error(w, "User not found", http.StatusInternalServerError)
return
}
clientId := r.FormValue("spotify_client_id")
clientSecret := r.FormValue("spotify_client_secret")
if clientId == "" || clientSecret == "" {
err = scrobble.DeleteUserSpotifyCredentials(userId)
if err != nil {
fmt.Fprintf(os.Stderr, "Error removing Spotify credentials: %v\n", err)
}
} else {
err = scrobble.UpdateUserSpotifyCredentials(userId, clientId, clientSecret)
if err != nil {
fmt.Fprintf(os.Stderr, "Error saving Spotify credentials: %v\n", err)
http.Error(w, "Error saving Spotify credentials", http.StatusInternalServerError)
return
}
}
http.Redirect(w, r, "/settings", http.StatusSeeOther)
}
func spotifyConnectHandler(w http.ResponseWriter, r *http.Request) {
username := getLoggedInUsername(r)
if username == "" {
http.Redirect(w, r, "/login", http.StatusSeeOther)
return
}
userId, err := getUserIdByUsername(r.Context(), username)
if err != nil {
http.Error(w, "User not found", http.StatusInternalServerError)
return
}
user, err := scrobble.GetUserById(userId)
if err != nil {
fmt.Fprintf(os.Stderr, "spotifyConnectHandler: GetUserById error: %v\n", err)
http.Redirect(w, r, "/settings", http.StatusSeeOther)
return
}
fmt.Fprintf(os.Stderr, "spotifyConnectHandler: userId=%d, SpotifyClientId=%v\n", userId, user.SpotifyClientId)
if user.SpotifyClientId == nil || *user.SpotifyClientId == "" {
fmt.Fprintf(os.Stderr, "spotifyConnectHandler: SpotifyClientId is nil or empty, redirecting to settings\n")
http.Redirect(w, r, "/settings", http.StatusSeeOther)
return
}
http.Redirect(w, r, fmt.Sprintf("/scrobble/spotify/authorize?user_id=%d", userId), http.StatusSeeOther)
}

58
web/utils.go Normal file
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package web
// Functions used in the HTML templates
import (
"fmt"
"time"
)
// Subtracts two integers
func sub(a int, b int) int {
return a - b
}
// Adds two integers
func add(a int, b int) int {
return a + b
}
// Put a comma in the thousands place, ten-thousands place etc.
func formatInt(n int) string {
if n < 1000 {
return fmt.Sprintf("%d", n)
} else {
return formatInt(n/1000) + "," + fmt.Sprintf("%03d", n%1000)
}
}
// Formats timestamps compared to local time
func formatTimestamp(timestamp time.Time) string {
now := time.Now()
duration := now.Sub(timestamp)
if duration < 24*time.Hour {
seconds := int(duration.Seconds())
if seconds < 60 {
return fmt.Sprintf("%d seconds ago", seconds)
}
minutes := seconds / 60
if minutes < 60 {
return fmt.Sprintf("%d minutes ago", minutes)
}
hours := minutes / 60
return fmt.Sprintf("%d hours ago", hours)
}
year := now.Year()
if timestamp.Year() == year {
return timestamp.Format("2 Jan 3:04pm")
}
return timestamp.Format("2 Jan 2006 3:04pm")
}
// Full timestamp format for browser hover
func formatTimestampFull(timestamp time.Time) string {
return timestamp.Format("Monday 2 Jan 2006, 3:04pm")
}

View File

@@ -1,704 +1,107 @@
package web
// Main web UI controller
import (
"context"
"crypto/rand"
"encoding/hex"
"encoding/json"
"errors"
"fmt"
"html/template"
"io"
"mime/multipart"
"net/http"
"os"
"strconv"
"strings"
"sync"
"muzi/db"
"muzi/migrate"
"golang.org/x/crypto/bcrypt"
"muzi/scrobble"
"github.com/go-chi/chi/v5"
"github.com/go-chi/chi/v5/middleware"
"github.com/jackc/pgtype"
)
// 50 MB
const serverAddr = "127.0.0.1:1234"
// 50 MiB
const maxHeaderSize int64 = 50 * 1024 * 1024
// will add permissions later
type Session struct {
Username string
func serverAddrStr() string {
return serverAddr
}
var (
importJobs = make(map[string]chan migrate.ProgressUpdate)
jobsMu sync.RWMutex
templates *template.Template
)
// Holds all the parsed HTML templates
var templates *template.Template
// Declares all functions for the HTML templates and parses them
func init() {
funcMap := template.FuncMap{
"sub": sub,
"add": add,
"formatInt": formatInt,
"sub": sub,
"add": add,
"formatInt": formatInt,
"formatTimestamp": formatTimestamp,
"formatTimestampFull": formatTimestampFull,
}
templates = template.Must(template.New("").Funcs(funcMap).ParseGlob("./templates/*.gohtml"))
}
func generateID() (string, error) {
b := make([]byte, 16)
_, err := rand.Read(b)
// Returns T/F if a user is found in the users table
func hasUsers(ctx context.Context) bool {
var count int
err := db.Pool.QueryRow(ctx, "SELECT COUNT(*) FROM users;").Scan(&count)
if err != nil {
return "", err
}
return hex.EncodeToString(b), nil
}
func createSession(username string) string {
sessionID, err := generateID()
if err != nil {
fmt.Fprintf(os.Stderr, "Error generating sessionID: %v\n", err)
return ""
}
_, err = db.Pool.Exec(
context.Background(),
"INSERT INTO sessions (session_id, username, expires_at) VALUES ($1, $2, NOW() + INTERVAL '30 days');",
sessionID,
username,
)
if err != nil {
fmt.Fprintf(os.Stderr, "Error creating session: %v\n", err)
return ""
}
return sessionID
}
func getSession(ctx context.Context, sessionID string) *Session {
var username string
err := db.Pool.QueryRow(
ctx,
"SELECT username FROM sessions WHERE session_id = $1 AND expires_at > NOW();",
sessionID,
).Scan(&username)
if err != nil {
return nil
}
return &Session{Username: username}
}
// for account deletion later
func deleteSession(sessionID string) {
_, err := db.Pool.Exec(
context.Background(),
"DELETE FROM sessions WHERE session_id = $1;",
sessionID,
)
if err != nil {
fmt.Fprintf(os.Stderr, "Error deleting session: %v\n", err)
}
}
func getLoggedInUsername(r *http.Request) string {
cookie, err := r.Cookie("session")
if err != nil {
return ""
}
session := getSession(r.Context(), cookie.Value)
if session == nil {
return ""
}
return session.Username
}
type ProfileData struct {
Username string
Bio string
Pfp string
AllowDuplicateEdits bool
ScrobbleCount int
ArtistCount int
Artists []string
Titles []string
Times []string
Page int
}
func sub(a int, b int) int {
return a - b
}
func add(a int, b int) int {
return a + b
}
func formatInt(n int) string {
if n < 1000 {
return fmt.Sprintf("%d", n)
} else {
return formatInt(n/1000) + "," + fmt.Sprintf("%03d", n%1000)
}
}
func getUserIdByUsername(ctx context.Context, username string) (int, error) {
var userId int
err := db.Pool.QueryRow(ctx, "SELECT pk FROM users WHERE username = $1;", username).
Scan(&userId)
return userId, err
}
func hashPassword(pass []byte) (string, error) {
if len([]rune(string(pass))) < 8 || len(pass) > 64 {
return "", errors.New("Error: Password must be greater than 8 chars.")
}
hashedPassword, err := bcrypt.GenerateFromPassword(pass, bcrypt.DefaultCost)
if err != nil {
fmt.Fprintf(os.Stderr, "Couldn't hash password: %v\n", err)
return "", err
}
return string(hashedPassword), nil
}
func verifyPassword(hashedPassword string, enteredPassword []byte) bool {
err := bcrypt.CompareHashAndPassword([]byte(hashedPassword), enteredPassword)
if err != nil {
fmt.Fprintf(os.Stderr, "Error while comparing passwords: %v\n", err)
fmt.Fprintf(os.Stderr, "Error checking for users: %v\n", err)
return false
}
return true
return count > 0
}
func createAccount(w http.ResponseWriter, r *http.Request) {
if r.Method == "POST" {
err := r.ParseForm()
if err != nil {
http.Error(w, err.Error(), http.StatusBadRequest)
return
}
username := r.FormValue("uname")
if len([]rune(string(username))) == 0 {
http.Redirect(w, r, "/createaccount?error=userlength", http.StatusSeeOther)
return
}
var usertaken bool
err = db.Pool.QueryRow(r.Context(),
"SELECT EXISTS(SELECT 1 FROM users WHERE username = $1)", username).
Scan(&usertaken)
if usertaken == true {
http.Redirect(w, r, "/createaccount?error=usertaken", http.StatusSeeOther)
return
}
hashedPassword, err := hashPassword([]byte(r.FormValue("pass")))
if err != nil {
fmt.Fprintf(os.Stderr, "Error hashing password: %v\n", err)
http.Redirect(w, r, "/createaccount?error=passlength", http.StatusSeeOther)
return
}
_, err = db.Pool.Exec(
r.Context(),
`INSERT INTO users (username, password) VALUES ($1, $2);`,
username,
hashedPassword,
)
if err != nil {
fmt.Fprintf(os.Stderr, "Cannot add new user to users table: %v\n", err)
// Controls what is displayed at the root URL.
// If logged in: Logged in user's profile page.
// If logged out: Login page.
// If no users in DB yet: Create account page.
func rootHandler() http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
if !hasUsers(r.Context()) {
http.Redirect(w, r, "/createaccount", http.StatusSeeOther)
} else {
sessionID := createSession(username)
if sessionID == "" {
http.Redirect(w, r, "/login?error=session", http.StatusSeeOther)
return
}
http.SetCookie(w, &http.Cookie{
Name: "session",
Value: sessionID,
Path: "/",
HttpOnly: true,
Secure: true,
SameSite: http.SameSiteLaxMode,
MaxAge: 86400 * 30, // 30 days
})
http.Redirect(w, r, "/profile/"+username, http.StatusSeeOther)
}
}
}
func createAccountPageHandler() http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
type data struct {
Error string
}
d := data{Error: "len"}
err := templates.ExecuteTemplate(w, "create_account.gohtml", d)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
}
}
}
func loginSubmit(w http.ResponseWriter, r *http.Request) {
if r.Method == "POST" {
err := r.ParseForm()
if err != nil {
http.Error(w, err.Error(), http.StatusBadRequest)
return
}
username := r.FormValue("uname")
if username == "" {
http.Redirect(w, r, "/login?error=invalid-creds", http.StatusSeeOther)
return
}
password := r.FormValue("pass")
var storedPassword string
err = db.Pool.QueryRow(r.Context(), "SELECT password FROM users WHERE username = $1;", username).
Scan(&storedPassword)
if err != nil {
fmt.Fprintf(os.Stderr, "Cannot get password for entered username: %v\n", err)
}
if verifyPassword(storedPassword, []byte(password)) {
sessionID := createSession(username)
if sessionID == "" {
http.Redirect(w, r, "/login?error=session", http.StatusSeeOther)
return
}
http.SetCookie(w, &http.Cookie{
Name: "session",
Value: sessionID,
Path: "/",
HttpOnly: true,
Secure: true,
SameSite: http.SameSiteLaxMode,
MaxAge: 86400 * 30, // 30 days
})
http.Redirect(w, r, "/profile/"+username, http.StatusSeeOther)
} else {
http.Redirect(w, r, "/login?error=invalid-creds", http.StatusSeeOther)
}
}
}
func loginPageHandler() http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
type data struct {
Error string
}
d := data{Error: r.URL.Query().Get("error")}
err := templates.ExecuteTemplate(w, "login.gohtml", d)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
}
}
}
func profilePageHandler() http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
username := chi.URLParam(r, "username")
userId, err := getUserIdByUsername(r.Context(), username)
if err != nil {
fmt.Fprintf(os.Stderr, "Cannot find user %s: %v\n", username, err)
http.Error(w, "User not found", http.StatusNotFound)
return
}
pageStr := r.URL.Query().Get("page")
var pageInt int
if pageStr == "" {
pageInt = 1
} else {
pageInt, err = strconv.Atoi(pageStr)
if err != nil {
fmt.Fprintf(os.Stderr, "Cannot convert page URL query from string to int: %v\n", err)
pageInt = 1
}
}
lim := 15
off := (pageInt - 1) * lim
var profileData ProfileData
profileData.Username = username
profileData.Page = pageInt
err = db.Pool.QueryRow(
r.Context(),
`SELECT bio, pfp, allow_duplicate_edits,
(SELECT COUNT(*) FROM history WHERE user_id = $1) as scrobble_count,
(SELECT COUNT(DISTINCT artist) FROM history WHERE user_id = $1) as artist_count
FROM users WHERE pk = $1;`,
userId,
).Scan(&profileData.Bio, &profileData.Pfp, &profileData.AllowDuplicateEdits, &profileData.ScrobbleCount, &profileData.ArtistCount)
if err != nil {
fmt.Fprintf(os.Stderr, "Cannot get profile for %s: %v\n", username, err)
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
rows, err := db.Pool.Query(
r.Context(),
"SELECT artist, song_name, timestamp FROM history WHERE user_id = $1 ORDER BY timestamp DESC LIMIT $2 OFFSET $3;",
userId,
lim,
off,
)
if err != nil {
fmt.Fprintf(os.Stderr, "SELECT history failed: %v\n", err)
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
defer rows.Close()
for rows.Next() {
var artist, title string
var time pgtype.Timestamptz
err = rows.Scan(&artist, &title, &time)
if err != nil {
fmt.Fprintf(os.Stderr, "Scanning history row failed: %v\n", err)
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
profileData.Artists = append(profileData.Artists, artist)
profileData.Titles = append(profileData.Titles, title)
profileData.Times = append(profileData.Times, time.Time.String())
}
err = templates.ExecuteTemplate(w, "profile.gohtml", profileData)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
}
}
}
func updateDuplicateEditsSetting(w http.ResponseWriter, r *http.Request) {
if r.Method == "POST" {
err := r.ParseForm()
if err != nil {
http.Error(w, err.Error(), http.StatusBadRequest)
return
}
username := r.FormValue("username")
allow := r.FormValue("allow") == "true"
_, err = db.Pool.Exec(
r.Context(),
`UPDATE users SET allow_duplicate_edits = $1 WHERE username = $2;`,
allow,
username,
)
if err != nil {
fmt.Fprintf(os.Stderr, "Error updating setting: %v\n", err)
}
http.Redirect(w, r, "/profile/"+username, http.StatusSeeOther)
}
}
func importPageHandler() http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
username := getLoggedInUsername(r)
if username == "" {
http.Redirect(w, r, "/login", http.StatusSeeOther)
return
}
type ImportData struct {
Username string
}
data := ImportData{Username: username}
err := templates.ExecuteTemplate(w, "import.gohtml", data)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
}
}
}
func checkUploads(uploads []*multipart.FileHeader, w http.ResponseWriter) []migrate.SpotifyTrack {
if len(uploads) < 1 {
http.Error(w, "No files uploaded", http.StatusBadRequest)
return nil
}
if len(uploads) > 30 {
http.Error(w, "Too many files uploaded (30 max)", http.StatusBadRequest)
return nil
}
var allTracks []migrate.SpotifyTrack
for _, u := range uploads {
if u.Size > maxHeaderSize {
fmt.Fprintf(os.Stderr, "File too large: %s\n", u.Filename)
continue
}
if strings.Contains(u.Filename, "..") ||
strings.Contains(u.Filename, "/") ||
strings.Contains(u.Filename, "\x00") {
fmt.Fprintf(os.Stderr, "Invalid filename: %s\n", u.Filename)
continue
}
file, err := u.Open()
if err != nil {
fmt.Fprintf(os.Stderr, "Error opening %s: %v\n", u.Filename, err)
continue
}
reader := io.LimitReader(file, maxHeaderSize)
data, err := io.ReadAll(reader)
file.Close()
if err != nil {
fmt.Fprintf(os.Stderr, "Error reading %s: %v\n", u.Filename, err)
continue
}
if !json.Valid(data) {
http.Error(w, fmt.Sprintf("Invalid JSON in %s", u.Filename),
http.StatusBadRequest)
return nil
}
var tracks []migrate.SpotifyTrack
if err := json.Unmarshal(data, &tracks); err != nil {
fmt.Fprintf(os.Stderr,
"Error parsing %s: %v\n", u.Filename, err)
continue
}
allTracks = append(allTracks, tracks...)
}
return allTracks
}
func importSpotifyHandler(w http.ResponseWriter, r *http.Request) {
username := getLoggedInUsername(r)
if username == "" {
http.Error(w, "Unauthorized", http.StatusUnauthorized)
return
}
if r.Method != "POST" {
http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
return
}
userId, err := getUserIdByUsername(r.Context(), username)
if err != nil {
fmt.Fprintf(os.Stderr, "Cannot find user %s: %v\n", username, err)
http.Error(w, "User not found", http.StatusNotFound)
return
}
// 32MB memory max
err = r.ParseMultipartForm(32 << 20)
if err != nil {
http.Error(w, "Error parsing form", http.StatusBadRequest)
return
}
allTracks := checkUploads(r.MultipartForm.File["json_files"], w)
if allTracks == nil {
return
}
jobID, err := generateID()
if err != nil {
fmt.Fprintf(os.Stderr, "Error generating jobID: %v\n", err)
http.Error(w, "Error generating jobID", http.StatusBadRequest)
return
}
progressChan := make(chan migrate.ProgressUpdate, 100)
jobsMu.Lock()
importJobs[jobID] = progressChan
jobsMu.Unlock()
go func() {
migrate.ImportSpotify(allTracks, userId, progressChan)
jobsMu.Lock()
delete(importJobs, jobID)
jobsMu.Unlock()
close(progressChan)
}()
w.Header().Set("Content-Type", "application/json")
json.NewEncoder(w).Encode(map[string]string{
"job_id": jobID,
"status": "started",
})
}
func importLastFMHandler(w http.ResponseWriter, r *http.Request) {
username := getLoggedInUsername(r)
if username == "" {
http.Error(w, "Unauthorized", http.StatusUnauthorized)
return
}
if r.Method != "POST" {
http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
return
}
userId, err := getUserIdByUsername(r.Context(), username)
if err != nil {
fmt.Fprintf(os.Stderr, "Cannot find user %s: %v\n", username, err)
http.Error(w, "User not found", http.StatusNotFound)
return
}
err = r.ParseForm()
if err != nil {
http.Error(w, err.Error(), http.StatusBadRequest)
return
}
lastfmUsername := template.HTMLEscapeString(r.FormValue("lastfm_username"))
lastfmAPIKey := template.HTMLEscapeString(r.FormValue("lastfm_api_key"))
if lastfmUsername == "" || lastfmAPIKey == "" {
http.Error(w, "Missing required fields", http.StatusBadRequest)
return
}
jobID, err := generateID()
if err != nil {
fmt.Fprintf(os.Stderr, "Error generating jobID: %v\n", err)
http.Error(w, "Error generating jobID", http.StatusBadRequest)
return
}
progressChan := make(chan migrate.ProgressUpdate, 100)
jobsMu.Lock()
importJobs[jobID] = progressChan
jobsMu.Unlock()
go func() {
migrate.ImportLastFM(lastfmUsername, lastfmAPIKey, userId, progressChan,
username)
jobsMu.Lock()
delete(importJobs, jobID)
jobsMu.Unlock()
close(progressChan)
}()
w.Header().Set("Content-Type", "application/json")
json.NewEncoder(w).Encode(map[string]string{
"job_id": jobID,
"status": "started",
})
}
func importLastFMProgressHandler(w http.ResponseWriter, r *http.Request) {
jobID := r.URL.Query().Get("job")
if jobID == "" {
http.Error(w, "Missing job ID", http.StatusBadRequest)
return
}
jobsMu.RLock()
job, exists := importJobs[jobID]
jobsMu.RUnlock()
if !exists {
http.Error(w, "Job not found", http.StatusNotFound)
return
}
w.Header().Set("Content-Type", "text/event-stream")
w.Header().Set("Cache-Control", "no-cache")
w.Header().Set("Connection", "keep-alive")
w.Header().Set("Access-Control-Allow-Origin", "*")
flusher, ok := w.(http.Flusher)
if !ok {
http.Error(w, "Streaming not supported", http.StatusInternalServerError)
return
}
fmt.Fprintf(w, "data: %s\n\n", `{"status":"connected"}`)
flusher.Flush()
for update := range job {
data, err := json.Marshal(update)
if err != nil {
continue
}
fmt.Fprintf(w, "data: %s\n\n", string(data))
flusher.Flush()
if update.Status == "completed" || update.Status == "error" {
return
}
}
}
func importSpotifyProgressHandler(w http.ResponseWriter, r *http.Request) {
jobID := r.URL.Query().Get("job")
if jobID == "" {
http.Error(w, "Missing job ID", http.StatusBadRequest)
return
}
jobsMu.RLock()
job, exists := importJobs[jobID]
jobsMu.RUnlock()
if !exists {
http.Error(w, "Job not found", http.StatusNotFound)
return
}
w.Header().Set("Content-Type", "text/event-stream")
w.Header().Set("Cache-Control", "no-cache")
w.Header().Set("Connection", "keep-alive")
w.Header().Set("Access-Control-Allow-Origin", "*")
flusher, ok := w.(http.Flusher)
if !ok {
http.Error(w, "Streaming not supported", http.StatusInternalServerError)
return
}
fmt.Fprintf(w, "data: %s\n\n", `{"status":"connected"}`)
flusher.Flush()
for update := range job {
data, err := json.Marshal(update)
if err != nil {
continue
}
fmt.Fprintf(w, "data: %s\n\n", string(data))
flusher.Flush()
if update.Status == "completed" || update.Status == "error" {
return
}
http.Redirect(w, r, "/profile/"+username, http.StatusSeeOther)
}
}
// Serves all pages at the specified address.
func Start() {
addr := ":1234"
addr := serverAddr
r := chi.NewRouter()
r.Use(middleware.Logger)
r.Handle("/files/*", http.StripPrefix("/files", http.FileServer(http.Dir("./static"))))
r.Get("/", rootHandler())
r.Get("/login", loginPageHandler())
r.Get("/createaccount", createAccountPageHandler())
r.Get("/profile/{username}", profilePageHandler())
r.Get("/import", importPageHandler())
r.Post("/loginsubmit", loginSubmit)
r.Post("/createaccountsubmit", createAccount)
r.Post("/settings/duplicate-edits", updateDuplicateEditsSetting)
r.Post("/import/lastfm", importLastFMHandler)
r.Post("/import/spotify", importSpotifyHandler)
r.Get("/import/lastfm/progress", importLastFMProgressHandler)
r.Get("/import/spotify/progress", importSpotifyProgressHandler)
r.Handle("/2.0", scrobble.NewLastFMHandler())
r.Handle("/2.0/", scrobble.NewLastFMHandler())
r.Post("/1/submit-listens", http.HandlerFunc(scrobble.NewListenbrainzHandler().ServeHTTP))
r.Route("/scrobble/spotify", func(r chi.Router) {
r.Get("/authorize", http.HandlerFunc(scrobble.NewSpotifyHandler().ServeHTTP))
r.Get("/callback", http.HandlerFunc(scrobble.NewSpotifyHandler().ServeHTTP))
})
r.Get("/settings/spotify-connect", spotifyConnectHandler)
r.Get("/settings", settingsPageHandler())
r.Post("/settings/generate-apikey", generateAPIKeyHandler)
r.Post("/settings/update-spotify", updateSpotifyCredentialsHandler)
fmt.Printf("WebUI starting on %s\n", addr)
prot := http.NewCrossOriginProtection()
http.ListenAndServe(addr, prot.Handler(r))