algo/qmc/key_mmkv.go

@@ -80,35 +80,6 @@ func readKeyFromMMKV(file string, logger *zap.Logger) ([]byte, error) {
 	return deriveKey(buf)
 }
 
-func OpenMMKV(vaultPath string, vaultKey string, logger *zap.Logger) error {
-	filePath, fileName := filepath.Split(vaultPath)
-	mgr, err := mmkv.NewManager(filepath.Dir(filePath))
-	if err != nil {
-		return fmt.Errorf("init mmkv manager: %w", err)
-	}
-
-	streamKeyVault, err = mgr.OpenVaultCrypto(fileName, vaultKey)
-	if err != nil {
-		return fmt.Errorf("open mmkv vault: %w", err)
-	}
-
-	logger.Debug("mmkv vault opened", zap.Strings("keys", streamKeyVault.Keys()))
-	return nil
-}
-
-func readKeyFromMMKVCustom(mid string) ([]byte, error) {
-	if streamKeyVault == nil {
-		return nil, fmt.Errorf("mmkv vault not loaded")
-	}
-
-	// get ekey from mmkv vault
-	eKey, err := streamKeyVault.GetBytes(mid)
-	if err != nil {
-		return nil, fmt.Errorf("get eKey error: %w", err)
-	}
-	return deriveKey(eKey)
-}
-
 func getRelativeMMKVDir(file string) (string, error) {
 	mmkvDir := filepath.Join(filepath.Dir(file), "../mmkv")
 	if _, err := os.Stat(mmkvDir); err != nil {

algo/qmc/qmc.go

@@ -5,12 +5,13 @@ import (
 	"encoding/binary"
 	"errors"
 	"fmt"
-	"go.uber.org/zap"
 	"io"
 	"runtime"
 	"strconv"
 	"strings"
 
+	"go.uber.org/zap"
+
 	"unlock-music.dev/cli/algo/common"
 	"unlock-music.dev/cli/internal/sniff"
 )
@@ -144,18 +145,6 @@ func (d *Decoder) searchKey() (err error) {
 		return d.readRawMetaQTag()
 	case "STag":
 		return errors.New("qmc: file with 'STag' suffix doesn't contains media key")
-	case "cex\x00":
-		footer := qqMusicTagMusicEx{}
-		audioLen, err := footer.Read(d.raw)
-		if err != nil {
-			return err
-		}
-		d.audioLen = int(audioLen)
-		d.decodedKey, err = readKeyFromMMKVCustom(footer.mediafile)
-		if err != nil {
-			return err
-		}
-		return nil
 	default:
 		size := binary.LittleEndian.Uint32(suffixBuf)
 

algo/qmc/qmc_footer_musicex.go

@@ -1,65 +0,0 @@
-package qmc
-
-import (
-	"encoding/binary"
-	"fmt"
-	"io"
-)
-
-type qqMusicTagMusicEx struct {
-	songid        uint32 // Song ID
-	unknown_1     uint32 // unused & unknown
-	unknown_2     uint32 // unused & unknown
-	mid           string // Media ID
-	mediafile     string // real file name
-	unknown_3     uint32 // unused; uninitialized memory?
-	sizeof_struct uint32 // 19.57: fixed value: 0xC0
-	version       uint32 // 19.57: fixed value: 0x01
-	tag_magic     []byte // fixed value "musicex\0" (8 bytes)
-}
-
-func (tag *qqMusicTagMusicEx) Read(raw io.ReadSeeker) (int64, error) {
-	_, err := raw.Seek(-16, io.SeekEnd)
-	if err != nil {
-		return 0, fmt.Errorf("musicex seek error: %w", err)
-	}
-
-	footerBuf := make([]byte, 4)
-	footerBuf, err = io.ReadAll(io.LimitReader(raw, 4))
-	if err != nil {
-		return 0, fmt.Errorf("get musicex error: %w", err)
-	}
-	footerLen := int64(binary.LittleEndian.Uint32(footerBuf))
-
-	audioLen, err := raw.Seek(-footerLen, io.SeekEnd)
-	buf, err := io.ReadAll(io.LimitReader(raw, audioLen))
-	if err != nil {
-		return 0, err
-	}
-
-	tag.songid = binary.LittleEndian.Uint32(buf[0:4])
-	tag.unknown_1 = binary.LittleEndian.Uint32(buf[4:8])
-	tag.unknown_2 = binary.LittleEndian.Uint32(buf[8:12])
-
-	for i := 0; i < 30; i++ {
-		u := binary.LittleEndian.Uint16(buf[12+i*2 : 12+(i+1)*2])
-		if u == 0 {
-			break
-		}
-		tag.mid += string(u)
-	}
-	for i := 0; i < 50; i++ {
-		u := binary.LittleEndian.Uint16(buf[72+i*2 : 72+(i+1)*2])
-		if u == 0 {
-			break
-		}
-		tag.mediafile += string(u)
-	}
-
-	tag.unknown_3 = binary.LittleEndian.Uint32(buf[173:177])
-	tag.sizeof_struct = binary.LittleEndian.Uint32(buf[177:181])
-	tag.version = binary.LittleEndian.Uint32(buf[181:185])
-	tag.tag_magic = buf[185:193]
-
-	return audioLen, nil
-}

cmd/um/main.go

@@ -5,9 +5,6 @@ import (
 	"context"
 	"errors"
 	"fmt"
-	"github.com/fsnotify/fsnotify"
-	"github.com/urfave/cli/v2"
-	"go.uber.org/zap"
 	"io"
 	"os"
 	"os/signal"
@@ -18,11 +15,15 @@ import (
 	"strings"
 	"time"
 
+	"github.com/fsnotify/fsnotify"
+	"github.com/urfave/cli/v2"
+	"go.uber.org/zap"
+
 	"unlock-music.dev/cli/algo/common"
 	_ "unlock-music.dev/cli/algo/kgm"
 	_ "unlock-music.dev/cli/algo/kwm"
 	_ "unlock-music.dev/cli/algo/ncm"
-	"unlock-music.dev/cli/algo/qmc"
+	_ "unlock-music.dev/cli/algo/qmc"
 	_ "unlock-music.dev/cli/algo/tm"
 	_ "unlock-music.dev/cli/algo/xiami"
 	_ "unlock-music.dev/cli/algo/ximalaya"
@@ -49,8 +50,6 @@ func main() {
 		Flags: []cli.Flag{
 			&cli.StringFlag{Name: "input", Aliases: []string{"i"}, Usage: "path to input file or dir", Required: false},
 			&cli.StringFlag{Name: "output", Aliases: []string{"o"}, Usage: "path to output dir", Required: false},
-			&cli.StringFlag{Name: "vault-file", Aliases: []string{"db"}, Usage: "数据库文件位置 (请确保crc文件在同目录下)", Required: false},
-			&cli.StringFlag{Name: "vault-key", Aliases: []string{"key"}, Usage: "数据库密钥 (length 32)", Required: false},
 			&cli.BoolFlag{Name: "remove-source", Aliases: []string{"rs"}, Usage: "remove source file", Required: false, Value: false},
 			&cli.BoolFlag{Name: "skip-noop", Aliases: []string{"n"}, Usage: "skip noop decoder", Required: false, Value: true},
 			&cli.BoolFlag{Name: "update-metadata", Usage: "update metadata & album art from network", Required: false, Value: false},
@@ -131,15 +130,6 @@ func appMain(c *cli.Context) (err error) {
 		return errors.New("output should be a writable directory")
 	}
 
-	vaultPath := c.String("vault-file")
-	vaultKey := c.String("vault-key")
-	if vaultPath != "" && vaultKey != "" {
-		err := qmc.OpenMMKV(vaultPath, vaultKey, logger)
-		if err != nil {
-			return err
-		}
-	}
-
 	proc := &processor{
 		outputDir:       output,
 		skipNoopDecoder: c.Bool("skip-noop"),