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feat(qmc): use editorial distance to find the key

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pull/46/head
Unlock Music Dev 2 years ago
parent 423767ba63
commit 3739638ddf
No known key found for this signature in database
GPG Key ID: 95202E10D3413A1D
4 changed files with 57 additions and 19 deletions
Show Stats Download Patch File Download Diff File

41
algo/qmc/key_mmkv.go
Unescape Escape View File

@ -8,7 +8,10 @@ import (
"runtime"
"strings"
"github.com/hbollon/go-edlib"
"github.com/samber/lo"
"go.uber.org/zap"
"golang.org/x/exp/slices"
"unlock-music.dev/mmkv"
)
@ -47,11 +50,13 @@ func readKeyFromMMKV(file string, logger *zap.Logger) ([]byte, error) {
logger.Debug("mmkv vault opened", zap.Strings("keys", streamKeyVault.Keys()))
}
buf, err := streamKeyVault.GetBytes(file)
if err != nil { // fallback match filename only
_, partName := filepath.Split(file)
keys := streamKeyVault.Keys()
for _, key := range keys {
buf, err := streamKeyVault.GetBytes(file)
if buf == nil {
filePaths := streamKeyVault.Keys()
for _, key := range filePaths { // fallback 1: match filename only
if !strings.HasSuffix(key, partName) {
continue
}
@ -60,9 +65,31 @@ func readKeyFromMMKV(file string, logger *zap.Logger) ([]byte, error) {
logger.Warn("read key from mmkv", zap.String("key", key), zap.Error(err))
}
}
// TODO: use editorial judgement to select the best match
// since MacOS may change some characters in the file name.
// eg. "ぜ" -> "ぜ"
if buf == nil { // fallback 2: match filename with edit distance
// use editorial judgement to select the best match
// since macOS may change some characters in the file name.
// e.g. "ぜ"(e3 81 9c) -> "ぜ"(e3 81 9b e3 82 99)
fileNames := lo.Map(filePaths, func(filePath string, _ int) string {
_, name := filepath.Split(filePath)
return name
})
minDisStr, err := edlib.FuzzySearch(partName, fileNames, edlib.Levenshtein)
if err != nil {
logger.Warn("fuzzy search failed", zap.Error(err))
}
// TODO: make distance configurable
// for now, assume only 1 character changed to 2 characters
if edlib.LevenshteinDistance(partName, minDisStr) < 3 {
idx := slices.Index(fileNames, minDisStr)
buf, err = streamKeyVault.GetBytes(filePaths[idx])
if err != nil {
logger.Warn("read key from mmkv", zap.String("key", minDisStr), zap.Error(err))
}
}
}
}
if len(buf) == 0 {

2
algo/qmc/qmc.go
Unescape Escape View File

@ -111,7 +111,7 @@ func (d *Decoder) searchKey() (err error) {
fileSize := int(fileSizeM4) + 4
//goland:noinspection GoBoolExpressions
if runtime.GOOS == "darwin" {
if runtime.GOOS == "darwin" && !strings.HasPrefix(d.params.Extension, ".qmc") {
d.decodedKey, err = readKeyFromMMKV(d.params.FilePath, d.logger)
if err == nil {
d.audioLen = fileSize

14
go.mod
Unescape Escape View File

@ -1,21 +1,23 @@
module unlock-music.dev/cli
go 1.17
go 1.19
require (
github.com/urfave/cli/v2 v2.23.5
go.uber.org/zap v1.23.0
github.com/hbollon/go-edlib v1.6.0
github.com/samber/lo v1.36.0
github.com/urfave/cli/v2 v2.23.6
go.uber.org/zap v1.24.0
golang.org/x/crypto v0.3.0
google.golang.org/protobuf v1.28.1
golang.org/x/exp v0.0.0-20221204150635-6dcec336b2bb
unlock-music.dev/mmkv v0.0.0-20221204231432-41a75bd29939
)
require (
github.com/cpuguy83/go-md2man/v2 v2.0.2 // indirect
github.com/golang/protobuf v1.5.0 // indirect
github.com/golang/protobuf v1.5.2 // indirect
github.com/russross/blackfriday/v2 v2.1.0 // indirect
github.com/xrash/smetrics v0.0.0-20201216005158-039620a65673 // indirect
go.uber.org/atomic v1.10.0 // indirect
go.uber.org/multierr v1.8.0 // indirect
golang.org/x/exp v0.0.0-20221204150635-6dcec336b2bb // indirect
google.golang.org/protobuf v1.28.1 // indirect
)

19
go.sum
Unescape Escape View File

@ -6,19 +6,28 @@ github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/golang/protobuf v1.5.0 h1:LUVKkCeviFUMKqHa4tXIIij/lbhnMbP7Fn5wKdKkRh4=
github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
github.com/google/go-cmp v0.5.5 h1:Khx7svrCpmxxtHBq5j2mp/xVjsi8hQMfNLvJFAlrGgU=
github.com/golang/protobuf v1.5.2 h1:ROPKBNFfQgOUMifHyP+KYbvpjbdoFNs+aK7DXlji0Tw=
github.com/golang/protobuf v1.5.2/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY=
github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
github.com/google/go-cmp v0.5.8 h1:e6P7q2lk1O+qJJb4BtCQXlK8vWEO8V1ZeuEdJNOqZyg=
github.com/hbollon/go-edlib v1.6.0 h1:ga7AwwVIvP8mHm9GsPueC0d71cfRU/52hmPJ7Tprv4E=
github.com/hbollon/go-edlib v1.6.0/go.mod h1:wnt6o6EIVEzUfgbUZY7BerzQ2uvzp354qmS2xaLkrhM=
github.com/pkg/errors v0.8.1 h1:iURUrRGxPUNPdy5/HRSm+Yj6okJ6UtLINN0Q9M4+h3I=
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
github.com/russross/blackfriday/v2 v2.1.0 h1:JIOH55/0cWyOuilr9/qlrm0BSXldqnqwMsf35Ld67mk=
github.com/russross/blackfriday/v2 v2.1.0/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
github.com/samber/lo v1.36.0 h1:4LaOxH1mHnbDGhTVE0i1z8v/lWaQW8AIfOD3HU4mSaw=
github.com/samber/lo v1.36.0/go.mod h1:HLeWcJRRyLKp3+/XBJvOrerCQn9mhdKMHyd7IRlgeQ8=
github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
github.com/stretchr/testify v1.8.0 h1:pSgiaMZlXftHpm5L7V1+rVB+AZJydKsMxsQBIJw4PKk=
github.com/stretchr/testify v1.8.1 h1:w7B6lhMri9wdJUVmEZPGGhZzrYTPvgJArz7wNPgYKsk=
github.com/thoas/go-funk v0.9.1 h1:O549iLZqPpTUQ10ykd26sZhzD+rmR5pWhuElrhbC20M=
github.com/urfave/cli/v2 v2.23.5 h1:xbrU7tAYviSpqeR3X4nEFWUdB/uDZ6DE+HxmRU7Xtyw=
github.com/urfave/cli/v2 v2.23.5/go.mod h1:GHupkWPMM0M/sj1a2b4wUrWBPzazNrIjouW6fmdJLxc=
github.com/urfave/cli/v2 v2.23.6 h1:iWmtKD+prGo1nKUtLO0Wg4z9esfBM4rAV4QRLQiEmJ4=
github.com/urfave/cli/v2 v2.23.6/go.mod h1:GHupkWPMM0M/sj1a2b4wUrWBPzazNrIjouW6fmdJLxc=
github.com/xrash/smetrics v0.0.0-20201216005158-039620a65673 h1:bAn7/zixMGCfxrRTfdpNzjtPYqr8smhKouy9mxVdGPU=
github.com/xrash/smetrics v0.0.0-20201216005158-039620a65673/go.mod h1:N3UwUGtsrSj3ccvlPHLoLsHnpR27oXr4ZE984MbSER8=
go.uber.org/atomic v1.7.0/go.mod h1:fEN4uk6kAWBTFdckzkM89CLk9XfWZrxpCo0nPH17wJc=
@ -29,20 +38,20 @@ go.uber.org/multierr v1.8.0 h1:dg6GjLku4EH+249NNmoIciG9N/jURbDG+pFlTkhzIC8=
go.uber.org/multierr v1.8.0/go.mod h1:7EAYxJLBy9rStEaz58O2t4Uvip6FSURkq8/ppBp95ak=
go.uber.org/zap v1.23.0 h1:OjGQ5KQDEUawVHxNwQgPpiypGHOxo2mNZsOqTak4fFY=
go.uber.org/zap v1.23.0/go.mod h1:D+nX8jyLsMHMYrln8A0rJjFt/T/9/bGgIhAqxv5URuY=
go.uber.org/zap v1.24.0 h1:FiJd5l1UOLj0wCgbSE0rwwXHzEdAZS6hiiSnxJN/D60=
go.uber.org/zap v1.24.0/go.mod h1:2kMP+WWQ8aoFoedH3T2sq6iJ2yDWpHbP0f6MQbS9Gkg=
golang.org/x/crypto v0.3.0 h1:a06MkbcxBrEFc0w0QIZWXrH/9cCX6KJyWbBOIwAn+7A=
golang.org/x/crypto v0.3.0/go.mod h1:hebNnKkNXi2UzZN1eVRvBB7co0a+JxK6XbPiWVs/3J4=
golang.org/x/exp v0.0.0-20221204150635-6dcec336b2bb h1:QIsP/NmClBICkqnJ4rSIhnrGiGR7Yv9ZORGGnmmLTPk=
golang.org/x/exp v0.0.0-20221204150635-6dcec336b2bb/go.mod h1:CxIveKay+FTh1D0yPZemJVgC/95VzuuOLq5Qi4xnoYc=
golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4=
golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
google.golang.org/protobuf v1.28.1 h1:d0NfwRgPtno5B1Wa6L2DAG+KivqkdutMf1UhdNx175w=
google.golang.org/protobuf v1.28.1/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
unlock-music.dev/mmkv v0.0.0-20221204144229-a40e4e5b9eca h1:21+n7CN+qrUiWbvHhIiewlUibXBldKREPXjQILyw5lE=
unlock-music.dev/mmkv v0.0.0-20221204144229-a40e4e5b9eca/go.mod h1:N+XdSYGbQs3PIt8k/kzFuTUO5YIal9da1mpK3ul6zJE=
unlock-music.dev/mmkv v0.0.0-20221204231432-41a75bd29939 h1:qWv734RbYjIHtHhZSRbdSyAEJ5K1rWcPSuUOen86tvI=
unlock-music.dev/mmkv v0.0.0-20221204231432-41a75bd29939/go.mod h1:1+Hdsrk8gl1i4/oxOnAhx6y51DAcUfi2CDni6Qhk8Kw=

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