[server] Add mime type detection

This commit is contained in:
Abhishek Shroff
2024-10-15 21:23:54 +05:30
parent 1e9ce228f4
commit cae585be0a
5 changed files with 44 additions and 15 deletions

View File

@@ -13,8 +13,8 @@ require (
github.com/sirupsen/logrus v1.9.3
github.com/spf13/cobra v1.8.0
github.com/spf13/viper v1.18.2
golang.org/x/crypto v0.23.0
golang.org/x/term v0.20.0
golang.org/x/crypto v0.28.0
golang.org/x/term v0.25.0
)
require (
@@ -26,7 +26,7 @@ require (
github.com/chenzhuoyu/iasm v0.9.0 // indirect
github.com/dustin/go-humanize v1.0.1 // indirect
github.com/fsnotify/fsnotify v1.7.0 // indirect
github.com/gabriel-vasile/mimetype v1.4.2 // indirect
github.com/gabriel-vasile/mimetype v1.4.6 // indirect
github.com/gin-contrib/sse v0.1.0 // indirect
github.com/go-playground/locales v0.14.1 // indirect
github.com/go-playground/universal-translator v0.18.1 // indirect
@@ -68,10 +68,10 @@ require (
go.uber.org/multierr v1.9.0 // indirect
golang.org/x/arch v0.5.0 // indirect
golang.org/x/exp v0.0.0-20230905200255-921286631fa9 // indirect
golang.org/x/net v0.21.0 // indirect
golang.org/x/sync v0.5.0 // indirect
golang.org/x/sys v0.20.0 // indirect
golang.org/x/text v0.15.0 // indirect
golang.org/x/net v0.30.0 // indirect
golang.org/x/sync v0.8.0 // indirect
golang.org/x/sys v0.26.0 // indirect
golang.org/x/text v0.19.0 // indirect
google.golang.org/protobuf v1.31.0 // indirect
gopkg.in/ini.v1 v1.67.0 // indirect
gopkg.in/yaml.v3 v3.0.1 // indirect

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@@ -30,6 +30,8 @@ github.com/fvbock/endless v0.0.0-20170109170031-447134032cb6 h1:6VSn3hB5U5GeA6kQ
github.com/fvbock/endless v0.0.0-20170109170031-447134032cb6/go.mod h1:YxOVT5+yHzKvwhsiSIWmbAYM3Dr9AEEbER2dVayfBkg=
github.com/gabriel-vasile/mimetype v1.4.2 h1:w5qFW6JKBz9Y393Y4q372O9A7cUSequkh1Q7OhCmWKU=
github.com/gabriel-vasile/mimetype v1.4.2/go.mod h1:zApsH/mKG4w07erKIaJPFiX0Tsq9BFQgN3qGY5GnNgA=
github.com/gabriel-vasile/mimetype v1.4.6 h1:3+PzJTKLkvgjeTbts6msPJt4DixhT4YtFNf1gtGe3zc=
github.com/gabriel-vasile/mimetype v1.4.6/go.mod h1:JX1qVKqZd40hUPpAfiNTe0Sne7hdfKSbOqqmkq8GCXc=
github.com/gin-contrib/cors v1.5.0 h1:DgGKV7DDoOn36DFkNtbHrjoRiT5ExCe+PC9/xp7aKvk=
github.com/gin-contrib/cors v1.5.0/go.mod h1:TvU7MAZ3EwrPLI2ztzTt3tqgvBCq+wn8WpZmfADjupI=
github.com/gin-contrib/sse v0.1.0 h1:Y/yl/+YNO8GZSjAhjMsSuLt29uWRFHdHYUb5lYOV9qE=
@@ -177,6 +179,8 @@ golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5y
golang.org/x/crypto v0.3.0/go.mod h1:hebNnKkNXi2UzZN1eVRvBB7co0a+JxK6XbPiWVs/3J4=
golang.org/x/crypto v0.23.0 h1:dIJU/v2J8Mdglj/8rJ6UUOM3Zc9zLZxVZwwxMooUSAI=
golang.org/x/crypto v0.23.0/go.mod h1:CKFgDieR+mRhux2Lsu27y0fO304Db0wZe70UKqHu0v8=
golang.org/x/crypto v0.28.0 h1:GBDwsMXVQi34v5CCYUm2jkJvu4cbtru2U4TN2PSyQnw=
golang.org/x/crypto v0.28.0/go.mod h1:rmgy+3RHxRZMyY0jjAJShp2zgEdOqj2AO7U0pYmeQ7U=
golang.org/x/exp v0.0.0-20230905200255-921286631fa9 h1:GoHiUyI/Tp2nVkLI2mCxVkOjsbSXD66ic0XW0js0R9g=
golang.org/x/exp v0.0.0-20230905200255-921286631fa9/go.mod h1:S2oDrQGGwySpoQPVqRShND87VCbxmc6bL1Yd2oYrm6k=
golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4=
@@ -186,10 +190,14 @@ golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug
golang.org/x/net v0.2.0/go.mod h1:KqCZLdyyvdV855qA2rE3GC2aiw5xGR5TEjj8smXukLY=
golang.org/x/net v0.21.0 h1:AQyQV4dYCvJ7vGmJyKki9+PBdyvhkSd8EIx/qb0AYv4=
golang.org/x/net v0.21.0/go.mod h1:bIjVDfnllIU7BJ2DNgfnXvpSvtn8VRwhlsaeUTyUS44=
golang.org/x/net v0.30.0 h1:AcW1SDZMkb8IpzCdQUaIq2sP4sZ4zw+55h6ynffypl4=
golang.org/x/net v0.30.0/go.mod h1:2wGyMJ5iFasEhkwi13ChkO/t1ECNC4X4eBKkVFyYFlU=
golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
golang.org/x/sync v0.5.0 h1:60k92dhOjHxJkrqnwsfl8KuaHbn/5dl0lUPUklKo3qE=
golang.org/x/sync v0.5.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
golang.org/x/sync v0.8.0 h1:3NFvSEYkUoMifnESzZl15y791HH1qU2xm6eCJU5ZPXQ=
golang.org/x/sync v0.8.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
@@ -201,17 +209,23 @@ golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.20.0 h1:Od9JTbYCk261bKm4M/mw7AklTlFYIa0bIp9BgSm1S8Y=
golang.org/x/sys v0.20.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
golang.org/x/sys v0.26.0 h1:KHjCJyddX0LoSTb3J+vWpupP9p0oznkqVk/IfjymZbo=
golang.org/x/sys v0.26.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
golang.org/x/term v0.2.0/go.mod h1:TVmDHMZPmdnySmBfhjOoOdhjzdE1h4u1VwSiw2l1Nuc=
golang.org/x/term v0.20.0 h1:VnkxpohqXaOBYJtBmEppKUG6mXpi+4O6purfc2+sMhw=
golang.org/x/term v0.20.0/go.mod h1:8UkIAJTvZgivsXaD6/pH6U9ecQzZ45awqEOzuCvwpFY=
golang.org/x/term v0.25.0 h1:WtHI/ltw4NvSUig5KARz9h521QvRC8RmF/cuYqifU24=
golang.org/x/term v0.25.0/go.mod h1:RPyXicDX+6vLxogjjRxjgD2TKtmAO6NZBsBRfrOLu7M=
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
golang.org/x/text v0.4.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
golang.org/x/text v0.15.0 h1:h1V/4gjBv8v9cjcR6+AR5+/cIYK5N/WAgiv4xlsEtAk=
golang.org/x/text v0.15.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
golang.org/x/text v0.19.0 h1:kTxAhCbGbxhK0IwgSKiMO5awPoDQ0RpfiVYBfK860YM=
golang.org/x/text v0.19.0/go.mod h1:BuEKDfySbSR4drPmRPG/7iBdf8hvFMuRexcpahXilzY=
golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=

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@@ -134,10 +134,10 @@ func (f filesystem) OpenWrite(r Resource) (io.WriteCloser, error) {
if r.UserPermissions < PermissionReadWrite {
return nil, ErrInsufficientPermissions
}
return f.cs.OpenWrite(r.ID, sha256.New, func(len int, sum string) error {
return f.cs.OpenWrite(r.ID, sha256.New, func(len int, sum, mime string) error {
return f.db.UpdateResourceContents(f.ctx, db.UpdateResourceContentsParams{
ID: r.ID,
ContentType: "",
ContentType: mime,
ContentSize: int64(len),
ContentSha256: sum,
})

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@@ -3,27 +3,42 @@ package storage
import (
"hash"
"io"
"github.com/gabriel-vasile/mimetype"
)
type hasher struct {
dest io.WriteCloser
len int
sum hash.Hash
closeCallback func(int, hash.Hash) error
contents []byte
closeCallback func(int, hash.Hash, string) error
}
func (c *hasher) Write(p []byte) (n int, err error) {
n, err = c.dest.Write(p)
c.sum.Write(p)
c.len += n
remain := min(cap(c.contents)-len(c.contents), len(p))
if remain > 0 {
c.contents = append(c.contents, p[:remain]...)
}
return
}
func min(a, b int) int {
if b < a {
return b
}
return a
}
func (c *hasher) Close() error {
if err := c.dest.Close(); err != nil {
return err
}
return c.closeCallback(c.len, c.sum)
return c.closeCallback(c.len, c.sum, mimetype.Detect(c.contents).String())
}
type callbackWriteCloser struct {

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@@ -15,7 +15,7 @@ type Storage interface {
CreateBackend(ctx context.Context, name string, driver string, params map[string]string) error
ListBackends() map[string]Backend
OpenRead(id uuid.UUID, start, length int64) (io.ReadCloser, error)
OpenWrite(id uuid.UUID, h func() hash.Hash, callback func(int, string) error) (io.WriteCloser, error)
OpenWrite(id uuid.UUID, h func() hash.Hash, callback func(int, string, string) error) (io.WriteCloser, error)
Delete(id uuid.UUID) error
DeleteAll(ids uuid.UUIDs) []error
}
@@ -45,15 +45,15 @@ func (s storage) OpenRead(id uuid.UUID, start, length int64) (io.ReadCloser, err
return backend.OpenRead(id, start, length)
}
}
func (s storage) OpenWrite(id uuid.UUID, h func() hash.Hash, callback func(int, string) error) (io.WriteCloser, error) {
func (s storage) OpenWrite(id uuid.UUID, h func() hash.Hash, callback func(int, string, string) error) (io.WriteCloser, error) {
if backend, err := s.findStorageBackend(id); err != nil {
return nil, err
} else if out, err := backend.OpenWrite(id); err != nil {
return nil, err
} else {
return &hasher{dest: out, sum: h(), closeCallback: func(len int, sum hash.Hash) error {
return &hasher{dest: out, sum: h(), contents: make([]byte, 0, 10*1024), closeCallback: func(len int, sum hash.Hash, mime string) error {
etag := hex.EncodeToString(sum.Sum(nil))
return callback(len, etag)
return callback(len, etag, mime)
}}, nil
}
}