Add basic file stat & mimetype

go.mod

@@ -12,6 +12,7 @@ require (
 	github.com/docker/docker v0.0.0-20180422163414-57142e89befe
 	github.com/docker/go-connections v0.4.0
 	github.com/docker/go-units v0.3.3 // indirect
+	github.com/gabriel-vasile/mimetype v0.1.4 // indirect
 	github.com/gogo/protobuf v1.0.0 // indirect
 	github.com/google/go-cmp v0.2.0 // indirect
 	github.com/gotestyourself/gotestyourself v2.2.0+incompatible // indirect

go.sum

@@ -18,6 +18,8 @@ github.com/docker/go-units v0.3.3 h1:Xk8S3Xj5sLGlG5g67hJmYMmUgXv5N4PhkjJHHqrwnTk
 github.com/docker/go-units v0.3.3/go.mod h1:fgPhTUdO+D/Jk86RDLlptpiXQzgHJF7gydDDbaIK4Dk=
 github.com/fsnotify/fsnotify v1.4.7 h1:IXs+QLmnXW2CcXuY+8Mzv/fWEsPGWxqefPtCP5CnV9I=
 github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
+github.com/gabriel-vasile/mimetype v0.1.4 h1:5mcsq3+DXypREUkW+1juhjeKmE/XnWgs+paHMJn7lf8=
+github.com/gabriel-vasile/mimetype v0.1.4/go.mod h1:kMJbg3SlWZCsj4R73F1WDzbT9AyGCOVmUtIxxwO5pmI=
 github.com/gogo/protobuf v1.0.0 h1:2jyBKDKU/8v3v2xVR2PtiWQviFUyiaGk2rpfyFT8rTM=
 github.com/gogo/protobuf v1.0.0/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7atdtwQ=
 github.com/golang/protobuf v1.2.0 h1:P3YflyNX/ehuJFLhxviNdFxQPkGK5cDcApsge1SqnvM=

server/filesystem.go

@@ -3,6 +3,7 @@ package server
 import (
 	"bytes"
 	"errors"
+	"github.com/gabriel-vasile/mimetype"
 	"go.uber.org/zap"
 	"io"
 	"io/ioutil"
@@ -187,3 +188,49 @@ func (fs *Filesystem) Readfile(p string) (io.Reader, error) {
 
 	return bytes.NewReader(b), nil
 }
+
+// Delete a file or folder from the system. If a folder location is passed in the
+// folder and all of its contents are deleted.
+func (fs *Filesystem) DeleteFile(p string) error {
+	cleaned, err := fs.SafePath(p)
+	if err != nil {
+		return err
+	}
+
+	return os.RemoveAll(cleaned)
+}
+
+// Defines the stat struct object.
+type Stat struct {
+	Info *os.FileInfo
+	Mimetype string
+}
+
+// Stats a file or folder and returns the base stat object from go along with the
+// MIME data that can be used for editing files.
+func (fs *Filesystem) Stat(p string) (*Stat, error) {
+	cleaned, err := fs.SafePath(p)
+	if err != nil {
+		return nil, err
+	}
+
+	s, err := os.Stat(cleaned)
+	if err != nil {
+		return nil, err
+	}
+
+	var m = "inode/directory"
+	if !s.IsDir() {
+		m, _, err = mimetype.DetectFile(cleaned)
+		if err != nil {
+			return nil, err
+		}
+	}
+
+	st := &Stat{
+		Info: &s,
+		Mimetype: m,
+	}
+
+	return st, nil
+}