validate file is a valid image (#267)

This commit is contained in:
Dominic Wong
2021-11-10 22:23:35 +00:00
committed by GitHub
parent 5667765ed7
commit 0e47c56754
2 changed files with 14 additions and 8 deletions

2
go.sum
View File

@@ -497,8 +497,6 @@ github.com/mattn/go-tty v0.0.0-20180219170247-931426f7535a/go.mod h1:XPvLUNfbS4f
github.com/matttproud/golang_protobuf_extensions v1.0.1/go.mod h1:D8He9yQNgCq6Z5Ld7szi9bcBfOoFv/3dc6xSMkL2PC0=
github.com/micro/micro-go v0.0.0-20211101221015-79ab982f8163 h1:kNngAyoUre7ahqYWjlBVpT4GGDYM7r9BYUzpcOveaPs=
github.com/micro/micro-go v0.0.0-20211101221015-79ab982f8163/go.mod h1:o4fTExNn5LlnQRB/WiW3RChsohPwQTJ1AKdNCz2YEYA=
github.com/micro/micro/v3 v3.6.1-0.20211109113157-0b9ea62abb19 h1:gMbXjyo+Z3Vqnkjfv2wk4LI8CbmE79NmKSnF2KwzZ14=
github.com/micro/micro/v3 v3.6.1-0.20211109113157-0b9ea62abb19/go.mod h1:NqYnFOGrnc0Apk912w49oX9qIk1YDJcCaO+y+CLaAXA=
github.com/micro/micro/v3 v3.6.1-0.20211110104311-614fde05be0c h1:9+w31dXDHVUD11x1St5LiXiBQLNSUxgeH9GI9+sKv0M=
github.com/micro/micro/v3 v3.6.1-0.20211110104311-614fde05be0c/go.mod h1:NqYnFOGrnc0Apk912w49oX9qIk1YDJcCaO+y+CLaAXA=
github.com/miekg/dns v1.1.15/go.mod h1:W1PPwlIAgtquWBMBEV9nkV9Cazfe8ScdGz/Lj7v3Nrg=

View File

@@ -50,18 +50,17 @@ func (e *Image) Upload(ctx context.Context, req *img.UploadRequest, rsp *img.Upl
if !ok {
return merrors.Unauthorized("image.Upload", "Not authorized")
}
var imageBytes *bytes.Buffer
var imageBytes []byte
var err error
if len(req.File) > 0 {
imageBytes = bytes.NewBuffer(req.File)
imageBytes = req.File
} else if len(req.Base64) > 0 {
b, _, err := base64ToImage(req.Base64)
if err != nil {
return err
}
imageBytes = bytes.NewBuffer(b)
imageBytes = b
} else if len(req.Url) > 0 {
_, err := url.Parse(req.Url)
if err != nil {
@@ -76,12 +75,21 @@ func (e *Image) Upload(ctx context.Context, req *img.UploadRequest, rsp *img.Upl
if err != nil {
return err
}
imageBytes = bytes.NewBuffer(b)
imageBytes = b
} else {
return merrors.BadRequest("image.Upload", "file, base64 or url param is required")
}
err = store.DefaultBlobStore.Write(fmt.Sprintf("%v/%v/%v", pathPrefix, tenantID, req.Name), imageBytes, store.BlobPublic(true))
// validate that this is indeed an image file
_, _, err = image.Decode(bytes.NewReader(imageBytes))
if err != nil {
if err == image.ErrFormat {
return merrors.BadRequest("image.Upload", "Unrecognised image format")
}
return merrors.InternalServerError("image.Upload", "Error processing upload")
}
err = store.DefaultBlobStore.Write(fmt.Sprintf("%v/%v/%v", pathPrefix, tenantID, req.Name), bytes.NewReader(imageBytes), store.BlobPublic(true))
if err != nil {
return err
}