niklas/s3browser-backend
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

fixed linter stuff

Browse Source
This commit is contained in:
Djeeberjr 2021-08-06 16:31:07 +02:00
parent acc9d6b5c3
commit da5d597b3f
5 changed files with 69 additions and 43 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
go.mod
View File

@ -8,5 +8,5 @@ require (
github.com/graphql-go/handler v0.2.3
github.com/minio/minio-go/v7 v7.0.12
github.com/opentracing/opentracing-go v1.2.0 // indirect
github.com/patrickmn/go-cache v2.1.0+incompatible // indirect
github.com/patrickmn/go-cache v2.1.0+incompatible
)

40
internal/dataloader.go
View File

@ -23,6 +23,7 @@ func listObjectsBatch(c context.Context, k dataloader.Keys) []*dataloader.Result
for _, v := range k {
results = append(results, &dataloader.Result{
Data: listObjects(s3Client, bucketName, v.String(), false),
Error: nil,
})
}
@ -54,12 +55,11 @@ func getFilesBatch(c context.Context, k dataloader.Keys) []*dataloader.Result {
}
for _, v := range k {
path := v.String()
files := make([]File, 0)
if !strings.HasSuffix(path, "/") {
path = path + "/"
path += "/"
}
thunk := loader["listObjects"].Load(c, dataloader.StringKey(path))
@ -71,8 +71,7 @@ func getFilesBatch(c context.Context, k dataloader.Keys) []*dataloader.Result {
for _, obj := range objects.([]minio.ObjectInfo) {
if obj.Err != nil {
// TODO: how to handle?
} else {
if !strings.HasSuffix(obj.Key, "/") {
} else if !strings.HasSuffix(obj.Key, "/") {
files = append(files, File{
ID: obj.Key,
Name: filepath.Base(obj.Key),
@ -82,7 +81,6 @@ func getFilesBatch(c context.Context, k dataloader.Keys) []*dataloader.Result {
})
}
}
}
results = append(results, &dataloader.Result{
Data: files,
@ -104,7 +102,6 @@ func getFileBatch(c context.Context, k dataloader.Keys) []*dataloader.Result {
}
for _, v := range k {
obj, err := s3Client.StatObject(context.Background(), bucketName, v.String(), minio.StatObjectOptions{})
if err != nil {
@ -123,7 +120,6 @@ func getFileBatch(c context.Context, k dataloader.Keys) []*dataloader.Result {
Error: nil,
})
}
}
return results
@ -139,12 +135,11 @@ func getDirsBatch(c context.Context, k dataloader.Keys) []*dataloader.Result {
}
for _, v := range k {
path := v.String()
dirs := make([]Directory, 0)
if !strings.HasSuffix(path, "/") {
path = path + "/"
path += "/"
}
thunk := loader["listObjects"].Load(c, dataloader.StringKey(path))
@ -156,15 +151,13 @@ func getDirsBatch(c context.Context, k dataloader.Keys) []*dataloader.Result {
for _, obj := range objects.([]minio.ObjectInfo) {
if obj.Err != nil {
// TODO: how to handle?
} else {
if strings.HasSuffix(obj.Key, "/") {
} else if strings.HasSuffix(obj.Key, "/") {
dirs = append(dirs, Directory{
ID: obj.Key,
Name: filepath.Base(obj.Key),
})
}
}
}
results = append(results, &dataloader.Result{
Data: dirs,
@ -192,10 +185,25 @@ func handleLoaderError(k dataloader.Keys, err error) []*dataloader.Result {
func createDataloader(config AppConfig) map[string]*dataloader.Loader {
loaderMap := make(map[string]*dataloader.Loader, 0)
loaderMap["getFiles"] = dataloader.NewBatchedLoader(getFilesBatch, dataloader.WithCache(newCache(config.CacheTTL, config.CacheCleanup)))
loaderMap["getFile"] = dataloader.NewBatchedLoader(getFileBatch, dataloader.WithCache(newCache(config.CacheTTL, config.CacheCleanup)))
loaderMap["listObjects"] = dataloader.NewBatchedLoader(listObjectsBatch, dataloader.WithCache(newCache(config.CacheTTL, config.CacheCleanup)))
loaderMap["getDirs"] = dataloader.NewBatchedLoader(getDirsBatch, dataloader.WithCache(newCache(config.CacheTTL, config.CacheCleanup)))
loaderMap["getFiles"] = dataloader.NewBatchedLoader(
getFilesBatch,
dataloader.WithCache(newCache(config.CacheTTL, config.CacheCleanup)),
)
loaderMap["getFile"] = dataloader.NewBatchedLoader(
getFileBatch,
dataloader.WithCache(newCache(config.CacheTTL, config.CacheCleanup)),
)
loaderMap["listObjects"] = dataloader.NewBatchedLoader(
listObjectsBatch,
dataloader.WithCache(newCache(config.CacheTTL, config.CacheCleanup)),
)
loaderMap["getDirs"] = dataloader.NewBatchedLoader(
getDirsBatch,
dataloader.WithCache(newCache(config.CacheTTL, config.CacheCleanup)),
)
return loaderMap
}

7
internal/graphqlTypes.go
View File

@ -61,6 +61,7 @@ func graphqlTypes() {
if err != nil {
return nil, err
}
return file.Size, nil
},
},
@ -71,6 +72,7 @@ func graphqlTypes() {
if err != nil {
return nil, err
}
return file.ContentType, nil
},
},
@ -81,6 +83,7 @@ func graphqlTypes() {
if err != nil {
return nil, err
}
return file.ETag, nil
},
},
@ -126,7 +129,7 @@ func graphqlTypes() {
Resolve: func(p graphql.ResolveParams) (interface{}, error) {
source, ok := p.Source.(Directory)
if !ok {
return nil, fmt.Errorf("Failed to parse Source for directorys resolve")
return nil, fmt.Errorf("Failed to parse Source for directories resolve")
}
loader := p.Context.Value("loader").(map[string]*dataloader.Loader)
@ -141,7 +144,7 @@ func graphqlTypes() {
Resolve: func(p graphql.ResolveParams) (interface{}, error) {
source, ok := p.Source.(Directory)
if !ok {
return nil, fmt.Errorf("Failed to parse Source for directorys resolve")
return nil, fmt.Errorf("Failed to parse Source for directories resolve")
}
dirs := strings.Split(source.ID, "/")

33
internal/httpServer.go
View File

@ -15,7 +15,7 @@ import (
)
// initHttp setup and start the http server. Blocking
func initHttp(schema graphql.Schema, resolveContext context.Context) {
func initHttp(resolveContext context.Context, schema graphql.Schema) error {
h := handler.New(&handler.Config{
Schema: &schema,
Pretty: true,
@ -39,7 +39,7 @@ func initHttp(schema graphql.Schema, resolveContext context.Context) {
}
})
http.ListenAndServe(":8080", nil)
return http.ListenAndServe(":8080", nil)
}
func httpGetFile(ctx context.Context, rw http.ResponseWriter, r *http.Request) {
@ -48,20 +48,20 @@ func httpGetFile(ctx context.Context, rw http.ResponseWriter, r *http.Request) {
objInfo, err := s3Client.StatObject(context.Background(), bucketName, id, minio.GetObjectOptions{})
if err != nil {
rw.WriteHeader(500)
rw.WriteHeader(http.StatusInternalServerError)
return
}
reqEtag := r.Header.Get("If-None-Match")
if reqEtag == objInfo.ETag {
rw.WriteHeader(304)
rw.WriteHeader(http.StatusNotModified)
return
}
obj, err := s3Client.GetObject(context.Background(), bucketName, id, minio.GetObjectOptions{})
if err != nil {
rw.WriteHeader(500)
rw.WriteHeader(http.StatusInternalServerError)
return
}
@ -70,7 +70,12 @@ func httpGetFile(ctx context.Context, rw http.ResponseWriter, r *http.Request) {
rw.Header().Set("Content-Type", objInfo.ContentType)
rw.Header().Set("ETag", objInfo.ETag)
io.Copy(rw, obj)
_, err = io.Copy(rw, obj)
if err != nil {
rw.WriteHeader(http.StatusInternalServerError)
return
}
}
func httpPostFile(ctx context.Context, rw http.ResponseWriter, r *http.Request) {
@ -82,13 +87,19 @@ func httpPostFile(ctx context.Context, rw http.ResponseWriter, r *http.Request)
contentType := r.Header.Get("Content-Type")
mimeType, _, _ := mime.ParseMediaType(contentType)
s3Client.PutObject(context.Background(), bucketName, id, r.Body, r.ContentLength, minio.PutObjectOptions{
info, err := s3Client.PutObject(context.Background(), bucketName, id, r.Body, r.ContentLength, minio.PutObjectOptions{
ContentType: mimeType,
})
// Invalidate cache
loader["getFile"].Clear(ctx, dataloader.StringKey(id))
loader["listObjects"].Clear(ctx, dataloader.StringKey(id))
loader["getFiles"].Clear(ctx, dataloader.StringKey(filepath.Dir(id)))
if err != nil {
rw.WriteHeader(http.StatusInternalServerError)
return
}
// Invalidate cache
loader["getFile"].Clear(ctx, dataloader.StringKey(info.Key))
loader["listObjects"].Clear(ctx, dataloader.StringKey(info.Key))
loader["getFiles"].Clear(ctx, dataloader.StringKey(filepath.Dir(info.Key)))
rw.WriteHeader(http.StatusCreated)
}

6
internal/s3Broswer.go
View File

@ -81,5 +81,9 @@ func Start(config AppConfig) {
resolveContext := context.WithValue(context.Background(), "s3Client", s3Client)
resolveContext = context.WithValue(resolveContext, "loader", loaderMap)
initHttp(schema, resolveContext)
err = initHttp(resolveContext, schema)
if err != nil {
log.Printf("Failed to start webserver: %s", err.Error())
}
}