110 lines
2.7 KiB
Go
110 lines
2.7 KiB
Go
|
// Copyright 2018, Google
|
||
|
|
//
|
||
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
||
|
|
// you may not use this file except in compliance with the License.
|
||
|
|
// You may obtain a copy of the License at
|
||
|
|
//
|
||
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
||
|
|
//
|
||
|
|
// Unless required by applicable law or agreed to in writing, software
|
||
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
||
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||
|
|
// See the License for the specific language governing permissions and
|
||
|
|
// limitations under the License.
|
||
|
|
|
||
|
|
package pyre
|
||
|
|
|
||
|
|
import (
|
||
|
|
"encoding/json"
|
||
|
|
"fmt"
|
||
|
|
"io"
|
||
|
|
"net/http"
|
||
|
|
"strconv"
|
||
|
|
"strings"
|
||
|
|
|
||
|
|
"github.com/google/uuid"
|
||
|
|
"github.com/kurin/blazer/internal/b2types"
|
||
|
|
)
|
||
|
|
|
||
|
|
const uploadFilePrefix = "/b2api/v1/b2_upload_file/"
|
||
|
|
|
||
|
|
type SimpleFileManager interface {
|
||
|
|
Writer(bucket, name, id string) (io.WriteCloser, error)
|
||
|
|
}
|
||
|
|
|
||
|
|
type simpleFileServer struct {
|
||
|
|
fm SimpleFileManager
|
||
|
|
}
|
||
|
|
|
||
|
|
type uploadRequest struct {
|
||
|
|
name string
|
||
|
|
contentType string
|
||
|
|
size int64
|
||
|
|
sha1 string
|
||
|
|
bucket string
|
||
|
|
info map[string]string
|
||
|
|
}
|
||
|
|
|
||
|
|
func parseUploadHeaders(r *http.Request) (*uploadRequest, error) {
|
||
|
|
ur := &uploadRequest{info: make(map[string]string)}
|
||
|
|
ur.name = r.Header.Get("X-Bz-File-Name")
|
||
|
|
ur.contentType = r.Header.Get("Content-Type")
|
||
|
|
ur.sha1 = r.Header.Get("X-Bz-Content-Sha1")
|
||
|
|
size, err := strconv.ParseInt(r.Header.Get("Content-Length"), 10, 64)
|
||
|
|
if err != nil {
|
||
|
|
return nil, err
|
||
|
|
}
|
||
|
|
ur.size = size
|
||
|
|
for k := range r.Header {
|
||
|
|
if !strings.HasPrefix("X-Bz-Info-", k) {
|
||
|
|
continue
|
||
|
|
}
|
||
|
|
name := strings.TrimPrefix("X-Bz-Info-", k)
|
||
|
|
ur.info[name] = r.Header.Get(k)
|
||
|
|
}
|
||
|
|
ur.bucket = strings.TrimPrefix(r.URL.Path, uploadFilePrefix)
|
||
|
|
return ur, nil
|
||
|
|
}
|
||
|
|
|
||
|
|
func (fs *simpleFileServer) ServeHTTP(rw http.ResponseWriter, r *http.Request) {
|
||
|
|
req, err := parseUploadHeaders(r)
|
||
|
|
if err != nil {
|
||
|
|
http.Error(rw, err.Error(), 500)
|
||
|
|
fmt.Println("oh no")
|
||
|
|
return
|
||
|
|
}
|
||
|
|
id := uuid.New().String()
|
||
|
|
w, err := fs.fm.Writer(req.bucket, req.name, id)
|
||
|
|
if err != nil {
|
||
|
|
http.Error(rw, err.Error(), 500)
|
||
|
|
fmt.Println("oh no")
|
||
|
|
return
|
||
|
|
}
|
||
|
|
if _, err := io.Copy(w, io.LimitReader(r.Body, req.size)); err != nil {
|
||
|
|
w.Close()
|
||
|
|
http.Error(rw, err.Error(), 500)
|
||
|
|
fmt.Println("oh no")
|
||
|
|
return
|
||
|
|
}
|
||
|
|
if err := w.Close(); err != nil {
|
||
|
|
http.Error(rw, err.Error(), 500)
|
||
|
|
fmt.Println("oh no")
|
||
|
|
return
|
||
|
|
}
|
||
|
|
resp := &b2types.UploadFileResponse{
|
||
|
|
FileID: id,
|
||
|
|
Name: req.name,
|
||
|
|
SHA1: req.sha1,
|
||
|
|
BucketID: req.bucket,
|
||
|
|
}
|
||
|
|
if err := json.NewEncoder(rw).Encode(resp); err != nil {
|
||
|
|
http.Error(rw, err.Error(), 500)
|
||
|
|
fmt.Println("oh no")
|
||
|
|
return
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func RegisterSimpleFileManagerOnMux(f SimpleFileManager, mux *http.ServeMux) {
|
||
|
|
mux.Handle(uploadFilePrefix, &simpleFileServer{fm: f})
|
||
|
|
}
|