go-common/app/job/openplatform/open-sug/dao/bfs.go
2019-04-22 18:49:16 +08:00

73 lines
2.0 KiB
Go

package dao
import (
"context"
"crypto/hmac"
"crypto/sha1"
"encoding/base64"
"fmt"
"hash"
"io"
"net/http"
"strconv"
"time"
"go-common/library/ecode"
"go-common/library/log"
)
const _method = "PUT"
// Upload upload bfs.
func (d *Dao) Upload(c context.Context, fileType string, fileName string, body io.Reader) (location string, err error) {
req, err := http.NewRequest(_method, d.c.Bfs.Addr+fileName, body)
if err != nil {
log.Error("http.NewRequest error (%v) | fileType(%s) body(%v)", err, fileType, body)
return
}
expire := time.Now().Unix()
authorization := authorize(d.c.Bfs.Key, d.c.Bfs.Secret, _method, d.c.Bfs.Bucket, fileName, expire)
req.Header.Set("Host", d.c.Bfs.Addr)
req.Header.Add("Date", fmt.Sprint(expire))
req.Header.Add("Authorization", authorization)
req.Header.Add("Content-Type", fileType)
// timeout
c, cancel := context.WithTimeout(c, time.Duration(d.c.Bfs.Timeout))
req = req.WithContext(c)
defer cancel()
resp, err := d.client.Do(req)
if err != nil {
log.Error("d.Client.Do error(%v) | _url(%s) req(%v)", err, d.c.Bfs.Addr, req)
err = ecode.BfsUploadServiceUnavailable
return
}
if resp.StatusCode != http.StatusOK {
log.Error("Upload http.StatusCode nq http.StatusOK (%d) | url(%s)", resp.StatusCode, d.c.Bfs.Addr)
err = ecode.BfsUploadStatusErr
return
}
header := resp.Header
code := header.Get("Code")
if code != strconv.Itoa(http.StatusOK) {
log.Error("strconv.Itoa err, code(%s) | url(%s)", code, d.c.Bfs.Addr)
err = ecode.BfsUploadCodeErr
return
}
location = header.Get("Location")
return
}
func authorize(key, secret, method, bucket string, fileName string, expire int64) (authorization string) {
var (
content string
mac hash.Hash
signature string
)
content = fmt.Sprintf("%s\n%s\n%s\n%d\n", method, bucket, fileName, expire)
mac = hmac.New(sha1.New, []byte(secret))
mac.Write([]byte(content))
signature = base64.StdEncoding.EncodeToString(mac.Sum(nil))
authorization = fmt.Sprintf("%s:%s:%d", key, signature, expire)
return
}