85 lines
2.1 KiB
Go
85 lines
2.1 KiB
Go
package dao
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import (
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"context"
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"crypto/hmac"
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"crypto/sha1"
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"encoding/base64"
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"errors"
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"fmt"
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"hash"
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"io"
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"net/http"
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"strconv"
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"go-common/app/admin/main/up/conf"
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"go-common/library/log"
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)
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const (
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uploadurl = "/%s/%s"
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template = "%s\n%s\n%s\n%d\n"
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method = "PUT"
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)
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var (
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errUpload = errors.New("Upload failed")
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)
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// Upload upload picture or log file to bfs
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func Upload(c context.Context, fileName, fileType string, expire int64, body io.Reader, bfsConf *conf.Bfs) (location string, err error) {
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var (
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url string
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req *http.Request
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resp *http.Response
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header http.Header
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code string
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)
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url = fmt.Sprintf(bfsConf.Addr+uploadurl, bfsConf.Bucket, fileName)
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if req, err = http.NewRequest(method, url, body); err != nil {
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log.Error("http.NewRequest() Upload(%v) error(%v)", url, err)
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return
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}
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log.Info("upload url={%s}", url)
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authorization := Authorize(bfsConf.Key, bfsConf.Secret, method, bfsConf.Bucket, fileName, expire)
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req.Header.Set("Host", bfsConf.Addr)
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req.Header.Add("Date", fmt.Sprint(expire))
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req.Header.Add("Authorization", authorization)
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req.Header.Add("Content-Type", fileType)
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resp, err = http.DefaultClient.Do(req)
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if err != nil {
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log.Error("httpClient.Do(%s) error(%v)", url, err)
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return
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}
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if resp.StatusCode != http.StatusOK {
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log.Error("Upload url(%s) http.statuscode:%d", url, resp.StatusCode)
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err = errUpload
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return
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}
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header = resp.Header
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code = header.Get("Code")
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if code != strconv.Itoa(http.StatusOK) {
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log.Error("Upload url(%s) code:%s", url, code)
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err = errUpload
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return
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}
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location = header.Get("Location")
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return
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}
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// Authorize authorize returns authorization for upload file to bfs
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func Authorize(key, secret, method, bucket, file string, expire int64) (authorization string) {
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var (
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content string
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mac hash.Hash
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signature string
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)
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content = fmt.Sprintf(template, method, bucket, file, expire)
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mac = hmac.New(sha1.New, []byte(secret))
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mac.Write([]byte(content))
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signature = base64.StdEncoding.EncodeToString(mac.Sum(nil))
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authorization = fmt.Sprintf("%s:%s:%d", key, signature, expire)
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return
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}
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