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74 lines
1.9 KiB
74 lines
1.9 KiB
package bfs |
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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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"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/library/log" |
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) |
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const ( |
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uploadurl = "/bfs/%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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// Upload upload picture or log file to bfs |
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func (d *Dao) Upload(c context.Context, fileName, fileType string, expire int64, body io.Reader) (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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code int |
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) |
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client := &http.Client{} |
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url = fmt.Sprintf(d.bfs+uploadurl, d.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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authorization := authorize(d.key, d.secret, method, d.bucket, fileName, expire) |
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req.Header.Set("Host", d.bfs) |
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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 = client.Do(req) |
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if err != nil { |
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log.Error("resp.Do(%s) error(%v)", url, err) |
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return |
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} |
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defer resp.Body.Close() |
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if resp.StatusCode != http.StatusOK { |
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err = fmt.Errorf("status code error:%v", resp.StatusCode) |
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return |
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} |
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code, err = strconv.Atoi(resp.Header.Get("code")) |
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if err != nil || code != http.StatusOK { |
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err = fmt.Errorf("response code error:%v", code) |
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return |
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} |
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location = resp.Header.Get("Location") |
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return |
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} |
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// 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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