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fix: remove limit on blockSize(#53), format code
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,170 @@ | ||
| package main | ||
|
|
||
| import ( | ||
| "bytes" | ||
| "encoding/json" | ||
| "fmt" | ||
| "io" | ||
| "io/ioutil" | ||
| "log" | ||
| "mime/multipart" | ||
| "net/http" | ||
| "strings" | ||
| "time" | ||
| ) | ||
|
|
||
| func addHeaders(req *http.Request) *http.Request { | ||
| req.Header.Set("Referer", "https://cowtransfer.com/") | ||
| req.Header.Set("User-Agent", "Chrome/80.0.3987.149 CowTransfer-Uploader") | ||
| req.Header.Set("Origin", "https://cowtransfer.com/") | ||
| req.Header.Set("Cookie", fmt.Sprintf("%scf-cs-k-20181214=%d;", req.Header.Get("Cookie"), time.Now().UnixNano())) | ||
| return req | ||
| } | ||
|
|
||
| func addTk(req *http.Request) { | ||
| ck := runConfig.token | ||
| if runConfig.authCode != "" { | ||
| ck = fmt.Sprintf("%s; cow-auth-token=%s", runConfig.token, runConfig.authCode) | ||
| } | ||
|
|
||
| req.Header.Set("cookie", ck) | ||
| req.Header.Set("authorization", runConfig.authCode) | ||
| } | ||
|
|
||
| func blockPut(postURL string, buf []byte, token string) (string, error) { | ||
| data := new(bytes.Buffer) | ||
| data.Write(buf) | ||
| body, err := newRequest(postURL, data, token, "PUT") | ||
| if err != nil { | ||
| if runConfig.debugMode { | ||
| log.Printf("block upload failed (retrying)") | ||
| } | ||
| return "", err | ||
| } | ||
| var rBody upResp | ||
| if err := json.Unmarshal(body, &rBody); err != nil { | ||
| if runConfig.debugMode { | ||
| log.Printf("block upload failed (retrying)") | ||
| } | ||
| return "", err | ||
| } | ||
| if runConfig.hashCheck { | ||
| if hashBlock(buf) != rBody.MD5 { | ||
| if runConfig.debugMode { | ||
| log.Printf("block hashcheck failed (retrying)") | ||
| } | ||
| return "", fmt.Errorf("block hashcheck failed") | ||
| } | ||
| if runConfig.debugMode { | ||
| log.Printf("hash check: %s == %s", hashBlock(buf), rBody.MD5) | ||
| } | ||
| } | ||
| return rBody.Etag, nil | ||
| } | ||
|
|
||
| func newRequest(link string, postBody io.Reader, upToken string, action string) ([]byte, error) { | ||
| if runConfig.debugMode { | ||
| log.Printf("endpoint: %s", link) | ||
| } | ||
| client := http.Client{Timeout: time.Duration(runConfig.interval) * time.Second} | ||
| req, err := http.NewRequest(action, link, postBody) | ||
| if err != nil { | ||
| if runConfig.debugMode { | ||
| log.Printf("build request returns error: %v", err) | ||
| } | ||
| return nil, err | ||
| } | ||
| req.Header.Set("referer", "https://cowtransfer.com/") | ||
| req.Header.Set("Content-Type", "application/octet-stream") | ||
| req.Header.Set("Authorization", "UpToken "+upToken) | ||
| if runConfig.debugMode { | ||
| log.Println(req.Header) | ||
| } | ||
| resp, err := client.Do(req) | ||
| if err != nil { | ||
| if runConfig.debugMode { | ||
| log.Printf("do request returns error: %v", err) | ||
| } | ||
| return nil, err | ||
| } | ||
| body, err := ioutil.ReadAll(resp.Body) | ||
| if err != nil { | ||
| if runConfig.debugMode { | ||
| log.Printf("read response returns: %v", err) | ||
| } | ||
| return nil, err | ||
| } | ||
| _ = resp.Body.Close() | ||
| if runConfig.debugMode { | ||
| if len(body) < 1024 { | ||
| log.Printf("returns: %v", string(body)) | ||
| } | ||
| } | ||
| return body, nil | ||
| } | ||
|
|
||
| func newMultipartRequest(url string, params map[string]string, retry int) ([]byte, error) { | ||
| if runConfig.debugMode { | ||
| log.Printf("retrying: %v", retry) | ||
| log.Printf("postBody: %v", params) | ||
| log.Printf("endpoint: %s", url) | ||
| } | ||
| client := http.Client{Timeout: time.Duration(runConfig.interval) * time.Second} | ||
| buf := &bytes.Buffer{} | ||
| writer := multipart.NewWriter(buf) | ||
| for key, val := range params { | ||
| _ = writer.WriteField(key, val) | ||
| } | ||
| _ = writer.Close() | ||
| req, err := http.NewRequest("POST", url, buf) | ||
| if err != nil { | ||
| if runConfig.debugMode { | ||
| log.Printf("build request returns error: %v", err) | ||
| } | ||
| if retry > 3 { | ||
| return nil, err | ||
| } | ||
| return newMultipartRequest(url, params, retry+1) | ||
| } | ||
| req.Header.Set("content-type", fmt.Sprintf("multipart/form-data;boundary=%s", writer.Boundary())) | ||
| req.Header.Set("referer", "https://cowtransfer.com/") | ||
| addTk(req) | ||
| if runConfig.debugMode { | ||
| log.Println(req.Header) | ||
| } | ||
| resp, err := client.Do(addHeaders(req)) | ||
| if err != nil { | ||
| if runConfig.debugMode { | ||
| log.Printf("do request returns error: %v", err) | ||
| } | ||
| if retry > 3 { | ||
| return nil, err | ||
| } | ||
| return newMultipartRequest(url, params, retry+1) | ||
| } | ||
| body, err := ioutil.ReadAll(resp.Body) | ||
| if err != nil { | ||
| if runConfig.debugMode { | ||
| log.Printf("read response returns: %v", err) | ||
| } | ||
| if retry > 3 { | ||
| return nil, err | ||
| } | ||
| return newMultipartRequest(url, params, retry+1) | ||
| } | ||
| _ = resp.Body.Close() | ||
| if runConfig.debugMode { | ||
| log.Printf("returns: %v", string(body)) | ||
| } | ||
| if s := resp.Header.Values("Set-Cookie"); len(s) != 0 && runConfig.token == "" { | ||
| for _, v := range s { | ||
| ck := strings.Split(v, ";") | ||
| runConfig.token += ck[0] + ";" | ||
| } | ||
| if runConfig.debugMode { | ||
| log.Printf("cookies set to: %v", runConfig.token) | ||
| } | ||
| } | ||
|
|
||
| return body, nil | ||
| } |
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