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@ -10,10 +10,8 @@ import (
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"fmt"
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"io"
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"io/ioutil"
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"mime/multipart"
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"net/http"
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"os"
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"strings"
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"net/url"
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"time"
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"github.com/Rhymen/go-whatsapp/crypto/cbc"
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@ -95,7 +93,50 @@ func downloadMedia(url string) (file []byte, mac []byte, err error) {
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return data[:n-10], data[n-10 : n], nil
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}
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func (wac *Conn) Upload(reader io.Reader, appInfo MediaType) (url string, mediaKey []byte, fileEncSha256 []byte, fileSha256 []byte, fileLength uint64, err error) {
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type MediaConn struct {
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Status int `json:"status"`
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MediaConn struct {
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Auth string `json:"auth"`
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TTL int `json:"ttl"`
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Hosts []struct {
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Hostname string `json:"hostname"`
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IPs []string `json:"ips"`
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} `json:"hosts"`
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} `json:"media_conn"`
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}
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func (wac *Conn) queryMediaConn() (hostname, auth string, ttl int, err error) {
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queryReq := []interface{}{"query", "mediaConn"}
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ch, err := wac.writeJson(queryReq)
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if err != nil {
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return "", "", 0, err
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}
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var resp MediaConn
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select {
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case r := <-ch:
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if err = json.Unmarshal([]byte(r), &resp); err != nil {
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return "", "", 0, fmt.Errorf("error decoding query media conn response: %v", err)
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}
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case <-time.After(wac.msgTimeout):
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return "", "", 0, fmt.Errorf("query media conn timed out")
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}
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if resp.Status != 200 {
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return "", "", 0, fmt.Errorf("query media conn responded with %d", resp.Status)
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}
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return resp.MediaConn.Hosts[0].Hostname, resp.MediaConn.Auth, resp.MediaConn.TTL, nil
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}
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var mediaTypeMap = map[MediaType]string{
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MediaImage: "/mms/image",
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MediaVideo: "/mms/video",
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MediaDocument: "/mms/document",
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MediaAudio: "/mms/audio",
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}
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func (wac *Conn) Upload(reader io.Reader, appInfo MediaType) (downloadURL string, mediaKey []byte, fileEncSha256 []byte, fileSha256 []byte, fileLength uint64, err error) {
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data, err := ioutil.ReadAll(reader)
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if err != nil {
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return "", nil, nil, nil, 0, err
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@ -128,67 +169,30 @@ func (wac *Conn) Upload(reader io.Reader, appInfo MediaType) (url string, mediaK
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sha.Write(append(enc, mac...))
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fileEncSha256 = sha.Sum(nil)
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var filetype string
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switch appInfo {
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case MediaImage:
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filetype = "image"
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case MediaAudio:
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filetype = "audio"
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case MediaDocument:
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filetype = "document"
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case MediaVideo:
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filetype = "video"
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}
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uploadReq := []interface{}{"action", "encr_upload", filetype, base64.StdEncoding.EncodeToString(fileEncSha256)}
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ch, err := wac.writeJson(uploadReq)
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if err != nil {
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return "", nil, nil, nil, 0, err
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hostname, auth, _, err := wac.queryMediaConn()
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token := base64.URLEncoding.EncodeToString(fileEncSha256)
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q := url.Values{
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"auth": []string{auth},
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"token": []string{token},
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}
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var resp map[string]interface{}
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select {
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case r := <-ch:
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if err = json.Unmarshal([]byte(r), &resp); err != nil {
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return "", nil, nil, nil, 0, fmt.Errorf("error decoding upload response: %v", err)
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}
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case <-time.After(wac.msgTimeout):
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return "", nil, nil, nil, 0, fmt.Errorf("restore session init timed out")
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path := mediaTypeMap[appInfo]
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uploadURL := url.URL{
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Scheme: "https",
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Host: hostname,
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Path: fmt.Sprintf("%s/%s", path, token),
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RawQuery: q.Encode(),
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}
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if int(resp["status"].(float64)) != 200 {
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return "", nil, nil, nil, 0, fmt.Errorf("upload responsed with %d", resp["status"])
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}
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body := bytes.NewReader(append(enc, mac...))
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var b bytes.Buffer
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w := multipart.NewWriter(&b)
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hashWriter, err := w.CreateFormField("hash")
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if err != nil {
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fmt.Fprintf(os.Stderr, "%v\n", err)
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}
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io.Copy(hashWriter, strings.NewReader(base64.StdEncoding.EncodeToString(fileEncSha256)))
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fileWriter, err := w.CreateFormFile("file", "blob")
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if err != nil {
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fmt.Fprintf(os.Stderr, "%v\n", err)
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}
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io.Copy(fileWriter, bytes.NewReader(append(enc, mac...)))
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err = w.Close()
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if err != nil {
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fmt.Fprintf(os.Stderr, "%v\n", err)
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}
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req, err := http.NewRequest("POST", resp["url"].(string), &b)
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req, err := http.NewRequest("POST", uploadURL.String(), body)
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if err != nil {
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return "", nil, nil, nil, 0, err
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}
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req.Header.Set("Content-Type", w.FormDataContentType())
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req.Header.Set("Origin", "https://web.whatsapp.com")
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req.Header.Set("Referer", "https://web.whatsapp.com/")
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req.URL.Query().Set("f", "j")
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client := &http.Client{}
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// Submit the request
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res, err := client.Do(req)
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Wim
5 years ago
committed by
GitHub