95c8c01450
When a request for GetProfilePicThumb fails, WhatsApp sends an JSON object
containing a status field: `{"status":404}`. In my tests, it did send the
codes 401 and 404 which might correspond to the HTTP status codes. At
least, we don't have data to update the avatar and should stop doing so.
132 lines
3.3 KiB
Go
132 lines
3.3 KiB
Go
// mautrix-whatsapp - A Matrix-WhatsApp puppeting bridge.
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// Copyright (C) 2018 Tulir Asokan
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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package whatsappExt
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import (
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"encoding/json"
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"fmt"
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"io"
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"io/ioutil"
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"net/http"
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"strings"
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"github.com/Rhymen/go-whatsapp"
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)
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const (
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OldUserSuffix = "@c.us"
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NewUserSuffix = "@s.whatsapp.net"
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)
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type ExtendedConn struct {
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*whatsapp.Conn
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handlers []whatsapp.Handler
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}
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func ExtendConn(conn *whatsapp.Conn) *ExtendedConn {
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ext := &ExtendedConn{
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Conn: conn,
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}
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ext.Conn.AddHandler(ext)
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return ext
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}
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type GroupInfo struct {
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JID string `json:"jid"`
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OwnerJID string `json:"owner"`
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Name string `json:"subject"`
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NameSetTime int64 `json:"subjectTime"`
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NameSetBy string `json:"subjectOwner"`
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Topic string `json:"desc"`
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TopicID string `json:"descId"`
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TopicSetAt int64 `json:"descTime"`
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TopicSetBy string `json:"descOwner"`
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GroupCreated int64 `json:"creation"`
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Status int16 `json:"status"`
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Participants []struct {
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JID string `json:"id"`
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IsAdmin bool `json:"isAdmin"`
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IsSuperAdmin bool `json:"isSuperAdmin"`
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} `json:"participants"`
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}
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func (ext *ExtendedConn) GetGroupMetaData(jid string) (*GroupInfo, error) {
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data, err := ext.Conn.GetGroupMetaData(jid)
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if err != nil {
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return nil, fmt.Errorf("failed to get group metadata: %v", err)
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}
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content := <-data
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info := &GroupInfo{}
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err = json.Unmarshal([]byte(content), info)
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if err != nil {
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return info, fmt.Errorf("failed to unmarshal group metadata: %v", err)
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}
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for index, participant := range info.Participants {
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info.Participants[index].JID = strings.Replace(participant.JID, OldUserSuffix, NewUserSuffix, 1)
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}
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info.NameSetBy = strings.Replace(info.NameSetBy, OldUserSuffix, NewUserSuffix, 1)
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info.TopicSetBy = strings.Replace(info.TopicSetBy, OldUserSuffix, NewUserSuffix, 1)
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return info, nil
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}
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type ProfilePicInfo struct {
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URL string `json:"eurl"`
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Tag string `json:"tag"`
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Status int16 `json:"status"`
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}
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func (ppi *ProfilePicInfo) Download() (io.ReadCloser, error) {
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resp, err := http.Get(ppi.URL)
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if err != nil {
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return nil, err
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}
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return resp.Body, nil
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}
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func (ppi *ProfilePicInfo) DownloadBytes() ([]byte, error) {
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body, err := ppi.Download()
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if err != nil {
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return nil, err
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}
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defer body.Close()
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data, err := ioutil.ReadAll(body)
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return data, err
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}
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func (ext *ExtendedConn) GetProfilePicThumb(jid string) (*ProfilePicInfo, error) {
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data, err := ext.Conn.GetProfilePicThumb(jid)
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if err != nil {
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return nil, fmt.Errorf("failed to get avatar: %v", err)
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}
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content := <-data
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info := &ProfilePicInfo{}
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err = json.Unmarshal([]byte(content), info)
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if err != nil {
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return info, fmt.Errorf("failed to unmarshal avatar info: %v", err)
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}
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return info, nil
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}
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