mirror of
https://github.com/42wim/matterbridge.git
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133 lines
3.3 KiB
Go
133 lines
3.3 KiB
Go
// mautrix-whatsapp - A Matrix-WhatsApp puppeting bridge.
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// Copyright (C) 2019 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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