forked from MirrorHub/mautrix-whatsapp
283 lines
7.8 KiB
Go
283 lines
7.8 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 main
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import (
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"fmt"
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"github.com/Rhymen/go-whatsapp"
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"maunium.net/go/mautrix"
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"maunium.net/go/mautrix/format"
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"strings"
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"maunium.net/go/maulogger/v2"
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"maunium.net/go/mautrix-appservice"
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"maunium.net/go/mautrix-whatsapp/database"
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"maunium.net/go/mautrix-whatsapp/types"
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"maunium.net/go/mautrix-whatsapp/whatsapp-ext"
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)
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type CommandHandler struct {
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bridge *Bridge
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log maulogger.Logger
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}
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// NewCommandHandler creates a CommandHandler
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func NewCommandHandler(bridge *Bridge) *CommandHandler {
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return &CommandHandler{
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bridge: bridge,
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log: bridge.Log.Sub("Command handler"),
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}
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}
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// CommandEvent stores all data which might be used to handle commands
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type CommandEvent struct {
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Bot *appservice.IntentAPI
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Bridge *Bridge
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Handler *CommandHandler
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RoomID types.MatrixRoomID
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User *User
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Args []string
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}
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// Reply sends a reply to command as notice
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func (ce *CommandEvent) Reply(msg string) {
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content := format.RenderMarkdown(msg)
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content.MsgType = mautrix.MsgNotice
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_, err := ce.Bot.SendMessageEvent(ce.User.ManagementRoom, mautrix.EventMessage, content)
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if err != nil {
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ce.Handler.log.Warnfln("Failed to reply to command from %s: %v", ce.User.MXID, err)
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}
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}
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// Handle handles messages to the bridge
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func (handler *CommandHandler) Handle(roomID types.MatrixRoomID, user *User, message string) {
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args := strings.Split(message, " ")
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cmd := strings.ToLower(args[0])
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ce := &CommandEvent{
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Bot: handler.bridge.Bot,
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Bridge: handler.bridge,
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Handler: handler,
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RoomID: roomID,
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User: user,
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Args: args[1:],
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}
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switch cmd {
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case "login":
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handler.CommandLogin(ce)
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case "logout":
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handler.CommandLogout(ce)
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case "help":
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handler.CommandHelp(ce)
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case "sync":
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handler.CommandSync(ce)
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case "list":
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handler.CommandList(ce)
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case "open":
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handler.CommandOpen(ce)
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case "pm":
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handler.CommandPM(ce)
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default:
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ce.Reply("Unknown Command")
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}
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}
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const cmdLoginHelp = `login - Authenticate this Bridge as WhatsApp Web Client`
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// CommandLogin handles login command
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func (handler *CommandHandler) CommandLogin(ce *CommandEvent) {
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if ce.User.Session != nil {
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ce.Reply("You're already logged in.")
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return
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}
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ce.User.Connect(true)
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ce.User.Login(ce.RoomID)
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}
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const cmdLogoutHelp = `logout - Logout from WhatsApp`
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// CommandLogout handles !logout command
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func (handler *CommandHandler) CommandLogout(ce *CommandEvent) {
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if ce.User.Session == nil {
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ce.Reply("You're not logged in.")
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return
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}
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err := ce.User.Conn.Logout()
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if err != nil {
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ce.User.log.Warnln("Error while logging out:", err)
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ce.Reply("Error while logging out (see logs for details)")
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return
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}
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ce.User.Conn = nil
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ce.User.Session = nil
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ce.User.Update()
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ce.Reply("Logged out successfully.")
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}
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const cmdHelpHelp = `help - Prints this help`
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// CommandHelp handles help command
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func (handler *CommandHandler) CommandHelp(ce *CommandEvent) {
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cmdPrefix := ""
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if ce.User.ManagementRoom != ce.RoomID {
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cmdPrefix = handler.bridge.Config.Bridge.CommandPrefix + " "
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}
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ce.Reply("* " + strings.Join([]string{
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cmdPrefix + cmdHelpHelp,
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cmdPrefix + cmdLoginHelp,
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cmdPrefix + cmdLogoutHelp,
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cmdPrefix + cmdSyncHelp,
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cmdPrefix + cmdListHelp,
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cmdPrefix + cmdOpenHelp,
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cmdPrefix + cmdPMHelp,
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}, "\n* "))
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}
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const cmdSyncHelp = `sync [--create] - Synchronize contacts from phone and optionally create portals for group chats.`
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// CommandSync handles sync command
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func (handler *CommandHandler) CommandSync(ce *CommandEvent) {
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user := ce.User
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create := len(ce.Args) > 0 && ce.Args[0] == "--create"
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handler.log.Debugln("Importing all contacts of", user)
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_, err := user.Conn.Contacts()
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if err != nil {
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handler.log.Errorln("Error on update of contacts of user", user, ":", err)
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return
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}
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for jid, contact := range user.Conn.Store.Contacts {
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if strings.HasSuffix(jid, whatsappExt.NewUserSuffix) {
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puppet := user.bridge.GetPuppetByJID(contact.Jid)
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puppet.Sync(user, contact)
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} else {
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portal := user.bridge.GetPortalByJID(database.GroupPortalKey(contact.Jid))
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if len(portal.MXID) > 0 || create {
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portal.Sync(user, contact)
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}
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}
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}
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ce.Reply("Imported contacts successfully.")
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}
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const cmdListHelp = `list - Get a list of all contacts and groups.`
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func (handler *CommandHandler) CommandList(ce *CommandEvent) {
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var contacts strings.Builder
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var groups strings.Builder
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for jid, contact := range ce.User.Conn.Store.Contacts {
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if strings.HasSuffix(jid, whatsappExt.NewUserSuffix) {
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_, _ = fmt.Fprintf(&contacts, "* %s / %s - `%s`\n", contact.Name, contact.Notify, contact.Jid[:len(contact.Jid)-len(whatsappExt.NewUserSuffix)])
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} else {
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_, _ = fmt.Fprintf(&groups, "* %s - `%s`\n", contact.Name, contact.Jid)
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}
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}
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ce.Reply(fmt.Sprintf("### Contacts\n%s\n\n### Groups\n%s", contacts.String(), groups.String()))
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}
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const cmdOpenHelp = `open <_group JID_> - Open a group chat portal.`
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func (handler *CommandHandler) CommandOpen(ce *CommandEvent) {
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if len(ce.Args) == 0 {
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ce.Reply("**Usage:** `open <group JID>`")
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}
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user := ce.User
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jid := ce.Args[0]
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if strings.HasSuffix(jid, whatsappExt.NewUserSuffix) {
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ce.Reply(fmt.Sprintf("That looks like a user JID. Did you mean `pm %s`?", jid[:len(jid)-len(whatsappExt.NewUserSuffix)]))
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return
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}
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contact, ok := user.Conn.Store.Contacts[jid]
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if !ok {
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ce.Reply("Group JID not found in contacts. Try syncing contacts with `sync` first.")
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return
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}
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handler.log.Debugln("Importing", jid, "for", user)
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portal := user.bridge.GetPortalByJID(database.GroupPortalKey(jid))
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if len(portal.MXID) > 0 {
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portal.Sync(user, contact)
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ce.Reply("Portal room synced.")
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} else {
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portal.Sync(user, contact)
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ce.Reply("Portal room created.")
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}
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}
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const cmdPMHelp = `pm [--force] <_international phone number_> - Open a private chat with the given phone number.`
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func (handler *CommandHandler) CommandPM(ce *CommandEvent) {
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if len(ce.Args) == 0 {
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ce.Reply("**Usage:** `pm [--force] <international phone number>`")
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return
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}
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force := ce.Args[0] == "--force"
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if force {
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ce.Args = ce.Args[1:]
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}
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user := ce.User
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number := strings.Join(ce.Args, "")
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if number[0] == '+' {
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number = number[1:]
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}
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for _, char := range number {
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if char < '0' || char > '9' {
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ce.Reply("Invalid phone number.")
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return
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}
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}
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jid := number + whatsappExt.NewUserSuffix
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handler.log.Debugln("Importing", jid, "for", user)
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contact, ok := user.Conn.Store.Contacts[jid]
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if !ok {
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if !force {
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ce.Reply("Phone number not found in contacts. Try syncing contacts with `sync` first. " +
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"To create a portal anyway, use `pm --force <number>`.")
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return
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}
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contact = whatsapp.Contact{Jid: jid}
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}
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puppet := user.bridge.GetPuppetByJID(contact.Jid)
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puppet.Sync(user, contact)
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portal := user.bridge.GetPortalByJID(database.NewPortalKey(contact.Jid, user.JID))
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if len(portal.MXID) > 0 {
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_, err := portal.MainIntent().InviteUser(portal.MXID, &mautrix.ReqInviteUser{UserID: user.MXID})
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if err != nil {
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fmt.Println(err)
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} else {
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ce.Reply("Existing portal room found, invited you to it.")
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}
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return
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}
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err := portal.CreateMatrixRoom([]string{user.MXID})
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if err != nil {
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ce.Reply(fmt.Sprintf("Failed to create portal room: %v", err))
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return
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}
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ce.Reply("Created portal room and invited you to it.")
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}
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