forked from MirrorHub/mautrix-whatsapp
350 lines
9.5 KiB
Go
350 lines
9.5 KiB
Go
// mautrix-whatsapp - A Matrix-WhatsApp puppeting bridge.
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// Copyright (C) 2020 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 config
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import (
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"bytes"
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"strconv"
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"strings"
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"text/template"
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"github.com/Rhymen/go-whatsapp"
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"maunium.net/go/mautrix/event"
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"maunium.net/go/mautrix/id"
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)
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type BridgeConfig struct {
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UsernameTemplate string `yaml:"username_template"`
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DisplaynameTemplate string `yaml:"displayname_template"`
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CommunityTemplate string `yaml:"community_template"`
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ConnectionTimeout int `yaml:"connection_timeout"`
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FetchMessageOnTimeout bool `yaml:"fetch_message_on_timeout"`
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DeliveryReceipts bool `yaml:"delivery_receipts"`
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LoginQRRegenCount int `yaml:"login_qr_regen_count"`
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MaxConnectionAttempts int `yaml:"max_connection_attempts"`
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ConnectionRetryDelay int `yaml:"connection_retry_delay"`
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ReportConnectionRetry bool `yaml:"report_connection_retry"`
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AggressiveReconnect bool `yaml:"aggressive_reconnect"`
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ChatListWait int `yaml:"chat_list_wait"`
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PortalSyncWait int `yaml:"portal_sync_wait"`
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UserMessageBuffer int `yaml:"user_message_buffer"`
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PortalMessageBuffer int `yaml:"portal_message_buffer"`
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CallNotices struct {
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Start bool `yaml:"start"`
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End bool `yaml:"end"`
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} `yaml:"call_notices"`
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InitialChatSync int `yaml:"initial_chat_sync_count"`
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InitialHistoryFill int `yaml:"initial_history_fill_count"`
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HistoryDisableNotifs bool `yaml:"initial_history_disable_notifications"`
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RecoverChatSync int `yaml:"recovery_chat_sync_count"`
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RecoverHistory bool `yaml:"recovery_history_backfill"`
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ChatMetaSync bool `yaml:"chat_meta_sync"`
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UserAvatarSync bool `yaml:"user_avatar_sync"`
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BridgeMatrixLeave bool `yaml:"bridge_matrix_leave"`
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SyncChatMaxAge uint64 `yaml:"sync_max_chat_age"`
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SyncWithCustomPuppets bool `yaml:"sync_with_custom_puppets"`
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SyncDirectChatList bool `yaml:"sync_direct_chat_list"`
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DefaultBridgeReceipts bool `yaml:"default_bridge_receipts"`
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DefaultBridgePresence bool `yaml:"default_bridge_presence"`
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LoginSharedSecret string `yaml:"login_shared_secret"`
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InviteOwnPuppetForBackfilling bool `yaml:"invite_own_puppet_for_backfilling"`
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PrivateChatPortalMeta bool `yaml:"private_chat_portal_meta"`
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ResendBridgeInfo bool `yaml:"resend_bridge_info"`
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WhatsappThumbnail bool `yaml:"whatsapp_thumbnail"`
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AllowUserInvite bool `yaml:"allow_user_invite"`
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CommandPrefix string `yaml:"command_prefix"`
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Encryption struct {
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Allow bool `yaml:"allow"`
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Default bool `yaml:"default"`
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KeySharing struct {
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Allow bool `yaml:"allow"`
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RequireCrossSigning bool `yaml:"require_cross_signing"`
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RequireVerification bool `yaml:"require_verification"`
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} `yaml:"key_sharing"`
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} `yaml:"encryption"`
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Permissions PermissionConfig `yaml:"permissions"`
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Relaybot RelaybotConfig `yaml:"relaybot"`
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usernameTemplate *template.Template `yaml:"-"`
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displaynameTemplate *template.Template `yaml:"-"`
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communityTemplate *template.Template `yaml:"-"`
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}
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func (bc *BridgeConfig) setDefaults() {
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bc.ConnectionTimeout = 20
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bc.FetchMessageOnTimeout = false
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bc.DeliveryReceipts = false
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bc.LoginQRRegenCount = 2
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bc.MaxConnectionAttempts = 3
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bc.ConnectionRetryDelay = -1
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bc.ReportConnectionRetry = true
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bc.ChatListWait = 30
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bc.PortalSyncWait = 600
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bc.UserMessageBuffer = 1024
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bc.PortalMessageBuffer = 128
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bc.CallNotices.Start = true
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bc.CallNotices.End = true
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bc.InitialChatSync = 10
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bc.InitialHistoryFill = 20
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bc.RecoverChatSync = -1
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bc.RecoverHistory = true
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bc.ChatMetaSync = true
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bc.UserAvatarSync = true
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bc.BridgeMatrixLeave = true
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bc.SyncChatMaxAge = 259200
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bc.SyncWithCustomPuppets = true
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bc.DefaultBridgePresence = true
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bc.DefaultBridgeReceipts = true
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bc.LoginSharedSecret = ""
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bc.InviteOwnPuppetForBackfilling = true
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bc.PrivateChatPortalMeta = false
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}
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type umBridgeConfig BridgeConfig
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func (bc *BridgeConfig) UnmarshalYAML(unmarshal func(interface{}) error) error {
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err := unmarshal((*umBridgeConfig)(bc))
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if err != nil {
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return err
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}
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bc.usernameTemplate, err = template.New("username").Parse(bc.UsernameTemplate)
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if err != nil {
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return err
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}
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bc.displaynameTemplate, err = template.New("displayname").Parse(bc.DisplaynameTemplate)
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if err != nil {
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return err
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}
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if len(bc.CommunityTemplate) > 0 {
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bc.communityTemplate, err = template.New("community").Parse(bc.CommunityTemplate)
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if err != nil {
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return err
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}
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}
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return nil
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}
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type UsernameTemplateArgs struct {
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UserID id.UserID
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}
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func (bc BridgeConfig) FormatDisplayname(contact whatsapp.Contact) (string, int8) {
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var buf bytes.Buffer
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if index := strings.IndexRune(contact.JID, '@'); index > 0 {
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contact.JID = "+" + contact.JID[:index]
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}
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bc.displaynameTemplate.Execute(&buf, contact)
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var quality int8
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switch {
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case len(contact.Notify) > 0:
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quality = 3
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case len(contact.Name) > 0 || len(contact.Short) > 0:
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quality = 2
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case len(contact.JID) > 0:
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quality = 1
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default:
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quality = 0
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}
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return buf.String(), quality
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}
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func (bc BridgeConfig) FormatUsername(userID whatsapp.JID) string {
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var buf bytes.Buffer
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bc.usernameTemplate.Execute(&buf, userID)
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return buf.String()
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}
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type CommunityTemplateArgs struct {
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Localpart string
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Server string
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}
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func (bc BridgeConfig) EnableCommunities() bool {
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return bc.communityTemplate != nil
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}
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func (bc BridgeConfig) FormatCommunity(localpart, server string) string {
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var buf bytes.Buffer
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bc.communityTemplate.Execute(&buf, CommunityTemplateArgs{localpart, server})
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return buf.String()
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}
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type PermissionConfig map[string]PermissionLevel
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type PermissionLevel int
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const (
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PermissionLevelDefault PermissionLevel = 0
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PermissionLevelRelaybot PermissionLevel = 5
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PermissionLevelUser PermissionLevel = 10
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PermissionLevelAdmin PermissionLevel = 100
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)
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func (pc *PermissionConfig) UnmarshalYAML(unmarshal func(interface{}) error) error {
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rawPC := make(map[string]string)
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err := unmarshal(&rawPC)
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if err != nil {
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return err
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}
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if *pc == nil {
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*pc = make(map[string]PermissionLevel)
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}
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for key, value := range rawPC {
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switch strings.ToLower(value) {
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case "relaybot":
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(*pc)[key] = PermissionLevelRelaybot
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case "user":
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(*pc)[key] = PermissionLevelUser
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case "admin":
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(*pc)[key] = PermissionLevelAdmin
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default:
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val, err := strconv.Atoi(value)
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if err != nil {
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(*pc)[key] = PermissionLevelDefault
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} else {
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(*pc)[key] = PermissionLevel(val)
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}
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}
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}
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return nil
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}
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func (pc *PermissionConfig) MarshalYAML() (interface{}, error) {
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if *pc == nil {
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return nil, nil
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}
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rawPC := make(map[string]string)
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for key, value := range *pc {
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switch value {
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case PermissionLevelRelaybot:
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rawPC[key] = "relaybot"
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case PermissionLevelUser:
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rawPC[key] = "user"
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case PermissionLevelAdmin:
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rawPC[key] = "admin"
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default:
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rawPC[key] = strconv.Itoa(int(value))
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}
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}
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return rawPC, nil
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}
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func (pc PermissionConfig) IsRelaybotWhitelisted(userID id.UserID) bool {
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return pc.GetPermissionLevel(userID) >= PermissionLevelRelaybot
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}
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func (pc PermissionConfig) IsWhitelisted(userID id.UserID) bool {
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return pc.GetPermissionLevel(userID) >= PermissionLevelUser
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}
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func (pc PermissionConfig) IsAdmin(userID id.UserID) bool {
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return pc.GetPermissionLevel(userID) >= PermissionLevelAdmin
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}
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func (pc PermissionConfig) GetPermissionLevel(userID id.UserID) PermissionLevel {
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permissions, ok := pc[string(userID)]
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if ok {
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return permissions
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}
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_, homeserver, _ := userID.Parse()
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permissions, ok = pc[homeserver]
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if len(homeserver) > 0 && ok {
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return permissions
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}
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permissions, ok = pc["*"]
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if ok {
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return permissions
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}
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return PermissionLevelDefault
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}
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type RelaybotConfig struct {
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Enabled bool `yaml:"enabled"`
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ManagementRoom id.RoomID `yaml:"management"`
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InviteUsers []id.UserID `yaml:"invites"`
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MessageFormats map[event.MessageType]string `yaml:"message_formats"`
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messageTemplates *template.Template `yaml:"-"`
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}
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type umRelaybotConfig RelaybotConfig
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func (rc *RelaybotConfig) UnmarshalYAML(unmarshal func(interface{}) error) error {
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err := unmarshal((*umRelaybotConfig)(rc))
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if err != nil {
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return err
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}
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rc.messageTemplates = template.New("messageTemplates")
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for key, format := range rc.MessageFormats {
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_, err := rc.messageTemplates.New(string(key)).Parse(format)
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if err != nil {
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return err
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}
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}
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return nil
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}
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type Sender struct {
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UserID id.UserID
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*event.MemberEventContent
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}
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type formatData struct {
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Sender Sender
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Message string
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Content *event.MessageEventContent
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}
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func (rc *RelaybotConfig) FormatMessage(content *event.MessageEventContent, sender id.UserID, member *event.MemberEventContent) (string, error) {
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var output strings.Builder
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err := rc.messageTemplates.ExecuteTemplate(&output, string(content.MsgType), formatData{
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Sender: Sender{
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UserID: sender,
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MemberEventContent: member,
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},
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Content: content,
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Message: content.FormattedBody,
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})
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return output.String(), err
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}
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