mirror of
https://github.com/cwinfo/matterbridge.git
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c91bfd08d8
* remote_avatar: add UseLocalAvatar * remote_avatar: make sure msg.Protocol is always set correctly * remote_avatars: support msg.Account * remote_avatar: add to matterbridge.toml.sample * remote_avatar: clarify something
192 lines
5.2 KiB
Go
192 lines
5.2 KiB
Go
package gateway
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import (
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"fmt"
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"sync"
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"time"
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"github.com/42wim/matterbridge/bridge"
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"github.com/42wim/matterbridge/bridge/config"
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"github.com/42wim/matterbridge/gateway/samechannel"
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"github.com/sirupsen/logrus"
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)
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type Router struct {
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config.Config
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sync.RWMutex
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BridgeMap map[string]bridge.Factory
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Gateways map[string]*Gateway
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Message chan config.Message
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MattermostPlugin chan config.Message
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logger *logrus.Entry
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}
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// NewRouter initializes a new Matterbridge router for the specified configuration and
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// sets up all required gateways.
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func NewRouter(rootLogger *logrus.Logger, cfg config.Config, bridgeMap map[string]bridge.Factory) (*Router, error) {
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logger := rootLogger.WithFields(logrus.Fields{"prefix": "router"})
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r := &Router{
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Config: cfg,
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BridgeMap: bridgeMap,
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Message: make(chan config.Message),
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MattermostPlugin: make(chan config.Message),
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Gateways: make(map[string]*Gateway),
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logger: logger,
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}
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sgw := samechannel.New(cfg)
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gwconfigs := append(sgw.GetConfig(), cfg.BridgeValues().Gateway...)
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for idx := range gwconfigs {
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entry := &gwconfigs[idx]
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if !entry.Enable {
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continue
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}
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if entry.Name == "" {
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return nil, fmt.Errorf("%s", "Gateway without name found")
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}
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if _, ok := r.Gateways[entry.Name]; ok {
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return nil, fmt.Errorf("Gateway with name %s already exists", entry.Name)
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}
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r.Gateways[entry.Name] = New(rootLogger, entry, r)
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}
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return r, nil
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}
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// Start will connect all gateways belonging to this router and subsequently route messages
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// between them.
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func (r *Router) Start() error {
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m := make(map[string]*bridge.Bridge)
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if len(r.Gateways) == 0 {
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return fmt.Errorf("no [[gateway]] configured. See https://github.com/42wim/matterbridge/wiki/How-to-create-your-config for more info")
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}
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for _, gw := range r.Gateways {
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r.logger.Infof("Parsing gateway %s", gw.Name)
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if len(gw.Bridges) == 0 {
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return fmt.Errorf("no bridges configured for gateway %s. See https://github.com/42wim/matterbridge/wiki/How-to-create-your-config for more info", gw.Name)
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}
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for _, br := range gw.Bridges {
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m[br.Account] = br
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}
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}
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for _, br := range m {
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r.logger.Infof("Starting bridge: %s ", br.Account)
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err := br.Connect()
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if err != nil {
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e := fmt.Errorf("Bridge %s failed to start: %v", br.Account, err)
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if r.disableBridge(br, e) {
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continue
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}
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return e
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}
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err = br.JoinChannels()
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if err != nil {
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e := fmt.Errorf("Bridge %s failed to join channel: %v", br.Account, err)
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if r.disableBridge(br, e) {
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continue
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}
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return e
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}
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}
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// remove unused bridges
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for _, gw := range r.Gateways {
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for i, br := range gw.Bridges {
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if br.Bridger == nil {
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r.logger.Errorf("removing failed bridge %s", i)
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delete(gw.Bridges, i)
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}
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}
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}
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go r.handleReceive()
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//go r.updateChannelMembers()
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return nil
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}
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// disableBridge returns true and empties a bridge if we have IgnoreFailureOnStart configured
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// otherwise returns false
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func (r *Router) disableBridge(br *bridge.Bridge, err error) bool {
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if r.BridgeValues().General.IgnoreFailureOnStart {
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r.logger.Error(err)
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// setting this bridge empty
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*br = bridge.Bridge{}
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return true
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}
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return false
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}
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func (r *Router) getBridge(account string) *bridge.Bridge {
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for _, gw := range r.Gateways {
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if br, ok := gw.Bridges[account]; ok {
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return br
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}
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}
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return nil
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}
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func (r *Router) handleReceive() {
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for msg := range r.Message {
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msg := msg // scopelint
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r.handleEventGetChannelMembers(&msg)
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r.handleEventFailure(&msg)
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r.handleEventRejoinChannels(&msg)
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// Set message protocol based on the account it came from
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msg.Protocol = r.getBridge(msg.Account).Protocol
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filesHandled := false
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for _, gw := range r.Gateways {
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// record all the message ID's of the different bridges
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var msgIDs []*BrMsgID
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if gw.ignoreMessage(&msg) {
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continue
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}
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msg.Timestamp = time.Now()
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gw.modifyMessage(&msg)
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if !filesHandled {
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gw.handleFiles(&msg)
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filesHandled = true
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}
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for _, br := range gw.Bridges {
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msgIDs = append(msgIDs, gw.handleMessage(&msg, br)...)
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}
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if msg.ID != "" {
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_, exists := gw.Messages.Get(msg.Protocol + " " + msg.ID)
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// Only add the message ID if it doesn't already exist
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//
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// For some bridges we always add/update the message ID.
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// This is necessary as msgIDs will change if a bridge returns
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// a different ID in response to edits.
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if !exists || msg.Protocol == "discord" {
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gw.Messages.Add(msg.Protocol+" "+msg.ID, msgIDs)
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}
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}
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}
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}
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}
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// updateChannelMembers sends every minute an GetChannelMembers event to all bridges.
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func (r *Router) updateChannelMembers() {
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// TODO sleep a minute because slack can take a while
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// fix this by having actually connectionDone events send to the router
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time.Sleep(time.Minute)
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for {
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for _, gw := range r.Gateways {
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for _, br := range gw.Bridges {
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// only for slack now
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if br.Protocol != "slack" {
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continue
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}
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r.logger.Debugf("sending %s to %s", config.EventGetChannelMembers, br.Account)
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if _, err := br.Send(config.Message{Event: config.EventGetChannelMembers}); err != nil {
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r.logger.Errorf("updateChannelMembers: %s", err)
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}
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}
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}
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time.Sleep(time.Minute)
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}
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}
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