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Allow tengo to drop messages using msgDrop (#1272)
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parent
1e0b4532bd
commit
ae3bc3358b
@ -1,6 +1,7 @@
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package gateway
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import (
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"fmt"
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"io/ioutil"
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"os"
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"regexp"
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@ -430,8 +431,9 @@ func (gw *Gateway) SendMessage(
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}
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// Too noisy to log like other events
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debugSendMessage := ""
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if msg.Event != config.EventUserTyping {
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gw.logger.Debugf("=> Sending %#v from %s (%s) to %s (%s)", msg, msg.Account, rmsg.Channel, dest.Account, channel.Name)
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debugSendMessage = fmt.Sprintf("=> Sending %#v from %s (%s) to %s (%s)", msg, msg.Account, rmsg.Channel, dest.Account, channel.Name)
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}
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msg.Channel = channel.Name
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@ -456,11 +458,19 @@ func (gw *Gateway) SendMessage(
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msg.ParentID = "msg-parent-not-found"
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}
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err := gw.modifyOutMessageTengo(rmsg, &msg, dest)
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drop, err := gw.modifyOutMessageTengo(rmsg, &msg, dest)
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if err != nil {
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gw.logger.Errorf("modifySendMessageTengo: %s", err)
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}
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if drop {
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gw.logger.Debugf("=> Tengo dropping %#v from %s (%s) to %s (%s)", msg, msg.Account, rmsg.Channel, dest.Account, channel.Name)
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return "", nil
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}
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if debugSendMessage != "" {
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gw.logger.Debug(debugSendMessage)
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}
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// if we are using mattermost plugin account, send messages to MattermostPlugin channel
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// that can be picked up by the mattermost matterbridge plugin
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if dest.Account == "mattermost.plugin" {
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@ -577,22 +587,28 @@ func (gw *Gateway) modifyUsernameTengo(msg *config.Message, br *bridge.Bridge) (
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return c.Get("result").String(), nil
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}
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func (gw *Gateway) modifyOutMessageTengo(origmsg *config.Message, msg *config.Message, br *bridge.Bridge) error {
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func (gw *Gateway) modifyOutMessageTengo(origmsg *config.Message, msg *config.Message, br *bridge.Bridge) (bool, error) {
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filename := gw.BridgeValues().Tengo.OutMessage
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var res []byte
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var err error
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var (
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res []byte
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err error
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drop bool
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)
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if filename == "" {
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res, err = internal.Asset("tengo/outmessage.tengo")
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if err != nil {
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return err
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return drop, err
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}
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} else {
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res, err = ioutil.ReadFile(filename)
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if err != nil {
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return err
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return drop, err
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}
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}
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s := tengo.NewScript(res)
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s.SetImports(stdlib.GetModuleMap(stdlib.AllModuleNames()...))
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_ = s.Add("inAccount", origmsg.Account)
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_ = s.Add("inProtocol", origmsg.Protocol)
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@ -606,14 +622,19 @@ func (gw *Gateway) modifyOutMessageTengo(origmsg *config.Message, msg *config.Me
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_ = s.Add("outEvent", msg.Event)
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_ = s.Add("msgText", msg.Text)
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_ = s.Add("msgUsername", msg.Username)
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_ = s.Add("msgDrop", drop)
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c, err := s.Compile()
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if err != nil {
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return err
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return drop, err
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}
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if err := c.Run(); err != nil {
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return err
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return drop, err
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}
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drop = c.Get("msgDrop").Bool()
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msg.Text = c.Get("msgText").String()
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msg.Username = c.Get("msgUsername").String()
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return nil
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return drop, nil
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}
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@ -1726,7 +1726,9 @@ InMessage="example.tengo"
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#outAccount, outProtocol, outChannel, outGateway, outEvent
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#
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#read-write:
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#msgText, msgUsername
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#msgText, msgUsername, msgDrop
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#
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#msgDrop is a bool which is default false, when set true this message will be dropped
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#
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#The script is reloaded on every message, so you can modify the script on the fly.
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#
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