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Code Releases Activity

Allow tengo to drop messages using msgDrop (#1272)

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Wim 2020-10-21 21:57:14 +02:00 committed by GitHub
parent 1e0b4532bd
commit ae3bc3358b
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 34 additions and 11 deletions
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41
gateway/gateway.go
View File

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

4
matterbridge.toml.sample
View File

@ -1726,7 +1726,9 @@ InMessage="example.tengo"
#outAccount, outProtocol, outChannel, outGateway, outEvent #outAccount, outProtocol, outChannel, outGateway, outEvent
# #
#read-write: #read-write:
#msgText, msgUsername #msgText, msgUsername, msgDrop
#
#msgDrop is a bool which is default false, when set true this message will be dropped
# #
#The script is reloaded on every message, so you can modify the script on the fly. #The script is reloaded on every message, so you can modify the script on the fly.
# #