Initial commit
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9f78f7a655
5 changed files with 1231 additions and 0 deletions
3
.gitignore
vendored
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3
.gitignore
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notification-telegram
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.idea/
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34
Makefile
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34
Makefile
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# Go parameters
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GOCMD=go
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GOBUILD=$(GOCMD) build
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GOCLEAN=$(GOCMD) clean
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GOTEST=$(GOCMD) test
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GOGET=$(GOCMD) get
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LD_OPTS_STATIC=-ldflags "-s -w -extldflags '-static'"
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BINARY_NAME=notification-telegram
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clean:
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@$(RM) "$(BINARY_NAME)"
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build: clean
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$(GOBUILD) $(LD_OPTS_STATIC) -o $(BINARY_NAME) -a -tags netgo
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deploy: build
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cp $(BINARY_NAME) /usr/local/lib/crowdsec/plugins/
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chown root:root /usr/local/lib/crowdsec/plugins/$(BINARY_NAME)
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systemctl restart crowdsec
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docker-deploy: build
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docker cp $(BINARY_NAME) crowdsec:/usr/local/lib/crowdsec/plugins/
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docker exec crowdsec chown root:root /usr/local/lib/crowdsec/plugins/$(BINARY_NAME)
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docker restart crowdsec
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test: deploy
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while ! cscli decisions delete --ip 1.2.3.4 --debug; do continue; done
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cscli decisions add --ip 1.2.3.4 --debug
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cscli decisions delete --ip 1.2.3.4 --debug
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docker-test: docker-deploy
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while ! docker exec crowdsec cscli decisions delete --ip 1.2.3.4 --debug; do continue; done
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docker exec crowdsec cscli decisions add --ip 1.2.3.4 --debug
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docker exec crowdsec cscli decisions delete --ip 1.2.3.4 --debug
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32
go.mod
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32
go.mod
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module crowdsec-notification-telegram
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go 1.17
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require (
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github.com/crowdsecurity/crowdsec v1.3.0
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github.com/go-telegram-bot-api/telegram-bot-api/v5 v5.5.1
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github.com/hashicorp/go-hclog v1.1.0
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github.com/hashicorp/go-plugin v1.4.3
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gopkg.in/yaml.v2 v2.4.0
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)
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require (
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github.com/enescakir/emoji v1.0.0 // indirect
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github.com/fatih/color v1.13.0 // indirect
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github.com/golang/protobuf v1.5.2 // indirect
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github.com/hashicorp/yamux v0.0.0-20180604194846-3520598351bb // indirect
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github.com/kr/pretty v0.3.0 // indirect
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github.com/mattn/go-colorable v0.1.9 // indirect
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github.com/mattn/go-isatty v0.0.14 // indirect
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github.com/mitchellh/go-testing-interface v1.0.0 // indirect
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github.com/oklog/run v1.0.0 // indirect
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github.com/rogpeppe/go-internal v1.8.0 // indirect
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golang.org/x/net v0.0.0-20211209124913-491a49abca63 // indirect
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golang.org/x/sys v0.0.0-20220114195835-da31bd327af9 // indirect
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golang.org/x/text v0.3.7 // indirect
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golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 // indirect
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google.golang.org/genproto v0.0.0-20210114201628-6edceaf6022f // indirect
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google.golang.org/grpc v1.35.0 // indirect
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google.golang.org/protobuf v1.27.1 // indirect
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gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c // indirect
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)
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144
main.go
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144
main.go
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package main
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import (
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"context"
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"encoding/json"
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"errors"
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"fmt"
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"github.com/enescakir/emoji"
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tgbotapi "github.com/go-telegram-bot-api/telegram-bot-api/v5"
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"net/http"
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"os"
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"strings"
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"github.com/crowdsecurity/crowdsec/pkg/protobufs"
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"github.com/hashicorp/go-hclog"
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plugin "github.com/hashicorp/go-plugin"
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"gopkg.in/yaml.v2"
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)
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var logger hclog.Logger = hclog.New(&hclog.LoggerOptions{
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Name: "telegram-plugin",
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Level: hclog.LevelFromString("DEBUG"),
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Output: os.Stderr,
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JSONFormat: true,
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})
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type PluginConfig struct {
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Name string `yaml:"name"`
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LogLevel *string `yaml:"log_level"`
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BotToken string `yaml:"bot_token"`
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ChannelID int64 `yaml:"channel_id"`
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}
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type TelegramPlugin struct {
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ConfigByName map[string]PluginConfig
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}
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type Datas struct {
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Message string `json:"message"`
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Image string `json:"image,omitempty"`
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Country string `json:"country,omitempty"`
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}
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func (n *TelegramPlugin) Configure(ctx context.Context, config *protobufs.Config) (*protobufs.Empty, error) {
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d := PluginConfig{}
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if err := yaml.Unmarshal(config.Config, &d); err != nil {
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return nil, err
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}
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n.ConfigByName[d.Name] = d
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return &protobufs.Empty{}, nil
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}
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func (n *TelegramPlugin) Notify(ctx context.Context, notification *protobufs.Notification) (*protobufs.Empty, error) {
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if _, ok := n.ConfigByName[notification.Name]; !ok {
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return nil, fmt.Errorf("invalid plugin config name %s", notification.Name)
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}
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cfg := n.ConfigByName[notification.Name]
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if cfg.LogLevel != nil && *cfg.LogLevel != "" {
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logger.SetLevel(hclog.LevelFromString(*cfg.LogLevel))
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} else {
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logger.SetLevel(hclog.Info)
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}
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var datas []Datas
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err := json.Unmarshal([]byte(notification.Text), &datas)
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if err != nil {
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logger.Error(err.Error())
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return nil, err
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}
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bot, err := tgbotapi.NewBotAPI(cfg.BotToken)
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if err != nil {
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logger.Error(err.Error())
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return nil, err
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}
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//bot.Debug = true // ToDo alling with logger level
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logger.Info(fmt.Sprintf("Authorized on account %s", bot.Self.UserName))
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for _, data := range datas {
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var flag emoji.Emoji
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if len(data.Country) != 0 {
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flag, err = emoji.CountryFlag(data.Country)
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}
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if len(data.Country) == 0 || err != nil {
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flag = emoji.PirateFlag
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}
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data.Message = strings.Replace(data.Message, ":flag:", string(flag), -1)
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data.Message = strings.Replace(data.Message, ".", "\\.", -1)
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data.Message = strings.Replace(data.Message, "-", "\\-", -1)
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var msg tgbotapi.Chattable
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if len(data.Image) != 0 {
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response, err := http.Get(data.Image)
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if err != nil {
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return nil, err
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}
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defer response.Body.Close()
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if response.StatusCode != 200 {
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return nil, errors.New("received non 200 response code for image")
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}
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tmpMsg := tgbotapi.NewPhoto(cfg.ChannelID, tgbotapi.FileReader{Name: "map.png", Reader: response.Body})
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tmpMsg.Caption = data.Message
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tmpMsg.ParseMode = tgbotapi.ModeMarkdownV2
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msg = tmpMsg
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} else {
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tmpMsg := tgbotapi.NewMessage(cfg.ChannelID, data.Message)
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tmpMsg.ParseMode = tgbotapi.ModeMarkdownV2
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tmpMsg.DisableWebPagePreview = true
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msg = tmpMsg
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}
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_, err = bot.Send(msg)
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if err != nil {
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return nil, err
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}
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}
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return &protobufs.Empty{}, nil
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}
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func main() {
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var handshake = plugin.HandshakeConfig{
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ProtocolVersion: 1,
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MagicCookieKey: "CROWDSEC_PLUGIN_KEY",
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MagicCookieValue: os.Getenv("CROWDSEC_PLUGIN_KEY"),
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}
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plugin.Serve(&plugin.ServeConfig{
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HandshakeConfig: handshake,
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Plugins: map[string]plugin.Plugin{
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"telegram": &protobufs.NotifierPlugin{
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Impl: &TelegramPlugin{ConfigByName: make(map[string]PluginConfig)},
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},
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},
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GRPCServer: plugin.DefaultGRPCServer,
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Logger: logger,
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})
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}
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