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package main
import (
"crypto/tls"
"fmt"
"log"
"net/http"
"os"
"time"
"github.com/go-redis/redis/v8"
"github.com/labstack/echo/v5"
"github.com/lrstanley/girc"
"github.com/pelletier/go-toml/v2"
"github.com/pocketbase/pocketbase"
"github.com/pocketbase/pocketbase/core"
)
var rdb *redis.Client
const (
redisDialTimeout = 5
redisReadTimeout = 10
redisWriteTimetout = 10
reconnectTime = 30
)
type handlerWrapper struct {
irc *girc.Client
// irc chan *girc.Client
config TomlConfig
}
type SMS struct {
From string `json:"from"`
Text string `json:"text"`
SentStamp int64 `json:"sentStamp"`
ReceivedStamp int64 `json:"receivedStamp"`
Sim string `json:"sim"`
}
type TomlConfig struct {
IrcServer string
IrcPort int
IrcNick string
IrcSaslUser string
IrcSaslPass string
IrcChannel string
RedisAddress string
RedisPassword string
RedisDB int
}
// curl -X 'POST' 'http://127.0.0.1:8090/sms' -H 'content-type: application/json; charset=utf-8' -d $'{"from":"1234567890","text":"Test"}'
func (hw handlerWrapper) postHandler(context echo.Context) error {
sms := new(SMS)
if err := context.Bind(sms); err != nil {
return context.String(http.StatusBadRequest, "bad request")
}
smsInfoReal := SMS{
From: sms.From,
Text: sms.Text,
SentStamp: sms.SentStamp,
ReceivedStamp: sms.ReceivedStamp,
Sim: sms.Sim,
}
for {
if hw.irc != nil {
if hw.irc.IsConnected() {
break
}
}
}
hw.irc.Cmd.Message(hw.config.IrcChannel, fmt.Sprintf("From: %s, Text: %s", sms.From, sms.Text))
log.Println(smsInfoReal)
return context.JSON(http.StatusOK, "OK")
}
func runIRC(appConfig TomlConfig, ircChan chan *girc.Client) {
irc := girc.New(girc.Config{
Server: appConfig.IrcServer,
Port: appConfig.IrcPort,
Nick: appConfig.IrcNick,
User: appConfig.IrcNick,
Name: appConfig.IrcNick,
SSL: true,
TLSConfig: &tls.Config{InsecureSkipVerify: true},
})
saslUser := appConfig.IrcSaslUser
saslPass := appConfig.IrcSaslPass
if saslUser != "" && saslPass != "" {
irc.Config.SASL = &girc.SASLPlain{
User: appConfig.IrcSaslUser,
Pass: appConfig.IrcSaslPass,
}
}
irc.Handlers.AddBg(girc.CONNECTED, func(c *girc.Client, e girc.Event) {
c.Cmd.Join(appConfig.IrcChannel)
})
// irc.Handlers.AddBg(girc.PRIVMSG, func(c *girc.Client, e girc.Event) {})
ircChan <- irc
for {
if err := irc.Connect(); err != nil {
log.Println(err)
log.Println("reconnecting in 30 seconds")
time.Sleep(reconnectTime * time.Second)
} else {
return
}
}
}
func main() {
var appConfig TomlConfig
data, err := os.ReadFile("/opt/smswebhook/config.toml")
if err != nil {
log.Fatal(err)
}
err = toml.Unmarshal(data, &appConfig)
if err != nil {
log.Fatal(err)
}
log.Println(appConfig)
rdb = redis.NewClient(&redis.Options{
Addr: appConfig.RedisAddress,
Password: appConfig.RedisPassword,
DB: appConfig.RedisDB,
DialTimeout: redisDialTimeout,
ReadTimeout: redisReadTimeout,
WriteTimeout: redisWriteTimetout,
})
defer rdb.Close()
app := pocketbase.New()
ircChan := make(chan *girc.Client, 1)
hw := handlerWrapper{irc: nil, config: appConfig}
app.OnBeforeServe().Add(func(e *core.ServeEvent) error {
go runIRC(appConfig, ircChan)
hw.irc = <-ircChan
e.Router.POST("/sms", hw.postHandler)
return nil
})
if err := app.Start(); err != nil {
log.Fatal(err)
}
}
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