forked from kkdai/LineBotTemplate
/
main.go
62 lines (55 loc) · 1.65 KB
/
main.go
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// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package main
import (
"fmt"
"log"
"net/http"
"os"
"strconv"
"github.com/line/line-bot-sdk-go/linebot"
)
var bot *linebot.Client
func main() {
strID := os.Getenv("ChannelID")
numID, err := strconv.ParseInt(strID, 10, 64)
if err != nil {
log.Fatal("Wrong environment setting about ChannelID")
}
bot, err = linebot.NewClient(numID, os.Getenv("ChannelSecret"), os.Getenv("MID"))
log.Println("Bot:", bot, " err:", err)
http.HandleFunc("/callback", callbackHandler)
port := os.Getenv("PORT")
addr := fmt.Sprintf(":%s", port)
http.ListenAndServe(addr, nil)
}
func callbackHandler(w http.ResponseWriter, r *http.Request) {
received, err := bot.ParseRequest(r)
if err != nil {
if err == linebot.ErrInvalidSignature {
w.WriteHeader(400)
} else {
w.WriteHeader(500)
}
return
}
for _, result := range received.Results {
content := result.Content()
if content != nil && content.IsMessage && content.ContentType == linebot.ContentTypeText {
text, err := content.TextContent()
_, err = bot.SendText([]string{content.From}, "OK "+text.Text)
if err != nil {
log.Println(err)
}
}
}
}