telegram-bot-go/samples/webhook

Retrieve updates from webhook

Generate a self-signed certificate for incoming webhook

Generate self-signed certificate & private key with following script:

#!/bin/bash
#
# Generate self-signed certificates for Telegram Bot API
# (https://core.telegram.org/bots/self-signed)
# 
# created on : 2015.10.08.
# last update: 2015.10.11.
# 
# by [email protected]

DOMAIN="my.host.com"	# XXX - edit
EXPIRE_IN=3650	# XXX - edit

NUM_BITS=2048	# 2048 bits
C="US"
ST="New York"
L="Brooklyn"
O="Example Company"

PRIVATE_KEY="cert.key"
CERT_PEM="cert.pem"

openssl req -newkey rsa:$NUM_BITS -sha256 -nodes -keyout $PRIVATE_KEY -x509 -days $EXPIRE_IN -out $CERT_PEM -subj "/C=$C/ST=$ST/L=$L/O=$O/CN=$DOMAIN"

# finished
echo "> finished - certificate: $CERT_PEM / private key: $PRIVATE_KEY"

Generated cert.key and cert.pem file will be used in telegrambot.StartWebhookServerAndWait() function.

Also, you can generate certificate and private key using telegrambot.GenCertAndKey() function.

How to build

Edit apiToken, webhookHost, webhookPort, certFilepath, and keyFilepath values in main.go to yours, then build with following command:

$ go build -o telegram main.go

Run

$ ./telegram