CODEWITHSUNDEEP
nginxtelegramtelegram-botlets-encrypttelegram-webhook
Poulad
Poulad

Reputation: 1321

Unable to use Let's Encrypt cert in Telegram bot webhook (Self-Signed cert works fine)

I am trying to setup my Telegram bot webhook using a Let's Encrypt certificate but Telegram keeps saying verification_failed. Browsers, however, are totally fine with new Let's Encrypt certificate.

My self-signed certificate is currently working fine in webhooks on my Ubuntu 17.04 with Nginx web server.

What am i missing?

Current self-signed certificate setup (Works)

I generated my certificate using this command:

openssl req -newkey rsa:2048 -sha256 -nodes -keyout my-cert.key -x509 -days 365 -out my-cert.pem -subj "/C=CA/ST=Ontario/L=Toronto/O=My Organization/CN=example.org"

and Nginx configuration:

server {
    server_name example.org www.example.org localhost;

    listen 443  ssl;
    listen 8080 ssl;
    listen 8443 ssl;

    ssl_certificate     /etc/nginx/certificates/my-cert.pem;
    ssl_certificate_key /etc/nginx/certificates/my-cert.key;

    ssl_protocols TLSv1.2 TLSv1.1 TLSv1;
    ssl_prefer_server_ciphers on;

    location ~* ^/bots/mybot/webhook/.+$ {
        proxy_pass          http://0.0.0.0:5000;
        proxy_http_version  1.1;
        proxy_set_header    Upgrade $http_upgrade;
        proxy_set_header    Connection keep-alive;
        proxy_set_header    Host $host;
        proxy_cache_bypass  $http_upgrade;
        proxy_set_header    X-Forwarded-For $proxy_add_x_forwarded_for;
    }
}

New Let's Encrypt setup (Works in browsers, Fails in webhooks)

Certificate is generated for my domain using EFF's great certbot.

When setting Telegram's webhook, I use /etc/letsencrypt/live/example.org/cert1.pem file.

This is Nginx configuration I tried:

server {
    server_name example.org www.example.org localhost;

    listen  80;
    listen  [::]:80;

    root /var/www/html;
    index index.html index.htm index.nginx-debian.html;

    if ($scheme != "https") {
        return 301 https://$host$request_uri;
    }
}

server {
    server_name example.org www.example.org localhost;

    listen 443  ssl;
    listen 8080 ssl;
    listen 8443 ssl;

    ssl_certificate /etc/letsencrypt/live/example.org/fullchain.pem; # managed by Certbot
    ssl_certificate_key /etc/letsencrypt/live/example.org/privkey.pem; # managed by Certbot

    ssl_protocols TLSv1.2 TLSv1.1 TLSv1;
    ssl_prefer_server_ciphers on;

    location ~* ^/bots/mybot/webhook/.+$ {
        proxy_pass          http://0.0.0.0:5000;
        proxy_http_version  1.1;
        proxy_set_header    Upgrade $http_upgrade;
        proxy_set_header    Connection keep-alive;
        proxy_set_header    Host $host;
        proxy_cache_bypass  $http_upgrade;
        proxy_set_header    X-Forwarded-For $proxy_add_x_forwarded_for;
    }
}

Upvotes: 3

Views: 4538

Answers (1)

creyD
creyD

Reputation: 2126

I tried this a while ago myself with an Apache webserver but on Ubuntu 17.04 too with letsencrypt and it works fine.

You mentioned that you used the setwebhook?url= method with an additional argument (passing the certificate...). Somehow this isn´t needed. You can just enter the url starting with https:// and you are fine.

Upvotes: 4

Related Questions