ChatworkWebhookVerify

Verify ChatWork webhook signature

Installation

Add this line to your application’s Gemfile:

gem 'chatwork_webhook_verify'

And then execute:

$ bundle

Or install it yourself as:

$ gem install chatwork_webhook_verify

Basic usage

ChatworkWebhookVerify.verify?(token: token, body: body, signature: signature)
#=> true | false

or

ChatworkWebhookVerify.verify!(token: token, body: body, signature: signature)
#=> raise ChatworkWebhookVerify::InvalidSignatureError if signature is invalid

• token : webhook token (default: ChatworkWebhookVerify.config.token)
  • Either token or ChatworkWebhookVerify.config.token is required
• body : request body from webhook
• signature : chatwork_webhook_signature (query string) or X-ChatWorkWebhookSignature (request header)

for Rails

call verify_chatwork_webhook_signature! in your controller

Example 1

# config/initializers/chatwork_webhook_verify.rb
ChatworkWebhookVerify.config.token = ENV["CHATWORK_WEBHOOK_TOKEN"]

# app/controllers/webhook_controller.rb
class WebhookController < ApplicationController
  # `ChatworkWebhookVerify.config.token` is used
  before_action :verify_chatwork_webhook_signature!
end

Example 2

# app/controllers/webhook_controller.rb
class WebhookController < ApplicationController
  before_action :verify_chatwork_webhook_signature_with_own_token!
  def verify_chatwork_webhook_signature_with_own_token!
    verify_chatwork_webhook_signature!("another_token")
  end
end

for Sinatra

# app.rb
class App < Sinatra::Base
  before "/webhook" do
    token     = ENV["CHATWORK_WEBHOOK_TOKEN"]
    body      = request.body.read
    signature = request.env["HTTP_X_CHATWORKWEBHOOKSIGNATURE"]
    ChatworkWebhookVerify.verify!(token: token, body: body, signature: signature)
  end
  post "/webhook" do
    "ok"
  end
end

Configuration

ChatworkWebhookVerify.config.token = ENV["CHATWORK_WEBHOOK_TOKEN"]

• token : default webhook token

Contributing

Contribution directions go here.

License

The gem is available as open source under the terms of the MIT License.