Class: Waithook::Webhook

Inherits:
Object
  • Object
show all
Defined in:
lib/waithook.rb

Overview

Represent incoming request to waithook, that was send to client as JSON via websocket connection

Constant Summary collapse

SKIP_FORWARD_HEADERS = 
%w[host content-length connection accept-encoding accept content-encoding]

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(payload, logger: nil, forward_options: {}) ⇒ Webhook

Returns a new instance of Webhook.



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# File 'lib/waithook.rb', line 191

def initialize(payload, logger: nil, forward_options: {})
  @message = payload
  data = JSON.parse(@message)
  @url = data['url']
  @headers = data['headers']
  @body = data['body']
  @method = data['method']
  @logger = logger
  @forward_options = forward_options
end

Instance Attribute Details

#body ⇒ Object (readonly)

Request body (for POST, PATCH, PUT)



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# File 'lib/waithook.rb', line 185

def body
  @body
end

#headers ⇒ Object (readonly)

Hash of headers



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# File 'lib/waithook.rb', line 183

def headers
  @headers
end

#message ⇒ Object (readonly)

Raw message from waithook server



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# File 'lib/waithook.rb', line 189

def message
  @message
end

#method ⇒ Object (readonly)

Request method (“GET”, “POST”, “PATCH”, etc)



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# File 'lib/waithook.rb', line 187

def method
  @method
end

#url ⇒ Object (readonly)

Original request URL, e.g. ‘/my-notification-endpoint?aaa=bbb’



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# File 'lib/waithook.rb', line 181

def url
  @url
end

Instance Method Details

#json_body ⇒ Object

Returns Hash. Access request body encoded as JSON (for POST, PATCH, PUT)



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# File 'lib/waithook.rb', line 234

def json_body
  if @body
    @json_body ||= JSON.parse(@body)
  end
end

#pretty_print(pp_arg = nil, *args) ⇒ Object 



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# File 'lib/waithook.rb', line 202

def pretty_print(pp_arg = nil, *args)
  return super if pp_arg && defined?(super) # method from 'pp' library has same name

  if !@body
    @logger&.debug("Error: Waithook::Webhook has no @body")
    return @message
  end

  if @body.start_with?('{') && @body.end_with?('}') || @body.start_with?('[') && @body.end_with?(']')
    begin
      body_data = JSON.parse(body)
      pretty_body = JSON.pretty_generate(body_data)
      data_without_body = JSON.parse(@message)
      data_without_body.delete('body')

      begin
        require 'coderay'
        pretty_body = CodeRay.scan(pretty_body, :json).term
      rescue => error
        @logger&.debug("Error while trying to use CodeRay: #{error.message}")
      end
      return "#{JSON.pretty_generate(data_without_body)}\nBody:\n#{pretty_body}"
    rescue JSON::ParserError => error
      @logger&.debug("Error while parsing json body: #{error.message}")
    end
  end

  return @message
end

#send_to(url) ⇒ Object

Send webhook information to other HTTP server

webhook = Waithook.subscribe(path: 'my-webhooks').wait_message
webhook.send_to('http://localhost:3000/notification')



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# File 'lib/waithook.rb', line 247

def send_to(url)
  uri = URI.parse(url)
  response = nil

  http_options = {use_ssl: uri.scheme == 'https'}.merge(@forward_options || {})
  Net::HTTP.start(uri.host, uri.port, http_options) do |http|
    http_klass = case method
      when "GET"    then Net::HTTP::Get
      when "POST"   then Net::HTTP::Post
      when "PUT"    then Net::HTTP::Put
      when "PATCH"  then Net::HTTP::Patch
      when "HEAD"   then Net::HTTP::Head
      when "DELETE" then Net::HTTP::Delete
      when "MOVE"   then Net::HTTP::Move
      when "COPY"   then Net::HTTP::Copy
      else Net::HTTP::Post
    end

    request = http_klass.new(uri)
    headers.each do |key, value|
      if !SKIP_FORWARD_HEADERS.include?(key.to_s.downcase)
        request[key] = value
      end
    end

    if body
      request.body = body
    end

    response = http.request(request)
  end

  response
end