Zoom Video SDK client signature generator.

zoom_signature_generator.rb

require 'jwt'

def generate_instant_token(topic, password: '')

  sdk_key = ENV['ZOOM_SDK_KEY']
  sdk_secret = ENV['ZOOM_SDK_SECRET']

  iat = Time.now.to_i
  exp = iat + 60 * 60 * 2

  payload = {
    app_key: sdk_key,
    iat: iat,
    exp: exp,
    tpc: topic,
    pwd: password
  }

  JWT.encode payload, sdk_secret,
             'HS256', { typ: 'JWT' }
end