Class: Otc::Request

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

Defined Under Namespace

Classes: ApiError, UnauthorizedError

Class Method Summary collapse

Class Method Details

.base_uri(service:, path:) ⇒ Object 



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# File 'lib/otc/request.rb', line 10

def base_uri(service:, path:)
  "https://#{service}.#{Configuration.region!}.otc.t-systems.com#{path}"
end

.get(service:, path:, authenticated_request: true) ⇒ Object 



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# File 'lib/otc/request.rb', line 50

def get(service:, path:, authenticated_request: true)
  uri = URI.parse(base_uri(service: service, path: path))
  headers = { "X-Auth-Token" => token } if authenticated_request
  req = Net::HTTP::Get.new(uri.request_uri, headers)
  send(req, uri)
end

.post(service:, path:, body:) ⇒ Object 



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# File 'lib/otc/request.rb', line 57

def post(service:, path:, body:)
  uri = URI.parse(base_uri(service: service, path: path))
  req = Net::HTTP::Post.new(uri.request_uri, "Content-Type" => "application/json;charset=utf8")
  req.body = body
  send(req, uri)
end

.send(req, uri) ⇒ Object 



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# File 'lib/otc/request.rb', line 64

def send(req, uri)
  http = Net::HTTP.new(uri.host, uri.port)
  http.use_ssl = true
  http.request(req).tap do |response|
    raise UnauthorizedError, "could not authorize request" if response.code == "401"
    raise ApiError, "error during api call: #{response.body}" if response.code.to_i >= 300
  end
end

.token ⇒ Object

returns the token if it is still valid (not older than 20 hours) else obtains a new token



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# File 'lib/otc/request.rb', line 16

def token
  latest_timestamp = @_token ? @_token[:timestamp] : nil
  twenty_hours = 20 * 60 * 60

  if latest_timestamp.nil? || latest_timestamp < (Time.now - twenty_hours).to_i
    body = {
      auth: {
        identity: {
          methods: ["password"],
          password: {
            user: {
              name: Configuration.username!,
              password: Configuration.password!,
              domain: { name: Configuration.domainname! }
            }
          }
        },
        scope: {
          project: { id: Configuration.project! }
        }
      }
    }

    response = post(service: "iam", path: "/v3/auth/tokens", body: body.to_json)

    @_token = {
      token: response.fetch("X-Subject-Token"),
      timestamp: Time.now.to_i
    }
  end

  @_token.fetch(:token)
end