Class: M2mKeygen::RequestSigner

Inherits:
Object
  • Object
show all
Extended by:
T::Sig
Defined in:
lib/m2m_keygen/request_signer.rb,
lib/m2m_keygen/request_signer/signed_request.rb

Defined Under Namespace

Classes: SignedRequest

Constant Summary collapse

DEFAULT_EXPIRY_TTL_SECONDS = 
90
NONCE_BYTES = 
16

Instance Method Summary collapse

Constructor Details

#initialize(secret, algorithm: 'sha512', header_name: 'X-Signature', expiry_header: 'X-M2M-Expiry', nonce_header: 'X-M2M-Nonce') ⇒ RequestSigner

Returns a new instance of RequestSigner.



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# File 'lib/m2m_keygen/request_signer.rb', line 22

def initialize(
  secret,
  algorithm: 'sha512',
  header_name: 'X-Signature',
  expiry_header: 'X-M2M-Expiry',
  nonce_header: 'X-M2M-Nonce'
)
  @signature = T.let(Signature.new(secret, algorithm: algorithm), Signature)
  @header_name = T.let(header_name, String)
  @expiry_header = T.let(expiry_header, String)
  @nonce_header = T.let(nonce_header, String)
end

Instance Method Details

#sign_request(verb:, path:, params: {}, body: '', expiry: nil, nonce: nil) ⇒ Object 



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# File 'lib/m2m_keygen/request_signer.rb', line 45

def sign_request(
  verb:,
  path:,
  params: {},
  body: '',
  expiry: nil,
  nonce: nil
)
  resolved_nonce = nonce || SecureRandom.hex(NONCE_BYTES)
  resolved_expiry = expiry || (Time.now.to_i + DEFAULT_EXPIRY_TTL_SECONDS)
  query = build_query(params)

  signature =
    @signature.sign(
      verb: verb,
      path: path,
      expiry: resolved_expiry,
      nonce: resolved_nonce,
      query: query,
      body: body,
    )

  SignedRequest.new(
    headers: {
      @header_name => signature,
      @expiry_header => resolved_expiry.to_s,
      @nonce_header => resolved_nonce,
    },
    query: query,
  )
end