Module: Vines::Kit

Defined in:
lib/vines/kit.rb

Overview

A module for utility methods with no better home.

Class Method Summary collapse

Class Method Details

.auth_token ⇒ Object

Generates a random 128 character authentication token.



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# File 'lib/vines/kit.rb', line 19

def self.auth_token
  SecureRandom.hex(64)
end

.dialback_key(receiving_server, originating_server, stream_id) ⇒ Object

Generates dialback key as described in XEP-0185



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# File 'lib/vines/kit.rb', line 36

def self.dialback_key(receiving_server, originating_server, stream_id)
  sha = Digest::SHA2.new(256)
  sha.update("#{receiving_server} #{originating_server} #{stream_id}")
  sha.to_s
end

.hmac(key, data) ⇒ Object

Create a hex-encoded, SHA-512 HMAC of the data, using the secret key.



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# File 'lib/vines/kit.rb', line 7

def self.hmac(key, data)
  digest = OpenSSL::Digest::Digest.new("sha512")
  OpenSSL::HMAC.hexdigest(digest, key, data)
end

.local_ip ⇒ Object 



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# File 'lib/vines/kit.rb', line 23

def self.local_ip
  orig = Socket.do_not_reverse_lookup
  Socket.do_not_reverse_lookup = true
  UDPSocket.open do |s|
    s.connect '64.223.187.99', 1
    s.addr.last
  end

  ensure
    Socket.do_not_reverse_lookup = orig
end

.uuid ⇒ Object

Generates a random uuid per rfc 4122 that’s useful for including in stream, iq, and other xmpp stanzas.



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# File 'lib/vines/kit.rb', line 14

def self.uuid
  SecureRandom.uuid
end