Class: Saro::Dat::DatCertificate

Inherits:
Object
  • Object
show all
Defined in:
lib/saro/dat/dat_certificate.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(cid, issued_at, issuance_duration, dat_ttl, signature_key, crypto_key) ⇒ DatCertificate

Returns a new instance of DatCertificate.



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# File 'lib/saro/dat/dat_certificate.rb', line 12

def initialize(cid, issued_at, issuance_duration, dat_ttl, signature_key, crypto_key)
  @cid = cid
  @dat_issue_begin = issued_at
  @dat_issue_end = issued_at + issuance_duration
  @dat_ttl = dat_ttl
  @signature_key = signature_key
  @crypto_key = crypto_key
end

Instance Attribute Details

#cid ⇒ Object (readonly)

Returns the value of attribute cid.



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# File 'lib/saro/dat/dat_certificate.rb', line 10

def cid
  @cid
end

#crypto_key ⇒ Object (readonly)

Returns the value of attribute crypto_key.



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# File 'lib/saro/dat/dat_certificate.rb', line 10

def crypto_key
  @crypto_key
end

#dat_issue_begin ⇒ Object (readonly)

Returns the value of attribute dat_issue_begin.



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# File 'lib/saro/dat/dat_certificate.rb', line 10

def dat_issue_begin
  @dat_issue_begin
end

#dat_issue_end ⇒ Object (readonly)

Returns the value of attribute dat_issue_end.



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# File 'lib/saro/dat/dat_certificate.rb', line 10

def dat_issue_end
  @dat_issue_end
end

#dat_ttl ⇒ Object (readonly)

Returns the value of attribute dat_ttl.



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# File 'lib/saro/dat/dat_certificate.rb', line 10

def dat_ttl
  @dat_ttl
end

#signature_key ⇒ Object (readonly)

Returns the value of attribute signature_key.



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# File 'lib/saro/dat/dat_certificate.rb', line 10

def signature_key
  @signature_key
end

Class Method Details

.generate(cid, issued_at, issuance_duration, dat_ttl, signature_algorithm, crypto_algorithm) ⇒ Object 



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# File 'lib/saro/dat/dat_certificate.rb', line 34

def self.generate(cid, issued_at, issuance_duration, dat_ttl, signature_algorithm, crypto_algorithm)
  new(
    cid, issued_at, issuance_duration, dat_ttl,
    Saro::Dat::DatSignature.generate(signature_algorithm),
    Saro::Dat::DatCrypto.generate(crypto_algorithm)
  )
end

.imports(format_str) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/saro/dat/dat_certificate.rb', line 42

def self.imports(format_str)
  parts = format_str.split(".")
  raise ArgumentError, "Invalid Certificate format" if parts.length != 8

  cid = parts[0].to_i(16)
  issued_at = parts[1].to_i
  issuance_duration = parts[2].to_i
  ttl = parts[3].to_i
  sig_algo = parts[4]
  cry_algo = parts[5]
  signature_key = Saro::Dat::DatSignature.imports(sig_algo, parts[6])
  crypto_key = Saro::Dat::DatCrypto.imports(cry_algo, parts[7])

  new(cid, issued_at, issuance_duration, ttl, signature_key, crypto_key)
end

Instance Method Details

#expired ⇒ Object Also known as: expired? 



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# File 'lib/saro/dat/dat_certificate.rb', line 63

def expired
  Time.now.to_i > (@dat_issue_end + @dat_ttl)
end

#exports(verify_only = false) ⇒ Object 



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# File 'lib/saro/dat/dat_certificate.rb', line 21

def exports(verify_only = false)
  cid_hex = @cid.to_s(16)
  issued_at = @dat_issue_begin.to_s
  issuance_duration = (@dat_issue_end - @dat_issue_begin).to_s
  ttl = @dat_ttl.to_s
  sig_alg = @signature_key.algorithm
  cry_alg = @crypto_key.algorithm
  sig_key = @signature_key.exports(verify_only)
  cry_key = @crypto_key.exports

  "#{cid_hex}.#{issued_at}.#{issuance_duration}.#{ttl}.#{sig_alg}.#{cry_alg}.#{sig_key}.#{cry_key}"
end

#issuable ⇒ Object Also known as: issuable? 



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# File 'lib/saro/dat/dat_certificate.rb', line 58

def issuable
  now = Time.now.to_i
  signable && @dat_issue_begin <= now && now <= @dat_issue_end
end

#pair ⇒ Object Also known as: pair? 



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# File 'lib/saro/dat/dat_certificate.rb', line 71

def pair
  @signature_key.pair
end

#signable ⇒ Object Also known as: signable? 



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# File 'lib/saro/dat/dat_certificate.rb', line 67

def signable
  @signature_key.signable
end