Module: OoxmlCrypt

Defined in:
lib/ooxml_crypt.rb,
lib/ooxml_crypt/version.rb,
ext/ooxml_crypt/ooxml_crypt.c

Defined Under Namespace

Modules: Native Classes: EmptyPassword, Error, FileNotFound

Constant Summary collapse

ERRORS =

should be kept in sync with msoc.h

{ # should be kept in sync with msoc.h
  1  => "not supported format",
  2  => "already encrypted",
  3  => "already decrypted",
  4  => "bad password",
  5  => "bad parameter",
  6  => "small max size",
  7  => "no memory",
  8  => "internal exception",
  9  => "too large file",
  10 => "inFile is empty",
  11 => "outFile is empty",
  12 => "password is empty",
}
VERSION = 
"0.1.4"

Class Method Summary collapse

Class Method Details

.decrypt(data, password) ⇒ Object 



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# File 'lib/ooxml_crypt.rb', line 50

def self.decrypt(data, password)
  with_temp_files(data) do |input, output|
    decrypt_file(input, password, output)
  end
end

.decrypt_file(input, password, output) ⇒ Object

Raises:



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# File 'lib/ooxml_crypt.rb', line 36

def self.decrypt_file(input, password, output)
  raise EmptyPassword if password.nil? || password.empty?
  raise FileNotFound, input unless File.exist?(input)

  result = Native.decrypt_file(input, password, output)
  raise Error, ERRORS[-result] if result != 0
end

.encrypt(data, password) ⇒ Object 



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# File 'lib/ooxml_crypt.rb', line 44

def self.encrypt(data, password)
  with_temp_files(data) do |input, output|
    encrypt_file(input, password, output)
  end
end

.encrypt_file(input, password, output) ⇒ Object

Raises:



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# File 'lib/ooxml_crypt.rb', line 28

def self.encrypt_file(input, password, output)
  raise EmptyPassword if password.nil? || password.empty?
  raise FileNotFound, input unless File.exist?(input)

  result = Native.encrypt_file(input, password, output)
  raise Error, ERRORS[-result] if result != 0
end