Module: SshKeySwitcher::Utils::Helper

Includes:
Contains
Defined in:
lib/ssh_key_switcher/utils/helper.rb

Constant Summary

Constants included from Contains

Contains::SERVER_NAMES, Contains::SSH_DIR, Contains::STRING_DETECT_OPENSSH_KEY

Class Method Summary collapse

Class Method Details

.find_open_ssh_keys ⇒ Object 



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# File 'lib/ssh_key_switcher/utils/helper.rb', line 10

def find_open_ssh_keys
  ssh_folder = File.expand_path(SSH_DIR)

  Dir.glob("#{ssh_folder}/*").select { |file| valid_ssh_key?(file) }.sort
end

.valid_ssh_key?(file) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ssh_key_switcher/utils/helper.rb', line 16

def valid_ssh_key?(file)
  File.open(file, 'rb') do |f|
    # Read the first 20 bytes from the file
    header = f.read(20)
    header.include?(STRING_DETECT_OPENSSH_KEY)
  end
rescue StandardError
  false
end