Method: EncryptDecrypt.interactive_terminal

Defined in:

lib/accu-encrypt.rb

.interactive_terminal ⇒ Object

Opens an interactive terminal session.

# File 'lib/accu-encrypt.rb', line 430

def self.interactive_terminal()
	print "Welcome to interactive encode/decode.  "
	selection = ""
	@@mode = :normal
	verbose = true
	while selection != "q" do
		puts "What would you like to do? |E D I M N Q|"
		selection = gets.downcase
		selection.slice!(-1)
		if selection == "e" then
			file = ""
			ready = false
			while not ready do
				file = FileLibrary.select_file
				if verbose then
					puts "---------\nWARNING!!!!!\n---------\nEncoding a file could un-retrievably destroy the contents of this file.  Are you sure you would like to use this file? |Y N Q|"
					selection2 = gets.downcase
					selection2.slice!(-1)
					while (selection2 != "y" and selection2 != "n" and selection2 != "q") do
						puts "Incorrect choice: |" + selection2 + "|\nAre you sure you would like to use this file? |Y N Q|"
						selection2 = gets.downcase
						selection2.slice!(-1)
					end
					if selection2 == "q" then
						ready = true
						file = ""
					elsif selection2 == "y" then
						ready = true
					end
				else
					ready = true
				end
			end
			if File.exists? file then
				password = EncryptDecrypt.get_password
				if verbose then
					puts "Finally, are you sure you would like to encrypt this file using this password? |Y N|"
					selection2 = gets.downcase
					selection2.slice!(-1)
					if selection2 == "y" then
						self.encrypt_file(file,password,@@mode)
						puts "Successfully encrypted file."
					end
				else
					self.encrypt_file(file,password,@@mode)
					puts "Successfully encrypted file."
				end
			end
		elsif selection == "d" then
			file = ""
			ready = false
			while not ready do
				file = FileLibrary.select_file
				if verbose then
					puts "---------\nWARNING!!!!!\n---------\nDecoding a file which has not been encrypted will destroy the contents.\nDecoding a file with the incorrect password will likely also destroy the file.\n---------\nAre you sure you would like to use this file? |Y N Q|"
					selection2 = gets.downcase
					selection2.slice!(-1)
					while (selection2 != "y" and selection2 != "n" and selection2 != "q") do
						puts "Incorrect choice: |" + selection2 + "|\nAre you sure you would like to use this file? |Y N Q|"
						selection2 = gets.downcase
						selection2.slice!(-1)
					end
					if selection2 == "q" then
						ready = true
						file = ""
					elsif selection2 == "y" then
						ready = true
					end
				else
					ready = true
				end
			end
			if File.exists? file then
				password = EncryptDecrypt.get_password
				if verbose then
					puts "Finally, are you sure you would like to decrypt this file using this password? |Y N|"
					selection2 = gets.downcase
					selection2.slice!(-1)
					if selection2 == "y" then
						self.decrypt_file(file,password,@@mode)
						puts "Successfully decrypted file."
					end
				else
					self.decrypt_file(file,password,@@mode)
					puts "Successfully decrypted file."
				end
			end
		elsif selection == "i" then
			puts EncryptDecrypt.interactive_help
		elsif selection == "m" then
			puts  "Select mode: Double - D Normal - N Verbose - V Unverbose - U"
			selection2 = ""
			selection2 = gets.downcase
			selection2.slice!(-1)
			while (selection2 != "d" and selection2 != "n" and selection2 != "v" and selection2 != "u") do
				puts "Invalid: |" + selection2 + "|"
				selection2 = gets.downcase
				selection2.slice!(-1)
			end
			if selection2 == "d" then
				@@mode = :double
			elsif selection2 == "v" then
				verbose = true
			elsif selection2 == "u" then
				verbose = false
			else
				@@mode = :normal
			end
		elsif selection == "n" then
			puts "Port number: "
			selection2 = ""
			selection2 = gets.downcase
			selection2.slice!(-1)
			while (selection2.to_i == 0 or selection2.to_i == nil) do
				puts "Invalid: |" + selection2 + "|"
				selection2 = gets.downcase
				selection2.slice!(-1)
			end
			port = selection2.to_i
			puts "Would you like to open a client or a server? |C S|"
			selection2 = ""
			selection2 = gets.downcase
			selection2.slice!(-1)
			while (selection2 != "c" and selection2 != "s") do
				puts "Invalid: |" + selection2 + "|"
				selection2 = gets.downcase
				selection2.slice!(-1)
			end
			if selection2 == "c" then
				puts "IP: "
				ip = ""
				ip = gets.downcase
				ip.slice!(-1)
				begin
					server = TCPSocket.open( ip, port )
					EncryptedClient.new( server )
					server.close
				rescue
					puts "ERROR\nConnection probably refused."
				end
			else
				server = TCPServer.open port
				EncryptedServer.new( server.accept )
				server.close
			end
			puts "Returning to normal encryption tasks."
		elsif selection != "q" then
			puts "Incorrect selection: |" + selection + "|"
		end
	end
end