Class: Kekkan::CLI::Application

Inherits:
Object
  • Object
show all
Includes:
Base
Defined in:
lib/kekkan/cli/application.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Application

Returns a new instance of Application.



36
37
38
39
40
41
 
# File 'lib/kekkan/cli/application.rb', line 36

def initialize
	@options = {}
	@database = {}

	@options[:debug] = false
end

Instance Attribute Details

#database ⇒ Object

Returns the value of attribute database.



33
34
35
 
# File 'lib/kekkan/cli/application.rb', line 33

def database
  @database
end

Instance Method Details

#consolize(&block) ⇒ Object

Starts a console and executes anything in a block sent to it

Parameters:

  • block —

    Code block to transfer control



172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
 
# File 'lib/kekkan/cli/application.rb', line 172

def consolize &block

	yield

	IRB.setup(nil)
	IRB.conf[:USE_READLINE] = true
	IRB.conf[:PROMPT_MODE] = :SIMPLE

	irb = IRB::Irb.new
	IRB.conf[:MAIN_CONTEXT] = irb.context

	irb.context.evaluate("require 'irb/completion'", 0)

	trap("SIGINT") do
		irb.signal_handle
	end
	catch(:IRB_EXIT) do
		irb.eval_input
	end
end

#create_config(file = CONFIG_FILE) ⇒ Object 



44
45
46
47
48
49
50
51
52
53
54
55
 
# File 'lib/kekkan/cli/application.rb', line 44

def create_config(file=CONFIG_FILE)
	File.open(file, 'w+') do |f|
		f.write("database:\n")
		f.write("  adapter: \n")
		f.write("  host: \n")
		f.write("  port: \n")
		f.write("  database: \n")
		f.write("  username: \n")
		f.write("  password: \n")
		f.write("  timeout: \n\n")
	end
end

#db_connect ⇒ Object 



122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
 
# File 'lib/kekkan/cli/application.rb', line 122

def db_connect
	begin
		if @database["adapter"] == nil
			puts "[!] #{@database['adapter']}" if @options[:debug]

			return false, "[!] Invalid database adapter, please check your configuration file"
		end

		ActiveRecord::Base.establish_connection(@database)
		connection = ActiveRecord::Base.connection

		if @database["adapter"] =~ /sqlite/
			connection.execute("PRAGMA default_synchronous=OFF;")
			connection.execute("PRAGMA synchronous=OFF;")
			connection.execute("PRAGMA journal_mode=OFF;")
		end

		connection
	rescue ActiveRecord::AdapterNotSpecified => ans
		puts "[!] Database adapter not found, please check your configuration file"
		puts "#{ans.message}\n #{ans.backtrace}" if @options[:debug]
		exit
	rescue ActiveRecord::AdapterNotFound => anf
		puts "[!] Database adapter not found, please check your configuration file"
		puts "#{anf.message}\n #{anf.backtrace}" if @options[:debug]
		exit
	rescue => e
		puts "[!] Exception! #{e.message}\n #{e.backtrace}"
	end
end

#load_config(file = CONFIG_FILE, memory_config = false) ⇒ Object 



58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
 
# File 'lib/kekkan/cli/application.rb', line 58

def load_config(file=CONFIG_FILE, memory_config=false)
	if File.exists?(file) == true or memory_config == true
		begin
			if memory_config
				yaml = YAML::load(file)
			else
				yaml = YAML::load(File.open(file))
			end

			@database = yaml["database"]

			puts @database.inspect if @options[:debug]

		rescue => e
			puts "[!] Error loading configuration! - #{e.message}"
			exit
		end
	else
		puts "[!] Configuration file does not exist!"
		exit
	end
end

#migrate(direction) ⇒ Object

Initiator for [ActiveRecord] migrations.

Parameters:

  • direction (Symbol) —

    :up or :down



84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
 
# File 'lib/kekkan/cli/application.rb', line 84

def migrate(direction)
	begin
		if @database["adapter"] == nil
			return false, "[!] Invalid database adapter, please check your configuration file"
		end

		ActiveRecord::Base.establish_connection(@database)
		require 'kekkan/base/schema'
		Schema.migrate(direction)

		if direction == :up
			puts "[*] Creating tables"
			ver = Version.create
			ver.version = Kekkan::VERSION
			ver.save
		end

		puts "[*] Dropping tables" if direction == :down

	#@todo temp hack, fix this by checking the schema on :up or :down for exiting data
	rescue SQLite3::SQLException => sqlitex
		puts "#{sqlitex.message}\n #{sqlitex.backtrace}" if @options[:debug]
		continue
	rescue ActiveRecord::AdapterNotSpecified => ans
		puts "[!] Database adapter not found, please check your configuration file"
		puts "#{ans.message}\n #{ans.backtrace}" if @options[:debug]
		exit
	rescue ActiveRecord::AdapterNotFound => anf
		puts "[!] Database adapter not found, please check your configuration file"
		puts "#{ans.message}\n #{ans.backtrace}" if @options[:debug]
		exit
	rescue => e
		puts "[!] Exception! #{e.message}\n#{e.backtrace}"
		exit
	end
end

#parse_file(file) ⇒ Object 



283
284
285
286
287
288
289
290
291
292
 
# File 'lib/kekkan/cli/application.rb', line 283

def parse_file file
	begin
		parser = Nokogiri::XML::SAX::Parser.new(Kekkan::Parsers::Cve2Document.new)

		parser.parse(File.open(file))

	rescue => e
		raise e
	end
end

#parse_options ⇒ Object 



194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
 
# File 'lib/kekkan/cli/application.rb', line 194

def parse_options
	begin
		opts = OptionParser.new do |opt|
			opt.banner =	"#{APP_NAME} v#{VERSION}\nJacob Hammack\n#{SITE}\n\n"
			opt.banner << "Usage: #{APP_NAME} [options] [files_to_parse]"

			opt.separator('')
			opt.separator('Configuration Options')

			opt.on('--config-file FILE', "Loads configuration settings for the specified file. By default #{APP_NAME} loads #{CONFIG_FILE}") do |option|
				if File.exists?(option) == true
					@options[:config_file] = option
				else
					puts "[!] Specified config file does not exist. Please specify a file that exists."
					exit
				end
			end

			opt.on('--create-config-file [FILE]',"Creates a configuration file in the current directory with the specified name, Default is #{CONFIG_FILE}") do |option|
				if option == nil
					option = CONFIG_FILE
				end

				if File.exists?(option) == true
					puts "[!] Configuration file already exists; If you wish to over-write this file please delete it."
				else
					if option == nil
						create_config
					else
						create_config option
					end

					exit
				end
			end

		opt.separator('')
			opt.separator('Database Options')

			opt.on('--test-connection','Tests the database connection settings') do |option|
				@options[:test_connection] = option
			end

			opt.on('--create-tables',"Creates the tables required for #{APP_NAME}") do |option|
				@options[:create_tables] = option
			end

			opt.on('--drop-tables', "Deletes the tables and data from #{APP_NAME}") do |option|
				@options[:drop_tables] = option
			end

		opt.separator ''
			opt.separator 'Other Options'

			opt.on_tail('-v', '--version', "Shows application version information") do
				puts "#{APP_NAME}: #{VERSION}\nRuby Version: #{RUBY_VERSION}\nRubygems Version: #{Gem::VERSION}"
				exit
			end

			opt.on('-d','--debug','Enable Debug Mode (More verbose output)') do |option|
				@options[:debug] = true
			end

			opt.on('--console', 'Starts an ActiveRecord console into the configured database') do |option|
				@options[:console] = option
			end

			opt.on_tail("-?", "--help", "Show this message") do
				puts opt.to_s + "\n"
				exit
			end
		end

		if ARGV.length != 0
			opts.parse!
		else
			puts opts.to_s + "\n"
			exit
		end
	rescue OptionParser::MissingArgument => m
		puts opts.to_s + "\n"
		exit
	rescue OptionParser::InvalidOption => i
		puts opts.to_s + "\n"
		exit
	end
end

#run ⇒ Object 



295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
 
# File 'lib/kekkan/cli/application.rb', line 295

def run
	parse_options

	if @options[:debug]
		puts "[*] Enabling Debug Mode"
	end

	if @options[:config_file] != nil
		load_config @options[:config_file]
	else
		load_config
	end

	db_connect

	if @options[:console] != nil
		consolize do
			puts Kekkan::CLI::Banner
			puts "#{APP_NAME} Console v#{VERSION}"
		end
		exit
	end

	if @options[:test_connection] != nil
		result = test_connection?

		puts "#{result[1]}"
		exit
	end

	if @options[:create_tables] != nil
		migrate(:up)
		exit
	end

	if @options[:drop_tables] != nil
		migrate(:down)
		exit
	end

	ARGV.each do |file|
		begin
			parse_file file

		rescue => e
			puts e.inspect
			puts "[!] #{e.message}\n #{e.backtrace.join("\n")}\n"
			puts "[!] Error: #{file}"
			next
		end
	end
end

#test_connection? ⇒ Boolean

Returns:

  • (Boolean) 


154
155
156
157
158
159
160
161
162
163
164
165
166
167
 
# File 'lib/kekkan/cli/application.rb', line 154

def test_connection?
	begin

		db_connect

		if ActiveRecord::Base.connected? == true
			return true, "[*] Connection Test Successful"
		else
			return false, "[!] Connection Test Failed"
		end
	rescue => e
		puts "[!] Exception! #{e.message}\n #{e.backtrace}"
	end
end