Class: IptablesWeb::Configuration

Inherits:
Hash
  • Object
show all
Defined in:
lib/iptables_web/configuration.rb

Constant Summary collapse

CONFIG_FILES = 
%W(#{ENV['HOME']}/.iptables-web/config.yml /etc/iptables-web/config.yml)
STATIC_RULES_FILES = 
%W(#{ENV['HOME']}/.iptables-web/static_rules /etc/iptables-web/static_rules)
CHECKSUM_FILE = 
"#{ENV['HOME']}/.iptables-web/checksum"

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Configuration

Returns a new instance of Configuration.



9
10
11
12
13
14
15
16
17
 
# File 'lib/iptables_web/configuration.rb', line 9

def initialize
  CONFIG_FILES.each do |config|
    puts "Load configuration from #{config}"
    if load(config)
      @loaded = true
      break
    end
  end
end

Instance Attribute Details

#loaded ⇒ Object

Returns the value of attribute loaded.



4
5
6
 
# File 'lib/iptables_web/configuration.rb', line 4

def loaded
  @loaded
end

Class Method Details

.checksum=(checksum) ⇒ Object 



44
45
46
 
# File 'lib/iptables_web/configuration.rb', line 44

def self.checksum=(checksum)
  File.write(CHECKSUM_FILE, checksum)
end

.checksum?(checksum) ⇒ Boolean

Returns:

  • (Boolean) 


40
41
42
 
# File 'lib/iptables_web/configuration.rb', line 40

def self.checksum?(checksum)
  File.exists?(CHECKSUM_FILE) && File.read(CHECKSUM_FILE) == checksum
end

.config_dir ⇒ Object 



48
49
50
 
# File 'lib/iptables_web/configuration.rb', line 48

def self.config_dir
  File.join(ENV['HOME'], '.iptables-web')
end

.static_rules ⇒ Object 



24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
 
# File 'lib/iptables_web/configuration.rb', line 24

def self.static_rules
  rules = STATIC_RULES_FILES.map do |file|
    File.exist?(file) ? File.read(file) : nil
  end.compact.join("\n").strip
  chains = rules.scan(/\*([a-z]+)(.*?)COMMIT/m)
  if chains && chains.size > 0
    chains.each_with_object({}) do |r, obj|
      chain = r[0]
      obj[chain] ||= []
      obj[chain] = obj[chain] | r[1].split("\n")
    end
  else
    { 'filter' => rules.split("\n") }
  end
end

Instance Method Details

#load(config) ⇒ Object 



19
20
21
22
 
# File 'lib/iptables_web/configuration.rb', line 19

def load(config)
  clear
  merge! YAML.load File.read(config) if File.exist?(config)
end