Module: KDE

Defined in:
lib/wiki_lyrics/utils/kde.rb

Constant Summary collapse

@@proxy_settings_file = 
"#{ENV["HOME"]}/.kde/share/config/kioslaverc"
@@cfg_type_regexp = 
/^ *ProxyType *= *([0-4]+) *$/
@@excluded_regexp = 
/^ *NoProxyFor *= *([^ ]+) *$/
@@reverse_regexp = 
/^ *ReversedException *= *([^ ]+) *$/
@@protocol_regexp = 
/^ *([^: ]+):\/+/

Class Method Summary collapse

Class Method Details

.get_proxy_settings(protocol = "http") ⇒ Object

returns proxy_url, excluded_urls, reverse



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# File 'lib/wiki_lyrics/utils/kde.rb', line 31

def KDE.get_proxy_settings( protocol="http" )

	protocol = protocol.downcase()
	raise ArgumentError( "Invalid protocol specified" ) if ! ["http", "https", "ftp"].include?( protocol )

	proxy_regexp = /^ *#{protocol}Proxy *= *([^ ]+) *$/

	cfg_type = proxy_url = excluded_urls = reverse = ""
	begin
		File.open( @@proxy_settings_file ).each() do |row|
			row.chomp!()
			md = @@cfg_type_regexp.match( row )
			cfg_type = md[1] if md
			md = proxy_regexp.match( row )
			proxy_url = md[1] if md
			md = @@excluded_regexp.match( row )
			excluded_urls = md[1] if md
			md = @@reverse_regexp.match( row )
			reverse = md[1] if md
		end
	rescue Exception => e
		puts "Error reading KDE proxy settings file: " + e.to_s()
		return nil, [], false
	end

	# cfg_type == 0: connect directly to the internet
	# cfg_type == 1: manual configuration
	# cfg_type == 2: use proxy configuration url (can't do anything with this one)
	# cfg_type == 3: detect automatically (can't do anything with this one either)
	# cfg_type == 4: same as manual configuration but values are read from enviroment variables

	if cfg_type != "1" && cfg_type != "4"
		return nil, [], false
	elsif cfg_type == "4"
		proxy_url = ENV[proxy].to_s().strip()
		excluded_urls = ENV[excluded_urls].to_s().strip()
		end

	return nil, [], false if proxy_url == ""

	# verify proxy_url
	proxy_url = HTTP.normalize_url( proxy_url, "http" )
	return nil, [], false if proxy_url == nil

	# parse excluded_urls list
	excluded_urls_list = []
	excluded_urls.split( "," ).each() do |url|
		url = HTTP.normalize_url( url, "http" )
		excluded_urls_list.insert( -1, url ) if url && !excluded_urls_list.include?( url )
	end

	reverse = reverse.strip().downcase() == "true"

	return proxy_url, excluded_urls_list, reverse
end