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7 years ago
require 'erb'
require 'logging'
require 'parallel'
module CryptCheck
module Tls
MAX_ANALYSIS_DURATION = 600
PARALLEL_ANALYSIS = 10
@@log = ::Logging.logger[Tls]
def self.grade(hostname, port, server_class:, grade_class:)
timeout MAX_ANALYSIS_DURATION do
grade_class.new server_class.new hostname, port
end
rescue ::Exception => e
@@log.error { "Error during #{hostname}:#{port} analysis : #{e}" }
TlsNotSupportedGrade.new TlsNotSupportedServer.new hostname, port
end
def self.analyze(hosts, template, output, groups = nil, port:, server_class:, grade_class:)
results = {}
semaphore = ::Mutex.new
::Parallel.each hosts, progress: 'Analysing', in_threads: PARALLEL_ANALYSIS, finish: lambda { |item, _, _| puts item[1] } do |description, host|
result = grade host.strip, port, server_class: server_class, grade_class: grade_class
semaphore.synchronize do
if results.include? description
results[description] << result
else
results[description] = [result]
end
end
end
results = ::Hash[groups.collect { |g| [g, results[g]] }] if groups
results.each do |d, _|
results[d].sort! do |a, b|
cmp = score(a) <=> score(b)
if cmp == 0
cmp = b.score <=> a.score
if cmp == 0
cmp = a.server.hostname <=> b.server.hostname
end
end
cmp
end
end
::File.write output, ::ERB.new(::File.read(template)).result(binding)
end
def self.analyze_from_file(file, template, output, port:, server_class:, grade_class:)
config = ::YAML.load_file file
hosts = []
groups = []
config.each do |c|
d, hs = c['description'], c['hostnames']
groups << d
hs.each { |host| hosts << [d, host] }
end
self.analyze hosts, template, output, groups, port: port, server_class: server_class, grade_class: grade_class
end
private
SCORES = %w(A+ A A- B C D E F T M X)
def self.score(a)
SCORES.index a.grade
end
end
end