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- 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
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