2a89037b63
this is necessary for email comparisons
80 lines
2 KiB
Ruby
80 lines
2 KiB
Ruby
module Gitlab
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module Gpg
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extend self
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MUTEX = Mutex.new
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module CurrentKeyChain
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extend self
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def add(key)
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GPGME::Key.import(key)
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end
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def fingerprints_from_key(key)
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import = GPGME::Key.import(key)
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return [] if import.imported == 0
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import.imports.map(&:fingerprint)
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end
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end
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def fingerprints_from_key(key)
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using_tmp_keychain do
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CurrentKeyChain.fingerprints_from_key(key)
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end
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end
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def primary_keyids_from_key(key)
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using_tmp_keychain do
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fingerprints = CurrentKeyChain.fingerprints_from_key(key)
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GPGME::Key.find(:public, fingerprints).map { |raw_key| raw_key.primary_subkey.keyid }
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end
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end
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def user_infos_from_key(key)
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using_tmp_keychain do
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fingerprints = CurrentKeyChain.fingerprints_from_key(key)
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GPGME::Key.find(:public, fingerprints).flat_map do |raw_key|
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raw_key.uids.map { |uid| { name: uid.name, email: uid.email.downcase } }
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end
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end
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end
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# Allows thread safe switching of temporary keychain files
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#
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# 1. The current thread may use nesting of temporary keychain
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# 2. Another thread needs to wait for the lock to be released
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def using_tmp_keychain(&block)
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if MUTEX.locked? && MUTEX.owned?
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optimistic_using_tmp_keychain(&block)
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else
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MUTEX.synchronize do
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optimistic_using_tmp_keychain(&block)
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end
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end
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end
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# 1. Returns the custom home directory if one has been set by calling
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# `GPGME::Engine.home_dir=`
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# 2. Returns the default home directory otherwise
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def current_home_dir
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GPGME::Engine.info.first.home_dir || GPGME::Engine.dirinfo('homedir')
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end
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private
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def optimistic_using_tmp_keychain
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previous_dir = current_home_dir
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Dir.mktmpdir do |dir|
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GPGME::Engine.home_dir = dir
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yield
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end
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ensure
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GPGME::Engine.home_dir = previous_dir
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end
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end
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end
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