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# frozen_string_literal: true |
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require 'set' |
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require_relative '../model/policy' |
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module AMA |
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module Chef |
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module User |
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module State |
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# Simple class that builds target state by applying partitions to |
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# clients |
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class Builder |
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# @param [Hash{Symbol, AMA::Chef::User::Model::Client}] clients |
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# @param [Hash{Symbol, AMA::Chef::User::Model::Partition}] partitions |
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# @return [AMA::Chef::User::Model::State] |
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def build(clients, partitions) |
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state = Model::State.new |
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partitions.values.each do |partition| |
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process_partition(state, partition, clients) |
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end |
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clean_state(state) |
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state |
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end |
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private |
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# @param [AMA::Chef::User::Model::State] state |
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# @param [AMA::Chef::User::Model::Partition] partition |
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# @param [Hash<Symbol, AMA::Chef::User::Model::Client>] clients |
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def process_partition(state, partition, clients) |
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unless partition.policy.group == Model::Policy::NONE |
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state.groups[partition.id] = extract_group(partition) |
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end |
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clients.values.each do |client| |
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next unless partition.applies_to(client) |
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apply_partition(state, client, partition) |
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end |
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end |
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# @param [AMA::Chef::User::Model::State] state |
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# @param [AMA::Chef::User::Model::Client] client |
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# @param [AMA::Chef::User::Model::Partition] partition |
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def apply_partition(state, client, partition) |
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account = extract_account(client, partition) |
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state.account!(client.id).merge(account) |
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apply_impersonation(state, client, partition) |
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return unless partition.policy.group != Model::Policy::NONE |
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state.group(partition.id).members.add(account.id) |
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end |
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# @param [AMA::Chef::User::Model::State] state |
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def clean_state(state) |
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state.accounts.reject! do |_, account| |
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account.policy == Model::Policy::NONE |
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end |
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state.groups.reject! do |_, group| |
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group.policy == Model::Policy::NONE |
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end |
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state |
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end |
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def extract_group(partition) |
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group = Model::Group.new(partition.id) |
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group.policy = partition.policy.group |
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group.privileges = partition.privileges.clone |
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group |
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end |
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# rubocop:disable Metrics/AbcSize |
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def extract_account(client, partition) |
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account = Model::Account.new(client.id) |
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account.policy = partition.policy.account |
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unless client.public_keys.empty? |
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account.public_keys!(client.id).merge!(client.public_keys) |
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end |
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unless client.private_keys.empty? |
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account.private_keys!(client.id).merge!(client.private_keys) |
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end |
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if partition.policy.group.nothing? && !partition.privileges.empty? |
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account.privileges = partition.privileges.clone |
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end |
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account |
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end |
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# rubocop:enable Metrics/AbcSize |
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def apply_impersonation(state, client, partition) |
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return if client.public_keys.empty? |
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partition.impersonation.keys.each do |hijacked| |
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package = Model::Account.new(hijacked) |
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package.policy = :edit |
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package.public_keys!(client.id).merge!(client.public_keys) |
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state.account!(hijacked).merge(package) |
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end |
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end |
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end |
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end |
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end |
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end |
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end |
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