99 lines
2.7 KiB
Ruby
99 lines
2.7 KiB
Ruby
# frozen_string_literal: true
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module Gitlab
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module Checks
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class DiffCheck < BaseChecker
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include Gitlab::Utils::StrongMemoize
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prepend_if_ee('EE::Gitlab::Checks::DiffCheck') # rubocop: disable Cop/InjectEnterpriseEditionModule
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LOG_MESSAGES = {
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validate_file_paths: "Validating diffs' file paths...",
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diff_content_check: "Validating diff contents..."
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}.freeze
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def validate!
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return if deletion?
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return unless should_run_diff_validations?
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return if commits.empty?
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file_paths = []
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process_commits do |commit|
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validate_once(commit) do
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commit.raw_deltas.each do |diff|
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file_paths.concat([diff.new_path, diff.old_path].compact)
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validate_diff(diff)
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end
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end
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end
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validate_file_paths(file_paths)
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end
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private
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def validate_lfs_file_locks?
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strong_memoize(:validate_lfs_file_locks) do
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project.lfs_enabled? && project.any_lfs_file_locks?
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end
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end
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def should_run_diff_validations?
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validations_for_diff.present? || path_validations.present?
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end
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def validate_diff(diff)
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validations_for_diff.each do |validation|
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if error = validation.call(diff)
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raise ::Gitlab::GitAccess::ForbiddenError, error
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end
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end
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end
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# Method overwritten in EE to inject custom validations
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def validations_for_diff
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[]
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end
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def path_validations
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validate_lfs_file_locks? ? [lfs_file_locks_validation] : []
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end
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def process_commits
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logger.log_timed(LOG_MESSAGES[:diff_content_check]) do
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# n+1: https://gitlab.com/gitlab-org/gitlab/issues/3593
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::Gitlab::GitalyClient.allow_n_plus_1_calls do
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commits.each do |commit|
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logger.check_timeout_reached
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yield(commit)
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end
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end
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end
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end
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def validate_file_paths(file_paths)
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logger.log_timed(LOG_MESSAGES[__method__]) do
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path_validations.each do |validation|
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if error = validation.call(file_paths)
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raise ::Gitlab::GitAccess::ForbiddenError, error
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end
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end
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end
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end
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# rubocop: disable CodeReuse/ActiveRecord
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def lfs_file_locks_validation
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lambda do |paths|
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lfs_lock = project.lfs_file_locks.where(path: paths).where.not(user_id: user_access.user.id).take
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if lfs_lock
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return "The path '#{lfs_lock.path}' is locked in Git LFS by #{lfs_lock.user.name}"
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end
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end
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end
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# rubocop: enable CodeReuse/ActiveRecord
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end
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end
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end
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