87 lines
2.5 KiB
Ruby
87 lines
2.5 KiB
Ruby
module Gitlab
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module Checks
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class ChangeAccess
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attr_reader :user_access, :project, :skip_authorization
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def initialize(
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change, user_access:, project:, env: {}, skip_authorization: false)
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@oldrev, @newrev, @ref = change.values_at(:oldrev, :newrev, :ref)
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@branch_name = Gitlab::Git.branch_name(@ref)
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@user_access = user_access
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@project = project
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@env = env
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@skip_authorization = skip_authorization
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end
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def exec
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error = push_checks || tag_checks || protected_branch_checks
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if error
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GitAccessStatus.new(false, error)
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else
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GitAccessStatus.new(true)
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end
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end
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protected
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def protected_branch_checks
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return if skip_authorization
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return unless @branch_name
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return unless project.protected_branch?(@branch_name)
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if forced_push?
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return "You are not allowed to force push code to a protected branch on this project."
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elsif Gitlab::Git.blank_ref?(@newrev)
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return "You are not allowed to delete protected branches from this project."
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end
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if matching_merge_request?
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if user_access.can_merge_to_branch?(@branch_name) || user_access.can_push_to_branch?(@branch_name)
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return
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else
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"You are not allowed to merge code into protected branches on this project."
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end
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else
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if user_access.can_push_to_branch?(@branch_name)
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return
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else
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"You are not allowed to push code to protected branches on this project."
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end
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end
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end
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def tag_checks
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return if skip_authorization
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tag_ref = Gitlab::Git.tag_name(@ref)
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if tag_ref && protected_tag?(tag_ref) && user_access.cannot_do_action?(:admin_project)
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"You are not allowed to change existing tags on this project."
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end
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end
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def push_checks
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return if skip_authorization
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if user_access.cannot_do_action?(:push_code)
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"You are not allowed to push code to this project."
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end
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end
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private
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def protected_tag?(tag_name)
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project.repository.tag_exists?(tag_name)
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end
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def forced_push?
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Gitlab::Checks::ForcePush.force_push?(@project, @oldrev, @newrev, env: @env)
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end
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def matching_merge_request?
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Checks::MatchingMergeRequest.new(@newrev, @branch_name, @project).match?
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end
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end
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end
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end
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