75 lines
2.2 KiB
Ruby
75 lines
2.2 KiB
Ruby
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module Gitlab
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class GitAccess
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DOWNLOAD_COMMANDS = %w{ git-upload-pack git-upload-archive }
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PUSH_COMMANDS = %w{ git-receive-pack }
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attr_reader :params, :project, :git_cmd, :user
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def allowed?(actor, cmd, project, ref = nil, oldrev = nil, newrev = nil, forced_push = false)
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case cmd
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when *DOWNLOAD_COMMANDS
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if actor.is_a? User
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download_allowed?(actor, project)
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elsif actor.is_a? DeployKey
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actor.projects.include?(project)
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elsif actor.is_a? Key
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download_allowed?(actor.user, project)
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else
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raise 'Wrong actor'
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end
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when *PUSH_COMMANDS
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if actor.is_a? User
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push_allowed?(actor, project, ref, oldrev, newrev, forced_push)
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elsif actor.is_a? DeployKey
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# Deploy key not allowed to push
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return false
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elsif actor.is_a? Key
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push_allowed?(actor.user, project, ref, oldrev, newrev, forced_push)
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else
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raise 'Wrong actor'
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end
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else
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false
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end
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end
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def download_allowed?(user, project)
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if user && user_allowed?(user)
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user.can?(:download_code, project)
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else
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false
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end
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end
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def push_allowed?(user, project, ref, oldrev, newrev, forced_push)
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if user && user_allowed?(user)
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action = if project.protected_branch?(ref)
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# we dont allow force push to protected branch
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if forced_push.to_s == 'true'
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:force_push_code_to_protected_branches
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# and we dont allow remove of protected branch
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elsif newrev =~ /0000000/
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:remove_protected_branches
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else
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:push_code_to_protected_branches
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end
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elsif project.repository && project.repository.tag_names.include?(ref)
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# Prevent any changes to existing git tag unless user has permissions
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:admin_project
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else
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:push_code
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end
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user.can?(action, project)
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else
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false
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end
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end
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private
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def user_allowed?(user)
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Gitlab::UserAccess.allowed?(user)
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end
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end
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end
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