112 lines
2.6 KiB
Ruby
112 lines
2.6 KiB
Ruby
# This concern assumes:
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# - a `#project` accessor
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# - a `#user` accessor
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# - a `#authentication_result` accessor
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# - a `#can?(object, action, subject)` method
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# - a `#ci?` method
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# - a `#download_request?` method
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# - a `#upload_request?` method
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# - a `#has_authentication_ability?(ability)` method
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module LfsRequest
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extend ActiveSupport::Concern
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included do
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before_action :require_lfs_enabled!
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before_action :lfs_check_access!
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end
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private
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def require_lfs_enabled!
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return if Gitlab.config.lfs.enabled
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render(
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json: {
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message: 'Git LFS is not enabled on this GitLab server, contact your admin.',
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documentation_url: help_url
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},
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status: 501
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)
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end
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def lfs_check_access!
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return if download_request? && lfs_download_access?
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return if upload_request? && lfs_upload_access?
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if project.public? || can?(user, :read_project, project)
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lfs_forbidden!
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else
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render_lfs_not_found
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end
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end
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def lfs_forbidden!
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render_lfs_forbidden
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end
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def render_lfs_forbidden
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render(
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json: {
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message: 'Access forbidden. Check your access level.',
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documentation_url: help_url
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},
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content_type: "application/vnd.git-lfs+json",
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status: 403
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)
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end
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def render_lfs_not_found
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render(
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json: {
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message: 'Not found.',
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documentation_url: help_url
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},
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content_type: "application/vnd.git-lfs+json",
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status: 404
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)
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end
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def lfs_download_access?
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return false unless project.lfs_enabled?
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ci? || lfs_deploy_token? || user_can_download_code? || build_can_download_code?
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end
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def lfs_upload_access?
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return false unless project.lfs_enabled?
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has_authentication_ability?(:push_code) && can?(user, :push_code, project)
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end
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def lfs_deploy_token?
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authentication_result.lfs_deploy_token?(project)
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end
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def user_can_download_code?
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has_authentication_ability?(:download_code) && can?(user, :download_code, project)
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end
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def build_can_download_code?
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has_authentication_ability?(:build_download_code) && can?(user, :build_download_code, project)
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end
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def storage_project
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@storage_project ||= begin
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result = project
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# TODO: Make this go to the fork_network root immeadiatly
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# dependant on the discussion in: https://gitlab.com/gitlab-org/gitlab-ce/issues/39769
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result = result.fork_source while result.forked?
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result
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end
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end
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def objects
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@objects ||= (params[:objects] || []).to_a
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end
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def has_authentication_ability?(capability)
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(authentication_abilities || []).include?(capability)
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end
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end
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