130 lines
2.9 KiB
Ruby
130 lines
2.9 KiB
Ruby
require_relative 'shell_env'
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module Grack
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class Auth < Rack::Auth::Basic
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attr_accessor :user, :project, :env
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def call(env)
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@env = env
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@request = Rack::Request.new(env)
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@auth = Request.new(env)
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# Need this patch due to the rails mount
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# Need this if under RELATIVE_URL_ROOT
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unless Gitlab.config.gitlab.relative_url_root.empty?
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# If website is mounted using relative_url_root need to remove it first
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@env['PATH_INFO'] = @request.path.sub(Gitlab.config.gitlab.relative_url_root,'')
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else
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@env['PATH_INFO'] = @request.path
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end
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@env['SCRIPT_NAME'] = ""
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if project
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auth!
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else
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render_not_found
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end
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end
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private
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def auth!
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if @auth.provided?
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return bad_request unless @auth.basic?
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# Authentication with username and password
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login, password = @auth.credentials
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# Allow authentication for GitLab CI service
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# if valid token passed
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if gitlab_ci_request?(login, password)
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return @app.call(env)
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end
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@user = authenticate_user(login, password)
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if @user
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Gitlab::ShellEnv.set_env(@user)
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@env['REMOTE_USER'] = @auth.username
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end
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end
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if authorized_request?
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@app.call(env)
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else
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unauthorized
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end
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end
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def gitlab_ci_request?(login, password)
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if login == "gitlab-ci-token" && project.gitlab_ci?
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token = project.gitlab_ci_service.token
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if token.present? && token == password && git_cmd == 'git-upload-pack'
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return true
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end
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end
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false
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end
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def authenticate_user(login, password)
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auth = Gitlab::Auth.new
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auth.find(login, password)
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end
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def authorized_request?
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case git_cmd
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when *Gitlab::GitAccess::DOWNLOAD_COMMANDS
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if user
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Gitlab::GitAccess.new.download_access_check(user, project).allowed?
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elsif project.public?
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# Allow clone/fetch for public projects
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true
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else
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false
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end
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when *Gitlab::GitAccess::PUSH_COMMANDS
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if user
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# Skip user authorization on upload request.
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# It will be done by the pre-receive hook in the repository.
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true
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else
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false
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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 git_cmd
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if @request.get?
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@request.params['service']
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elsif @request.post?
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File.basename(@request.path)
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else
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nil
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end
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end
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def project
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@project ||= project_by_path(@request.path_info)
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end
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def project_by_path(path)
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if m = /^([\w\.\/-]+)\.git/.match(path).to_a
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path_with_namespace = m.last
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path_with_namespace.gsub!(/\.wiki$/, '')
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Project.find_with_namespace(path_with_namespace)
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end
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end
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def render_not_found
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[404, {"Content-Type" => "text/plain"}, ["Not Found"]]
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end
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end
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end
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