114 lines
2.8 KiB
Ruby
114 lines
2.8 KiB
Ruby
module Grack
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class Auth < Rack::Auth::Basic
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attr_accessor :user, :project
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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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# Pass Gitolite update hook
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ENV['GL_BYPASS_UPDATE_HOOK'] = "true"
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# Need this patch due to the rails mount
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@env['PATH_INFO'] = @request.path
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@env['SCRIPT_NAME'] = ""
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return render_not_found unless project
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return unauthorized unless project.public || @auth.provided?
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return bad_request if @auth.provided? && !@auth.basic?
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if valid?
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if @auth.provided?
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@env['REMOTE_USER'] = @auth.username
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end
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return @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 valid?
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if @auth.provided?
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# Authentication with username and password
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login, password = @auth.credentials
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self.user = User.find_by_email(login) || User.find_by_username(login)
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return false unless user.try(:valid_password?, password)
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# Set GL_USER env variable
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ENV['GL_USER'] = user.email
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end
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# Git upload and receive
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if @request.get?
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validate_get_request
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elsif @request.post?
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validate_post_request
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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 validate_get_request
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project.public || can?(user, :download_code, project)
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end
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def validate_post_request
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if @request.path_info.end_with?('git-upload-pack')
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project.public || can?(user, :download_code, project)
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elsif @request.path_info.end_with?('git-receive-pack')
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action = if project.protected_branch?(current_ref)
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:push_code_to_protected_branches
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else
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:push_code
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end
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can?(user, 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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def can?(object, action, subject)
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abilities.allowed?(object, action, subject)
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end
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def current_ref
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if @env["HTTP_CONTENT_ENCODING"] =~ /gzip/
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input = Zlib::GzipReader.new(@request.body).read
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else
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input = @request.body.read
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end
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# Need to reset seek point
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@request.body.rewind
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/refs\/heads\/([\w\.-]+)/.match(input).to_a.last
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end
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def project
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unless instance_variable_defined? :@project
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# Find project by PATH_INFO from env
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if m = /^\/([\w\.\/-]+)\.git/.match(@request.path_info).to_a
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@project = Project.find_with_namespace(m.last)
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end
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end
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return @project
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end
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PLAIN_TYPE = {"Content-Type" => "text/plain"}
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def render_not_found
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[404, PLAIN_TYPE, ["Not Found"]]
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end
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protected
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def abilities
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@abilities ||= begin
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abilities = Six.new
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abilities << Ability
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abilities
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end
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end
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end# Auth
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end# Grack
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