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120 lines
2.7 KiB
120 lines
2.7 KiB
require_relative 'shell_env'
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require_relative 'grack_ldap'
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require_relative 'grack_helpers'
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module Grack
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class Auth < Rack::Auth::Basic
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include LDAP
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include Helpers
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attr_accessor :user, :project, :ref, :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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@env['PATH_INFO'] = @request.path
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@env['SCRIPT_NAME'] = ""
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auth!
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end
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private
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def auth!
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return render_not_found unless project
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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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@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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else
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return unauthorized
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end
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else
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return unauthorized unless project.public
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end
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if authorized_git_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 authorized_git_request?
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# Git upload and receive
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if @request.get?
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authorize_request(@request.params['service'])
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elsif @request.post?
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authorize_request(File.basename(@request.path))
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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 authenticate_user(login, password)
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user = User.find_by_email(login) || User.find_by_username(login)
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# If the provided login was not a known email or username
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# then user is nil
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if user.nil? || user.ldap_user?
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# Second chance - try LDAP authentication
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return nil unless ldap_conf.enabled
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auth = Gitlab::Auth.new
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auth.ldap_auth(login, password)
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else
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return user if user.valid_password?(password)
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end
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end
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def authorize_request(service)
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case service
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when 'git-upload-pack'
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project.public || can?(user, :download_code, project)
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when'git-receive-pack'
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action = if project.protected_branch?(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 project
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@project ||= project_by_path(@request.path_info)
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end
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def ref
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@ref ||= parse_ref
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end
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def parse_ref
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input = if @env["HTTP_CONTENT_ENCODING"] =~ /gzip/
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Zlib::GzipReader.new(@request.body).read
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else
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@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\.-]+)/n.match(input.force_encoding('ascii-8bit')).to_a.last
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end
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end
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end
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