66 lines
2.3 KiB
Ruby
66 lines
2.3 KiB
Ruby
# Filters added to this controller will be run for all controllers in the application.
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# Likewise, all the methods added will be available for all controllers.
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class ApplicationController < ActionController::Base
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def authorize_web
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@user = User.find_by_token(session[:token])
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end
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def require_user
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redirect_to :controller => 'user', :action => 'login' unless @user
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end
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def authorize(realm='Web Password', errormessage="Could't authenticate you")
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username, passwd = get_auth_data # parse from headers
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# authenticate per-scheme
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if username.nil?
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@user = nil # no authentication provided - perhaps first connect (client should retry after 401)
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elsif username == 'token'
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@user = User.authenticate_token(passwd) # preferred - random token for user from db, passed in basic auth
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else
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@user = User.authenticate(username, passwd) # basic auth
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end
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# handle authenticate pass/fail
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if @user
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# user exists and password is correct ... horray!
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if @user.methods.include? 'lastlogin' # note last login
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@session['lastlogin'] = user.lastlogin
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@user.last.login = Time.now
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@user.save()
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@session["User.id"] = @user.id
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end
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else
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# no auth, the user does not exist or the password was wrong
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response.headers["Status"] = "Unauthorized"
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response.headers["WWW-Authenticate"] = "Basic realm=\"#{realm}\""
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render_text(errormessage, 401) # :unauthorized
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end
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end
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def get_xml_doc
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doc = XML::Document.new
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doc.encoding = 'UTF-8'
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root = XML::Node.new 'osm'
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root['version'] = API_VERSION
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root['generator'] = 'OpenStreetMap server'
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doc.root = root
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return doc
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end
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# extract authorisation credentials from headers, returns user = nil if none
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private
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def get_auth_data
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if request.env.has_key? 'X-HTTP_AUTHORIZATION' # where mod_rewrite might have put it
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authdata = request.env['X-HTTP_AUTHORIZATION'].to_s.split
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elsif request.env.has_key? 'HTTP_AUTHORIZATION' # regular location
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authdata = request.env['HTTP_AUTHORIZATION'].to_s.split
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end
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# only basic authentication supported
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if authdata and authdata[0] == 'Basic'
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user, pass = Base64.decode64(authdata[1]).split(':')[0..1]
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end
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return [user, pass]
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end
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end
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