/* Part of SWI-Prolog Author: Jan Wielemaker E-mail: J.Wielemaker@vu.nl WWW: http://www.swi-prolog.org Copyright (c) 2010-2011, University of Amsterdam, VU University Amsterdam All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ :- asserta(file_search_path(library, '..')). :- use_module(library(uri)). :- use_module(library(http/http_openid)). :- use_module(library(http/http_host)). :- use_module(library(http/http_dispatch)). :- use_module(library(http/http_path)). :- use_module(library(http/thread_httpd)). :- use_module(library(http/html_write)). :- use_module(library(http/http_error)). http:location(openid, root(openid), []). :- multifile http_openid:openid_hook/1. http_openid:openid_hook(trusted(_OpenID, Server)) :- debug(openid(test), 'Trusting server ~q', [Server]). %! server % % Create demo server and client. After starting the server, % contact http://localhost:8000/ server :- debug(openid(_)), Port = 8000, http_server(http_dispatch, [ port(Port) ]). assoc :- openid_associate('http://localhost:8000/openid/server', Handle, Assoc), writeln(Handle-Assoc). %! secret(+Request) is det. % % Example of a handler that requires an OpenID login. If the user % is not logged it, it will be redirected to the login page, from % there to the OpenID server and back here. All this is completely % transparent to us. :- http_handler(root('secret'), secret, []). secret(Request) :- openid_user(Request, User, []), reply_html_page(title('Secret'), [ 'You\'ve reached the secret page as user ', %' a(href(User), User) ]). %! root(+Request). %! allow(+Request). % % Shows an indirect login. :- http_handler(root(.), root, []). :- http_handler(root('test/verify'), openid_verify([return_to(allow)]), []). :- http_handler(root('test/allow'), allow, []). root(_Request) :- reply_html_page(title('Demo OpenID consumer'), [ h1('OpenID consumer'), form([ name(login), action('/test/verify'), method('GET') ], [ div([ 'OpenID: ', input([ name(openid_url), size(40), value('http://localhost:8000/user/bob') % test ]), input([type(submit), value('Verify!')]) ]) ]), p([ 'Or go directly to the ', a(href=secret, 'secret page') ]) ]). allow(Request) :- openid_user(Request, OpenID, []), openid_server(_OpenIDLogin, OpenID, Server), reply_html_page(title('Success'), [ h1('OpenID login succeeded'), p([ 'The OpenID server ', a(href(Server),Server), ' verified you as ', a(href(OpenID), OpenID) ]) ]). /******************************* * OpenID SERVER * *******************************/ :- http_handler(root('user/'), user_page, [prefix]). :- http_handler(openid(server), openid_server([]), []). :- http_handler(openid(grant), openid_grant, []). :- multifile http_openid:openid_hook/1. http_openid:openid_hook(grant(_Request, Options)) :- debug(openid(test), 'Granting access to ~p', [Options]). %! user_page(+Request) is det. % % Generate a page for user as /user/. user_page(Request) :- http_current_host(Request, Host, Port, [ global(true) ]), http_location_by_id(openid_server, ServerLocation), uri_authority_data(host, AComp, Host), uri_authority_data(port, AComp, Port), uri_authority_components(Authority, AComp), uri_data(scheme, Components, http), uri_data(authority, Components, Authority), uri_data(path, Components, ServerLocation), uri_components(OpenIDServer, Components), memberchk(path_info(User), Request), reply_html_page([ link([ rel('openid.server'), href(OpenIDServer) ]), title('OpenID page of ~w'-[User]) ], h1('OpenID page of ~w'-[User])). /******************************* * DEBUG * *******************************/ :- http_handler(root(.), print_request, [prefix]). print_request(Request) :- format('Content-type: text/plain~n~n'), pp(Request).