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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
/* $Rev$ $Date$ */
#ifndef tuscany_openauth_hpp
#define tuscany_openauth_hpp
/**
* Tuscany Open auth support utility functions.
*/
#include "string.hpp"
#include "stream.hpp"
#include "list.hpp"
#include "tree.hpp"
#include "value.hpp"
#include "monad.hpp"
#include "../json/json.hpp"
#include "../http/httpd.hpp"
#include "../http/http.hpp"
namespace tuscany {
namespace openauth {
/**
* Return the session id from a request.
*/
const char* cookieName(const char* cs) {
if (*cs != ' ')
return cs;
return cookieName(cs + 1);
}
const maybe<string> sessionID(const list<string> c) {
if (isNil(c))
return maybe<string>();
const string cn = cookieName(c_str(car(c)));
const size_t i = find(cn, "=");
if (i < length(cn)) {
const list<string> kv = mklist<string>(substr(cn, 0, i), substr(cn, i+1));
if (!isNil(kv) && !isNil(cdr(kv))) {
if (car(kv) == "TuscanyOpenAuth")
return cadr(kv);
}
}
return sessionID(cdr(c));
}
const maybe<string> sessionID(const request_rec* r) {
const string c = httpd::cookie(r);
debug(c, "openauth::sessionid::cookies");
if (length(c) == 0)
return maybe<string>();
return sessionID(tokenize(";", c));
}
/**
* Convert a session id to a cookie string.
*/
const string cookie(const string& sid, const string& domain) {
const time_t t = time(NULL) + 86400;
char exp[32];
strftime(exp, 32, "%a, %d-%b-%Y %H:%M:%S GMT", gmtime(&t));
const string c = string("TuscanyOpenAuth=") + sid + "; expires=" + string(exp) + "; domain=." + domain + "; path=/";
debug(c, "openauth::cookie");
return c;
}
/**
* Redirect to the configured login page.
*/
const failable<int> login(const string& page, request_rec* r) {
const list<list<value> > largs = mklist<list<value> >(mklist<value>("openauth_referrer", httpd::escape(httpd::url(r->uri, r))));
const string loc = httpd::url(page, r) + string("?") + http::queryString(largs);
debug(loc, "openauth::login::uri");
return httpd::externalRedirect(loc, r);
}
}
}
#endif /* tuscany_openauth_hpp */
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