-/*
- * Copyright 2001-2005 Internet2
- *
- * Licensed 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.
- */
-
-/*
- * CommonDomainCookie.cpp -- SAML 2.0 discovery cookie implementation
- *
- * Scott Cantor
- * 5/17/2005
- */
-
-#include "internal.h"
-#include <xercesc/util/Base64.hpp>
-
-using namespace std;
-using namespace shibtarget;
-using namespace log4cpp;
-
-const char CommonDomainCookie::CDCName[] = "_saml_idp";
-
-CommonDomainCookie::CommonDomainCookie(const char* cookie)
-{
- if (!cookie)
- return;
-
- Category& log=Category::getInstance(SHIBT_LOGCAT".CommonDomainCookie");
-
- // Copy it so we can URL-decode it.
- char* b64=strdup(cookie);
- ShibTarget::url_decode(b64);
-
- // Chop it up and save off elements.
- vector<string> templist;
- char* ptr=b64;
- while (*ptr) {
- while (*ptr && isspace(*ptr)) ptr++;
- char* end=ptr;
- while (*end && !isspace(*end)) end++;
- templist.push_back(string(ptr,end-ptr));
- ptr=end;
- }
- free(b64);
-
- // Now Base64 decode the list.
- for (vector<string>::iterator i=templist.begin(); i!=templist.end(); i++) {
- unsigned int len;
- XMLByte* decoded=Base64::decode(reinterpret_cast<const XMLByte*>(i->c_str()),&len);
- if (decoded && *decoded) {
- m_list.push_back(reinterpret_cast<char*>(decoded));
- XMLString::release(&decoded);
- }
- else
- log.warn("cookie element does not appear to be base64-encoded");
- }
-}
-
-const char* CommonDomainCookie::set(const char* providerId)
-{
- // First scan the list for this IdP.
- for (vector<string>::iterator i=m_list.begin(); i!=m_list.end(); i++) {
- if (*i == providerId) {
- m_list.erase(i);
- break;
- }
- }
-
- // Append it to the end.
- m_list.push_back(providerId);
-
- // Now rebuild the delimited list.
- string delimited;
- for (vector<string>::const_iterator j=m_list.begin(); j!=m_list.end(); j++) {
- if (!delimited.empty()) delimited += ' ';
-
- unsigned int len;
- XMLByte* b64=Base64::encode(reinterpret_cast<const XMLByte*>(j->c_str()),j->length(),&len);
- XMLByte *pos, *pos2;
- for (pos=b64, pos2=b64; *pos2; pos2++)
- if (isgraph(*pos2))
- *pos++=*pos2;
- *pos=0;
-
- delimited += reinterpret_cast<char*>(b64);
- XMLString::release(&b64);
- }
-
- m_encoded=ShibTarget::url_encode(delimited.c_str());
- return m_encoded.c_str();
-}