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/*
*
* Copyright (c) 2006 The Apache Software Foundation
*
* 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.
*
*/
#include "qpid/acl/AclValidator.h"
#include "qpid/acl/AclData.h"
#include "qpid/Exception.h"
#include "qpid/log/Statement.h"
#include "qpid/sys/IntegerTypes.h"
#include <boost/lexical_cast.hpp>
#include <boost/bind.hpp>
#include <numeric>
#include <sstream>
namespace qpid {
namespace acl {
AclValidator::IntPropertyType::IntPropertyType(int64_t i,int64_t j) : min(i), max(j){
}
bool AclValidator::IntPropertyType::validate(const std::string& val) {
int64_t v;
try
{
v = boost::lexical_cast<int64_t>(val);
}catch(const boost::bad_lexical_cast&){
return 0;
}
if (v < min || v >= max){
return 0;
}else{
return 1;
}
}
std::string AclValidator::IntPropertyType::allowedValues() {
return "values should be between " +
boost::lexical_cast<std::string>(min) + " and " +
boost::lexical_cast<std::string>(max);
}
AclValidator::EnumPropertyType::EnumPropertyType(std::vector<std::string>& allowed): values(allowed){
}
bool AclValidator::EnumPropertyType::validate(const std::string& val) {
for (std::vector<std::string>::iterator itr = values.begin(); itr != values.end(); ++itr ){
if (val.compare(*itr) == 0){
return 1;
}
}
return 0;
}
std::string AclValidator::EnumPropertyType::allowedValues() {
std::ostringstream oss;
oss << "possible values are one of { ";
for (std::vector<std::string>::iterator itr = values.begin(); itr != values.end(); itr++ ){
oss << "'" << *itr << "' ";
}
oss << "}";
return oss.str();
}
AclValidator::AclValidator(){
validators.insert(Validator(acl::SPECPROP_MAXQUEUESIZELOWERLIMIT,
boost::shared_ptr<PropertyType>(
new IntPropertyType(0,std::numeric_limits<int64_t>::max()))));
validators.insert(Validator(acl::SPECPROP_MAXQUEUESIZEUPPERLIMIT,
boost::shared_ptr<PropertyType>(
new IntPropertyType(0,std::numeric_limits<int64_t>::max()))));
validators.insert(Validator(acl::SPECPROP_MAXQUEUECOUNTLOWERLIMIT,
boost::shared_ptr<PropertyType>(
new IntPropertyType(0,std::numeric_limits<int64_t>::max()))));
validators.insert(Validator(acl::SPECPROP_MAXQUEUECOUNTUPPERLIMIT,
boost::shared_ptr<PropertyType>(
new IntPropertyType(0,std::numeric_limits<int64_t>::max()))));
validators.insert(Validator(acl::SPECPROP_MAXFILESIZELOWERLIMIT,
boost::shared_ptr<PropertyType>(
new IntPropertyType(0,std::numeric_limits<int64_t>::max()))));
validators.insert(Validator(acl::SPECPROP_MAXFILESIZEUPPERLIMIT,
boost::shared_ptr<PropertyType>(
new IntPropertyType(0,std::numeric_limits<int64_t>::max()))));
validators.insert(Validator(acl::SPECPROP_MAXFILECOUNTLOWERLIMIT,
boost::shared_ptr<PropertyType>(
new IntPropertyType(0,std::numeric_limits<int64_t>::max()))));
validators.insert(Validator(acl::SPECPROP_MAXFILECOUNTUPPERLIMIT,
boost::shared_ptr<PropertyType>(
new IntPropertyType(0,std::numeric_limits<int64_t>::max()))));
std::string policyTypes[] = {"ring", "ring_strict", "flow_to_disk", "reject"};
std::vector<std::string> v(policyTypes, policyTypes + sizeof(policyTypes) / sizeof(std::string));
validators.insert(Validator(acl::SPECPROP_POLICYTYPE,
boost::shared_ptr<PropertyType>(
new EnumPropertyType(v))));
}
AclValidator::~AclValidator(){
}
/* Iterate through the data model and validate the parameters. */
void AclValidator::validate(boost::shared_ptr<AclData> d) {
for (unsigned int cnt=0; cnt< qpid::acl::ACTIONSIZE; cnt++){
if (d->actionList[cnt]){
for (unsigned int cnt1=0; cnt1< qpid::acl::OBJECTSIZE; cnt1++){
if (d->actionList[cnt][cnt1]){
std::for_each(d->actionList[cnt][cnt1]->begin(),
d->actionList[cnt][cnt1]->end(),
boost::bind(&AclValidator::validateRuleSet, this, _1));
}//if
}//for
}//if
}//for
}
void AclValidator::validateRuleSet(std::pair<const std::string, qpid::acl::AclData::ruleSet>& rules){
std::for_each(rules.second.begin(),
rules.second.end(),
boost::bind(&AclValidator::validateRule, this, _1));
}
void AclValidator::validateRule(qpid::acl::AclData::Rule& rule){
std::for_each(rule.props.begin(),
rule.props.end(),
boost::bind(&AclValidator::validateProperty, this, _1));
}
void AclValidator::validateProperty(std::pair<const qpid::acl::SpecProperty, std::string>& prop){
ValidatorItr itr = validators.find(prop.first);
if (itr != validators.end()){
QPID_LOG(debug,"ACL: Found validator for property '" << acl::AclHelper::getPropertyStr(itr->first)
<< "'. " << itr->second->allowedValues());
if (!itr->second->validate(prop.second)){
QPID_LOG(debug, "ACL: Property failed validation. '" << prop.second << "' is not a valid value for '"
<< AclHelper::getPropertyStr(prop.first) << "'");
throw Exception( prop.second + " is not a valid value for '" +
AclHelper::getPropertyStr(prop.first) + "', " +
itr->second->allowedValues());
}
}
}
}}
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