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// Copyright (C) 2024 Internet Systems Consortium, Inc. ("ISC")
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
#include <config.h>
#include <cc/simple_parser.h>
#include <http/cfg_http_header.h>
using namespace isc;
using namespace isc::data;
using namespace isc::dhcp;
using namespace std;
namespace isc {
namespace http {
ElementPtr
CfgHttpHeader::toElement() const {
ElementPtr map = isc::data::Element::createMap();
contextToElement(map);
map->set("name", Element::create(name_));
map->set("value", Element::create(value_));
return (map);
}
ElementPtr
CfgHttpHeaderstoElement(const CfgHttpHeaders& headers) {
ElementPtr list = Element::createList();
for (auto const& header : headers) {
list->add(header.toElement());
}
return (list);
}
namespace {
const SimpleKeywords HTTP_HEADER_KEYWORDS = {
{ "name", Element::string },
{ "value", Element::string },
{ "user-context", Element::map }
};
const SimpleRequiredKeywords HTTP_HEADER_REQUIRED = { "name", "value" };
CfgHttpHeader
parseCfgHttpHeader(const ConstElementPtr& config) {
if (!config) {
// Should not happen.
isc_throw(DhcpConfigError, "null 'http-headers' item");
}
if (config->getType() != Element::map) {
isc_throw(DhcpConfigError, "invalid type specified for 'http-headers' "
"item (" << config->getPosition() << ")");
}
SimpleParser::checkKeywords(HTTP_HEADER_KEYWORDS, config);
SimpleParser::checkRequired(HTTP_HEADER_REQUIRED, config);
string name = config->get("name")->stringValue();
if (name.empty()) {
isc_throw(DhcpConfigError, "empty 'name' parameter ("
<< config->get("name")->getPosition() << ")");
}
string value = config->get("value")->stringValue();
if (value.empty()) {
isc_throw(DhcpConfigError, "empty 'value' parameter ("
<< config->get("value")->getPosition() << ")");
}
CfgHttpHeader header(name, value);
ConstElementPtr user_context = config->get("user-context");
if (user_context) {
header.setContext(user_context);
}
return (header);
}
}
CfgHttpHeaders
parseCfgHttpHeaders(const ConstElementPtr& config) {
CfgHttpHeaders headers;
if (!config) {
return (headers);
}
if (config->getType() != Element::list) {
isc_throw(DhcpConfigError, "invalid type specified for parameter "
"'http-headers' (" << config->getPosition() << ")");
}
for (auto const& item : config->listValue()) {
headers.push_back(parseCfgHttpHeader(item));
}
return (headers);
}
} // namespace http
} // namespace isc
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