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/* <!-- copyright */
/*
* aria2 - The high speed download utility
*
* Copyright (C) 2006 Tatsuhiro Tsujikawa
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* In addition, as a special exception, the copyright holders give
* permission to link the code of portions of this program with the
* OpenSSL library under certain conditions as described in each
* individual source file, and distribute linked combinations
* including the two.
* You must obey the GNU General Public License in all respects
* for all of the code used other than OpenSSL. If you modify
* file(s) with this exception, you may extend this exception to your
* version of the file(s), but you are not obligated to do so. If you
* do not wish to do so, delete this exception statement from your
* version. If you delete this exception statement from all source
* files in the program, then also delete it here.
*/
/* copyright --> */
#include "HttpHeader.h"
#include "Range.h"
#include "Util.h"
#include "A2STR.h"
#include <istream>
namespace aria2 {
const std::string HttpHeader::LOCATION("Location");
const std::string HttpHeader::TRANSFER_ENCODING("Transfer-Encoding");
const std::string HttpHeader::CONTENT_ENCODING("Content-Encoding");
const std::string HttpHeader::CONTENT_DISPOSITION("Content-Disposition");
const std::string HttpHeader::SET_COOKIE("Set-Cookie");
const std::string HttpHeader::CHUNKED("chunked");
const std::string HttpHeader::GZIP("gzip");
const std::string HttpHeader::DEFLATE("deflate");
const std::string HttpHeader::CONTENT_TYPE("Content-Type");
const std::string HttpHeader::RETRY_AFTER("Retry-After");
const std::string HttpHeader::CONNECTION("Connection");
const std::string HttpHeader::CLOSE("close");
const std::string HttpHeader::CONTENT_LENGTH("Content-Length");
const std::string HttpHeader::CONTENT_RANGE("Content-Range");
const std::string HttpHeader::LAST_MODIFIED("Last-Modified");
const std::string HttpHeader::HTTP_1_1("HTTP/1.1");
const std::string HttpHeader::S200("200");
const std::string HttpHeader::S300("300");
const std::string HttpHeader::S400("400");
const std::string HttpHeader::S401("401");
const std::string HttpHeader::S404("404");
void HttpHeader::put(const std::string& name, const std::string& value) {
std::multimap<std::string, std::string>::value_type vt(Util::toLower(name), value);
table.insert(vt);
}
bool HttpHeader::defined(const std::string& name) const {
return table.count(Util::toLower(name)) >= 1;
}
const std::string& HttpHeader::getFirst(const std::string& name) const {
std::multimap<std::string, std::string>::const_iterator itr = table.find(Util::toLower(name));
if(itr == table.end()) {
return A2STR::NIL;
} else {
return (*itr).second;
}
}
std::deque<std::string> HttpHeader::get(const std::string& name) const {
std::deque<std::string> v;
std::string n(Util::toLower(name));
std::multimap<std::string, std::string>::const_iterator first =
table.lower_bound(n);
std::multimap<std::string, std::string>::const_iterator last =
table.upper_bound(n);
while(first != last) {
v.push_back((*first).second);
++first;
}
return v;
}
unsigned int HttpHeader::getFirstAsUInt(const std::string& name) const {
return getFirstAsULLInt(name);
}
uint64_t HttpHeader::getFirstAsULLInt(const std::string& name) const {
const std::string& value = getFirst(name);
if(value.empty()) {
return 0;
} else {
return Util::parseULLInt(value);
}
}
RangeHandle HttpHeader::getRange() const
{
const std::string& rangeStr = getFirst(CONTENT_RANGE);
if(rangeStr.empty()) {
const std::string& contentLengthStr = getFirst(CONTENT_LENGTH);
if(contentLengthStr.empty()) {
return SharedHandle<Range>(new Range());
} else {
uint64_t contentLength = Util::parseULLInt(contentLengthStr);
if(contentLength == 0) {
return SharedHandle<Range>(new Range());
} else {
return SharedHandle<Range>(new Range(0, contentLength-1, contentLength));
}
}
}
std::string byteRangeSpec;
{
// we expect that rangeStr looks like 'bytes 100-199/100'
// but some server returns '100-199/100', omitting bytes-unit sepcifier
// 'bytes'.
std::pair<std::string, std::string> splist;
Util::split(splist, rangeStr, ' ');
if(splist.second.empty()) {
// we assume bytes-unit specifier omitted.
byteRangeSpec = splist.first;
} else {
byteRangeSpec = splist.second;
}
}
std::pair<std::string, std::string> byteRangeSpecPair;
Util::split(byteRangeSpecPair, byteRangeSpec, '/');
std::pair<std::string, std::string> byteRangeRespSpecPair;
Util::split(byteRangeRespSpecPair, byteRangeSpecPair.first, '-');
off_t startByte = Util::parseLLInt(byteRangeRespSpecPair.first);
off_t endByte = Util::parseLLInt(byteRangeRespSpecPair.second);
uint64_t entityLength = Util::parseULLInt(byteRangeSpecPair.second);
return SharedHandle<Range>(new Range(startByte, endByte, entityLength));
}
void HttpHeader::setResponseStatus(const std::string& responseStatus)
{
_responseStatus = responseStatus;
}
void HttpHeader::setVersion(const std::string& version)
{
_version = version;
}
void HttpHeader::setMethod(const std::string& method)
{
_method = method;
}
void HttpHeader::setRequestPath(const std::string& requestPath)
{
_requestPath = requestPath;
}
void HttpHeader::fill(std::istream& in)
{
std::string line;
while(std::getline(in, line)) {
line = Util::trim(line);
if(line.empty()) {
break;
}
std::pair<std::string, std::string> hp;
Util::split(hp, line, ':');
put(hp.first, hp.second);
}
}
void HttpHeader::clearField()
{
table.clear();
}
} // namespace aria2
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