aria2/src/NsCookieParser.cc

128 lines
4.1 KiB
C++

/* <!-- 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 "NsCookieParser.h"
#include <cstdio>
#include <cstring>
#include <limits>
#include "util.h"
#include "A2STR.h"
#include "DlAbortEx.h"
#include "fmt.h"
#include "Cookie.h"
#include "cookie_helper.h"
#include "BufferedFile.h"
#include "array_fun.h"
namespace aria2 {
NsCookieParser::NsCookieParser() {}
NsCookieParser::~NsCookieParser() {}
namespace {
bool parseNsCookie
(Cookie& cookie, const char* buf, size_t buflen, time_t creationTime)
{
std::vector<Scip> vs;
util::splitIter(&buf[0], &buf[buflen], std::back_inserter(vs), '\t', true);
if(vs.size() < 6) {
return false;
}
vs[0].first = util::lstripIter(vs[0].first, vs[0].second, '.');
if(vs[5].first == vs[5].second || vs[0].first == vs[0].second ||
!cookie::goodPath(vs[2].first, vs[2].second)) {
return false;
}
int64_t expiryTime;
if(!util::parseLLIntNoThrow(expiryTime, vs[4].first, vs[4].second)) {
return false;
}
if(std::numeric_limits<time_t>::max() < expiryTime) {
expiryTime = std::numeric_limits<time_t>::max();
} else if(std::numeric_limits<time_t>::min() > expiryTime) {
expiryTime = std::numeric_limits<time_t>::min();
}
cookie.setName(vs[5].first, vs[5].second);
if(vs.size() >= 7) {
cookie.setValue(vs[6].first, vs[6].second);
} else {
cookie.setValue(A2STR::NIL.begin(), A2STR::NIL.end());
}
cookie.setExpiryTime(expiryTime == 0?
std::numeric_limits<time_t>::max():expiryTime);
// aria2 treats expiryTime == 0 means session cookie.
cookie.setPersistent(expiryTime != 0);
cookie.setDomain(vs[0].first, vs[0].second);
const char C_TRUE[] = "TRUE";
cookie.setHostOnly(util::isNumericHost(cookie.getDomain()) ||
!util::streq(vs[1].first, vs[1].second,
C_TRUE, vend(C_TRUE)-1));
cookie.setPath(vs[2].first, vs[2].second);
cookie.setSecure(util::streq(vs[3].first, vs[3].second,
C_TRUE, vend(C_TRUE)-1));
cookie.setCreationTime(creationTime);
return true;
}
} // namespace
std::vector<Cookie> NsCookieParser::parse
(const std::string& filename, time_t creationTime)
{
BufferedFile fp(filename, BufferedFile::READ);
if(!fp) {
throw DL_ABORT_EX(fmt("Failed to open file %s", filename.c_str()));
}
std::vector<Cookie> cookies;
char buf[8192];
while(1) {
if(!fp.getsn(buf, sizeof(buf))) {
break;
}
size_t len = strlen(buf);
if(len == 0 || buf[0] == '#') {
continue;
}
Cookie c;
if(parseNsCookie(c, buf, len, creationTime)) {
cookies.push_back(c);
}
}
return cookies;
}
} // namespace aria2