mirror of https://github.com/aria2/aria2
150 lines
4.3 KiB
C++
150 lines
4.3 KiB
C++
/* <!-- copyright */
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/*
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* aria2 - The high speed download utility
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*
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* Copyright (C) 2006 Tatsuhiro Tsujikawa
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* In addition, as a special exception, the copyright holders give
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* permission to link the code of portions of this program with the
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* OpenSSL library under certain conditions as described in each
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* individual source file, and distribute linked combinations
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* including the two.
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* You must obey the GNU General Public License in all respects
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* for all of the code used other than OpenSSL. If you modify
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* file(s) with this exception, you may extend this exception to your
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* version of the file(s), but you are not obligated to do so. If you
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* do not wish to do so, delete this exception statement from your
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* version. If you delete this exception statement from all source
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* files in the program, then also delete it here.
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*/
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/* copyright --> */
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#include "Netrc.h"
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#include "RecoverableException.h"
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#include "StringFormat.h"
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#include "A2STR.h"
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#include <fstream>
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#include <algorithm>
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namespace aria2 {
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const std::string Netrc::MACHINE("machine");
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const std::string Netrc::DEFAULT("default");
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const std::string Netrc::LOGIN("login");
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const std::string Netrc::PASSWORD("password");
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const std::string Netrc::ACCOUNT("account");
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const std::string Netrc::MACDEF("macdef");
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std::string Netrc::getRequiredNextToken(std::ifstream& f) const
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{
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std::string token;
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if(f >> token) {
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return token;
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} else {
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throw RecoverableException
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("Netrc:parse error. EOF reached where a token expected.");
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}
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}
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void Netrc::skipMacdef(std::ifstream& f) const
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{
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std::string line;
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getline(f, line);
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while(getline(f, line)) {
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if(line == A2STR::CR_C || line.empty()) {
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break;
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}
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}
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}
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void Netrc::parse(const std::string& path)
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{
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authenticators.clear();
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std::ifstream f(path.c_str());
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if(!f) {
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throw RecoverableException
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(StringFormat("File not found: %s", path.c_str()).str());
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}
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AuthenticatorHandle authenticator;
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std::string token;
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while(f >> token) {
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if(token == Netrc::MACHINE) {
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storeAuthenticator(authenticator);
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authenticator.reset(new Authenticator());
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authenticator->setMachine(getRequiredNextToken(f));
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} else if(token == Netrc::DEFAULT) {
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storeAuthenticator(authenticator);
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authenticator.reset(new DefaultAuthenticator());
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} else {
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if(authenticator.isNull()) {
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throw RecoverableException
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("Netrc:parse error. %s encounterd where 'machine' or 'default' expected.");
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}
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if(token == Netrc::LOGIN) {
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authenticator->setLogin(getRequiredNextToken(f));
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} else if(token == Netrc::PASSWORD) {
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authenticator->setPassword(getRequiredNextToken(f));
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} else if(token == Netrc::ACCOUNT) {
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authenticator->setAccount(getRequiredNextToken(f));
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} else if(token == Netrc::MACDEF) {
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getRequiredNextToken(f);
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skipMacdef(f);
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}
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}
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}
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storeAuthenticator(authenticator);
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}
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void Netrc::storeAuthenticator(const AuthenticatorHandle& authenticator)
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{
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if(!authenticator.isNull()) {
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authenticators.push_back(authenticator);
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}
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}
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class AuthHostMatch {
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private:
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std::string hostname;
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public:
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AuthHostMatch(const std::string& hostname):hostname(hostname) {}
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bool operator()(const AuthenticatorHandle& authenticator)
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{
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return authenticator->match(hostname);
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}
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};
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AuthenticatorHandle Netrc::findAuthenticator(const std::string& hostname) const
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{
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Authenticators::const_iterator itr =
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std::find_if(authenticators.begin(), authenticators.end(),
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AuthHostMatch(hostname));
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if(itr == authenticators.end()) {
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return SharedHandle<Authenticator>();
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} else {
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return *itr;
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}
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}
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} // namespace aria2
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