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DEFINITIONS
This source file includes following definitions.
- _original
- allow
- getStream
- getStream
- getStream
// StreamProvider.cpp: ActionScript file: or http: stream reader, for Gnash.
//
// Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010,
// 2011 Free Software Foundation, Inc
//
// 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 3 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 St, Fifth Floor, Boston, MA 02110-1301 USA
//
#include "GnashFileUtilities.h"
#include "StreamProvider.h"
#include "URL.h"
#include "tu_file.h"
#include "NetworkAdapter.h"
#include "URLAccessManager.h"
#include "log.h"
#include "rc.h" // for rcfile
#include "NamingPolicy.h"
#include <cstdio>
#include <map>
#include <string>
#include <vector>
#include <boost/shared_ptr.hpp>
namespace gnash {
StreamProvider::StreamProvider(const URL& orig, const URL& base,
std::auto_ptr<NamingPolicy> np)
:
_namingPolicy(np),
_base(base),
_original(orig)
{
}
bool
StreamProvider::allow(const URL& url) const
{
return URLAccessManager::allow(url, _original);
}
std::auto_ptr<IOChannel>
StreamProvider::getStream(const URL& url, bool namedCacheFile) const
{
std::auto_ptr<IOChannel> stream;
if (url.protocol() == "file") {
std::string path = url.path();
if (path == "-") {
// TODO: only allow this as the *very first* call ?
// Rationale is a movie might request load of
// standard input, being a security issue.
// Note also that the FB gui will use stdin
// for key events.
//
FILE *newin = fdopen(dup(0), "rb");
// Close on destruction.
stream = makeFileChannel(newin, true);
return stream;
}
else {
// check security here !!
if (!allow(url)) return stream;
FILE *newin = std::fopen(path.c_str(), "rb");
if (!newin) {
return stream;
}
// Close on destruction
stream = makeFileChannel(newin, true);
return stream;
}
}
else {
if (allow(url)) {
stream = NetworkAdapter::makeStream(url.str(),
namedCacheFile ? namingPolicy()(url) : "");
}
// Will return 0 auto_ptr if not allowed.
return stream;
}
}
std::auto_ptr<IOChannel>
StreamProvider::getStream(const URL& url, const std::string& postdata,
const NetworkAdapter::RequestHeaders& headers, bool namedCacheFile)
const
{
if (url.protocol() == "file") {
if (!headers.empty()) {
log_error("Request Headers discarded while getting stream "
"from file: uri");
}
return getStream(url, postdata);
}
if (allow(url) ) {
return NetworkAdapter::makeStream(url.str(), postdata, headers,
namedCacheFile ? namingPolicy()(url) : "");
}
return std::auto_ptr<IOChannel>();
}
std::auto_ptr<IOChannel>
StreamProvider::getStream(const URL& url, const std::string& postdata,
bool namedCacheFile) const
{
std::auto_ptr<IOChannel> stream;
if (url.protocol() == "file") {
if (!postdata.empty()) {
log_error(_("POST data discarded while getting a stream "
"from file: uri"));
}
std::string path = url.path();
if (path == "-") {
FILE *newin = fdopen(dup(0), "rb");
stream = makeFileChannel(newin, false);
return stream;
}
else {
if (!allow(url)) return stream;
FILE *newin = std::fopen(path.c_str(), "rb");
if (!newin) {
return stream;
}
stream = makeFileChannel(newin, false);
return stream;
}
}
else {
if (allow(url)) {
stream = NetworkAdapter::makeStream(url.str(), postdata,
namedCacheFile ? namingPolicy()(url) : "");
}
// Will return 0 auto_ptr if not allowed.
return stream;
}
}
} // namespace gnash