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/*******************************************************************************
* libproxy - A library for proxy configuration
* Copyright (C) 2006 Nathaniel McCallum <nathaniel@natemccallum.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
******************************************************************************/
#include <vector>
#include <cstring> // For strdup()
#include <iostream> // For cerr
#include <stdexcept> // For exception
#include <typeinfo> // Only for debug messages.
#include "config.hpp"
#include <stdlib.h>
#include <gio/gio.h>
namespace libproxy {
using namespace std;
class proxy_factory {
public:
proxy_factory();
~proxy_factory();
vector<string> get_proxies(const string &url);
private:
bool debug;
GDBusProxy *proxy;
GError **error = NULL;
};
proxy_factory::proxy_factory() {
this->proxy = g_dbus_proxy_new_for_bus_sync (G_BUS_TYPE_SESSION,
G_DBUS_PROXY_FLAGS_NONE,
NULL, /* GDBusInterfaceInfo */
"org.libproxy.proxy",
"/org/libproxy/proxy",
"org.libproxy.proxy",
NULL, /* GCancellable */
this->error);
}
proxy_factory::~proxy_factory() {
}
vector<string> proxy_factory::get_proxies(const string &realurl) {
vector<string> response;
GVariant* result;
result = g_dbus_proxy_call_sync (proxy,
"query",
g_variant_new("(s)", realurl.c_str()),
G_DBUS_CALL_FLAGS_NONE,
-1,
NULL,
this->error);
GVariantIter *iter;
gchar *str;
g_variant_get (result, "(as)", &iter);
while (g_variant_iter_loop (iter, "s", &str))
response.push_back(str);
g_variant_iter_free (iter);
do_return:
if (response.size() == 0)
response.push_back("direct://");
return response;
}
struct pxProxyFactory_ {
libproxy::proxy_factory pf;
};
extern "C" DLL_PUBLIC struct pxProxyFactory_ *px_proxy_factory_new(void) {
return new struct pxProxyFactory_;
}
extern "C" DLL_PUBLIC char** px_proxy_factory_get_proxies(struct pxProxyFactory_ *self, const char *url) {
std::vector<std::string> proxies;
char** retval;
// Call the main method
try {
proxies = self->pf.get_proxies(url);
retval = (char**) malloc(sizeof(char*) * (proxies.size() + 1));
if (!retval) return NULL;
} catch (std::exception&) {
// Return NULL on any exception
return NULL;
}
// Copy the results into an array
// Return NULL on memory allocation failure
retval[proxies.size()] = NULL;
for (size_t i=0 ; i < proxies.size() ; i++) {
retval[i] = strdup(proxies[i].c_str());
if (retval[i] == NULL) {
for (int j=i-1 ; j >= 0 ; j--)
free(retval[j]);
free(retval);
return NULL;
}
}
return retval;
}
extern "C" DLL_PUBLIC void px_proxy_factory_free_proxies(char ** const proxies) {
if (!proxies)
return;
for (size_t i = 0; proxies[i]; ++i)
free(proxies[i]);
free(proxies);
}
extern "C" DLL_PUBLIC void px_proxy_factory_free(struct pxProxyFactory_ *self) {
delete self;
}
}
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