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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/browser/renderer_host/pepper/pepper_socket_utils.h"
#include <string>
#include <vector>
#include "base/logging.h"
#include "base/memory/ref_counted.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/content_browser_client.h"
#include "content/public/browser/render_view_host.h"
#include "content/public/browser/site_instance.h"
#include "content/public/common/content_client.h"
#include "net/cert/x509_certificate.h"
#include "ppapi/c/private/ppb_net_address_private.h"
#include "ppapi/shared_impl/private/net_address_private_impl.h"
#include "ppapi/shared_impl/private/ppb_x509_certificate_private_shared.h"
namespace content {
namespace pepper_socket_utils {
SocketPermissionRequest CreateSocketPermissionRequest(
SocketPermissionRequest::OperationType type,
const PP_NetAddress_Private& net_addr) {
std::string host = ppapi::NetAddressPrivateImpl::DescribeNetAddress(net_addr,
false);
int port = 0;
std::vector<unsigned char> address;
ppapi::NetAddressPrivateImpl::NetAddressToIPEndPoint(net_addr,
&address,
&port);
return SocketPermissionRequest(type, host, port);
}
bool CanUseSocketAPIs(bool external_plugin,
bool private_api,
const SocketPermissionRequest* params,
int render_process_id,
int render_view_id) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
RenderViewHost* render_view_host = RenderViewHost::FromID(render_process_id,
render_view_id);
return render_view_host && CanUseSocketAPIs(external_plugin,
private_api,
params,
render_view_host);
}
bool CanUseSocketAPIs(bool external_plugin,
bool private_api,
const SocketPermissionRequest* params,
RenderViewHost* render_view_host) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
if (!external_plugin) {
// Always allow socket APIs for out-process plugins (other than external
// plugins instantiated by the embeeder through
// BrowserPpapiHost::CreateExternalPluginProcess).
return true;
}
if (!render_view_host)
return false;
SiteInstance* site_instance = render_view_host->GetSiteInstance();
if (!site_instance)
return false;
if (!GetContentClient()->browser()->AllowPepperSocketAPI(
site_instance->GetBrowserContext(),
site_instance->GetSiteURL(),
private_api,
params)) {
LOG(ERROR) << "Host " << site_instance->GetSiteURL().host()
<< " cannot use socket API or destination is not allowed";
return false;
}
return true;
}
bool GetCertificateFields(const net::X509Certificate& cert,
ppapi::PPB_X509Certificate_Fields* fields) {
const net::CertPrincipal& issuer = cert.issuer();
fields->SetField(PP_X509CERTIFICATE_PRIVATE_ISSUER_COMMON_NAME,
new base::StringValue(issuer.common_name));
fields->SetField(PP_X509CERTIFICATE_PRIVATE_ISSUER_LOCALITY_NAME,
new base::StringValue(issuer.locality_name));
fields->SetField(PP_X509CERTIFICATE_PRIVATE_ISSUER_STATE_OR_PROVINCE_NAME,
new base::StringValue(issuer.state_or_province_name));
fields->SetField(PP_X509CERTIFICATE_PRIVATE_ISSUER_COUNTRY_NAME,
new base::StringValue(issuer.country_name));
fields->SetField(PP_X509CERTIFICATE_PRIVATE_ISSUER_ORGANIZATION_NAME,
new base::StringValue(JoinString(issuer.organization_names, '\n')));
fields->SetField(PP_X509CERTIFICATE_PRIVATE_ISSUER_ORGANIZATION_UNIT_NAME,
new base::StringValue(JoinString(issuer.organization_unit_names, '\n')));
const net::CertPrincipal& subject = cert.subject();
fields->SetField(PP_X509CERTIFICATE_PRIVATE_SUBJECT_COMMON_NAME,
new base::StringValue(subject.common_name));
fields->SetField(PP_X509CERTIFICATE_PRIVATE_SUBJECT_LOCALITY_NAME,
new base::StringValue(subject.locality_name));
fields->SetField(PP_X509CERTIFICATE_PRIVATE_SUBJECT_STATE_OR_PROVINCE_NAME,
new base::StringValue(subject.state_or_province_name));
fields->SetField(PP_X509CERTIFICATE_PRIVATE_SUBJECT_COUNTRY_NAME,
new base::StringValue(subject.country_name));
fields->SetField(PP_X509CERTIFICATE_PRIVATE_SUBJECT_ORGANIZATION_NAME,
new base::StringValue(JoinString(subject.organization_names, '\n')));
fields->SetField(PP_X509CERTIFICATE_PRIVATE_SUBJECT_ORGANIZATION_UNIT_NAME,
new base::StringValue(JoinString(subject.organization_unit_names, '\n')));
const std::string& serial_number = cert.serial_number();
fields->SetField(PP_X509CERTIFICATE_PRIVATE_SERIAL_NUMBER,
base::BinaryValue::CreateWithCopiedBuffer(serial_number.data(),
serial_number.length()));
fields->SetField(PP_X509CERTIFICATE_PRIVATE_VALIDITY_NOT_BEFORE,
new base::FundamentalValue(cert.valid_start().ToDoubleT()));
fields->SetField(PP_X509CERTIFICATE_PRIVATE_VALIDITY_NOT_AFTER,
new base::FundamentalValue(cert.valid_expiry().ToDoubleT()));
std::string der;
net::X509Certificate::GetDEREncoded(cert.os_cert_handle(), &der);
fields->SetField(PP_X509CERTIFICATE_PRIVATE_RAW,
base::BinaryValue::CreateWithCopiedBuffer(der.data(), der.length()));
return true;
}
bool GetCertificateFields(const char* der,
uint32_t length,
ppapi::PPB_X509Certificate_Fields* fields) {
scoped_refptr<net::X509Certificate> cert =
net::X509Certificate::CreateFromBytes(der, length);
if (!cert.get())
return false;
return GetCertificateFields(*cert.get(), fields);
}
} // namespace pepper_socket_utils
} // namespace content
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