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// Copyright (c) 2011 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 "ppapi/proxy/ppb_url_util_proxy.h"
#include "base/basictypes.h"
#include "ppapi/c/dev/ppb_url_util_dev.h"
#include "ppapi/c/dev/ppb_var_deprecated.h"
#include "ppapi/c/ppb_core.h"
#include "ppapi/proxy/plugin_dispatcher.h"
#include "ppapi/proxy/ppapi_messages.h"
#include "ppapi/shared_impl/url_util_impl.h"
namespace pp {
namespace proxy {
using ppapi::URLUtilImpl;
namespace {
URLUtilImpl::VarFromUtf8 GetVarFromUtf8() {
const PPB_Var_Deprecated* var_deprecated =
static_cast<const PPB_Var_Deprecated*>(
PluginDispatcher::GetInterfaceFromDispatcher(
PPB_VAR_DEPRECATED_INTERFACE));
return var_deprecated->VarFromUtf8;
}
const std::string* GetStringFromVar(PP_Var var) {
return PluginVarTracker::GetInstance()->GetExistingString(var);
}
PP_Var Canonicalize(PP_Var url,
PP_URLComponents_Dev* components) {
return URLUtilImpl::Canonicalize(&GetStringFromVar, GetVarFromUtf8(),
0, url, components);
}
// Helper function for the functions below that optionally take a components
// structure. It's annoying to serialze the large PP_URLComponents structure
// and this data often isn't needed.
//
// To avoid this, we instead just parse the result again in the plugin, which
// this function does if the given URL is valid and the components are
// non-NULL. The URL var will be returned.
PP_Var ConvertComponentsAndReturnURL(PP_Var url,
PP_URLComponents_Dev* components) {
if (!components)
return url; // Common case - plugin doesn't care about parsing.
const std::string* url_string = GetStringFromVar(url);
if (!url_string)
return url;
PP_Var result = Canonicalize(url, components);
PluginVarTracker::GetInstance()->Release(url);
return result;
}
PP_Var ResolveRelativeToURL(PP_Var base_url,
PP_Var relative,
PP_URLComponents_Dev* components) {
return URLUtilImpl::ResolveRelativeToURL(&GetStringFromVar, GetVarFromUtf8(),
0, base_url, relative, components);
}
PP_Var ResolveRelativeToDocument(PP_Instance instance,
PP_Var relative_string,
PP_URLComponents_Dev* components) {
PluginDispatcher* dispatcher = PluginDispatcher::GetForInstance(instance);
if (!dispatcher)
return PP_MakeNull();
ReceiveSerializedVarReturnValue result;
dispatcher->Send(new PpapiHostMsg_PPBURLUtil_ResolveRelativeToDocument(
INTERFACE_ID_PPB_URL_UTIL, instance,
SerializedVarSendInput(dispatcher, relative_string),
&result));
return ConvertComponentsAndReturnURL(result.Return(dispatcher), components);
}
PP_Bool IsSameSecurityOrigin(PP_Var url_a, PP_Var url_b) {
return URLUtilImpl::IsSameSecurityOrigin(&GetStringFromVar, url_a, url_b);
}
PP_Bool DocumentCanRequest(PP_Instance instance, PP_Var url) {
PluginDispatcher* dispatcher = PluginDispatcher::GetForInstance(instance);
if (!dispatcher)
return PP_FALSE;
PP_Bool result = PP_FALSE;
dispatcher->Send(new PpapiHostMsg_PPBURLUtil_DocumentCanRequest(
INTERFACE_ID_PPB_URL_UTIL, instance,
SerializedVarSendInput(dispatcher, url),
&result));
return result;
}
PP_Bool DocumentCanAccessDocument(PP_Instance active, PP_Instance target) {
PluginDispatcher* dispatcher = PluginDispatcher::GetForInstance(active);
if (!dispatcher)
return PP_FALSE;
PP_Bool result = PP_FALSE;
dispatcher->Send(new PpapiHostMsg_PPBURLUtil_DocumentCanAccessDocument(
INTERFACE_ID_PPB_URL_UTIL, active, target, &result));
return result;
}
PP_Var GetDocumentURL(PP_Instance instance,
struct PP_URLComponents_Dev* components) {
PluginDispatcher* dispatcher = PluginDispatcher::GetForInstance(instance);
if (!dispatcher)
return PP_MakeNull();
ReceiveSerializedVarReturnValue result;
dispatcher->Send(new PpapiHostMsg_PPBURLUtil_GetDocumentURL(
INTERFACE_ID_PPB_URL_UTIL, instance, &result));
return ConvertComponentsAndReturnURL(result.Return(dispatcher), components);
}
PP_Var GetPluginInstanceURL(PP_Instance instance,
struct PP_URLComponents_Dev* components) {
PluginDispatcher* dispatcher = PluginDispatcher::GetForInstance(instance);
if (!dispatcher)
return PP_MakeNull();
ReceiveSerializedVarReturnValue result;
dispatcher->Send(new PpapiHostMsg_PPBURLUtil_GetPluginInstanceURL(
INTERFACE_ID_PPB_URL_UTIL, instance, &result));
return ConvertComponentsAndReturnURL(result.Return(dispatcher), components);
}
const PPB_URLUtil_Dev url_util_interface = {
&Canonicalize,
&ResolveRelativeToURL,
&ResolveRelativeToDocument,
&IsSameSecurityOrigin,
&DocumentCanRequest,
&DocumentCanAccessDocument,
&GetDocumentURL,
&GetPluginInstanceURL
};
InterfaceProxy* CreateURLUtilProxy(Dispatcher* dispatcher,
const void* target_interface) {
return new PPB_URLUtil_Proxy(dispatcher, target_interface);
}
} // namespace
PPB_URLUtil_Proxy::PPB_URLUtil_Proxy(Dispatcher* dispatcher,
const void* target_interface)
: InterfaceProxy(dispatcher, target_interface) {
}
PPB_URLUtil_Proxy::~PPB_URLUtil_Proxy() {
}
// static
const InterfaceProxy::Info* PPB_URLUtil_Proxy::GetInfo() {
static const Info info = {
&url_util_interface,
PPB_URLUTIL_DEV_INTERFACE,
INTERFACE_ID_PPB_URL_UTIL,
false,
&CreateURLUtilProxy,
};
return &info;
}
bool PPB_URLUtil_Proxy::OnMessageReceived(const IPC::Message& msg) {
bool handled = true;
IPC_BEGIN_MESSAGE_MAP(PPB_URLUtil_Proxy, msg)
IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBURLUtil_ResolveRelativeToDocument,
OnMsgResolveRelativeToDocument)
IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBURLUtil_DocumentCanRequest,
OnMsgDocumentCanRequest)
IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBURLUtil_DocumentCanAccessDocument,
OnMsgDocumentCanAccessDocument)
IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBURLUtil_GetDocumentURL,
OnMsgGetDocumentURL)
IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBURLUtil_GetPluginInstanceURL,
OnMsgGetPluginInstanceURL)
IPC_MESSAGE_UNHANDLED(handled = false)
IPC_END_MESSAGE_MAP()
return handled;
}
void PPB_URLUtil_Proxy::OnMsgResolveRelativeToDocument(
PP_Instance instance,
SerializedVarReceiveInput relative,
SerializedVarReturnValue result) {
result.Return(dispatcher(),
ppb_url_util_target()->ResolveRelativeToDocument(
instance, relative.Get(dispatcher()), NULL));
}
void PPB_URLUtil_Proxy::OnMsgDocumentCanRequest(PP_Instance instance,
SerializedVarReceiveInput url,
PP_Bool* result) {
*result = ppb_url_util_target()->DocumentCanRequest(instance,
url.Get(dispatcher()));
}
void PPB_URLUtil_Proxy::OnMsgDocumentCanAccessDocument(PP_Instance active,
PP_Instance target,
PP_Bool* result) {
*result = ppb_url_util_target()->DocumentCanAccessDocument(
active, target);
}
void PPB_URLUtil_Proxy::OnMsgGetDocumentURL(PP_Instance instance,
SerializedVarReturnValue result) {
result.Return(dispatcher(),
ppb_url_util_target()->GetDocumentURL(instance, NULL));
}
void PPB_URLUtil_Proxy::OnMsgGetPluginInstanceURL(
PP_Instance instance, SerializedVarReturnValue result) {
result.Return(dispatcher(),
ppb_url_util_target()->GetPluginInstanceURL(instance, NULL));
}
} // namespace proxy
} // namespace pp
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