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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 "webkit/plugins/ppapi/ppb_url_util_impl.h"
#include "googleurl/src/gurl.h"
#include "ppapi/c/dev/ppb_url_util_dev.h"
#include "ppapi/c/ppb_var.h"
#include "ppapi/shared_impl/url_util_impl.h"
#include "ppapi/shared_impl/var.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebDocument.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebElement.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebFrame.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebNode.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebPluginContainer.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebSecurityOrigin.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebURL.h"
#include "webkit/plugins/ppapi/common.h"
#include "webkit/plugins/ppapi/plugin_module.h"
#include "webkit/plugins/ppapi/ppapi_plugin_instance.h"
#include "webkit/plugins/ppapi/ppb_var_impl.h"
#include "webkit/plugins/ppapi/resource_tracker.h"
#include "webkit/plugins/ppapi/string.h"
using ppapi::StringVar;
using ppapi::URLUtilImpl;
namespace webkit {
namespace ppapi {
namespace {
// Returns the PP_Module associated with the given string, or 0 on failure.
PP_Module GetModuleFromVar(PP_Var string_var) {
scoped_refptr<StringVar> str(StringVar::FromPPVar(string_var));
if (!str)
return 0;
return str->pp_module();
}
// Sets |*security_origin| to be the WebKit security origin associated with the
// document containing the given plugin instance. On success, returns true. If
// the instance is invalid, returns false and |*security_origin| will be
// unchanged.
bool SecurityOriginForInstance(PP_Instance instance_id,
WebKit::WebSecurityOrigin* security_origin) {
PluginInstance* instance = ResourceTracker::Get()->GetInstance(instance_id);
if (!instance)
return false;
WebKit::WebElement plugin_element = instance->container()->element();
*security_origin = plugin_element.document().securityOrigin();
return true;
}
PP_Var Canonicalize(PP_Var url, PP_URLComponents_Dev* components) {
return URLUtilImpl::Canonicalize(GetModuleFromVar(url), url, components);
}
PP_Var ResolveRelativeToURL(PP_Var base_url,
PP_Var relative,
PP_URLComponents_Dev* components) {
return URLUtilImpl::ResolveRelativeToURL(GetModuleFromVar(base_url),
base_url, relative, components);
}
PP_Var ResolveRelativeToDocument(PP_Instance instance_id,
PP_Var relative,
PP_URLComponents_Dev* components) {
PluginInstance* instance = ResourceTracker::Get()->GetInstance(instance_id);
if (!instance)
return PP_MakeNull();
scoped_refptr<StringVar> relative_string(StringVar::FromPPVar(relative));
if (!relative_string)
return PP_MakeNull();
WebKit::WebElement plugin_element = instance->container()->element();
GURL document_url = plugin_element.document().baseURL();
return URLUtilImpl::GenerateURLReturn(
instance->module()->pp_module(),
document_url.Resolve(relative_string->value()),
components);
}
PP_Bool IsSameSecurityOrigin(PP_Var url_a, PP_Var url_b) {
return URLUtilImpl::IsSameSecurityOrigin(url_a, url_b);
}
PP_Bool DocumentCanRequest(PP_Instance instance, PP_Var url) {
scoped_refptr<StringVar> url_string(StringVar::FromPPVar(url));
if (!url_string)
return PP_FALSE;
WebKit::WebSecurityOrigin security_origin;
if (!SecurityOriginForInstance(instance, &security_origin))
return PP_FALSE;
GURL gurl(url_string->value());
if (!gurl.is_valid())
return PP_FALSE;
return BoolToPPBool(security_origin.canRequest(gurl));
}
PP_Bool DocumentCanAccessDocument(PP_Instance active, PP_Instance target) {
WebKit::WebSecurityOrigin active_origin;
if (!SecurityOriginForInstance(active, &active_origin))
return PP_FALSE;
WebKit::WebSecurityOrigin target_origin;
if (!SecurityOriginForInstance(active, &target_origin))
return PP_FALSE;
return BoolToPPBool(active_origin.canAccess(target_origin));
}
PP_Var GetDocumentURL(PP_Instance instance_id,
PP_URLComponents_Dev* components) {
PluginInstance* instance = ResourceTracker::Get()->GetInstance(instance_id);
if (!instance)
return PP_MakeNull();
WebKit::WebDocument document = instance->container()->element().document();
return URLUtilImpl::GenerateURLReturn(instance->module()->pp_module(),
document.url(), components);
}
PP_Var GetPluginInstanceURL(PP_Instance instance_id,
PP_URLComponents_Dev* components) {
PluginInstance* instance = ResourceTracker::Get()->GetInstance(instance_id);
if (!instance)
return PP_MakeNull();
const GURL& url = instance->plugin_url();
return URLUtilImpl::GenerateURLReturn(instance->module()->pp_module(),
url, components);
}
const PPB_URLUtil_Dev ppb_url_util = {
&Canonicalize,
&ResolveRelativeToURL,
&ResolveRelativeToDocument,
&IsSameSecurityOrigin,
&DocumentCanRequest,
&DocumentCanAccessDocument,
&GetDocumentURL,
&GetPluginInstanceURL
};
} // namespace
// static
const PPB_URLUtil_Dev* PPB_URLUtil_Impl::GetInterface() {
return &ppb_url_util;
}
} // namespace ppapi
} // namespace webkit
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