bcarrella/cef
1
0
Fork 0
mirror of https://bitbucket.org/chromiumembedded/cef synced 2025-06-05 21:39:12 +02:00
Code Issues Packages Projects Releases Wiki Activity

Add is_main_frame argument to CefRequestContextHandler::OnBeforePluginLoad (issue #2015)

Browse Source
This commit is contained in:
Marshall Greenblatt
2017-01-18 18:37:56 -05:00
parent b7b145fa4f
commit 41a02dbe08
20 changed files with 750 additions and 169 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
libcef/browser/plugins/plugin_info_message_filter.cc
View File

@@ -138,7 +138,8 @@ CefPluginInfoMessageFilter::Context::Context(
int render_process_id,
CefBrowserContext* profile)
: render_process_id_(render_process_id),
resource_context_(profile->GetResourceContext()),
resource_context_(
static_cast<CefResourceContext*>(profile->GetResourceContext())),
host_content_settings_map_(profile->GetHostContentSettingsMap()) {
#if BUILDFLAG(ENABLE_EXTENSIONS)
if (extensions::ExtensionsEnabled())
@@ -198,6 +199,7 @@ CefPluginInfoMessageFilter::~CefPluginInfoMessageFilter() {}
struct CefPluginInfoMessageFilter::GetPluginInfo_Params {
int render_frame_id;
GURL url;
bool is_main_frame;
url::Origin main_frame_origin;
std::string mime_type;
};
@@ -205,12 +207,14 @@ struct CefPluginInfoMessageFilter::GetPluginInfo_Params {
void CefPluginInfoMessageFilter::OnGetPluginInfo(
int render_frame_id,
const GURL& url,
bool is_main_frame,
const url::Origin& main_frame_origin,
const std::string& mime_type,
IPC::Message* reply_msg) {
GetPluginInfo_Params params = {
render_frame_id,
url,
is_main_frame,
main_frame_origin,
mime_type
};
@@ -225,12 +229,10 @@ void CefPluginInfoMessageFilter::PluginsLoaded(
IPC::Message* reply_msg,
const std::vector<WebPluginInfo>& plugins) {
CefViewHostMsg_GetPluginInfo_Output output;
CefRefPtr<CefRequestContextHandler> handler =
browser_context_->GetHandler();
// This also fills in |actual_mime_type|.
std::unique_ptr<PluginMetadata> plugin_metadata;
context_.FindEnabledPlugin(params, handler.get(),
context_.FindEnabledPlugin(params,
&output.status, &output.plugin,
&output.actual_mime_type,
&plugin_metadata);
@@ -383,7 +385,6 @@ void CefPluginInfoMessageFilter::Context::DecidePluginStatus(
bool CefPluginInfoMessageFilter::Context::FindEnabledPlugin(
const GetPluginInfo_Params& params,
CefRequestContextHandler* handler,
CefViewHostMsg_GetPluginInfo_Status* status,
WebPluginInfo* plugin,
std::string* actual_mime_type,
@@ -414,8 +415,10 @@ bool CefPluginInfoMessageFilter::Context::FindEnabledPlugin(
*plugin_metadata = PluginFinder::GetInstance()->GetPluginMetadata(*plugin);
DecidePluginStatus(params, *plugin, (*plugin_metadata).get(), status);
if (filter->IsPluginAvailable(handler,
if (filter->IsPluginAvailable(render_process_id_,
resource_context_,
params.url,
params.is_main_frame,
params.main_frame_origin,
plugin,
status)) {

7
libcef/browser/plugins/plugin_info_message_filter.h
View File

@@ -22,13 +22,12 @@
#include "ppapi/features/features.h"
class CefBrowserContext;
class CefRequestContextHandler;
class CefResourceContext;
struct CefViewHostMsg_GetPluginInfo_Output;
enum class CefViewHostMsg_GetPluginInfo_Status;
class GURL;
namespace content {
class ResourceContext;
struct WebPluginInfo;
}
@@ -59,7 +58,6 @@ class CefPluginInfoMessageFilter : public content::BrowserMessageFilter {
CefViewHostMsg_GetPluginInfo_Status* status) const;
bool FindEnabledPlugin(
const GetPluginInfo_Params& params,
CefRequestContextHandler* handler,
CefViewHostMsg_GetPluginInfo_Status* status,
content::WebPluginInfo* plugin,
std::string* actual_mime_type,
@@ -75,7 +73,7 @@ class CefPluginInfoMessageFilter : public content::BrowserMessageFilter {
private:
int render_process_id_;
content::ResourceContext* resource_context_;
CefResourceContext* resource_context_;
#if BUILDFLAG(ENABLE_EXTENSIONS)
extensions::ExtensionRegistry* extension_registry_;
#endif
@@ -101,6 +99,7 @@ class CefPluginInfoMessageFilter : public content::BrowserMessageFilter {
void OnGetPluginInfo(int render_frame_id,
const GURL& url,
bool is_main_frame,
const url::Origin& main_frame_origin,
const std::string& mime_type,
IPC::Message* reply_msg);

146
libcef/browser/plugins/plugin_service_filter.cc
View File

@@ -22,27 +22,37 @@ bool CefPluginServiceFilter::IsPluginAvailable(
int render_frame_id,
const void* context,
const GURL& url,
bool is_main_frame,
const url::Origin& main_frame_origin,
content::WebPluginInfo* plugin) {
CefResourceContext* resource_context = const_cast<CefResourceContext*>(
reinterpret_cast<const CefResourceContext*>(context));
bool allow_load = true;
if (resource_context->HasPluginLoadDecision(render_process_id, plugin->path,
&allow_load)) {
return allow_load;
}
CefRefPtr<CefRequestContextHandler> handler = resource_context->GetHandler();
CefViewHostMsg_GetPluginInfo_Status status =
CefViewHostMsg_GetPluginInfo_Status::kAllowed;
allow_load = IsPluginAvailable(handler.get(), url, main_frame_origin, plugin,
&status);
resource_context->AddPluginLoadDecision(render_process_id, plugin->path,
allow_load);
// Perform origin check here because we're passing an empty origin value to
// IsPluginAvailable() below.
const GURL& policy_url = main_frame_origin.GetURL();
if (!policy_url.is_empty() &&
policy_url.scheme() == extensions::kExtensionScheme) {
// Always allow extension origins to load plugins.
// TODO(extensions): Revisit this decision once CEF supports more than just
// the PDF extension.
return true;
}
return allow_load;
// Blink requires this method to return a consistent value during renderer
// process initialization and page load, so we always call IsPluginAvailable()
// with an empty origin. If we return false then the plugin will not be listed
// in navigator.plugins and navigating to the plugin mime type will trigger
// the download code path. If we return true then individual plugin instance
// loads will be evaluated in CefContentRendererClient::OverrideCreatePlugin,
// which will result in a call to CefPluginInfoMessageFilter::PluginsLoaded to
// retrieve the actual load decision with a non-empty origin. That will
// determine whether the plugin load is allowed or the plugin placeholder is
// displayed.
return IsPluginAvailable(render_process_id, resource_context, url,
is_main_frame, url::Origin(), plugin, &status);
}
bool CefPluginServiceFilter::CanLoadPlugin(int render_process_id,
@@ -51,8 +61,10 @@ bool CefPluginServiceFilter::CanLoadPlugin(int render_process_id,
}
bool CefPluginServiceFilter::IsPluginAvailable(
CefRequestContextHandler* handler,
int render_process_id,
CefResourceContext* resource_context,
const GURL& url,
bool is_main_frame,
const url::Origin& main_frame_origin,
content::WebPluginInfo* plugin,
CefViewHostMsg_GetPluginInfo_Status* status) {
@@ -78,54 +90,70 @@ bool CefPluginServiceFilter::IsPluginAvailable(
return true;
}
if (handler) {
CefRefPtr<CefWebPluginInfoImpl> pluginInfo(
new CefWebPluginInfoImpl(*plugin));
CefRefPtr<CefRequestContextHandler> handler = resource_context->GetHandler();
if (!handler) {
// No handler so go with the default plugin load decision.
return *status != CefViewHostMsg_GetPluginInfo_Status::kDisabled;
}
cef_plugin_policy_t plugin_policy = PLUGIN_POLICY_ALLOW;
switch (*status) {
case CefViewHostMsg_GetPluginInfo_Status::kAllowed:
plugin_policy = PLUGIN_POLICY_ALLOW;
break;
case CefViewHostMsg_GetPluginInfo_Status::kBlocked:
case CefViewHostMsg_GetPluginInfo_Status::kBlockedByPolicy:
case CefViewHostMsg_GetPluginInfo_Status::kOutdatedBlocked:
case CefViewHostMsg_GetPluginInfo_Status::kOutdatedDisallowed:
case CefViewHostMsg_GetPluginInfo_Status::kUnauthorized:
plugin_policy = PLUGIN_POLICY_BLOCK;
break;
case CefViewHostMsg_GetPluginInfo_Status::kDisabled:
plugin_policy = PLUGIN_POLICY_DISABLE;
break;
case CefViewHostMsg_GetPluginInfo_Status::kPlayImportantContent:
plugin_policy = PLUGIN_POLICY_DETECT_IMPORTANT;
break;
default:
NOTREACHED();
break;
}
// Check for a cached plugin load decision.
if (resource_context->HasPluginLoadDecision(
render_process_id, plugin->path,
is_main_frame, main_frame_origin, status)) {
return *status != CefViewHostMsg_GetPluginInfo_Status::kDisabled;
}
if (handler->OnBeforePluginLoad(plugin->mime_types[0].mime_type,
url.possibly_invalid_spec(),
policy_url.possibly_invalid_spec(),
pluginInfo.get(),
&plugin_policy)) {
switch (plugin_policy) {
case PLUGIN_POLICY_ALLOW:
*status = CefViewHostMsg_GetPluginInfo_Status::kAllowed;
break;
case PLUGIN_POLICY_DETECT_IMPORTANT:
*status = CefViewHostMsg_GetPluginInfo_Status::kPlayImportantContent;
break;
case PLUGIN_POLICY_BLOCK:
*status = CefViewHostMsg_GetPluginInfo_Status::kBlocked;
break;
case PLUGIN_POLICY_DISABLE:
*status = CefViewHostMsg_GetPluginInfo_Status::kDisabled;
break;
}
CefRefPtr<CefWebPluginInfoImpl> pluginInfo(new CefWebPluginInfoImpl(*plugin));
cef_plugin_policy_t plugin_policy = PLUGIN_POLICY_ALLOW;
switch (*status) {
case CefViewHostMsg_GetPluginInfo_Status::kAllowed:
plugin_policy = PLUGIN_POLICY_ALLOW;
break;
case CefViewHostMsg_GetPluginInfo_Status::kBlocked:
case CefViewHostMsg_GetPluginInfo_Status::kBlockedByPolicy:
case CefViewHostMsg_GetPluginInfo_Status::kOutdatedBlocked:
case CefViewHostMsg_GetPluginInfo_Status::kOutdatedDisallowed:
case CefViewHostMsg_GetPluginInfo_Status::kUnauthorized:
plugin_policy = PLUGIN_POLICY_BLOCK;
break;
case CefViewHostMsg_GetPluginInfo_Status::kDisabled:
plugin_policy = PLUGIN_POLICY_DISABLE;
break;
case CefViewHostMsg_GetPluginInfo_Status::kPlayImportantContent:
plugin_policy = PLUGIN_POLICY_DETECT_IMPORTANT;
break;
default:
NOTREACHED();
break;
}
if (handler->OnBeforePluginLoad(plugin->mime_types[0].mime_type,
url.possibly_invalid_spec(),
is_main_frame,
policy_url.possibly_invalid_spec(),
pluginInfo.get(),
&plugin_policy)) {
switch (plugin_policy) {
case PLUGIN_POLICY_ALLOW:
*status = CefViewHostMsg_GetPluginInfo_Status::kAllowed;
break;
case PLUGIN_POLICY_DETECT_IMPORTANT:
*status = CefViewHostMsg_GetPluginInfo_Status::kPlayImportantContent;
break;
case PLUGIN_POLICY_BLOCK:
*status = CefViewHostMsg_GetPluginInfo_Status::kBlocked;
break;
case PLUGIN_POLICY_DISABLE:
*status = CefViewHostMsg_GetPluginInfo_Status::kDisabled;
break;
}
}
return (*status != CefViewHostMsg_GetPluginInfo_Status::kDisabled);
// Cache the plugin load decision.
resource_context->AddPluginLoadDecision(
render_process_id, plugin->path,
is_main_frame, main_frame_origin, *status);
return *status != CefViewHostMsg_GetPluginInfo_Status::kDisabled;
}

7
libcef/browser/plugins/plugin_service_filter.h
View File

@@ -11,7 +11,7 @@
#include "base/macros.h"
class CefRequestContextHandler;
class CefResourceContext;
enum class CefViewHostMsg_GetPluginInfo_Status;
class CefPluginServiceFilter : public content::PluginServiceFilter {
@@ -25,6 +25,7 @@ class CefPluginServiceFilter : public content::PluginServiceFilter {
int render_frame_id,
const void* context,
const GURL& url,
bool is_main_frame,
const url::Origin& main_frame_origin,
content::WebPluginInfo* plugin) override;
@@ -34,8 +35,10 @@ class CefPluginServiceFilter : public content::PluginServiceFilter {
// Returns false if the plugin is not found or disabled. May call
// CefRequestContextHandler::OnBeforePluginLoad if possible/necessary.
// See related discussion in issue #2015.
bool IsPluginAvailable(CefRequestContextHandler* handler,
bool IsPluginAvailable(int render_process_id,
CefResourceContext* resource_context,
const GURL& url,
bool is_main_frame,
const url::Origin& main_frame_origin,
content::WebPluginInfo* plugin,
CefViewHostMsg_GetPluginInfo_Status* status);

21
libcef/browser/resource_context.cc
View File

@@ -124,31 +124,38 @@ void CefResourceContext::set_parent(CefResourceContext* parent) {
void CefResourceContext::AddPluginLoadDecision(
int render_process_id,
const base::FilePath& plugin_path,
bool allow_load) {
bool is_main_frame,
const url::Origin& main_frame_origin,
CefViewHostMsg_GetPluginInfo_Status status) {
CEF_REQUIRE_IOT();
DCHECK_GE(render_process_id, 0);
DCHECK(!plugin_path.empty());
plugin_load_decision_map_.insert(
std::make_pair(std::make_pair(render_process_id, plugin_path),
allow_load));
std::make_pair(
std::make_pair(std::make_pair(render_process_id, plugin_path),
std::make_pair(is_main_frame, main_frame_origin)),
status));
}
bool CefResourceContext::HasPluginLoadDecision(
int render_process_id,
const base::FilePath& plugin_path,
bool* allow_load) const {
bool is_main_frame,
const url::Origin& main_frame_origin,
CefViewHostMsg_GetPluginInfo_Status* status) const {
CEF_REQUIRE_IOT();
DCHECK_GE(render_process_id, 0);
DCHECK(!plugin_path.empty());
PluginLoadDecisionMap::const_iterator it =
plugin_load_decision_map_.find(
std::make_pair(render_process_id, plugin_path));
std::make_pair(std::make_pair(render_process_id, plugin_path),
std::make_pair(is_main_frame, main_frame_origin)));
if (it == plugin_load_decision_map_.end())
return false;
*allow_load = it->second;
*status = it->second;
return true;
}
@@ -160,7 +167,7 @@ void CefResourceContext::ClearPluginLoadDecision(int render_process_id) {
} else {
PluginLoadDecisionMap::iterator it = plugin_load_decision_map_.begin();
while (it != plugin_load_decision_map_.end()) {
if (it->first.first == render_process_id)
if (it->first.first.first == render_process_id)
it = plugin_load_decision_map_.erase(it);
else
++it;

20
libcef/browser/resource_context.h
View File

@@ -12,8 +12,10 @@
#include "content/public/browser/resource_context.h"
#include "extensions/browser/info_map.h"
#include "net/ssl/client_cert_store.h"
#include "url/origin.h"
class CefURLRequestContextGetter;
enum class CefViewHostMsg_GetPluginInfo_Status;
// Acts as a bridge for resource loading. Life span is controlled by
// CefBrowserContext. Created on the UI thread but accessed and destroyed on the
@@ -46,15 +48,16 @@ class CefResourceContext : public content::ResourceContext {
// Remember the plugin load decision for plugin status requests that arrive
// via CefPluginServiceFilter::IsPluginAvailable.
// TODO(cef): Per-frame decisions are not currently supported because
// Chromium does not pipe the frame id through to RenderFrameMessageFilter::
// GetPluginsCallback. Fix this once https://crbug.com/626728#c15 is resolved.
void AddPluginLoadDecision(int render_process_id,
const base::FilePath& plugin_path,
bool allow_load);
bool is_main_frame,
const url::Origin& main_frame_origin,
CefViewHostMsg_GetPluginInfo_Status status);
bool HasPluginLoadDecision(int render_process_id,
const base::FilePath& plugin_path,
bool* allow_load) const;
bool is_main_frame,
const url::Origin& main_frame_origin,
CefViewHostMsg_GetPluginInfo_Status* status) const;
// Clear the plugin load decisions associated with |render_process_id|, or all
// plugin load decisions if |render_process_id| is -1.
@@ -80,8 +83,11 @@ class CefResourceContext : public content::ResourceContext {
scoped_refptr<extensions::InfoMap> extension_info_map_;
CefRefPtr<CefRequestContextHandler> handler_;
// Map (render_process_id, plugin_path) to plugin load decision.
typedef std::map<std::pair<int, base::FilePath>, bool>
// Map (render_process_id, plugin_path, is_main_frame, main_frame_origin) to
// plugin load decision.
typedef std::map<std::pair<std::pair<int, base::FilePath>,
std::pair<bool, url::Origin>>,
CefViewHostMsg_GetPluginInfo_Status>
PluginLoadDecisionMap;
PluginLoadDecisionMap plugin_load_decision_map_;

5
libcef/common/cef_messages.h
View File

@@ -231,10 +231,11 @@ IPC_STRUCT_END()
// In contrast to ViewHostMsg_GetPluginInfo in content/, this IPC call knows
// about specific reasons why a plugin can't be used, for example because it's
// disabled. Based on ChromeViewHostMsg_GetPluginInfo.
IPC_SYNC_MESSAGE_CONTROL4_1(CefViewHostMsg_GetPluginInfo,
IPC_SYNC_MESSAGE_CONTROL5_1(CefViewHostMsg_GetPluginInfo,
int /* render_frame_id */,
GURL /* url */,
url::Origin /* top origin url */,
bool /* is_main_frame */,
url::Origin /* top_origin_url */,
std::string /* mime_type */,
CefViewHostMsg_GetPluginInfo_Output /* output */)

4
libcef/renderer/content_renderer_client.cc
View File

@@ -507,8 +507,8 @@ bool CefContentRendererClient::OverrideCreatePlugin(
GURL url(params.url);
CefViewHostMsg_GetPluginInfo_Output output;
render_frame->Send(new CefViewHostMsg_GetPluginInfo(
render_frame->GetRoutingID(), url, frame->top()->getSecurityOrigin(),
orig_mime_type, &output));
render_frame->GetRoutingID(), url, render_frame->IsMainFrame(),
frame->top()->getSecurityOrigin(), orig_mime_type, &output));
*plugin = CreatePlugin(render_frame, frame, params, output);
return true;

1
libcef/renderer/plugins/cef_plugin_placeholder.cc
View File

@@ -182,6 +182,7 @@ void CefPluginPlaceholder::PluginListChanged() {
std::string mime_type(GetPluginParams().mimeType.utf8());
render_frame()->Send(new CefViewHostMsg_GetPluginInfo(
routing_id(), GURL(GetPluginParams().url),
GetFrame()->parent() == nullptr,
GetFrame()->top()->getSecurityOrigin(), mime_type, &output));
if (output.status == status_)
return;