user_script_set.cc | Explore in Territory

// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "extensions/renderer/user_script_set.h"

#include <stddef.h>

#include <memory>
#include <string_view>
#include <utility>

#include "base/containers/span.h"
#include "base/debug/alias.h"
#include "base/memory/ref_counted.h"
#include "base/observer_list.h"
#include "base/pickle.h"
#include "base/strings/strcat.h"
#include "content/public/common/url_constants.h"
#include "content/public/renderer/render_frame.h"
#include "content/public/renderer/render_thread.h"
#include "extensions/common/extension.h"
#include "extensions/common/extensions_client.h"
#include "extensions/common/mojom/host_id.mojom.h"
#include "extensions/renderer/extension_injection_host.h"
#include "extensions/renderer/extensions_renderer_client.h"
#include "extensions/renderer/injection_host.h"
#include "extensions/renderer/script_context.h"
#include "extensions/renderer/script_injection.h"
#include "extensions/renderer/user_script_injector.h"
#include "extensions/renderer/web_ui_injection_host.h"
#include "third_party/blink/public/web/web_document.h"
#include "third_party/blink/public/web/web_local_frame.h"
#include "url/gurl.h"

namespace extensions {

namespace {

// These two strings are injected before and after the Greasemonkey API and
// user script to wrap it in an anonymous scope.
const char kUserScriptHead[] = …;
const char kUserScriptTail[] = …;
// Maximum number of total content scripts we allow (across all extensions).
// The limit exists to diagnose https://crbug.com/723381. The number is
// arbitrarily chosen.
// TODO(lazyboy): Remove when the bug is fixed.
const uint32_t kNumScriptsArbitraryMax = …;

GURL GetDocumentUrlForFrame(blink::WebLocalFrame* frame) { … }

}  // namespace

UserScriptSet::UserScriptSet(mojom::HostID host_id)
    : … { … }

UserScriptSet::~UserScriptSet() { … }

void UserScriptSet::AddObserver(Observer* observer) { … }

void UserScriptSet::RemoveObserver(Observer* observer) { … }

void UserScriptSet::GetInjections(
    std::vector<std::unique_ptr<ScriptInjection>>* injections,
    content::RenderFrame* render_frame,
    int tab_id,
    mojom::RunLocation run_location,
    bool log_activity) { … }

bool UserScriptSet::UpdateUserScripts(
    base::ReadOnlySharedMemoryRegion shared_memory) { … }

void UserScriptSet::ClearUserScripts() { … }

std::unique_ptr<ScriptInjection> UserScriptSet::GetDeclarativeScriptInjection(
    const std::string& script_id,
    content::RenderFrame* render_frame,
    int tab_id,
    mojom::RunLocation run_location,
    const GURL& document_url,
    bool log_activity) { … }

std::unique_ptr<ScriptInjection> UserScriptSet::GetInjectionForScript(
    const UserScript* script,
    content::RenderFrame* render_frame,
    int tab_id,
    mojom::RunLocation run_location,
    const GURL& document_url,
    bool is_declarative,
    bool log_activity) { … }

blink::WebString UserScriptSet::GetJsSource(const UserScript::Content& file,
                                            bool emulate_greasemonkey) { … }

blink::WebString UserScriptSet::GetCssSource(const UserScript::Content& file) { … }

}  // namespace extensions
chromium/extensions/renderer/user_script_set.cc
