79 lines
2.5 KiB
C++
79 lines
2.5 KiB
C++
// Copyright (c) 2019 The Chromium Embedded Framework Authors. All rights
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// reserved. Use of this source code is governed by a BSD-style license that can
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// be found in the LICENSE file.
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#include "cef/libcef/common/frame_util.h"
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#include "base/strings/string_number_conversions.h"
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#include "base/strings/stringprintf.h"
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#include "cef/libcef/browser/thread_util.h"
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#include "content/public/browser/navigation_handle.h"
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#include "content/public/browser/render_frame_host.h"
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namespace frame_util {
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content::GlobalRenderFrameHostId GetGlobalId(
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content::NavigationHandle* navigation_handle) {
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CEF_REQUIRE_UIT();
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return navigation_handle->HasCommitted()
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? navigation_handle->GetRenderFrameHost()->GetGlobalId()
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: navigation_handle->GetPreviousRenderFrameHostId();
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}
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std::optional<content::GlobalRenderFrameHostToken> ParseFrameIdentifier(
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const std::string& identifier) {
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if (identifier.size() < 3) {
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return std::nullopt;
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}
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const size_t pos = identifier.find('-');
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if (pos == std::string::npos || pos == 0 || pos == identifier.size() - 1) {
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return std::nullopt;
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}
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std::string_view process_id_str(identifier.c_str(), pos);
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int process_id;
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if (!base::HexStringToInt(process_id_str, &process_id) ||
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!IsValidChildId(process_id)) {
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return std::nullopt;
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}
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std::string_view frame_token_str(identifier.c_str() + pos + 1,
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identifier.size() - pos - 1);
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auto token = base::Token::FromString(frame_token_str);
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if (token) {
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auto unguessable_token =
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base::UnguessableToken::Deserialize(token->high(), token->low());
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if (unguessable_token) {
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return content::GlobalRenderFrameHostToken(
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process_id, blink::LocalFrameToken(unguessable_token.value()));
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}
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}
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return std::nullopt;
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}
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std::string MakeFrameIdentifier(
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const content::GlobalRenderFrameHostToken& global_token) {
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if (!IsValidGlobalToken(global_token)) {
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return std::string();
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}
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// All upper-case hex values.
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return base::StringPrintf("%X-%s", global_token.child_id,
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global_token.frame_token.ToString().c_str());
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}
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std::string GetFrameDebugString(
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const content::GlobalRenderFrameHostId& global_id) {
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return base::StringPrintf("[%d,%d]", global_id.child_id,
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global_id.frame_routing_id);
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}
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std::string GetFrameDebugString(
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const content::GlobalRenderFrameHostToken& global_token) {
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return MakeFrameIdentifier(global_token);
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}
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} // namespace frame_util
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