cef/libcef/browser/net_service/cookie_helper.cc

329 lines
12 KiB
C++

// Copyright (c) 2019 The Chromium Embedded Framework 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 "libcef/browser/net_service/cookie_helper.h"
#include "libcef/browser/thread_util.h"
#include "libcef/common/net_service/net_service_util.h"
#include "base/functional/bind.h"
#include "content/public/browser/browser_context.h"
#include "content/public/browser/storage_partition.h"
#include "content/public/common/url_constants.h"
#include "net/base/load_flags.h"
#include "net/cookies/cookie_options.h"
#include "net/cookies/cookie_util.h"
#include "services/network/cookie_manager.h"
#include "services/network/public/cpp/resource_request.h"
namespace net_service::cookie_helper {
namespace {
// Do not keep a reference to the object returned by this method.
CefBrowserContext* GetBrowserContext(const CefBrowserContext::Getter& getter) {
CEF_REQUIRE_UIT();
DCHECK(!getter.is_null());
// Will return nullptr if the BrowserContext has been shut down.
return getter.Run();
}
// Do not keep a reference to the object returned by this method.
network::mojom::CookieManager* GetCookieManager(
content::BrowserContext* browser_context) {
CEF_REQUIRE_UIT();
return browser_context->GetDefaultStoragePartition()
->GetCookieManagerForBrowserProcess();
}
net::CookieOptions GetCookieOptions(const network::ResourceRequest& request,
bool for_loading_cookies) {
// Match the logic from InterceptionJob::FetchCookies and
// ChromeContentBrowserClient::ShouldIgnoreSameSiteCookieRestrictionsWhenTopLevel.
bool should_treat_as_first_party =
request.url.SchemeIsCryptographic() &&
request.site_for_cookies.scheme() == content::kChromeUIScheme;
bool is_main_frame_navigation =
request.trusted_params &&
request.trusted_params->isolation_info.request_type() ==
net::IsolationInfo::RequestType::kMainFrame;
// Match the logic from URLRequest::SetURLChain.
std::vector<GURL> url_chain{request.url};
if (request.navigation_redirect_chain.size() >= 2) {
// Keep |request.url| as the final entry in the chain.
url_chain.insert(url_chain.begin(),
request.navigation_redirect_chain.begin(),
request.navigation_redirect_chain.begin() +
request.navigation_redirect_chain.size() - 1);
}
net::CookieOptions options;
options.set_include_httponly();
if (for_loading_cookies) {
// Match the logic from URLRequestHttpJob::AddCookieHeaderAndStart.
options.set_same_site_cookie_context(
net::cookie_util::ComputeSameSiteContextForRequest(
request.method, url_chain, request.site_for_cookies,
request.request_initiator, is_main_frame_navigation,
should_treat_as_first_party));
} else {
// Match the logic from
// URLRequestHttpJob::SaveCookiesAndNotifyHeadersComplete.
options.set_same_site_cookie_context(
net::cookie_util::ComputeSameSiteContextForResponse(
url_chain, request.site_for_cookies, request.request_initiator,
is_main_frame_navigation, should_treat_as_first_party));
}
return options;
}
//
// LOADING COOKIES.
//
void ContinueWithLoadedCookies(const AllowCookieCallback& allow_cookie_callback,
DoneCookieCallback done_callback,
const net::CookieAccessResultList& cookies) {
CEF_REQUIRE_IOT();
net::CookieList allowed_cookies;
for (const auto& status : cookies) {
bool allow = false;
allow_cookie_callback.Run(status.cookie, &allow);
if (allow) {
allowed_cookies.push_back(status.cookie);
}
}
std::move(done_callback).Run(cookies.size(), std::move(allowed_cookies));
}
void GetCookieListCallback(const AllowCookieCallback& allow_cookie_callback,
DoneCookieCallback done_callback,
const net::CookieAccessResultList& included_cookies,
const net::CookieAccessResultList&) {
CEF_REQUIRE_UIT();
CEF_POST_TASK(CEF_IOT,
base::BindOnce(ContinueWithLoadedCookies, allow_cookie_callback,
std::move(done_callback), included_cookies));
}
void LoadCookiesOnUIThread(
const CefBrowserContext::Getter& browser_context_getter,
const GURL& url,
const net::CookieOptions& options,
net::CookiePartitionKeyCollection cookie_partition_key_collection,
const AllowCookieCallback& allow_cookie_callback,
DoneCookieCallback done_callback) {
auto cef_browser_context = GetBrowserContext(browser_context_getter);
auto browser_context =
cef_browser_context ? cef_browser_context->AsBrowserContext() : nullptr;
if (!browser_context) {
GetCookieListCallback(allow_cookie_callback, std::move(done_callback),
net::CookieAccessResultList(),
net::CookieAccessResultList());
return;
}
GetCookieManager(browser_context)
->GetCookieList(
url, options, cookie_partition_key_collection,
base::BindOnce(GetCookieListCallback, allow_cookie_callback,
std::move(done_callback)));
}
//
// SAVING COOKIES.
//
struct SaveCookiesProgress {
DoneCookieCallback done_callback_;
int total_count_;
net::CookieList allowed_cookies_;
int num_cookie_lines_left_;
};
void SetCanonicalCookieCallback(SaveCookiesProgress* progress,
const net::CanonicalCookie& cookie,
net::CookieAccessResult access_result) {
CEF_REQUIRE_UIT();
progress->num_cookie_lines_left_--;
if (access_result.status.IsInclude()) {
progress->allowed_cookies_.push_back(cookie);
}
// If all the cookie lines have been handled the request can be continued.
if (progress->num_cookie_lines_left_ == 0) {
CEF_POST_TASK(CEF_IOT,
base::BindOnce(std::move(progress->done_callback_),
progress->total_count_,
std::move(progress->allowed_cookies_)));
delete progress;
}
}
void SaveCookiesOnUIThread(
const CefBrowserContext::Getter& browser_context_getter,
const GURL& url,
const net::CookieOptions& options,
int total_count,
net::CookieList cookies,
DoneCookieCallback done_callback) {
DCHECK(!cookies.empty());
auto cef_browser_context = GetBrowserContext(browser_context_getter);
auto browser_context =
cef_browser_context ? cef_browser_context->AsBrowserContext() : nullptr;
if (!browser_context) {
std::move(done_callback).Run(0, net::CookieList());
return;
}
network::mojom::CookieManager* cookie_manager =
GetCookieManager(browser_context);
// |done_callback| needs to be executed once and only once after the list has
// been fully processed. |num_cookie_lines_left_| keeps track of how many
// async callbacks are currently pending.
auto progress = new SaveCookiesProgress;
progress->done_callback_ = std::move(done_callback);
progress->total_count_ = total_count;
// Make sure to wait for the loop to complete.
progress->num_cookie_lines_left_ = 1;
for (const auto& cookie : cookies) {
progress->num_cookie_lines_left_++;
cookie_manager->SetCanonicalCookie(
cookie, url, options,
base::BindOnce(&SetCanonicalCookieCallback, base::Unretained(progress),
cookie));
}
SetCanonicalCookieCallback(
progress, net::CanonicalCookie(),
net::CookieAccessResult(net::CookieInclusionStatus(
net::CookieInclusionStatus::EXCLUDE_UNKNOWN_ERROR)));
}
} // namespace
bool IsCookieableScheme(
const GURL& url,
const std::optional<std::vector<std::string>>& cookieable_schemes) {
if (!url.has_scheme()) {
return false;
}
if (cookieable_schemes) {
// The client has explicitly registered the full set of schemes that should
// be supported.
const auto url_scheme = url.scheme_piece();
for (auto scheme : *cookieable_schemes) {
if (url_scheme == scheme) {
return true;
}
}
return false;
}
// Schemes that support cookies by default.
// This should match CookieMonster::kDefaultCookieableSchemes.
return url.SchemeIsHTTPOrHTTPS() || url.SchemeIsWSOrWSS();
}
void LoadCookies(const CefBrowserContext::Getter& browser_context_getter,
const network::ResourceRequest& request,
const AllowCookieCallback& allow_cookie_callback,
DoneCookieCallback done_callback) {
CEF_REQUIRE_IOT();
if ((request.load_flags & net::LOAD_DO_NOT_SEND_COOKIES) ||
request.credentials_mode == network::mojom::CredentialsMode::kOmit ||
request.url.IsAboutBlank()) {
// Continue immediately without loading cookies.
std::move(done_callback).Run(0, {});
return;
}
net::CookiePartitionKeyCollection partition_key_collection;
if (request.trusted_params.has_value() &&
!request.trusted_params->isolation_info.IsEmpty()) {
partition_key_collection = net::CookiePartitionKeyCollection::FromOptional(
net::CookiePartitionKey::FromNetworkIsolationKey(
request.trusted_params->isolation_info.network_isolation_key()));
}
CEF_POST_TASK(
CEF_UIT,
base::BindOnce(LoadCookiesOnUIThread, browser_context_getter, request.url,
GetCookieOptions(request, /*for_loading_cookies=*/true),
std::move(partition_key_collection), allow_cookie_callback,
std::move(done_callback)));
}
void SaveCookies(const CefBrowserContext::Getter& browser_context_getter,
const network::ResourceRequest& request,
net::HttpResponseHeaders* headers,
const AllowCookieCallback& allow_cookie_callback,
DoneCookieCallback done_callback) {
CEF_REQUIRE_IOT();
if (request.credentials_mode == network::mojom::CredentialsMode::kOmit ||
request.url.IsAboutBlank() || !headers ||
!headers->HasHeader(net_service::kHTTPSetCookieHeaderName)) {
// Continue immediately without saving cookies.
std::move(done_callback).Run(0, {});
return;
}
// Match the logic in
// URLRequestHttpJob::SaveCookiesAndNotifyHeadersComplete.
base::Time response_date;
if (!headers->GetDateValue(&response_date)) {
response_date = base::Time();
}
const base::StringPiece name(net_service::kHTTPSetCookieHeaderName);
std::string cookie_string;
size_t iter = 0;
net::CookieList allowed_cookies;
int total_count = 0;
while (headers->EnumerateHeader(&iter, name, &cookie_string)) {
total_count++;
net::CookieInclusionStatus returned_status;
std::unique_ptr<net::CanonicalCookie> cookie = net::CanonicalCookie::Create(
request.url, cookie_string, base::Time::Now(),
std::make_optional(response_date),
/*cookie_partition_key=*/std::nullopt,
/*block_truncated=*/true, &returned_status);
if (!returned_status.IsInclude()) {
continue;
}
bool allow = false;
allow_cookie_callback.Run(*cookie, &allow);
if (allow) {
allowed_cookies.push_back(*cookie);
}
}
if (!allowed_cookies.empty()) {
CEF_POST_TASK(
CEF_UIT,
base::BindOnce(
SaveCookiesOnUIThread, browser_context_getter, request.url,
GetCookieOptions(request, /*for_loading_cookies=*/false),
total_count, std::move(allowed_cookies), std::move(done_callback)));
} else {
std::move(done_callback).Run(total_count, std::move(allowed_cookies));
}
}
} // namespace net_service::cookie_helper