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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/browser/btm/btm_utils.h"
#include <algorithm>
#include <string_view>
#include "base/feature_list.h"
#include "base/time/time.h"
#include "content/public/browser/browser_context.h"
#include "content/public/browser/cookie_access_details.h"
#include "content/public/browser/web_contents.h"
#include "net/base/registry_controlled_domains/registry_controlled_domain.h"
#include "url/gurl.h"
#include "url/origin.h"
namespace content {
base::cstring_view BtmCookieModeToString(BtmCookieMode mode) {
switch (mode) {
case BtmCookieMode::kBlock3PC:
return "Block3PC";
case BtmCookieMode::kOffTheRecord_Block3PC:
return "OffTheRecord_Block3PC";
}
}
base::cstring_view BtmRedirectTypeToString(BtmRedirectType type) {
switch (type) {
case BtmRedirectType::kClient:
return "Client";
case BtmRedirectType::kServer:
return "Server";
}
}
base::cstring_view BtmDataAccessTypeToString(BtmDataAccessType type) {
switch (type) {
case BtmDataAccessType::kUnknown:
return "Unknown";
case BtmDataAccessType::kNone:
return "None";
case BtmDataAccessType::kRead:
return "Read";
case BtmDataAccessType::kWrite:
return "Write";
case BtmDataAccessType::kReadWrite:
return "ReadWrite";
}
}
base::FilePath GetBtmFilePath(BrowserContext* context) {
return context->GetPath().Append(kBtmFilename);
}
bool UpdateTimestampRange(TimestampRange& range, base::Time time) {
if (!range.has_value()) {
range = {time, time};
return true;
}
if (time < range->first) {
range->first = time;
return true;
}
if (time > range->second) {
range->second = time;
return true;
}
return false;
}
bool IsNullOrWithin(const TimestampRange& inner, const TimestampRange& outer) {
if (!inner.has_value()) {
return true;
}
if (!outer.has_value()) {
return false;
}
return outer->first <= inner->first && inner->second <= outer->second;
}
std::ostream& operator<<(std::ostream& os, TimestampRange range) {
if (!range.has_value()) {
return os << "[NULL, NULL]";
}
return os << "[" << range->first << ", " << range->second << "]";
}
// BtmDataAccessType:
std::ostream& operator<<(std::ostream& os, BtmDataAccessType access_type) {
return os << BtmDataAccessTypeToString(access_type);
}
// BtmCookieMode:
BtmCookieMode GetBtmCookieMode(bool is_otr) {
return is_otr ? BtmCookieMode::kOffTheRecord_Block3PC
: BtmCookieMode::kBlock3PC;
}
std::string_view GetHistogramSuffix(BtmCookieMode mode) {
// Any changes here need to be reflected in DIPSCookieMode in
// tools/metrics/histograms/metadata/others/histograms.xml
switch (mode) {
case BtmCookieMode::kBlock3PC:
return ".Block3PC";
case BtmCookieMode::kOffTheRecord_Block3PC:
return ".OffTheRecord_Block3PC";
}
DCHECK(false) << "Invalid BtmCookieMode";
return std::string_view();
}
std::ostream& operator<<(std::ostream& os, BtmCookieMode mode) {
return os << BtmCookieModeToString(mode);
}
// BtmRedirectType:
std::string_view GetHistogramPiece(BtmRedirectType type) {
// Any changes here need to be reflected in
// tools/metrics/histograms/metadata/privacy/histograms.xml
switch (type) {
case BtmRedirectType::kClient:
return "Client";
case BtmRedirectType::kServer:
return "Server";
}
DCHECK(false) << "Invalid BtmRedirectType";
return std::string_view();
}
std::ostream& operator<<(std::ostream& os, BtmRedirectType type) {
return os << BtmRedirectTypeToString(type);
}
int64_t BucketizeBtmBounceDelay(base::TimeDelta delta) {
return std::clamp(delta.InSeconds(), INT64_C(0), INT64_C(10));
}
std::string GetSiteForBtm(const GURL& url) {
const auto domain = net::registry_controlled_domains::GetDomainAndRegistry(
url, net::registry_controlled_domains::INCLUDE_PRIVATE_REGISTRIES);
return domain.empty() ? url.host() : domain;
}
std::string GetSiteForBtm(const url::Origin& origin) {
const auto domain = net::registry_controlled_domains::GetDomainAndRegistry(
origin, net::registry_controlled_domains::INCLUDE_PRIVATE_REGISTRIES);
return domain.empty() ? origin.host() : domain;
}
bool HasSameSiteIframe(WebContents* web_contents, const GURL& url) {
const auto popup_site = net::SiteForCookies::FromUrl(url);
bool found = false;
web_contents->GetPrimaryMainFrame()->ForEachRenderFrameHostWithAction(
[&](RenderFrameHost* frame) {
if (frame->IsInPrimaryMainFrame()) {
// Continue to look at children of the main frame.
return RenderFrameHost::FrameIterationAction::kContinue;
}
// Note: For future first-party checks, consider using schemeful site
// comparisons. More specs are moving to schemeful, although this is
// different from how cookie access is currently classified.
if (popup_site.IsFirstPartyWithSchemefulMode(
frame->GetLastCommittedURL(), /*compute_schemefully=*/false)) {
// We found a same-site iframe -- break out of the ForEach loop.
found = true;
return RenderFrameHost::FrameIterationAction::kStop;
}
// Not same-site, so skip children and go to the next sibling iframe.
return RenderFrameHost::FrameIterationAction::kSkipChildren;
});
return found;
}
bool UpdateTimestamp(std::optional<base::Time>& last_time, base::Time now) {
if (!last_time.has_value() ||
(now - last_time.value()) >= kBtmTimestampUpdateInterval) {
last_time = now;
return true;
}
return false;
}
bool HasCHIPS(const net::CookieAccessResultList& cookie_access_result_list) {
for (const auto& cookie_with_access_result : cookie_access_result_list) {
if (cookie_with_access_result.cookie.IsPartitioned()) {
return true;
}
}
return false;
}
} // namespace content
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