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content / browser / security / coop / cross_origin_opener_policy_reporter.cc [blame]
// Copyright 2020 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/security/coop/cross_origin_opener_policy_reporter.h"
#include "base/memory/raw_ptr.h"
#include "base/values.h"
#include "content/browser/renderer_host/frame_tree.h"
#include "content/browser/renderer_host/frame_tree_node.h"
#include "content/browser/renderer_host/render_frame_host_delegate.h"
#include "content/browser/renderer_host/render_frame_host_impl.h"
#include "content/browser/renderer_host/render_frame_proxy_host.h"
#include "content/public/browser/site_instance.h"
#include "content/public/browser/storage_partition.h"
#include "net/base/network_anonymization_key.h"
#include "services/network/public/cpp/features.h"
#include "services/network/public/mojom/network_context.mojom.h"
#include "services/network/public/mojom/source_location.mojom.h"
#include "url/origin.h"
namespace content {
namespace {
// Report attribute names (camelCase):
constexpr char kColumnNumber[] = "columnNumber";
constexpr char kDisposition[] = "disposition";
constexpr char kEffectivePolicy[] = "effectivePolicy";
constexpr char kInitialPopupURL[] = "initialPopupURL";
constexpr char kLineNumber[] = "lineNumber";
constexpr char kNextURL[] = "nextResponseURL";
constexpr char kOpeneeURL[] = "openeeURL";
constexpr char kOpenerURL[] = "openerURL";
constexpr char kOtherDocumentURL[] = "otherDocumentURL";
constexpr char kPreviousURL[] = "previousResponseURL";
constexpr char kProperty[] = "property";
constexpr char kReferrer[] = "referrer";
constexpr char kSourceFile[] = "sourceFile";
constexpr char kType[] = "type";
// Report attribute values:
constexpr char kDispositionEnforce[] = "enforce";
constexpr char kDispositionReporting[] = "reporting";
constexpr char kTypeFromResponse[] = "navigation-from-response";
constexpr char kTypeToResponse[] = "navigation-to-response";
std::string ToString(network::mojom::CrossOriginOpenerPolicyValue coop_value) {
switch (coop_value) {
case network::mojom::CrossOriginOpenerPolicyValue::kUnsafeNone:
return "unsafe-none";
case network::mojom::CrossOriginOpenerPolicyValue::kSameOrigin:
return "same-origin";
case network::mojom::CrossOriginOpenerPolicyValue::kSameOriginAllowPopups:
return "same-origin-allow-popups";
case network::mojom::CrossOriginOpenerPolicyValue::kRestrictProperties:
return "restrict-properties";
case network::mojom::CrossOriginOpenerPolicyValue::kSameOriginPlusCoep:
return "same-origin-plus-coep";
case network::mojom::CrossOriginOpenerPolicyValue::
kRestrictPropertiesPlusCoep:
return "restrict-properties-plus-coep";
case network::mojom::CrossOriginOpenerPolicyValue::kNoopenerAllowPopups:
return "noopener-allow-popups";
}
}
FrameTreeNode* TopLevelOpener(FrameTreeNode* frame) {
FrameTreeNode* opener =
frame->first_live_main_frame_in_original_opener_chain();
return opener ? opener->frame_tree().root() : nullptr;
}
// Remove sensitive data from URL used in reports.
std::string SanitizedURL(const GURL& url) {
// Strip username, password and ref fragment from the URL.
// Keep only the valid http/https ones.
//
// Note: This is the exact same operation used in
// ReportingServiceImpl::QueueReport() for the |url|.
return url.GetAsReferrer().spec();
}
class Receiver final : public network::mojom::CrossOriginOpenerPolicyReporter {
public:
Receiver(content::CrossOriginOpenerPolicyReporter* reporter,
std::string initial_popup_url)
: reporter_(reporter), initial_popup_url_(initial_popup_url) {}
~Receiver() final = default;
Receiver(const Receiver&) = delete;
Receiver& operator=(const Receiver&) = delete;
private:
void QueueAccessReport(network::mojom::CoopAccessReportType report_type,
const std::string& property,
network::mojom::SourceLocationPtr source_location,
const std::string& reported_window_url) final {
reporter_->QueueAccessReport(report_type, property,
std::move(source_location),
reported_window_url, initial_popup_url_);
}
// |reporter_| is always valid, because it owns |this|.
raw_ptr<const content::CrossOriginOpenerPolicyReporter> reporter_;
const std::string initial_popup_url_;
};
} // namespace
CrossOriginOpenerPolicyReporter::CrossOriginOpenerPolicyReporter(
StoragePartition* storage_partition,
const GURL& context_url,
const GURL& context_referrer_url,
const network::CrossOriginOpenerPolicy& coop,
const base::UnguessableToken& reporting_source,
const net::NetworkAnonymizationKey& network_anonymization_key)
: storage_partition_(storage_partition),
reporting_source_(reporting_source),
context_url_(context_url),
context_referrer_url_(SanitizedURL(context_referrer_url)),
coop_(coop),
network_anonymization_key_(network_anonymization_key) {
DCHECK(!reporting_source_.is_empty());
}
CrossOriginOpenerPolicyReporter::~CrossOriginOpenerPolicyReporter() = default;
network::mojom::CrossOriginOpenerPolicyReporterParamsPtr
CrossOriginOpenerPolicyReporter::CreateReporterParams(
bool access_from_coop_page,
FrameTreeNode* accessing_node,
FrameTreeNode* accessed_node) {
bool endpoint_defined =
coop_.report_only_reporting_endpoint || coop_.reporting_endpoint;
using network::mojom::CoopAccessReportType;
CoopAccessReportType report_type;
if (access_from_coop_page) {
if (accessing_node == TopLevelOpener(accessed_node))
report_type = CoopAccessReportType::kAccessFromCoopPageToOpenee;
else if (accessed_node == TopLevelOpener(accessing_node))
report_type = CoopAccessReportType::kAccessFromCoopPageToOpener;
else
report_type = CoopAccessReportType::kAccessFromCoopPageToOther;
} else {
if (accessed_node == TopLevelOpener(accessing_node))
report_type = CoopAccessReportType::kAccessToCoopPageFromOpenee;
else if (accessing_node == TopLevelOpener(accessed_node))
report_type = CoopAccessReportType::kAccessToCoopPageFromOpener;
else
report_type = CoopAccessReportType::kAccessToCoopPageFromOther;
}
RenderFrameHostImpl* accessing_rfh = accessing_node->current_frame_host();
RenderFrameHostImpl* accessed_rfh = accessed_node->current_frame_host();
bool same_origin = accessing_rfh->GetLastCommittedOrigin().IsSameOriginWith(
accessed_rfh->GetLastCommittedOrigin());
RenderFrameHostImpl* reported_rfh =
access_from_coop_page ? accessed_rfh : accessing_rfh;
RenderFrameHostImpl* reporting_rfh =
access_from_coop_page ? accessing_rfh : accessed_rfh;
std::string reported_window_url =
same_origin ? SanitizedURL(reported_rfh->GetLastCommittedURL()) : "";
// If the COOP window is the opener, and the other window's popup creator is
// same-origin with the COOP document, the openee' initial popup URL is
// reported.
std::string reported_initial_popup_url;
if (report_type == CoopAccessReportType::kAccessFromCoopPageToOpenee ||
report_type == CoopAccessReportType::kAccessToCoopPageFromOpenee) {
if (reporting_rfh->GetLastCommittedOrigin().IsSameOriginWith(
reported_rfh->frame_tree_node()->popup_creator_origin())) {
reported_initial_popup_url =
SanitizedURL(reported_rfh->frame_tree_node()->initial_popup_url());
}
}
// Warning: Do not send cross-origin sensitive data. They will be read from:
// 1) A potentially compromised renderer (the accessing window).
// 2) A network server (defined from the reporter).
mojo::PendingRemote<network::mojom::CrossOriginOpenerPolicyReporter>
remote_reporter;
receiver_set_.Add(
std::make_unique<Receiver>(this, reported_initial_popup_url),
remote_reporter.InitWithNewPipeAndPassReceiver());
return network::mojom::CrossOriginOpenerPolicyReporterParams::New(
report_type, std::move(remote_reporter), endpoint_defined,
reported_window_url);
}
void CrossOriginOpenerPolicyReporter::QueueNavigationToCOOPReport(
const GURL& previous_url,
bool same_origin_with_previous,
bool is_report_only) {
const std::optional<std::string>& endpoint =
is_report_only ? coop_.report_only_reporting_endpoint
: coop_.reporting_endpoint;
if (!endpoint)
return;
base::Value::Dict body;
body.Set(kDisposition,
is_report_only ? kDispositionReporting : kDispositionEnforce);
body.Set(kPreviousURL,
same_origin_with_previous ? SanitizedURL(previous_url) : "");
body.Set(kReferrer, context_referrer_url_);
body.Set(kType, kTypeToResponse);
QueueNavigationReport(std::move(body), *endpoint, is_report_only);
}
void CrossOriginOpenerPolicyReporter::QueueNavigationAwayFromCOOPReport(
const GURL& next_url,
bool is_current_source,
bool same_origin_with_next,
bool is_report_only) {
const std::optional<std::string>& endpoint =
is_report_only ? coop_.report_only_reporting_endpoint
: coop_.reporting_endpoint;
if (!endpoint)
return;
std::string sanitized_next_url;
if (is_current_source || same_origin_with_next)
sanitized_next_url = SanitizedURL(next_url);
base::Value::Dict body;
body.Set(kNextURL, sanitized_next_url);
body.Set(kType, kTypeFromResponse);
QueueNavigationReport(std::move(body), *endpoint, is_report_only);
}
void CrossOriginOpenerPolicyReporter::QueueAccessReport(
network::mojom::CoopAccessReportType report_type,
const std::string& property,
network::mojom::SourceLocationPtr source_location,
const std::string& reported_window_url,
const std::string& initial_popup_url) const {
// Cross-Origin-Opener-Policy-Report-Only is not required to provide
// endpoints.
if (!coop_.report_only_reporting_endpoint)
return;
const std::string& endpoint = coop_.report_only_reporting_endpoint.value();
DCHECK(base::FeatureList::IsEnabled(
network::features::kCrossOriginOpenerPolicy));
base::Value::Dict body;
body.Set(kType, network::CoopAccessReportTypeToString(report_type));
body.Set(kDisposition, kDispositionReporting);
body.Set(kEffectivePolicy, ToString(coop_.report_only_value));
body.Set(kProperty, property);
if (network::IsAccessFromCoopPage(report_type) &&
source_location->url != "") {
body.Set(kSourceFile, source_location->url);
body.Set(kLineNumber, static_cast<int>(source_location->line));
body.Set(kColumnNumber, static_cast<int>(source_location->column));
}
switch (report_type) {
// Reporter is the openee:
case network::mojom::CoopAccessReportType::kAccessFromCoopPageToOpener:
case network::mojom::CoopAccessReportType::kAccessToCoopPageFromOpener:
body.Set(kOpenerURL, reported_window_url);
body.Set(kReferrer, context_referrer_url_);
break;
// Reporter is the opener:
case network::mojom::CoopAccessReportType::kAccessFromCoopPageToOpenee:
case network::mojom::CoopAccessReportType::kAccessToCoopPageFromOpenee:
body.Set(kOpeneeURL, reported_window_url);
body.Set(kInitialPopupURL, initial_popup_url);
break;
// Other:
case network::mojom::CoopAccessReportType::kAccessFromCoopPageToOther:
case network::mojom::CoopAccessReportType::kAccessToCoopPageFromOther:
body.Set(kOtherDocumentURL, reported_window_url);
break;
}
storage_partition_->GetNetworkContext()->QueueReport(
"coop", endpoint, context_url_, reporting_source_,
network_anonymization_key_, std::move(body));
}
void CrossOriginOpenerPolicyReporter::QueueNavigationReport(
base::Value::Dict body,
const std::string& endpoint,
bool is_report_only) {
body.Set(kDisposition,
is_report_only ? kDispositionReporting : kDispositionEnforce);
body.Set(kEffectivePolicy,
ToString(is_report_only ? coop_.report_only_value : coop_.value));
storage_partition_->GetNetworkContext()->QueueReport(
"coop", endpoint, context_url_, reporting_source_,
network_anonymization_key_, std::move(body));
}
} // namespace content