Send HPKP violation reports when a pin check fails

net/http/transport_security_state.cc

Index: net/http/transport_security_state.cc
diff --git a/net/http/transport_security_state.cc b/net/http/transport_security_state.cc
index 88c6ec321e9554efeebad5a4547bf96aa92c52df..7921a1324323d7a115ce8c91ed6feec125c04aef 100644
--- a/net/http/transport_security_state.cc
+++ b/net/http/transport_security_state.cc
@@ -519,6 +519,10 @@ bool TransportSecurityState::CheckPublicKeyPins(
     const std::string& host,
     bool is_issued_by_known_root,
     const HashValueVector& public_key_hashes,
+    uint16_t port,
+    const scoped_refptr<X509Certificate>& served_certificate_chain,
+    const scoped_refptr<X509Certificate>& validated_certificate_chain,
+    const PublicKeyPinReportStatus report_status,
     std::string* pinning_failure_log) {
   // Perform pin validation if, and only if, all these conditions obtain:
   //
@@ -529,8 +533,9 @@ bool TransportSecurityState::CheckPublicKeyPins(
     return true;
   }
 
-  bool pins_are_valid =
-      CheckPublicKeyPinsImpl(host, public_key_hashes, pinning_failure_log);
+  bool pins_are_valid = CheckPublicKeyPinsImpl(
+      host, public_key_hashes, port, served_certificate_chain,
+      validated_certificate_chain, report_status, pinning_failure_log);
   if (!pins_are_valid) {
     LOG(ERROR) << *pinning_failure_log;
     ReportUMAOnPinFailure(host);
@@ -798,10 +803,36 @@ bool TransportSecurityState::IsBuildTimely() {
 bool TransportSecurityState::CheckPublicKeyPinsImpl(
     const std::string& host,
     const HashValueVector& hashes,
+    uint16_t port,
+    const scoped_refptr<X509Certificate>& served_certificate_chain,
+    const scoped_refptr<X509Certificate>& validated_certificate_chain,
+    const PublicKeyPinReportStatus report_status,
     std::string* failure_log) {
   DomainState dynamic_state;
-  if (GetDynamicDomainState(host, &dynamic_state))
-    return dynamic_state.CheckPublicKeyPins(hashes, failure_log);
+  if (GetDynamicDomainState(host, &dynamic_state)) {
+    bool result = dynamic_state.CheckPublicKeyPins(hashes, failure_log);
+
+    if (result || !reporter_ ||
+        report_status == DO_NOT_SEND_PUBLIC_KEY_PIN_REPORT)
+      return result;
+
+    GURL report_uri;
+    std::string serialized_report;
+
+    if (!reporter_->GetHPKPReportUri(dynamic_state.pkp, &report_uri))
+      return result;
+
+    if (!reporter_->BuildHPKPReport(
+            host, port, dynamic_state.pkp.expiry,
+            dynamic_state.pkp.include_subdomains, dynamic_state.pkp.domain,
+            served_certificate_chain, validated_certificate_chain,
+            dynamic_state.pkp.spki_hashes, &serialized_report)) {
+      LOG(ERROR) << "Failed to build HPKP report";
+      return result;
+    }
+
+    reporter_->SendHPKPReport(report_uri, serialized_report);
+  }
 
   DomainState static_state;
   if (GetStaticDomainState(host, &static_state))