Implement static cert verification correctly

assignment-client/src/entities/EntityServer.cpp

@@ -459,9 +459,7 @@ void EntityServer::startDynamicDomainVerification() {
         EntityItemPointer entity = tree->findEntityByEntityItemID(i.value());
 
         if (entity) {
-            // ZRF FIXME!!!
-            //if (!entity->verifyStaticCertificateProperties()) {
-            if (false) {
+            if (!entity->verifyStaticCertificateProperties()) {
                 qCDebug(entities) << "During Dynamic Domain Verification, a certified entity with ID" << i.value() << "failed"
                     << "static certificate verification.";
                 // Delete the entity if it doesn't pass static certificate verification

libraries/entities/src/EntityItem.cpp

@@ -14,9 +14,13 @@
 #include <QtCore/QObject>
 #include <QtEndian>
 #include <QJsonDocument>
-#include <openssl/rsa.h>  // see comments for DEBUG_CERT
+#include <openssl/rsa.h>
 #include <openssl/pem.h>
 #include <openssl/x509.h>
+#include <NetworkingConstants.h>
+#include <NetworkAccessManager.h>
+#include <QtNetwork/QNetworkReply>
+#include <QtNetwork/QNetworkRequest>
 
 #include <glm/gtx/transform.hpp>
 
@@ -41,6 +45,7 @@ int entityItemPointernMetaTypeId = qRegisterMetaType<EntityItemPointer>();
 
 int EntityItem::_maxActionsDataSize = 800;
 quint64 EntityItem::_rememberDeletedActionTime = 20 * USECS_PER_SECOND;
+QString EntityItem::_marketplacePublicKey;
 
 EntityItem::EntityItem(const EntityItemID& entityItemID) :
     SpatiallyNestable(NestableType::Entity, entityItemID) 
@@ -1588,16 +1593,16 @@ QByteArray EntityItem::getStaticCertificateJSON() const {
     // It is important that this be reproducible in the same order each time. Since we also generate these on the server, we do it alphabetically
     // to help maintainence in two different code bases.
     if (!propertySet.getAnimation().getURL().isEmpty()) {
-        json["animation.url"] = propertySet.getAnimation().getURL();
+        json["animationURL"] = propertySet.getAnimation().getURL();
     }
     ADD_STRING_PROPERTY(collisionSoundURL, CollisionSoundURL);
     ADD_STRING_PROPERTY(compoundShapeURL, CompoundShapeURL);
     ADD_INT_PROPERTY(editionNumber, EditionNumber);
-    ADD_INT_PROPERTY(entityInstanceNumber, EntityInstanceNumber);
+    ADD_INT_PROPERTY(instanceNumber, EntityInstanceNumber);
     ADD_STRING_PROPERTY(itemArtist, ItemArtist);
     ADD_STRING_PROPERTY(itemCategories, ItemCategories);
     ADD_STRING_PROPERTY(itemDescription, ItemDescription);
-    ADD_STRING_PROPERTY(itemLicense, ItemLicense);
+    ADD_STRING_PROPERTY(itemLicenseUrl, ItemLicense);
     ADD_STRING_PROPERTY(itemName, ItemName);
     ADD_INT_PROPERTY(limitedRun, LimitedRun);
     ADD_STRING_PROPERTY(marketplaceID, MarketplaceID);
@@ -1612,39 +1617,6 @@ QByteArray EntityItem::getStaticCertificateHash() const {
     return QCryptographicHash::hash(getStaticCertificateJSON(), QCryptographicHash::Sha256);
 }
 
-#ifdef DEBUG_CERT
-QString EntityItem::computeCertificateID() {
-    // Until the marketplace generates it, compute and answer the certificateID here.
-    // Does not set it, as that will have to be done from script engine in order to update server, etc.
-    const auto hash = getStaticCertificateHash();
-    const auto text = reinterpret_cast<const unsigned char*>(hash.constData());
-    const unsigned int textLength = hash.length();
-
-    const char privateKey[] = "-----BEGIN RSA PRIVATE KEY-----\n\
-MIIBOQIBAAJBALCoBiDAZOClO26tC5pd7JikBL61WIgpAqbcNnrV/TcG6LPI7Zbi\n\
-MjdUixmTNvYMRZH3Wlqtl2IKG1W68y3stKECAwEAAQJABvOlwhYwIhL+gr12jm2R\n\
-yPPzZ9nVEQ6kFxLlZfIT09119fd6OU1X5d4sHWfMfSIEgjwQIDS3ZU1kY3XKo87X\n\
-zQIhAOPHlYa1OC7BLhaTouy68qIU2vCKLP8mt4S31/TT0UOnAiEAxor6gU6yupTQ\n\
-yuyV3yHvr5LkZKBGqhjmOTmDfgtX7ncCIChGbgX3nQuHVOLhD/nTxHssPNozVGl5\n\
-KxHof+LmYSYZAiB4U+yEh9SsXdq40W/3fpLMPuNq1PRezJ5jGidGMcvF+wIgUNec\n\
-3Kg2U+CVZr8/bDT/vXRrsKj1zfobYuvbfVH02QY=\n\
------END RSA PRIVATE KEY-----";
-    BIO* bio = BIO_new_mem_buf((void*)privateKey, sizeof(privateKey));
-    RSA* rsa = PEM_read_bio_RSAPrivateKey(bio, NULL, NULL, NULL);
-
-    QByteArray signature(RSA_size(rsa), 0);
-    unsigned int signatureLength = 0;
-    const int signOK = RSA_sign(NID_sha256, text, textLength, reinterpret_cast<unsigned char*>(signature.data()), &signatureLength, rsa);
-    BIO_free(bio);
-    RSA_free(rsa);
-    if (!signOK) {
-        qCWarning(entities) << "Unable to compute signature for" << getName() << getEntityItemID();
-        return "";
-    }
-    return signature.toBase64();
-#endif
-}
-
 bool EntityItem::verifyStaticCertificateProperties() {
     // True IIF a non-empty certificateID matches the static certificate json.
     // I.e., if we can verify that the certificateID was produced by High Fidelity signing the static certificate hash.
@@ -1659,13 +1631,8 @@ bool EntityItem::verifyStaticCertificateProperties() {
     const auto hash = getStaticCertificateHash();
     const auto text = reinterpret_cast<const unsigned char*>(hash.constData());
     const unsigned int textLength = hash.length();
-    
-    // After DEBUG_CERT ends, we will get/cache this once from the marketplace when needed, and it likely won't be RSA.
-    const char publicKey[] = "-----BEGIN PUBLIC KEY-----\n\
-MFwwDQYJKoZIhvcNAQEBBQADSwAwSAJBALCoBiDAZOClO26tC5pd7JikBL61WIgp\n\
-AqbcNnrV/TcG6LPI7ZbiMjdUixmTNvYMRZH3Wlqtl2IKG1W68y3stKECAwEAAQ==\n\
------END PUBLIC KEY-----";
-    BIO *bio = BIO_new_mem_buf((void*)publicKey, sizeof(publicKey));
+
+    BIO *bio = BIO_new_mem_buf((void*)qPrintable(EntityItem::_marketplacePublicKey), -1);
     EVP_PKEY* evp_key = PEM_read_bio_PUBKEY(bio, NULL, NULL, NULL);
     RSA* rsa = EVP_PKEY_get1_RSA(evp_key);
     bool answer = RSA_verify(NID_sha256, text, textLength, signature, signatureLength, rsa);
@@ -3006,3 +2973,34 @@ void EntityItem::somethingChangedNotification() {
         }
     });
 }
+
+void EntityItem::retrieveMarketplacePublicKey() {
+    QNetworkAccessManager& networkAccessManager = NetworkAccessManager::getInstance();
+    QNetworkRequest networkRequest;
+    networkRequest.setAttribute(QNetworkRequest::FollowRedirectsAttribute, true);
+    QUrl requestURL = NetworkingConstants::METAVERSE_SERVER_URL;
+    requestURL.setPath("/api/v1/commerce/marketplace_key");
+    QJsonObject request;
+    networkRequest.setUrl(requestURL);
+
+    QNetworkReply* networkReply = NULL;
+    networkReply = networkAccessManager.get(networkRequest);
+
+    connect(networkReply, &QNetworkReply::finished, [=]() {
+        QJsonObject jsonObject = QJsonDocument::fromJson(networkReply->readAll()).object();
+        jsonObject = jsonObject["data"].toObject();
+
+        if (networkReply->error() == QNetworkReply::NoError) {
+            if (!jsonObject["public_key"].toString().isEmpty()) {
+                EntityItem::_marketplacePublicKey = jsonObject["public_key"].toString();
+                qCWarning(entities) << "Marketplace public key has been set to" << _marketplacePublicKey;
+            } else {
+                qCWarning(entities) << "Marketplace public key is empty!";
+            }
+        } else {
+            qCWarning(entities) << "Call to" << networkRequest.url() << "failed! Error:" << networkReply->error();
+        }
+
+        networkReply->deleteLater();
+    });
+}

libraries/entities/src/EntityItem.h

@@ -36,9 +36,6 @@
 #include "SimulationFlags.h"
 #include "EntityDynamicInterface.h"
 
-// FIXME: The server-side marketplace will soon create the certificateID. At that point, all of the DEBUG_CERT stuff will go away.
-#define DEBUG_CERT 1
-
 class EntitySimulation;
 class EntityTreeElement;
 class EntityTreeElementExtraEncodeData;
@@ -331,9 +328,6 @@ public:
     QByteArray getStaticCertificateJSON() const;
     QByteArray getStaticCertificateHash() const;
     bool verifyStaticCertificateProperties();
-#ifdef DEBUG_CERT
-    QString computeCertificateID();
-#endif
 
     // TODO: get rid of users of getRadius()...
     float getRadius() const;
@@ -484,6 +478,9 @@ public:
     ChangeHandlerId registerChangeHandler(const ChangeHandlerCallback& handler);
     void deregisterChangeHandler(const ChangeHandlerId& changeHandlerId);
 
+    static QString _marketplacePublicKey;
+    static void retrieveMarketplacePublicKey();
+
 protected:
     QHash<ChangeHandlerId, ChangeHandlerCallback> _changeHandlers;
 
@@ -635,7 +632,6 @@ protected:
     quint64 _lastUpdatedVelocityTimestamp { 0 };
     quint64 _lastUpdatedAngularVelocityTimestamp { 0 };
     quint64 _lastUpdatedAccelerationTimestamp { 0 };
-
 };
 
 #endif // hifi_EntityItem_h

libraries/entities/src/EntityScriptingInterface.cpp

@@ -1778,18 +1778,3 @@ bool EntityScriptingInterface::verifyStaticCertificateProperties(const QUuid& en
     }
     return result;
 }
-
-#ifdef DEBUG_CERT
-QString EntityScriptingInterface::computeCertificateID(const QUuid& entityID) {
-    QString result { "" };
-    if (_entityTree) {
-        _entityTree->withReadLock([&] {
-            EntityItemPointer entity = _entityTree->findEntityByEntityItemID(EntityItemID(entityID));
-            if (entity) {
-                result = entity->computeCertificateID();
-            }
-        });
-    }
-    return result;
-}
-#endif

libraries/entities/src/EntityScriptingInterface.h

@@ -387,9 +387,6 @@ public slots:
     Q_INVOKABLE glm::mat4 getEntityLocalTransform(const QUuid& entityID);
 
     Q_INVOKABLE bool verifyStaticCertificateProperties(const QUuid& entityID);
-#ifdef DEBUG_CERT
-    Q_INVOKABLE QString computeCertificateID(const QUuid& entityID);
-#endif
 
 signals:
     void collisionWithEntity(const EntityItemID& idA, const EntityItemID& idB, const Collision& collision);

libraries/entities/src/EntityTree.cpp

@@ -71,6 +71,8 @@ EntityTree::EntityTree(bool shouldReaverage) :
     Octree(shouldReaverage)
 {
     resetClientEditStats();
+
+    EntityItem::retrieveMarketplacePublicKey();
 }
 
 EntityTree::~EntityTree() {
@@ -1523,9 +1525,7 @@ int EntityTree::processEditPacketData(ReceivedMessage& message, const unsigned c
                         _totalCreates++;
 
                         if (newEntity && isCertified && getIsServer()) {
-                            // ZRF FIXME!!!
-                            //if (!newEntity->verifyStaticCertificateProperties()) {
-                            if (false) {
+                            if (!newEntity->verifyStaticCertificateProperties()) {
                                 qCDebug(entities) << "User" << senderNode->getUUID()
                                     << "attempted to add a certified entity with ID" << entityItemID << "which failed"
                                     << "static certificate verification.";