Remove old code

src/Bridge/IBridge.cpp

@@ -61,14 +61,8 @@ namespace
     Poco::Net::SocketAddress socketBindListen(Poco::Net::ServerSocket & socket, const std::string & host, UInt16 port, Poco::Logger * log)
     {
         auto address = makeSocketAddress(host, port, log);
-#if POCO_VERSION < 0x01080000
-        socket.bind(address, /* reuseAddress = */ true);
-#else
         socket.bind(address, /* reuseAddress = */ true, /* reusePort = */ false);
-#endif
-
         socket.listen(/* backlog = */ 64);
-
         return address;
     }
 }

src/Dictionaries/MongoDBDictionarySource.cpp

@@ -145,13 +145,9 @@ MongoDBDictionarySource::MongoDBDictionarySource(
         connection->connect(host, port);
         if (!user.empty())
         {
-#if POCO_VERSION >= 0x01070800
             Poco::MongoDB::Database poco_db(db);
             if (!poco_db.authenticate(*connection, user, password, method.empty() ? Poco::MongoDB::Database::AUTH_SCRAM_SHA1 : method))
                 throw Exception(ErrorCodes::MONGODB_CANNOT_AUTHENTICATE, "Cannot authenticate in MongoDB, incorrect user or password");
-#else
-            authenticate(*connection, db, user, password);
-#endif
         }
     }
 }

src/Processors/Transforms/MongoDBSource.cpp

@@ -35,105 +35,6 @@ namespace ErrorCodes
 }
 
 
-#if POCO_VERSION < 0x01070800
-/// See https://pocoproject.org/forum/viewtopic.php?f=10&t=6326&p=11426&hilit=mongodb+auth#p11485
-void authenticate(Poco::MongoDB::Connection & connection, const std::string & database, const std::string & user, const std::string & password)
-{
-    Poco::MongoDB::Database db(database);
-
-    /// Challenge-response authentication.
-    std::string nonce;
-
-    /// First step: request nonce.
-    {
-        auto command = db.createCommand();
-        command->setNumberToReturn(1);
-        command->selector().add<Int32>("getnonce", 1);
-
-        Poco::MongoDB::ResponseMessage response;
-        connection.sendRequest(*command, response);
-
-        if (response.documents().empty())
-            throw Exception(
-                "Cannot authenticate in MongoDB: server returned empty response for 'getnonce' command",
-                ErrorCodes::MONGODB_CANNOT_AUTHENTICATE);
-
-        auto doc = response.documents()[0];
-        try
-        {
-            double ok = doc->get<double>("ok", 0);
-            if (ok != 1)
-                throw Exception(
-                    "Cannot authenticate in MongoDB: server returned response for 'getnonce' command that"
-                    " has field 'ok' missing or having wrong value",
-                    ErrorCodes::MONGODB_CANNOT_AUTHENTICATE);
-
-            nonce = doc->get<std::string>("nonce", "");
-            if (nonce.empty())
-                throw Exception(
-                    "Cannot authenticate in MongoDB: server returned response for 'getnonce' command that"
-                    " has field 'nonce' missing or empty",
-                    ErrorCodes::MONGODB_CANNOT_AUTHENTICATE);
-        }
-        catch (Poco::NotFoundException & e)
-        {
-            throw Exception(
-                "Cannot authenticate in MongoDB: server returned response for 'getnonce' command that has missing required field: "
-                    + e.displayText(),
-                ErrorCodes::MONGODB_CANNOT_AUTHENTICATE);
-        }
-    }
-
-    /// Second step: use nonce to calculate digest and send it back to the server.
-    /// Digest is hex_md5(n.nonce + username + hex_md5(username + ":mongo:" + password))
-    {
-        std::string first = user + ":mongo:" + password;
-
-        Poco::MD5Engine md5;
-        md5.update(first);
-        std::string digest_first(Poco::DigestEngine::digestToHex(md5.digest()));
-        std::string second = nonce + user + digest_first;
-        md5.reset();
-        md5.update(second);
-        std::string digest_second(Poco::DigestEngine::digestToHex(md5.digest()));
-
-        auto command = db.createCommand();
-        command->setNumberToReturn(1);
-        command->selector()
-            .add<Int32>("authenticate", 1)
-            .add<std::string>("user", user)
-            .add<std::string>("nonce", nonce)
-            .add<std::string>("key", digest_second);
-
-        Poco::MongoDB::ResponseMessage response;
-        connection.sendRequest(*command, response);
-
-        if (response.empty())
-            throw Exception(
-                "Cannot authenticate in MongoDB: server returned empty response for 'authenticate' command",
-                ErrorCodes::MONGODB_CANNOT_AUTHENTICATE);
-
-        auto doc = response.documents()[0];
-        try
-        {
-            double ok = doc->get<double>("ok", 0);
-            if (ok != 1)
-                throw Exception(
-                    "Cannot authenticate in MongoDB: server returned response for 'authenticate' command that"
-                    " has field 'ok' missing or having wrong value",
-                    ErrorCodes::MONGODB_CANNOT_AUTHENTICATE);
-        }
-        catch (Poco::NotFoundException & e)
-        {
-            throw Exception(
-                "Cannot authenticate in MongoDB: server returned response for 'authenticate' command that has missing required field: "
-                    + e.displayText(),
-                ErrorCodes::MONGODB_CANNOT_AUTHENTICATE);
-        }
-    }
-}
-#endif
-
 std::unique_ptr<Poco::MongoDB::Cursor> createCursor(const std::string & database, const std::string & collection, const Block & sample_block_to_select)
 {
     auto cursor = std::make_unique<Poco::MongoDB::Cursor>(database, collection);

src/Storages/StorageMongoDB.cpp

@@ -72,16 +72,14 @@ void StorageMongoDB::connectIfNotConnected()
         auto auth_db = database_name;
         if (auth_source != query_params.end())
             auth_db = auth_source->second;
-#if POCO_VERSION >= 0x01070800
+
         if (!username.empty() && !password.empty())
         {
             Poco::MongoDB::Database poco_db(auth_db);
             if (!poco_db.authenticate(*connection, username, password, Poco::MongoDB::Database::AUTH_SCRAM_SHA1))
                 throw Exception("Cannot authenticate in MongoDB, incorrect user or password", ErrorCodes::MONGODB_CANNOT_AUTHENTICATE);
         }
-#else
+
-        authenticate(*connection, database_name, username, password);
-#endif
         authenticated = true;
     }
 }
@@ -213,7 +211,6 @@ StorageMongoDBConfiguration StorageMongoDB::getConfiguration(ASTs engine_args, C
 
         if (engine_args.size() >= 6)
             configuration.options = checkAndGetLiteralArgument<String>(engine_args[5], "database");
-
     }
 
     context->getRemoteHostFilter().checkHostAndPort(configuration.host, toString(configuration.port));