HTTPDictionarySource support HTTPS (#510)

* https support in dictionaries

* Style

cmake/Modules/FindPoco.cmake

@@ -11,7 +11,7 @@
 # Crypto
 # Data
 # Net
-# NetSSL_OpenSSL
+# NetSSL
 # OSP
 #
 # Usage:
@@ -121,10 +121,16 @@ foreach( component ${components} )
 		else ()
 			set (component_in_data "")
 		endif ()
+		if (${component} STREQUAL "NetSSL")
+			set (component_alt "Net")
+		else ()
+			set (component_alt ${component})
+		endif ()
 		find_path(Poco_${component}_INCLUDE_DIR
 			NAMES 
 				Poco/${component}.h 	# e.g. Foundation.h
 				Poco/${component}/${component}.h # e.g. OSP/OSP.h Util/Util.h
+				Poco/${component_alt}/${component}.h # e.g. Net/NetSSL.h
 				Poco/Data/${component_in_data}/${component_in_data}.h # e.g. Data/ODBC/ODBC.h
 			HINTS
 				${Poco_ROOT_DIR}

cmake/find_boost.cmake

@@ -2,14 +2,17 @@ if (NOT USE_INTERNAL_BOOST_LIBRARY)
 	set (Boost_USE_STATIC_LIBS ${USE_STATIC_LIBRARIES})
 	set (BOOST_ROOT "/usr/local")
 	find_package (Boost 1.55 COMPONENTS program_options system filesystem regex thread)
-	if (NOT Boost_FOUND)
-		# Try to find manually.
-		set (BOOST_PATHS "")
-		find_library (Boost_PROGRAM_OPTIONS_LIBRARY boost_program_options PATHS ${BOOST_PATHS})
-		find_library (Boost_SYSTEM_LIBRARY boost_system PATHS ${BOOST_PATHS})
-		find_library (Boost_FILESYSTEM_LIBRARY boost_filesystem PATHS ${BOOST_PATHS})
+	# incomplete, no include search, who use it?
+	#if (NOT Boost_FOUND)
+	#	# Try to find manually.
+	#	set (BOOST_PATHS "")
+	#	find_library (Boost_PROGRAM_OPTIONS_LIBRARY boost_program_options PATHS ${BOOST_PATHS})
+	#	find_library (Boost_SYSTEM_LIBRARY boost_system PATHS ${BOOST_PATHS})
+	#	find_library (Boost_FILESYSTEM_LIBRARY boost_filesystem PATHS ${BOOST_PATHS})
+	#endif ()
+	if (Boost_INCLUDE_DIRS)
+		include_directories (${Boost_INCLUDE_DIRS})
 	endif ()
-	include_directories (${Boost_INCLUDE_DIRS})
 endif ()
 
 if (NOT Boost_SYSTEM_LIBRARY)

cmake/find_gperftools.cmake

 if (ENABLE_LIBTCMALLOC)
 	#contrib/libtcmalloc doesnt build debug version, try find in system
 	if (DEBUG_LIBTCMALLOC OR NOT USE_INTERNAL_GPERFTOOLS_LIBRARY)
-		find_package (Gperftools REQUIRED)
-		include_directories (${GPERFTOOLS_INCLUDE_DIR})
+		find_package (Gperftools)
+		if (GPERFTOOLS_FOUND)
+			include_directories (${GPERFTOOLS_INCLUDE_DIR})
+		endif ()
 	endif ()
 
-	if (NOT (GPERFTOOLS_INCLUDE_DIR AND GPERFTOOLS_TCMALLOC_MINIMAL))
+	if (NOT (GPERFTOOLS_FOUND AND GPERFTOOLS_INCLUDE_DIR AND GPERFTOOLS_TCMALLOC_MINIMAL))
 		set (USE_INTERNAL_GPERFTOOLS_LIBRARY 1)
 		set (GPERFTOOLS_INCLUDE_DIR "${ClickHouse_SOURCE_DIR}/contrib/libtcmalloc/include")
 		set (GPERFTOOLS_TCMALLOC_MINIMAL tcmalloc_minimal_internal)

cmake/find_iconv.cmake

@@ -4,7 +4,7 @@ if (APPLE OR CMAKE_SYSTEM MATCHES "FreeBSD")
 	set (ICONV_PATHS "/usr/local/opt/libiconv/lib")
 	find_library (ICONV_LIBRARY iconv PATHS ${ICONV_PATHS})
 	message (STATUS "Using iconv: ${ICONV_INCLUDE_DIR} : ${ICONV_LIBRARY}")
-	include_directories(${ICONV_INCLUDE_DIR})
+	include_directories (${ICONV_INCLUDE_DIR})
 else ()
 	set (ICONV_LIBRARY "")
 endif ()

cmake/find_jemalloc.cmake

 if (ENABLE_JEMALLOC)
 	find_package(JeMalloc)
-	include_directories (${JEMALLOC_INCLUDE_DIR})
 
 	if (JEMALLOC_INCLUDE_DIR AND JEMALLOC_LIBRARIES)
+		include_directories (${JEMALLOC_INCLUDE_DIR})
 		set (USE_JEMALLOC 1)
 		if (USE_TCMALLOC)
-			message(WARNING "Disabling tcmalloc")
+			message (WARNING "Disabling tcmalloc")
 			set (USE_TCMALLOC 0)
 		endif ()
 	endif ()
-	message(STATUS "Using jemalloc=${USE_JEMALLOC}: ${JEMALLOC_INCLUDE_DIR} : ${JEMALLOC_LIBRARIES}")
+	message (STATUS "Using jemalloc=${USE_JEMALLOC}: ${JEMALLOC_INCLUDE_DIR} : ${JEMALLOC_LIBRARIES}")
 endif ()

cmake/find_poco.cmake

 
 if (NOT USE_INTERNAL_POCO_LIBRARY)
-	find_package (Poco COMPONENTS Net XML Data Crypto DataODBC MongoDB)
-	if (Poco_INCLUDE_DIRS)
-		include_directories (${Poco_INCLUDE_DIRS})
-	endif ()
+	find_package (Poco COMPONENTS Net NetSSL XML Data Crypto DataODBC MongoDB)
 endif ()
 
-if (NOT (Poco_INCLUDE_DIRS AND Poco_Foundation_LIBRARY AND Poco_MongoDB_LIBRARY AND Poco_DataODBC_LIBRARY))
+if (Poco_INCLUDE_DIRS AND Poco_Foundation_LIBRARY AND Poco_MongoDB_LIBRARY AND Poco_DataODBC_LIBRARY AND Poco_NetSSL_LIBRARY)
+	include_directories (${Poco_INCLUDE_DIRS})
+else ()
 	set (USE_INTERNAL_POCO_LIBRARY 1)
 	set (Poco_INCLUDE_DIRS
 		"${ClickHouse_SOURCE_DIR}/contrib/libpoco/Foundation/include/"
 		"${ClickHouse_SOURCE_DIR}/contrib/libpoco/Util/include/"
 		"${ClickHouse_SOURCE_DIR}/contrib/libpoco/Net/include/"
+		"${ClickHouse_SOURCE_DIR}/contrib/libpoco/NetSSL_OpenSSL/include/"
 		"${ClickHouse_SOURCE_DIR}/contrib/libpoco/Data/include/"
 		"${ClickHouse_SOURCE_DIR}/contrib/libpoco/Data/ODBC/include/"
 		"${ClickHouse_SOURCE_DIR}/contrib/libpoco/Crypto/include/"
@@ -23,15 +23,16 @@ if (NOT (Poco_INCLUDE_DIRS AND Poco_Foundation_LIBRARY AND Poco_MongoDB_LIBRARY
 		set (Poco_INCLUDE_DIRS ${Poco_INCLUDE_DIRS} "${ClickHouse_SOURCE_DIR}/contrib/libzlib-ng/" "${ClickHouse_BINARY_DIR}/contrib/libzlib-ng/")
 	endif ()
 
-	set (Poco_Net_LIBRARY PocoNet)
+	set (Poco_Foundation_LIBRARY PocoFoundation)
 	set (Poco_Util_LIBRARY PocoUtil)
+	set (Poco_Net_LIBRARY PocoNet)
+	set (Poco_NetSSL_LIBRARY PocoNetSSL)
 	set (Poco_XML_LIBRARY PocoXML)
 	set (Poco_Data_LIBRARY PocoData)
 	set (Poco_Crypto_LIBRARY PocoCrypto)
 	set (Poco_DataODBC_LIBRARY PocoDataODBC)
 	set (Poco_MongoDB_LIBRARY PocoMongoDB)
-	set (Poco_Foundation_LIBRARY PocoFoundation)
 	include_directories (BEFORE ${Poco_INCLUDE_DIRS})
 endif ()
 
-message(STATUS "Using Poco: ${Poco_INCLUDE_DIRS} : ${Poco_Net_LIBRARY},${Poco_Util_LIBRARY},${Poco_XML_LIBRARY},${Poco_Data_LIBRARY},${Poco_DataODBC_LIBRARY},${Poco_MongoDB_LIBRARY},${Poco_Foundation_LIBRARY}")
+message(STATUS "Using Poco: ${Poco_INCLUDE_DIRS} : ${Poco_Foundation_LIBRARY},${Poco_Util_LIBRARY},${Poco_Net_LIBRARY},${Poco_NetSSL_LIBRARY},${Poco_XML_LIBRARY},${Poco_Data_LIBRARY},${Poco_DataODBC_LIBRARY},${Poco_MongoDB_LIBRARY}")

dbms/CMakeLists.txt

@@ -150,6 +150,7 @@ target_link_libraries(dbms
 	${Poco_DataODBC_LIBRARY}
 	${Poco_MongoDB_LIBRARY}
 	${Poco_Foundation_LIBRARY}
+	${Poco_NetSSL_LIBRARY}
 	${ICONV_LIBRARY}
 	${PLATFORM_LIBS}
 	${CMAKE_DL_LIBS}

dbms/include/DB/IO/HTTPCommon.h

 #pragma once
 
+#include <mutex>
 
 namespace Poco
 {
@@ -15,4 +16,7 @@ namespace DB
 
 void setResponseDefaultHeaders(Poco::Net::HTTPServerResponse & response);
 
+extern std::once_flag client_ssl_init_once;
+void clientSSLInit();
+
 }

dbms/include/DB/IO/ReadWriteBufferFromHTTP.h

@@ -27,7 +27,8 @@ private:
 	std::string method;
 	HTTPTimeouts timeouts;
 
-	Poco::Net::HTTPClientSession session;
+	bool is_ssl;
+	std::unique_ptr<Poco::Net::HTTPClientSession> session;
 	std::istream * istr;	/// owned by session
 	std::unique_ptr<ReadBuffer> impl;
 

dbms/src/Dictionaries/DictionarySourceFactory.cpp

@@ -12,7 +12,9 @@
 #include <DB/DataTypes/DataTypesNumberFixed.h>
 #include <DB/DataTypes/DataTypeDate.h>
 #include <DB/Core/FieldVisitors.h>
+#include <DB/IO/HTTPCommon.h>
 #include <memory>
+#include <mutex>
 #include <Poco/Data/ODBC/Connector.h>
 
 
@@ -129,11 +131,15 @@ DictionarySourcePtr DictionarySourceFactory::create(
 	}
 	else if ("http" == source_type)
 	{
+
 		if (dict_struct.has_expressions)
 			throw Exception{
 				"Dictionary source of type `http` does not support attribute expressions",
 				ErrorCodes::LOGICAL_ERROR};
 
+		// Used for https queries
+		std::call_once(client_ssl_init_once, clientSSLInit);
+
 		return std::make_unique<HTTPDictionarySource>(dict_struct, config, config_prefix + ".http", sample_block, context);
 	}
 

dbms/src/IO/HTTPCommon.cpp

 #include <DB/IO/HTTPCommon.h>
 
-#include <Poco/Util/Application.h>
+#include <Poco/Net/AcceptCertificateHandler.h>
+#include <Poco/Net/Context.h>
 #include <Poco/Net/HTTPServerResponse.h>
+#include <Poco/Net/InvalidCertificateHandler.h>
+#include <Poco/Net/PrivateKeyPassphraseHandler.h>
+#include <Poco/Net/RejectCertificateHandler.h>
+#include <Poco/Net/SSLManager.h>
+#include <Poco/Util/Application.h>
+#include <Poco/Util/Application.h>
+#include <Poco/Version.h>
 
 
 namespace DB
@@ -17,4 +25,29 @@ void setResponseDefaultHeaders(Poco::Net::HTTPServerResponse & response)
 		response.set("Keep-Alive", "timeout=" + std::to_string(keep_alive_timeout.totalSeconds()));
 }
 
+std::once_flag client_ssl_init_once;
+
+void clientSSLInit()
+{
+	// http://stackoverflow.com/questions/18315472/https-request-in-c-using-poco
+	Poco::Net::initializeSSL();
+	bool insecure = Poco::Util::Application::instance().config().getInt("https_client_insecure", false);
+	Poco::SharedPtr<Poco::Net::InvalidCertificateHandler> ptr_handler(insecure
+			? dynamic_cast<Poco::Net::InvalidCertificateHandler *>(new Poco::Net::AcceptCertificateHandler(true))
+			: dynamic_cast<Poco::Net::InvalidCertificateHandler *>(new Poco::Net::RejectCertificateHandler(true)));
+	Poco::Net::Context::Ptr ptr_context(new Poco::Net::Context(Poco::Net::Context::CLIENT_USE,
+		"",
+		"",
+		"",
+		insecure ? Poco::Net::Context::VERIFY_NONE : Poco::Net::Context::VERIFY_RELAXED,
+		9,
+		true));
+	ptr_context->enableSessionCache(true);
+#if POCO_VERSION >= 0x01070000
+	ptr_context->disableProtocols(Poco::Net::Context::PROTO_SSLV2 | Poco::Net::Context::PROTO_SSLV3);
+	ptr_context->preferServerCiphers();
+#endif
+	Poco::Net::SSLManager::instance().initializeClient(nullptr, ptr_handler, ptr_context);
+}
+
 }

dbms/src/IO/ReadWriteBufferFromHTTP.cpp

@@ -5,14 +5,11 @@
 #include <Poco/Net/DNS.h>
 #include <Poco/Net/HTTPRequest.h>
 #include <Poco/Net/HTTPResponse.h>
-
+#include <Poco/Net/HTTPSClientSession.h>
 #include <DB/IO/ReadBufferFromIStream.h>
-
 #include <DB/Common/SimpleCache.h>
-
 #include <common/logger_useful.h>
 
-
 namespace DB
 {
 
@@ -45,15 +42,17 @@ ReadWriteBufferFromHTTP::ReadWriteBufferFromHTTP(
 	ReadBuffer(nullptr, 0),
 	uri{uri},
 	method{!method.empty() ? method : out_stream_callback ? Poco::Net::HTTPRequest::HTTP_POST : Poco::Net::HTTPRequest::HTTP_GET},
-	timeouts{timeouts}
+	timeouts{timeouts},
+	is_ssl{uri.getScheme() == "https"},
+	session{ std::unique_ptr<Poco::Net::HTTPClientSession>(is_ssl ? new Poco::Net::HTTPSClientSession : new Poco::Net::HTTPClientSession) }
 {
-	session.setHost(resolveHost(uri.getHost()).toString());	/// Cache DNS forever (until server restart)
-	session.setPort(uri.getPort());
+	session->setHost(resolveHost(uri.getHost()).toString());	/// Cache DNS forever (until server restart)
+	session->setPort(uri.getPort());
 
 #if POCO_CLICKHOUSE_PATCH || POCO_VERSION >= 0x02000000
-	session.setTimeout(timeouts.connection_timeout, timeouts.send_timeout, timeouts.receive_timeout);
+	session->setTimeout(timeouts.connection_timeout, timeouts.send_timeout, timeouts.receive_timeout);
 #else
-	session.setTimeout(timeouts.connection_timeout);
+	session->setTimeout(timeouts.connection_timeout);
 #endif
 
 	Poco::Net::HTTPRequest request(method, uri.getPathAndQuery(), Poco::Net::HTTPRequest::HTTP_1_1);
@@ -64,12 +63,12 @@ ReadWriteBufferFromHTTP::ReadWriteBufferFromHTTP(
 
 	LOG_TRACE((&Logger::get("ReadWriteBufferFromHTTP")), "Sending request to " << uri.toString());
 
-	auto & stream_out = session.sendRequest(request);
+	auto & stream_out = session->sendRequest(request);
 
 	if (out_stream_callback)
 		out_stream_callback(stream_out);
 
-	istr = &session.receiveResponse(response);
+	istr = &session->receiveResponse(response);
 
 	auto status = response.getStatus();
 

dbms/tests/external_dictionaries/config.xml

@@ -12,6 +12,7 @@
 	<listen_host>localhost</listen_host>
 	<max_concurrent_queries>500</max_concurrent_queries>
 	<mark_cache_size>5368709120</mark_cache_size>
+	<https_client_insecure>1</https_client_insecure>
 	<path>./clickhouse/</path>
 	<users_config>users.xml</users_config>
 

dbms/tests/external_dictionaries/generate_and_test.py

@@ -43,7 +43,7 @@ dictionaries = []
 def generate_structure(args):
     global dictionaries
       # [ name, key_type, has_parent ]
-    dictionaries.extend( [
+    dictionaries.extend([
         # Simple key dictionaries
         [ 'file_flat', 0, True ],
         [ 'clickhouse_flat', 0, True ],
@@ -80,8 +80,15 @@ def generate_structure(args):
         [ 'http_complex_mixed_key_hashed', 2, False ],
     ])
 
+    if args.use_https:
+        dictionaries.extend([
+            [ 'https_flat', 0, True ],
+            [ 'https_hashed', 0, True ],
+            [ 'https_cache', 0, True ],
+        ])
+
     if not args.no_mysql:
-        dictionaries.extend( [
+        dictionaries.extend([
             [ 'mysql_flat', 0, True ],
             [ 'mysql_hashed', 0, True ],
             [ 'mysql_cache', 0, True ],
@@ -92,7 +99,7 @@ def generate_structure(args):
         ])
 
     if not args.no_mongo:
-        dictionaries.extend( [
+        dictionaries.extend([
             [ 'mongodb_flat', 0, True ],
             [ 'mongodb_hashed', 0, True ],
             [ 'mongodb_cache', 0, True ],
@@ -103,7 +110,7 @@ def generate_structure(args):
         ])
 
     if args.use_mongo_user:
-        dictionaries.extend( [
+        dictionaries.extend([
             [ 'mongodb_user_flat', 0, True ],
         ])
 
@@ -340,6 +347,13 @@ def generate_dictionaries(args):
     </http>
     '''.format(http_host=args.http_host, http_port=args.http_port, http_path=args.http_path)
 
+    source_https = '''
+    <http>
+        <url>https://{https_host}:{https_port}{https_path}%s</url>
+        <format>TabSeparated</format>
+    </http>
+    '''.format(https_host=args.https_host, https_port=args.https_port, https_path=args.https_path)
+
     layout_flat = '<flat />'
     layout_hashed = '<hashed />'
     layout_cache = '<cache><size_in_cells>128</size_in_cells></cache>'
@@ -426,8 +440,15 @@ def generate_dictionaries(args):
         [ source_http % (files[2]), layout_complex_key_cache ],
     ]
 
+    if args.use_https:
+        sources_and_layouts.extend([
+        [ source_https % (files[0]), layout_flat ],
+        [ source_https % (files[0]), layout_hashed ],
+        [ source_https % (files[0]), layout_cache ],
+    ])
+
     if not args.no_mysql:
-        sources_and_layouts.extend( [
+        sources_and_layouts.extend([
         [ source_mysql, layout_flat ],
         [ source_mysql, layout_hashed ],
         [ source_mysql, layout_cache ],
@@ -438,7 +459,7 @@ def generate_dictionaries(args):
     ])
 
     if not args.no_mongo:
-        sources_and_layouts.extend( [
+        sources_and_layouts.extend([
         [ source_mongodb, layout_flat ],
         [ source_mongodb, layout_hashed ],
         [ source_mongodb, layout_cache ],
@@ -463,11 +484,17 @@ def generate_dictionaries(args):
 
 def run_tests(args):
     if args.use_http:
-        http_server = subprocess.Popen(["python", "http_server.py", str(args.http_port)]);
+        http_server = subprocess.Popen(["python", "http_server.py", "--port", str(args.http_port), "--host", args.http_host]);
         @atexit.register
         def http_killer():
            http_server.kill()
 
+    if args.use_https:
+        https_server = subprocess.Popen(["python", "http_server.py", "--port", str(args.https_port), "--host", args.https_host, '--https']);
+        @atexit.register
+        def https_killer():
+           https_server.kill()
+
     keys = [ 'toUInt64(n)', '(n, n)', '(toString(n), n)' ]
     dict_get_query_skeleton = "select dictGet{type}('{name}', '{type}_', {key}) from system.one array join range(8) as n;"
     dict_has_query_skeleton = "select dictHas('{name}', {key}) from system.one array join range(8) as n;"
@@ -641,6 +668,10 @@ if __name__ == '__main__':
     parser.add_argument('--http_port', default = 58000, help = 'http server port')
     parser.add_argument('--http_host', default = 'localhost', help = 'http server host')
     parser.add_argument('--http_path', default = '/generated/', help = 'http server path')
+    parser.add_argument('--use_https', default = True, help = 'Use https dictionaries')
+    parser.add_argument('--https_port', default = 58443, help = 'https server port')
+    parser.add_argument('--https_host', default = 'localhost', help = 'https server host')
+    parser.add_argument('--https_path', default = '/generated/', help = 'https server path')
     parser.add_argument('--no_break', action='store_true', help = 'Dont stop on errors')
 
     args = parser.parse_args()

dbms/tests/external_dictionaries/http_server.py

@@ -4,10 +4,17 @@ import socket
 import sys
 import BaseHTTPServer
 import SocketServer
+import ssl
+import argparse
 
-PORT_NUMBER = 80
-if len(sys.argv) > 1 and int(sys.argv[1]):
-    PORT_NUMBER = int(sys.argv[1])
+parser = argparse.ArgumentParser(description = 'Simple http/https server')
+parser.add_argument('--https', action='store_true', help = 'Use https')
+parser.add_argument('--port', type = int, default = 80, help = 'server port')
+parser.add_argument('--host', default = "localhost", help = 'server host')
+args = parser.parse_args()
+
+if args.https and args.port == 80:
+    args.port = 443
 
 class myHTTPServer(SocketServer.ForkingMixIn, BaseHTTPServer.HTTPServer):
     address_family = socket.AF_INET6
@@ -35,8 +42,12 @@ class myHandler(BaseHTTPServer.BaseHTTPRequestHandler):
         return
 
 try:
-    server = myHTTPServer(('', PORT_NUMBER), myHandler)
-    print 'Started httpserver on port' , PORT_NUMBER
+    server = myHTTPServer(('', args.port), myHandler)
+    if args.https:
+        os.system('openssl req -subj "/CN={host}/O=My Company Name LTD./C=US" -new -newkey rsa:2048 -days 365 -nodes -x509 -keyout server.key -out server.crt'.format(host=args.host))
+        server.socket = ssl.wrap_socket(server.socket, keyfile="server.key", certfile='server.crt', server_side=True)
+
+    print 'Started http' + ( 's' if args.https else '' ) + ' server on port' , args.port
     server.serve_forever()
 
 except KeyboardInterrupt: