Remove grpc dependency leak through iam headers (#338)

Author: Gazizonoki

CMakeLists.txt

@@ -51,6 +51,7 @@ endif()
 add_subdirectory(tools)
 add_subdirectory(contrib/libs)
 add_subdirectory(library/cpp)
+add_subdirectory(include/ydb-cpp-sdk/client)
 add_subdirectory(src)
 add_subdirectory(util)
 

include/ydb-cpp-sdk/client/CMakeLists.txt

@@ -0,0 +1 @@
+add_subdirectory(iam/common)

include/ydb-cpp-sdk/client/iam/common/CMakeLists.txt

@@ -0,0 +1,10 @@
+_ydb_sdk_add_library(client-iam-types INTERFACE)
+
+target_link_libraries(client-iam-types
+  INTERFACE
+    client-ydb_types-credentials
+    library-jwt
+    yutil
+)
+
+_ydb_sdk_install_targets(client-iam-types)

include/ydb-cpp-sdk/client/iam/common/types.h

@@ -0,0 +1,53 @@
+#pragma once
+
+#include <ydb-cpp-sdk/client/types/credentials/credentials.h>
+#include <ydb-cpp-sdk/library/jwt/jwt.h>
+
+#include <util/datetime/base.h>
+
+#include <fstream>
+#include <string>
+
+namespace NYdb {
+
+namespace NIam {
+
+constexpr std::string_view DEFAULT_ENDPOINT = "iam.api.cloud.yandex.net";
+constexpr bool DEFAULT_ENABLE_SSL = true;
+
+constexpr std::string_view DEFAULT_HOST = "169.254.169.254";
+constexpr uint32_t DEFAULT_PORT = 80;
+
+constexpr TDuration DEFAULT_REFRESH_PERIOD = TDuration::Hours(1);
+constexpr TDuration DEFAULT_REQUEST_TIMEOUT = TDuration::Seconds(10);
+
+}
+
+struct TIamHost {
+    std::string Host = std::string(NIam::DEFAULT_HOST);
+    uint32_t Port = NIam::DEFAULT_PORT;
+    TDuration RefreshPeriod = NIam::DEFAULT_REFRESH_PERIOD;
+};
+
+struct TIamEndpoint {
+    std::string Endpoint = std::string(NIam::DEFAULT_ENDPOINT);
+    TDuration RefreshPeriod = NIam::DEFAULT_REFRESH_PERIOD;
+    TDuration RequestTimeout = NIam::DEFAULT_REQUEST_TIMEOUT;
+    bool EnableSsl = NIam::DEFAULT_ENABLE_SSL;
+};
+
+struct TIamJwtFilename : TIamEndpoint { std::string JwtFilename; };
+
+struct TIamJwtContent : TIamEndpoint { std::string JwtContent; };
+
+struct TIamJwtParams : TIamEndpoint { TJwtParams JwtParams; };
+
+struct TIamOAuth : TIamEndpoint { std::string OAuthToken; };
+
+
+inline TJwtParams ReadJwtKeyFile(const std::string& filename) {
+    std::ifstream input(filename, std::ios::in);
+    return ParseJwtParams({std::istreambuf_iterator<char>(input), std::istreambuf_iterator<char>()});
+}
+
+}

include/ydb-cpp-sdk/client/iam/iam.h

@@ -1,3 +1,19 @@
 #pragma once
 
-#include "common/iam.h"
+#include "common/types.h"
+
+namespace NYdb {
+
+/// Acquire an IAM token using a local metadata service on a virtual machine.
+TCredentialsProviderFactoryPtr CreateIamCredentialsProviderFactory(const TIamHost& params = {});
+
+/// Acquire an IAM token using a JSON Web Token (JWT) file name.
+TCredentialsProviderFactoryPtr CreateIamJwtFileCredentialsProviderFactory(const TIamJwtFilename& params);
+
+/// Acquire an IAM token using JSON Web Token (JWT) contents.
+TCredentialsProviderFactoryPtr CreateIamJwtParamsCredentialsProviderFactory(const TIamJwtContent& param);
+
+// Acquire an IAM token using a user OAuth token.
+TCredentialsProviderFactoryPtr CreateIamOAuthCredentialsProviderFactory(const TIamOAuth& params);
+
+}

include/ydb-cpp-sdk/client/iam_private/iam.h

@@ -1,6 +1,6 @@
 #pragma once
 
-#include <ydb-cpp-sdk/client/iam/common/iam.h>
+#include <ydb-cpp-sdk/client/iam/common/types.h>
 
 namespace NYdb {
 

src/client/helpers/CMakeLists.txt

@@ -4,7 +4,7 @@ target_link_libraries(client-helpers
   PUBLIC
     yutil
     client-ydb_types-credentials-oauth2
-    client-iam-common
+    client-iam
     client-ydb_types-credentials
 )
 

src/client/helpers/helpers.cpp

@@ -1,6 +1,6 @@
 #include <ydb-cpp-sdk/client/helpers/helpers.h>
 
-#include <ydb-cpp-sdk/client/iam/common/iam.h>
+#include <ydb-cpp-sdk/client/iam/iam.h>
 #include <ydb-cpp-sdk/client/resources/ydb_ca.h>
 #include <ydb-cpp-sdk/client/types/credentials/oauth2_token_exchange/from_file.h>
 

src/client/iam/CMakeLists.txt

@@ -2,14 +2,19 @@ add_subdirectory(common)
 
 _ydb_sdk_add_library(client-iam)
 
-target_link_libraries(client-iam PUBLIC
-  yutil
-  api-client-yc_public
-  client-iam-common
+target_link_libraries(client-iam
+  PUBLIC
+    client-iam-types
+    yutil
+  PRIVATE
+    api-client-yc_public
+    client-iam-common
+    json
+    http-simple
 )
 
-_ydb_sdk_install_targets(TARGETS client-iam)
-
 target_sources(client-iam PRIVATE
   iam.cpp
 )
+
+_ydb_sdk_make_client_component(Iam client-iam)

src/client/iam/common/CMakeLists.txt

@@ -1,17 +1,11 @@
-_ydb_sdk_add_library(client-iam-common)
+_ydb_sdk_add_library(client-iam-common INTERFACE)
 
-target_link_libraries(client-iam-common PUBLIC
-  yutil
-  grpc-client
-  http-simple
-  json
-  library-jwt
-  client-ydb_types-credentials
-  api-client-yc_public
+target_link_libraries(client-iam-common
+  INTERFACE
+    client-iam-types
+    grpc-client
+    threading-future
+    yutil
 )
 
-target_sources(client-iam-common PRIVATE
-  iam.cpp
-)
-
-_ydb_sdk_make_client_component(Iam client-iam-common)
+_ydb_sdk_install_targets(client-iam-common)