added implementation of wf_client_authenticate

lib/webfuse/adapter/impl/client.c

@@ -114,7 +114,7 @@ void
 wf_impl_client_authenticate(
     struct wf_client * client)
 {
-    wf_impl_client_protocol_callback(&client->protocol, WF_CLIENT_AUTHENTICATION_FAILED, NULL);
+    wf_impl_client_protocol_authenticate(&client->protocol);
 }
 
 void

lib/webfuse/adapter/impl/client_protocol.c

@@ -1,12 +1,73 @@
 #include "webfuse/adapter/impl/client_protocol.h"
 #include "webfuse/adapter/client_callback.h"
+#include "webfuse/adapter/impl/credentials.h"
 #include "webfuse/core/protocol_names.h"
 #include "webfuse/core/url.h"
 #include "webfuse/core/util.h"
+#include "webfuse/core/timer/manager.h"
+#include "webfuse/core/jsonrpc/response.h"
+#include "webfuse/core/jsonrpc/proxy.h"
+
+#include "webfuse/core/message.h"
+#include "webfuse/core/message_queue.h"
+#include "webfuse/core/container_of.h"
+
 
 #include <stddef.h>
 #include <libwebsockets.h>
 
+#define WF_DEFAULT_TIMEOUT (10 * 1000)
+
+static void
+wf_impl_client_protocol_process(
+     struct wf_client_protocol * protocol, 
+     char const * data,
+     size_t length)
+{
+    json_t * message = json_loadb(data, length, 0, NULL);
+    if (NULL != message)
+    {
+        if (wf_jsonrpc_is_response(message))
+        {
+            wf_jsonrpc_proxy_onresult(protocol->proxy, message);
+        }
+
+        json_decref(message);
+    }
+}
+
+static bool
+wf_impl_client_protocol_send(
+    json_t * request,
+    void * user_data)
+{
+    bool result = false;
+    struct wf_client_protocol * protocol = user_data;
+
+    struct wf_message * message = wf_message_create(request);
+    if (NULL != message)
+    {
+        wf_slist_append(&protocol->messages, &message->item);
+        lws_callback_on_writable(protocol->wsi);
+        result = true;
+    }
+
+    return result;
+}
+
+
+static void
+wf_impl_client_protocol_on_authenticate_finished(
+	void * user_data,
+	json_t const * result,
+	json_t const * WF_UNUSED_PARAM(error))    
+{
+    struct wf_client_protocol * protocol = user_data;
+    int const reason = (NULL != result) ? WF_CLIENT_AUTHENTICATED : WF_CLIENT_AUTHENTICATION_FAILED;
+
+    protocol->callback(protocol->user_data, reason, NULL);
+}
+
 static int wf_impl_client_protocol_lws_callback(
 	struct lws * wsi,
 	enum lws_callback_reasons reason,
@@ -20,6 +81,8 @@ static int wf_impl_client_protocol_lws_callback(
 
     if (NULL != protocol)
     {
+        wf_timer_manager_check(protocol->timer_manager);
+
         switch (reason)
         {
             case LWS_CALLBACK_CLIENT_ESTABLISHED:
@@ -35,6 +98,8 @@ static int wf_impl_client_protocol_lws_callback(
                 protocol->callback(protocol->user_data, WF_CLIENT_DISCONNECTED, NULL);
                 protocol->wsi = NULL;
                 break;
+            case LWS_CALLBACK_CLIENT_RECEIVE:
+                wf_impl_client_protocol_process(protocol, in, len);
             case LWS_CALLBACK_SERVER_WRITEABLE:
                 // fall-through
             case LWS_CALLBACK_CLIENT_WRITEABLE:
@@ -44,6 +109,18 @@ static int wf_impl_client_protocol_lws_callback(
                     {
                         result = 1;
                     }
+                else if (!wf_slist_empty(&protocol->messages))
+                {
+                    struct wf_slist_item * item = wf_slist_remove_first(&protocol->messages);
+                    struct wf_message * message = wf_container_of(item, struct wf_message, item);
+                    lws_write(wsi, (unsigned char*) message->data, message->length, LWS_WRITE_TEXT);
+                    wf_message_dispose(message);
+
+                    if (!wf_slist_empty(&protocol->messages))
+                    {
+                        lws_callback_on_writable(wsi);
+                    }
+                }
                 }
             default:
                 break;
@@ -65,6 +142,11 @@ wf_impl_client_protocol_init(
     protocol->callback = callback;
     protocol->user_data = user_data;
     protocol->callback(protocol->user_data, WF_CLIENT_INIT, NULL);
+
+    wf_slist_init(&protocol->messages);
+    protocol->timer_manager = wf_timer_manager_create();
+    protocol->proxy = wf_jsonrpc_proxy_create(protocol->timer_manager, WF_DEFAULT_TIMEOUT, &wf_impl_client_protocol_send, protocol);
+
 }
 
 void
@@ -72,6 +154,9 @@ wf_impl_client_protocol_cleanup(
     struct wf_client_protocol * protocol)
 {
     protocol->callback(protocol->user_data, WF_CLIENT_CLEANUP, NULL);
+    wf_jsonrpc_proxy_dispose(protocol->proxy);
+    wf_timer_manager_dispose(protocol->timer_manager);
+    wf_message_queue_cleanup(&protocol->messages);
 }
 
 void
@@ -141,3 +226,23 @@ wf_impl_client_protocol_disconnect(
     }
     
 }
+
+void
+wf_impl_client_protocol_authenticate(
+    struct wf_client_protocol * protocol)
+{
+    struct wf_credentials creds;
+    wf_impl_credentials_init_default(&creds);
+    protocol->callback(protocol->user_data, WF_CLIENT_AUTHENTICATE_GET_CREDENTIALS, &creds);
+
+    json_incref(creds.data);
+    wf_jsonrpc_proxy_invoke(
+        protocol->proxy,
+        &wf_impl_client_protocol_on_authenticate_finished,
+        protocol,
+        "authenticate",
+        "sj",
+        creds.type, creds.data);
+
+    wf_impl_credentials_cleanup(&creds);
+}

lib/webfuse/adapter/impl/client_protocol.h

@@ -2,6 +2,7 @@
 #define WF_ADAPTER_IMPL_CLIENT_PROTOCOL_H
 
 #include "webfuse/adapter/client_callback.h"
+#include "webfuse/core/slist.h"
 
 #ifndef __cplusplus
 #include <stdbool.h>
@@ -15,6 +16,9 @@ extern "C"
 struct lws_protocols;
 struct lws_context;
 
+struct wf_jsonrpc_proxy;
+struct wf_timer_manager;
+
 typedef void
 wf_client_protocol_callback_fn(
     void * user_data,
@@ -28,6 +32,9 @@ struct wf_client_protocol
     struct lws * wsi;
     wf_client_callback_fn * callback;
     void * user_data;
+    struct wf_timer_manager * timer_manager;
+    struct wf_jsonrpc_proxy * proxy;
+    struct wf_slist messages;
 };
 
 extern void
@@ -61,6 +68,10 @@ extern void
 wf_impl_client_protocol_disconnect(
     struct wf_client_protocol * protocol);
 
+extern void
+wf_impl_client_protocol_authenticate(
+    struct wf_client_protocol * protocol);
+
 #ifdef __cplusplus
 }
 #endif

test/webfuse/tests/adapter/test_client.cc

@@ -3,6 +3,7 @@
 
 #include "webfuse/adapter/client.h"
 #include "webfuse/adapter/credentials.h"
+#include "webfuse/adapter/credentials.h"
 #include "webfuse/core/protocol_names.h"
 #include "webfuse/utils/ws_server.h"
 #include "webfuse/mocks/mock_adapter_client_callback.hpp"
@@ -12,12 +13,21 @@ using webfuse_test::WsServer;
 using webfuse_test::MockAdapterClientCallback;
 using webfuse_test::TimeoutWatcher;
 using testing::_;
+using testing::Invoke;
 
 #define TIMEOUT (std::chrono::milliseconds(10 * 1000))
 
 namespace
 {
 
+void GetCredentials(wf_client *, int, void * arg)
+{
+    auto * creds = reinterpret_cast<wf_credentials*>(arg);
+    wf_credentials_set_type(creds, "username");
+    wf_credentials_add(creds, "username", "Bob");
+    wf_credentials_add(creds, "password", "secret");
+}
+
 enum class connection_state
 {
     disconnected,
@@ -143,3 +153,84 @@ TEST(AdapterClient, Connect)
 
     wf_client_dispose(client);
 }
+
+TEST(AdapterClient, Authenticate)
+{
+    TimeoutWatcher watcher(TIMEOUT);
+
+    WsServer server(WF_PROTOCOL_NAME_PROVIDER_SERVER);
+    MockAdapterClientCallback callback;
+
+    EXPECT_CALL(callback, Invoke(_, WF_CLIENT_INIT, nullptr)).Times(1);
+    EXPECT_CALL(callback, Invoke(_, WF_CLIENT_CREATED, nullptr)).Times(1);
+    EXPECT_CALL(callback, Invoke(_, WF_CLIENT_GET_TLS_CONFIG, _)).Times(1);
+    EXPECT_CALL(callback, Invoke(_, WF_CLIENT_CLEANUP, nullptr)).Times(1);
+
+    EXPECT_CALL(callback, Invoke(_, WF_CLIENT_CONNECTED, nullptr)).Times(1);
+    EXPECT_CALL(callback, Invoke(_, WF_CLIENT_DISCONNECTED, nullptr)).Times(1);
+
+    EXPECT_CALL(callback, Invoke(_, WF_CLIENT_AUTHENTICATE_GET_CREDENTIALS, _)).Times(1)
+        .WillOnce(Invoke(GetCredentials));
+    bool called = false;
+    bool * p_called = &called;
+    EXPECT_CALL(callback, Invoke(_, WF_CLIENT_AUTHENTICATED, nullptr)).Times(1)
+        .WillOnce(Invoke([p_called] (wf_client *, int, void *) {
+            *p_called = true;
+        }));
+
+    wf_client * client = wf_client_create(
+        callback.GetCallbackFn(), callback.GetUserData());
+
+    wf_client_connect(client, server.GetUrl().c_str());
+    while (!server.IsConnected())
+    {
+        watcher.check();
+        wf_client_service(client);
+    }
+
+    wf_client_authenticate(client);
+    json_t * request = server.ReceiveMessage();
+    while (nullptr == request)
+    {
+        watcher.check();
+        wf_client_service(client);
+        request = server.ReceiveMessage();
+    }
+    json_t * id = json_object_get(request, "id");
+    ASSERT_TRUE(json_is_integer(id));
+    json_t * method = json_object_get(request, "method");
+    ASSERT_TRUE(json_is_string(method));
+    ASSERT_STREQ("authenticate", json_string_value(method));
+    json_t * params = json_object_get(request, "params");
+    ASSERT_TRUE(json_is_array(params));
+    ASSERT_EQ(2, json_array_size(params));
+    json_t * type = json_array_get(params, 0);
+    ASSERT_TRUE(json_is_string(type));
+    json_t * creds = json_array_get(params, 1);
+    ASSERT_TRUE(json_is_object(creds));
+    json_t * username = json_object_get(creds, "username");
+    ASSERT_TRUE(json_is_string(username));
+    ASSERT_STREQ("Bob", json_string_value(username));
+    json_t * password = json_object_get(creds, "password");
+    ASSERT_TRUE(json_is_string(password));
+    ASSERT_STREQ("secret", json_string_value(password));
+
+    json_t * response = json_object();
+    json_object_set(response, "id", id);
+    json_object_set_new(response, "result", json_object());
+    server.SendMessage(response);
+    json_decref(request);
+    while (!called) {
+        watcher.check();
+        wf_client_service(client);
+    }
+
+    wf_client_disconnect(client);
+    while (server.IsConnected())
+    {
+        watcher.check();
+        wf_client_service(client);
+    }
+
+    wf_client_dispose(client);
+}