--- /dev/null
+/*
+ * Copyright (C) 2015, 2016 "IoT.bzh"
+ * Author "Fulup Ar Foll"
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define _GNU_SOURCE
+#include <stdio.h>
+#include <json-c/json.h>
+
+#include <afb/afb-plugin.h>
+
+typedef struct {
+ /*
+ * client context is attached a session but private to a each plugin.
+ * Context is passed to each API under request->context
+ *
+ * Note:
+ * -client context is free when a session is closed. Developer should not
+ * forget that even if context is private to each plugin, session is unique
+ * to a client. When session close, every plugin are notified to free there
+ * private context.
+ * -by default standard "free" function from libc is used to free context.
+ * Developer may define it own under plugin->freeCB. This call received
+ * FreeCtxCb(void *ClientCtx, void*PluginHandle, char*SessionUUID) if
+ * FreeCtxCb=(void*)-1 then context wont be free by session manager.
+ * -when an API use AFB_SESSION_RESET this close the session and each plugin
+ * will be notified to free ressources.
+ */
+
+ int count;
+ char *abcd;
+
+} MyClientContextT;
+
+// This function is call at session open time. Any client trying to
+// call it with an already open session will be denied.
+// Ex: http://localhost:1234/api/context/create?token=123456789
+static void myCreate (struct afb_req request)
+{
+ MyClientContextT *ctx = malloc (sizeof (MyClientContextT));
+
+ // store something in our plugin private client context
+ ctx->count = 0;
+ ctx->abcd = "SomeThingUseful";
+
+ afb_req_context_set(request, ctx, free);
+ afb_req_success_f(request, NULL, "SUCCESS: create client context for plugin [%s]", ctx->abcd);
+}
+
+// This function can only be called with a valid token. Token should be renew before
+// session timeout a standard renew api is avaliable at /api/token/renew this API
+// can be called automatically with <token-renew> HTML5 widget.
+// ex: http://localhost:1234/api/context/action?token=xxxxxx-xxxxxx-xxxxx-xxxxx-xxxxxx
+static void myAction (struct afb_req request)
+{
+ MyClientContextT *ctx = (MyClientContextT*) afb_req_context_get(request);
+
+ // store something in our plugin private client context
+ ctx->count++;
+ afb_req_success_f(request, NULL, "SUCCESS: plugin [%s] Check=[%d]\n", ctx->abcd, ctx->count);
+}
+
+// After execution of this function, client session will be close and if they
+// created a context [request->context != NULL] every plugins will be notified
+// that they should free context resources.
+// ex: http://localhost:1234/api/context/close?token=xxxxxx-xxxxxx-xxxxx-xxxxx-xxxxxx
+static void myClose (struct afb_req request)
+{
+ MyClientContextT *ctx = (MyClientContextT*) afb_req_context_get(request);
+
+ // store something in our plugin private client context
+ ctx->count++;
+ afb_req_success_f(request, NULL, "SUCCESS: plugin [%s] Close=[%d]\n", ctx->abcd, ctx->count);
+}
+
+// Set the LOA
+static void setLOA(struct afb_req request, unsigned loa)
+{
+ if (afb_req_session_set_LOA(request, loa))
+ afb_req_success_f(request, NULL, "loa set to %u", loa);
+ else
+ afb_req_fail_f(request, "failed", "can't set loa to %u", loa);
+}
+
+static void clientSetLOA0(struct afb_req request)
+{
+ setLOA(request, 0);
+}
+
+static void clientSetLOA1(struct afb_req request)
+{
+ setLOA(request, 1);
+}
+
+static void clientSetLOA2(struct afb_req request)
+{
+ setLOA(request, 2);
+}
+
+static void clientSetLOA3(struct afb_req request)
+{
+ setLOA(request, 3);
+}
+
+static void clientCheckLOA(struct afb_req request)
+{
+ afb_req_success(request, NULL, "LOA checked and okay");
+}
+
+// NOTE: this sample does not use session to keep test a basic as possible
+// in real application most APIs should be protected with AFB_SESSION_CHECK
+static const struct AFB_verb_desc_v1 verbs[]= {
+ {"create", AFB_SESSION_CREATE, myCreate , "Create a new session"},
+ {"action", AFB_SESSION_CHECK , myAction , "Use Session Context"},
+ {"close" , AFB_SESSION_CLOSE , myClose , "Free Context"},
+ {"set_loa_0", AFB_SESSION_RENEW, clientSetLOA0 ,"Set level of assurance to 0"},
+ {"set_loa_1", AFB_SESSION_RENEW, clientSetLOA1 ,"Set level of assurance to 1"},
+ {"set_loa_2", AFB_SESSION_RENEW, clientSetLOA2 ,"Set level of assurance to 2"},
+ {"set_loa_3", AFB_SESSION_RENEW, clientSetLOA3 ,"Set level of assurance to 3"},
+ {"check_loa_ge_0", AFB_SESSION_LOA_GE_0, clientCheckLOA ,"Check whether level of assurance is greater or equal to 0"},
+ {"check_loa_ge_1", AFB_SESSION_LOA_GE_1, clientCheckLOA ,"Check whether level of assurance is greater or equal to 1"},
+ {"check_loa_ge_2", AFB_SESSION_LOA_GE_2, clientCheckLOA ,"Check whether level of assurance is greater or equal to 2"},
+ {"check_loa_ge_3", AFB_SESSION_LOA_GE_3, clientCheckLOA ,"Check whether level of assurance is greater or equal to 3"},
+ {"check_loa_le_0", AFB_SESSION_LOA_LE_0, clientCheckLOA ,"Check whether level of assurance is lesser or equal to 0"},
+ {"check_loa_le_1", AFB_SESSION_LOA_LE_1, clientCheckLOA ,"Check whether level of assurance is lesser or equal to 1"},
+ {"check_loa_le_2", AFB_SESSION_LOA_LE_2, clientCheckLOA ,"Check whether level of assurance is lesser or equal to 2"},
+ {"check_loa_le_3", AFB_SESSION_LOA_LE_3, clientCheckLOA ,"Check whether level of assurance is lesser or equal to 3"},
+ {"check_loa_eq_0", AFB_SESSION_LOA_EQ_0, clientCheckLOA ,"Check whether level of assurance is equal to 0"},
+ {"check_loa_eq_1", AFB_SESSION_LOA_EQ_1, clientCheckLOA ,"Check whether level of assurance is equal to 1"},
+ {"check_loa_eq_2", AFB_SESSION_LOA_EQ_2, clientCheckLOA ,"Check whether level of assurance is equal to 2"},
+ {"check_loa_eq_3", AFB_SESSION_LOA_EQ_3, clientCheckLOA ,"Check whether level of assurance is equal to 3"},
+ {NULL}
+};
+
+static const struct AFB_plugin plugin_desc = {
+ .type = AFB_PLUGIN_VERSION_1,
+ .v1 = {
+ .info = "Sample of Client Context Usage",
+ .prefix = "context",
+ .verbs = verbs,
+ }
+};
+
+const struct AFB_plugin *pluginAfbV1Register (const struct AFB_interface *itf)
+{
+ return &plugin_desc;
+}
+
Code Review / src / app-framework-binder.git / blobdiff