/* * 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> // Dummy sample of Client Application Context typedef struct { int something; void *whateveryouwant; } MyClientApplicationHandle; // This function is call when Client Session Context is removed // Note: when freeCtxCB==NULL standard free/malloc is called static void clientContextFree(void *context) { fprintf (stderr,"Plugin[token] Closing Session\n"); free (context); } // Request Creation of new context if it does not exist static void clientContextCreate (struct afb_req request) { json_object *jresp; // add an application specific client context to session afb_req_context_set(request, malloc (sizeof (MyClientApplicationHandle)), clientContextFree); // Send response to UI jresp = json_object_new_object(); json_object_object_add(jresp, "token", json_object_new_string ("A New Token and Session Context Was Created")); afb_req_success(request, jresp, NULL); } // Before entering here token will be check and renew static void clientContextRefresh (struct afb_req request) { json_object *jresp; jresp = json_object_new_object(); json_object_object_add(jresp, "token", json_object_new_string ("Token was refreshed")); afb_req_success(request, jresp, NULL); } // Session token will we verified before entering here static void clientContextCheck (struct afb_req request) { json_object *jresp = json_object_new_object(); json_object_object_add(jresp, "isvalid", json_object_new_boolean (TRUE)); afb_req_success(request, jresp, NULL); } // Close and Free context static void clientContextReset (struct afb_req request) { json_object *jresp; /* after this call token will be reset * - no further access to API will be possible * - every context from any used plugin will be freed */ jresp = json_object_new_object(); json_object_object_add(jresp, "info", json_object_new_string ("Token and all resources are released")); // WARNING: if you free context resource manually here do not forget to set *request.context=NULL; afb_req_success(request, jresp, NULL); } // Close and Free context static void clientGetPing (struct afb_req request) { static int count=0; json_object *jresp; jresp = json_object_new_object(); json_object_object_add(jresp, "count", json_object_new_int (count ++)); afb_req_success(request, jresp, NULL); } static const struct AFB_restapi pluginApis[]= { {"ping" , AFB_SESSION_NONE , clientGetPing ,"Ping Rest Test Service"}, {"create" , AFB_SESSION_CREATE, clientContextCreate ,"Request Client Context Creation"}, {"refresh" , AFB_SESSION_RENEW , clientContextRefresh,"Refresh Client Context Token"}, {"check" , AFB_SESSION_CHECK , clientContextCheck ,"Check Client Context Token"}, {"reset" , AFB_SESSION_CLOSE , clientContextReset ,"Close Client Context and Free resources"}, {NULL} }; static const struct AFB_plugin plugin_desc = { .type = AFB_PLUGIN_JSON, .info = "Application Framework Binder Service", .prefix = "token", .apis = pluginApis }; const struct AFB_plugin *pluginRegister (const struct AFB_interface *itf) { return &plugin_desc; }