X-Git-Url: https://gerrit.automotivelinux.org/gerrit/gitweb?a=blobdiff_plain;ds=inline;f=src%2Frest-api.c;h=3ae9cc0eb3635b280a61ed13a7406915db74d2f9;hb=cf2b7c5be026071b696c62a8b0f260e624c9a357;hp=1635d445415c07c7cf46647b0d3499ff94288be9;hpb=6f22e88cd3e6d502efa7100ad2b129641305fb53;p=src%2Fapp-framework-binder.git diff --git a/src/rest-api.c b/src/rest-api.c index 1635d445..3ae9cc0e 100644 --- a/src/rest-api.c +++ b/src/rest-api.c @@ -22,83 +22,18 @@ #include "../include/local-def.h" +#include +#include #include #include #define AFB_MSG_JTYPE "AJB_reply" -// handle to hold queryAll values -typedef struct { - char *msg; - int idx; - size_t len; -} queryHandleT; static json_object *afbJsonType; -// Sample Generic Ping Debug API -PUBLIC json_object* apiPingTest(AFB_request *request) { - static pingcount = 0; - json_object *response; - char query [256]; - char session[256]; - - int len; - AFB_clientCtx *client=request->client; // get client context from request - - // request all query key/value - len = getQueryAll (request, query, sizeof(query)); - if (len == 0) strncpy (query, "NoSearchQueryList", sizeof(query)); - - // check if we have some post data - if (request->post == NULL) request->post->data="NoData"; - - // check is we have a session and a plugin handle - if (client == NULL) strcpy (session,"NoSession"); - else snprintf(session, sizeof(session),"uuid=%s token=%s ctx=0x%x handle=0x%x", client->uuid, client->token, client->ctx, client->ctx); - - // return response to caller - response = jsonNewMessage(AFB_SUCCESS, "Ping Binder Daemon count=%d CtxtId=%d query={%s} session={%s} PostData: [%s] " - , pingcount++, request->client->cid, query, session, request->post->data); - return (response); -} - - -// Helper to retrieve argument from connection -PUBLIC const char* getQueryValue(AFB_request * request, char *name) { - const char *value; - - value = MHD_lookup_connection_value(request->connection, MHD_GET_ARGUMENT_KIND, name); - return (value); -} - -STATIC int getQueryCB (void*handle, enum MHD_ValueKind kind, const char *key, const char *value) { - queryHandleT *query = (queryHandleT*)handle; - - query->idx += snprintf (&query->msg[query->idx],query->len," %s: \'%s\',", key, value); -} - -// Helper to retrieve argument from connection -PUBLIC int getQueryAll(AFB_request * request, char *buffer, size_t len) { - queryHandleT query; - buffer[0] = '\0'; // start with an empty string - query.msg= buffer; - query.len= len; - query.idx= 0; - - MHD_get_connection_values (request->connection, MHD_GET_ARGUMENT_KIND, getQueryCB, &query); - return (len); -} - - -// Helper to retreive POST handle -PUBLIC AFB_PostHandle* getPostHandle (AFB_request *request) { - if (request->post == NULL) return (NULL); - return ((AFB_PostHandle*) request->post->data); -} - // Because of POST call multiple time requestApi we need to free POST handle here // Note this method is called from http-svc just before closing session PUBLIC void endPostRequest(AFB_PostHandle *postHandle) { @@ -115,9 +50,11 @@ PUBLIC void endPostRequest(AFB_PostHandle *postHandle) { } // Check of apiurl is declare in this plugin and call it -STATIC AFB_error callPluginApi(AFB_plugin *plugin, AFB_request *request, void *context) { +STATIC AFB_error callPluginApi(AFB_request *request, int plugidx, void *context) { json_object *jresp, *jcall; int idx, status, sig; + AFB_clientCtx *clientCtx; + AFB_plugin *plugin = request->plugins[plugidx]; int signals[]= {SIGALRM, SIGSEGV, SIGFPE, 0}; /*--------------------------------------------------------------- @@ -125,8 +62,8 @@ STATIC AFB_error callPluginApi(AFB_plugin *plugin, AFB_request *request, void *c +---------------------------------------------------------------- */ void pluginError (int signum) { sigset_t sigset; - AFB_clientCtx *context; - + + // unlock signal to allow a new signal to come sigemptyset (&sigset); sigaddset (&sigset, signum); @@ -181,7 +118,8 @@ STATIC AFB_error callPluginApi(AFB_plugin *plugin, AFB_request *request, void *c if (AFB_SESSION_NONE != plugin->apis[idx].session) { // add client context to request - if (ctxClientGet(request, plugin) != AFB_SUCCESS) { + clientCtx = ctxClientGet(request, plugidx); + if (clientCtx == NULL) { request->errcode=MHD_HTTP_INSUFFICIENT_STORAGE; json_object_object_add(jcall, "status", json_object_new_string ("fail")); json_object_object_add(jcall, "info", json_object_new_string ("Client Session Context Full !!!")); @@ -190,12 +128,12 @@ STATIC AFB_error callPluginApi(AFB_plugin *plugin, AFB_request *request, void *c }; if (verbose) fprintf(stderr, "Plugin=[%s] Api=[%s] Middleware=[%d] Client=[0x%x] Uuid=[%s] Token=[%s]\n" - , request->plugin, request->api, plugin->apis[idx].session, request->client, request->client->uuid, request->client->token); + , request->plugin, request->api, plugin->apis[idx].session, clientCtx, clientCtx->uuid, clientCtx->token); switch(plugin->apis[idx].session) { case AFB_SESSION_CREATE: - if (request->client->token[0] != '\0') { + if (clientCtx->token[0] != '\0') { request->errcode=MHD_HTTP_UNAUTHORIZED; json_object_object_add(jcall, "status", json_object_new_string ("exist")); json_object_object_add(jcall, "info", json_object_new_string ("AFB_SESSION_CREATE Session already exist")); @@ -203,50 +141,50 @@ STATIC AFB_error callPluginApi(AFB_plugin *plugin, AFB_request *request, void *c return (AFB_DONE); } - if (AFB_SUCCESS != ctxTokenCreate (request)) { + if (AFB_SUCCESS != ctxTokenCreate (clientCtx, request)) { request->errcode=MHD_HTTP_UNAUTHORIZED; json_object_object_add(jcall, "status", json_object_new_string ("fail")); json_object_object_add(jcall, "info", json_object_new_string ("AFB_SESSION_CREATE Invalid Initial Token")); json_object_object_add(request->jresp, "request", jcall); return (AFB_DONE); } else { - json_object_object_add(jcall, "uuid", json_object_new_string (request->client->uuid)); - json_object_object_add(jcall, "token", json_object_new_string (request->client->token)); + json_object_object_add(jcall, "uuid", json_object_new_string (clientCtx->uuid)); + json_object_object_add(jcall, "token", json_object_new_string (clientCtx->token)); json_object_object_add(jcall, "timeout", json_object_new_int (request->config->cntxTimeout)); } break; case AFB_SESSION_RENEW: - if (AFB_SUCCESS != ctxTokenRefresh (request)) { + if (AFB_SUCCESS != ctxTokenRefresh (clientCtx, request)) { request->errcode=MHD_HTTP_UNAUTHORIZED; json_object_object_add(jcall, "status", json_object_new_string ("fail")); json_object_object_add(jcall, "info", json_object_new_string ("AFB_SESSION_REFRESH Broken Exchange Token Chain")); json_object_object_add(request->jresp, "request", jcall); return (AFB_DONE); } else { - json_object_object_add(jcall, "uuid", json_object_new_string (request->client->uuid)); - json_object_object_add(jcall, "token", json_object_new_string (request->client->token)); + json_object_object_add(jcall, "uuid", json_object_new_string (clientCtx->uuid)); + json_object_object_add(jcall, "token", json_object_new_string (clientCtx->token)); json_object_object_add(jcall, "timeout", json_object_new_int (request->config->cntxTimeout)); } break; case AFB_SESSION_CLOSE: - if (AFB_SUCCESS != ctxTokenCheck (request)) { + if (AFB_SUCCESS != ctxTokenCheck (clientCtx, request)) { request->errcode=MHD_HTTP_UNAUTHORIZED; json_object_object_add(jcall, "status", json_object_new_string ("empty")); json_object_object_add(jcall, "info", json_object_new_string ("AFB_SESSION_CLOSE Not a Valid Access Token")); json_object_object_add(request->jresp, "request", jcall); return (AFB_DONE); } else { - json_object_object_add(jcall, "uuid", json_object_new_string (request->client->uuid)); + json_object_object_add(jcall, "uuid", json_object_new_string (clientCtx->uuid)); } break; case AFB_SESSION_CHECK: default: // default action is check - if (AFB_SUCCESS != ctxTokenCheck (request)) { + if (AFB_SUCCESS != ctxTokenCheck (clientCtx, request)) { request->errcode=MHD_HTTP_UNAUTHORIZED; json_object_object_add(jcall, "status", json_object_new_string ("fail")); json_object_object_add(jcall, "info", json_object_new_string ("AFB_SESSION_CHECK Invalid Active Token")); @@ -260,11 +198,11 @@ STATIC AFB_error callPluginApi(AFB_plugin *plugin, AFB_request *request, void *c // Effectively call the API with a subset of the context jresp = plugin->apis[idx].callback(request, context); - // handle intemediatry Post Iterates out of band + // handle intermediary Post Iterates out of band if ((jresp == NULL) && (request->errcode == MHD_HTTP_OK)) return (AFB_SUCCESS); // Session close is done after the API call so API can still use session in closing API - if (AFB_SESSION_CLOSE == plugin->apis[idx].session) ctxTokenReset (request); + if (AFB_SESSION_CLOSE == plugin->apis[idx].session) ctxTokenReset (clientCtx, request); // API should return NULL of a valid Json Object if (jresp == NULL) { @@ -295,23 +233,24 @@ STATIC AFB_error findAndCallApi (AFB_request *request, void *context) { int idx; AFB_error status; + if (!request->api || !request->plugin) return (AFB_FAIL); // Search for a plugin with this urlpath for (idx = 0; request->plugins[idx] != NULL; idx++) { if (!strcmp(request->plugins[idx]->prefix, request->plugin)) { - status =callPluginApi(request->plugins[idx], request, context); + status =callPluginApi(request, idx, context); break; } } // No plugin was found if (request->plugins[idx] == NULL) { - request->jresp = jsonNewMessage(AFB_FATAL, "No Plugin=[%s]", request->plugin); + request->jresp = jsonNewMessage(AFB_FATAL, "No Plugin=[%s] Url=%s", request->plugin, request->url); goto ExitOnError; } // plugin callback did not return a valid Json Object if (status == AFB_FAIL) { - request->jresp = jsonNewMessage(AFB_FATAL, "No API=[%s] for Plugin=[%s]", request->api, request->plugin); + request->jresp = jsonNewMessage(AFB_FATAL, "No API=[%s] for Plugin=[%s] url=[%s]", request->api, request->plugin, request->url); goto ExitOnError; } @@ -386,12 +325,16 @@ STATIC AFB_request *createRequest (struct MHD_Connection *connection, AFB_sessio baseurl = strsep(&urlcpy2, "/"); if (baseurl == NULL) { request->jresp = jsonNewMessage(AFB_FATAL, "Invalid API call url=[%s]", url); + request->errcode = MHD_HTTP_BAD_REQUEST; + goto Done; } // let's compute URL and call API baseapi = strsep(&urlcpy2, "/"); if (baseapi == NULL) { - request->jresp = jsonNewMessage(AFB_FATAL, "Invalid API call url=[%s]", url); + request->jresp = jsonNewMessage(AFB_FATAL, "Invalid API call plugin=[%s] url=[%s]", baseurl, url); + request->errcode = MHD_HTTP_BAD_REQUEST; + goto Done; } // build request structure @@ -401,7 +344,8 @@ STATIC AFB_request *createRequest (struct MHD_Connection *connection, AFB_sessio request->plugin = strdup (baseurl); request->api = strdup (baseapi); request->plugins= session->plugins; - + +Done: free(urlcpy1); return (request); } @@ -432,6 +376,7 @@ PUBLIC int doRestApi(struct MHD_Connection *connection, AFB_session *session, co // allocate application POST processor handle to zero postHandle = calloc(1, sizeof (AFB_PostHandle)); postHandle->uid = postcount++; // build a UID for DEBUG + *con_cls = postHandle; // update context with posthandle // Let make sure we have the right encoding and a valid length encoding = MHD_lookup_connection_value(connection, MHD_HEADER_KIND, MHD_HTTP_HEADER_CONTENT_TYPE); @@ -447,15 +392,12 @@ PUBLIC int doRestApi(struct MHD_Connection *connection, AFB_session *session, co if (verbose) fprintf(stderr, "Create PostForm[uid=%d]\n", postHandle->uid); request = createRequest (connection, session, url); - if (request->jresp != NULL) { - errMessage = request->jresp; - goto ExitOnError; - } + if (request->jresp != NULL) goto ProcessApiCall; + postHandle = malloc(sizeof (AFB_PostHandle)); // allocate application POST processor handle postHandle->type = AFB_POST_FORM; postHandle->pp = MHD_create_post_processor (connection, MAX_POST_SIZE, doPostIterate, postHandle); postHandle->private= (void*)request; - *con_cls = postHandle; // update context with posthandle if (NULL == postHandle->pp) { fprintf(stderr,"OOPS: Internal error fail to allocate MHD_create_post_processor\n"); @@ -561,9 +503,9 @@ ProcessApiCall: webResponse = MHD_create_response_from_buffer(strlen(serialized), (void*) serialized, MHD_RESPMEM_MUST_COPY); // client did not pass token on URI let's use cookies - if ((!request->restfull) && (request->client != NULL)) { + if ((!request->restfull) && (request->context != NULL)) { char cookie[64]; - snprintf (cookie, sizeof (cookie), "%s=%s", COOKIE_NAME, request->client->uuid); + snprintf (cookie, sizeof (cookie), "%s=%s", COOKIE_NAME, request->uuid); MHD_add_response_header (webResponse, MHD_HTTP_HEADER_SET_COOKIE, cookie); } @@ -629,21 +571,58 @@ STATIC AFB_plugin ** RegisterJsonPlugins(AFB_plugin **plugins) { } void initPlugins(AFB_session *session) { - static AFB_plugin * plugins[10]; + static AFB_plugin **plugins; + AFB_plugin* (*pluginRegisterFct)(void); + void *plugin; + char *pluginPath; + struct dirent *pluginDir; + DIR *dir; afbJsonType = json_object_new_string (AFB_MSG_JTYPE); - int i = 0; - - plugins[i++] = tokenRegister(session); - plugins[i++] = helloWorldRegister(session); - plugins[i++] = samplePostRegister(session); -#ifdef HAVE_AUDIO_PLUGIN - plugins[i++] = audioRegister(session); -#endif -#ifdef HAVE_RADIO_PLUGIN - plugins[i++] = radioRegister(session), -#endif - plugins[i++] = NULL; - + int num = 0; + + /* pre-allocate for 20 plugins, we will downsize if necessary */ + plugins = (AFB_plugin **) malloc (20*sizeof(AFB_plugin)); + + if ((dir = opendir(session->config->plugins)) == NULL) { + fprintf(stderr, "Could not open plugin directory [%s], exiting...\n", session->config->plugins); + exit (-1); + } + + while ((pluginDir = readdir(dir)) != NULL) { + + if (!strstr (pluginDir->d_name, ".so")) + continue; + + asprintf (&pluginPath, "%s/%s", session->config->plugins, pluginDir->d_name); + plugin = dlopen (pluginPath, RTLD_NOW | RTLD_LOCAL); + pluginRegisterFct = dlsym (plugin, "pluginRegister"); + free (pluginPath); + if (!plugin) { + if (verbose) fprintf(stderr, "[%s] is not loadable, continuing...\n", pluginDir->d_name); + continue; + } else if (!pluginRegisterFct) { + if (verbose) fprintf(stderr, "[%s] is not an AFB plugin, continuing...\n", pluginDir->d_name); + continue; + } + + if (verbose) fprintf(stderr, "[%s] is a valid AFB plugin, loading it\n", pluginDir->d_name); + plugins[num] = (AFB_plugin *) malloc (sizeof(AFB_plugin)); + plugins[num] = (**pluginRegisterFct)(); + num++; + /* only 20 plugins are supported at that time */ + if (num == 20) break; + } + plugins = (AFB_plugin **) realloc (plugins, (num+1)*sizeof(AFB_plugin)); + plugins[num] = NULL; + + closedir (dir); + + if (plugins[0] == NULL) { + fprintf(stderr, "No plugins found, afb-daemon is unlikely to work in this configuration, exiting...\n"); + exit (-1); + } + // complete plugins and save them within current sessions session->plugins = RegisterJsonPlugins(plugins); + session->config->pluginCount = num; }