X-Git-Url: https://gerrit.automotivelinux.org/gerrit/gitweb?a=blobdiff_plain;f=src%2Frest-api.c;h=c8a5029534f14e8f98d9ada8c26136f91f4686c9;hb=0d170147150b90678225b55548215d09d8273e6d;hp=35e81d7e3c58636e3d83df9e93ce3081f2840864;hpb=1250a56369315c017abfe429c556b863730b9b44;p=src%2Fapp-framework-binder.git diff --git a/src/rest-api.c b/src/rest-api.c index 35e81d7e..c8a50295 100644 --- a/src/rest-api.c +++ b/src/rest-api.c @@ -95,7 +95,7 @@ PUBLIC int getQueryAll(AFB_request * request, char *buffer, size_t len) { PUBLIC void endPostRequest(AFB_PostHandle *postHandle) { if (postHandle->type == AFB_POST_JSON) { - if (verbose) fprintf(stderr, "End PostJson Request UID=%d\n", postHandle->uid); + // if (verbose) fprintf(stderr, "End PostJson Request UID=%d\n", postHandle->uid); } if (postHandle->type == AFB_POST_FORM) { @@ -107,7 +107,7 @@ PUBLIC void endPostRequest(AFB_PostHandle *postHandle) { if (!postHandle->completeCB) postHandle->completeCB (postHandle->private); } } - freeRequest (postHandle->private); + free(postHandle->private); free(postHandle); } @@ -138,6 +138,11 @@ STATIC AFB_error callPluginApi(AFB_plugin *plugin, AFB_request *request, void *c for (idx = 0; plugin->apis[idx].callback != NULL; idx++) { if (!strcmp(plugin->apis[idx].name, request->api)) { + // Request was found and at least partially executed + request->jresp = json_object_new_object(); + json_object_get (afbJsonType); // increate jsontype reference count + json_object_object_add (request->jresp, "jtype", afbJsonType); + // prepare an object to store calling values jcall=json_object_new_object(); json_object_object_add(jcall, "prefix", json_object_new_string (plugin->prefix)); @@ -158,25 +163,102 @@ STATIC AFB_error callPluginApi(AFB_plugin *plugin, AFB_request *request, void *c if (request->config->apiTimeout > 0) { for (sig=0; signals[sig] != 0; sig++) { if (signal (signals[sig], pluginError) == SIG_ERR) { - request->errcode = MHD_HTTP_UNPROCESSABLE_ENTITY; - request->jresp = jsonNewMessage(AFB_FATAL, "%s ERR: Signal/timeout handler activation fail.", configTime()); - return AFB_FAIL; + request->errcode = MHD_HTTP_UNPROCESSABLE_ENTITY; + json_object_object_add(jcall, "status", json_object_new_string ("fail")); + json_object_object_add(jcall, "info", json_object_new_string ("Setting Timeout Handler Failed")); + json_object_object_add(request->jresp, "request", jcall); + return AFB_DONE; } } // Trigger a timer to protect from unacceptable long time execution alarm (request->config->apiTimeout); } + + // Out of SessionNone every call get a client context session + if (AFB_SESSION_NONE != plugin->apis[idx].session) { + + // add client context to request + if (ctxClientGet(request, plugin) != AFB_SUCCESS) { + 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 !!!")); + json_object_object_add(request->jresp, "request", jcall); + return (AFB_DONE); + }; + + 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); + + switch(plugin->apis[idx].session) { + + case AFB_SESSION_CREATE: + if (request->client->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")); + json_object_object_add(request->jresp, "request", jcall); + return (AFB_DONE); + } + + if (AFB_SUCCESS != ctxTokenCreate (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, "timeout", json_object_new_int (request->config->cntxTimeout)); + } + break; + + + case AFB_SESSION_RENEW: + if (AFB_SUCCESS != ctxTokenRefresh (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, "timeout", json_object_new_int (request->config->cntxTimeout)); + } + break; + + case AFB_SESSION_CLOSE: + if (AFB_SUCCESS != ctxTokenCheck (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)); + } + break; + + case AFB_SESSION_CHECK: + default: + // default action is check + if (AFB_SUCCESS != ctxTokenCheck (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")); + json_object_object_add(request->jresp, "request", jcall); + return (AFB_DONE); + } + break; + } + } - // add client context to request - ctxClientGet(request, plugin); - // Effectively call the API with a subset of the context jresp = plugin->apis[idx].callback(request, context); - // Allocate Json object and build response - request->jresp = json_object_new_object(); - json_object_get (afbJsonType); // increate jsontype reference count - json_object_object_add (request->jresp, "jtype", afbJsonType); + // 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); // API should return NULL of a valid Json Object if (jresp == NULL) { @@ -200,17 +282,18 @@ STATIC AFB_error callPluginApi(AFB_plugin *plugin, AFB_request *request, void *c return (AFB_DONE); } } + return (AFB_FAIL); } STATIC AFB_error findAndCallApi (AFB_request *request, void *context) { int idx; - char *baseurl, *baseapi; AFB_error status; + // Search for a plugin with this urlpath for (idx = 0; request->plugins[idx] != NULL; idx++) { - if (!strcmp(request->plugins[idx]->prefix, baseurl)) { + if (!strcmp(request->plugins[idx]->prefix, request->plugin)) { status =callPluginApi(request->plugins[idx], request, context); break; } @@ -226,7 +309,10 @@ STATIC AFB_error findAndCallApi (AFB_request *request, void *context) { request->jresp = jsonNewMessage(AFB_FATAL, "No API=[%s] for Plugin=[%s]", request->api, request->plugin); goto ExitOnError; } - + + + + // Everything look OK return (status); @@ -262,10 +348,10 @@ doPostIterate (void *cls, enum MHD_ValueKind kind, const char *key, item.offset = offset; // Reformat Request to make it somehow similar to GET/PostJson case - post.data= (char*) postctx; - post.len = size; - post.type= AFB_POST_FORM;; - request->post = &post; + postRequest.data= (char*) postHandle; + postRequest.len = size; + postRequest.type= AFB_POST_FORM;; + request->post = &postRequest; // effectively call plugin API status = findAndCallApi (request, &item); @@ -274,10 +360,11 @@ doPostIterate (void *cls, enum MHD_ValueKind kind, const char *key, if (status != AFB_SUCCESS) return MHD_NO; // let's allow iterator to move to next item - return (MHD_YES;); + return (MHD_YES); } STATIC void freeRequest (AFB_request *request) { + free (request->plugin); free (request->api); free (request); @@ -289,32 +376,32 @@ STATIC AFB_request *createRequest (struct MHD_Connection *connection, AFB_sessio // Start with a clean request request = calloc (1, sizeof (AFB_request)); - char *urlcpy1, urlcpy2; + char *urlcpy1, *urlcpy2; + char *baseapi, *baseurl; // Extract plugin urlpath from request and make two copy because strsep overload copy urlcpy1 = urlcpy2 = strdup(url); baseurl = strsep(&urlcpy2, "/"); if (baseurl == NULL) { - errMessage = jsonNewMessage(AFB_FATAL, "Invalid API call url=[%s]", url); - goto ExitOnError; + request->jresp = jsonNewMessage(AFB_FATAL, "Invalid API call url=[%s]", url); } // let's compute URL and call API baseapi = strsep(&urlcpy2, "/"); if (baseapi == NULL) { - errMessage = jsonNewMessage(AFB_FATAL, "Invalid API call url=[%s]", url); - goto ExitOnError; + request->jresp = jsonNewMessage(AFB_FATAL, "Invalid API call url=[%s]", url); } // build request structure request->connection = connection; - request->config = session.config; + request->config = session->config; request->url = url; request->plugin = strdup (baseurl); request->api = strdup (baseapi); request->plugins= session->plugins; free(urlcpy1); + return (request); } // process rest API query @@ -326,41 +413,51 @@ PUBLIC int doRestApi(struct MHD_Connection *connection, AFB_session *session, co AFB_error status; struct MHD_Response *webResponse; const char *serialized; - AFB_request request; - AFB_PostHandle *posthandle; + AFB_request *request; + AFB_PostHandle *postHandle; + AFB_PostRequest postRequest; int ret; // if post data may come in multiple calls if (0 == strcmp(method, MHD_HTTP_METHOD_POST)) { const char *encoding, *param; int contentlen = -1; - posthandle = *con_cls; + postHandle = *con_cls; // This is the initial post event let's create form post structure POST datas come in multiple events - if (posthandle == NULL) { - fprintf(stderr, "This is the 1st Post Event postuid=%d\n", posthandle->uid); + if (postHandle == NULL) { // allocate application POST processor handle to zero - posthandle = cmalloc(1, sizeof (AFB_PostHandle)); - posthandle->uid = postcount++; // build a UID for DEBUG - *con_cls = posthandle; // attache POST handle to current HTTP request + postHandle = calloc(1, sizeof (AFB_PostHandle)); + postHandle->uid = postcount++; // build a UID for DEBUG + *con_cls = postHandle; // attache POST handle to current HTTP request // 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); - param = MHD_lookup_connection_value(connection, MHD_HEADER_KIND, MHD_HTTP_HEADER_CONTENT_LENGTH); - if (param) sscanf(param, "%i", &contentlen); + + // We are facing an empty post let's process it as a get + if (encoding == NULL) { + request= createRequest (connection, session, url); + goto ProcessApiCall; + } // Form post is handle through a PostProcessor and call API once per form key if (strcasestr(encoding, FORM_CONTENT) != NULL) { - - posthandle = malloc(sizeof (AFB_PostHandle)); // allocate application POST processor handle - posthandle->type = AFB_POST_FORM; - posthandle->private= (void*)createRequest (connection, session, url); - posthandle->pp = MHD_create_post_processor (connection, MAX_POST_SIZE, doPostIterate, posthandle); - - if (NULL == posthandle->pp) { + 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; + } + 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; + + if (NULL == postHandle->pp) { fprintf(stderr,"OOPS: Internal error fail to allocate MHD_create_post_processor\n"); - free (posthandle); + free (postHandle); return MHD_NO; } return MHD_YES; @@ -369,40 +466,46 @@ PUBLIC int doRestApi(struct MHD_Connection *connection, AFB_session *session, co // POST json is store into a buffer and present in one piece to API if (strcasestr(encoding, JSON_CONTENT) != NULL) { + param = MHD_lookup_connection_value(connection, MHD_HEADER_KIND, MHD_HTTP_HEADER_CONTENT_LENGTH); + if (param) sscanf(param, "%i", &contentlen); + + // Because PostJson are build in RAM size is constrained if (contentlen > MAX_POST_SIZE) { errMessage = jsonNewMessage(AFB_FATAL, "Post Date to big %d > %d", contentlen, MAX_POST_SIZE); goto ExitOnError; } - if (posthandle == NULL) { - posthandle->type = AFB_POST_JSON; - posthandle->private = malloc(contentlen + 1); // allocate memory for full POST data + 1 for '\0' enf of string + // Size is OK, let's allocate a buffer to hold post data + postHandle->type = AFB_POST_JSON; + postHandle->private = malloc(contentlen + 1); // allocate memory for full POST data + 1 for '\0' enf of string - if (verbose) fprintf(stderr, "Create PostJson[%d] Size=%d\n", posthandle->uid, contentlen); - return MHD_YES; - } + // if (verbose) fprintf(stderr, "Create PostJson[uid=%d] Size=%d\n", postHandle->uid, contentlen); + return MHD_YES; + } else { // We only support Json and Form Post format errMessage = jsonNewMessage(AFB_FATAL, "Post Date wrong type encoding=%s != %s", encoding, JSON_CONTENT); goto ExitOnError; - } + + } } // This time we receive partial/all Post data. Note that even if we get all POST data. We should nevertheless // return MHD_YES and not process the request directly. Otherwise Libmicrohttpd is unhappy and fails with // 'Internal application error, closing connection'. if (*upload_data_size) { - if (verbose) fprintf(stderr, "Update Post[%d]\n", posthandle->uid); - if (posthandle->type == AFB_POST_FORM) { - MHD_post_process (con_info->postprocessor, upload_data, *upload_data_size); + if (postHandle->type == AFB_POST_FORM) { + if (verbose) fprintf(stderr, "Processing PostForm[uid=%d]\n", postHandle->uid); + MHD_post_process (postHandle->pp, upload_data, *upload_data_size); } // Process JsonPost request when buffer is completed let's call API - if (posthandle->type == AFB_POST_JSON) { + if (postHandle->type == AFB_POST_JSON) { + // if (verbose) fprintf(stderr, "Updating PostJson[uid=%d]\n", postHandle->uid); - memcpy(&posthandle->private[posthandle->len], upload_data, *upload_data_size); - posthandle->len = posthandle->len + *upload_data_size; + memcpy(&postHandle->private[postHandle->len], upload_data, *upload_data_size); + postHandle->len = postHandle->len + *upload_data_size; *upload_data_size = 0; } return MHD_YES; @@ -411,53 +514,59 @@ PUBLIC int doRestApi(struct MHD_Connection *connection, AFB_session *session, co // Create a request structure to finalise the request request= createRequest (connection, session, url); - - // We should only start to process DATA after Libmicrohttpd call or application handler with *upload_data_size==0 - if (posthandle->type == AFB_POST_FORM) { - MHD_post_process (posthandle->pp, upload_data, *upload_data_size); + if (request->jresp != NULL) { + errMessage = request->jresp; + goto ExitOnError; } + - if (posthandle->type == AFB_POST_JSON) { + if (postHandle->type == AFB_POST_JSON) { + // if (verbose) fprintf(stderr, "Processing PostJson[uid=%d]\n", postHandle->uid); + + param = MHD_lookup_connection_value(connection, MHD_HEADER_KIND, MHD_HTTP_HEADER_CONTENT_LENGTH); + if (param) sscanf(param, "%i", &contentlen); + // At this level we're may verify that we got everything and process DATA - if (posthandle->len != contentlen) { - errMessage = jsonNewMessage(AFB_FATAL, "Post Data Incomplete UID=%d Len %d != %s", posthandle->uid, contentlen, posthandle->len); + if (postHandle->len != contentlen) { + errMessage = jsonNewMessage(AFB_FATAL, "Post Data Incomplete UID=%d Len %d != %d", postHandle->uid, contentlen, postHandle->len); goto ExitOnError; } // Before processing data, make sure buffer string is properly ended - posthandle->private[posthandle->len] = '\0'; - request->post.data = posthandle->private; - request->post.type = posthandle->type; + postHandle->private[postHandle->len] = '\0'; + postRequest.data = postHandle->private; + postRequest.type = postHandle->type; + request->post = &postRequest; - if (verbose) fprintf(stderr, "Close Post[%d] Buffer=%s\n", posthandle->uid, request.post); + // if (verbose) fprintf(stderr, "Close Post[%d] Buffer=%s\n", postHandle->uid, request->post->data); } } } else { // this is a get we only need a request request= createRequest (connection, session, url); }; - + +ProcessApiCall: // Request is ready let's call API without any extra handle status = findAndCallApi (request, NULL); - -ExitOnResponse: - freeRequest (request); - serialized = json_object_to_json_string(request.jresp); + + serialized = json_object_to_json_string(request->jresp); 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->client != NULL)) { char cookie[64]; - snprintf (cookie, sizeof (cookie), "%s=%s", COOKIE_NAME, request.client->uuid); + snprintf (cookie, sizeof (cookie), "%s=%s", COOKIE_NAME, request->client->uuid); MHD_add_response_header (webResponse, MHD_HTTP_HEADER_SET_COOKIE, cookie); } // if requested add an error status - if (request.errcode != 0) ret=MHD_queue_response (connection, request.errcode, webResponse); + if (request->errcode != 0) ret=MHD_queue_response (connection, request->errcode, webResponse); else MHD_queue_response(connection, MHD_HTTP_OK, webResponse); MHD_destroy_response(webResponse); - json_object_put(request.jresp); // decrease reference rqtcount to free the json object + json_object_put(request->jresp); // decrease reference rqtcount to free the json object + freeRequest (request); return MHD_YES; ExitOnError: @@ -517,9 +626,11 @@ void initPlugins(AFB_session *session) { afbJsonType = json_object_new_string (AFB_MSG_JTYPE); int i = 0; - plugins[i++] = afsvRegister(session), - plugins[i++] = dbusRegister(session), - plugins[i++] = alsaRegister(session), + plugins[i++] = tokenRegister(session), + plugins[i++] = helloWorldRegister(session), +#ifdef HAVE_AUDIO_PLUGIN + plugins[i++] = audioRegister(session), +#endif #ifdef HAVE_RADIO_PLUGIN plugins[i++] = radioRegister(session), #endif