2 * Copyright (C) 2015 "IoT.bzh"
3 * Author "Fulup Ar Foll"
5 * This program is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation, either version 3 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
19 https://www.gnu.org/software/libmicrohttpd/manual/html_node/index.html#Top
20 http://www-01.ibm.com/support/knowledgecenter/SSB23S_1.1.0.9/com.ibm.ztpf-ztpfdf.doc_put.09/gtpc2/cpp_vsprintf.html?cp=SSB23S_1.1.0.9%2F0-3-8-1-0-16-8
25 #include "../include/local-def.h"
28 #include <sys/types.h>
31 #define AFB_CONFIG_JTYPE "AFB_config"
33 PUBLIC char *ERROR_LABEL[]=ERROR_LABEL_DEF;
36 STATIC AFB_errorT AFBerr [AFB_SUCCESS+1];
37 STATIC json_object *jTypeStatic;
39 /* ------------------------------------------------------------------------------
40 * Get localtime and return in a string
41 * ------------------------------------------------------------------------------ */
43 PUBLIC char * configTime (void) {
44 static char reqTime [26];
48 /* Get actual Date and Time */
52 strftime (reqTime, sizeof (reqTime), "(%d-%b %H:%M)",rt);
54 // return pointer on static data
58 // load config from disk and merge with CLI option
59 PUBLIC AFB_error configLoadFile (AFB_session * session, AFB_config *cliconfig) {
60 static char cacheTimeout [10];
62 json_object * AFBConfig, *value;
64 // TBD integrate alias-dir array with config-file
65 session->config->aliasdir = cliconfig->aliasdir;
68 if (cliconfig->httpdPort == 0) session->config->httpdPort=1234;
69 else session->config->httpdPort=cliconfig->httpdPort;
71 // default Plugin API timeout
72 if (cliconfig->apiTimeout == 0) session->config->apiTimeout=DEFLT_API_TIMEOUT;
73 else session->config->apiTimeout=cliconfig->apiTimeout;
76 if (cliconfig->token == NULL) session->config->token= DEFLT_AUTH_TOKEN;
77 else session->config->token=cliconfig->token;
79 // cache timeout default one hour
80 if (cliconfig->cacheTimeout == 0) session->config->cacheTimeout=DEFLT_CACHE_TIMEOUT;
81 else session->config->cacheTimeout=cliconfig->cacheTimeout;
83 // cache timeout default one hour
84 if (cliconfig->cntxTimeout == 0) session->config->cntxTimeout=DEFLT_CNTX_TIMEOUT;
85 else session->config->cntxTimeout=cliconfig->cntxTimeout;
87 if (cliconfig->rootdir == NULL) {
88 session->config->rootdir = getenv("AFBDIR");
89 if (session->config->rootdir == NULL) {
90 session->config->rootdir = malloc (512);
91 strncpy (session->config->rootdir, getenv("HOME"),512);
92 strncat (session->config->rootdir, "/.AFB",512);
94 // if directory does not exist createit
95 mkdir (session->config->rootdir, O_RDWR | S_IRWXU | S_IRGRP);
97 session->config->rootdir = cliconfig->rootdir;
100 // if no Angular/HTML5 rootbase let's try '/' as default
101 if (cliconfig->rootbase == NULL) {
102 session->config->rootbase = "/opa";
104 session->config->rootbase= cliconfig->rootbase;
107 if (cliconfig->rootapi == NULL) {
108 session->config->rootapi = "/api";
110 session->config->rootapi= cliconfig->rootapi;
113 if (cliconfig->smack == NULL) {
114 session->config->smack = "demo";
116 session->config->smack= cliconfig->smack;
119 if (cliconfig->smack == NULL) {
120 session->config->plugins = "all";
122 session->config->plugins= cliconfig->plugins;
125 // if no session dir create a default path from rootdir
126 if (cliconfig->sessiondir == NULL) {
127 session->config->sessiondir = malloc (512);
128 strncpy (session->config->sessiondir, session->config->rootdir, 512);
129 strncat (session->config->sessiondir, "/sessions",512);
131 session->config->sessiondir = cliconfig->sessiondir;
134 // if no config dir create a default path from sessiondir
135 if (cliconfig->configfile == NULL) {
136 session->config->configfile = malloc (512);
137 strncpy (session->config->configfile, session->config->sessiondir, 512);
138 strncat (session->config->configfile, "/AFB-config.json",512);
140 session->config->configfile = cliconfig->configfile;
143 // if no config dir create a default path from sessiondir
144 if (cliconfig->pidfile == NULL) {
145 session->config->pidfile = malloc (512);
146 strncpy (session->config->pidfile, session->config->sessiondir, 512);
147 strncat (session->config->pidfile, "/AFB-process.pid",512);
149 session->config->pidfile= cliconfig->pidfile;
152 // if no config dir create a default path from sessiondir
153 if (cliconfig->console == NULL) {
154 session->config->console = malloc (512);
155 strncpy (session->config->console, session->config->sessiondir, 512);
156 strncat (session->config->console, "/AFB-console.out",512);
158 session->config->console= cliconfig->console;
161 // just upload json object and return without any further processing
162 if((fd = open(session->config->configfile, O_RDONLY)) < 0) {
163 if (verbose) fprintf (stderr, "AFB:notice: config at %s: %s\n", session->config->configfile, strerror(errno));
167 // openjson from FD is not public API we need to reopen it !!!
169 AFBConfig = json_object_from_file (session->config->configfile);
171 // check it is an AFB_config
172 if (json_object_object_get_ex (AFBConfig, "jtype", &value)) {
173 if (strcmp (AFB_CONFIG_JTYPE, json_object_get_string (value))) {
174 fprintf (stderr,"AFB: Error file [%s] is not a valid [%s] type\n ", session->config->configfile, AFB_CONFIG_JTYPE);
179 if (!cliconfig->rootdir && json_object_object_get_ex (AFBConfig, "rootdir", &value)) {
180 session->config->rootdir = strdup (json_object_get_string (value));
183 if (!cliconfig->rootbase && json_object_object_get_ex (AFBConfig, "rootbase", &value)) {
184 session->config->rootbase = strdup (json_object_get_string (value));
187 if (!cliconfig->rootapi && json_object_object_get_ex (AFBConfig, "rootapi", &value)) {
188 session->config->rootapi = strdup (json_object_get_string (value));
191 if (!cliconfig->smack && json_object_object_get_ex (AFBConfig, "smack", &value)) {
192 session->config->smack = strdup (json_object_get_string (value));
195 if (!cliconfig->plugins && json_object_object_get_ex (AFBConfig, "plugins", &value)) {
196 session->config->plugins = strdup (json_object_get_string (value));
199 if (!cliconfig->setuid && json_object_object_get_ex (AFBConfig, "setuid", &value)) {
200 session->config->setuid = strdup (json_object_get_string (value));
203 if (!cliconfig->sessiondir && json_object_object_get_ex (AFBConfig, "sessiondir", &value)) {
204 session->config->sessiondir = strdup (json_object_get_string (value));
207 if (!cliconfig->pidfile && json_object_object_get_ex (AFBConfig, "pidfile", &value)) {
208 session->config->pidfile = strdup (json_object_get_string (value));
211 if (!cliconfig->httpdPort && json_object_object_get_ex (AFBConfig, "httpdPort", &value)) {
212 session->config->httpdPort = json_object_get_int (value);
216 if (!cliconfig->localhostOnly && json_object_object_get_ex (AFBConfig, "localhostonly", &value)) {
217 session->config->localhostOnly = json_object_get_int (value);
220 if (!cliconfig->cacheTimeout && json_object_object_get_ex (AFBConfig, "cachetimeout", &value)) {
221 session->config->cacheTimeout = json_object_get_int (value);
224 if (!cliconfig->apiTimeout && json_object_object_get_ex (AFBConfig, "apitimeout", &value)) {
225 session->config->apiTimeout = json_object_get_int (value);
228 if (!cliconfig->cntxTimeout && json_object_object_get_ex (AFBConfig, "cntxtimeout", &value)) {
229 session->config->cntxTimeout = json_object_get_int (value);
232 // cacheTimeout is an integer but HTTPd wants it as a string
233 snprintf (cacheTimeout, sizeof (cacheTimeout),"%d", session->config->cacheTimeout);
234 session->cacheTimeout = cacheTimeout; // httpd uses cacheTimeout string version
236 json_object_put (AFBConfig); // decrease reference count to free the json object
243 // Save the config on disk
244 PUBLIC void configStoreFile (AFB_session * session) {
245 json_object * AFBConfig;
247 struct tm * timeinfo;
250 AFBConfig = json_object_new_object();
252 // add a timestamp and store session on disk
253 time ( &rawtime ); timeinfo = localtime ( &rawtime );
254 // A copy of the string is made and the memory is managed by the json_object
255 json_object_object_add (AFBConfig, "jtype" , json_object_new_string (AFB_CONFIG_JTYPE));
256 json_object_object_add (AFBConfig, "timestamp" , json_object_new_string (asctime (timeinfo)));
257 json_object_object_add (AFBConfig, "rootdir" , json_object_new_string (session->config->rootdir));
258 json_object_object_add (AFBConfig, "rootapi" , json_object_new_string (session->config->rootapi));
259 json_object_object_add (AFBConfig, "rootbase" , json_object_new_string (session->config->rootbase));
260 json_object_object_add (AFBConfig, "smack" , json_object_new_string (session->config->smack));
261 json_object_object_add (AFBConfig, "plugins" , json_object_new_string (session->config->plugins));
262 json_object_object_add (AFBConfig, "sessiondir" , json_object_new_string (session->config->sessiondir));
263 json_object_object_add (AFBConfig, "pidfile" , json_object_new_string (session->config->pidfile));
264 json_object_object_add (AFBConfig, "setuid" , json_object_new_string (session->config->setuid));
265 json_object_object_add (AFBConfig, "httpdPort" , json_object_new_int (session->config->httpdPort));
266 json_object_object_add (AFBConfig, "localhostonly" , json_object_new_int (session->config->localhostOnly));
267 json_object_object_add (AFBConfig, "cachetimeout" , json_object_new_int (session->config->cacheTimeout));
268 json_object_object_add (AFBConfig, "apitimeout" , json_object_new_int (session->config->apiTimeout));
269 json_object_object_add (AFBConfig, "cntxtimeout" , json_object_new_int (session->config->cntxTimeout));
271 err = json_object_to_file (session->config->configfile, AFBConfig);
272 json_object_put (AFBConfig); // decrease reference count to free the json object
274 fprintf(stderr, "AFB: Fail to save config on disk [%s]\n ", session->config->configfile);
279 PUBLIC AFB_session *configInit () {
281 AFB_session *session;
286 session = malloc (sizeof (AFB_session));
287 memset (session,0, sizeof (AFB_session));
289 // create config handle
290 config = malloc (sizeof (AFB_config));
291 memset (config,0, sizeof (AFB_config));
293 // stack config handle into session
294 session->config = config;
296 jTypeStatic = json_object_new_string ("AFB_message");
298 // initialise JSON constant messages and increase reference count to make them permanent
299 verbosesav = verbose;
300 verbose = 0; // run initialisation in silent mode
303 for (idx = 0; idx <= AFB_SUCCESS; idx++) {
304 AFBerr[idx].level = idx;
305 AFBerr[idx].label = ERROR_LABEL [idx];
306 AFBerr[idx].json = jsonNewMessage (idx, NULL);
308 verbose = verbosesav;
314 // get JSON object from error level and increase its reference count
315 PUBLIC json_object *jsonNewStatus (AFB_error level) {
317 json_object *target = AFBerr[level].json;
318 json_object_get (target);
323 // get AFB object type with adequate usage count
324 PUBLIC json_object *jsonNewjtype (void) {
325 json_object_get (jTypeStatic); // increase reference count
326 return (jTypeStatic);
329 // build an ERROR message and return it as a valid json object
330 PUBLIC json_object *jsonNewMessage (AFB_error level, char* format, ...) {
331 static int count = 0;
332 json_object * AFBResponse;
337 if (format != NULL) {
338 va_start(args, format);
339 vsnprintf (message, sizeof (message), format, args);
343 AFBResponse = json_object_new_object();
344 json_object_object_add (AFBResponse, "jtype", jsonNewjtype ());
345 json_object_object_add (AFBResponse, "status" , json_object_new_string (ERROR_LABEL[level]));
346 if (format != NULL) {
347 json_object_object_add (AFBResponse, "info" , json_object_new_string (message));
350 fprintf (stderr, "AFB:%-6s [%3d]: ", AFBerr [level].label, count++);
351 if (format != NULL) {
352 fprintf (stderr, "%s", message);
354 fprintf (stderr, "No Message");
356 fprintf (stderr, "\n");
359 return (AFBResponse);
362 // Dump a message on stderr
363 PUBLIC void jsonDumpObject (json_object * jObject) {
366 fprintf (stderr, "AFB:dump [%s]\n", json_object_to_json_string(jObject));