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 AFB_Error [AFB_SUCCESS+1];
37 STATIC json_object *AFBJsonType;
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 // fix config redirect message
65 session->config->html5.msg = "Angular/HTML5 redirect";
66 session->config->html5.len = strlen(session->config->html5.msg);
69 if (cliconfig->httpdPort == 0) session->config->httpdPort=1234;
70 else session->config->httpdPort=cliconfig->httpdPort;
72 // cache timeout default one hour
73 if (cliconfig->cacheTimeout == 0) session->config->cacheTimeout=3600;
74 else session->config->cacheTimeout=cliconfig->cacheTimeout;
76 if (cliconfig->rootdir == NULL) {
77 session->config->rootdir = getenv("AFBDIR");
78 if (session->config->rootdir == NULL) {
79 session->config->rootdir = malloc (512);
80 strncpy (session->config->rootdir, getenv("HOME"),512);
81 strncat (session->config->rootdir, "/.AFB",512);
83 // if directory does not exist createit
84 mkdir (session->config->rootdir, O_RDWR | S_IRWXU | S_IRGRP);
86 session->config->rootdir = cliconfig->rootdir;
89 // if no Angular/HTML5 rootbase let's try '/' as default
90 if (cliconfig->rootbase == NULL) {
91 session->config->rootbase = "/";
93 session->config->console= cliconfig->console;
96 // if no rootapi use '/api'
97 if (cliconfig->rootbase == NULL) {
98 session->config->rootbase = "/api";
100 session->config->console= cliconfig->console;
105 // if no session dir create a default path from rootdir
106 if (cliconfig->sessiondir == NULL) {
107 session->config->sessiondir = malloc (512);
108 strncpy (session->config->sessiondir, session->config->rootdir, 512);
109 strncat (session->config->sessiondir, "/sessions",512);
111 session->config->sessiondir = cliconfig->sessiondir;
114 // if no config dir create a default path from sessiondir
115 if (cliconfig->configfile == NULL) {
116 session->config->configfile = malloc (512);
117 strncpy (session->config->configfile, session->config->sessiondir, 512);
118 strncat (session->config->configfile, "/AFB-config.json",512);
120 session->config->configfile = cliconfig->configfile;
123 // if no config dir create a default path from sessiondir
124 if (cliconfig->pidfile == NULL) {
125 session->config->pidfile = malloc (512);
126 strncpy (session->config->pidfile, session->config->sessiondir, 512);
127 strncat (session->config->pidfile, "/AFB-process.pid",512);
129 session->config->pidfile= cliconfig->pidfile;
132 // if no config dir create a default path from sessiondir
133 if (cliconfig->console == NULL) {
134 session->config->console = malloc (512);
135 strncpy (session->config->console, session->config->sessiondir, 512);
136 strncat (session->config->console, "/AFB-console.out",512);
138 session->config->console= cliconfig->console;
141 // just upload json object and return without any further processing
142 if((fd = open(session->config->configfile, O_RDONLY)) < 0) {
143 if (verbose) fprintf (stderr, "AFB:notice: config at %s: %s\n", session->config->configfile, strerror(errno));
147 // openjson from FD is not public API we need to reopen it !!!
149 AFBConfig = json_object_from_file (session->config->configfile);
151 // check it is an AFB_config
152 if (json_object_object_get_ex (AFBConfig, "jtype", &value)) {
153 if (strcmp (AFB_CONFIG_JTYPE, json_object_get_string (value))) {
154 fprintf (stderr,"AFB: Error file [%s] is not a valid [%s] type\n ", session->config->configfile, AFB_CONFIG_JTYPE);
159 if (!cliconfig->rootdir && json_object_object_get_ex (AFBConfig, "rootdir", &value)) {
160 session->config->rootdir = strdup (json_object_get_string (value));
163 if (!cliconfig->rootbase && json_object_object_get_ex (AFBConfig, "rootbase", &value)) {
164 session->config->rootbase = strdup (json_object_get_string (value));
167 if (!cliconfig->rootapi && json_object_object_get_ex (AFBConfig, "rootapi", &value)) {
168 session->config->rootapi = strdup (json_object_get_string (value));
171 if (!cliconfig->smack && json_object_object_get_ex (AFBConfig, "smack", &value)) {
172 session->config->smack = strdup (json_object_get_string (value));
175 if (!cliconfig->plugins && json_object_object_get_ex (AFBConfig, "plugins", &value)) {
176 session->config->plugins = strdup (json_object_get_string (value));
179 if (!cliconfig->sessiondir && json_object_object_get_ex (AFBConfig, "sessiondir", &value)) {
180 session->config->sessiondir = strdup (json_object_get_string (value));
183 if (!cliconfig->pidfile && json_object_object_get_ex (AFBConfig, "pidfile", &value)) {
184 session->config->pidfile = strdup (json_object_get_string (value));
187 if (!cliconfig->httpdPort && json_object_object_get_ex (AFBConfig, "httpdPort", &value)) {
188 session->config->httpdPort = json_object_get_int (value);
191 if (!cliconfig->setuid && json_object_object_get_ex (AFBConfig, "setuid", &value)) {
192 session->config->setuid = json_object_get_int (value);
195 if (!cliconfig->localhostOnly && json_object_object_get_ex (AFBConfig, "localhostonly", &value)) {
196 session->config->localhostOnly = json_object_get_int (value);
199 if (!cliconfig->cacheTimeout && json_object_object_get_ex (AFBConfig, "cachetimeout", &value)) {
200 session->config->cacheTimeout = json_object_get_int (value);
202 // cacheTimeout is an interger but HTTPd wants it as a string
203 snprintf (cacheTimeout, sizeof (cacheTimeout),"%d", session->config->cacheTimeout);
204 session->cacheTimeout = cacheTimeout; // httpd uses cacheTimeout string version
205 json_object_put (AFBConfig); // decrease reference count to free the json object
210 // Save the config on disk
211 PUBLIC void configStoreFile (AFB_session * session) {
212 json_object * AFBConfig;
214 struct tm * timeinfo;
217 AFBConfig = json_object_new_object();
219 // add a timestamp and store session on disk
220 time ( &rawtime ); timeinfo = localtime ( &rawtime );
221 // A copy of the string is made and the memory is managed by the json_object
222 json_object_object_add (AFBConfig, "jtype" , json_object_new_string (AFB_CONFIG_JTYPE));
223 json_object_object_add (AFBConfig, "timestamp" , json_object_new_string (asctime (timeinfo)));
224 json_object_object_add (AFBConfig, "rootdir" , json_object_new_string (session->config->rootdir));
225 json_object_object_add (AFBConfig, "rootapi" , json_object_new_string (session->config->rootapi));
226 json_object_object_add (AFBConfig, "rootbase" , json_object_new_string (session->config->rootbase));
227 json_object_object_add (AFBConfig, "smack" , json_object_new_string (session->config->smack));
228 json_object_object_add (AFBConfig, "plugins" , json_object_new_string (session->config->plugins));
229 json_object_object_add (AFBConfig, "sessiondir" , json_object_new_string (session->config->sessiondir));
230 json_object_object_add (AFBConfig, "pidfile" , json_object_new_string (session->config->pidfile));
231 json_object_object_add (AFBConfig, "httpdPort" , json_object_new_int (session->config->httpdPort));
232 json_object_object_add (AFBConfig, "setuid" , json_object_new_int (session->config->setuid));
233 json_object_object_add (AFBConfig, "localhostonly" , json_object_new_int (session->config->localhostOnly));
234 json_object_object_add (AFBConfig, "cachetimeout" , json_object_new_int (session->config->cacheTimeout));
236 err = json_object_to_file (session->config->configfile, AFBConfig);
237 json_object_put (AFBConfig); // decrease reference count to free the json object
239 fprintf(stderr, "AFB: Fail to save config on disk [%s]\n ", session->config->configfile);
244 PUBLIC AFB_session *configInit () {
246 AFB_session *session;
251 session = malloc (sizeof (AFB_session));
252 memset (session,0, sizeof (AFB_session));
254 // create config handle
255 config = malloc (sizeof (AFB_config));
256 memset (config,0, sizeof (AFB_config));
258 // stack config handle into session
259 session->config = config;
261 AFBJsonType = json_object_new_string ("AFB_message");
263 // initialise JSON constant messages and increase reference count to make them permanent
264 verbosesav = verbose;
265 verbose = 0; // run initialisation in silent mode
269 for (idx = 0; idx <= AFB_SUCCESS; idx++) {
270 AFB_Error[idx].level = idx;
271 AFB_Error[idx].label = ERROR_LABEL [idx];
272 AFB_Error[idx].json = jsonNewMessage (idx, NULL);
274 verbose = verbosesav;
280 // get JSON object from error level and increase its reference count
281 PUBLIC json_object *jsonNewStatus (AFB_ERROR level) {
283 json_object *target = AFB_Error[level].json;
284 json_object_get (target);
289 // get AFB object type with adequate usage count
290 PUBLIC json_object *jsonNewjtype (void) {
291 json_object_get (AFBJsonType); // increase reference count
292 return (AFBJsonType);
295 // build an ERROR message and return it as a valid json object
296 PUBLIC json_object *jsonNewMessage (AFB_ERROR level, char* format, ...) {
297 static int count = 0;
298 json_object * AFBResponse;
303 if (format != NULL) {
304 va_start(args, format);
305 vsnprintf (message, sizeof (message), format, args);
309 AFBResponse = json_object_new_object();
310 json_object_object_add (AFBResponse, "jtype", jsonNewjtype ());
311 json_object_object_add (AFBResponse, "status" , json_object_new_string (ERROR_LABEL[level]));
312 if (format != NULL) {
313 json_object_object_add (AFBResponse, "info" , json_object_new_string (message));
316 fprintf (stderr, "AFB:%-6s [%3d]: ", AFB_Error [level].label, count++);
317 if (format != NULL) {
318 fprintf (stderr, "%s", message);
320 fprintf (stderr, "No Message");
322 fprintf (stderr, "\n");
325 return (AFBResponse);
328 // Dump a message on stderr
329 PUBLIC void jsonDumpObject (json_object * jObject) {
332 fprintf (stderr, "AFB:dump [%s]\n", json_object_to_json_string(jObject));