X-Git-Url: https://gerrit.automotivelinux.org/gerrit/gitweb?a=blobdiff_plain;f=src%2Fsession.c;h=11f535b3f87a9d543f91a460a234c63cd068cda0;hb=54b2652e94cfa7840dbebcba46edd5459e7c6e86;hp=4877acf799ef1e9a85bfcf3a6e60d71719a094ba;hpb=3f13bc8ca416e6318bcbd199113a2cd69b11b2b6;p=src%2Fapp-framework-binder.git
diff --git a/src/session.c b/src/session.c
index 4877acf7..11f535b3 100644
--- a/src/session.c
+++ b/src/session.c
@@ -14,572 +14,265 @@
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see .
- *
- * Reference:
+ *
+ * Reference:
* http://stackoverflow.com/questions/25971505/how-to-delete-element-from-hsearch
*
*/
-
-#include "local-def.h"
-#include
-#include
+#define _GNU_SOURCE
+#include
#include
-#include
-#include
#include
-#include
-
-
-#define AFB_SESSION_JTYPE "AFB_session"
-#define AFB_SESSION_JLIST "AFB_sessions.hash"
-#define AFB_SESSION_JINFO "AFB_infos"
+#include
+#include
+#include
+#include
+#include "afb-apis.h"
+#include "session.h"
-#define AFB_CURRENT_SESSION "active-session" // file link name within sndcard dir
-#define AFB_DEFAULT_SESSION "current-session" // should be in sync with UI
+#define NOW (time(NULL))
// Session UUID are store in a simple array [for 10 sessions this should be enough]
static struct {
pthread_mutex_t mutex; // declare a mutex to protect hash table
- AFB_clientCtx **store; // sessions store
+ struct AFB_clientCtx **store; // sessions store
int count; // current number of sessions
int max;
+ int timeout;
+ int apicount;
+ const char *initok;
} sessions;
-// verify we can read/write in session dir
-PUBLIC AFB_error sessionCheckdir (AFB_session *session) {
-
- int err;
-
- // in case session dir would not exist create one
- if (verbose) fprintf (stderr, "AFB:notice checking session dir [%s]\n", session->config->sessiondir);
- mkdir(session->config->sessiondir, S_IRWXU | S_IRWXG | S_IROTH | S_IXOTH);
-
- // change for session directory
- err = chdir(session->config->sessiondir);
- if (err) {
- fprintf(stderr,"AFB: Fail to chdir to %s error=%s\n", session->config->sessiondir, strerror(err));
- return err;
- }
-
- // verify we can write session in directory
- json_object *dummy= json_object_new_object();
- json_object_object_add (dummy, "checked" , json_object_new_int (getppid()));
- err = json_object_to_file ("./AFB-probe.json", dummy);
- if (err < 0) return err;
-
- return AFB_SUCCESS;
-}
-
-// let's return only sessions.hash files
-STATIC int fileSelect (const struct dirent *entry) {
- return (strstr (entry->d_name, ".afb") != NULL);
-}
-
-STATIC json_object *checkCardDirExit (AFB_session *session, AFB_request *request ) {
- int sessionDir, cardDir;
-
- // card name should be more than 3 character long !!!!
- if (strlen (request->plugin) < 3) {
- return (jsonNewMessage (AFB_FAIL,"Fail invalid plugin=%s", request->plugin));
- }
-
- // open session directory
- sessionDir = open (session->config->sessiondir, O_DIRECTORY);
- if (sessionDir < 0) {
- return (jsonNewMessage (AFB_FAIL,"Fail to open directory [%s] error=%s", session->config->sessiondir, strerror(sessionDir)));
- }
-
- // create session sndcard directory if it does not exit
- cardDir = openat (sessionDir, request->plugin, O_DIRECTORY);
- if (cardDir < 0) {
- cardDir = mkdirat (sessionDir, request->plugin, O_RDWR | S_IRWXU | S_IRGRP);
- if (cardDir < 0) {
- return (jsonNewMessage (AFB_FAIL,"Fail to create directory [%s/%s] error=%s", session->config->sessiondir, request->plugin, strerror(cardDir)));
- }
- }
- close (sessionDir);
- return NULL;
-}
-
-// create a session in current directory
-PUBLIC json_object *sessionList (AFB_session *session, AFB_request *request) {
- json_object *sessionsJ, *ajgResponse;
- struct stat fstat;
- struct dirent **namelist;
- int count, sessionDir;
-
- // if directory for card's sessions.hash does not exist create it
- ajgResponse = checkCardDirExit (session, request);
- if (ajgResponse != NULL) return ajgResponse;
-
- // open session directory
- sessionDir = open (session->config->sessiondir, O_DIRECTORY);
- if (sessionDir < 0) {
- return (jsonNewMessage (AFB_FAIL,"Fail to open directory [%s] error=%s", session->config->sessiondir, strerror(sessionDir)));
- }
-
- count = scandirat (sessionDir, request->plugin, &namelist, fileSelect, alphasort);
- close (sessionDir);
-
- if (count < 0) {
- return (jsonNewMessage (AFB_FAIL,"Fail to scan sessions.hash directory [%s/%s] error=%s", session->config->sessiondir, request->plugin, strerror(sessionDir)));
- }
- if (count == 0) return (jsonNewMessage (AFB_EMPTY,"[%s] no session at [%s]", request->plugin, session->config->sessiondir));
-
- // loop on each session file, retrieve its date and push it into json response object
- sessionsJ = json_object_new_array();
- while (count--) {
- json_object *sessioninfo;
- char timestamp [64];
- char *filename;
-
- // extract file name and last modification date
- filename = namelist[count]->d_name;
- printf("%s\n", filename);
- stat(filename,&fstat);
- strftime (timestamp, sizeof(timestamp), "%c", localtime (&fstat.st_mtime));
- filename[strlen(filename)-4] = '\0'; // remove .afb extension from filename
-
- // create an object by session with last update date
- sessioninfo = json_object_new_object();
- json_object_object_add (sessioninfo, "date" , json_object_new_string (timestamp));
- json_object_object_add (sessioninfo, "session" , json_object_new_string (filename));
- json_object_array_add (sessionsJ, sessioninfo);
-
- free(namelist[count]);
- }
-
- // free scandir structure
- free(namelist);
-
- // everything is OK let's build final response
- ajgResponse = json_object_new_object();
- json_object_object_add (ajgResponse, "jtype" , json_object_new_string (AFB_SESSION_JLIST));
- json_object_object_add (ajgResponse, "status" , jsonNewStatus(AFB_SUCCESS));
- json_object_object_add (ajgResponse, "data" , sessionsJ);
-
- return (ajgResponse);
-}
-
-// Create a link toward last used sessionname within sndcard directory
-STATIC void makeSessionLink (const char *cardname, const char *sessionname) {
- char linkname [256], filename [256];
- int err;
- // create a link to keep track of last uploaded sessionname for this card
- strncpy (filename, sessionname, sizeof(filename));
- strncat (filename, ".afb", sizeof(filename));
-
- strncpy (linkname, cardname, sizeof(linkname));
- strncat (linkname, "/", sizeof(filename));
- strncat (linkname, AFB_CURRENT_SESSION, sizeof(linkname));
- strncat (linkname, ".afb", sizeof(filename));
- unlink (linkname); // remove previous link if any
- err = symlink (filename, linkname);
- if (err < 0) fprintf (stderr, "Fail to create link %s->%s error=%s\n", linkname, filename, strerror(errno));
-}
-
-// Load Json session object from disk
-PUBLIC json_object *sessionFromDisk (AFB_session *session, AFB_request *request, char *name) {
- json_object *jsonSession, *jtype, *response;
- const char *ajglabel;
- char filename [256];
- int defsession;
-
- if (name == NULL) {
- return (jsonNewMessage (AFB_FATAL,"session name missing &session=MySessionName"));
- }
-
- // check for current session request
- defsession = (strcmp (name, AFB_DEFAULT_SESSION) ==0);
-
- // if directory for card's sessions.hash does not exist create it
- response = checkCardDirExit (session, request);
- if (response != NULL) return response;
-
- // add name and file extension to session name
- strncpy (filename, request->plugin, sizeof(filename));
- strncat (filename, "/", sizeof(filename));
- if (defsession) strncat (filename, AFB_CURRENT_SESSION, sizeof(filename)-1);
- else strncat (filename, name, sizeof(filename)-1);
- strncat (filename, ".afb", sizeof(filename));
-
- // just upload json object and return without any further processing
- jsonSession = json_object_from_file (filename);
-
- if (jsonSession == NULL) return (jsonNewMessage (AFB_EMPTY,"File [%s] not found", filename));
-
- // verify that file is a JSON ALSA session type
- if (!json_object_object_get_ex (jsonSession, "jtype", &jtype)) {
- json_object_put (jsonSession);
- return (jsonNewMessage (AFB_EMPTY,"File [%s] 'jtype' descriptor not found", filename));
- }
-
- // check type value is AFB_SESSION_JTYPE
- ajglabel = json_object_get_string (jtype);
- if (strcmp (AFB_SESSION_JTYPE, ajglabel)) {
- json_object_put (jsonSession);
- return (jsonNewMessage (AFB_FATAL,"File [%s] jtype=[%s] != [%s]", filename, ajglabel, AFB_SESSION_JTYPE));
- }
-
- // create a link to keep track of last uploaded session for this card
- if (!defsession) makeSessionLink (request->plugin, name);
-
- return (jsonSession);
-}
-
-// push Json session object to disk
-PUBLIC json_object * sessionToDisk (AFB_session *session, AFB_request *request, char *name, json_object *jsonSession) {
- char filename [256];
- time_t rawtime;
- struct tm * timeinfo;
- int err, defsession;
- static json_object *response;
-
- // we should have a session name
- if (name == NULL) return (jsonNewMessage (AFB_FATAL,"session name missing &session=MySessionName"));
-
- // check for current session request
- defsession = (strcmp (name, AFB_DEFAULT_SESSION) ==0);
-
- // if directory for card's sessions.hash does not exist create it
- response = checkCardDirExit (session, request);
- if (response != NULL) return response;
-
- // add cardname and file extension to session name
- strncpy (filename, request->plugin, sizeof(filename));
- strncat (filename, "/", sizeof(filename));
- if (defsession) strncat (filename, AFB_CURRENT_SESSION, sizeof(filename)-1);
- else strncat (filename, name, sizeof(filename)-1);
- strncat (filename, ".afb", sizeof(filename)-1);
-
-
- json_object_object_add(jsonSession, "jtype", json_object_new_string (AFB_SESSION_JTYPE));
-
- // add a timestamp and store session on disk
- time ( &rawtime ); timeinfo = localtime ( &rawtime );
- // A copy of the string is made and the memory is managed by the json_object
- json_object_object_add (jsonSession, "timestamp", json_object_new_string (asctime (timeinfo)));
-
-
- // do we have extra session info ?
- if (request->post->type == AFB_POST_JSON) {
- static json_object *info, *jtype;
- const char *ajglabel;
-
- // extract session info from args
- info = json_tokener_parse (request->post->data);
- if (!info) {
- response = jsonNewMessage (AFB_FATAL,"sndcard=%s session=%s invalid json args=%s", request->plugin, name, request->post);
- goto OnErrorExit;
- }
-
- // info is a valid AFB_info type
- if (!json_object_object_get_ex (info, "jtype", &jtype)) {
- response = jsonNewMessage (AFB_EMPTY,"sndcard=%s session=%s No 'AFB_pluginT' args=%s", request->plugin, name, request->post);
- goto OnErrorExit;
- }
-
- // check type value is AFB_INFO_JTYPE
- ajglabel = json_object_get_string (jtype);
- if (strcmp (AFB_SESSION_JINFO, ajglabel)) {
- json_object_put (info); // release info json object
- response = jsonNewMessage (AFB_FATAL,"File [%s] jtype=[%s] != [%s] data=%s", filename, ajglabel, AFB_SESSION_JTYPE, request->post);
- goto OnErrorExit;
- }
-
- // this is valid info data for our session
- json_object_object_add (jsonSession, "info", info);
- }
-
- // Finally save session on disk
- err = json_object_to_file (filename, jsonSession);
- if (err < 0) {
- response = jsonNewMessage (AFB_FATAL,"Fail save session = [%s] to disk", filename);
- goto OnErrorExit;
- }
-
-
- // create a link to keep track of last uploaded session for this card
- if (!defsession) makeSessionLink (request->plugin, name);
-
- // we're donne let's return status message
- response = jsonNewMessage (AFB_SUCCESS,"Session= [%s] saved on disk", filename);
- json_object_put (jsonSession);
- return (response);
-
-OnErrorExit:
- json_object_put (jsonSession);
- return response;
-}
-
-
-
-
// Free context [XXXX Should be protected again memory abort XXXX]
-STATIC void ctxUuidFreeCB (AFB_clientCtx *client) {
-
- // If application add a handle let's free it now
- if (client->ctx != NULL) {
-
- // Free client handle with a standard Free function, with app callback or ignore it
- if (client->plugin->freeCtxCB == NULL) free (client->ctx);
- else if (client->plugin->freeCtxCB != (void*)-1) client->plugin->freeCtxCB(client);
- }
+static void ctxUuidFreeCB (struct AFB_clientCtx *client)
+{
+ int idx;
+
+ // If application add a handle let's free it now
+ assert (client->contexts != NULL);
+
+ // Free client handle with a standard Free function, with app callback or ignore it
+ for (idx=0; idx < sessions.apicount; idx ++) {
+ if (client->contexts[idx] != NULL) {
+ afb_apis_free_context(idx, client->contexts[idx]);
+ client->contexts[idx] = NULL;
+ }
+ }
}
// Create a new store in RAM, not that is too small it will be automatically extended
-PUBLIC void ctxStoreInit (int nbSession) {
- int res;
-
- // let's create as store as hashtable does not have any
- sessions.store = calloc (nbSession+1, sizeof(AFB_clientCtx));
- sessions.max=nbSession;
+void ctxStoreInit (int nbSession, int timeout, const char *initok)
+{
+ // let's create as store as hashtable does not have any
+ sessions.store = calloc (1 + (unsigned)nbSession, sizeof(struct AFB_clientCtx));
+ sessions.max = nbSession;
+ sessions.timeout = timeout;
+ sessions.apicount = afb_apis_count();
+ if (strlen(initok) >= 37) {
+ fprintf(stderr, "Error: initial token '%s' too long (max length 36)", initok);
+ exit(1);
+ }
+ sessions.initok = initok;
}
-STATIC AFB_clientCtx *ctxStoreSearch (const char* uuid) {
+static struct AFB_clientCtx *ctxStoreSearch (const char* uuid)
+{
int idx;
- AFB_clientCtx *client;
-
- if (uuid == NULL) return NULL;
-
+ struct AFB_clientCtx *client;
+
+ assert (uuid != NULL);
+
pthread_mutex_lock(&sessions.mutex);
-
+
for (idx=0; idx < sessions.max; idx++) {
- if (sessions.store[idx] && (0 == strcmp (uuid, sessions.store[idx]->uuid))) break;
+ client = sessions.store[idx];
+ if (client && (0 == strcmp (uuid, client->uuid)))
+ goto found;
}
-
- if (idx == sessions.max) client=NULL;
- else client= sessions.store[idx];
-
+ client = NULL;
+
+found:
pthread_mutex_unlock(&sessions.mutex);
-
- return (client);
+ return client;
}
-
-STATIC AFB_error ctxStoreDel (AFB_clientCtx *client) {
+static int ctxStoreDel (struct AFB_clientCtx *client)
+{
int idx;
int status;
- if (client == NULL) return (AFB_FAIL);
- //fprintf (stderr, "ctxStoreDel request uuid=%s count=%d\n", client->uuid, sessions.count);
-
+ assert (client != NULL);
+
pthread_mutex_lock(&sessions.mutex);
-
+
for (idx=0; idx < sessions.max; idx++) {
- if (sessions.store[idx] && (0 == strcmp (client->uuid, sessions.store[idx]->uuid))) break;
+ if (sessions.store[idx] == client) {
+ sessions.store[idx]=NULL;
+ sessions.count--;
+ status = 1;
+ goto deleted;
+ }
}
-
- if (idx == sessions.max) status=AFB_FAIL;
- else {
- sessions.count --;
- sessions.store[idx]=NULL;
- status=AFB_SUCCESS;
- }
-
+ status = 0;
+deleted:
pthread_mutex_unlock(&sessions.mutex);
-
- return (status);
-
- // plugin registered a callback let's release semaphore and cleanup now
- if ((client->plugin->freeCtxCB != NULL) && client->ctx) client->plugin->freeCtxCB(client);
+ return status;
}
-STATIC AFB_error ctxStoreAdd (AFB_clientCtx *client) {
+static int ctxStoreAdd (struct AFB_clientCtx *client)
+{
int idx;
int status;
- if (client == NULL) return (AFB_FAIL);
+
+ assert (client != NULL);
//fprintf (stderr, "ctxStoreAdd request uuid=%s count=%d\n", client->uuid, sessions.count);
-
+
pthread_mutex_lock(&sessions.mutex);
-
+
for (idx=0; idx < sessions.max; idx++) {
- if (NULL == sessions.store[idx]) break;
- }
-
- if (idx == sessions.max) status=AFB_FAIL;
- else {
- status=AFB_SUCCESS;
- sessions.count ++;
- sessions.store[idx]= client;
+ if (NULL == sessions.store[idx]) {
+ sessions.store[idx]= client;
+ sessions.count++;
+ status = 1;
+ goto added;
+ }
}
-
+ status = 0;
+added:
pthread_mutex_unlock(&sessions.mutex);
-
- return (status);
+ return status;
}
// Check if context timeout or not
-STATIC int ctxStoreToOld (AFB_clientCtx *ctx, int timeout) {
- int res;
- time_t now = time(NULL);
- res = ((ctx->timeStamp + timeout) <= now);
- return (res);
+static int ctxStoreTooOld (struct AFB_clientCtx *ctx, time_t now)
+{
+ return ctx->expiration <= now;
}
// Loop on every entry and remove old context sessions.hash
-PUBLIC int ctxStoreGarbage (const int timeout) {
- AFB_clientCtx *ctx;
- long idx;
-
- // Loop on Sessions Table and remove anything that is older than timeout
- for (idx=0; idx < sessions.max; idx++) {
- ctx=sessions.store[idx];
- if ((ctx != NULL) && (ctxStoreToOld(ctx, timeout))) {
- ctxStoreDel (ctx);
- }
- }
+static void ctxStoreCleanUp (time_t now)
+{
+ struct AFB_clientCtx *ctx;
+ long idx;
+
+ // Loop on Sessions Table and remove anything that is older than timeout
+ for (idx=0; idx < sessions.max; idx++) {
+ ctx = sessions.store[idx];
+ if (ctx != NULL && ctxStoreTooOld(ctx, now)) {
+ ctxClientClose (ctx);
+ }
+ }
}
// This function will return exiting client context or newly created client context
-PUBLIC AFB_error ctxClientGet (AFB_request *request, AFB_plugin *plugin) {
- static int cid=0;
- AFB_clientCtx *clientCtx=NULL;
- const char *uuid;
- uuid_t newuuid;
- int ret;
-
- if (request->config->token == NULL) return AFB_EMPTY;
-
- // Check if client as a context or not inside the URL
- uuid = MHD_lookup_connection_value(request->connection, MHD_GET_ARGUMENT_KIND, "uuid");
-
- // if UUID in query we're restfull with no cookies otherwise check for cookie
- if (uuid != NULL) request->restfull = TRUE;
- else {
- request->restfull = FALSE;
- uuid = MHD_lookup_connection_value (request->connection, MHD_COOKIE_KIND, COOKIE_NAME);
- };
-
- // Warning when no cookie defined MHD_lookup_connection_value may return something !!!
- if ((uuid != NULL) && (strnlen (uuid, 10) >= 10)) {
- int search;
- // search if client context exist and it not timeout let's use it
- clientCtx = ctxStoreSearch (uuid);
-
+struct AFB_clientCtx *ctxClientGetForUuid (const char *uuid)
+{
+ uuid_t newuuid;
+ struct AFB_clientCtx *clientCtx;
+ time_t now;
+
+ /* search for an existing one not too old */
+ now = NOW;
+ ctxStoreCleanUp (now);
+ clientCtx = uuid != NULL ? ctxStoreSearch (uuid) : NULL;
if (clientCtx) {
- if (ctxStoreToOld (clientCtx, request->config->cntxTimeout)) {
- // this session is too old let's delete it
- ctxStoreDel (clientCtx);
- clientCtx=NULL;
- } else {
- request->client=clientCtx;
- return (AFB_SUCCESS);
- }
+ clientCtx->refcount++;
+ return clientCtx;
}
- }
-
- // we have no session let's create one otherwise let's clean any exiting values
- if (clientCtx == NULL) clientCtx = calloc(1, sizeof(AFB_clientCtx)); // init NULL clientContext
- uuid_generate(newuuid); // create a new UUID
- uuid_unparse_lower(newuuid, clientCtx->uuid);
- clientCtx->cid=cid++; // simple application uniqueID
- clientCtx->plugin = plugin; // provide plugin callbacks a hook to plugin
- clientCtx->plugin; // provide plugin callbacks a hook to plugin
-
- // if table is full at 50% let's clean it up
- if(sessions.count > (sessions.max / 2)) ctxStoreGarbage(request->config->cntxTimeout);
-
- // finally add uuid into hashtable
- if (AFB_SUCCESS != ctxStoreAdd (clientCtx)) {
- free (clientCtx);
- return(AFB_FAIL);
- }
-
- // if (verbose) fprintf (stderr, "ctxClientGet New uuid=[%s] token=[%s] timestamp=%d\n", clientCtx->uuid, clientCtx->token, clientCtx->timeStamp);
- request->client = clientCtx;
- return(AFB_SUCCESS);
+ /* mimic old behaviour */
+ if (sessions.initok == NULL)
+ return NULL;
+
+ /* check the uuid if given */
+ if (uuid != NULL && 1 + strlen(uuid) >= sizeof clientCtx->uuid)
+ return NULL;
+
+ /* returns a new one */
+ clientCtx = calloc(1, sizeof(struct AFB_clientCtx)); // init NULL clientContext
+ if (clientCtx != NULL) {
+ clientCtx->contexts = calloc ((unsigned)sessions.apicount, sizeof (void*));
+ if (clientCtx->contexts != NULL) {
+ /* generate the uuid */
+ if (uuid == NULL) {
+ uuid_generate(newuuid);
+ uuid_unparse_lower(newuuid, clientCtx->uuid);
+ } else {
+ strcpy(clientCtx->uuid, uuid);
+ }
+ strcpy(clientCtx->token, sessions.initok);
+ clientCtx->expiration = now + sessions.timeout;
+ clientCtx->refcount = 1;
+ if (ctxStoreAdd (clientCtx))
+ return clientCtx;
+ free(clientCtx->contexts);
+ }
+ free(clientCtx);
+ }
+ return NULL;
}
-// Sample Generic Ping Debug API
-PUBLIC AFB_error ctxTokenCheck (AFB_request *request) {
- const char *token;
-
- if (request->client == NULL) return AFB_EMPTY;
-
- // this time have to extract token from query list
- token = MHD_lookup_connection_value(request->connection, MHD_GET_ARGUMENT_KIND, "token");
-
- // if not token is providing we refuse the exchange
- if ((token == NULL) || (request->client->token == NULL)) return (AFB_FALSE);
-
- // compare current token with previous one
- if ((0 == strcmp (token, request->client->token)) && (!ctxStoreToOld (request->client, request->config->cntxTimeout))) {
- return (AFB_SUCCESS);
- }
-
- // Token is not valid let move level of assurance to zero and free attached client handle
- return (AFB_FAIL);
+struct AFB_clientCtx *ctxClientGet(struct AFB_clientCtx *clientCtx)
+{
+ if (clientCtx != NULL)
+ clientCtx->refcount++;
+ return clientCtx;
}
-// Free Client Session Context
-PUBLIC AFB_error ctxTokenReset (AFB_request *request) {
- int ret;
- AFB_clientCtx *clientCtx;
-
- if (request->client == NULL) return AFB_EMPTY;
-
- // Search for an existing client with the same UUID
- clientCtx = ctxStoreSearch (request->client->uuid);
- if (clientCtx == NULL) return AFB_FALSE;
-
- // Remove client from table
- ctxStoreDel (clientCtx);
-
- return (AFB_SUCCESS);
+void ctxClientPut(struct AFB_clientCtx *clientCtx)
+{
+ if (clientCtx != NULL) {
+ assert(clientCtx->refcount != 0);
+ --clientCtx->refcount;
+ }
}
-// generate a new token
-PUBLIC AFB_error ctxTokenCreate (AFB_request *request) {
- int oldTnkValid;
- const char *ornew;
- uuid_t newuuid;
- const char *token;
-
- if (request->client == NULL) return AFB_EMPTY;
-
- // if config->token!="" then verify that we have the right initial share secret
- if (request->config->token[0] != '\0') {
-
- // check for initial token secret and return if not presented
- token = MHD_lookup_connection_value(request->connection, MHD_GET_ARGUMENT_KIND, "token");
- if (token == NULL) return AFB_UNAUTH;
-
- // verify that presented initial tokens fit
- if (strcmp(request->config->token, token)) return AFB_UNAUTH;
- }
-
- // create a UUID as token value
- uuid_generate(newuuid);
- uuid_unparse_lower(newuuid, request->client->token);
-
- // keep track of time for session timeout and further clean up
- request->client->timeStamp=time(NULL);
-
- // Token is also store in context but it might be convenient for plugin to access it directly
- return (AFB_SUCCESS);
+// Free Client Session Context
+void ctxClientClose (struct AFB_clientCtx *clientCtx)
+{
+ assert(clientCtx != NULL);
+ if (clientCtx->created) {
+ clientCtx->created = 0;
+ ctxUuidFreeCB (clientCtx);
+ }
+ if (clientCtx->refcount == 0)
+ ctxStoreDel (clientCtx);
}
+// Sample Generic Ping Debug API
+int ctxTokenCheck (struct AFB_clientCtx *clientCtx, const char *token)
+{
+ assert(clientCtx != NULL);
+ assert(token != NULL);
+
+ // compare current token with previous one
+ if (ctxStoreTooOld (clientCtx, NOW))
+ return 0;
+
+ if (!clientCtx->token[0] || 0 == strcmp (token, clientCtx->token)) {
+ clientCtx->created = 1; /* creates by default */
+ return 1;
+ }
+
+ // Token is not valid let move level of assurance to zero and free attached client handle
+ return 0;
+}
// generate a new token and update client context
-PUBLIC AFB_error ctxTokenRefresh (AFB_request *request) {
- int oldTnkValid;
- const char *oldornew;
- uuid_t newuuid;
-
- if (request->client == NULL) return AFB_EMPTY;
-
- // Check if the old token is valid
- if (ctxTokenCheck (request) != AFB_SUCCESS) return (AFB_FAIL);
-
- // Old token was valid let's regenerate a new one
- uuid_generate(newuuid); // create a new UUID
- uuid_unparse_lower(newuuid, request->client->token);
- return (AFB_SUCCESS);
-
+void ctxTokenNew (struct AFB_clientCtx *clientCtx)
+{
+ uuid_t newuuid;
+
+ assert(clientCtx != NULL);
+
+ // Old token was valid let's regenerate a new one
+ uuid_generate(newuuid); // create a new UUID
+ uuid_unparse_lower(newuuid, clientCtx->token);
+
+ // keep track of time for session timeout and further clean up
+ clientCtx->expiration = NOW + sessions.timeout;
}