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#include <string.h>
#include <json-c/json.h>
#define AFB_BINDING_VERSION 3
#include <afb/afb-binding.h>
afb_event_t event_login, event_logout;
void login(afb_req_t req)
{
json_object *args, *user, *passwd;
char *usr;
args = afb_req_json(req);
if (!json_object_object_get_ex(args, "user", &user)
|| !json_object_object_get_ex(args, "password", &passwd)) {
AFB_REQ_ERROR(req, "login, bad request: %s", json_object_get_string(args));
afb_req_reply(req, NULL, "bad-request", NULL);
} else if (afb_req_context_get(req)) {
AFB_REQ_ERROR(req, "login, bad state, logout first");
afb_req_reply(req, NULL, "bad-state", NULL);
} else if (strcmp(json_object_get_string(passwd), "please")) {
AFB_REQ_ERROR(req, "login, unauthorized: %s", json_object_get_string(args));
afb_req_reply(req, NULL, "unauthorized", NULL);
} else {
usr = strdup(json_object_get_string(user));
AFB_REQ_NOTICE(req, "login user: %s", usr);
afb_req_session_set_LOA(req, 1);
afb_req_context_set(req, usr, free);
afb_req_reply(req, NULL, NULL, NULL);
afb_event_push(event_login, json_object_new_string(usr));
}
}
void action(afb_req_t req)
{
json_object *args, *val;
char *usr;
args = afb_req_json(req);
usr = afb_req_context_get(req);
AFB_REQ_NOTICE(req, "action for user %s: %s", usr, json_object_get_string(args));
if (json_object_object_get_ex(args, "subscribe", &val)) {
if (json_object_get_boolean(val)) {
AFB_REQ_NOTICE(req, "user %s subscribes to events", usr);
afb_req_subscribe(req, event_login);
afb_req_subscribe(req, event_logout);
} else {
AFB_REQ_NOTICE(req, "user %s unsubscribes to events", usr);
afb_req_unsubscribe(req, event_login);
afb_req_unsubscribe(req, event_logout);
}
}
afb_req_reply(req, json_object_get(args), NULL, NULL);
}
void logout(afb_req_t req)
{
char *usr;
usr = afb_req_context_get(req);
AFB_REQ_NOTICE(req, "login user %s out", usr);
afb_event_push(event_logout, json_object_new_string(usr));
afb_req_session_set_LOA(req, 0);
afb_req_context_clear(req);
afb_req_reply(req, NULL, NULL, NULL);
}
int preinit(afb_api_t api)
{
AFB_API_NOTICE(api, "preinit");
return 0;
}
int init(afb_api_t api)
{
AFB_API_NOTICE(api, "init");
event_login = afb_api_make_event(api, "login");
event_logout = afb_api_make_event(api, "logout");
if (afb_event_is_valid(event_login) && afb_event_is_valid(event_logout))
return 0;
AFB_API_ERROR(api, "Can't create events");
return -1;
}
const afb_verb_t verbs[] = {
{ .verb="login", .callback=login },
{ .verb="action", .callback=action, .session=AFB_SESSION_LOA_1 },
{ .verb="logout", .callback=logout, .session=AFB_SESSION_LOA_1 },
{ .verb=NULL }
};
const afb_binding_t afbBindingExport = {
.api = "tuto-2",
.specification = NULL,
.verbs = verbs,
.preinit = preinit,
.init = init,
.noconcurrency = 0
};
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