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#include <afb/c++/binding>
#include <json-c/json.h>
#include <string.h>
class tuto5
: public afb::base_api_t<tuto5>
{
private:
afb::event event_login;
afb::event event_logout;
public:
void login(afb::req req)
{
json_object *user, *passwd;
json_object* args = req.json();
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));
req.fail("bad-request");
} else if (afb_req_context_get(req)) {
AFB_REQ_ERROR(req, "login, bad state, logout first");
req.fail("bad-state");
} else if (std::string(json_object_get_string(passwd)) != std::string("please")) {
AFB_REQ_ERROR(req, "login, unauthorized: %s", json_object_get_string(args));
req.fail("unauthorized");
} else {
char* username = strdup(json_object_get_string(user));
AFB_REQ_NOTICE(req, "login user: %s", username);
req.session_set_LOA(1);
afb_req_context_set(req, username, free);
req.success();
event_login.push(json_object_new_string(username));
}
}
void action(afb::req req) const
{
json_object* val;
json_object* args = req.json();
char* username = reinterpret_cast<char*>(afb_req_context_get(req));
AFB_REQ_NOTICE(req, "action for user %s: %s", username, 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", username);
req.subscribe(event_login);
req.subscribe(event_logout);
} else {
AFB_REQ_NOTICE(req, "user %s unsubscribes to events", username);
req.unsubscribe(event_login);
req.unsubscribe(event_logout);
}
}
req.success(json_object_get(args));
}
void logout(afb::req req)
{
char* username = reinterpret_cast<char*>(afb_req_context_get(req));
AFB_REQ_NOTICE(req, "login user %s out", username);
event_logout.push(json_object_new_string(username));
req.session_set_LOA(0);
afb_req_context_clear(req);
req.success();
}
int preinit(afb_api_t h) override
{
return !(
(add_verb<&tuto5::login>("login", "log in the system") == 0) &&
(add_verb<&tuto5::action>("action", "perform an action", nullptr, nullptr, AFB_SESSION_LOA_1) == 0) &&
(add_verb<&tuto5::logout>("logout", "log out the system", nullptr, nullptr, AFB_SESSION_LOA_1) == 0)
);
}
int init() override
{
AFB_API_NOTICE(api_, "init");
event_login = make_event("login");
event_logout = make_event("logout");
if (event_login.is_valid() && event_logout.is_valid())
return 0;
AFB_API_ERROR(api_, "Can't create events");
return -1;
}
};
int afbBindingEntry(afb_api_t h)
{
afb::new_api<tuto5>(h, "tuto-5", "fifth tutorial: C++");
return 0;
}
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