/*
- * Copyright (C) 2015, 2016, 2017 IoT.bzh
- * Author "Fulup Ar Foll"
+ * Copyright (C) 2015-2018 "IoT.bzh"
+ * Author José Bollo <jose.bollo@iot.bzh>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
*/
#define _GNU_SOURCE /* See feature_test_macros(7) */
+#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <assert.h>
+#include <signal.h>
+#include <errno.h>
#include <json-c/json.h>
-#define AFB_BINDING_VERSION 2
+#define AFB_BINDING_VERSION 3
#include <afb/afb-binding.h>
#include "verbose.h"
#include "utils-systemd.h"
-#include "afm.h"
#include "afm-udb.h"
#include "afm-urun.h"
#include "wgt-info.h"
#include "wgtpkg-uninstall.h"
#include "wrap-json.h"
+/*
+ * constant strings
+ */
static const char _added_[] = "added";
static const char _a_l_c_[] = "application-list-changed";
+static const char _bad_request_[] = "bad-request";
+static const char _cannot_start_[] = "cannot-start";
static const char _detail_[] = "detail";
static const char _id_[] = "id";
static const char _install_[] = "install";
+static const char _lang_[] = "lang";
static const char _not_found_[] = "not-found";
+static const char _not_running_[] = "not-running";
static const char _once_[] = "once";
static const char _pause_[] = "pause";
static const char _resume_[] = "resume";
static const char _state_[] = "state";
static const char _terminate_[] = "terminate";
static const char _uninstall_[] = "uninstall";
+static const char _update_[] = "update";
+/*
+ * the permissions
+ */
+static const struct afb_auth
+ auth_perm_widget = {
+ .type = afb_auth_Permission,
+ .text = "urn:AGL:permission:afm:system:widget"
+ },
+ auth_perm_widget_install = {
+ .type = afb_auth_Permission,
+ .text = "urn:AGL:permission:afm:system:widget:install"
+ },
+ auth_perm_widget_uninstall = {
+ .type = afb_auth_Permission,
+ .text = "urn:AGL:permission:afm:system:widget:uninstall"
+ },
+ auth_perm_widget_preinstall = {
+ .type = afb_auth_Permission,
+ .text = "urn:AGL:permission:afm:system:widget:preinstall"
+ },
+ auth_perm_widget_detail = {
+ .type = afb_auth_Permission,
+ .text = "urn:AGL:permission:afm:system:widget:detail"
+ },
+ auth_perm_widget_start = {
+ .type = afb_auth_Permission,
+ .text = "urn:AGL:permission:afm:system:widget:start"
+ },
+ auth_perm_widget_view_all = {
+ .type = afb_auth_Permission,
+ .text = "urn:AGL:permission:afm:system:widget:view-all"
+ },
+ auth_perm_runner = {
+ .type = afb_auth_Permission,
+ .text = "urn:AGL:permission:afm:system:runner"
+ },
+ auth_perm_runner_state = {
+ .type = afb_auth_Permission,
+ .text = "urn:AGL:permission:afm:system:runner:state"
+ },
+ auth_perm_runner_kill = {
+ .type = afb_auth_Permission,
+ .text = "urn:AGL:permission:afm:system:runner:kill"
+ },
+
+ auth_install = {
+ .type = afb_auth_Or,
+ .first = &auth_perm_widget,
+ .next = &auth_perm_widget_install
+ },
+ auth_uninstall = {
+ .type = afb_auth_Or,
+ .first = &auth_perm_widget,
+ .next = &auth_perm_widget_uninstall
+ },
+ auth_preinstall = {
+ .type = afb_auth_Or,
+ .first = &auth_perm_widget,
+ .next = &auth_perm_widget_preinstall
+ },
+ auth_detail = {
+ .type = afb_auth_Or,
+ .first = &auth_perm_widget,
+ .next = &auth_perm_widget_detail
+ },
+ auth_start = {
+ .type = afb_auth_Or,
+ .first = &auth_perm_widget,
+ .next = &auth_perm_widget_start
+ },
+ auth_view_all = {
+ .type = afb_auth_Or,
+ .first = &auth_perm_widget,
+ .next = &auth_perm_widget_view_all
+ },
+ auth_state = {
+ .type = afb_auth_Or,
+ .first = &auth_perm_runner,
+ .next = &auth_perm_runner_state
+ },
+ auth_kill = {
+ .type = afb_auth_Or,
+ .first = &auth_perm_runner,
+ .next = &auth_perm_runner_kill
+ }
+;
+
+/*
+ * default root
+ */
static const char *rootdir = FWK_APP_DIR;
-static struct afb_event applist_changed_event;
+
+/*
+ * the internal application database
+ */
static struct afm_udb *afudb;
+
+/*
+ * the event signaling that application list changed
+ */
+static afb_event_t applist_changed_event;
+
+/*
+ * the preallocated true json_object
+ */
static struct json_object *json_true;
+/* enforce daemon reload */
static void do_reloads()
{
- /* enforce daemon reload */
systemd_daemon_reload(0);
systemd_unit_restart_name(0, "sockets.target");
}
-static void bad_request(struct afb_req req)
+/* common bad request reply */
+static void bad_request(afb_req_t req)
{
- afb_req_fail(req, "bad-request", NULL);
+ afb_req_fail(req, _bad_request_, NULL);
}
-static void not_found(struct afb_req req)
+/* common not found reply */
+static void not_found(afb_req_t req)
{
afb_req_fail(req, _not_found_, NULL);
}
-static void cant_start(struct afb_req req)
+/* common not running reply */
+static void not_running(afb_req_t req)
+{
+ afb_req_fail(req, _not_running_, NULL);
+}
+
+/* common can't start reply */
+static void cant_start(afb_req_t req)
{
- afb_req_fail(req, "cannot-start", NULL);
+ afb_req_fail(req, _cannot_start_, NULL);
}
/*
}
/*
- * retrieves the 'runid' in parameters received with the
+ * Retrieve the required language from 'req'.
+ */
+static const char *get_lang(afb_req_t req)
+{
+ const char *lang;
+
+ /* get the optional language */
+ lang = afb_req_value(req, _lang_);
+
+ /* TODO use the req to get the lang of the session (if any) */
+
+ return lang;
+}
+
+
+/*
+ * retrieves the 'appid' in parameters received with the
* request 'req' for the 'method'.
*
* Returns 1 in case of success.
- * Otherwise, if the 'runid' can't be retrived, an error stating
+ * Otherwise, if the 'appid' can't be retrieved, an error stating
* the bad request is replied for 'req' and 0 is returned.
*/
-static int onrunid(struct afb_req req, const char *method, int *runid)
+static int onappid(afb_req_t req, const char *method, const char **appid)
{
struct json_object *json;
+ /* get the paramaters of the request */
json = afb_req_json(req);
- if (wrap_json_unpack(json, "s", runid)
- || wrap_json_unpack(json, "{ss}", "runid", runid)) {
- INFO("bad request method %s: %s", method,
+
+ /* get the appid if any */
+ if (!wrap_json_unpack(json, "s", appid)
+ || !wrap_json_unpack(json, "{ss}", _id_, appid)) {
+ /* found */
+ INFO("method %s called for %s", method, *appid);
+ return 1;
+ }
+
+ /* nothing appropriate */
+ INFO("bad request method %s: %s", method,
json_object_to_json_string(json));
- bad_request(req);
+ bad_request(req);
+ return 0;
+}
+
+/*
+ * retrieves the 'runid' in parameters received with the
+ * request 'req' for the 'method'.
+ *
+ * Returns 1 in case of success.
+ * Otherwise, if the 'runid' can't be retrieved, an error stating
+ * the bad request is replied for 'req' and 0 is returned.
+ */
+static int onrunid(afb_req_t req, const char *method, int *runid)
+{
+ struct json_object *json;
+ const char *appid;
+
+ /* get the paramaters of the request */
+ json = afb_req_json(req);
+
+ /* get the runid if any */
+ if (!wrap_json_unpack(json, "i", runid)
+ || !wrap_json_unpack(json, "{si}", _runid_, runid)) {
+ INFO("method %s called for %d", method, *runid);
+ return 1;
+ }
+
+ /* get the appid if any */
+ if (!onappid(req, method, &appid))
+ return 0;
+
+ /* search the runid of the appid */
+ *runid = afm_urun_search_runid(afudb, appid, afb_req_get_uid(req));
+ if (*runid < 0) {
+ /* nothing appropriate */
+ INFO("method %s can't get runid for %s: %m", method,
+ appid);
+ if (errno == ESRCH)
+ not_running(req);
+ else
+ not_found(req);
return 0;
}
- INFO("method %s called for %d", method, *runid);
+ /* found */
+ INFO("method %s called for %s -> %d", method, appid, *runid);
return 1;
}
* Sends the reply 'resp' to the request 'req' if 'resp' is not NULLzero.
* Otherwise, when 'resp' is NULL replies the error string 'errstr'.
*/
-static void reply(struct afb_req req, struct json_object *resp, const char *errstr)
+static void reply(afb_req_t req, struct json_object *resp)
{
- if (!resp)
- afb_req_fail(req, errstr, NULL);
+ if (resp)
+ afb_req_reply(req, resp, NULL, NULL);
else
- afb_req_success(req, resp, NULL);
+ afb_req_reply(req, NULL, "failed", strerror(errno));
}
/*
* Sends the reply "true" to the request 'req' if 'status' is zero.
* Otherwise, when 'status' is not zero replies the error string 'errstr'.
*/
-static void reply_status(struct afb_req req, int status, const char *errstr)
+static void reply_status(afb_req_t req, int status)
{
- reply(req, status ? NULL : json_object_get(json_true), errstr);
+ reply(req, status ? NULL : json_object_get(json_true));
}
/*
* On query "runnables"
*/
-static void runnables(struct afb_req req)
+static void runnables(afb_req_t req)
{
+ const char *lang;
struct json_object *resp;
- INFO("method runnables called");
- resp = afm_udb_applications_public(afudb, afb_req_get_uid(req));
+
+ /* get the language */
+ lang = get_lang(req);
+
+ /* get the details */
+ resp = afm_udb_applications_public(afudb, afb_req_get_uid(req), lang);
afb_req_success(req, resp, NULL);
}
/*
* On query "detail"
*/
-static void detail(struct afb_req req)
+static void detail(afb_req_t req)
{
+ const char *lang;
const char *appid;
- struct json_object *resp, *json;
+ struct json_object *resp;
/* scan the request */
- json = afb_req_json(req);
- if (wrap_json_unpack(json, "s", &appid)
- || wrap_json_unpack(json, "{ss}", _id_, &appid)) {
- bad_request(req);
+ if (!onappid(req, _detail_, &appid))
return;
- }
+
+ /* get the language */
+ lang = get_lang(req);
/* wants details for appid */
- INFO("method detail called for %s", appid);
- resp = afm_udb_get_application_public(afudb, appid, afb_req_get_uid(req));
+ resp = afm_udb_get_application_public(afudb, appid, afb_req_get_uid(req), lang);
if (resp)
afb_req_success(req, resp, NULL);
else
/*
* On query "start"
*/
-static void start(struct afb_req req)
+static void start(afb_req_t req)
{
const char *appid;
- struct json_object *appli, *resp, *json;
+ struct json_object *appli, *resp;
int runid;
/* scan the request */
- json = afb_req_json(req);
- if (wrap_json_unpack(json, "s", &appid)
- || wrap_json_unpack(json, "{ss}", _id_, &appid)) {
- bad_request(req);
+ if (!onappid(req, _start_, &appid))
return;
- }
/* get the application */
- INFO("method start called for %s", appid);
appli = afm_udb_get_application_private(afudb, appid, afb_req_get_uid(req));
if (appli == NULL) {
not_found(req);
/* returns */
resp = NULL;
+#if 0
wrap_json_pack(&resp, "{si}", _runid_, runid);
+#else
+ wrap_json_pack(&resp, "i", runid);
+#endif
afb_req_success(req, resp, NULL);
}
/*
* On query "once"
*/
-static void once(struct afb_req req)
+static void once(afb_req_t req)
{
const char *appid;
- struct json_object *appli, *resp, *json;
+ struct json_object *appli, *resp;
int runid;
/* scan the request */
- json = afb_req_json(req);
- if (wrap_json_unpack(json, "s", &appid)
- || wrap_json_unpack(json, "{ss}", _id_, &appid)) {
- bad_request(req);
+ if (!onappid(req, _once_, &appid))
return;
- }
/* get the application */
- INFO("method once called for %s", appid);
appli = afm_udb_get_application_private(afudb, appid, afb_req_get_uid(req));
if (appli == NULL) {
not_found(req);
/*
* On query "pause"
*/
-static void pause(struct afb_req req)
+static void pause(afb_req_t req)
{
int runid, status;
if (onrunid(req, "pause", &runid)) {
status = afm_urun_pause(runid, afb_req_get_uid(req));
- reply_status(req, status, _not_found_);
+ reply_status(req, status);
}
}
/*
* On query "resume" from 'smsg' with parameters of 'obj'.
*/
-static void resume(struct afb_req req)
+static void resume(afb_req_t req)
{
int runid, status;
if (onrunid(req, "resume", &runid)) {
status = afm_urun_resume(runid, afb_req_get_uid(req));
- reply_status(req, status, _not_found_);
+ reply_status(req, status);
}
}
/*
* On query "terminate"
*/
-static void terminate(struct afb_req req)
+static void terminate(afb_req_t req)
{
int runid, status;
if (onrunid(req, "terminate", &runid)) {
status = afm_urun_terminate(runid, afb_req_get_uid(req));
- reply_status(req, status, _not_found_);
+ reply_status(req, status);
}
}
/*
* On query "runners"
*/
-static void runners(struct afb_req req)
+static void runners(afb_req_t req)
{
struct json_object *resp;
- INFO("method runners called");
resp = afm_urun_list(afudb, afb_req_get_uid(req));
afb_req_success(req, resp, NULL);
}
/*
* On query "state"
*/
-static void state(struct afb_req req)
+static void state(afb_req_t req)
{
int runid;
struct json_object *resp;
if (onrunid(req, "state", &runid)) {
resp = afm_urun_state(afudb, runid, afb_req_get_uid(req));
- reply(req, resp, _not_found_);
+ reply(req, resp);
}
}
-static void install(struct afb_req req)
+/*
+ * On querying installation of widget(s)
+ */
+static void install(afb_req_t req)
{
const char *wgtfile;
const char *root;
/* scan the request */
json = afb_req_json(req);
if (wrap_json_unpack(json, "s", &wgtfile)
- || wrap_json_unpack(json, "{ss s?s s?b s?b}",
+ && wrap_json_unpack(json, "{ss s?s s?b s?b}",
"wgt", &wgtfile,
"root", &root,
"force", &force,
if (ifo == NULL)
afb_req_fail_f(req, "failed", "installation failed: %m");
else {
+ afm_udb_update(afudb);
/* reload if needed */
if (reload)
do_reloads();
}
}
-static void uninstall(struct afb_req req)
+/*
+ * On querying uninstallation of widget(s)
+ */
+static void uninstall(afb_req_t req)
{
const char *idaver;
const char *root;
/* scan the request */
json = afb_req_json(req);
if (wrap_json_unpack(json, "s", &idaver)
- || wrap_json_unpack(json, "{ss s?s}",
+ && wrap_json_unpack(json, "{ss s?s}",
_id_, &idaver,
"root", &root)) {
return bad_request(req);
if (rc)
afb_req_fail_f(req, "failed", "uninstallation failed: %m");
else {
+ afm_udb_update(afudb);
afb_req_success(req, NULL, NULL);
application_list_changed(_uninstall_, idaver);
}
}
-static int init()
+static void onsighup(int signal)
{
+ afm_udb_update(afudb);
+ application_list_changed(_update_, _update_);
+}
+
+static int init(afb_api_t api)
+{
+ /* create TRUE */
+ json_true = json_object_new_boolean(1);
+
/* init database */
afudb = afm_udb_create(1, 0, "afm-appli-");
if (!afudb) {
return -1;
}
- /* set the systemd's buses */
- systemd_set_bus(0, afb_daemon_get_system_bus());
- systemd_set_bus(1, afb_daemon_get_user_bus());
-
- /* create TRUE */
- json_true = json_object_new_boolean(1);
+ signal(SIGHUP, onsighup);
/* create the event */
- applist_changed_event = afb_daemon_make_event(_a_l_c_);
+ applist_changed_event = afb_api_make_event(api, _a_l_c_);
return -!afb_event_is_valid(applist_changed_event);
}
-static const struct afb_auth
- auth_install = {
- .type = afb_auth_Permission,
- .text = "urn:AGL:permission:afm:system:widget:install"
- },
- auth_uninstall = {
- .type = afb_auth_Permission,
- .text = "urn:AGL:permission:afm:system:widget:uninstall"
- }
-;
-
-static const struct afb_verb_v2 verbs[] =
+static const afb_verb_t verbs[] =
{
- {_runnables_, runnables, NULL, "Get list of runnable applications", AFB_SESSION_CHECK_V2 },
- {_detail_ , detail, NULL, "Get the details for one application", AFB_SESSION_CHECK_V2 },
- {_start_ , start, NULL, "Start an application", AFB_SESSION_CHECK_V2 },
- {_once_ , once, NULL, "Start once an application", AFB_SESSION_CHECK_V2 },
- {_terminate_, terminate, NULL, "Terminate a running application", AFB_SESSION_CHECK_V2 },
- {_pause_ , pause, NULL, "Pause a running application", AFB_SESSION_CHECK_V2 },
- {_resume_ , resume, NULL, "Resume a paused application", AFB_SESSION_CHECK_V2 },
- {_runners_ , runners, NULL, "Get the list of running applications", AFB_SESSION_CHECK_V2 },
- {_state_ , state, NULL, "Get the state of a running application", AFB_SESSION_CHECK_V2 },
- {_install_ , install, NULL, "Install an application using a widget file", AFB_SESSION_CHECK_V2 },
- {_uninstall_, uninstall, NULL, "Uninstall an application", AFB_SESSION_CHECK_V2 },
- { NULL, NULL, NULL, NULL, 0 }
+ {.verb=_runnables_, .callback=runnables, .auth=&auth_detail, .info="Get list of runnable applications", .session=AFB_SESSION_CHECK },
+ {.verb=_detail_ , .callback=detail, .auth=&auth_detail, .info="Get the details for one application", .session=AFB_SESSION_CHECK },
+ {.verb=_start_ , .callback=start, .auth=&auth_start, .info="Start an application", .session=AFB_SESSION_CHECK },
+ {.verb=_once_ , .callback=once, .auth=&auth_start, .info="Start once an application", .session=AFB_SESSION_CHECK },
+ {.verb=_terminate_, .callback=terminate, .auth=&auth_kill, .info="Terminate a running application", .session=AFB_SESSION_CHECK },
+ {.verb=_pause_ , .callback=pause, .auth=&auth_kill, .info="Pause a running application", .session=AFB_SESSION_CHECK },
+ {.verb=_resume_ , .callback=resume, .auth=&auth_kill, .info="Resume a paused application", .session=AFB_SESSION_CHECK },
+ {.verb=_runners_ , .callback=runners, .auth=&auth_state, .info="Get the list of running applications", .session=AFB_SESSION_CHECK },
+ {.verb=_state_ , .callback=state, .auth=&auth_state, .info="Get the state of a running application", .session=AFB_SESSION_CHECK },
+ {.verb=_install_ , .callback=install, .auth=&auth_install, .info="Install an application using a widget file", .session=AFB_SESSION_CHECK },
+ {.verb=_uninstall_, .callback=uninstall, .auth=&auth_uninstall, .info="Uninstall an application", .session=AFB_SESSION_CHECK },
+ {.verb=NULL }
};
-const struct afb_binding_v2 afbBindingV2 = {
+const afb_binding_t afbBindingExport = {
.api = "afm-main",
.specification = NULL,
.info = "Application Framework Master Service",
.preinit = NULL,
.init = init,
.onevent = NULL,
- .noconcurrency = 1 /* relies on binder for serialisation of requests */
+ .noconcurrency = 1 /* relies on binder for serialization of requests */
};