backend/source/api/actions/export_caldav.ts
2024-10-27 19:01:33 +01:00

166 lines
3.7 KiB
TypeScript

namespace _zeitbild.api
{
/**
*/
export function register_export_caldav(
rest_subject : lib_plankton.rest.type_rest
) : void
{
register<
null,
(
lib_plankton.ical.type_vcalendar
|
string
)
>(
rest_subject,
lib_plankton.http.enum_method.get,
"/export/caldav",
{
"description": "trägt Veranstaltungen aus verschiedenen Kalendern zusammen im CalDAV-Format",
"query_parameters": () => ([
{
"name": "from",
"required": false,
"description": "UNIX timestamp",
},
{
"name": "to",
"required": false,
"description": "UNIX timestamp",
},
{
"name": "calendar_ids",
"required": false,
"description": "comma separated",
},
{
"name": "auth",
"required": true,
"description": "",
},
]),
"output_schema": () => ({
"nullable": false,
"type": "string",
}),
"response_body_mimetype": "text/calendar",
"response_body_encode": (output) => Buffer.from(
(typeof(output) === "string")
?
output
:
lib_plankton.ical.ics_encode(output)
),
"restriction": restriction_none,
"execution": async (stuff) => {
const user_id : (null | _zeitbild.type_user_id) = await (
session_from_stuff(stuff)
.then(
(session : {key : string; value : lib_plankton.session.type_session;}) => (
_zeitbild.service.user.identify(session.value.name)
.catch(x => Promise.resolve(null))
)
)
.catch(x => Promise.resolve(null))
);
const from : lib_plankton.pit.type_pit = (
("from" in stuff.query_parameters)
?
parseInt(stuff.query_parameters["from"])
:
lib_plankton.pit.shift_week(
lib_plankton.pit.now(),
-2
)
);
const to : lib_plankton.pit.type_pit = (
("to" in stuff.query_parameters)
?
parseInt(stuff.query_parameters["to"])
:
lib_plankton.pit.shift_week(
lib_plankton.pit.now(),
+6
)
);
const calendar_ids_wanted : (null | Array<_zeitbild.type_calendar_id>) = (
(
("calendar_ids" in stuff.query_parameters)
&&
(stuff.query_parameters["calendar_ids"] !== null)
)
?
lib_plankton.call.convey(
stuff.query_parameters["calendar_ids"],
[
(x : string) => x.split(","),
(x : Array<string>) => x.map(parseInt),
(x : Array<int>) => x.filter(y => (! isNaN(y)))
]
)
:
null
);
const auth_hash_shall : string = lib_plankton.sha256.get(
(stuff.query_parameters["calendar_ids"] ?? ""),
_zeitbild.conf.get()["misc"]["auth_salt"]
);
const auth_hash_is : string = stuff.query_parameters["auth"];
/**
* @todo remove
*/
lib_plankton.log.info(
"auth_hashes",
{
"shall": auth_hash_shall,
"is": auth_hash_is,
}
);
if (! (auth_hash_is === auth_hash_shall)) {
return Promise.resolve(
{
"status_code": 403,
"data": "not authorized",
}
);
}
else {
return (
_zeitbild.service.calendar.gather_events(
calendar_ids_wanted,
from,
to,
user_id
)
.then(
(data) => Promise.resolve(
{
"status_code": 200,
"data": _zeitbild.helpers.ical_vcalendar_from_own_event_list(
data.map(entry => entry.event_object)
)
}
)
)
.catch(
(reason) => Promise.resolve(
{
"status_code": 403,
"data": String(reason),
}
)
)
);
}
}
}
);
}
}