rustical_caldav/calendar/methods/
get.rs1use crate::Error;
2use crate::calendar::CalendarResourceService;
3use axum::body::Body;
4use axum::extract::State;
5use axum::{extract::Path, response::Response};
6use caldata::component::IcalCalendar;
7use caldata::generator::Emitter;
8use caldata::parser::ContentLine;
9use headers::{ContentType, HeaderMapExt};
10use http::{HeaderValue, Method, StatusCode, header};
11use rustical_dav::rfc_3986_percent_encode;
12use rustical_dav_push::DavPushStore;
13use rustical_store::{CalendarStore, auth::Principal};
14use std::str::FromStr;
15use tracing::instrument;
16
17#[instrument(skip(cal_store))]
18pub async fn route_get<C: CalendarStore, DP: DavPushStore>(
19 Path((principal, calendar_id)): Path<(String, String)>,
20 State(CalendarResourceService { cal_store, .. }): State<CalendarResourceService<C, DP>>,
21 user: Principal,
22 method: Method,
23) -> Result<Response, Error> {
24 if !user.is_principal(&principal) {
25 return Err(crate::Error::Unauthorized);
26 }
27
28 let calendar = cal_store
29 .get_calendar(&principal, &calendar_id, true)
30 .await?;
31 if !user.is_principal(&calendar.principal) {
32 return Err(crate::Error::Unauthorized);
33 }
34
35 let objects = cal_store
36 .get_objects(&principal, &calendar_id)
37 .await?
38 .into_iter()
39 .map(|(_, object)| object.into())
40 .collect();
41
42 let mut props = vec![];
43
44 if let Some(ref displayname) = calendar.meta.displayname {
45 props.push(ContentLine {
46 name: "X-WR-CALNAME".to_owned(),
47 value: displayname.clone(),
48 params: vec![].into(),
49 });
50 }
51 if let Some(description) = calendar.meta.description {
52 props.push(ContentLine {
53 name: "X-WR-CALDESC".to_owned(),
54 value: description,
55 params: vec![].into(),
56 });
57 }
58 if let Some(color) = calendar.meta.color {
59 props.push(ContentLine {
60 name: "X-WR-CALCOLOR".to_owned(),
61 value: color,
62 params: vec![].into(),
63 });
64 }
65 if let Some(timezone_id) = calendar.timezone_id {
66 props.push(ContentLine {
67 name: "X-WR-TIMEZONE".to_owned(),
68 value: timezone_id,
69 params: vec![].into(),
70 });
71 }
72
73 let export_calendar = IcalCalendar::from_objects("RustiCal Export".to_owned(), objects, props);
74
75 let mut resp = Response::builder().status(StatusCode::OK);
76 let hdrs = resp.headers_mut().unwrap();
77 hdrs.typed_insert(ContentType::from_str("text/calendar; charset=utf-8").unwrap());
78
79 let filename = format!(
80 "{}_{}{}.ics",
81 calendar.principal,
82 calendar.id,
83 calendar
84 .meta
85 .displayname
86 .as_deref()
87 .map(|name| format!("_{name}"))
88 .unwrap_or_default()
89 );
90 let filename = rfc_3986_percent_encode(&filename);
91 hdrs.insert(
92 header::CONTENT_DISPOSITION,
93 HeaderValue::from_str(&format!(
94 "attachement; filename*=UTF-8''{filename}; filename={filename}",
95 ))
96 .unwrap(),
97 );
98 if matches!(method, Method::HEAD) {
99 Ok(resp.body(Body::empty()).unwrap())
100 } else {
101 Ok(resp.body(Body::new(export_calendar.generate())).unwrap())
102 }
103}