M4: Calendar plugin (builtin) + mail HTML/attachment fixes

Calendar plugin (webmail_plugin_calendar, non-removable core plugin):
- Local calendars/events CRUD with RLS isolation; recurrence expanded at
  query time (DST-correct), EXDATE + detached-override merge.
- Calendar app bundle: month/week/day/3-day views, mini-month, event form
  (color, show-as, timezone combobox, repeat, reminders, guests w/ recipient
  autocomplete, Jitsi video call), event popover with RSVP badges, resizable/
  collapsible left panel + theme toggle, overlap layout.
- iMIP invites: sdk.mail sends REQUEST from the organizer's mailbox (HTML +
  text/calendar + invite.ics); public /rsvp endpoint (vault-sealed token)
  records accepted/declined/tentative per attendee.
- "This and following" edit + scoped delete (this / this-and-following), with
  a delete confirmation dialog for recurring events.

Core:
- Settings: time_format (12/24h, default 24h) + jitsi_server; new Integrations
  section; date order follows time format (en-GB vs en-US) across Mail.
- Plugin SDK: mail (send from a user's account), vault (envelope encrypt),
  multi-method SSRF-guarded http; AppSwitcher product switcher; full-bleed
  PluginPage.

Mail HTML rendering:
- Sanitizer allows <style> blocks + class (CSS sanitized: drop script-like,
  strip @import/url() when remote images blocked); SANITIZER_VERSION 3 so
  already-indexed mail re-sanitizes on view.
- Attachments: a Content-Disposition: attachment part is a real attachment
  even when it also carries a Content-ID (fixes hidden invite.ics).

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
2026-07-28 16:33:34 +02:00
co-authored by Claude Opus 4.8
parent d46ad13b7b
commit 8c634f7967
56 changed files with 3308 additions and 37 deletions
+60
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@@ -0,0 +1,60 @@
import { useEffect, useRef, useState } from "react";
import { useNavigate } from "react-router-dom";
import { usePluginPages } from "../plugins/manifest";
// Product switcher shown in the sidebar header: Webmail + any plugin "app.page"
// (Calendar, later Contacts). Plugin-agnostic — the app list comes from the
// manifest, so a new page-plugin appears here with no core change.
export function AppSwitcher() {
const navigate = useNavigate();
const pages = usePluginPages();
const [open, setOpen] = useState(false);
const ref = useRef<HTMLDivElement>(null);
useEffect(() => {
if (!open) return;
const onDoc = (e: MouseEvent) => {
if (ref.current && !ref.current.contains(e.target as Node)) setOpen(false);
};
document.addEventListener("mousedown", onDoc);
return () => document.removeEventListener("mousedown", onDoc);
}, [open]);
const apps = [
{ key: "mail", label: "Mail", to: "/mail" },
...pages.map((p) => ({ key: `${p.plugin}${p.route}`, label: p.nav.label, to: `/p${p.route}` })),
];
return (
<div className="relative" ref={ref}>
<button
onClick={() => setOpen((o) => !o)}
className="flex items-center gap-1.5 rounded px-1.5 py-1 text-[15px] font-semibold text-app-fg hover:bg-app-hover"
>
Mail
<svg width="20" height="20" viewBox="0 0 16 16" fill="none" stroke="currentColor" strokeWidth="1.6" strokeLinecap="round" strokeLinejoin="round" aria-hidden>
<path d="M4 6l4 4 4-4" />
</svg>
</button>
{open && (
<div className="absolute left-0 top-full z-20 mt-1 min-w-[160px] rounded-lg border border-app-border bg-app-elevated py-1 shadow-lg">
{apps.map((a) => (
<button
key={a.key}
onClick={() => {
setOpen(false);
navigate(a.to);
}}
className={`flex w-full items-center px-3 py-1.5 text-left text-sm hover:bg-app-hover ${
a.key === "mail" ? "font-medium text-app-fg" : "text-app-muted"
}`}
>
{a.label}
</button>
))}
</div>
)}
</div>
);
}
+3 -3
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@@ -1,12 +1,12 @@
import { useT } from "../../i18n";
import { formatClock, getDateLocale } from "../../lib/timeFormat";
import type { DraftOut, RemoteDraftOut } from "../../lib/types";
function timeLabel(iso: string): string {
const d = new Date(iso);
const now = new Date();
if (d.toDateString() === now.toDateString())
return d.toLocaleTimeString([], { hour: "2-digit", minute: "2-digit" });
return d.toLocaleDateString([], { month: "short", day: "numeric" });
if (d.toDateString() === now.toDateString()) return formatClock(d);
return d.toLocaleDateString(getDateLocale(), { month: "short", day: "numeric" });
}
function DraftRow({
+4 -4
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@@ -2,17 +2,17 @@ import { useVirtualizer } from "@tanstack/react-virtual";
import { useRef } from "react";
import { useT } from "../../i18n";
import { formatClock, getDateLocale } from "../../lib/timeFormat";
import type { Address, ThreadSummary } from "../../lib/types";
import { Icon } from "../Icon";
function timeLabel(iso: string): string {
const d = new Date(iso);
const now = new Date();
if (d.toDateString() === now.toDateString())
return d.toLocaleTimeString([], { hour: "2-digit", minute: "2-digit" });
if (d.toDateString() === now.toDateString()) return formatClock(d);
if (d.getFullYear() === now.getFullYear())
return d.toLocaleDateString([], { month: "short", day: "numeric" });
return d.toLocaleDateString([], { year: "2-digit", month: "short", day: "numeric" });
return d.toLocaleDateString(getDateLocale(), { month: "short", day: "numeric" });
return d.toLocaleDateString(getDateLocale(), { year: "2-digit", month: "short", day: "numeric" });
}
// Stable per-sender hue so a sender's avatar keeps a consistent colour.
@@ -4,6 +4,7 @@ import { Fragment, useEffect, useMemo, useRef, useState } from "react";
import { useT } from "../../i18n";
import { api } from "../../lib/api";
import { printMessages } from "../../lib/print";
import { getDateLocale, getHour12 } from "../../lib/timeFormat";
import type { AccountOut, MailboxOut, MessageEnvelope } from "../../lib/types";
import { PluginSlot } from "../../plugins/PluginSlot";
import { Composer, type ComposerInit } from "../compose/Composer";
@@ -39,13 +40,17 @@ function recipientSummary(addrs: { name: string; email: string }[]): string {
function attributionFor(msg: MessageEnvelope): string {
const d = new Date(msg.date);
const date = d.toLocaleDateString("en-US", {
const date = d.toLocaleDateString(getDateLocale(), {
weekday: "short",
month: "short",
day: "numeric",
year: "numeric",
});
const time = d.toLocaleTimeString("en-US", { hour: "numeric", minute: "2-digit" });
const time = d.toLocaleTimeString("en-US", {
hour: "numeric",
minute: "2-digit",
hour12: getHour12(),
});
const who = msg.from_addr[0]?.name || msg.from_addr[0]?.email || "";
return `On ${date}, at ${time}, ${who} wrote:`;
}
@@ -110,13 +115,14 @@ function fmtRelative(iso: string): string {
}
function fmtFull(iso: string): string {
return new Date(iso).toLocaleString("en-US", {
return new Date(iso).toLocaleString(getDateLocale(), {
weekday: "short",
year: "numeric",
month: "short",
day: "numeric",
hour: "numeric",
minute: "2-digit",
hour12: getHour12(),
});
}