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webmail: fix using the compose window/popup after saving a draft message failed

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we kept the "save draft" promise, and would wait for it again for other
operations (eg close, save again, send), which wouldn't make progress.

can easily be reproduced by saving a message with a control character in an
address or the subject. saving the draft will fail.

for issue #256 by ally9335, thanks for reporting
This commit is contained in:
Mechiel Lukkien
2024-11-28 17:22:01 +01:00
parent bd693805fd
commit ee48cf0dfd
2 changed files with 21 additions and 12 deletions
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17
webmail/webmail.js
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@ -2581,7 +2581,7 @@ const compose = (opts, listMailboxes) => {
let draftSaveTimer = 0;
let draftSavePromise = Promise.resolve(0);
let draftLastText = opts.body;
const draftCancelSave = () => {
const draftCancelSaveTimer = () => {
if (draftSaveTimer) {
window.clearTimeout(draftSaveTimer);
draftSaveTimer = 0;
@ -2598,7 +2598,7 @@ const compose = (opts, listMailboxes) => {
}, 60 * 1000);
};
const draftSave = async () => {
draftCancelSave();
draftCancelSaveTimer();
let replyTo = '';
if (replytoViews && replytoViews.length === 1 && replytoViews[0].input.value) {
replyTo = replytoViews[0].input.value;
@ -2619,7 +2619,12 @@ const compose = (opts, listMailboxes) => {
throw new Error('no designated drafts mailbox');
}
draftSavePromise = client.MessageCompose(cm, mbdrafts.ID);
draftMessageID = await draftSavePromise;
try {
draftMessageID = await draftSavePromise;
}
finally {
draftSavePromise = Promise.resolve(0);
}
draftLastText = cm.TextBody;
};
// todo future: on visibilitychange with visibilityState "hidden", use navigator.sendBeacon to save latest modified draft message?
@ -2630,7 +2635,7 @@ const compose = (opts, listMailboxes) => {
// triggered. But we still have the beforeunload handler that checks for
// unsavedChanges to protect the user in such cases.
const cmdClose = async () => {
draftCancelSave();
draftCancelSaveTimer();
await draftSavePromise;
if (unsavedChanges()) {
const action = await new Promise((resolve) => {
@ -2664,12 +2669,12 @@ const compose = (opts, listMailboxes) => {
composeView = null;
};
const cmdSave = async () => {
draftCancelSave();
draftCancelSaveTimer();
await draftSavePromise;
await withStatus('Saving draft', draftSave());
};
const submit = async (archive) => {
draftCancelSave();
draftCancelSaveTimer();
await draftSavePromise;
const files = await new Promise((resolve, reject) => {
const l = [];