Strip down old web app

This commit is contained in:
Philipp Heckel 2022-03-05 14:48:42 -05:00
parent 52a55f71e6
commit 1a3816c1ff
11 changed files with 6 additions and 772 deletions

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@ -28,10 +28,6 @@
<meta property="og:description" content="ntfy is a simple HTTP-based pub-sub notification service. It allows you to send desktop notifications via scripts from any computer, entirely without signup or cost. Made with ❤ by Philipp C. Heckel, Apache License 2.0, source at https://heckel.io/ntfy." />
<meta property="og:image" content="/static/img/ntfy.png" />
<meta property="og:url" content="https://ntfy.sh" />
{{if .Topic}}
<!-- Never index topic page -->
<meta name="robots" content="noindex, nofollow" />
{{end}}
</head>
<body>
@ -48,7 +44,7 @@
</ol>
</div>
</nav>
<div id="main"{{if .Topic}} style="display: none"{{end}}>
<div id="main">
<h1>Send push notifications to your phone or desktop via PUT/POST</h1>
<p>
<b>ntfy</b> (pronounce: <i>notify</i>) is a simple HTTP-based <a href="https://en.wikipedia.org/wiki/Publish%E2%80%93subscribe_pattern">pub-sub</a> notification service.
@ -122,24 +118,11 @@
<figcaption>Sending push notifications to your Android phone</figcaption>
</figure>
<div id="subscribeBox">
<h3 id="subscribe-web" class="anchor">Subscribe in this Web UI</h3>
<p id="error"></p>
<h3 id="subscribe-web" class="anchor">Subscribe via web app</h3>
<p>
Subscribe to topics here and receive messages as <b>desktop notification</b>. Topics are not password-protected,
so choose a name that's not easy to guess.
</p>
<form id="subscribeForm">
<p>
<b>Topic:</b><br/>
<input type="text" id="topicField" autocomplete="off" placeholder="Topic name, e.g. phil_alerts" maxlength="64" pattern="[-_A-Za-z0-9]{1,64}" />
<button id="subscribeButton">Subscribe</button>
</p>
<p id="topicsHeader"><b>Subscribed topics:</b></p>
<ul id="topicsList"></ul>
</form>
<audio id="notifySound" src="static/sound/mixkit-message-pop-alert-2354.mp3"></audio>
</div>
<h3 id="subscribe-api" class="anchor">Subscribe using the API</h3>
<p>
@ -186,31 +169,6 @@
<center id="ironicCenterTagDontFreakOut"><i>Made with ❤️ by <a href="https://heckel.io">Philipp C. Heckel</a></i></center>
</div>
<div id="detail"{{if not .Topic}} style="display: none"{{end}}>
<div id="detailMain">
<button id="detailCloseButton"><img src="static/img/close.svg"/></button>
<h1><span id="detailTitle"></span></h1>
<p class="smallMarginBottom">
<b>ntfy</b> is a simple HTTP-based pub-sub notification service. This is a ntfy topic.
To send notifications to it, simply PUT or POST to the topic URL. Here's an example using <tt>curl</tt>:
</p>
<code>
curl -d "Backup failed" <span id="detailTopicUrl">ntfy.sh/topic</span>
</code>
<p id="detailNotificationsDisallowed">
If you'd like to receive desktop notifications when new messages arrive on this topic, you have to
<a href="#" onclick="return requestPermission()">grant the browser permission</a> to show notifications.
Click the link to do so.
</p>
<p class="smallMarginBottom">
<b>Recent notifications</b> ({{if .CacheDuration}}cached for {{.CacheDuration | durationToHuman}}{{else}}caching is disabled{{end}}):
</p>
<p id="detailNoNotifications">
<i>You haven't received any notifications for this topic yet.</i>
</p>
<div id="detailEventsList"></div>
</div>
</div>
<div id="lightbox" class="lightbox"></div>
<script src="static/js/emoji.js"></script>
<script src="static/js/app.js"></script>

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@ -333,199 +333,3 @@ li {
display: none;
}
}
/* Subscribe box SMALL SCREEN */
@media only screen and (max-width: 1599px) {
#subscribeBox #subscribeForm {
border-left: 4px solid #3a9784;
padding: 10px;
}
#subscribeBox #topicsHeader {
margin-bottom: 0;
}
#subscribeBox input {
height: 24px;
min-width: 200px;
max-width: 300px;
border-radius: 3px;
border: none;
border-bottom: 1px solid #aaa;
font-size: 0.8em;
}
#subscribeBox input:focus {
border-bottom: 2px solid #3a9784;
outline: none;
}
#subscribeBox ul {
margin: 0;
}
#subscribeBox li {
margin: 3px 0;
padding: 0;
}
#subscribeBox li img {
width: 15px;
height: 15px;
vertical-align: bottom;
}
#subscribeBox li a {
padding: 0 5px 0 0;
}
#subscribeBox button {
font-size: 0.8em;
background: #3a9784;
border-radius: 3px;
padding: 5px;
color: white;
cursor: pointer;
}
#subscribeBox button:hover {
background: #317f6f;
}
}
/* Subscribe box BIG SCREEN */
@media only screen and (min-width: 1600px) {
#subscribeBox {
position: fixed;
top: 170px;
right: 10px;
width: 300px;
border-left: 4px solid #3a9784;
padding: 10px;
}
#subscribeBox h3 {
margin-top: 0;
margin-bottom: 5px;
font-size: 1.1em;
}
#subscribeBox #topicsHeader {
margin-bottom: 0;
}
#subscribeBox p {
font-size: 0.9em;
margin-bottom: 10px;
}
#subscribeBox ul {
margin: 0;
}
#subscribeBox input {
height: 18px;
border-radius: 3px;
border: none;
border-bottom: 1px solid #aaa;
}
#subscribeBox input:focus {
border-bottom: 2px solid #3a9784;
outline: none;
}
#subscribeBox li {
margin: 3px 0;
padding: 0;
}
#subscribeBox li img {
width: 15px;
height: 15px;
vertical-align: bottom;
}
#subscribeBox li a {
padding: 0 5px 0 0;
}
#subscribeBox button {
font-size: 0.7em;
background: #3a9784;
border-radius: 3px;
padding: 5px;
color: white;
cursor: pointer;
}
#subscribeBox button:hover {
background: #317f6f;
}
}
/** Detail view */
#detail .detailEntry {
margin-bottom: 20px;
}
#detail .detailDate {
margin-bottom: 2px;
}
#detail .detailDate, #detail .detailTags {
color: #888;
font-size: 0.9em;
}
#detail .detailTags {
margin-top: 2px;
}
#detail .detailDate img {
width: 20px;
height: 20px;
vertical-align: bottom;
}
#detail .detailTitle {
font-weight: bold;
}
#detail #detailMain {
max-width: 900px;
margin: 0 auto;
position: relative; /* required for close button's "position: absolute" */
padding: 0 10px 50px 10px; /* Chrome and Firefox behave differently regarding bottom margin */
}
#detail #detailCloseButton {
background: #eee;
border-radius: 5px;
border: none;
padding: 5px;
position: absolute;
right: 10px;
top: 10px;
display: block;
}
#detail #detailCloseButton:hover {
padding: 5px;
background: #ccc;
}
#detail #detailCloseButton img {
display: block; /* get rid of the weird bottom border */
}
#detail #detailNotificationsDisallowed {
display: none;
color: darkred;
}
#detail #events {
max-width: 900px;
margin: 0 auto 50px auto;
}

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@ -9,233 +9,14 @@
/* All the things */
let topics = {};
let currentTopic = "";
let currentTopicUnsubscribeOnClose = false;
let currentUrl = window.location.hostname;
if (window.location.port) {
currentUrl += ':' + window.location.port
}
/* Main view */
const main = document.getElementById("main");
const topicsHeader = document.getElementById("topicsHeader");
const topicsList = document.getElementById("topicsList");
const topicField = document.getElementById("topicField");
const notifySound = document.getElementById("notifySound");
const subscribeButton = document.getElementById("subscribeButton");
const errorField = document.getElementById("error");
const originalTitle = document.title;
/* Detail view */
const detailView = document.getElementById("detail");
const detailTitle = document.getElementById("detailTitle");
const detailEventsList = document.getElementById("detailEventsList");
const detailTopicUrl = document.getElementById("detailTopicUrl");
const detailNoNotifications = document.getElementById("detailNoNotifications");
const detailCloseButton = document.getElementById("detailCloseButton");
const detailNotificationsDisallowed = document.getElementById("detailNotificationsDisallowed");
/* Screenshots */
const lightbox = document.getElementById("lightbox");
const subscribe = (topic) => {
if (Notification.permission !== "granted") {
Notification.requestPermission().then((permission) => {
if (permission === "granted") {
subscribeInternal(topic, true, 0);
} else {
showNotificationDeniedError();
}
});
} else {
subscribeInternal(topic, true,0);
}
};
const subscribeInternal = (topic, persist, delaySec) => {
setTimeout(() => {
// Render list entry
let topicEntry = document.getElementById(`topic-${topic}`);
if (!topicEntry) {
topicEntry = document.createElement('li');
topicEntry.id = `topic-${topic}`;
topicEntry.innerHTML = `<a href="/${topic}" onclick="return showDetail('${topic}')">${topic}</a> <button onclick="test('${topic}'); return false;"> <img src="static/img/send.svg"> Test</button> <button onclick="unsubscribe('${topic}'); return false;"> <img src="static/img/unsubscribe.svg"> Unsubscribe</button>`;
topicsList.appendChild(topicEntry);
}
topicsHeader.style.display = '';
// Open event source
let eventSource = new EventSource(`${topic}/sse`);
eventSource.onopen = () => {
topicEntry.innerHTML = `<a href="/${topic}" onclick="return showDetail('${topic}')">${topic}</a> <button onclick="test('${topic}'); return false;"> <img src="static/img/send.svg"> Test</button> <button onclick="unsubscribe('${topic}'); return false;"> <img src="static/img/unsubscribe.svg"> Unsubscribe</button>`;
delaySec = 0; // Reset on successful connection
};
eventSource.onerror = (e) => {
topicEntry.innerHTML = `<a href="/${topic}" onclick="return showDetail('${topic}')">${topic}</a> <i>(Reconnecting)</i> <button disabled="disabled">Test</button> <button onclick="unsubscribe('${topic}'); return false;">Unsubscribe</button>`;
eventSource.close();
const newDelaySec = (delaySec + 5 <= 15) ? delaySec + 5 : 15;
subscribeInternal(topic, persist, newDelaySec);
};
eventSource.onmessage = (e) => {
const event = JSON.parse(e.data);
topics[topic]['messages'].push(event);
topics[topic]['messages'].sort((a, b) => { return a.time < b.time ? 1 : -1; }); // Newest first
if (currentTopic === topic) {
rerenderDetailView();
}
if (Notification.permission === "granted") {
notifySound.play();
const title = formatTitle(event);
const message = formatMessage(event);
const notification = new Notification(title, {
body: message,
icon: '/static/img/favicon.png'
});
notification.onclick = (e) => {
showDetail(event.topic);
};
}
};
topics[topic] = {
'eventSource': eventSource,
'messages': [],
'persist': persist
};
fetchCachedMessages(topic).then(() => {
if (currentTopic === topic) {
rerenderDetailView();
}
})
let persistedTopicKeys = Object.keys(topics).filter(t => topics[t].persist);
localStorage.setItem('topics', JSON.stringify(persistedTopicKeys));
}, delaySec * 1000);
};
const unsubscribe = (topic) => {
topics[topic]['eventSource'].close();
delete topics[topic];
localStorage.setItem('topics', JSON.stringify(Object.keys(topics)));
document.getElementById(`topic-${topic}`).remove();
if (Object.keys(topics).length === 0) {
topicsHeader.style.display = 'none';
}
};
const test = (topic) => {
fetch(`/${topic}`, {
method: 'PUT',
body: `This is a test notification sent by the ntfy.sh Web UI at ${new Date().toString()}.`
});
};
const fetchCachedMessages = async (topic) => {
const topicJsonUrl = `/${topic}/json?poll=1`; // Poll!
for await (let line of makeTextFileLineIterator(topicJsonUrl)) {
const message = JSON.parse(line);
topics[topic]['messages'].push(message);
}
topics[topic]['messages'].sort((a, b) => { return a.time < b.time ? 1 : -1; }); // Newest first
};
const showDetail = (topic) => {
currentTopic = topic;
history.replaceState(topic, `${currentUrl}/${topic}`, `/${topic}`);
window.scrollTo(0, 0);
rerenderDetailView();
return false;
};
const rerenderDetailView = () => {
detailTitle.innerHTML = `${currentUrl}/${currentTopic}`; // document.location.replaceAll(..)
detailTopicUrl.innerHTML = `${currentUrl}/${currentTopic}`;
while (detailEventsList.firstChild) {
detailEventsList.removeChild(detailEventsList.firstChild);
}
topics[currentTopic]['messages'].forEach(m => {
const entryDiv = document.createElement('div');
const dateDiv = document.createElement('div');
const titleDiv = document.createElement('div');
const messageDiv = document.createElement('div');
const tagsDiv = document.createElement('div');
entryDiv.classList.add('detailEntry');
dateDiv.classList.add('detailDate');
titleDiv.classList.add('detailTitle');
messageDiv.classList.add('detailMessage');
tagsDiv.classList.add('detailTags');
const dateStr = new Date(m.time * 1000).toLocaleString();
if (m.priority && [1,2,4,5].includes(m.priority)) {
dateDiv.innerHTML = `${dateStr} <img src="static/img/priority-${m.priority}.svg"/>`;
} else {
dateDiv.innerHTML = `${dateStr}`;
}
messageDiv.innerText = formatMessage(m);
entryDiv.appendChild(dateDiv);
if (m.title) {
titleDiv.innerText = formatTitleA(m);
entryDiv.appendChild(titleDiv);
}
entryDiv.appendChild(messageDiv);
const otherTags = unmatchedTags(m.tags);
if (otherTags.length > 0) {
tagsDiv.innerText = `Tags: ${otherTags.join(", ")}`;
entryDiv.appendChild(tagsDiv);
}
detailEventsList.appendChild(entryDiv);
})
if (topics[currentTopic]['messages'].length === 0) {
detailNoNotifications.style.display = '';
} else {
detailNoNotifications.style.display = 'none';
}
if (Notification.permission === "granted") {
detailNotificationsDisallowed.style.display = 'none';
} else {
detailNotificationsDisallowed.style.display = 'block';
}
detailView.style.display = 'block';
main.style.display = 'none';
};
const hideDetailView = () => {
if (currentTopicUnsubscribeOnClose) {
unsubscribe(currentTopic);
currentTopicUnsubscribeOnClose = false;
}
currentTopic = "";
history.replaceState('', originalTitle, '/');
detailView.style.display = 'none';
main.style.display = 'block';
return false;
};
const requestPermission = () => {
if (Notification.permission !== "granted") {
Notification.requestPermission().then((permission) => {
if (permission === "granted") {
detailNotificationsDisallowed.style.display = 'none';
}
});
}
return false;
};
const showError = (msg) => {
errorField.innerHTML = msg;
topicField.disabled = true;
subscribeButton.disabled = true;
};
const showBrowserIncompatibleError = () => {
showError("Your browser is not compatible to use the web-based desktop notifications.");
};
const showNotificationDeniedError = () => {
showError("You have blocked desktop notifications for this website. Please unblock them and refresh to use the web-based desktop notifications.");
};
const showScreenshotOverlay = (e, el, index) => {
lightbox.classList.add('show');
document.addEventListener('keydown', nextScreenshotKeyboardListener);
@ -284,91 +65,6 @@ const nextScreenshotKeyboardListener = (e) => {
}
};
const formatTitle = (m) => {
if (m.title) {
return formatTitleA(m);
} else {
return `${location.host}/${m.topic}`; // FIXME
}
};
const formatTitleA = (m) => {
const emojiList = toEmojis(m.tags);
if (emojiList.length > 0) {
return `${emojiList.join(" ")} ${m.title}`;
} else {
return m.title;
}
};
const formatMessage = (m) => {
if (m.title) {
return m.message;
} else {
const emojiList = toEmojis(m.tags);
if (emojiList.length > 0) {
return `${emojiList.join(" ")} ${m.message}`;
} else {
return m.message;
}
}
};
const toEmojis = (tags) => {
if (!tags) return [];
else return tags.filter(tag => tag in emojis).map(tag => emojis[tag]);
}
const unmatchedTags = (tags) => {
if (!tags) return [];
else return tags.filter(tag => !(tag in emojis));
}
// From: https://developer.mozilla.org/en-US/docs/Web/API/Fetch_API/Using_Fetch
async function* makeTextFileLineIterator(fileURL) {
const utf8Decoder = new TextDecoder('utf-8');
const response = await fetch(fileURL);
const reader = response.body.getReader();
let { value: chunk, done: readerDone } = await reader.read();
chunk = chunk ? utf8Decoder.decode(chunk) : '';
const re = /\n|\r|\r\n/gm;
let startIndex = 0;
let result;
for (;;) {
let result = re.exec(chunk);
if (!result) {
if (readerDone) {
break;
}
let remainder = chunk.substr(startIndex);
({ value: chunk, done: readerDone } = await reader.read());
chunk = remainder + (chunk ? utf8Decoder.decode(chunk) : '');
startIndex = re.lastIndex = 0;
continue;
}
yield chunk.substring(startIndex, result.index);
startIndex = re.lastIndex;
}
if (startIndex < chunk.length) {
yield chunk.substr(startIndex); // last line didn't end in a newline char
}
}
subscribeButton.onclick = () => {
if (!topicField.value) {
return false;
}
subscribe(topicField.value);
topicField.value = "";
return false;
};
detailCloseButton.onclick = () => {
hideDetailView();
};
let currentScreenshotIndex = 0;
const screenshots = [...document.querySelectorAll("#screenshots a")];
screenshots.forEach((el, index) => {
@ -377,37 +73,6 @@ screenshots.forEach((el, index) => {
lightbox.onclick = hideScreenshotOverlay;
// Disable Web UI if notifications of EventSource are not available
if (!window["Notification"] || !window["EventSource"]) {
showBrowserIncompatibleError();
} else if (Notification.permission === "denied") {
showNotificationDeniedError();
}
// Reset UI
topicField.value = "";
// Restore topics
const storedTopics = JSON.parse(localStorage.getItem('topics') || "[]");
if (storedTopics) {
storedTopics.forEach((topic) => { subscribeInternal(topic, true, 0); });
if (storedTopics.length === 0) {
topicsHeader.style.display = 'none';
}
} else {
topicsHeader.style.display = 'none';
}
// (Temporarily) subscribe topic if we navigated to /sometopic URL
const match = location.pathname.match(/^\/([-_a-zA-Z0-9]{1,64})$/) // Regex must match Go & Android app!
if (match) {
currentTopic = match[1];
if (!storedTopics.includes(currentTopic)) {
subscribeInternal(currentTopic, false,0);
currentTopicUnsubscribeOnClose = true;
}
}
// Add anchor links
document.querySelectorAll('.anchor').forEach((el) => {
if (el.hasAttribute('id')) {
@ -425,11 +90,3 @@ document.querySelectorAll('.ntfyUrl').forEach((el) => {
document.querySelectorAll('.ntfyProtocol').forEach((el) => {
el.innerHTML = window.location.protocol + "//";
});
// Format emojis (see emoji.js)
const emojis = {};
rawEmojis.forEach(emoji => {
emoji.aliases.forEach(alias => {
emojis[alias] = emoji.emoji;
});
});

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