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adding tootpick for sharing to mastodon

Browse Source 
https://github.com/Juerd/tootpick
https://tootpick.org/
main
Dominic Reich 11 months ago
parent 88c650c504
commit f498f0fc5f
Signed by: dominic
GPG Key ID: BC9D6AE1A3BE169A
3 changed files with 527 additions and 1 deletions
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2
config/_default/params.toml
Unescape View File

@ -58,7 +58,7 @@ rssFullContent = false
showWordCount = true showWordCount = true
showComments = false showComments = false
# sharingLinks = ["facebook", "twitter", "pinterest", "reddit", "linkedin", "email"] # sharingLinks = ["facebook", "twitter", "pinterest", "reddit", "linkedin", "email"]
sharingLinks = ["email", "reddit", "twitter", "facebook", "pinterest"] sharingLinks = ["email", "mastodon", "reddit", "twitter", "facebook", "pinterest"]
[list] [list]
showBreadcrumbs = false showBreadcrumbs = false

5
data/sharing.json
Unescape View File

@ -4,6 +4,11 @@
"title": "sharing.email", "title": "sharing.email",
"url": "mailto:?body=%s&subject=Look+at+this:+%s" "url": "mailto:?body=%s&subject=Look+at+this:+%s"
}, },
"mastodon": {
"icon": "mastodon",
"title": "sharing.mastodon",
"url": "/tootpick.html#text=%s -- %s"
},
"facebook": { "facebook": {
"icon": "facebook", "icon": "facebook",
"title": "sharing.facebook", "title": "sharing.facebook",

521
static/tootpick.html
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@ -0,0 +1,521 @@
<!DOCTYPE html>
<meta charset=UTF-8>
<title>Tootpick</title>
<!--
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
-->
<meta name=viewport content="width=device-width, initial-scale=1">
<meta name=referrer content=no-referrer>
<meta http-equiv=Content-Security-Policy content="default-src 'self' 'unsafe-inline' https:; connect-src https:; img-src https:">
<link rel=icon href="data:image/svg+xml,&lt;svg xmlns='http://www.w3.org/2000/svg' viewBox='0 -14 16 16'&gt;&lt;text&gt;🔁&lt;/text&gt;&lt;/svg&gt;">
<style>
* {
box-sizing: border-box;
}
html {
height: 100%;
padding: 0;
margin: 0;
}
body {
padding: 0;
margin: 0;
display: flex;
min-height: 100%;
flex-direction: column;
justify-content: center;
align-items: center;
background: #d9dce6;
background-size: cover;
background-position: 50% 50%;
line-height: 120%;
color: white;
font-family: sans-serif;
font-size: 15px;
}
main * {
font: inherit;
border: 0;
border-radius: 4px;
}
:focus {
outline: 1px dashed #eee;
outline-offset: 2px;
}
::placeholder {
font-style: italic;
color: #666;
}
a, summary {
color: inherit;
text-decoration: underline;
cursor: pointer;
}
a:hover, summary:hover {
filter: brightness(150%);
}
main {
display: flex;
flex-direction: column;
gap: .8em;
background: #444b5d;
border-radius: 0;
padding: .8em;
max-width: 40rem;
margin-top: auto;
margin-bottom: auto;
transition: opacity 1s; /* same as JS timeout */
opacity: 1;
}
.transparent {
opacity: 0;
}
#message {
margin: 0;
background: white;
padding: .5em;
width: 100%;
background: #eee;
color: #222;
max-height: 9em;
overflow: auto;
cursor: not-allowed;
}
#message:hover {
background: #ccc;
color: #888;
}
#inputline {
display: flex;
align-items: center;
gap: .5em;
flex-wrap: wrap;
}
#inputline label {
flex: 1 0 auto;
display: flex;
align-items: center;
}
#inputline span#server {
white-space: nowrap;
margin-right: .5em;
}
input#instance {
padding: .2em .5em;
flex: 1 1 30em;
min-width: 10em;
}
input#instance:focus {
outline: 0;
}
button, input[type="submit"] {
background: #5455ff;
color: #fff;
padding: 7px 10px;
font-weight: 500;
font-size: 15px;
cursor: pointer;
}
button:hover, input[type="submit"]:hover {
background: #6364ff;
}
button:focus, input[type="submit"]:focus {
outline-offset: -5px;
}
#toot {
margin-left: auto;
}
#recent {
display: flex;
justify-content: space-around;
flex-wrap: wrap;
gap: .5em;
}
#recent > button {
flex: 0 1 140px;
display: flex;
flex-direction: column;
gap: .5em;
align-items: center;
padding-top: .5em;
position: relative;
margin-top: 1em;
}
#recent > button img {
width: 120px;
aspect-ratio: 1200/630;
object-fit: cover;
}
button.delete {
background: black;
color: #df405a;
position: absolute;
padding: .2em .3em;
top: .2em;
right: .2em;
}
button.delete::after {
content: '\002716'; /* HEAVY MULTIPLICATION X */
}
button.delete:hover {
background: #df405a;
color: white;
}
footer {
color: #1a1a1a;
padding: 1em;
text-align: center;
}
#statusline {
padding: .5em;
background: #9baec8;
color: black;
}
#statusline.error {
background: #df405a;
color: black;
}
.hidden {
display: none !important;
}
footer details:not([open]) {
display: inline-block;
}
footer details:not([open])::before {
content: '\0000B7\000020'; /* MIDDLE DOT, SPACE */
}
footer summary {
display: inline-block;
}
footer details[open] {
border: 1px solid #aaa;
padding: .5em;
max-width: 40em;
margin: .5em auto;
}
h4 {
margin: .5em;
}
@media (prefers-color-scheme: dark) {
body {
background: #191b22;
}
footer {
color: #aaa;
}
}
</style>
<script>
let message;
let notMastodon = 'That does not appear to be a Mastodon server.';
let timers = [];
function $(q) {
return document.querySelector(q);
}
function resetStyle() {
document.body.style.backgroundImage = 'none';
$('main').classList.remove('transparent');
}
function error(msg) {
let el = $('#statusline');
el.innerText = msg;
el.classList.add('error');
el.classList.remove('hidden');
}
function clearStatus() {
let el = $('#statusline');
el.classList.add('hidden');
el.classList.remove('error');
el.innerText = '';
}
function status(msg) {
let el = $('#statusline');
el.innerText = msg;
el.classList.remove('error');
el.classList.remove('hidden');
}
function setLocationGlobals() {
let hash = document.location.hash.replace(/^#/, '');
let args = {};
for (let arg of hash.split('&')) {
let i = arg.indexOf('='); // .split() can't preserve a second "="
let k = arg.substr(0, i);
let v = arg.substr(i + 1);
try { args[ decodeURIComponent(k) ] = decodeURIComponent(v); }
catch (e) { } // ignore URIError
}
message = args['text'] || "If you want a 'share with Mastodon' link on your website, have a look at Tootpick. https://tootpick.org/ #mastodon #tootpick";
if (args['plustospace'] == "yes") message = message.replace(/\+/g, " ");
$("#message").innerText = message;
}
function getRecent() {
try { return JSON.parse(localStorage.getItem('recent')) || []; }
catch (e) { return []; }
}
function setRecent(obj) {
// Deduplicate
let seen = new Set();
obj = obj.filter(x => {
let key = x['domain'];
return seen.has(key) ? false : seen.add(key);
});
// The box will show 2, 3, or 4 per row, limit of 12 ensures
// truncating at a whole row.
if (obj.length > 12) obj.length = 12;
localStorage.setItem('recent', JSON.stringify(obj));
}
function populateRecent() {
let recent = getRecent();
if (!recent.length) {
$("#recent").classList.add('hidden');
return;
}
$('#recent').innerHTML = '';
for (let item of getRecent()) {
let div = document.createElement('button');
div.dataset['instance'] = JSON.stringify(item);
let img = document.createElement('img');
img.src = item['thumbnail'];
img.setAttribute('alt', ''); // intentional empty string
let del = document.createElement('button');
del.classList.add('delete');
del.setAttribute('title', 'Forget ' + item['domain']);
let text = document.createElement('div');
text.innerText = "Continue with\n" + item['domain'];
div.setAttribute('title', item['title']);
div.appendChild(del);
div.appendChild(img);
div.appendChild(text);
$('#recent').appendChild(div);
}
}
function tootRedirect(domain, message) {
document.location = `https://${domain}/share?text=${ encodeURIComponent(message) }`;
}
function tryNewInstance(domain, message) {
status(`Connecting to ${domain}...`);
fetch(`https://${domain}/api/v1/instance`)
.then((resp) => resp.json())
.then(function (data) {
if (!data['version'] || data['version'].match(/compatible/i)) {
error(notMastodon);
return;
}
let thumbnail = data['thumbnail'];
let title = data['title'];
if ($('#remember').checked) {
let recent = getRecent();
recent.unshift({ domain, thumbnail, title });
setRecent(recent);
}
let redirect = () => tootRedirect(domain, message);
// backgroundImage doesn't trigger events; dummy image will load
// while background is also loaded, browser uses single connection
// for both.
let dummy = new Image();
dummy.addEventListener('error', redirect); // no point in waiting
dummy.addEventListener('load', () => {
timers.push(setTimeout(redirect, 1000));
$("main").classList.add('transparent');
// backgroundImage not set here but loading in parallel,
// so visitor can see loading happening
});
dummy.src = thumbnail;
document.body.style.backgroundImage = `url(${thumbnail})`;
timers.push(setTimeout(redirect, 3500)); // fallback;
})
.catch((err) => {
// Can't do real webfinger, because that needs an acct: parameter.
// But we can at least do an opportunistic attempt to support
// *some* servers where WEB_DOMAIN != LOCAL_DOMAIN. This only
// works if the redirect and the target both allow CORS.
fetch(`https://${domain}/.well-known/webfinger`)
.then((resp) => {
if (resp.redirected) {
let found = resp.url.match(/^https:\/\/([^\/]+)\/\.well-known\/webfinger/);
if (found) tryNewInstance(found[1], message);
else throw(new Error('Weird webfinger'));
} else {
throw(new Error('No webfinger'));
}
})
.catch((err) => error(notMastodon));
});
}
window.addEventListener('hashchange', setLocationGlobals);
window.addEventListener('pageshow', () => {
while (timers.length) clearTimeout(timers.shift());
resetStyle();
setLocationGlobals();
populateRecent();
clearStatus();
});
window.addEventListener('DOMContentLoaded', () => {
$("#instance").addEventListener('keydown', clearStatus);
$("#instance").addEventListener('click', clearStatus);
$("#message").addEventListener('click', () => {
status($("#message").getAttribute('title'))
});
$("form").addEventListener('submit', (e) => {
e.preventDefault();
// domain is expected, but user might enter URL
let instance = $("#instance").value.trim();
if (instance == '') {
error($("#instance").closest("label").getAttribute("title"));
return;
}
// remove trailing slash and username, if present
instance = instance.replace(/\/+(?:@.*)?$/, "");
// newbies may write https:foo or https//foo too.
instance = instance.replace(/^https?\W+/, "");
// Deal with user@host and @user@host, and for really advanced
// newbies, acct:user@host because why not :)
instance = instance.replace(/^(?:acct:)?@?[^@]+@/, "");
// Some advanced users may enter an FQDN with a trailing dot, but
// that needs to be normalized because the domain is used as a
// lookup key. Speaking of normalization, let's lowercase.
instance = instance.replace(/\.$/, "").toLowerCase();
// Check whether the input is a valid domain name, in order to
// prevent leaking e.g. pasted clipboard text (passwords, credit
// card numbers, love letters, ...) via DNS. Can't prevent
// every mistake, but let's catch at least the obvious cases.
if (! instance.match(/^(?:(?:xn--)?[a-z0-9]+[-.])*[a-z0-9]+\.[a-z]{2,}$/)) {
// TODO: support user readable IDN and %-encoded IDN (both uncommon)
error('Not a valid internet domain name.');
return;
}
$("#instance").value = instance;
tryNewInstance(instance, message);
});
$("#recent").addEventListener('click', (event) => {
let button = event.target.closest('button');
if (!button) return;
if (button.classList.contains('delete')) {
let instance = JSON.parse( button.parentElement.dataset['instance'] );
setRecent(getRecent().filter(
x => x['domain'] != instance['domain']
));
button.parentElement.remove();
} else {
let instance = JSON.parse( button.dataset['instance'] );
document.body.style.backgroundImage = `url(${ instance['thumbnail'] })`;
let recent = getRecent();
recent.unshift(instance);
setRecent(recent);
$("main").classList.add('transparent');
timers.push(setTimeout(() => tootRedirect(instance['domain'], message), 1000));
}
});
});
</script>
<main data-nosnippet>
<noscript>
<div class=error>
Please enable JavaScript to use this service. This page requires
JavaScript to keep all the data in your browser. The alternative would
be to send message contents to the server, which would be the worse
decision privacy-wise.
</div>
</noscript>
<div>
Pick your Mastodon server to toot this message:
</div>
<blockquote id=message
title="You can edit the text on the next page, on your own Mastodon server.">
</blockquote>
<form id=inputline>
<label title="Enter the domain name of your Mastodon server (sometimes called 'instance')">
<span id=server>Server:</span>
<input id=instance placeholder="social.example.org">
</label>
<label>
<input type=checkbox id=remember checked> Remember
</label>
<input type=submit id=toot value="Continue">
</form>
<div id=statusline class="hidden">
</div>
<div id=recent>
</div>
</main>
<footer>
<a href="https://github.com/Juerd/tootpick">Tootpick</a> is a
privacy-preserving instance picker for sharing links from
news sites, blogs, etc.<br>
<a href="https://github.com/Juerd/tootpick">Add Tootpick to your website</a>
<details data-nosnippet>
<summary>Legal notices</summary>
<h4>License</h4>
This program is free software: you can redistribute it and/or modify it
under the terms of the <a href="https://www.gnu.org/licenses/agpl-3.0.html">
GNU Affero General Public License</a> as published by the Free Software
Foundation, either version 3 of the License, or (at your option) any
later version.
<h4>Disclaimer</h4>
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
<h4>Privacy poliy</h4>
Tootpick does not collect or store any of your data except on your own
computer. The server that hosts Tootpick, and the Mastodon servers you
enter, will probably store your IP address and User-Agent (browser)
identification in a web server log file.
</details>
</footer>
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