keyoxide-web/static/scripts.js
Yarmo Mackenbach 59411ec176
Reinstate utils
2021-06-29 01:03:27 +02:00

209 lines
7.3 KiB
JavaScript

/*
Copyright (C) 2021 Yarmo Mackenbach
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.
You should have received a copy of the GNU Affero General Public License along
with this program. If not, see <https://www.gnu.org/licenses/>.
Also add information on how to contact you by electronic and paper mail.
If your software can interact with users remotely through a computer network,
you should also make sure that it provides a way for users to get its source.
For example, if your program is a web application, its interface could display
a "Source" link that leads users to an archive of the code. There are many
ways you could offer source, and different solutions will be better for different
programs; see section 13 for the specific requirements.
You should also get your employer (if you work as a programmer) or school,
if any, to sign a "copyright disclaimer" for the program, if necessary. For
more information on this, and how to apply and follow the GNU AGPL, see <https://www.gnu.org/licenses/>.
*/
// Verify all claims
const claims = document.querySelectorAll('kx-claim');
claims.forEach(function(claim) {
if (claim.hasAttribute('data-skip') && claim.getAttribute('data-skip')) {
return;
}
claim.verify();
});
// Register modals
document.querySelectorAll('dialog').forEach(function(d) {
dialogPolyfill.registerDialog(d);
d.addEventListener('click', function(ev) {
if (ev && ev.target != d) {
return;
}
d.close();
});
});
// Register form listeners
const elFormEncrypt = document.body.querySelector("#dialog--encryptMessage form");
if (elFormEncrypt) {
elFormEncrypt.onsubmit = async function (evt) {
evt.preventDefault();
try {
// Fetch a key if needed
await fetchProfileKey();
// Encrypt the message
encrypted = await openpgp.encrypt({
message: openpgp.message.fromText(elFormEncrypt.querySelector('.input').value),
publicKeys: window.kx.key.object
});
elFormEncrypt.querySelector('.output').value = encrypted.data;
} catch (e) {
console.error(e);
elFormEncrypt.querySelector('.output').value = `Could not encrypt message!\n==========================\n${e.message ? e.message : e}`;
}
}
}
const elFormVerify = document.body.querySelector("#dialog--verifySignature form");
if (elFormVerify) {
elFormVerify.onsubmit = async function (evt) {
evt.preventDefault();
try {
// Fetch a key if needed
await fetchProfileKey();
// Try two different methods of signature reading
let signature = null, verified = null, readError = null;
try {
signature = await openpgp.message.readArmored(elFormVerify.querySelector('.input').value);
} catch(e) {
readError = e;
}
try {
signature = await openpgp.cleartext.readArmored(elFormVerify.querySelector('.input').value);
} catch(e) {
readError = e;
}
if (signature == null) { throw(readError) };
// Verify the signature
verified = await openpgp.verify({
message: signature,
publicKeys: window.kx.key.object
});
if (verified.signatures[0].valid) {
elFormVerify.querySelector('.output').value = `The message was signed by the profile's key.`;
} else {
elFormVerify.querySelector('.output').value = `The message was NOT signed by the profile's key.`;
}
} catch (e) {
console.error(e);
elFormVerify.querySelector('.output').value = `Could not verify signature!\n===========================\n${e.message ? e.message : e}`;
}
}
}
const elFormSearch = document.body.querySelector("#search");
if (elFormSearch) {
elFormSearch.onsubmit = function (evt) {
evt.preventDefault();
const protocol = elFormSearch.querySelector("input[type='radio']:checked").value;
const identifier = elFormSearch.querySelector("input[type='search']").value;
if (protocol == 'sig') {
window.location.href = `/${protocol}`;
} else {
window.location.href = `/${protocol}/${encodeURIComponent(identifier)}`;
}
}
const elSearchRadio = elFormSearch.querySelectorAll("input[type='radio']");
elSearchRadio.forEach(function (el) {
el.oninput = function (evt) {
evt.preventDefault();
if (evt.target.getAttribute('id') === 'protocol-sig') {
elFormSearch.querySelector("input[type='search']").setAttribute('disabled', true);
} else {
elFormSearch.querySelector("input[type='search']").removeAttribute('disabled');
}
}
});
elFormSearch.querySelector("input[type='radio']:checked").dispatchEvent(new Event('input'));
}
// Functions
const fetchProfileKey = async function() {
if (window.kx.key.object && window.kx.key.object instanceof openpgp.key.Key) {
return;
}
const rawKeyData = await fetch(window.kx.key.url)
let key, errorMsg
try {
key = (await openpgp.key.read(new Uint8Array(await rawKeyData.clone().arrayBuffer()))).keys[0]
} catch(error) {
errorMsg = error.message
}
if (!key) {
try {
key = (await openpgp.key.readArmored(await rawKeyData.clone().text())).keys[0]
} catch (error) {
errorMsg = error.message
}
}
if (key) {
window.kx.key.object = key
return
} else {
throw new Error(`Public key could not be fetched (${errorMsg})`)
}
}
// Enable QR modal
const showQR = function(input, type) {
const qrTarget = document.getElementById('qr');
const qrContext = qrTarget.getContext('2d');
const qrOpts = {
errorCorrectionLevel: 'L',
margin: 1,
width: 256,
height: 256
};
if (input) {
if (type === 'url') {
input = decodeURIComponent(input);
}
if (type === 'fingerprint') {
input = `OPENPGP4FPR:${input.toUpperCase()}`
}
QRCode.toCanvas(qrTarget, input, qrOpts, function(error) {
if (error) {
document.querySelector("#qr--altLink").innerText = "";
document.querySelector("#qr--altLink").href = "#";
qrContext.clearRect(0, 0, qrTarget.width, qrTarget.height);
console.error(error);
} else {
document.querySelector("#qr--altLink").innerText = input;
document.querySelector("#qr--altLink").href = input;
document.querySelector('#dialog--qr').showModal();
}
});
} else {
qrContext.clearRect(0, 0, qrTarget.width, qrTarget.height);
}
}