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https://codeberg.org/keyoxide/keyoxide-web.git
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80 lines
2.8 KiB
JavaScript
80 lines
2.8 KiB
JavaScript
/*
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Copyright (C) 2021 Yarmo Mackenbach
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This program is free software: you can redistribute it and/or modify it under
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the terms of the GNU Affero General Public License as published by the Free
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Software Foundation, either version 3 of the License, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
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details.
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You should have received a copy of the GNU Affero General Public License along
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with this program. If not, see <https://www.gnu.org/licenses/>.
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Also add information on how to contact you by electronic and paper mail.
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If your software can interact with users remotely through a computer network,
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you should also make sure that it provides a way for users to get its source.
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For example, if your program is a web application, its interface could display
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a "Source" link that leads users to an archive of the code. There are many
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ways you could offer source, and different solutions will be better for different
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programs; see section 13 for the specific requirements.
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You should also get your employer (if you work as a programmer) or school,
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if any, to sign a "copyright disclaimer" for the program, if necessary. For
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more information on this, and how to apply and follow the GNU AGPL, see <https://www.gnu.org/licenses/>.
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*/
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import { webcrypto as crypto } from 'crypto'
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export async function computeWKDLocalPart (localPart) {
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const localPartEncoded = new TextEncoder().encode(localPart.toLowerCase())
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const localPartHashed = new Uint8Array(await crypto.subtle.digest('SHA-1', localPartEncoded))
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return encodeZBase32(localPartHashed)
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}
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export function generatePageTitle (type, data) {
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switch (type) {
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case 'profile':
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try {
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return `${data.keyData.users[data.keyData.primaryUserIndex].userData.name} - Keyoxide`
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} catch (error) {
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return 'Profile - Keyoxide'
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}
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default:
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return 'Keyoxide'
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}
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}
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// Copied from https://github.com/openpgpjs/wkd-client/blob/0d074519e011a5139a8953679cf5f807e4cd2378/src/wkd.js
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export function encodeZBase32 (data) {
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if (data.length === 0) {
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return ''
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}
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const ALPHABET = 'ybndrfg8ejkmcpqxot1uwisza345h769'
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const SHIFT = 5
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const MASK = 31
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let buffer = data[0]
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let index = 1
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let bitsLeft = 8
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let result = ''
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while (bitsLeft > 0 || index < data.length) {
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if (bitsLeft < SHIFT) {
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if (index < data.length) {
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buffer <<= 8
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buffer |= data[index++] & 0xff
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bitsLeft += 8
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} else {
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const pad = SHIFT - bitsLeft
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buffer <<= pad
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bitsLeft += pad
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}
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}
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bitsLeft -= SHIFT
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result += ALPHABET[MASK & (buffer >> bitsLeft)]
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}
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return result
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}
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