forked from Mirrors/keyoxide-web
122 lines
4.3 KiB
JavaScript
122 lines
4.3 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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const got = require('got')
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const doip = require('doipjs')
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const openpgp = require('openpgp')
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const utils = require('./utils')
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const fetchWKD = (id) => {
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return new Promise(async (resolve, reject) => {
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let output = {
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publicKey: null,
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fetchURL: null
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}
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const [, localPart, domain] = /([^\@]*)@(.*)/.exec(id)
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const localEncoded = await utils.computeWKDLocalPart(localPart)
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const urlAdvanced = `https://openpgpkey.${domain}/.well-known/openpgpkey/${domain}/hu/${localEncoded}`
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const urlDirect = `https://${domain}/.well-known/openpgpkey/hu/${localEncoded}`
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let plaintext
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try {
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plaintext = await got(urlAdvanced).then((response) => {
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if (response.statusCode === 200) {
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output.fetchURL = urlAdvanced
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return new Uint8Array(response.rawBody)
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} else {
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return null
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}
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})
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} catch (e) {
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try {
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plaintext = await got(urlDirect).then((response) => {
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if (response.statusCode === 200) {
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output.fetchURL = urlDirect
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return new Uint8Array(response.rawBody)
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} else {
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return null
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}
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})
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} catch (error) {
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reject(new Error("No public keys could be fetched using WKD"))
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}
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}
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if (!plaintext) {
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reject(new Error("No public keys could be fetched using WKD"))
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}
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try {
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output.publicKey = (await openpgp.key.read(plaintext)).keys[0]
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} catch(error) {
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reject(new Error("No public keys could be read from the data fetched using WKD"))
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}
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if (!output.publicKey) {
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reject(new Error("No public keys could be read from the data fetched using WKD"))
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}
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resolve(output)
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})
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}
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const fetchHKP = (id, keyserverDomain) => {
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return new Promise(async (resolve, reject) => {
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let output = {
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publicKey: null,
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fetchURL: null
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}
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keyserverDomain = keyserverDomain ? keyserverDomain : 'keys.openpgp.org'
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let query = ''
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if (id.includes('@')) {
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query = id
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} else {
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query = `0x${id}`
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}
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try {
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output.publicKey = await doip.keys.fetchHKP(id, keyserverDomain)
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output.fetchURL = `https://${keyserverDomain}/pks/lookup?op=get&options=mr&search=${query}`
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} catch(error) {
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reject(new Error("No public keys could be fetched using HKP"))
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}
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if (!output.publicKey) {
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reject(new Error("No public keys could be fetched using HKP"))
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}
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resolve(output)
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})
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}
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exports.fetchWKD = fetchWKD
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exports.fetchHKP = fetchHKP
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