/*
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 .
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 .
*/
const doip = require('doipjs')
const openpgp = require('openpgp')
const keys = require('./keys')
const generateWKDProfile = async (id) => {
return keys.fetchWKD(id)
.then(async key => {
let keyData = await doip.keys.process(key.publicKey)
keyData.key.fetchMethod = 'wkd'
keyData.key.uri = key.fetchURL
keyData = processKeyData(keyData)
return {
key: key,
keyData: keyData,
extra: await computeExtraData(key, keyData),
errors: []
}
})
.catch(err => {
return {
key: null,
keyData: null,
extra: null,
errors: [err.message]
}
})
}
const generateHKPProfile = async (id, keyserverDomain) => {
return keys.fetchHKP(id, keyserverDomain)
.then(async key => {
let keyData = await doip.keys.process(key.publicKey)
keyData.key.fetchMethod = 'hkp'
keyData.key.uri = key.fetchURL
keyData = processKeyData(keyData)
return {
key: key,
keyData: keyData,
extra: await computeExtraData(key, keyData),
errors: []
}
})
.catch(err => {
return {
key: null,
keyData: null,
extra: null,
errors: [err.message]
}
})
}
const processKeyData = (keyData) => {
keyData.users.forEach(user => {
// Match claims
user.claims.forEach(claim => {
claim.match()
})
// Sort claims
user.claims.sort((a,b) => {
if (a.matches.length == 0) return 1
if (b.matches.length == 0) return -1
if (a.matches[0].serviceprovider.name < b.matches[0].serviceprovider.name) {
return -1
}
if (a.matches[0].serviceprovider.name > b.matches[0].serviceprovider.name) {
return 1
}
return 0
})
})
return keyData
}
const computeExtraData = async (key, keyData) => {
// Get the primary user
const primaryUser = await key.publicKey.getPrimaryUser()
// Compute hash needed for avatar services
const profileHash = openpgp.util.str_to_hex(openpgp.util.Uint8Array_to_str(await openpgp.crypto.hash.md5(openpgp.util.str_to_Uint8Array(primaryUser.user.userId.email))))
return {
avatarURL: `https://www.gravatar.com/avatar/${profileHash}?s=128&d=mm`
}
}
exports.generateWKDProfile = generateWKDProfile
exports.generateHKPProfile = generateHKPProfile