webservices/safechat
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create client

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This commit is contained in:
Marc Wäckerlin
2017-05-11 14:59:27 +00:00
parent c13f5c9840
commit 324844eb25
4 changed files with 102 additions and 56 deletions
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72
nodejs/client/safechat.js
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@@ -1,51 +1,10 @@
#!/usr/bin/env nodejs
var safechat = function(keyserver) {
var hkp = new openpgp.HKP(keyserver)
return {
client: {
user: null,
createUser: function(name, host, password, success, fail) {
openpgp.generateKey({
numBits: 4096,
userIds: [{name: name, email: name+'@'+host}],
passphrase: password
}).then(function(keyPair) {
user = {
name: name,
email: name+'@'+host,
numBits: 4096,
key: {
pub: keyPair.publicKeyArmored,
priv: keyPair.privateKeyArmored
}
}
hkp.upload(user.key.pub).then(function() {
success(user)
}).catch(function(e) {
fail('upload key failed', e)
})
}).catch(function(e) {
fail('generating key pairs failed', e)
})
},
setUser: function() {
}
},
server: {
}
}
}
try {
var package = require(__dirname+'/../package.json')
var config = require(package.path.config)
var io = require('socket.io-client')
var program = require('commander')
var openpgp = require('openpgp')
var fs = require('fs');
var fs = require('fs')
program
.version(package.version)
@@ -58,24 +17,27 @@ try {
.option('-k, --key <file>', 'pgp key file [key.pgp]', 'key.pgp')
.parse(process.argv)
openpgp.initWorker()
openpgp.config.aead_protect = true
var client = safechat(program.keyserver).client;
var client = require(__dirname+'/../safechat/client')(program.url, program.keyserver)
fs.stat(program.key, function(err, stats) {
if (err) {
console.log('generate keys')
client.createUser(program.name, program.host, program.password,
function(user) {
fs.writeFileSync(program.key, JSON.stringify(user))
console.log('new user credentials created')
},
function(msg, e) {
console.log("**** ERRROR:", msg, e)
})
client.create(program.name, program.host, program.password,
function(user) {
fs.writeFileSync(program.key, JSON.stringify(user))
console.log('new user credentials created')
},
function(msg, e) {
console.log("**** ERRROR:", msg, e, e.stack)
})
} else if (stats.isFile()) {
client.user = JSON.parse(fs.readFileSync(program.key))
console.log("user:", client.user.name)
client.login(JSON.parse(fs.readFileSync(program.key)),
function(user) {
console.log('user successfully restored:', user.email)
},
function(msg, e) {
console.log("**** ERRROR:", msg, e, e.stack)
})
} else {
console.log('**** ERROR: cannot read file', program.key)
}

2
nodejs/makefile.am
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@@ -8,7 +8,7 @@
## 1 2 3 4 5 6 7 8
## 45678901234567890123456789012345678901234567890123456789012345678901234567890
EXTRA_DIST = @PACKAGE_NAME@.js package.json.in public routes sockets views database
EXTRA_DIST = @PACKAGE_NAME@.js package.json.in public routes sockets views database safechat client
nodejsdir = ${pkgdatadir}/nodejs

1
nodejs/package.json.in
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@@ -4,6 +4,7 @@
"documentation": "https://dev.marc.waeckerlin.org/doc/safechat/",
"private": true,
"dependencies": {
"browserify": "^14.3.0",
"commander": "^2.9.0",
"ejs": "~2.5.2",
"express": "2.5.8",

83
nodejs/safechat/client.js Normal file
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@@ -0,0 +1,83 @@
module.exports = function(chatserver, keyserver) {
var package = require(__dirname+'/../package.json')
var config = require(package.path.config)
var io = require('socket.io-client')
var openpgp = require('openpgp')
openpgp.initWorker()
openpgp.config.aead_protect = true
var module = function() {
var _hkp = new openpgp.HKP(keyserver)
var _user = null
this.login = function(user, password, success, fail) {
_user = user
_hkp.lookup({query: _user.email}).then(function(key) {
var data = (new Date()).toLocaleString()+' '+_user.name+' '+_user.email
console.log('data:', data)
var pubkeys = openpgp.key.readArmored(key)
var privkey = openpgp.key.readArmored(_user.key.priv).keys[0]
privkey.decrypt(password)
if (pubkeys.keys.length==1) {
openpgp.encrypt({
data: data,
publicKeys: pubkeys.keys[0],
privateKeys: privkey
}).then(function(ciphertext) {
openpgp.decrypt({
message: ciphertext,
publicKeys: openpgp.key.readArmored(_user.key.pub).keys[0],
privateKey: privkey
}).then(function(plaintext) {
if (data==plaintext) {
success(_user)
} else {
fail('local key does not match key on server')
}
}).catch(function(e) {
fail('decryption failed', e)
})
}).catch(function(e) {
fail('encryption failed', e)
})
} else {
fail('more than one public key on server', pubkeys.keys)
}
}).catch(function(e) {
fail('check key on server failed', e)
})
}
this.create = function(name, host, password, success, fail) {
var _this = this
openpgp.generateKey({
numBits: 4096,
userIds: [{name: name, email: name+'@'+host}],
passphrase: password
}).then(function(key) {
_user = {
name: name,
email: name+'@'+host,
numBits: 4096,
key: {
pub: key.publicKeyArmored,
priv: key.privateKeyArmored
}
}
_hkp.upload(_user.key.pub).then(function() {
console.log('key successfully uploaded')
_this.login(_user, password, success, fail)
}).catch(function(e) {
fail('upload key failed', e)
})
}).catch(function(e) {
fail('generating key pairs failed', e)
})
}
}
return new module();
}