| -rw-r--r-- | backend/node/src/app.js | 7 | ||||
| -rw-r--r-- | backend/node/src/clipperz.js | 6 |
2 files changed, 10 insertions, 3 deletions
diff --git a/backend/node/src/app.js b/backend/node/src/app.js index bbc62f8..09dcfac 100644 --- a/backend/node/src/app.js +++ b/backend/node/src/app.js @@ -1,51 +1,52 @@ var BUNYAN = require('bunyan'); var LOGGER = BUNYAN.createLogger({ name: 'clipperz', streams: [ { name: "console", stream:process.stderr,level:'trace'} ], serializers: { req: BUNYAN.stdSerializers.req, res: BUNYAN.stdSerializers.res, err: BUNYAN.stdSerializers.err }, src: true }); var EXPRESS = require('express'); var HTTP = require('http'); var PATH = require('path'); var CLIPPERZ = require('./clipperz'); var CONF = require('./conf'); var clipperz = CLIPPERZ({ psql: CONF.psql||'postgresql:///clipperz', logger: LOGGER, dump_template: PATH.join(__dirname,'htdocs/beta/index.html') }); var app = EXPRESS(); app.set('port', process.env.PORT || 3000); app.use(require('morgan')('dev')); app.use(require('body-parser').urlencoded({extended:true})); app.use(require('cookie-parser')('your secret here')); app.use(require('express-session')({secret:'99 little bugs in the code', key:'sid', store: clipperz.session_store(), resave: false, saveUninitialized: false })); -app.post('/json',clipperz.json); -app.get('/dump',clipperz.dump); +/* Like this: */ +app.use(clipperz.router); +/* Or this: */ +app.use('/clz/',clipperz.router); -app.use(EXPRESS.static(PATH.join(__dirname, 'htdocs/'))); if ('development' == app.get('env')) { app.use(require('express-error-with-sources')()); } HTTP.createServer(app).listen(app.get('port'), function(){ LOGGER.info({port:app.get('port')},"Listener established"); }); diff --git a/backend/node/src/clipperz.js b/backend/node/src/clipperz.js index 842de31..2a3df73 100644 --- a/backend/node/src/clipperz.js +++ b/backend/node/src/clipperz.js @@ -1,196 +1,198 @@ var FS = require('fs'); var CRYPTO = require('crypto'); var BIGNUM = require('bignum'); var ASYNC = require('async'); +var EXPRESS = require('express'); +var PATH = require('path'); var express_store = require('express-session').Store; function clipperz_hash(v) { return CRYPTO.createHash('sha256').update( CRYPTO.createHash('sha256').update(v).digest('binary') ).digest('hex'); }; function clipperz_random() { for(var r = '';r.length<64;r+=''+BIGNUM(Math.floor(Math.random()*1e18)).toString(16)); return r.substr(0,64); }; function clipperz_store(PG) { var rv = function(o) { express_store.call(this,o); } rv.prototype.get = function(sid,cb) { PG.Q( "SELECT s_data FROM clipperz.thesession WHERE s_id=$1",[sid], function(e,r) { cb(e,(e||!r.rowCount)?null:JSON.parse(r.rows[0].s_data)); } ) }; rv.prototype.set = function(sid,data,cb) { var d = JSON.stringify(data); PG.Q( "UPDATE clipperz.thesession SET s_data=$1, s_mtime=current_timestamp" +" WHERE s_id=$2",[d,sid], function(e,r) { if(e) return cb(e); if(r.rowCount) return cb(); PG.Q("INSERT INTO clipperz.thesession (s_id,s_data) VALUES ($1,$2)",[sid,d],cb); }); }; rv.prototype.destroy = function(sid,cb) { PG.Q( "DELETE FROM clipperz.thesession WHERE s_id=$1",[sid],cb ) }; rv.prototype.length = function(cb) { PG.Q( "SELECT count(*) AS c FROM clipperz.thesession", function(e,r) { cb(e,e?null:r.rows[0].c); } ) }; rv.prototype.clear = function(cb) { PQ.Q( "TRUNCATE clipperz.thesession", cb ) }; rv.prototype.__proto__ = express_store.prototype; return rv; } var srp_g = BIGNUM(2); var srp_n = BIGNUM("115b8b692e0e045692cf280b436735c77a5a9e8a9e7ed56c965f87db5b2a2ece3",16); var srp_k = BIGNUM("64398bff522814e306a97cb9bfc4364b7eed16a8c17c5208a40a2bad2933c8e",16); var srp_hn = "597626870978286801440197562148588907434001483655788865609375806439877501869636875571920406529"; var n123 = '112233445566778899aabbccddeeff00112233445566778899aabbccddeeff00'; var CLIPPERZ = module.exports = function(CONFIG) { var LOGGER = CONFIG.logger||{trace:function(){}}; var PG = { url: CONFIG.psql, PG: require('pg').native, Q: function(q,a,cb) { if('function'===typeof a) cb=a,a=[]; LOGGER.trace({query:q,args:a},'SQL: %s',q); PG.PG.connect(PG.url,function(e,C,D) { if(e) return cb(e); var t0=new Date(); C.query(q,a,function(e,r) { var t1=new Date(), dt=t1-t0; D(); LOGGER.trace({query:q,args:a,ms:dt,rows:r&&r.rowCount,err:e},"SQL query '%s' took %dms",q,dt); cb(e,r); }); }); }, T: function(cb) { PG.PG.connect(PG.url,function(e,C,D) { if(e) return cb(e); C.query('BEGIN',function(e){ if(e) return D(),cb(e); LOGGER.trace('SQL: transaction begun'); cb(null,{ Q: function(q,a,cb) { LOGGER.trace({query:q,args:a},'SQL: %s',q); if(this.over) return cb(new Error('game over')); if('function'===typeof a) cb=a,a=[]; var t0=new Date(); C.query(q,a,function(e,r) { var t1=new Date(), dt=t1-t0; LOGGER.trace({query:q,args:a,ms:dt,rows:r&&r.rowCount,err:e},"SQL query '%s' took %dms",q,dt); cb(e,r); }); }, commit: function(cb) { LOGGER.trace('SQL: commit'); if(this.over) return cb(new Error('game over')); return (this.over=true),C.query('COMMIT',function(e){D();cb&&cb(e)}); }, rollback: function(cb) { LOGGER.trace('SQL: rollback'); if(this.over) return cb(new Error('game over')); return (this.over=true),C.query('ROLLBACK',function(e){D();cb&&cb(e)}); }, end: function(e,cb) { if(e) return LOGGER.trace(e,"rolling back transaction due to an error"),this.rollback(cb); this.commit(cb); } }); }); }); } }; var rv = { json: function clipperz_json(req,res,cb) { var method = req.body.method, pp = JSON.parse(req.body.parameters).parameters; var message = pp.message; var ppp = pp.parameters; res.res = function(o) { return res.json({result:o}) }; LOGGER.trace({method:method,parameters:pp},"JSON request"); switch(method) { case 'registration': switch(message) { case 'completeRegistration': return PG.Q( "INSERT INTO clipperz.theuser" +" (u_name, u_srp_s,u_srp_v, u_authversion,u_header,u_statistics,u_version,u_lock)" +" VALUES ($1, $2,$3, $4,$5,$6,$7,$8)", [pp.credentials.C, pp.credentials.s, pp.credentials.v, pp.credentials.version,pp.user.header, pp.user.statistics, pp.user.version, pp.user.lock], function(e,r) { if(e) return cb(e); res.res({lock:pp.user.lock,result:'done'}); }); } break; case 'handshake': switch(message) { case 'connect': return ASYNC.auto({ u: function(cb) { PG.Q( "SELECT u_id, u_srp_s, u_srp_v FROM clipperz.theuser WHERE u_name=$1", [ppp.C], function(e,r) { if(e) return cb(e); if(!r.rowCount) return cb(null,{u_id:null,u_srp_s:n123,u_srp_v:n123}); cb(null,r.rows[0]); }) }, otp: ['u',function(cb,r) { if(!req.session.otp) return cb(); if(req.session.u!=r.u.u_id) return cb(new Error('user/OTP mismatch')); PG.Q( "UPDATE clipperz.theotp AS otp" +" SET" +" otps_id=CASE WHEN s.otps_code='REQUESTED' THEN (" +" SELECT ss.otps_id FROM clipperz.otpstatus AS ss WHERE ss.otps_code='USED'" +" ) ELSE otp.otps_id END," +" otp_utime=current_timestamp" +" FROM clipperz.otpstatus AS s, clipperz.theotp AS o" +" WHERE" +" o.otp_id=otp.otp_id AND otp.otps_id=s.otps_id" +" AND otp.otp_id=$1 AND otp.u_id=$2" +" RETURNING o.otps_id!=otp.otps_id AS yes, o.otp_ref", [ req.session.otp, req.session.u ], function(e,r) { if(e) return cb(e); if(!r.rowCount) return cb(new Error('no OTP found')); r=r.rows[0]; if(!r.yes) return cb(new Error('OTP is in a sorry state')); cb(null,{ref:r.otp_ref}); }); }] },function(e,r) { if(e) return cb(e); var A = BIGNUM(ppp.A,16); if(A.eq(0)) return cb(new Error('Ground Zero')); req.session.C = ppp.C; req.session.A = ppp.A; req.session.s = r.u.u_srp_s; req.session.v = r.u.u_srp_v; req.session.u = r.u.u_id; req.session.b = clipperz_random(); req.session.B = srp_k.mul(BIGNUM(req.session.v,16)).add(srp_g.powm(BIGNUM(req.session.b,16),srp_n)).toString(16); var rv = {s:req.session.s,B:req.session.B} if(r.otp && r.otp.otp_ref) rv.oneTimePassword=r.otp.otp_ref; res.res(rv); }); case 'credentialCheck': var u = clipperz_hash(BIGNUM(req.session.A,16).toString(10)+BIGNUM(req.session.B,16).toString(10)); var A = BIGNUM(req.session.A,16); var S = A.mul(BIGNUM(req.session.v,16).powm(BIGNUM(u,16),srp_n)).powm(BIGNUM(req.session.b,16),srp_n); var K = clipperz_hash(S.toString(10)); var M1 = clipperz_hash( srp_hn +clipperz_hash(req.session.C) +BIGNUM(req.session.s,16).toString(10) @@ -390,195 +392,199 @@ var CLIPPERZ = module.exports = function(CONFIG) { var otp = ppp.oneTimePassword; T.Q( "INSERT INTO clipperz.theotp" +" (u_id,otp_ref,otp_key,otp_key_checksum,otp_data,otp_version,otps_id)" +" SELECT $1,$2,$3,$4,$5,$6,otps_id FROM clipperz.otpstatus" +" WHERE otps_code='ACTIVE'", [ req.session.u, otp.reference, otp.key, otp.keyChecksum, otp.data, otp.version], function(e,r) { if(e) return cb(e); if(!r.rowCount) return cb(new Error('no user or status')); cb(); }); }, user: function(cb) { var u = ppp.user; T.Q( "UPDATE clipperz.theuser" +" SET u_header=$1, u_statistics=$2, u_version=$3, u_lock=COALESCE($4,u_lock)" +" WHERE u_id=$5", [ u.header, u.statistics, u.version, u.lock||null, req.session.u], function(e,r) { if(e) return cb(e); if(!r.rowCount) return cb(new Error("user's gone AWOL")); cb(); }); } },function(e,r) { T.end(e, function(e) { if(e) return cb(e); res.res({result:'done',lock:ppp.user.lock}); }); }); }); case 'updateOneTimePasswords': return PG.T(function(e,T) { if(e) return cb(e); ASYNC.parallel({ otp: function(cb) { T.Q( "DELETE FROM clipperz.theotp" +" WHERE u_id=$1" +" AND NOT otp_ref = ANY($2::text[])", [ req.session.u,'{'+ppp.oneTimePasswords.join(',')+'}' ],cb); }, user: function(cb) { var u = ppp.user; T.Q( "UPDATE clipperz.theuser" +" SET u_header=$1, u_statistics=$2, u_version=$3, u_lock=COALESCE($4,u_lock)" +" WHERE u_id=$5", [ u.header, u.statistics, u.version, u.lock||null, req.session.u], function(e,r) { if(e) return cb(e); if(!r.rowCount) return cb(new Error("user's gone AWOL")); cb(); }); } },function(e,r) { T.end(e, function(e) { if(e) return cb(e); res.res({result:ppp.user.lock}); }); }); }); case 'upgradeUserCredentials': return PG.T(function(e,T) { if(e) return cb(e); ASYNC.parallel({ user: function(cb) { var u = ppp.user, c = ppp.credentials; T.Q( "UPDATE clipperz.theuser" +" SET u_header=$1, u_statistics=$2, u_version=$3, u_lock=COALESCE($4,u_lock)," +" u_name=$5, u_srp_s=$6, u_srp_v=$7, u_authversion=$8" +" WHERE u_id=$9 RETURNING u_lock", [ u.header,u.statistics,u.version,u.lock||null, c.C,c.s,c.v,c.version, req.session.u ],function(e,r) { if(e) return cb(e); if(!r.rowCount) return cb(new Error("user's gone AWOL")); cb(e,r.rows[0]); }); }, otp: function(cb) { var otps=ppp.oneTimePasswords; if(!otps) return cb(); ASYNC.each(Object.keys(otps),function(r,cb) { T.Q( "UPDATE clipperz.theotp" +" SET otp_data=$1, otp_utime=current_timestamp WHERE otp_ref=$2 AND u_id=$3", [ otps[r], r, req.session.u ], function(e,r) { if(e) return cb(e); if(!r.rowCount) return cb(new Error("OTP's gone AWOL")); cb(); }); },cb); } },function(e,r) { T.end(e, function(e) { if(e) return cb(e); res.res({result:'done',lock:r.user.u_lock}); }); }); }); case 'deleteUser': return PG.Q( "DELETE FROM clipperz.theuser WHERE u_id=$1", [req.session.u],function(e,r) { if(e) return cb(e); res.res({result:'ok'}); }); case 'echo': return res.res({result:ppp}); case 'getOneTimePasswordsDetails': return res.res({}); case 'getLoginHistory': return res.res({result:[]}); } break; case 'logout': return req.session.destroy(function(e){res.res({})}); } cb(); }, dump: function(req,res,cb) { if(!req.session.u) return cb(new Error('logging in helps')); return ASYNC.parallel({ u: function(cb) { PG.Q( "SELECT" +" u_name, u_srp_s, u_srp_v, u_authversion, u_header, u_statistics, u_version" +" FROM clipperz.theuser WHERE u_id=$1",[req.session.u],function(e,r) { if(e) return cb(e); if(!r.rowCount) return cb(new Error("user's gone AWOL")); r = r.rows[0]; return cb(null,{u:r.u_name,d:{s:r.u_srp_s,v:r.u_srp_v, version:r.u_authversion, maxNumberOfRecords: '100', userDetails: r.u_header, statistics: r.u_statistics, userDetailsVersion: r.u_version }}); }); }, records: function(cb) { PG.Q( "SELECT" +" r.r_id, r.r_ref, r_data, r_version, r_ctime, r_mtime, r_atime," +" rv.rv_id, rv.rv_ref AS rv_ref, rv_header, rv_data, rv_version, rv_ctime, rv_mtime, rv_atime" +" FROM" +" clipperz.therecord AS r" +" LEFT JOIN clipperz.therecordversion AS rv USING (r_id)" +" WHERE r.u_id=$1" +" ORDER BY r.r_id ASC, rv.rv_id ASC", [req.session.u],function(e,r) { if(e) return cb(e); var rv = {}; r.rows.forEach(function(r) { if(!rv[r.r_ref]) rv[r.r_ref] = { data: r.r_data, version: r.r_version, creationDate: r.r_ctime.toString(), updateDate: r.r_mtime.toString(), accessDate: r.r_atime.toString(), versions: {} }; if(!r.rv_id) return; rv[r.r_ref].versions[rv[r.r_ref].currentVersion=r.rv_ref] = { header: r.rv_header, data: r.rv_data, version: r.rv_version, creationDate: r.rv_ctime.toString(), updateDate: r.rv_mtime.toString(), accessDate: r.rv_atime.toString() }; }); cb(null,rv); }); }, html: function(cb) { FS.readFile(CONFIG.dump_template,{encoding:'utf-8'},cb); } },function(e,r) { if(e) return cb(e); var d = new Date(); res.attachment('Clipperz_'+d.getFullYear()+'_'+(d.getMonth()+1)+'_'+d.getDate()+'.html'); var ojs = { users: { catchAllUser: { __masterkey_test_value__: 'masterkey', s: n123, v: n123 } } }; r.u.d.records = r.records; ojs.users[r.u.u] = r.u.d; res.send(r.html.replace('/*offline_data_placeholder*/', "_clipperz_dump_data_="+JSON.stringify(ojs) +";" +"Clipperz.PM.Proxy.defaultProxy = new Clipperz.PM.Proxy.Offline();" +"Clipperz.Crypto.PRNG.defaultRandomGenerator().fastEntropyAccumulationForTestingPurpose();")); }); } }; rv.__defineGetter__('session_store',function(){ return function(o) { return new (clipperz_store(PG))(o) } }); + (rv.router = require('express').Router()) + .post('/json',rv.json).get('/dump',rv.dump) + .use(EXPRESS.static(PATH.join(__dirname,'htdocs/'))); + return rv; }; |