gun/sea/share.js

;(function(){

    var User = require('./user'), SEA = User.SEA, Gun = User.GUN, noop = function(){};
    User.prototype.pair = function(){
      var user = this, proxy; // undeprecated, hiding with proxies.
      try{ proxy = new Proxy({DANGER:'\u2620'}, {get: function(t,p,r){
        if(!user.is || !(user._||'').sea){ return }
        return user._.sea[p];
      }})}catch(e){}
      return proxy;
    }
    // If authenticated user wants to delete his/her account, let's support it!
    User.prototype.delete = async function(alias, pass, cb){
      console.log("user.delete() IS DEPRECATED AND WILL BE MOVED TO A MODULE!!!");
      var gun = this, root = gun.back(-1), user = gun.back('user');
      try {
        user.auth(alias, pass, function(ack){
          var pub = (user.is||{}).pub;
          // Delete user data
          user.map().once(function(){ this.put(null) });
          // Wipe user data from memory
          user.leave();
          (cb || noop)({ok: 0});
        });
      } catch (e) {
        Gun.log('User.delete failed! Error:', e);
      }
      return gun;
    }
    User.prototype.alive = async function(){
      console.log("user.alive() IS DEPRECATED!!!");
      const gunRoot = this.back(-1)
      try {
        // All is good. Should we do something more with actual recalled data?
        await authRecall(gunRoot)
        return gunRoot._.user._
      } catch (e) {
        const err = 'No session!'
        Gun.log(err)
        throw { err }
      }
    }
    User.prototype.trust = async function(user){
      console.log("`.trust` API MAY BE DELETED OR CHANGED OR RENAMED, DO NOT USE!");
      // TODO: BUG!!! SEA `node` read listener needs to be async, which means core needs to be async too.
      //gun.get('alice').get('age').trust(bob);
      if (Gun.is(user)) {
        user.get('pub').get((ctx, ev) => {
          console.log(ctx, ev)
        })
      }
      user.get('trust').get(path).put(theirPubkey);

      // do a lookup on this gun chain directly (that gets bob's copy of the data)
      // do a lookup on the metadata trust table for this path (that gets all the pubkeys allowed to write on this path)
      // do a lookup on each of those pubKeys ON the path (to get the collab data "layers")
      // THEN you perform Jachen's mix operation
      // and return the result of that to...
    }
    User.prototype.grant = function(to, cb){
      console.log("`.grant` API MAY BE DELETED OR CHANGED OR RENAMED, DO NOT USE!");
      var gun = this, user = gun.back(-1).user(), pair = user._.sea, path = '';
      gun.back(function(at){ if(at.is){ return } path += (at.get||'') });
      (async function(){
      var enc, sec = await user.get('grant').get(pair.pub).get(path).then();
      sec = await SEA.decrypt(sec, pair);
      if(!sec){
        sec = SEA.random(16).toString();
        enc = await SEA.encrypt(sec, pair);
        user.get('grant').get(pair.pub).get(path).put(enc);
      }
      var pub = to.get('pub').then();
      var epub = to.get('epub').then();
      pub = await pub; epub = await epub;
      var dh = await SEA.secret(epub, pair);
      enc = await SEA.encrypt(sec, dh);
      user.get('grant').get(pub).get(path).put(enc, cb);
      }());
      return gun;
    }
    User.prototype.secret = function(data, cb){
      console.log("`.secret` API MAY BE DELETED OR CHANGED OR RENAMED, DO NOT USE!");
      var gun = this, user = gun.back(-1).user(), pair = user.pair(), path = '';
      gun.back(function(at){ if(at.is){ return } path += (at.get||'') });
      (async function(){
      var enc, sec = await user.get('trust').get(pair.pub).get(path).then();
      sec = await SEA.decrypt(sec, pair);
      if(!sec){
        sec = SEA.random(16).toString();
        enc = await SEA.encrypt(sec, pair);
        user.get('trust').get(pair.pub).get(path).put(enc);
      }
      enc = await SEA.encrypt(data, sec);
      gun.put(enc, cb);
      }());
      return gun;
    }

    /**
     * returns the decrypted value, encrypted by secret
     * @returns {Promise<any>}
     // Mark needs to review 1st before officially supported
    User.prototype.decrypt = function(cb) {
      let gun = this,
        path = ''
      gun.back(function(at) {
        if (at.is) {
          return
        }
        path += at.get || ''
      })
      return gun
        .then(async data => {
          if (data == null) {
            return
          }
          const user = gun.back(-1).user()
          const pair = user.pair()
          let sec = await user
            .get('trust')
            .get(pair.pub)
            .get(path)
          sec = await SEA.decrypt(sec, pair)
          if (!sec) {
            return data
          }
          let decrypted = await SEA.decrypt(data, sec)
          return decrypted
        })
        .then(res => {
          cb && cb(res)
          return res
        })
    }
    */
    module.exports = User
  
}());