signal-desktop/js/views/key_verification_view.js
2016-10-05 19:11:39 +09:00

79 lines
2.9 KiB
JavaScript

/*
* vim: ts=4:sw=4:expandtab
*/
(function () {
'use strict';
window.Whisper = window.Whisper || {};
Whisper.KeyVerificationView = Whisper.View.extend({
className: 'key-verification',
templateName: 'key_verification',
initialize: function(options) {
this.our_number = textsecure.storage.user.getNumber();
if (options.newKey) {
this.their_key = options.newKey;
}
Promise.all([
this.loadTheirKey(),
this.loadOurKey(),
]).then(this.generateSecurityNumber.bind(this))
.then(this.render.bind(this))
.then(this.makeQRCode.bind(this));
},
makeQRCode: function() {
new QRCode(this.$('.qr')[0]).makeCode(
dcodeIO.ByteBuffer.wrap(this.our_key).toString('base64')
);
},
loadTheirKey: function() {
if (this.their_key) {
return Promise.resolve(this.their_key);
} else {
return textsecure.storage.protocol.loadIdentityKey(
this.model.id
).then(function(their_key) {
this.their_key = their_key;
}.bind(this));
}
},
loadOurKey: function() {
if (this.our_key) {
return Promise.resolve(this.our_key);
} else {
return textsecure.storage.protocol.loadIdentityKey(
this.our_number
).then(function(our_key) {
this.our_key = our_key;
}.bind(this));
}
},
generateSecurityNumber: function() {
return new libsignal.FingerprintGenerator(5200).createFor(
this.our_number, this.our_key, this.model.id, this.their_key
).then(function(securityNumber) {
this.securityNumber = securityNumber;
}.bind(this));
},
render_attributes: function() {
var s = this.securityNumber;
var chunks = [];
for (var i = 0; i < s.length; i += 5) {
chunks.push(s.substring(i, i+5));
}
var yourSafetyNumberWith = i18n(
'yourSafetyNumberWith', this.model.getTitle()
);
return {
learnMore : i18n('learnMore'),
their_key_unknown : i18n('theirIdentityUnknown'),
yourSafetyNumberWith : i18n('yourSafetyNumberWith', this.model.getTitle()),
has_their_key : this.their_key !== undefined,
chunks : chunks,
};
}
});
Whisper.KeyVerificationPanelView = Whisper.KeyVerificationView.extend({
className: 'key-verification panel',
templateName: 'key_verification_panel',
});
})();