69 lines
2 KiB
JavaScript
69 lines
2 KiB
JavaScript
import { isEmpty } from '@ember/utils';
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import { inject as service } from '@ember/service';
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import DS from 'ember-data';
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/*
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* extends DS.RESTSerializer to implement encryption
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*
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* By default every attribute hash is encrypted using SJCL.
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* This is configurable by options parameter of DS.attr().
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*
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* Options:
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* - encrypted (boolean)
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* If false the attribute won't be encrypted.
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* - includePlainOnCreate (string)
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* If set the attribute will be included plain (not encrypted) when
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* recorde is created. Value is the attributes name used.
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*/
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export default DS.RESTSerializer.extend({
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isNewSerializerAPI: true,
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encryption: service(),
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/*
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* implement decryption
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*/
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normalize(modelClass, resourceHash, prop) {
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// run before serialization of attribute hash
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modelClass.eachAttribute(function(key, attributes) {
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if (
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attributes.options.encrypted !== false
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) {
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if (typeof resourceHash[key] !== 'undefined' && resourceHash[key] !== null) {
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resourceHash[key] = this.encryption.decrypt(resourceHash[key]);
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}
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}
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}, this);
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// run legacy support transformation specified in model serializer
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if (typeof this.legacySupport === 'function') {
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resourceHash = this.legacySupport(resourceHash);
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}
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return this._super(modelClass, resourceHash, prop);
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},
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/*
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* implement encryption
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*/
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serializeAttribute(snapshot, json, key, attribute) {
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this._super(snapshot, json, key, attribute);
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// map includePlainOnCreate after serialization of attribute hash
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// but before encryption so we can just use the serialized hash
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if (
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!isEmpty(attribute.options.includePlainOnCreate) &&
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typeof attribute.options.includePlainOnCreate === 'string'
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) {
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json[attribute.options.includePlainOnCreate] = json[key];
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}
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// encrypt after serialization of attribute hash
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if (
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attribute.options.encrypted !== false
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) {
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json[key] = this.encryption.encrypt(json[key]);
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}
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}
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});
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