84 lines
2.3 KiB
JavaScript
84 lines
2.3 KiB
JavaScript
const crypto = require('crypto');
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const ghostBookshelf = require('./base');
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const {Role} = require('./role');
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/*
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* Uses birthday problem estimation to calculate chance of collision
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* d = 16^26 // 26 char hex string
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* n = 10,000,000 // 10 million
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*
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* (-n x (n-1)) / 2d
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* 1 - e^
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*
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*
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* 17
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* ~= 4 x 10^
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*
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* ref: https://medium.freecodecamp.org/how-long-should-i-make-my-api-key-833ebf2dc26f
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* ref: https://en.wikipedia.org/wiki/Birthday_problem#Approximations
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*
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* 26 char hex string = 13 bytes
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* 64 char hex string JWT secret = 32 bytes
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*/
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const createSecret = (type) => {
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const bytes = type === 'content' ? 13 : 32;
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return crypto.randomBytes(bytes).toString('hex');
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};
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const ApiKey = ghostBookshelf.Model.extend({
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tableName: 'api_keys',
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defaults() {
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const secret = createSecret(this.get('type'));
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return {
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secret
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};
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},
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role() {
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return this.belongsTo('Role');
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},
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// if an ApiKey does not have a related Integration then it's considered
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// "internal" and shouldn't show up in the UI. Example internal API Keys
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// would be the ones used for the scheduler and backup clients
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integration() {
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return this.belongsTo('Integration');
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},
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onSaving(model, attrs, options) {
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ghostBookshelf.Model.prototype.onSaving.apply(this, arguments);
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// enforce roles which are currently hardcoded
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// - admin key = Adminstrator role
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// - content key = no role
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if (this.hasChanged('type') || this.hasChanged('role_id')) {
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if (this.get('type') === 'admin') {
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return Role.findOne({name: 'Admin Integration'}, Object.assign({}, options, {columns: ['id']}))
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.then((role) => {
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this.set('role_id', role.get('id'));
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});
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}
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if (this.get('type') === 'content') {
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this.set('role_id', null);
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}
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}
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}
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}, {
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refreshSecret(data, options) {
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const secret = createSecret(data.type);
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return this.edit(Object.assign({}, data, {secret}), options);
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}
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});
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const ApiKeys = ghostBookshelf.Collection.extend({
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model: ApiKey
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});
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module.exports = {
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ApiKey: ghostBookshelf.model('ApiKey', ApiKey),
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ApiKeys: ghostBookshelf.collection('ApiKeys', ApiKeys)
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};
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