46 lines
1.2 KiB
JavaScript
46 lines
1.2 KiB
JavaScript
const { ActivityStreamsContext } = require('./const');
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const { WellKnownLocations } = require('../servers/content/web');
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// deps
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const { isString } = require('lodash');
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const { v4: UUIDv4 } = require('uuid');
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module.exports = class ActivityPubObject {
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constructor(obj) {
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this['@context'] = ActivityStreamsContext;
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Object.assign(this, obj);
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}
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static fromJsonString(s) {
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let obj;
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try {
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obj = JSON.parse(s);
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obj = new ActivityPubObject(obj);
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} catch (e) {
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return null;
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}
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return obj;
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}
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isValid() {
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const nes = s => isString(s) && s.length > 1;
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// :TODO: Additional validation
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if (
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(this['@context'] === ActivityStreamsContext ||
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this['@context'][0] === ActivityStreamsContext) &&
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nes(this.id) &&
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nes(this.type)
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) {
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return true;
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}
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return false;
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}
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static makeObjectId(webServer, suffix) {
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// e.g. http://some.host/_enig/ap/bf81a22e-cb3e-41c8-b114-21f375b61124/activity
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return webServer.buildUrl(
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WellKnownLocations.Internal + `/ap/${UUIDv4()}/${suffix}`
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);
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}
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};
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