@grafana/faro-web-sdk/dist/esm/instrumentations/csp/instrumentation.js

Faro instrumentations, metas, transports for web.

import { BaseInstrumentation, stringifyObjectValues, VERSION } from '@grafana/faro-core';
export class CSPInstrumentation extends BaseInstrumentation {
    constructor() {
        super();
        this.name = '@grafana/faro-web-sdk:instrumentation-csp';
        this.version = VERSION;
    }
    initialize() {
        document.addEventListener('securitypolicyviolation', this.securitypolicyviolationHandler.bind(this));
    }
    destroy() {
        document.removeEventListener('securitypolicyviolation', this.securitypolicyviolationHandler);
    }
    securitypolicyviolationHandler(ev) {
        // We must explicitly extract properties because SecurityPolicyViolationEvent
        // properties are getters on the prototype chain, not own enumerable properties.
        // Object.entries() would not capture them.
        const attributes = {
            blockedURI: ev.blockedURI,
            columnNumber: ev.columnNumber,
            disposition: ev.disposition,
            documentURI: ev.documentURI,
            effectiveDirective: ev.effectiveDirective,
            lineNumber: ev.lineNumber,
            originalPolicy: ev.originalPolicy,
            referrer: ev.referrer,
            sample: ev.sample,
            sourceFile: ev.sourceFile,
            statusCode: ev.statusCode,
            violatedDirective: ev.violatedDirective,
        };
        this.api.pushEvent('securitypolicyviolation', stringifyObjectValues(attributes));
    }
}
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