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Support Trusted Types (require-trusted-types-for 'script')

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#24,744 1 commentaire 0 réactions 0 personnes assignées Voir sur GitHub

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Évaluation

Difficulté
5/5
Temps estimé
Plus d'une semaine
Accessibilité débutants
35/100
Type d'issue
Fonctionnalité
Clarté
À clarifier
Activité
Active
Stack technique
react, typescript
Domaine
frontend, security

Piste de recherche

Start with the shared policy helper in #24738 and trace its use from showReportDialog. Then inspect the Replay compression worker, Feedback form, lazyLoadIntegration, loader script, and error-page-embed.js paths named in the report. Done means the affected sinks work under require-trusted-types-for 'script', with the policy and CSP requirements documented.

Rédigé par le modèle d'indexation à partir du texte de l'issue.

Description

Feature
Problem Statement

Apps that enforce Trusted Types (Content-Security-Policy: require-trusted-types-for 'script') can't use several SDK features without a pass-through default policy, which disables Trusted Types for the whole page.

Repro: https://github.com/oioki/trusted-types-sentry-js-sdk. It's a minimal Vite + React app with @sentry/react 11.0.0 and no Trusted Types policies of its own, so every violation comes from the SDK.

Sink Where Enforced result Workaround
new Worker(url) Replay compression worker Caught; replay continues useCompression: false (larger payloads)
innerHTML Feedback form (dangerouslySetInnerHTML: logo, success icon, screenshot styles) Form doesn't render showBranding: false covers the logo only
script.src showReportDialog() Throws, no dialog None
innerHTML error-page-embed.js (served by Sentry) Blocked once the dialog loads None
script.src lazyLoadIntegration() Throws None
script.src Loader Script Throws None

The workaround in #15913 (workerUrl) doesn't help: new Worker(url) requires a TrustedScriptURL for any string URL, not just blob: URLs, so a self-hosted worker still violates.

Teams with a strict CSP (enterprise, fintech, public sector, Angular and Lit users) currently have to choose between Sentry's Replay, Feedback and User Feedback dialog and enforcing Trusted Types. Teams in report-only rollout also get SDK noise in their violation reports, with no policy name they can allow.

Solution Brainstorm
  • The SDK creates one named policy, e.g. sentry-sdk, that validates rather than passes values through. It would allow only script URLs the SDK builds itself (DSN host plus the known paths, the CDN) and only static HTML. Apps allow it with trusted-types sentry-sdk.
  • Remove the innerHTML uses in feedback by building the SVG and styles with DOM APIs.
  • Document the CSP needed (trusted-types sentry-sdk, and 'allow-duplicates' when more than one SDK copy is on the page).
Additional Context

#24738 is a first step: a shared sentry-sdk policy helper, used by showReportDialog.

Priority

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Langage dominant
TypeScript
Étoiles
8.7k
Forks
1.9k
Merge moyen
1 j 15 h
PR mergées (30 j)
495

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