Replica: feat(make-user): non-interactive mode via POSTAL_INITIAL_USER_* env vars#72
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The app-wide CSP already blocks inline script execution, but the HTML preview iframe for a stored email was same-origin and un-sandboxed, and the html_raw response had no per-action hardening. Add a sandbox on the iframe and tighten the CSP on html_raw to script-src 'none' with nosniff and no-referrer so the preview has defence in depth against a future CSP bypass or regression. Relates to GHSA-f6g9-8555-cw28.
The /img/<server>/<message> endpoint accepted a src=<url> query parameter and proxied the body of that URL back to the caller. Nothing in the codebase ever produces a src= parameter — the parser only inserts a plain tracking pixel and rewrites href links — so this branch is dead code inherited from the original AppMail import. Drop the src branch: requests with src now return 400. The no-src path that serves the tracking pixel and records loads is unchanged, and a spec covers both the pixel-serving path and the removed branch.
The endpoint and domain option helpers interpolated model attributes straight into an HTML string before marking the whole buffer html_safe. Wrap the interpolations in h() so untrusted attributes can't break out of the surrounding tag. Also stop the helpers glob in rails_helper from eagerly requiring _spec.rb files so helper specs can live under spec/helpers/, and add a small application helper spec covering the escape behaviour.
url_with_return_to only checked that return_to started with a forward slash, which also allowed protocol-relative values like //host and /\host. Rails 7.1 already refuses to follow those via redirect_to, so the user just saw a 500. Reject the same shapes in the helper instead so we fall back to the default URL cleanly. Adds a sessions request spec covering the rejected shapes plus the happy-path relative redirect.
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…d partial-env fallthrough
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Questa PR replica la PR originale: postalserver#3574
Autore originale: @maxlevine-mhi
Branch originale:
feat/non-interactive-make-userRepository originale: maxlevine-mhi/postal
Adds non-interactive support to postal make-user. When POSTAL_INITIAL_USER_EMAIL is set, make-user skips HighLine prompts and reads all four fields from env: POSTAL_INITIAL_USER_EMAIL, POSTAL_INITIAL_USER_FIRST_NAME, POSTAL_INITIAL_USER_LAST_NAME, POSTAL_INITIAL_USER_PASSWORD. Upserts by email (creates new or updates first/last/password on existing). Exit code is non-zero on missing vars or validation failure. Interactive path is unchanged. Adds spec/util/user_creator_spec.rb covering create, update, missing-var, validation-failure. For local testing on the fork before any upstream submission. Companion docs PR: postalserver/docs#89