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Diffstat (limited to 'docs/superpowers/specs/2026-08-02-qtmaildir-design.md')
| -rw-r--r-- | docs/superpowers/specs/2026-08-02-qtmaildir-design.md | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/docs/superpowers/specs/2026-08-02-qtmaildir-design.md b/docs/superpowers/specs/2026-08-02-qtmaildir-design.md index 1edc75f..0f49b61 100644 --- a/docs/superpowers/specs/2026-08-02-qtmaildir-design.md +++ b/docs/superpowers/specs/2026-08-02-qtmaildir-design.md @@ -312,6 +312,15 @@ pointed at input from strangers. from the current message's own parts are permitted. Remote images, CSS, and fonts are blocked before a connection opens, which defeats tracking pixels and read receipts. + + The document-load exemption is scoped to the **exact** base URL passed to + `setHtml()`, not to the whole `qtmaildir:` scheme. A blanket + scheme-level allow would let a hostile body reference + `qtmaildir://anything` and have it trusted, making the interceptor's + correctness depend on the scheme handler's. The interceptor fails closed: + with no document URL set, every `qtmaildir:` URL is denied. `MessageView` + must therefore call `setDocumentUrl()` with the same URL it gives + `setHtml()`. - When anything was blocked, the header bar shows "Remote content blocked" with a **Load remote content** button. Clicking it re-renders that one message with remote loads permitted. The grant is never sticky and never |