* 🐛 Sanitize smuggled SVG on binfile import
Route imported SVG storage objects through the SVG sanitizer on
all three binfile paths (v3, v1, v2), closing the second bypass
of GHSA-ffhp-m958-qxvr. Integrity checks still run on the raw
bundle bytes first; only the persisted copy is the sanitized one.
Adds a shared sanitize-imported-svg helper with unit tests and a
v3 export-tamper-import test proving smuggled scripts no longer
survive the import.
AI-assisted-by: muse-spark-1.3-contributor
* 🐛 Normalize SVG content-type on binfile import
Close the residual GHSA-ffhp-m958-qxvr bypass where a crafted
content-type spelling (uppercase, parameters) skipped the import
sanitizer. Detection now uses a shared case-insensitive predicate,
stored values are canonicalized, and the v3 re-read honors the
import size limit.
Extends the tamper tests to obfuscated spellings and adds
exhaustive v1 coverage, including the tempfile branch.
AI-assisted-by: muse-spark-1.3-contributor
* 🐛 Gate binfile content-type on known storage types
Define the complete set of storage content-types in
app.common.media and enforce it on the binfile import schema, so
unknown types fail closed instead of passing through. Detection
keeps a single normalization at the boundary with an exact
predicate, and the string helpers use cuerdas.
AI-assisted-by: muse-spark-1.3-contributor
* 🐛 Keep only produced types in storage-object-types
Drop apng, avif, penpot and plain text from the set: no flow
stores them, they only exist in the extension mapping table.
Every member must have a producing code path; unproduced types
stay out until some flow actually stores them.
AI-assisted-by: muse-spark-1.3-contributor
* 🐛 Reject unknown content-type on v1 binfile import
Enforce the storage content-type allowlist on the v1 import
path, like v3 already does via schema. Bundles declaring types
outside the set, or none at all, fail closed with the same
media-type-not-allowed error as uploads. The sanitize branch is
explicit: SVG bytes are sanitized, anything else passes through.
AI-assisted-by: muse-spark-1.3-contributor
