fix: allow a drive/filesystem root as the project root#338
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validatePathWithinRoot and isPathWithinRoot built the containment
prefix with `normalizedRoot + path.sep`. A drive root ("W:\", "C:\")
or POSIX root ("/") already ends with a separator, so the prefix
became "W:\\" / "//" — which no real path starts with. Every file
under a drive-root project was rejected as a traversal escape, so
`codegraph init W:\` failed with "all N files could not be read".
Add a rootPrefix() helper that appends a separator only when one is
missing, and route all three containment checks through it
(validatePathWithinRoot, isPathWithinRoot, isPathWithinRootReal).
Behavior is byte-identical for non-drive-root paths.
Add containment-check tests covering drive/filesystem roots, normal
nested roots, traversal escapes, and sibling-prefix paths.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
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Will make another PR updated to current repo state |
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Problem
codegraph init W:\(or any drive root) fails immediately — every fileis reported as "could not be read". With a large tree the CLI ends with
e.g.
Indexing failed - all 34,498 files had errors.Cause
validatePathWithinRootandisPathWithinRoot(src/utils.ts) build thecontainment prefix as
normalizedRoot + path.sep. A drive root (W:\,C:\) or POSIX root (/) already ends with a separator, so the prefixbecomes
W:\\///, which no real path starts with. Every file under adrive-root project is therefore rejected as a path-traversal escape. In
the batch reader (
src/extraction/index.ts) that surfaces as aread_error("files could not be read").Fix
Add a
rootPrefix()helper that appends a separator only when one ismissing, and route all three containment checks through it
(
validatePathWithinRoot,isPathWithinRoot, and the realpath branch ofisPathWithinRootReal). Behavior is byte-identical for non-drive-rootpaths.
Tests
New containment-check suite in
__tests__/security.test.tscoveringdrive/filesystem roots (win32- and POSIX-gated), normal nested roots,
traversal escapes, and sibling-prefix paths (
cg-rootvscg-root-evil).🤖 Generated with Claude Code