588e194d59
Removes 9×20 LOC duplication of KEI_DISABLED_HOOKS gate logic from each hook into hooks/_lib/gate.sh. Next CVE in gate path fixes in ONE file, not 9. hooks/_lib/gate.sh (new, 57 LOC) — POSIX sh library, single kei_hook_gate() function. Exact-token tokenize on comma OR space (RED-1 fix preserved). Minimal-profile whitelist baked in: no-hand-edit-agents, assemble-validate, agent-fork-logger, session-end-dump. Idempotent re-source guard. hooks/_lib/test-gate.sh (new, 47 LOC) — 11 test cases covering empty/comma/space/whitespace/substring-NOT-match/literal 'all'/ minimal-profile included+excluded/minimal+disabled combo. Per-hook shim (exactly 2 LOC, same in all 9): _KEI_LIB="$(dirname "$0")/_lib/gate.sh" if [ -r "$_KEI_LIB" ]; then . "$_KEI_LIB"; kei_hook_gate "<name>" || exit 0; fi Net LOC delta: −171 (hooks) +104 (lib new) +15 (installer) = −52. Gate semantics bit-identical to v0.15.1 hotfix on the 6 enumerated behaviors; off/advisory-off profile values dropped per spec (only 'minimal' recognized, any other = full). Fail-open on missing lib — if _lib/gate.sh absent (old install pre-v0.17), hook falls through to normal operation. install.sh — +15 LOC copies hooks/_lib/*.sh to $HOOKS_DIR/_lib/, preserving relative path the shim expects. Note: v0.16 split this file; A1 worktree was based on pre-split main — merge into current main required resolving conflict so _lib-copy logic moved to install/lib-hooks.sh. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
58 lines
2 KiB
Bash
Executable file
58 lines
2 KiB
Bash
Executable file
#!/bin/sh
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# PreToolUse(Read) — auto-convert non-native formats to markdown and redirect
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# Claude to read the converted file instead of the opaque binary.
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#
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# Exit 0 = allow (passthrough). Exit 2 = block with stderr message (Claude
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# reads the stderr text and switches to the converted path).
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#
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# Stdin: JSON with tool_input.file_path.
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# Silent fall-through if jq is absent; otherwise `set -eu` would abort and
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# Claude Code would refuse Read system-wide.
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command -v jq >/dev/null 2>&1 || exit 0
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_KEI_LIB="$(dirname "$0")/_lib/gate.sh"
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if [ -r "$_KEI_LIB" ]; then . "$_KEI_LIB"; kei_hook_gate "tomd-preread" || exit 0; fi
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set -eu
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TOMD="$HOME/.claude/agents/_primitives/tomd.sh"
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CACHE_DIR="${KEISEI_TOMD_CACHE:-/tmp/keisei-tomd-cache}"
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FILE=$(jq -r '.tool_input.file_path // empty')
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[ -n "$FILE" ] || exit 0
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[ -f "$FILE" ] || exit 0
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# Extension whitelist — only these formats trigger conversion.
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EXT=$(printf '%s' "${FILE##*.}" | tr '[:upper:]' '[:lower:]')
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case "$EXT" in
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docx|doc|xlsx|pptx|csv) ;;
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*) exit 0 ;;
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esac
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# tomd primitive must be installed; if absent, don't block the Read.
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[ -x "$TOMD" ] || exit 0
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mkdir -p "$CACHE_DIR"
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# Cache key: basename + mtime + short path-hash. Path-hash disambiguates
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# two files with the same basename+mtime at different paths (otherwise they
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# would collide and Claude would silently read the wrong conversion).
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# Portable stat for macOS + Linux; portable shasum shim.
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BASENAME=$(basename "$FILE")
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MTIME=$(stat -f %m "$FILE" 2>/dev/null || stat -c %Y "$FILE" 2>/dev/null || echo 0)
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PATH_HASH=$(printf '%s' "$FILE" | shasum 2>/dev/null | cut -c1-8)
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[ -n "$PATH_HASH" ] || PATH_HASH="nohash"
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MD_FILE="$CACHE_DIR/${BASENAME%.*}-${MTIME}-${PATH_HASH}.md"
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if [ ! -s "$MD_FILE" ]; then
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"$TOMD" "$FILE" > "$MD_FILE" 2>/dev/null || true
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fi
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if [ -s "$MD_FILE" ]; then
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echo "[tomd-preread] Auto-converted to markdown: $MD_FILE. Use Read on $MD_FILE instead of $FILE." >&2
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exit 2
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fi
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# Conversion failed or produced empty output — degrade gracefully.
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exit 0
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