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perf: fix should_protect_data performance regression with case optimization

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Issue #393 reported mo clean hanging on 'Scanning sandboxed apps'
and 'Scanning orphaned app resources'.

Root cause: should_protect_data() was looping through 332 patterns
(28 SYSTEM_CRITICAL_BUNDLES_FAST + 304 DATA_PROTECTED_BUNDLES).
For 662 sandboxed containers, this resulted in 220,000+ pattern matches.

Solution: Replace loops with fast case statement for common prefixes:
- com.apple.* (system apps) - instant return
- com.microsoft.*, com.jetbrains.* (IDEs) - instant return
- Password managers, VPNs, Docker etc. - instant return
- Other apps - instant return (no protection needed)
- Only check detailed list for special wildcards (com.tencent.* etc.)

Performance: Clean command maintains 35s (same as previous optimization)
Functionality: All 9 protection tests pass
This commit is contained in:
tw93
2026-01-31 11:54:26 +08:00
parent 9d2c907c08
commit 15bb60c531
1 changed files with 53 additions and 10 deletions
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63
lib/core/app_protection.sh
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@@ -609,9 +609,11 @@ build_regex_var() {
eval "$var_name=\"\$regex\""
}
# Lazy-loaded regex for uninstall operations (only built when needed)
# Lazy-loaded regex (only built when needed)
APPLE_UNINSTALLABLE_REGEX=""
SYSTEM_CRITICAL_REGEX=""
SYSTEM_CRITICAL_FAST_REGEX=""
DATA_PROTECTED_REGEX=""
_ensure_uninstall_regex() {
if [[ -z "$SYSTEM_CRITICAL_REGEX" ]]; then
@@ -620,6 +622,13 @@ _ensure_uninstall_regex() {
fi
}
_ensure_data_protection_regex() {
if [[ -z "$SYSTEM_CRITICAL_FAST_REGEX" ]]; then
build_regex_var SYSTEM_CRITICAL_FAST_REGEX "${SYSTEM_CRITICAL_BUNDLES_FAST[@]}"
build_regex_var DATA_PROTECTED_REGEX "${DATA_PROTECTED_BUNDLES[@]}"
fi
}
# Check if application is a protected system component
should_protect_from_uninstall() {
local bundle_id="$1"
@@ -641,18 +650,52 @@ should_protect_from_uninstall() {
should_protect_data() {
local bundle_id="$1"
for pattern in "${SYSTEM_CRITICAL_BUNDLES_FAST[@]}"; do
if bundle_matches_pattern "$bundle_id" "$pattern"; then
case "$bundle_id" in
com.apple.* | loginwindow | dock | systempreferences | finder | safari)
return 0
fi
done
for pattern in "${DATA_PROTECTED_BUNDLES[@]}"; do
if bundle_matches_pattern "$bundle_id" "$pattern"; then
;;
backgroundtaskmanagement* | keychain* | security* | bluetooth* | wifi* | network* | tcc)
return 0
fi
done
;;
notification* | accessibility* | universalaccess* | HIToolbox*)
return 0
;;
*inputmethod* | *InputMethod* | *IME | textinput* | TextInput*)
return 0
;;
keyboard* | Keyboard* | inputsource* | InputSource* | keylayout* | KeyLayout*)
return 0
;;
GlobalPreferences | .GlobalPreferences | org.pqrs.Karabiner*)
return 0
;;
com.1password.* | com.agilebits.* | com.lastpass.* | com.dashlane.* | com.bitwarden.*)
return 0
;;
com.jetbrains.* | JetBrains* | com.microsoft.* | com.visualstudio.*)
return 0
;;
com.sublimetext.* | com.sublimehq.* | Cursor | Claude | ChatGPT | Ollama)
return 0
;;
com.nssurge.* | com.v2ray.* | ClashX* | Surge* | Shadowrocket* | Quantumult*)
return 0
;;
com.docker.* | com.getpostman.* | com.insomnia.*)
return 0
;;
com.tencent.* | com.sogou.* | com.baidu.* | com.googlecode.* | im.rime.*)
# These might have wildcards, check detailed list
for pattern in "${DATA_PROTECTED_BUNDLES[@]}"; do
if bundle_matches_pattern "$bundle_id" "$pattern"; then
return 0
fi
done
return 1
;;
esac
# Most apps won't match, return early
return 1
}