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Fix: Full Disk Access permission check using actual file read

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yuanyuanxiang
2026-05-01 09:32:15 +02:00
parent 979f309497
commit cfa9b581fc
2 changed files with 30 additions and 21 deletions
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44
macos/Permissions.mm
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@@ -49,30 +49,38 @@ void Permissions::openAccessibilitySettings() {
bool Permissions::checkFullDiskAccess() {
// There's no official API to check Full Disk Access.
// We try to read a protected file that requires FDA permission.
// Safari bookmarks is a commonly used test file.
// Try to actually read a protected file that requires FDA.
NSArray* testPaths = @[
[NSHomeDirectory() stringByAppendingPathComponent:@"Library/Safari/Bookmarks.plist"],
[NSHomeDirectory() stringByAppendingPathComponent:@"Library/Safari/CloudTabs.db"],
@"/Library/Application Support/com.apple.TCC/TCC.db",
[NSHomeDirectory() stringByAppendingPathComponent:@"Library/Application Support/com.apple.TCC/TCC.db"]
];
NSString* testPath = [NSHomeDirectory() stringByAppendingPathComponent:@"Library/Safari/Bookmarks.plist"];
NSFileManager* fm = [NSFileManager defaultManager];
for (NSString* path in testPaths) {
if ([fm fileExistsAtPath:path]) {
// File exists, try to read it
if ([fm isReadableFileAtPath:path]) {
return true; // Can read protected file = FDA granted
} else {
return false; // File exists but can't read = FDA not granted
}
if ([fm fileExistsAtPath:testPath]) {
// Try to actually read the file (more reliable than isReadableFileAtPath)
NSData* data = [NSData dataWithContentsOfFile:testPath];
if (data != nil) {
NSLog(@"FDA check: OK (can read Safari bookmarks)");
return true;
} else {
NSLog(@"FDA check: FAILED (Safari bookmarks exists but unreadable)");
return false;
}
}
// If none of the test files exist, assume FDA is granted
// (edge case: fresh system without Safari history)
// Safari bookmarks doesn't exist, try TCC database
testPath = @"/Library/Application Support/com.apple.TCC/TCC.db";
if ([fm fileExistsAtPath:testPath]) {
NSData* data = [NSData dataWithContentsOfFile:testPath];
if (data != nil) {
NSLog(@"FDA check: OK (can read TCC.db)");
return true;
} else {
NSLog(@"FDA check: FAILED (TCC.db exists but unreadable)");
return false;
}
}
// No test files exist, assume OK
NSLog(@"FDA check: SKIPPED (no test files found)");
return true;
}