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[platform] prevents recursive deletion of NTFS junctions; refined (IDEA-162327)

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This commit is contained in:
Roman Shevchenko
2016-12-12 11:45:06 +01:00
parent d9f70479db
commit 2ea62fddbc
1 changed files with 5 additions and 5 deletions
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platform/util-rt/src/com/intellij/openapi/util/io/FileUtilRt.java
+5 -5
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@@ -77,6 +77,7 @@ public class FileUtilRt {
private static Method ourFilesWalkMethod;
private static Method ourFileToPathMethod;
private static Method ourPathToFileMethod;
private static Method ourAttributesIsOtherMethod;
private static Object ourDeletionVisitor;
private static Class ourNoSuchFileExceptionClass;
private static Class ourAccessDeniedExceptionClass;
@@ -93,6 +94,7 @@ public class FileUtilRt {
ourFileToPathMethod = Class.forName("java.io.File").getMethod("toPath");
ourPathToFileMethod = pathClass.getMethod("toFile");
ourFilesWalkMethod = filesClass.getMethod("walkFileTree", pathClass, visitorClass);
ourAttributesIsOtherMethod = Class.forName("java.nio.file.attribute.BasicFileAttributes").getDeclaredMethod("isOther");
ourFilesDeleteIfExistsMethod = filesClass.getMethod("deleteIfExists", pathClass);
final Object Result_Continue = Class.forName("java.nio.file.FileVisitResult").getDeclaredField("CONTINUE").get(null);
@@ -110,14 +112,12 @@ public class FileUtilRt {
performDelete(args[0]);
}
else if (SystemInfoRt.isWindows && "preVisitDirectory".equals(methodName)) {
boolean reparsePoint = false;
boolean notDirectory = false;
try {
Method isReparsePoint = second.getClass().getDeclaredMethod("isReparsePoint");
isReparsePoint.setAccessible(true);
reparsePoint = Boolean.TRUE.equals(isReparsePoint.invoke(second));
notDirectory = Boolean.TRUE.equals(ourAttributesIsOtherMethod.invoke(second));
}
catch (Throwable ignored) { }
if (reparsePoint) {
if (notDirectory) {
performDelete(args[0]);
return Result_Skip;
}