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[9.0] [Entitlements] Improve FileAccessTree logging (#127050) #127153

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Merged
merged 1 commit into from
Apr 22, 2025
Merged

[9.0] [Entitlements] Improve FileAccessTree logging (#127050) #127153

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25 changes: 20 additions & 5 deletions ...ntitlement/src/main/java/org/elasticsearch/entitlement/runtime/policy/FileAccessTree.java
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Original file line number Diff line number Diff line change
Expand Up @@ -256,6 +256,15 @@ private FileAccessTree(FilesEntitlement filesEntitlement, PathLookup pathLookup,
this.exclusivePaths = sortedExclusivePaths;
this.readPaths = pruneSortedPaths(readPaths).toArray(new String[0]);
this.writePaths = pruneSortedPaths(writePaths).toArray(new String[0]);

logger.debug(
() -> Strings.format(
"Created FileAccessTree with paths: exclusive [%s], read [%s], write [%s]",
String.join(",", this.exclusivePaths),
String.join(",", this.readPaths),
String.join(",", this.writePaths)
)
);
}

// package private for testing
Expand Down Expand Up @@ -303,11 +312,17 @@ public static FileAccessTree withoutExclusivePaths(
}

public boolean canRead(Path path) {
return checkPath(normalizePath(path), readPaths);
var normalizedPath = normalizePath(path);
var canRead = checkPath(normalizedPath, readPaths);
logger.trace(() -> Strings.format("checking [%s] (normalized to [%s]) for read: %b", path, normalizedPath, canRead));
return canRead;
}

public boolean canWrite(Path path) {
return checkPath(normalizePath(path), writePaths);
var normalizedPath = normalizePath(path);
var canWrite = checkPath(normalizedPath, writePaths);
logger.trace(() -> Strings.format("checking [%s] (normalized to [%s]) for write: %b", path, normalizedPath, canWrite));
return canWrite;
}

/**
Expand All @@ -325,7 +340,6 @@ static String normalizePath(Path path) {
}

private boolean checkPath(String path, String[] paths) {
logger.trace(() -> Strings.format("checking [%s] against [%s]", path, String.join(",", paths)));
if (paths.length == 0) {
return false;
}
Expand All @@ -343,8 +357,9 @@ private boolean checkPath(String path, String[] paths) {
}

private static boolean isParent(String maybeParent, String path) {
logger.trace(() -> Strings.format("checking isParent [%s] for [%s]", maybeParent, path));
return path.startsWith(maybeParent) && path.startsWith(FILE_SEPARATOR, maybeParent.length());
var isParent = path.startsWith(maybeParent) && path.startsWith(FILE_SEPARATOR, maybeParent.length());
logger.trace(() -> Strings.format("checking isParent [%s] for [%s]: %b", maybeParent, path, isParent));
return isParent;
}

@Override
Expand Down