Merge pull request github#3820 from Marcono1234/patch-2

Add missing java.nio.file.Files methods to FileReadWrite.qll

Author: aschackmull

java/ql/src/semmle/code/java/security/FileReadWrite.qll

@@ -9,9 +9,9 @@ private predicate fileRead(VarAccess fileAccess, Expr fileReadingExpr) {
     cie = fileReadingExpr and
     cie.getArgument(0) = fileAccess
   |
-    cie.getConstructedType().hasQualifiedName("java.io", "RandomAccessFile") or
-    cie.getConstructedType().hasQualifiedName("java.io", "FileReader") or
-    cie.getConstructedType().hasQualifiedName("java.io", "FileInputStream")
+    cie
+        .getConstructedType()
+        .hasQualifiedName("java.io", ["RandomAccessFile", "FileReader", "FileInputStream"])
   )
   or
   exists(MethodAccess ma, Method filesMethod |
@@ -22,13 +22,9 @@ private predicate fileRead(VarAccess fileAccess, Expr fileReadingExpr) {
       // represented by the first argument.
       filesMethod.getDeclaringType().hasQualifiedName("java.nio.file", "Files") and
       fileAccess = ma.getArgument(0) and
-      (
-        filesMethod.hasName("readAllBytes") or
-        filesMethod.hasName("readAllLines") or
-        filesMethod.hasName("newBufferedReader") or
-        filesMethod.hasName("newInputReader") or
-        filesMethod.hasName("newByteChannel")
-      )
+      filesMethod
+          .hasName(["readAllBytes", "readAllLines", "readString", "lines", "newBufferedReader",
+                "newInputStream", "newByteChannel"])
     )
   )
   or