1 files changed, 102 insertions, 0 deletions
diff --git a/modules/libjar/zipwriter/test/unit/test_zippermissions.js b/modules/libjar/zipwriter/test/unit/test_zippermissions.js
new file mode 100644
index 0000000000..2b094c0570
--- /dev/null
+++ b/modules/libjar/zipwriter/test/unit/test_zippermissions.js
@@ -0,0 +1,102 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+var TESTS = [];
+
+function build_tests() {
+  var id = 0;
+
+  // Minimum mode is 0o400
+  for (let u = 4; u <= 7; u++) {
+    for (let g = 0; g <= 7; g++) {
+      for (let o = 0; o <= 7; o++) {
+        TESTS[id] = {
+          name: "test" + u + g + o,
+          permission: (u << 6) + (g << 3) + o,
+        };
+        id++;
+      }
+    }
+  }
+}
+
+function run_test() {
+  build_tests();
+
+  var foStream = Cc["@mozilla.org/network/file-output-stream;1"].createInstance(
+    Ci.nsIFileOutputStream
+  );
+
+  var tmp = tmpDir.clone();
+  tmp.append("temp-permissions");
+  tmp.createUnique(Ci.nsIFile.DIRECTORY_TYPE, 0o755);
+
+  var file = tmp.clone();
+  file.append("tempfile");
+
+  zipW.open(tmpFile, PR_RDWR | PR_CREATE_FILE | PR_TRUNCATE);
+  for (let i = 0; i < TESTS.length; i++) {
+    // Open the file with the permissions to match how the zipreader extracts
+    // This obeys the umask
+    foStream.init(file, 0x02 | 0x08 | 0x20, TESTS[i].permission, 0);
+    foStream.close();
+
+    // umask may have altered the permissions so test against what they really were.
+    // This reduces the coverage of the test but there isn't much we can do
+    var perm = file.permissions & 0xfff;
+    if (TESTS[i].permission != perm) {
+      dump(
+        "File permissions for " +
+          TESTS[i].name +
+          " were " +
+          perm.toString(8) +
+          "\n"
+      );
+      TESTS[i].permission = perm;
+    }
+
+    zipW.addEntryFile(
+      TESTS[i].name,
+      Ci.nsIZipWriter.COMPRESSION_NONE,
+      file,
+      false
+    );
+    Assert.equal(
+      zipW.getEntry(TESTS[i].name).permissions,
+      TESTS[i].permission | 0o400
+    );
+    file.permissions = 0o600;
+    file.remove(true);
+  }
+  zipW.close();
+
+  zipW.open(tmpFile, PR_RDWR);
+  for (let i = 0; i < TESTS.length; i++) {
+    dump("Testing zipwriter file permissions for " + TESTS[i].name + "\n");
+    Assert.equal(
+      zipW.getEntry(TESTS[i].name).permissions,
+      TESTS[i].permission | 0o400
+    );
+  }
+  zipW.close();
+
+  var zipR = new ZipReader(tmpFile);
+  for (let i = 0; i < TESTS.length; i++) {
+    dump("Testing zipreader file permissions for " + TESTS[i].name + "\n");
+    Assert.equal(
+      zipR.getEntry(TESTS[i].name).permissions,
+      TESTS[i].permission | 0o400
+    );
+    dump("Testing extracted file permissions for " + TESTS[i].name + "\n");
+    zipR.extract(TESTS[i].name, file);
+    Assert.equal(file.permissions & 0xfff, TESTS[i].permission);
+    Assert.ok(!file.isDirectory());
+    file.permissions = 0o600;
+    file.remove(true);
+  }
+  zipR.close();
+
+  tmp.remove(true);
+}