New FileSystemURL cracking

webkit/fileapi/external_mount_points_unittest.cc

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "webkit/fileapi/external_mount_points.h"
 
 #include <string>
 
 #include "base/file_path.h"
 #include "testing/gtest/include/gtest/gtest.h"
+#include "webkit/fileapi/file_system_url.h"
 
 #define FPL FILE_PATH_LITERAL
 
 #if defined(FILE_PATH_USES_DRIVE_LETTERS)
 #define DRIVE FPL("C:")
 #else
 #define DRIVE
 #endif
 
+using fileapi::FileSystemURL;
+
 namespace {
 
 TEST(ExternalMountPointsTest, AddMountPoint) {
   scoped_refptr<fileapi::ExternalMountPoints> mount_points(
       fileapi::ExternalMountPoints::CreateRefCounted());
 
   struct TestCase {
     // The mount point's name.
     const char* const name;
     // The mount point's path.
@@ skipping 186 matching lines @@
     // fails.
     if (!kTestCases[i].success)
       continue;
 
     FilePath expected_virtual_path(kTestCases[i].virtual_path);
     EXPECT_EQ(expected_virtual_path.NormalizePathSeparators(), virtual_path)
         << "Resolving " << kTestCases[i].local_path;
   }
 }
 
+TEST(ExternalMountPointsTest, CanHandleURL) {
+  scoped_refptr<fileapi::ExternalMountPoints> mount_points(
+      fileapi::ExternalMountPoints::CreateRefCounted());
+
+  const GURL test_origin("http://chromium.org");
+  const FilePath test_path(FPL("/mount"));
+
+  // Shouldn't handle invalid URL.
+  EXPECT_FALSE(mount_points->CanHandleURL(FileSystemURL()));
+
+  // Should handle External File System.
+  EXPECT_TRUE(mount_points->CanHandleURL(FileSystemURL::CreateForTest(
+      test_origin, fileapi::kFileSystemTypeExternal, test_path)));
+
+  // Shouldn't handle the rest.
+  EXPECT_FALSE(mount_points->CanHandleURL(FileSystemURL::CreateForTest(
+      test_origin, fileapi::kFileSystemTypeIsolated, test_path)));
+  EXPECT_FALSE(mount_points->CanHandleURL(FileSystemURL::CreateForTest(
+      test_origin, fileapi::kFileSystemTypeTemporary, test_path)));
+  EXPECT_FALSE(mount_points->CanHandleURL(FileSystemURL::CreateForTest(
+      test_origin, fileapi::kFileSystemTypePersistent, test_path)));
+  EXPECT_FALSE(mount_points->CanHandleURL(FileSystemURL::CreateForTest(
+      test_origin, fileapi::kFileSystemTypeTest, test_path)));
+  // Not even if it's external subtype.
+  EXPECT_FALSE(mount_points->CanHandleURL(FileSystemURL::CreateForTest(
+      test_origin, fileapi::kFileSystemTypeNativeLocal, test_path)));
+  EXPECT_FALSE(mount_points->CanHandleURL(FileSystemURL::CreateForTest(
+      test_origin, fileapi::kFileSystemTypeRestrictedNativeLocal, test_path)));
+  EXPECT_FALSE(mount_points->CanHandleURL(FileSystemURL::CreateForTest(
+      test_origin, fileapi::kFileSystemTypeDrive, test_path)));
+  EXPECT_FALSE(mount_points->CanHandleURL(FileSystemURL::CreateForTest(
+      test_origin, fileapi::kFileSystemTypeSyncable, test_path)));
+}
+
+TEST(ExternalMountPointsTest, CrackURL) {
+  scoped_refptr<fileapi::ExternalMountPoints> mount_points(
+      fileapi::ExternalMountPoints::CreateRefCounted());
+
+  const GURL kTestOrigin("http://chromium.org");
+
+  mount_points->RegisterFileSystem("c",
+                                   fileapi::kFileSystemTypeNativeLocal,
+                                   FilePath(DRIVE FPL("/a/b/c")));
+  mount_points->RegisterFileSystem("c(1)",
+                                   fileapi::kFileSystemTypeDrive,
+                                   FilePath(DRIVE FPL("/a/b/c(1)")));
+  mount_points->RegisterFileSystem("empty_path",
+                                   fileapi::kFileSystemTypeSyncable,
+                                   FilePath(FPL("")));
+  mount_points->RegisterFileSystem("mount",
+                                   fileapi::kFileSystemTypeDrive,
+                                   FilePath(DRIVE FPL("/root")));
+
+  // Try cracking isolated path.
+  FileSystemURL isolated = mount_points->CrackFileSystemURL(
+      FileSystemURL::CreateForTest(kTestOrigin,
+                                   fileapi::kFileSystemTypeIsolated,
+                                   FilePath(FPL("c"))));
+  EXPECT_FALSE(isolated.is_valid());
+
+  // Try native local which is no tcracked.
+  FileSystemURL native_local = mount_points->CrackFileSystemURL(
+      FileSystemURL::CreateForTest(kTestOrigin,
+                                   fileapi::kFileSystemTypeNativeLocal,
+                                   FilePath(FPL("c"))));
+  EXPECT_FALSE(native_local.is_valid());
+
+  struct TestCase {
+    const FilePath::CharType* const path;
+    bool expect_valid;
+    fileapi::FileSystemType expect_type;
+    const FilePath::CharType* const expect_path;
+    const char* const expect_fs_id;
+  };
+
+  const TestCase kTestCases[] = {
+    { FPL("c/d/e"),
+      true, fileapi::kFileSystemTypeNativeLocal, DRIVE FPL("/a/b/c/d/e"), "c" },
+    { FPL("c(1)/d/e"),
+      true, fileapi::kFileSystemTypeDrive, DRIVE FPL("/a/b/c(1)/d/e"), "c(1)" },
+    { FPL("c(1)"),
+      true, fileapi::kFileSystemTypeDrive, DRIVE FPL("/a/b/c(1)"), "c(1)" },
+    { FPL("empty_path/a"),
+      true, fileapi::kFileSystemTypeSyncable, FPL("a"), "empty_path" },
+    { FPL("empty_path"),
+      true, fileapi::kFileSystemTypeSyncable, FPL(""), "empty_path" },
+    { FPL("mount/a/b"),
+      true, fileapi::kFileSystemTypeDrive, DRIVE FPL("/root/a/b"), "mount" },
+    { FPL("mount"),
+      true, fileapi::kFileSystemTypeDrive, DRIVE FPL("/root"), "mount" },
+    { FPL("cc"),
+      false, fileapi::kFileSystemTypeUnknown, FPL(""), "" },
+    { FPL(""),
+      false, fileapi::kFileSystemTypeUnknown, FPL(""), "" },
+    { FPL(".."),
+      false, fileapi::kFileSystemTypeUnknown, FPL(""), "" },
+    // Absolte paths.
+    { FPL("/c/d/e"),
+      false, fileapi::kFileSystemTypeUnknown, FPL(""), "" },
+    { FPL("/c(1)/d/e"),
+      false, fileapi::kFileSystemTypeUnknown, FPL(""), "" },
+    { FPL("/empty_path"),
+      false, fileapi::kFileSystemTypeUnknown, FPL(""), "" },
+    // PAth references parent.
+    { FPL("c/d/../e"),
+      false, fileapi::kFileSystemTypeUnknown, FPL(""), "" },
+    { FPL("/empty_path/a/../b"),
+      false, fileapi::kFileSystemTypeUnknown, FPL(""), "" },
+#if defined(FILE_PATH_USES_WIN_SEPARATORS)
+    { FPL("c/d\\e"),
+      true, fileapi::kFileSystemTypeNativeLocal, DRIVE FPL("/a/b/c/d/e"), "c" },
+    { FPL("mount\\a\\b"),
+      true, fileapi::kFileSystemTypeDrive, DRIVE FPL("/root/a/b"), "mount" },
+#endif
+  };
+
+  for (size_t i = 0; i < ARRAYSIZE_UNSAFE(kTestCases); ++i) {
+    FileSystemURL cracked = mount_points->CrackFileSystemURL(
+        FileSystemURL::CreateForTest(kTestOrigin,
+                                     fileapi::kFileSystemTypeExternal,
+                                     FilePath(kTestCases[i].path)));
+
+    EXPECT_EQ(kTestCases[i].expect_valid, cracked.is_valid())
+        << "Test case index: " << i;
+    EXPECT_EQ(kTestCases[i].expect_valid, cracked.is_cracked())
+        << "Test case index: " << i;
+
+    if (!kTestCases[i].expect_valid)
+      continue;
+
+    EXPECT_EQ(kTestOrigin, cracked.origin())
+        << "Test case index: " << i;
+    EXPECT_EQ(kTestCases[i].expect_type, cracked.type())
+        << "Test case index: " << i;
+    EXPECT_EQ(FilePath(kTestCases[i].expect_path).NormalizePathSeparators(),
+                       cracked.path())
+        << "Test case index: " << i;
+    EXPECT_EQ(FilePath(kTestCases[i].path).NormalizePathSeparators(),
+                       cracked.virtual_path())
+        << "Test case index: " << i;
+    EXPECT_EQ(kTestCases[i].expect_fs_id, cracked.filesystem_id())
+        << "Test case index: " << i;
+    EXPECT_EQ(fileapi::kFileSystemTypeExternal, cracked.mount_type())
+        << "Test case index: " << i;
+  }
+}
+
+TEST(ExternalMountPointsTest, CrackVirtualPath) {
+  scoped_refptr<fileapi::ExternalMountPoints> mount_points(
+      fileapi::ExternalMountPoints::CreateRefCounted());
+
+  const GURL kTestOrigin("http://chromium.org");
+
+  mount_points->RegisterFileSystem("c",
+                                   fileapi::kFileSystemTypeNativeLocal,
+                                   FilePath(DRIVE FPL("/a/b/c")));
+  mount_points->RegisterFileSystem("c(1)",
+                                   fileapi::kFileSystemTypeDrive,
+                                   FilePath(DRIVE FPL("/a/b/c(1)")));
+  mount_points->RegisterFileSystem("empty_path",
+                                   fileapi::kFileSystemTypeSyncable,
+                                   FilePath(FPL("")));
+  mount_points->RegisterFileSystem("mount",
+                                   fileapi::kFileSystemTypeDrive,
+                                   FilePath(DRIVE FPL("/root")));
+
+  struct TestCase {
+    const FilePath::CharType* const path;
+    bool expect_valid;
+    fileapi::FileSystemType expect_type;
+    const FilePath::CharType* const expect_path;
+    const char* const expect_name;
+  };
+
+  const TestCase kTestCases[] = {
+    { FPL("c/d/e"),
+      true, fileapi::kFileSystemTypeNativeLocal, DRIVE FPL("/a/b/c/d/e"), "c" },
+    { FPL("c(1)/d/e"),
+      true, fileapi::kFileSystemTypeDrive, DRIVE FPL("/a/b/c(1)/d/e"), "c(1)" },
+    { FPL("c(1)"),
+      true, fileapi::kFileSystemTypeDrive, DRIVE FPL("/a/b/c(1)"), "c(1)" },
+    { FPL("empty_path/a"),
+      true, fileapi::kFileSystemTypeSyncable, FPL("a"), "empty_path" },
+    { FPL("empty_path"),
+      true, fileapi::kFileSystemTypeSyncable, FPL(""), "empty_path" },
+    { FPL("mount/a/b"),
+      true, fileapi::kFileSystemTypeDrive, DRIVE FPL("/root/a/b"), "mount" },
+    { FPL("mount"),
+      true, fileapi::kFileSystemTypeDrive, DRIVE FPL("/root"), "mount" },
+    { FPL("cc"),
+      false, fileapi::kFileSystemTypeUnknown, FPL(""), "" },
+    { FPL(""),
+      false, fileapi::kFileSystemTypeUnknown, FPL(""), "" },
+    { FPL(".."),
+      false, fileapi::kFileSystemTypeUnknown, FPL(""), "" },
+    // Absolte paths.
+    { FPL("/c/d/e"),
+      false, fileapi::kFileSystemTypeUnknown, FPL(""), "" },
+    { FPL("/c(1)/d/e"),
+      false, fileapi::kFileSystemTypeUnknown, FPL(""), "" },
+    { FPL("/empty_path"),
+      false, fileapi::kFileSystemTypeUnknown, FPL(""), "" },
+    // PAth references parent.
+    { FPL("c/d/../e"),
+      false, fileapi::kFileSystemTypeUnknown, FPL(""), "" },
+    { FPL("/empty_path/a/../b"),
+      false, fileapi::kFileSystemTypeUnknown, FPL(""), "" },
+#if defined(FILE_PATH_USES_WIN_SEPARATORS)
+    { FPL("c/d\\e"),
+      true, fileapi::kFileSystemTypeNativeLocal, DRIVE FPL("/a/b/c/d/e"), "c" },
+    { FPL("mount\\a\\b"),
+      true, fileapi::kFileSystemTypeDrive, DRIVE FPL("/root/a/b"), "mount" },
+#endif
+  };
+
+  for (size_t i = 0; i < ARRAYSIZE_UNSAFE(kTestCases); ++i) {
+    std::string cracked_name;
+    fileapi::FileSystemType cracked_type;
+    FilePath cracked_path;
+    EXPECT_EQ(kTestCases[i].expect_valid,
+              mount_points->CrackVirtualPath(FilePath(kTestCases[i].path),
+                  &cracked_name, &cracked_type, &cracked_path))
+        << "Test case index: " << i;
+
+    if (!kTestCases[i].expect_valid)
+      continue;
+
+    EXPECT_EQ(kTestCases[i].expect_type, cracked_type)
+        << "Test case index: " << i;
+    EXPECT_EQ(FilePath(kTestCases[i].expect_path).NormalizePathSeparators(),
+                       cracked_path)
+        << "Test case index: " << i;
+    EXPECT_EQ(kTestCases[i].expect_name, cracked_name)
+        << "Test case index: " << i;
+  }
+}
+
 }  // namespace