Split NSSDecryptor out into platform specific files....

chrome/browser/importer/nss_decryptor_mac.h

 // Copyright (c) 2009 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.
 
-#ifndef CHROME_BROWSER_IMPORTER_FIREFOX_IMPORTER_UTILS_H_
-#define CHROME_BROWSER_IMPORTER_FIREFOX_IMPORTER_UTILS_H_
+#ifndef CHROME_BROWSER_IMPORTER_NSS_DECRYPTOR_MAC_H_
+#define CHROME_BROWSER_IMPORTER_NSS_DECRYPTOR_MAC_H_
 
+#include <string>
 #include <vector>
 
 #include "base/basictypes.h"
-#include "base/file_path.h"
-#include "base/native_library.h"
-#include "build/build_config.h"
-
-class DictionaryValue;
-class GURL;
-class TemplateURL;
-
-namespace webkit_glue {
-struct PasswordForm;
-}
-
-#if defined(OS_WIN)
-// Detects which version of Firefox is installed from registry. Returns its
-// major version, and drops the minor version. Returns 0 if
-// failed. If there are indicators of both FF2 and FF3 it is
-// biased to return the biggest version.
-int GetCurrentFirefoxMajorVersionFromRegistry();
-
-// Detects where Firefox lives.  Returns a empty string if Firefox
-// is not installed.
-std::wstring GetFirefoxInstallPathFromRegistry();
-#endif
-
-// Detects version of Firefox and installation path from given Firefox profile
-bool GetFirefoxVersionAndPathFromProfile(const std::wstring& profile_path,
-                                         int* version,
-                                         std::wstring* app_path);
-
-// Gets the full path of the profiles.ini file. This file records
-// the profiles that can be used by Firefox.  Returns an empty
-// string if failed.
-FilePath GetProfilesINI();
-
-// Parses the profile.ini file, and stores its information in |root|.
-// This file is a plain-text file. Key/value pairs are stored one per
-// line, and they are separeated in different sections. For example:
-//   [General]
-//   StartWithLastProfile=1
-//
-//   [Profile0]
-//   Name=default
-//   IsRelative=1
-//   Path=Profiles/abcdefeg.default
-// We set "[value]" in path "<Section>.<Key>". For example, the path
-// "Genenral.StartWithLastProfile" has the value "1".
-void ParseProfileINI(std::wstring file, DictionaryValue* root);
-
-// Returns true if we want to add the URL to the history. We filter
-// out the URL with a unsupported scheme.
-bool CanImportURL(const GURL& url);
-
-// Parses the OpenSearch XML files in |xml_files| and populates |search_engines|
-// with the resulting TemplateURLs.
-void ParseSearchEnginesFromXMLFiles(const std::vector<std::wstring>& xml_files,
-                                    std::vector<TemplateURL*>* search_engines);
-
-// Returns the index of the default search engine in the |search_engines| list.
-// If none is found, -1 is returned.
-int GetFirefoxDefaultSearchEngineIndex(
-    const std::vector<TemplateURL*>& search_engines,
-    const std::wstring& profile_path);
-
-// Returns the home page set in Firefox in a particular profile.
-GURL GetHomepage(const std::wstring& profile_path);
-
-// Checks to see if this home page is a default home page, as specified by
-// the resource file browserconfig.properties in the Firefox application
-// directory.
-bool IsDefaultHomepage(const GURL& homepage, const std::wstring& app_path);
+#include "base/logging.h"
 
 // The following declarations of functions and types are from Firefox
 // NSS library.
 // source code:
 //   security/nss/lib/util/seccomon.h
 //   security/nss/lib/nss/nss.h
 // The license block is:
 
 /* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
@@ skipping 72 matching lines @@
 typedef PK11SlotInfo* (*PK11GetInternalKeySlotFunc)(void);
 typedef void (*PK11FreeSlotFunc)(PK11SlotInfo *slot);
 typedef SECStatus (*PK11CheckUserPasswordFunc)(PK11SlotInfo *slot, char *pw);
 typedef SECStatus
     (*PK11AuthenticateFunc)(PK11SlotInfo *slot, PRBool loadCerts, void *wincx);
 typedef SECStatus
     (*PK11SDRDecryptFunc)(SECItem *data, SECItem *result, void *cx);
 typedef void (*SECITEMFreeItemFunc)(SECItem *item, PRBool free_it);
 typedef void (*PLArenaFinishFunc)(void);
 typedef PRStatus (*PRCleanupFunc)(void);
+namespace webkit_glue {
+struct PasswordForm;
+}
 
 // A wrapper for Firefox NSS decrypt component.
 class NSSDecryptor {
  public:
-  NSSDecryptor();
-  ~NSSDecryptor();
+  NSSDecryptor()
+      : NSS_Init(NULL), NSS_Shutdown(NULL), PK11_GetInternalKeySlot(NULL),
+        PK11_CheckUserPassword(NULL), PK11_FreeSlot(NULL),
+        PK11_Authenticate(NULL), PK11SDR_Decrypt(NULL), SECITEM_FreeItem(NULL),
+        PL_ArenaFinish(NULL), PR_Cleanup(NULL),
+        is_nss_initialized_(false) {}
+  ~NSSDecryptor() {}
 
-  // Loads NSS3 library and returns true if successful.
-  // |dll_path| indicates the location of NSS3 DLL files, and |db_path|
-  // is the location of the database file that stores the keys.
-  bool Init(const std::wstring& dll_path, const std::wstring& db_path);
-
-  // Frees the libraries.
-  void Free();
+  // Initializes NSS if it hasn't already been initialized.
+  bool Init(const std::wstring& /* dll_path */,
+            const std::wstring& /* db_path */) {
+    // TODO(port): Load the NSS libraries and call InitNSS()
+    // http://code.google.com/p/chromium/issues/detail?id=15455
+    NOTIMPLEMENTED();
+    return false;
+  }
 
   // Decrypts Firefox stored passwords. Before using this method,
   // make sure Init() returns true.
   std::wstring Decrypt(const std::string& crypt) const;
 
   // Parses the Firefox password file content, decrypts the
   // username/password and reads other related information.
   // The result will be stored in |forms|.
   void ParseSignons(const std::string& content,
                     std::vector<webkit_glue::PasswordForm>* forms);
 
  private:
-  // Performs tasks common across all platforms to initialize NSS.
-  bool InitNSS(const std::wstring& db_path,
-               base::NativeLibrary plds4_dll,
-               base::NativeLibrary nspr4_dll);
-
   // Methods in Firefox security components.
   NSSInitFunc NSS_Init;
   NSSShutdownFunc NSS_Shutdown;
   PK11GetInternalKeySlotFunc PK11_GetInternalKeySlot;
   PK11CheckUserPasswordFunc PK11_CheckUserPassword;
   PK11FreeSlotFunc PK11_FreeSlot;
   PK11AuthenticateFunc PK11_Authenticate;
   PK11SDRDecryptFunc PK11SDR_Decrypt;
   SECITEMFreeItemFunc SECITEM_FreeItem;
   PLArenaFinishFunc PL_ArenaFinish;
   PRCleanupFunc PR_Cleanup;
 
-  // Libraries necessary for decrypting the passwords.
-  static const wchar_t kNSS3Library[];
-  static const wchar_t kSoftokn3Library[];
-  static const wchar_t kPLDS4Library[];
-  static const wchar_t kNSPR4Library[];
-
-  // NSS3 module handles.
-  base::NativeLibrary nss3_dll_;
-  base::NativeLibrary softokn3_dll_;
-
   // True if NSS_Init() has been called
   bool is_nss_initialized_;
 
   DISALLOW_COPY_AND_ASSIGN(NSSDecryptor);
 };
 
-#endif  // CHROME_BROWSER_IMPORTER_FIREFOX_IMPORTER_UTILS_H_
+#endif  // CHROME_BROWSER_IMPORTER_NSS_DECRYPTOR_MAC_H_