1 files changed, 160 insertions, 0 deletions
diff --git a/comm/mailnews/base/src/nsMailDirProvider.cpp b/comm/mailnews/base/src/nsMailDirProvider.cpp
new file mode 100644
index 0000000000..5d092203cf
--- /dev/null
+++ b/comm/mailnews/base/src/nsMailDirProvider.cpp
@@ -0,0 +1,160 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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/. */
+
+#include "nsMailDirProvider.h"
+#include "nsMailDirServiceDefs.h"
+#include "nsXULAppAPI.h"
+#include "nsCOMArray.h"
+#include "nsEnumeratorUtils.h"
+#include "nsDirectoryServiceDefs.h"
+#include "nsAppDirectoryServiceDefs.h"
+#include "nsIChromeRegistry.h"
+#include "nsICategoryManager.h"
+#include "nsServiceManagerUtils.h"
+#include "nsDirectoryServiceUtils.h"
+
+#define MAIL_DIR_50_NAME "Mail"
+#define IMAP_MAIL_DIR_50_NAME "ImapMail"
+#define NEWS_DIR_50_NAME "News"
+
+nsresult nsMailDirProvider::EnsureDirectory(nsIFile* aDirectory) {
+  bool exists;
+  nsresult rv = aDirectory->Exists(&exists);
+  NS_ENSURE_SUCCESS(rv, rv);
+
+  if (!exists) rv = aDirectory->Create(nsIFile::DIRECTORY_TYPE, 0700);
+
+  return rv;
+}
+
+NS_IMPL_ISUPPORTS(nsMailDirProvider, nsIDirectoryServiceProvider,
+                  nsIDirectoryServiceProvider2)
+
+NS_IMETHODIMP
+nsMailDirProvider::GetFile(const char* aKey, bool* aPersist,
+                           nsIFile** aResult) {
+  // NOTE: This function can be reentrant through the NS_GetSpecialDirectory
+  // call, so be careful not to cause infinite recursion.
+  // i.e. the check for supported files must come first.
+  const char* leafName = nullptr;
+  bool isDirectory = true;
+
+  if (!strcmp(aKey, NS_APP_MAIL_50_DIR)) {
+    leafName = MAIL_DIR_50_NAME;
+  } else if (!strcmp(aKey, NS_APP_IMAP_MAIL_50_DIR)) {
+    leafName = IMAP_MAIL_DIR_50_NAME;
+  } else if (!strcmp(aKey, NS_APP_NEWS_50_DIR)) {
+    leafName = NEWS_DIR_50_NAME;
+  } else if (!strcmp(aKey, NS_APP_MESSENGER_FOLDER_CACHE_50_FILE)) {
+    isDirectory = false;
+    leafName = "folderCache.json";
+  } else if (!strcmp(aKey, NS_APP_MESSENGER_LEGACY_FOLDER_CACHE_50_FILE)) {
+    isDirectory = false;
+    leafName = "panacea.dat";
+  } else {
+    return NS_ERROR_FAILURE;
+  }
+
+  nsCOMPtr<nsIFile> parentDir;
+  nsresult rv = NS_GetSpecialDirectory(NS_APP_USER_PROFILE_50_DIR,
+                                       getter_AddRefs(parentDir));
+  if (NS_FAILED(rv)) return rv;
+
+  nsCOMPtr<nsIFile> file;
+  rv = parentDir->Clone(getter_AddRefs(file));
+  if (NS_FAILED(rv)) return rv;
+
+  nsDependentCString leafStr(leafName);
+  rv = file->AppendNative(leafStr);
+  if (NS_FAILED(rv)) return rv;
+
+  bool exists;
+  if (isDirectory && NS_SUCCEEDED(file->Exists(&exists)) && !exists)
+    rv = EnsureDirectory(file);
+
+  *aPersist = true;
+  file.forget(aResult);
+
+  return rv;
+}
+
+NS_IMETHODIMP
+nsMailDirProvider::GetFiles(const char* aKey, nsISimpleEnumerator** aResult) {
+  if (strcmp(aKey, ISP_DIRECTORY_LIST) != 0) return NS_ERROR_FAILURE;
+
+  // The list of isp directories includes the isp directory
+  // in the current process dir (i.e. <path to thunderbird.exe>\isp and
+  // <path to thunderbird.exe>\isp\locale
+  // and isp and isp\locale for each active extension
+
+  nsCOMPtr<nsIProperties> dirSvc =
+      do_GetService(NS_DIRECTORY_SERVICE_CONTRACTID);
+  if (!dirSvc) return NS_ERROR_FAILURE;
+
+  nsCOMPtr<nsIFile> currentProcessDir;
+  nsresult rv = dirSvc->Get(NS_XPCOM_CURRENT_PROCESS_DIR, NS_GET_IID(nsIFile),
+                            getter_AddRefs(currentProcessDir));
+  NS_ENSURE_SUCCESS(rv, rv);
+
+  nsCOMPtr<nsISimpleEnumerator> directoryEnumerator;
+  rv = NS_NewSingletonEnumerator(getter_AddRefs(directoryEnumerator),
+                                 currentProcessDir);
+  NS_ENSURE_SUCCESS(rv, rv);
+
+  NS_ADDREF(*aResult = new AppendingEnumerator(directoryEnumerator));
+  return NS_SUCCESS_AGGREGATE_RESULT;
+}
+
+NS_IMETHODIMP
+nsMailDirProvider::AppendingEnumerator::HasMoreElements(bool* aResult) {
+  *aResult = mNext || mNextWithLocale ? true : false;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsMailDirProvider::AppendingEnumerator::GetNext(nsISupports** aResult) {
+  // Set the return value to the next directory we want to enumerate over
+  if (aResult) NS_ADDREF(*aResult = mNext);
+
+  if (mNextWithLocale) {
+    mNext = mNextWithLocale;
+    mNextWithLocale = nullptr;
+    return NS_OK;
+  }
+
+  mNext = nullptr;
+
+  // Ignore all errors
+
+  bool more;
+  while (NS_SUCCEEDED(mBase->HasMoreElements(&more)) && more) {
+    nsCOMPtr<nsISupports> nextbasesupp;
+    mBase->GetNext(getter_AddRefs(nextbasesupp));
+
+    nsCOMPtr<nsIFile> nextbase(do_QueryInterface(nextbasesupp));
+    if (!nextbase) continue;
+
+    nextbase->Clone(getter_AddRefs(mNext));
+    if (!mNext) continue;
+
+    mNext->AppendNative("isp"_ns);
+    bool exists;
+    nsresult rv = mNext->Exists(&exists);
+    if (NS_SUCCEEDED(rv) && exists) {
+      break;
+    }
+
+    mNext = nullptr;
+  }
+
+  return NS_OK;
+}
+
+nsMailDirProvider::AppendingEnumerator::AppendingEnumerator(
+    nsISimpleEnumerator* aBase)
+    : mBase(aBase) {
+  // Initialize mNext to begin
+  GetNext(nullptr);
+}