1 files changed, 99 insertions, 0 deletions
diff --git a/comm/mailnews/base/src/nsUserInfoWin.cpp b/comm/mailnews/base/src/nsUserInfoWin.cpp
new file mode 100644
index 0000000000..a5b69cf9a2
--- /dev/null
+++ b/comm/mailnews/base/src/nsUserInfoWin.cpp
@@ -0,0 +1,99 @@
+/* -*- 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 "nsUserInfo.h"
+
+#include "mozilla/ArrayUtils.h"  // ArrayLength
+#include "nsString.h"
+#include "windows.h"
+#include "nsCRT.h"
+
+#define SECURITY_WIN32
+#include "lm.h"
+#include "security.h"
+
+nsUserInfo::nsUserInfo() {}
+
+nsUserInfo::~nsUserInfo() {}
+
+NS_IMPL_ISUPPORTS(nsUserInfo, nsIUserInfo)
+
+NS_IMETHODIMP
+nsUserInfo::GetUsername(nsAString& aUsername) {
+  aUsername.Truncate();
+
+  // UNLEN is the max username length as defined in lmcons.h
+  wchar_t username[UNLEN + 1];
+  DWORD size = mozilla::ArrayLength(username);
+  if (!GetUserNameW(username, &size)) return NS_OK;
+
+  aUsername.Assign(username);
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsUserInfo::GetFullname(nsAString& aFullname) {
+  aFullname.Truncate();
+
+  wchar_t fullName[512];
+  DWORD size = mozilla::ArrayLength(fullName);
+
+  if (GetUserNameExW(NameDisplay, fullName, &size)) {
+    aFullname.Assign(fullName);
+  } else {
+    // Try to use the net APIs regardless of the error because it may be
+    // able to obtain the information.
+    wchar_t username[UNLEN + 1];
+    size = mozilla::ArrayLength(username);
+    if (!GetUserNameW(username, &size)) {
+      return NS_OK;
+    }
+
+    const DWORD level = 2;
+    LPBYTE info;
+    // If the NetUserGetInfo function has no full name info it will return
+    // success with an empty string.
+    NET_API_STATUS status = NetUserGetInfo(nullptr, username, level, &info);
+    if (status != NERR_Success) {
+      return NS_OK;
+    }
+
+    aFullname.Assign(reinterpret_cast<USER_INFO_2*>(info)->usri2_full_name);
+    NetApiBufferFree(info);
+  }
+
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsUserInfo::GetDomain(nsAString& aDomain) {
+  aDomain.Truncate();
+
+  const DWORD level = 100;
+  LPBYTE info;
+  NET_API_STATUS status = NetWkstaGetInfo(nullptr, level, &info);
+  if (status == NERR_Success) {
+    aDomain.Assign(reinterpret_cast<WKSTA_INFO_100*>(info)->wki100_langroup);
+    NetApiBufferFree(info);
+  }
+
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsUserInfo::GetEmailAddress(nsAString& aEmailAddress) {
+  aEmailAddress.Truncate();
+
+  // RFC3696 says max length of an email address is 254
+  wchar_t emailAddress[255];
+  DWORD size = mozilla::ArrayLength(emailAddress);
+
+  if (!GetUserNameExW(NameUserPrincipal, emailAddress, &size)) {
+    return NS_OK;
+  }
+
+  aEmailAddress.Assign(emailAddress);
+  return NS_OK;
+}