1 files changed, 124 insertions, 0 deletions
diff --git a/comm/mailnews/base/src/nsUserInfoUnix.cpp b/comm/mailnews/base/src/nsUserInfoUnix.cpp
new file mode 100644
index 0000000000..559b68f062
--- /dev/null
+++ b/comm/mailnews/base/src/nsUserInfoUnix.cpp
@@ -0,0 +1,124 @@
+/* -*- 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 "nsCRT.h"
+
+#include <pwd.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <sys/utsname.h>
+
+#include "nsString.h"
+#include "nsReadableUtils.h"
+#include "nsNativeCharsetUtils.h"
+
+nsUserInfo::nsUserInfo() {}
+
+nsUserInfo::~nsUserInfo() {}
+
+NS_IMPL_ISUPPORTS(nsUserInfo, nsIUserInfo)
+
+NS_IMETHODIMP
+nsUserInfo::GetFullname(nsAString& aFullname) {
+  aFullname.Truncate();
+  struct passwd* pw = nullptr;
+
+  pw = getpwuid(geteuid());
+
+  if (!pw || !pw->pw_gecos) return NS_OK;
+
+  nsAutoCString fullname(pw->pw_gecos);
+
+  // now try to parse the GECOS information, which will be in the form
+  // Full Name, <other stuff> - eliminate the ", <other stuff>
+  // also, sometimes GECOS uses "&" to mean "the user name" so do
+  // the appropriate substitution
+
+  // truncate at first comma (field delimiter)
+  int32_t index;
+  if ((index = fullname.Find(",")) != kNotFound) fullname.Truncate(index);
+
+  // replace ampersand with username
+  if (pw->pw_name) {
+    nsAutoCString username(pw->pw_name);
+    if (!username.IsEmpty())
+      username.SetCharAt(nsCRT::ToUpper(username.CharAt(0)), 0);
+
+    fullname.ReplaceSubstring("&", username.get());
+  }
+
+  CopyUTF8toUTF16(fullname, aFullname);
+
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsUserInfo::GetUsername(nsAString& aUsername) {
+  aUsername.Truncate();
+  struct passwd* pw = nullptr;
+
+  // is this portable?  those are POSIX compliant calls, but I need to check
+  pw = getpwuid(geteuid());
+
+  if (!pw || !pw->pw_name) return NS_OK;
+
+  CopyUTF8toUTF16(mozilla::MakeStringSpan(pw->pw_name), aUsername);
+
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsUserInfo::GetDomain(nsAString& aDomain) {
+  aDomain.Truncate();
+  struct utsname buf;
+  char* domainname = nullptr;
+
+  if (uname(&buf) < 0) {
+    return NS_OK;
+  }
+
+#if defined(__linux__)
+  domainname = buf.domainname;
+#endif
+
+  if (domainname && domainname[0]) {
+    CopyUTF8toUTF16(mozilla::MakeStringSpan(domainname), aDomain);
+  } else {
+    // try to get the hostname from the nodename
+    // on machines that use DHCP, domainname may not be set
+    // but the nodename might.
+    if (buf.nodename[0]) {
+      // if the nodename is foo.bar.org, use bar.org as the domain
+      char* pos = strchr(buf.nodename, '.');
+      if (pos) {
+        CopyUTF8toUTF16(mozilla::MakeStringSpan(pos + 1), aDomain);
+      }
+    }
+  }
+
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+nsUserInfo::GetEmailAddress(nsAString& aEmailAddress) {
+  // use username + "@" + domain for the email address
+
+  nsString username;
+  nsString domain;
+
+  GetUsername(username);
+  GetDomain(domain);
+
+  if (!username.IsEmpty() && !domain.IsEmpty()) {
+    aEmailAddress = username;
+    aEmailAddress.Append('@');
+    aEmailAddress += domain;
+  } else {
+    aEmailAddress.Truncate();
+  }
+
+  return NS_OK;
+}