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/* -*- 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
#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;
}