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login.php
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login.php
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<?php
require_once 'openid.php';
require_once "duo_config.php";
require_once "duo_web.php";
require_once 'db.php';
if(isset($_GET['openid_identifier']))
{
if(isset($_SESSION['csrf_token']) && isset($_GET['csrf_token']))
{
if($_SESSION['csrf_token'] != $_GET['csrf_token'])
{
throw new Error("csrf","csrf token mismatch!");
}
}
else
{
throw new Error("csrf","csrf token missing");
}
}
try {
/* STEP 3: Once secondary auth has completed you may log in the user */
if(isset($_POST['sig_response'])) {
//verify sig response and log in user
//make sure that verifyResponse does not return NULL
//if it is NOT NULL then it will return a username you can then set any cookies/session data for that username and complete the login process
$oidlogin = Duo::verifyResponse(IKEY, SKEY, AKEY, $_POST['sig_response']);
if($oidlogin != NULL) {
// protect against session hijacking now we've escalated privilege level
session_regenerate_id(true);
$query = "
SELECT uid
FROM users
WHERE oidlogin='$oidlogin'
LIMIT 1;
";
$result = do_query($query);
$row = get_row($result);
$uid = (string)$row['uid'];
// store for later
$_SESSION['oidlogin'] = $oidlogin;
$_SESSION['uid'] = $uid;
addlog(LOG_LOGIN, sprintf(" duo login by UID %s (openid %s)", $uid, $oidlogin));
show_header('login', $uid);
echo " <div class='content_box'>\n";
echo " <h3>" . _("Successful login!") . "</h3>\n";
echo " <p>" . _("Welcome back commander. Welcome back.") . "</p>\n";
} else {
show_header('login', 0);
echo "bad 2nd auth?<br/>\n";
// throw new Problem(_("Login Error"), "Unable to login.");
}
} else {
$openid = new LightOpenID;
if (isset($next_page))
$openid->returnUrl = SITE_URL . "?page=login&next_page=" . preg_replace('/&/', '%26', $next_page);
if (!$openid->mode) {
if (isset($_GET['openid_identifier'])) {
if (isset($_GET['log'])) {
$openid->required = array('contact/email');
$openid->optional = array('namePerson', 'namePerson/friendly');
}
$openid->identity = htmlspecialchars($_GET['openid_identifier'], ENT_QUOTES);
addlog(LOG_LOGIN, sprintf(" attempt auth for openid %s", $openid->identity));
if (isset($_GET['remember']))
setcookie('openid', $openid->identity, time() + 60*60*24*365);
else
setcookie('openid', FALSE, time() - 60*60*24*365);
if (isset($_GET['autologin']))
setcookie('autologin', TRUE, time() + 60*60*24*365);
else
setcookie('autologin', FALSE, time() - 60*60*24*365);
header('Location: '.$openid->authUrl());
} else if (isset($_COOKIE['openid']) && isset($_COOKIE['autologin'])) {
$openid->identity = $_COOKIE['openid'];
addlog(LOG_LOGIN, sprintf(" autologin: attempt auth for openid %s", $openid->identity));
header('Location: '.$openid->authUrl());
} else
addlog(LOG_LOGIN, " showing login form");
show_header('login', 0);
$cookie = isset($_COOKIE['openid']) ? $_COOKIE['openid'] : FALSE;
$autologin = isset($_COOKIE['autologin']);
echo "<div class='content_box'>\n";
echo "<h3>" . _("Login") . "</h3>\n";
echo "<p>" . _("Enter your OpenID login below:") . "</p>\n";
echo "<p>\n";
echo " <form action='' class='indent_form' method='get'>\n";
echo " <input type='hidden' name='csrf_token' value='{$_SESSION['csrf_token']}' />\n";
if (isset($_GET['log'])) {
$log = "&log";
echo " <input type='hidden' name='log' value='1' />\n";
} else
$log = "";
echo " <input type='text' name='openid_identifier'" . ($cookie ? " value='$cookie'" : "") . " />\n";
echo " <input type='checkbox' id='remember' name='remember' value='1'" . ($cookie ? " checked='checked'" : "") . " />\n";
echo " <label style='margin: 0px; display: inline;' for='remember'>remember OpenID identifier on this computer</label><br/>\n";
echo " <input type='checkbox' id='autologin' name='autologin' value='1'" . ($autologin ? " checked='checked'" : "") . " />\n";
echo " <label style='margin: 0px; display: inline;' for='autologin'>automatically log in</label><br/>\n";
echo " <input type='hidden' name='page' value='login' /><br/>\n";
if (isset($next_page)) {
echo " <input type='hidden' name='next_page' value='$next_page' /><br/>\n";
echo " <input type='hidden' name='oid' value='{$_SESSION['oidlogin']}' /><br/>\n";
}
echo " <input type='submit' value='" . _("Submit") . "' />\n";
echo " </form>\n";
echo "</p>\n";
echo "<p>" . sprintf(_("If you do not have an OpenID login then we recommend %s."),
"<a href=\"https://www.myopenid.com/\">MyOpenID</a>") . "</p>\n";
echo "<p>" . sprintf(_("Alternatively you may sign in using %s or %s."),
"<a href=\"?page=login{$log}&openid_identifier=https://www.google.com/accounts/o8/id&csrf_token=" .
$_SESSION['csrf_token'] . "\">Google</a>",
"<a href=\"?page=login{$log}&openid_identifier=me.yahoo.com&csrf_token=" .
$_SESSION['csrf_token'] . "\">Yahoo</a>") . "</p>\n";
} else if ($openid->mode == 'cancel') {
setcookie('autologin', FALSE, time() - 60*60*24*365);
throw new Problem(_("Login Error"), _("Login was cancelled."));
} else if ($openid->validate()) {
// protect against session hijacking now we've escalated privilege level
session_regenerate_id(true);
$oidlogin = escapestr($openid->identity);
$use_duo = 0;
if (isset($_GET['log'])) {
$attributes = $openid->getAttributes();
$email = $friendly = $name = '';
if (isset($attributes['contact/email'])) $email = $attributes['contact/email'];
if (isset($attributes['namePerson/friendly'])) $friendly = $attributes['namePerson/friendly'];
if (isset($attributes['namePerson'])) $name = $attributes['namePerson'];
addlog(LOG_LOGIN, "oid: '$oidlogin'; email: '$email'; friendly: '$friendly'; name: '$name'");
}
// is this OpenID known to us?
$query = "
SELECT uid, use_duo
FROM users
WHERE oidlogin='$oidlogin'
LIMIT 1;
";
$result = do_query($query);
if (has_results($result)) {
$row = get_row($result);
$use_duo = $row['use_duo'];
$uid = (string)$row['uid'];
}
if ($use_duo) {
addlog(LOG_LOGIN, sprintf(" duo login for UID %s (openid %s)", $uid, $oidlogin));
show_header('login', 0);
$sig_request = Duo::signRequest(IKEY, SKEY, AKEY, $oidlogin); ?>
<script src="js/Duo-Web-v1.bundled.min.js"></script>
<script>
Duo.init({'host': <?php echo "'" . HOST . "'"; ?>,
'post_action': '?page=login',
'sig_request': <?php echo "'" . $sig_request . "'"; ?> });
</script>
<iframe id="duo_iframe" width="500" height="800" frameborder="0" allowtransparency="true" style="background: transparent;"></iframe>
<?php
} else {
if (has_results($result)) {
addlog(LOG_LOGIN, sprintf(" regular login by UID %s (openid %s)", $uid, $oidlogin));
if (isset($_GET['next_page'])) {
if (!isset($_GET['oid']) ||
!isset($_GET['openid_identifier']) ||
$_GET['oid'] == $_GET['openid_identifier']) {
$_SESSION['last_activity'] = time();
$_SESSION['oidlogin'] = $oidlogin;
$_SESSION['uid'] = $uid;
header('Location: ' . $_GET['next_page']);
}
}
show_header('login', $uid);
echo " <div class='content_box'>\n";
echo " <h3>" . _("Successful login!") . "</h3>\n";
echo " <p>" . _("Welcome back commander. Welcome back.") . "</p>\n";
} else {
// make the first user to sign up an administrator
$query = "SELECT COUNT(*) AS count FROM users";
$result = do_query($query);
$row = mysql_fetch_assoc($result);
$admin = ($row['count'] == 1) ? 1 : 0;
// generate random str for deposit reference
$query = "
INSERT INTO users (
is_admin,
oidlogin,
deposref
) VALUES (
$admin,
'$oidlogin',
CONCAT(FLOOR(RAND() * 900 + 100),
LPAD(FLOOR(RAND() * 1000),3,'0'),
LPAD(FLOOR(RAND() * 1000),3,'0'))
);
";
do_query($query);
$uid = (string)mysql_insert_id();
$free_fiat = numstr_to_internal(FREE_FIAT_ON_SIGNUP);
$free_btc = numstr_to_internal(FREE_BTC_ON_SIGNUP);
$query = "
INSERT INTO purses
(uid, amount, type)
VALUES
(LAST_INSERT_ID(), $free_fiat, '" . CURRENCY . "');
";
do_query($query);
$query = "
INSERT INTO purses
(uid, amount, type)
VALUES
(LAST_INSERT_ID(), $free_btc, 'BTC');
";
do_query($query);
addlog(LOG_LOGIN, sprintf(" new user UID %s (openid %s)", $uid, $oidlogin));
show_header('login', $uid);
echo " <div class='content_box'>\n";
echo " <h3>" . _("Successful login!") . "</h3>\n";
echo " <p>" . _("Nice to finally see you here, <i>new</i> user.") . "</p>\n";
if (gmp_cmp($free_fiat, 0) > 0 or gmp_cmp($free_btc, 0))
echo " <p>" .
sprintf("We've given you %s and %s to test the exchange with.",
internal_to_numstr($free_btc) . " BTC",
internal_to_numstr($free_fiat) . " " . CURRENCY) .
"</p>\n";
echo " <p>" .
sprintf("Now you may wish to %sdeposit%s funds before continuing.",
'<a href="?page=deposit">',
'</a>') .
"</p>\n";
}
// store for later
$_SESSION['oidlogin'] = $oidlogin;
$_SESSION['uid'] = $uid;
}
} else {
setcookie('autologin', FALSE, time() - 60*60*24*365);
throw new Problem(_("Login Error"), sprintf(_("Unable to login. Please %stry again%s."),
'<a href="?page=login">',
'</a>'));
}
}
}
catch (ErrorException $e) {
setcookie('autologin', FALSE, time() - 60*60*24*365);
throw new Problem(_("Login Error"), $e->getMessage());
}
// close content box
?>
</div>