87 lines
2.9 KiB
PHP
87 lines
2.9 KiB
PHP
<?php
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$ALLOW_ADMIN_EMAIL_LOGIN = (preg_match(
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"/^([yY][eE][sS]|[yY])+$/",
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$_ENV["ALLOW_ADMIN_EMAIL_LOGIN"]
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));
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$session_var_user_allowed = 'sogo-sso-user-allowed';
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$session_var_pass = 'sogo-sso-pass';
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// prevent if feature is disabled
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if (!$ALLOW_ADMIN_EMAIL_LOGIN) {
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header('HTTP/1.0 403 Forbidden');
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echo "this feature is disabled";
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exit;
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}
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// validate credentials for basic auth requests
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elseif (isset($_SERVER['PHP_AUTH_USER'])) {
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// load prerequisites only when required
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require_once $_SERVER['DOCUMENT_ROOT'] . '/inc/prerequisites.inc.php';
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$username = $_SERVER['PHP_AUTH_USER'];
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$password = $_SERVER['PHP_AUTH_PW'];
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$login_check = check_login($username, $password);
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if ($login_check === 'user') {
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header("X-User: $username");
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header("X-Auth: Basic ".base64_encode("$username:$password"));
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header("X-Auth-Type: Basic");
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exit;
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} else {
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header('HTTP/1.0 401 Unauthorized');
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echo 'Invalid login';
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exit;
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}
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}
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// check permissions and redirect for direct GET ?login=xy requests
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elseif (isset($_GET['login'])) {
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// load prerequisites only when required
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require_once $_SERVER['DOCUMENT_ROOT'] . '/inc/prerequisites.inc.php';
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// check permissions
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if (isset($_SESSION['mailcow_cc_role']) && $_SESSION['acl']['login_as'] == "1") {
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$login = html_entity_decode(rawurldecode($_GET["login"]));
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if (filter_var($login, FILTER_VALIDATE_EMAIL)) {
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if (!empty(mailbox('get', 'mailbox_details', $login))) {
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// load master password
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$sogo_sso_pass = file_get_contents("/etc/sogo-sso/sogo-sso.pass");
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// register username and password in session
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$_SESSION[$session_var_user_allowed][] = $login;
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$_SESSION[$session_var_pass] = $sogo_sso_pass;
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// redirect to sogo (sogo will get the correct credentials via nginx auth_request
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header("Location: /SOGo/so/${login}");
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exit;
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}
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}
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}
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header('HTTP/1.0 403 Forbidden');
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exit;
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}
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// only check for admin-login on sogo GUI requests
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elseif (
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strcasecmp(substr($_SERVER['HTTP_X_ORIGINAL_URI'], 0, 9), "/SOGo/so/") === 0
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) {
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// this is an nginx auth_request call, we check for existing sogo-sso session variables
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session_start();
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// extract email address from "/SOGo/so/user@domain/xy"
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$url_parts = explode("/", $_SERVER['HTTP_X_ORIGINAL_URI']);
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$email = $url_parts[3];
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// check if this email is in session allowed list
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if (
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!empty($email) &&
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filter_var($email, FILTER_VALIDATE_EMAIL) &&
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is_array($_SESSION[$session_var_user_allowed]) &&
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in_array($email, $_SESSION[$session_var_user_allowed])
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) {
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$username = $email;
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$password = $_SESSION[$session_var_pass];
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header("X-User: $username");
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header("X-Auth: Basic ".base64_encode("$username:$password"));
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header("X-Auth-Type: Basic");
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exit;
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}
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}
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// if username is empty, SOGo will use the normal login methods / login form
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header("X-User: ");
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header("X-Auth: ");
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header("X-Auth-Type: ");
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