Matthias Andreas Benkard | b382b10 | 2021-01-02 15:32:21 +0100 | [diff] [blame] | 1 | <?php
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| 2 | function fwdhost($_action, $_data = null) {
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| 3 | require_once $_SERVER['DOCUMENT_ROOT'] . '/inc/spf.inc.php';
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Matthias Andreas Benkard | 7b2a3a1 | 2021-08-16 10:57:25 +0200 | [diff] [blame] | 4 | global $redis;
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| 5 | global $lang;
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Matthias Andreas Benkard | b382b10 | 2021-01-02 15:32:21 +0100 | [diff] [blame] | 6 | $_data_log = $_data;
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| 7 | switch ($_action) {
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| 8 | case 'add':
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| 9 | global $lang;
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| 10 | if ($_SESSION['mailcow_cc_role'] != "admin") {
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| 11 | $_SESSION['return'][] = array(
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| 12 | 'type' => 'danger',
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| 13 | 'log' => array(__FUNCTION__, $_action, $_data_log),
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| 14 | 'msg' => 'access_denied'
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| 15 | );
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| 16 | return false;
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| 17 | }
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| 18 | $source = $_data['hostname'];
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| 19 | $host = trim($_data['hostname']);
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| 20 | $filter_spam = (isset($_data['filter_spam']) && $_data['filter_spam'] == 1) ? 1 : 0;
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| 21 | if (preg_match('/^[0-9a-fA-F:\/]+$/', $host)) { // IPv6 address
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| 22 | $hosts = array($host);
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| 23 | }
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| 24 | elseif (preg_match('/^[0-9\.\/]+$/', $host)) { // IPv4 address
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| 25 | $hosts = array($host);
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| 26 | }
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| 27 | else {
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| 28 | $hosts = get_outgoing_hosts_best_guess($host);
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| 29 | }
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| 30 | if (empty($hosts)) {
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| 31 | $_SESSION['return'][] = array(
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| 32 | 'type' => 'danger',
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| 33 | 'log' => array(__FUNCTION__, $_action, $_data_log),
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| 34 | 'msg' => array('invalid_host', htmlspecialchars($host))
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| 35 | );
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| 36 | return false;
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| 37 | }
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| 38 | foreach ($hosts as $host) {
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| 39 | try {
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| 40 | $redis->hSet('WHITELISTED_FWD_HOST', $host, $source);
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| 41 | if ($filter_spam == 0) {
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| 42 | $redis->hSet('KEEP_SPAM', $host, 1);
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| 43 | }
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| 44 | elseif ($redis->hGet('KEEP_SPAM', $host)) {
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| 45 | $redis->hDel('KEEP_SPAM', $host);
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| 46 | }
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| 47 | }
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| 48 | catch (RedisException $e) {
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| 49 | $_SESSION['return'][] = array(
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| 50 | 'type' => 'danger',
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| 51 | 'log' => array(__FUNCTION__, $_action, $_data_log),
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| 52 | 'msg' => array('redis_error', $e)
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| 53 | );
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| 54 | return false;
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| 55 | }
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| 56 | }
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| 57 | $_SESSION['return'][] = array(
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| 58 | 'type' => 'success',
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| 59 | 'log' => array(__FUNCTION__, $_action, $_data_log),
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Matthias Andreas Benkard | 7b2a3a1 | 2021-08-16 10:57:25 +0200 | [diff] [blame] | 60 | 'msg' => array('forwarding_host_added', htmlspecialchars(implode(', ', (array)$hosts)))
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Matthias Andreas Benkard | b382b10 | 2021-01-02 15:32:21 +0100 | [diff] [blame] | 61 | );
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| 62 | break;
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| 63 | case 'edit':
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| 64 | global $lang;
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| 65 | if ($_SESSION['mailcow_cc_role'] != "admin") {
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| 66 | $_SESSION['return'][] = array(
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| 67 | 'type' => 'danger',
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| 68 | 'log' => array(__FUNCTION__, $_action, $_data_log),
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| 69 | 'msg' => 'access_denied'
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| 70 | );
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| 71 | return false;
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| 72 | }
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| 73 | $fwdhosts = (array)$_data['fwdhost'];
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| 74 | foreach ($fwdhosts as $fwdhost) {
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| 75 | $is_now = fwdhost('details', $fwdhost);
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| 76 | if (!empty($is_now)) {
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| 77 | $keep_spam = (isset($_data['keep_spam'])) ? $_data['keep_spam'] : $is_now['keep_spam'];
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| 78 | }
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| 79 | else {
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| 80 | $_SESSION['return'][] = array(
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| 81 | 'type' => 'danger',
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| 82 | 'log' => array(__FUNCTION__, $_action, $_data_log),
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| 83 | 'msg' => 'access_denied'
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| 84 | );
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| 85 | continue;
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| 86 | }
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| 87 | try {
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| 88 | if ($keep_spam == 1) {
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| 89 | $redis->hSet('KEEP_SPAM', $fwdhost, 1);
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| 90 | }
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| 91 | else {
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| 92 | $redis->hDel('KEEP_SPAM', $fwdhost);
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| 93 | }
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| 94 | }
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| 95 | catch (RedisException $e) {
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| 96 | $_SESSION['return'][] = array(
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| 97 | 'type' => 'danger',
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| 98 | 'log' => array(__FUNCTION__, $_action, $_data_log),
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| 99 | 'msg' => array('redis_error', $e)
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| 100 | );
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| 101 | continue;
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| 102 | }
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| 103 | $_SESSION['return'][] = array(
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| 104 | 'type' => 'success',
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| 105 | 'log' => array(__FUNCTION__, $_action, $_data_log),
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| 106 | 'msg' => array('object_modified', htmlspecialchars($fwdhost))
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| 107 | );
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| 108 | }
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| 109 | break;
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| 110 | case 'delete':
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| 111 | $hosts = (array)$_data['forwardinghost'];
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| 112 | foreach ($hosts as $host) {
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| 113 | try {
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| 114 | $redis->hDel('WHITELISTED_FWD_HOST', $host);
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| 115 | $redis->hDel('KEEP_SPAM', $host);
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| 116 | }
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| 117 | catch (RedisException $e) {
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| 118 | $_SESSION['return'][] = array(
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| 119 | 'type' => 'danger',
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| 120 | 'log' => array(__FUNCTION__, $_action, $_data_log),
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| 121 | 'msg' => array('redis_error', $e)
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| 122 | );
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| 123 | continue;
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| 124 | }
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| 125 | $_SESSION['return'][] = array(
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| 126 | 'type' => 'success',
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| 127 | 'log' => array(__FUNCTION__, $_action, $_data_log),
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| 128 | 'msg' => array('forwarding_host_removed', htmlspecialchars($host))
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| 129 | );
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| 130 | }
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| 131 | break;
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| 132 | case 'get':
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| 133 | if ($_SESSION['mailcow_cc_role'] != "admin") {
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| 134 | return false;
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| 135 | }
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| 136 | $fwdhostsdata = array();
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| 137 | try {
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| 138 | $fwd_hosts = $redis->hGetAll('WHITELISTED_FWD_HOST');
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| 139 | if (!empty($fwd_hosts)) {
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| 140 | foreach ($fwd_hosts as $fwd_host => $source) {
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| 141 | $keep_spam = ($redis->hGet('KEEP_SPAM', $fwd_host)) ? "yes" : "no";
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| 142 | $fwdhostsdata[] = array(
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| 143 | 'host' => $fwd_host,
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| 144 | 'source' => $source,
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| 145 | 'keep_spam' => $keep_spam
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| 146 | );
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| 147 | }
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| 148 | }
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| 149 | }
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| 150 | catch (RedisException $e) {
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| 151 | $_SESSION['return'][] = array(
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| 152 | 'type' => 'danger',
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| 153 | 'log' => array(__FUNCTION__, $_action, $_data_log),
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| 154 | 'msg' => array('redis_error', $e)
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| 155 | );
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| 156 | return false;
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| 157 | }
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| 158 | return $fwdhostsdata;
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| 159 | break;
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| 160 | case 'details':
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| 161 | $fwdhostdetails = array();
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| 162 | if (!isset($_data) || empty($_data)) {
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| 163 | return false;
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| 164 | }
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| 165 | try {
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| 166 | if ($source = $redis->hGet('WHITELISTED_FWD_HOST', $_data)) {
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| 167 | $fwdhostdetails['host'] = $_data;
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| 168 | $fwdhostdetails['source'] = $source;
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| 169 | $fwdhostdetails['keep_spam'] = ($redis->hGet('KEEP_SPAM', $_data)) ? "yes" : "no";
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| 170 | }
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| 171 | }
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| 172 | catch (RedisException $e) {
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| 173 | $_SESSION['return'][] = array(
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| 174 | 'type' => 'danger',
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| 175 | 'log' => array(__FUNCTION__, $_action, $_data_log),
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| 176 | 'msg' => array('redis_error', $e)
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| 177 | );
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| 178 | return false;
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| 179 | }
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| 180 | return $fwdhostdetails;
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| 181 | break;
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| 182 | }
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Matthias Andreas Benkard | 7b2a3a1 | 2021-08-16 10:57:25 +0200 | [diff] [blame] | 183 | }
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