Use dkim selector by default

data/web/admin.php

@@ -205,31 +205,24 @@ $_SESSION['return_to'] = $_SERVER['REQUEST_URI'];
 <div id="collapseDKIM" class="panel-collapse">
 <div class="panel-body">
 	<?php
-	$dnstxt_folder	= scandir($GLOBALS["MC_DKIM_TXTS"]);
-	$dnstxt_files	= array_diff($dnstxt_folder, array('.', '..', '.dkim_pub_keys'));
+	$dnstxt_folder = scandir($GLOBALS["MC_DKIM_TXTS"]);
+	$dnstxt_files = array_diff($dnstxt_folder, array('.', '..'));
 	foreach($dnstxt_files as $file) {
-		$str = file_get_contents($GLOBALS["MC_DKIM_TXTS"]."/".$file);
-		$str = preg_replace('/\r|\t|\n/', '', $str);
-		preg_match('/\(.*\)/im', $str, $matches);
-		$domain = explode("_", $file)[1];
-		$selector = explode("_", $file)[0];
-		if(isset($matches[0])) {
-			$str = str_replace(array(' ', '"', '(', ')'), '', $matches[0]);
-		}
+		$pubKey = file_get_contents($GLOBALS["MC_DKIM_TXTS"]."/".$file);
+		$domain = substr($file, 0, -5);
 	?>
 		<div class="row">
 			<div class="col-xs-2">
-				<p>Domain: <strong><?=htmlspecialchars($domain);?></strong> (<?=htmlspecialchars($selector);?>._domainkey)</p>
+				<p>Domain: <strong><?=htmlspecialchars($domain);?></strong> (dkim._domainkey)</p>
 			</div>
 			<div class="col-xs-9">
-				<pre>v=DKIM1;k=rsa;t=s;s=email;p=<?=$str;?></pre>
+				<pre>v=DKIM1;k=rsa;t=s;s=email;p=<?=$pubKey;?></pre>
 			</div>
 			<div class="col-xs-1">
 				<form class="form-inline" role="form" method="post">
 				<a href="#" onclick="$(this).closest('form').submit()"><span class="glyphicon glyphicon-remove-circle"></span></a>
 				<input type="hidden" name="delete_dkim_record" value="<?=htmlspecialchars($file);?>">
                 <input type="hidden" name="dkim[domain]" value="<?=$domain;?>">
-                <input type="hidden" name="dkim[selector]" value="<?=$selector;?>">
 				</form>
 			</div>
 		</div>
@@ -242,10 +235,6 @@ $_SESSION['return_to'] = $_SERVER['REQUEST_URI'];
 			<label for="dkim_domain">Domain</label>
 			<input class="form-control" id="dkim_domain" name="dkim[domain]" placeholder="example.org" required>
 		</div>
-		<div class="form-group">
-			<label for="dkim_selector">Selector</label>
-			<input class="form-control" id="dkim_selector" name="dkim[selector]" value="default" required>
-		</div>
 		<div class="form-group">
 			<select class="form-control" id="dkim_key_size" name="dkim[key_size]" title="<?=$lang['admin']['dkim_key_length'];?>" required>
 				<option>1024</option>

data/web/edit.php

@@ -277,35 +277,25 @@ if (isset($_SESSION['mailcow_cc_role']) && ($_SESSION['mailcow_cc_role'] == "adm
 					</div>
 				</form>
 				<?php
-				$dnstxt_folder	= scandir($GLOBALS["MC_DKIM_TXTS"]);
-				$dnstxt_files	= array_diff($dnstxt_folder, array('.', '..', '.dkim_pub_keys'));
-				foreach($dnstxt_files as $file) {
-					if (explode("_", $file)[1] == $domain) {
-						$str = file_get_contents($GLOBALS["MC_DKIM_TXTS"]."/".$file);
-						$str = preg_replace('/\r|\t|\n/', '', $str);
-						preg_match('/\(.*\)/im', $str, $matches);
-						if(isset($matches[0])) {
-							$str = str_replace(array(' ', '"', '(', ')'), '', $matches[0]);
-						}
+				if (file_exists($GLOBALS["MC_DKIM_TXTS"]. "/" . $domain . "." . "dkim")) {
+					$pubKey = file_get_contents($GLOBALS["MC_DKIM_TXTS"]. "/" . $domain . "." . "dkim");
 				?>
-						<div class="row">
-							<div class="col-xs-2">
-								<p class="text-right"><?=$lang['edit']['dkim_signature'];?></p>
-							</div>
-							<div class="col-xs-10">
-								<div class="col-md-2"><b><?=$lang['edit']['dkim_txt_name'];?></b></div>
-								<div class="col-md-10">
-									<pre><?=htmlspecialchars(explode("_", $file)[0]);?>._domainkey</pre>
-								</div>
-								<div class="col-md-2"><b><?=$lang['edit']['dkim_txt_value'];?></b></div>
-								<div class="col-md-10">
-									<pre>v=DKIM1;k=rsa;t=s;s=email;p=<?=htmlspecialchars($str);?></pre>
-									<?=$lang['edit']['dkim_record_info'];?>
-								</div>
-							</div>
+					<div class="row">
+						<div class="col-xs-2">
+							<p>Domain: <strong><?=htmlspecialchars($domain);?></strong> (dkim._domainkey)</p>
+						</div>
+						<div class="col-xs-9">
+							<pre>v=DKIM1;k=rsa;t=s;s=email;p=<?=$pubKey;?></pre>
 						</div>
+						<div class="col-xs-1">
+							<form class="form-inline" role="form" method="post">
+							<a href="#" onclick="$(this).closest('form').submit()"><span class="glyphicon glyphicon-remove-circle"></span></a>
+							<input type="hidden" name="delete_dkim_record" value="<?=htmlspecialchars($file);?>">
+							<input type="hidden" name="dkim[domain]" value="<?=$domain;?>">
+							</form>
+						</div>
+					</div>
 				<?php
-					}
 				}
 			}
 			else {

data/web/inc/functions.inc.php

@@ -162,15 +162,14 @@ function dkim_table($action, $item) {
 	switch ($action) {
 		case "delete":
 			$domain = preg_replace('/[^A-Za-z0-9._\-]/', '_', $item['dkim']['domain']);
-			$selector = preg_replace('/[^A-Za-z0-9._\-]/', '_', $item['dkim']['selector']);
-			if (!ctype_alnum($selector) || !is_valid_domain_name($domain)) {
+			if (!is_valid_domain_name($domain)) {
 				$_SESSION['return'] = array(
 					'type' => 'danger',
 					'msg' => sprintf($lang['danger']['dkim_domain_or_sel_invalid'])
 				);
 				break;
 			}
-			exec('rm ' . escapeshellarg($GLOBALS['MC_DKIM_TXTS'] . '/' . $selector . '_' . $domain), $out, $return);
+			exec('rm ' . escapeshellarg($GLOBALS['MC_DKIM_TXTS'] . '/' . $domain . '.dkim'), $out, $return);
 			if ($return != "0") {
 				$_SESSION['return'] = array(
 					'type' => 'danger',
@@ -178,7 +177,7 @@ function dkim_table($action, $item) {
 				);
 				break;
 			}
-			exec('rm ' . escapeshellarg($GLOBALS['MC_DKIM_KEYS'] . '/' . $domain . '.' . $selector), $out, $return);
+			exec('rm ' . escapeshellarg($GLOBALS['MC_DKIM_KEYS'] . '/' . $domain . '.dkim'), $out, $return);
             if ($return != "0") {
                 $_SESSION['return'] = array(
                     'type' => 'danger',
@@ -193,9 +192,8 @@ function dkim_table($action, $item) {
 			break;
 		case "add":
 			$domain = preg_replace('/[^A-Za-z0-9._\-]/', '_', $item['dkim']['domain']);
-			$selector = preg_replace('/[^A-Za-z0-9._\-]/', '_', $item['dkim']['selector']);
 			$key_length	= intval($item['dkim']['key_size']);
-            if (!ctype_alnum($selector) || !is_valid_domain_name($domain) || !is_numeric($key_length)) {
+            if (!is_valid_domain_name($domain) || !is_numeric($key_length)) {
                 $_SESSION['return'] = array(
                     'type' => 'danger',
                     'msg' => sprintf($lang['danger']['dkim_domain_or_sel_invalid'])
@@ -203,8 +201,7 @@ function dkim_table($action, $item) {
                 break;
             }
 
-            if (file_exists($GLOBALS['MC_DKIM_TXTS'] . '/' . $selector . '_' . $domain) ||
-				file_exists($GLOBALS['MC_DKIM_KEYS'] . '/' . $domain . '.' . $selector)) {
+            if (!empty(glob($GLOBALS['MC_DKIM_TXTS'] . '/' . $domain . '.dkim'))) {
                 $_SESSION['return'] = array(
                     'type' => 'danger',
                     'msg' => sprintf($lang['danger']['dkim_domain_or_sel_invalid'])
@@ -225,9 +222,9 @@ function dkim_table($action, $item) {
 					), 1, -1)
 				);
 			// Save public key to file
-			file_put_contents($GLOBALS['MC_DKIM_TXTS'] . '/' . $selector . '_' . $domain, $pubKey);
+			file_put_contents($GLOBALS['MC_DKIM_TXTS'] . '/' . $domain . '.dkim', $pubKey);
 			// Save private key to file
-			openssl_pkey_export_to_file($keypair_ressource, $GLOBALS['MC_DKIM_KEYS'] . '/' . $domain . '.' . $selector);
+			openssl_pkey_export_to_file($keypair_ressource, $GLOBALS['MC_DKIM_KEYS'] . '/' . $domain . '.dkim');
 
 			$_SESSION['return'] = array(
 				'type' => 'success',

data/web/inc/vars.inc.php

@@ -19,8 +19,8 @@ $database_name = getenv('DBNAME');
 $FORM_ACTION = "previous";
 
 // File locations should not be changed
-$MC_DKIM_TXTS = "/shared/dkim/txt";
-$MC_DKIM_KEYS = "/shared/dkim/keys";
+$MC_DKIM_TXTS = "/data/dkim/txt";
+$MC_DKIM_KEYS = "/data/dkim/keys";
 
 // Change default language, "en", "pt", "de" or "nl"
 $DEFAULT_LANG = "en";