Allow specifying external links (bug #3392685)

adminer/include/adminer.inc.php

@@ -185,6 +185,14 @@ username.form['auth[driver]'].onchange();
 		return $rows;
 	}
 	
+	/** Get a link to use in select table
+	* @param string raw value of the field
+	* @param array single field returned from fields()
+	* @return string or null to create the default link
+	*/
+	function selectLink($val, $field) {
+	}
+	
 	/** Value printed in select table
 	* @param string HTML-escaped value to print
 	* @param string link to foreign key

adminer/select.inc.php

@@ -384,9 +384,9 @@ if (!$columns) {
 								}
 							}
 						}
-						if (!$link) {
-							if (is_mail($val)) {
-								$link = "mailto:$val";
+						if (!$link && ($link = $adminer->selectLink($row[$key], $field)) === null) {
+							if (is_mail($row[$key])) {
+								$link = "mailto:$row[$key]";
 							}
 							if ($protocol = is_url($row[$key])) {
 								$link = ($protocol == "http" && $HTTPS

changes.txt

@@ -1,5 +1,6 @@
 Adminer 3.6.3-dev:
 Display error code in SQL query
+Allow specifying external links
 Treat Meta key same as Ctrl
 Don't use type="number" for decimal numbers
 

editor/include/adminer.inc.php

@@ -162,6 +162,9 @@ ORDER BY ORDINAL_POSITION", null, "") as $row) { //! requires MySQL 5
 		return $return;
 	}
 	
+	function selectLink($val, $field) {
+	}
+	
 	function selectVal($val, $link, $field) {
 		$return = ($val === null ? " " : $val);
 		$link = h($link);

plugins/links-direct.php

@@ -0,0 +1,17 @@
+<?php
+
+/** Avoid redirecting of external links through adminer.org and disclose the URL of installed Adminer to visited links
+* @link http://www.adminer.org/plugins/#use
+* @author Jakub Vrana, http://www.vrana.cz/
+* @license http://www.apache.org/licenses/LICENSE-2.0 Apache License, Version 2.0
+* @license http://www.gnu.org/licenses/gpl-2.0.html GNU General Public License, version 2 (one or other)
+*/
+class AdminerLinksDirect {
+	
+	function selectLink($val, $field) {
+		if (is_url($val)) {
+			return $val;
+		}
+	}
+	
+}

plugins/plugin.php

@@ -191,6 +191,11 @@ class AdminerPlugin extends Adminer {
 		return $this->_applyPlugin(__FUNCTION__, $args);
 	}
 
+	function selectLink() {
+		$args = func_get_args();
+		return $this->_applyPlugin(__FUNCTION__, $args);
+	}
+
 	function selectVal() {
 		$args = func_get_args();
 		return $this->_applyPlugin(__FUNCTION__, $args);