Refactor drivers definition and compilation

- Rename 'server' driver to 'mysql'
- MySQL driver is no longer the required default
- Fix compiled SQLite single-driver Adminer
- Allow to compile only selected drivers

adminer/drivers/mongo.inc.php

@@ -205,9 +205,6 @@ if (isset($_GET["mongo"])) {
 			return $connection->_db->selectCollection($_GET["select"])->count($where);
 		}
 
-		$operators = array("=");
-		$operator_regexp = null;
-
 	} elseif (class_exists('MongoDB\Driver\Manager')) {
 		class Min_DB {
 			var $extension = "MongoDB", $server_info = MONGODB_VERSION, $affected_rows, $error, $last_id;
@@ -556,30 +553,6 @@ if (isset($_GET["mongo"])) {
 			}
 			return $data;
 		}
-
-		$operators = array(
-			"=",
-			"!=",
-			">",
-			"<",
-			">=",
-			"<=",
-			"regex",
-			"(f)=",
-			"(f)!=",
-			"(f)>",
-			"(f)<",
-			"(f)>=",
-			"(f)<=",
-			"(date)=",
-			"(date)!=",
-			"(date)>",
-			"(date)<",
-			"(date)>=",
-			"(date)<=",
-		);
-
-		$operator_regexp = 'regex';
 	}
 
 	function table($idf) {
@@ -736,7 +709,38 @@ if (isset($_GET["mongo"])) {
 	}
 
 	function driver_config() {
-		global $operators, $operator_regexp;
+		if (class_exists('MongoDB')) {
+			$operators = ["="];
+			$operator_regexp = null;
+		} elseif (class_exists('MongoDB\Driver\Manager')) {
+			$operators = [
+				"=",
+				"!=",
+				">",
+				"<",
+				">=",
+				"<=",
+				"regex",
+				"(f)=",
+				"(f)!=",
+				"(f)>",
+				"(f)<",
+				"(f)>=",
+				"(f)<=",
+				"(date)=",
+				"(date)!=",
+				"(date)>",
+				"(date)<",
+				"(date)>=",
+				"(date)<=",
+			];
+
+			$operator_regexp = 'regex';
+		} else {
+			$operators = ["="];
+			$operator_regexp = null;
+		}
+
 		return array(
 			'possible_drivers' => array("mongo", "mongodb"),
 			'jush' => "mongo",

adminer/drivers/mysql.inc.php

@@ -1,8 +1,8 @@
 <?php
-$drivers = array("server" => "MySQL") + $drivers;
+$drivers["mysql"] = "MySQL";
 
-if (!defined("DRIVER")) {
+if (isset($_GET["mysql"])) {
-	define("DRIVER", "server"); // server - backwards compatibility
+	define("DRIVER", "mysql");
 	// MySQLi supports everything, MySQL doesn't support multiple result sets, PDO_MySQL doesn't support orgtable
 	if (extension_loaded("mysqli")) {
 		class Min_DB extends MySQLi {

adminer/include/bootstrap.inc.php

@@ -73,39 +73,73 @@ if (function_exists("get_magic_quotes_runtime") && get_magic_quotes_runtime()) {
 @ini_set("zend.ze1_compatibility_mode", false); // @ - deprecated
 @ini_set("precision", 15); // @ - can be disabled, 15 - internal PHP precision
 
+// Migration for backward compatibility. This will keep MySQL users logged in.
+if (isset($_GET["username"])) {
+	// Old 'server' URL param.
+	if (isset($_GET["server"])) {
+		$_GET["mysql"] = $_GET["server"];
+		unset($_GET["server"]);
+	}
+
+	// No URL param for any driver.
+	$driver_params = array_filter(["mysql", "pgsql", "sqlite", "sqlite2", "oracle", "mssql", "mongo", "clickhouse", "elastic", "elastic5", "firebird", "simpledb"], function ($driver) {
+		return isset($_GET[$driver]);
+	});
+	if (!$driver_params) {
+		$_GET["mysql"] = "";
+	}
+
+	// Migrate session data.
+	if (isset($_SESSION["pwds"]["server"])) {
+		foreach (["pwds", "db", "dbs", "queries"] as $key) {
+			if (isset($_SESSION[$key]["server"])) {
+				$_SESSION[$key]["mysql"] = $_SESSION[$key]["server"];
+				unset($_SESSION[$key]["server"]);
+			}
+		}
+	}
+}
+
 include "../adminer/include/lang.inc.php";
 include "../adminer/lang/$LANG.inc.php";
+
 include "../adminer/include/pdo.inc.php";
 include "../adminer/include/driver.inc.php";
-include "../adminer/drivers/sqlite.inc.php";
+
+include "../adminer/drivers/mysql.inc.php";
 include "../adminer/drivers/pgsql.inc.php";
+include "../adminer/drivers/sqlite.inc.php";
 include "../adminer/drivers/oracle.inc.php";
 include "../adminer/drivers/mssql.inc.php";
 include "../adminer/drivers/mongo.inc.php";
+
 include "./include/adminer.inc.php";
-$adminer = (function_exists('adminer_object') ? adminer_object() : new Adminer);
+$adminer = (function_exists('adminer_object') ? adminer_object() : new Adminer());
-include "../adminer/drivers/mysql.inc.php"; // must be included as last driver
 
-$config = driver_config();
+if (defined("DRIVER")) {
-$possible_drivers = $config['possible_drivers'];
+	$config = driver_config();
-$jush = $config['jush'];
+	$possible_drivers = $config['possible_drivers'];
-$types = $config['types'];
+	$jush = $config['jush'];
-$structured_types = $config['structured_types'];
+	$types = $config['types'];
-$unsigned = $config['unsigned'];
+	$structured_types = $config['structured_types'];
-$operators = $config['operators'];
+	$unsigned = $config['unsigned'];
-$operator_like = $config['operator_like'];
+	$operators = $config['operators'];
-$operator_regexp = $config['operator_regexp'];
+	$operator_like = $config['operator_like'];
-$functions = $config['functions'];
+	$operator_regexp = $config['operator_regexp'];
-$grouping = $config['grouping'];
+	$functions = $config['functions'];
-$edit_functions = $config['edit_functions'];
+	$grouping = $config['grouping'];
+	$edit_functions = $config['edit_functions'];
 
-if ($adminer->operators === null) {
+	if ($adminer->operators === null) {
-	$adminer->operators = $operators;
+		$adminer->operators = $operators;
-	$adminer->operator_like = $operator_like;
+		$adminer->operator_like = $operator_like;
-	$adminer->operator_regexp = $operator_regexp;
+		$adminer->operator_regexp = $operator_regexp;
+	}
+} else {
+	define("DRIVER", null);
 }
 
-define("SERVER", $_GET[DRIVER]); // read from pgsql=localhost
+define("SERVER", DRIVER ? $_GET[DRIVER] : null); // read from pgsql=localhost
 define("DB", $_GET["db"]); // for the sake of speed and size
 define("ME", preg_replace('~\?.*~', '', relative_uri()) . '?'
 	. (sid() ? SID . '&' : '')

adminer/include/functions.inc.php

@@ -614,7 +614,7 @@ function auth_url($vendor, $server, $username, $db = null) {
 	preg_match('~([^?]*)\??(.*)~', remove_from_uri(implode("|", array_keys($drivers)) . "|username|" . ($db !== null ? "db|" : "") . session_name()), $match);
 	return "$match[1]?"
 		. (sid() ? SID . "&" : "")
-		. ($vendor != "server" || $server != "" ? urlencode($vendor) . "=" . urlencode($server) . "&" : "")
+		. urlencode($vendor) . "=" . urlencode($server) . "&"
 		. "username=" . urlencode($username)
 		. ($db != "" ? "&db=" . urlencode($db) : "")
 		. ($match[2] ? "&$match[2]" : "")

compile.php

@@ -42,15 +42,10 @@ function replace_lang($match) {
 }
 
 function put_file($match) {
-	global $project, $selected_languages, $driver;
+	global $project, $selected_languages, $single_driver;
 
 	$filename = basename($match[2]);
 
-	// Skip debug functions.
-	if ($filename == 'debug.inc.php') {
-		return "";
-	}
-
 	// Language is processed later.
 	if ($filename == '$LANG.inc.php') {
 		return $match[0];
@@ -74,10 +69,6 @@ function put_file($match) {
 		}
 	}
 
-	if ($driver && dirname($match[2]) == "../adminer/drivers") {
-		$content = preg_replace('~^if \(isset\(\$_GET\["' . $driver . '"]\)\) \{(.*)^}~ms', '\1', $content);
-	}
-
 	if ($filename == "lang.inc.php") {
 		$content = str_replace(
 			'return $key; // compile: convert translation key',
@@ -397,11 +388,15 @@ if ($argv[0] == "editor") {
 	array_shift($argv);
 }
 
-$driver = "";
+$selected_drivers = [];
-if ($argv && file_exists(dirname(__FILE__) . "/adminer/drivers/" . $argv[0] . ".inc.php")) {
+if ($argv) {
-	$driver = $argv[0];
+	$params = explode(",", $argv[0]);
-	array_shift($argv);
+	if (file_exists(dirname(__FILE__) . "/adminer/drivers/" . $params[0] . ".inc.php")) {
+		$selected_drivers = $params;
+		array_shift($argv);
+	}
 }
+$single_driver = count($selected_drivers) == 1 ? $selected_drivers[0] : null;
 
 $selected_languages = [];
 if ($argv) {
@@ -419,20 +414,24 @@ if ($argv) {
 	exit(1);
 }
 
-// check function definition in drivers
+// Check function definition in drivers.
 $file = file_get_contents(dirname(__FILE__) . "/adminer/drivers/mysql.inc.php");
 $file = preg_replace('~class Min_Driver.*\n\t}~sU', '', $file);
 preg_match_all('~\bfunction ([^(]+)~', $file, $matches); //! respect context (extension, class)
 $functions = array_combine($matches[1], $matches[0]);
 //! do not warn about functions without declared support()
 unset($functions["__construct"], $functions["__destruct"], $functions["set_charset"]);
-foreach (glob(dirname(__FILE__) . "/adminer/drivers/" . ($driver ?: "*") . ".inc.php") as $filename) {
+
-	if ($filename != "mysql.inc.php") {
+foreach (glob(dirname(__FILE__) . "/adminer/drivers/*.inc.php") as $filename) {
-		$file = file_get_contents($filename);
+	preg_match('~/([^/.]+)\.inc\.php$~', $filename, $matches);
-		foreach ($functions as $val) {
+	if ($matches[1] == "mysql" || ($selected_drivers && !in_array($matches[1], $selected_drivers))) {
-			if (!strpos($file, "$val(")) {
+		continue;
-				fprintf(STDERR, "Missing $val in $filename\n");
+	}
-			}
+
+	$file = file_get_contents($filename);
+	foreach ($functions as $function) {
+		if (!strpos($file, "$function(")) {
+			fprintf(STDERR, "Missing $function in $filename\n");
 		}
 	}
 }
@@ -443,13 +442,17 @@ include dirname(__FILE__) . "/adminer/include/driver.inc.php";
 $features = ["call" => "routine", "dump", "event", "privileges", "procedure" => "routine", "processlist", "routine", "scheme", "sequence", "status", "trigger", "type", "user" => "privileges", "variables", "view"];
 $lang_ids = []; // global variable simplifies usage in a callback functions
 
+// Start with index.php.
 $file = file_get_contents(dirname(__FILE__) . "/$project/index.php");
-if ($driver) {
+
-	$_GET[$driver] = true; // to load the driver
+// Remove including source code for unsupported features in single-driver file.
-	include_once dirname(__FILE__) . "/adminer/drivers/$driver.inc.php";
+if ($single_driver) {
+	$_GET[$single_driver] = true; // to load the driver
+	include_once dirname(__FILE__) . "/adminer/drivers/$single_driver.inc.php";
+
 	foreach ($features as $key => $feature) {
 		if (!support($feature)) {
-			if (!is_int($key)) {
+			if (is_string($key)) {
 				$feature = $key;
 			}
 			$file = str_replace("} elseif (isset(\$_GET[\"$feature\"])) {\n\tinclude \"./$feature.inc.php\";\n", "", $file);
@@ -459,28 +462,39 @@ if ($driver) {
 		$file = str_replace("if (isset(\$_GET[\"callf\"])) {\n\t\$_GET[\"call\"] = \$_GET[\"callf\"];\n}\nif (isset(\$_GET[\"function\"])) {\n\t\$_GET[\"procedure\"] = \$_GET[\"function\"];\n}\n", "", $file);
 	}
 }
-$file = preg_replace_callback('~\b(include|require) "([^"]*)";~', 'put_file', $file);
-$file = str_replace('include "../adminer/include/coverage.inc.php";', '', $file);
-if ($driver) {
-	$file = preg_replace('(include "../adminer/drivers/(?!' . preg_quote($driver) . '\.).*\s*)', '', $file);
-}
-$file = preg_replace_callback('~\b(include|require) "([^"]*)";~', 'put_file', $file); // bootstrap.inc.php
 
-if ($driver) {
+// Compile files included into the index.php.
+$file = preg_replace_callback('~\b(include|require) "([^"]*)";~', 'put_file', $file);
+
+// Remove including debug files.
+$file = str_replace('include "../adminer/include/debug.inc.php";', '', $file);
+$file = str_replace('include "../adminer/include/coverage.inc.php";', '', $file);
+
+// Remove including unwanted drivers.
+if ($selected_drivers) {
+	$file = preg_replace_callback('~include "../adminer/drivers/([^.]+).*\n~', function ($match) use ($selected_drivers) {
+		return in_array($match[1], $selected_drivers) ? $match[0] : "";
+	}, $file);
+}
+
+// Compile files included into the bootstrap.inc.php.
+$file = preg_replace_callback('~\b(include|require) "([^"]*)";~', 'put_file', $file);
+
+if ($single_driver) {
+	// Remove source code for unsupported features.
 	foreach ($features as $feature) {
 		if (!support($feature)) {
 			$file = preg_replace("((\t*)" . preg_quote('if (support("' . $feature . '")') . ".*\n\\1\\})sU", '', $file);
 		}
 	}
-	if (count($drivers) == 1) {
+
-		$file = str_replace('<?php echo html_select("auth[driver]", $drivers, DRIVER) . "\n"; ?>', "<input type='hidden' name='auth[driver]' value='" . ($driver == "mysql" ? "server" : $driver) . "'>" . reset($drivers), $file);
+	$file = preg_replace('(;\.\./vendor/vrana/jush/modules/jush-(?!textarea\.|txt\.|js\.|' . preg_quote($single_driver == "mysql" ? "sql" : $single_driver) . '\.)[^.]+.js)', '', $file);
-	}
+	$file = preg_replace_callback('~doc_link\(array\((.*)\)\)~sU', function ($match) use ($single_driver) {
-	$file = preg_replace('(;\.\./vendor/vrana/jush/modules/jush-(?!textarea\.|txt\.|js\.|' . preg_quote($driver == "mysql" ? "sql" : $driver) . '\.)[^.]+.js)', '', $file);
-	$file = preg_replace_callback('~doc_link\(array\((.*)\)\)~sU', function ($match) use ($driver) {
 		list(, $links) = $match;
-		$links = preg_replace("~'(?!(" . ($driver == "mysql" ? "sql|mariadb" : $driver) . ")')[^']*' => [^,]*,?~", '', $links);
+		$links = preg_replace("~'(?!(" . ($single_driver == "mysql" ? "sql|mariadb" : $single_driver) . ")')[^']*' => [^,]*,?~", '', $links);
 		return (trim($links) ? "doc_link(array($links))" : "''");
 	}, $file);
+
 	//! strip doc_link() definition
 }
 
@@ -491,6 +505,7 @@ if ($project == "editor") {
 
 $file = preg_replace_callback("~lang\\('((?:[^\\\\']+|\\\\.)*)'([,)])~s", 'replace_lang', $file);
 $file = preg_replace_callback('~\b(include|require) "([^"]*\$LANG.inc.php)";~', 'put_file_lang', $file);
+
 $file = str_replace("\r", "", $file);
 $file = str_replace('<?php echo script_src("static/editing.js?" . filemtime("../adminer/static/editing.js")); ?>' . "\n", "", $file);
 $file = preg_replace('~\s+echo script_src\("\.\./vendor/vrana/jush/modules/jush-(textarea|txt|js|\$jush)\.js"\);~', '', $file);
@@ -508,7 +523,7 @@ $file = php_shrink($file);
 @mkdir("temp", 0777, true);
 $filename = "temp/$project"
 	. (is_dev_version() ? "" : "-$VERSION")
-	. ($driver ? "-$driver" : "")
+	. ($single_driver ? "-$single_driver" : "")
 	. ($single_language ? "-$single_language" : "")
 	. ".php";
 

editor/include/adminer.inc.php

@@ -77,7 +77,7 @@ class Adminer {
 
 	function loginForm() {
 		echo "<table cellspacing='0' class='layout'>\n";
-		echo $this->loginFormField('username', '<tr><th>' . lang('Username') . '<td>', '<input type="hidden" name="auth[driver]" value="server"><input name="auth[username]" id="username" value="' . h($_GET["username"]) . '" autocomplete="username" autocapitalize="off">' . script("focus(gid('username'));"));
+		echo $this->loginFormField('username', '<tr><th>' . lang('Username') . '<td>', '<input type="hidden" name="auth[driver]" value="mysql"><input name="auth[username]" id="username" value="' . h($_GET["username"]) . '" autocomplete="username" autocapitalize="off">' . script("focus(gid('username'));"));
 		echo $this->loginFormField('password', '<tr><th>' . lang('Password') . '<td>', '<input type="password" name="auth[password]" autocomplete="current-password">' . "\n");
 		echo "</table>\n";
 		echo "<p><input type='submit' value='" . lang('Login') . "'>\n";

editor/sqlite.php

@@ -5,7 +5,7 @@ function adminer_object() {
 
 	class AdminerCustomization extends AdminerPlugin {
 		function loginFormField($name, $heading, $value) {
-			return parent::loginFormField($name, $heading, str_replace('value="server"', 'value="sqlite"', $value));
+			return parent::loginFormField($name, $heading, str_replace('value="mysql"', 'value="sqlite"', $value));
 		}
 		function database() {
 			return "PATH_TO_YOUR_SQLITE_HERE";

plugins/dump-alter.php

@@ -9,7 +9,7 @@
 class AdminerDumpAlter {
 
 	function dumpFormat() {
-		if (DRIVER == 'server') {
+		if (DRIVER == 'server' || DRIVER == 'mysql') {
 			return array('sql_alter' => 'Alter');
 		}
 	}

plugins/foreign-system.php

@@ -9,7 +9,7 @@
 class AdminerForeignSystem {
 
 	function foreignKeys($table) {
-		if (DRIVER == "server" && DB == "mysql") {
+		if ((DRIVER == "server" || DRIVER == "mysql") && DB == "mysql") {
 			switch ($table) {
 				case "columns_priv": return array(array("table" => "user", "source" => array("Host", "User"), "target" => array("Host", "User")));
 				case "db": return array(array("table" => "user", "source" => array("Host", "User"), "target" => array("Host", "User")));

plugins/login-servers.php

@@ -11,7 +11,7 @@ class AdminerLoginServers {
 	var $servers;
 
 	/** Set supported servers
-	* @param array array($description => array("server" => , "driver" => "server|pgsql|sqlite|..."))
+	* @param array array($description => array("server" => , "driver" => "mysql|pgsql|sqlite|..."))
 	*/
 	function __construct($servers) {
 		$this->servers = $servers;