Adminer - Database management in a single PHP file
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<?php
namespace Adminer;
if (!$error && $_POST["export"]) {
save_settings(array("output" => $_POST["output"], "format" => $_POST["format"]), "adminer_import");
dump_headers("sql");
if ($_POST["format"] == "sql") {
echo "$_POST[query]\n";
} else {
adminer()->dumpTable("", "");
adminer()->dumpData("", "table", $_POST["query"]);
adminer()->dumpFooter();
}
exit;
}
restart_session();
$history_all = &get_session("queries");
$history = &$history_all[DB];
if (!$error && $_POST["clear"]) {
$history = array();
redirect(remove_from_uri("history"));
}
stop_session();
page_header((isset($_GET["import"]) ? lang('Import') : lang('SQL command')), $error);
$line_comment = '--' . (JUSH == 'sql' ? ' ' : '');
if (!$error && $_POST) {
$fp = false;
if (!isset($_GET["import"])) {
$query = $_POST["query"];
} elseif ($_POST["webfile"]) {
$sql_file_path = adminer()->importServerPath();
$fp = @fopen((file_exists($sql_file_path)
? $sql_file_path
: "compress.zlib://$sql_file_path.gz"
), "rb");
$query = ($fp ? fread($fp, 1e6) : false);
} else {
$query = get_file("sql_file", true, ";");
}
if (is_string($query)) { // get_file() returns error as number, fread() as false
if (function_exists('memory_get_usage') && ($memory_limit = ini_bytes("memory_limit")) != "-1") {
@ini_set("memory_limit", max($memory_limit, strval(2 * strlen($query) + memory_get_usage() + 8e6))); // @ - may be disabled, 2 - substr and trim, 8e6 - other variables
}
if ($query != "" && strlen($query) < 1e6) { // don't add big queries
$q = $query . (preg_match("~;[ \t\r\n]*\$~", $query) ? "" : ";"); //! doesn't work with DELIMITER |
if (!$history || first(end($history)) != $q) { // no repeated queries
restart_session();
$history[] = array($q, time()); //! add elapsed time
set_session("queries", $history_all); // required because reference is unlinked by stop_session()
stop_session();
}
}
$space = "(?:\\s|/\\*[\s\S]*?\\*/|(?:#|$line_comment)[^\n]*\n?|--\r?\n)";
$delimiter = ";";
$offset = 0;
$empty = true;
$connection2 = connect(); // connection for exploring indexes and EXPLAIN (to not replace FOUND_ROWS()) //! PDO - silent error
if ($connection2 && DB != "") {
$connection2->select_db(DB);
if ($_GET["ns"] != "") {
set_schema($_GET["ns"], $connection2);
}
}
$commands = 0;
$errors = array();
$parse = '[\'"' . (JUSH == "sql" ? '`#' : (JUSH == "sqlite" ? '`[' : (JUSH == "mssql" ? '[' : ''))) . ']|/\*|' . $line_comment . '|$' . (JUSH == "pgsql" ? '|\$[^$]*\$' : '');
$total_start = microtime(true);
$adminer_export = get_settings("adminer_import"); // this doesn't offer SQL export so we match the import/export style at select
while ($query != "") {
if (!$offset && preg_match("~^$space*+DELIMITER\\s+(\\S+)~i", $query, $match)) {
$delimiter = preg_quote($match[1]);
$query = substr($query, strlen($match[0]));
} elseif (!$offset && JUSH == 'pgsql' && preg_match("~^($space*+COPY\\s+)[^;]+\\s+FROM\\s+stdin;~i", $query, $match)) {
$delimiter = "\n\\\\\\.\r?\n";
$offset = strlen($match[0]);
} else {
preg_match("($delimiter\\s*|$parse)", $query, $match, PREG_OFFSET_CAPTURE, $offset); // always matches
list($found, $pos) = $match[0];
if (!$found && $fp && !feof($fp)) {
$query .= fread($fp, 1e5);
} else {
if (!$found && rtrim($query) == "") {
break;
}
$offset = $pos + strlen($found);
if ($found && !preg_match("(^$delimiter)", $found)) { // find matching quote or comment end
$c_style_escapes = driver()->hasCStyleEscapes() || (JUSH == "pgsql" && ($pos > 0 && strtolower($query[$pos - 1]) == "e"));
$pattern =
($found == '/*' ? '\*/' :
($found == '[' ? ']' :
(preg_match("~^$line_comment|^#~", $found) ? "\n" :
preg_quote($found) . ($c_style_escapes ? '|\\\\.' : ''))))
;
while (preg_match("($pattern|\$)s", $query, $match, PREG_OFFSET_CAPTURE, $offset)) {
$s = $match[0][0];
if (!$s && $fp && !feof($fp)) {
$query .= fread($fp, 1e5);
} else {
$offset = $match[0][1] + strlen($s);
if (!$s || $s[0] != "\\") {
break;
}
}
}
} else { // end of a query
$empty = false;
$q = substr($query, 0, $pos + ($delimiter[0] == "\n" ? 3 : 0)); // 3 - pass "\n\\." to PostgreSQL COPY
$commands++;
$print = "<pre id='sql-$commands'><code class='jush-" . JUSH . "'>" . adminer()->sqlCommandQuery($q) . "</code></pre>\n";
if (JUSH == "sqlite" && preg_match("~^$space*+ATTACH\\b~i", $q, $match)) {
// PHP doesn't support setting SQLITE_LIMIT_ATTACHED
echo $print;
echo "<p class='error'>" . lang('ATTACH queries are not supported.') . "\n";
$errors[] = " <a href='#sql-$commands'>$commands</a>";
if ($_POST["error_stops"]) {
break;
}
} else {
if (!$_POST["only_errors"]) {
echo $print;
ob_flush();
flush(); // can take a long time - show the running query
}
$start = microtime(true);
//! don't allow changing of character_set_results, convert encoding of displayed query
if (connection()->multi_query($q) && $connection2 && preg_match("~^$space*+USE\\b~i", $q)) {
$connection2->query($q);
}
do {
$result = connection()->store_result();
if (connection()->error) {
echo ($_POST["only_errors"] ? $print : "");
echo "<p class='error'>" . lang('Error in query') . (connection()->errno ? " (" . connection()->errno . ")" : "") . ": " . error() . "\n";
$errors[] = " <a href='#sql-$commands'>$commands</a>";
if ($_POST["error_stops"]) {
break 2;
}
} else {
$time = " <span class='time'>(" . format_time($start) . ")</span>"
. (strlen($q) < 1000 ? " <a href='" . h(ME) . "sql=" . urlencode(trim($q)) . "'>" . lang('Edit') . "</a>" : "") // 1000 - maximum length of encoded URL in IE is 2083 characters
;
$affected = connection()->affected_rows; // getting warnings overwrites this
$warnings = ($_POST["only_errors"] ? "" : driver()->warnings());
$warnings_id = "warnings-$commands";
if ($warnings) {
$time .= ", <a href='#$warnings_id'>" . lang('Warnings') . "</a>" . script("qsl('a').onclick = partial(toggle, '$warnings_id');", "");
}
$explain = null;
$orgtables = null;
$explain_id = "explain-$commands";
if (is_object($result)) {
$limit = $_POST["limit"];
$orgtables = print_select_result($result, $connection2, array(), $limit);
if (!$_POST["only_errors"]) {
echo "<form action='' method='post'>\n";
$num_rows = $result->num_rows;
echo "<p class='sql-footer'>" . ($num_rows ? ($limit && $num_rows > $limit ? lang('%d / ', $limit) : "") . lang('%d row(s)', $num_rows) : "");
echo $time;
if ($connection2 && preg_match("~^($space|\\()*+SELECT\\b~i", $q) && ($explain = explain($connection2, $q))) {
echo ", <a href='#$explain_id'>Explain</a>" . script("qsl('a').onclick = partial(toggle, '$explain_id');", "");
}
$id = "export-$commands";
echo ", <a href='#$id'>" . lang('Export') . "</a>" . script("qsl('a').onclick = partial(toggle, '$id');", "") . "<span id='$id' class='hidden'>: "
. html_select("output", adminer()->dumpOutput(), $adminer_export["output"]) . " "
. html_select("format", adminer()->dumpFormat(), $adminer_export["format"])
. input_hidden("query", $q)
. "<input type='submit' name='export' value='" . lang('Export') . "'>" . input_token() . "</span>\n"
. "</form>\n"
;
}
} else {
if (preg_match("~^$space*+(CREATE|DROP|ALTER)$space++(DATABASE|SCHEMA)\\b~i", $q)) {
restart_session();
set_session("dbs", null); // clear cache
stop_session();
}
if (!$_POST["only_errors"]) {
echo "<p class='message' title='" . h(connection()->info) . "'>" . lang('Query executed OK, %d row(s) affected.', $affected) . "$time\n";
}
}
echo ($warnings ? "<div id='$warnings_id' class='hidden'>\n$warnings</div>\n" : "");
if ($explain) {
echo "<div id='$explain_id' class='hidden explain'>\n";
print_select_result($explain, $connection2, $orgtables);
echo "</div>\n";
}
}
$start = microtime(true);
} while (connection()->next_result());
}
$query = substr($query, $offset);
$offset = 0;
}
}
}
}
if ($empty) {
echo "<p class='message'>" . lang('No commands to execute.') . "\n";
} elseif ($_POST["only_errors"]) {
echo "<p class='message'>" . lang('%d query(s) executed OK.', $commands - count($errors));
echo " <span class='time'>(" . format_time($total_start) . ")</span>\n";
} elseif ($errors && $commands > 1) {
echo "<p class='error'>" . lang('Error in query') . ": " . implode("", $errors) . "\n";
}
//! MS SQL - SET SHOWPLAN_ALL OFF
} else {
echo "<p class='error'>" . upload_error($query) . "\n";
}
}
?>
<form action="" method="post" enctype="multipart/form-data" id="form">
<?php
$execute = "<input type='submit' value='" . lang('Execute') . "' title='Ctrl+Enter'>";
if (!isset($_GET["import"])) {
$q = $_GET["sql"]; // overwrite $q from if ($_POST) to save memory
if ($_POST) {
$q = $_POST["query"];
} elseif ($_GET["history"] == "all") {
$q = $history;
} elseif ($_GET["history"] != "") {
$q = idx($history[$_GET["history"]], 0);
}
echo "<p>";
textarea("query", $q, 20);
echo script(($_POST ? "" : "qs('textarea').focus();\n") . "qs('#form').onsubmit = partial(sqlSubmit, qs('#form'), '" . js_escape(remove_from_uri("sql|limit|error_stops|only_errors|history")) . "');");
echo "<p>";
adminer()->sqlPrintAfter();
echo "$execute\n";
echo lang('Limit rows') . ": <input type='number' name='limit' class='size' value='" . h($_POST ? $_POST["limit"] : $_GET["limit"]) . "'>\n";
} else {
echo "<fieldset><legend>" . lang('File upload') . "</legend><div>";
$gz = (extension_loaded("zlib") ? "[.gz]" : "");
$max_file_uploads = "max_file_uploads";
$max_file_uploads_value = ini_get($max_file_uploads);
echo (ini_bool("file_uploads")
? "SQL$gz (&lt; " . ini_get("upload_max_filesize") . "B): <input type='file' name='sql_file[]' multiple>\n" // ignore post_max_size because it is for all form fields together and bytes computing would be necessary
. script("qsl('input').onchange = partialArg(fileChange, $max_file_uploads_value, '" . lang('Increase %s.', "$max_file_uploads = $max_file_uploads_value") . "')") . $execute
: lang('File uploads are disabled.')
);
echo "</div></fieldset>\n";
$importServerPath = adminer()->importServerPath();
if ($importServerPath) {
echo "<fieldset><legend>" . lang('From server') . "</legend><div>";
echo lang('Webserver file %s', "<code>" . h($importServerPath) . "$gz</code>");
echo ' <input type="submit" name="webfile" value="' . lang('Run file') . '">';
echo "</div></fieldset>\n";
}
echo "<p>";
}
echo checkbox("error_stops", 1, ($_POST ? $_POST["error_stops"] : isset($_GET["import"]) || $_GET["error_stops"]), lang('Stop on error')) . "\n";
echo checkbox("only_errors", 1, ($_POST ? $_POST["only_errors"] : isset($_GET["import"]) || $_GET["only_errors"]), lang('Show only errors')) . "\n";
echo input_token();
if (!isset($_GET["import"]) && $history) {
print_fieldset("history", lang('History'), $_GET["history"] != "");
for ($val = end($history); $val; $val = prev($history)) { // not array_reverse() to save memory
$key = key($history);
list($q, $time, $elapsed) = $val;
echo '<a href="' . h(ME . "sql=&history=$key") . '">' . lang('Edit') . "</a>"
. " <span class='time' title='" . @date('Y-m-d', $time) . "'>" . @date("H:i:s", $time) . "</span>" // @ - time zone may be not set
. " <code class='jush-" . JUSH . "'>" . shorten_utf8(ltrim(str_replace("\n", " ", str_replace("\r", "", preg_replace("~^(#|$line_comment).*~m", '', $q)))), 80, "</code>")
. ($elapsed ? " <span class='time'>($elapsed)</span>" : "")
. "<br>\n"
;
}
echo "<input type='submit' name='clear' value='" . lang('Clear') . "'>\n";
echo "<a href='" . h(ME . "sql=&history=all") . "'>" . lang('Edit all') . "</a>\n";
echo "</div></fieldset>\n";
}
?>
</form>