[288568]: adminer / sql.inc.php Maximize Restore History

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sql.inc.php    236 lines (213 with data), 9.6 kB

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<?php
if (!$error && $_POST["export"]) {
dump_headers("sql");
$adminer->dumpTable("", "");
$adminer->dumpData("", "table", $_POST["query"]);
exit;
}
restart_session();
$history_all = &get_session("queries");
$history = &$history_all[DB];
if (!$error && $_POST["clear"]) {
$history = array();
redirect(remove_from_uri("history"));
}
page_header((isset($_GET["import"]) ? lang('Import') : lang('SQL command')), $error);
if (!$error && $_POST) {
$fp = false;
if (!isset($_GET["import"])) {
$query = $_POST["query"];
} elseif ($_POST["webfile"]) {
$fp = @fopen((file_exists("adminer.sql")
? "adminer.sql"
: "compress.zlib://adminer.sql.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')) {
@ini_set("memory_limit", max(ini_bytes("memory_limit"), 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 || reset(end($history)) != $q) { // no repeated queries
restart_session();
$history[] = array($q, time());
set_session("queries", $history_all); // required because reference is unlinked by stop_session()
stop_session();
}
}
$space = "(?:\\s|/\\*.*\\*/|(?:#|-- )[^\n]*\n|--\n)";
$delimiter = ";";
$offset = 0;
$empty = true;
$connection2 = connect(); // connection for exploring indexes and EXPLAIN (to not replace FOUND_ROWS()) //! PDO - silent error
if (is_object($connection2) && DB != "") {
$connection2->select_db(DB);
}
$commands = 0;
$errors = array();
$line = 0;
$parse = '[\'"' . ($jush == "sql" ? '`#' : ($jush == "sqlite" ? '`[' : ($jush == "mssql" ? '[' : ''))) . ']|/\\*|-- |$' . ($jush == "pgsql" ? '|\\$[^$]*\\$' : '');
$total_start = microtime(true);
parse_str($_COOKIE["adminer_export"], $adminer_export);
$dump_format = $adminer->dumpFormat();
unset($dump_format["sql"]);
while ($query != "") {
if (!$offset && preg_match("~^$space*DELIMITER\\s+(\\S+)~i", $query, $match)) {
$delimiter = $match[1];
$query = substr($query, strlen($match[0]));
} else {
preg_match('(' . preg_quote($delimiter) . "\\s*|$parse)", $query, $match, PREG_OFFSET_CAPTURE, $offset); // should always match
list($found, $pos) = $match[0];
if (!$found && $fp && !feof($fp)) {
$query .= fread($fp, 1e5);
} else {
if (!$found && rtrim($query) == "") {
break;
}
$offset = $pos + strlen($found);
if ($found && rtrim($found) != $delimiter) { // find matching quote or comment end
while (preg_match('(' . ($found == '/*' ? '\\*/' : ($found == '[' ? ']' : (preg_match('~^-- |^#~', $found) ? "\n" : preg_quote($found) . "|\\\\."))) . '|$)s', $query, $match, PREG_OFFSET_CAPTURE, $offset)) { //! respect sql_mode NO_BACKSLASH_ESCAPES
$s = $match[0][0];
if (!$s && $fp && !feof($fp)) {
$query .= fread($fp, 1e5);
} else {
$offset = $match[0][1] + strlen($s);
if ($s[0] != "\\") {
break;
}
}
}
} else { // end of a query
$empty = false;
$q = substr($query, 0, $pos);
$commands++;
$print = "<pre id='sql-$commands'><code class='jush-$jush'>" . shorten_utf8(trim($q), 1000) . "</code></pre>\n";
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($q) && is_object($connection2) && preg_match("~^$space*USE\\b~isU", $q)) {
$connection2->query($q);
}
do {
$result = $connection->store_result();
$end = microtime(true);
$time = " <span class='time'>(" . format_time($start, $end) . ")</span>"
. (strlen($q) < 1000 ? " <a href='" . h(ME) . "sql=" . urlencode(trim($q)) . "'>" . lang('Edit') . "</a>" : "") // 1000 - maximum length of encoded URL in IE is 2083 characters
;
if ($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;
}
} elseif (is_object($result)) {
$orgtables = select($result, $connection2);
if (!$_POST["only_errors"]) {
echo "<form action='' method='post'>\n";
echo "<p>" . ($result->num_rows ? lang('%d row(s)', $result->num_rows) : "") . $time;
$id = "export-$commands";
$export = ", <a href='#$id' onclick=\"return !toggle('$id');\">" . lang('Export') . "</a><span id='$id' class='hidden'>: "
. html_select("output", $adminer->dumpOutput(), $adminer_export["output"]) . " "
. html_select("format", $dump_format, $adminer_export["format"])
. "<input type='hidden' name='query' value='" . h($q) . "'>"
. " <input type='submit' name='export' value='" . lang('Export') . "'><input type='hidden' name='token' value='$token'></span>\n"
;
if ($connection2 && preg_match("~^($space|\\()*SELECT\\b~isU", $q) && ($explain = explain($connection2, $q))) {
$id = "explain-$commands";
echo ", <a href='#$id' onclick=\"return !toggle('$id');\">EXPLAIN</a>$export";
echo "<div id='$id' class='hidden'>\n";
select($explain, $connection2, $orgtables);
echo "</div>\n";
} else {
echo $export;
}
echo "</form>\n";
}
} else {
if (preg_match("~^$space*(CREATE|DROP|ALTER)$space+(DATABASE|SCHEMA)\\b~isU", $q)) {
restart_session();
set_session("dbs", null); // clear cache
stop_session();
}
if (!$_POST["only_errors"]) {
echo "<p class='message' title='" . h($connection->info) . "'>" . lang('Query executed OK, %d row(s) affected.', $connection->affected_rows) . "$time\n";
}
}
$start = $end;
} while ($connection->next_result());
$line += substr_count($q.$found, "\n");
$query = substr($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($total_start, microtime(true)) . ")</span>\n";
} elseif ($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 = $history[$_GET["history"]][0];
}
echo "<p>";
textarea("query", $q, 20);
echo ($_POST ? "" : "<script type='text/javascript'>focus(document.getElementsByTagName('textarea')[0]);</script>\n");
echo "<p>$execute\n";
} else {
echo "<fieldset><legend>" . lang('File upload') . "</legend><div>";
echo (ini_bool("file_uploads")
? '<input type="file" name="sql_file[]" multiple> (&lt; ' . ini_get("upload_max_filesize") . 'B)' // ignore post_max_size because it is for all form fields together and bytes computing would be necessary
: lang('File uploads are disabled.')
);
echo "\n$execute";
echo "</div></fieldset>\n";
echo "<fieldset><legend>" . lang('From server') . "</legend><div>";
echo lang('Webserver file %s', "<code>adminer.sql" . (extension_loaded("zlib") ? "[.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"])), lang('Stop on error')) . "\n";
echo checkbox("only_errors", 1, $_POST["only_errors"], lang('Show only errors')) . "\n";
if (!isset($_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) = $val;
echo '<a href="' . h(ME . "sql=&history=$key") . '">' . lang('Edit') . "</a> <span class='time' title='" . @date('Y-m-d', $time) . "'>" . @date("H:i:s", $time) . "</span> <code class='jush-$jush'>" . shorten_utf8(ltrim(str_replace("\n", " ", str_replace("\r", "", preg_replace('~^(#|-- ).*~m', '', $q)))), 80, "</code>") . "<br>\n"; // @ - time zone may be not set
}
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";
}
?>
<input type="hidden" name="token" value="<?php echo $token; ?>">
</form>