git-svn-id: https://adminer.svn.sourceforge.net/svnroot/adminer/trunk@441 7c3ca157-0c34-0410-bff1-cbf682f78f5c
316 lines
9.9 KiB
PHP
316 lines
9.9 KiB
PHP
<?php
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function idf_escape($idf) {
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return "`" . str_replace("`", "``", $idf) . "`";
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}
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function idf_unescape($idf) {
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return str_replace("``", "`", $idf);
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}
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function bracket_escape($idf, $back = false) {
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static $trans = array(':' => ':1', ']' => ':2', '[' => ':3');
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return strtr($idf, ($back ? array_flip($trans) : $trans));
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}
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function optionlist($options, $selected = array()) {
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$return = "";
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foreach ($options as $k => $v) {
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if (is_array($v)) {
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$return .= '<optgroup label="' . htmlspecialchars($k) . '">';
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}
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foreach ((is_array($v) ? $v : array($v)) as $val) {
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$checked = in_array($val, (array) $selected, true);
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$return .= '<option' . ($checked ? ' selected="selected"' : '') . '>' . htmlspecialchars($val) . '</option>';
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}
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if (is_array($v)) {
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$return .= '</optgroup>';
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}
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}
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return $return;
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}
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function get_vals($query) {
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global $mysql;
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$result = $mysql->query($query);
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$return = array();
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while ($row = $result->fetch_row()) {
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$return[] = $row[0];
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}
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$result->free();
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return $return;
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}
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function table_status($table) {
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global $mysql;
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$result = $mysql->query("SHOW TABLE STATUS LIKE '" . $mysql->escape_string(addcslashes($table, "%_")) . "'");
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return $result->fetch_assoc();
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}
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function fields($table) {
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global $mysql;
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$return = array();
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$result = $mysql->query("SHOW FULL COLUMNS FROM " . idf_escape($table));
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if ($result) {
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while ($row = $result->fetch_assoc()) {
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preg_match('~^([^(]+)(?:\\((.+)\\))?( unsigned)?( zerofill)?$~', $row["Type"], $match);
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$return[$row["Field"]] = array(
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"field" => $row["Field"],
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"type" => $match[1],
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"length" => $match[2],
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"unsigned" => ltrim($match[3] . $match[4]),
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"default" => $row["Default"],
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"null" => ($row["Null"] == "YES"),
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"auto_increment" => ($row["Extra"] == "auto_increment"),
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"collation" => $row["Collation"],
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"privileges" => array_flip(explode(",", $row["Privileges"])),
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"comment" => $row["Comment"],
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"primary" => ($row["Key"] == "PRI"),
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);
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}
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$result->free();
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}
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return $return;
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}
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function indexes($table) {
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global $mysql;
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$return = array();
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$result = $mysql->query("SHOW INDEX FROM " . idf_escape($table));
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if ($result) {
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while ($row = $result->fetch_assoc()) {
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$return[$row["Key_name"]]["type"] = ($row["Key_name"] == "PRIMARY" ? "PRIMARY" : ($row["Index_type"] == "FULLTEXT" ? "FULLTEXT" : ($row["Non_unique"] ? "INDEX" : "UNIQUE")));
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$return[$row["Key_name"]]["columns"][$row["Seq_in_index"]] = $row["Column_name"];
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$return[$row["Key_name"]]["lengths"][$row["Seq_in_index"]] = $row["Sub_part"];
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}
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$result->free();
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}
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return $return;
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}
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function foreign_keys($table) {
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global $mysql, $on_actions;
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static $pattern = '(?:[^`]+|``)+';
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$return = array();
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$result = $mysql->query("SHOW CREATE TABLE " . idf_escape($table));
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if ($result) {
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$create_table = $mysql->result($result, 1);
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$result->free();
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preg_match_all("~CONSTRAINT `($pattern)` FOREIGN KEY \\(((?:`$pattern`,? ?)+)\\) REFERENCES `($pattern)`(?:\\.`($pattern)`)? \\(((?:`$pattern`,? ?)+)\\)(?: ON DELETE (" . implode("|", $on_actions) . "))?(?: ON UPDATE (" . implode("|", $on_actions) . "))?~", $create_table, $matches, PREG_SET_ORDER);
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foreach ($matches as $match) {
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preg_match_all("~`($pattern)`~", $match[2], $source);
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preg_match_all("~`($pattern)`~", $match[5], $target);
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$return[$match[1]] = array(
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"db" => idf_unescape(strlen($match[4]) ? $match[3] : $match[4]),
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"table" => idf_unescape(strlen($match[4]) ? $match[4] : $match[3]),
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"source" => array_map('idf_unescape', $source[1]),
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"target" => array_map('idf_unescape', $target[1]),
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"on_delete" => $match[6],
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"on_update" => $match[7],
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);
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}
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}
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return $return;
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}
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function view($name) {
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global $mysql;
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return array("select" => preg_replace('~^(?:[^`]+|`[^`]*`)* AS ~U', '', $mysql->result($mysql->query("SHOW CREATE VIEW " . idf_escape($name)), 1)));
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}
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function unique_idf($row, $indexes) {
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foreach ($indexes as $index) {
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if ($index["type"] == "PRIMARY" || $index["type"] == "UNIQUE") {
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$return = array();
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foreach ($index["columns"] as $key) {
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if (!isset($row[$key])) {
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continue 2;
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}
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$return[] = urlencode("where[" . bracket_escape($key) . "]") . "=" . urlencode($row[$key]);
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}
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return $return;
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}
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}
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$return = array();
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foreach ($row as $key => $val) {
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$return[] = (isset($val) ? urlencode("where[" . bracket_escape($key) . "]") . "=" . urlencode($val) : "null%5B%5D=" . urlencode($key));
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}
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return $return;
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}
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function where($where) {
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global $mysql;
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$return = array();
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foreach ((array) $where["where"] as $key => $val) {
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$key = bracket_escape($key, "back");
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$return[] = (preg_match('~^[A-Z0-9_]+\\(`(?:[^`]+|``)+`\\)$~', $key) ? $key : idf_escape($key)) . " = BINARY '" . $mysql->escape_string($val) . "'"; //! enum and set, columns looking like functions
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}
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foreach ((array) $where["null"] as $key) {
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$key = bracket_escape($key, "back");
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$return[] = (preg_match('~^[A-Z0-9_]+\\(`(?:[^`]+|``)+`\\)$~', $key) ? $key : idf_escape($key)) . " IS NULL";
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}
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return $return;
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}
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function process_length($length) {
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global $enum_length;
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return (preg_match("~^\\s*(?:$enum_length)(?:\\s*,\\s*(?:$enum_length))*\\s*\$~", $length) && preg_match_all("~$enum_length~", $length, $matches) ? implode(",", $matches[0]) : preg_replace('~[^0-9,]~', '', $length));
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}
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function collations() {
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global $mysql;
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$return = array();
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$result = $mysql->query("SHOW COLLATION");
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while ($row = $result->fetch_assoc()) {
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if ($row["Default"] && $return[$row["Charset"]]) {
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array_unshift($return[$row["Charset"]], $row["Collation"]);
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} else {
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$return[$row["Charset"]][] = $row["Collation"];
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}
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}
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$result->free();
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return $return;
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}
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function token() {
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return ($GLOBALS["TOKENS"][] = rand(1, 1e6));
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}
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function token_delete() {
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if ($_POST["token"] && ($pos = array_search($_POST["token"], (array) $GLOBALS["TOKENS"])) !== false) {
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unset($GLOBALS["TOKENS"][$pos]);
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return true;
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}
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return false;
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}
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function redirect($location, $message = null) {
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if (isset($message)) {
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$_SESSION["messages"][] = $message;
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}
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token_delete();
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if (strlen(SID)) {
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$location .= (strpos($location, "?") === false ? "?" : "&") . SID;
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}
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header("Location: " . (strlen($location) ? $location : "."));
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exit;
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}
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function remove_from_uri($param = "") {
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$param = "($param|" . session_name() . ")";
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return preg_replace("~\\?$param=[^&]*&~", '?', preg_replace("~\\?$param=[^&]*\$|&$param=[^&]*~", '', $_SERVER["REQUEST_URI"]));
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}
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function print_page($page) {
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echo " " . ($page == $_GET["page"] ? $page + 1 : '<a href="' . htmlspecialchars(remove_from_uri("page") . ($page ? "&page=$page" : "")) . '">' . ($page + 1) . "</a>");
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}
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function get_file($key) {
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if (isset($_POST["files"][$key])) {
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$length = strlen($_POST["files"][$key]);
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return ($length && $length < 4 ? intval($_POST["files"][$key]) : base64_decode($_POST["files"][$key]));
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}
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return (!$_FILES[$key] || $_FILES[$key]["error"] ? $_FILES[$key]["error"] : file_get_contents($_FILES[$key]["tmp_name"]));
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}
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function select($result) {
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global $SELF;
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if (!$result->num_rows) {
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echo "<p class='message'>" . lang('No rows.') . "</p>\n";
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} else {
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echo "<table border='1' cellspacing='0' cellpadding='2'>\n";
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$links = array();
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$indexes = array();
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$columns = array();
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$blobs = array();
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$types = array();
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for ($i=0; $row = $result->fetch_row(); $i++) {
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if (!$i) {
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echo "<thead><tr>";
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for ($j=0; $j < count($row); $j++) {
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$field = $result->fetch_field();
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if (strlen($field->orgtable)) {
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if (!isset($indexes[$field->orgtable])) {
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$indexes[$field->orgtable] = array();
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foreach (indexes($field->orgtable) as $index) {
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if ($index["type"] == "PRIMARY") {
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$indexes[$field->orgtable] = array_flip($index["columns"]);
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break;
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}
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}
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$columns[$field->orgtable] = $indexes[$field->orgtable];
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}
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if (isset($columns[$field->orgtable][$field->orgname])) {
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unset($columns[$field->orgtable][$field->orgname]);
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$indexes[$field->orgtable][$field->orgname] = $j;
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$links[$j] = $field->orgtable;
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}
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}
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if ($field->charsetnr == 63) {
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$blobs[$j] = true;
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}
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$types[$j] = $field->type;
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echo "<th>" . htmlspecialchars($field->name) . "</th>";
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}
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echo "</tr></thead>\n";
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}
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echo "<tr>";
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foreach ($row as $key => $val) {
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if (!isset($val)) {
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$val = "<i>NULL</i>";
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} else {
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if ($blobs[$key] && preg_match('~[\\x80-\\xFF]~', $val)) {
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$val = "<i>" . lang('%d byte(s)', strlen($val)) . "</i>";
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} else {
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$val = (strlen(trim($val)) ? nl2br(htmlspecialchars($val)) : " ");
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if ($types[$key] == 254) {
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$val = "<code>$val</code>";
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}
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}
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if (isset($links[$key]) && !$columns[$links[$key]]) {
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$link = "edit=" . urlencode($links[$key]);
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foreach ($indexes[$links[$key]] as $col => $j) {
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$link .= "&where" . urlencode("[" . bracket_escape($col) . "]") . "=" . urlencode($row[$j]);
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}
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$val = '<a href="' . htmlspecialchars($SELF) . $link . '">' . $val . '</a>';
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}
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}
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echo "<td>$val</td>";
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}
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echo "</tr>\n";
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}
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echo "</table>\n";
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}
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$result->free();
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}
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function shorten_utf8($string, $length) {
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for ($i=0; $i < strlen($string); $i++) {
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if (ord($string[$i]) >= 192) {
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while (ord($string[$i+1]) >= 128 && ord($string[$i+1]) < 192) {
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$i++;
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}
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}
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$length--;
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if ($length == 0) {
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return nl2br(htmlspecialchars(substr($string, 0, $i+1))) . "<em>...</em>";
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}
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}
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return nl2br(htmlspecialchars($string));
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}
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if (get_magic_quotes_gpc()) {
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$process = array(&$_GET, &$_POST);
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while (list($key, $val) = each($process)) {
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foreach ($val as $k => $v) {
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unset($process[$key][$k]);
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if (is_array($v)) {
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$process[$key][stripslashes($k)] = $v;
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$process[] = &$process[$key][stripslashes($k)];
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} else {
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$process[$key][stripslashes($k)] = stripslashes($v);
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}
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}
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}
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unset($process);
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}
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