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git-svn-id: https://adminer.svn.sourceforge.net/svnroot/adminer/trunk@1052 7c3ca157-0c34-0410-bff1-cbf682f78f5c
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commit 9a176b0ca3ac7309952f62ac833208653424f305 1 parent 4b3a013
jakubvrana authored
View
154 adminer/include/functions.inc.php
@@ -1,32 +1,62 @@
<?php
+/** Get database connection
+* @return Min_DB
+*/
function get_dbh() {
// can be used in customization, $dbh is minified
global $dbh;
return $dbh;
}
+/** Escape database identifier
+* @param string
+* @return string
+*/
function idf_escape($idf) {
return "`" . str_replace("`", "``", $idf) . "`";
}
+/** Unescape database identifier
+* @param string text inside ``
+* @return string
+*/
function idf_unescape($idf) {
return str_replace("``", "`", $idf);
}
+/** Escape or unescape string to use inside form []
+* @param string
+* @param bool
+* @return string
+*/
function bracket_escape($idf, $back = false) {
// escape brackets inside name="x[]"
static $trans = array(':' => ':1', ']' => ':2', '[' => ':3');
return strtr($idf, ($back ? array_flip($trans) : $trans));
}
+/** Escape for HTML
+* @param string
+* @return string
+*/
function h($string) {
return htmlspecialchars($string, ENT_QUOTES);
}
+/** Escape for TD
+* @param string
+* @return string
+*/
function nbsp($string) {
return (strlen(trim($string)) ? h($string) : "&nbsp;");
}
+/** Generate list of HTML options
+* @param array array of strings or arrays (creates optgroup)
+* @param mixed
+* @param bool always use array keys for value="", otherwise only string keys are used
+* @return string
+*/
function optionlist($options, $selected = null, $use_keys = false) {
$return = "";
foreach ($options as $k => $v) {
@@ -43,6 +73,11 @@ function optionlist($options, $selected = null, $use_keys = false) {
return $return;
}
+/** Get list of values from database
+* @param string
+* @param mixed
+* @return array
+*/
function get_vals($query, $column = 0) {
global $dbh;
$return = array();
@@ -55,6 +90,11 @@ function get_vals($query, $column = 0) {
return $return;
}
+/** Find unique identifier of a row
+* @param array
+* @param array result of indexes()
+* @return string query string
+*/
function unique_idf($row, $indexes) {
foreach ($indexes as $index) {
if ($index["type"] == "PRIMARY" || $index["type"] == "UNIQUE") {
@@ -77,6 +117,10 @@ function unique_idf($row, $indexes) {
return $return;
}
+/** Create SQL condition from parsed query string
+* @param array parsed query string
+* @return string
+*/
function where($where) {
global $dbh;
$return = array();
@@ -91,15 +135,30 @@ function where($where) {
return implode(" AND ", $return);
}
+/** Create SQL condition from query string
+* @param string
+* @return string
+*/
function where_check($val) {
parse_str($val, $check);
return where($check);
}
+/** Create query string where condition from value
+* @param int condition order
+* @param string column identifier
+* @param string
+* @return string
+*/
function where_link($i, $column, $value) {
return "&where%5B$i%5D%5Bcol%5D=" . urlencode($column) . "&where%5B$i%5D%5Bop%5D=%3D&where%5B$i%5D%5Bval%5D=" . urlencode($value);
}
+/** Send Location header and exit
+* @param string
+* @param string
+* @return null
+*/
function redirect($location, $message = null) {
if (isset($message)) {
$_SESSION["messages"][] = $message;
@@ -108,6 +167,15 @@ function redirect($location, $message = null) {
exit;
}
+/** Execute query and redirect if successful
+* @param string
+* @param string
+* @param string
+* @param bool
+* @param bool
+* @param bool
+* @return bool
+*/
function query_redirect($query, $location, $message, $redirect = true, $execute = true, $failed = false) {
global $dbh, $error, $adminer;
$sql = "";
@@ -127,6 +195,10 @@ function query_redirect($query, $location, $message, $redirect = true, $execute
return true;
}
+/** Execute and remember query
+* @param string null to return remembered queries
+* @return Min_Result
+*/
function queries($query = null) {
global $dbh;
static $queries = array();
@@ -138,15 +210,28 @@ function queries($query = null) {
return $dbh->query($query);
}
+/** Remove parameter from query string
+* @param string
+* @return string
+*/
function remove_from_uri($param = "") {
$param = "($param|" . session_name() . ")";
return preg_replace("~\\?$param=[^&]*&~", '?', preg_replace("~\\?$param=[^&]*\$|&$param=[^&]*~", '', $_SERVER["REQUEST_URI"]));
}
+/** Generate page number for pagination
+* @param int
+* @return string
+*/
function pagination($page) {
return " " . ($page == $_GET["page"] ? $page + 1 : '<a href="' . h(remove_from_uri("page") . ($page ? "&page=$page" : "")) . '">' . ($page + 1) . "</a>");
}
+/** Get file contents from $_FILES or $_POST["files"]
+* @param string
+* @param bool
+* @return string
+*/
function get_file($key, $decompress = false) {
// returns int for error, string otherwise
$file = $_POST["files"][$key];
@@ -168,19 +253,32 @@ function get_file($key, $decompress = false) {
)); //! may not be reachable because of open_basedir
}
+/** Determine upload error
+* @param int
+* @return string
+*/
function upload_error($error) {
$max_size = ($error == UPLOAD_ERR_INI_SIZE ? ini_get("upload_max_filesize") : null); // post_max_size is checked in index.php
return ($error ? lang('Unable to upload a file.') . ($max_size ? " " . lang('Maximum allowed file size is %sB.', $max_size) : "") : lang('File does not exist.'));
}
-function odd($s = ' class="odd"') {
+/** Generate class for odd rows
+* @param string return this for odd rows, empty to reset counter
+* @return string
+*/
+function odd($return = ' class="odd"') {
static $i = 0;
- if (!$s) { // reset counter
+ if (!$return) { // reset counter
$i = -1;
}
- return ($i++ % 2 ? $s : '');
+ return ($i++ % 2 ? $return : '');
}
+/** Print select result
+* @param Min_Result
+* @param Min_DB connection to examine indexes
+* @return null
+*/
function select($result, $dbh2 = null) {
if (!$result->num_rows) {
echo "<p class='message'>" . lang('No rows.') . "\n";
@@ -253,11 +351,21 @@ function select($result, $dbh2 = null) {
}
}
+/** Check whether the string is in UTF-8
+* @param string
+* @return bool
+*/
function is_utf8($val) {
// don't print control chars except \t\r\n
return (preg_match('~~u', $val) && !preg_match('~[\\0-\\x8\\xB\\xC\\xE-\\x1F]~', $val));
}
+/** Shorten UTF-8 string
+* @param string
+* @param int
+* @param string
+* @return string escaped string with appended ...
+*/
function shorten_utf8($string, $length = 80, $suffix = "") {
if (!preg_match("~^((?:.|\n){0,$length})(.|\n)?~u", $string, $match)) { // ~s causes trash in $match[2] under some PHP versions
preg_match("(^([\t\r\n -~]{0,$length})(.?))s", $string, $match);
@@ -265,11 +373,20 @@ function shorten_utf8($string, $length = 80, $suffix = "") {
return h($match[1]) . $suffix . ($match[2] ? "<em>...</em>" : "");
}
+/** Generate friendly URL
+* @param string
+* @return string
+*/
function friendly_url($val) {
// used for blobs and export
return preg_replace('~[^a-z0-9_]~i', '-', $val);
}
+/** Print hidden fields
+* @param array
+* @param array
+* @return null
+*/
function hidden_fields($process, $ignore = array()) {
while (list($key, $val) = each($process)) {
if (is_array($val)) {
@@ -282,6 +399,10 @@ function hidden_fields($process, $ignore = array()) {
}
}
+/** Find out foreign keys for each column
+* @param string
+* @return array array($col => array())
+*/
function column_foreign_keys($table) {
$return = array();
foreach (foreign_keys($table) as $foreign_key) {
@@ -292,6 +413,12 @@ function column_foreign_keys($table) {
return $return;
}
+/** Print edit input field
+* @param array one field from fields()
+* @param mixed
+* @param string
+* @return null
+*/
function input($field, $value, $function) {
global $types, $adminer;
$name = h(bracket_escape($field["field"]));
@@ -335,6 +462,10 @@ function input($field, $value, $function) {
}
}
+/** Process edit input field
+* @param one field from fields()
+* @return string
+*/
function process_input($field) {
global $dbh, $adminer;
$idf = bracket_escape($field["field"]);
@@ -359,6 +490,10 @@ function process_input($field) {
}
}
+/** Print data with optional compression
+* @param string null to force output
+* @return null
+*/
function dump($string = null) { // null $string forces sending of buffer
static $buffer = ""; // used to improve compression and to allow GZ archives unpackable in Total Commander
if ($_POST["compress"]) {
@@ -376,6 +511,10 @@ function dump($string = null) { // null $string forces sending of buffer
}
}
+/** Print CSV row
+* @param array
+* @return null
+*/
function dump_csv($row) {
foreach ($row as $key => $val) {
if (preg_match("~[\"\n,]~", $val) || (isset($val) && !strlen($val))) {
@@ -385,10 +524,19 @@ function dump_csv($row) {
dump(implode(",", $row) . "\n");
}
+/** Apply SQL function
+* @param string
+* @param string escaped column identifier
+* @return string
+*/
function apply_sql_function($function, $column) {
return ($function ? ($function == "count distinct" ? "COUNT(DISTINCT " : strtoupper("$function(")) . "$column)" : $column);
}
+/** Check whether the string is e-mail address
+* @param string
+* @return bool
+*/
function is_email($email) {
$atom = '[-a-z0-9!#$%&\'*+/=?^_`{|}~]'; // characters of local-name
$domain = '[a-z0-9]([-a-z0-9]{0,61}[a-z0-9])'; // one domain component
View
42 adminer/include/mysql.inc.php
@@ -140,6 +140,9 @@ function connect($server, $username, $password) {
exit;
}
+/** Connect to the database
+* @return mixed Min_DB or string for error
+*/
function connect() {
global $adminer;
$dbh = new Min_DB;
@@ -152,6 +155,10 @@ function connect() {
return $dbh->error;
}
+/** Get cached list of databases
+* @param bool
+* @return array
+*/
function get_databases($flush = true) {
// SHOW DATABASES can take a very long time so it is cached
$return = &$_SESSION["databases"][$_GET["server"]];
@@ -165,6 +172,10 @@ function get_databases($flush = true) {
return $return;
}
+/** Get table status
+* @param string
+* @return array
+*/
function table_status($name = "") {
global $dbh;
$return = array();
@@ -179,6 +190,9 @@ function table_status($name = "") {
return (strlen($name) ? $return[$name] : $return);
}
+/** Get status of referencable tables
+* @return array
+*/
function table_status_referencable() {
$return = array();
foreach (table_status() as $name => $row) {
@@ -189,6 +203,10 @@ function table_status_referencable() {
return $return;
}
+/** Get information about fields
+* @param string
+* @return array array($name => array("field" => , "full_type" => , "type" => , "length" => , "unsigned" => , "default" => , "null" => , "auto_increment" => , "on_update" => , "collation" => , "privileges" => , "comment" => , "primary" => ))
+*/
function fields($table) {
global $dbh;
$return = array();
@@ -216,6 +234,11 @@ function fields($table) {
return $return;
}
+/** Get table indexes
+* @param string
+* @param string Min_DB to use
+* @return array array($key_name => array("type" => , "columns" => array(), "lengths" => array()))
+*/
function indexes($table, $dbh2 = null) {
global $dbh;
if (!is_object($dbh2)) { // use the main connection if the separate connection is unavailable
@@ -233,6 +256,10 @@ function indexes($table, $dbh2 = null) {
return $return;
}
+/** Get foreign keys in table
+* @param string
+* @return array array($name => array("db" => , "table" => , "source" => array(), "target" => array(), "on_delete" => , "on_update" => ))
+*/
function foreign_keys($table) {
global $dbh, $on_actions;
static $pattern = '(?:[^`]|``)+';
@@ -257,11 +284,18 @@ function foreign_keys($table) {
return $return;
}
+/** Get view SELECT
+* @param string
+* @return array array("select" => )
+*/
function view($name) {
global $dbh;
return array("select" => preg_replace('~^(?:[^`]|`[^`]*`)* AS ~U', '', $dbh->result($dbh->query("SHOW CREATE VIEW " . idf_escape($name)), 1)));
}
+/** Get sorted grouped list of collations
+* @return array
+*/
function collations() {
global $dbh;
$return = array();
@@ -276,11 +310,19 @@ function collations() {
return $return;
}
+/** Escape string to use inside ''
+* @param string
+* @return string
+*/
function escape_string($val) {
global $dbh;
return substr($dbh->quote($val), 1, -1);
}
+/** Find out if database is information_schema
+* @param string
+* @return bool
+*/
function information_schema($db) {
global $dbh;
return ($dbh->server_info >= 5 && $db == "information_schema");
View
2  adminer/sql.inc.php
@@ -85,7 +85,7 @@
$offset = strlen($query);
}
} else { // find matching quote
- while (preg_match("~$found|\\\\.|\$~s", $query, $match, PREG_OFFSET_CAPTURE, $offset)) {
+ while (preg_match("~$found|\\\\.|\$~s", $query, $match, PREG_OFFSET_CAPTURE, $offset)) { //! respect sql_mode NO_BACKSLASH_ESCAPES
$s = $match[0][0];
$offset = $match[0][1] + strlen($s);
if (!$s || $s == $found) {
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