* =============== Last change: 08/29/2004 *
* *
* -------------------------------------------------------------------- *
- * File : lib.php *
+ * File : lib-mysql3.php *
* -------------------------------------------------------------------- *
- * Short description : *
+ * Short description : Database layer for MySQL +3.x server *
* -------------------------------------------------------------------- *
- * Kurzbeschreibung : *
+ * Kurzbeschreibung : Datenbankschicht fuer MySQL +3.x Server *
* -------------------------------------------------------------------- *
* *
* -------------------------------------------------------------------- *
************************************************************************/
// Some security stuff...
-if (ereg(basename(__FILE__), $_SERVER['PHP_SELF']))
-{
+if (!defined('__SECURITY')) {
$INC = substr(dirname(__FILE__), 0, strpos(dirname(__FILE__), "/inc") + 4) . "/security.php";
require($INC);
}
// SQL queries
-function SQL_QUERY($sql_string, $F, $L, $compile=false)
-{
- global $link, $CSS, $CONFIG, $OK;
+function SQL_QUERY ($sql_string, $F, $L) {
+ // Link is up?
+ if (!SQL_IS_LINK_UP()) return false;
+
+ // Remove \t, \n and \r from queries they may confuse some MySQL version I have heard
+ $sql_string = str_replace("\t", " ", str_replace("\n", " ", str_replace("\r", " ", $sql_string)));
+
+ // Replace {!_MYSQL_PREFIX!} with constant, closes #84. Thanks to profi-concept
+ $sql_string = str_replace("{!_MYSQL_PREFIX!}", constant('_MYSQL_PREFIX'), $sql_string);
+
+ // Starting time
+ $querytimeBefore = array_sum(explode(' ', microtime()));
// Run SQL command
- $result = @mysql_query($sql_string, $link)
- or ADD_FATAL($F." (".$L."):".mysql_error()."<BR>
-".MYSQL_QUERY_STRING."<BR>
+ //* DEBUG: */ echo $sql_string."<br />\n";
+ $result = mysql_query($sql_string, SQL_GET_LINK())
+ or addFatalMessage($F." (".$L."):".mysql_error()."<br />
+Query string:<br />
".$sql_string);
- if (($CSS != "1") && ($CSS != "-1") && (DEBUG_MODE) && (DEBUG_SQL))
- {
+ // Ending time
+ $querytimeAfter = array_sum(explode(' ', microtime()));
+
+ // Calculate query time
+ $queryTime = $querytimeAfter - $querytimeBefore;
+
+ // Save last successfull query
+ setConfigEntry('db_last_query', $sql_string);
+
+ // Count this query
+ incrementConfigEntry('sql_count');
+
+ // Debug output
+ //* DEBUG: */ print "Query=<pre>".$sql_string."</pre>, affected=<strong>".SQL_AFFECTEDROWS()."</strong>, numrows=<strong>".SQL_NUMROWS($result)."</strong><br />\n";
+
+ if (($GLOBALS['output_mode'] != "1") && ($GLOBALS['output_mode'] != "-1") && (isBooleanConstantAndTrue('DEBUG_MODE')) && (isBooleanConstantAndTrue('DEBUG_SQL'))) {
//
// Debugging stuff...
//
- $fp = @fopen(PATH."debug.log", 'a') or mxchange_die("Cannot write debug.log!");
- if (!isset($OK)) {
+ $fp = fopen(constant('PATH')."inc/cache/mysql.log", 'a') or mxchange_die("Cannot write mysql.log!");
+ if (!isset($GLOBALS['sql_first_entry'])) {
// Write first entry
fwrite($fp, "Module=".$GLOBALS['module']."\n");
- $OK = true;
- }
- fwrite($fp, $F."(LINE=".$L."|NUM=".SQL_NUMROWS($result)."|AFFECTED=".SQL_AFFECTEDROWS()."): ".str_replace('\r', '', str_replace('\n', " ", $sql_string))."\n");
+ $GLOBALS['sql_first_entry'] = true;
+ } // END - if
+ fwrite($fp, $F."(LINE=".$L."|NUM=".SQL_NUMROWS($result)."|AFFECTED=".SQL_AFFECTEDROWS()."|QUERYTIME:".$queryTime."): ".str_replace('\r', "", str_replace('\n', " ", $sql_string))."\n");
fclose($fp);
- }
+ } // END - if
// Count DB hits
- if (!isset($CONFIG['db_hits']))
- {
+ if (!isConfigEntrySet('db_hits_run')) {
// Count in dummy variable
- $CONFIG['db_hits'] = 0;
- }
- else
- {
+ setConfigEntry('db_hits_run', 1);
+ } else {
// Count to config array
- $CONFIG['db_hits']++;
+ incrementConfigEntry('db_hits_run');
}
+
+ // Return the result
return $result;
}
// SQL num rows
-function SQL_NUMROWS($result)
-{
- if ($result != false)
- {
- $lines = @mysql_num_rows($result);
- if (empty($lines)) $lines = "0";
+function SQL_NUMROWS ($result) {
+ // Is the result a valid resource?
+ if (is_resource($result)) {
+ // Get the count of rows from database
+ $lines = mysql_num_rows($result);
- }
- else
- {
+ // Is the result empty? Then we have an error!
+ if (empty($lines)) $lines = 0;
+ } else {
// No resource given, no lines found!
- $lines = "0";
+ $lines = 0;
}
return $lines;
}
// SQL affected rows
-function SQL_AFFECTEDROWS($lnk="x", $F="dummy", $L="dummy")
-{
- global $link;
- // $lnk will be ignored for now!
- $lines = @mysql_affected_rows($link);
+function SQL_AFFECTEDROWS() {
+ // Valid link resource?
+ if (!SQL_IS_LINK_UP()) return false;
+
+ // Get affected rows
+ $lines = mysql_affected_rows(SQL_GET_LINK());
+
+ // Return it
return $lines;
}
// SQL fetch row
-function SQL_FETCHROW($result)
-{
+function SQL_FETCHROW($result) {
+ // Init data
$DATA = array();
- $DATA = @mysql_fetch_row($result);
+
+ // Is a result resource set?
+ if (!is_resource($result)) return false;
+
+ $DATA = mysql_fetch_row($result);
return $DATA;
}
// SQL fetch array
-function SQL_FETCHARRAY($res=false, $nr=0, $remove_numerical=true)
-{
+function SQL_FETCHARRAY($res, $nr=0, $remove_numerical=true) {
// Is a result resource set?
- if (!$res) return false;
+ if (!is_resource($res)) return false;
// Initialize array
$row = array();
// Load row from database
- $row = @mysql_fetch_array($res);
+ $row = mysql_fetch_array($res);
// Return only arrays here
- if (is_array($row))
- {
+ if (is_array($row)) {
// Shall we remove numerical data here automatically?
- if ($remove_numerical)
- {
- // So let's remove all numerical elements to save memory!
+ if ($remove_numerical) {
+ // So let's remove all numerical elements to save memory!
$max = count($row);
- for ($idx = 0; $idx < ($max / 2); $idx++)
- {
+ for ($idx = 0; $idx < ($max / 2); $idx++) {
// Remove entry
unset($row[$idx]);
- }
- }
+ } // END - for
+ } // END - if
// Return row
return $row;
- }
- else
- {
+ } else {
// Return a false here...
return false;
}
}
// SQL result
-function SQL_RESULT($res, $row, $field)
-{
- $result = @mysql_result($res, $row, $field);
+function SQL_RESULT ($res, $row, $field) {
+ $result = mysql_result($res, $row, $field);
return $result;
}
+
// SQL connect
-function SQL_CONNECT($host, $login, $password, $F, $L)
-{
- $connect = @mysql_connect($host, $login, $password) or ADD_FATAL($F." (".$L."):".mysql_error());
- return $connect;
+function SQL_CONNECT ($host, $login, $password, $F, $L) {
+ // Try to connect
+ $connect = mysql_connect($host, $login, $password) or addFatalMessage($F." (".$L."):".mysql_error());
+
+ // Set the link resource
+ SQL_SET_LINK($connect);
}
+
// SQL select database
-function SQL_SELECT_DB($DB, $link, $F, $L)
-{
- $DB = @mysql_select_db($DB, $link) or ADD_FATAL($F." (".$L."):".mysql_error());
- return $DB;
+function SQL_SELECT_DB ($dbName, $F, $L) {
+ // Is there still a valid link? If not, skip it.
+ if (!SQL_IS_LINK_UP()) return false;
+
+ // Return the result
+ return mysql_select_db($dbName, SQL_GET_LINK()) or addFatalMessage($F." (".$L."):".mysql_error());
}
+
// SQL close link
-function SQL_CLOSE($link, $F, $L)
-{
- global $CONFIG, $CACHE, $CFG_CACHE;
- if ((GET_EXT_VERSION("cache") >= "0.0.7") && (isset($CONFIG['db_hits'])) && (isset($CONFIG['cache_hits'])) && (is_object($CACHE)))
- {
+function SQL_CLOSE ($F, $L) {
+ if (!SQL_IS_LINK_UP()) {
+ // Skip double close
+ return false;
+ } // END - if
+
+ // Do we need to update cache/db counter?
+ //* DEBUG: */ echo "DB=".getConfig('db_hits').",CACHE=".getConfig('cache_hits')."<br />\n";
+ if ((GET_EXT_VERSION("cache") >= "0.0.7") && (getConfig('db_hits') > 0) && (getConfig('cache_hits') > 0) && (is_object($GLOBALS['cache_instance']))) {
+ // Add new hits
+ incrementConfigEntry('db_hits', getConfig('db_hits_run'));
+
// Update counter for db/cache
- $result = SQL_QUERY("UPDATE "._MYSQL_PREFIX."_config SET db_hits='".$CONFIG['db_hits']."', cache_hits='".$CONFIG['cache_hits']."' WHERE config='0' LIMIT 1", __FILE__, __LINE__);
-
- // Update cache here
- if (GET_EXT_VERSION("cache") >= "0.1.2")
- {
- if ($CACHE->cache_file("config", true))
- {
- // Replace data
- $CACHE->cache_replace("cache_hits", $CONFIG['cache_hits'], "0", $CFG_CACHE);
- $CACHE->cache_replace("db_hits" , $CONFIG['db_hits'] , "0", $CFG_CACHE);
- }
- }
- }
+ UPDATE_CONFIG(array("db_hits", "cache_hits"), array(bigintval(getConfig('db_hits')), bigintval(getConfig('cache_hits'))));
+ } // END - if
+
+ // Close database link and forget the link
+ $close = mysql_close(SQL_GET_LINK()) or addFatalMessage($F." (".$L."):".mysql_error());
- // Close database link
- $close = @mysql_close($link) or ADD_FATAL($F." (".$L."):".mysql_error());
+ // Close link
+ SQL_SET_LINK(null);
+
+ // Return the result
return $close;
}
+
// SQL free result
-function SQL_FREERESULT($result)
-{
- $res = @mysql_free_result($result);
+function SQL_FREERESULT ($result) {
+ if (!is_resource($result)) {
+ // Abort here
+ return false;
+ } // END - if
+
+ $res = mysql_free_result($result);
return $res;
}
+
// SQL string escaping
-function SQL_QUERY_ESC($qstring, $data, $file, $line, $run=true, $strip=true)
-{
- global $link;
+function SQL_QUERY_ESC ($qstring, $data, $F, $L, $run=true, $strip=true) {
+ // Link is there?
+ if (!SQL_IS_LINK_UP()) return false;
+
+ // Init variable
+ $query = "failed";
+
+ if ($strip) {
+ $strip = "true";
+ } else {
+ $strip = "false";
+ }
+
$eval = "\$query = sprintf(\"".$qstring."\"";
- foreach ($data as $var)
- {
- if (!empty($var))
- {
- if ($strip) {
- $eval .= ", SQL_ESCAPE(\"".strip_tags($var)."\")";
- } else {
- $eval .= ", SQL_ESCAPE(\"".$var."\")";
- }
- }
- else
- {
+ foreach ($data as $var) {
+ if ((!empty($var)) || ($var === 0)) {
+ $eval .= ", SQL_ESCAPE(\"".$var."\",true,".$strip.")";
+ } else {
$eval .= ", ''";
}
- }
+ } // END - foreach
$eval .= ");";
//
// Debugging
//
- //$fp = fopen(PATH."escape_debug.log", 'a') or mxchange_die("Cannot write debug.log!");
- //fwrite($fp, $file."(".$line."): ".str_replace('\r', '', str_replace('\n', " ", $eval))."\n");
- //fclose($fp);
+ //* DEBUG: */ $fp = fopen(constant('PATH')."inc/cache/escape_debug.log", 'a') or mxchange_die("Cannot write debug.log!");
+ //* DEBUG: */ fwrite($fp, $F."(".$L."): ".str_replace("\r", "", str_replace("\n", " ", $eval))."\n");
+ //* DEBUG: */ fclose($fp);
+
+ // Run the code
eval($eval);
- if ($run)
- {
+
+ // Was the eval() command fine?
+ if ($query == "failed") {
+ // Something went wrong?
+ debug_report_bug("eval={$eval}");
+ } // END - if
+
+ if ($run === true) {
// Run SQL query (default)
- return SQL_QUERY($query, $file, $line);
- }
- else
- {
+ return SQL_QUERY($query, $F, $L);
+ } else {
// Return secured string
return $query;
}
}
+
// Get ID from last INSERT command
-function SQL_INSERTID()
-{
- return @mysql_insert_id();
+function SQL_INSERTID () {
+ if (!SQL_IS_LINK_UP()) return false;
+ return mysql_insert_id();
}
+
// Escape a string for the database
-function SQL_ESCAPE($str)
-{
- global $link;
- if (!is_resource($link)) {
- // Fall-back to addslashes() when there is no link
- return addslashes($str);
- }
+function SQL_ESCAPE ($str, $secureString=true,$strip=true) {
+ // Secure string first? (which is the default behaviour!)
+ if ($secureString) {
+ // Then do it here
+ $str = secureString($str, $strip);
+ } // END - if
- if (function_exists('mysql_real_escape_string')) {
+ if (!SQL_IS_LINK_UP()) {
+ // Fall-back to smartAddSlashes() when there is no link
+ return smartAddSlashes($str);
+ } elseif (function_exists('mysql_real_escape_string')) {
// The new and improved version
- return mysql_real_escape_string($str, $link);
+ //* DEBUG: */ print __FUNCTION__."(<font color=\"#0000aa\">".__LINE__."</font>):str={$str}<br />\n";
+ return mysql_real_escape_string($str, SQL_GET_LINK());
} elseif (function_exists('mysql_escape_string')) {
- // The obsulete function
- return mysql_escape_string($str, $link);
+ // The obsolete function
+ return mysql_escape_string($str, SQL_GET_LINK());
} else {
- // If nothing else works
- return addslashes($str);
+ // If nothing else works, fall back to smartAddSlashes()
+ return smartAddSlashes($str);
}
}
+
// SELECT query string from table, columns and so on... ;-)
-function SQL_RESULT_FROM_ARRAY ($table, $columns, $idRow, $id) {
+function SQL_RESULT_FROM_ARRAY ($table, $columns, $idRow, $id, $F, $L) {
+ // Is columns an array?
+ if (!is_array($columns)) {
+ // No array
+ trigger_error(sprintf("columns is not array. %s!=array", gettype($columns)));
+ } // END - if
+
// Prepare the SQL statement
- $SQL = "SELECT ".implode(", ", $columns)." FROM "._MYSQL_PREFIX."_".$table." WHERE ".$idRow."=%d LIMIT 1";
+ $SQL = "SELECT `".implode("`, `", $columns)."` FROM `{!_MYSQL_PREFIX!}_%s` WHERE ``='%s' LIMIT 1";
// Return the result
- return SQL_QUERY_ESC($SQL, array(bigintval($id)), __FILE__, __LINE__);
+ return SQL_QUERY_ESC($SQL,
+ array(
+ bigintval($id),
+ $table,
+ $idRow
+ ), $F, $L);
}
+
+// ALTER TABLE wrapper function
+function SQL_ALTER_TABLE ($sql, $F, $L) {
+ // This is the default result...
+ $result = false;
+
+ // Determine index/fulltext/unique word
+ // 12 3 3 2 2 3 3 2 2 3 3 21
+ $noIndex = ((eregi("INDEX", $sql) == false) && (eregi("FULLTEXT", $sql) == false) && (eregi("UNIQUE", $sql) == false));
+
+ // Shall we add/drop?
+ if (((eregi("ADD", $sql) > 0) || (eregi("DROP", $sql) > 0)) && ($noIndex)) {
+ // Extract table name
+ $tableArray = explode(" ", $sql);
+ $tableName = str_replace("`", "", $tableArray[2]);
+
+ // And column name as well
+ $columnName = str_replace("`", "", $tableArray[4]);
+
+ // Get column information
+ $result = SQL_QUERY_ESC("SHOW COLUMNS FROM %s LIKE '%s'",
+ array($tableName, $columnName), $F, $L);
+
+ // Do we have no entry on ADD or an entry on DROP?
+ // 123 4 4 3 3 4 4 32 23 4 4 3 3 4 4 321
+ if (((SQL_NUMROWS($result) == 0) && (eregi("ADD", $sql) > 0)) || ((SQL_NUMROWS($result) == 1) && (eregi("DROP", $sql) > 0))) {
+ // Do the query
+ $result = SQL_QUERY($sql, $F, $L, false);
+ } // END - if
+ } else {
+ // Send it to the SQL_QUERY() function
+ $result = SQL_QUERY($sql, $F, $L, false);
+ }
+
+ // Return result
+ return $result;
+}
+
+// Getter for SQL link
+function SQL_GET_LINK () {
+ // Init link
+ $link = null;
+
+ // Is it in the globals?
+ if (isset($GLOBALS['sql_link'])) {
+ // Then take it
+ $link = $GLOBALS['sql_link'];
+ } // END - if
+
+ // Return it
+ return $link;
+}
+
+// Setter for link
+function SQL_SET_LINK ($link) {
+ // Is this a resource or null?
+ if ((!is_resource($link)) && (!is_null($link))) {
+ // This should never happen!
+ trigger_error(sprintf("link is not resource or null. Type: %s", gettype($link)));
+ } // END - if
+
+ // Set it
+ $GLOBALS['sql_link'] = $link;
+}
+
+// Checks if the link is up
+function SQL_IS_LINK_UP () {
+ // Get the link
+ $link = SQL_GET_LINK();
+
+ // Return the result
+ return (is_resource($link));
+}
+
//
?>
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