<?php
/***************************************************************************
* admin_database.php
* -------------------
* begin : Thu May 31, 2001
* copyright : (C) 2001 The phpBB Group
* email : support@phpbb.com
*
* $Id$
*
****************************************************************************/
/***************************************************************************
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
***************************************************************************/
if (!empty($setmodules))
{
$filename = basename(__FILE__);
$module['DB']['DB_BACKUP'] = ($auth->acl_get('a_backup')) ? $filename . "$SID&mode=backup" : '';
$file_uploads = @ini_get('file_uploads');
if (!empty($file_uploads) && $file_uploads !== 0 && strtolower($file_uploads) != 'off' && $auth->acl_get('a_restore'))
{
$module['DB']['DB_RESTORE'] = $filename . "$SID&mode=restore";
}
return;
}
define('IN_PHPBB', 1);
// Load default header
$phpbb_root_path = '../';
require($phpbb_root_path . 'extension.inc');
require('pagestart.' . $phpEx);
$mode = (isset($_GET['mode'])) ? $_GET['mode'] : '';
// Increase maximum execution time, but don't complain about it if it isn't
// allowed.
@set_time_limit(1200);
// Begin program proper
switch($mode)
{
case 'backup':
if (!$auth->acl_get('a_backup'))
{
trigger_error($user->lang['NO_ADMIN']);
}
if (SQL_LAYER == 'oracle' || SQL_LAYER == 'odbc' || SQL_LAYER == 'mssql')
{
switch (SQL_LAYER)
{
case 'oracle':
$db_type = 'Oracle';
break;
case 'odbc':
$db_type = 'ODBC';
break;
case 'mssql':
$db_type = 'MSSQL';
break;
}
trigger_error($user->lang['Backups_not_supported']);
break;
}
$additional_tables = (isset($_POST['tables'])) ? $_POST['tables'] : ((isset($_GET['tables'])) ? $_GET['tables'] : '');
$backup_type = (isset($_POST['type'])) ? $_POST['type'] : ((isset($_GET['type'])) ? $_GET['type'] : '');
$search = (!empty($_POST['search'])) ? intval($_POST['search']) : ((!empty($_GET['search'])) ? intval($_GET['search']) : 0);
$store_path = (isset($_POST['store'])) ? $_POST['store'] : ((isset($_GET['store'])) ? $_GET['store'] : '');
$compress = (!empty($_POST['compress'])) ? $_POST['compress'] : ((!empty($_GET['compress'])) ? $_GET['compress'] : 'none');
if (!isset($_POST['backupstart']) && !isset($_GET['backupstart']))
{
page_header($user->lang['DB_BACKUP']);
?>
<h1><?php echo $user->lang['DB_BACKUP']; ?></h1>
<p><?php echo $user->lang['Backup_explain']; ?></p>
<form method="post" action="<?php echo "admin_database.$phpEx$SID&mode=$mode"; ?>"><table class="bg" width="80%" cellspacing="1" cellpadding="4" border="0" align="center">
<tr>
<th colspan="2"><?php echo $user->lang['Backup_options']; ?></th>
</tr>
<tr>
<td class="row1"><?php echo $user->lang['Backup_type']; ?>: </td>
<td class="row2"><input type="radio" name="type" value="full" checked="checked" /> <?php echo $user->lang['Full_backup']; ?> <input type="radio" name="type" value="structure" /> <?php echo $user->lang['Structure_only']; ?> <input type="radio" name="type" value="data" /> <?php echo $user->lang['Data_only']; ?></td>
</tr>
<tr>
<td class="row1"><?php echo $user->lang['Include_search_index']; ?>: <br /><span class="gensmall"><?php echo $user->lang['Include_search_index_explain']; ?></span></td>
<td class="row2"><input type="radio" name="search" value="0" /> <?php echo $user->lang['NO']; ?> <input type="radio" name="search" value="1" checked="checked" /> <?php echo $user->lang['YES']; ?></td>
</tr>
<tr>
<td class="row1"><?php echo $user->lang['Additional_tables']; ?>: <br /><span class="gensmall"><?php echo $user->lang['Additional_tables_explain']; ?></span></td>
<td class="row2"><input type="text" name="tables" size="40" /></td>
</tr>
<tr>
<td class="row1"><?php echo $user->lang['Store_local']; ?>: <br /><span class="gensmall"><?php echo $user->lang['Store_local_explain']; ?></span></td>
<td class="row2"><input type="text" name="store" size="40" /></td>
</tr>
<?php
if (extension_loaded('zlib') || extension_loaded('bz2'))
{
?>
<tr>
<td class="row1"><?php echo $user->lang['Compress_file']; ?>: </td>
<td class="row2"><input type="radio" name="compress" value="none" checked="checked" /> <?php echo $user->lang['NONE']; ?><?php
if (extension_loaded('zlib'))
{
?> <input type="radio" name="compress" value="gzip" />.gz <input type="radio" name="compress" value="zip" />.zip<?php
}
if (extension_loaded('bz2'))
{
?> <input type="radio" name="compress" value="bzip" />.bz2<?php
}
?></td>
</tr>
<?php
}
?>
<tr>
<td class="cat" colspan="2" align="center"><input type="submit" name="backupstart" value="<?php echo $user->lang['Start_backup']; ?>" class="mainoption" /></td>
</tr>
</table></form>
<?php
break;
}
else if (!isset($_POST['startdownload']) && !isset($_GET['startdownload']))
{
$meta = "<meta http-equiv=\"refresh\" content=\"0;url=admin_database.$phpEx?mode=backup&type=$backup_type&tables=" . quotemeta($additional_tables) . "&search=$search&store=" . quotemeta($store_path) . "&compress=$compress&backupstart=1&startdownload=1\">";
$message = (empty($store_path)) ? $user->lang['Backup_download'] : $user->lang['Backup_writing'];
page_header($user->lang['DB_Backup'], $meta);
page_message($user->lang['DB_Backup'], $message);
page_footer();
}
$tables = (SQL_LAYER != 'postgresql') ? mysql_get_tables() : pg_get_tables();
@sort($tables);
if (!empty($additional_tables))
{
$additional_tables = explode(',', $additional_tables);
for($i = 0; $i < count($additional_tables); $i++)
{
$tables[] = trim($additional_tables[$i]);
}
unset($additional_tables);
}
//
// Enable output buffering
//
@ob_start();
@ob_implicit_flush(0);
//
// Build the sql script file...
//
echo "#\n";
echo "# phpBB Backup Script\n";
echo "# Dump of tables for $dbname\n";
echo "#\n# DATE : " . gmdate("d-m-Y H:i:s", time()) . " GMT\n";
echo "#\n";
if (SQL_LAYER == 'postgresql')
{
echo "\n" . pg_get_sequences("\n", $backup_type);
}
for($i = 0; $i < count($tables); $i++)
{
$table_name = $tables[$i];
if (SQL_LAYER != 'mysql4')
{
$table_def_function = "get_table_def_" . SQL_LAYER;
$table_content_function = "get_table_content_" . SQL_LAYER;
}
else
{
$table_def_function = "get_table_def_mysql";
$table_content_function = "get_table_content_mysql";
}
if ($backup_type != 'data')
{
echo "#\n# TABLE: " . $table_name . "\n#\n";
echo $table_def_function($table_name, "\n") . "\n";
}
if ($backup_type != 'structure')
{
//
// Skip search table data?
//
if ($search || (!$search && !preg_match('/search_word/', $table_name)))
{
$table_content_function($table_name, "output_table_content");
}
}
}
//
// Flush the buffer, send the file
//
switch ($compress)
{
case 'gzip':
$extension = 'sql.gz';
$contents = gzencode(ob_get_contents());
ob_end_clean();
break;
case 'zip':
$extension = 'zip';
$zip = new zipfile;
$zip->add_file(ob_get_contents(), "phpbb_db_backup.sql", time());
ob_end_clean();
$contents = $zip->file();
break;
case 'bzip':
$extension = 'bz2';
$contents = bzcompress(ob_get_contents());
ob_end_clean();
break;
default:
$extension = 'sql';
$contents = ob_get_contents();
ob_end_clean();
}
add_log('admin', 'log_db_backup');
if (empty($store_path))
{
header("Pragma: no-cache");
header("Content-Type: text/x-delimtext; name=\"phpbb_db_backup.$extension\"");
header("Content-disposition: attachment; filename=phpbb_db_backup.$extension");
echo $contents;
unset($contents);
}
else
{
if (!($fp = fopen('./../' . $store_path . "/phpbb_db_backup.$extension", 'wb')))
{
message_die(ERROR, 'Could not open backup file');
}
if (!fwrite($fp, $contents))
{
message_die(ERROR, 'Could not write backup file content');
}
fclose($fp);
unset($contents);
trigger_error($user->lang['Backup_success']);
}
exit;
break;
case 'restore':
if (!$auth->acl_get('a_restore'))
{
trigger_error($user->lang['No_admin']);
}
if (isset($_POST['restorestart']))
{
//
// Handle the file upload ....
// If no file was uploaded report an error...
//
if (!empty($_POST['local']))
{
$file_tmpname = './../' . str_replace('\\\\', '/', $_POST['local']);
$filename = substr($file_tmpname, strrpos($file_tmpname, '/'));
}
else
{
$filename = (!empty($HTTP_POST_FILES['backup_file']['name'])) ? $HTTP_POST_FILES['backup_file']['name'] : '';
$file_tmpname = ($HTTP_POST_FILES['backup_file']['tmp_name'] != 'none') ? $HTTP_POST_FILES['backup_file']['tmp_name'] : '';
}
if ($file_tmpname == '' || $filename == '' || !file_exists($file_tmpname))
{
trigger_error($user->lang['Restore_Error_no_file']);
}
$ext = substr($filename, strrpos($filename, '.') + 1);
if (!preg_match('/^(sql|gz|bz2)$/', $ext))
{
trigger_error($user->lang['Restore_Error_filename']);
}
if ((!extension_loaded('zlib') && $ext == 'gz') || (!extension_loaded('zip') && $ext == 'zip') || ($ext == 'bz2' && !extension_loaded('bz2')))
{
trigger_error($user->lang['Compress_unsupported']);
}
$sql_query = '';
switch ($ext)
{
case 'gz':
$fp = gzopen($file_tmpname, 'rb');
while (!gzeof($fp))
{
$sql_query .= gzgets($fp, 100000);
}
gzclose($fp);
break;
case 'bz2':
$sql_query = bzdecompress(fread(fopen($file_tmpname, 'rb'), filesize($file_tmpname)));
break;
case 'zip':
default;
$sql_query = fread(fopen($file_tmpname, 'r'), filesize($file_tmpname));
}
if ($sql_query != '')
{
// Strip out sql comments...
$sql_query = remove_remarks($sql_query);
$pieces = split_sql_file($sql_query, ';');
$sql_count = count($pieces);
for($i = 0; $i < $sql_count; $i++)
{
$sql = trim($pieces[$i]);
if (!empty($sql) && $sql[0] != '#')
{
$db->sql_query($sql);
}
}
}
add_log('admin', 'log_db_restore');
trigger_error($user->lang['Restore_success']);
}
//
// Restore page
//
page_header($user->lang['DB_RESTORE']);
?>
<h1><?php echo $user->lang['DB_RESTORE']; ?></h1>
<p><?php echo $user->lang['Restore_explain']; ?></p>
<form enctype="multipart/form-data" method="post" action="<?php echo "admin_database.$phpEx$SID&mode=$mode"; ?>"><table class="bg" width="80%" cellspacing="1" cellpadding="4" border="0" align="center">
<th colspan="2"><?php echo $user->lang['Select_file']; ?></th>
</tr>
<tr>
<td class="row1"><?php echo $user->lang['Upload_file']; ?>: <br /><span class="gensmall"><?php
echo $user->lang['Supported_extensions'];
$types = ': <u>sql</u>';
if (extension_loaded('zlib'))
{
$types .= ', <u>sql.gz</u>';
}
if (extension_loaded('bz2'))
{
$types .= ', <u>bz2</u>';
}
echo $types;
?></span></td>
<td class="row2"><input type="file" name="backup_file" /></td>
</tr>
<tr>
<td class="row1"><?php echo $user->lang['Local_backup_file']; ?>: <br /><span class="gensmall"><?php echo $user->lang['Local_backup_file_explain']; ?></span></td>
<td class="row2"><input type="text" name="local" size="40" /></td>
</tr>
<tr>
<td class="cat" colspan="2" align="center"><input type="submit" name="restorestart" value="<?php echo $user->lang['Start_Restore']; ?>" class="mainoption" /></td>
</tr>
</table></form>
<?php
break;
default:
trigger_error($user->lang['No_admin']);
exit;
}
page_footer();
// -----------------------------------------------
// Begin Functions
//
//
// Table defns (not from phpMyAdmin)
//
function mysql_get_tables()
{
global $db, $table_prefix;
$tables = array();
$result = mysql_list_tables($db->dbname, $db->db_connect_id);
if ($row = $db->sql_fetchrow($result))
{
do
{
if (preg_match('/^' . $table_prefix . '/', $row[0]))
{
$tables[] = $row[0];
}
}
while ($row = $db->sql_fetchrow($result));
}
return $tables;
}
//
// The following functions are adapted from phpMyAdmin and upgrade_20.php
//
// This function is used for grabbing the sequences for postgres...
//
function pg_get_sequences($crlf, $backup_type)
{
global $db;
$get_seq_sql = "SELECT relname FROM pg_class WHERE NOT relname ~ 'pg_.*'
AND relkind = 'S' ORDER BY relname";
$seq = $db->sql_query($get_seq_sql);
if (!$num_seq = $db->sql_numrows($seq))
{
$return_val = "# No Sequences Found $crlf";
}
else
{
$return_val = "# Sequences $crlf";
$i_seq = 0;
while($i_seq < $num_seq)
{
$row = $db->sql_fetchrow($seq);
$sequence = $row['relname'];
$get_props_sql = "SELECT * FROM $sequence";
$seq_props = $db->sql_query($get_props_sql);
if ($db->sql_numrows($seq_props) > 0)
{
$row1 = $db->sql_fetchrow($seq_props);
if ($backup_type == 'structure')
{
$row['last_value'] = 1;
}
$return_val .= "CREATE SEQUENCE $sequence start " . $row['last_value'] . ' increment ' . $row['increment_by'] . ' maxvalue ' . $row['max_value'] . ' minvalue ' . $row['min_value'] . ' cache ' . $row['cache_value'] . "; $crlf";
} // End if numrows > 0
if (($row['last_value'] > 1) && ($backup_type != 'structure'))
{
$return_val .= "SELECT NEXTVALE('$sequence'); $crlf";
unset($row['last_value']);
}
$i_seq++;
} // End while..
} // End else...
return $returnval;
} // End function...
//
// The following functions will return the "CREATE TABLE syntax for the
// varying DBMS's
//
// This function returns, will return the table def's for postgres...
//
function get_table_def_postgresql($table, $crlf)
{
global $db;
$schema_create = "";
//
// Get a listing of the fields, with their associated types, etc.
//
$field_query = "SELECT a.attnum, a.attname AS field, t.typname as type, a.attlen AS length, a.atttypmod as lengthvar, a.attnotnull as notnull
FROM pg_class c, pg_attribute a, pg_type t
WHERE c.relname = '$table'
AND a.attnum > 0
AND a.attrelid = c.oid
AND a.atttypid = t.oid
ORDER BY a.attnum";
$result = $db->sql_query($field_query);
if (!$result)
{
message_die(GENERAL_ERROR, "Failed in get_table_def (show fields)", "", __LINE__, __FILE__, $field_query);
} // end if..
$schema_create .= "DROP TABLE $table;$crlf";
//
// Ok now we actually start building the SQL statements to restore the tables
//
$schema_create .= "CREATE TABLE $table($crlf";
while ($row = $db->sql_fetchrow($result))
{
//
// Get the data from the table
//
$sql_get_default = "SELECT d.adsrc AS rowdefault
FROM pg_attrdef d, pg_class c
WHERE (c.relname = '$table')
AND (c.oid = d.adrelid)
AND d.adnum = " . $row['attnum'];
$def_res = $db->sql_query($sql_get_default);
if (!$def_res)
{
unset($row['rowdefault']);
}
else
{
$row['rowdefault'] = @pg_result($def_res, 0, 'rowdefault');
}
if ($row['type'] == 'bpchar')
{
// Internally stored as bpchar, but isn't accepted in a CREATE TABLE statement.
$row['type'] = 'char';
}
$schema_create .= ' ' . $row['field'] . ' ' . $row['type'];
if (eregi('char', $row['type']))
{
if ($row['lengthvar'] > 0)
{
$schema_create .= '(' . ($row['lengthvar'] -4) . ')';
}
}
if (eregi('numeric', $row['type']))
{
$schema_create .= '(';
$schema_create .= sprintf("%s,%s", (($row['lengthvar'] >> 16) & 0xffff), (($row['lengthvar'] - 4) & 0xffff));
$schema_create .= ')';
}
if (!empty($row['rowdefault']))
{
$schema_create .= ' DEFAULT ' . $row['rowdefault'];
}
if ($row['notnull'] == 't')
{
$schema_create .= ' NOT NULL';
}
$schema_create .= ",$crlf";
}
//
// Get the listing of primary keys.
//
$sql_pri_keys = "SELECT ic.relname AS index_name, bc.relname AS tab_name, ta.attname AS column_name, i.indisunique AS unique_key, i.indisprimary AS primary_key
FROM pg_class bc, pg_class ic, pg_index i, pg_attribute ta, pg_attribute ia
WHERE (bc.oid = i.indrelid)
AND (ic.oid = i.indexrelid)
AND (ia.attrelid = i.indexrelid)
AND (ta.attrelid = bc.oid)
AND (bc.relname = '$table')
AND (ta.attrelid = i.indrelid)
AND (ta.attnum = i.indkey[ia.attnum-1])
ORDER BY index_name, tab_name, column_name ";
$result = $db->sql_query($sql_pri_keys);
if (!$result)
{
message_die(GENERAL_ERROR, "Failed in get_table_def (show fields)", "", __LINE__, __FILE__, $sql_pri_keys);
}
while ($row = $db->sql_fetchrow($result))
{
if ($row['primary_key'] == 't')
{
if (!empty($primary_key))
{
$primary_key .= ', ';
}
$primary_key .= $row['column_name'];
$primary_key_name = $row['index_name'];
}
else
{
//
// We have to store this all this info because it is possible to have a multi-column key...
// we can loop through it again and build the statement
//
$index_rows[$row['index_name']]['table'] = $table;
$index_rows[$row['index_name']]['unique'] = ($row['unique_key'] == 't') ? ' UNIQUE ' : '';
$index_rows[$row['index_name']]['column_names'] .= $row['column_name'] . ', ';
}
}
if (!empty($index_rows))
{
while(list($idx_name, $props) = each($index_rows))
{
$props['column_names'] = ereg_replace(", $", "" , $props['column_names']);
$index_create .= 'CREATE ' . $props['unique'] . " INDEX $idx_name ON $table (" . $props['column_names'] . ");$crlf";
}
}
if (!empty($primary_key))
{
$schema_create .= " CONSTRAINT $primary_key_name PRIMARY KEY ($primary_key),$crlf";
}
//
// Generate constraint clauses for CHECK constraints
//
$sql_checks = "SELECT rcname as index_name, rcsrc
FROM pg_relcheck, pg_class bc
WHERE rcrelid = bc.oid
AND bc.relname = '$table'
AND NOT EXISTS (
SELECT *
FROM pg_relcheck as c, pg_inherits as i
WHERE i.inhrelid = pg_relcheck.rcrelid
AND c.rcname = pg_relcheck.rcname
AND c.rcsrc = pg_relcheck.rcsrc
AND c.rcrelid = i.inhparent
)";
$result = $db->sql_query($sql_checks);
if (!$result)
{
message_die(GENERAL_ERROR, "Failed in get_table_def (show fields)", "", __LINE__, __FILE__, $sql_checks);
}
//
// Add the constraints to the sql file.
//
while ($row = $db->sql_fetchrow($result))
{
$schema_create .= ' CONSTRAINT ' . $row['index_name'] . ' CHECK ' . $row['rcsrc'] . ",$crlf";
}
$schema_create = ereg_replace(',' . $crlf . '$', '', $schema_create);
$index_create = ereg_replace(',' . $crlf . '$', '', $index_create);
$schema_create .= "$crlf);$crlf";
if (!empty($index_create))
{
$schema_create .= $index_create;
}
//
// Ok now we've built all the sql return it to the calling function.
//
return (stripslashes($schema_create));
}
//
// This function returns the "CREATE TABLE" syntax for mysql dbms...
//
function get_table_def_mysql($table, $crlf)
{
global $db;
$schema_create = "";
$field_query = "SHOW FIELDS FROM $table";
$key_query = "SHOW KEYS FROM $table";
// If the user has selected to drop existing tables when doing a restore.
// Then we add the statement to drop the tables....
$schema_create .= "DROP TABLE IF EXISTS $table;$crlf";
$schema_create .= "CREATE TABLE $table($crlf";
// Ok lets grab the fields...
$result = $db->sql_query($field_query);
while ($row = $db->sql_fetchrow($result))
{
$schema_create .= ' ' . $row['Field'] . ' ' . $row['Type'];
if (!empty($row['Default']))
{
$schema_create .= ' DEFAULT \'' . $row['Default'] . '\'';
}
if ($row['Null'] != "YES")
{
$schema_create .= ' NOT NULL';
}
if ($row['Extra'] != "")
{
$schema_create .= ' ' . $row['Extra'];
}
$schema_create .= ",$crlf";
}
//
// Drop the last ',$crlf' off ;)
//
$schema_create = ereg_replace(',' . $crlf . '$', "", $schema_create);
//
// Get any Indexed fields from the database...
//
$result = $db->sql_query($key_query);
while($row = $db->sql_fetchrow($result))
{
$kname = $row['Key_name'];
if (($kname != 'PRIMARY') && ($row['Non_unique'] == 0))
{
$kname = "UNIQUE|$kname";
}
if (!is_array($index[$kname]))
{
$index[$kname] = array();
}
$index[$kname][] = $row['Column_name'];
}
foreach ($index as $x => $columns)
{
$schema_create .= ", $crlf";
if ($x == 'PRIMARY')
{
$schema_create .= ' PRIMARY KEY (' . implode($columns, ', ') . ')';
}
elseif (substr($x,0,6) == 'UNIQUE')
{
$schema_create .= ' UNIQUE ' . substr($x,7) . ' (' . implode($columns, ', ') . ')';
}
else
{
$schema_create .= " KEY $x (" . implode($columns, ', ') . ')';
}
}
$schema_create .= "$crlf);";
if (get_magic_quotes_runtime())
{
return(stripslashes($schema_create));
}
else
{
return($schema_create);
}
} // End get_table_def_mysql
//
// This fuction will return a tables create definition to be used as an sql
// statement.
//
//
// The following functions Get the data from the tables and format it as a
// series of INSERT statements, for each different DBMS...
// After every row a custom callback function $handler gets called.
// $handler must accept one parameter ($sql_insert);
//
//
// Here is the function for postgres...
//
function get_table_content_postgresql($table, $handler)
{
global $db;
// Grab all of the data from current table.
$result = $db->sql_query("SELECT * FROM $table");
$i_num_fields = $db->sql_numfields($result);
for ($i = 0; $i < $i_num_fields; $i++)
{
$aryType[] = $db->sql_fieldtype($i, $result);
$aryName[] = $db->sql_fieldname($i, $result);
}
$iRec = 0;
while ($row = $db->sql_fetchrow($result))
{
unset($schema_vals);
unset($schema_fields);
unset($schema_insert);
// Build the SQL statement to recreate the data.
for($i = 0; $i < $i_num_fields; $i++)
{
$strVal = $row[$aryName[$i]];
if (preg_match('#char|text|bool#i', $aryType[$i]))
{
$strQuote = "'";
$strEmpty = "";
$strVal = addslashes($strVal);
}
elseif (preg_match('#date|timestamp#i', $aryType[$i]))
{
if ($empty($strVal))
{
$strQuote = "";
}
else
{
$strQuote = "'";
}
}
else
{
$strQuote = "";
$strEmpty = "NULL";
}
if (empty($strVal) && $strVal != "0")
{
$strVal = $strEmpty;
}
$schema_vals .= " $strQuote$strVal$strQuote,";
$schema_fields .= " $aryName[$i],";
}
$schema_vals = preg_replace('#,$#', '', $schema_vals);
$schema_vals = preg_replace('#^ #', '', $schema_vals);
$schema_fields = preg_replace('#,$#', '', $schema_fields);
$schema_fields = preg_replace('#^ #', '', $schema_fields);
// Take the ordered fields and their associated data and build it
// into a valid sql statement to recreate that field in the data.
$schema_insert = "INSERT INTO $table ($schema_fields) VALUES($schema_vals);";
$handler(trim($schema_insert));
}
return(true);
}// end function get_table_content_postgres...
//
// This function is for getting the data from a mysql table.
//
function get_table_content_mysql($table, $handler)
{
global $db;
// Grab the data from the table.
$result = $db->sql_query("SELECT * FROM $table");
// Loop through the resulting rows and build the sql statement.
$schema_insert = "";
if ($row = $db->sql_fetchrow($result))
{
$schema_insert = "\n#\n# Table Data for $table\n#\n";
$handler($schema_insert);
do
{
$table_list = '(';
$num_fields = $db->sql_numfields($result);
//
// Grab the list of field names.
//
for ($j = 0; $j < $num_fields; $j++)
{
$table_list .= $db->sql_fieldname($j, $result) . ', ';
}
//
// Get rid of the last comma
//
$table_list = preg_replace('#, $#', '', $table_list);
$table_list .= ')';
//
// Start building the SQL statement.
//
$schema_insert = "INSERT INTO $table $table_list VALUES(";
//
// Loop through the rows and fill in data for each column
//
for ($j = 0; $j < $num_fields; $j++)
{
if (!isset($row[$j]))
{
//
// If there is no data for the column set it to null.
// There was a problem here with an extra space causing the
// sql file not to reimport if the last column was null in
// any table. Should be fixed now :) JLH
//
$schema_insert .= ' NULL,';
}
elseif ($row[$j] != '')
{
$schema_insert .= ' \'' . addslashes($row[$j]) . '\',';
}
else
{
$schema_insert .= '\'\',';
}
}
//
// Get rid of the the last comma.
//
$schema_insert = preg_replace('#,$#', '', $schema_insert);
$schema_insert .= ');';
//
// Go ahead and send the insert statement to the handler function.
//
$handler(trim($schema_insert));
}
while ($row = $db->sql_fetchrow($result));
}
return true;
}
function output_table_content($content)
{
global $tempfile;
//fwrite($tempfile, $content . "\n");
//$backup_sql .= $content . "\n";
echo $content ."\n";
return;
}
//
// Zip creation class from phpMyAdmin 2.3.0 (c) Tobias Ratschiller, Olivier M�ller, Lo�c Chapeaux, Marc Delisle
// http://www.phpmyadmin.net/
//
// Based on work by Eric Mueller and Denis125
// Official ZIP file format: http://www.pkware.com/appnote.txt
//
class zipfile
{
var $datasec = array();
var $ctrl_dir = array();
var $eof_ctrl_dir = "\x50\x4b\x05\x06\x00\x00\x00\x00";
var $old_offset = 0;
function unix_to_dos_time($unixtime = 0)
{
$timearray = ($unixtime == 0) ? getdate() : getdate($unixtime);
if ($timearray['year'] < 1980)
{
$timearray['year'] = 1980;
$timearray['mon'] = 1;
$timearray['mday'] = 1;
$timearray['hours'] = 0;
$timearray['minutes'] = 0;
$timearray['seconds'] = 0;
}
return (($timearray['year'] - 1980) << 25) | ($timearray['mon'] << 21) | ($timearray['mday'] << 16) |
($timearray['hours'] << 11) | ($timearray['minutes'] << 5) | ($timearray['seconds'] >> 1);
}
function add_file($data, $name, $time = 0)
{
$name = str_replace('\\', '/', $name);
$dtime = dechex($this->unix_to_dos_time($time));
$hexdtime = '\x' . $dtime[6] . $dtime[7]
. '\x' . $dtime[4] . $dtime[5]
. '\x' . $dtime[2] . $dtime[3]
. '\x' . $dtime[0] . $dtime[1];
eval('$hexdtime = "' . $hexdtime . '";');
$fr = "\x50\x4b\x03\x04";
$fr .= "\x14\x00"; // ver needed to extract
$fr .= "\x00\x00"; // gen purpose bit flag
$fr .= "\x08\x00"; // compression method
$fr .= $hexdtime; // last mod time and date
$unc_len = strlen($data);
$crc = crc32($data);
$zdata = gzcompress($data);
$zdata = substr(substr($zdata, 0, strlen($zdata) - 4), 2); // fix crc bug
$c_len = strlen($zdata);
$fr .= pack('V', $crc); // crc32
$fr .= pack('V', $c_len); // compressed filesize
$fr .= pack('V', $unc_len); // uncompressed filesize
$fr .= pack('v', strlen($name)); // length of filename
$fr .= pack('v', 0); // extra field length
$fr .= $name;
// "file data" segment
$fr .= $zdata;
// "data descriptor" segment (optional but necessary if archive is not
// served as file)
$fr .= pack('V', $crc); // crc32
$fr .= pack('V', $c_len); // compressed filesize
$fr .= pack('V', $unc_len); // uncompressed filesize
// add this entry to array
$this -> datasec[] = $fr;
$new_offset = strlen(implode('', $this->datasec));
// now add to central directory record
$cdrec = "\x50\x4b\x01\x02";
$cdrec .= "\x00\x00"; // version made by
$cdrec .= "\x14\x00"; // version needed to extract
$cdrec .= "\x00\x00"; // gen purpose bit flag
$cdrec .= "\x08\x00"; // compression method
$cdrec .= $hexdtime; // last mod time & date
$cdrec .= pack('V', $crc); // crc32
$cdrec .= pack('V', $c_len); // compressed filesize
$cdrec .= pack('V', $unc_len); // uncompressed filesize
$cdrec .= pack('v', strlen($name)); // length of filename
$cdrec .= pack('v', 0); // extra field length
$cdrec .= pack('v', 0); // file comment length
$cdrec .= pack('v', 0); // disk number start
$cdrec .= pack('v', 0); // internal file attributes
$cdrec .= pack('V', 32); // external file attributes - 'archive' bit set
$cdrec .= pack('V', $this -> old_offset); // relative offset of local header
$this -> old_offset = $new_offset;
$cdrec .= $name;
// optional extra field, file comment goes here
// save to central directory
$this -> ctrl_dir[] = $cdrec;
}
function file()
{
$data = implode('', $this -> datasec);
$ctrldir = implode('', $this -> ctrl_dir);
return $data . $ctrldir . $this -> eof_ctrl_dir .
pack('v', sizeof($this -> ctrl_dir)) . // total # of entries "on this disk"
pack('v', sizeof($this -> ctrl_dir)) . // total # of entries overall
pack('V', strlen($ctrldir)) . // size of central dir
pack('V', strlen($data)) . // offset to start of central dir
"\x00\x00"; // .zip file comment length
}
}
//
// End Functions
// -----------------------------------------------
?>