admin_db_utilities.php

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		//
		// Build the SQL statement to recreate the data.
		//
		for($i = 0; $i < $i_num_fields; $i++)
		{
			$strVal = $row[$aryName[$i]];
			if (eregi("char|text|bool", $aryType[$i]))
			{
				$strQuote = "'";
				$strEmpty = "";
				$strVal = addslashes($strVal);
			}
			elseif (eregi("date|timestamp", $aryType[$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],";

		}

		$schema_vals = ereg_replace(",$", "", $schema_vals);
		$schema_vals = ereg_replace("^ ", "", $schema_vals);
		$schema_fields = ereg_replace(",$", "", $schema_fields);
		$schema_fields = ereg_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.
	if (!($result = $db->sql_query("SELECT * FROM $table")))
	{
		message_die(GENERAL_ERROR, "Failed in get_table_content (select *)", "", __LINE__, __FILE__, "SELECT * FROM $table");
	}

	// Loop through the resulting rows and build the sql statement.
	if ($row = $db->sql_fetchrow($result))
	{
		$handler("\n#\n# Table Data for $table\n#\n");
		$field_names = array();

		// Grab the list of field names.
		$num_fields = $db->sql_numfields($result);
		$table_list = '(';
		for ($j = 0; $j < $num_fields; $j++)
		{
			$field_names[$j] = $db->sql_fieldname($j, $result);
			$table_list .= (($j > 0) ? ', ' : '') . $field_names[$j];
			
		}
		$table_list .= ')';

		do
		{
			// 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++)
			{
				$schema_insert .= ($j > 0) ? ', ' : '';

				if(!isset($row[$field_names[$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[$field_names[$j]] != '')
				{
					$schema_insert .= '\'' . addslashes($row[$field_names[$j]]) . '\'';
				}
				else
				{
					$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;
}
//
// End Functions
// -------------


//
// Begin program proper
//
if( isset($HTTP_GET_VARS['perform']) || isset($HTTP_POST_VARS['perform']) )
{
	$perform = (isset($HTTP_POST_VARS['perform'])) ? $HTTP_POST_VARS['perform'] : $HTTP_GET_VARS['perform'];

	switch($perform)
	{
		case 'backup':

			$error = false;
			switch(SQL_LAYER)
			{
				case 'oracle':
					$error = true;
					break;
				case 'db2':
					$error = true;
					break;
				case 'msaccess':
					$error = true;
					break;
				case 'mssql':
				case 'mssql-odbc':
					$error = true;
					break;
			}

			if ($error)
			{
				include('./page_header_admin.'.$phpEx);

				$template->set_filenames(array(
					"body" => "admin/admin_message_body.tpl")
				);

				$template->assign_vars(array(
					"MESSAGE_TITLE" => $lang['Information'],
					"MESSAGE_TEXT" => $lang['Backups_not_supported'])
				);

				$template->pparse("body");

				include('./page_footer_admin.'.$phpEx);
			}

			$tables = array('auth_access', 'banlist', 'categories', 'config', 'disallow', 'forums', 'forum_prune', 'groups', 'posts', 'posts_text', 'privmsgs', 'privmsgs_text', 'ranks', 'search_results', 'search_wordlist', 'search_wordmatch', 'sessions', 'smilies', 'themes', 'themes_name', 'topics', 'topics_watch', 'user_group', 'users', 'vote_desc', 'vote_results', 'vote_voters', 'words');

			$additional_tables = (isset($HTTP_POST_VARS['additional_tables'])) ? $HTTP_POST_VARS['additional_tables'] : ( (isset($HTTP_GET_VARS['additional_tables'])) ? $HTTP_GET_VARS['additional_tables'] : "" );

			$backup_type = (isset($HTTP_POST_VARS['backup_type'])) ? $HTTP_POST_VARS['backup_type'] : ( (isset($HTTP_GET_VARS['backup_type'])) ? $HTTP_GET_VARS['backup_type'] : "" );

			$gzipcompress = (!empty($HTTP_POST_VARS['gzipcompress'])) ? $HTTP_POST_VARS['gzipcompress'] : ( (!empty($HTTP_GET_VARS['gzipcompress'])) ? $HTTP_GET_VARS['gzipcompress'] : 0 );

			if(!empty($additional_tables))
			{
				if(ereg(",", $additional_tables))
				{
					$additional_tables = split(",", $additional_tables);

					for($i = 0; $i < count($additional_tables); $i++)
					{
						$tables[] = trim($additional_tables[$i]);
					}

				}
				else
				{
					$tables[] = trim($additional_tables);
				}
			}

			if( !isset($HTTP_POST_VARS['backupstart']) && !isset($HTTP_GET_VARS['backupstart']))
			{
				include('./page_header_admin.'.$phpEx);

				$template->set_filenames(array(
					"body" => "admin/db_utils_backup_body.tpl")
				);	
				$s_hidden_fields = "<input type=\"hidden\" name=\"perform\" value=\"backup\" /><input type=\"hidden\" name=\"drop\" value=\"1\" /><input type=\"hidden\" name=\"perform\" value=\"$perform\" />";

				$template->assign_vars(array(
					"L_DATABASE_BACKUP" => $lang['Database_Utilities'] . " : " . $lang['Backup'],
					"L_BACKUP_EXPLAIN" => $lang['Backup_explain'],
					"L_FULL_BACKUP" => $lang['Full_backup'],
					"L_STRUCTURE_BACKUP" => $lang['Structure_backup'],
					"L_DATA_BACKUP" => $lang['Data_backup'],
					"L_ADDITIONAL_TABLES" => $lang['Additional_tables'],
					"L_START_BACKUP" => $lang['Start_backup'],
					"L_BACKUP_OPTIONS" => $lang['Backup_options'],
					"L_GZIP_COMPRESS" => $lang['Gzip_compress'],
					"L_NO" => $lang['No'],
					"L_YES" => $lang['Yes'],

					"S_HIDDEN_FIELDS" => $s_hidden_fields,
					"S_DBUTILS_ACTION" => append_sid("admin_db_utilities.$phpEx"))
				);
				$template->pparse("body");

				break;

			}
			else if( !isset($HTTP_POST_VARS['startdownload']) && !isset($HTTP_GET_VARS['startdownload']) )
			{
				if(is_array($additional_tables))
				{
					$additional_tables = implode(',', $additional_tables);
				}
				$template->set_filenames(array(
					"body" => "admin/admin_message_body.tpl")
				);

				$template->assign_vars(array(
					"META" => '<meta http-equiv="refresh" content="2;url=' . append_sid("admin_db_utilities.$phpEx?perform=backup&additional_tables=" . quotemeta($additional_tables) . "&backup_type=$backup_type&drop=1&amp;backupstart=1&gzipcompress=$gzipcompress&startdownload=1") . '">',

					"MESSAGE_TITLE" => $lang['Database_Utilities'] . " : " . $lang['Backup'],
					"MESSAGE_TEXT" => $lang['Backup_download'])
				);

				include('./page_header_admin.'.$phpEx);

				$template->pparse("body");

				include('./page_footer_admin.'.$phpEx);

			}
			header("Pragma: no-cache");
			$do_gzip_compress = FALSE;
			if( $gzipcompress )
			{
				$phpver = phpversion();

				if($phpver >= "4.0")
				{
					if(extension_loaded("zlib"))
					{
						$do_gzip_compress = TRUE;
					}
				}
			}
			if($do_gzip_compress)
			{
				@ob_start();
				@ob_implicit_flush(0);
				header("Content-Type: application/x-gzip; name=\"phpbb_db_backup.sql.gz\"");
				header("Content-disposition: attachment; filename=phpbb_db_backup.sql.gz");
			}
			else
			{
				header("Content-Type: text/x-delimtext; name=\"phpbb_db_backup.sql\"");
				header("Content-disposition: attachment; filename=phpbb_db_backup.sql");
			}

			//
			// 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];

				switch (SQL_LAYER)
				{
					case 'postgresql':
						$table_def_function = "get_table_def_postgresql";
						$table_content_function = "get_table_content_postgresql";
						break;

					case 'mysql':
					case 'mysql4':
						$table_def_function = "get_table_def_mysql";
						$table_content_function = "get_table_content_mysql";
						break;
				}

				if($backup_type != 'data')
				{
					echo "#\n# TABLE: " . $table_prefix . $table_name . "\n#\n";
					echo $table_def_function($table_prefix . $table_name, "\n") . "\n";
				}

				if($backup_type != 'structure')
				{
					$table_content_function($table_prefix . $table_name, "output_table_content");
				}
			}
			
			if($do_gzip_compress)
			{
				$Size = ob_get_length();
				$Crc = crc32(ob_get_contents());
				$contents = gzcompress(ob_get_contents());
				ob_end_clean();
				echo "\x1f\x8b\x08\x00\x00\x00\x00\x00".substr($contents, 0, strlen($contents) - 4).gzip_PrintFourChars($Crc).gzip_PrintFourChars($Size);
			}
			exit;

			break;

		case 'restore':
			if(!isset($restore_start))
			{
				//
				// Define Template files...
				//
				include('./page_header_admin.'.$phpEx);

				$template->set_filenames(array(
					"body" => "admin/db_utils_restore_body.tpl")
				);

				$s_hidden_fields = "<input type=\"hidden\" name=\"perform\" value=\"restore\" /><input type=\"hidden\" name=\"perform\" value=\"$perform\" />";

				$template->assign_vars(array(
					"L_DATABASE_RESTORE" => $lang['Database_Utilities'] . " : " . $lang['Restore'],
					"L_RESTORE_EXPLAIN" => $lang['Restore_explain'],
					"L_SELECT_FILE" => $lang['Select_file'],
					"L_START_RESTORE" => $lang['Start_Restore'],

					"S_DBUTILS_ACTION" => append_sid("admin_db_utilities.$phpEx"),
					"S_HIDDEN_FIELDS" => $s_hidden_fields)
				);
				$template->pparse("body");

				break;

			}
			else
			{
				//
				// Handle the file upload ....
				// If no file was uploaded report an error...
				//
				$backup_file_name = (!empty($HTTP_POST_FILES['backup_file']['name'])) ? $HTTP_POST_FILES['backup_file']['name'] : "";
				$backup_file_tmpname = ($HTTP_POST_FILES['backup_file']['tmp_name'] != "none") ? $HTTP_POST_FILES['backup_file']['tmp_name'] : "";
				$backup_file_type = (!empty($HTTP_POST_FILES['backup_file']['type'])) ? $HTTP_POST_FILES['backup_file']['type'] : "";

				if($backup_file_tmpname == "" || $backup_file_name == "")
				{
					message_die(GENERAL_MESSAGE, $lang['Restore_Error_no_file']);
				}
				//
				// If I file was actually uploaded, check to make sure that we
				// are actually passed the name of an uploaded file, and not
				// a hackers attempt at getting us to process a local system
				// file.
				//
				if( file_exists(phpbb_realpath($backup_file_tmpname)) )
				{
					if( preg_match("/^(text\/[a-zA-Z]+)|(application\/(x\-)?gzip(\-compressed)?)|(application\/octet-stream)$/is", $backup_file_type) )
					{
						if( preg_match("/\.gz$/is",$backup_file_name) )
						{
							$do_gzip_compress = FALSE;
							$phpver = phpversion();
							if($phpver >= "4.0")
							{
								if(extension_loaded("zlib"))
								{
									$do_gzip_compress = TRUE;
								}
							}

							if($do_gzip_compress)
							{
								$gz_ptr = gzopen($backup_file_tmpname, 'rb');
								$sql_query = "";
								while( !gzeof($gz_ptr) )
								{
									$sql_query .= gzgets($gz_ptr, 100000);
								}
							}
							else
							{
								message_die(GENERAL_ERROR, $lang['Restore_Error_decompress']);
							}
						}
						else
						{
							$sql_query = fread(fopen($backup_file_tmpname, 'r'), filesize($backup_file_tmpname));
						}
						//
						// Comment this line out to see if this fixes the stuff...
						//
						//$sql_query = stripslashes($sql_query);
					}
					else
					{
						message_die(GENERAL_ERROR, $lang['Restore_Error_filename'] ." $backup_file_type $backup_file_name");
					}
				}
				else
				{
					message_die(GENERAL_ERROR, $lang['Restore_Error_uploading']);
				}

				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) and $sql[0] != "#")
						{
							if(VERBOSE == 1)
							{
								echo "Executing: $sql\n<br>";
								flush();
							}

							$result = $db->sql_query($sql);

							if(!$result && ( !(SQL_LAYER == 'postgresql' && eregi("drop table", $sql) ) ) )
							{
								message_die(GENERAL_ERROR, "Error importing backup file", "", __LINE__, __FILE__, $sql);
							}
						}
					}
				}

				include('./page_header_admin.'.$phpEx);

				$template->set_filenames(array(
					"body" => "admin/admin_message_body.tpl")
				);

				$message = $lang['Restore_success'];

				$template->assign_vars(array(
					"MESSAGE_TITLE" => $lang['Database_Utilities'] . " : " . $lang['Restore'],
					"MESSAGE_TEXT" => $message)
				);

				$template->pparse("body");
				break;
			}
			break;
	}
}

include('./page_footer_admin.'.$phpEx);

?>

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