export.php

一个用PHP编写的

        } else {
            header('Pragma: no-cache');
        }
    } else {
        // HTML
        $backup_cfgServer = $cfg['Server'];
        require_once('./libraries/header.inc.php');
        $cfg['Server'] = $backup_cfgServer;
        unset($backup_cfgServer);
        echo "\n" . '<div align="' . $cell_align_left . '">' . "\n";
        //echo '    <pre>' . "\n";
        echo '    <form name="nofunction">' . "\n"
           // remove auto-select for now: there is no way to select
           // only a part of the text; anyway, it should obey
           // $cfg['TextareaAutoSelect']
           //. '        <textarea name="sqldump" cols="50" rows="30" onclick="this.select();" id="textSQLDUMP" wrap="OFF">' . "\n";
           . '        <textarea name="sqldump" cols="50" rows="30" id="textSQLDUMP" wrap="OFF">' . "\n";
    } // end download
}

// Check if we have something to export
if ($export_type == 'database') {
    $tables     = PMA_DBI_get_tables($db);
    $num_tables = count($tables);
    if ($num_tables == 0) {
        $message = $strNoTablesFound;
        $js_to_run = 'functions.js';
        require_once('./libraries/header.inc.php');
        if ($export_type == 'server') {
            $active_page = 'server_export.php';
            require('./server_export.php');
        } elseif ($export_type == 'database') {
            $active_page = 'db_details_export.php';
            require('./db_details_export.php');
        } else {
            $active_page = 'tbl_properties_export.php';
            require('./tbl_properties_export.php');
        }
        exit();
    }
}

// Fake loop just to allow skip of remain of this code by break, I'd really
// need exceptions here :-)
do {

// Add possibly some comments to export
if (!PMA_exportHeader()) {
    break;
}

// Will we need relation & co. setup?
$do_relation = isset($GLOBALS[$what . '_relation']);
$do_comments = isset($GLOBALS[$what . '_comments']);
$do_mime     = isset($GLOBALS[$what . '_mime']);
if ($do_relation || $do_comments || $do_mime) {
    require_once('./libraries/relation.lib.php');
    $cfgRelation = PMA_getRelationsParam();
}
if ($do_mime) {
    require_once('./libraries/transformations.lib.php');
}

// Include dates in export?
$do_dates   = isset($GLOBALS[$what . '_dates']);

/**
 * Builds the dump
 */
// Gets the number of tables if a dump of a database has been required
if ($export_type == 'server') {
    /**
     * Gets the databases list - if it has not been built yet
     */
    if ($server > 0 && empty($dblist)) {
        PMA_availableDatabases();
    }

    if (isset($db_select)) {
        $tmp_select = implode($db_select, '|');
        $tmp_select = '|' . $tmp_select . '|';
    }
    // Walk over databases
    foreach ($dblist AS $current_db) {
        if ((isset($tmp_select) && strpos(' ' . $tmp_select, '|' . $current_db . '|'))
            || !isset($tmp_select)) {
            if (!PMA_exportDBHeader($current_db)) {
                break 2;
            }
            if (!PMA_exportDBCreate($current_db)) {
                break 2;
            }
            $tables = PMA_DBI_get_tables($current_db);
            $views = array();
            foreach ($tables as $table) {
                // if this is a view, collect it for later; views must be exported
                // after the tables
                if (PMA_tableIsView($current_db, $table)) {
                    $views[] = $table;
                    continue;
                }
                $local_query  = 'SELECT * FROM ' . PMA_backquote($current_db) . '.' . PMA_backquote($table);
                if (isset($GLOBALS[$what . '_structure'])) {
                    if (!PMA_exportStructure($current_db, $table, $crlf, $err_url, $do_relation, $do_comments, $do_mime, $do_dates)) {
                        break 3;
                    }
                }
                if (isset($GLOBALS[$what . '_data'])) {
                    if (!PMA_exportData($current_db, $table, $crlf, $err_url, $local_query)) {
                        break 3;
                    }
                }
            }
            foreach($views as $view) {
                // no data export for a view
                if (isset($GLOBALS[$what . '_structure'])) {
                    if (!PMA_exportStructure($current_db, $view, $crlf, $err_url, $do_relation, $do_comments, $do_mime, $do_dates)) {
                        break 3;
                    }
                }
            }
            if (!PMA_exportDBFooter($current_db)) {
                break 2;
            }
        }
    }
} elseif ($export_type == 'database') {
    if (!PMA_exportDBHeader($db)) {
        break;
    }

    if (isset($table_select)) {
        $tmp_select = implode($table_select, '|');
        $tmp_select = '|' . $tmp_select . '|';
    }
    $i = 0;
    $views = array();
    foreach ($tables as $table) {
        // if this is a view, collect it for later; views must be exported after
        // the tables
        if (PMA_tableIsView($db, $table)) {
            $views[] = $table;
            continue;
        }
        $local_query  = 'SELECT * FROM ' . PMA_backquote($db) . '.' . PMA_backquote($table);
        if ((isset($tmp_select) && strpos(' ' . $tmp_select, '|' . $table . '|'))
            || !isset($tmp_select)) {

            if (isset($GLOBALS[$what . '_structure'])) {
                if (!PMA_exportStructure($db, $table, $crlf, $err_url, $do_relation, $do_comments, $do_mime, $do_dates)) {
                    break 2;
                }
            }
            if (isset($GLOBALS[$what . '_data'])) {
                if (!PMA_exportData($db, $table, $crlf, $err_url, $local_query)) {
                    break 2;
                }
            }
        }
    }
    foreach ($views as $view) {
        // no data export for a view
        if (isset($GLOBALS[$what . '_structure'])) {
            if (!PMA_exportStructure($db, $view, $crlf, $err_url, $do_relation, $do_comments, $do_mime, $do_dates)) {
                break 2;
            }
        }
    }
    if (!PMA_exportDBFooter($db)) {
        break;
    }
} else {
    if (!PMA_exportDBHeader($db)) {
        break;
    }
    // We export just one table

    if ($limit_to > 0 && $limit_from >= 0) {
        $add_query  = ' LIMIT '
                    . (($limit_from > 0) ? $limit_from . ', ' : '')
                    . $limit_to;
    } else {
        $add_query  = '';
    }

    if (!empty($sql_query)) {
        // only preg_replace if needed
        if (!empty($add_query)) {
            // remove trailing semicolon before adding a LIMIT
            $sql_query = preg_replace('%;\s*$%', '', $sql_query);
        }
        $local_query = $sql_query . $add_query;
        PMA_DBI_select_db($db);
    } else {
        $local_query  = 'SELECT * FROM ' . PMA_backquote($db) . '.' . PMA_backquote($table) . $add_query;
    }

    if (isset($GLOBALS[$what . '_structure'])) {
        if (!PMA_exportStructure($db, $table, $crlf, $err_url, $do_relation, $do_comments, $do_mime, $do_dates)) {
            break;
        }
    }
    // I think we have to export data for a single view; for example PDF report
    if (isset($GLOBALS[$what . '_data'])) {
        if (!PMA_exportData($db, $table, $crlf, $err_url, $local_query)) {
            break;
        }
    }
    if (!PMA_exportDBFooter($db)) {
        break;
    }
}
if (!PMA_exportFooter()) {
    break;
}

} while (FALSE);
// End of fake loop

if ($save_on_server && isset($message)) {
    $js_to_run = 'functions.js';
    require_once('./libraries/header.inc.php');
    if ($export_type == 'server') {
        $active_page = 'server_export.php';
        require('./server_export.php');
    } elseif ($export_type == 'database') {
        $active_page = 'db_details_export.php';
        require('./db_details_export.php');
    } else {
        $active_page = 'tbl_properties_export.php';
        require('./tbl_properties_export.php');
    }
    exit();
}

/**
 * Send the dump as a file...
 */
if (!empty($asfile)) {
    // Convert the charset if required.
    if ($output_charset_conversion) {
        $dump_buffer = PMA_convert_string($GLOBALS['charset'], $GLOBALS['charset_of_file'], $dump_buffer);
    }

    // Do the compression
    // 1. as a gzipped file
    if (isset($compression) && $compression == 'zip') {
        if (@function_exists('gzcompress')) {
            $zipfile = new zipfile();
            $zipfile -> addFile($dump_buffer, substr($filename, 0, -4));
            $dump_buffer = $zipfile -> file();
        }
    }
    // 2. as a bzipped file
    elseif (isset($compression) && $compression == 'bzip') {
        if (@function_exists('bzcompress')) {
            $dump_buffer = bzcompress($dump_buffer);
            if ($dump_buffer === -8) {
                require_once('./libraries/header.inc.php');
                echo sprintf($strBzError, '<a href="http://bugs.php.net/bug.php?id=17300" target="_blank">17300</a>');
                require_once('./libraries/footer.inc.php');
            }
        }
    }
    // 3. as a gzipped file
    elseif (isset($compression) && $compression == 'gzip') {
        if (@function_exists('gzencode')) {
            // without the optional parameter level because it bug
            $dump_buffer = gzencode($dump_buffer);
        }
    }

    /* If ve saved on server, we have to close file now */
    if ($save_on_server) {
        $write_result = @fwrite($file_handle, $dump_buffer);
        fclose($file_handle);
        if (strlen($dump_buffer) !=0 && (!$write_result || ($write_result != strlen($dump_buffer)))) {
            $message = sprintf($strNoSpace, htmlspecialchars($save_filename));
        } else {
            $message = sprintf($strDumpSaved, htmlspecialchars($save_filename));
        }

        $js_to_run = 'functions.js';
        require_once('./libraries/header.inc.php');
        if ($export_type == 'server') {
            $active_page = 'server_export.php';
            require_once('./server_export.php');
        } elseif ($export_type == 'database') {
            $active_page = 'db_details_export.php';
            require_once('./db_details_export.php');
        } else {
            $active_page = 'tbl_properties_export.php';
            require_once('./tbl_properties_export.php');
        }
        exit();
    } else {
        echo $dump_buffer;
    }
}
/**
 * Displays the dump...
 */
else {
    /**
     * Close the html tags and add the footers in dump is displayed on screen
     */
    //echo '    </pre>' . "\n";
    echo '</textarea>' . "\n"
       . '    </form>' . "\n";
    echo '</div>' . "\n";
    echo "\n";
?>
<script type="text/javascript" language="javascript">
//<![CDATA[
    var bodyWidth=null; var bodyHeight=null;
    if (document.getElementById('textSQLDUMP')) {
        bodyWidth  = self.innerWidth;
        bodyHeight = self.innerHeight;
        if (!bodyWidth && !bodyHeight) {
            if (document.compatMode && document.compatMode == "BackCompat") {
                bodyWidth  = document.body.clientWidth;
                bodyHeight = document.body.clientHeight;
            } else if (document.compatMode && document.compatMode == "CSS1Compat") {
                bodyWidth  = document.documentElement.clientWidth;
                bodyHeight = document.documentElement.clientHeight;
            }
        }
        document.getElementById('textSQLDUMP').style.width=(bodyWidth-50) + 'px';
        document.getElementById('textSQLDUMP').style.height=(bodyHeight-100) + 'px';
    }
//]]>
</script>
<?php
    require_once('./libraries/footer.inc.php');
} // end if
?>