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<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
* Core script for import, this is just the glue around all other stuff
*
* @package PhpMyAdmin
*/
/**
* Get the variables sent or posted to this script and a core script
*/
require_once 'libraries/common.inc.php';
//require_once 'libraries/display_import_functions.lib.php';
if (isset($_REQUEST['show_as_php'])) {
$GLOBALS['show_as_php'] = $_REQUEST['show_as_php'];
}
/**
* Sets globals from $_POST
*/
$post_params = array(
'action_bookmark',
'allow_interrupt',
'bkm_label',
'bookmark_variable',
'charset_of_file',
'format',
'id_bookmark',
'import_type',
'is_js_confirmed',
'MAX_FILE_SIZE',
'message_to_show',
'noplugin',
'skip_queries',
'local_import_file'
);
foreach ($post_params as $one_post_param) {
if (isset($_POST[$one_post_param])) {
$GLOBALS[$one_post_param] = $_POST[$one_post_param];
}
}
// reset import messages for ajax request
$_SESSION['Import_message']['message'] = null;
$_SESSION['Import_message']['go_back_url'] = null;
// default values
$GLOBALS['reload'] = false;
// Use to identify curren cycle is executing
// a multiquery statement or stored routine
if (!isset($_SESSION['is_multi_query'])) {
$_SESSION['is_multi_query'] = false;
}
// Are we just executing plain query or sql file?
// (eg. non import, but query box/window run)
if (! empty($sql_query)) {
// run SQL query
$import_text = $sql_query;
$import_type = 'query';
$format = 'sql';
// refresh navigation and main panels
if (preg_match('/^(DROP)\s+(VIEW|TABLE|DATABASE|SCHEMA)\s+/i', $sql_query)) {
$GLOBALS['reload'] = true;
}
// refresh navigation panel only
if (preg_match('/^(CREATE|ALTER)\s+(VIEW|TABLE|DATABASE|SCHEMA)\s+/i', $sql_query)) {
$ajax_reload['reload'] = true;
}
// do a dynamic reload if table is RENAMED
// (by sending the instruction to the AJAX response handler)
if (preg_match('/^RENAME\s+TABLE\s+(.*?)\s+TO\s+(.*?)($|;|\s)/i', $sql_query, $rename_table_names)) {
$ajax_reload['table_name'] = PMA_Util::unQuote($rename_table_names[2]);
$ajax_reload['reload'] = true;
}
$sql_query = '';
} elseif (! empty($sql_localfile)) {
// run SQL file on server
$local_import_file = $sql_localfile;
$import_type = 'queryfile';
$format = 'sql';
unset($sql_localfile);
} elseif (! empty($sql_file)) {
// run uploaded SQL file
$import_file = $sql_file;
$import_type = 'queryfile';
$format = 'sql';
unset($sql_file);
} elseif (! empty($id_bookmark)) {
// run bookmark
$import_type = 'query';
$format = 'sql';
}
// If we didn't get any parameters, either user called this directly, or
// upload limit has been reached, let's assume the second possibility.
;
if ($_POST == array() && $_GET == array()) {
$message = PMA_Message::error(
__('You probably tried to upload a file that is too large. Please refer to %sdocumentation%s for a workaround for this limit.')
);
$message->addParam('[doc@faq1-16]');
$message->addParam('[/doc]');
// so we can obtain the message
$_SESSION['Import_message']['message'] = $message->getDisplay();
$_SESSION['Import_message']['go_back_url'] = $goto;
$message->display();
exit; // the footer is displayed automatically
}
/**
* Sets globals from $_POST patterns, for import plugins
* We only need to load the selected plugin
*/
$post_patterns = array(
'/^force_file_/',
'/^'. $format . '_/'
);
foreach (array_keys($_POST) as $post_key) {
foreach ($post_patterns as $one_post_pattern) {
if (preg_match($one_post_pattern, $post_key)) {
$GLOBALS[$post_key] = $_POST[$post_key];
}
}
}
// Check needed parameters
PMA_Util::checkParameters(array('import_type', 'format'));
// We don't want anything special in format
$format = PMA_securePath($format);
// Import functions
require_once 'libraries/import.lib.php';
// Create error and goto url
if ($import_type == 'table') {
$err_url = 'tbl_import.php?' . PMA_generate_common_url($db, $table);
$_SESSION['Import_message']['go_back_url'] = $err_url;
$goto = 'tbl_import.php';
} elseif ($import_type == 'database') {
$err_url = 'db_import.php?' . PMA_generate_common_url($db);
$_SESSION['Import_message']['go_back_url'] = $err_url;
$goto = 'db_import.php';
} elseif ($import_type == 'server') {
$err_url = 'server_import.php?' . PMA_generate_common_url();
$_SESSION['Import_message']['go_back_url'] = $err_url;
$goto = 'server_import.php';
} else {
if (empty($goto) || !preg_match('@^(server|db|tbl)(_[a-z]*)*\.php$@i', $goto)) {
if (strlen($table) && strlen($db)) {
$goto = 'tbl_structure.php';
} elseif (strlen($db)) {
$goto = 'db_structure.php';
} else {
$goto = 'server_sql.php';
}
}
if (strlen($table) && strlen($db)) {
$common = PMA_generate_common_url($db, $table);
} elseif (strlen($db)) {
$common = PMA_generate_common_url($db);
} else {
$common = PMA_generate_common_url();
}
$err_url = $goto . '?' . $common
. (preg_match('@^tbl_[a-z]*\.php$@', $goto)
? '&table=' . htmlspecialchars($table)
: '');
$_SESSION['Import_message']['go_back_url'] = $err_url;
}
if (strlen($db)) {
PMA_DBI_select_db($db);
}
@set_time_limit($cfg['ExecTimeLimit']);
if (! empty($cfg['MemoryLimit'])) {
@ini_set('memory_limit', $cfg['MemoryLimit']);
}
$timestamp = time();
if (isset($allow_interrupt)) {
$maximum_time = ini_get('max_execution_time');
} else {
$maximum_time = 0;
}
// set default values
$timeout_passed = false;
$error = false;
$read_multiply = 1;
$finished = false;
$offset = 0;
$max_sql_len = 0;
$file_to_unlink = '';
$sql_query = '';
$sql_query_disabled = false;
$go_sql = false;
$executed_queries = 0;
$run_query = true;
$charset_conversion = false;
$reset_charset = false;
$bookmark_created = false;
// Bookmark Support: get a query back from bookmark if required
if (! empty($id_bookmark)) {
$id_bookmark = (int)$id_bookmark;
include_once 'libraries/bookmark.lib.php';
switch ($action_bookmark) {
case 0: // bookmarked query that have to be run
$import_text = PMA_Bookmark_get(
$db,
$id_bookmark,
'id',
isset($action_bookmark_all)
);
if (isset($bookmark_variable) && ! empty($bookmark_variable)) {
$import_text = preg_replace(
'|/\*(.*)\[VARIABLE\](.*)\*/|imsU',
'${1}' . PMA_Util::sqlAddSlashes($bookmark_variable) . '${2}',
$import_text
);
}
// refresh navigation and main panels
if (preg_match('/^(DROP)\s+(VIEW|TABLE|DATABASE|SCHEMA)\s+/i', $import_text)) {
$GLOBALS['reload'] = true;
}
// refresh navigation panel only
if (preg_match('/^(CREATE|ALTER)\s+(VIEW|TABLE|DATABASE|SCHEMA)\s+/i', $import_text)) {
$ajax_reload['reload'] = true;
}
break;
case 1: // bookmarked query that have to be displayed
$import_text = PMA_Bookmark_get($db, $id_bookmark);
if ($GLOBALS['is_ajax_request'] == true) {
$message = PMA_Message::success(__('Showing bookmark'));
$response = PMA_Response::getInstance();
$response->isSuccess($message->isSuccess());
$response->addJSON('message', $message);
$response->addJSON('sql_query', $import_text);
$response->addJSON('action_bookmark', $action_bookmark);
exit;
} else {
$run_query = false;
}
break;
case 2: // bookmarked query that have to be deleted
$import_text = PMA_Bookmark_get($db, $id_bookmark);
PMA_Bookmark_delete($db, $id_bookmark);
if ($GLOBALS['is_ajax_request'] == true) {
$message = PMA_Message::success(__('The bookmark has been deleted.'));
$response = PMA_Response::getInstance();
$response->isSuccess($message->isSuccess());
$response->addJSON('message', $message);
$response->addJSON('action_bookmark', $action_bookmark);
$response->addJSON('id_bookmark', $id_bookmark);
exit;
} else {
$run_query = false;
$error = true; // this is kind of hack to skip processing the query
}
break;
}
} // end bookmarks reading
// Do no run query if we show PHP code
if (isset($GLOBALS['show_as_php'])) {
$run_query = false;
$go_sql = true;
}
// We can not read all at once, otherwise we can run out of memory
$memory_limit = trim(@ini_get('memory_limit'));
// 2 MB as default
if (empty($memory_limit)) {
$memory_limit = 2 * 1024 * 1024;
}
// In case no memory limit we work on 10MB chunks
if ($memory_limit == -1) {
$memory_limit = 10 * 1024 * 1024;
}
// Calculate value of the limit
if (strtolower(substr($memory_limit, -1)) == 'm') {
$memory_limit = (int)substr($memory_limit, 0, -1) * 1024 * 1024;
} elseif (strtolower(substr($memory_limit, -1)) == 'k') {
$memory_limit = (int)substr($memory_limit, 0, -1) * 1024;
} elseif (strtolower(substr($memory_limit, -1)) == 'g') {
$memory_limit = (int)substr($memory_limit, 0, -1) * 1024 * 1024 * 1024;
} else {
$memory_limit = (int)$memory_limit;
}
// Just to be sure, there might be lot of memory needed for uncompression
$read_limit = $memory_limit / 8;
// handle filenames
if (isset($_FILES['import_file'])) {
$import_file = $_FILES['import_file']['tmp_name'];
}
if (! empty($local_import_file) && ! empty($cfg['UploadDir'])) {
// sanitize $local_import_file as it comes from a POST
$local_import_file = PMA_securePath($local_import_file);
$import_file = PMA_Util::userDir($cfg['UploadDir'])
. $local_import_file;
} elseif (empty($import_file) || ! is_uploaded_file($import_file)) {
$import_file = 'none';
}
// Do we have file to import?
if ($import_file != 'none' && ! $error) {
// work around open_basedir and other limitations
$open_basedir = @ini_get('open_basedir');
// If we are on a server with open_basedir, we must move the file
// before opening it. The doc explains how to create the "./tmp"
// directory
if (! empty($open_basedir)) {
$tmp_subdir = (PMA_IS_WINDOWS ? '.\\tmp\\' : 'tmp/');
if (is_writable($tmp_subdir)) {
$import_file_new = $tmp_subdir . basename($import_file) . uniqid();
if (move_uploaded_file($import_file, $import_file_new)) {
$import_file = $import_file_new;
$file_to_unlink = $import_file_new;
}
$size = filesize($import_file);
}
}
/**
* Handle file compression
* @todo duplicate code exists in File.class.php
*/
$compression = PMA_detectCompression($import_file);
if ($compression === false) {
$message = PMA_Message::error(__('File could not be read'));
$error = true;
} else {
switch ($compression) {
case 'application/bzip2':
if ($cfg['BZipDump'] && @function_exists('bzopen')) {
$import_handle = @bzopen($import_file, 'r');
} else {
$message = PMA_Message::error(
__('You attempted to load file with unsupported compression (%s). Either support for it is not implemented or disabled by your configuration.')
);
$message->addParam($compression);
$error = true;
}
break;
case 'application/gzip':
if ($cfg['GZipDump'] && @function_exists('gzopen')) {
$import_handle = @gzopen($import_file, 'r');
} else {
$message = PMA_Message::error(
__('You attempted to load file with unsupported compression (%s). Either support for it is not implemented or disabled by your configuration.')
);
$message->addParam($compression);
$error = true;
}
break;
case 'application/zip':
if ($cfg['ZipDump'] && @function_exists('zip_open')) {
/**
* Load interface for zip extension.
*/
include_once 'libraries/zip_extension.lib.php';
$result = PMA_getZipContents($import_file);
if (! empty($result['error'])) {
$message = PMA_Message::rawError($result['error']);
$error = true;
} else {
$import_text = $result['data'];
}
} else {
$message = PMA_Message::error(
__('You attempted to load file with unsupported compression (%s). Either support for it is not implemented or disabled by your configuration.')
);
$message->addParam($compression);
$error = true;
}
break;
case 'none':
$import_handle = @fopen($import_file, 'r');
break;
default:
$message = PMA_Message::error(
__('You attempted to load file with unsupported compression (%s). Either support for it is not implemented or disabled by your configuration.')
);
$message->addParam($compression);
$error = true;
break;
}
}
// use isset() because zip compression type does not use a handle
if (! $error && isset($import_handle) && $import_handle === false) {
$message = PMA_Message::error(__('File could not be read'));
$error = true;
}
} elseif (! $error) {
if (! isset($import_text) || empty($import_text)) {
$message = PMA_Message::error(
__('No data was received to import. Either no file name was submitted, or the file size exceeded the maximum size permitted by your PHP configuration. See [doc@faq1-16]FAQ 1.16[/doc].')
);
$error = true;
}
}
// so we can obtain the message
//$_SESSION['Import_message'] = $message->getDisplay();
// Convert the file's charset if necessary
if ($GLOBALS['PMA_recoding_engine'] != PMA_CHARSET_NONE && isset($charset_of_file)) {
if ($charset_of_file != 'utf-8') {
$charset_conversion = true;
}
} elseif (isset($charset_of_file) && $charset_of_file != 'utf8') {
if (PMA_DRIZZLE) {
// Drizzle doesn't support other character sets,
// so we can't fallback to SET NAMES - throw an error
$error = true;
$message = PMA_Message::error(
__('Cannot convert file\'s character set without character set conversion library')
);
} else {
PMA_DBI_query('SET NAMES \'' . $charset_of_file . '\'');
// We can not show query in this case, it is in different charset
$sql_query_disabled = true;
$reset_charset = true;
}
}
// Something to skip?
if (! $error && isset($skip)) {
$original_skip = $skip;
while ($skip > 0) {
PMA_importGetNextChunk($skip < $read_limit ? $skip : $read_limit);
// Disable read progresivity, otherwise we eat all memory!
$read_multiply = 1;
$skip -= $read_limit;
}
unset($skip);
}
// This array contain the data like numberof valid sql queries in the statement
// and complete valid sql statement (which affected for rows)
$sql_data = array('valid_sql' => array(), 'valid_queries' => 0);
if (! $error) {
// Check for file existance
include_once "libraries/plugin_interface.lib.php";
$import_plugin = PMA_getPlugin(
"import",
$format,
'libraries/plugins/import/',
$import_type
);
if ($import_plugin == null) {
$error = true;
$message = PMA_Message::error(
__('Could not load import plugins, please check your installation!')
);
} else {
// Do the real import
$import_plugin->doImport($sql_data);
}
}
if (! $error && false !== $import_handle && null !== $import_handle) {
fclose($import_handle);
}
// Cleanup temporary file
if ($file_to_unlink != '') {
unlink($file_to_unlink);
}
// Reset charset back, if we did some changes
if ($reset_charset) {
PMA_DBI_query('SET CHARACTER SET utf8');
PMA_DBI_query(
'SET SESSION collation_connection =\'' . $collation_connection . '\''
);
}
// Show correct message
if (! empty($id_bookmark) && $action_bookmark == 2) {
$message = PMA_Message::success(__('The bookmark has been deleted.'));
$display_query = $import_text;
$error = false; // unset error marker, it was used just to skip processing
} elseif (! empty($id_bookmark) && $action_bookmark == 1) {
$message = PMA_Message::notice(__('Showing bookmark'));
} elseif ($bookmark_created) {
$special_message = '[br]' . sprintf(
__('Bookmark %s created'),
htmlspecialchars($bkm_label)
);
} elseif ($finished && ! $error) {
if ($import_type == 'query') {
$message = PMA_Message::success();
} else {
if ($import_notice) {
$message = PMA_Message::success(
'<em>' . __('Import has been successfully finished, %d queries executed.') . '</em>'
);
$message->addParam($executed_queries);
$message->addString($import_notice);
if (isset($local_import_file)) {
$message->addString('(' . $local_import_file . ')');
} else {
$message->addString('(' . $_FILES['import_file']['name'] . ')');
}
} else {
$message = PMA_Message::success(
__('Import has been successfully finished, %d queries executed.')
);
$message->addParam($executed_queries);
if (isset($local_import_file)) {
$message->addString('(' . $local_import_file . ')');
} else {
$message->addString('(' . $_FILES['import_file']['name'] . ')');
}
}
}
}
// Did we hit timeout? Tell it user.
if ($timeout_passed) {
$message = PMA_Message::error(
__('Script timeout passed, if you want to finish import, please resubmit same file and import will resume.')
);
if ($offset == 0 || (isset($original_skip) && $original_skip == $offset)) {
$message->addString(
__('However on last run no data has been parsed, this usually means phpMyAdmin won\'t be able to finish this import unless you increase php time limits.')
);
}
}
// if there is any message, copy it into $_SESSION as well,
// so we can obtain it by AJAX call
if (isset($message)) {
$_SESSION['Import_message']['message'] = $message->getDisplay();
}
// Parse and analyze the query, for correct db and table name
// in case of a query typed in the query window
// (but if the query is too large, in case of an imported file, the parser
// can choke on it so avoid parsing)
if (strlen($sql_query) <= $GLOBALS['cfg']['MaxCharactersInDisplayedSQL']) {
include_once 'libraries/parse_analyze.lib.php';
}
// There was an error?
if (isset($my_die)) {
foreach ($my_die as $key => $die) {
PMA_Util::mysqlDie(
$die['error'], $die['sql'], '', $err_url, $error
);
}
}
// we want to see the results of the last query that returned at least a row
if (! empty($last_query_with_results)) {
// but we want to show intermediate results too
$disp_query = $sql_query;
$disp_message = __('Your SQL query has been executed successfully');
$sql_query = $last_query_with_results;
$go_sql = true;
}
if ($go_sql) {
include 'sql.php';
} else {
$active_page = $goto;
include '' . $goto;
}
?>
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