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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/sql.lib.php';
require_once 'libraries/bookmark.lib.php';
require_once 'libraries/Console.class.php';
//require_once 'libraries/display_import_functions.lib.php';
if (isset($_REQUEST['show_as_php'])) {
$GLOBALS['show_as_php'] = $_REQUEST['show_as_php'];
}
// Import functions.
require_once 'libraries/import.lib.php';
// If there is a request to 'Simulate DML'.
if (isset($_REQUEST['simulate_dml'])) {
PMA_handleSimulateDMLRequest();
exit;
}
// If it's a refresh console bookmarks request
if (isset($_REQUEST['console_bookmark_refresh'])) {
$response = PMA_Response::getInstance();
$response->addJSON(
'console_message_bookmark', PMA_Console::getBookmarkContent()
);
exit;
}
// If it's a console bookmark add request
if (isset($_REQUEST['console_bookmark_add'])) {
$response = PMA_Response::getInstance();
if (isset($_REQUEST['label']) && isset($_REQUEST['db'])
&& isset($_REQUEST['bookmark_query']) && isset($_REQUEST['shared'])
) {
$cfgBookmark = PMA_Bookmark_getParams();
$bookmarkFields = array(
'bkm_database' => $_REQUEST['db'],
'bkm_user' => $cfgBookmark['user'],
'bkm_sql_query' => urlencode($_REQUEST['bookmark_query']),
'bkm_label' => $_REQUEST['label']
);
$isShared = ($_REQUEST['shared'] == 'true' ? true : false);
if (PMA_Bookmark_save($bookmarkFields, $isShared)) {
$response->addJSON('message', __('Succeeded'));
$response->addJSON('data', $bookmarkFields);
$response->addJSON('isShared', $isShared);
} else {
$response->addJSON('message', __('Failed'));
}
die();
} else {
$response->addJSON('message', __('Incomplete params'));
die();
}
}
/**
* Sets globals from $_POST
*/
$post_params = array(
'charset_of_file',
'format',
'import_type',
'is_js_confirmed',
'MAX_FILE_SIZE',
'message_to_show',
'noplugin',
'skip_queries',
'local_import_file'
);
// TODO: adapt full list of allowed parameters, as in export.php
foreach ($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
$GLOBALS['reload'] = false;
// Use to identify current cycle is executing
// a multiquery statement or stored routine
if (!isset($_SESSION['is_multi_query'])) {
$_SESSION['is_multi_query'] = false;
}
$ajax_reload = array();
// Are we just executing plain query or sql file?
// (eg. non import, but query box/window run)
if (! empty($sql_query)) {
// apply values for parameters
if (! empty($_REQUEST['parameterized'])) {
$parameters = $_REQUEST['parameters'];
foreach ($parameters as $parameter => $replacement) {
$quoted = preg_quote($parameter);
// making sure that :param does not apply values to :param1
$sql_query = preg_replace(
'/' . $quoted . '([^a-zA-Z0-9_])/',
PMA_Util::sqlAddSlashes($replacement) . '${1}',
$sql_query
);
// for parameters the appear at the end of the string
$sql_query = preg_replace(
'/' . $quoted . '$/',
PMA_Util::sqlAddSlashes($replacement),
$sql_query
);
}
}
// run SQL query
$import_text = $sql_query;
$import_type = 'query';
$format = 'sql';
$_SESSION['sql_from_query_box'] = true;
// If there is a request to ROLLBACK when finished.
if (isset($_REQUEST['rollback_query'])) {
PMA_handleRollbackRequest($import_text);
}
// refresh navigation and main panels
if (preg_match('/^(DROP)\s+(VIEW|TABLE|DATABASE|SCHEMA)\s+/i', $sql_query)) {
$GLOBALS['reload'] = true;
$ajax_reload['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['reload'] = true;
$ajax_reload['table_name'] = PMA_Util::unQuote($rename_table_names[2]);
}
$sql_query = '';
} elseif (! empty($sql_file)) {
// run uploaded SQL file
$import_file = $sql_file;
$import_type = 'queryfile';
$format = 'sql';
unset($sql_file);
} elseif (! empty($_REQUEST['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'] = $GLOBALS['goto'];
$message->display();
exit; // the footer is displayed automatically
}
// Add console message id to response output
if (isset($_POST['console_message_id'])) {
$response = PMA_Response::getInstance();
$response->addJSON('console_message_id', $_POST['console_message_id']);
}
/**
* Sets globals from $_POST patterns, for import plugins
* We only need to load the selected plugin
*/
if (! in_array(
$format,
array(
'csv',
'ldi',
'mediawiki',
'ods',
'shp',
'sql',
'xml'
)
)
) {
// this should not happen for a normal user
// but only during an attack
PMA_fatalError('Incorrect format parameter');
}
$post_patterns = array(
'/^force_file_/',
'/^' . $format . '_/'
);
PMA_setPostAsGlobal($post_patterns);
// Check needed parameters
PMA_Util::checkParameters(array('import_type', 'format'));
// We don't want anything special in format
$format = PMA_securePath($format);
/** @var PMA_String $pmaString */
$pmaString = $GLOBALS['PMA_String'];
// Create error and goto url
if ($import_type == 'table') {
$err_url = 'tbl_import.php' . PMA_URL_getCommon(
array(
'db' => $db, 'table' => $table
)
);
$_SESSION['Import_message']['go_back_url'] = $err_url;
$goto = 'tbl_import.php';
} elseif ($import_type == 'database') {
$err_url = 'db_import.php' . PMA_URL_getCommon(array('db' => $db));
$_SESSION['Import_message']['go_back_url'] = $err_url;
$goto = 'db_import.php';
} elseif ($import_type == 'server') {
$err_url = 'server_import.php' . PMA_URL_getCommon();
$_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', $goto)) {
if (/*overload*/mb_strlen($table) && /*overload*/mb_strlen($db)) {
$goto = 'tbl_structure.php';
} elseif (/*overload*/mb_strlen($db)) {
$goto = 'db_structure.php';
} else {
$goto = 'server_sql.php';
}
}
if (/*overload*/mb_strlen($table) && /*overload*/mb_strlen($db)) {
$common = PMA_URL_getCommon(array('db' => $db, 'table' => $table));
} elseif (/*overload*/mb_strlen($db)) {
$common = PMA_URL_getCommon(array('db' => $db));
} else {
$common = PMA_URL_getCommon();
}
$err_url = $goto . $common
. (preg_match('@^tbl_[a-z]*\.php$@', $goto)
? '&table=' . htmlspecialchars($table)
: '');
$_SESSION['Import_message']['go_back_url'] = $err_url;
}
// Avoid setting selflink to 'import.php'
// problem similar to bug 4276
if (basename($_SERVER['SCRIPT_NAME']) === 'import.php') {
$_SERVER['SCRIPT_NAME'] = $goto;
}
if (/*overload*/mb_strlen($db)) {
$GLOBALS['dbi']->selectDb($db);
}
@set_time_limit($cfg['ExecTimeLimit']);
if (! empty($cfg['MemoryLimit'])) {
@ini_set('memory_limit', $cfg['MemoryLimit']);
}
$timestamp = time();
if (isset($_REQUEST['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;
$bookmark_created = false;
// Bookmark Support: get a query back from bookmark if required
if (! empty($_REQUEST['id_bookmark'])) {
$id_bookmark = (int)$_REQUEST['id_bookmark'];
include_once 'libraries/bookmark.lib.php';
switch ($_REQUEST['action_bookmark']) {
case 0: // bookmarked query that have to be run
$import_text = PMA_Bookmark_get(
$db,
$id_bookmark,
'id',
isset($_REQUEST['action_bookmark_all'])
);
if (! empty($_REQUEST['bookmark_variable'])) {
$import_text = PMA_Bookmark_applyVariables(
$import_text
);
}
// refresh navigation and main panels
if (preg_match(
'/^(DROP)\s+(VIEW|TABLE|DATABASE|SCHEMA)\s+/i',
$import_text
)) {
$GLOBALS['reload'] = true;
$ajax_reload['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', $_REQUEST['action_bookmark']);
exit;
} else {
$run_query = false;
}
break;
case 2: // bookmarked query that have to be deleted
$import_text = PMA_Bookmark_get($db, $id_bookmark);
PMA_Bookmark_delete($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', $_REQUEST['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
$memoryUnit = /*overload*/mb_strtolower(substr($memory_limit, -1));
if ('m' == $memoryUnit) {
$memory_limit = (int)substr($memory_limit, 0, -1) * 1024 * 1024;
} elseif ('k' == $memoryUnit) {
$memory_limit = (int)substr($memory_limit, 0, -1) * 1024;
} elseif ('g' == $memoryUnit) {
$memory_limit = (int)substr($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
$open_basedir = @ini_get('open_basedir');
// If we are on a server with open_basedir, we must move the file
// before opening it.
if (! empty($open_basedir)) {
$tmp_subdir = ini_get('upload_tmp_dir');
if (empty($tmp_subdir)) {
$tmp_subdir = sys_get_temp_dir();
}
$tmp_subdir = rtrim($tmp_subdir, DIRECTORY_SEPARATOR);
if (is_writable($tmp_subdir)) {
$import_file_new = $tmp_subdir . DIRECTORY_SEPARATOR
. basename($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);
} else {
// If the php.ini is misconfigured (eg. there is no /tmp access defined
// with open_basedir), $tmp_subdir won't be writable and the user gets
// a 'File could not be read!' error (at PMA_detectCompression), which
// is not too meaningful. Show a meaningful error message to the user
// instead.
$message = PMA_Message::error(
__(
'Uploaded file cannot be moved, because the server has ' .
'open_basedir enabled without access to the %s directory ' .
'(for temporary files).'
)
);
$message->addParam($tmp_subdir);
PMA_stopImport($message);
}
}
/**
* Handle file compression
* @todo duplicate code exists in File.class.php
*/
$compression = PMA_detectCompression($import_file);
if ($compression === false) {
$message = PMA_Message::error(__('File could not be read!'));
PMA_stopImport($message); //Contains an 'exit'
}
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);
PMA_stopImport($message);
}
break;
case 'application/gzip':
if ($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);
PMA_stopImport($message);
}
break;
case 'application/zip':
if ($cfg['ZipDump'] && @function_exists('zip_open')) {
/**
* Load interface for zip extension.
*/
include_once 'libraries/zip_extension.lib.php';
$zipResult = PMA_getZipContents($import_file);
if (! empty($zipResult['error'])) {
$message = PMA_Message::rawError($zipResult['error']);
PMA_stopImport($message);
} else {
$import_text = $zipResult['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);
PMA_stopImport($message);
}
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);
PMA_stopImport($message);
break;
}
// use isset() because zip compression type does not use a handle
if (! $error && isset($import_handle) && $import_handle === false) {
$message = PMA_Message::error(__('File could not be read!'));
PMA_stopImport($message);
}
} elseif (! $error) {
if (! isset($import_text) || empty($import_text)) {
$message = PMA_Message::error(
__(
'No data was received to import. Either no file name was ' .
'submitted, or the file size exceeded the maximum size permitted ' .
'by your PHP configuration. See [doc@faq1-16]FAQ 1.16[/doc].'
)
);
PMA_stopImport($message);
}
}
// 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 != 'utf-8') {
if (PMA_DRIZZLE) {
// Drizzle doesn't support other character sets,
// so we can't fallback to SET NAMES - throw an error
$message = PMA_Message::error(
__(
'Cannot convert file\'s character'
. ' set without character set conversion library!'
)
);
PMA_stopImport($message);
} else {
$GLOBALS['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? (because timeout has passed)
if (! $error && isset($_POST['skip'])) {
$original_skip = $skip = $_POST['skip'];
while ($skip > 0) {
PMA_importGetNextChunk($skip < $read_limit ? $skip : $read_limit);
// Disable read progressivity, 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 existence
include_once "libraries/plugin_interface.lib.php";
/* @var $import_plugin ImportPlugin */
$import_plugin = PMA_getPlugin(
"import",
$format,
'libraries/plugins/import/',
$import_type
);
if ($import_plugin == null) {
$message = PMA_Message::error(
__('Could not load import plugins, please check your installation!')
);
PMA_stopImport($message);
} else {
// Do the real import
try {
$default_fk_check = PMA_Util::handleDisableFKCheckInit();
$import_plugin->doImport($sql_data);
PMA_Util::handleDisableFKCheckCleanup($default_fk_check);
} catch (Exception $e) {
PMA_Util::handleDisableFKCheckCleanup($default_fk_check);
throw $e;
}
}
}
if (! empty($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) {
$GLOBALS['dbi']->query('SET CHARACTER SET utf8');
$GLOBALS['dbi']->query(
'SET SESSION collation_connection =\'' . $collation_connection . '\''
);
}
// Show correct message
if (! empty($id_bookmark) && $_REQUEST['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) && $_REQUEST['action_bookmark'] == 1) {
$message = PMA_Message::notice(__('Showing bookmark'));
} elseif ($bookmark_created) {
$special_message = '[br]' . sprintf(
__('Bookmark %s has been created.'),
htmlspecialchars($_POST['bkm_label'])
);
} elseif ($finished && ! $error) {
if ($import_type == 'query') {
$message = PMA_Message::success();
} else {
$message = PMA_Message::success(
'<em>'
. __('Import has been successfully finished, %d queries executed.')
. '</em>'
);
$message->addParam($executed_queries);
if ($import_notice) {
$message->addString($import_notice);
}
if (! empty($local_import_file)) {
$message->addString('(' . htmlspecialchars($local_import_file) . ')');
} else {
$message->addString(
'(' . htmlspecialchars($_FILES['import_file']['name']) . ')'
);
}
}
}
// Did we hit timeout? Tell it user.
if ($timeout_passed) {
$importUrl = $err_url .= '&timeout_passed=1&offset=' . urlencode(
$GLOBALS['offset']
);
if (isset($local_import_file)) {
$importUrl .= '&local_import_file=' . urlencode($local_import_file);
}
$message = PMA_Message::error(
__(
'Script timeout passed, if you want to finish import,'
. ' please %sresubmit the same file%s and import will resume.'
)
);
$message->addParam('<a href="' . $importUrl . '">', false);
$message->addParam('</a>', false);
if ($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)
$sqlLength = /*overload*/mb_strlen($sql_query);
if ($sqlLength <= $GLOBALS['cfg']['MaxCharactersInDisplayedSQL']) {
include_once 'libraries/parse_analyze.inc.php';
}
// There was an error?
if (isset($my_die)) {
foreach ($my_die as $key => $die) {
PMA_Util::mysqlDie(
$die['error'], $die['sql'], false, $err_url, $error
);
}
}
if ($go_sql) {
if (! empty($sql_data) && ($sql_data['valid_queries'] > 1)) {
$_SESSION['is_multi_query'] = true;
$sql_queries = $sql_data['valid_sql'];
} else {
$sql_queries = array($sql_query);
}
$html_output = '';
foreach ($sql_queries as $sql_query) {
// parse sql query
include 'libraries/parse_analyze.inc.php';
$html_output .= PMA_executeQueryAndGetQueryResponse(
$analyzed_sql_results, // analyzed_sql_results
false, // is_gotofile
$db, // db
$table, // table
null, // find_real_end
$sql_query, // sql_query_for_bookmark
null, // extra_data
null, // message_to_show
null, // message
null, // sql_data
$goto, // goto
$pmaThemeImage, // pmaThemeImage
null, // disp_query
null, // disp_message
null, // query_type
$sql_query, // sql_query
null, // selectedTables
null // complete_query
);
}
$response = PMA_Response::getInstance();
$response->addJSON('ajax_reload', $ajax_reload);
$response->addHTML($html_output);
exit();
} else if ($result) {
// Save a Bookmark with more than one queries (if Bookmark label given).
if (! empty($_POST['bkm_label']) && ! empty($import_text)) {
$cfgBookmark = PMA_Bookmark_getParams();
PMA_storeTheQueryAsBookmark(
$db, $cfgBookmark['user'],
$_REQUEST['sql_query'], $_POST['bkm_label'],
isset($_POST['bkm_replace']) ? $_POST['bkm_replace'] : null
);
}
$response = PMA_Response::getInstance();
$response->isSuccess(true);
$response->addJSON('message', PMA_Message::success($msg));
$response->addJSON(
'sql_query',
PMA_Util::getMessage($msg, $sql_query, 'success')
);
} else if ($result == false) {
$response = PMA_Response::getInstance();
$response->isSuccess(false);
$response->addJSON('message', PMA_Message::error($msg));
} else {
$active_page = $goto;
include '' . $goto;
}
// If there is request for ROLLBACK in the end.
if (isset($_REQUEST['rollback_query'])) {
$GLOBALS['dbi']->query('ROLLBACK');
}
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