}
return true;
}
-
-function db_import($filename, $connection, $force=true)
+/*
+ Database import:
+ $filename - sql file name
+ $connection - database connection
+ $force - ignore duplicate errors
+ $init - presume $filename is initialization file with '0_' prefix
+ $protect - protect users/roles
+ $return_errors - return errors instead of display them
+*/
+function db_import($filename, $connection, $force=true, $init=true, $protect=false, $return_errors=false)
{
global $db, $go_debug, $sql_trail;
"alter table" => 'table_queries',
"insert" => 'data_queries',
"update" => 'data_queries',
+ "set names" => 'set_names',
"drop table if exists" => 'drop_queries',
"drop function if exists" => 'drop_queries',
"drop trigger if exists" => 'drop_queries',
);
+
+ $protected = array(
+ 'security_roles',
+ 'users'
+ );
+
$ignored_mysql_errors = array( //errors ignored in normal (non forced) mode
'1022', // duplicate key
'1050', // Table %s already exists
'1062', // duplicate key entry
'1091' // can't drop key/column check if exists
);
+
+ $set_names = array();
$data_queries = array();
$drop_queries = array();
$table_queries = array();
$sql_errors = array();
+ $old_encoding = mysql_client_encoding();
+
ini_set("max_execution_time", "180");
db_query("SET foreign_key_checks=0");
// uncrompress gziped backup files
// parse input file
$query_table = '';
$delimiter = ';';
+
foreach($lines as $line_no => $line)
{
$line = trim($line);
- $line = str_replace("0_", $connection["tbpref"], $line);
+ if ($init)
+ $line = str_replace("0_", $connection["tbpref"], $line);
if ($query_table == '')
{ // check if line begins with one of allowed queries
continue 2;
}
$query_table = $table;
- ${$query_table}[] = array('', $line_no+1);
+ $skip = false;
+ if ($protect)
+ {
+ foreach($protected as $protbl)
+ if (strpos($line, $connection["tbpref"].$protbl) !== false)
+ {
+ $skip = true; break;
+ }
+ }
+ if (!$skip)
+ ${$query_table}[] = array('', $line_no+1);
break;
}
}
$line = substr($line, 0, strlen($line) - strlen($delimiter)); // strip delimiter
$query_table = '';
}
- ${$table}[count(${$table}) - 1][0] .= $line . "\n";
+ if (!$skip)
+ ${$table}[count(${$table}) - 1][0] .= $line . "\n";
}
-
+
}
-/*
- { // for debugging purposes
+
+ //
+ // 'set names' or equivalents should be used only on post 2.3 FA versions
+ // otherwise text encoding can be broken during import
+ //
+ $encoding = null; // UI encoding for default site language is the default
+ $new_db = $init || db_fixed();
+ $new_file = count($set_names);
+ if ($new_db)
+ {
+ if ($new_file)
+ {
+ if (count($set_names)) // standard db restore
+ {
+ if (preg_match('/set\s*names\s*[\']?(\w*)[\']?/i', $set_names[0][0], $match))
+ $encoding = $match[1];
+ }
+ // otherwise use default site ui encoding
+ }
+ }
+ else
+ {
+ if ($new_file) // import on old db is forbidden: this would destroy db content unless latin1 was used before in UI
+ {
+ $msg = _("This is new format backup file which cannot be restored on database not migrated to utf8.");
+ if ($return_errors)
+ return $msg;
+ else
+ display_error($msg);
+ return false;
+ }
+ else // backup restore during upgrade failure
+ $encoding = 'latin1'; // standard encoding on mysql client
+ }
+
+ mysql_set_charset($encoding);
+
+/*/ { // for debugging purposes
global $path_to_root;
$f = fopen($path_to_root.'/tmp/dbimport.txt', 'w+');
+ fwrite($f, print_r($set_names,true) ."\n");
fwrite($f, print_r($drop_queries,true) ."\n");
fwrite($f, print_r($table_queries,true) ."\n");
fwrite($f, print_r($data_queries,true));
fclose($f);
}
-*/
+/*/
+ if ($return_errors)
+ { // prevent errors display
+ $save_debug = $go_debug;
+ $go_debug = 0;
+ }
// execute drop tables if exists queries
if (is_array($drop_queries))
{
}
}
}
-
+
+ if ($return_errors)
+ $go_debug = $save_debug;
+
db_query("SET foreign_key_checks=1");
if ($delimiter != ';') db_query("delimiter ;"); // just for any case
+ mysql_set_charset($old_encoding); // restore connection encoding
+
if (count($sql_errors)) {
+ if ($return_errors)
+ return $sql_errors;
+
// display first failure message; the rest are probably derivative
$err = $sql_errors[0];
display_error(sprintf(_("SQL script execution failed in line %d: %s"),
return db_export($conn, $path . clean_file_name($filename), $ext, $comm);
}
-
-// generates a dump of $db database
-// $drop and $zip tell if to include the drop table statement or dry to pack
-function db_export($conn, $filename, $zip='no', $comment='', $no_default=false)
+//
+// Generates a dump of $db database
+//
+function db_export($conn, $filename, $zip='no', $comment='')
{
global $app_title, $version, $power_url, $path_to_root;
-
$error = false;
// set max string size before writing to file
$max_size = 1048576 * 2; // 2 MB
$backupfile = $filename;
$company = $conn['name']; // get_company_pref('coy_name');
+ if (file_exists($backupfile)) // prevent appends
+ unlink($backupfile);
+
//create comment
$out="# MySQL dump of database '".$conn["dbname"]."' on host '".$conn["host"]."'\n";
$out.="# Backup Date and Time: ".date("Y-m-d H:i")."\n";
$out.="# ".$power_url."\n";
$out.="# Company: ". @html_entity_decode($company, ENT_QUOTES, $_SESSION['language']->encoding)."\n";
$out.="# User: ".$_SESSION["wa_current_user"]->name."\n\n";
+ $out.="# Compatibility: ".get_company_pref('version_id')."\n\n";
// write users comment
if ($comment)
//$out.="use ".$db.";\n"; we don't use this option.
+ if (db_fixed())
+ {
+ db_set_encoding();
+ if ($mysql_enc = get_mysql_encoding_name($_SESSION['language']->encoding))
+ $out .= "\nSET NAMES $mysql_enc;\n";
+ }
// get auto_increment values and names of all tables
$res = db_query("show table status");
$all_tables = array();
$out.="### Structure of table `".$tablename."` ###\n\n";
$out.="DROP TABLE IF EXISTS `".$tablename."`;\n\n";
- if ($no_default && ($def_pos = strpos($table_sql[$tablename], "DEFAULT CHARSET")) > 0)
- $table_sql[$tablename] = substr($table_sql[$tablename], 0, $def_pos);
$out.=$table_sql[$tablename];
// add auto_increment value
// total # of entries "on this disk", total # of entries overall, size of central dir, offset to start of central dir, .zip file comment length
$fileData .= pack('v', 1) . pack('v', 1) . pack('V', strlen($cdrec)) . pack('V', strlen($fr)) . "\x00\x00";
- if ($zp = @fopen($path, "a"))
+ if ($zp = @fopen($path, "w"))
{
@fwrite($zp, $fileData);
@fclose($zp);
return 2; // field not found
}
+/*
+ Update or create setting in simple php config file.
+*/
+function update_config_var($file, $variable, $value, $comment='')
+{
+ if (!is_file($file) || !is_writeable($file))
+ return false;
+ $content = file_get_contents($file);
+ $strvalue = '$'."$variable = ".var_export($value, true).';';
+ $pattern = '/'.preg_quote('$'.$variable).'\s*=\s*[^;]*;/m';
+ $content = preg_replace($pattern, $strvalue, $content, -1, $result);
+ if (!$result)
+ {
+ $strvalue = ($comment ? "// $comment" : '') ."\n$strvalue\n";
+ $content = preg_replace('/\?>\s*/m', $strvalue, $content, -1, $result);
+ if (!$result)
+ $content .= $strvalue;
+ }
+
+ return file_put_contents($file, $content)!=false;
+}
+
+
?>
\ No newline at end of file