function action_update_var($blob)
{
log_write("debug", "file_storage", "Executing action_update_var(BLOB)");
/*
Create temp file
*/
$temp_file = file_generate_tmpfile();
/*
Write blob to disk
*/
if (!($fhandle = fopen($temp_file, "w"))) {
log_write("error", "file_storage", "Unable to open output file '{$temp_file}' for writing.");
return 0;
}
// write all blob data
fwrite($fhandle, $blob);
// close the output file
fclose($fhandle);
/*
Process with action_update_file
*/
if ($this->action_update_file($temp_file)) {
// clean up temp file
unlink($temp_file);
return $this->id;
} else {
unlink($temp_file);
return 0;
}
}
admin/db_backup-process.php
Access: admin only
Performs export of the MySQL database, by executing mysqldump, creating
temp files and then outputting the file for download.
*/
// includes
include_once "../include/config.php";
include_once "../include/amberphplib/main.php";
if (user_permissions_get("admin")) {
/*
Create temp files for download
*/
$file_config = file_generate_tmpfile();
$file_export = file_generate_tmpfile();
/*
Write authentication information into temp config file
this allows us to prevent the exposure of the DB password on the CLI
*/
$fh = fopen($file_config, "w");
fwrite($fh, "[mysqldump]\n");
fwrite($fh, "host=" . $config["db_host"] . "\n");
fwrite($fh, "user="******"db_user"] . "\n");
fwrite($fh, "password="******"db_pass"] . "\n");
fclose($fh);
/*
Export Database
*/
$dbname = sql_get_singlevalue("SELECT DATABASE() as value");
$app_mysqldump = sql_get_singlevalue("SELECT value FROM config WHERE name='APP_MYSQL_DUMP'");
