library/classes/Installer.class.php

   1 <?php
   2 /* Copyright © 2010 by Andrew Moore */
   3 /* Licensing information appears at the end of this file. */
   4
   5 class Installer
   6 {
   7
   8   public function __construct( $cgi_variables )
   9   {
  10     // Installation variables
  11     // For a good explanation of these variables, see documentation in
  12     //   the contrib/util/installScripts/InstallerAuto.php file.
  13     $this->iuser                    = isset($cgi_variables['iuser']) ? ($cgi_variables['iuser']) : '';
  14     $this->iuserpass                = isset($cgi_variables['iuserpass']) ? ($cgi_variables['iuserpass']) : '';
  15     $this->iuname                   = isset($cgi_variables['iuname']) ? ($cgi_variables['iuname']) : '';
  16     $this->iufname                  = isset($cgi_variables['iufname']) ? ($cgi_variables['iufname']) : '';
  17     $this->igroup                   = isset($cgi_variables['igroup']) ? ($cgi_variables['igroup']) : '';
  18     $this->server                   = isset($cgi_variables['server']) ? ($cgi_variables['server']) : ''; // mysql server (usually localhost)
  19     $this->loginhost                = isset($cgi_variables['loginhost']) ? ($cgi_variables['loginhost']) : ''; // php/apache server (usually localhost)
  20     $this->port                     = isset($cgi_variables['port']) ? ($cgi_variables['port']): '';
  21     $this->root                     = isset($cgi_variables['root']) ? ($cgi_variables['root']) : '';
  22     $this->rootpass                 = isset($cgi_variables['rootpass']) ? ($cgi_variables['rootpass']) : '';
  23     $this->login                    = isset($cgi_variables['login']) ? ($cgi_variables['login']) : '';
  24     $this->pass                     = isset($cgi_variables['pass']) ? ($cgi_variables['pass']) : '';
  25     $this->dbname                   = isset($cgi_variables['dbname']) ? ($cgi_variables['dbname']) : '';
  26     $this->collate                  = isset($cgi_variables['collate']) ? ($cgi_variables['collate']) : '';
  27     $this->site                     = isset($cgi_variables['site']) ? ($cgi_variables['site']) : '';
  28     $this->source_site_id           = isset($cgi_variables['source_site_id']) ? ($cgi_variables['source_site_id']) : '';
  29     $this->clone_database           = isset($cgi_variables['clone_database']) ? ($cgi_variables['clone_database']) : '';
  30     $this->no_root_db_access        = isset($cgi_variables['no_root_db_access']) ? ($cgi_variables['no_root_db_access']) : ''; // no root access to database. user/privileges pre-configured
  31     $this->development_translations = isset($cgi_variables['development_translations']) ? ($cgi_variables['development_translations']) : '';
  32     // Make this true for IPPF.
  33     $this->ippf_specific = false;
  34
  35     // Record name of sql access file
  36     $GLOBALS['OE_SITES_BASE'] = dirname(__FILE__) . '/../../sites';
  37     $GLOBALS['OE_SITE_DIR'] = $GLOBALS['OE_SITES_BASE'] . '/' . $this->site;
  38     $this->conffile  =  $GLOBALS['OE_SITE_DIR'] . '/sqlconf.php';
  39
  40     // Record names of sql table files
  41     $this->main_sql = dirname(__FILE__) . '/../../sql/database.sql';
  42     $this->translation_sql = dirname(__FILE__) . '/../../contrib/util/language_translations/currentLanguage_utf8.sql';
  43     $this->devel_translation_sql = "http://opensourceemr.com/cvs/languageTranslations_utf8.sql";
  44     $this->ippf_sql = dirname(__FILE__) . "/../../sql/ippf_layout.sql";
  45     $this->icd9 = dirname(__FILE__) . "/../../sql/icd9.sql";
  46     $this->cvx = dirname(__FILE__) . "/../../sql/cvx_codes.sql";
  47     $this->additional_users = dirname(__FILE__) . "/../../sql/official_additional_users.sql";
  48
  49     // Record name of php-gacl installation files
  50     $this->gaclSetupScript1 = dirname(__FILE__) . "/../../gacl/setup.php";
  51     $this->gaclSetupScript2 = dirname(__FILE__) . "/../../acl_setup.php";
  52
  53     // Prepare the dumpfile list
  54     $this->initialize_dumpfile_list();
  55
  56     // Entities to hold error and debug messages
  57     $this->error_message = '';
  58     $this->debug_message = '';
  59
  60     // Entity to hold sql connection
  61     $this->dbh = false;
  62   }
  63
  64   public function login_is_valid()
  65   {
  66     if ( ($this->login == '') || (! isset( $this->login )) ) {
  67       $this->error_message = "login is invalid: '$this->login'";
  68       return FALSE;
  69     }
  70     return TRUE;
  71   }
  72
  73   public function char_is_valid($input_text)
  74   {
  75     // to prevent php injection
  76     trim($input_text);
  77     if ($input_text == '')
  78       {
  79         return FALSE;
  80       }
  81     if (preg_match('@[\\\\;()<>/\'"]@', $input_text))
  82       {
  83         return FALSE;
  84       }
  85       return TRUE;
  86   }
  87
  88   public function iuser_is_valid()
  89   {
  90     if ( strpos($this->iuser, " ") ) {
  91       $this->error_message = "Initial user is invalid: '$this->iuser'";
  92       return FALSE;
  93     }
  94     return TRUE;
  95   }
  96
  97   public function password_is_valid()
  98   {
  99     if ( $this->pass == "" || !isset($this->pass) ) {
 100       $this->error_message = "The password for the new database account is invalid: '$this->pass'";
 101       return FALSE;
 102     }
 103     return TRUE;
 104   }
 105
 106   public function user_password_is_valid()
 107   {
 108     if ( $this->iuserpass == "" || !isset($this->iuserpass) ) {
 109       $this->error_message = "The password for the user is invalid: '$this->iuserpass'";
 110       return FALSE;
 111     }
 112     return TRUE;
 113   }
 114
 115   public function root_database_connection()
 116   {
 117     $this->dbh = $this->connect_to_database( $this->server, $this->root, $this->rootpass, $this->port );
 118     if ( $this->dbh ) {
 119       if (! $this->set_sql_strict()) {
 120         $this->error_message = 'unable to set strict sql setting';
 121         return FALSE;
 122       }
 123       return TRUE;
 124     } else {
 125       $this->error_message = 'unable to connect to database as root';
 126       return FALSE;
 127     }
 128   }
 129
 130   public function user_database_connection()
 131   {
 132     $this->dbh = $this->connect_to_database( $this->server, $this->login, $this->pass, $this->port, $this->dbname );
 133     if ( ! $this->dbh ) {
 134       $this->error_message = "unable to connect to database as user: '$this->login'";
 135       return FALSE;
 136     }
 137     if ( ! $this->set_sql_strict() ) {
 138       $this->error_message = 'unable to set strict sql setting';
 139       return FALSE;
 140     }
 141     if ( ! $this->set_collation() ) {
 142       $this->error_message = 'unable to set sql collation';
 143       return FALSE;
 144     }
 145     if ( ! mysqli_select_db($this->dbh, $this->dbname) ) {
 146       $this->error_message = "unable to select database: '$this->dbname'";
 147       return FALSE;
 148     }
 149     return TRUE;
 150   }
 151
 152   public function create_database() {
 153     $sql = "create database $this->dbname";
 154     if ($this->collate) {
 155       $sql .= " character set utf8 collate $this->collate";
 156       $this->set_collation();
 157     }
 158     return $this->execute_sql($sql);
 159   }
 160
 161   public function drop_database() {
 162    $sql = "drop database if exists $this->dbname";
 163    return $this->execute_sql($sql);
 164   }
 165
 166   public function grant_privileges() {
 167     return $this->execute_sql( "GRANT ALL PRIVILEGES ON $this->dbname.* TO '$this->login'@'$this->loginhost' IDENTIFIED BY '$this->pass'" );
 168   }
 169
 170   public function disconnect() {
 171     return mysqli_close($this->dbh);
 172   }
 173
 174   /**
 175    * This method creates any dumpfiles necessary.
 176    * This is actually only done if we're cloning an existing site
 177    * and we need to dump their database into a file.
 178    * @return bool indicating success
 179    */
 180   public function create_dumpfiles() {
 181     return $this->dumpSourceDatabase();
 182   }
 183
 184   public function load_dumpfiles() {
 185     $sql_results = ''; // information string which is returned
 186     foreach ($this->dumpfiles as $filename => $title) {
 187         $sql_results_temp = '';
 188         $sql_results_temp = $this->load_file($filename,$title);
 189         if ($sql_results_temp == FALSE) return FALSE;
 190         $sql_results .= $sql_results_temp;
 191     }
 192     return $sql_results;
 193   }
 194
 195   public function load_file($filename,$title) {
 196     $sql_results = ''; // information string which is returned
 197     $sql_results .= "Creating $title tables...\n";
 198     $fd = fopen($filename, 'r');
 199     if ($fd == FALSE) {
 200       $this->error_message = "ERROR.  Could not open dumpfile '$filename'.\n";
 201       return FALSE;
 202     }
 203     $query = "";
 204     $line = "";
 205
 206     // Settings to drastically speed up installation with InnoDB
 207     if ( ! $this->execute_sql("SET autocommit=0;") ){
 208       return FALSE;
 209     }
 210     if ( ! $this->execute_sql("START TRANSACTION;") ){
 211       return FALSE;
 212     }
 213
 214     while (!feof ($fd)){
 215             $line = fgets($fd,1024);
 216             $line = rtrim($line);
 217             if (substr($line,0,2) == "--") // Kill comments
 218                     continue;
 219             if (substr($line,0,1) == "#") // Kill comments
 220                     continue;
 221             if ($line == "")
 222                     continue;
 223             $query = $query.$line;          // Check for full query
 224             $chr = substr($query,strlen($query)-1,1);
 225             if ($chr == ";") { // valid query, execute
 226                     $query = rtrim($query,";");
 227                     if ( ! $this->execute_sql( $query ) ){
 228                             return FALSE;
 229                     }
 230                     $query = "";
 231             }
 232     }
 233
 234     // Settings to drastically speed up installation with InnoDB
 235     if ( ! $this->execute_sql("COMMIT;") ){
 236       return FALSE;
 237     }
 238     if ( ! $this->execute_sql("SET autocommit=1;") ){
 239       return FALSE;
 240     }
 241
 242     $sql_results .= "OK<br>\n";
 243     fclose($fd);
 244     return $sql_results;
 245   }
 246
 247   public function add_version_info() {
 248     include dirname(__FILE__) . "/../../version.php";
 249     if ($this->execute_sql("UPDATE version SET v_major = '$v_major', v_minor = '$v_minor', v_patch = '$v_patch', v_realpatch = '$v_realpatch', v_tag = '$v_tag', v_database = '$v_database', v_acl = '$v_acl'") == FALSE) {
 250       $this->error_message = "ERROR. Unable insert version information into database\n" .
 251         "<p>".mysqli_error($this->dbh)." (#".mysqli_errno($this->dbh).")\n";
 252       return FALSE;
 253     }
 254     return TRUE;
 255   }
 256
 257   public function add_initial_user() {
 258     if ($this->execute_sql("INSERT INTO groups (id, name, user) VALUES (1,'$this->igroup','$this->iuser')") == FALSE) {
 259       $this->error_message = "ERROR. Unable to add initial user group\n" .
 260         "<p>".mysqli_error($this->dbh)." (#".mysqli_errno($this->dbh).")\n";
 261       return FALSE;
 262     }
 263     $password_hash = "NoLongerUsed";  // This is the value to insert into the password column in the "users" table. password details are now being stored in users_secure instead.
 264     $salt=oemr_password_salt();     // Uses the functions defined in library/authentication/password_hashing.php
 265     $hash=oemr_password_hash($this->iuserpass,$salt);
 266     if ($this->execute_sql("INSERT INTO users (id, username, password, authorized, lname, fname, facility_id, calendar, cal_ui) VALUES (1,'$this->iuser','$password_hash',1,'$this->iuname','$this->iufname',3,1,3)") == FALSE) {
 267       $this->error_message = "ERROR. Unable to add initial user\n" .
 268         "<p>".mysqli_error($this->dbh)." (#".mysqli_errno($this->dbh).")\n";
 269       return FALSE;
 270
 271     }
 272
 273     // Create the new style login credentials with blowfish and salt
 274     if ($this->execute_sql("INSERT INTO users_secure (id, username, password, salt) VALUES (1,'$this->iuser','$hash','$salt')") == FALSE) {
 275       $this->error_message = "ERROR. Unable to add initial user login credentials\n" .
 276         "<p>".mysqli_error($this->dbh)." (#".mysqli_errno($this->dbh).")\n";
 277       return FALSE;
 278     }
 279     // Add the official openemr users (services)
 280     if ($this->load_file($this->additional_users,"Additional Official Users") == FALSE) return FALSE;
 281
 282     return TRUE;
 283   }
 284
 285   /**
 286    * Create site directory if it is missing.
 287    * @global string $GLOBALS['OE_SITE_DIR'] contains the name of the site directory to create
 288    * @return name of the site directory or False
 289    */
 290   public function create_site_directory() {
 291     if (!file_exists($GLOBALS['OE_SITE_DIR'])) {
 292       $source_directory      = $GLOBALS['OE_SITES_BASE'] . "/" . $this->source_site_id;
 293       $destination_directory = $GLOBALS['OE_SITE_DIR'];
 294       if ( ! $this->recurse_copy( $source_directory, $destination_directory ) ) {
 295         $this->error_message = "unable to copy directory: '$source_directory' to '$destination_directory'. " . $this->error_message;
 296         return False;
 297       }
 298     }
 299     return True;
 300   }
 301
 302   public function write_configuration_file() {
 303     @touch($this->conffile); // php bug
 304     $fd = @fopen($this->conffile, 'w');
 305     if ( ! $fd ) {
 306       $this->error_message = 'unable to open configuration file for writing: ' . $this->conffile;
 307       return False;
 308     }
 309     $string = '<?php
 310 //  OpenEMR
 311 //  MySQL Config
 312
 313 ';
 314
 315     $it_died = 0;   //fmg: variable keeps running track of any errors
 316
 317     fwrite($fd,$string) or $it_died++;
 318     fwrite($fd,"\$host\t= '$this->server';\n") or $it_died++;
 319     fwrite($fd,"\$port\t= '$this->port';\n") or $it_died++;
 320     fwrite($fd,"\$login\t= '$this->login';\n") or $it_died++;
 321     fwrite($fd,"\$pass\t= '$this->pass';\n") or $it_died++;
 322     fwrite($fd,"\$dbase\t= '$this->dbname';\n\n") or $it_died++;
 323     fwrite($fd,"//Added ability to disable\n") or $it_died++;
 324     fwrite($fd,"//utf8 encoding - bm 05-2009\n") or $it_died++;
 325     fwrite($fd,"global \$disable_utf8_flag;\n") or $it_died++;
 326     fwrite($fd,"\$disable_utf8_flag = false;\n") or $it_died++;
 327
 328 $string = '
 329 $sqlconf = array();
 330 global $sqlconf;
 331 $sqlconf["host"]= $host;
 332 $sqlconf["port"] = $port;
 333 $sqlconf["login"] = $login;
 334 $sqlconf["pass"] = $pass;
 335 $sqlconf["dbase"] = $dbase;
 336 //////////////////////////
 337 //////////////////////////
 338 //////////////////////////
 339 //////DO NOT TOUCH THIS///
 340 $config = 1; /////////////
 341 //////////////////////////
 342 //////////////////////////
 343 //////////////////////////
 344 ?>
 345 ';
 346 ?><?php // done just for coloring
 347
 348     fwrite($fd,$string) or $it_died++;
 349     fclose($fd) or $it_died++;
 350
 351     //it's rather irresponsible to not report errors when writing this file.
 352     if ($it_died != 0) {
 353       $this->error_message = "ERROR. Couldn't write $it_died lines to config file '$this->conffile'.\n";
 354       return FALSE;
 355     }
 356
 357     return TRUE;
 358   }
 359
 360   public function insert_globals() {
 361     function xl($s) { return $s; }
 362     require(dirname(__FILE__) . '/../globals.inc.php');
 363     foreach ($GLOBALS_METADATA as $grpname => $grparr) {
 364       foreach ($grparr as $fldid => $fldarr) {
 365         list($fldname, $fldtype, $flddef, $flddesc) = $fldarr;
 366         if (is_array($fldtype) || substr($fldtype, 0, 2) !== 'm_') {
 367           $res = $this->execute_sql("SELECT count(*) AS count FROM globals WHERE gl_name = '$fldid'");
 368           $row = mysqli_fetch_array($res, MYSQLI_ASSOC);
 369           if (empty($row['count'])) {
 370             $this->execute_sql("INSERT INTO globals ( gl_name, gl_index, gl_value ) " .
 371                            "VALUES ( '$fldid', '0', '$flddef' )");
 372           }
 373         }
 374       }
 375     }
 376     return TRUE;
 377   }
 378
 379   public function install_gacl()
 380   {
 381     $install_results_1 = $this->get_require_contents($this->gaclSetupScript1);
 382     if (! $install_results_1 ) {
 383       $this->error_message = "install_gacl failed: unable to require gacl script 1";
 384       return FALSE;
 385     }
 386
 387     $install_results_2 = $this->get_require_contents($this->gaclSetupScript2);
 388     if (! $install_results_2 ) {
 389       $this->error_message = "install_gacl failed: unable to require gacl script 2";
 390       return FALSE;
 391     }
 392     $this->debug_message .= $install_results_1 . $install_results_2;
 393     return TRUE;
 394   }
 395
 396   public function quick_install() {
 397     // Validation of OpenEMR user settings
 398     //   (applicable if not cloning from another database)
 399     if (empty($this->clone_database)) {
 400       if ( ! $this->login_is_valid() ) {
 401         return False;
 402       }
 403       if ( ! $this->iuser_is_valid() ) {
 404         return False;
 405       }
 406       if ( ! $this->user_password_is_valid() ) {
 407         return False;
 408       }
 409     }
 410     // Validation of mysql database password
 411     if ( ! $this->password_is_valid() ) {
 412       return False;
 413     }
 414     if (! $this->no_root_db_access) {
 415       // Connect to mysql via root user
 416       if (! $this->root_database_connection() ) {
 417         return False;
 418       }
 419       // Create the dumpfile
 420       //   (applicable if cloning from another database)
 421       if (! empty($this->clone_database)) {
 422         if ( ! $this->create_dumpfiles() ) {
 423           return False;
 424         }
 425       }
 426       // Create the site directory
 427       //   (applicable if mirroring another local site)
 428       if ( ! empty($this->source_site_id) ) {
 429         if ( ! $this->create_site_directory() ) {
 430           return False;
 431         }
 432       }
 433       $this->disconnect();
 434       if (! $this->user_database_connection()) {
 435         // Re-connect to mysql via root user
 436         if (! $this->root_database_connection() ) {
 437           return False;
 438         }
 439         // Create the mysql database
 440         if ( ! $this->create_database()) {
 441           return False;
 442         }
 443         // Grant user privileges to the mysql database
 444         if ( ! $this->grant_privileges() ) {
 445           return False;
 446         }
 447       }
 448       $this->disconnect();
 449     }
 450     // Connect to mysql via created user
 451     if ( ! $this->user_database_connection() ) {
 452       return False;
 453     }
 454     // Build the database
 455     if ( ! $this->load_dumpfiles() ) {
 456       return False;
 457     }
 458     // Write the sql configuration file
 459     if ( ! $this->write_configuration_file() ) {
 460       return False;
 461     }
 462     // Load the version information, globals settings,
 463     // initial user, and set up gacl access controls.
 464     //  (applicable if not cloning from another database)
 465     if (empty($this->clone_database)) {
 466       if ( ! $this->add_version_info() ) {
 467         return False;
 468       }
 469       if ( ! $this->insert_globals() ) {
 470         return False;
 471       }
 472       if ( ! $this->add_initial_user() ) {
 473         return False;
 474       }
 475       if ( ! $this->install_gacl()) {
 476         return False;
 477       }
 478     }
 479
 480     return True;
 481   }
 482
 483   private function execute_sql( $sql ) {
 484     $this->error_message = '';
 485     if ( ! $this->dbh ) {
 486       $this->user_database_connection();
 487     }
 488     $results = mysqli_query($this->dbh, $sql);
 489     if ( $results ) {
 490       return $results;
 491     } else {
 492       $error_mes = mysqli_error($this->dbh);
 493       $this->error_message = "unable to execute SQL: '$sql' due to: " . $error_mes;
 494       error_log("ERROR IN OPENEMR INSTALL: Unable to execute SQL: ".$sql." due to: ".$error_mes);
 495       return False;
 496     }
 497   }
 498
 499   private function connect_to_database( $server, $user, $password, $port, $dbname='' )
 500   {
 501     if ($server == "localhost")
 502       $dbh = mysqli_connect($server, $user, $password, $dbname);
 503     else
 504       $dbh = mysqli_connect($server, $user, $password, $dbname, $port);
 505     return $dbh;
 506   }
 507
 508   private function set_sql_strict()
 509   {
 510     // Turn off STRICT SQL
 511     return $this->execute_sql("SET sql_mode = ''");
 512   }
 513
 514   private function set_collation()
 515   {
 516    if ($this->collate) {
 517      return $this->execute_sql("SET NAMES 'utf8'");
 518    }
 519    return TRUE;
 520   }
 521
 522   /**
 523    * innitialize $this->dumpfiles, an array of the dumpfiles that will
 524    * be loaded into the database, including the correct translation
 525    * dumpfile.
 526    * The keys are the paths of the dumpfiles, and the values are the titles
 527    * @return array
 528    */
 529   private function initialize_dumpfile_list() {
 530     if ( $this->clone_database ) {
 531       $this->dumpfiles = array( $this->get_backup_filename() => 'clone database' );
 532     } else {
 533       $dumpfiles = array( $this->main_sql => 'Main' );
 534       if (! empty($this->development_translations)) {
 535         // Use the online development translation set
 536         $dumpfiles[ $this->devel_translation_sql ] = "Online Development Language Translations (utf8)";
 537       }
 538       else {
 539         // Use the local translation set
 540         $dumpfiles[ $this->translation_sql ] = "Language Translation (utf8)";
 541       }
 542       if ($this->ippf_specific) {
 543         $dumpfiles[ $this->ippf_sql ] = "IPPF Layout";
 544       }
 545       // Load ICD-9 codes if present.
 546       if (file_exists( $this->icd9 )) {
 547         $dumpfiles[ $this->icd9 ] = "ICD-9";
 548       }
 549       // Load CVX codes if present
 550       if (file_exists( $this->cvx )) {
 551         $dumpfiles[ $this->cvx ] = "CVX Immunization Codes";
 552       }
 553       $this->dumpfiles = $dumpfiles;
 554     }
 555     return $this->dumpfiles;
 556   }
 557
 558   // http://www.php.net/manual/en/function.include.php
 559   private function get_require_contents($filename) {
 560     if (is_file($filename)) {
 561         ob_start();
 562         require $filename;
 563         $contents = ob_get_contents();
 564         ob_end_clean();
 565         return $contents;
 566     }
 567     return false;
 568   }
 569
 570   /**
 571    *
 572    * Directory copy logic borrowed from a user comment at
 573    * http://www.php.net/manual/en/function.copy.php
 574    * @param string $src name of the directory to copy
 575    * @param string $dst name of the destination to copy to
 576    * @return bool indicating success
 577    */
 578   private function recurse_copy($src, $dst) {
 579     $dir = opendir($src);
 580     if ( ! @mkdir($dst) ) {
 581       $this->error_message = "unable to create directory: '$dst'";
 582       return False;
 583     }
 584     while(false !== ($file = readdir($dir))) {
 585       if ($file != '.' && $file != '..') {
 586         if (is_dir($src . '/' . $file)) {
 587           $this->recurse_copy($src . '/' . $file, $dst . '/' . $file);
 588         }
 589         else {
 590           copy($src . '/' . $file, $dst . '/' . $file);
 591         }
 592       }
 593     }
 594     closedir($dir);
 595     return True;
 596   }
 597
 598   /**
 599    *
 600    * dump a site's database to a temporary file.
 601    * @param string $source_site_id the site_id of the site to dump
 602    * @return filename of the backup
 603    */
 604   private function dumpSourceDatabase() {
 605     global $OE_SITES_BASE;
 606     $source_site_id = $this->source_site_id;
 607
 608     include("$OE_SITES_BASE/$source_site_id/sqlconf.php");
 609
 610     if (empty($config)) die("Source site $source_site_id has not been set up!");
 611
 612     $backup_file = $this->get_backup_filename();
 613     $cmd = "mysqldump -u " . escapeshellarg($login) .
 614       " -p" . escapeshellarg($pass) .
 615       " --opt --skip-extended-insert --quote-names -r $backup_file " .
 616       escapeshellarg($dbase);
 617
 618     $tmp0 = exec($cmd, $tmp1=array(), $tmp2);
 619     if ($tmp2) die("Error $tmp2 running \"$cmd\": $tmp0 " . implode(' ', $tmp1));
 620
 621     return $backup_file;
 622   }
 623
 624   /**
 625    * @return filename of the source backup database for cloning
 626    */
 627   private function get_backup_filename() {
 628     if (stristr(PHP_OS, 'WIN')) {
 629       $backup_file = 'C:/windows/temp/setup_dump.sql';
 630     }
 631     else {
 632       $backup_file = '/tmp/setup_dump.sql';
 633     }
 634     return $backup_file;
 635   }
 636
 637 }
 638
 639 /*
 640 This file is free software: you can redistribute it and/or modify it under the
 641 terms of the GNU General Public License as publish by the Free Software
 642 Foundation.
 643
 644 This file is distributed in the hope that it will be useful, but WITHOUT ANY
 645 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
 646 PARTICULAR PURPOSE.  See the GNU Gneral Public License for more details.
 647
 648 You should have received a copy of the GNU General Public Licence along with
 649 this file.  If not see <http://www.gnu.org/licenses/>.
 650 */
 651 ?>