diff options
Diffstat (limited to 'Zotlabs/Lib/DB_Upgrade.php')
| -rw-r--r-- | Zotlabs/Lib/DB_Upgrade.php | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/Zotlabs/Lib/DB_Upgrade.php b/Zotlabs/Lib/DB_Upgrade.php new file mode 100644 index 000000000..bb72e7a05 --- /dev/null +++ b/Zotlabs/Lib/DB_Upgrade.php @@ -0,0 +1,119 @@ +<?php + +namespace Zotlabs\Lib; + + +class DB_Upgrade { + + public $config_name = ''; + public $func_prefix = ''; + + function __construct($db_revision) { + + $update_file = 'install/' . PLATFORM_NAME . '/update.php'; + if(! file_exists($update_file)) { + $update_file = 'install/update.php'; + $this->config_name = 'db_version'; + $this->func_prefix = 'update_r'; + } + else { + $this->config_name = PLATFORM_NAME . '_db_version'; + $this->func_prefix = PLATFORM_NAME . '_update_'; + } + + $build = get_config('system', $this->config_name, 0); + if(! intval($build)) + $build = set_config('system', $this->config_name, $db_revision); + + if($build == $db_revision) { + // Nothing to be done. + return; + } + else { + $stored = intval($build); + if(! $stored) { + logger('Critical: check_config unable to determine database schema version'); + return; + } + + $current = intval($db_revision); + + if(($stored < $current) && file_exists($update_file)) { + + Config::Load('database'); + + // We're reporting a different version than what is currently installed. + // Run any existing update scripts to bring the database up to current. + + require_once($update_file); + + // make sure that boot.php and update.php are the same release, we might be + // updating from git right this very second and the correct version of the update.php + // file may not be here yet. This can happen on a very busy site. + + if($db_revision == UPDATE_VERSION) { + for($x = $stored; $x < $current; $x ++) { + $func = $this->func_prefix . $x; + if(function_exists($func)) { + // There could be a lot of processes running or about to run. + // We want exactly one process to run the update command. + // So store the fact that we're taking responsibility + // after first checking to see if somebody else already has. + + // If the update fails or times-out completely you may need to + // delete the config entry to try again. + + if(get_config('database', $func)) + break; + set_config('database',$func, '1'); + // call the specific update + + $retval = $func(); + if($retval) { + + // Prevent sending hundreds of thousands of emails by creating + // a lockfile. + + $lockfile = 'store/[data]/mailsent'; + + if ((file_exists($lockfile)) && (filemtime($lockfile) > (time() - 86400))) + return; + @unlink($lockfile); + //send the administrator an e-mail + file_put_contents($lockfile, $x); + + $r = q("select account_language from account where account_email = '%s' limit 1", + dbesc(\App::$config['system']['admin_email']) + ); + push_lang(($r) ? $r[0]['account_language'] : 'en'); + + z_mail( + [ + 'toEmail' => \App::$config['system']['admin_email'], + 'messageSubject' => sprintf( t('Update Error at %s'), z_root()), + 'textVersion' => replace_macros(get_intltext_template('update_fail_eml.tpl'), + [ + '$sitename' => \App::$config['system']['sitename'], + '$siteurl' => z_root(), + '$update' => $x, + '$error' => sprintf( t('Update %s failed. See error logs.'), $x) + ] + ) + ] + ); + + //try the logger + logger('CRITICAL: Update Failed: ' . $x); + pop_lang(); + } + else { + set_config('database',$func, 'success'); + } + } + } + set_config('system', $this->config_name, $db_revision); + } + } + } + } +}
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