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<?php
// Dustin Bolton 2014.
class backupbuddy_deploy {
public $_state = array(); // Holds current state data. Retrieve with getState() and pass onto next run in the constructor.
private $_errors = array(); // Hold error strings to retrieve with getErrors().
/* __construct()
*
* ROLLBACK, RESTORE
*
* @param array $destination Destination settings.
* @param array $existinData State data from a previous instantiation. Previously returned from getState().
* @param string $destinationID Optional numeric ID number of this destination in the destinations setting array.
*
*/
public function __construct( $destinationSettings, $existingState = '', $destinationID = '' ) {
pb_backupbuddy::status( 'details', 'Constructing deploy class.' );
register_shutdown_function( array( &$this, 'shutdown_function' ) );
require_once pb_backupbuddy::plugin_path() . '/classes/remote_api.php';
if ( empty( $destinationSettings['api_key'] ) ) {
die( 'Error #202004031500. Missing Destination API key.' );
}
$decoded_key = backupbuddy_remote_api::key_to_array( $destinationSettings['api_key'] );
if ( false === $decoded_key ) {
die( 'Error #848349478943747. Unable to interpret API key. Corrupted?' );
}
if ( is_array( $existingState ) ) { // User passed along an existing state to resume.
$this->_state = $existingState;
} else { // Create new blank process & state.
$this->_state = array(
'apiKey' => $destinationSettings['api_key'],
'destination' => $decoded_key,
'destination_id' => $destinationID,
'destinationSettings' => $destinationSettings,
'startTime' => microtime(true),
'backupProfile' => '',
'sendTheme' => false, // Send active theme's differing files?
'sendChildTheme' => false, // Send active child theme's differing files?
'sendPlugins' => array(), // Send differing plugin files?
'sendMedia' => false, // Send differing media files?
'sendExtras' => false, // Send extra files/directories defined by user. Array of dirs/files?
'pushThemeFiles' => array(),
'pushChildThemeFiles' => array(),
'pushPluginFiles' => array(),
'pushMediaFiles' => array(),
'pushExtraFiles' => array(),
'pullThemeFiles' => array(),
'pullChildThemeFiles' => array(),
'pullPluginFiles' => array(),
'pullMediaFiles' => array(),
'pullExtraFiles' => array(),
'pullLocalArchiveFile' => '', // Location of the archive we will be restoring once file is pulled.
);
}
pb_backupbuddy::status( 'details', 'Deploy class constructed.' );
} // End __construct().
/* start()
*
* @return bool true on success, else false.
*/
public function start( $sourceInfo ) {
$this->_before( __FUNCTION__ );
$pingTimePre = microtime(true);
$sha1 = false;
if ( isset( $this->_state['destinationSettings']['sha1'] ) ) {
$sha1 = $this->_state['destinationSettings']['sha1'];
}
if ( false === ( $this->_state['remoteInfo'] = backupbuddy_remote_api::remoteCall( $this->_state['destination'], 'getPreDeployInfo', array( 'sha1' => $sha1, 'destinationSettings' => $this->_state['destinationSettings'] ), $timeout = backupbuddy_core::adjustedMaxExecutionTime() ) ) ) {
return $this->_error( implode( ', ', backupbuddy_remote_api::getErrors() ) );
}
$this->_state['remoteInfo'] = $this->_state['remoteInfo']['data'];
$pingTimePost = microtime(true);
$this->_state['remoteInfo']['pingTime'] = $pingTimePost - $pingTimePre;
// Calculate plugins that do not match.
/*
$this->_state['pushPluginFiles'] = $this->calculatePluginDiff( $sourceInfo['activePlugins'], $this->_state['remoteInfo']['activePlugins'] );
$this->_state['pullPluginFiles'] = $this->calculatePluginDiff( $this->_state['remoteInfo']['activePlugins'], $sourceInfo['activePlugins'] );
*/
$this->_state['pushPluginFiles'] = $this->calculateFileDiff( $sourceInfo['pluginSignatures'], $this->_state['remoteInfo']['pluginSignatures'] );
$this->_state['pullPluginFiles'] = $this->calculateFileDiff( $this->_state['remoteInfo']['pluginSignatures'], $sourceInfo['pluginSignatures'] );
if ( $sourceInfo['activeTheme'] == $this->_state['remoteInfo']['activeTheme'] ) { // Same theme so calculate theme files that do not match.
$this->_state['pushThemeFiles'] = $this->calculateFileDiff( $sourceInfo['themeSignatures'], $this->_state['remoteInfo']['themeSignatures'] );
$this->_state['pullThemeFiles'] = $this->calculateFileDiff( $this->_state['remoteInfo']['themeSignatures'], $sourceInfo['themeSignatures'] );
} else {
$this->_state['sendTheme'] = false;
pb_backupbuddy::status( 'details', 'Different themes. Theme data will not be sent.' );
}
// Note: child theme support added in 6.0.0.6 so must check that remote index exists.
if ( ( isset( $this->_state['remoteInfo']['activeChildTheme'] ) ) && ( $sourceInfo['activeChildTheme'] == $this->_state['remoteInfo']['activeChildTheme'] ) ) { // Same child theme so calculate theme files that do not match.
$this->_state['pushChildThemeFiles'] = $this->calculateFileDiff( $sourceInfo['childThemeSignatures'], $this->_state['remoteInfo']['childThemeSignatures'] );
$this->_state['pullChildThemeFiles'] = $this->calculateFileDiff( $this->_state['remoteInfo']['childThemeSignatures'], $sourceInfo['childThemeSignatures'] );
} else {
$this->_state['sendChildTheme'] = false;
pb_backupbuddy::status( 'details', 'Different child themes. Theme data will not be sent.' );
}
// Calculate media files that do not match.
$this->_state['pushMediaFiles'] = $this->calculateFileDiff( $sourceInfo['mediaSignatures'], $this->_state['remoteInfo']['mediaSignatures'] ); // was calculateMediaDiff().
$this->_state['pullMediaFiles'] = $this->calculateFileDiff( $this->_state['remoteInfo']['mediaSignatures'], $sourceInfo['mediaSignatures'] ); // was calculateMediaDiff().
// Calculate additional extra inclusion files that do not match.
$this->_state['pushExtraFiles'] = $this->calculateFileDiff( $sourceInfo['extraSignatures'], $this->_state['remoteInfo']['extraSignatures'] ); // was calculateMediaDiff().
$this->_state['pullExtraFiles'] = $this->calculateFileDiff( $this->_state['remoteInfo']['extraSignatures'], $sourceInfo['extraSignatures'] ); // was calculateMediaDiff().
// Store count of media files.
//$sourceInfo['mediaCount'] = count( $sourceInfo['mediaSignatures'] );
//$this->_state['remoteInfo']['mediaCount'] = count( $this->_state['remoteInfo']['mediaSignatures'] );
unset( $sourceInfo['mediaSignatures'] );
unset( $sourceInfo['themeSignatures'] );
unset( $sourceInfo['childThemeSignatures'] );
unset( $sourceInfo['pluginSignatures'] );
unset( $this->_state['remoteInfo']['mediaSignatures'] );
unset( $this->_state['remoteInfo']['themeSignatures'] );
unset( $this->_state['remoteInfo']['childThemeSignatures'] );
unset( $this->_state['remoteInfo']['pluginSignatures'] );
return true;
} // End start().
public function calculateFileDiff( $sourceFileSignatures, $destinationFileSignatures ) {
$updateFiles = array(); // Files to send.
// Loop through local files to see if they differ from anything on remote.
foreach( $sourceFileSignatures as $file => $signature ) {
if ( ! isset( $destinationFileSignatures[ $file ] ) ) { // File does not exist on destination.
$updateFiles[] = $file;
} else { // File exists on remote. See if content is the same.
if ( ( isset( $signature['sha1'] ) && isset( $destinationFileSignatures[ $file ]['sha1'] ) ) && ( $signature['sha1'] != $destinationFileSignatures[ $file ]['sha1'] ) ) { // Hash mismatch. Needs updating.
$updateFiles[] = $file;
} elseif ( ( ! isset( $signature['sha1'] ) || !isset( $destinationFileSignatures[ $file ]['sha1'] ) ) || ( '' == $signature['sha1'] ) ) { // sha1 not calculated. size may be too large. compare size to see if changed.
if ( $signature['size'] != $destinationFileSignatures[ $file ]['size'] ) { // size mismatch
$updateFiles[] = $file;
//echo $signature['size'] . ' != ' . $destinationFileSignatures[ $file ]['size'];
}
}
}
}
return $updateFiles;
}
public function calculateMediaDiff( $sourceFileSignatures, $destinationFileSignatures ) {
$updateFiles = array(); // Files to send.
// Loop through local files to see if they differ from anything on remote.
foreach( (array)$sourceFileSignatures as $file => $signature ) {
if ( ! isset( $destinationFileSignatures[ $file ] ) ) { // File does not exist on destination.
$updateFiles[] = $file;
} else { // File exists on remote. See if content is the same.
if ( $signature['modified'] != $destinationFileSignatures[ $file ]['modified'] ) { // mismatch of modified time stored in database. Needs updating.
$updateFiles[] = $file;
}
}
}
return $updateFiles;
}
/*
public function calculateThemeDiff( $sourceThemeSignatures, $destinationThemeSignatures ) {
$updateThemeFiles = array(); // Theme files to send.
// Loop through local theme files to see if they differ from anything on remote.
foreach( $sourceThemeSignatures as $file => $signature ) {
if ( ! isset( $destinationThemeSignatures[ $file ] ) ) { // File does not exist on destination.
$updateThemeFiles[] = $file;
} else { // File exists on remote. See if content is the same.
if ( $signature['sha1'] != $destinationThemeSignatures[ $file ]['sha1'] ) { // Hash mismatch. Needs updating.
$updateThemeFiles[] = $file;
}
}
}
return $updateThemeFiles;
}
*/
public function calculatePluginDiff( $sourcePlugins, $destinationPlugins ) {
$updatePlugins = array();
$pluginPath = wp_normalize_path( WP_PLUGIN_DIR );
foreach( $sourcePlugins as $sourceSlug => $sourcePlugin ) {
$update = false;
if ( ! isset( $destinationPlugins[ $sourceSlug ] ) ) { // Plugin does not exist on destination.
$update = true;
} else { // File exists on remote. See if content is the same.
if ( $sourcePlugins[ $sourceSlug ]['version'] != $destinationPlugins[ $sourceSlug ]['version'] ) { // Version mismatch. Needs updating.
$update = true;
}
}
if ( true === $update ) {
$pluginFiles = pb_backupbuddy::$filesystem->deepglob( $pluginPath . '/' . dirname( $sourceSlug ) );
foreach( $pluginFiles as $pluginFileIndex => &$pluginFile ) { // Strip out leading path.
if ( ! is_dir( $pluginFile ) ) { // Don't send just directory. Only files within. Note: This will not send a blank directory but that should not be an issue.
$pluginFile = str_replace( $pluginPath, '', $pluginFile );
} else {
unset( $pluginFiles[ $pluginFileIndex ] );
}
}
$updatePlugins = array_merge( $updatePlugins, $pluginFiles );
}
}
return $updatePlugins;
} // End calculatePluginDiff).
public function hashFileMap( $root ) {
error_log( 'Solid Backups Error #83837833: Not currently in use.' );
die( 'Solid Backups Error #83837833: Not currently in use.' );
$generate_sha1 = true;
echo 'mem:' . memory_get_usage(true) . '<br>';
$files = (array) pb_backupbuddy::$filesystem->deepglob( $root );
echo 'mem:' . memory_get_usage(true) . '<br>';
$root_len = strlen( $root );
$new_files = array();
foreach( $files as $file_id => &$file ) {
$stat = stat( $file );
if ( FALSE === $stat ) {
pb_backupbuddy::status( 'error', 'Unable to read file `' . $file . '` stat.' );
}
$new_file = substr( $file, $root_len );
$sha1 = '';
if ( ( true === $generate_sha1 ) && ( $stat['size'] < 1073741824 ) ) { // < 100mb
$sha1 = sha1_file( $file );
}
$new_files[$new_file] = array(
'scanned' => time(),
'size' => $stat['size'],
'modified' => $stat['mtime'],
'sha1' => $sha1,
// TODO: don't render sha1 here? do it in a subsequent step(s) with cron to allow for more time? update fileoptions file every x number of tiles and a count attempts without proceeding to assume failure? max_overall attempts?
);
unset( $files[$file_id] ); // Better to free memory or leave out for performance?
}
unset( $files );
echo 'mem:' . memory_get_usage(true) . '<br>';
echo 'filecount: ' . count( $new_files ) . '<br>';
print_r( $new_files );
} // end hashFileMap().
/* extractDatabase()
*
* ROLLBACK, RESTORE
* Extracts database file(s) into temp dir.
*
* @param bool true on success, else false.
*/
public function extractDatabase() {
$this->_before( __FUNCTION__ );
$this->_priorRollbackCleanup();
pb_backupbuddy::status( 'details', 'Loading zipbuddy.' );
require_once( pb_backupbuddy::plugin_path() . '/lib/zipbuddy/zipbuddy.php' );
$zipbuddy = new pluginbuddy_zipbuddy( backupbuddy_core::getBackupDirectory() );
pb_backupbuddy::status( 'details', 'Zipbuddy loaded.' );
// Find SQL file location in archive.
pb_backupbuddy::status( 'details', 'Calculating possible SQL file locations.' );
$possibleSQLLocations = array();
$possibleSQLLocations[] = trim( rtrim( str_replace( 'backupbuddy_dat.php', '', $this->_state['datLocation'] ), '\\/' ) . '/db_1.sql', '\\/' ); // SQL file most likely is in the same spot the dat file was.
$possibleSQLLocations[] = 'db_1.sql'; // DB backup.
$possibleSQLLocations[] = 'wp-content/uploads/backupbuddy_temp/' . $this->_state['serial'] . '/db_1.sql'; // Full backup.
pb_backupbuddy::status( 'details', 'Possible SQL file locations: `' . implode( ';', $possibleSQLLocations ) . '`.' );
$possibleSQLLocations = array_unique( $possibleSQLLocations );
foreach( $possibleSQLLocations as $possibleSQLLocation ) {
if ( true === $zipbuddy->file_exists( $this->_state['archive'], $possibleSQLLocation, $leave_open = true ) ) {
$detectedSQLLocation = $possibleSQLLocation;
break;
}
} // end foreach.
pb_backupbuddy::status( 'details', 'Confirmed SQL file location: `' . $detectedSQLLocation . '`.' );
// Get SQL file.
$files = array( $detectedSQLLocation => 'db_1.sql' );
pb_backupbuddy::$filesystem->unlink_recursive( $this->_state['tempPath'] ); // Remove if already exists.
mkdir( $this->_state['tempPath'] ); // Make empty directory.
require( pb_backupbuddy::plugin_path() . '/classes/_restoreFiles.php' );
// Extract SQL file.
pb_backupbuddy::status( 'details', 'Extracting SQL file(s).' );
if ( false === backupbuddy_restore_files::restore( $this->_state['archive'], $files, $this->_state['tempPath'], $zipbuddy ) ) {
return $this->_error( 'Error #85384: Unable to restore one or more database files.' );
}
pb_backupbuddy::status( 'details', 'Finished database extraction function.' );
return true;
} // End extractDatabase().
/* _error()
*
* Logs error messages for retrieval with getErrors().
*
* @param string $message Error message to log.
* @return null
*/
private function _error( $message ) {
$this->_errors[] = $message;
pb_backupbuddy::status( 'error', $message );
return false;
} // End _error().
/* getErrors()
*
* Get any errors which may have occurred.
*
* @return array Returns an array of string error messages.
*/
public function getErrors() {
return $this->_errors;
} // End getErrors();
/* getState()
*
* Get state array data for passing to the constructor for subsequent calls.
*
* @return array Returns an array of state data.
*/
public function getState() {
pb_backupbuddy::status( 'details', 'Getting deploy state.' );
return $this->_state;
} // End getState().
/* setState()
*
* Replace current state array with provided one.
*
*/
public function setState( $stateData ) {
$this->_state = $stateData;
} // End setState().
/* _before()
*
* Runs before every function to keep track of ran functions in the state data for debugging.
*
* @return null
*/
private function _before( $functionName ) {
$this->_state['stepHistory'][] = array( 'function' => $functionName, 'start' => microtime(true) );
pb_backupbuddy::status( 'details', 'Starting function `' . $functionName . '`.' );
return;
} // End _before().
/* shutdown_function()
*
* Used for catching fatal PHP errors during backup to write to log for debugging.
*
* @return null
*/
public function shutdown_function() {
// Get error message.
// Error types: http://php.net/manual/en/errorfunc.constants.php
$e = error_get_last();
if ( $e === NULL ) { // No error of any kind.
return;
} else { // Some type of error.
if ( !is_array( $e ) || ( $e['type'] != E_ERROR ) && ( $e['type'] != E_USER_ERROR ) ) { // Return if not a fatal error.
return;
}
}
$e_string = '';
foreach( (array)$e as $e_line_title => $e_line ) {
$e_string .= $e_line_title . ' => ' . $e_line . "\n";
}
pb_backupbuddy::status( 'error', 'FATAL PHP ERROR: ' . $e_string );
} // End shutdown_function.
} // end class.
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