127 lines
3.4 KiB
PHP
127 lines
3.4 KiB
PHP
<?php
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/**
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* @brief s3Delete Task
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* @author <a href='https://www.invisioncommunity.com'>Invision Power Services, Inc.</a>
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* @copyright (c) Invision Power Services, Inc.
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* @license https://www.invisioncommunity.com/legal/standards/
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* @package Invision Community
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* @since 23 Jul 2020
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*/
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namespace IPS\core\tasks;
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/* To prevent PHP errors (extending class does not exist) revealing path */
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use IPS\Db;
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use IPS\File;
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use IPS\File\Amazon;
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use IPS\File\Backblaze;
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use IPS\Task;
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use IPS\Task\Exception;
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use UnderflowException;
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use function count;
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use function defined;
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if ( !defined( '\IPS\SUITE_UNIQUE_KEY' ) )
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{
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header( ( $_SERVER['SERVER_PROTOCOL'] ?? 'HTTP/1.0' ) . ' 403 Forbidden' );
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exit;
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}
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/**
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* s3Delete Task
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*/
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class s3Delete extends Task
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{
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/**
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* Execute
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*
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* If ran successfully, should return anything worth logging. Only log something
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* worth mentioning (don't log "task ran successfully"). Return NULL (actual NULL, not '' or 0) to not log (which will be most cases).
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* If an error occurs which means the task could not finish running, throw an \IPS\Task\Exception - do not log an error as a normal log.
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* Tasks should execute within the time of a normal HTTP request.
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*
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* @return mixed Message to log or NULL
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* @throws Exception
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*/
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public function execute() : mixed
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{
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try
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{
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$s3 = Db::i()->select( '*', 'core_s3_deletions' )->first();
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$obj = File::getClass('core_Theme');
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if ( !( $obj instanceof Amazon ) OR ( $obj instanceof Backblaze ) )
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{
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/* Class is not Amazon, so just stop here and truncate the table as there's nothing we can really do now. */
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Db::i()->delete( 'core_s3_deletions' );
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Db::i()->update( 'core_tasks', array( 'enabled' => 0 ), array( '`key`=?', 's3Delete' ) );
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return NULL;
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}
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$keys = $obj->getContainerKeys( $s3['s3_container'], 101, '', ( $s3['s3_marker'] ?? '' ) );
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if ( count( $keys ) )
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{
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/* Get the 51st key, which will be the marker for the next iteration if we have 51 keys, otherwise, make marker null so it's removed in the next iteration */
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if ( count( $keys ) < 101 )
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{
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$marker = NULL;
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}
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else
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{
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end( $keys );
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$marker = key( $keys );
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reset( $keys );
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array_pop( $keys );
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}
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foreach( $keys as $key => $time )
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{
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if ( $time <= $s3['s3_added'] )
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{
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File::getClass('core_Theme')->deleteByKey( $key );
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}
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}
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if ( $marker )
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{
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/* Update the marker, there may be more to go */
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Db::i()->update( 'core_s3_deletions', array( 's3_marker' => $marker ), array( 's3_container=?', $s3['s3_container'] ) );
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}
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else
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{
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/* Last batch, possible some keys not deleted if time didn't match */
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Db::i()->delete( 'core_s3_deletions', array( 's3_container=?', $s3['s3_container'] ) );
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}
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}
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else
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{
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/* If no keys, delete container row from s3_deletions */
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Db::i()->delete( 'core_s3_deletions', array( 's3_container=?', $s3['s3_container'] ) );
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}
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}
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catch( UnderflowException $ex )
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{
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/* Nothing to do, so switch off the task */
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Db::i()->update( 'core_tasks', array( 'enabled' => 0 ), array( '`key`=?', 's3Delete' ) );
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}
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return NULL;
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}
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/**
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* Cleanup
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*
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* If your task takes longer than 15 minutes to run, this method
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* will be called before execute(). Use it to clean up anything which
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* may not have been done
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*
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* @return void
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*/
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public function cleanup()
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{
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}
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} |