From a7286be63ad7070448db994fdb5912f3229fc3ae Mon Sep 17 00:00:00 2001
From: Uwe Steinmann <steinm@debian.org>
Date: Tue, 26 Jan 2021 15:42:45 +0100
Subject: [PATCH] add a new task for checking the checksum of all versions

---
 inc/inc.Tasks.php | 74 +++++++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 72 insertions(+), 2 deletions(-)

diff --git a/inc/inc.Tasks.php b/inc/inc.Tasks.php
index c503eebcb..cc4a06abf 100644
--- a/inc/inc.Tasks.php
+++ b/inc/inc.Tasks.php
@@ -23,7 +23,7 @@ class SeedDMS_ExpiredDocumentsTask extends SeedDMS_SchedulerTaskBase { /* {{{ */
 		$taskparams = $task->getParameter();
 		$docs = $dms->getDocumentsExpired(intval($taskparams['days']));
 		foreach($docs as $doc) {
-			echo $doc->getName()."\n";
+			echo $doc->getName().PHP_EOL;
 		}
 		return true;
 	}
@@ -63,7 +63,7 @@ class SeedDMS_Task_Indexer_Process_Folder { /* {{{ */
 		$documents = $folder->getDocuments();
 		if($documents) {
 			$lucenesearch = $this->fulltextservice->Search();
-			echo $folder->getFolderPathPlain()."\n";
+			echo $folder->getFolderPathPlain().PHP_EOL;
 			foreach($documents as $document) {
 				echo $document->getId().":".$document->getName()." ";
 				/* If the document wasn't indexed before then just add it */
@@ -181,5 +181,75 @@ class SeedDMS_IndexingDocumentsTask extends SeedDMS_SchedulerTaskBase { /* {{{ *
 	}
 } /* }}} */
 
+/**
+ * Class for processing a single folder
+ *
+ * SeedDMS_Task_CheckSum_Process_Folder::process() is used as a callable when
+ * iterating over all folders recursively.
+ */
+class SeedDMS_Task_CheckSum_Process_Folder { /* {{{ */
+	public function __construct() { /* {{{ */
+	} /* }}} */
+
+	public function process($folder) { /* {{{ */
+		$dms = $folder->getDMS();
+		$documents = $folder->getDocuments();
+		if($documents) {
+			foreach($documents as $document) {
+				$versions = $document->getContent();
+				foreach($versions as $version) {
+					if(file_exists($dms->contentDir.$version->getPath())) {
+						$checksum = SeedDMS_Core_File::checksum($dms->contentDir.$version->getPath());
+						if($checksum != $version->getChecksum()) {
+							echo $document->getId().':'.$version->getVersion().' wrong checksum'.PHP_EOL;
+						}
+					} else {
+						echo $document->getId().':'.$version->getVersion().' missing content'.PHP_EOL;
+					}
+				}
+			}
+		}
+	} /* }}} */
+} /* }}} */
+
+/**
+ * Class containing methods for running a scheduled task
+ *
+ * @author  Uwe Steinmann <uwe@steinmann.cx>
+ * @package SeedDMS
+ * @subpackage  core
+ */
+class SeedDMS_CheckSumTask extends SeedDMS_SchedulerTaskBase { /* {{{ */
+
+	/**
+	 * Run the task
+	 *
+	 * @param $task task to be executed
+	 * @param $dms dms
+	 * @return boolean true if task was executed succesfully, otherwise false
+	 */
+	public function execute($task) {
+		$dms = $this->dms;
+		$taskparams = $task->getParameter();
+		$folder = $dms->getRootFolder();
+
+		$folderprocess = new SeedDMS_Task_CheckSum_Process_Folder();
+		$tree = new SeedDMS_FolderTree($folder, array($folderprocess, 'process'));
+		call_user_func(array($folderprocess, 'process'), $folder);
+
+		return true;
+	}
+
+	public function getDescription() {
+		return 'Check all documents for a propper checksum';
+	}
+
+	public function getAdditionalParams() {
+		return array(
+		);
+	}
+} /* }}} */
+
 $GLOBALS['SEEDDMS_SCHEDULER']['tasks']['core']['expireddocs'] = 'SeedDMS_ExpiredDocumentsTask';
 $GLOBALS['SEEDDMS_SCHEDULER']['tasks']['core']['indexingdocs'] = 'SeedDMS_IndexingDocumentsTask';
+$GLOBALS['SEEDDMS_SCHEDULER']['tasks']['core']['checksum'] = 'SeedDMS_CheckSumTask';