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263
plugins/offline_archive/include/offline_archive_functions.php
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263
plugins/offline_archive/include/offline_archive_functions.php
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<?php
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/**
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* Run any outstanding offline archive jobs
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*
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* @param bool $showoutput Display progress?
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*
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* @return bool|array TRUE if ok, array of messages if any errors encountered
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*
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*/
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function offline_archive_run_jobs($showoutput = false)
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{
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global $lang;
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if ($GLOBALS["offline_archive_archivepath"] == "")
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{
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return ["No archive location configured, please add in plugin configuration page"];
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}
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$archive_errors = [];
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$restore_errors = [];
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if($showoutput)
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{
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echo " - Checking for pending archive jobs..\n";
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}
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$pendingarchivejob=ps_query("SELECT archive_code, archive_date, archive_status FROM offline_archive WHERE archive_status=0 LIMIT 0,1");
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if(count($pendingarchivejob)<1)
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{
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if($showoutput)
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{
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echo " - There are no outstanding archive jobs\n";
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}
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}
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else
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{
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$archivecode=$pendingarchivejob[0]["archive_code"];
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if($showoutput)
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{
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echo " - Found pending archive job: " . $archivecode . "\n";
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echo " - Checking for resources with the archive pending status..\n";
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}
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$resourcestoarchive=ps_query("SELECT ref,file_extension,file_path FROM resource WHERE archive='1'");
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if(count($resourcestoarchive)<1)
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{
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ps_query("UPDATE offline_archive SET archive_status=2 WHERE archive_code= ?", ['s', $archivecode]);
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if($showoutput)
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{
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echo " - There are no resources pending archive\n";
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}
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}
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else
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{
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if (!is_dir($GLOBALS["offline_archive_archivepath"] . "/" . $archivecode)){mkdir($GLOBALS["offline_archive_archivepath"] . "/" . $archivecode, 0755, true);}
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foreach ($resourcestoarchive as $resourcetoarchive)
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{
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$ref=$resourcetoarchive["ref"];
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$extension=$resourcetoarchive["file_extension"];
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if ($resourcetoarchive["file_path"]!="")
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{
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$origdirname=dirname($resourcetoarchive["file_path"]);
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$origfilepath=$GLOBALS["syncdir"] . "/" . $resourcetoarchive["file_path"];
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$destinationdir=$GLOBALS["offline_archive_archivepath"] . "/" . $archivecode . "/" . $origdirname;
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}
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else
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{
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$origfilepath=get_resource_path($ref,true,"",false,$extension);
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$destinationdir=$GLOBALS["offline_archive_archivepath"] . "/" . $archivecode;
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}
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if($showoutput)
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{
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echo " - archive file - copying from :-\n " . $origfilepath . "\nto\n " . $destinationdir . "\n";
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echo " - creating " . $destinationdir . " if does not exist\n";
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}
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if(!file_exists($origfilepath))
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{
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$errortext = "Failed to find resource file for resource #" . $ref . ". Skipping resource";
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if($showoutput)
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{
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echo " - " . $errortext . "\n";
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}
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$archive_errors[] = $errortext;
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continue;
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}
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$filename=basename($origfilepath);
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$destinationfile=$destinationdir . "/" . $filename;
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if (!is_dir($destinationdir)){mkdir($destinationdir, 0755, true);}
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if($GLOBALS["offline_archive_preservedate"])
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{$modtime=filemtime($origfilepath);}
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copy($origfilepath,$destinationfile);
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if (file_exists($destinationfile))
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{
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if($GLOBALS["offline_archive_preservedate"])
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{touch($destinationfile,$modtime);}
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if($showoutput)
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{
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echo " - Successfully copied resource id #" . $ref. ". Deleting original file.\n";
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}
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// OK to delete existing file
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try_unlink($origfilepath);
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// Add archive code to resource metadata
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update_field($ref,$GLOBALS["offline_archive_archivefield"],$archivecode);
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ps_query("UPDATE resource SET archive='2' WHERE ref= ?", ['i', $ref]);
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resource_log($ref,"s",0,$lang['offline_archive_resource_log_archived'] . $archivecode,1,2);
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}
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else
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{
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// Copy failed - generate warning
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$errortext = "Failed to copy resource id #" . $ref . ". Failed to copy to destination: " . $destinationdir;
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if($showoutput)
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{
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echo " - " . $errortext . "\n";
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}
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$archive_errors[] = $errortext;
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}
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}
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ps_query("UPDATE offline_archive SET archive_status=2 WHERE archive_code= ?", ['s', $archivecode]);
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} // Finish archive
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} // End of archive section
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// Check for restore jobs
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if($showoutput)
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{
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echo " - Checking for pending restore jobs..\n";
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}
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$pendingrestores=ps_query("SELECT ref,file_extension,file_path FROM resource WHERE pending_restore=1");
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if(count($pendingrestores)==0)
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{
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if($showoutput)
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{
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echo " - There are no resources marked for restoration from archive\n";
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}
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}
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else
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{
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if($showoutput)
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{
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echo " - Found resources marked for restoration from archive\n";
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}
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foreach($pendingrestores as $pendingrestore)
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{
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$ref=$pendingrestore["ref"];
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$extension=$pendingrestore["file_extension"];
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if($showoutput)
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{
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echo " - Attempting to restore resource #" . $ref . "\n";
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}
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$archivecode = get_data_by_field($ref,$GLOBALS["offline_archive_archivefield"]);
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if(trim($archivecode) == "")
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{
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$restore_errors[]="Invalid archive code found\n";
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continue;
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}
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$archivepath=$GLOBALS["offline_archive_archivepath"] . "/" . $archivecode;
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if($showoutput)
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{
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echo " - Checking for archive folder at " . $archivepath . "\n";
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}
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if (is_dir($archivepath))
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{
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if($showoutput)
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{
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echo " - Found archive folder\n";
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}
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//Found archive folder - look for file
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if ($pendingrestore["file_path"]!="")
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{
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$origdirname=dirname($pendingrestore["file_path"]);
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if($GLOBALS["offline_archive_restorepath"] != "")
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{
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$dirpath=$GLOBALS["offline_archive_restorepath"] . "/" . $pendingrestore["file_path"];
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//Check if has been restored/rearchived before in which case we need to remove duplicate restore folder prefix
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if(strpos($pendingrestore["file_path"],$GLOBALS["offline_archive_restorepath"])===0)
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{
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if($showoutput)
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{
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echo " - Resource has been restored/rearchived before - we need to remove any duplicate restore folder prefix \n";
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}
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$dirpath=substr($dirpath,strlen($GLOBALS["offline_archive_restorepath"])+1);
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}
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}
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else
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{
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$dirpath=$pendingrestore["file_path"];
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}
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$restorefile=$GLOBALS["syncdir"] . "/" . $dirpath;
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$restoredir=dirname($restorefile);
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if (!is_dir($restoredir)){mkdir($restoredir, 0755, true);}
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$archivedir=$GLOBALS["offline_archive_archivepath"] . "/" . $archivecode . "/" . $origdirname;
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}
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else
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{
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$restorefile=get_resource_path($ref,true,"",false,$extension);
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$archivedir=$GLOBALS["offline_archive_archivepath"] . "/" . $archivecode;
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}
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$filename=basename($restorefile);
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$archivefile=$archivedir . "/" . $filename;
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if($showoutput)
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{
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echo " - Checking for archive file at " . $archivefile . "\n";
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}
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if (file_exists($archivefile))
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{
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// OK to copy to original location
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if($showoutput)
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{
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echo " - Found archive file, copying to " . $restorefile . "\n";
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}
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if($GLOBALS["offline_archive_preservedate"])
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{$modtime=filemtime($archivefile);}
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copy($archivefile,$restorefile);
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if (file_exists($restorefile))
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{
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if($GLOBALS["offline_archive_preservedate"])
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{touch($restorefile,$modtime);}
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if($showoutput)
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{
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echo " - Successfully restored resource id #" . $ref. "\n";
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}
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ps_query("UPDATE resource SET archive='0', pending_restore=0 WHERE ref= ?", ['i', $ref]);
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if ($pendingrestore["file_path"]!="")
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{
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if($showoutput)
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{
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echo " - Staticsync file - updating file_path\n";
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}
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ps_query("UPDATE resource SET file_path= ? WHERE ref= ?", ['s', $dirpath, 'i', $ref]);
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}
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resource_log($ref,"s",0,$lang['offline_archive_resource_log_restored'],2,0);
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}
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else
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{
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// Copy failed - generate warning
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$restore_errors[]="Failed to restore resource id #" . $ref . ". Failed to restore to destination: " . $destinationdir . "\n";
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}
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}
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else
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{
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// Failed to find archive file, on to next
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$restore_errors[]="Failed to find archive file at " . $archivefile . "\n";
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}
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}
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else
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{
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// Failed to find archive folder, on to next
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$restore_errors[]="Failed to find archive at " . $archivepath . "\nPlease ensure correct archive folder/tape/disk is present";
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}
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}
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}
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if(count($archive_errors) > 0 || count($restore_errors) > 0)
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{
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return array_merge($archive_errors,$restore_errors);
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}
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return true;
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}
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