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394099649e7811a04be06a8228443258372fe563
oc-server3/htdocs/lib2/logic/picture.class.php
following 5fe55ee0c2 added listing archiving-and-restore function (vandalism protection), and ... 
- added log-picture removal on log deletion (bugfix)
- block deletion of user accounts if archived logs or cache reports exist
- show number of archived logs and cache reports in adminuser interface
- improved cache description deletion confirmation message
2013-03-20 18:11:08 +01:00

445 lines
12 KiB
PHP
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<?php
/***************************************************************************
* For license information see doc/license.txt
*
* Unicode Reminder メモ
*
* get/set has to be commited with save
* add/remove etc. is executed instantly
***************************************************************************/
require_once($opt['rootpath'] . 'lib2/logic/rowEditor.class.php');
require_once($opt['rootpath'] . 'lib2/logic/const.inc.php');
class picture
{
var $nPictureId = 0;
var $rePicture;
var $sFileExtension = '';
var $bFilenamesSet = false;
static function pictureIdFromUUID($uuid)
{
$pictureid = sql_value("SELECT `id` FROM `pictures` WHERE `uuid`='&1'", 0, $uuid);
return $pictureid;
}
static function fromUUID($uuid)
{
$pictureid = picture::pictureIdFromUUID($uuid);
if ($pictureid == 0)
return null;
return new picture($pictureid);
}
function __construct($nNewPictureId=ID_NEW)
{
global $opt;
$this->rePicture = new rowEditor('pictures');
$this->rePicture->addPKInt('id', null, false, RE_INSERT_AUTOINCREMENT);
$this->rePicture->addString('uuid', '', false, RE_INSERT_AUTOUUID);
$this->rePicture->addInt('node', 0, false);
$this->rePicture->addDate('date_created', time(), true, RE_INSERT_IGNORE);
$this->rePicture->addDate('last_modified', time(), true, RE_INSERT_IGNORE);
$this->rePicture->addString('url', '', false);
$this->rePicture->addString('title', '', false);
$this->rePicture->addDate('last_url_check', 0, true);
$this->rePicture->addInt('object_id', null, false);
$this->rePicture->addInt('object_type', null, false);
$this->rePicture->addString('thumb_url', '', false);
$this->rePicture->addDate('thumb_last_generated', 0, false);
$this->rePicture->addInt('spoiler', 0, false);
$this->rePicture->addInt('local', 0, false);
$this->rePicture->addInt('unknown_format', 0, false);
$this->rePicture->addInt('display', 1, false);
$this->rePicture->addInt('mappreview', 0, false);
$this->nPictureId = $nNewPictureId+0;
if ($nNewPictureId == ID_NEW)
{
$this->rePicture->addNew(null);
$sUUID = mb_strtoupper(sql_value("SELECT UUID()", ''));
$this->rePicture->setValue('uuid', $sUUID);
$this->rePicture->setValue('node', $opt['logic']['node']['id']);
}
else
{
$this->rePicture->load($this->nPictureId);
$sFilename = $this->getFilename();
$fna = mb_split('\\.', $sFilename);
$this->sFileExtension = mb_strtolower($fna[count($fna) - 1]);
$this->bFilenamesSet = true;
}
}
function exist()
{
return $this->rePicture->exist();
}
static function allowedExtension($sFilename)
{
global $opt;
if (strpos($sFilename, ';') !== false)
return false;
if (strpos($sFilename, '.') === false)
return false;
$sExtension = mb_strtolower(substr($sFilename, strrpos($sFilename, '.') + 1));
if (strpos(';' . $opt['logic']['pictures']['extensions'] . ';', ';' . $sExtension . ';') !== false)
return true;
else
return false;
}
function setFilenames($sFilename)
{
global $opt;
if ($this->bFilenamesSet == true)
return;
if (strpos($sFilename, '.') === false)
return;
$sExtension = mb_strtolower(substr($sFilename, strrpos($sFilename, '.') + 1));
$this->sFileExtension = $sExtension;
$sUUID = $this->getUUID();
$this->setUrl($opt['logic']['pictures']['url'] . $sUUID . '.' . $sExtension);
//$this->setThumbUrl($opt['logic']['pictures']['thumb_url'] . substr($sUUID, 0, 1) . '/' . substr($sUUID, 1, 1) . '/' . $sUUID . '.' . $sExtension);
$this->bFilenamesSet = true;
}
function getPictureId()
{
return $this->nPictureId;
}
private function setArchiveFlag($bRestoring, $original_id=0)
{
global $login;
// This function determines if an insert, update oder deletion at pictures table
// ist to be recorded for vandalism recovery, depending on WHO OR WHY the
// operation is done. Other conditions, depending on the data, are handled
// by triggers.
//
// Data is passed by ugly global DB variables, so try call this function as
// close before the targetet DB operation as possible.
if ($this->getObjectType() == 1)
{
/*
$owner_id = sql_value("SELECT `user_id` FROM `caches` WHERE `cache_id`=
IFNULL((SELECT `cache_id` FROM `cache_logs` WHERE `id`='&1'),
(SELECT `cache_id` FROM `cache_logs_archived` WHERE `id`='&1'))",
0, $this->getObjectId());
*/
$logger_id = sql_value("SELECT
IFNULL((SELECT `user_id` FROM `cache_logs` WHERE `id`='&1'),
(SELECT `user_id` FROM `cache_logs_archived` WHERE `id`='&1'))",
0, $this->getObjectId());
$archive = ($bRestoring || $login->userid != $logger_id);
}
else
$archive = true;
sql("SET @archive_picop=" . ($archive ? "TRUE" : "FALSE"));
sql_slave("SET @archive_picop=" . ($archive ? "TRUE" : "FALSE"));
sql("SET @original_picid='&1'", $original_id);
sql_slave("SET @original_picid='&1'", $original_id);
// @archive_picop and @original_picid are evaluated by trigger functions
}
private function resetArchiveFlag()
{
sql("SET @archive_picop=FALSE");
sql("SET @original_picid=0");
sql_slave("SET @archive_picop=FALSE");
sql_slave("SET @original_picid=0");
}
function getUrl()
{
return $this->rePicture->getValue('url');
}
function setUrl($value)
{
return $this->rePicture->setValue('url', $value);
}
function getThumbUrl()
{
return $this->rePicture->getValue('thumb_url');
}
function setThumbUrl($value)
{
return $this->rePicture->setValue('thumb_url', $value);
}
function getTitle()
{
return $this->rePicture->getValue('title');
}
function setTitle($value)
{
if ($value != '')
return $this->rePicture->setValue('title', $value);
else
return false;
}
function getSpoiler()
{
return $this->rePicture->getValue('spoiler')!=0;
}
function setSpoiler($value)
{
return $this->rePicture->setValue('spoiler', $value ? 1 : 0);
}
function getLocal()
{
return $this->rePicture->getValue('local')!=0;
}
function setLocal($value)
{
return $this->rePicture->setValue('local', $value ? 1 : 0);
}
function getUnknownFormat()
{
return $this->rePicture->getValue('unknown_format')!=0;
}
function setUnknownFormat($value)
{
return $this->rePicture->setValue('unknown_format', $value ? 1 : 0);
}
function getDisplay()
{
return $this->rePicture->getValue('display')!=0;
}
function setDisplay($value)
{
return $this->rePicture->setValue('display', $value ? 1 : 0);
}
function getMapPreview()
{
return $this->rePicture->getValue('mappreview') != 0;
}
function setMapPreview($value)
{
return $this->rePicture->setValue('mappreview', $value ? 1 : 0);
}
function getFilename()
{
// works intendently before bFilenameSet == true !
global $opt;
if (mb_substr($opt['logic']['pictures']['dir'], -1, 1) != '/')
$opt['logic']['pictures']['dir'] .= '/';
$url = $this->getUrl();
$fna = mb_split('\\/', $url);
return $opt['logic']['pictures']['dir'] . end($fna);
}
function getThumbFilename()
{
global $opt;
if (mb_substr($opt['logic']['pictures']['thumb_dir'], -1, 1) != '/')
$opt['logic']['pictures']['thumb_dir'] .= '/';
$url = $this->getUrl();
$fna = mb_split('\\/', $url);
$filename = end($fna);
$dir1 = mb_strtoupper(mb_substr($filename, 0, 1));
$dir2 = mb_strtoupper(mb_substr($filename, 1, 1));
return $opt['logic']['pictures']['thumb_dir'] . $dir1 . '/' . $dir2 . '/' . $filename;
}
function getLogId()
{
if ($this->getObjectType() == OBJECT_CACHELOG)
return $this->getObjectId();
else
return false;
}
function isVisibleOnCachePage()
{
if ($this->getObjectType() != OBJECT_CACHELOG)
return null;
else
$rs = sql("SELECT `id` FROM `cache_logs` WHERE `cache_id`='&1'
ORDER BY `date`, `id` DESC
LIMIT &2",
$this->getCacheId(), MAX_LOGENTRIES_ON_CACHEPAGE);
$firstlogs = false;
while ($r = sql_fetch_assoc($rs))
if ($r['id'] == $this->getLogId())
$firstlogs = true;
sql_free_result($rs);
return $firstlogs;
}
function getCacheId()
{
if ($this->getObjectType() == OBJECT_CACHELOG)
return sql_value("SELECT `cache_id` FROM `cache_logs` WHERE `id`='&1'", false, $this->getObjectId());
else if ($this->getObjectType() == OBJECT_CACHE)
return $this->getObjectId();
else
return false;
}
function getObjectId()
{
return $this->rePicture->getValue('object_id');
}
function setObjectId($value)
{
return $this->rePicture->setValue('object_id', $value+0);
}
function getObjectType()
{
return $this->rePicture->getValue('object_type');
}
function setObjectType($value)
{
return $this->rePicture->setValue('object_type', $value+0);
}
function getUserId()
{
if ($this->getObjectType() == OBJECT_CACHE)
return sql_value("SELECT `caches`.`user_id` FROM `caches` WHERE `caches`.`cache_id`='&1'", false, $this->getObjectId());
else if ($this->getObjectType() == OBJECT_CACHELOG)
return sql_value("SELECT `cache_logs`.`user_id` FROM `cache_logs` WHERE `cache_logs`.`id`='&1'", false, $this->getObjectId());
else
return false;
}
function getNode()
{
return $this->rePicture->getValue('node');
}
function setNode($value)
{
return $this->rePicture->setValue('node', $value);
}
function getUUID()
{
return $this->rePicture->getValue('uuid');
}
function getLastModified()
{
return $this->rePicture->getValue('last_modified');
}
function getDateCreated()
{
return $this->rePicture->getValue('date_created');
}
function getAnyChanged()
{
return $this->rePicture->getAnyChanged();
}
// return true if successful (with insert)
function save($restore=false, $original_id=0, $original_url="")
{
$undelete = ($original_id != 0);
if ($undelete)
if ($this->bFilenamesSet == true)
return false;
else
{
// restore picture file
$this->setUrl($original_url); // set the url, so that we can
$filename = $this->getFilename(); // .. retreive the file path+name
$this->setFilenames($filename); // now set url(s) from the new uuid
@rename($this->deleted_filename($filename), $this->getFilename());
}
if ($this->bFilenamesSet == false)
return false;
$this->setArchiveFlag($restore, $original_id);
$bRetVal = $this->rePicture->save();
$this->resetArchiveFlag();
if ($bRetVal)
{
$this->nPictureId = $this->rePicture->getValue('id');
if ($this->getObjectType() == OBJECT_CACHE && $this->getMapPreview())
sql("UPDATE `pictures` SET `mappreview`=0 WHERE `object_type`='&1' AND `object_id`='&2' AND `id`!='&3'",
OBJECT_CACHE, $this->getObjectId(), $this->getPictureId());
sql_slave_exclude();
}
return $bRetVal;
}
function delete($restore=false)
{
// see also removelog.php, 'remove log pictures'
global $opt;
// delete record, image and thumb
$this->setArchiveFlag($restore);
sql("DELETE FROM `pictures` WHERE `id`='&1'", $this->nPictureId);
$this->resetArchiveFlag();
// archive picture if picture record has been archived
if (sql_value("SELECT `id` FROM `pictures_modified` WHERE `id`='&1'",
0, $this->getPictureId()) != 0)
{
$filename = $this->getFilename();
@rename($filename, $this->deleted_filename($filename));
}
else
@unlink($filename);
@unlink($this->getThumbFilename());
return true;
}
private function deleted_filename($filename)
{
$fna = mb_split('\\/',$filename);
$fna[] = end($fna);
$fna[count($fna)-2] = 'deleted';
$dp = "";
foreach ($fna as $fp)
$dp .= "/" . $fp;
return substr($dp,1);
}
function allowEdit()
{
global $login;
$login->verify();
if (sql_value("SELECT COUNT(*) FROM `caches` INNER JOIN `cache_status` ON `caches`.`status`=`cache_status`.`id` WHERE (`cache_status`.`allow_user_view`=1 OR `caches`.`user_id`='&1') AND `caches`.`cache_id`='&2'", 0, $login->userid, $this->getCacheId()) == 0)
return false;
else if ($this->getUserId() == $login->userid)
return true;
return false;
}
}
?>
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