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-rwxr-xr-xlib/preview.php308
1 files changed, 66 insertions, 242 deletions
diff --git a/lib/preview.php b/lib/preview.php
index 245ad64014e..9f4d20b4650 100755
--- a/lib/preview.php
+++ b/lib/preview.php
@@ -55,12 +55,12 @@ class Preview {
* @param string $file The path to the file where you want a thumbnail from
* @param int $maxX The maximum X size of the thumbnail. It can be smaller depending on the shape of the image
* @param int $maxY The maximum Y size of the thumbnail. It can be smaller depending on the shape of the image
- * @param bool $scalingup Disable/Enable upscaling of previews
+ * @param bool $scalingUp Disable/Enable upscaling of previews
* @return mixed (bool / string)
* false if thumbnail does not exist
* path to thumbnail if thumbnail exists
*/
- public function __construct($user='', $root='/', $file='', $maxX=1, $maxY=1, $scalingup=true) {
+ public function __construct($user='', $root='/', $file='', $maxX=1, $maxY=1, $scalingUp=true) {
//set config
$this->configMaxX = \OC_Config::getValue('preview_max_x', null);
$this->configMaxY = \OC_Config::getValue('preview_max_y', null);
@@ -70,11 +70,11 @@ class Preview {
$this->setFile($file);
$this->setMaxX($maxX);
$this->setMaxY($maxY);
- $this->setScalingUp($scalingup);
+ $this->setScalingUp($scalingUp);
//init fileviews
if($user === ''){
- $user = OC_User::getUser();
+ $user = \OC_User::getUser();
}
$this->fileview = new \OC\Files\View('/' . $user . '/' . $root);
$this->userview = new \OC\Files\View('/' . $user);
@@ -120,7 +120,7 @@ class Preview {
* @brief returns whether or not scalingup is enabled
* @return bool
*/
- public function getScalingup() {
+ public function getScalingUp() {
return $this->scalingup;
}
@@ -172,8 +172,8 @@ class Preview {
* @return $this
*/
public function setMaxX($maxX=1) {
- if($maxX === 0) {
- throw new \Exception('Cannot set width of 0!');
+ if($maxX <= 0) {
+ throw new \Exception('Cannot set width of 0 or smaller!');
}
$configMaxX = $this->getConfigMaxX();
if(!is_null($configMaxX)) {
@@ -192,8 +192,8 @@ class Preview {
* @return $this
*/
public function setMaxY($maxY=1) {
- if($maxY === 0) {
- throw new \Exception('Cannot set height of 0!');
+ if($maxY <= 0) {
+ throw new \Exception('Cannot set height of 0 or smaller!');
}
$configMaxY = $this->getConfigMaxY();
if(!is_null($configMaxY)) {
@@ -208,14 +208,14 @@ class Preview {
/**
* @brief set whether or not scalingup is enabled
- * @param bool $scalingup
+ * @param bool $scalingUp
* @return $this
*/
- public function setScalingup($scalingup) {
+ public function setScalingup($scalingUp) {
if($this->getMaxScaleFactor() === 1) {
- $scalingup = false;
+ $scalingUp = false;
}
- $this->scalingup = $scalingup;
+ $this->scalingup = $scalingUp;
return $this;
}
@@ -245,12 +245,12 @@ class Preview {
public function deletePreview() {
$file = $this->getFile();
- $fileinfo = $this->fileview->getFileInfo($file);
- $fileid = $fileinfo['fileid'];
+ $fileInfo = $this->fileview->getFileInfo($file);
+ $fileId = $fileInfo['fileid'];
- $previewpath = $this->getThumbnailsFolder() . '/' . $fileid . '/' . $this->getMaxX() . '-' . $this->getMaxY() . '.png';
- $this->userview->unlink($previewpath);
- return !$this->userview->file_exists($previewpath);
+ $previewPath = $this->getThumbnailsFolder() . '/' . $fileId . '/' . $this->getMaxX() . '-' . $this->getMaxY() . '.png';
+ $this->userview->unlink($previewPath);
+ return !$this->userview->file_exists($previewPath);
}
/**
@@ -260,13 +260,13 @@ class Preview {
public function deleteAllPreviews() {
$file = $this->getFile();
- $fileinfo = $this->fileview->getFileInfo($file);
- $fileid = $fileinfo['fileid'];
+ $fileInfo = $this->fileview->getFileInfo($file);
+ $fileId = $fileInfo['fileid'];
- $previewpath = $this->getThumbnailsFolder() . '/' . $fileid . '/';
- $this->userview->deleteAll($previewpath);
- $this->userview->rmdir($previewpath);
- return !$this->userview->is_dir($previewpath);
+ $previewPath = $this->getThumbnailsFolder() . '/' . $fileId . '/';
+ $this->userview->deleteAll($previewPath);
+ $this->userview->rmdir($previewPath);
+ return !$this->userview->is_dir($previewPath);
}
/**
@@ -279,45 +279,45 @@ class Preview {
$file = $this->getFile();
$maxX = $this->getMaxX();
$maxY = $this->getMaxY();
- $scalingup = $this->getScalingup();
+ $scalingUp = $this->getScalingUp();
$maxscalefactor = $this->getMaxScaleFactor();
- $fileinfo = $this->fileview->getFileInfo($file);
- $fileid = $fileinfo['fileid'];
+ $fileInfo = $this->fileview->getFileInfo($file);
+ $fileId = $fileInfo['fileid'];
- if(is_null($fileid)) {
+ if(is_null($fileId)) {
return false;
}
- $previewpath = $this->getThumbnailsFolder() . '/' . $fileid . '/';
- if(!$this->userview->is_dir($previewpath)) {
+ $previewPath = $this->getThumbnailsFolder() . '/' . $fileId . '/';
+ if(!$this->userview->is_dir($previewPath)) {
return false;
}
//does a preview with the wanted height and width already exist?
- if($this->userview->file_exists($previewpath . $maxX . '-' . $maxY . '.png')) {
- return $previewpath . $maxX . '-' . $maxY . '.png';
+ if($this->userview->file_exists($previewPath . $maxX . '-' . $maxY . '.png')) {
+ return $previewPath . $maxX . '-' . $maxY . '.png';
}
- $wantedaspectratio = (float) ($maxX / $maxY);
+ $wantedAspectRatio = (float) ($maxX / $maxY);
//array for usable cached thumbnails
- $possiblethumbnails = array();
+ $possibleThumbnails = array();
- $allthumbnails = $this->userview->getDirectoryContent($previewpath);
- foreach($allthumbnails as $thumbnail) {
+ $allThumbnails = $this->userview->getDirectoryContent($previewPath);
+ foreach($allThumbnails as $thumbnail) {
$name = rtrim($thumbnail['name'], '.png');
$size = explode('-', $name);
$x = (int) $size[0];
$y = (int) $size[1];
- $aspectratio = (float) ($x / $y);
- if($aspectratio !== $wantedaspectratio) {
+ $aspectRatio = (float) ($x / $y);
+ if($aspectRatio !== $wantedAspectRatio) {
continue;
}
if($x < $maxX || $y < $maxY) {
- if($scalingup) {
+ if($scalingUp) {
$scalefactor = $maxX / $x;
if($scalefactor > $maxscalefactor) {
continue;
@@ -326,28 +326,28 @@ class Preview {
continue;
}
}
- $possiblethumbnails[$x] = $thumbnail['path'];
+ $possibleThumbnails[$x] = $thumbnail['path'];
}
- if(count($possiblethumbnails) === 0) {
+ if(count($possibleThumbnails) === 0) {
return false;
}
- if(count($possiblethumbnails) === 1) {
- return current($possiblethumbnails);
+ if(count($possibleThumbnails) === 1) {
+ return current($possibleThumbnails);
}
- ksort($possiblethumbnails);
+ ksort($possibleThumbnails);
- if(key(reset($possiblethumbnails)) > $maxX) {
- return current(reset($possiblethumbnails));
+ if(key(reset($possibleThumbnails)) > $maxX) {
+ return current(reset($possibleThumbnails));
}
- if(key(end($possiblethumbnails)) < $maxX) {
- return current(end($possiblethumbnails));
+ if(key(end($possibleThumbnails)) < $maxX) {
+ return current(end($possibleThumbnails));
}
- foreach($possiblethumbnails as $width => $path) {
+ foreach($possibleThumbnails as $width => $path) {
if($width < $maxX) {
continue;
}else{
@@ -358,7 +358,7 @@ class Preview {
/**
* @brief return a preview of a file
- * @return image
+ * @return \OC_Image
*/
public function getPreview() {
if(!is_null($this->preview) && $this->preview->valid()){
@@ -369,10 +369,10 @@ class Preview {
$file = $this->getFile();
$maxX = $this->getMaxX();
$maxY = $this->getMaxY();
- $scalingup = $this->getScalingup();
+ $scalingUp = $this->getScalingUp();
- $fileinfo = $this->fileview->getFileInfo($file);
- $fileid = $fileinfo['fileid'];
+ $fileInfo = $this->fileview->getFileInfo($file);
+ $fileId = $fileInfo['fileid'];
$cached = $this->isCached();
@@ -386,12 +386,12 @@ class Preview {
$mimetype = $this->fileview->getMimeType($file);
$preview = null;
- foreach(self::$providers as $supportedmimetype => $provider) {
- if(!preg_match($supportedmimetype, $mimetype)) {
+ foreach(self::$providers as $supportedMimetype => $provider) {
+ if(!preg_match($supportedMimetype, $mimetype)) {
continue;
}
- $preview = $provider->getThumbnail($file, $maxX, $maxY, $scalingup, $this->fileview);
+ $preview = $provider->getThumbnail($file, $maxX, $maxY, $scalingUp, $this->fileview);
if(!($preview instanceof \OC_Image)) {
continue;
@@ -400,18 +400,18 @@ class Preview {
$this->preview = $preview;
$this->resizeAndCrop();
- $previewpath = $this->getThumbnailsFolder() . '/' . $fileid . '/';
- $cachepath = $previewpath . $maxX . '-' . $maxY . '.png';
+ $previewPath = $this->getThumbnailsFolder() . '/' . $fileId . '/';
+ $cachePath = $previewPath . $maxX . '-' . $maxY . '.png';
if($this->userview->is_dir($this->getThumbnailsFolder() . '/') === false) {
$this->userview->mkdir($this->getThumbnailsFolder() . '/');
}
- if($this->userview->is_dir($previewpath) === false) {
- $this->userview->mkdir($previewpath);
+ if($this->userview->is_dir($previewPath) === false) {
+ $this->userview->mkdir($previewPath);
}
- $this->userview->file_put_contents($cachepath, $preview->data());
+ $this->userview->file_put_contents($cachePath, $preview->data());
break;
}
@@ -447,13 +447,13 @@ class Preview {
/**
* @brief resize, crop and fix orientation
- * @return image
+ * @return void
*/
private function resizeAndCrop() {
$image = $this->preview;
$x = $this->getMaxX();
$y = $this->getMaxY();
- $scalingup = $this->getScalingup();
+ $scalingUp = $this->getScalingUp();
$maxscalefactor = $this->getMaxScaleFactor();
if(!($image instanceof \OC_Image)) {
@@ -480,7 +480,7 @@ class Preview {
$factor = $factorY;
}
- if($scalingup === false) {
+ if($scalingUp === false) {
if($factor > 1) {
$factor = 1;
}
@@ -583,182 +583,6 @@ class Preview {
array_multisort($keys, SORT_DESC, self::$providers);
}
- /**
- * @brief method that handles preview requests from users that are logged in
- * @return void
- */
- public static function previewRouter() {
- \OC_Util::checkLoggedIn();
-
- $file = array_key_exists('file', $_GET) ? (string) urldecode($_GET['file']) : '';
- $maxX = array_key_exists('x', $_GET) ? (int) $_GET['x'] : '36';
- $maxY = array_key_exists('y', $_GET) ? (int) $_GET['y'] : '36';
- $scalingup = array_key_exists('scalingup', $_GET) ? (bool) $_GET['scalingup'] : true;
-
- if($file === '') {
- \OC_Response::setStatus(400); //400 Bad Request
- \OC_Log::write('core-preview', 'No file parameter was passed', \OC_Log::DEBUG);
- self::showErrorPreview();
- exit;
- }
-
- if($maxX === 0 || $maxY === 0) {
- \OC_Response::setStatus(400); //400 Bad Request
- \OC_Log::write('core-preview', 'x and/or y set to 0', \OC_Log::DEBUG);
- self::showErrorPreview();
- exit;
- }
-
- try{
- $preview = new Preview(\OC_User::getUser(), 'files');
- $preview->setFile($file);
- $preview->setMaxX($maxX);
- $preview->setMaxY($maxY);
- $preview->setScalingUp($scalingup);
-
- $preview->show();
- }catch(\Exception $e) {
- \OC_Response::setStatus(500);
- \OC_Log::write('core', $e->getmessage(), \OC_Log::ERROR);
- self::showErrorPreview();
- exit;
- }
- }
-
- /**
- * @brief method that handles preview requests from users that are not logged in / view shared folders that are public
- * @return void
- */
- public static function publicPreviewRouter() {
- if(!\OC_App::isEnabled('files_sharing')){
- exit;
- }
-
- $file = array_key_exists('file', $_GET) ? (string) urldecode($_GET['file']) : '';
- $maxX = array_key_exists('x', $_GET) ? (int) $_GET['x'] : '36';
- $maxY = array_key_exists('y', $_GET) ? (int) $_GET['y'] : '36';
- $scalingup = array_key_exists('scalingup', $_GET) ? (bool) $_GET['scalingup'] : true;
- $token = array_key_exists('t', $_GET) ? (string) $_GET['t'] : '';
-
- if($token === ''){
- \OC_Response::setStatus(400); //400 Bad Request
- \OC_Log::write('core-preview', 'No token parameter was passed', \OC_Log::DEBUG);
- self::showErrorPreview();
- exit;
- }
-
- $linkedItem = \OCP\Share::getShareByToken($token);
- if($linkedItem === false || ($linkedItem['item_type'] !== 'file' && $linkedItem['item_type'] !== 'folder')) {
- \OC_Response::setStatus(404);
- \OC_Log::write('core-preview', 'Passed token parameter is not valid', \OC_Log::DEBUG);
- self::showErrorPreview();
- exit;
- }
-
- if(!isset($linkedItem['uid_owner']) || !isset($linkedItem['file_source'])) {
- \OC_Response::setStatus(500);
- \OC_Log::write('core-preview', 'Passed token seems to be valid, but it does not contain all necessary information . ("' . $token . '")');
- self::showErrorPreview();
- exit;
- }
-
- $userid = $linkedItem['uid_owner'];
- \OC_Util::setupFS($userid);
-
- $pathid = $linkedItem['file_source'];
- $path = \OC\Files\Filesystem::getPath($pathid);
- $pathinfo = \OC\Files\Filesystem::getFileInfo($path);
- $sharedfile = null;
-
- if($linkedItem['item_type'] === 'folder') {
- $isvalid = \OC\Files\Filesystem::isValidPath($file);
- if(!$isvalid) {
- \OC_Response::setStatus(400); //400 Bad Request
- \OC_Log::write('core-preview', 'Passed filename is not valid, might be malicious (file:"' . $file . '";ip:"' . $_SERVER['REMOTE_ADDR'] . '")', \OC_Log::WARN);
- self::showErrorPreview();
- exit;
- }
- $sharedfile = \OC\Files\Filesystem::normalizePath($file);
- }
-
- if($linkedItem['item_type'] === 'file') {
- $parent = $pathinfo['parent'];
- $path = \OC\Files\Filesystem::getPath($parent);
- $sharedfile = $pathinfo['name'];
- }
-
- $path = \OC\Files\Filesystem::normalizePath($path, false);
- if(substr($path, 0, 1) === '/') {
- $path = substr($path, 1);
- }
-
- if($maxX === 0 || $maxY === 0) {
- \OC_Response::setStatus(400); //400 Bad Request
- \OC_Log::write('core-preview', 'x and/or y set to 0', \OC_Log::DEBUG);
- self::showErrorPreview();
- exit;
- }
-
- $root = 'files/' . $path;
-
- try{
- $preview = new Preview($userid, $root);
- $preview->setFile($file);
- $preview->setMaxX($maxX);
- $preview->setMaxY($maxY);
- $preview->setScalingUp($scalingup);
-
- $preview->show();
- }catch(\Exception $e) {
- \OC_Response::setStatus(500);
- \OC_Log::write('core', $e->getmessage(), \OC_Log::ERROR);
- self::showErrorPreview();
- exit;
- }
- }
-
- public static function trashbinPreviewRouter() {
- \OC_Util::checkLoggedIn();
-
- if(!\OC_App::isEnabled('files_trashbin')){
- exit;
- }
-
- $file = array_key_exists('file', $_GET) ? (string) urldecode($_GET['file']) : '';
- $maxX = array_key_exists('x', $_GET) ? (int) $_GET['x'] : '44';
- $maxY = array_key_exists('y', $_GET) ? (int) $_GET['y'] : '44';
- $scalingup = array_key_exists('scalingup', $_GET) ? (bool) $_GET['scalingup'] : true;
-
- if($file === '') {
- \OC_Response::setStatus(400); //400 Bad Request
- \OC_Log::write('core-preview', 'No file parameter was passed', \OC_Log::DEBUG);
- self::showErrorPreview();
- exit;
- }
-
- if($maxX === 0 || $maxY === 0) {
- \OC_Response::setStatus(400); //400 Bad Request
- \OC_Log::write('core-preview', 'x and/or y set to 0', \OC_Log::DEBUG);
- self::showErrorPreview();
- exit;
- }
-
- try{
- $preview = new Preview(\OC_User::getUser(), 'files_trashbin/files');
- $preview->setFile($file);
- $preview->setMaxX($maxX);
- $preview->setMaxY($maxY);
- $preview->setScalingUp($scalingup);
-
- $preview->showPreview();
- }catch(\Exception $e) {
- \OC_Response::setStatus(500);
- \OC_Log::write('core', $e->getmessage(), \OC_Log::ERROR);
- self::showErrorPreview();
- exit;
- }
- }
-
public static function post_write($args) {
self::post_delete($args);
}
@@ -780,8 +604,8 @@ class Preview {
//remove last element because it has the mimetype *
$providers = array_slice(self::$providers, 0, -1);
- foreach($providers as $supportedmimetype => $provider) {
- if(preg_match($supportedmimetype, $mimetype)) {
+ foreach($providers as $supportedMimetype => $provider) {
+ if(preg_match($supportedMimetype, $mimetype)) {
return true;
}
}
generated by cgit v1.2.3 (git 2.39.1) at 2025-02-14 18:52:41 +0000