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- <?php
- defined('GNUSOCIAL') || die();
- class File_thumbnail extends Managed_DataObject
- {
- public $__table = 'file_thumbnail';
- public $file_id;
- public $urlhash;
- public $url;
- public $filename;
- public $width;
- public $height;
- public $modified;
- const URLHASH_ALG = 'sha256';
- public static function schemaDef()
- {
- return array(
- 'fields' => array(
- 'file_id' => array('type' => 'int', 'not null' => true, 'description' => 'thumbnail for what URL/file'),
- 'urlhash' => array('type' => 'varchar', 'length' => 64, 'description' => 'sha256 of url field if non-empty'),
- 'url' => array('type' => 'text', 'description' => 'URL of thumbnail'),
- 'filename' => array('type' => 'text', 'description' => 'if stored locally, filename is put here'),
- 'width' => array('type' => 'int', 'not null' => true, 'description' => 'width of thumbnail'),
- 'height' => array('type' => 'int', 'not null' => true, 'description' => 'height of thumbnail'),
- 'modified' => array('type' => 'timestamp', 'not null' => true, 'description' => 'date this record was modified'),
- ),
- 'primary key' => array('file_id', 'width', 'height'),
- 'indexes' => array(
- 'file_thumbnail_urlhash_idx' => array('urlhash'),
- ),
- 'foreign keys' => array(
- 'file_thumbnail_file_id_fkey' => array('file', array('file_id' => 'id')),
- )
- );
- }
-
- public static function saveNew($data, $file_id)
- {
- if (!empty($data->thumbnail_url)) {
-
-
- self::saveThumbnail(
- $file_id,
- $data->thumbnail_url,
- $data->thumbnail_width,
- $data->thumbnail_height
- );
- } elseif ($data->type == 'photo') {
-
-
- self::saveThumbnail(
- $file_id,
- $data->url,
- $data->width,
- $data->height
- );
- }
- }
-
- public static function byFile(File $file, $notNullUrl = true)
- {
- $thumb = new File_thumbnail();
- $thumb->file_id = $file->getID();
- if ($notNullUrl) {
- $thumb->whereAdd('url IS NOT NULL');
- }
- $thumb->orderBy('modified ASC');
- $thumb->limit(1);
- if (!$thumb->find(true)) {
- throw new NoResultException($thumb);
- }
- return $thumb;
- }
-
- public static function saveThumbnail($file_id, $url, $width, $height, $filename = null)
- {
- $tn = new File_thumbnail;
- $tn->file_id = $file_id;
- $tn->url = $url;
- $tn->filename = $filename;
- $tn->width = intval($width);
- $tn->height = intval($height);
- $tn->insert();
- return $tn;
- }
- public static function path($filename)
- {
- File::tryFilename($filename);
-
- $dir = common_config('thumbnail', 'dir');
- if (!in_array($dir[mb_strlen($dir)-1], ['/', '\\'])) {
- $dir .= DIRECTORY_SEPARATOR;
- }
- return $dir . $filename;
- }
- public static function url($filename)
- {
- File::tryFilename($filename);
-
- $path = common_config('thumbnail', 'path');
- if (empty($path)) {
- return File::url('thumb')."/{$filename}";
- }
- $protocol = (GNUsocial::useHTTPS() ? 'https' : 'http');
- $server = common_config('thumbnail', 'server') ?: common_config('site', 'server');
- if ($path[mb_strlen($path)-1] != '/') {
- $path .= '/';
- }
- if ($path[0] != '/') {
- $path = '/'.$path;
- }
- return $protocol.'://'.$server.$path.$filename;
- }
- public function getFilename()
- {
- return File::tryFilename($this->filename);
- }
-
- public function getPath()
- {
- $oldpath = File::path($this->getFilename());
- $thumbpath = self::path($this->getFilename());
-
-
- if (file_exists($oldpath) && !file_exists($thumbpath)) {
- try {
-
- $file_filename = $this->getFile()->getFilename();
- } catch (NoResultException $e) {
-
- throw new FileNotFoundException($thumbpath);
- } catch (InvalidFilenameException $e) {
-
-
-
- $file_filename = null;
- }
- if ($this->getFilename() === $file_filename) {
-
- common_debug('File filename and File_thumbnail filename match on '.$this->file_id.', copying instead');
- copy($oldpath, $thumbpath);
- } elseif (!rename($oldpath, $thumbpath)) {
- common_log(LOG_ERR, 'Could not move thumbnail from '._ve($oldpath).' to '._ve($thumbpath));
- throw new ServerException('Could not move thumbnail from old path to new path.');
- } else {
- common_log(LOG_DEBUG, 'Moved thumbnail '.$this->file_id.' from '._ve($oldpath).' to '._ve($thumbpath));
- }
- } elseif (!file_exists($thumbpath)) {
- throw new FileNotFoundException($thumbpath);
- }
- return $thumbpath;
- }
- public function getUrl()
- {
- if (!empty($this->filename) || $this->getFile()->isLocal()) {
-
- $url = common_local_url('attachment_thumbnail', array('attachment'=>$this->file_id));
- if (strpos($url, '?') === false) {
- $url .= '?';
- }
- return $url . http_build_query(array('w'=>$this->width, 'h'=>$this->height));
- }
-
- return $this->url;
- }
- public function getHeight()
- {
- return $this->height;
- }
- public function getWidth()
- {
- return $this->width;
- }
-
- public function getHtmlAttrs(array $orig=array(), $overwrite=true)
- {
- $attrs = [ 'height' => $this->getHeight(),
- 'width' => $this->getWidth(),
- 'src' => $this->getUrl() ];
- return $overwrite ? array_merge($orig, $attrs) : array_merge($attrs, $orig);
- }
- public function delete($useWhere=false)
- {
- try {
- $thumbpath = self::path($this->getFilename());
-
- $deleted = !file_exists($thumbpath) || @unlink($thumbpath);
- if (!$deleted) {
- common_log(LOG_ERR, 'Could not unlink existing thumbnail file: '._ve($thumbpath));
- }
- } catch (InvalidFilenameException $e) {
- common_log(LOG_ERR, 'Deleting object but not attempting deleting file: '._ve($e->getMessage()));
- }
- return parent::delete($useWhere);
- }
- public function getFile()
- {
- return File::getByID($this->file_id);
- }
- public function getFileId()
- {
- return $this->file_id;
- }
- public static function hashurl($url)
- {
- if (!mb_strlen($url)) {
- throw new Exception('No URL provided to hash algorithm.');
- }
- return hash(self::URLHASH_ALG, $url);
- }
- public function onInsert()
- {
- $this->setUrlhash();
- }
- public function onUpdate($dataObject=false)
- {
-
- if (!$dataObject instanceof Managed_DataObject || $this->url !== $dataObject->url) {
- $this->setUrlhash();
- }
- }
- public function setUrlhash()
- {
- $this->urlhash = mb_strlen($this->url)>0 ? self::hashurl($this->url) : null;
- }
- }
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