{
public $__table = 'file_thumbnail'; // table name
public $file_id; // int(4) primary_key not_null
- public $url; // varchar(191) unique_key not 255 because utf8mb4 takes more space
- public $filename; // varchar(191) not 255 because utf8mb4 takes more space
+ public $urlhash; // varchar(64) indexed
+ public $url; // text
+ public $filename; // text
public $width; // int(4) primary_key
public $height; // int(4) primary_key
public $modified; // timestamp() not_null default_CURRENT_TIMESTAMP
+ 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'),
- 'url' => array('type' => 'varchar', 'length' => 191, 'description' => 'URL of thumbnail'),
- 'filename' => array('type' => 'varchar', 'length' => 191, 'description' => 'if stored locally, filename is put here'),
+ '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', 'description' => 'width of thumbnail'),
'height' => array('type' => 'int', '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_file_id_idx' => array('file_id'),
+ 'file_thumbnail_urlhash_idx' => array('urlhash'),
),
'foreign keys' => array(
'file_thumbnail_file_id_fkey' => array('file', array('file_id' => 'id')),
/**
* Fetch an entry by using a File's id
+ *
+ * @param File $file The File object we're getting a thumbnail for.
+ * @param boolean $notNullUrl Originally remote thumbnails have a URL stored, we use this to find the "original"
+ *
+ * @return File_thumbnail
+ * @throws NoResultException if no File_thumbnail matched the criteria
*/
- static function byFile(File $file) {
- $file_thumbnail = self::getKV('file_id', $file->id);
- if (!$file_thumbnail instanceof File_thumbnail) {
- throw new ServerException(sprintf('No File_thumbnail entry for File id==%u', $file->id));
+ 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'); // the first created, a somewhat ugly hack
+ $thumb->limit(1);
+ if (!$thumb->find(true)) {
+ throw new NoResultException($thumb);
}
- return $file_thumbnail;
+ return $thumb;
}
/**
static function path($filename)
{
- // TODO: Store thumbnails in their own directory and don't use File::path here
- return File::path($filename);
+ File::tryFilename($filename);
+
+ // NOTE: If this is left empty in default config, it will be set to File::path('thumb')
+ $dir = common_config('thumbnail', 'dir');
+
+ if (!in_array($dir[mb_strlen($dir)-1], ['/', '\\'])) {
+ $dir .= DIRECTORY_SEPARATOR;
+ }
+
+ return $dir . $filename;
+ }
+
+ static function url($filename)
+ {
+ File::tryFilename($filename);
+
+ // FIXME: private site thumbnails?
+
+ $path = common_config('thumbnail', 'path');
+ if (empty($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($this->filename);
}
+ /**
+ *
+ * @return string full filesystem path to the locally stored thumbnail file
+ * @throws
+ */
public function getPath()
{
- return self::path($this->filename);
+ $oldpath = File::path($this->getFilename());
+ $thumbpath = self::path($this->getFilename());
+
+ // If we have a file in our old thumbnail storage path, move (or copy) it to the new one
+ // (if the if/elseif don't match, we have a $thumbpath just as we should and can return it)
+ if (file_exists($oldpath) && !file_exists($thumbpath)) {
+ try {
+ // let's get the filename of the File, to check below if it happens to be identical
+ $file_filename = $this->getFile()->getFilename();
+ } catch (NoResultException $e) {
+ // reasonably the function calling us will handle the following as "File_thumbnail entry should be deleted"
+ throw new FileNotFoundException($thumbpath);
+ } catch (InvalidFilenameException $e) {
+ // invalid filename in getFile()->getFilename(), just
+ // means the File object isn't stored locally and that
+ // means it's safe to move it below.
+ $file_filename = null;
+ }
+
+ if ($this->getFilename() === $file_filename) {
+ // special case where thumbnail file exactly matches stored File filename
+ common_debug('File filename and File_thumbnail filename match on '.$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->getFile()->filename)) {
- // A locally stored File, so let's generate a URL for our instance.
- $url = File::url($this->filename);
- if ($url != $this->url) {
- // For indexing purposes, in case we do a lookup on the 'url' field.
- // also we're fixing possible changes from http to https, or paths
- $this->updateUrl($url);
+ if (!empty($this->filename) || $this->getFile()->isLocal()) {
+ // A locally stored File, so we can dynamically generate a URL.
+ $url = common_local_url('attachment_thumbnail', array('attachment'=>$this->file_id));
+ if (strpos($url, '?') === false) {
+ $url .= '?';
}
- return $url;
+ return $url . http_build_query(array('w'=>$this->width, 'h'=>$this->height));
}
- // No local filename available, return the URL we have stored
+ // No local filename available, return the remote URL we have stored
return $this->url;
}
- public function updateUrl($url)
+ public function getHeight()
{
- $file = File_thumbnail::getKV('url', $url);
- if ($file instanceof File_thumbnail) {
- throw new ServerException('URL already exists in DB');
- }
- $sql = 'UPDATE %1$s SET url=%2$s WHERE url=%3$s;';
- $result = $this->query(sprintf($sql, $this->__table,
- $this->_quote((string)$url),
- $this->_quote((string)$this->url)));
- if ($result === false) {
- common_log_db_error($this, 'UPDATE', __FILE__);
- throw new ServerException("Could not UPDATE {$this->__table}.url");
- }
+ return $this->height;
+ }
+
+ public function getWidth()
+ {
+ return $this->width;
+ }
- return $result;
+ /**
+ * @throws UseFileAsThumbnailException from File_thumbnail->getUrl() for stuff like animated GIFs
+ */
+ 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)
{
- if (!empty($this->filename) && file_exists(File_thumbnail::path($this->filename))) {
- $deleted = @unlink(self::path($this->filename));
+ try {
+ $thumbpath = self::path($this->getFilename());
+ // if file does not exist, try to delete it
+ $deleted = !file_exists($thumbpath) || @unlink($thumbpath);
if (!$deleted) {
- common_log(LOG_ERR, sprintf('Could not unlink existing file: "%s"', self::path($this->filename)));
+ common_log(LOG_ERR, 'Could not unlink existing thumbnail file: '._ve($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()
{
- $file = new File();
- $file->id = $this->file_id;
- if (!$file->find(true)) {
- throw new NoResultException($file);
+ return File::getByID($this->file_id);
+ }
+
+ public function getFileId()
+ {
+ return $this->file_id;
+ }
+
+ static public function hashurl($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 we have nothing to compare with OR it has changed from previous entry
+ if (!$dataObject instanceof Managed_DataObject || $this->url !== $dataObject->url) {
+ $this->setUrlhash();
}
- return $file;
+ }
+
+ public function setUrlhash()
+ {
+ $this->urlhash = mb_strlen($this->url)>0 ? self::hashurl($this->url) : null;
}
}
projects / quix0rs-gnu-social.git / blobdiff