* @link http://status.net/
*/
-if (!defined('STATUSNET') && !defined('LACONICA')) {
- exit(1);
-}
+if (!defined('GNUSOCIAL')) { exit(1); }
class MediaFile
{
var $short_fileurl = null;
var $mimetype = null;
- function __construct(Profile $scoped, $filename = null, $mimetype = null)
+ function __construct(Profile $scoped, $filename = null, $mimetype = null, $filehash = null)
{
$this->scoped = $scoped;
$this->filename = $filename;
$this->mimetype = $mimetype;
+ $this->filehash = $filehash;
$this->fileRecord = $this->storeFile();
- $this->thumbnailRecord = $this->storeThumbnail();
$this->fileurl = common_local_url('attachment',
array('attachment' => $this->fileRecord->id));
$this->maybeAddRedir($this->fileRecord->id, $this->short_fileurl);
}
- function attachToNotice($notice)
+ public function attachToNotice(Notice $notice)
+ {
+ File_to_post::processNew($this->fileRecord, $notice);
+ }
+
+ public function getPath()
{
- File_to_post::processNew($this->fileRecord->id, $notice->id);
- $this->maybeAddRedir($this->fileRecord->id,
- common_local_url('file', array('notice' => $notice->id)));
+ return File::path($this->filename);
}
function shortUrl()
return $this->short_fileurl;
}
+ function getEnclosure()
+ {
+ return $this->getFile()->getEnclosure();
+ }
+
function delete()
{
$filepath = File::path($this->filename);
@unlink($filepath);
}
- function storeFile() {
+ public function getFile()
+ {
+ if (!$this->fileRecord instanceof File) {
+ throw new ServerException('File record did not exist for MediaFile');
+ }
+
+ return $this->fileRecord;
+ }
+
+ protected function storeFile()
+ {
+ $filepath = File::path($this->filename);
+ if (!empty($this->filename) && $this->filehash === null) {
+ // Calculate if we have an older upload method somewhere (Qvitter) that
+ // doesn't do this before calling new MediaFile on its local files...
+ $this->filehash = hash_file(File::FILEHASH_ALG, $filepath);
+ if ($this->filehash === false) {
+ throw new ServerException('Could not read file for hashing');
+ }
+ }
+
+ try {
+ $file = File::getByHash($this->filehash);
+ // We're done here. Yes. Already. We assume sha256 won't collide on us anytime soon.
+ return $file;
+ } catch (NoResultException $e) {
+ // Well, let's just continue below.
+ }
+
+ $fileurl = File::url($this->filename);
$file = new File;
$file->filename = $this->filename;
- $file->url = File::url($this->filename);
- $filepath = File::path($this->filename);
+ $file->urlhash = File::hashurl($fileurl);
+ $file->url = $fileurl;
+ $file->filehash = $this->filehash;
$file->size = filesize($filepath);
+ if ($file->size === false) {
+ throw new ServerException('Could not read file to get its size');
+ }
$file->date = time();
$file->mimetype = $this->mimetype;
+
$file_id = $file->insert();
- if (!$file_id) {
+ if ($file_id===false) {
common_log_db_error($file, "INSERT", __FILE__);
// TRANS: Client exception thrown when a database error was thrown during a file upload operation.
throw new ClientException(_('There was a database error while saving your file. Please try again.'));
}
- return $file;
- }
-
- /**
- * Generate and store a thumbnail image for the uploaded file, if applicable.
- *
- * @return File_thumbnail or null
- */
- function storeThumbnail()
- {
- if (substr($this->mimetype, 0, strlen('image/')) != 'image/') {
- // @fixme video thumbs would be nice!
- return null;
- }
+ // Set file geometrical properties if available
try {
- $image = new ImageFile($this->fileRecord->id,
- File::path($this->filename));
- } catch (Exception $e) {
- // Unsupported image type.
- return null;
+ $image = ImageFile::fromFileObject($file);
+ $orig = clone($file);
+ $file->width = $image->width;
+ $file->height = $image->height;
+ $file->update($orig);
+
+ // We have to cleanup after ImageFile, since it
+ // may have generated a temporary file from a
+ // video support plugin or something.
+ // FIXME: Do this more automagically.
+ if ($image->getPath() != $file->getPath()) {
+ $image->unlink();
+ }
+ } catch (ServerException $e) {
+ // We just couldn't make out an image from the file. This
+ // does not have to be UnsupportedMediaException, as we can
+ // also get ServerException from files not existing etc.
}
- $outname = File::filename($this->scoped, 'thumb-' . $this->filename, $this->mimetype);
- $outpath = File::path($outname);
-
- $maxWidth = common_config('attachments', 'thumb_width');
- $maxHeight = common_config('attachments', 'thumb_height');
- list($width, $height) = $this->scaleToFit($image->width, $image->height, $maxWidth, $maxHeight);
-
- $image->resizeTo($outpath, $width, $height);
- File_thumbnail::saveThumbnail($this->fileRecord->id,
- File::url($outname),
- $width,
- $height);
- }
-
- function scaleToFit($width, $height, $maxWidth, $maxHeight)
- {
- $aspect = $maxWidth / $maxHeight;
- $w1 = $maxWidth;
- $h1 = intval($height * $maxWidth / $width);
- if ($h1 > $maxHeight) {
- $w2 = intval($width * $maxHeight / $height);
- $h2 = $maxHeight;
- return array($w2, $h2);
- }
- return array($w1, $h1);
+ return $file;
}
function rememberFile($file, $short)
function maybeAddRedir($file_id, $url)
{
- $file_redir = File_redirection::getKV('url', $url);
-
- if (empty($file_redir)) {
-
+ try {
+ $file_redir = File_redirection::getByUrl($url);
+ } catch (NoResultException $e) {
$file_redir = new File_redirection;
+ $file_redir->urlhash = File::hashurl($url);
$file_redir->url = $url;
$file_redir->file_id = $file_id;
$result = $file_redir->insert();
- if (!$result) {
+ if ($result===false) {
common_log_db_error($file_redir, "INSERT", __FILE__);
// TRANS: Client exception thrown when a database error was thrown during a file upload operation.
throw new ClientException(_('There was a database error while saving your file. Please try again.'));
}
}
- static function fromUpload($param = 'media', Profile $scoped)
+ static function fromUpload($param='media', Profile $scoped=null)
{
if (is_null($scoped)) {
$scoped = Profile::current();
}
- if (!isset($_FILES[$param]['error'])){
- return;
+ // The existence of the "error" element means PHP has processed it properly even if it was ok.
+ if (!isset($_FILES[$param]) || !isset($_FILES[$param]['error'])) {
+ throw new NoUploadedMediaException($param);
}
switch ($_FILES[$param]['error']) {
- case UPLOAD_ERR_OK: // success, jump out
- break;
- case UPLOAD_ERR_INI_SIZE:
- // TRANS: Client exception thrown when an uploaded file is larger than set in php.ini.
- throw new ClientException(_('The uploaded file exceeds the ' .
- 'upload_max_filesize directive in php.ini.'));
- return;
- case UPLOAD_ERR_FORM_SIZE:
- throw new ClientException(
+ case UPLOAD_ERR_OK: // success, jump out
+ break;
+ case UPLOAD_ERR_INI_SIZE:
+ // TRANS: Client exception thrown when an uploaded file is larger than set in php.ini.
+ throw new ClientException(_('The uploaded file exceeds the ' .
+ 'upload_max_filesize directive in php.ini.'));
+ case UPLOAD_ERR_FORM_SIZE:
+ throw new ClientException(
+ // TRANS: Client exception.
+ _('The uploaded file exceeds the MAX_FILE_SIZE directive' .
+ ' that was specified in the HTML form.'));
+ case UPLOAD_ERR_PARTIAL:
+ @unlink($_FILES[$param]['tmp_name']);
// TRANS: Client exception.
- _('The uploaded file exceeds the MAX_FILE_SIZE directive' .
- ' that was specified in the HTML form.'));
- return;
- case UPLOAD_ERR_PARTIAL:
- @unlink($_FILES[$param]['tmp_name']);
- // TRANS: Client exception.
- throw new ClientException(_('The uploaded file was only' .
- ' partially uploaded.'));
- return;
- case UPLOAD_ERR_NO_FILE:
- // No file; probably just a non-AJAX submission.
- return;
- case UPLOAD_ERR_NO_TMP_DIR:
- // TRANS: Client exception thrown when a temporary folder is not present to store a file upload.
- throw new ClientException(_('Missing a temporary folder.'));
- return;
- case UPLOAD_ERR_CANT_WRITE:
- // TRANS: Client exception thrown when writing to disk is not possible during a file upload operation.
- throw new ClientException(_('Failed to write file to disk.'));
- return;
- case UPLOAD_ERR_EXTENSION:
- // TRANS: Client exception thrown when a file upload operation has been stopped by an extension.
- throw new ClientException(_('File upload stopped by extension.'));
- return;
- default:
- common_log(LOG_ERR, __METHOD__ . ": Unknown upload error " .
- $_FILES[$param]['error']);
- // TRANS: Client exception thrown when a file upload operation has failed with an unknown reason.
- throw new ClientException(_('System error uploading file.'));
- return;
+ throw new ClientException(_('The uploaded file was only' .
+ ' partially uploaded.'));
+ case UPLOAD_ERR_NO_FILE:
+ // No file; probably just a non-AJAX submission.
+ throw new NoUploadedMediaException($param);
+ case UPLOAD_ERR_NO_TMP_DIR:
+ // TRANS: Client exception thrown when a temporary folder is not present to store a file upload.
+ throw new ClientException(_('Missing a temporary folder.'));
+ case UPLOAD_ERR_CANT_WRITE:
+ // TRANS: Client exception thrown when writing to disk is not possible during a file upload operation.
+ throw new ClientException(_('Failed to write file to disk.'));
+ case UPLOAD_ERR_EXTENSION:
+ // TRANS: Client exception thrown when a file upload operation has been stopped by an extension.
+ throw new ClientException(_('File upload stopped by extension.'));
+ default:
+ common_log(LOG_ERR, __METHOD__ . ": Unknown upload error " .
+ $_FILES[$param]['error']);
+ // TRANS: Client exception thrown when a file upload operation has failed with an unknown reason.
+ throw new ClientException(_('System error uploading file.'));
}
- // Throws exception if additional size does not respect quota
- File::respectsQuota($scoped, $_FILES[$param]['size']);
+ // TODO: Make documentation clearer that this won't work for files >2GiB because
+ // PHP is stupid in its 32bit head. But noone accepts 2GiB files with PHP
+ // anyway... I hope.
+ $filehash = hash_file(File::FILEHASH_ALG, $_FILES[$param]['tmp_name']);
- $mimetype = self::getUploadedMimeType($_FILES[$param]['tmp_name'],
- $_FILES[$param]['name']);
-
- $basename = basename($_FILES[$param]['name']);
- $filename = File::filename($scoped, $basename, $mimetype);
- $filepath = File::path($filename);
+ try {
+ $file = File::getByHash($filehash);
+ // If no exception is thrown the file exists locally, so we'll use that and just add redirections.
+ $filename = $file->filename;
+ $mimetype = $file->mimetype;
+
+ } catch (NoResultException $e) {
+ // We have to save the upload as a new local file. This is the normal course of action.
+
+ // Throws exception if additional size does not respect quota
+ // This test is only needed, of course, if we're uploading something new.
+ File::respectsQuota($scoped, $_FILES[$param]['size']);
+
+ $mimetype = self::getUploadedMimeType($_FILES[$param]['tmp_name'], $_FILES[$param]['name']);
+ $basename = basename($_FILES[$param]['name']);
+
+ switch (common_config('attachments', 'filename_base')) {
+ case 'upload':
+ $filename = File::filename($scoped, $basename, $mimetype);
+ break;
+ case 'hash':
+ default:
+ $filename = strtolower($filehash) . '.' . File::guessMimeExtension($mimetype, $basename);
+ }
+ $filepath = File::path($filename);
- $result = move_uploaded_file($_FILES[$param]['tmp_name'], $filepath);
+ $result = move_uploaded_file($_FILES[$param]['tmp_name'], $filepath);
- if (!$result) {
- // TRANS: Client exception thrown when a file upload operation fails because the file could
- // TRANS: not be moved from the temporary folder to the permanent file location.
- throw new ClientException(_('File could not be moved to destination directory.'));
+ if (!$result) {
+ // TRANS: Client exception thrown when a file upload operation fails because the file could
+ // TRANS: not be moved from the temporary folder to the permanent file location.
+ throw new ClientException(_('File could not be moved to destination directory.'));
+ }
}
- return new MediaFile($scoped, $filename, $mimetype);
+ return new MediaFile($scoped, $filename, $mimetype, $filehash);
}
static function fromFilehandle($fh, Profile $scoped) {
-
$stream = stream_get_meta_data($fh);
+ // So far we're only handling filehandles originating from tmpfile(),
+ // so we can always do hash_file on $stream['uri'] as far as I can tell!
+ $filehash = hash_file(File::FILEHASH_ALG, $stream['uri']);
- File::respectsQuota($scoped, filesize($stream['uri']));
+ try {
+ $file = File::getByHash($filehash);
+ // Already have it, so let's reuse the locally stored File
+ // by using getPath we also check whether the file exists
+ // and throw a FileNotFoundException with the path if it doesn't.
+ $filename = basename($file->getPath());
+ $mimetype = $file->mimetype;
+ } catch (FileNotFoundException $e) {
+ // This happens if the file we have uploaded has disappeared
+ // from the local filesystem for some reason. Since we got the
+ // File object from a sha256 check in fromFilehandle, it's safe
+ // to just copy the uploaded data to disk!
+
+ fseek($fh, 0); // just to be sure, go to the beginning
+ // dump the contents of our filehandle to the path from our exception
+ // and report error if it failed.
+ if (false === file_put_contents($e->path, fread($fh, filesize($stream['uri'])))) {
+ // TRANS: Client exception thrown when a file upload operation fails because the file could
+ // TRANS: not be moved from the temporary folder to the permanent file location.
+ throw new ClientException(_('File could not be moved to destination directory.'));
+ }
+ if (!chmod($e->path, 0664)) {
+ common_log(LOG_ERR, 'Could not chmod uploaded file: '._ve($e->path));
+ }
+
+ $filename = basename($file->getPath());
+ $mimetype = $file->mimetype;
- $mimetype = self::getUploadedMimeType($stream['uri']);
+ } catch (NoResultException $e) {
+ File::respectsQuota($scoped, filesize($stream['uri']));
- $filename = File::filename($scoped, "email", $mimetype);
+ $mimetype = self::getUploadedMimeType($stream['uri']);
- $filepath = File::path($filename);
+ switch (common_config('attachments', 'filename_base')) {
+ case 'upload':
+ $filename = File::filename($scoped, "email", $mimetype);
+ break;
+ case 'hash':
+ default:
+ $filename = strtolower($filehash) . '.' . File::guessMimeExtension($mimetype);
+ }
+ $filepath = File::path($filename);
- $result = copy($stream['uri'], $filepath) && chmod($filepath, 0664);
+ $result = copy($stream['uri'], $filepath) && chmod($filepath, 0664);
- if (!$result) {
- // TRANS: Client exception thrown when a file upload operation fails because the file could
- // TRANS: not be moved from the temporary folder to the permanent file location.
- throw new ClientException(_('File could not be moved to destination directory.' .
- $stream['uri'] . ' ' . $filepath));
+ if (!$result) {
+ common_log(LOG_ERR, 'File could not be moved (or chmodded) from '._ve($stream['uri']) . ' to ' . _ve($filepath));
+ // TRANS: Client exception thrown when a file upload operation fails because the file could
+ // TRANS: not be moved from the temporary folder to the permanent file location.
+ throw new ClientException(_('File could not be moved to destination directory.' ));
+ }
}
- return new MediaFile($scoped, $filename, $mimetype);
+ return new MediaFile($scoped, $filename, $mimetype, $filehash);
}
/**
$unclearTypes = array('application/octet-stream',
'application/vnd.ms-office',
'application/zip',
+ 'text/html', // Ironically, Wikimedia Commons' SVG_logo.svg is identified as text/html
// TODO: for XML we could do better content-based sniffing too
'text/xml');