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->fileurl = common_local_url('attachment',
public function attachToNotice(Notice $notice)
{
- File_to_post::processNew($this->fileRecord->id, $notice->id);
+ File_to_post::processNew($this->fileRecord, $notice);
}
public function getPath()
return $this->short_fileurl;
}
+ function getEnclosure()
+ {
+ return $this->getFile()->getEnclosure();
+ }
+
function delete()
{
$filepath = File::path($this->filename);
@unlink($filepath);
}
+ public function getFile()
+ {
+ if (!$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===false) {
function maybeAddRedir($file_id, $url)
{
- $file_redir = File_redirection::getKV('url', $url);
-
- if (!$file_redir instanceof File_redirection) {
+ 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 = $file_id;
}
}
- static function fromUpload($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']) {
' partially uploaded.'));
case UPLOAD_ERR_NO_FILE:
// No file; probably just a non-AJAX submission.
- return;
+ throw new NoUploadedMediaException($param);
case UPLOAD_ERR_NO_TMP_DIR:
// TRANS: Client exception thrown when a temporary folder is not present to store a file upload.
throw new ClientException(_('Missing a temporary folder.'));
throw new ClientException(_('System error uploading file.'));
}
- // Throws exception if additional size does not respect quota
- File::respectsQuota($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']);
+
+ 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;
- $mimetype = self::getUploadedMimeType($_FILES[$param]['tmp_name'],
- $_FILES[$param]['name']);
+ } catch (NoResultException $e) {
+ // We have to save the upload as a new local file. This is the normal course of action.
- $basename = basename($_FILES[$param]['name']);
- $filename = File::filename($scoped, $basename, $mimetype);
- $filepath = File::path($filename);
+ // 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']);
- $result = move_uploaded_file($_FILES[$param]['tmp_name'], $filepath);
+ $mimetype = self::getUploadedMimeType($_FILES[$param]['tmp_name'], $_FILES[$param]['name']);
- 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.'));
+ switch (common_config('attachments', 'filename_base')) {
+ case 'upload':
+ $basename = basename($_FILES[$param]['name']);
+ $filename = File::filename($scoped, $basename, $mimetype);
+ break;
+ case 'hash':
+ default:
+ $filename = strtolower($filehash) . '.' . File::guessMimeExtension($mimetype);
+ }
+ $filepath = File::path($filename);
+
+ $result = move_uploaded_file($_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.'));
+ }
}
- 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']));
-
- $mimetype = self::getUploadedMimeType($stream['uri']);
-
- $filename = File::filename($scoped, "email", $mimetype);
-
- $filepath = File::path($filename);
+ try {
+ $file = File::getByHash($filehash);
+ // Already have it, so let's reuse the locally stored File
+ $filename = $file->filename;
+ $mimetype = $file->mimetype;
+ } catch (NoResultException $e) {
+ File::respectsQuota($scoped, filesize($stream['uri']));
+
+ $mimetype = self::getUploadedMimeType($stream['uri']);
+
+ 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) {
+ // 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'] . ' ' . $filepath));
+ }
}
- return new MediaFile($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');