/**
* process attachments by saving into media directory and optionally creating image tag in post
*
* @param string message content that is optionally manipulated by adding image tags (by reference)
* @param array $mailAttachments array containing path to attachment files
* @param string $mediadir path to media directory of blog as seen by file system
* @param string $media_url url to media directory as seen by user
* @param bool $add_img_tags should img tags be added to the post (instead of linking through the file manager)
* @param string $type defines attachment type: 'attach' or 'related'
*/
function pbm_process_attachments(&$content, $mailAttachments, $mediadir, $media_url, $add_img_tags = true, $type = 'attach')
{
global $Settings, $pbm_item_files, $filename_max_length;
pbm_msg('<h4>Processing attachments</h4>');
foreach ($mailAttachments as $attachment) {
if (isset($attachment['FileName'])) {
$filename = trim(evo_strtolower($attachment['FileName']));
} else {
// Related attachments may not have file name, we'll generate one below
$filename = '';
}
if ($filename == '') {
$filename = 'upload_' . uniqid() . '.' . $attachment['SubType'];
pbm_msg(sprintf('Attachment without name. Using "%s".', htmlspecialchars($filename)));
}
// Check valid filename/extension: (includes check for locked filenames)
if ($error_filename = process_filename($filename, true)) {
pbm_msg('Invalid filename: ' . $error_filename);
continue;
}
// If file exists count up a number
$cnt = 0;
$prename = substr($filename, 0, strrpos($filename, '.')) . '-';
$sufname = strrchr($filename, '.');
$error_in_filename = false;
while (file_exists($mediadir . $filename)) {
$filename = $prename . $cnt . $sufname;
if (strlen($filename) > $filename_max_length) {
// This is a special case, when the filename is longer then the maximum allowed
// Cut as many characters as required before the counter on the file name
$filename = fix_filename_length($filename, strlen($prename) - 1);
if ($error_in_filename = process_filename($filename, true)) {
// The file name is not valid, this is an unexpected situation, because the file name was already validated before
pbm_msg('Invalid filename: ' . $error_filename);
break;
}
}
++$cnt;
}
if ($error_in_filename) {
// Don't create file with invalid file name
continue;
}
pbm_msg(sprintf('New file name is <b>%s</b>', $filename));
$imginfo = NULL;
if (!$Settings->get('eblog_test_mode')) {
pbm_msg('Saving file to: ' . htmlspecialchars($mediadir . $filename));
if (!copy($attachment['DataFile'], $mediadir . $filename)) {
pbm_msg('Unable to copy uploaded file to ' . htmlspecialchars($mediadir . $filename));
continue;
}
// chmod uploaded file:
$chmod = $Settings->get('fm_default_chmod_file');
@chmod($mediadir . $filename, octdec($chmod));
$imginfo = @getimagesize($mediadir . $filename);
pbm_msg('Is this an image?: ' . (is_array($imginfo) ? 'yes' : 'no'));
}
if ($type == 'attach') {
$content .= "\n";
if (is_array($imginfo) && $add_img_tags) {
$content .= '<img src="' . $media_url . $filename . '" ' . $imginfo[3] . ' />';
} else {
pbm_msg(sprintf('The file <b>%s</b> will be attached to the post later, after we save the post in the database.', $filename));
$pbm_item_files[] = $filename;
}
$content .= "\n";
} elseif (!empty($attachment['ContentID'])) {
// Replace relative "cid:xxxxx" URIs with absolute URLs to media files
$content = str_replace('cid:' . $attachment['ContentID'], $media_url . $filename, $content);
}
}
}
/**
* Check if file exists in the target location with the given name. Used during file upload.
*
* @param FileRoot target file Root
* @param string target path
* @param string file name
* @param array the new file image_info
* @return array contains two elements
* first elements is a new File object
* second element is the existing file thumb, or empty string, if the file doesn't exists
*/
function check_file_exists($fm_FileRoot, $path, $newName, $image_info = NULL)
{
global $filename_max_length;
// Get File object for requested target location:
$FileCache =& get_FileCache();
$newFile =& $FileCache->get_by_root_and_path($fm_FileRoot->type, $fm_FileRoot->in_type_ID, trailing_slash($path) . $newName, true);
$num_ext = 0;
$oldName = $newName;
$oldFile_thumb = "";
while ($newFile->exists()) {
// The file already exists in the target location!
$num_ext++;
$ext_pos = strrpos($newName, '.');
if ($num_ext == 1) {
if ($image_info == NULL) {
$image_info = getimagesize($newFile->get_full_path());
}
$newName = substr_replace($newName, '-' . $num_ext . '.', $ext_pos, 1);
if ($image_info) {
$oldFile_thumb = $newFile->get_preview_thumb('fulltype');
} else {
$oldFile_thumb = $newFile->get_size_formatted();
}
} else {
$replace_length = strlen('-' . ($num_ext - 1));
$newName = substr_replace($newName, '-' . $num_ext, $ext_pos - $replace_length, $replace_length);
}
if (strlen($newName) > $filename_max_length) {
$newName = fix_filename_length($newName, strrpos($newName, '-'));
if ($error_filename = process_filename($newName, true)) {
// The file name is still not valid
debug_die('Invalid file name has found during file exists check: ' . $error_filename);
}
}
$newFile =& $FileCache->get_by_root_and_path($fm_FileRoot->type, $fm_FileRoot->in_type_ID, trailing_slash($path) . $newName, true);
}
return array($newFile, $oldFile_thumb);
}