function has_thumb() {
global $globals;
if ($this->thumb_x > 0 && $this->thumb_y > 0) {
$chain = get_cache_dir_chain($this->id);
$file = $globals['cache_dir']."/$chain/thumb-$this->id.jpg";
$filepath = mnmpath."/$file";
if (is_readable($filepath)) {
return $globals['base_static'] . $file;
} elseif ($globals['Amazon_S3_media_bucket'] && $globals['Amazon_S3_local_cache']) {
create_cache_dir_chain(mnmpath.'/'.$globals['cache_dir'], $chain);
// Get thumbnail from S3
if (Media::get("$this->id.jpg", 'thumbs', $filepath)) {
return $globals['base_static'] . $file;
} else {
// Do extra check, if S3 is working, mark thumb as deleted
if (($buckets = Media::buckets(false)) && in_array($globals['Amazon_S3_media_bucket'], $buckets)
&& is_writable(mnmpath.'/'.$globals['cache_dir'])) { // Double check
syslog(LOG_NOTICE, "Meneame, deleting unexisting thumb for $this->id");
$this->delete_thumb();
}
}
}
}
return false;
}
function avatar_get_from_db($user, $size = 0)
{
global $db, $globals;
if (!in_array($size, $globals['avatars_allowed_sizes'])) {
return false;
}
$time = $db->get_var("select user_avatar from users where user_id={$user}");
if (!$globals['Amazon_S3_local_cache'] && $globals['Amazon_S3_media_bucket'] && is_writable('/tmp')) {
$subdir = '/tmp';
} else {
$chain = get_cache_dir_chain($user);
create_cache_dir_chain(get_avatars_dir(), $chain);
$subdir = get_avatars_dir() . '/' . $chain;
}
if (!is_writable($subdir)) {
return false;
}
$file_base = $subdir . "/{$user}-{$time}";
$delete = false;
$original = false;
if ($globals['Amazon_S3_media_bucket']) {
// Get avatar from S3
// Try up to 3 times to download from Amazon
$try = 0;
while ($original == false && $try < 3) {
if (Media::get("{$user}-{$time}-{$size}.jpg", 'avatars', "{$file_base}-{$size}.jpg")) {
return file_get_contents("{$file_base}-{$size}.jpg");
}
if (Media::get("{$user}-{$time}.jpg", 'avatars', "{$file_base}-orig.jpg")) {
$delete_it = true;
$original = "{$file_base}-orig.jpg";
} elseif (is_readable($file_base . '-80.jpg') && filesize($file_base . '-80.jpg') > 0 || Media::get("{$user}-{$time}-80.jpg", 'avatars', "{$file_base}-80.jpg")) {
$original = $file_base . '-80.jpg';
} else {
$try++;
usleep(rand(1, 20));
// Wait a little to minimize race-conditions
}
}
if (!$original) {
// The images were not found in S3
if (($buckets = Media::buckets(false)) && in_array($globals['Amazon_S3_media_bucket'], $buckets) && is_writable(mnmpath . '/' . $globals['cache_dir'])) {
// Double check
avatars_remove($user);
}
return false;
}
} else {
//Get from DB
if (!is_readable($file_base . '-80.jpg')) {
$img = $db->get_var("select avatar_image from avatars where avatar_id={$user}");
if (!strlen($img) > 0) {
if (is_writable(mnmpath . '/' . $globals['cache_dir'])) {
// Double check
avatars_remove($user);
}
return false;
}
file_put_contents($file_base . '-80.jpg', $img);
$original = $file_base . '-80.jpg';
}
}
if ($size > 0 && $size != 80) {
avatar_resize($original, "{$file_base}-{$size}.jpg", $size);
if ($delete_it) {
@unlink($original);
}
}
return file_get_contents("{$file_base}-{$size}.jpg");
}
