public function byURL($url)
{
if (!isset($url) || !is_string($url)) {
trigger_error("Invalid input!", E_USER_ERROR);
}
// check if the image is downloadable
$curlHandle = curl_init();
curl_setopt_array($curlHandle, array(CURLOPT_URL => $url, CURLOPT_NOBODY => true, CURLOPT_HEADER => false));
$res = curl_exec($curlHandle);
if (!$res) {
return "-11\nFile doesn't exist!";
}
$i = curl_getinfo($curlHandle);
if ($i['download_content_length'] > MAX_FILE_SIZE) {
return "-12\nFile too large!";
}
// Download the image!
$this->file['tmp_name'] = tempnam("/tmp", "i2");
$fileHandle = fopen($this->file['tmp_name'], 'w');
$curlHandle = curl_init();
curl_setopt_array($curlHandle, array(CURLOPT_URL => $url, CURLOPT_FILE => $fileHandle, CURLOPT_CONNECTTIMEOUT => DOWNLOAD_TIMEOUT, CURLOPT_BINARYTRANSFER => 1));
$download = curl_exec($curlHandle);
fclose($fileHandle);
if (curl_errno($curlHandle) != 0) {
return "-13\nInternal cURL error: (" . curl_errno($curlHandle) . ") " . curl_error($curlHandle);
}
$this->file['hash'] = hash_file("md5", $this->file['tmp_name']);
// checks if image is new and if not only grants the image a new
// timestamp
$res = SQL::query("SELECT COUNT(*) as images FROM images" . " WHERE hash = '" . $this->file['hash'] . "' LIMIT 1");
if ($res->fetch_object()->images > 0) {
trigger_error("Hash is not unique, will only update image", E_USER_NOTICE);
SQL::query("UPDATE images SET images.time = '" . time() . "' " . "WHERE hash = '" . $this->file['hash'] . "' LIMIT 1");
return "2\nSuccess! Image updated in database!";
} else {
$this->file['name'] = split('/', $url);
$this->file['name'] = $this->file['name'][count($this->file['name']) - 1];
$this->cleanFilename();
if (!copy($this->file['tmp_name'], I_IMAGE_DIR . DIRECTORY_SEPARATOR . $this->file['safeName'])) {
return "-14\nCould not copy file to image directory";
}
$manip = new ImageManipulation($this->file['tmp_name']);
$manip->thumbnail();
$manip->save(I_THUMBNAIL_DIR . DIRECTORY_SEPARATOR . $this->file['safeName']);
unset($manip);
$this->insertIntoDB();
return "1\nSuccess! '" . $this->file['safeName'] . "' uploaded!";
}
}
