<?php
use Illuminate\Support\Str;
/**
* Pony.fm - A community for pony fan music.
* Copyright (C) 2015 Feld0.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
class PfmValidator extends Illuminate\Validation\Validator
{
private static $reservedNames = [
'about' => null,
'account' => null,
'accounts' => null,
'admin' => null,
'administration' => null,
'administrator' => null,
'admins' => null,
'album' => null,
'albums' => null,
'animation' => null,
'animations' => null,
'api' => null,
'articles' => null,
'artist' => null,
'artists' => null,
'audio' => null,
'aurora-gleam' => null,
'auth' => null,
'azura' => null,
'blog' => null,
'blogs' => null,
'book' => null,
'books' => null,
'buffy' => null,
'comment' => null,
'comments' => null,
'create' => null,
'dev' => null,
'developer' => null,
'developers' => null,
'edit' => null,
'editor' => null,
'error' => null,
'errors' => null,
'fair-dice' => null,
'fairdice' => null,
'faq' => null,
'favorite' => null,
'favourite' => null,
'favourites' => null,
'follow' => null,
'followers' => null,
'following' => null,
'gemini-star' => null,
'genre' => null,
'genres' => null,
'home' => null,
'log-out' => null,
'login' => null,
'logout' => null,
'mail' => null,
'mlp-forums' => null,
'mlpforums' => null,
'mlpforums-advertising-program' => null,
'movie' => null,
'movies' => null,
'music' => null,
'new' => null,
'news' => null,
'notification' => null,
'notifications' => null,
'nova-blast' => null,
'page' => null,
'pages' => null,
'pixel-wavelength' => null,
'pixelwavelength' => null,
'playlist' => null,
'playlists' => null,
'poniverse' => null,
'pony-fm' => null,
'ponyfm' => null,
'ponyverse' => null,
'ponyville-live' => null,
'ponyvillelive' => null,
'profile' => null,
'profiles' => null,
'register' => null,
'sign-in' => null,
'sign-up' => null,
'signin' => null,
'signup' => null,
'template' => null,
'templates' => null,
'track' => null,
'tracks' => null,
'tunes' => null,
'upload' => null,
'uploader' => null,
'user' => null,
'users' => null,
'viridian-meadows' => null,
'web' => null,
'word-play' => null,
'wordplay' => null,
'www' => null,
];
/**
* Determine if a given rule implies that the attribute is required.
*
* @param string $rule
* @return bool
*/
protected function implicit($rule)
{
return $rule == 'required' or $rule == 'accepted' or $rule == 'required_with' or $rule == 'required_when';
}
/**
* Validate the audio format of the file.
*
* @param string $attribute
* @param array $value
* @param array $parameters
* @return bool
*/
public function validateAudioFormat($attribute, $value, $parameters)
{
// attribute is the file field
// value is the file array itself
// parameters is a list of formats the file can be, verified via ffmpeg
$file = AudioCache::get($value->getPathname());
$codecString = $file->getAudioCodec();
// PCM, ADPCM, and AAC come in several variations as far as FFmpeg
// is concerned. They're all acceptable for Pony.fm, so we check what
// the codec string returned by FFmpeg starts with instead of looking
// for an exact match for these.
if (in_array('adpcm', $parameters) && Str::startsWith($codecString, 'adpcm')) {
return true;
}
if (in_array('pcm', $parameters) && Str::startsWith($codecString, 'pcm')) {
return true;
}
if (in_array('aac', $parameters) && Str::startsWith($codecString, 'aac')) {
return true;
}
if (in_array('alac', $parameters) && Str::startsWith($codecString, 'alac')) {
return true;
}
return in_array($file->getAudioCodec(), $parameters);
}
/**
* Validate the sample rate of the audio file.
*
* @param string $attribute
* @param array $value
* @param array $parameters
* @return bool
*/
public function validateSampleRate($attribute, $value, $parameters)
{
// attribute is the file field
// value is the file array itself
// parameters is a list of sample rates the file can be, verified via ffmpeg
$file = AudioCache::get($value->getPathname());
return in_array($file->getAudioSampleRate(), $parameters);
}
/**
* Validate the number of channels in the audio file.
*
* @param string $attribute
* @param array $value
* @param array $parameters
* @return bool
*/
public function validateAudioChannels($attribute, $value, $parameters)
{
// attribute is the file field
// value is the file array itself
// parameters is a list of sample rates the file can be, verified via ffmpeg
$file = AudioCache::get($value->getPathname());
return in_array($file->getAudioChannels(), $parameters);
}
/**
* Validate the bit rate of the audio file.
*
* @param string $attribute
* @param array $value
* @param array $parameters
* @return bool
*/
public function validateAudioBitrate($attribute, $value, $parameters)
{
// attribute is the file field
// value is the file array itself
// parameters is a list of sample rates the file can be, verified via ffmpeg
$file = AudioCache::get($value->getPathname());
return in_array($file->getAudioBitRate(), $parameters);
}
/**
* Validate the duration of the audio file, in seconds.
*
* @param string $attribute
* @param array $value
* @param array $parameters
* @return bool
*/
public function validateMinDuration($attribute, $value, $parameters)
{
// attribute is the file field
// value is the file array itself
// parameters is an array containing one value: the minimum duration
$file = AudioCache::get($value->getPathname());
return $file->getDuration() >= (float) $parameters[0];
}
/**
* Require a field when the value of another field matches a certain value.
*
* @param string $attribute
* @param array $value
* @param array $parameters
* @return bool
*/
/** OLD CODE
* public function validate_required_when($attribute, $value, $parameters)
* {
* if ( Request::get($parameters[0]) === $parameters[1] && static::required($attribute, $value) ){
* return true;.
*
* } else {
* return false;
* }
* }
**/
// custom required_when validator
public function validateRequiredWhen($attribute, $value, $parameters)
{
if (Request::get($parameters[0]) == $parameters[1]) {
return $this->validate_required($attribute, $value);
}
return true;
}
// custom image width validator
public function validateMinWidth($attribute, $value, $parameters)
{
return getimagesize($value->getPathname())[0] >= $parameters[0];
}
// custom image height validator
public function validateMinHeight($attribute, $value, $parameters)
{
return getimagesize($value->getPathname())[1] >= $parameters[0];
}
public function validateTextareaLength($attribute, $value, $parameters)
{
return strlen(str_replace("\r\n", "\n", $value)) <= $parameters[0];
}
/**
* This validation rule is intended to avoid collisions between user profile
* slugs and site functionality.
*
* @param $attribute
* @param $value
* @param $parameters
* @return bool false if the given value is a reserved slug
*/
public function validateIsNotReservedSlug($attribute, $value, $parameters)
{
return ! array_key_exists($value, static::$reservedNames) &&
// Pony.fm shortlinks are in the form: /{letter}{series of numbers}
! preg_match('/^[a-z]?\d+$/', $value);
}
}