openvk/VKAPI/Handlers/Audio.php
2024-06-27 07:26:11 +03:00

789 lines
25 KiB
PHP

<?php declare(strict_types=1);
namespace openvk\VKAPI\Handlers;
use Chandler\Database\DatabaseConnection;
use openvk\Web\Models\Entities\Audio as AEntity;
use openvk\Web\Models\Entities\Playlist;
use openvk\Web\Models\Repositories\Audios;
use openvk\Web\Models\Repositories\Clubs;
use openvk\Web\Models\Repositories\Util\EntityStream;
final class Audio extends VKAPIRequestHandler
{
private function toSafeAudioStruct(?AEntity $audio, ?string $hash = NULL, bool $need_user = false): object
{
if(!$audio)
$this->fail(0404, "Audio not found");
else if(!$audio->canBeViewedBy($this->getUser()))
$this->fail(201, "Access denied to audio(" . $audio->getPrettyId() . ")");
# рофлан ебало
$privApi = $hash && $GLOBALS["csrfCheck"];
$audioObj = $audio->toVkApiStruct($this->getUser());
if(!$privApi) {
$audioObj->manifest = false;
$audioObj->keys = false;
}
if($need_user) {
$user = (new \openvk\Web\Models\Repositories\Users)->get($audio->getOwner()->getId());
$audioObj->user = (object) [
"id" => $user->getId(),
"photo" => $user->getAvatarUrl(),
"name" => $user->getCanonicalName(),
"name_gen" => $user->getCanonicalName(),
];
}
return $audioObj;
}
private function streamToResponse(EntityStream $es, int $offset, int $count, ?string $hash = NULL): object
{
$items = [];
foreach($es->offsetLimit($offset, $count) as $audio) {
$items[] = $this->toSafeAudioStruct($audio, $hash);
}
return (object) [
"count" => sizeof($items),
"items" => $items,
];
}
private function validateGenre(?string& $genre_str, ?int $genre_id): void
{
if(!is_null($genre_str)) {
if(!in_array($genre_str, AEntity::genres))
$this->fail(8, "Invalid genre_str");
} else if(!is_null($genre_id)) {
$genre_str = array_flip(AEntity::vkGenres)[$genre_id] ?? NULL;
if(!$genre_str)
$this->fail(8, "Invalid genre ID $genre_id");
}
}
private function audioFromAnyId(string $id): ?AEntity
{
$descriptor = explode("_", $id);
if(sizeof($descriptor) === 1) {
if(ctype_digit($descriptor[0])) {
$audio = (new Audios)->get((int) $descriptor[0]);
} else {
$aid = base64_decode($descriptor[0], true);
if(!$aid)
$this->fail(8, "Invalid audio $id");
$audio = (new Audios)->get((int) $aid);
}
} else if(sizeof($descriptor) === 2) {
$audio = (new Audios)->getByOwnerAndVID((int) $descriptor[0], (int) $descriptor[1]);
} else {
$this->fail(8, "Invalid audio $id");
}
return $audio;
}
function getById(string $audios, ?string $hash = NULL, int $need_user = 0): object
{
$this->requireUser();
$audioIds = array_unique(explode(",", $audios));
if(sizeof($audioIds) === 1) {
$audio = $this->audioFromAnyId($audioIds[0]);
return (object) [
"count" => 1,
"items" => [
$this->toSafeAudioStruct($audio, $hash, (bool) $need_user),
],
];
} else if(sizeof($audioIds) > 6000) {
$this->fail(1980, "Can't get more than 6000 audios at once");
}
$audios = [];
foreach($audioIds as $id)
$audios[] = $this->getById($id, $hash)->items[0];
return (object) [
"count" => sizeof($audios),
"items" => $audios,
];
}
function isLagtrain(string $audio_id): int
{
$this->requireUser();
$audio = $this->audioFromAnyId($audio_id);
if(!$audio)
$this->fail(0404, "Audio not found");
# Possible information disclosure risks are acceptable :D
return (int) (strpos($audio->getName(), "Lagtrain") !== false);
}
// TODO stub
function getRecommendations(): object
{
return (object) [
"count" => 0,
"items" => [],
];
}
function getPopular(?int $genre_id = NULL, ?string $genre_str = NULL, int $offset = 0, int $count = 100, ?string $hash = NULL): object
{
$this->requireUser();
$this->validateGenre($genre_str, $genre_id);
$results = (new Audios)->getGlobal(Audios::ORDER_POPULAR, $genre_str);
return $this->streamToResponse($results, $offset, $count, $hash);
}
function getFeed(?int $genre_id = NULL, ?string $genre_str = NULL, int $offset = 0, int $count = 100, ?string $hash = NULL): object
{
$this->requireUser();
$this->validateGenre($genre_str, $genre_id);
$results = (new Audios)->getGlobal(Audios::ORDER_NEW, $genre_str);
return $this->streamToResponse($results, $offset, $count, $hash);
}
function search(string $q, int $auto_complete = 0, int $lyrics = 0, int $performer_only = 0, int $sort = 2, int $search_own = 0, int $offset = 0, int $count = 30, ?string $hash = NULL): object
{
$this->requireUser();
if(($auto_complete + $search_own) != 0)
$this->fail(10, "auto_complete and search_own are not supported");
else if($count > 300 || $count < 1)
$this->fail(8, "count is invalid: $count");
$results = (new Audios)->search($q, $sort, (bool) $performer_only, (bool) $lyrics);
return $this->streamToResponse($results, $offset, $count, $hash);
}
function getCount(int $owner_id, int $uploaded_only = 0): int
{
$this->requireUser();
if($owner_id < 0) {
$owner_id *= -1;
$group = (new Clubs)->get($owner_id);
if(!$group)
$this->fail(0404, "Group not found");
return (new Audios)->getClubCollectionSize($group);
}
$user = (new \openvk\Web\Models\Repositories\Users)->get($owner_id);
if(!$user)
$this->fail(0404, "User not found");
if(!$user->getPrivacyPermission("audios.read", $this->getUser()))
$this->fail(15, "Access denied");
if($uploaded_only) {
return DatabaseConnection::i()->getContext()->table("audios")
->where([
"deleted" => false,
"owner" => $owner_id,
])->count();
}
return (new Audios)->getUserCollectionSize($user);
}
function get(int $owner_id = 0, int $album_id = 0, string $audio_ids = '', int $need_user = 1, int $offset = 0, int $count = 100, int $uploaded_only = 0, int $need_seed = 0, ?string $shuffle_seed = NULL, int $shuffle = 0, ?string $hash = NULL): object
{
$this->requireUser();
$shuffleSeed = NULL;
$shuffleSeedStr = NULL;
if($shuffle == 1) {
if(!$shuffle_seed) {
if($need_seed == 1) {
$shuffleSeed = openssl_random_pseudo_bytes(6);
$shuffleSeedStr = base64_encode($shuffleSeed);
$shuffleSeed = hexdec(bin2hex($shuffleSeed));
} else {
$hOffset = ((int) date("i") * 60) + (int) date("s");
$thisHour = time() - $hOffset;
$shuffleSeed = $thisHour + $this->getUser()->getId();
$shuffleSeedStr = base64_encode(hex2bin(dechex($shuffleSeed)));
}
} else {
$shuffleSeed = hexdec(bin2hex(base64_decode($shuffle_seed)));
$shuffleSeedStr = $shuffle_seed;
}
}
if($album_id != 0) {
$album = (new Audios)->getPlaylist($album_id);
if(!$album)
$this->fail(0404, "album_id invalid");
else if(!$album->canBeViewedBy($this->getUser()))
$this->fail(600, "Can't open this album for reading");
$songs = [];
$list = $album->getAudios($offset, $count, $shuffleSeed);
foreach($list as $song)
$songs[] = $this->toSafeAudioStruct($song, $hash, $need_user == 1);
$response = (object) [
"count" => sizeof($songs),
"items" => $songs,
];
if(!is_null($shuffleSeed))
$response->shuffle_seed = $shuffleSeedStr;
return $response;
}
if(!empty($audio_ids)) {
$audio_ids = explode(",", $audio_ids);
if(!$audio_ids)
$this->fail(10, "Audio::get@L0d186:explode(string): Unknown error");
else if(sizeof($audio_ids) < 1)
$this->fail(8, "Invalid audio_ids syntax");
if(!is_null($shuffleSeed))
$audio_ids = knuth_shuffle($audio_ids, $shuffleSeed);
$obj = $this->getById(implode(",", $audio_ids), $hash, $need_user);
if(!is_null($shuffleSeed))
$obj->shuffle_seed = $shuffleSeedStr;
return $obj;
}
$dbCtx = DatabaseConnection::i()->getContext();
if($uploaded_only == 1) {
if($owner_id <= 0)
$this->fail(8, "uploaded_only can only be used with owner_id > 0");
$user = (new \openvk\Web\Models\Repositories\Users)->get($owner_id);
if(!$user)
$this->fail(0602, "Invalid user");
if(!$user->getPrivacyPermission("audios.read", $this->getUser()))
$this->fail(15, "Access denied: this user chose to hide his audios");
if(!is_null($shuffleSeed)) {
$audio_ids = [];
$query = $dbCtx->table("audios")->select("virtual_id")->where([
"owner" => $owner_id,
"deleted" => 0,
]);
foreach($query as $res)
$audio_ids[] = $res->virtual_id;
$audio_ids = knuth_shuffle($audio_ids, $shuffleSeed);
$audio_ids = array_slice($audio_ids, $offset, $count);
$audio_q = ""; # audio.getById query
foreach($audio_ids as $aid)
$audio_q .= ",$owner_id" . "_$aid";
$obj = $this->getById(substr($audio_q, 1), $hash, $need_user);
$obj->shuffle_seed = $shuffleSeedStr;
return $obj;
}
$res = (new Audios)->getByUploader((new \openvk\Web\Models\Repositories\Users)->get($owner_id));
return $this->streamToResponse($res, $offset, $count, $hash, $need_user);
}
$query = $dbCtx->table("audio_relations")->select("audio")->where("entity", $owner_id);
if(!is_null($shuffleSeed)) {
$audio_ids = [];
foreach($query as $aid)
$audio_ids[] = $aid->audio;
$audio_ids = knuth_shuffle($audio_ids, $shuffleSeed);
$audio_ids = array_slice($audio_ids, $offset, $count);
$audio_q = "";
foreach($audio_ids as $aid)
$audio_q .= ",$aid";
$obj = $this->getById(substr($audio_q, 1), $hash, $need_user);
$obj->shuffle_seed = $shuffleSeedStr;
return $obj;
}
$items = [];
if($owner_id > 0) {
$user = (new \openvk\Web\Models\Repositories\Users)->get($owner_id);
if(!$user)
$this->fail(50, "Invalid user");
if(!$user->getPrivacyPermission("audios.read", $this->getUser()))
$this->fail(15, "Access denied: this user chose to hide his audios");
}
$audios = (new Audios)->getByEntityID($owner_id, $offset, $count);
foreach($audios as $audio)
$items[] = $this->toSafeAudioStruct($audio, $hash, $need_user == 1);
return (object) [
"count" => sizeof($items),
"items" => $items,
];
}
function getLyrics(int $lyrics_id): object
{
$this->requireUser();
$audio = (new Audios)->get($lyrics_id);
if(!$audio || !$audio->getLyrics())
$this->fail(0404, "Not found");
if(!$audio->canBeViewedBy($this->getUser()))
$this->fail(201, "Access denied to lyrics");
return (object) [
"lyrics_id" => $lyrics_id,
"text" => preg_replace("%\r\n?%", "\n", $audio->getLyrics()),
];
}
function beacon(int $aid, ?int $gid = NULL): int
{
$this->requireUser();
$this->willExecuteWriteAction();
$audio = (new Audios)->get($aid);
if(!$audio)
$this->fail(0404, "Not Found");
else if(!$audio->canBeViewedBy($this->getUser()))
$this->fail(201, "Insufficient permissions to listen this audio");
$group = NULL;
if(!is_null($gid)) {
$group = (new Clubs)->get($gid);
if(!$group)
$this->fail(0404, "Not Found");
else if(!$group->canBeModifiedBy($this->getUser()))
$this->fail(203, "Insufficient rights to this group");
}
return (int) $audio->listen($group ?? $this->getUser());
}
function setBroadcast(string $audio, string $target_ids): array
{
$this->requireUser();
[$owner, $aid] = explode("_", $audio);
$song = (new Audios)->getByOwnerAndVID((int) $owner, (int) $aid);
$ids = [];
foreach(explode(",", $target_ids) as $id) {
$id = (int) $id;
if($id > 0) {
if ($id != $this->getUser()->getId()) {
$this->fail(600, "Can't listen on behalf of $id");
} else {
$ids[] = $id;
$this->beacon($song->getId());
continue;
}
}
$group = (new Clubs)->get($id * -1);
if(!$group)
$this->fail(0404, "Not Found");
else if(!$group->canBeModifiedBy($this->getUser()))
$this->fail(203,"Insufficient rights to this group");
$ids[] = $id;
$this->beacon($song ? $song->getId() : 0, $id * -1);
}
return $ids;
}
function getBroadcastList(string $filter = "all", int $active = 0, ?string $hash = NULL): object
{
$this->requireUser();
if(!in_array($filter, ["all", "friends", "groups"]))
$this->fail(8, "Invalid filter $filter");
$broadcastList = $this->getUser()->getBroadcastList($filter);
$items = [];
foreach($broadcastList as $res) {
$struct = $res->toVkApiStruct();
$status = $res->getCurrentAudioStatus();
$struct->status_audio = $status ? $this->toSafeAudioStruct($status) : NULL;
$items[] = $struct;
}
return (object) [
"count" => sizeof($items),
"items" => $items,
];
}
function edit(int $owner_id, int $audio_id, ?string $artist = NULL, ?string $title = NULL, ?string $text = NULL, ?int $genre_id = NULL, ?string $genre_str = NULL, int $no_search = 0): int
{
$this->requireUser();
$this->willExecuteWriteAction();
$audio = (new Audios)->getByOwnerAndVID($owner_id, $audio_id);
if(!$audio)
$this->fail(0404, "Not Found");
else if(!$audio->canBeModifiedBy($this->getUser()))
$this->fail(201, "Insufficient permissions to edit this audio");
if(!is_null($genre_id)) {
$genre = array_flip(AEntity::vkGenres)[$genre_id] ?? NULL;
if(!$genre)
$this->fail(8, "Invalid genre ID $genre_id");
$audio->setGenre($genre);
} else if(!is_null($genre_str)) {
if(!in_array($genre_str, AEntity::genres))
$this->fail(8, "Invalid genre ID $genre_str");
$audio->setGenre($genre_str);
}
$lyrics = 0;
if(!is_null($text)) {
$audio->setLyrics($text);
$lyrics = $audio->getId();
}
if(!is_null($artist))
$audio->setPerformer($artist);
if(!is_null($title))
$audio->setName($title);
$audio->setSearchability(!((bool) $no_search));
$audio->setEdited(time());
$audio->save();
return $lyrics;
}
function add(int $audio_id, int $owner_id, ?int $group_id = NULL, ?int $album_id = NULL): string
{
$this->requireUser();
$this->willExecuteWriteAction();
if(!is_null($album_id)) // Думаю ?int $album_id = NULL возвращает 0 из-за ?int
if($album_id > 0)
$this->fail(10, "album_id not implemented");
// TODO get rid of dups
$to = $this->getUser();
if(!is_null($group_id)) {
$group = (new Clubs)->get($group_id);
if(!$group)
$this->fail(0404, "Invalid group_id");
else if(!$group->canBeModifiedBy($this->getUser()))
$this->fail(203, "Insufficient rights to this group");
$to = $group;
}
$audio = (new Audios)->getByOwnerAndVID($owner_id, $audio_id);
if(!$audio)
$this->fail(0404, "Not found");
else if(!$audio->canBeViewedBy($this->getUser()))
$this->fail(201, "Access denied to audio(owner=$owner_id, vid=$audio_id)");
try {
$audio->add($to);
} catch(\OverflowException $ex) {
$this->fail(300, "Album is full");
}
return $audio->getPrettyId();
}
function delete(int $audio_id, int $owner_id, ?int $group_id = NULL): int
{
$this->requireUser();
$this->willExecuteWriteAction();
$from = $this->getUser();
if(!is_null($group_id)) {
$group = (new Clubs)->get($group_id);
if(!$group)
$this->fail(0404, "Invalid group_id");
else if(!$group->canBeModifiedBy($this->getUser()))
$this->fail(203, "Insufficient rights to this group");
$from = $group;
}
$audio = (new Audios)->getByOwnerAndVID($owner_id, $audio_id);
if(!$audio)
$this->fail(0404, "Not found");
$audio->remove($from);
return 1;
}
function restore(int $audio_id, int $owner_id, ?int $group_id = NULL, ?string $hash = NULL): object
{
$this->requireUser();
$vid = $this->add($audio_id, $owner_id, $group_id);
return $this->getById($vid, $hash)->items[0];
}
function getAlbums(int $owner_id = 0, int $offset = 0, int $count = 50, int $drop_private = 1): object
{
$this->requireUser();
$owner_id = $owner_id == 0 ? $this->getUser()->getId() : $owner_id;
$playlists = [];
if($owner_id > 0 && $owner_id != $this->getUser()->getId()) {
$user = (new \openvk\Web\Models\Repositories\Users)->get($owner_id);
if(!$user->getPrivacyPermission("audios.read", $this->getUser()))
$this->fail(50, "Access to playlists denied");
}
foreach((new Audios)->getPlaylistsByEntityId($owner_id, $offset, $count) as $playlist) {
if(!$playlist->canBeViewedBy($this->getUser())) {
if($drop_private == 1)
continue;
$playlists[] = NULL;
continue;
}
$playlists[] = $playlist->toVkApiStruct($this->getUser());
}
return (object) [
"count" => sizeof($playlists),
"items" => $playlists,
];
}
function searchAlbums(string $query, int $offset = 0, int $limit = 25, int $drop_private = 0): object
{
$this->requireUser();
$playlists = [];
$search = (new Audios)->searchPlaylists($query)->offsetLimit($offset, $limit);
foreach($search as $playlist) {
if(!$playlist->canBeViewedBy($this->getUser())) {
if($drop_private == 0)
$playlists[] = NULL;
continue;
}
$playlists[] = $playlist->toVkApiStruct($this->getUser());
}
return (object) [
"count" => sizeof($playlists),
"items" => $playlists,
];
}
function addAlbum(string $title, ?string $description = NULL, int $group_id = 0): int
{
$this->requireUser();
$this->willExecuteWriteAction();
$group = NULL;
if($group_id != 0) {
$group = (new Clubs)->get($group_id);
if(!$group)
$this->fail(0404, "Invalid group_id");
else if(!$group->canBeModifiedBy($this->getUser()))
$this->fail(600, "Insufficient rights to this group");
}
$album = new Playlist;
$album->setName($title);
if(!is_null($group))
$album->setOwner($group_id * -1);
else
$album->setOwner($this->getUser()->getId());
if(!is_null($description))
$album->setDescription($description);
$album->save();
if(!is_null($group))
$album->bookmark($group);
else
$album->bookmark($this->getUser());
return $album->getId();
}
function editAlbum(int $album_id, ?string $title = NULL, ?string $description = NULL): int
{
$this->requireUser();
$this->willExecuteWriteAction();
$album = (new Audios)->getPlaylist($album_id);
if(!$album)
$this->fail(0404, "Album not found");
else if(!$album->canBeModifiedBy($this->getUser()))
$this->fail(600, "Insufficient rights to this album");
if(!is_null($title))
$album->setName($title);
if(!is_null($description))
$album->setDescription($description);
$album->setEdited(time());
$album->save();
return (int) !(!$title && !$description);
}
function deleteAlbum(int $album_id): int
{
$this->requireUser();
$this->willExecuteWriteAction();
$album = (new Audios)->getPlaylist($album_id);
if(!$album)
$this->fail(0404, "Album not found");
else if(!$album->canBeModifiedBy($this->getUser()))
$this->fail(600, "Insufficient rights to this album");
$album->delete();
return 1;
}
function moveToAlbum(int $album_id, string $audio_ids): int
{
$this->requireUser();
$this->willExecuteWriteAction();
$album = (new Audios)->getPlaylist($album_id);
if(!$album)
$this->fail(0404, "Album not found");
else if(!$album->canBeModifiedBy($this->getUser()))
$this->fail(600, "Insufficient rights to this album");
$audios = [];
$audio_ids = array_unique(explode(",", $audio_ids));
if(sizeof($audio_ids) < 1 || sizeof($audio_ids) > 1000)
$this->fail(8, "audio_ids must contain at least 1 audio and at most 1000");
foreach($audio_ids as $audio_id) {
$audio = $this->audioFromAnyId($audio_id);
if(!$audio)
continue;
else if(!$audio->canBeViewedBy($this->getUser()))
continue;
$audios[] = $audio;
}
if(sizeof($audios) < 1)
return 0;
$res = 1;
try {
foreach ($audios as $audio)
$res = min($res, (int) $album->add($audio));
} catch(\OutOfBoundsException $ex) {
return 0;
}
return $res;
}
function removeFromAlbum(int $album_id, string $audio_ids): int
{
$this->requireUser();
$this->willExecuteWriteAction();
$album = (new Audios)->getPlaylist($album_id);
if(!$album)
$this->fail(0404, "Album not found");
else if(!$album->canBeModifiedBy($this->getUser()))
$this->fail(600, "Insufficient rights to this album");
$audios = [];
$audio_ids = array_unique(explode(",", $audio_ids));
if(sizeof($audio_ids) < 1 || sizeof($audio_ids) > 1000)
$this->fail(8, "audio_ids must contain at least 1 audio and at most 1000");
foreach($audio_ids as $audio_id) {
$audio = $this->audioFromAnyId($audio_id);
if(!$audio)
continue;
else if($audio->canBeViewedBy($this->getUser()))
continue;
$audios[] = $audio;
}
if(sizeof($audios) < 1)
return 0;
foreach($audios as $audio)
$album->remove($audio);
return 1;
}
function copyToAlbum(int $album_id, string $audio_ids): int
{
return $this->moveToAlbum($album_id, $audio_ids);
}
function bookmarkAlbum(int $id): int
{
$this->requireUser();
$this->willExecuteWriteAction();
$album = (new Audios)->getPlaylist($id);
if(!$album)
$this->fail(0404, "Not found");
if(!$album->canBeViewedBy($this->getUser()))
$this->fail(600, "Access error");
return (int) $album->bookmark($this->getUser());
}
function unBookmarkAlbum(int $id): int
{
$this->requireUser();
$this->willExecuteWriteAction();
$album = (new Audios)->getPlaylist($id);
if(!$album)
$this->fail(0404, "Not found");
if(!$album->canBeViewedBy($this->getUser()))
$this->fail(600, "Access error");
return (int) $album->unbookmark($this->getUser());
}
}