Files
newznab-tmux/app/Services/ReleaseRemoverService.php
2026-07-15 15:01:18 +02:00

1253 lines
39 KiB
PHP

<?php
declare(strict_types=1);
namespace App\Services;
use App\Enums\BlacklistConstants;
use App\Models\Category;
use App\Models\Settings;
use App\Services\Nzb\NzbService;
use App\Services\Releases\ReleaseManagementService;
use Carbon\Carbon;
use Exception;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Log;
/**
* Handles removing of various unwanted releases.
*/
class ReleaseRemoverService
{
private const int BATCH_SIZE = 500;
private const int BATCH_PAUSE_US = 10000;
// Crap removal types
private const string TYPE_BLACKLIST = 'blacklist';
private const string TYPE_BLFILES = 'blfiles';
private const string TYPE_EXECUTABLE = 'executable';
private const string TYPE_GIBBERISH = 'gibberish';
private const string TYPE_HASHED = 'hashed';
private const string TYPE_INSTALLBIN = 'installbin';
private const string TYPE_PASSWORDED = 'passworded';
private const string TYPE_PASSWORDURL = 'passwordurl';
private const string TYPE_SAMPLE = 'sample';
private const string TYPE_SCR = 'scr';
private const string TYPE_SHORT = 'short';
private const string TYPE_SIZE = 'size';
private const string TYPE_NZB = 'nzb';
private const string TYPE_CODEC = 'codec';
private const string TYPE_WMV_ALL = 'wmv_all';
private const string TYPE_PAR2ONLY = 'par2only';
protected string $blacklistID = '';
protected string $crapTime = '';
protected bool $delete = false;
protected int $deletedCount = 0;
protected bool $echoCLI;
protected string $error = '';
protected bool $ignoreUserCheck = false;
protected string $method = '';
protected string $query = '';
protected ReleaseManagementService $releaseManagement;
private NzbService $nzb;
private ReleaseImageService $releaseImage;
/**
* Map of removal types to their handler methods.
*
* @var array<string, mixed>
*/
private array $removalHandlers;
public function __construct(
?ReleaseManagementService $releaseManagement = null,
?NzbService $nzb = null,
?ReleaseImageService $releaseImage = null
) {
$this->releaseManagement = $releaseManagement ?? app(ReleaseManagementService::class);
$this->nzb = $nzb ?? app(NzbService::class);
$this->releaseImage = $releaseImage ?? new ReleaseImageService;
$this->echoCLI = config('nntmux.echocli');
$this->initRemovalHandlers();
}
/**
* Initialise the removal handlers map.
*/
private function initRemovalHandlers(): void
{
$this->removalHandlers = [
self::TYPE_BLACKLIST => fn () => $this->removeBlacklist(),
self::TYPE_BLFILES => fn () => $this->removeBlacklistFiles(),
self::TYPE_EXECUTABLE => fn () => $this->removeExecutable(),
self::TYPE_GIBBERISH => fn () => $this->removeGibberish(),
self::TYPE_HASHED => fn () => $this->removeHashed(),
self::TYPE_INSTALLBIN => fn () => $this->removeInstallBin(),
self::TYPE_PASSWORDED => fn () => $this->removePassworded(),
self::TYPE_PASSWORDURL => fn () => $this->removePasswordURL(),
self::TYPE_SAMPLE => fn () => $this->removeSample(),
self::TYPE_SCR => fn () => $this->removeSCR(),
self::TYPE_SHORT => fn () => $this->removeShort(),
self::TYPE_SIZE => fn () => $this->removeSize(),
self::TYPE_NZB => fn () => $this->removeSingleNZB(),
self::TYPE_CODEC => fn () => $this->removeCodecPoster(),
self::TYPE_WMV_ALL => fn () => $this->removeWMV(),
self::TYPE_PAR2ONLY => fn () => $this->removePar2Only(),
];
}
/**
* Remove releases using user criteria.
*
* @param array<string, mixed> $arguments Array of criteria used to delete unwanted releases.
* Criteria format: columnName=modifier="content"
* Modifiers: equals, like, bigger, smaller
*
* @throws Exception
*/
public function removeByCriteria(array $arguments): bool|string
{
$this->delete = true;
$this->ignoreUserCheck = false;
$timeStart = now();
$this->query = 'SELECT id, guid, searchname FROM releases WHERE 1=1';
foreach ($arguments as $arg) {
$this->error = '';
$string = $this->formatCriteriaQuery($arg);
if ($string === false) {
return $this->returnError();
}
$this->query .= $string;
}
$this->query = $this->cleanSpaces($this->query);
if (! $this->checkUserResponse()) {
return false;
}
if (! $this->checkSelectQuery()) {
return $this->returnError();
}
$this->method = 'userCriteria';
$this->deletedCount = 0;
$this->deleteReleases();
$this->logCompletion($timeStart);
return true;
}
/**
* Delete crap releases.
*
* @param bool $delete Delete the release or just show the result?
* @param int|string $time Time in hours (to select old releases) or 'full' for no time limit.
* @param string $type Type of query to run (blacklist, executable, gibberish, etc.) or '' for all
*
* @throws Exception
*/
public function removeCrap(bool $delete, int|string $time, string $type = '', int|string $blacklistID = ''): bool|string
{
$timeStart = now();
$this->delete = $delete;
$this->blacklistID = $this->formatBlacklistID($blacklistID);
$type = strtolower(trim($type));
if (! $this->initCrapTime(trim($time), $type)) {
return $this->returnError();
}
$this->deletedCount = 0;
if (! $this->executeRemoval($type)) {
return $this->returnError();
}
$this->logCompletion($timeStart);
return true;
}
/**
* Format the blacklist ID for query use.
*/
private function formatBlacklistID(int|string $blacklistID): string
{
if ($blacklistID !== '' && is_numeric($blacklistID)) {
return sprintf('AND id = %d', $blacklistID);
}
return '';
}
/**
* Initialise the crap time filter.
*/
private function initCrapTime(string $time, string $type): bool
{
$this->crapTime = '';
if ($time === 'full') {
$this->logHeader('Removing '.($type === '' ? 'All crap releases ' : $type.' crap releases').' - no time limit.');
return true;
}
if (! is_numeric($time)) {
$this->error = 'Error, time must be a number or full.';
return false;
}
$this->logHeader('Removing '.($type === '' ? 'All crap releases ' : $type.' crap releases').' from the past '.$time.' hour(s).');
$this->crapTime = ' AND r.adddate > (NOW() - INTERVAL '.$time.' HOUR)';
return true;
}
/**
* Execute the removal based on type.
*/
private function executeRemoval(string $type): bool
{
if ($type === '') {
return $this->executeAllRemovals();
}
if (! isset($this->removalHandlers[$type])) {
$this->error = 'Wrong type: '.$type;
return false;
}
$this->removalHandlers[$type]();
return true;
}
/**
* Execute all removal types (excluding passwordurl and wmv_all).
*/
private function executeAllRemovals(): bool
{
$defaultTypes = [
self::TYPE_BLACKLIST,
self::TYPE_BLFILES,
self::TYPE_EXECUTABLE,
self::TYPE_GIBBERISH,
self::TYPE_HASHED,
self::TYPE_INSTALLBIN,
self::TYPE_PASSWORDED,
self::TYPE_SAMPLE,
self::TYPE_SCR,
self::TYPE_SHORT,
self::TYPE_SIZE,
self::TYPE_NZB,
self::TYPE_CODEC,
self::TYPE_PAR2ONLY,
];
foreach ($defaultTypes as $removalType) {
$this->removalHandlers[$removalType]();
}
return true;
}
/**
* Log completion message.
*/
private function logCompletion(Carbon $timeStart): void
{
if ($this->echoCLI) {
cli()->headerOver(($this->delete ? 'Deleted ' : 'Would have deleted ').$this->deletedCount.' release(s). This script ran for ');
cli()->header(now()->diffInSeconds($timeStart, true).' seconds', true);
}
}
/**
* Log a header message.
*/
private function logHeader(string $message): void
{
if ($this->echoCLI) {
cli()->header($message, true);
}
}
/**
* Execute a simple removal query with standard checks.
*
* @throws Exception
*/
private function executeSimpleRemoval(string $method, string $query): bool
{
$this->method = $method;
$this->query = $query;
if (! $this->checkSelectQuery()) {
return $this->returnError();
}
return $this->deleteReleases();
}
/**
* Remove releases with 15 or more letters or numbers, nothing else.
*
* @throws Exception
*/
protected function removeGibberish(): bool|string
{
return $this->executeSimpleRemoval('Gibberish', sprintf(
"SELECT r.guid, r.searchname, r.id
FROM releases r
WHERE r.nfostatus = 0
AND r.iscategorized = 1
AND r.rarinnerfilecount = 0
AND r.categories_id NOT IN (%d)
AND r.searchname REGEXP '^[a-zA-Z0-9]{15,}$'
%s",
Category::OTHER_HASHED,
$this->crapTime
));
}
/**
* Remove releases with 25 or more letters/numbers, probably hashed.
*
* @throws Exception
*/
protected function removeHashed(): bool|string
{
return $this->executeSimpleRemoval('Hashed', sprintf(
"SELECT r.guid, r.searchname, r.id
FROM releases r
WHERE r.nfostatus = 0
AND r.iscategorized = 1
AND r.rarinnerfilecount = 0
AND r.categories_id NOT IN (%d, %d)
AND r.searchname REGEXP '[a-zA-Z0-9]{25,}'
%s",
Category::OTHER_MISC,
Category::OTHER_HASHED,
$this->crapTime
));
}
/**
* Remove releases with 5 or less letters/numbers.
*
* @throws Exception
*/
protected function removeShort(): bool|string
{
return $this->executeSimpleRemoval('Short', sprintf(
"SELECT r.guid, r.searchname, r.id
FROM releases r
WHERE r.nfostatus = 0
AND r.iscategorized = 1
AND r.rarinnerfilecount = 0
AND r.categories_id NOT IN (%d)
AND r.searchname REGEXP '^[a-zA-Z0-9]{0,5}$'
%s",
Category::OTHER_MISC,
$this->crapTime
));
}
/**
* Remove releases with an exe file not in other misc or pc apps/games.
*
* @throws Exception
*/
protected function removeExecutable(): bool|string
{
return $this->executeSimpleRemoval('Executable', sprintf(
'SELECT r.guid, r.searchname, r.id
FROM releases r
JOIN release_files rf ON r.id = rf.releases_id
WHERE rf.name LIKE %s
AND r.categories_id NOT IN (%d, %d, %d, %d) %s',
escapeString('%.exe'),
Category::PC_0DAY,
Category::PC_GAMES,
Category::OTHER_MISC,
Category::OTHER_HASHED,
$this->crapTime
));
}
/**
* Remove releases with an install.bin file.
*
* @throws Exception
*/
protected function removeInstallBin(): bool|string
{
return $this->executeSimpleRemoval('Install.bin', sprintf(
'SELECT r.guid, r.searchname, r.id
FROM releases r
JOIN release_files rf ON r.id = rf.releases_id
WHERE rf.name LIKE %s %s',
escapeString('%install.bin%'),
$this->crapTime
));
}
/**
* Remove releases with a password.url file.
*
* @throws Exception
*/
protected function removePasswordURL(): bool|string
{
return $this->executeSimpleRemoval('Password.url', sprintf(
'SELECT r.guid, r.searchname, r.id
FROM releases r
JOIN release_files rf ON r.id = rf.releases_id
WHERE rf.name LIKE %s %s',
escapeString('%password.url%'),
$this->crapTime
));
}
/**
* Remove releases with password in the search name.
*
* @throws Exception
*/
protected function removePassworded(): bool|string
{
return $this->executeSimpleRemoval('Passworded', sprintf(
'SELECT r.guid, r.searchname, r.id
FROM releases r
WHERE r.searchname LIKE %s
AND r.searchname NOT LIKE %s
AND r.searchname NOT LIKE %s
AND r.searchname NOT LIKE %s
AND r.searchname NOT LIKE %s
AND r.searchname NOT LIKE %s
AND r.searchname NOT LIKE %s
AND r.categories_id NOT IN (%d, %d, %d, %d, %d, %d, %d, %d, %d) %s',
escapeString('%passwor%'),
escapeString('%advanced%'),
escapeString('%no password%'),
escapeString('%not password%'),
escapeString('%recovery%'),
escapeString('%reset%'),
escapeString('%unlocker%'),
Category::PC_GAMES,
Category::PC_0DAY,
Category::PC_ISO,
Category::PC_MAC,
Category::PC_PHONE_ANDROID,
Category::PC_PHONE_IOS,
Category::PC_PHONE_OTHER,
Category::OTHER_MISC,
Category::OTHER_HASHED,
$this->crapTime
));
}
/**
* Remove releases smaller than site minimum file size with 1 part not in MP3/books/misc section.
*
* @throws Exception
*/
protected function removeSize(): bool|string
{
$minSize = (int) Settings::settingValue('minsizetoformrelease');
if ($minSize === 0) {
$minSize = 2097152; // Default to 2MB if not set
}
return $this->executeSimpleRemoval('Size', sprintf(
'SELECT r.guid, r.searchname, r.id
FROM releases r
WHERE r.totalpart = 1
AND r.size < %d
AND r.categories_id NOT IN (%d, %d, %d, %d, %d, %d, %d, %d, %d, %d, %d) %s',
$minSize,
Category::MUSIC_MP3,
Category::BOOKS_COMICS,
Category::BOOKS_EBOOK,
Category::BOOKS_FOREIGN,
Category::BOOKS_MAGAZINES,
Category::BOOKS_TECHNICAL,
Category::BOOKS_UNKNOWN,
Category::PC_0DAY,
Category::PC_GAMES,
Category::OTHER_MISC,
Category::OTHER_HASHED,
$this->crapTime
));
}
/**
* Remove releases that are just a single nzb file.
*
* @throws Exception
*/
protected function removeSingleNZB(): bool|string
{
return $this->executeSimpleRemoval('.nzb', sprintf(
'SELECT r.guid, r.searchname, r.id
FROM releases r
JOIN release_files rf ON r.id = rf.releases_id
WHERE r.totalpart = 1
AND rf.name LIKE %s %s',
escapeString('%.nzb%'),
$this->crapTime
));
}
/**
* Remove releases with more than 1 part, less than 40MB, sample in name. TV/Movie sections.
*
* @throws Exception
*/
protected function removeSample(): bool|string
{
return $this->executeSimpleRemoval('Sample', sprintf(
'SELECT r.guid, r.searchname, r.id
FROM releases r
WHERE r.totalpart > 1
AND r.size < 40000000
AND r.name LIKE %s
AND r.categories_id IN (%d, %d, %d, %d, %d, %d, %d, %d, %d, %d, %d, %d, %d, %d, %d) %s',
escapeString('%sample%'),
Category::TV_ANIME,
Category::TV_DOCU,
Category::TV_FOREIGN,
Category::TV_HD,
Category::TV_OTHER,
Category::TV_SD,
Category::TV_SPORT,
Category::TV_WEBDL,
Category::MOVIE_3D,
Category::MOVIE_BLURAY,
Category::MOVIE_DVD,
Category::MOVIE_FOREIGN,
Category::MOVIE_HD,
Category::MOVIE_OTHER,
Category::MOVIE_SD,
$this->crapTime
));
}
/**
* Remove releases with a scr file in the filename/subject.
*
* @throws Exception
*/
protected function removeSCR(): bool|string
{
return $this->executeSimpleRemoval('.scr', sprintf(
"SELECT r.guid, r.searchname, r.id
FROM releases r
JOIN release_files rf ON r.id = rf.releases_id
WHERE (rf.name REGEXP '[.]scr[$ \"]' OR r.name REGEXP '[.]scr[$ \"]')
%s",
$this->crapTime
));
}
/**
* Remove releases using the site blacklist regexes.
*
* @throws Exception
*/
protected function removeBlacklist(): bool
{
$status = (empty($this->blacklistID) || $this->delete)
? sprintf('AND status = %d', BlacklistConstants::BLACKLIST_ENABLED)
: '';
$regexList = DB::select(sprintf(
'SELECT regex, id, groupname, msgcol
FROM binaryblacklist
WHERE optype = %d
AND msgcol IN (%d, %d) %s %s
ORDER BY id ASC',
BlacklistConstants::OPTYPE_BLACKLIST,
BlacklistConstants::BLACKLIST_FIELD_SUBJECT,
BlacklistConstants::BLACKLIST_FIELD_FROM,
$this->blacklistID,
$status
));
if (empty($regexList)) {
cli()->error("No regular expressions were selected for blacklist removal. Make sure you have activated REGEXPs in Site Edit and you're specifying a valid ID.", true);
return true;
}
$rules = $this->compileBlacklistRules($regexList);
if ($rules === []) {
return true;
}
$this->processPhpMatchedCandidates(
'SELECT r.id, r.guid, r.searchname, r.fromname, r.groups_id FROM releases r WHERE 1=1 '.$this->crapTime,
function (object $release) use ($rules): ?string {
foreach ($rules as $rule) {
if (! $this->ruleAppliesToGroup($rule, (int) $release->groups_id)) {
continue;
}
$value = (int) $rule->msgcol === BlacklistConstants::BLACKLIST_FIELD_SUBJECT
? (string) $release->searchname
: (string) $release->fromname;
if (preg_match($rule->pattern, $value) === 1) {
return 'Blacklist ['.$rule->id.']';
}
}
return null;
}
);
return true;
}
/**
* Remove releases using the site blacklist regexes against file names.
*
* @throws Exception
*/
protected function removeBlacklistFiles(): bool
{
$allRegex = DB::select(sprintf(
'SELECT regex, id, groupname
FROM binaryblacklist
WHERE status = %d
AND optype = %d
AND msgcol = %d
ORDER BY id ASC',
BlacklistConstants::BLACKLIST_ENABLED,
BlacklistConstants::OPTYPE_BLACKLIST,
BlacklistConstants::BLACKLIST_FIELD_SUBJECT
));
if (empty($allRegex)) {
return true;
}
$rules = $this->compileBlacklistRules($allRegex);
if ($rules === []) {
return true;
}
$this->processPhpMatchedCandidates(
'SELECT r.id, r.guid, r.searchname, r.groups_id FROM releases r '.
'WHERE EXISTS (SELECT 1 FROM release_files rf WHERE rf.releases_id = r.id) '.$this->crapTime,
function (object $release) use ($rules): ?string {
foreach ($rules as $rule) {
if (! $this->ruleAppliesToGroup($rule, (int) $release->groups_id)) {
continue;
}
foreach ($release->file_names as $name) {
if (preg_match($rule->pattern, (string) $name) === 1) {
return 'Blacklist Files '.$rule->id;
}
}
}
return null;
},
true
);
return true;
}
/**
* @param array<int, object> $rules
* @return array<int, object>
*/
private function compileBlacklistRules(array $rules): array
{
$groups = DB::table('usenet_groups')->pluck('name', 'id');
$compiled = [];
foreach ($rules as $rule) {
$pattern = '/'.$rule->regex.'/i';
if (@preg_match($pattern, '') === false) {
Log::warning('Skipping invalid release-removal blacklist regex', [
'blacklist_id' => $rule->id,
'regex' => $rule->regex,
]);
continue;
}
$rule->pattern = $pattern;
$rule->group_ids = null;
if (strtolower((string) $rule->groupname) !== 'alt.binaries.*') {
$groupPattern = '/'.$rule->groupname.'/i';
if (@preg_match($groupPattern, '') === false) {
Log::warning('Skipping blacklist with invalid group regex', [
'blacklist_id' => $rule->id,
'group_regex' => $rule->groupname,
]);
continue;
}
$rule->group_ids = $groups
->filter(static fn (string $name): bool => preg_match($groupPattern, $name) === 1)
->keys()
->map(static fn (int|string $id): int => (int) $id)
->all();
if ($rule->group_ids === []) {
continue;
}
}
$compiled[] = $rule;
}
return $compiled;
}
private function ruleAppliesToGroup(object $rule, int $groupId): bool
{
return $rule->group_ids === null || in_array($groupId, $rule->group_ids, true);
}
/**
* @param callable(object): ?string $matcher
*/
private function processPhpMatchedCandidates(string $candidateSql, callable $matcher, bool $includeFiles = false): void
{
$lastId = 0;
do {
$candidates = DB::select(
'SELECT candidates.* FROM ('.$this->cleanSpaces($candidateSql).') candidates '.
'WHERE candidates.id > ? ORDER BY candidates.id ASC LIMIT '.self::BATCH_SIZE,
[$lastId]
);
if ($candidates === []) {
break;
}
$lastId = (int) end($candidates)->id;
$matches = collect();
if ($includeFiles) {
$fileNames = DB::table('release_files')
->whereIn('releases_id', array_column($candidates, 'id'))
->select(['releases_id', 'name'])
->get()
->groupBy('releases_id');
foreach ($candidates as $candidate) {
$candidate->file_names = $fileNames
->get((int) $candidate->id, collect())
->pluck('name');
}
}
foreach ($candidates as $candidate) {
$method = $matcher($candidate);
if ($method === null) {
continue;
}
$candidate->removal_method = $method;
$matches->push($candidate);
}
foreach ($matches as $release) {
if ($this->echoCLI) {
cli()->primary(
($this->delete ? 'Deleting: ' : 'Would be deleting: ').$release->removal_method.': '.$release->searchname,
true
);
}
}
if ($this->delete && $matches->isNotEmpty()) {
$this->releaseManagement->deleteBatch($matches, $this->nzb, $this->releaseImage);
}
$this->deletedCount += $matches->count();
if (count($candidates) === self::BATCH_SIZE) {
usleep(self::BATCH_PAUSE_US);
}
} while (true);
}
/**
* Remove releases that contain .wmv file, aka that spam poster.
* Thanks to dizant from nZEDb forums for the sql query.
*
* @throws Exception
*/
protected function removeWMV(): bool|string
{
return $this->executeSimpleRemoval('WMV_ALL', sprintf(
"SELECT r.guid, r.searchname, r.id
FROM releases r
LEFT JOIN release_files rf ON (r.id = rf.releases_id)
WHERE r.categories_id BETWEEN %d AND %d
AND rf.name REGEXP 'x264.*\\.wmv$'
GROUP BY r.id %s",
Category::TV_ROOT,
Category::TV_OTHER,
$this->crapTime
));
}
/**
* Remove releases that contain .wmv files and Codec\Setup.exe files, aka that spam poster.
* Thanks to dizant from nZEDb forums for parts of the sql query.
*
* @throws Exception
*/
protected function removeCodecPoster(): bool|string
{
$categories = $this->buildCategoryList([ // @phpstan-ignore argument.type
Category::MOVIE_3D,
Category::MOVIE_BLURAY,
Category::MOVIE_DVD,
Category::MOVIE_FOREIGN,
Category::MOVIE_HD,
Category::MOVIE_OTHER,
Category::MOVIE_SD,
Category::XXX_WMV,
Category::XXX_X264,
Category::XXX_XVID,
Category::XXX_OTHER,
]);
$videoRegex = '\.*((DVDrip|BRRip)[. ].*[. ](R[56]|HQ)|720p[ .](DVDrip|HQ)|Webrip.*[. ](R[56]|Xvid|AC3|US)'
.'|720p.*[. ]WEB-DL[. ]Xvid[. ]AC3[. ]US|HDRip.*[. ]Xvid[. ]DD5).*[. ]avi$';
return $this->executeSimpleRemoval('Codec', "
SELECT r.guid, r.searchname, r.id
FROM releases r
LEFT JOIN release_files rf ON r.id = rf.releases_id
WHERE r.categories_id IN ({$categories})
AND ((r.imdbid IS NOT NULL AND r.imdbid NOT IN ('', '0')) OR r.categories_id BETWEEN ".Category::XXX_ROOT.' AND '.Category::XXX_OTHER.")
AND r.nfostatus = 1
AND r.haspreview = 0
AND r.jpgstatus = 0
AND r.predb_id = 0
AND r.videostatus = 0
AND (
rf.name REGEXP 'XviD-[a-z]{3}\\.(avi|mkv|wmv)$'
OR rf.name REGEXP 'x264.*\\.(wmv|avi)$'
OR rf.name REGEXP '{$videoRegex}'
OR rf.name LIKE '%\\Codec%Setup.exe%'
OR rf.name LIKE '%\\Codec%Installer.exe%'
OR rf.name LIKE '%\\Codec.exe%'
OR rf.name LIKE '%If_you_get_error.txt%'
OR rf.name LIKE '%read me if the movie not playing.txt%'
OR rf.name LIKE '%Lisez moi si le film ne demarre pas.txt%'
OR rf.name LIKE '%lees me als de film niet spelen.txt%'
OR rf.name LIKE '%Lesen Sie mir wenn der Film nicht abgespielt.txt%'
OR rf.name LIKE '%Lesen Sie mir, wenn der Film nicht starten.txt%'
)
GROUP BY r.id {$this->crapTime}");
}
/**
* Remove releases that contain only PAR2 files (no actual content files).
*
* These releases are useless since PAR2 files are only repair/verification
* data and cannot be used without the original content files.
*
* Two detection strategies are used:
* 1. The searchname contains a .par2 filename AND has no associated
* release_files, or only par2 release_files. The character class after
* .par2 includes underscore because the searchname sanitizer replaces
* quotes and special chars with underscores (e.g. .par2" becomes .par2_).
* Note: We intentionally do NOT match on r.name (raw Usenet subject)
* because many legitimate releases list a .par2 index file in the subject
* even though the actual content is video/audio/etc.
* 2. All associated release_files have names containing .par2 (rare edge case
* where par2 metadata was stored during post-processing).
*
* @throws Exception
*/
protected function removePar2Only(): bool|string
{
// Strategy 1: searchname contains a par2 filename pattern and has
// no non-par2 release_files. Matches .par2 (index) and .vol123+45.par2 (volumes)
// followed by a delimiter char or end of string.
// IMPORTANT: We use [.] and [+] instead of \. and \+ because MySQL's SQL
// string parser silently strips backslashes before unrecognized escape chars
// (e.g. \. → . , \+ → +) before the regex engine sees them.
// The delimiter class []" _[)(>] includes: ] " space _ [ ) ( > where ]
// must be first in the class per regex syntax.
$this->executeSimpleRemoval('Par2Only', sprintf(
"SELECT r.guid, r.searchname, r.id
FROM releases r
WHERE r.searchname REGEXP '[.](vol[0-9]+[+][0-9]+[.]par2|par2)([]\" _[)(>]|$)'
AND r.id NOT IN (
SELECT rf.releases_id FROM release_files rf
WHERE rf.name NOT REGEXP '[.]par2'
)
%s",
$this->crapTime
));
// Strategy 2: All release_files are .par2
return $this->executeSimpleRemoval('Par2Only_Files', sprintf(
"SELECT r.guid, r.searchname, r.id
FROM releases r
INNER JOIN release_files rf ON r.id = rf.releases_id
WHERE 1=1 %s
GROUP BY r.id, r.guid, r.searchname
HAVING COUNT(*) = SUM(CASE WHEN rf.name REGEXP '[.]par2' THEN 1 ELSE 0 END)",
$this->crapTime
));
}
/**
* Build a comma-separated list of category IDs.
*
* @param array<string, mixed> $categories
*/
private function buildCategoryList(array $categories): string
{
return implode(', ', $categories);
}
/**
* Delete releases from the database.
*
* @throws Exception
*/
protected function deleteReleases(): bool
{
$lastId = 0;
do {
$batch = DB::select(
'SELECT candidates.id, candidates.guid, candidates.searchname FROM ('.$this->cleanSpaces($this->query).') candidates '.
'WHERE candidates.id > ? ORDER BY candidates.id ASC LIMIT '.self::BATCH_SIZE,
[$lastId]
);
if ($batch === []) {
break;
}
$batch = collect($batch)->unique('id')->values();
$lastId = (int) $batch->max('id');
foreach ($batch as $release) {
if ($this->echoCLI) {
cli()->primary(
($this->delete ? 'Deleting: ' : 'Would be deleting: ').$this->method.': '.$release->searchname,
true
);
}
}
if ($this->delete) {
$this->releaseManagement->deleteBatch($batch, $this->nzb, $this->releaseImage);
}
$this->deletedCount += $batch->count();
if ($batch->count() === self::BATCH_SIZE) {
usleep(self::BATCH_PAUSE_US);
}
} while (true);
return true;
}
/**
* Verify if the query has any results.
*
* @return bool False on failure, true on success after setting a count of found releases.
*/
protected function checkSelectQuery(): bool
{
$result = DB::select(
'SELECT 1 FROM ('.$this->cleanSpaces($this->query).') candidates LIMIT 1'
);
if (empty($result)) {
$this->error = '';
if ($this->method === 'userCriteria') {
$this->error = 'No releases were found to delete, try changing your criteria.';
}
return false;
}
return true;
}
/**
* Go through user arguments and format part of the query.
*
* @param string $argument User argument (format: column=modifier=value)
* @return string|false
*/
protected function formatCriteriaQuery(string $argument): bool|string
{
if ($argument === 'ignore') {
$this->ignoreUserCheck = true;
return '';
}
$this->error = 'Invalid argument supplied: '.$argument.PHP_EOL;
$args = explode('=', $argument);
if (\count($args) !== 3) {
return false;
}
$column = $this->cleanSpaces($args[0]);
$modifier = $this->cleanSpaces($args[1]);
$value = $this->cleanSpaces($args[2]);
return $this->buildCriteriaClause($column, $modifier, $value);
}
/**
* Build a criteria clause based on column, modifier and value.
*/
private function buildCriteriaClause(string $column, string $modifier, string $value): bool|string
{
// Simple equals columns
$simpleEqualsColumns = ['categories_id', 'nzbstatus', 'videos_id'];
if (in_array($column, $simpleEqualsColumns) && $modifier === 'equals') {
return " AND {$column} = {$value}";
}
// Columns that support equals, bigger, smaller
$numericColumns = ['totalpart', 'size'];
if (in_array($column, $numericColumns)) {
if ($column === 'size' && ! is_numeric($value)) {
return false;
}
return $this->buildNumericClause($column, $modifier, $value);
}
// Date columns (note: bigger means older, smaller means newer)
$dateColumns = ['adddate', 'postdate'];
if (in_array($column, $dateColumns)) {
if (! is_numeric($value)) {
return false;
}
return $this->buildDateClause($column, $modifier, $value);
}
// String columns with equals/like support
$stringColumns = ['fromname', 'name', 'searchname'];
if (in_array($column, $stringColumns)) {
return $this->buildStringClause($column, $modifier, $value);
}
// Special cases
return match ($column) {
'imdbid' => $this->buildImdbClause($modifier, $value),
'guid' => $modifier === 'equals' ? ' AND guid = '.escapeString($value) : false,
'groupname' => $this->buildGroupClause($modifier, $value),
'completion' => $this->buildCompletionClause($modifier, $value),
default => false,
};
}
/**
* Build numeric comparison clause.
*/
private function buildNumericClause(string $column, string $modifier, string $value): bool|string
{
return match ($modifier) {
'equals' => " AND {$column} = {$value}",
'bigger' => " AND {$column} > {$value}",
'smaller' => " AND {$column} < {$value}",
default => false,
};
}
/**
* Build date comparison clause.
*/
private function buildDateClause(string $column, string $modifier, string $value): bool|string
{
return match ($modifier) {
'bigger' => " AND {$column} < NOW() - INTERVAL {$value} HOUR",
'smaller' => " AND {$column} > NOW() - INTERVAL {$value} HOUR",
default => false,
};
}
/**
* Build string comparison clause.
*/
private function buildStringClause(string $column, string $modifier, string $value): bool|string
{
return match ($modifier) {
'equals' => " AND {$column} = ".escapeString($value),
'like' => " AND {$column} ".$this->formatLike($value, $column),
default => false,
};
}
/**
* Build imdbid clause.
*/
private function buildImdbClause(string $modifier, string $value): bool|string
{
if ($modifier !== 'equals') {
return false;
}
return $value === 'NULL' ? ' AND imdbid IS NULL ' : ' AND imdbid = '.$value;
}
/**
* Build group clause.
*/
private function buildGroupClause(string $modifier, string $value): bool|string
{
if ($modifier === 'equals') {
$group = DB::select('SELECT id FROM usenet_groups WHERE name = '.escapeString($value));
if (empty($group)) {
$this->error = 'This group was not found in your database: '.$value.PHP_EOL;
return false;
}
return ' AND groups_id = '.$group[0]->id;
}
if ($modifier === 'like') {
$groups = DB::select('SELECT id FROM usenet_groups WHERE name '.$this->formatLike($value, 'name'));
if (empty($groups)) {
$this->error = 'No groups were found with this pattern in your database: '.$value.PHP_EOL;
return false;
}
$ids = collect($groups)->pluck('id')->implode(',');
return ' AND groups_id IN ('.$ids.')';
}
return false;
}
/**
* Build completion clause.
*/
private function buildCompletionClause(string $modifier, string $value): bool|string
{
if (! is_numeric($value) || $modifier !== 'smaller') {
return false;
}
return ' AND completion > 0 AND completion < '.$value;
}
/**
* Check if the user wants to run the current query.
*/
protected function checkUserResponse(): bool
{
if ($this->ignoreUserCheck) {
return true;
}
cli()->primary(
'This is the query we have formatted using your criteria, you can run it in SQL to see if you like the results:'.
PHP_EOL.$this->query.';'.PHP_EOL.
'If you are satisfied, type yes and press enter. Anything else will exit.',
true
);
$userInput = trim(fgets(fopen('php://stdin', 'rtb')));
if ($userInput !== 'yes') {
cli()->primary('You typed: "'.$userInput.'", the program will exit.', true);
return false;
}
return true;
}
/**
* Remove multiple spaces and trim leading spaces.
*/
protected function cleanSpaces(string $string): string
{
return trim(preg_replace('/\s{2,}/', ' ', $string));
}
/**
* Format a "like" string. ie: "name LIKE '%test%' AND name LIKE '%123%'.
*/
protected function formatLike(string $string, string $column): string
{
$parts = explode(' ', $string);
if (\count($parts) > 1) {
$string = implode("%' AND {$column} LIKE '%", array_unique($parts));
}
return " LIKE '%".$string."%' ";
}
/**
* Log error and return false.
*/
protected function returnError(): bool
{
if ($this->echoCLI && $this->error !== '') {
cli()->error($this->error, true);
}
return false;
}
}