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pixelfed/app/Services/SearchApiV2Service.php

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PHP
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<?php
namespace App\Services;
use App\Hashtag;
use App\Profile;
use App\Status;
use App\Transformer\Api\AccountTransformer;
use App\Util\ActivityPub\Helpers;
use Illuminate\Support\Str;
use League\Fractal;
use League\Fractal\Serializer\ArraySerializer;
class SearchApiV2Service
{
private $query;
public static $mastodonMode = false;
public static function query($query, $mastodonMode = false)
{
self::$mastodonMode = $mastodonMode;
return (new self)->run($query);
}
protected function run($query)
{
$this->query = $query;
$q = urldecode($query->input('q'));
if ($query->has('resolve') &&
(Str::startsWith($q, 'https://') ||
Str::substrCount($q, '@') >= 1)
) {
return $this->resolveQuery();
}
if ($query->has('type')) {
switch ($query->input('type')) {
case 'accounts':
return [
'accounts' => $this->accounts(),
'hashtags' => [],
'statuses' => [],
];
break;
case 'hashtags':
return [
'accounts' => [],
'hashtags' => $this->hashtags(),
'statuses' => [],
];
break;
case 'statuses':
return [
'accounts' => [],
'hashtags' => [],
'statuses' => $this->statuses(),
];
break;
}
}
if ($query->has('account_id')) {
return [
'accounts' => [],
'hashtags' => [],
'statuses' => $this->statusesById(),
];
}
return [
'accounts' => $this->accounts(),
'hashtags' => $this->hashtags(),
'statuses' => $this->statuses(),
];
}
protected function accounts($initalQuery = false)
{
$mastodonMode = self::$mastodonMode;
$user = request()->user();
$limit = $this->query->input('limit') ?? 20;
$offset = $this->query->input('offset') ?? 0;
$rawQuery = $initalQuery ? $initalQuery : $this->query->input('q');
$query = $rawQuery.'%';
$webfingerQuery = $query;
if (Str::substrCount($rawQuery, '@') == 1 && substr($rawQuery, 0, 1) !== '@') {
$query = '@'.$query;
}
if (substr($webfingerQuery, 0, 1) !== '@') {
$webfingerQuery = '@'.$webfingerQuery;
}
$banned = InstanceService::getBannedDomains() ?? [];
$domainBlocks = UserFilterService::domainBlocks($user->profile_id);
if ($domainBlocks && count($domainBlocks)) {
$banned = array_unique(
array_values(
array_merge($banned, $domainBlocks)
)
);
}
$operator = config('database.default') === 'pgsql' ? 'ilike' : 'like';
$results = Profile::select('username', 'id', 'followers_count', 'domain')
->where('username', $operator, $query)
->orWhere('webfinger', $operator, $webfingerQuery)
->orderByDesc('profiles.followers_count')
->offset($offset)
->limit($limit)
->get()
->filter(function ($profile) use ($banned) {
return in_array($profile->domain, $banned) == false;
})
->map(function ($res) use ($mastodonMode) {
return $mastodonMode ?
AccountService::getMastodon($res['id']) :
AccountService::get($res['id']);
})
->filter(function ($account) {
return $account && isset($account['id']) && ! isset($account['moved'], $account['moved']['id']);
})
->values();
return $results;
}
protected function hashtags()
{
$mastodonMode = self::$mastodonMode;
$q = $this->query->input('q');
$limit = $this->query->input('limit') ?? 20;
$offset = $this->query->input('offset') ?? 0;
$query = Str::startsWith($q, '#') ? substr($q, 1).'%' : $q;
$operator = config('database.default') === 'pgsql' ? 'ilike' : 'like';
return Hashtag::where('name', $operator, $query)
->orderByDesc('cached_count')
->offset($offset)
->limit($limit)
->get()
->filter(function ($tag) {
return $tag->can_search != false;
})
->map(function ($tag) use ($mastodonMode) {
$res = [
'name' => $tag->name,
'url' => $tag->url(),
];
if (! $mastodonMode) {
$res['history'] = [];
$res['count'] = $tag->cached_count ?? 0;
}
return $res;
})
->values();
}
protected function statuses()
{
// Removed until we provide more relevent sorting/results
return [];
}
protected function statusesById()
{
// Removed until we provide more relevent sorting/results
return [];
}
protected function resolveQuery()
{
$default = [
'accounts' => [],
'hashtags' => [],
'statuses' => [],
];
$user = request()->user();
$mastodonMode = self::$mastodonMode;
$query = urldecode($this->query->input('q'));
$banned = InstanceService::getBannedDomains();
$domainBlocks = UserFilterService::domainBlocks($user->profile_id);
if ($domainBlocks && count($domainBlocks)) {
$banned = array_unique(
array_values(
array_merge($banned, $domainBlocks)
)
);
}
if (substr($query, 0, 1) === '@' && ! Str::contains($query, '.')) {
$default['accounts'] = $this->accounts(substr($query, 1));
return $default;
}
if (Helpers::validateLocalUrl($query)) {
if (Str::contains($query, '/p/') || Str::contains($query, 'i/web/post/')) {
return $this->resolveLocalStatus();
} elseif (Str::contains($query, 'i/web/profile/')) {
return $this->resolveLocalProfileId();
} else {
return $this->resolveLocalProfile();
}
} else {
if (! Helpers::validateUrl($query) && strpos($query, '@') == -1) {
return $default;
}
if (! Str::startsWith($query, 'http') && Str::substrCount($query, '@') == 1 && strpos($query, '@') !== 0) {
try {
$res = WebfingerService::lookup('@'.$query, $mastodonMode);
} catch (\Exception $e) {
return $default;
}
if ($res && isset($res['id'], $res['url'])) {
$domain = strtolower(parse_url($res['url'], PHP_URL_HOST));
if (in_array($domain, $banned)) {
return $default;
}
$default['accounts'][] = $res;
return $default;
} else {
return $default;
}
}
if (Str::substrCount($query, '@') == 2) {
try {
$res = WebfingerService::lookup($query, $mastodonMode);
} catch (\Exception $e) {
return $default;
}
if ($res && isset($res['id'])) {
$domain = strtolower(parse_url($res['url'], PHP_URL_HOST));
if (in_array($domain, $banned)) {
return $default;
}
$default['accounts'][] = $res;
return $default;
} else {
return $default;
}
}
if ($sid = Status::whereUri($query)->first()) {
$s = StatusService::get($sid->id, false);
if (! $s || isset($s['account']['moved'], $s['account']['moved']['id'])) {
return $default;
}
if (in_array($s['visibility'], ['public', 'unlisted'])) {
$default['statuses'][] = $s;
return $default;
}
}
try {
$res = ActivityPubFetchService::get($query);
if ($res) {
$json = json_decode($res, true);
if (! $json || ! isset($json['@context']) || ! isset($json['type']) || ! in_array($json['type'], ['Note', 'Person'])) {
return [
'accounts' => [],
'hashtags' => [],
'statuses' => [],
];
}
switch ($json['type']) {
case 'Note':
$obj = Helpers::statusFetch($query);
if (! $obj || ! isset($obj['id'])) {
return $default;
}
$note = $mastodonMode ?
StatusService::getMastodon($obj['id'], false) :
StatusService::get($obj['id'], false);
if (! $note) {
return $default;
}
if (! isset($note['visibility']) || ! in_array($note['visibility'], ['public', 'unlisted'])) {
return $default;
}
$default['statuses'][] = $note;
return $default;
break;
case 'Person':
$obj = Helpers::profileFetch($query);
if (! $obj) {
return $default;
}
if (in_array($obj['domain'], $banned)) {
return $default;
}
$default['accounts'][] = $mastodonMode ?
AccountService::getMastodon($obj['id'], true) :
AccountService::get($obj['id'], true);
return $default;
break;
default:
return [
'accounts' => [],
'hashtags' => [],
'statuses' => [],
];
break;
}
}
} catch (\Exception $e) {
return [
'accounts' => [],
'hashtags' => [],
'statuses' => [],
];
}
return $default;
}
}
protected function resolveLocalStatus()
{
$query = urldecode($this->query->input('q'));
$query = last(explode('/', parse_url($query, PHP_URL_PATH)));
$status = StatusService::getMastodon($query, false);
if (! $status || ! in_array($status['visibility'], ['public', 'unlisted'])) {
return [
'accounts' => [],
'hashtags' => [],
'statuses' => [],
];
}
$res = [
'accounts' => [],
'hashtags' => [],
'statuses' => [$status],
];
return $res;
}
protected function resolveLocalProfile()
{
$query = urldecode($this->query->input('q'));
$query = last(explode('/', parse_url($query, PHP_URL_PATH)));
$profile = Profile::whereNull('status')
->whereNull('domain')
->whereUsername($query)
->first();
if (! $profile || $profile->moved_to_profile_id) {
return [
'accounts' => [],
'hashtags' => [],
'statuses' => [],
];
}
$fractal = new Fractal\Manager;
$fractal->setSerializer(new ArraySerializer);
$resource = new Fractal\Resource\Item($profile, new AccountTransformer);
return [
'accounts' => [$fractal->createData($resource)->toArray()],
'hashtags' => [],
'statuses' => [],
];
}
protected function resolveLocalProfileId()
{
$query = urldecode($this->query->input('q'));
$query = last(explode('/', parse_url($query, PHP_URL_PATH)));
$profile = Profile::whereNull('status')
->find($query);
if (! $profile) {
return [
'accounts' => [],
'hashtags' => [],
'statuses' => [],
];
}
$fractal = new Fractal\Manager;
$fractal->setSerializer(new ArraySerializer);
$resource = new Fractal\Resource\Item($profile, new AccountTransformer);
return [
'accounts' => [$fractal->createData($resource)->toArray()],
'hashtags' => [],
'statuses' => [],
];
}
}
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