210 lines
8.3 KiB
PHP
210 lines
8.3 KiB
PHP
<?php
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namespace App\Service;
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use App\Enums\ConfigKey;
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use App\Enums\GroupConfigKey;
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use App\Enums\ImagePermission;
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use App\Enums\Strategy\KodoOption;
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use App\Enums\Strategy\LocalOption;
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use App\Enums\StrategyKey;
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use App\Enums\UserConfigKey;
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use App\Enums\UserStatus;
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use App\Exceptions\UploadException;
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use App\Models\Group;
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use App\Models\Image;
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use App\Models\Strategy;
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use App\Models\User;
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use App\Utils;
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use Carbon\Carbon;
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use Illuminate\Database\Eloquent\Builder;
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use Illuminate\Http\Request;
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use Illuminate\Http\UploadedFile;
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use Illuminate\Support\Collection;
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use Illuminate\Support\Facades\DB;
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use Illuminate\Support\Str;
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use Intervention\Image\Facades\Image as InterventionImage;
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use League\Flysystem\Filesystem;
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use League\Flysystem\FilesystemAdapter;
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use League\Flysystem\FilesystemException;
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use League\Flysystem\Local\LocalFilesystemAdapter;
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use Overtrue\Flysystem\Qiniu\QiniuAdapter;
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class ImageService
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{
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/**
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* @param Request $request
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* @param User|null $user
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* @return Image
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* @throws UploadException
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*/
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public function store(Request $request, ?User $user = null): Image
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{
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$file = $request->file('file');
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if (is_null($user) && ! Utils::config(ConfigKey::IsAllowGuestUpload, true)) {
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throw new UploadException('管理员关闭了游客上传');
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}
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$img = InterventionImage::make($file);
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$image = new Image();
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// 组配置
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$configs = Group::getDefaultConfig();
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// 默认使用本地储存策略
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$disk = collect([
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'driver' => StrategyKey::Local,
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'configs' => collect([LocalOption::Root => config('filesystems.disks.uploads.root')]),
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]);
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if (! is_null($user)) {
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if ($user->status !== UserStatus::Normal) {
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throw new UploadException('账号状态异常');
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}
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// 如果该用户有角色组，覆盖默认组、上传策略配置
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if ($user->group) {
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$configs = $user->group->configs;
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// 获取策略列表，根据用户所选的策略上传
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$strategies = $user->group->strategies()->get();
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if ($strategies->isNotEmpty()) {
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// 是否指定了默认的策略
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$defaultStrategyId = $user->configs->get(UserConfigKey::DefaultStrategy, 0);
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/** @var Strategy $strategy $disk */
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$strategy = $strategies->find($defaultStrategyId, $strategies->first());
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$disk = collect(['driver' => $strategy->key, 'configs' => $strategy->configs]);
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$image->strategy_id = $strategy->id;
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}
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}
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if ($file->getSize() / 1024 + $user->images()->sum('size') > $user->capacity) {
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throw new UploadException('储存空间不足');
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}
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$image->user_id = $user->id;
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// 图片保存至默认相册(若有)
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if ($albumId = $user->configs->get(UserConfigKey::DefaultAlbum)) {
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if ($user->albums()->where('id', $albumId)->exists()) {
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$image->album_id = $albumId;
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}
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}
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}
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if (! in_array($file->extension(), $configs->get(GroupConfigKey::AcceptedFileSuffixes))) {
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throw new UploadException('不支持的文件类型');
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}
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if ($file->getSize() / 1024 > $configs->get(GroupConfigKey::MaximumFileSize)) {
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throw new UploadException("图片大小超出限制");
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}
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$carbon = Carbon::now();
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$format = 'Y-m-d H:i:s';
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$array = [
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'minute' => ['key' => GroupConfigKey::LimitPerMinute, 'str' => '分钟'],
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'hours' => ['key' => GroupConfigKey::LimitPerHour, 'str' => '小时'],
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'days' => ['key' => GroupConfigKey::LimitPerDay, 'str' => '天'],
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'weeks' => ['key' => GroupConfigKey::LimitPerWeek, 'str' => '周'],
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'months' => ['key' => GroupConfigKey::LimitPerWeek, 'str' => '月'],
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];
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$sql = collect(array_keys($array))->transform(function ($range) use ($carbon, $format) {
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return "count(if(`created_at` between '{$carbon->parse("-1 {$range}")->format($format)}' and '{$carbon->format($format)}', 1, null)) as {$range}";
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})->implode(', ');
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$statistics = Image::query()->selectRaw($sql)->when(! is_null($user), function (Builder $builder) use ($user) {
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$builder->where('user_id', $user->id);
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}, function (Builder $builder) use ($request) {
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$builder->where('uploaded_ip', $request->ip())->whereNull('user_id');
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})->first();
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foreach ($array as $key => $item) {
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$value = $configs->get($item['key'], 0);
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if ($statistics->$key >= $value) {
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throw new UploadException("每{$item['str']}内你最多可以上传 {$value} 张图片");
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}
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}
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$pathname = $this->replacePathname(
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$configs->get(GroupConfigKey::PathNamingRule).'/'.$configs->get(GroupConfigKey::FileNamingRule), $file,
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).".{$file->extension()}";
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$image->fill([
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'md5' => md5_file($file->getRealPath()),
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'sha1' => sha1_file($file->getRealPath()),
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'path' => dirname($pathname),
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'name' => basename($pathname),
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'origin_name' => $file->getClientOriginalName(),
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'size' => $file->getSize() / 1024,
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'mimetype' => $file->getMimeType(),
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'width' => $img->width(),
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'height' => $img->height(),
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'permission' => ImagePermission::Private,
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'is_unhealthy' => false, // TODO 接入鉴黄？
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'uploaded_ip' => $request->ip(),
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]);
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$filesystem = new Filesystem($this->getAdapter($disk->get('driver'), $disk->get('configs')));
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// 检测该策略是否存在该图片，有则只创建记录不保存文件
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/** @var Image $existing */
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$existing = Image::query()->when($image->strategy_id, function (Builder $builder, $id) {
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$builder->where('strategy_id', $id);
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})->where('md5', $image->md5)->where('sha1', $image->sha1)->first();
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if (is_null($existing)) {
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$handle = fopen($file, 'r');
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try {
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$filesystem->writeStream($pathname, $handle);
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} catch (FilesystemException $e) {
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throw new UploadException('图片上传失败');
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}
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if (! fclose($handle)) {
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throw new UploadException('资源关闭失败');
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}
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} else {
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$image->fill($existing->only('path', 'name'));
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}
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DB::transaction(function () use ($image, $user, $filesystem, $existing) {
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if (! $image->save()) {
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// 删除文件
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if (is_null($existing)) $filesystem->delete($image->pathname);
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throw new UploadException('图片保存失败');
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}
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if (! is_null($user)) {
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$user->increment('image_num');
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}
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}, 3);
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return $image;
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}
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public function getAdapter(int $disk, Collection $configs): FilesystemAdapter
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{
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return match ($disk) {
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StrategyKey::Local => new LocalFilesystemAdapter($configs->get('root') ?: config('filesystems.disks.uploads.root')),
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StrategyKey::Kodo => new QiniuAdapter(
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accessKey: $configs->get(KodoOption::AccessKey),
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secretKey: $configs->get(KodoOption::SecretKey),
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bucket: $configs->get(KodoOption::Bucket),
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domain: $configs->get(KodoOption::Domain),
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),
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};
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}
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protected function replacePathname(string $pathname, UploadedFile $file): string
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{
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$array = [
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'{Y}' => date('Y'),
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'{y}' => date('y'),
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'{m}' => date('m'),
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'{d}' => date('d'),
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'timestamp' => time(),
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'{uniqid}' => uniqid(),
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'{md5}' => md5(microtime() . Str::random()),
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'{md5-16}' => substr(md5(microtime() . Str::random()), 0, 16),
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'{str-random-16}' => Str::random(),
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'{str-random-10}' => Str::random(10),
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'{filename}' => rtrim($file->getClientOriginalName(), '.'.$file->extension()),
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];
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return str_replace(array_keys($array), array_values($array), $pathname);
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}
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}
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