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170
app/Http/Controllers/AdminDuplicateController.php
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170
app/Http/Controllers/AdminDuplicateController.php
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<?php
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namespace App\Http\Controllers;
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use App\Helpers\FirstParty\ImageHash\ImageHashService;
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use App\Models\MemeMedia;
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use Illuminate\Http\Request;
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use Inertia\Inertia;
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class AdminDuplicateController extends Controller
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{
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private ImageHashService $imageHashService;
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public function __construct(ImageHashService $imageHashService)
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{
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$this->imageHashService = $imageHashService;
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}
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public function index()
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{
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return Inertia::render('admin/duplicate-management', [
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'title' => 'Duplicate Management',
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]);
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}
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public function scan(Request $request)
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{
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$threshold = $request->input('threshold', 5);
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$records = MemeMedia::whereNotNull('image_hash')
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->whereNotNull('webp_url')
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->where('image_hash', '!=', '')
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->get(['id', 'name', 'image_hash', 'webp_url', 'group']);
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if ($records->isEmpty()) {
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return response()->json([
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'duplicates' => [],
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'message' => 'No records with image hashes found.',
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]);
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}
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$duplicates = [];
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$processed = [];
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foreach ($records as $record) {
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if (in_array($record->id, $processed)) {
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continue;
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}
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// Skip if hash is empty or invalid
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if (empty($record->image_hash)) {
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continue;
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}
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$similarRecords = [];
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foreach ($records as $compareRecord) {
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if ($record->id === $compareRecord->id || in_array($compareRecord->id, $processed)) {
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continue;
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}
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// Skip if either hash is empty or invalid
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if (empty($record->image_hash) || empty($compareRecord->image_hash)) {
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continue;
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}
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$distance = $this->imageHashService->calculateHammingDistance(
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$record->image_hash,
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$compareRecord->image_hash
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);
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// Skip if distance calculation failed (returns PHP_INT_MAX)
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if ($distance === PHP_INT_MAX) {
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continue;
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}
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if ($distance <= $threshold) {
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$similarRecords[] = [
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'id' => $compareRecord->id,
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'name' => $compareRecord->name,
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'distance' => $distance,
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'url' => $compareRecord->webp_url,
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'group' => $compareRecord->group,
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];
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$processed[] = $compareRecord->id;
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}
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}
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if (! empty($similarRecords)) {
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// Sort similar records to prioritize group 2, then by ID
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usort($similarRecords, function ($a, $b) {
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if ($a['group'] == $b['group']) {
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return $a['id'] <=> $b['id'];
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}
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return $b['group'] <=> $a['group']; // Higher group first
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});
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$duplicates[] = [
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'original' => [
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'id' => $record->id,
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'name' => $record->name,
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'url' => $record->webp_url,
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'group' => $record->group,
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],
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'duplicates' => $similarRecords,
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];
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$processed[] = $record->id;
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}
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}
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return response()->json([
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'duplicates' => $duplicates,
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'total_groups' => count($duplicates),
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'total_duplicates' => array_sum(array_map(function ($group) {
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return count($group['duplicates']);
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}, $duplicates)),
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]);
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}
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public function delete(Request $request)
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{
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$request->validate([
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'id' => 'required|exists:meme_medias,id',
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]);
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$record = MemeMedia::findOrFail($request->id);
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// Soft delete the record
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$record->delete();
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return response()->json([
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'success' => true,
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'message' => "Deleted '{$record->name}' (Group {$record->group})",
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]);
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}
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public function regenerateHash(Request $request)
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{
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$request->validate([
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'id' => 'required|exists:meme_medias,id',
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]);
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$record = MemeMedia::findOrFail($request->id);
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if (! $record->webp_url) {
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return response()->json([
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'success' => false,
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'message' => 'No WebP URL found for this record',
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], 400);
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}
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$hash = $this->imageHashService->generateHashFromUrl($record->webp_url);
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if (! $hash) {
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return response()->json([
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'success' => false,
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'message' => 'Failed to generate hash',
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], 500);
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}
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$record->update(['image_hash' => $hash]);
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return response()->json([
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'success' => true,
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'message' => 'Hash regenerated successfully',
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'hash' => $hash,
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]);
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}
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}
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47
app/Http/Middleware/BasicAuthMiddleware.php
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47
app/Http/Middleware/BasicAuthMiddleware.php
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@@ -0,0 +1,47 @@
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<?php
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namespace App\Http\Middleware;
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use Closure;
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use Illuminate\Http\Request;
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use Symfony\Component\HttpFoundation\Response;
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class BasicAuthMiddleware
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{
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/**
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* Handle an incoming request.
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*
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* @param \Closure(\Illuminate\Http\Request): (\Symfony\Component\HttpFoundation\Response) $next
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*/
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public function handle(Request $request, Closure $next): Response
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{
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$username = env('BASIC_AUTH_USERNAME');
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$password = env('BASIC_AUTH_PASSWORD');
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// If credentials are not set, deny access
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if (! $username || ! $password) {
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return response('Unauthorized', 401, ['WWW-Authenticate' => 'Basic']);
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}
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// Check if Authorization header is present
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if (! $request->header('Authorization')) {
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return response('Unauthorized', 401, ['WWW-Authenticate' => 'Basic']);
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}
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// Extract credentials from Authorization header
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$authHeader = $request->header('Authorization');
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if (! str_starts_with($authHeader, 'Basic ')) {
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return response('Unauthorized', 401, ['WWW-Authenticate' => 'Basic']);
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}
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$credentials = base64_decode(substr($authHeader, 6));
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[$inputUsername, $inputPassword] = explode(':', $credentials, 2);
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// Verify credentials
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if ($inputUsername !== $username || $inputPassword !== $password) {
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return response('Unauthorized', 401, ['WWW-Authenticate' => 'Basic']);
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}
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return $next($request);
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}
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}
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