231 lines
7.9 KiB
PHP
231 lines
7.9 KiB
PHP
<?php
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// api/emojis.php (route: /api/emojis?q=...&category=...&subcategory=...&page=1&limit=50)
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require_once __DIR__.'/../helpers/auth.php';
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require_once __DIR__.'/../helpers/filters.php';
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// ---- Skin tone helpers (Fitzpatrick modifiers) ----
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if (!function_exists('dw_supports_skin_tone')) {
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function dw_supports_skin_tone(array $emoji): bool {
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// Respect explicit flag if present in source data
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if (isset($emoji['supports_skin_tone'])) {
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return (bool)$emoji['supports_skin_tone'];
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}
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$cat = strtolower(trim($emoji['category'] ?? ''));
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$sub = strtolower(trim($emoji['subcategory'] ?? ''));
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$name = strtolower(trim($emoji['name'] ?? ''));
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// 1) category must be People & Body
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if ($cat !== 'people & body') return false;
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// 2) Exclude faces: many face emojis are not tone-modifiable
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if (preg_match('~\bface\b~', $name) || preg_match('~\bface\b~', $sub)) return false;
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// 3) Allowlist of tone-capable subcategories (based on Unicode charts)
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$allowSubs = [
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'hand-fingers-open','hand-fingers-partial','hand-fingers-closed','hand-single-finger',
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'hands','hand-prop','handshake','body-parts','person','person-gesture','person-activity','person-resting'
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];
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if (in_array($sub, $allowSubs, true) || (function_exists('str_starts_with') ? str_starts_with($sub, 'hand') : strpos($sub, 'hand') === 0)) return true;
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// Fallback by keywords mentioning body parts / gestures
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$keys = [];
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foreach (['keywords','keywords_en','keywords_id'] as $k) {
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if (!empty($emoji[$k]) && is_array($emoji[$k])) $keys = array_merge($keys, $emoji[$k]);
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}
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$hay = strtolower(' '.implode(' ', $keys).' ');
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return (bool)preg_match('~\b(hand|hands|wave|clap|thumb|finger|palm|point|ear|nose|leg|foot|person|man|woman|boy|girl|salute)\b~', $hay);
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}
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}
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if (!function_exists('dw_skin_tone_modifiers')) {
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function dw_skin_tone_modifiers(): array {
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return ["\u{1F3FB}", "\u{1F3FC}", "\u{1F3FD}", "\u{1F3FE}", "\u{1F3FF}"]; // light .. dark
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}
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}
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if (!function_exists('dw_strip_tone')) {
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function dw_strip_tone(string $emoji): string {
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return preg_replace('/\x{1F3FB}|\x{1F3FC}|\x{1F3FD}|\x{1F3FE}|\x{1F3FF}/u', '', $emoji);
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}
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}
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if (!function_exists('dw_build_tone_variants')) {
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function dw_build_tone_variants(string $emojiBase): array {
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$mods = ["\u{1F3FB}", "\u{1F3FC}", "\u{1F3FD}", "\u{1F3FE}", "\u{1F3FF}"];
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return array_map(fn($m) => $emojiBase.$m, $mods);
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}
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}
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header('Content-Type: application/json; charset=utf-8');
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$tier = detectTier();
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// Allow client hint via header (extension may send X-Dewemoji-Plan: pro|free)
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$hint = strtolower(trim($_SERVER['HTTP_X_DEWEMOJI_PLAN'] ?? ''));
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// Optional license verify (server-side spot check)
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$acct = $_SERVER['HTTP_X_ACCOUNT_ID'] ?? '';
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$key = $_SERVER['HTTP_X_LICENSE_KEY'] ?? '';
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if ($acct && $key) {
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// probabilistic verify, e.g., 1 in 50 requests
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if (mt_rand(1,50) === 1) {
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$verify = @file_get_contents('https://emojilicense.dewe.pw/v1/license/verify', false, stream_context_create([
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'http' => [
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'method' => 'POST',
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'header' => "Content-Type: application/json\r\n",
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'content' => json_encode(['key'=>$key,'account_id'=>$acct]),
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'timeout' => 3,
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]
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]));
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if ($verify) {
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$v = json_decode($verify,true);
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if (!empty($v['ok']) && !empty($v['plan'])) {
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$tier = strtolower($v['plan']);
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$isPro = ($tier==='pro');
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}
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}
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}
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}
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if ($hint === 'pro' || $hint === 'free') {
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$tier = $hint;
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}
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$isPro = ($tier === 'pro');
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$origin = $_SERVER['HTTP_ORIGIN'] ?? '';
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$host = $_SERVER['HTTP_HOST'] ?? '';
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$whitelist = ['emoji.dewe.pw'];
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$isWhitelisted = in_array($host, $whitelist, true)
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|| in_array(parse_url($origin, PHP_URL_HOST) ?: '', $whitelist, true);
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// --- Free vs Pro gating ---
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$maxLimit = $isPro ? 50 : 20;
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$maxPages = $isPro ? 20 : 5;
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if ($isWhitelisted) {
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$maxLimit = 100;
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$maxPages = 1000;
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}
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// --- Helpers for slug <-> label normalization ---
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$CATEGORY_MAP = [
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'all' => 'all',
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'smileys' => 'Smileys & Emotion',
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'people' => 'People & Body',
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'animals' => 'Animals & Nature',
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'food' => 'Food & Drink',
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'travel' => 'Travel & Places',
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'activities'=> 'Activities',
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'objects' => 'Objects',
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'symbols' => 'Symbols',
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'flags' => 'Flags',
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];
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function dw_slugify($s){
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$s = strtolower(trim((string)$s));
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$s = str_replace('&', 'and', $s);
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$s = preg_replace('/[^a-z0-9]+/','-',$s);
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return trim($s,'-');
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}
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// Parse incoming filters
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$qParam = trim((string)($_GET['q'] ?? ''));
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$catParam = trim((string)($_GET['category'] ?? ''));
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$subParam = trim((string)($_GET['subcategory'] ?? ''));
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// Normalize category: accept either slug ("people") or label ("People & Body")
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$catLabel = '';
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if ($catParam !== '' && strtolower($catParam) !== 'all') {
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$catLabel = $CATEGORY_MAP[strtolower($catParam)] ?? $catParam; // fallback to raw label
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}
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// Normalize subcategory to a slug for comparison
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$subSlug = $subParam !== '' ? dw_slugify($subParam) : '';
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// Expose normalized vars for filter closure
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$q = $qParam;
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$cat = $catLabel; // label form (or '')
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$sub = $subSlug; // slug form (or '')
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// Parse query params with caps
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$limit = min(max((int)($_GET['limit'] ?? $maxLimit), 1), $maxLimit);
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$page = max((int)($_GET['page'] ?? 1), 1);
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if ($page > $maxPages) {
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header('Content-Type: application/json; charset=utf-8');
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echo json_encode([
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'items' => [],
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'page' => $page,
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'limit' => $limit,
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'total' => 0,
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'plan' => $isPro ? 'pro' : 'free',
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'message' => 'Page limit reached for your plan.'
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], JSON_UNESCAPED_UNICODE);
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exit;
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}
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// Load data
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$data = json_decode(file_get_contents(__DIR__.'/../data/emojis.json'), true);
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$items = $data['emojis'] ?? [];
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// Server-side filtering (case-insensitive)
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$items = array_values(array_filter($items, function($e) use ($q,$cat,$sub) {
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// Category match: compare by slug to be robust
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if ($cat !== '') {
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$itemCatSlug = dw_slugify($e['category'] ?? '');
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$wantCatSlug = dw_slugify($cat);
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if ($itemCatSlug !== $wantCatSlug) return false;
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}
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// Subcategory match: normalize item subcategory to slug and compare
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if ($sub !== '') {
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$itemSubSlug = dw_slugify($e['subcategory'] ?? '');
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if ($itemSubSlug !== $sub) return false;
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}
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// Text search across common fields
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if ($q !== '') {
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$hay = strtolower(join(' ', [
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$e['emoji'] ?? '',
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$e['name'] ?? '',
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$e['slug'] ?? '',
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$e['category'] ?? '',
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$e['subcategory'] ?? '',
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join(' ', $e['keywords_en'] ?? []),
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join(' ', $e['keywords_id'] ?? []),
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join(' ', $e['aliases'] ?? []),
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join(' ', $e['shortcodes'] ?? []),
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]));
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foreach (preg_split('/\s+/', strtolower($q)) as $tok) {
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if ($tok === '') continue;
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if (strpos($hay, $tok) === false) return false;
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}
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}
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return true;
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}));
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$total = count($items);
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$offset = ($page - 1) * $limit;
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$items = array_slice($items, $offset, $limit);
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// Field filtering + augmentation
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$items = array_map(function($raw) use ($tier, $isPro) {
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$e = filterEmoji($raw, $tier, true);
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// add tone support & modifiers for clients
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$e['supports_skin_tone'] = dw_supports_skin_tone($raw) || dw_supports_skin_tone($e);
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if (!isset($e['skin_tone_modifiers'])) {
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$e['skin_tone_modifiers'] = dw_skin_tone_modifiers();
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}
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if ($e['supports_skin_tone'] && !empty($e['emoji'])) {
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$base = dw_strip_tone($e['emoji']);
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if ($base !== '') {
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$e['emoji_base'] = $base;
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if ($isPro) {
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$e['variants'] = dw_build_tone_variants($base);
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}
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}
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}
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return $e;
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}, $items);
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// ETag for caching
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$etag = '"'.sha1(json_encode([$page,$limit,$q,$cat,$sub,$tier,$total,$items])).'"';
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header('ETag: '.$etag);
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header('Cache-Control: public, max-age=300');
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if (($_SERVER['HTTP_IF_NONE_MATCH'] ?? '') === $etag) { http_response_code(304); exit; }
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echo json_encode([
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'items' => $items,
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'page' => $page,
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'limit' => $limit,
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'total' => $total,
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'plan' => $isPro ? 'pro' : 'free',
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], JSON_UNESCAPED_UNICODE); |