- 新增 sanitizeUtf8() 私有方法: 去除 BOM、零宽字符、非法 UTF-8 字节、控制字符 防止从聊天/文档复制时混入隐藏字符导致 json_encode 失败 - batchStore() 先净化 words 和 reason 输入 - preg_split 加 /u 修饰符(完整 Unicode 支持) - 响应加 JSON_UNESCAPED_UNICODE 防中文被转义
205 lines
6.6 KiB
PHP
205 lines
6.6 KiB
PHP
<?php
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/**
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* 文件功能:禁用用户名管理控制器(站长专用)
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*
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* 管理 username_blacklist 表中 type=permanent 的永久禁用词列表。
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* 包含:国家领导人名称、攻击性词汇、违禁词等不允许注册或改名的词语。
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*
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* 用户在注册(AuthController)和改名(ShopService::useRenameCard)时均会经过该表检测。
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*
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* @author ChatRoom Laravel
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*
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* @version 1.0.0
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*/
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namespace App\Http\Controllers\Admin;
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use App\Http\Controllers\Controller;
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use App\Models\UsernameBlacklist;
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use Illuminate\Http\JsonResponse;
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use Illuminate\Http\Request;
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use Illuminate\Support\Carbon;
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class ForbiddenUsernameController extends Controller
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{
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/**
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* 分页列出所有永久禁用词。
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* 支持关键词模糊搜索(GET ?q=xxx)。
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*/
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public function index(Request $request): \Illuminate\View\View
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{
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$q = $request->query('q', '');
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$items = UsernameBlacklist::permanent()
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->when($q, fn ($query) => $query->where('username', 'like', "%{$q}%"))
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->orderByDesc('created_at')
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->paginate(20)
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->withQueryString();
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return view('admin.forbidden-usernames.index', [
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'items' => $items,
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'q' => $q,
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]);
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}
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/**
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* 新增一条永久禁用词。
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*
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* @param Request $request 请求体:username(必填),reason(选填)
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*/
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public function store(Request $request): JsonResponse
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{
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$validated = $request->validate([
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'username' => ['required', 'string', 'max:50'],
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'reason' => ['nullable', 'string', 'max:100'],
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], [
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'username.required' => '禁用词不能为空。',
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'username.max' => '禁用词最长50字符。',
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]);
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$username = trim($validated['username']);
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// 已存在同名的永久记录则不重复插入
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$exists = UsernameBlacklist::permanent()
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->where('username', $username)
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->exists();
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if ($exists) {
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return response()->json(['status' => 'error', 'message' => '该词语已在永久禁用列表中。'], 422);
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}
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UsernameBlacklist::create([
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'username' => $username,
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'type' => 'permanent',
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'reserved_until' => null,
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'reason' => $validated['reason'] ?? null,
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'created_at' => Carbon::now(),
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]);
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return response()->json(['status' => 'success', 'message' => "「{$username}」已加入永久禁用列表。"]);
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}
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/**
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* 批量添加永久禁用词。
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*
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* 接受多行文本或逗号分隔的词语列表,自动去重并过滤已存在者。
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* 返回成功添加数量和跳过数量。
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*
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* @param Request $request 请求体:words(换行/逗号分隔),reason(选填,共用)
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*/
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public function batchStore(Request $request): JsonResponse
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{
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$validated = $request->validate([
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'words' => ['required', 'string'],
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'reason' => ['nullable', 'string', 'max:100'],
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], [
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'words.required' => '请输入至少一个词语。',
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]);
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// 净化输入:去除非法 UTF-8 字节(零宽字符、BOM、控制字符等),防止 json_encode 失败
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$rawInput = $this->sanitizeUtf8($validated['words']);
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$reason = $this->sanitizeUtf8(trim($validated['reason'] ?? ''));
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// 支持换行、逗号、中文逗号、空格分隔
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$rawWords = preg_split('/[\r\n,,\s]+/u', $rawInput);
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// 过滤空串、超长词、去重
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$words = collect($rawWords)
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->map(fn ($w) => trim($w))
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->filter(fn ($w) => $w !== '' && mb_strlen($w) <= 50)
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->unique()
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->values();
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if ($words->isEmpty()) {
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return response()->json(['status' => 'error', 'message' => '没有有效的词语,请检查输入。'], 422);
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}
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// 批量查询已存在的词(一次查询)
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$existing = UsernameBlacklist::permanent()
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->whereIn('username', $words->all())
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->pluck('username')
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->flip();
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$now = Carbon::now();
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$added = 0;
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$rows = [];
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foreach ($words as $word) {
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if ($existing->has($word)) {
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continue;
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}
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$rows[] = [
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'username' => $word,
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'type' => 'permanent',
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'reserved_until' => null,
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'reason' => $reason ?: null,
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'created_at' => $now,
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];
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$added++;
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}
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if (! empty($rows)) {
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UsernameBlacklist::insert($rows);
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}
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$skipped = $words->count() - $added;
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$msg = "成功添加 {$added} 个词语".($skipped > 0 ? ",跳过 {$skipped} 个(已存在)" : '').'。';
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return response()->json(['status' => 'success', 'message' => $msg, 'added' => $added], 200, [], JSON_UNESCAPED_UNICODE);
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}
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/**
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* 净化字符串,移除非法 UTF-8 字节及常见控制/零宽字符。
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*
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* @param string $str 待净化字符串
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* @return string 合法的 UTF-8 字符串
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*/
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private function sanitizeUtf8(string $str): string
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{
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// 去除 BOM
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$str = str_replace("\xEF\xBB\xBF", '', $str);
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// 去除零宽字符(零宽空格、零宽不连字等)
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$str = preg_replace('/[\x{200B}-\x{200D}\x{FEFF}\x{00AD}]/u', '', $str);
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// 转换为合法 UTF-8,忽略非法字节
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$str = mb_convert_encoding($str, 'UTF-8', 'UTF-8');
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// 保底:去除控制字符(保留换行 \r\n)
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$str = preg_replace('/[^\P{C}\r\n]+/u', '', $str);
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return $str;
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}
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/**
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* 更新指定禁用词的原因备注。
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*
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* @param int $id 记录 ID
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* @param Request $request 请求体:reason
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*/
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public function update(Request $request, int $id): JsonResponse
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{
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$item = UsernameBlacklist::permanent()->findOrFail($id);
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$validated = $request->validate([
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'reason' => ['nullable', 'string', 'max:100'],
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]);
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$item->update(['reason' => $validated['reason']]);
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return response()->json(['status' => 'success', 'message' => '备注已更新。']);
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}
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/**
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* 删除指定永久禁用词。
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*
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* @param int $id 记录 ID
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*/
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public function destroy(int $id): JsonResponse
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{
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$item = UsernameBlacklist::permanent()->findOrFail($id);
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$name = $item->username;
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$item->delete();
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return response()->json(['status' => 'success', 'message' => "「{$name}」已从永久禁用列表移除。"]);
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}
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}
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