收紧输入渲染与后台配置权限
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@@ -13,6 +13,7 @@ namespace App\Http\Requests;
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use Illuminate\Contracts\Validation\Validator;
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use Illuminate\Foundation\Http\FormRequest;
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use Illuminate\Http\Exceptions\HttpResponseException;
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use Illuminate\Validation\Rule;
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/**
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* 聊天室发言请求验证器
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@@ -20,6 +21,27 @@ use Illuminate\Http\Exceptions\HttpResponseException;
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*/
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class SendMessageRequest extends FormRequest
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{
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/**
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* 允许前端提交的发言动作白名单。
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*/
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private const ALLOWED_ACTIONS = [
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'',
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'微笑',
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'大笑',
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'愤怒',
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'哭泣',
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'害羞',
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'鄙视',
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'得意',
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'疑惑',
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'同情',
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'无奈',
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'拳打',
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'飞吻',
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'偷看',
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'欢迎',
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];
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/**
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* 判断当前请求是否允许继续。
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*/
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@@ -41,10 +63,22 @@ class SendMessageRequest extends FormRequest
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'to_user' => ['nullable', 'string', 'max:50'],
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'is_secret' => ['nullable', 'boolean'],
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'font_color' => ['nullable', 'string', 'max:10'], // html color hex
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'action' => ['nullable', 'string', 'max:50'], // 动作(例如:微笑着说)
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'action' => ['nullable', 'string', 'max:50', Rule::in(self::ALLOWED_ACTIONS)], // 动作字段仅允许预设值,阻断拼接式 XSS 注入
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];
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}
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/**
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* 在校验前统一整理输入,避免首尾空白绕过白名单判断。
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*/
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protected function prepareForValidation(): void
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{
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$action = $this->input('action');
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$this->merge([
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'action' => is_string($action) ? trim($action) : $action,
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]);
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}
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/**
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* 返回校验失败时的中文提示。
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*/
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@@ -57,6 +91,7 @@ class SendMessageRequest extends FormRequest
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'image.image' => '上传的文件必须是图片。',
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'image.mimes' => '仅支持 jpg、jpeg、png、gif、webp 图片格式。',
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'image.max' => '图片大小不能超过 6MB。',
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'action.in' => '发言动作不合法,请重新选择。',
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];
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}
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