72 lines
2.2 KiB
TypeScript
72 lines
2.2 KiB
TypeScript
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import { TaskStatus, NodeType } from '../../Types/TaskStatus';
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import { INodeExecutor, NodeExecutionContext, BindingHelper } from '../NodeExecutor';
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import { NodeExecutorMetadata } from '../NodeMetadata';
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/**
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* 日志动作执行器
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*
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* 输出日志信息
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*/
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@NodeExecutorMetadata({
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implementationType: 'Log',
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nodeType: NodeType.Action,
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displayName: '日志',
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description: '输出日志信息',
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category: 'Action',
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configSchema: {
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message: {
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type: 'string',
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default: '',
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description: '日志消息，支持{key}占位符引用黑板变量',
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supportBinding: true
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},
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logLevel: {
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type: 'string',
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default: 'info',
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description: '日志级别',
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options: ['info', 'warn', 'error']
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}
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}
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})
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export class LogAction implements INodeExecutor {
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execute(context: NodeExecutionContext): TaskStatus {
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const { runtime } = context;
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const message = BindingHelper.getValue<string>(context, 'message', '');
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const logLevel = BindingHelper.getValue<string>(context, 'logLevel', 'info');
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const finalMessage = this.replaceBlackboardVariables(message, runtime);
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this.log(finalMessage, logLevel);
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return TaskStatus.Success;
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}
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private replaceBlackboardVariables(message: string, runtime: NodeExecutionContext['runtime']): string {
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if (!message.includes('{') || !message.includes('}')) {
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return message;
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}
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// 使用限制长度的正则表达式避免 ReDoS 攻击
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// 限制占位符名称最多100个字符，只允许字母、数字、下划线和点号
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return message.replace(/\{([\w.]{1,100})\}/g, (_, key) => {
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const value = runtime.getBlackboardValue(key.trim());
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return value !== undefined ? String(value) : `{${key}}`;
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});
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}
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private log(message: string, level: string): void {
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switch (level) {
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case 'error':
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console.error(message);
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break;
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case 'warn':
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console.warn(message);
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break;
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case 'info':
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default:
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console.log(message);
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break;
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}
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}
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}
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