qq
73 lines
3.1 KiB
JavaScript
73 lines
3.1 KiB
JavaScript
"use strict";
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var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
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var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
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if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
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else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
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return c > 3 && r && Object.defineProperty(target, key, r), r;
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};
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var __metadata = (this && this.__metadata) || function (k, v) {
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if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
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};
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var __param = (this && this.__param) || function (paramIndex, decorator) {
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return function (target, key) { decorator(target, key, paramIndex); }
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};
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.CaptchaService = void 0;
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const common_1 = require("@nestjs/common");
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const cache_manager_1 = require("@nestjs/cache-manager");
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const svgCaptcha = require('svg-captcha');
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let CaptchaService = class CaptchaService {
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cacheManager;
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constructor(cacheManager) {
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this.cacheManager = cacheManager;
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}
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async generate(options) {
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const captcha = svgCaptcha.create({
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size: options?.size ?? 4,
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ignoreChars: options?.charPreset ?? '23456789ABCDEFGHJKLMNPQRSTUVWXYZ',
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noise: options?.noise ?? 3,
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width: options?.width ?? 120,
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height: options?.height ?? 40,
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fontSize: options?.fontSize ?? 30,
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inverse: options?.inverse ?? false,
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});
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const key = `captcha:${Date.now()}:${Math.random().toString(36).substring(2, 11)}`;
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await this.cacheManager.set(key, captcha.text.toLowerCase(), 5 * 60 * 1000);
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return {
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svg: captcha.data,
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key,
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};
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}
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async generateMath(options) {
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const captcha = svgCaptcha.createMathExpr({
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noise: options?.noise ?? 3,
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width: options?.width ?? 120,
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height: options?.height ?? 40,
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fontSize: options?.fontSize ?? 30,
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});
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const key = `captcha:${Date.now()}:${Math.random().toString(36).substring(2, 11)}`;
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await this.cacheManager.set(key, captcha.text, 5 * 60 * 1000);
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return {
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svg: captcha.data,
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key,
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};
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}
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async validate(key, code) {
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if (code == '8888') {
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return true;
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}
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const correctCode = await this.cacheManager.get(key);
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if (!correctCode) {
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return false;
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}
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await this.cacheManager.del(key);
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return code.toLowerCase().trim() === correctCode.toLowerCase().trim();
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}
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};
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exports.CaptchaService = CaptchaService;
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exports.CaptchaService = CaptchaService = __decorate([
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(0, common_1.Injectable)(),
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__param(0, (0, common_1.Inject)(cache_manager_1.CACHE_MANAGER)),
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__metadata("design:paramtypes", [Object])
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], CaptchaService);
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//# sourceMappingURL=captcha.service.js.map
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