362 lines
8.3 KiB
TypeScript
362 lines
8.3 KiB
TypeScript
/*
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* SPDX-FileCopyrightText: syuilo and other misskey contributors
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* SPDX-License-Identifier: AGPL-3.0-only
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*/
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import { URLSearchParams } from 'node:url';
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import * as nodemailer from 'nodemailer';
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import { Inject, Injectable } from '@nestjs/common';
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import { validate as validateEmail } from 'deep-email-validator';
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import { MetaService } from '@/core/MetaService.js';
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import { UtilityService } from '@/core/UtilityService.js';
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import { DI } from '@/di-symbols.js';
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import type { Config } from '@/config.js';
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import type Logger from '@/logger.js';
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import type { UserProfilesRepository } from '@/models/_.js';
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import { LoggerService } from '@/core/LoggerService.js';
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import { bindThis } from '@/decorators.js';
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import { HttpRequestService } from '@/core/HttpRequestService.js';
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@Injectable()
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export class EmailService {
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private logger: Logger;
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constructor(
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@Inject(DI.config)
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private config: Config,
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@Inject(DI.userProfilesRepository)
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private userProfilesRepository: UserProfilesRepository,
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private metaService: MetaService,
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private loggerService: LoggerService,
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private utilityService: UtilityService,
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private httpRequestService: HttpRequestService,
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) {
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this.logger = this.loggerService.getLogger('email');
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}
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@bindThis
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public async sendEmail(to: string, subject: string, html: string, text: string) {
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const meta = await this.metaService.fetch(true);
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const iconUrl = `${this.config.url}/static-assets/mi-white.png`;
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const emailSettingUrl = `${this.config.url}/settings/email`;
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const enableAuth = meta.smtpUser != null && meta.smtpUser !== '';
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const transporter = nodemailer.createTransport({
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host: meta.smtpHost,
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port: meta.smtpPort,
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secure: meta.smtpSecure,
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ignoreTLS: !enableAuth,
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proxy: this.config.proxySmtp,
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auth: enableAuth ? {
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user: meta.smtpUser,
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pass: meta.smtpPass,
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} : undefined,
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} as any);
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try {
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// TODO: htmlサニタイズ
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const info = await transporter.sendMail({
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from: meta.email!,
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to: to,
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subject: subject,
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text: text,
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html: `<!doctype html>
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<html>
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<head>
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<meta charset="utf-8">
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<title>${ subject }</title>
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<style>
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html {
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background: #eee;
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}
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body {
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padding: 16px;
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margin: 0;
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font-family: sans-serif;
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font-size: 14px;
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}
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a {
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text-decoration: none;
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color: #86b300;
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}
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a:hover {
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text-decoration: underline;
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}
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main {
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max-width: 500px;
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margin: 0 auto;
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background: #fff;
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color: #555;
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}
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main > header {
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padding: 32px;
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background: #86b300;
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}
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main > header > img {
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max-width: 128px;
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max-height: 28px;
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vertical-align: bottom;
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}
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main > article {
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padding: 32px;
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}
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main > article > h1 {
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margin: 0 0 1em 0;
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}
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main > footer {
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padding: 32px;
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border-top: solid 1px #eee;
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}
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nav {
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box-sizing: border-box;
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max-width: 500px;
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margin: 16px auto 0 auto;
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padding: 0 32px;
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}
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nav > a {
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color: #888;
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}
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</style>
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</head>
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<body>
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<main>
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<header>
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<img src="${ meta.logoImageUrl ?? meta.iconUrl ?? iconUrl }"/>
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</header>
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<article>
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<h1>${ subject }</h1>
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<div>${ html }</div>
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</article>
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<footer>
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<a href="${ emailSettingUrl }">${ 'Email setting' }</a>
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</footer>
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</main>
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<nav>
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<a href="${ this.config.url }">${ this.config.host }</a>
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</nav>
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</body>
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</html>`,
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});
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this.logger.info(`Message sent: ${info.messageId}`);
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} catch (err) {
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this.logger.error(err as Error);
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throw err;
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}
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}
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@bindThis
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public async validateEmailForAccount(emailAddress: string): Promise<{
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available: boolean;
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reason: null | 'used' | 'format' | 'disposable' | 'mx' | 'smtp' | 'banned' | 'network' | 'blacklist';
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}> {
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const meta = await this.metaService.fetch();
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const exist = await this.userProfilesRepository.countBy({
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emailVerified: true,
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email: emailAddress,
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});
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if (exist !== 0) {
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return {
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available: false,
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reason: 'used',
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};
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}
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let validated: {
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valid: boolean,
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reason?: string | null,
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} = { valid: true, reason: null };
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if (meta.enableActiveEmailValidation) {
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if (meta.enableVerifymailApi && meta.verifymailAuthKey != null) {
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validated = await this.verifyMail(emailAddress, meta.verifymailAuthKey);
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} else if (meta.enableTruemailApi && meta.truemailInstance && meta.truemailAuthKey != null) {
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validated = await this.trueMail(meta.truemailInstance, emailAddress, meta.truemailAuthKey);
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} else {
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validated = await validateEmail({
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email: emailAddress,
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validateRegex: true,
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validateMx: true,
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validateTypo: false, // TLDを見ているみたいだけどclubとか弾かれるので
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validateDisposable: true, // 捨てアドかどうかチェック
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validateSMTP: false, // 日本だと25ポートが殆どのプロバイダーで塞がれていてタイムアウトになるので
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});
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}
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}
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if (!validated.valid) {
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const formatReason: Record<string, 'format' | 'disposable' | 'mx' | 'smtp' | 'network' | 'blacklist' | undefined> = {
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regex: 'format',
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disposable: 'disposable',
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mx: 'mx',
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smtp: 'smtp',
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network: 'network',
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blacklist: 'blacklist',
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};
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return {
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available: false,
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reason: validated.reason ? formatReason[validated.reason] ?? null : null,
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};
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}
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const emailDomain: string = emailAddress.split('@')[1];
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const isBanned = this.utilityService.isBlockedHost(meta.bannedEmailDomains, emailDomain);
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if (isBanned) {
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return {
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available: false,
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reason: 'banned',
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};
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}
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return {
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available: true,
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reason: null,
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};
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}
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private async verifyMail(emailAddress: string, verifymailAuthKey: string): Promise<{
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valid: boolean;
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reason: 'used' | 'format' | 'disposable' | 'mx' | 'smtp' | null;
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}> {
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const endpoint = 'https://verifymail.io/api/' + emailAddress + '?key=' + verifymailAuthKey;
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const res = await this.httpRequestService.send(endpoint, {
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method: 'GET',
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headers: {
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'Content-Type': 'application/x-www-form-urlencoded',
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Accept: 'application/json, */*',
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},
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});
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const json = (await res.json()) as Partial<{
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message: string;
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block: boolean;
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catch_all: boolean;
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deliverable_email: boolean;
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disposable: boolean;
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domain: string;
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email_address: string;
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email_provider: string;
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mx: boolean;
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mx_fallback: boolean;
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mx_host: string[];
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mx_ip: string[];
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mx_priority: { [key: string]: number };
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privacy: boolean;
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related_domains: string[];
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}>;
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/* api error: when there is only one `message` attribute in the returned result */
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if (Object.keys(json).length === 1 && Reflect.has(json, 'message')) {
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return {
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valid: false,
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reason: null,
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};
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}
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if (json.email_address === undefined) {
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return {
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valid: false,
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reason: 'format',
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};
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}
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if (json.deliverable_email !== undefined && !json.deliverable_email) {
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return {
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valid: false,
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reason: 'smtp',
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};
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}
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if (json.disposable) {
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return {
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valid: false,
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reason: 'disposable',
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};
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}
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if (json.mx !== undefined && !json.mx) {
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return {
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valid: false,
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reason: 'mx',
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};
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}
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return {
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valid: true,
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reason: null,
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};
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}
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private async trueMail<T>(truemailInstance: string, emailAddress: string, truemailAuthKey: string): Promise<{
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valid: boolean;
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reason: 'used' | 'format' | 'blacklist' | 'mx' | 'smtp' | 'network' | T | null;
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}> {
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const endpoint = truemailInstance + '?email=' + emailAddress;
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try {
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const res = await this.httpRequestService.send(endpoint, {
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method: 'POST',
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headers: {
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'Content-Type': 'application/json',
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Accept: 'application/json',
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Authorization: truemailAuthKey,
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},
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});
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const json = (await res.json()) as {
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email: string;
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success: boolean;
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error?: string;
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errors?: {
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list_match?: string;
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regex?: string;
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mx?: string;
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smtp?: string;
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} | null;
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};
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if (json.email === undefined || json.errors?.regex) {
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return {
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valid: false,
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reason: 'format',
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};
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}
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if (json.errors?.smtp) {
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return {
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valid: false,
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reason: 'smtp',
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};
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}
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if (json.errors?.mx) {
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return {
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valid: false,
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reason: 'mx',
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};
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}
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if (!json.success) {
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return {
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valid: false,
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reason: json.errors?.list_match as T || 'blacklist',
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};
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}
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return {
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valid: true,
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reason: null,
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};
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} catch (error) {
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return {
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valid: false,
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reason: 'network',
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};
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}
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}
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}
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