42 lines
1.2 KiB
TypeScript
42 lines
1.2 KiB
TypeScript
import * as plugins from '../../plugins.js';
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import type { UnifiedEmailServer } from '../routing/classes.unified.email.server.js';
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interface Headers {
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[key: string]: string;
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}
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interface IEmailSignJobOptions {
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domain: string;
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selector: string;
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headers: Headers;
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body: string;
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}
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export class EmailSignJob {
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emailServerRef: UnifiedEmailServer;
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jobOptions: IEmailSignJobOptions;
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constructor(emailServerRef: UnifiedEmailServer, options: IEmailSignJobOptions) {
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this.emailServerRef = emailServerRef;
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this.jobOptions = options;
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}
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async loadPrivateKey(): Promise<string> {
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const keyInfo = await this.emailServerRef.dkimCreator.readDKIMKeys(this.jobOptions.domain);
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return keyInfo.privateKey;
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}
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public async getSignatureHeader(emailMessage: string): Promise<string> {
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const signResult = await plugins.dkimSign(emailMessage, {
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signingDomain: this.jobOptions.domain,
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selector: this.jobOptions.selector,
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privateKey: await this.loadPrivateKey(),
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canonicalization: 'relaxed/relaxed',
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algorithm: 'rsa-sha256',
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signTime: new Date(),
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});
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const signature = signResult.signatures;
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return signature;
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}
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}
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