initial commit

backend/src/services/dms.ts

@@ -0,0 +1,83 @@
+import { existsSync } from 'node:fs';
+import { stat } from 'node:fs/promises';
+import { join } from 'node:path';
+import { config } from '../config.js';
+import { run } from '../utils/shell.js';
+import { domainFromEmail, localPartFromEmail, normalizeEmail } from '../utils/email.js';
+
+export interface DmsAccount {
+  email: string;
+  localPart: string;
+  domain: string;
+}
+
+function parseAccounts(output: string): DmsAccount[] {
+  const accounts: DmsAccount[] = [];
+  for (const line of output.split('\n')) {
+    const match = line.match(/([A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,})/i);
+    if (!match) continue;
+    const email = normalizeEmail(match[1]);
+    accounts.push({ email, localPart: localPartFromEmail(email), domain: domainFromEmail(email) });
+  }
+  return [...new Map(accounts.map((a) => [a.email, a])).values()].sort((a, b) => a.email.localeCompare(b.email));
+}
+
+export class DmsService {
+  async listAccounts(): Promise<DmsAccount[]> {
+    const { stdout } = await run('docker', ['exec', config.dmsContainer, 'setup', 'email', 'list']);
+    return parseAccounts(stdout);
+  }
+
+  async addMailbox(email: string, password: string): Promise<void> {
+    const normalized = normalizeEmail(email);
+    if (config.manageMailUserScript && existsSync(config.manageMailUserScript)) {
+      await run(config.manageMailUserScript, ['add', normalized, password]);
+      return;
+    }
+    await run('docker', ['exec', config.dmsContainer, 'setup', 'email', 'add', normalized, password]);
+  }
+
+  async deleteMailbox(email: string): Promise<void> {
+    const normalized = normalizeEmail(email);
+    if (config.manageMailUserScript && existsSync(config.manageMailUserScript)) {
+      await run(config.manageMailUserScript, ['del', normalized]);
+      return;
+    }
+    await run('docker', ['exec', config.dmsContainer, 'setup', 'email', 'del', normalized]);
+  }
+
+  async updatePassword(email: string, password: string): Promise<void> {
+    const normalized = normalizeEmail(email);
+    // docker-mailserver supports setup email update <email> <password> in current versions.
+    await run('docker', ['exec', config.dmsContainer, 'setup', 'email', 'update', normalized, password]);
+  }
+
+  async syncSesDomain(domain: string): Promise<void> {
+    if (config.manageMailUserScript && existsSync(config.manageMailUserScript)) {
+      await run(config.manageMailUserScript, ['sync', domain.toLowerCase()]);
+    }
+  }
+
+  async getMailboxUsageBytes(email: string): Promise<number> {
+    const domain = domainFromEmail(email);
+    const local = localPartFromEmail(email);
+    const candidates = [
+      join(config.mailDataPath, domain, local),
+      join(config.mailDataPath, domain, `${local}/`),
+      join(config.mailDataPath, domain, `${local}/Maildir`),
+      join(config.mailDataPath, email),
+    ];
+
+    for (const p of candidates) {
+      try {
+        await stat(p);
+        const { stdout } = await run('du', ['-sb', p], 60000);
+        const value = parseInt(stdout.trim().split(/\s+/)[0] ?? '0', 10);
+        return Number.isFinite(value) ? value : 0;
+      } catch {
+        // try next path
+      }
+    }
+    return 0;
+  }
+}