feat: support internal SMS API

server/services/sms.ts

@@ -12,8 +12,15 @@ export interface SmsMessage {
   text: string;
 }
 
+type SmsApiResponse = {
+  requestId?: string;
+  requestTime?: string;
+  statusCode?: string | number;
+  statusName?: string;
+};
+
 function normalizePhone(value: string | null | undefined): string {
-  return String(value ?? '').replace(/[^\d+]/g, '');
+  return String(value ?? '').replace(/\D/g, '');
 }
 
 function fail(channel: string, recipient: string, error: unknown): SmsSendResult {
@@ -26,8 +33,29 @@ function fail(channel: string, recipient: string, error: unknown): SmsSendResult
   };
 }
 
+function smsProvider(): string {
+  return process.env.ACS_SMS_PROVIDER ?? env.smsProvider;
+}
+
+function smsApiUrl(): string | undefined {
+  return process.env.ACS_SMS_API_URL ?? env.smsApiUrl;
+}
+
+function smsApiKey(): string | undefined {
+  return process.env.ACS_SMS_API_KEY ?? env.smsApiKey;
+}
+
+function smsSender(): string | undefined {
+  return process.env.ACS_SMS_SENDER ?? env.smsSender;
+}
+
+function smsTimeoutMs(): number {
+  return Number(process.env.ACS_SMS_TIMEOUT_MS ?? env.smsTimeoutMs);
+}
+
 export async function sendSms(message: SmsMessage): Promise<SmsSendResult> {
-  const provider = env.smsProvider.toLowerCase();
+  const configuredProvider = smsProvider();
+  const provider = configuredProvider.toLowerCase();
   const recipient = normalizePhone(message.to);
 
   if (!recipient) {
@@ -39,27 +67,33 @@ export async function sendSms(message: SmsMessage): Promise<SmsSendResult> {
     return { channel: 'DEV', recipient, status: 'SENT', lastError: null };
   }
 
-  if (provider !== 'http') {
-    return fail(provider.toUpperCase(), recipient, `지원하지 않는 SMS provider입니다: ${env.smsProvider}`);
+  if (provider === 'hanbank' || provider === 'bok') {
+    return sendHanbankSms(recipient, message.text);
   }
 
-  if (!env.smsApiUrl) {
+  if (provider !== 'http') {
+    return fail(provider.toUpperCase(), recipient, `지원하지 않는 SMS provider입니다: ${configuredProvider}`);
+  }
+
+  const apiUrl = smsApiUrl();
+  if (!apiUrl) {
     return fail('SMS', recipient, 'ACS_SMS_API_URL이 설정되지 않았습니다.');
   }
 
   const controller = new AbortController();
-  const timeout = setTimeout(() => controller.abort(), env.smsTimeoutMs);
+  const timeout = setTimeout(() => controller.abort(), smsTimeoutMs());
 
   try {
-    const response = await fetch(env.smsApiUrl, {
+    const apiKey = smsApiKey();
+    const response = await fetch(apiUrl, {
       method: 'POST',
       headers: {
         'Content-Type': 'application/json',
-        ...(env.smsApiKey ? { Authorization: `Bearer ${env.smsApiKey}` } : {}),
+        ...(apiKey ? { Authorization: `Bearer ${apiKey}` } : {}),
       },
       body: JSON.stringify({
         to: recipient,
-        from: env.smsSender,
+        from: smsSender(),
         message: message.text,
       }),
       signal: controller.signal,
@@ -77,3 +111,60 @@ export async function sendSms(message: SmsMessage): Promise<SmsSendResult> {
     clearTimeout(timeout);
   }
 }
+
+function resolveHanbankSmsUrl(): string {
+  const baseUrl = smsApiUrl() ?? 'http://210.104.132.59:8000';
+  if (/\/sens\/sms\/?$/i.test(baseUrl)) {
+    return baseUrl;
+  }
+  return `${baseUrl.replace(/\/+$/, '')}/sens/sms`;
+}
+
+function isSuccessResponse(response: SmsApiResponse): boolean {
+  const statusCode = String(response.statusCode ?? '').trim();
+  const statusName = String(response.statusName ?? '').trim().toLowerCase();
+  return statusCode === '202' || statusName === 'success';
+}
+
+async function sendHanbankSms(recipient: string, text: string): Promise<SmsSendResult> {
+  const controller = new AbortController();
+  const timeout = setTimeout(() => controller.abort(), smsTimeoutMs());
+
+  try {
+    const response = await fetch(resolveHanbankSmsUrl(), {
+      method: 'POST',
+      headers: {
+        accept: 'application/json',
+        'Content-Type': 'application/json',
+      },
+      body: JSON.stringify({
+        receive_number: recipient,
+        content: text,
+        msg_type: 'LMS',
+        reserve_time: '',
+      }),
+      signal: controller.signal,
+    });
+
+    const rawBody = await response.text().catch(() => '');
+    let body: SmsApiResponse = {};
+    if (rawBody) {
+      try {
+        body = JSON.parse(rawBody) as SmsApiResponse;
+      } catch {
+        body = {};
+      }
+    }
+
+    if (!response.ok || (body.statusCode !== undefined && !isSuccessResponse(body))) {
+      const detail = rawBody ? `: ${rawBody.slice(0, 300)}` : '';
+      throw new Error(`사내 SMS API 발송 실패 HTTP ${response.status}${detail}`);
+    }
+
+    return { channel: 'HANBANK', recipient, status: 'SENT', lastError: null };
+  } catch (error) {
+    return fail('HANBANK', recipient, error);
+  } finally {
+    clearTimeout(timeout);
+  }
+}