feat: add local signup and Kakao verification gate

2026-07-26 10:17:16 +00:00
parent c364552960
commit a7bb352ba2
41 changed files with 2293 additions and 95 deletions
@@ -0,0 +1,79 @@
+import { TRPCError } from '@trpc/server';
+import { z } from 'zod';
+
+import type { PasswordEnvelopeInput, PasswordEnvelopeService } from './passwordEnvelope.js';
+
+const utf8Length = (value: string): number => Buffer.byteLength(value, 'utf8');
+
+const isWideCodePoint = (codePoint: number): boolean =>
+    codePoint >= 0x1100 &&
+    (codePoint <= 0x115f ||
+        codePoint === 0x2329 ||
+        codePoint === 0x232a ||
+        (codePoint >= 0x2e80 && codePoint <= 0xa4cf && codePoint !== 0x303f) ||
+        (codePoint >= 0xac00 && codePoint <= 0xd7a3) ||
+        (codePoint >= 0xf900 && codePoint <= 0xfaff) ||
+        (codePoint >= 0xfe10 && codePoint <= 0xfe19) ||
+        (codePoint >= 0xfe30 && codePoint <= 0xfe6f) ||
+        (codePoint >= 0xff00 && codePoint <= 0xff60) ||
+        (codePoint >= 0xffe0 && codePoint <= 0xffe6) ||
+        (codePoint >= 0x1f300 && codePoint <= 0x1f64f) ||
+        (codePoint >= 0x1f900 && codePoint <= 0x1f9ff) ||
+        (codePoint >= 0x20000 && codePoint <= 0x3fffd));
+
+export const legacyStringWidth = (value: string): number =>
+    Array.from(value).reduce((width, character) => {
+        const codePoint = character.codePointAt(0) ?? 0;
+        return width + (isWideCodePoint(codePoint) ? 2 : 1);
+    }, 0);
+
+export const zPasswordEnvelope = z.object({
+    keyId: z.string().min(1).max(128),
+    ciphertext: z.string().min(1).max(4096),
+});
+
+export const zRegistrationUsername = z
+    .string()
+    .trim()
+    .transform((value) => value.toLocaleLowerCase('en-US'))
+    .superRefine((value, context) => {
+        const length = utf8Length(value);
+        if (length < 4 || length > 64) {
+            context.addIssue({
+                code: 'custom',
+                message: '계정명은 UTF-8 기준 4~64바이트여야 합니다.',
+            });
+        }
+    });
+
+export const zDisplayName = z
+    .string()
+    .trim()
+    .superRefine((value, context) => {
+        const width = legacyStringWidth(value);
+        if (width < 1 || width > 18) {
+            context.addIssue({
+                code: 'custom',
+                message: '닉네임은 영문 기준 1~18자 너비여야 합니다.',
+            });
+        }
+    });
+
+export const openPassword = (service: PasswordEnvelopeService, envelope: PasswordEnvelopeInput): string => {
+    let password: string;
+    try {
+        password = service.open(envelope);
+    } catch (error) {
+        throw new TRPCError({
+            code: 'BAD_REQUEST',
+            message: error instanceof Error ? error.message : '비밀번호 봉인을 열 수 없습니다.',
+        });
+    }
+    if (Array.from(password).length < 6 || Buffer.byteLength(password, 'utf8') > 128) {
+        throw new TRPCError({
+            code: 'BAD_REQUEST',
+            message: '비밀번호는 6자 이상, UTF-8 기준 128바이트 이하여야 합니다.',
+        });
+    }
+    return password;
+};