대시보드

This commit is contained in:
2026-02-06 17:50:35 +09:00
parent 35916430b7
commit 851a2acd69
34 changed files with 45632 additions and 108 deletions

142
lib/kis/approval.ts Normal file
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import { createHash } from "node:crypto";
import type { KisCredentialInput } from "@/lib/kis/config";
import { getKisConfig, getKisWebSocketUrl } from "@/lib/kis/config";
/**
* @file lib/kis/approval.ts
* @description KIS 웹소켓 approval key 발급/캐시 관리
*/
interface KisApprovalResponse {
approval_key?: string;
msg1?: string;
msg_cd?: string;
error?: string;
error_description?: string;
}
interface KisApprovalCache {
approvalKey: string;
expiresAt: number;
}
const approvalCacheMap = new Map<string, KisApprovalCache>();
const approvalIssueInFlightMap = new Map<string, Promise<KisApprovalCache>>();
const APPROVAL_REFRESH_BUFFER_MS = 60 * 1000;
function hashKey(value: string) {
return createHash("sha256").update(value).digest("hex");
}
function getApprovalCacheKey(credentials?: KisCredentialInput) {
const config = getKisConfig(credentials);
return `${config.tradingEnv}:${hashKey(config.appKey)}`;
}
/**
* KIS 웹소켓 approval key 발급
* @param credentials 사용자 입력 키(선택)
* @returns approval key + expiresAt
* @see app/api/kis/ws/approval/route.ts POST - 실시간 차트 연결 시 호출
*/
async function issueKisApprovalKey(credentials?: KisCredentialInput): Promise<KisApprovalCache> {
const config = getKisConfig(credentials);
const response = await fetch(`${config.baseUrl}/oauth2/Approval`, {
method: "POST",
headers: {
"content-type": "application/json; charset=utf-8",
},
body: JSON.stringify({
grant_type: "client_credentials",
appkey: config.appKey,
secretkey: config.appSecret,
}),
cache: "no-store",
});
const rawText = await response.text();
const payload = tryParseApprovalResponse(rawText);
if (!response.ok || !payload.approval_key) {
const detail = [payload.msg1, payload.error_description, payload.error, payload.msg_cd]
.filter(Boolean)
.join(" / ");
throw new Error(
detail
? `KIS 웹소켓 승인키 발급 실패 (${config.tradingEnv}, ${response.status}): ${detail}`
: `KIS 웹소켓 승인키 발급 실패 (${config.tradingEnv}, ${response.status})`,
);
}
// 공식 샘플은 1일 단위 재발급을 권장하므로 토큰과 동일하게 보수적으로 23시간 캐시합니다.
return {
approvalKey: payload.approval_key,
expiresAt: Date.now() + 23 * 60 * 60 * 1000,
};
}
/**
* approval 응답을 안전하게 JSON으로 파싱합니다.
* @param rawText fetch 응답 원문
* @returns KisApprovalResponse
*/
function tryParseApprovalResponse(rawText: string): KisApprovalResponse {
try {
return JSON.parse(rawText) as KisApprovalResponse;
} catch {
return {
msg1: rawText.slice(0, 200),
};
}
}
/**
* 웹소켓 승인키를 반환합니다.
* @param credentials 사용자 입력 키(선택)
* @returns approval key
*/
export async function getKisApprovalKey(credentials?: KisCredentialInput) {
const cacheKey = getApprovalCacheKey(credentials);
const cached = approvalCacheMap.get(cacheKey);
if (cached && cached.expiresAt - APPROVAL_REFRESH_BUFFER_MS > Date.now()) {
return cached.approvalKey;
}
const inFlight = approvalIssueInFlightMap.get(cacheKey);
if (inFlight) {
const shared = await inFlight;
return shared.approvalKey;
}
const nextPromise = issueKisApprovalKey(credentials);
approvalIssueInFlightMap.set(cacheKey, nextPromise);
const next = await nextPromise.finally(() => {
approvalIssueInFlightMap.delete(cacheKey);
});
approvalCacheMap.set(cacheKey, next);
return next.approvalKey;
}
/**
* 거래 모드에 맞는 KIS 웹소켓 URL을 반환합니다.
* @param credentials 사용자 입력 키(선택)
* @returns websocket url
*/
export function resolveKisWebSocketUrl(credentials?: KisCredentialInput) {
const config = getKisConfig(credentials);
return getKisWebSocketUrl(config.tradingEnv);
}
/**
* 승인키 캐시를 제거합니다.
* @param credentials 사용자 입력 키(선택)
*/
export function clearKisApprovalKeyCache(credentials?: KisCredentialInput) {
const cacheKey = getApprovalCacheKey(credentials);
approvalCacheMap.delete(cacheKey);
approvalIssueInFlightMap.delete(cacheKey);
}

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import type { KisCredentialInput } from "@/lib/kis/config";
import { getKisConfig } from "@/lib/kis/config";
import { getKisAccessToken } from "@/lib/kis/token";
/**
* @file lib/kis/client.ts
* @description KIS REST 공통 클라이언트(실전/모의 공통)
*/
export interface KisApiEnvelope<TOutput> {
rt_cd?: string;
msg_cd?: string;
msg1?: string;
output?: TOutput;
output1?: unknown;
output2?: unknown;
}
/**
* KIS GET 호출
* @param apiPath REST 경로
* @param trId KIS TR ID
* @param params 쿼리 파라미터
* @param credentials 사용자 입력 키(선택)
* @returns KIS 원본 응답
* @see lib/kis/domestic.ts getDomesticQuote/getDomesticDailyPrice - 대시보드 시세 데이터 소스
*/
export async function kisGet<TOutput>(
apiPath: string,
trId: string,
params: Record<string, string>,
credentials?: KisCredentialInput,
): Promise<KisApiEnvelope<TOutput>> {
const config = getKisConfig(credentials);
const token = await getKisAccessToken(credentials);
const url = new URL(apiPath, config.baseUrl);
Object.entries(params).forEach(([key, value]) => {
if (value !== "") url.searchParams.set(key, value);
});
const response = await fetch(url.toString(), {
method: "GET",
headers: {
"content-type": "application/json; charset=utf-8",
authorization: `Bearer ${token}`,
appkey: config.appKey,
appsecret: config.appSecret,
tr_id: trId,
tr_cont: "",
custtype: "P",
},
cache: "no-store",
});
const rawText = await response.text();
const payload = tryParseKisEnvelope<TOutput>(rawText);
if (!response.ok) {
const detail = payload.msg1 || rawText.slice(0, 200);
throw new Error(detail ? `KIS API 요청 실패 (${response.status}): ${detail}` : `KIS API 요청 실패 (${response.status})`);
}
if (payload.rt_cd && payload.rt_cd !== "0") {
const detail = [payload.msg1, payload.msg_cd].filter(Boolean).join(" / ");
throw new Error(detail || "KIS API 비즈니스 오류가 발생했습니다.");
}
return payload;
}
/**
* KIS 응답을 안전하게 JSON으로 파싱합니다.
* @param rawText fetch 응답 원문
* @returns KisApiEnvelope
* @see lib/kis/token.ts tryParseTokenResponse - 토큰 발급 응답 파싱 방식과 동일 패턴
*/
function tryParseKisEnvelope<TOutput>(rawText: string): KisApiEnvelope<TOutput> {
try {
return JSON.parse(rawText) as KisApiEnvelope<TOutput>;
} catch {
return {
msg1: rawText.slice(0, 200),
};
}
}
// 하위 호환(alias)
export const kisMockGet = kisGet;

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/**
* @file lib/kis/config.ts
* @description KIS 거래 환경(real/mock) 설정과 키/도메인 로딩
*/
export type KisTradingEnv = "real" | "mock";
export interface KisCredentialInput {
tradingEnv?: KisTradingEnv;
appKey?: string;
appSecret?: string;
baseUrl?: string;
}
export interface KisConfig {
tradingEnv: KisTradingEnv;
appKey: string;
appSecret: string;
baseUrl: string;
}
const DEFAULT_KIS_REAL_BASE_URL = "https://openapi.koreainvestment.com:9443";
const DEFAULT_KIS_MOCK_BASE_URL = "https://openapivts.koreainvestment.com:29443";
const DEFAULT_KIS_REAL_WS_URL = "ws://ops.koreainvestment.com:21000";
const DEFAULT_KIS_MOCK_WS_URL = "ws://ops.koreainvestment.com:31000";
/**
* 거래 환경 문자열을 정규화합니다.
* @param value 환경값
* @returns real | mock
*/
export function normalizeTradingEnv(value?: string): KisTradingEnv {
return (value ?? "mock").toLowerCase() === "real" ? "real" : "mock";
}
/**
* 현재 거래 환경을 반환합니다.
* @returns real | mock
*/
export function getKisTradingEnv() {
return normalizeTradingEnv(process.env.KIS_TRADING_ENV);
}
/**
* KIS 웹소켓 URL을 반환합니다.
* @param tradingEnvInput 거래 모드(real/mock)
* @returns websocket base url
*/
export function getKisWebSocketUrl(tradingEnvInput?: KisTradingEnv) {
const tradingEnv = normalizeTradingEnv(tradingEnvInput);
if (tradingEnv === "real") {
return process.env.KIS_WS_URL_REAL ?? DEFAULT_KIS_REAL_WS_URL;
}
return process.env.KIS_WS_URL_MOCK ?? DEFAULT_KIS_MOCK_WS_URL;
}
/**
* 설정 준비 여부를 확인합니다.
* @param input 외부(사용자 입력) 키가 있으면 우선 사용
* @returns 사용 가능 여부
*/
export function hasKisConfig(input?: KisCredentialInput) {
if (input?.appKey && input?.appSecret) return true;
const env = getKisTradingEnv();
if (env === "real") {
return Boolean(process.env.KIS_APP_KEY_REAL && process.env.KIS_APP_SECRET_REAL);
}
return Boolean(process.env.KIS_APP_KEY_MOCK && process.env.KIS_APP_SECRET_MOCK);
}
/**
* KIS 호출에 필요한 설정을 반환합니다.
* @param input 사용자 입력 키(선택)
* @returns tradingEnv/appKey/appSecret/baseUrl
*/
export function getKisConfig(input?: KisCredentialInput): KisConfig {
if (input?.appKey && input?.appSecret) {
const tradingEnv = normalizeTradingEnv(input.tradingEnv);
const baseUrl =
input.baseUrl ??
(tradingEnv === "real" ? DEFAULT_KIS_REAL_BASE_URL : DEFAULT_KIS_MOCK_BASE_URL);
return {
tradingEnv,
appKey: input.appKey,
appSecret: input.appSecret,
baseUrl,
};
}
const tradingEnv = getKisTradingEnv();
if (tradingEnv === "real") {
const appKey = process.env.KIS_APP_KEY_REAL;
const appSecret = process.env.KIS_APP_SECRET_REAL;
const baseUrl = process.env.KIS_BASE_URL_REAL ?? DEFAULT_KIS_REAL_BASE_URL;
if (!appKey || !appSecret) {
throw new Error(
"KIS 실전투자 키가 없습니다. KIS_APP_KEY_REAL, KIS_APP_SECRET_REAL 환경변수를 설정하세요.",
);
}
return { tradingEnv, appKey, appSecret, baseUrl };
}
const appKey = process.env.KIS_APP_KEY_MOCK;
const appSecret = process.env.KIS_APP_SECRET_MOCK;
const baseUrl = process.env.KIS_BASE_URL_MOCK ?? DEFAULT_KIS_MOCK_BASE_URL;
if (!appKey || !appSecret) {
throw new Error(
"KIS 모의투자 키가 없습니다. KIS_APP_KEY_MOCK, KIS_APP_SECRET_MOCK 환경변수를 설정하세요.",
);
}
return { tradingEnv, appKey, appSecret, baseUrl };
}

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lib/kis/domestic.ts Normal file
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import type { DashboardStockItem, StockCandlePoint } from "@/features/dashboard/types/dashboard.types";
import type { KisCredentialInput } from "@/lib/kis/config";
import { kisGet } from "@/lib/kis/client";
/**
* @file lib/kis/domestic.ts
* @description KIS 국내주식(현재가/일봉) 조회와 대시보드 모델 변환
*/
interface KisDomesticQuoteOutput {
hts_kor_isnm?: string;
rprs_mrkt_kor_name?: string;
bstp_kor_isnm?: string;
stck_prpr?: string;
prdy_vrss?: string;
prdy_vrss_sign?: string;
prdy_ctrt?: string;
stck_oprc?: string;
stck_hgpr?: string;
stck_lwpr?: string;
stck_sdpr?: string;
stck_prdy_clpr?: string;
acml_vol?: string;
}
interface KisDomesticCcnlOutput {
stck_prpr?: string;
prdy_vrss?: string;
prdy_vrss_sign?: string;
prdy_ctrt?: string;
cntg_vol?: string;
}
interface KisDomesticOvertimePriceOutput {
ovtm_untp_prpr?: string;
ovtm_untp_prdy_vrss?: string;
ovtm_untp_prdy_vrss_sign?: string;
ovtm_untp_prdy_ctrt?: string;
ovtm_untp_vol?: string;
ovtm_untp_oprc?: string;
ovtm_untp_hgpr?: string;
ovtm_untp_lwpr?: string;
}
interface KisDomesticDailyPriceOutput {
stck_bsop_date?: string;
stck_clpr?: string;
}
interface DashboardStockFallbackMeta {
name?: string;
market?: "KOSPI" | "KOSDAQ";
}
export type DomesticMarketPhase = "regular" | "afterHours";
export type DomesticPriceSource = "inquire-price" | "inquire-ccnl" | "inquire-overtime-price";
interface DomesticOverviewResult {
stock: DashboardStockItem;
priceSource: DomesticPriceSource;
marketPhase: DomesticMarketPhase;
}
/**
* 국내주식 현재가 조회
* @param symbol 6자리 종목코드
* @param credentials 사용자 입력 키
* @returns KIS 현재가 output
*/
export async function getDomesticQuote(symbol: string, credentials?: KisCredentialInput) {
const response = await kisGet<KisDomesticQuoteOutput>(
"/uapi/domestic-stock/v1/quotations/inquire-price",
"FHKST01010100",
{
FID_COND_MRKT_DIV_CODE: resolvePriceMarketDivCode(credentials),
FID_INPUT_ISCD: symbol,
},
credentials,
);
return response.output ?? {};
}
/**
* 국내주식 일자별 시세 조회
* @param symbol 6자리 종목코드
* @param credentials 사용자 입력 키
* @returns KIS 일봉 output 배열
*/
export async function getDomesticDailyPrice(symbol: string, credentials?: KisCredentialInput) {
const response = await kisGet<KisDomesticDailyPriceOutput[]>(
"/uapi/domestic-stock/v1/quotations/inquire-daily-price",
"FHKST01010400",
{
FID_COND_MRKT_DIV_CODE: "J",
FID_INPUT_ISCD: symbol,
FID_PERIOD_DIV_CODE: "D",
FID_ORG_ADJ_PRC: "1",
},
credentials,
);
return Array.isArray(response.output) ? response.output : [];
}
/**
* 국내주식 현재가 체결 조회
* @param symbol 6자리 종목코드
* @param credentials 사용자 입력 키
* @returns KIS 체결 output
* @see app/api/kis/domestic/overview/route.ts GET - 대시보드 상세 응답에서 장중 가격 우선 소스
*/
export async function getDomesticConclusion(symbol: string, credentials?: KisCredentialInput) {
const response = await kisGet<KisDomesticCcnlOutput | KisDomesticCcnlOutput[]>(
"/uapi/domestic-stock/v1/quotations/inquire-ccnl",
"FHKST01010300",
{
FID_COND_MRKT_DIV_CODE: resolvePriceMarketDivCode(credentials),
FID_INPUT_ISCD: symbol,
},
credentials,
);
const output = response.output;
if (Array.isArray(output)) return output[0] ?? {};
return output ?? {};
}
/**
* 국내주식 시간외 현재가 조회
* @param symbol 6자리 종목코드
* @param credentials 사용자 입력 키
* @returns KIS 시간외 현재가 output
* @see app/api/kis/domestic/overview/route.ts GET - 대시보드 상세 응답에서 장외 가격 우선 소스
*/
export async function getDomesticOvertimePrice(symbol: string, credentials?: KisCredentialInput) {
const response = await kisGet<KisDomesticOvertimePriceOutput>(
"/uapi/domestic-stock/v1/quotations/inquire-overtime-price",
"FHPST02300000",
{
FID_COND_MRKT_DIV_CODE: "J",
FID_INPUT_ISCD: symbol,
},
credentials,
);
return response.output ?? {};
}
/**
* 현재가 + 일봉을 대시보드 모델로 변환
* @param symbol 6자리 종목코드
* @param fallbackMeta 보정 메타(종목명/시장)
* @param credentials 사용자 입력 키
* @returns DashboardStockItem
*/
export async function getDomesticOverview(
symbol: string,
fallbackMeta?: DashboardStockFallbackMeta,
credentials?: KisCredentialInput,
): Promise<DomesticOverviewResult> {
const marketPhase = getDomesticMarketPhaseInKst();
const emptyCcnl: KisDomesticCcnlOutput = {};
const emptyOvertime: KisDomesticOvertimePriceOutput = {};
const [quote, daily, ccnl, overtime] = await Promise.all([
getDomesticQuote(symbol, credentials),
getDomesticDailyPrice(symbol, credentials),
getDomesticConclusion(symbol, credentials).catch(() => emptyCcnl),
marketPhase === "afterHours"
? getDomesticOvertimePrice(symbol, credentials).catch(() => emptyOvertime)
: Promise.resolve(emptyOvertime),
]);
const currentPrice =
firstDefinedNumber(
toOptionalNumber(ccnl.stck_prpr),
toOptionalNumber(overtime.ovtm_untp_prpr),
toOptionalNumber(quote.stck_prpr),
) ?? 0;
const currentPriceSource = resolveCurrentPriceSource(marketPhase, overtime, ccnl, quote);
const rawChange =
firstDefinedNumber(
toOptionalNumber(ccnl.prdy_vrss),
toOptionalNumber(overtime.ovtm_untp_prdy_vrss),
toOptionalNumber(quote.prdy_vrss),
) ?? 0;
const signCode =
firstDefinedString(ccnl.prdy_vrss_sign, overtime.ovtm_untp_prdy_vrss_sign, quote.prdy_vrss_sign);
const change = normalizeSignedValue(rawChange, signCode);
const rawChangeRate =
firstDefinedNumber(
toOptionalNumber(ccnl.prdy_ctrt),
toOptionalNumber(overtime.ovtm_untp_prdy_ctrt),
toOptionalNumber(quote.prdy_ctrt),
) ?? 0;
const changeRate = normalizeSignedValue(rawChangeRate, signCode);
const prevClose = firstPositive(
toNumber(quote.stck_sdpr),
toNumber(quote.stck_prdy_clpr),
Math.max(currentPrice - change, 0),
);
const candles = toCandles(daily, currentPrice);
return {
stock: {
symbol,
name: quote.hts_kor_isnm?.trim() || fallbackMeta?.name || symbol,
market: resolveMarket(quote.rprs_mrkt_kor_name, quote.bstp_kor_isnm, fallbackMeta?.market),
currentPrice,
change,
changeRate,
open: firstPositive(
toNumber(overtime.ovtm_untp_oprc),
toNumber(quote.stck_oprc),
currentPrice,
),
high: firstPositive(
toNumber(overtime.ovtm_untp_hgpr),
toNumber(quote.stck_hgpr),
currentPrice,
),
low: firstPositive(
toNumber(overtime.ovtm_untp_lwpr),
toNumber(quote.stck_lwpr),
currentPrice,
),
prevClose,
volume: firstPositive(
toNumber(overtime.ovtm_untp_vol),
toNumber(quote.acml_vol),
toNumber(ccnl.cntg_vol),
),
candles,
},
priceSource: currentPriceSource,
marketPhase,
};
}
function toNumber(value?: string) {
if (!value) return 0;
const normalized = value.replaceAll(",", "").trim();
if (!normalized) return 0;
const parsed = Number(normalized);
return Number.isFinite(parsed) ? parsed : 0;
}
function toOptionalNumber(value?: string) {
if (!value) return undefined;
const normalized = value.replaceAll(",", "").trim();
if (!normalized) return undefined;
const parsed = Number(normalized);
return Number.isFinite(parsed) ? parsed : undefined;
}
function normalizeSignedValue(value: number, signCode?: string) {
const abs = Math.abs(value);
if (signCode === "4" || signCode === "5") return -abs;
if (signCode === "1" || signCode === "2") return abs;
return value;
}
function resolveMarket(...values: Array<string | undefined>) {
const merged = values.filter(Boolean).join(" ");
if (merged.includes("코스닥") || merged.toUpperCase().includes("KOSDAQ")) return "KOSDAQ" as const;
return "KOSPI" as const;
}
function toCandles(rows: KisDomesticDailyPriceOutput[], currentPrice: number): StockCandlePoint[] {
const parsed = rows
.map((row) => ({
date: row.stck_bsop_date ?? "",
price: toNumber(row.stck_clpr),
}))
.filter((item) => item.date.length === 8 && item.price > 0)
.sort((a, b) => a.date.localeCompare(b.date))
.slice(-20)
.map((item) => ({
time: formatDate(item.date),
price: item.price,
}));
if (parsed.length > 0) return parsed;
return [{ time: "오늘", price: Math.max(currentPrice, 0) }];
}
function formatDate(date: string) {
return `${date.slice(4, 6)}/${date.slice(6, 8)}`;
}
function getDomesticMarketPhaseInKst(now = new Date()): DomesticMarketPhase {
const parts = new Intl.DateTimeFormat("en-US", {
timeZone: "Asia/Seoul",
weekday: "short",
hour: "2-digit",
minute: "2-digit",
hour12: false,
}).formatToParts(now);
const partMap = new Map(parts.map((part) => [part.type, part.value]));
const weekday = partMap.get("weekday");
const hour = Number(partMap.get("hour") ?? "0");
const minute = Number(partMap.get("minute") ?? "0");
const totalMinutes = hour * 60 + minute;
if (weekday === "Sat" || weekday === "Sun") return "afterHours";
if (totalMinutes >= 9 * 60 && totalMinutes < 15 * 60 + 30) return "regular";
return "afterHours";
}
function firstDefinedNumber(...values: Array<number | undefined>) {
return values.find((value) => value !== undefined);
}
function firstDefinedString(...values: Array<string | undefined>) {
return values.find((value) => Boolean(value));
}
function resolveCurrentPriceSource(
marketPhase: DomesticMarketPhase,
overtime: KisDomesticOvertimePriceOutput,
ccnl: KisDomesticCcnlOutput,
quote: KisDomesticQuoteOutput,
): DomesticPriceSource {
const hasOvertimePrice = toOptionalNumber(overtime.ovtm_untp_prpr) !== undefined;
const hasCcnlPrice = toOptionalNumber(ccnl.stck_prpr) !== undefined;
const hasQuotePrice = toOptionalNumber(quote.stck_prpr) !== undefined;
if (marketPhase === "afterHours") {
if (hasOvertimePrice) return "inquire-overtime-price";
if (hasCcnlPrice) return "inquire-ccnl";
return "inquire-price";
}
if (hasCcnlPrice) return "inquire-ccnl";
if (hasQuotePrice) return "inquire-price";
return "inquire-price";
}
function resolvePriceMarketDivCode(credentials?: KisCredentialInput) {
return credentials?.tradingEnv === "mock" ? "J" : "UN";
}
function firstPositive(...values: number[]) {
return values.find((value) => value > 0) ?? 0;
}

238
lib/kis/token.ts Normal file
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import { createHash } from "node:crypto";
import type { KisCredentialInput } from "@/lib/kis/config";
import { clearKisApprovalKeyCache } from "@/lib/kis/approval";
import { getKisConfig } from "@/lib/kis/config";
/**
* @file lib/kis/token.ts
* @description KIS access token 발급/캐시 관리(실전/모의 공통)
*/
interface KisTokenResponse {
access_token?: string;
access_token_token_expired?: string;
expires_in?: number;
msg1?: string;
msg_cd?: string;
error?: string;
error_description?: string;
}
interface KisTokenCache {
token: string;
expiresAt: number;
}
interface KisRevokeResponse {
code?: number | string;
message?: string;
msg1?: string;
}
const tokenCacheMap = new Map<string, KisTokenCache>();
const tokenIssueInFlightMap = new Map<string, Promise<KisTokenCache>>();
const TOKEN_REFRESH_BUFFER_MS = 60 * 1000;
function hashKey(value: string) {
return createHash("sha256").update(value).digest("hex");
}
function getTokenCacheKey(credentials?: KisCredentialInput) {
const config = getKisConfig(credentials);
return `${config.tradingEnv}:${hashKey(config.appKey)}`;
}
/**
* KIS access token 발급
* @param credentials 사용자 입력 키(선택)
* @returns token + expiresAt
* @see app/api/kis/validate/route.ts POST - 사용자 키 검증 시 토큰 발급 경로
*/
async function issueKisToken(credentials?: KisCredentialInput): Promise<KisTokenCache> {
const config = getKisConfig(credentials);
const tokenUrl = `${config.baseUrl}/oauth2/tokenP`;
const response = await fetch(tokenUrl, {
method: "POST",
headers: {
"content-type": "application/json; charset=utf-8",
},
body: JSON.stringify({
grant_type: "client_credentials",
appkey: config.appKey,
appsecret: config.appSecret,
}),
cache: "no-store",
});
const rawText = await response.text();
const payload = tryParseTokenResponse(rawText);
if (!response.ok || !payload.access_token) {
const detail = [payload.msg1, payload.error_description, payload.error, payload.msg_cd]
.filter(Boolean)
.join(" / ");
const hint = buildTokenIssueHint(detail, config.tradingEnv);
throw new Error(
detail
? `KIS 토큰 발급 실패 (${config.tradingEnv}, ${response.status}): ${detail}${hint}`
: `KIS 토큰 발급 실패 (${config.tradingEnv}, ${response.status})${hint}`,
);
}
return {
token: payload.access_token,
expiresAt: resolveTokenExpiry(payload),
};
}
/**
* 토큰 발급 실패 시 점검 안내를 생성합니다.
* @param detail KIS 응답 메시지
* @param tradingEnv 거래 모드(real/mock)
* @returns 점검 안내 문자열
* @see https://apiportal.koreainvestment.com/apiservice-apiservice
*/
function buildTokenIssueHint(detail: string, tradingEnv: "real" | "mock") {
const lower = detail.toLowerCase();
const keyError =
lower.includes("appkey") ||
lower.includes("appsecret") ||
lower.includes("secret") ||
lower.includes("invalid") ||
lower.includes("인증");
if (keyError) {
return ` | 점검: ${tradingEnv === "real" ? "실전" : "모의"} 앱키/시크릿 쌍이 맞는지 확인하세요.`;
}
return " | 점검: KIS API 포털에서 앱 상태(사용 가능/차단)와 실전·모의 구분을 다시 확인하세요.";
}
/**
* 토큰 응답 문자열을 안전하게 JSON으로 변환합니다.
* @param rawText fetch 응답 원문
* @returns KisTokenResponse
*/
function tryParseTokenResponse(rawText: string): KisTokenResponse {
try {
return JSON.parse(rawText) as KisTokenResponse;
} catch {
// JSON 파싱 실패 시에도 호출부에서 상태코드 기반 에러를 만들 수 있게 기본 객체를 반환합니다.
return {
msg1: rawText.slice(0, 200),
};
}
}
/**
* 토큰 만료시각 계산
* @param payload 토큰 응답
* @returns epoch ms
*/
function resolveTokenExpiry(payload: KisTokenResponse) {
if (payload.access_token_token_expired) {
const parsed = Date.parse(payload.access_token_token_expired.replace(" ", "T"));
if (!Number.isNaN(parsed)) return parsed;
}
if (typeof payload.expires_in === "number" && payload.expires_in > 0) {
return Date.now() + payload.expires_in * 1000;
}
return Date.now() + 23 * 60 * 60 * 1000;
}
/**
* access token 반환(환경/키 단위 메모리 캐시)
* @param credentials 사용자 입력 키(선택)
* @returns access token
* @see lib/kis/domestic.ts getDomesticOverview - 현재가/일봉 병렬 조회 시 공용 토큰 사용
*/
export async function getKisAccessToken(credentials?: KisCredentialInput) {
const cacheKey = getTokenCacheKey(credentials);
const cached = tokenCacheMap.get(cacheKey);
if (cached && cached.expiresAt - TOKEN_REFRESH_BUFFER_MS > Date.now()) {
return cached.token;
}
// 같은 키로 동시에 요청이 들어오면 토큰 발급을 1회로 합칩니다.
const inFlight = tokenIssueInFlightMap.get(cacheKey);
if (inFlight) {
const shared = await inFlight;
return shared.token;
}
const nextPromise = issueKisToken(credentials);
tokenIssueInFlightMap.set(cacheKey, nextPromise);
const next = await nextPromise.finally(() => {
tokenIssueInFlightMap.delete(cacheKey);
});
tokenCacheMap.set(cacheKey, next);
return next.token;
}
/**
* KIS access token 폐기 요청
* @param credentials 사용자 입력 키(선택)
* @returns 폐기 응답 메시지
* @see app/api/kis/revoke/route.ts POST - 대시보드 접근 폐기 버튼 처리
*/
export async function revokeKisAccessToken(credentials?: KisCredentialInput) {
const config = getKisConfig(credentials);
const cacheKey = getTokenCacheKey(credentials);
const token = await getKisAccessToken(credentials);
const response = await fetch(`${config.baseUrl}/oauth2/revokeP`, {
method: "POST",
headers: {
"content-type": "application/json; charset=utf-8",
},
body: JSON.stringify({
appkey: config.appKey,
appsecret: config.appSecret,
token,
}),
cache: "no-store",
});
const rawText = await response.text();
const payload = tryParseRevokeResponse(rawText);
const code = payload.code != null ? String(payload.code) : "";
const isSuccessCode = code === "" || code === "200";
if (!response.ok || !isSuccessCode) {
const detail = [payload.message, payload.msg1].filter(Boolean).join(" / ");
throw new Error(
detail
? `KIS 토큰 폐기 실패 (${config.tradingEnv}, ${response.status}): ${detail}`
: `KIS 토큰 폐기 실패 (${config.tradingEnv}, ${response.status})`,
);
}
tokenCacheMap.delete(cacheKey);
tokenIssueInFlightMap.delete(cacheKey);
clearKisApprovalKeyCache(credentials);
return payload.message ?? "접근토큰 폐기에 성공하였습니다.";
}
/**
* 토큰 폐기 응답 문자열을 안전하게 JSON으로 변환합니다.
* @param rawText fetch 응답 원문
* @returns KisRevokeResponse
* @see https://apiportal.koreainvestment.com/apiservice-apiservice?/oauth2/revokeP
*/
function tryParseRevokeResponse(rawText: string): KisRevokeResponse {
try {
return JSON.parse(rawText) as KisRevokeResponse;
} catch {
return {
message: rawText.slice(0, 200),
};
}
}