wanwu/sub2apipay
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

fix: 修复支付宝签名时错误排除 sign_type 导致 invalid-signature

Browse Source 
支付宝验签字符串包含 sign_type 字段，但 generateSign 错误地
将 sign_type 与 sign 一起排除。只需排除 sign，保留 sign_type。

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
erio
2026-03-06 16:14:52 +08:00
parent 0763d72a89
commit ad6b63dd9e
3 changed files with 10 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
src/lib/alipay/client.ts
View File

@@ -51,7 +51,7 @@ export function pageExecute(
params.sign = generateSign(params, env.ALIPAY_PRIVATE_KEY);
const query = new URLSearchParams({ ...params, sign_type: 'RSA2' }).toString();
const query = new URLSearchParams(params).toString();
return `${GATEWAY}?${query}`;
}
@@ -72,7 +72,6 @@ export async function execute<T extends AlipayResponse>(
};
params.sign = generateSign(params, env.ALIPAY_PRIVATE_KEY);
params.sign_type = 'RSA2';
const response = await fetch(GATEWAY, {
method: 'POST',

8
src/lib/alipay/sign.ts
View File

@@ -14,9 +14,7 @@ function formatPublicKey(key: string): string {
/** 生成 RSA2 签名 */
export function generateSign(params: Record<string, string>, privateKey: string): string {
const filtered = Object.entries(params)
.filter(
([key, value]) => key !== 'sign' && key !== 'sign_type' && value !== '' && value !== undefined && value !== null,
)
.filter(([key, value]) => key !== 'sign' && value !== '' && value !== undefined && value !== null)
.sort(([a], [b]) => a.localeCompare(b));
const signStr = filtered.map(([key, value]) => `${key}=${value}`).join('&');
@@ -29,9 +27,7 @@ export function generateSign(params: Record<string, string>, privateKey: string)
/** 用支付宝公钥验证签名 */
export function verifySign(params: Record<string, string>, alipayPublicKey: string, sign: string): boolean {
const filtered = Object.entries(params)
.filter(
([key, value]) => key !== 'sign' && key !== 'sign_type' && value !== '' && value !== undefined && value !== null,
)
.filter(([key, value]) => key !== 'sign' && value !== '' && value !== undefined && value !== null)
.sort(([a], [b]) => a.localeCompare(b));
const signStr = filtered.map(([key, value]) => `${key}=${value}`).join('&');