微信小程序支付遇到问题，因为没有 WX_MCH_PRIVATE_KEY

2026-07-21 07:59:57 +08:00
parent ade68972a9
commit bc0b0cafd6
6 changed files with 129 additions and 10 deletions
@@ -0,0 +1,77 @@
+#!/usr/bin/env node
+const fs = require('fs');
+const crypto = require('crypto');
+const path = process.argv[2] || '/opt/dukang/server/dukang-api/.env.production';
+
+function stripQuotes(s) {
+  const t = s.trim();
+  if ((t.startsWith('"') && t.endsWith('"')) || (t.startsWith("'") && t.endsWith("'"))) {
+    return t.slice(1, -1);
+  }
+  return t;
+}
+
+function parseEnvValue(text, key) {
+  const re = new RegExp(`^${key}=(.*)$`, 'm');
+  const m = text.match(re);
+  if (!m) return null;
+  return stripQuotes(m[1]);
+}
+
+function tryKey(name, key) {
+  const literalN = (key.match(/\\n/g) || []).length;
+  const realN = (key.match(/\n/g) || []).length;
+  const hasBegin = /BEGIN (RSA )?PRIVATE KEY/.test(key);
+  try {
+    crypto.createPrivateKey(key);
+    console.log(`${name}: OK begin=${hasBegin} literalN=${literalN} realN=${realN} len=${key.length}`);
+    return true;
+  } catch (e) {
+    console.log(
+      `${name}: FAIL ${e.message} begin=${hasBegin} literalN=${literalN} realN=${realN} len=${key.length} head=${JSON.stringify(key.slice(0, 48))}`,
+    );
+    return false;
+  }
+}
+
+const text = fs.readFileSync(path, 'utf8');
+const raw = parseEnvValue(text, 'WX_MCH_PRIVATE_KEY');
+if (!raw) {
+  console.log('MISSING WX_MCH_PRIVATE_KEY in', path);
+  process.exit(1);
+}
+
+console.log('file=', path);
+console.log('MOCK_PAY=', parseEnvValue(text, 'MOCK_PAY'));
+console.log('WX_MINI_APP_ID=', parseEnvValue(text, 'WX_MINI_APP_ID'));
+console.log('WX_APP_ID=', parseEnvValue(text, 'WX_APP_ID'));
+console.log('WX_MCH_ID=', parseEnvValue(text, 'WX_MCH_ID'));
+console.log('WX_PAY_NOTIFY_URL=', parseEnvValue(text, 'WX_PAY_NOTIFY_URL'));
+
+const variants = {
+  as_is: raw,
+  unescape_n: raw.replace(/\\n/g, '\n'),
+  unescape_twice: raw.replace(/\\\\n/g, '\\n').replace(/\\n/g, '\n'),
+  strip_cr_unesc: raw.replace(/\\n/g, '\n').replace(/\r/g, ''),
+  // dotenv style sometimes leaves surrounding quotes in process.env
+  quoted_unesc: stripQuotes(raw).replace(/\\n/g, '\n'),
+};
+
+let ok = false;
+for (const [name, key] of Object.entries(variants)) {
+  if (tryKey(name, key)) ok = true;
+}
+
+// also simulate dotenv load
+try {
+  const dotenv = require('dotenv');
+  const parsed = dotenv.parse(text);
+  const fromDotenv = parsed.WX_MCH_PRIVATE_KEY || '';
+  console.log('dotenv_raw_literalN=', (fromDotenv.match(/\\n/g) || []).length, 'realN=', (fromDotenv.match(/\n/g) || []).length);
+  tryKey('dotenv_as_is', fromDotenv);
+  tryKey('dotenv_unescape', fromDotenv.replace(/\\n/g, '\n'));
+} catch (e) {
+  console.log('dotenv skip', e.message);
+}
+
+process.exit(ok ? 0 : 2);
@@ -11,7 +11,7 @@ DEPLOY_HOST=""
 DEPLOY_USER="root"
 DEPLOY_PORT="22"
 DEPLOY_SSH_KEY=""
-APP_ROOT="/opt/dukang-haoke"
+APP_ROOT="/opt/dukang"

 TARGET="${1:-production}"
 case "$TARGET" in