Files
kra-new/internal/integration/payment/wechat_v3_certificate_test.go
2026-09-23 17:41:15 +08:00

80 lines
2.6 KiB
Go

package payment
import (
"crypto/aes"
"crypto/cipher"
"encoding/base64"
"encoding/json"
"net/http"
"net/http/httptest"
"strings"
"testing"
"time"
)
func TestWechatV3WithoutPlatformCertificateLoadsVerificationKey(t *testing.T) {
_, merchantPrivatePEM, _ := testRSAKeyPair(t)
_, _, platformPublicPEM := testRSAKeyPair(t)
apiV3Key := "01234567890123456789012345678901"
block, err := aes.NewCipher([]byte(apiV3Key))
if err != nil {
t.Fatal(err)
}
gcm, err := cipher.NewGCM(block)
if err != nil {
t.Fatal(err)
}
nonce, associatedData := "0123456789ab", "certificate"
ciphertext := base64.StdEncoding.EncodeToString(gcm.Seal(nil, []byte(nonce), []byte(platformPublicPEM), []byte(associatedData)))
server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if r.URL.Path != "/v3/certificates" {
t.Errorf("unexpected path %q", r.URL.Path)
}
w.Header().Set("Content-Type", "application/json")
_ = json.NewEncoder(w).Encode(map[string]any{"data": []any{map[string]any{
"serial_no": "platform-serial",
"effective_time": time.Now().Add(-time.Hour).Format(time.RFC3339),
"expire_time": time.Now().Add(24 * time.Hour).Format(time.RFC3339),
"encrypt_certificate": map[string]any{
"algorithm": "AEAD_AES_256_GCM", "nonce": nonce,
"associated_data": associatedData, "ciphertext": ciphertext,
},
}}})
}))
defer server.Close()
client, err := newWechatV3Client(map[string]any{
"merchant_id": "merchant", "serial_no": "merchant-serial",
"api_v3_key": apiV3Key, "private_key": merchantPrivatePEM,
"create_url": server.URL,
}, "create_url")
if err != nil {
t.Fatal(err)
}
if client.WxPublicKeyMap()["platform-serial"] == nil {
t.Fatal("fetched platform key was not installed for signature verification")
}
}
func TestWechatV3WithoutPlatformCertificateFetchesFromConfiguredEndpoint(t *testing.T) {
_, merchantPrivatePEM, _ := testRSAKeyPair(t)
requestPath := ""
server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
requestPath = r.URL.Path
w.WriteHeader(http.StatusServiceUnavailable)
}))
defer server.Close()
_, err := newWechatV3Client(map[string]any{
"merchant_id": "merchant", "serial_no": "merchant-serial",
"api_v3_key": "01234567890123456789012345678901",
"private_key": merchantPrivatePEM, "create_url": server.URL,
}, "create_url")
if requestPath != "/v3/certificates" {
t.Fatalf("certificate request path = %q", requestPath)
}
if err == nil || !strings.Contains(err.Error(), "自动获取平台证书失败") {
t.Fatalf("certificate fetch error = %v", err)
}
}