shanshanzhong 62186ca672
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feat(iap/apple): 实现苹果IAP非续期订阅功能
新增苹果IAP相关接口与逻辑,包括产品列表查询、交易绑定、状态查询和恢复购买功能。移除旧的IAP验证逻辑,重构订阅系统以支持苹果IAP交易记录存储和权益计算。

- 新增/pkg/iap/apple包处理JWS解析和产品映射
- 实现GET /products、POST /attach、POST /restore和GET /status接口
- 新增apple_iap_transactions表存储交易记录
- 更新文档说明配置方式和接口规范
- 移除旧的AppleIAP验证和通知处理逻辑
2025-12-13 20:54:50 -08:00

56 lines
1.2 KiB
Go

package apple
import (
"encoding/base64"
"encoding/json"
"strings"
"time"
)
func ParseTransactionJWS(jws string) (*TransactionPayload, error) {
parts := strings.Split(jws, ".")
if len(parts) != 3 {
return nil, ErrInvalidJWS
}
payloadB64 := parts[1]
// add padding if required
switch len(payloadB64) % 4 {
case 2:
payloadB64 += "=="
case 3:
payloadB64 += "="
}
data, err := base64.RawURLEncoding.DecodeString(payloadB64)
if err != nil {
return nil, err
}
var raw map[string]interface{}
if err = json.Unmarshal(data, &raw); err != nil {
return nil, err
}
var resp TransactionPayload
if v, ok := raw["bundleId"].(string); ok {
resp.BundleId = v
}
if v, ok := raw["productId"].(string); ok {
resp.ProductId = v
}
if v, ok := raw["transactionId"].(string); ok {
resp.TransactionId = v
}
if v, ok := raw["originalTransactionId"].(string); ok {
resp.OriginalTransactionId = v
}
if v, ok := raw["purchaseDate"].(float64); ok {
resp.PurchaseDate = time.UnixMilli(int64(v))
} else if v, ok := raw["purchaseDate"].(int64); ok {
resp.PurchaseDate = time.UnixMilli(v)
}
if v, ok := raw["revocationDate"].(float64); ok {
t := time.UnixMilli(int64(v))
resp.RevocationDate = &t
}
return &resp, nil
}