276 lines
7.2 KiB
Go
276 lines
7.2 KiB
Go
package controller
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import (
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"fmt"
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"io"
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"log"
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"net/http"
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"one-api/common"
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"one-api/model"
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"one-api/setting"
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"strconv"
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"strings"
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"time"
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"github.com/gin-gonic/gin"
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"github.com/stripe/stripe-go/v81"
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"github.com/stripe/stripe-go/v81/checkout/session"
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"github.com/stripe/stripe-go/v81/webhook"
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"github.com/thanhpk/randstr"
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)
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const (
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PaymentMethodStripe = "stripe"
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)
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var stripeAdaptor = &StripeAdaptor{}
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type StripePayRequest struct {
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Amount int64 `json:"amount"`
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PaymentMethod string `json:"payment_method"`
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}
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type StripeAdaptor struct {
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}
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func (*StripeAdaptor) RequestAmount(c *gin.Context, req *StripePayRequest) {
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if req.Amount < getStripeMinTopup() {
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c.JSON(200, gin.H{"message": "error", "data": fmt.Sprintf("充值数量不能小于 %d", getStripeMinTopup())})
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return
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}
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id := c.GetInt("id")
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group, err := model.GetUserGroup(id, true)
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if err != nil {
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c.JSON(200, gin.H{"message": "error", "data": "获取用户分组失败"})
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return
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}
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payMoney := getStripePayMoney(float64(req.Amount), group)
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if payMoney <= 0.01 {
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c.JSON(200, gin.H{"message": "error", "data": "充值金额过低"})
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return
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}
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c.JSON(200, gin.H{"message": "success", "data": strconv.FormatFloat(payMoney, 'f', 2, 64)})
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}
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func (*StripeAdaptor) RequestPay(c *gin.Context, req *StripePayRequest) {
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if req.PaymentMethod != PaymentMethodStripe {
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c.JSON(200, gin.H{"message": "error", "data": "不支持的支付渠道"})
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return
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}
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if req.Amount < int64(setting.StripeMinTopUp) {
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c.JSON(200, gin.H{"message": fmt.Sprintf("充值数量不能小于 %d", setting.StripeMinTopUp), "data": 10})
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return
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}
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if req.Amount > 10000 {
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c.JSON(200, gin.H{"message": "充值数量不能大于 10000", "data": 10})
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return
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}
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id := c.GetInt("id")
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user, _ := model.GetUserById(id, false)
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chargedMoney := GetChargedAmount(float64(req.Amount), *user)
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reference := fmt.Sprintf("new-api-ref-%d-%d-%s", user.Id, time.Now().UnixMilli(), randstr.String(4))
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referenceId := "ref_" + common.Sha1(reference)
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payLink, err := genStripeLink(referenceId, user.StripeCustomer, user.Email, req.Amount)
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if err != nil {
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log.Println("获取Stripe Checkout支付链接失败", err)
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c.JSON(200, gin.H{"message": "error", "data": "拉起支付失败"})
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return
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}
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topUp := &model.TopUp{
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UserId: id,
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Amount: req.Amount,
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Money: chargedMoney,
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TradeNo: referenceId,
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CreateTime: time.Now().Unix(),
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Status: common.TopUpStatusPending,
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}
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err = topUp.Insert()
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if err != nil {
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c.JSON(200, gin.H{"message": "error", "data": "创建订单失败"})
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return
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}
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c.JSON(200, gin.H{
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"message": "success",
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"data": gin.H{
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"pay_link": payLink,
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},
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})
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}
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func RequestStripeAmount(c *gin.Context) {
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var req StripePayRequest
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err := c.ShouldBindJSON(&req)
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if err != nil {
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c.JSON(200, gin.H{"message": "error", "data": "参数错误"})
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return
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}
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stripeAdaptor.RequestAmount(c, &req)
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}
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func RequestStripePay(c *gin.Context) {
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var req StripePayRequest
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err := c.ShouldBindJSON(&req)
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if err != nil {
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c.JSON(200, gin.H{"message": "error", "data": "参数错误"})
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return
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}
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stripeAdaptor.RequestPay(c, &req)
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}
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func StripeWebhook(c *gin.Context) {
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payload, err := io.ReadAll(c.Request.Body)
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if err != nil {
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log.Printf("解析Stripe Webhook参数失败: %v\n", err)
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c.AbortWithStatus(http.StatusServiceUnavailable)
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return
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}
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signature := c.GetHeader("Stripe-Signature")
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endpointSecret := setting.StripeWebhookSecret
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event, err := webhook.ConstructEventWithOptions(payload, signature, endpointSecret, webhook.ConstructEventOptions{
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IgnoreAPIVersionMismatch: true,
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})
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if err != nil {
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log.Printf("Stripe Webhook验签失败: %v\n", err)
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c.AbortWithStatus(http.StatusBadRequest)
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return
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}
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switch event.Type {
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case stripe.EventTypeCheckoutSessionCompleted:
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sessionCompleted(event)
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case stripe.EventTypeCheckoutSessionExpired:
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sessionExpired(event)
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default:
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log.Printf("不支持的Stripe Webhook事件类型: %s\n", event.Type)
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}
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c.Status(http.StatusOK)
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}
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func sessionCompleted(event stripe.Event) {
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customerId := event.GetObjectValue("customer")
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referenceId := event.GetObjectValue("client_reference_id")
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status := event.GetObjectValue("status")
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if "complete" != status {
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log.Println("错误的Stripe Checkout完成状态:", status, ",", referenceId)
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return
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}
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err := model.Recharge(referenceId, customerId)
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if err != nil {
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log.Println(err.Error(), referenceId)
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return
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}
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total, _ := strconv.ParseFloat(event.GetObjectValue("amount_total"), 64)
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currency := strings.ToUpper(event.GetObjectValue("currency"))
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log.Printf("收到款项：%s, %.2f(%s)", referenceId, total/100, currency)
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}
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func sessionExpired(event stripe.Event) {
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referenceId := event.GetObjectValue("client_reference_id")
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status := event.GetObjectValue("status")
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if "expired" != status {
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log.Println("错误的Stripe Checkout过期状态:", status, ",", referenceId)
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return
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}
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if "" == referenceId {
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log.Println("未提供支付单号")
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return
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}
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topUp := model.GetTopUpByTradeNo(referenceId)
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if topUp == nil {
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log.Println("充值订单不存在", referenceId)
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return
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}
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if topUp.Status != common.TopUpStatusPending {
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log.Println("充值订单状态错误", referenceId)
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}
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topUp.Status = common.TopUpStatusExpired
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err := topUp.Update()
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if err != nil {
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log.Println("过期充值订单失败", referenceId, ", err:", err.Error())
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return
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}
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log.Println("充值订单已过期", referenceId)
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}
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func genStripeLink(referenceId string, customerId string, email string, amount int64) (string, error) {
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if !strings.HasPrefix(setting.StripeApiSecret, "sk_") && !strings.HasPrefix(setting.StripeApiSecret, "rk_") {
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return "", fmt.Errorf("无效的Stripe API密钥")
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}
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stripe.Key = setting.StripeApiSecret
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params := &stripe.CheckoutSessionParams{
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ClientReferenceID: stripe.String(referenceId),
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SuccessURL: stripe.String(setting.ServerAddress + "/log"),
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CancelURL: stripe.String(setting.ServerAddress + "/topup"),
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LineItems: []*stripe.CheckoutSessionLineItemParams{
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{
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Price: stripe.String(setting.StripePriceId),
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Quantity: stripe.Int64(amount),
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},
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},
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Mode: stripe.String(string(stripe.CheckoutSessionModePayment)),
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}
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if "" == customerId {
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if "" != email {
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params.CustomerEmail = stripe.String(email)
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}
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params.CustomerCreation = stripe.String(string(stripe.CheckoutSessionCustomerCreationAlways))
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} else {
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params.Customer = stripe.String(customerId)
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}
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result, err := session.New(params)
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if err != nil {
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return "", err
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}
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return result.URL, nil
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}
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func GetChargedAmount(count float64, user model.User) float64 {
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topUpGroupRatio := common.GetTopupGroupRatio(user.Group)
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if topUpGroupRatio == 0 {
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topUpGroupRatio = 1
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}
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return count * topUpGroupRatio
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}
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func getStripePayMoney(amount float64, group string) float64 {
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if !common.DisplayInCurrencyEnabled {
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amount = amount / common.QuotaPerUnit
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}
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// 别问为什么用float64，问就是这么点钱没必要
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topupGroupRatio := common.GetTopupGroupRatio(group)
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if topupGroupRatio == 0 {
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topupGroupRatio = 1
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}
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payMoney := amount * setting.StripeUnitPrice * topupGroupRatio
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return payMoney
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}
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func getStripeMinTopup() int64 {
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minTopup := setting.StripeMinTopUp
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if !common.DisplayInCurrencyEnabled {
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minTopup = minTopup * int(common.QuotaPerUnit)
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}
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return int64(minTopup)
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}
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