func (sp *StripePayment) handle(w http.ResponseWriter, r *http.Request, session *lobster.Session, frameParams lobster.FrameParams) {
if !lobster.AntifloodCheck(lobster.ExtractIP(r.RemoteAddr), "payment_stripe_handle", 5) {
lobster.RedirectMessage(w, r, "/panel/billing", lobster.L.FormattedError("try_again_later"))
return
}
lobster.AntifloodAction(lobster.ExtractIP(r.RemoteAddr), "payment_stripe_handle")
stripeToken := r.PostFormValue("stripeToken")
amount, amountErr := strconv.Atoi(r.PostFormValue("amount"))
currency := r.PostFormValue("currency")
if stripeToken == "" || amount <= 0 || amountErr != nil || currency == "" {
lobster.RedirectMessage(w, r, "/panel/billing", lobster.L.FormatError(fmt.Errorf("credit card payment failed due to form submission error")))
return
}
// duplicate amount range check here since user might tamper with the amount in the form
cfg := lobster.GetConfig()
if amount < int(cfg.Billing.DepositMinimum*100) || amount > int(cfg.Billing.DepositMaximum*100) {
lobster.RedirectMessage(w, r, "/panel/billing", lobster.L.FormattedErrorf("amount_between", cfg.Billing.DepositMinimum, cfg.Billing.DepositMaximum))
return
}
chargeParams := &stripe.ChargeParams{
Amount: uint64(amount),
Currency: stripe.Currency(currency),
Source: &stripe.SourceParams{Token: stripeToken},
Desc: "Lobster credit",
}
charge, err := sp.client.Charges.New(chargeParams)
if err != nil {
emailParams := StripeErrorEmail{
fmt.Sprintf("error creating charge for user %d", session.UserId),
err,
}
lobster.MailWrap(-1, "stripeError", emailParams, false)
lobster.RedirectMessage(w, r, "/panel/billing", lobster.L.FormatError(fmt.Errorf("credit card payment error; make sure that you have entered your credit card details correctly")))
return
} else if !charge.Paid {
emailParams := StripeErrorEmail{
fmt.Sprintf("created charge for user %d but paid is false", session.UserId),
nil,
}
lobster.MailWrap(-1, "stripeError", emailParams, false)
lobster.RedirectMessage(w, r, "/panel/billing", lobster.L.FormatError(fmt.Errorf("credit card payment error; make sure that you have entered your credit card details correctly")))
return
}
transaction := charge.Tx
lobster.TransactionAdd(
session.UserId,
"stripe",
charge.ID,
"Stripe payment: "+charge.ID,
int64(charge.Amount)*lobster.BILLING_PRECISION/100,
transaction.Fee*lobster.BILLING_PRECISION/100,
)
lobster.RedirectMessage(w, r, "/panel/billing", lobster.L.Success("payment_made"))
}
func (this *CoinbasePayment) callback(w http.ResponseWriter, r *http.Request) {
cfg := lobster.GetConfig()
requestBytes, err := ioutil.ReadAll(r.Body)
if err != nil {
lobster.ReportError(err, "coinbase callback read error", fmt.Sprintf("ip: %s", r.RemoteAddr))
w.WriteHeader(500)
return
}
var data CoinbaseData
err = json.Unmarshal(requestBytes, &data)
if err != nil {
lobster.ReportError(err, "coinbase callback decoding error", fmt.Sprintf("ip: %s; raw request: %s", r.RemoteAddr, requestBytes))
w.WriteHeader(400)
return
}
if data.Order.TotalNative.CurrencyIso != cfg.Billing.Currency {
lobster.ReportError(fmt.Errorf("invalid currency %s", data.Order.TotalNative.CurrencyIso), "coinbase callback error", fmt.Sprintf("ip: %s; raw request: %s", r.RemoteAddr, requestBytes))
w.WriteHeader(200)
return
} else if !strings.HasPrefix(data.Order.Custom, "lobster") {
lobster.ReportError(fmt.Errorf("invalid payment with custom=%s", data.Order.Custom), "coinbase callback error", fmt.Sprintf("ip: %s; raw request: %s", r.RemoteAddr, requestBytes))
w.WriteHeader(200)
return
}
userIdStr := strings.Split(data.Order.Custom, "lobster")[1]
userId, err := strconv.Atoi(userIdStr)
if err != nil {
lobster.ReportError(fmt.Errorf("invalid payment with custom=%s", data.Order.Custom), "coinbase callback error", fmt.Sprintf("ip: %s; raw request: %s", r.RemoteAddr, requestBytes))
w.WriteHeader(200)
return
}
if data.Order.Status == "completed" {
lobster.TransactionAdd(userId, "coinbase", data.Order.Id, "Bitcoin transaction: "+data.Order.Transaction.Id, int64(data.Order.TotalNative.Cents)*lobster.BILLING_PRECISION/100, 0)
} else if data.Order.Status == "mispaid" {
lobster.MailWrap(-1, "coinbaseMispaid", CoinbaseMispaidEmail{OrderId: data.Order.Id}, false)
}
w.WriteHeader(200)
}
func (this *PaypalPayment) Callback(w http.ResponseWriter, r *http.Request) {
cfg := lobster.GetConfig()
requestBytes, err := ioutil.ReadAll(r.Body)
if err != nil {
lobster.ReportError(err, "paypal callback read error", fmt.Sprintf("ip: %s", r.RemoteAddr))
w.WriteHeader(403)
return
}
// decode the post data manually since there may be encoding issues
requestParts := strings.Split(string(requestBytes), "&")
myPost := make(map[string]string)
for _, part := range requestParts {
keyval := strings.Split(part, "=")
if len(keyval) == 2 {
myPost[keyval[0]], _ = url.QueryUnescape(keyval[1])
}
}
// post back to Paypal system to validate the IPN data
validateReq := "cmd=_notify-validate"
for key, value := range myPost {
validateReq += fmt.Sprintf("&%s=%s", key, url.QueryEscape(value))
}
resp, err := http.Post(PAYPAL_URL, "application/x-www-form-urlencoded", bytes.NewBufferString(validateReq))
if err != nil {
lobster.ReportError(err, "paypal callback validation error", fmt.Sprintf("ip: %s; requestmap: %v", r.RemoteAddr, myPost))
w.WriteHeader(403)
return
}
body, err := ioutil.ReadAll(resp.Body)
if err != nil {
lobster.ReportError(err, "paypal callback validation error", fmt.Sprintf("ip: %s; requestmap: %v", r.RemoteAddr, myPost))
w.WriteHeader(403)
return
}
if string(body) != "VERIFIED" || myPost["payment_status"] == "" || myPost["mc_gross"] == "" || myPost["mc_currency"] == "" || myPost["txn_id"] == "" || myPost["receiver_email"] == "" || myPost["payment_status"] == "" || myPost["payer_email"] == "" || myPost["custom"] == "" {
lobster.ReportError(errors.New("missing field or not verified"), "paypal callback bad input or validation", fmt.Sprintf("ip: %s; verify body: %s; requestmap: %v", r.RemoteAddr, body, myPost))
w.WriteHeader(403)
return
}
w.WriteHeader(200)
if myPost["payment_status"] != "Completed" {
return
} else if !strings.HasPrefix(myPost["custom"], "lobster") {
lobster.ReportError(fmt.Errorf("invalid payment with custom=%s", myPost["custom"]), "paypal callback error", fmt.Sprintf("ip: %s; requestmap: %v", r.RemoteAddr, myPost))
return
} else if strings.TrimSpace(strings.ToLower(myPost["receiver_email"])) != strings.TrimSpace(strings.ToLower(this.business)) {
lobster.ReportError(fmt.Errorf("invalid payment with receiver_email=%s", myPost["receiver_email"]), "paypal callback error", fmt.Sprintf("ip: %s; requestmap: %v", r.RemoteAddr, myPost))
return
} else if myPost["mc_currency"] != cfg.Billing.Currency {
lobster.ReportError(fmt.Errorf("invalid payment with currency=%s", myPost["mc_currency"]), "paypal callback error", fmt.Sprintf("ip: %s; requestmap: %v", r.RemoteAddr, myPost))
return
}
paymentAmount, _ := strconv.ParseFloat(myPost["mc_gross"], 64)
transactionId := myPost["txn_id"]
userIdStr := strings.Split(myPost["custom"], "lobster")[1]
userId, err := strconv.Atoi(userIdStr)
if err != nil {
lobster.ReportError(fmt.Errorf("invalid payment with custom=%s", myPost["custom"]), "paypal callback error", fmt.Sprintf("ip: %s; requestmap: %v", r.RemoteAddr, myPost))
return
}
lobster.TransactionAdd(userId, "paypal", transactionId, "Transaction "+transactionId, int64(paymentAmount*lobster.BILLING_PRECISION), 0)
}
func (this *FakePayment) Payment(w http.ResponseWriter, r *http.Request, frameParams lobster.FrameParams, userId int, username string, amount float64) {
lobster.TransactionAdd(userId, "fake", utils.Uid(16), "Fake credit", int64(amount*100)*lobster.BILLING_PRECISION/100, 0)
lobster.RedirectMessage(w, r, "/panel/billing", lobster.LA("payment_fake").Success("credit_added"))
}