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stripehandler.go
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/
stripehandler.go
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/*
* Copyright 2019 Aletheia Ware LLC
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package bcnetgo
import (
"aletheiaware.com/bcgo"
"aletheiaware.com/financego"
"aletheiaware.com/netgo"
"bufio"
"fmt"
"github.com/stripe/stripe-go"
"html/template"
"io/ioutil"
"log"
"net/http"
)
func StripeWebhookHandler(callback func(*stripe.Event)) func(w http.ResponseWriter, r *http.Request) {
return func(w http.ResponseWriter, r *http.Request) {
log.Println(r.RemoteAddr, r.Proto, r.Method, r.Host, r.URL.Path, r.Header)
log.Println("Stripe Webhook", r)
data, err := ioutil.ReadAll(r.Body)
if err != nil {
log.Println(err)
return
}
event, err := financego.ConstructEvent(data, r.Header.Get("Stripe-Signature"))
if err != nil {
log.Println(err)
return
}
log.Println("Stripe Event", event)
/*
log.Println("Account", event.Account)
log.Println("Created", event.Created)
log.Println("Data Object", event.Data.Object)
log.Println("Data PreviousAttributes", event.Data.PreviousAttributes)
log.Println("ID", event.ID)
log.Println("Livemode", event.Livemode)
log.Println("PendingWebhooks", event.PendingWebhooks)
log.Println("Request ID", event.Request.ID)
log.Println("Request IdempotencyKey", event.Request.IdempotencyKey)
log.Println("Type", event.Type)
*/
w.WriteHeader(http.StatusOK)
callback(&event)
}
}
func RegistrationHandler(merchantAlias, merchantName, merchantKey string, template *template.Template, callback func(string, string, string) (string, *bcgo.Reference, error)) func(w http.ResponseWriter, r *http.Request) {
return func(w http.ResponseWriter, r *http.Request) {
log.Println(r.RemoteAddr, r.Proto, r.Method, r.Host, r.URL.Path, r.Header)
switch r.Method {
case "GET":
alias := netgo.GetQueryParameter(r.URL.Query(), "alias")
next := netgo.GetQueryParameter(r.URL.Query(), "next")
log.Println("Alias", alias)
log.Println("Next", next)
data := struct {
Description string
Key string
Name string
Alias string
Next string
}{
Description: merchantAlias,
Key: merchantKey,
Name: merchantName,
Alias: alias,
Next: next,
}
if err := template.Execute(w, data); err != nil {
log.Println(err)
return
}
case "POST":
r.ParseForm()
api := r.Form["api"]
alias := r.Form["alias"]
stripeEmail := r.Form["stripeEmail"]
// stripeBillingName := r.Form["stripeBillingName"]
// stripeBillingAddressLine1 := r.Form["stripeBillingAddressLine1"]
// stripeBillingAddressCity := r.Form["stripeBillingAddressCity"]
// stripeBillingAddressZip := r.Form["stripeBillingAddressZip"]
// stripeBillingAddressCountry := r.Form["stripeBillingAddressCountry"]
// stripeBillingAddressCountryCode := r.Form["stripeBillingAddressCountryCode"]
// stripeBillingAddressState := r.Form["stripeBillingAddressState"]
stripeToken := r.Form["stripeToken"]
// stripeTokenType := r.Form["stripeTokenType"]
next := r.Form["next"]
if len(alias) == 0 {
log.Println("Missing Alias")
return
}
if len(stripeEmail) == 0 {
log.Println("Missing Stripe Email")
return
}
if len(stripeToken) == 0 {
log.Println("Missing Stripe Token")
return
}
customerID, registrationReference, err := callback(alias[0], stripeEmail[0], stripeToken[0])
if err != nil {
log.Println(err)
return
}
if len(api) > 0 {
switch api[0] {
case "1":
w.Write([]byte(customerID))
w.Write([]byte("\n"))
return
case "2":
if err := bcgo.WriteDelimitedProtobuf(bufio.NewWriter(w), registrationReference); err != nil {
log.Println(err)
}
return
}
}
if len(next) > 0 {
http.Redirect(w, r, fmt.Sprintf("%s?alias=%s&customerId=%s", next[0], alias[0], customerID), http.StatusFound)
}
http.Redirect(w, r, "/registered.html", http.StatusFound)
default:
log.Println("Unsupported method", r.Method)
}
}
}
func SubscriptionHandler(template *template.Template, redirect string, callback func(string, string) (string, *bcgo.Reference, error)) func(w http.ResponseWriter, r *http.Request) {
return func(w http.ResponseWriter, r *http.Request) {
log.Println(r.RemoteAddr, r.Proto, r.Method, r.Host, r.URL.Path, r.Header)
switch r.Method {
case "GET":
alias := netgo.GetQueryParameter(r.URL.Query(), "alias")
customerId := netgo.GetQueryParameter(r.URL.Query(), "customerId")
log.Println("Alias", alias)
log.Println("Customer ID", customerId)
data := struct {
Alias string
CustomerId string
}{
Alias: alias,
CustomerId: customerId,
}
if err := template.Execute(w, data); err != nil {
log.Println(err)
return
}
case "POST":
r.ParseForm()
api := r.Form["api"]
alias := r.Form["alias"]
customerId := r.Form["customerId"]
if len(alias) == 0 {
log.Println("Missing Alias")
return
}
if len(customerId) == 0 {
log.Println("Missing Customer ID")
return
}
subscriptionID, subscriptionReference, err := callback(alias[0], customerId[0])
if err != nil {
log.Println(err)
return
}
if len(api) > 0 {
switch api[0] {
case "1":
w.Write([]byte(subscriptionID))
w.Write([]byte("\n"))
return
case "2":
if err := bcgo.WriteDelimitedProtobuf(bufio.NewWriter(w), subscriptionReference); err != nil {
log.Println(err)
}
return
}
}
http.Redirect(w, r, redirect, http.StatusFound)
default:
log.Println("Unsupported method", r.Method)
}
}
}