151 lines
3.7 KiB
Go
151 lines
3.7 KiB
Go
package main
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import (
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log "github.com/sirupsen/logrus"
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"github.com/gorilla/mux"
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"net/http"
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"time"
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"os"
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"strconv"
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)
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var router = mux.NewRouter()
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func write_error(w http.ResponseWriter) {
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w.Header().Set("Content-Type", "application/json")
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w.WriteHeader(http.StatusOK)
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jsonData := []byte(`{"status":"ERROR","reason":"bad request"}`)
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w.Write(jsonData)
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}
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func write_error_message(w http.ResponseWriter, message string) {
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w.Header().Set("Content-Type", "application/json")
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w.WriteHeader(http.StatusOK)
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jsonData := []byte(`{"status":"ERROR","reason":"` + message + `"}`)
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w.Write(jsonData)
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}
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func lnurlp_response(w http.ResponseWriter, r *http.Request) {
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name := mux.Vars(r)["name"]
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log.WithFields(
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log.Fields{
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"url_path": r.URL.Path,
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"name": name,
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"r.Host": r.Host,
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},).Info("lnurlp_response")
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// look up domain in env vars (HOST_DOMAIN)
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domain := os.Getenv("HOST_DOMAIN")
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if r.Host != domain {
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log.Warn("wrong host domain")
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write_error(w)
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return
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}
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// look up name in database (table cards, field card_name)
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card_count, err := db_get_card_count_for_name(name)
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if err != nil {
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log.Warn("could not get card count for name")
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write_error(w)
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return
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}
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if card_count != 1 {
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log.Info("not one card with that name")
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write_error(w)
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return
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}
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metadata := "[[\\\"text/identifier\\\",\\\"" + name + "@" + domain + "\\\"],[\\\"text/plain\\\",\\\"" + name + "@" + domain + "\\\"]]"
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jsonData := []byte(`{"status":"OK",` +
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`"callback":"https://` + domain + `/lnurlp/` + name + `",` +
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`"tag":"payRequest",` +
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`"maxSendable":1000000000,` +
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`"minSendable":1000,` +
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`"metadata":"` + metadata + `",` +
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`"commentAllowed":0` +
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`}`)
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w.Header().Set("Content-Type", "application/json")
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w.WriteHeader(http.StatusOK)
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w.Write(jsonData)
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}
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func lnurlp_callback(w http.ResponseWriter, r *http.Request) {
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name := mux.Vars(r)["name"]
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amount := r.URL.Query().Get("amount");
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log.WithFields(
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log.Fields{
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"url_path": r.URL.Path,
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"name": name,
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"amount": amount,
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"req.Host": r.Host,
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},).Info("lnurlp_callback")
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domain := os.Getenv("HOST_DOMAIN")
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if r.Host != domain {
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log.Warn("wrong host domain")
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write_error(w)
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return
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}
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//TODO add err
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amount_msat, _ := strconv.ParseInt(amount, 10, 64)
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amount_sat := amount_msat / 1000;
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//TODO add err
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metadata := "[[\"text/identifier\",\"" + name + "@" + domain + "\"],[\"text/plain\",\"" + name + "@" + domain + "\"]]"
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pr, _ := add_invoice(amount_sat, metadata)
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jsonData := []byte(`{` +
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`"status":"OK","successAction":{"tag":"message","message":"Payment success!"}` +
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`,"routes":[],"pr":"` + pr + `","disposable":false` +
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`}`)
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w.Header().Set("Content-Type", "application/json")
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w.WriteHeader(http.StatusOK)
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w.Write(jsonData)
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}
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func main() {
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log_level := os.Getenv("LOG_LEVEL")
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if log_level == "DEBUG" {
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log.SetLevel(log.DebugLevel)
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log.Info("bolt card service started - debug log level")
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} else {
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log.Info("bolt card service started - production log level")
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}
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log.SetFormatter(&log.JSONFormatter{
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DisableHTMLEscape: true,
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})
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// createboltcard
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router.Path("/new").Methods("GET").HandlerFunc(new_card_request)
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// lnurlw for pos
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router.Path("/ln").Methods("GET").HandlerFunc(lnurlw_response)
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router.Path("/cb").Methods("GET").HandlerFunc(lnurlw_callback)
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// lnurlp for lightning address lnurlp
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router.Path("/.well-known/lnurlp/{name}").Methods("GET").HandlerFunc(lnurlp_response)
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router.Path("/lnurlp/{name}").Methods("GET").HandlerFunc(lnurlp_callback)
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port := os.Getenv("HOST_PORT")
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if len(port) == 0 {
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port = "9000"
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}
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srv := &http.Server {
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Handler: router,
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Addr: ":" + port, // consider adding host
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WriteTimeout: 30 * time.Second,
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ReadTimeout: 30 * time.Second,
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}
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srv.ListenAndServe()
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}
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