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Add QR code

This commit is contained in:
ekzyis 2024-12-27 19:34:36 +01:00
parent 56236d5409
commit 700df20260
5 changed files with 31 additions and 4 deletions
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1
go.mod
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@ -11,6 +11,7 @@ require (
github.com/mattn/go-colorable v0.1.13 // indirect github.com/mattn/go-colorable v0.1.13 // indirect
github.com/mattn/go-isatty v0.0.20 // indirect github.com/mattn/go-isatty v0.0.20 // indirect
github.com/namsral/flag v1.7.4-pre // indirect github.com/namsral/flag v1.7.4-pre // indirect
github.com/skip2/go-qrcode v0.0.0-20200617195104-da1b6568686e // indirect
github.com/valyala/bytebufferpool v1.0.0 // indirect github.com/valyala/bytebufferpool v1.0.0 // indirect
github.com/valyala/fasttemplate v1.2.2 // indirect github.com/valyala/fasttemplate v1.2.2 // indirect
golang.org/x/crypto v0.31.0 // indirect golang.org/x/crypto v0.31.0 // indirect

2
go.sum
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@ -34,6 +34,8 @@ github.com/namsral/flag v1.7.4-pre/go.mod h1:OXldTctbM6SWH1K899kPZcf65KxJiD7Msce
github.com/onsi/ginkgo v1.6.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE= github.com/onsi/ginkgo v1.6.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE=
github.com/onsi/ginkgo v1.7.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE= github.com/onsi/ginkgo v1.7.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE=
github.com/onsi/gomega v1.4.3/go.mod h1:ex+gbHU/CVuBBDIJjb2X0qEXbFg53c61hWP/1CpauHY= github.com/onsi/gomega v1.4.3/go.mod h1:ex+gbHU/CVuBBDIJjb2X0qEXbFg53c61hWP/1CpauHY=
github.com/skip2/go-qrcode v0.0.0-20200617195104-da1b6568686e h1:MRM5ITcdelLK2j1vwZ3Je0FKVCfqOLp5zO6trqMLYs0=
github.com/skip2/go-qrcode v0.0.0-20200617195104-da1b6568686e/go.mod h1:XV66xRDqSt+GTGFMVlhk3ULuV0y9ZmzeVGR4mloJI3M=
github.com/valyala/bytebufferpool v1.0.0 h1:GqA5TC/0021Y/b9FG4Oi9Mr3q7XYx6KllzawFIhcdPw= github.com/valyala/bytebufferpool v1.0.0 h1:GqA5TC/0021Y/b9FG4Oi9Mr3q7XYx6KllzawFIhcdPw=
github.com/valyala/bytebufferpool v1.0.0/go.mod h1:6bBcMArwyJ5K/AmCkWv1jt77kVWyCJ6HpOuEn7z0Csc= github.com/valyala/bytebufferpool v1.0.0/go.mod h1:6bBcMArwyJ5K/AmCkWv1jt77kVWyCJ6HpOuEn7z0Csc=
github.com/valyala/fasttemplate v1.2.2 h1:lxLXG0uE3Qnshl9QyaK6XJxMXlQZELvChBOCmQD0Loo= github.com/valyala/fasttemplate v1.2.2 h1:lxLXG0uE3Qnshl9QyaK6XJxMXlQZELvChBOCmQD0Loo=

21
pages/overlay.templ
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@ -1,6 +1,9 @@
package pages package pages
templ Overlay() { import "github.com/skip2/go-qrcode"
import "encoding/base64"
templ Overlay(lnurl string) {
<html> <html>
<head> <head>
<meta charset="UTF-8"> <meta charset="UTF-8">
@ -25,6 +28,22 @@ templ Overlay() {
}, 60_000) }, 60_000)
}) })
</script> </script>
<div class="bg-white fixed bottom-0 left-0 text-center p-3">
<img src={ "data:image/jpeg;base64," + qrEncode(lnurl) }/>
<div>scan to zap message</div>
</div>
</body> </body>
</html> </html>
} }
func qrEncode(value string) string {
q, err := qrcode.New(value, qrcode.Medium)
q.DisableBorder = true
png, err := q.PNG(256)
if err != nil {
return ""
}
return base64.StdEncoding.EncodeToString([]byte(png))
}

6
pages/render.go
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@ -27,8 +27,10 @@ func GetEnv(ctx context.Context) string {
return "development" return "development"
} }
func OverlayHandler(c echo.Context) error { func OverlayHandler(lnurl string) echo.HandlerFunc {
return render(c, http.StatusOK, Overlay()) return func(c echo.Context) error {
return render(c, http.StatusOK, Overlay(lnurl))
}
} }
func render(ctx echo.Context, statusCode int, t templ.Component) error { func render(ctx echo.Context, statusCode int, t templ.Component) error {

5
server/server.go
View File

@ -1,6 +1,7 @@
package server package server
import ( import (
"fmt"
"log" "log"
"net/url" "net/url"
@ -44,7 +45,9 @@ func NewServer() *Server {
s.Static("/", "public/") s.Static("/", "public/")
s.GET("/overlay", pages.OverlayHandler) s.GET("/overlay", pages.OverlayHandler(
lnurl.Encode(fmt.Sprintf("%s/.well-known/lnurlp/%s", env.PublicUrl, "SNL")),
))
s.GET("/overlay/sse", sseHandler(p.IncomingPayments())) s.GET("/overlay/sse", sseHandler(p.IncomingPayments()))
return s return s