Add simple test SSH server.

testssh/main.go

@@ -0,0 +1,42 @@
+package main
+
+import (
+	"bytes"
+	"io"
+	"log"
+
+	"github.com/gliderlabs/ssh"
+	"github.com/qpliu/qrencode-go/qrencode"
+
+	"git.icedream.tech/icedream/pixelqr/internal"
+)
+
+func main() {
+	greeting := "https://git.icedream.tech/icedream/pixelqr"
+
+	ssh.Handle(func(s ssh.Session) {
+		grid, err := qrencode.Encode(greeting, qrencode.ECLevelQ)
+		if err != nil {
+			log.Println(err)
+			return
+		}
+
+		w := new(bytes.Buffer)
+		err = internal.ConvertGridToUnicode(w, grid)
+		if err != nil {
+			log.Println(err)
+			return
+		}
+		qrs := string(w.Bytes())
+
+		io.WriteString(s, "Scan this QR code for the link to the library that generated it:\n\n")
+		io.WriteString(s, qrs)
+		io.WriteString(s, "\n\nThank you!\n")
+
+		for err == nil {
+			_, err = s.Read([]byte{})
+		}
+	})
+
+	log.Fatal(ssh.ListenAndServe(":2020", nil))
+}