From 2d322f5093c10aaae5053f2e4f4a959a08040e5d Mon Sep 17 00:00:00 2001
From: Christine Dodrill <me@christine.website>
Date: Sat, 30 Nov 2019 16:40:22 +0000
Subject: [PATCH] initial commit

---
 .gitignore |  1 +
 LICENSE    | 12 ++++++++++++
 README.md  |  3 +++
 go.mod     | 15 +++++++++++++++
 go.sum     | 21 +++++++++++++++++++++
 main.go    | 55 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 6 files changed, 107 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 LICENSE
 create mode 100644 README.md
 create mode 100644 go.mod
 create mode 100644 go.sum
 create mode 100644 main.go

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..4c49bd7
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+.env
diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..87df039
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,12 @@
+Copyright (c) 2019 Christine Dodrill <me@christine.website>
+
+Permission to use, copy, modify, and/or distribute this software for any
+purpose with or without fee is hereby granted.
+
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
+REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
+INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+PERFORMANCE OF THIS SOFTWARE.
\ No newline at end of file
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..363de0e
--- /dev/null
+++ b/README.md
@@ -0,0 +1,3 @@
+# yubidude
+
+Yubidude is a small yubikey OTP tester and username extractor sample.
diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..1e750b2
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,15 @@
+module tulpa.dev/cadey/yubidude
+
+go 1.13
+
+require (
+	github.com/GeertJohan/yubigo v0.0.0-20190917122436-175bc097e60e
+	github.com/conformal/yubikey v0.0.0-20140117205816-65ac3de5ed8f
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/facebookgo/ensure v0.0.0-20160127193407-b4ab57deab51 // indirect
+	github.com/facebookgo/flagenv v0.0.0-20160425205200-fcd59fca7456
+	github.com/facebookgo/stack v0.0.0-20160209184415-751773369052 // indirect
+	github.com/facebookgo/subset v0.0.0-20150612182917-8dac2c3c4870 // indirect
+	github.com/joho/godotenv v1.3.0
+	github.com/kr/pretty v0.1.0
+)
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..3124774
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,21 @@
+github.com/GeertJohan/yubigo v0.0.0-20190917122436-175bc097e60e h1:Bqtt5C+uVk+vH/t5dmB47uDCTwxw16EYHqvJnmY2aQc=
+github.com/GeertJohan/yubigo v0.0.0-20190917122436-175bc097e60e/go.mod h1:njRCDrl+1RQ/A/+KVU8Ho2EWAxUSkohOWczdW3dzDG0=
+github.com/conformal/yubikey v0.0.0-20140117205816-65ac3de5ed8f h1:6arIzlpAngUFbjJmFwqdKXCr0iQZkaiAzpDPprqM3Ss=
+github.com/conformal/yubikey v0.0.0-20140117205816-65ac3de5ed8f/go.mod h1:zVcG9twkhqcPdA/KivDkevbYHZFWN3gAJkHuxqH4OCc=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/facebookgo/ensure v0.0.0-20160127193407-b4ab57deab51 h1:0JZ+dUmQeA8IIVUMzysrX4/AKuQwWhV2dYQuPZdvdSQ=
+github.com/facebookgo/ensure v0.0.0-20160127193407-b4ab57deab51/go.mod h1:Yg+htXGokKKdzcwhuNDwVvN+uBxDGXJ7G/VN1d8fa64=
+github.com/facebookgo/flagenv v0.0.0-20160425205200-fcd59fca7456 h1:CkmB2l68uhvRlwOTPrwnuitSxi/S3Cg4L5QYOcL9MBc=
+github.com/facebookgo/flagenv v0.0.0-20160425205200-fcd59fca7456/go.mod h1:zFhibDvPDWmtk4dAQ05sRobtyoffEHygEt3wSNuAzz8=
+github.com/facebookgo/stack v0.0.0-20160209184415-751773369052 h1:JWuenKqqX8nojtoVVWjGfOF9635RETekkoH6Cc9SX0A=
+github.com/facebookgo/stack v0.0.0-20160209184415-751773369052/go.mod h1:UbMTZqLaRiH3MsBH8va0n7s1pQYcu3uTb8G4tygF4Zg=
+github.com/facebookgo/subset v0.0.0-20150612182917-8dac2c3c4870 h1:E2s37DuLxFhQDg5gKsWoLBOB0n+ZW8s599zru8FJ2/Y=
+github.com/facebookgo/subset v0.0.0-20150612182917-8dac2c3c4870/go.mod h1:5tD+neXqOorC30/tWg0LCSkrqj/AR6gu8yY8/fpw1q0=
+github.com/joho/godotenv v1.3.0 h1:Zjp+RcGpHhGlrMbJzXTrZZPrWj+1vfm90La1wgB6Bhc=
+github.com/joho/godotenv v1.3.0/go.mod h1:7hK45KPybAkOC6peb+G5yklZfMxEjkZhHbwpqxOKXbg=
+github.com/kr/pretty v0.1.0 h1:L/CwN0zerZDmRFUapSPitk6f+Q3+0za1rQkzVuMiMFI=
+github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
+github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
+github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
+github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
diff --git a/main.go b/main.go
new file mode 100644
index 0000000..a0141b6
--- /dev/null
+++ b/main.go
@@ -0,0 +1,55 @@
+package main
+
+import (
+	"bufio"
+	"flag"
+	"fmt"
+	"log"
+	"os"
+	"strings"
+
+	"github.com/GeertJohan/yubigo"
+	"github.com/facebookgo/flagenv"
+	_ "github.com/joho/godotenv/autoload"
+)
+
+var (
+	clientID  = flag.String("client-id", "", "yubikey client ID")
+	secretKey = flag.String("secret-key", "", "yubikey secret key")
+)
+
+func main() {
+	flagenv.Parse()
+	flag.Parse()
+
+	ya, err := yubigo.NewYubiAuth(*clientID, *secretKey)
+	if err != nil {
+		log.Fatal("bad creds:", err)
+	}
+
+	reader := bufio.NewReader(os.Stdin)
+	fmt.Print("Enter text: ")
+	otp, err := reader.ReadString('\n')
+	if err != nil {
+		log.Fatal("error reading OTP:", err)
+	}
+	otp = strings.TrimSpace(otp)
+	fmt.Println("input: ", otp)
+
+	pubID, _, err := yubigo.ParseOTP(otp)
+	if err != nil {
+		log.Fatal("error parsing OTP:", err)
+	}
+
+	fmt.Println("prefix:", string(pubID))
+
+	_, ok, err := ya.Verify(otp)
+	if err != nil {
+		log.Fatal("bad response:", err)
+	}
+	if !ok {
+		log.Fatal("not ok")
+	}
+
+	fmt.Println("code is valid")
+}