From a384644cb4f52106d987a2d4673ad29cae65a2fa Mon Sep 17 00:00:00 2001
From: Christian Stewart <christian@aperture.us>
Date: Sun, 17 Nov 2024 22:18:26 -0800
Subject: [PATCH] feat: add read-public read-private utils

Signed-off-by: Christian Stewart <christian@aperture.us>
---
 cli/util/cli.go  | 26 ++++++++++++++++++++++++++
 cli/util/util.go | 21 +++++++++++++++++++++
 go.sum           |  4 ----
 3 files changed, 47 insertions(+), 4 deletions(-)

diff --git a/cli/util/cli.go b/cli/util/cli.go
index 6387a970..7c712684 100644
--- a/cli/util/cli.go
+++ b/cli/util/cli.go
@@ -47,6 +47,32 @@ func (a *UtilArgs) BuildCommands() []*ucli.Command {
 				},
 			},
 		},
+		{
+			Name:   "read-private",
+			Usage:  "loads a private key pem and prints the peer id",
+			Action: a.RunReadPrivatePeerId,
+			Flags: []ucli.Flag{
+				&ucli.StringFlag{
+					Name:        "file",
+					Aliases:     []string{"f"},
+					Usage:       "file to load pem formatted private key",
+					Destination: &a.FilePath,
+				},
+			},
+		},
+		{
+			Name:   "read-public",
+			Usage:  "loads a public key pem and prints the peer id",
+			Action: a.RunReadPublicPeerId,
+			Flags: []ucli.Flag{
+				&ucli.StringFlag{
+					Name:        "file",
+					Aliases:     []string{"f"},
+					Usage:       "file to load pem formatted public key",
+					Destination: &a.FilePath,
+				},
+			},
+		},
 		{
 			Name:   "derive-public",
 			Usage:  "loads a private key pem and writes a public key",
diff --git a/cli/util/util.go b/cli/util/util.go
index 18f849d8..df679784 100644
--- a/cli/util/util.go
+++ b/cli/util/util.go
@@ -59,6 +59,26 @@ func (a *UtilArgs) RunGeneratePrivate(_ *cli.Context) error {
 	return nil
 }
 
+// RunReadPublicPeerId loads a public key and prints the peer ID.
+func (a *UtilArgs) RunReadPublicPeerId(_ *cli.Context) error {
+	rp, err := a.readInputFilePubKey()
+	if err != nil {
+		return err
+	}
+	_, err = os.Stdout.WriteString(rp.GetPeerID().String() + "\n")
+	return err
+}
+
+// RunReadPrivatePeerId loads a private key and prints the peer ID.
+func (a *UtilArgs) RunReadPrivatePeerId(_ *cli.Context) error {
+	rp, err := a.readInputFilePrivKey()
+	if err != nil {
+		return err
+	}
+	_, err = os.Stdout.WriteString(rp.GetPeerID().String() + "\n")
+	return err
+}
+
 // RunDerivePublic derives the public key from a private pem.
 func (a *UtilArgs) RunDerivePublic(_ *cli.Context) error {
 	rp, err := a.readInputFilePrivKey()
@@ -76,6 +96,7 @@ func (a *UtilArgs) RunDerivePublic(_ *cli.Context) error {
 	return nil
 }
 
+
 // RunDerivePublic derives the ssh public key from a private or public pem.
 func (a *UtilArgs) RunDeriveSshPublic(_ *cli.Context) error {
 	rp, err := a.readInputFilePubKey()
diff --git a/go.sum b/go.sum
index 52a4d74a..856ba5b6 100644
--- a/go.sum
+++ b/go.sum
@@ -120,8 +120,6 @@ github.com/petermattis/goid v0.0.0-20240813172612-4fcff4a6cae7 h1:Dx7Ovyv/SFnMFw
 github.com/petermattis/goid v0.0.0-20240813172612-4fcff4a6cae7/go.mod h1:pxMtw7cyUw6B2bRH0ZBANSPg+AoSud1I1iyJHI69jH4=
 github.com/pion/datachannel v1.5.9 h1:LpIWAOYPyDrXtU+BW7X0Yt/vGtYxtXQ8ql7dFfYUVZA=
 github.com/pion/datachannel v1.5.9/go.mod h1:kDUuk4CU4Uxp82NH4LQZbISULkX/HtzKa4P7ldf9izE=
-github.com/pion/dtls/v3 v3.0.3 h1:j5ajZbQwff7Z8k3pE3S+rQ4STvKvXUdKsi/07ka+OWM=
-github.com/pion/dtls/v3 v3.0.3/go.mod h1:weOTUyIV4z0bQaVzKe8kpaP17+us3yAuiQsEAG1STMU=
 github.com/pion/dtls/v3 v3.0.4 h1:44CZekewMzfrn9pmGrj5BNnTMDCFwr+6sLH+cCuLM7U=
 github.com/pion/dtls/v3 v3.0.4/go.mod h1:R373CsjxWqNPf6MEkfdy3aSe9niZvL/JaKlGeFphtMg=
 github.com/pion/ice/v4 v4.0.2 h1:1JhBRX8iQLi0+TfcavTjPjI6GO41MFn4CeTBX+Y9h5s=
@@ -150,8 +148,6 @@ github.com/pion/transport/v3 v3.0.7 h1:iRbMH05BzSNwhILHoBoAPxoB9xQgOaJk+591KC9P1
 github.com/pion/transport/v3 v3.0.7/go.mod h1:YleKiTZ4vqNxVwh77Z0zytYi7rXHl7j6uPLGhhz9rwo=
 github.com/pion/turn/v4 v4.0.0 h1:qxplo3Rxa9Yg1xXDxxH8xaqcyGUtbHYw4QSCvmFWvhM=
 github.com/pion/turn/v4 v4.0.0/go.mod h1:MuPDkm15nYSklKpN8vWJ9W2M0PlyQZqYt1McGuxG7mA=
-github.com/pion/webrtc/v4 v4.0.1 h1:6Unwc6JzoTsjxetcAIoWH81RUM4K5dBc1BbJGcF9WVE=
-github.com/pion/webrtc/v4 v4.0.1/go.mod h1:SfNn8CcFxR6OUVjLXVslAQ3a3994JhyE3Hw1jAuqEto=
 github.com/pion/webrtc/v4 v4.0.2 h1:fBwm5/hqSUybrCWl0DDBSTDrpbkcgkqpeLmXw9CsBQA=
 github.com/pion/webrtc/v4 v4.0.2/go.mod h1:moylBT2A4dNoEaYBCdV1nThM3TLwRHzWszIG+eSPaqQ=
 github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=