add PGP data

cmd/main.go

@@ -11,6 +11,7 @@ func main() {
 	router.GET("/", routes.GetCertificateInfo)
 	router.GET("/tls", routes.GetCertificateInfo)
 	router.POST("/parse", routes.GetCertificateInformationEncoded)
+	router.POST("/pgp", routes.GetOpenPGPInformationEncoded)
 
 	router.Run()
 }

go.mod

@@ -10,7 +10,7 @@ require (
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
 	github.com/modern-go/reflect2 v1.0.1 // indirect
 	github.com/ugorji/go v1.2.1 // indirect
-	golang.org/x/crypto v0.0.0-20201208171446-5f87f3452ae9 // indirect
+	golang.org/x/crypto v0.0.0-20201208171446-5f87f3452ae9
 	golang.org/x/sys v0.0.0-20201211002650-1f0c578a6b29 // indirect
 	google.golang.org/protobuf v1.25.0 // indirect
 	gopkg.in/yaml.v2 v2.4.0 // indirect

routes/get.go

@@ -1,6 +1,9 @@
 package routes
 
 import (
+	"golang.org/x/crypto/openpgp"
+	"golang.org/x/crypto/openpgp/armor"
+	"golang.org/x/crypto/openpgp/packet"
 	"crypto/ecdsa"
 	"crypto/ed25519"
 	"crypto/rsa"
@@ -11,10 +14,74 @@ import (
 	"encoding/pem"
 	"io/ioutil"
 	"net/http"
+	"time"
 
 	"github.com/gin-gonic/gin"
 )
 
+type PGPKey struct {
+	FullName, Name, Comment, Email string
+	CreationTime time.Time
+	PublicKeyAlgorithm packet.PublicKeyAlgorithm
+	Fingerprint [20]byte
+	KeyID uint16
+}
+
+func GetOpenPGPInformationEncoded(c *gin.Context) {
+	query := c.Copy().Request.Body
+
+	block, err := armor.Decode(query)
+	if err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{
+			"status": false,
+			"message": "Unable to parse body.",
+		})
+		return
+	}
+	pkt := packet.NewReader(block.Body)
+	entity, err := openpgp.ReadEntity(pkt)
+	if err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{
+			"status": false,
+			"message": "Unable to parse body.",
+		})
+		return
+	}
+	if len(entity.Identities) > 1 {
+		c.JSON(http.StatusBadRequest, gin.H{
+			"status": false,
+			"message": "No identities found in PGP key.",
+		})
+		return
+	}
+	var key *PGPKey
+	for name, identity := range entity.Identities {
+		key = &PGPKey{
+			FullName: name,
+			Name: identity.UserId.Name,
+			Comment: identity.UserId.Comment,
+			Email: identity.UserId.Email,
+			CreationTime: entity.PrimaryKey.CreationTime,
+			PublicKeyAlgorithm: entity.PrimaryKey.PubKeyAlgo,
+			Fingerprint: entity.PrimaryKey.Fingerprint,
+			KeyID: uint16(entity.PrimaryKey.KeyId),
+		}
+		break
+	}
+	
+	c.JSON(http.StatusOK, gin.H{
+		"status": true,
+		"fullName": key.FullName,
+		"name": key.Name,
+		"comment": key.Comment,
+		"email": key.Email,
+		"creationTime": key.CreationTime,
+		"publicKeyAlgorithm": key.PublicKeyAlgorithm,
+		"fingerprint": hex.EncodeToString(key.Fingerprint[:]),
+		"keyID": key.KeyID,
+	})
+}
+
 // GetCertificateInformationEncoded handler function for providing raw data to be parsed
 func GetCertificateInformationEncoded(c *gin.Context) {
 	query := c.Copy().Request.Body