3 files changed, 108 insertions, 3 deletions
diff --git a/go/android_build_shapeshifter_lib.sh b/go/android_build_core.sh
index bbe3c84a..1a6af5b7 100755
--- a/go/android_build_shapeshifter_lib.sh
+++ b/go/android_build_core.sh
@@ -16,6 +16,7 @@ echo "getting gomobile..."
 ./golang/go/bin/go get golang.org/x/mobile/cmd/gomobile
 echo "initiating gomobile..."
 ./bin/gomobile init
-echo "cross compiling shapeshifter lib..."
-./bin/gomobile bind -target=android -o ./lib/shapeshifter.aar se.leap.bitmaskclient/shapeshifter/
-cp lib/shapeshifter* ../shapeshifter/.
-\ No newline at end of file
+if [ ! -d ./lib ]; then mkdir ./lib; fi
+echo "cross compiling bitmask core lib (shapeshifter)..."
+./bin/gomobile bind -target=android -o ./lib/bitmask-core.aar se.leap.bitmaskclient/shapeshifter/
+cp lib/bitmask-core* ../bitmask-core/.
+\ No newline at end of file
diff --git a/go/android_build_web_core.sh b/go/android_build_web_core.sh
new file mode 100755
index 00000000..762d4dad
--- /dev/null
+++ b/go/android_build_web_core.sh
@@ -0,0 +1,22 @@
+#!/bin/bash
+
+export GOPATH=`pwd`
+export GO_LANG=`pwd`/golang/go/bin
+export GO_COMPILED=`pwd`/bin
+PATH="${GO_LANG}:${GO_COMPILED}:${PATH}"
+
+if [ -z $ANDROID_NDK_HOME ]; then
+        echo "Android NDK path not specified!"
+        echo "Please set \$ANDROID_NDK_HOME before starting this script!"
+        exit 1;
+fi
+
+./golang/go/bin/go env
+echo "getting gomobile..."
+./golang/go/bin/go get golang.org/x/mobile/cmd/gomobile
+echo "initiating gomobile..."
+./bin/gomobile init
+if [ ! -d ./lib ]; then mkdir ./lib; fi
+echo "cross compiling bitmask web apk core lib (shapeshifter, pgpverify)..."
+./bin/gomobile bind -target=android -o ./lib/bitmask-web-core.aar se.leap.bitmaskclient/shapeshifter/ se.leap.bitmaskclient/pgpverify
+cp lib/bitmask-web-core* ../bitmask-web-core/.
+\ No newline at end of file
diff --git a/go/src/se.leap.bitmaskclient/pgpverify/pgpverify.go b/go/src/se.leap.bitmaskclient/pgpverify/pgpverify.go
new file mode 100644
index 00000000..653ea695
--- /dev/null
+++ b/go/src/se.leap.bitmaskclient/pgpverify/pgpverify.go
@@ -0,0 +1,82 @@
+package pgpverify
+
+import (
+	"os"
+	"strings"
+
+	"golang.org/x/crypto/openpgp"
+)
+
+// PgpVerifier - exported struct used for file verification
+type PgpVerifier struct {
+	//Signature string
+	//Target    string
+	//PublicKey string
+	Logger Logger
+}
+
+// Logger - logging interface
+type Logger interface {
+	Log(msg string)
+}
+
+// Verify checks if a file was signed with the correct pgp key
+// using a PEM formatted signature and a corresponding public key
+func (pgpv *PgpVerifier) Verify(signature string, publicKey string, targetPath string) bool {
+	keyRingReader := strings.NewReader(publicKey)
+	signatureReader := strings.NewReader(signature)
+
+	verificationTarget, err := os.Open(targetPath)
+	if err != nil {
+		pgpv.Logger.Log("Open verification target: " + err.Error())
+		return false
+	}
+
+	keyring, err := openpgp.ReadArmoredKeyRing(keyRingReader)
+	if err != nil {
+		pgpv.Logger.Log("Read Armored Key Ring: " + err.Error())
+		return false
+	}
+	_, err = openpgp.CheckArmoredDetachedSignature(keyring, verificationTarget, signatureReader)
+	if err != nil {
+		pgpv.Logger.Log("Verification failed: " + err.Error())
+		return false
+	}
+	pgpv.Logger.Log("Successfully verified: entity.Identities")
+	return true
+}
+
+/*func main() {
+	keyRingReader, err := os.Open("public_leap.asc")
+	if err != nil {
+		fmt.Println(err)
+		return
+	}
+
+	signature, err := os.Open("RiseupVPN_release_1.0.5.apk.sig")
+	if err != nil {
+		fmt.Println(err)
+		return
+	}
+
+	verificationTarget, err := os.Open("RiseupVPN_release_1.0.5.apk")
+	if err != nil {
+		fmt.Println(err)
+		return
+	}
+
+	keyring, err := openpgp.ReadArmoredKeyRing(keyRingReader)
+	if err != nil {
+		fmt.Println("Read Armored Key Ring: " + err.Error())
+		return
+	}
+	entity, err := openpgp.CheckArmoredDetachedSignature(keyring, verificationTarget, signature)
+	if err != nil {
+		fmt.Println("Check Detached Signature: " + err.Error())
+		return
+	} else {
+		fmt.Println("successfully verified")
+	}
+
+	fmt.Println(entity.Identities)
+}*/