more work on data encryption

core.py

@@ -31,10 +31,31 @@ class Core:
         key = gpg.gen_key(input_data)
         return
     
-    def dataDirEncrypt(self):
-        simplecrypt.encrypt()
+    def dataDirEncrypt(self, password):
+        # Encrypt data directory (don't delete it in this function)
+        if os.path.exists('data.tar'):
+            os.remove('data.tar')
+        tar = tarfile.open("data.tar", "w")
+        for name in ['data']:
+            tar.add(name)
+        tar.close()
+        tarData = open('data.tar', 'r',  encoding = "ISO-8859-1").read()
+        encrypted = simplecrypt.encrypt(password, tarData)
+        open('data-encrypted.dat', 'wb').write(encrypted)
+        os.remove('data.tar')
         return
-
+    def dataDirDecrypt(self, password):
+        # Decrypt data directory
+        if not os.path.exists('data-encrypted.dat'):
+            return (False, 'encrypted archive does not exist')
+        data = open('data-encrypted.dat', 'rb').read()
+        try:
+            decrypted = simplecrypt.decrypt(password, data)
+        except simplecrypt.DecryptionException:
+            return (False, 'wrong password')
+        else:
+            open('data.tar', 'wb').write(decrypted)
+        return (True, '')
     def daemonQueue(self):
         # This function intended to be used by the client
         # Queue to exchange data between "client" and server.

tests.py

@@ -14,7 +14,7 @@
     You should have received a copy of the GNU General Public License
     along with this program.  If not, see <https://www.gnu.org/licenses/>.
 '''
-import unittest, sys, os, base64, tarfile, shutil
+import unittest, sys, os, base64, tarfile, shutil, simplecrypt
 
 class OnionrTests(unittest.TestCase):
     def testPython3(self):
@@ -32,14 +32,26 @@ class OnionrTests(unittest.TestCase):
             self.assertTrue(False)
         else:
             self.assertTrue(True)
-    def testDataEncrypt(self):
-        testFile = open('data/test.txt', 'w')
-        testFile.write("test data")
-        testFile.close()
+    def testData_a_Encrypt(self):
+        print('--------------------------')
+        print('Running data dir encrypt test')
         import core
-        myCore = Core.core()
-
-        self.assertTrue(True)
+        myCore = core.Core()
+        myCore.dataDirEncrypt('password')
+        if os.path.exists('data-encrypted.dat'):
+            self.assertTrue(True)
+        else:
+            self.assertTrue(False)
+    def testData_b_Decrypt(self):
+        print('--------------------------')
+        print('Running data dir decrypt test')
+        import core
+        myCore = core.Core()
+        myCore.dataDirDecrypt('password')
+        if os.path.exists('data.tar'):
+            self.assertTrue(True)
+        else:
+            self.assertTrue(False)
     def testPGPGen(self):
         print('--------------------------')
         print('Testing PGP key generation')