* always check needed config on startup

+ added Dockerfile

Dockerfile

@@ -0,0 +1,22 @@
+FROM ubuntu:xenial
+
+#Base settings
+ENV HOME /root
+
+#Install needed packages
+RUN apt update && apt install -y python3 python3-dev python3-pip tor
+
+#Add Onionr source
+COPY . /root
+VOLUME /root/data
+
+WORKDIR /root
+
+RUN pip3 install -r requirements.txt
+
+#Set upstart command
+#CMD (! ${ENABLE_TOR} || tor&) && python zeronet.py --ui_ip 0.0.0.0 --fileserver_port 26552
+CMD bash
+
+#Expose ports
+EXPOSE 8080

onionr/onionr.py

@@ -135,18 +135,19 @@ class Onionr:
             self.onionrCore.createAddressDB()
 
         # Get configuration
+        if type(config.get('client.hmac')) is type(None):
+            config.set('client.hmac', base64.b16encode(os.urandom(32)).decode('utf-8'), savefile=True)
+        if type(config.get('client.port')) is type(None):
+            #while True:
+            randomPort = random.randint(1024, 65535)
+            #    if self.onionrUtils.checkPort(randomPort):
+            #        break
+            config.set('client.port', randomPort, savefile=True)
+        if type(config.get('client.participate')) is type(None):
+            config.set('client.participate', True, savefile=True)
+        if type(config.get('client.api_version')) is type(None):
+            config.set('client.api_version', API_VERSION, savefile=True)
     
-        if not data_exists:
-            # Generate default config
-            # Hostname should only be set if different from 127.x.x.x. Important for DNS rebinding attack prevention.
-            if self.debug:
-                randomPort = 8080
-            else:
-                while True:
-                    randomPort = random.randint(1024, 65535)
-                    if self.onionrUtils.checkPort(randomPort):
-                        break
-            config.set('client', {'participate': True, 'hmac': base64.b16encode(os.urandom(32)).decode('utf-8'), 'port': randomPort, 'api_version': API_VERSION}, True)
 
         self.cmds = {
             '': self.showHelpSuggestion,