missing_pkexec error converted to "auto" error.

idea is that we define user messages in the exceptions,
and queue them during (conductor) checks.

user facing dialogs get constucted from exception attrs.
if critical, log as such and exit.

3 files changed, 67 insertions, 51 deletions

diff --git a/src/leap/eip/eipconnection.py b/src/leap/eip/eipconnection.py
index 3a6f4d49..e090f9a7 100644
--- a/src/leap/eip/eipconnection.py
+++ b/src/leap/eip/eipconnection.py
@@ -3,6 +3,7 @@ EIP Connection Class
 """
 from __future__ import (absolute_import,)
 import logging
+import Queue
 
 from leap.eip.checks import EIPConfigChecker
 from leap.eip import exceptions as eip_exceptions
@@ -23,8 +24,8 @@ class EIPConnection(OpenVPNConnection):
         self.settingsfile = kwargs.get('settingsfile', None)
         self.logfile = kwargs.get('logfile', None)
 
-        # not used atm. but should.
-        self.error_queue = []
+        # XXX USE THIS
+        self.error_queue = Queue.Queue()
 
         status_signals = kwargs.pop('status_signals', None)
         self.status = EIPConnectionStatus(callbacks=status_signals)
@@ -36,7 +37,12 @@ class EIPConnection(OpenVPNConnection):
         """
         run all eip checks previous to attempting a connection
         """
-        self.config_checker.run_all(skip_download=skip_download)
+        logger.debug('running conductor checks')
+        try:
+            self.config_checker.run_all(skip_download=skip_download)
+            self.run_openvpn_checks()
+        except Exception as exc:
+            self.error_queue.put(exc)
 
     def connect(self):
         """
@@ -44,7 +50,6 @@ class EIPConnection(OpenVPNConnection):
         """
         self.forget_errors()
         self._try_connection()
-        # XXX should capture errors?
 
     def disconnect(self):
         """
@@ -65,11 +70,11 @@ class EIPConnection(OpenVPNConnection):
         """
         return self.status.current
 
-    def desired_connection_state(self):
-        """
-        returns the desired_connection state
-        """
-        return self.desired_con_state
+    #def desired_connection_state(self):
+        #"""
+        #returns the desired_connection state
+        #"""
+        #return self.desired_con_state
 
     def poll_connection_state(self):
         """
@@ -107,26 +112,27 @@ class EIPConnection(OpenVPNConnection):
         private method for disconnecting
         """
         if self.subp is not None:
+            logger.debug('disconnecting...')
             self.subp.terminate()
             self.subp = None
-        # XXX signal state changes! :)
 
-    def _is_alive(self):
-        """
-        don't know yet
-        """
-        pass
+    #def _is_alive(self):
+        #"""
+        #don't know yet
+        #"""
+        #pass
 
     def _connect(self):
         """
         entry point for connection cascade methods.
         """
-        #conn_result = ConState.DISCONNECTED
         try:
             conn_result = self._try_connection()
         except eip_exceptions.UnrecoverableError as except_msg:
             logger.error("FATAL: %s" % unicode(except_msg))
             conn_result = self.status.UNRECOVERABLE
+
+        # XXX enqueue exceptions themselves instead?
         except Exception as except_msg:
             self.error_queue.append(except_msg)
             logger.error("Failed Connection: %s" %
diff --git a/src/leap/eip/exceptions.py b/src/leap/eip/exceptions.py
index 19a0e707..a30cd2a6 100644
--- a/src/leap/eip/exceptions.py
+++ b/src/leap/eip/exceptions.py
@@ -1,68 +1,72 @@
-class EIPNoCommandError(Exception):
-    pass
-
-
-class ConnectionError(Exception):
-    """
-    generic connection error
-    """
-    pass
-
-
 class EIPClientError(Exception):
     """
     base EIPClient exception
     """
-    def __str__(self):
-        if len(self.args) >= 1:
-            return repr(self.args[0])
-        else:
-            return ConnectionError
+    # Should inherit from LeapException
+    # and move basic attrs there
+    critical = False
+
+    #def __str__(self):
+        #if len(self.args) >= 1:
+            #return repr(self.args[0])
+        #else:
+            #return ConnectionError
 
 
-class UnrecoverableError(EIPClientError):
+class CriticalError(EIPClientError):
     """
     we cannot do anything about it, sorry
     """
-    # XXX we should catch this and raise
-    # to qtland, so we emit signal
-    # to translate whatever kind of error
-    # to user-friendly msg in dialog.
-    pass
+    critical = True
 
 
-class MissingSocketError(Exception):
+class EIPNoPolkitAuthAgentAvailable(CriticalError):
+    message = "No polkit authentication agent could be found"
+    usermessage = ("We could not find any authentication "
+                   "agent in your system.<br/>"
+                   "Make sure you have "
+                   "<b>polkit-gnome-authentication-agent-1</b> "
+                   "running and try again.")
+
+# Errors needing some work
+
+
+class EIPNoPkexecAvailable(Exception):
     pass
 
 
-class ConnectionRefusedError(Exception):
+class EIPInitNoProviderError(Exception):
     pass
 
 
-class EIPNoPkexecAvailable(Exception):
+class EIPInitBadProviderError(Exception):
     pass
 
 
-class EIPNoPolkitAuthAgentAvailable(Exception):
+class EIPInitNoKeyFileError(Exception):
     pass
 
 
-class EIPInitNoProviderError(Exception):
+class EIPInitBadKeyFilePermError(Exception):
     pass
 
 
-class EIPInitBadProviderError(Exception):
+class EIPNoCommandError(Exception):
     pass
 
+# Errors that probably we don't need anymore
 
-class EIPInitNoKeyFileError(Exception):
+
+class MissingSocketError(Exception):
     pass
 
 
-class EIPInitBadKeyFilePermError(Exception):
+class ConnectionRefusedError(Exception):
     pass
 
 
+
+
 class EIPMissingDefaultProvider(Exception):
     pass
 
diff --git a/src/leap/eip/openvpnconnection.py b/src/leap/eip/openvpnconnection.py
index 48252e10..4a6a495a 100644
--- a/src/leap/eip/openvpnconnection.py
+++ b/src/leap/eip/openvpnconnection.py
@@ -22,7 +22,6 @@ class OpenVPNConnection(Connection):
     All related to invocation
     of the openvpn binary
     """
-    # Connection Methods
 
     def __init__(self, config_file=None,
                  watcher_cb=None,
@@ -45,7 +44,6 @@ to be triggered for each one of them.
         """
         logger.debug('init openvpn connection')
         self.debug = debug
-        #print('conductor:%s' % debug)
 
         self.config_file = config_file
         self.watcher_cb = watcher_cb
@@ -58,15 +56,18 @@ to be triggered for each one of them.
         self.port = None
         self.proto = None
 
+        ##################################
         # XXX move all error messages
         # into a more encapsulated object.
         self.missing_pkexec = False
         self.missing_auth_agent = False
+
         self.bad_keyfile_perms = False
         self.missing_vpn_keyfile = False
         self.missing_provider = False
         self.missing_definition = False
         self.bad_provider = False
+        #################################
 
         #XXX workaround for signaling
         #the ui that we don't know how to
@@ -78,9 +79,6 @@ to be triggered for each one of them.
 
         # XXX get autostart from config
         self.autostart = True
-        #self._get_or_create_config()
-        self._set_ovpn_command()
-        self._check_vpn_keys()
 
         #
         # management init methods
@@ -96,6 +94,11 @@ to be triggered for each one of them.
         self.port = port
         self.password = password
 
+    def run_openvpn_checks(self):
+        logger.debug('running openvpn checks')
+        self._set_ovpn_command()
+        self._check_vpn_keys()
+
     def _set_ovpn_command(self):
         # XXX check also for command-line --command flag
         try:
@@ -103,10 +106,13 @@ to be triggered for each one of them.
                 debug=self.debug)
         except eip_exceptions.EIPNoPolkitAuthAgentAvailable:
             command = args = None
+            # XXX deprecate
             self.missing_auth_agent = True
+            raise
         except eip_exceptions.EIPNoPkexecAvailable:
             command = args = None
             self.missing_pkexec = True
+            raise
 
         # XXX if not command, signal error.
         self.command = command