From 3a90c55b82034cada54613c46b5fc491085180a9 Mon Sep 17 00:00:00 2001
From: Kali Kaneko <kali@leap.se>
Date: Fri, 20 Nov 2015 01:16:32 -0400
Subject: service hooks [WIP]

---
 bonafide/src/leap/bonafide/bonafide_cli2  | 10 ++++++-
 bonafide/src/leap/bonafide/zmq.tac        |  8 ++++++
 bonafide/src/leap/bonafide/zmq_service.py | 48 +++++++++++++++++++++++++++----
 3 files changed, 59 insertions(+), 7 deletions(-)

diff --git a/bonafide/src/leap/bonafide/bonafide_cli2 b/bonafide/src/leap/bonafide/bonafide_cli2
index 18506d9..bf05a99 100755
--- a/bonafide/src/leap/bonafide/bonafide_cli2
+++ b/bonafide/src/leap/bonafide/bonafide_cli2
@@ -47,6 +47,11 @@ parser.add_argument("--username", dest="username",
                     help="user to operate with")
 parser.add_argument("--shutdown", dest="do_shutdown", action="store_true",
                     help="shutdown the bonafide service.")
+
+# XXX DEBUG --------------------------------------------------------
+parser.add_argument("--debug", dest="do_debug", action="store_true",
+                    help="debug command, can be anything")
+# ------------------------------------------------------------------
 ns = parser.parse_args()
 
 
@@ -97,11 +102,14 @@ def send_command():
         passwd = getpass.getpass()
         data = ("logout", ns.username, passwd)
 
+    elif ns.do_debug:
+        data = ("get_soledad",)
+
     s = get_zmq_connection()
     try:
         d = s.sendMsg(*data)
     except zmq.error.Again:
-        print Fore.RED + "[ERROR] Server is down :(" + Fore.RESET
+        print Fore.RED + "[ERROR] Server is down" + Fore.RESET
     d.addCallback(cb)
     d.addCallback(lambda x: reactor.stop())
 
diff --git a/bonafide/src/leap/bonafide/zmq.tac b/bonafide/src/leap/bonafide/zmq.tac
index d3a9625..f429ff5 100644
--- a/bonafide/src/leap/bonafide/zmq.tac
+++ b/bonafide/src/leap/bonafide/zmq.tac
@@ -1,10 +1,18 @@
 # Run as: twistd -n -y zmq.tac
 from twisted.application import service
 from leap.bonafide.zmq_service import BonafideZMQService
+from leap.bonafide.soledad_service import SoledadService
 
 top_service = service.MultiService()
 bonafide_zmq_service = BonafideZMQService()
 bonafide_zmq_service.setServiceParent(top_service)
 
+# XXX DEBUG -------------------------------------
+# This SHOULD BE moved to BITMASK-CORE.
+soledad_service = SoledadService()
+soledad_service.setName("soledad")
+soledad_service.setServiceParent(top_service)
+#------------------------------------------------
+
 application = service.Application("bonafide")
 top_service.setServiceParent(application)
diff --git a/bonafide/src/leap/bonafide/zmq_service.py b/bonafide/src/leap/bonafide/zmq_service.py
index 38c0305..59ef47b 100644
--- a/bonafide/src/leap/bonafide/zmq_service.py
+++ b/bonafide/src/leap/bonafide/zmq_service.py
@@ -37,26 +37,44 @@ class BonafideZMQService(service.Service):
         self._bonafide = BonafideProtocol()
         self._conn = None
 
+        self.service_hooks = {}
+
     def startService(self):
         zf = ZmqFactory()
         e = ZmqEndpoint("bind", config.ENDPOINT)
 
-        self._conn = _BonafideZmqREPConnection(zf, e, self._bonafide)
+        self._conn = _BonafideZmqREPConnection(zf, e, self._bonafide, self)
         reactor.callWhenRunning(self._conn.do_greet)
 
-    #def stopService(self):
-    #    pass
+    def register_hook(self, kind, service):
+        print "REGISTERING HOOK", kind, service
+        self.service_hooks[kind] = service
+
+
+    # def stopService(self):
+    #     pass
 
 
 
 class _BonafideZmqREPConnection(ZmqREPConnection):
 
-    def __init__(self, zf, e, bonafide):
+    def __init__(self, zf, e, bonafide, service):
+        # XXX passing a ref to the service,
+        # to be able to access sibling services
         ZmqREPConnection.__init__(self, zf, e)
         self._bonafide = bonafide
+        self._service = service
+
+    def get_sibling_service(self, kind):
+        return self._service.parent.getServiceNamed(kind)
+
+    def get_hooked_service(self, kind):
+        hooks = self._service.service_hooks
+        if kind in hooks:
+            return self.get_sibling_service(hooks[kind])
 
     def do_greet(self):
-        print "Bonafide service running..."
+        print "Starging Bonafide service"
 
     def do_bye(self):
         print "Bonafide service stopped. Have a nice day."
@@ -72,11 +90,13 @@ class _BonafideZmqREPConnection(ZmqREPConnection):
 
         cmd = parts[0]
 
+        # TODO split using dispatcher pattern
+
         if cmd == "shutdown":
             defer_reply('ok, shutting down')
             reactor.callLater(1, self.do_bye)
 
-        if cmd not in COMMANDS:
+        if cmd not in COMMANDS + ("get_soledad",):
             response = 'INVALID COMMAND'
             defer_reply(response)
 
@@ -88,8 +108,18 @@ class _BonafideZmqREPConnection(ZmqREPConnection):
             d.addErrback(log_err)
 
         elif cmd == 'authenticate':
+
+            def activate_hook(token):
+                hook_service = self.get_hooked_service('on_auth')
+                if hook_service:
+                    hook_service.activate_hook(
+                        # TODO GET UUID TOO!!
+                        'on_auth', username=username, uuid=uuid, token=token)
+                return token
+
             username, password = parts[1], parts[2]
             d = self._bonafide.do_authenticate(username, password)
+            d.addCallback(activate_hook)
             d.addCallback(lambda response: defer_reply(
                 'TOKEN -> %s' % response))
             d.addErrback(log_err)
@@ -104,3 +134,9 @@ class _BonafideZmqREPConnection(ZmqREPConnection):
         elif cmd == 'stats':
             response = self._bonafide.do_stats()
             defer_reply(response)
+
+        # XXX DEBUG ---------------------------------------------------------
+        elif cmd == 'get_soledad':
+            response = str(self._service.parent.getServiceNamed("soledad"))
+            defer_reply(response)
+        # ------------------------------------------------------------------
-- 
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