diff --git a/src/oncall/auth/__init__.py b/src/oncall/auth/__init__.py
index a05746d..4c5cc9c 100644
--- a/src/oncall/auth/__init__.py
+++ b/src/oncall/auth/__init__.py
@@ -124,7 +124,7 @@ def check_calendar_auth_by_id(team_id, req):
 
 def is_client_digest_valid(client_digest, api_key, window, method, path, body):
     text = '%s %s %s %s' % (window, method, path, body)
-    HMAC = hmac.new(api_key, text, hashlib.sha512)
+    HMAC = hmac.new(api_key, text.encode('utf-8'), hashlib.sha512)
     digest = base64.urlsafe_b64encode(HMAC.digest())
     if equals(client_digest, digest):
         return True
@@ -139,7 +139,7 @@ def authenticate_application(auth_token, req):
     qs = req.env['QUERY_STRING']
     if qs:
         path = path + '?' + qs
-    body = req.context['body']
+    body = req.context['body'].decode('utf-8')
     try:
         app_name, client_digest = auth_token[5:].split(':', 1)
         if app_name not in app_key_cache:
@@ -154,7 +154,7 @@ def authenticate_application(auth_token, req):
                 cursor.close()
                 connection.close()
                 raise HTTPUnauthorized('Authentication failure', 'Application not found', '')
-        api_key = str(app_key_cache[app_name])
+        api_key = app_key_cache[app_name].encode('utf-8')
         window = int(time.time()) // 5
         if is_client_digest_valid(client_digest, api_key, window, method, path, body):
             req.context['app'] = app_name
diff --git a/src/oncall/notifier/reminder.py b/src/oncall/notifier/reminder.py
index 66d0ae5..cf1c41a 100644
--- a/src/oncall/notifier/reminder.py
+++ b/src/oncall/notifier/reminder.py
@@ -71,7 +71,7 @@ def reminder(config):
             JOIN `team` ON `event`.`team_id` = `team`.`id`
             JOIN `role` ON `event`.`role_id` = `role`.`id`
             LEFT JOIN `event` AS `e` ON `event`.`link_id` = `e`.`link_id` AND `e`.`start` < `event`.`start`
-            WHERE `e`.`id` IS NULL
+            WHERE `e`.`id` IS NULL AND `user`.`active` = 1
     '''
 
     while(1):
diff --git a/test/test_auth.py b/test/test_auth.py
new file mode 100644
index 0000000..ca61869
--- /dev/null
+++ b/test/test_auth.py
@@ -0,0 +1,61 @@
+from oncall.auth import login_required
+from oncall.app import ReqBodyMiddleware
+import falcon
+import falcon.testing
+import time
+import hmac
+import hashlib
+import base64
+
+
+class DummyAPI(object):
+
+    @login_required
+    def on_get(self, req, resp):
+        resp.content = 'GOOD'
+
+    @login_required
+    def on_post(self, req, resp):
+        resp.status = falcon.HTTP_201
+
+
+def test_application_auth(mocker):
+    # Mock DB to get 'abc' as the dummy app key
+    connect = mocker.MagicMock(name='dummyDB')
+    cursor = mocker.MagicMock(name='dummyCursor', rowcount=1)
+    cursor.fetchone.return_value = ['abc']
+    connect.cursor.return_value = cursor
+    db = mocker.MagicMock()
+    db.connect.return_value = connect
+    mocker.patch('oncall.auth.db', db)
+
+    # Set up dummy API for auth testing
+    api = falcon.API(middleware=[ReqBodyMiddleware()])
+    api.add_route('/dummy_path', DummyAPI())
+
+    # Test bad auth
+    client = falcon.testing.TestClient(api)
+    re = client.simulate_get('/dummy_path', headers={'AUTHORIZATION': 'hmac dummy:abc'})
+    assert re.status_code == 401
+    re = client.simulate_post('/dummy_path', json={'example': 'test'}, headers={'AUTHORIZATION': 'hmac dummy:abc'})
+    assert re.status_code == 401
+
+    # Test good auth for GET request
+    window = int(time.time()) // 5
+    text = '%s %s %s %s' % (window, 'GET', '/dummy_path?abc=123', '')
+    HMAC = hmac.new(b'abc', text.encode('utf-8'), hashlib.sha512)
+    digest = base64.urlsafe_b64encode(HMAC.digest()).decode('utf-8')
+    auth = 'hmac dummy:%s' % digest
+
+    re = client.simulate_get('/dummy_path', params={'abc': 123}, headers={'AUTHORIZATION': auth})
+    assert re.status_code == 200
+
+    window = int(time.time()) // 5
+    body = '{"example": "test"}'
+    text = '%s %s %s %s' % (window, 'POST', '/dummy_path', body)
+    HMAC = hmac.new(b'abc', text.encode('utf-8'), hashlib.sha512)
+    digest = base64.urlsafe_b64encode(HMAC.digest()).decode('utf-8')
+    auth = 'hmac dummy:%s' % digest
+
+    re = client.simulate_post('/dummy_path', body=body, headers={'AUTHORIZATION': auth})
+    assert re.status_code == 201
\ No newline at end of file