proxy: ensure proxy cert download sets content length

proxy options: 'use_default_coll' must specify exact default coll
(otherwise a random coll is chosen, as ordering is not defined)
travis: add py3.4, py3.5!

.travis.yml

@@ -3,6 +3,9 @@ language: python
 python:
   - "2.6"
   - "2.7"
+  - "3.3"
+  - "3.4"
+  - "3.5"
 
 os:
   - linux

pywb/framework/proxy.py

@@ -441,9 +441,11 @@ class ProxyRouter(object):
                 buff = fh.read()
 
             content_type = 'application/x-x509-ca-cert'
+            headers = [('Content-Length', str(len(buff)))]
 
             return WbResponse.bin_stream([buff],
-                                         content_type=content_type)
+                                         content_type=content_type,
+                                         headers=headers)
 
         elif env['pywb.proxy_req_uri'] == self.CERT_DL_P12:
             if not self.ca:
@@ -452,6 +454,8 @@ class ProxyRouter(object):
             buff = self.ca.get_root_PKCS12()
 
             content_type = 'application/x-pkcs12'
+            headers = [('Content-Length', str(len(buff)))]
 
             return WbResponse.bin_stream([buff],
-                                         content_type=content_type)
+                                         content_type=content_type,
+                                         headers=headers)

pywb/framework/proxy_resolvers.py

@@ -21,7 +21,7 @@ import json
 class BaseCollResolver(object):
     def __init__(self, routes, config):
         self.routes = routes
-        self.use_default_coll = config.get('use_default_coll', True)
+        self.use_default_coll = config.get('use_default_coll')
 
     @property
     def pre_connect(self):
@@ -58,9 +58,10 @@ class BaseCollResolver(object):
 
         # if 'use_default_coll', find first WbUrl-handling collection
         elif self.use_default_coll:
-            for route in self.routes:
+            raise Exception('use_default_coll: true no longer supported, please specify collection name')
-                if isinstance(route.handler, WbUrlHandler):
+            #for route in self.routes:
-                    return route, route.path, matcher, ts, None
+            #    if isinstance(route.handler, WbUrlHandler):
+            #        return route, route.path, matcher, ts, None
 
         # otherwise, return the appropriate coll selection response
         else:

tests/test_config.yaml

@@ -114,7 +114,7 @@ enable_http_proxy: true
 
 # Additional proxy options (defaults)
 proxy_options:
-    use_default_coll: true
+    use_default_coll: pywb
 
     cookie_resolver: false
 

tests/test_config_memento.yaml

@@ -22,6 +22,7 @@ enable_http_proxy: true
 proxy_options:
     use_banner: false
     use_client_rewrite: false
+    use_default_coll: pywb
 
 # enable cdx server api for timemap
 enable_cdx_api: true