routing/proxy: pass in hostpaths to proxy routing

add PYWB_HOST_NAME env var to allow overriding default hostname
add request_hostname jinja filter

pywb/core/pywb_init.py

@@ -19,7 +19,6 @@ from handlers import DebugEchoHandler, DebugEchoEnvHandler
 
 
 import os
-import yaml
 import logging
 
 
@@ -115,7 +114,12 @@ def create_wb_router(passed_config = {}):
 
     routes = []
 
-    hostpaths = config.get('hostpaths')
+    # TODO: examine this more
+    hostname = os.environ.get('PYWB_HOST_NAME')
+    if hostname:
+        hostpaths = [hostname]
+    else:
+        hostpaths = config.get('hostpaths')
 
     port = config.get('port')
 

pywb/core/views.py

@@ -39,6 +39,7 @@ class J2TemplateView:
         jinja_env = Environment(loader = loader, trim_blocks = True)
         jinja_env.filters['format_ts'] = J2TemplateView.format_ts
         jinja_env.filters['host'] = J2TemplateView.get_host
+        jinja_env.filters['request_hostname'] = J2TemplateView.request_hostname
         return jinja_env
 
     def render_to_string(self, **kwargs):
@@ -65,6 +66,10 @@ class J2TemplateView:
         return urlparse.urlsplit(url).netloc
 
 
+    @staticmethod
+    def request_hostname(env):
+        return env.get('HTTP_HOST', 'localhost')
+
 
 # cdx index view
 

pywb/framework/archivalrouter.py

@@ -37,16 +37,16 @@ class ArchivalRouter(object):
             if result:
                 return result
 
-        # Home Page
+        # Default Home Page
         if env['REL_REQUEST_URI'] in ['/', '/index.html', '/index.htm']:
-            return self.render_home_page()
+            return self.render_home_page(env)
 
         return self.fallback(env, self.routes) if self.fallback else None
 
-    def render_home_page(self):
+    def render_home_page(self, env):
         # render the homepage!
         if self.home_view:
-            return self.home_view.render_response(routes=self.routes)
+            return self.home_view.render_response(env=env, routes=self.routes)
         else:
             # default home page template
             text = '\n'.join(map(str, self.routes))

pywb/framework/proxy.py

@@ -62,7 +62,7 @@ class ProxyRouter:
                               request_uri=url,
                               wb_url_str=url,
                               #rel_prefix=url,
-                              #host_prefix=self.hostpaths[0],
+                              host_prefix=self.hostpaths[0],
                               wburl_class=self.handler.get_wburl_type(),
                               urlrewriter_class=ProxyHttpsUrlRewriter,
                               use_abs_prefix=False,