provide full URL in more field

This is a regression against the PHP version.

Fixes #3138.

nominatim/api/v1/server_glue.py

@@ -69,6 +69,11 @@ class ASGIAdaptor(abc.ABC):
             body of the response to 'output'.
         """
 
+    @abc.abstractmethod
+    def base_uri(self) -> str:
+        """ Return the URI of the original request.
+        """
+
 
     @abc.abstractmethod
     def config(self) -> Configuration:
@@ -481,7 +486,7 @@ async def search_endpoint(api: napi.NominatimAPIAsync, params: ASGIAdaptor) -> A
                                    (str(r.place_id) for r in results if r.place_id))
         queryparts['format'] = fmt
 
-        moreurl = urlencode(queryparts)
+        moreurl = params.base_uri() + '/search?' + urlencode(queryparts)
     else:
         moreurl = ''
 

nominatim/server/falcon/server.py

@@ -67,6 +67,9 @@ class ParamWrapper(api_impl.ASGIAdaptor):
         self.response.content_type = self.content_type
 
 
+    def base_uri(self) -> str:
+        return cast (str, self.request.forwarded_prefix)
+
     def config(self) -> Configuration:
         return self._config
 

nominatim/server/starlette/server.py

@@ -50,6 +50,19 @@ class ParamWrapper(api_impl.ASGIAdaptor):
         return Response(output, status_code=status, media_type=self.content_type)
 
 
+    def base_uri(self) -> str:
+        scheme = self.request.url.scheme
+        host = self.request.url.hostname
+        port = self.request.url.port
+        root = self.request.scope['root_path']
+        if (scheme == 'http' and port == 80) or (scheme == 'https' and port == 443):
+            port = None
+        if port is not None:
+            return f"{scheme}://{host}:{port}{root}"
+
+        return f"{scheme}://{host}{root}"
+
+
     def config(self) -> Configuration:
         return cast(Configuration, self.request.app.state.API.config)
 

test/python/api/fake_adaptor.py

@@ -47,6 +47,9 @@ class FakeAdaptor(glue.ASGIAdaptor):
         return FakeResponse(status, output, self.content_type)
 
 
+    def base_uri(self) -> str:
+        return 'http://test'
+
     def config(self):
         return self._config