File 1379-inets-Use-relative-redirects-in-mod_alias.... of Package erlang

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File 1379-inets-Use-relative-redirects-in-mod_alias.patch of Package erlang (Revision 44e4c85c443d6ffa7f431d0afb733176)

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From b813bc0b09b44d9b5ada70f153904c435c4b4aa1 Mon Sep 17 00:00:00 2001
From: Johannes Christ <jc@jchri.st>
Date: Sat, 23 Sep 2023 15:37:20 +0200
Subject: [PATCH] inets: Use relative redirects in mod_alias

Use a relative redirect with an absolute path to prevent whoever is
running inets from having to configure the `ServerName` to match the
network-reachable hostname of the server.

Fixes #7617.
---
 lib/inets/src/http_server/mod_alias.erl | 25 +------------------------
 1 file changed, 1 insertion(+), 24 deletions(-)

diff --git a/lib/inets/src/http_server/mod_alias.erl b/lib/inets/src/http_server/mod_alias.erl
index b310a7c909..f82fa877a0 100644
--- a/lib/inets/src/http_server/mod_alias.erl
+++ b/lib/inets/src/http_server/mod_alias.erl
@@ -54,7 +54,6 @@ do(#mod{data = Data} = Info) ->
 
 do_alias(#mod{config_db   = ConfigDB, 
 	      request_uri = ReqURI,
-	      socket_type = SocketType,
 	      data        = Data}) ->
     {ShortPath, Path, AfterPath} = 
 	real_name(ConfigDB, ReqURI, which_alias(ConfigDB)),
@@ -63,12 +62,8 @@ do_alias(#mod{config_db   = ConfigDB,
     case file:read_file_info(ShortPath) of 
 	{ok, FileInfo} when ((FileInfo#file_info.type =:= directory) andalso 
 			     (LastChar =/= $/)) ->
-	    ServerName = which_server_name(ConfigDB), 
-	    Port = port_string(which_port(ConfigDB)),
-	    Protocol = get_protocol(SocketType),
             {ReqPath, ReqQuery} = httpd_util:split_path(ReqURI),
-            URL = Protocol ++ ServerName ++ Port ++ ReqPath ++ "/" ++
-                ["?" ++ ReqQuery || [] /= ReqQuery],
+            URL = ReqPath ++ "/" ++ ["?" ++ ReqQuery || [] /= ReqQuery],
 	    ReasonPhrase = httpd_util:reason_phrase(301),
 	    Message = httpd_util:message(301, URL, ConfigDB),
 	    {proceed,
@@ -86,17 +81,6 @@ do_alias(#mod{config_db   = ConfigDB,
 	    {proceed, [{real_name, {Path, AfterPath}} | Data]}
     end.
 
-port_string(80) ->
-    "";
-port_string(Port) ->
-    ":" ++ integer_to_list(Port).
-
-get_protocol(ip_comm) ->
-    "http://";
-get_protocol(_) ->
-    %% Should clean up to have only one ssl type essl vs ssl is not relevant any more
-    "https://".
-
 %% real_name
 
 real_name(ConfigDB, RequestURI, []) ->
@@ -282,12 +266,6 @@ is_directory_index_list(_) ->
 which_alias(ConfigDB) ->
     httpd_util:multi_lookup(ConfigDB, alias). 
 
-which_server_name(ConfigDB) ->
-    httpd_util:lookup(ConfigDB, server_name).
-
-which_port(ConfigDB) ->
-    httpd_util:lookup(ConfigDB, port, 80). 
-
 which_document_root(ConfigDB) ->
     Root = httpd_util:lookup(ConfigDB, document_root, ""),
     case string:tokens(Root, ":") of 
-- 
2.35.3

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File 1379-inets-Use-relative-redirects-in-mod_alias.patch of Package erlang (Revision 44e4c85c443d6ffa7f431d0afb733176)

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