From: Eric Wong <normalperson@yhbt.net>
To: unicorn list <mongrel-unicorn@rubyforge.org>
Subject: Re: X-Forwarded-Proto / X_FORWARDED_PROTO
Date: Sat, 9 Jan 2010 22:32:18 -0800 [thread overview]
Message-ID: <20100110063218.GA3102@dcvr.yhbt.net> (raw)
In-Reply-To: <20100110061209.GA1685@dcvr.yhbt.net>
Eric Wong <normalperson@yhbt.net> wrote:
> Iñaki Baz Castillo <ibc@aliax.net> wrote:
> > In your case it seems valid for me (just an opinnion) as
> > "HTTP_X_FORWARDED_PROTO: http,https" could mean that the request has been sent
> > using HTTPS and an intermediary proxy has forwarded it using HTTP. Of course
> > the final destination (Unicorn application) must be ready to support such
> > syntax.
>
> Is it safe to say that if there's an "https" *anywhere* in the
> X-Forwarded-Proto chain, that "rack.url_scheme" should be set to
> "https"? Because I suppose most of the time there's only one
> (client-facing) proxy using https.
Maybe this will work...
diff --git a/ext/unicorn_http/global_variables.h b/ext/unicorn_http/global_variables.h
index e593cf6..6705851 100644
--- a/ext/unicorn_http/global_variables.h
+++ b/ext/unicorn_http/global_variables.h
@@ -74,7 +74,6 @@ void init_globals(void)
DEF_GLOBAL(server_name, "SERVER_NAME");
DEF_GLOBAL(server_port, "SERVER_PORT");
DEF_GLOBAL(server_protocol, "SERVER_PROTOCOL");
- DEF_GLOBAL(http_x_forwarded_proto, "HTTP_X_FORWARDED_PROTO");
DEF_GLOBAL(port_80, "80");
DEF_GLOBAL(port_443, "443");
DEF_GLOBAL(localhost, "localhost");
diff --git a/ext/unicorn_http/unicorn_http.rl b/ext/unicorn_http/unicorn_http.rl
index 6232e2c..f3945b2 100644
--- a/ext/unicorn_http/unicorn_http.rl
+++ b/ext/unicorn_http/unicorn_http.rl
@@ -197,6 +197,14 @@ static void write_value(VALUE req, struct http_parser *hp,
assert_frozen(f);
}
+ /*
+ * any X-Forwarded-Proto: https means there's an https server in the
+ * proxy chain, and that server is most likely the one that actually
+ * sees the client, so help Rack apps generate URLs with "https"
+ */
+ if (f == g_http_x_forwarded_proto && STR_CSTR_EQ(v, "https"))
+ rb_hash_aset(req, g_rack_url_scheme, v);
+
e = rb_hash_aref(req, f);
if (NIL_P(e)) {
hp->cont = rb_hash_aset(req, f, v);
@@ -393,12 +401,7 @@ static void finalize_header(struct http_parser *hp, VALUE req)
/* set rack.url_scheme to "https" or "http", no others are allowed by Rack */
if (NIL_P(temp)) {
- temp = rb_hash_aref(req, g_http_x_forwarded_proto);
- if (!NIL_P(temp) && STR_CSTR_EQ(temp, "https"))
- server_port = g_port_443;
- else
- temp = g_http;
- rb_hash_aset(req, g_rack_url_scheme, temp);
+ rb_hash_aset(req, g_rack_url_scheme, g_http);
} else if (STR_CSTR_EQ(temp, "https")) {
server_port = g_port_443;
} else {
@@ -712,5 +715,6 @@ void Init_unicorn_http(void)
SET_GLOBAL(g_http_transfer_encoding, "TRANSFER_ENCODING");
SET_GLOBAL(g_content_length, "CONTENT_LENGTH");
SET_GLOBAL(g_http_connection, "CONNECTION");
+ SET_GLOBAL(g_http_x_forwarded_proto, "X_FORWARDED_PROTO");
}
#undef SET_GLOBAL
--
Eric Wong
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next prev parent reply other threads:[~2010-01-10 6:37 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-01-09 22:16 X-Forwarded-Proto / X_FORWARDED_PROTO skaar
2010-01-09 22:33 ` Iñaki Baz Castillo
2010-01-09 22:39 ` Eric Wong
2010-01-09 23:29 ` skaar
2010-01-09 23:45 ` Iñaki Baz Castillo
2010-01-10 6:12 ` Eric Wong
2010-01-10 6:32 ` Eric Wong [this message]
2010-01-10 11:43 ` John-Paul Bader
2010-01-19 21:43 ` Eric Wong
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