From fcb94d7ab5660fb047507c7565f04759611272e1 Mon Sep 17 00:00:00 2001
From: Stef Walter <stef@memberwebs.com>
Date: Fri, 12 Feb 2010 19:53:15 +0000
Subject: Handle logout path ourselves, if it doesn't exist.

---
 module/mod_auth_singleid.c | 46 ++++++++++++++++++++++++++++++++++++++--------
 1 file changed, 38 insertions(+), 8 deletions(-)

diff --git a/module/mod_auth_singleid.c b/module/mod_auth_singleid.c
index e9e6a0a..4520009 100644
--- a/module/mod_auth_singleid.c
+++ b/module/mod_auth_singleid.c
@@ -1195,16 +1195,10 @@ hook_authenticate (request_rec* r)
 	    compare_paths ("/robots.txt", r->uri) == 0)
 		return OK;
 
-	/* Should we logout? */
+	/* The logout path is not authenticated.*/
 	if (compare_paths (ctx->logout_path, r->uri) == 0) {
 		session_send_clear (ctx, r);
-		if (ctx->logout_dest) {
-			sid_request_respond_headers (&req, 302, "Found",
-			                             "Location", ctx->logout_dest,
-			                             "Cache-Control", "no-cache",
-			                             NULL);
-		}
-		return req.result;
+		return OK;
 	}
 
 	mainreq = r;
@@ -1261,6 +1255,41 @@ hook_authenticate (request_rec* r)
 	return req.result;
 }
 
+static int
+hook_handler (request_rec *r)
+{
+	sid_request_t req;
+	sid_context_t *ctx;
+	const char* authtype;
+
+	/* Make sure it's for us */
+	if (!(authtype = ap_auth_type (r)) || strcasecmp (SID_AUTHTYPE, authtype) != 0)
+		return DECLINED;
+
+	ctx = (sid_context_t*)ap_get_module_config (r->per_dir_config, &auth_singleid_module);
+	if (ctx->identifier == NULL)
+		return DECLINED;
+
+	/* Handle the logout redirect properly.*/
+	if (compare_paths (ctx->logout_path, r->uri) == 0) {
+		if (ctx->logout_dest) {
+
+			req.result = OK;
+			req.rec = r;
+			req.sess = NULL;
+			req.output = NULL;
+
+			sid_request_respond_headers (&req, 302, "Found",
+			                             "Location", ctx->logout_dest,
+			                             "Cache-Control", "no-cache",
+			                             NULL);
+			return req.result;
+		}
+	}
+
+	return DECLINED;
+}
+
 static int
 hook_access(request_rec *r)
 {
@@ -1322,6 +1351,7 @@ static void
 register_hooks(apr_pool_t *p)
 {
 	ap_hook_post_config (hook_initialize, NULL, NULL, APR_HOOK_MIDDLE);
+	ap_hook_handler (hook_handler, NULL, NULL, APR_HOOK_FIRST);
 	ap_hook_child_init (hook_child, NULL, NULL, APR_HOOK_MIDDLE);
 	ap_hook_check_user_id (hook_authenticate, NULL, NULL, APR_HOOK_MIDDLE);
 	ap_hook_auth_checker (hook_access, NULL, NULL, APR_HOOK_MIDDLE);
-- 
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