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authorChristian Grothoff <christian@grothoff.org>2022-05-12 13:38:47 +0200
committerChristian Grothoff <christian@grothoff.org>2022-05-12 13:38:47 +0200
commit6cf4a068ad58f22d1896d322fc96b59d1120a98c (patch)
tree458f534e790d0cc1591ecd4748433f7920569a8c
parent35b4a51e14dc08e1aa6a00d8edca5eda75c3e3de (diff)
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add 'Expires' header to ToS and PP replies
-rw-r--r--src/mhd/mhd_legal.c31
1 files changed, 30 insertions, 1 deletions
diff --git a/src/mhd/mhd_legal.c b/src/mhd/mhd_legal.c
index 2ef36957d..64c176a93 100644
--- a/src/mhd/mhd_legal.c
+++ b/src/mhd/mhd_legal.c
@@ -27,6 +27,11 @@
#include "taler_util.h"
#include "taler_mhd_lib.h"
+/**
+ * How long should browsers/proxies cache the "legal" replies?
+ */
+#define MAX_TERMS_CACHING GNUNET_TIME_UNIT_DAYS
+
/**
* Entry in the terms-of-service array.
@@ -167,7 +172,17 @@ TALER_MHD_reply_legal (struct MHD_Connection *conn,
{
struct MHD_Response *resp;
struct Terms *t;
-
+ struct GNUNET_TIME_Absolute a;
+ struct GNUNET_TIME_Timestamp m;
+ char dat[128];
+
+ a = GNUNET_TIME_relative_to_absolute (MAX_TERMS_CACHING);
+ m = GNUNET_TIME_absolute_to_timestamp (a);
+ get_date_string (m.abs_time,
+ dat);
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ "Setting 'Expires' header to '%s'\n",
+ dat);
if (NULL != legal)
{
const char *etag;
@@ -186,6 +201,15 @@ TALER_MHD_reply_legal (struct MHD_Connection *conn,
NULL,
MHD_RESPMEM_PERSISTENT);
TALER_MHD_add_global_headers (resp);
+ GNUNET_break (MHD_YES ==
+ MHD_add_response_header (resp,
+ MHD_HTTP_HEADER_EXPIRES,
+ dat));
+
+ GNUNET_break (MHD_YES ==
+ MHD_add_response_header (resp,
+ MHD_HTTP_HEADER_ETAG,
+ legal->terms_etag));
ret = MHD_queue_response (conn,
MHD_HTTP_NOT_MODIFIED,
resp);
@@ -278,6 +302,11 @@ TALER_MHD_reply_legal (struct MHD_Connection *conn,
MHD_RESPMEM_PERSISTENT);
}
TALER_MHD_add_global_headers (resp);
+ GNUNET_break (MHD_YES ==
+ MHD_add_response_header (resp,
+ MHD_HTTP_HEADER_EXPIRES,
+ dat));
+
if (NULL != legal)
GNUNET_break (MHD_YES ==
MHD_add_response_header (resp,