[taler-exchange] branch master updated: -misc minor fixes

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grothoff pushed a commit to branch master
in repository exchange.

The following commit(s) were added to refs/heads/master by this push:
     new 1db17d43 -misc minor fixes
1db17d43 is described below

commit 1db17d43bd9256ec86508bf9e282263e35fd9e01
Author: Christian Grothoff <christian@grothoff.org>
AuthorDate: Wed Jul 5 13:13:16 2023 +0200

    -misc minor fixes
---
 src/exchange/taler-exchange-httpd_keys.c   |  8 +++++---
 src/lib/exchange_api_handle.c              | 21 +++++++++++++++++++++
 src/testing/testing_api_cmd_run_fakebank.c |  2 ++
 3 files changed, 28 insertions(+), 3 deletions(-)

diff --git a/src/exchange/taler-exchange-httpd_keys.c 
b/src/exchange/taler-exchange-httpd_keys.c
index e53f2732..8b9e54b4 100644
--- a/src/exchange/taler-exchange-httpd_keys.c
+++ b/src/exchange/taler-exchange-httpd_keys.c
@@ -1,6 +1,6 @@
 /*
    This file is part of TALER
-   Copyright (C) 2020-2022 Taler Systems SA
+   Copyright (C) 2020-2023 Taler Systems SA
 
    TALER is free software; you can redistribute it and/or modify it under the
    terms of the GNU Affero General Public License as published by the Free 
Software
@@ -1701,8 +1701,10 @@ setup_general_response_headers (struct 
TEH_KeyStateHandle *ksh,
     TALER_MHD_get_date_string (m.abs_time,
                                dat);
     GNUNET_log (GNUNET_ERROR_TYPE_INFO,
-                "Setting /keys 'Expires' header to '%s'\n",
-                dat);
+                "Setting /keys 'Expires' header to '%s' (rekey frequency is 
%s)\n",
+                dat,
+                GNUNET_TIME_relative2s (ksh->rekey_frequency,
+                                        false));
     GNUNET_break (MHD_YES ==
                   MHD_add_response_header (response,
                                            MHD_HTTP_HEADER_EXPIRES,
diff --git a/src/lib/exchange_api_handle.c b/src/lib/exchange_api_handle.c
index 0ea7e642..40ae390f 100644
--- a/src/lib/exchange_api_handle.c
+++ b/src/lib/exchange_api_handle.c
@@ -69,6 +69,13 @@
  */
 #define DEFAULT_EXPIRATION GNUNET_TIME_UNIT_HOURS
 
+/**
+ * If the "Expire" cache control header is missing, for
+ * how long do we assume the reply to be valid at least?
+ */
+#define MINIMUM_EXPIRATION GNUNET_TIME_relative_multiply ( \
+    GNUNET_TIME_UNIT_MINUTES, 2)
+
 
 /**
  * Handle for a GET /keys request.
@@ -1109,6 +1116,20 @@ keys_completed_cb (void *cls,
       break;
     }
     kd->rc = 1;
+    kd->key_data_expiration = gkh->expire;
+    if (GNUNET_TIME_relative_cmp (
+          GNUNET_TIME_absolute_get_remaining (gkh->expire.abs_time),
+          <,
+          MINIMUM_EXPIRATION))
+    {
+      GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+                  "Exchange returned keys with expiration time below %s. 
Compensating.\n",
+                  GNUNET_TIME_relative2s (MINIMUM_EXPIRATION,
+                                          true));
+      kd->key_data_expiration
+        = GNUNET_TIME_relative_to_timestamp (MINIMUM_EXPIRATION);
+    }
+
     kresp.details.ok.keys = kd;
     break;
   case MHD_HTTP_BAD_REQUEST:
diff --git a/src/testing/testing_api_cmd_run_fakebank.c 
b/src/testing/testing_api_cmd_run_fakebank.c
index f9a6b9b6..03b36763 100644
--- a/src/testing/testing_api_cmd_run_fakebank.c
+++ b/src/testing/testing_api_cmd_run_fakebank.c
@@ -110,6 +110,7 @@ run_fakebank_cleanup (void *cls,
   }
   GNUNET_free (rfs->ba.wire_gateway_url);
   GNUNET_free (rfs->bank_url);
+  GNUNET_free (rfs->currency);
   GNUNET_free (rfs);
 }
 
@@ -195,6 +196,7 @@ TALER_TESTING_cmd_run_fakebank (
                      exchange_xtalerbank_account);
     GNUNET_free (exchange_xtalerbank_account);
   }
+  GNUNET_free (exchange_payto_uri);
   rfs->ba.method = TALER_BANK_AUTH_NONE;
   {
     struct TALER_TESTING_Command cmd = {

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