LCOV - code coverage report
Current view: top level - exchange - taler-exchange-httpd_management_auditors_AP_disable.c (source / functions) Hit Total Coverage
Test: GNU Taler exchange coverage report Lines: 0 44 0.0 %
Date: 2022-08-25 06:15:09 Functions: 0 2 0.0 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /*
       2             :   This file is part of TALER
       3             :   Copyright (C) 2020 Taler Systems SA
       4             : 
       5             :   TALER is free software; you can redistribute it and/or modify it under the
       6             :   terms of the GNU Affero General Public License as published by the Free Software
       7             :   Foundation; either version 3, or (at your option) any later version.
       8             : 
       9             :   TALER is distributed in the hope that it will be useful, but WITHOUT ANY
      10             :   WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
      11             :   A PARTICULAR PURPOSE.  See the GNU Affero General Public License for more details.
      12             : 
      13             :   You should have received a copy of the GNU Affero General Public License along with
      14             :   TALER; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
      15             : */
      16             : /**
      17             :  * @file taler-exchange-httpd_management_auditors_AP_disable.c
      18             :  * @brief Handle request to disable auditor.
      19             :  * @author Christian Grothoff
      20             :  */
      21             : #include "platform.h"
      22             : #include <gnunet/gnunet_util_lib.h>
      23             : #include <gnunet/gnunet_json_lib.h>
      24             : #include <jansson.h>
      25             : #include <microhttpd.h>
      26             : #include <pthread.h>
      27             : #include "taler_json_lib.h"
      28             : #include "taler_mhd_lib.h"
      29             : #include "taler-exchange-httpd_management.h"
      30             : #include "taler-exchange-httpd_responses.h"
      31             : #include "taler-exchange-httpd_keys.h"
      32             : 
      33             : 
      34             : /**
      35             :  * Closure for the #del_auditor transaction.
      36             :  */
      37             : struct DelAuditorContext
      38             : {
      39             : 
      40             :   /**
      41             :    * Auditor public key this is about.
      42             :    */
      43             :   struct TALER_AuditorPublicKeyP auditor_pub;
      44             : 
      45             :   /**
      46             :    * Auditor URL this is about.
      47             :    */
      48             :   const char *auditor_url;
      49             : 
      50             :   /**
      51             :    * Timestamp for checking against replay attacks.
      52             :    */
      53             :   struct GNUNET_TIME_Timestamp validity_end;
      54             : 
      55             : };
      56             : 
      57             : 
      58             : /**
      59             :  * Function implementing database transaction to del an auditor.  Runs the
      60             :  * transaction logic; IF it returns a non-error code, the transaction logic
      61             :  * MUST NOT queue a MHD response.  IF it returns an hard error, the
      62             :  * transaction logic MUST queue a MHD response and set @a mhd_ret.  IF it
      63             :  * returns the soft error code, the function MAY be called again to retry and
      64             :  * MUST not queue a MHD response.
      65             :  *
      66             :  * @param cls closure with a `struct DelAuditorContext`
      67             :  * @param connection MHD request which triggered the transaction
      68             :  * @param[out] mhd_ret set to MHD response status for @a connection,
      69             :  *             if transaction failed (!)
      70             :  * @return transaction status
      71             :  */
      72             : static enum GNUNET_DB_QueryStatus
      73           0 : del_auditor (void *cls,
      74             :              struct MHD_Connection *connection,
      75             :              MHD_RESULT *mhd_ret)
      76             : {
      77           0 :   struct DelAuditorContext *dac = cls;
      78             :   struct GNUNET_TIME_Timestamp last_date;
      79             :   enum GNUNET_DB_QueryStatus qs;
      80             : 
      81           0 :   qs = TEH_plugin->lookup_auditor_timestamp (TEH_plugin->cls,
      82           0 :                                              &dac->auditor_pub,
      83             :                                              &last_date);
      84           0 :   if (qs < 0)
      85             :   {
      86           0 :     if (GNUNET_DB_STATUS_SOFT_ERROR == qs)
      87           0 :       return qs;
      88           0 :     GNUNET_break (0);
      89           0 :     *mhd_ret = TALER_MHD_reply_with_error (connection,
      90             :                                            MHD_HTTP_INTERNAL_SERVER_ERROR,
      91             :                                            TALER_EC_GENERIC_DB_FETCH_FAILED,
      92             :                                            "lookup auditor");
      93           0 :     return qs;
      94             :   }
      95           0 :   if (GNUNET_TIME_timestamp_cmp (last_date,
      96             :                                  >,
      97             :                                  dac->validity_end))
      98             :   {
      99           0 :     *mhd_ret = TALER_MHD_reply_with_error (
     100             :       connection,
     101             :       MHD_HTTP_CONFLICT,
     102             :       TALER_EC_EXCHANGE_MANAGEMENT_AUDITOR_MORE_RECENT_PRESENT,
     103             :       NULL);
     104           0 :     return GNUNET_DB_STATUS_HARD_ERROR;
     105             :   }
     106           0 :   if (0 == qs)
     107             :   {
     108           0 :     *mhd_ret = TALER_MHD_reply_with_error (
     109             :       connection,
     110             :       MHD_HTTP_NOT_FOUND,
     111             :       TALER_EC_EXCHANGE_MANAGEMENT_AUDITOR_NOT_FOUND,
     112             :       NULL);
     113           0 :     return GNUNET_DB_STATUS_HARD_ERROR;
     114             :   }
     115           0 :   qs = TEH_plugin->update_auditor (TEH_plugin->cls,
     116           0 :                                    &dac->auditor_pub,
     117             :                                    "", /* auditor URL */
     118             :                                    "", /* auditor name */
     119             :                                    dac->validity_end,
     120             :                                    false);
     121           0 :   if (qs < 0)
     122             :   {
     123           0 :     GNUNET_break (0);
     124           0 :     if (GNUNET_DB_STATUS_SOFT_ERROR == qs)
     125           0 :       return qs;
     126           0 :     *mhd_ret = TALER_MHD_reply_with_error (connection,
     127             :                                            MHD_HTTP_INTERNAL_SERVER_ERROR,
     128             :                                            TALER_EC_GENERIC_DB_STORE_FAILED,
     129             :                                            "del auditor");
     130           0 :     return qs;
     131             :   }
     132           0 :   TEH_keys_update_states ();
     133           0 :   return qs;
     134             : }
     135             : 
     136             : 
     137             : MHD_RESULT
     138           0 : TEH_handler_management_auditors_AP_disable (
     139             :   struct MHD_Connection *connection,
     140             :   const struct TALER_AuditorPublicKeyP *auditor_pub,
     141             :   const json_t *root)
     142             : {
     143             :   struct TALER_MasterSignatureP master_sig;
     144           0 :   struct DelAuditorContext dac = {
     145             :     .auditor_pub = *auditor_pub
     146             :   };
     147             :   struct GNUNET_JSON_Specification spec[] = {
     148           0 :     GNUNET_JSON_spec_fixed_auto ("master_sig",
     149             :                                  &master_sig),
     150           0 :     GNUNET_JSON_spec_timestamp ("validity_end",
     151             :                                 &dac.validity_end),
     152           0 :     GNUNET_JSON_spec_end ()
     153             :   };
     154             :   MHD_RESULT res;
     155             :   enum GNUNET_GenericReturnValue ret;
     156             : 
     157           0 :   ret = TALER_MHD_parse_json_data (connection,
     158             :                                    root,
     159             :                                    spec);
     160           0 :   if (GNUNET_SYSERR == ret)
     161           0 :     return MHD_NO;   /* hard failure */
     162           0 :   if (GNUNET_NO == ret)
     163           0 :     return MHD_YES;   /* failure */
     164           0 :   if (GNUNET_OK !=
     165           0 :       TALER_exchange_offline_auditor_del_verify (
     166             :         auditor_pub,
     167             :         dac.validity_end,
     168             :         &TEH_master_public_key,
     169             :         &master_sig))
     170             :   {
     171           0 :     GNUNET_break_op (0);
     172           0 :     return TALER_MHD_reply_with_error (
     173             :       connection,
     174             :       MHD_HTTP_FORBIDDEN,
     175             :       TALER_EC_EXCHANGE_MANAGEMENT_AUDITOR_DEL_SIGNATURE_INVALID,
     176             :       NULL);
     177             :   }
     178             : 
     179           0 :   ret = TEH_DB_run_transaction (connection,
     180             :                                 "del auditor",
     181             :                                 TEH_MT_REQUEST_OTHER,
     182             :                                 &res,
     183             :                                 &del_auditor,
     184             :                                 &dac);
     185           0 :   if (GNUNET_SYSERR == ret)
     186           0 :     return res;
     187           0 :   return TALER_MHD_reply_static (
     188             :     connection,
     189             :     MHD_HTTP_NO_CONTENT,
     190             :     NULL,
     191             :     NULL,
     192             :     0);
     193             : }
     194             : 
     195             : 
     196             : /* end of taler-exchange-httpd_management_auditors_AP_disable.c */

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