donau

testing_api_cmd_donation_statement_get.c (6731B)

---

 /*
   This file is part of TALER
   Copyright (C) 2024 Taler Systems SA
 
   TALER is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as
   published by the Free Software Foundation; either version 3, or
   (at your option) any later version.
 
   TALER is distributed in the hope that it will be useful, but
   WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
 
   You should have received a copy of the GNU General Public
   License along with TALER; see the file COPYING.  If not, see
   <http://www.gnu.org/licenses/>
 */
 /**
  * @file testing/testing_api_cmd_donation_statement_get.c
  * @brief Implement the GET /donation-statement/$YEAR/$HASH_DONOR_ID test command.
  * @author Marcello Stanisci
  * @author Lukas Matyja
  */
 #include <donau_config.h>
 #include <taler/taler_json_lib.h>
 #include <gnunet/gnunet_curl_lib.h>
 #include <taler/taler_testing_lib.h>
 struct StatusState;
 #define DONAU_GET_DONATION_STATEMENT_RESULT_CLOSURE struct StatusState
 #include "donau_testing_lib.h"
 
 
 /**
  * State for a "status" CMD.
  */
 struct StatusState
 {
   /**
    * Handle to the "charity status" operation.
    */
   struct DONAU_DonationStatementGetHandle *dsgh;
 
   /**
    * Expected HTTP response code.
    */
   unsigned int expected_response_code;
 
   /**
    * Interpreter state.
    */
   struct TALER_TESTING_Interpreter *is;
 
   /**
    * The Donation Statement
    */
   struct DONAU_DonationStatement donation_statement;
 
   /**
    * The Donau keys
    */
   struct DONAU_Keys *keys;
 
 };
 
 /**
  * Check that the reserve balance and HTTP response code are
  * both acceptable.
  *
  * @param ss closure.
  * @param dsr HTTP response details
  */
 static void
 donation_statement_status_cb (struct StatusState *ss,
                               const struct DONAU_DonationStatementResponse *dsr)
 {
   ss->dsgh = NULL;
   if (ss->expected_response_code != dsr->hr.http_status)
   {
     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
                 "Unexpected HTTP response code: %d in %s:%u\n",
                 dsr->hr.http_status,
                 __FILE__,
                 __LINE__);
     json_dumpf (dsr->hr.reply,
                 stderr,
                 0);
     TALER_TESTING_interpreter_fail (ss->is);
     return;
   }
 
   /* Get donau keys from trait */
   {
     const struct TALER_TESTING_Command *keys_cmd;
     struct DONAU_Keys *keys;
 
     keys_cmd = TALER_TESTING_interpreter_lookup_command (ss->is,
                                                          "get-donau");
 
     if (GNUNET_OK !=
         TALER_TESTING_get_trait_donau_keys (keys_cmd,
                                             &keys))
     {
       GNUNET_break (0);
       TALER_TESTING_interpreter_fail (ss->is);
       return;
     }
     ss->keys = keys;
   }
 
   ss->donation_statement.total_amount = dsr->details.ok.total_amount;
   ss->donation_statement.donation_statement_sig =
     dsr->details.ok.donation_statement_sig;
 
   for (unsigned int i = 0; i < ss->keys->num_sign_keys; i++)
   {
     if (0 !=
         GNUNET_memcmp (&ss->keys->sign_keys[i].key,
                        &dsr->details.ok.donau_pub))
       continue;
     if (GNUNET_OK ==
         DONAU_donation_statement_verify (
           &ss->donation_statement.total_amount,
           ss->donation_statement.year,
           ss->donation_statement.h_donor_tax_id,
           &ss->keys->sign_keys[i].key,
           &ss->donation_statement.donation_statement_sig))
     {
       char *qr_string = DONAU_generate_qr_string (&dsr->details.ok.donau_pub,
                                                   &ss->donation_statement);
 
       GNUNET_log (GNUNET_ERROR_TYPE_INFO,
                   "qr-string: %s\n",
                   qr_string);
       GNUNET_free (qr_string);
 
       TALER_TESTING_interpreter_next (ss->is);
       return;
     }
   }
   GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
               "Verify donation statement signature failed!");
   TALER_TESTING_interpreter_fail (ss->is);
 }
 
 
 /**
  * Run the command.
  *
  * @param cls closure.
  * @param cmd the command being executed.
  * @param is the interpreter state.
  */
 static void
 status_run (void *cls,
             const struct TALER_TESTING_Command *cmd,
             struct TALER_TESTING_Interpreter *is)
 {
   struct StatusState *ss = cls;
 
   (void) cmd;
   ss->is = is;
   /* Get charity salted tax id hash from trait */
   {
     const struct TALER_TESTING_Command *issue_receipts_cmd;
     const struct DONAU_HashDonorTaxId *h_donor_tax_id;
     const char *donor_salt;
     const char *donor_tax_id;
 
     issue_receipts_cmd = TALER_TESTING_interpreter_lookup_command (is,
                                                                    "issue-receipts");
 
     if (GNUNET_OK != TALER_TESTING_get_trait_salted_tax_id_hash
           (issue_receipts_cmd, &h_donor_tax_id) ||
         GNUNET_OK != TALER_TESTING_get_trait_donor_salt
           (issue_receipts_cmd, &donor_salt) ||
         GNUNET_OK != TALER_TESTING_get_trait_donor_tax_id
           (issue_receipts_cmd, &donor_tax_id))
     {
       GNUNET_break (0);
       TALER_TESTING_interpreter_fail (is);
       return;
     }
     ss->donation_statement.donor_tax_id = donor_tax_id;
     ss->donation_statement.salt = donor_salt;
     ss->donation_statement.h_donor_tax_id = h_donor_tax_id;
   }
 
   ss->dsgh = DONAU_donation_statement_get (
     TALER_TESTING_interpreter_get_context (is),
     TALER_TESTING_get_donau_url (is),
     ss->donation_statement.year,
     ss->donation_statement.h_donor_tax_id,
     &donation_statement_status_cb,
     ss);
 }
 
 
 /**
  * Cleanup the state from a "reserve status" CMD, and possibly
  * cancel a pending operation thereof.
  *
  * @param cls closure.
  * @param cmd the command which is being cleaned up.
  */
 static void
 status_cleanup (void *cls,
                 const struct TALER_TESTING_Command *cmd)
 {
   struct StatusState *ss = cls;
 
   if (NULL != ss->dsgh)
   {
     // log incomplete command
     TALER_TESTING_command_incomplete (ss->is,
                                       cmd->label);
     DONAU_donation_statement_get_cancel (ss->dsgh);
     ss->dsgh = NULL;
   }
   GNUNET_free (ss);
 }
 
 
 struct TALER_TESTING_Command
 TALER_TESTING_cmd_donation_statement_get (const char *label,
                                           uint64_t year,
                                           unsigned int expected_response_code)
 {
   struct StatusState *ss;
 
   ss = GNUNET_new (struct StatusState);
   ss->donation_statement.year = year;
   ss->expected_response_code = expected_response_code;
   {
     struct TALER_TESTING_Command cmd = {
       .cls = ss,
       .label = label,
       .run = &status_run,
       .cleanup = &status_cleanup
     };
 
     return cmd;
   }
 }