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path: root/src/testing/testing_api_cmd_kyc_check_get.c
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/*
  This file is part of TALER
  Copyright (C) 2021-2023 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_kyc_check_get.c
 * @brief Implement the testing CMDs for the /kyc_check/ GET operations.
 * @author Christian Grothoff
 */
#include "platform.h"
#include "taler_json_lib.h"
#include <gnunet/gnunet_curl_lib.h>
#include "taler_testing_lib.h"

/**
 * State for a "track transaction" CMD.
 */
struct KycCheckGetState
{

  /**
   * Command to get a reserve private key from.
   */
  const char *payment_target_reference;

  /**
   * Expected HTTP response code.
   */
  unsigned int expected_response_code;

  /**
   * Set to the KYC URL *if* the exchange replied with
   * a request for KYC (#MHD_HTTP_ACCEPTED).
   */
  char *kyc_url;

  /**
   * Handle to the "track transaction" pending operation.
   */
  struct TALER_EXCHANGE_KycCheckHandle *kwh;

  /**
   * Interpreter state.
   */
  struct TALER_TESTING_Interpreter *is;
};


/**
 * Handle response to the command.
 *
 * @param cls closure.
 * @param ks GET KYC status response details
 */
static void
check_kyc_cb (void *cls,
              const struct TALER_EXCHANGE_KycStatus *ks)
{
  struct KycCheckGetState *kcg = cls;
  struct TALER_TESTING_Interpreter *is = kcg->is;

  kcg->kwh = NULL;
  if (kcg->expected_response_code != ks->http_status)
  {
    TALER_TESTING_unexpected_status (is,
                                     ks->http_status,
                                     kcg->expected_response_code);
    return;
  }
  switch (ks->http_status)
  {
  case MHD_HTTP_OK:
    break;
  case MHD_HTTP_ACCEPTED:
    kcg->kyc_url = GNUNET_strdup (ks->details.accepted.kyc_url);
    break;
  case MHD_HTTP_NO_CONTENT:
    break;
  default:
    GNUNET_break (0);
    break;
  }
  TALER_TESTING_interpreter_next (kcg->is);
}


/**
 * Run the command.
 *
 * @param cls closure.
 * @param cmd the command to execute.
 * @param is the interpreter state.
 */
static void
check_kyc_run (void *cls,
               const struct TALER_TESTING_Command *cmd,
               struct TALER_TESTING_Interpreter *is)
{
  struct KycCheckGetState *kcg = cls;
  const struct TALER_TESTING_Command *res_cmd;
  const uint64_t *requirement_row;
  const struct TALER_PaytoHashP *h_payto;

  (void) cmd;
  kcg->is = is;
  res_cmd = TALER_TESTING_interpreter_lookup_command (
    kcg->is,
    kcg->payment_target_reference);
  if (NULL == res_cmd)
  {
    GNUNET_break (0);
    TALER_TESTING_interpreter_fail (kcg->is);
    return;
  }
  if (GNUNET_OK !=
      TALER_TESTING_get_trait_legi_requirement_row (res_cmd,
                                                    &requirement_row))
  {
    GNUNET_break (0);
    TALER_TESTING_interpreter_fail (kcg->is);
    return;
  }
  if (GNUNET_OK !=
      TALER_TESTING_get_trait_h_payto (res_cmd,
                                       &h_payto))
  {
    GNUNET_break (0);
    TALER_TESTING_interpreter_fail (kcg->is);
    return;
  }
  if (0 == *requirement_row)
  {
    GNUNET_break (0);
    TALER_TESTING_interpreter_fail (kcg->is);
    return;
  }
  kcg->kwh = TALER_EXCHANGE_kyc_check (
    TALER_TESTING_interpreter_get_context (is),
    TALER_TESTING_get_exchange_url (is),
    TALER_TESTING_get_keys (is),
    *requirement_row,
    h_payto,
    TALER_KYCLOGIC_KYC_UT_INDIVIDUAL,
    GNUNET_TIME_UNIT_SECONDS,
    &check_kyc_cb,
    kcg);
  GNUNET_assert (NULL != kcg->kwh);
}


/**
 * Cleanup the state from a "track transaction" CMD, and possibly
 * cancel a operation thereof.
 *
 * @param cls closure.
 * @param cmd the command which is being cleaned up.
 */
static void
check_kyc_cleanup (void *cls,
                   const struct TALER_TESTING_Command *cmd)
{
  struct KycCheckGetState *kcg = cls;

  if (NULL != kcg->kwh)
  {
    TALER_TESTING_command_incomplete (kcg->is,
                                      cmd->label);
    TALER_EXCHANGE_kyc_check_cancel (kcg->kwh);
    kcg->kwh = NULL;
  }
  GNUNET_free (kcg->kyc_url);
  GNUNET_free (kcg);
}


/**
 * Offer internal data from a "check KYC" CMD.
 *
 * @param cls closure.
 * @param[out] ret result (could be anything).
 * @param trait name of the trait.
 * @param index index number of the object to offer.
 * @return #GNUNET_OK on success.
 */
static enum GNUNET_GenericReturnValue
check_kyc_traits (void *cls,
                  const void **ret,
                  const char *trait,
                  unsigned int index)
{
  struct KycCheckGetState *kcg = cls;
  struct TALER_TESTING_Trait traits[] = {
    TALER_TESTING_make_trait_kyc_url (kcg->kyc_url),
    TALER_TESTING_trait_end ()
  };

  return TALER_TESTING_get_trait (traits,
                                  ret,
                                  trait,
                                  index);
}


struct TALER_TESTING_Command
TALER_TESTING_cmd_check_kyc_get (const char *label,
                                 const char *payment_target_reference,
                                 unsigned int expected_response_code)
{
  struct KycCheckGetState *kcg;

  kcg = GNUNET_new (struct KycCheckGetState);
  kcg->payment_target_reference = payment_target_reference;
  kcg->expected_response_code = expected_response_code;
  {
    struct TALER_TESTING_Command cmd = {
      .cls = kcg,
      .label = label,
      .run = &check_kyc_run,
      .cleanup = &check_kyc_cleanup,
      .traits = &check_kyc_traits
    };

    return cmd;
  }
}


/* end of testing_api_cmd_kyc_check_get.c */