1 files changed, 286 insertions, 0 deletions
diff --git a/src/testing/testing_api_cmd_get_auditor.c b/src/testing/testing_api_cmd_get_auditor.c
new file mode 100644
index 000000000..ab4e32665
--- /dev/null
+++ b/src/testing/testing_api_cmd_get_auditor.c
@@ -0,0 +1,286 @@
+/*
+  This file is part of TALER
+  (C) 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_get_auditor.c
+ * @brief Command to get an auditor handle
+ * @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 "get auditor" CMD.
+ */
+struct GetAuditorState
+{
+
+  /**
+   * Private key of the auditor.
+   */
+  struct TALER_AuditorPrivateKeyP auditor_priv;
+
+  /**
+   * Public key of the auditor.
+   */
+  struct TALER_AuditorPublicKeyP auditor_pub;
+
+  /**
+   * Our interpreter state.
+   */
+  struct TALER_TESTING_Interpreter *is;
+
+  /**
+   * Auditor handle used to get the configuration.
+   */
+  struct TALER_AUDITOR_GetConfigHandle *auditor;
+
+  /**
+   * URL of the auditor.
+   */
+  char *auditor_url;
+
+  /**
+   * Filename of the master private key of the auditor.
+   */
+  char *priv_file;
+
+};
+
+
+/**
+ * Function called with information about the auditor.
+ *
+ * @param cls closure
+ * @param vr response data
+ */
+static void
+version_cb (
+  void *cls,
+  const struct TALER_AUDITOR_ConfigResponse *vr)
+{
+  struct GetAuditorState *gas = cls;
+
+  gas->auditor = NULL;
+  if (MHD_HTTP_OK != vr->hr.http_status)
+  {
+    TALER_TESTING_unexpected_status (gas->is,
+                                     vr->hr.http_status,
+                                     MHD_HTTP_OK);
+    return;
+  }
+  if ( (NULL != gas->priv_file) &&
+       (0 != GNUNET_memcmp (&gas->auditor_pub,
+                            &vr->details.ok.vi.auditor_pub)) )
+  {
+    GNUNET_break (0);
+    TALER_TESTING_interpreter_fail (gas->is);
+    return;
+  }
+  TALER_TESTING_interpreter_next (gas->is);
+}
+
+
+/**
+ * Run the "get_auditor" command.
+ *
+ * @param cls closure.
+ * @param cmd the command currently being executed.
+ * @param is the interpreter state.
+ */
+static void
+get_auditor_run (void *cls,
+                 const struct TALER_TESTING_Command *cmd,
+                 struct TALER_TESTING_Interpreter *is)
+{
+  struct GetAuditorState *gas = cls;
+
+  (void) cmd;
+  if (NULL == gas->auditor_url)
+  {
+    GNUNET_break (0);
+    TALER_TESTING_interpreter_fail (is);
+    return;
+  }
+  if (NULL != gas->priv_file)
+  {
+    if (GNUNET_SYSERR ==
+        GNUNET_CRYPTO_eddsa_key_from_file (gas->priv_file,
+                                           GNUNET_YES,
+                                           &gas->auditor_priv.eddsa_priv))
+    {
+      GNUNET_break (0);
+      TALER_TESTING_interpreter_fail (is);
+      return;
+    }
+    GNUNET_CRYPTO_eddsa_key_get_public (&gas->auditor_priv.eddsa_priv,
+                                        &gas->auditor_pub.eddsa_pub);
+  }
+  gas->is = is;
+  gas->auditor
+    = TALER_AUDITOR_get_config (TALER_TESTING_interpreter_get_context (is),
+                                gas->auditor_url,
+                                &version_cb,
+                                gas);
+  if (NULL == gas->auditor)
+  {
+    GNUNET_break (0);
+    TALER_TESTING_interpreter_fail (is);
+    return;
+  }
+}
+
+
+/**
+ * Cleanup the state.
+ *
+ * @param cls closure.
+ * @param cmd the command which is being cleaned up.
+ */
+static void
+get_auditor_cleanup (void *cls,
+                     const struct TALER_TESTING_Command *cmd)
+{
+  struct GetAuditorState *gas = cls;
+
+  if (NULL != gas->auditor)
+  {
+    GNUNET_break (0);
+    TALER_AUDITOR_get_config_cancel (gas->auditor);
+    gas->auditor = NULL;
+  }
+  GNUNET_free (gas->priv_file);
+  GNUNET_free (gas->auditor_url);
+  GNUNET_free (gas);
+}
+
+
+/**
+ * Offer internal data to a "get_auditor" CMD state to other commands.
+ *
+ * @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
+get_auditor_traits (void *cls,
+                    const void **ret,
+                    const char *trait,
+                    unsigned int index)
+{
+  struct GetAuditorState *gas = cls;
+  unsigned int off = (NULL == gas->priv_file) ? 2 : 0;
+  struct TALER_TESTING_Trait traits[] = {
+    TALER_TESTING_make_trait_auditor_priv (&gas->auditor_priv),
+    TALER_TESTING_make_trait_auditor_pub (&gas->auditor_pub),
+    TALER_TESTING_make_trait_auditor_url (gas->auditor_url),
+    TALER_TESTING_trait_end ()
+  };
+
+  return TALER_TESTING_get_trait (&traits[off],
+                                  ret,
+                                  trait,
+                                  index);
+}
+
+
+/**
+ * Get the base URL of the auditor from @a cfg.
+ *
+ * @param cfg configuration to evaluate
+ * @return base URL of the auditor according to @a cfg
+ */
+static char *
+get_auditor_base_url (
+  const struct GNUNET_CONFIGURATION_Handle *cfg)
+{
+  char *auditor_url;
+
+  if (GNUNET_OK !=
+      GNUNET_CONFIGURATION_get_value_string (cfg,
+                                             "auditor",
+                                             "BASE_URL",
+                                             &auditor_url))
+  {
+    GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
+                               "auditor",
+                               "BASE_URL");
+    return NULL;
+  }
+  return auditor_url;
+}
+
+
+/**
+ * Get the file name of the master private key file of the auditor from @a
+ * cfg.
+ *
+ * @param cfg configuration to evaluate
+ * @return base URL of the auditor according to @a cfg
+ */
+static char *
+get_auditor_priv_file (
+  const struct GNUNET_CONFIGURATION_Handle *cfg)
+{
+  char *fn;
+
+  if (GNUNET_OK !=
+      GNUNET_CONFIGURATION_get_value_filename (cfg,
+                                               "auditor",
+                                               "AUDITOR_PRIV_FILE",
+                                               &fn))
+  {
+    GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
+                               "auditor",
+                               "AUDITOR_PRIV_FILE");
+    return NULL;
+  }
+  return fn;
+}
+
+
+struct TALER_TESTING_Command
+TALER_TESTING_cmd_get_auditor (
+  const char *label,
+  const struct GNUNET_CONFIGURATION_Handle *cfg,
+  bool load_auditor_keys)
+{
+  struct GetAuditorState *gas;
+
+  gas = GNUNET_new (struct GetAuditorState);
+  gas->auditor_url = get_auditor_base_url (cfg);
+  if (load_auditor_keys)
+    gas->priv_file = get_auditor_priv_file (cfg);
+  {
+    struct TALER_TESTING_Command cmd = {
+      .cls = gas,
+      .label = label,
+      .run = &get_auditor_run,
+      .cleanup = &get_auditor_cleanup,
+      .traits = &get_auditor_traits,
+      .name = "auditor"
+    };
+
+    return cmd;
+  }
+}