1 files changed, 267 insertions, 0 deletions

diff --git a/src/testing/testing_api_cmd_policy_lookup.c b/src/testing/testing_api_cmd_policy_lookup.c
new file mode 100644
index 0000000..e97f746
--- /dev/null
+++ b/src/testing/testing_api_cmd_policy_lookup.c
@@ -0,0 +1,267 @@
+/*
+  This file is part of Anastasis
+  Copyright (C) 2020 Taler Systems SA
+
+  Anastasis is free software; you can redistribute it and/or modify it under the
+  terms of the GNU Lesser General Public License as published by the Free Software
+  Foundation; either version 3, or (at your option) any later version.
+
+  Anastasis 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
+  Anastasis; see the file COPYING.GPL.  If not, see <http://www.gnu.org/licenses/>
+*/
+/**
+ * @file lib/testing_api_cmd_policy_lookup.c
+ * @brief command to execute the anastasis backend service.
+ * @author Dennis Neufeld
+ * @author Dominik Meister
+ */
+
+#include "platform.h"
+#include "anastasis_testing_lib.h"
+#include <taler/taler_util.h>
+#include <taler/taler_testing_lib.h>
+
+
+/**
+ * State for a "policy lookup" CMD.
+ */
+struct PolicyLookupState
+{
+  /**
+   * The interpreter state.
+   */
+  struct TALER_TESTING_Interpreter *is;
+
+  /**
+   * Eddsa Publickey.
+   */
+  struct ANASTASIS_CRYPTO_AccountPublicKeyP anastasis_pub;
+
+  /**
+   * Hash of the upload (all zeros if there was no upload).
+   */
+  const struct GNUNET_HashCode *upload_hash;
+
+  /**
+   * URL of the anastasis backend.
+   */
+  const char *anastasis_url;
+
+  /**
+   * Expected status code.
+   */
+  unsigned int http_status;
+
+  /**
+   * Reference to upload command we expect to lookup.
+   */
+  const char *upload_reference;
+
+  /**
+   * The /policy GET operation handle.
+   */
+  struct ANASTASIS_PolicyLookupOperation *plo;
+};
+
+
+/**
+ * Function called with the results of a #ANASTASIS_lookup().
+ *
+ * @param cls closure
+ * @param http_status HTTP status of the request
+ * @param ud details about the lookup operation
+ */
+static void
+policy_lookup_cb (void *cls,
+                  unsigned int http_status,
+                  const struct ANASTASIS_DownloadDetails *dd)
+{
+  struct PolicyLookupState *pls = cls;
+
+  pls->plo = NULL;
+  if (http_status != pls->http_status)
+  {
+    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+                "Unexpected response code %u to command %s in %s:%u\n",
+                http_status,
+                pls->is->commands[pls->is->ip].label,
+                __FILE__,
+                __LINE__);
+    TALER_TESTING_interpreter_fail (pls->is);
+    return;
+  }
+  if (NULL != pls->upload_reference)
+  {
+    if ( (MHD_HTTP_OK == http_status) &&
+         (0 != GNUNET_memcmp (&dd->curr_policy_hash,
+                              pls->upload_hash)) )
+    {
+      GNUNET_break (0);
+      TALER_TESTING_interpreter_fail (pls->is);
+      return;
+    }
+  }
+  TALER_TESTING_interpreter_next (pls->is);
+}
+
+
+/**
+ * Run a "policy lookup" CMD.
+ *
+ * @param cls closure.
+ * @param cmd command currently being run.
+ * @param is interpreter state.
+ */
+static void
+policy_lookup_run (void *cls,
+                   const struct TALER_TESTING_Command *cmd,
+                   struct TALER_TESTING_Interpreter *is)
+{
+  struct PolicyLookupState *pls = cls;
+
+  pls->is = is;
+  if (NULL != pls->upload_reference)
+  {
+    const struct TALER_TESTING_Command *upload_cmd;
+    const struct ANASTASIS_CRYPTO_AccountPublicKeyP *anastasis_pub;
+
+    upload_cmd = TALER_TESTING_interpreter_lookup_command
+                   (is,
+                   pls->upload_reference);
+    if (NULL == upload_cmd)
+    {
+      GNUNET_break (0);
+      TALER_TESTING_interpreter_fail (pls->is);
+      return;
+    }
+    if (GNUNET_OK !=
+        ANASTASIS_TESTING_get_trait_hash (upload_cmd,
+                                          ANASTASIS_TESTING_TRAIT_HASH_CURRENT,
+                                          &pls->upload_hash))
+    {
+      GNUNET_break (0);
+      TALER_TESTING_interpreter_fail (pls->is);
+      return;
+    }
+    if (GNUNET_OK !=
+        ANASTASIS_TESTING_get_trait_account_pub (upload_cmd,
+                                                 0,
+                                                 &anastasis_pub))
+    {
+      GNUNET_break (0);
+      TALER_TESTING_interpreter_fail (pls->is);
+      return;
+    }
+    pls->anastasis_pub = *anastasis_pub;
+  }
+  pls->plo = ANASTASIS_policy_lookup (is->ctx,
+                                      pls->anastasis_url,
+                                      &pls->anastasis_pub,
+                                      &policy_lookup_cb,
+                                      pls);
+  if (NULL == pls->plo)
+  {
+    GNUNET_break (0);
+    TALER_TESTING_interpreter_fail (pls->is);
+    return;
+  }
+}
+
+
+/**
+ * Free the state of a "policy lookup" CMD, and possibly
+ * cancel it if it did not complete.
+ *
+ * @param cls closure.
+ * @param cmd command being freed.
+ */
+static void
+policy_lookup_cleanup (void *cls,
+                       const struct TALER_TESTING_Command *cmd)
+{
+  struct PolicyLookupState *pls = cls;
+
+  if (NULL != pls->plo)
+  {
+    GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+                "Command '%s' did not complete (policy lookup)\n",
+                cmd->label);
+    ANASTASIS_policy_lookup_cancel (pls->plo);
+    pls->plo = NULL;
+  }
+  GNUNET_free (pls);
+}
+
+
+/**
+ * Make the "policy lookup" command.
+ *
+ * @param label command label
+ * @param anastasis_url base URL of the ANASTASIS serving
+ *        the policy store request.
+ * @param http_status expected HTTP status.
+ * @param upload_ref reference to upload command
+ * @return the command
+ */
+struct TALER_TESTING_Command
+ANASTASIS_TESTING_cmd_policy_lookup (const char *label,
+                                     const char *anastasis_url,
+                                     unsigned int http_status,
+                                     const char *upload_ref)
+{
+  struct PolicyLookupState *pls;
+
+  GNUNET_assert (NULL != upload_ref);
+  pls = GNUNET_new (struct PolicyLookupState);
+  pls->http_status = http_status;
+  pls->anastasis_url = anastasis_url;
+  pls->upload_reference = upload_ref;
+  {
+    struct TALER_TESTING_Command cmd = {
+      .cls = pls,
+      .label = label,
+      .run = &policy_lookup_run,
+      .cleanup = &policy_lookup_cleanup
+    };
+
+    return cmd;
+  }
+}
+
+
+/**
+ * Make the "policy lookup" command for a non-existent upload.
+ *
+ * @param label command label
+ * @param anastasis_url base URL of the ANASTASIS serving
+ *        the policy lookup request.
+ * @return the command
+ */
+struct TALER_TESTING_Command
+ANASTASIS_TESTING_cmd_policy_nx (const char *label,
+                                 const char *anastasis_url)
+{
+  struct PolicyLookupState *pls;
+  struct GNUNET_CRYPTO_EddsaPrivateKey priv;
+
+  pls = GNUNET_new (struct PolicyLookupState);
+  pls->http_status = MHD_HTTP_NOT_FOUND;
+  pls->anastasis_url = anastasis_url;
+  GNUNET_CRYPTO_eddsa_key_create (&priv);
+  GNUNET_CRYPTO_eddsa_key_get_public (&priv,
+                                      &pls->anastasis_pub.pub);
+  {
+    struct TALER_TESTING_Command cmd = {
+      .cls = pls,
+      .label = label,
+      .run = &policy_lookup_run,
+      .cleanup = &policy_lookup_cleanup
+    };
+
+    return cmd;
+  }
+}