From 79f1546aa9ad2eeead24324000130caeb26b0262 Mon Sep 17 00:00:00 2001
From: "Schanzenbach, Martin" <mschanzenbach@posteo.de>
Date: Sun, 14 Apr 2019 16:40:11 +0200
Subject: RECLAIM/REST: add attribute delete REST call

---
 src/reclaim/gnunet-service-reclaim.c |  4 +-
 src/reclaim/plugin_rest_reclaim.c    | 77 ++++++++++++++++++++++++++++++++++++
 2 files changed, 79 insertions(+), 2 deletions(-)

(limited to 'src/reclaim')

diff --git a/src/reclaim/gnunet-service-reclaim.c b/src/reclaim/gnunet-service-reclaim.c
index 5deb482e9..a49962b4d 100644
--- a/src/reclaim/gnunet-service-reclaim.c
+++ b/src/reclaim/gnunet-service-reclaim.c
@@ -997,8 +997,8 @@ attr_delete_cont (void *cls, int32_t success, const char *emsg)
   struct AttributeDeleteHandle *adh = cls;
   adh->ns_qe = NULL;
   if (GNUNET_SYSERR == success) {
-    GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Error deleting attribute %s (%s)\n",
-                adh->claim->name, adh->label);
+    GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Error deleting attribute %s\n",
+                adh->label);
     send_delete_response (adh, GNUNET_SYSERR);
     cleanup_adh (adh);
     return;
diff --git a/src/reclaim/plugin_rest_reclaim.c b/src/reclaim/plugin_rest_reclaim.c
index ae46211d5..74071d97b 100644
--- a/src/reclaim/plugin_rest_reclaim.c
+++ b/src/reclaim/plugin_rest_reclaim.c
@@ -633,6 +633,81 @@ list_attribute_cont (struct GNUNET_REST_RequestHandle *con_handle,
 }
 
 
+static void
+delete_finished_cb (void *cls, int32_t success, const char *emsg)
+{
+  struct RequestHandle *handle = cls;
+  struct MHD_Response *resp;
+
+  resp = GNUNET_REST_create_response (emsg);
+  if (GNUNET_OK != success) {
+    GNUNET_SCHEDULER_add_now (&do_error, handle);
+    return;
+  }
+  handle->proc (handle->proc_cls, resp, MHD_HTTP_OK);
+  GNUNET_SCHEDULER_add_now (&cleanup_handle_delayed, handle);
+}
+
+
+/**
+ * List attributes for identity request
+ *
+ * @param con_handle the connection handle
+ * @param url the url
+ * @param cls the RequestHandle
+ */
+static void
+delete_attribute_cont (struct GNUNET_REST_RequestHandle *con_handle,
+                       const char *url, void *cls)
+{
+  const struct GNUNET_CRYPTO_EcdsaPrivateKey *priv_key;
+  struct RequestHandle *handle = cls;
+  struct GNUNET_RECLAIM_ATTRIBUTE_Claim attr;
+  struct EgoEntry *ego_entry;
+  char *identity_id_str;
+  char *identity;
+  char *id;
+
+  GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Deleting attributes.\n");
+  if (strlen (GNUNET_REST_API_NS_RECLAIM_ATTRIBUTES) >= strlen (handle->url)) {
+    GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "No identity given.\n");
+    GNUNET_SCHEDULER_add_now (&do_error, handle);
+    return;
+  }
+  identity_id_str =
+      strdup (handle->url + strlen (GNUNET_REST_API_NS_RECLAIM_ATTRIBUTES) + 1);
+  identity = strtok (identity_id_str, "/");
+  id = strtok (NULL, "/");
+  if ((NULL == identity) || (NULL == id)) {
+    GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Malformed request.\n");
+    GNUNET_free (identity_id_str);
+    GNUNET_SCHEDULER_add_now (&do_error, handle);
+    return;
+  }
+
+  for (ego_entry = handle->ego_head; NULL != ego_entry;
+       ego_entry = ego_entry->next)
+    if (0 == strcmp (identity, ego_entry->identifier))
+      break;
+  handle->resp_object = json_array ();
+  if (NULL == ego_entry) {
+    // Done
+    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Ego %s not found.\n", identity);
+    GNUNET_free (identity_id_str);
+    GNUNET_SCHEDULER_add_now (&return_response, handle);
+    return;
+  }
+  priv_key = GNUNET_IDENTITY_ego_get_private_key (ego_entry->ego);
+  handle->idp = GNUNET_RECLAIM_connect (cfg);
+  memset (&attr, 0, sizeof (struct GNUNET_RECLAIM_ATTRIBUTE_Claim));
+  GNUNET_STRINGS_string_to_data (id, strlen (id), &attr.id, sizeof (uint64_t));
+  attr.name = "";
+  handle->idp_op = GNUNET_RECLAIM_attribute_delete (
+      handle->idp, priv_key, &attr, &delete_finished_cb, handle);
+  GNUNET_free (identity_id_str);
+}
+
+
 static void
 revoke_ticket_cont (struct GNUNET_REST_RequestHandle *con_handle,
                     const char *url, void *cls)
@@ -815,6 +890,8 @@ init_cont (struct RequestHandle *handle)
        &list_attribute_cont},
       {MHD_HTTP_METHOD_POST, GNUNET_REST_API_NS_RECLAIM_ATTRIBUTES,
        &add_attribute_cont},
+      {MHD_HTTP_METHOD_DELETE, GNUNET_REST_API_NS_RECLAIM_ATTRIBUTES,
+       &delete_attribute_cont},
       {MHD_HTTP_METHOD_GET, GNUNET_REST_API_NS_IDENTITY_TICKETS,
        &list_tickets_cont},
       {MHD_HTTP_METHOD_POST, GNUNET_REST_API_NS_IDENTITY_REVOKE,
-- 
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