This file is part of GNUnet.
Copyright (C) 2012-2015 GNUnet e.V.
- GNUnet is free software: you can redistribute it and/or modify it
- under the terms of the GNU Affero General Public License as published
- by the Free Software Foundation, either version 3 of the License,
- or (at your option) any later version.
+ GNUnet 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.
GNUnet 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
- Affero General Public License for more details.
-
- You should have received a copy of the GNU Affero General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with GNUnet; see the file COPYING. If not, write to the
+ Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA.
*/
/**
* @author Martin Schanzenbach
+ * @author Philippe Buschmann
* @file namestore/plugin_rest_namestore.c
* @brief GNUnet Namestore REST plugin
- *
*/
#include "platform.h"
#include "gnunet_namestore_service.h"
#include "gnunet_identity_service.h"
#include "gnunet_rest_lib.h"
-#include "gnunet_jsonapi_lib.h"
-#include "gnunet_jsonapi_util.h"
+#include "gnunet_json_lib.h"
#include "microhttpd.h"
#include <jansson.h>
-#define GNUNET_REST_API_NS_NAMESTORE "/names"
-
-#define GNUNET_REST_API_NS_NAMESTORE_ZKEY "/names/zkey"
-
-#define GNUNET_REST_JSONAPI_NAMESTORE_TYPEINFO "record"
-
-#define GNUNET_REST_JSONAPI_NAMESTORE_NAME "name"
-
-#define GNUNET_REST_JSONAPI_NAMESTORE_REVINFO "revinfo"
+#define GNUNET_REST_API_NS_NAMESTORE "/namestore"
-#define GNUNET_REST_JSONAPI_NAMESTORE_RECORD GNUNET_REST_JSONAPI_NAMESTORE_TYPEINFO
+#define GNUNET_REST_SUBSYSTEM_NAMESTORE "namestore"
-#define GNUNET_REST_JSONAPI_NAMESTORE_RECORD_TYPE "record_type"
+#define GNUNET_REST_JSON_NAMESTORE_RECORD_TYPE "record_type"
+#define GNUNET_REST_JSON_NAMESTORE_VALUE "value"
+#define GNUNET_REST_JSON_NAMESTORE_EXPIRATION "expiration"
+#define GNUNET_REST_JSON_NAMESTORE_EXPIRED "expired"
-#define GNUNET_REST_JSONAPI_NAMESTORE_VALUE "value"
+#define GNUNET_REST_NAMESTORE_RD_COUNT 1
-#define GNUNET_REST_JSONAPI_NAMESTORE_PUBLIC "public"
+//TODO define other variables
-#define GNUNET_REST_JSONAPI_NAMESTORE_SHADOW "shadow"
-
-#define GNUNET_REST_JSONAPI_NAMESTORE_PKEY "pkey"
-
-#define GNUNET_REST_JSONAPI_NAMESTORE_ZKEY "zkey"
-
-#define GNUNET_REST_JSONAPI_NAMESTORE_EXPIRATION "expiration"
+/**
+ * The configuration handle
+ */
+const struct GNUNET_CONFIGURATION_Handle *cfg;
-#define GNUNET_REST_JSONAPI_NAMESTORE_EGO "ego"
+/**
+ * HTTP methods allows for this plugin
+ */
+static char* allow_methods;
/**
* @brief struct returned by the initialization function of the plugin
const struct GNUNET_CONFIGURATION_Handle *cfg;
};
+//TODO add specific structs
/**
- * HTTP methods allows for this plugin
+ * The default namestore ego
*/
-static char* allow_methods;
-
-const struct GNUNET_CONFIGURATION_Handle *cfg;
-
-struct RecordEntry
+struct EgoEntry
{
/**
- * DLL
+ * Ego Identifier
*/
- struct RecordEntry *next;
+ const char *identifier;
/**
- * DLL
+ * Public key string
*/
- struct RecordEntry *prev;
+ char *keystring;
+ /**
+ * The Ego
+ */
+ struct GNUNET_IDENTITY_Ego *ego;
};
+
struct RequestHandle
{
- /**
- * Ego list
- */
- struct RecordEntry *record_head;
+ //TODO add specific entries
/**
- * Ego list
+ * Records to store
*/
- struct record_entry *record_tail;
+ struct GNUNET_GNSRECORD_Data *rd;
/**
- * JSON response object
+ * NAMESTORE Operation
*/
- struct GNUNET_JSONAPI_Document *resp_object;
+ struct GNUNET_NAMESTORE_QueueEntry *add_qe;
/**
- * Rest connection
+ * JSON data parser
*/
- struct GNUNET_REST_RequestHandle *rest_handle;
+ struct GNUNET_REST_JSON_Data *json_data;
/**
- * Handle to GNS service.
+ * Response object
*/
- struct GNUNET_IDENTITY_Handle *identity_handle;
+ json_t *resp_object;
/**
* Handle to NAMESTORE
struct GNUNET_CRYPTO_EcdsaPrivateKey zone_pkey;
/**
- * Handle to identity lookup
- */
- struct GNUNET_IDENTITY_EgoLookup *ego_lookup;
-
- /**
- * Default Ego operation
- */
- struct GNUNET_IDENTITY_Operation *get_default;
-
- /**
- * Name of the ego
- */
- char *ego_name;
-
- /**
- * Record is public
- */
- int is_public;
-
- /**
- * Shadow record
- */
- int is_shadow;
-
- /**
- * Name of the record to modify
- */
- char *name;
-
- /**
- * Value of the record
- */
- char *value;
-
- /**
- * Zkey string
- */
- const char* zkey_str;
-
- /**
- * record type
+ * IDENTITY Operation
*/
- uint32_t type;
-
- /**
- * Records to store
- */
- struct GNUNET_GNSRECORD_Data *rd;
+ struct EgoEntry *ego_entry;
/**
- * record count
+ * IDENTITY Operation
*/
- unsigned int rd_count;
+ struct GNUNET_IDENTITY_Operation *op;
/**
- * NAMESTORE Operation
+ * Handle to Identity service.
*/
- struct GNUNET_NAMESTORE_QueueEntry *add_qe;
+ struct GNUNET_IDENTITY_Handle *identity_handle;
/**
- * NAMESTORE Operation
+ * Rest connection
*/
- struct GNUNET_NAMESTORE_QueueEntry *reverse_qe;
-
+ struct GNUNET_REST_RequestHandle *rest_handle;
+
/**
* Desired timeout for the lookup (default is no timeout).
*/
/**
* ID of a task associated with the resolution process.
*/
- struct GNUNET_SCHEDULER_Task * timeout_task;
+ struct GNUNET_SCHEDULER_Task *timeout_task;
/**
* The plugin result processor
char *url;
/**
- * Cfg
+ * Error response message
*/
- const struct GNUNET_CONFIGURATION_Handle *cfg;
+ char *emsg;
/**
- * HTTP response code
+ * Reponse code
*/
int response_code;
};
+//TODO add specific cleanup
/**
* Cleanup lookup handle
- *
* @param handle Handle to clean up
*/
static void
cleanup_handle (struct RequestHandle *handle)
{
- struct RecordEntry *record_entry;
- struct RecordEntry *record_tmp;
+ size_t index;
+ json_t *json_ego;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Cleaning up\n");
- if (NULL != handle->resp_object)
- GNUNET_JSONAPI_document_delete (handle->resp_object);
- if (NULL != handle->name)
- GNUNET_free (handle->name);
if (NULL != handle->timeout_task)
+ {
GNUNET_SCHEDULER_cancel (handle->timeout_task);
- if (NULL != handle->ego_lookup)
- GNUNET_IDENTITY_ego_lookup_cancel (handle->ego_lookup);
- if (NULL != handle->get_default)
- GNUNET_IDENTITY_cancel (handle->get_default);
+ handle->timeout_task = NULL;
+ }
+ if (NULL != handle->url)
+ GNUNET_free(handle->url);
+ if (NULL != handle->emsg)
+ GNUNET_free(handle->emsg);
+ if (NULL != handle->rd)
+ {
+ if (NULL != handle->rd->data)
+ GNUNET_free((void*)handle->rd->data);
+ GNUNET_free(handle->rd);
+ }
+ if (NULL != handle->timeout_task)
+ GNUNET_SCHEDULER_cancel(handle->timeout_task);
if (NULL != handle->list_it)
- GNUNET_NAMESTORE_zone_iteration_stop (handle->list_it);
+ GNUNET_NAMESTORE_zone_iteration_stop(handle->list_it);
if (NULL != handle->add_qe)
- GNUNET_NAMESTORE_cancel (handle->add_qe);
+ GNUNET_NAMESTORE_cancel(handle->add_qe);
if (NULL != handle->identity_handle)
- GNUNET_IDENTITY_disconnect (handle->identity_handle);
+ GNUNET_IDENTITY_disconnect(handle->identity_handle);
if (NULL != handle->ns_handle)
- GNUNET_NAMESTORE_disconnect (handle->ns_handle);
- if (NULL != handle->url)
- GNUNET_free (handle->url);
- if (NULL != handle->value)
- GNUNET_free (handle->value);
- if (NULL != handle->rd)
{
- for (unsigned int i = 0; i < handle->rd_count; i++)
- {
- if (NULL != handle->rd[i].data)
- GNUNET_free ((void*)handle->rd[i].data);
- }
- GNUNET_free (handle->rd);
+ GNUNET_NAMESTORE_disconnect(handle->ns_handle);
}
- if (NULL != handle->ego_name)
- GNUNET_free (handle->ego_name);
- for (record_entry = handle->record_head;
- NULL != record_entry;)
+
+ if (NULL != handle->ego_entry)
{
- record_tmp = record_entry;
- record_entry = record_entry->next;
- GNUNET_free (record_tmp);
+ if (NULL != handle->ego_entry->keystring)
+ GNUNET_free(handle->ego_entry->keystring);
+
+ GNUNET_free(handle->ego_entry);
+ }
+
+ if(NULL != handle->resp_object)
+ {
+ json_array_foreach(handle->resp_object, index, json_ego )
+ {
+ json_decref (json_ego);
+ }
+ json_decref(handle->resp_object);
}
+
+ if (NULL != handle->json_data)
+ GNUNET_REST_JSON_free(handle->json_data);
+
GNUNET_free (handle);
}
+/**
+ * Task run on errors. Reports an error and cleans up everything.
+ *
+ * @param cls the `struct RequestHandle`
+ */
+static void
+do_error (void *cls)
+{
+ struct RequestHandle *handle = cls;
+ struct MHD_Response *resp;
+ char *json_error;
+
+ if (NULL == handle->emsg)
+ handle->emsg = GNUNET_strdup("Unknown Error");
+
+ GNUNET_asprintf (&json_error, "{\"error\": \"%s\"}", handle->emsg);
+
+ if (0 == handle->response_code)
+ handle->response_code = MHD_HTTP_OK;
+
+ resp = GNUNET_REST_create_response (json_error);
+ handle->proc (handle->proc_cls, resp, handle->response_code);
+ cleanup_handle (handle);
+ GNUNET_free(json_error);
+}
+
+/**
+ * Does internal server error when iteration failed.
+ */
+static void
+namestore_iteration_error (void *cls)
+{
+ struct RequestHandle *handle = cls;
+ struct MHD_Response *resp = GNUNET_REST_create_response (NULL);
+ handle->response_code = MHD_HTTP_INTERNAL_SERVER_ERROR;
+ handle->proc (handle->proc_cls, resp, handle->response_code);
+ cleanup_handle (handle);
+}
+
/**
* Create json representation of a GNSRECORD
*
if (NULL == string_val)
{
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Record of type %d malformed, skipping\n",
(int) rd->record_type);
return NULL;
}
record_obj = json_object();
json_object_set_new (record_obj,
- GNUNET_REST_JSONAPI_NAMESTORE_RECORD_TYPE,
+ GNUNET_REST_JSON_NAMESTORE_RECORD_TYPE,
json_string (typename));
json_object_set_new (record_obj,
- GNUNET_REST_JSONAPI_NAMESTORE_VALUE,
+ GNUNET_REST_JSON_NAMESTORE_VALUE,
json_string (string_val));
- GNUNET_free (string_val);
+ //GNUNET_free (string_val);
if (GNUNET_GNSRECORD_RF_RELATIVE_EXPIRATION & rd->flags)
{
time_abs.abs_value_us = rd->expiration_time;
exp_str = GNUNET_STRINGS_absolute_time_to_string (time_abs);
}
- json_object_set_new (record_obj, GNUNET_REST_JSONAPI_NAMESTORE_EXPIRATION, json_string (exp_str));
-
+ json_object_set_new (record_obj,
+ GNUNET_REST_JSON_NAMESTORE_EXPIRATION,
+ json_string (exp_str));
json_object_set_new (record_obj, "expired",
json_boolean (GNUNET_YES == GNUNET_GNSRECORD_is_expired (rd)));
return record_obj;
}
-/**
- * Task run on error. Generates error response and cleans up.
- *
- * @param cls the request to generate an error response for
- */
-static void
-do_error (void *cls)
-{
- struct RequestHandle *handle = cls;
- struct MHD_Response *resp = GNUNET_REST_create_response (NULL);
-
- handle->proc (handle->proc_cls, resp, handle->response_code);
- cleanup_handle (handle);
-}
-
-
-/**
- * Task run on timeout.
- *
- * @param cls the request to time out
- */
static void
-do_timeout (void *cls)
+create_finished (void *cls, int32_t success, const char *emsg)
{
struct RequestHandle *handle = cls;
+ struct MHD_Response *resp;
- handle->timeout_task = NULL;
- do_error (handle);
-}
-
-
-static void
-cleanup_handle_delayed (void *cls)
-{
- cleanup_handle (cls);
+ handle->add_qe = NULL;
+ if (GNUNET_YES != success)
+ {
+ handle->emsg = GNUNET_strdup("Error storing records");
+ GNUNET_SCHEDULER_add_now (&do_error, handle);
+ return;
+ }
+ resp = GNUNET_REST_create_response (NULL);
+ handle->proc (handle->proc_cls, resp, MHD_HTTP_NO_CONTENT);
+ cleanup_handle(handle);
}
-
/**
* Iteration over all results finished, build final
* response.
namestore_list_finished (void *cls)
{
struct RequestHandle *handle = cls;
- char *result;
+ char *result_str;
struct MHD_Response *resp;
handle->list_it = NULL;
- if (NULL == handle->resp_object)
- handle->resp_object = GNUNET_JSONAPI_document_new ();
- if (GNUNET_SYSERR ==
- GNUNET_JSONAPI_document_serialize (handle->resp_object,
- &result))
+ GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "HEY\n");
+ if (NULL == handle->resp_object)
{
- handle->response_code = MHD_HTTP_INTERNAL_SERVER_ERROR;
- GNUNET_SCHEDULER_add_now (&do_error,
- handle);
+ GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "OH\n");
+ GNUNET_SCHEDULER_add_now (&do_error, handle);
return;
}
- resp = GNUNET_REST_create_response (result);
- handle->proc (handle->proc_cls,
- resp,
- MHD_HTTP_OK);
- GNUNET_free_non_null (result);
- GNUNET_SCHEDULER_add_now (&cleanup_handle_delayed,
- handle);
+
+ result_str = json_dumps (handle->resp_object, 0);
+ GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Result %s\n", result_str);
+ resp = GNUNET_REST_create_response (result_str);
+ handle->proc (handle->proc_cls, resp, MHD_HTTP_OK);
+ GNUNET_free_non_null (result_str);
+ cleanup_handle(handle);
}
* @param handle the RequestHandle
*/
static void
-namestore_list_response (void *cls,
+namestore_list_iteration (void *cls,
const struct GNUNET_CRYPTO_EcdsaPrivateKey *zone_key,
const char *rname,
unsigned int rd_len,
const struct GNUNET_GNSRECORD_Data *rd)
{
struct RequestHandle *handle = cls;
- struct GNUNET_JSONAPI_Resource *json_resource;
- json_t *result_array;
json_t *record_obj;
if (NULL == handle->resp_object)
- handle->resp_object = GNUNET_JSONAPI_document_new ();
+ handle->resp_object = json_array();
- if ( (NULL != handle->name) &&
- (0 != strcmp (handle->name,
+ char *result_str = json_dumps (handle->resp_object, 0);
+ GNUNET_log(GNUNET_ERROR_TYPE_ERROR, "%s\n", result_str);
+ GNUNET_free(result_str);
+ /*if ( (NULL != handle->ego_entry->identifier) &&
+ (0 != strcmp (handle->ego_entry->identifier,
rname)) )
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "%s does not match %s\n",
- rname,
- handle->name);
- GNUNET_NAMESTORE_zone_iterator_next (handle->list_it,
- 1);
+ "%s does not match %s\n", rname,
+ handle->ego_entry->identifier);
+ GNUNET_NAMESTORE_zone_iterator_next (handle->list_it, 1);
return;
- }
+ }*/
- result_array = json_array ();
- for (unsigned int i=0; i<rd_len; i++)
+ for (unsigned int i = 0; i < rd_len; i++)
{
if ( (GNUNET_GNSRECORD_TYPE_NICK == rd[i].record_type) &&
(0 != strcmp (rname, GNUNET_GNS_EMPTY_LABEL_AT)) )
continue;
- if ( (rd[i].record_type != handle->type) &&
- (GNUNET_GNSRECORD_TYPE_ANY != handle->type) )
- continue;
record_obj = gnsrecord_to_json (&rd[i]);
- json_array_append (result_array,
+
+ if(NULL == record_obj)
+ continue;
+
+ json_array_append (handle->resp_object,
record_obj);
json_decref (record_obj);
}
- if (0 < json_array_size(result_array))
+ GNUNET_NAMESTORE_zone_iterator_next (handle->list_it, 1);
+}
+
+
+/**
+ * Handle namestore GET request
+ *
+ * @param con_handle the connection handle
+ * @param url the url
+ * @param cls the RequestHandle
+ */
+void
+namestore_get (struct GNUNET_REST_RequestHandle *con_handle,
+ const char* url,
+ void *cls)
+{
+ struct RequestHandle *handle = cls;
+ if (strlen (GNUNET_REST_API_NS_NAMESTORE) != strlen (handle->url))
{
- json_resource = GNUNET_JSONAPI_resource_new (GNUNET_REST_JSONAPI_NAMESTORE_TYPEINFO,
- rname);
- GNUNET_JSONAPI_resource_add_attr (json_resource,
- GNUNET_REST_JSONAPI_NAMESTORE_RECORD,
- result_array);
- GNUNET_JSONAPI_document_resource_add (handle->resp_object, json_resource);
+ handle->emsg = GNUNET_strdup("Wrong URL");
+ GNUNET_SCHEDULER_add_now (&do_error, handle);
+ return;
}
-
- json_decref (result_array);
- GNUNET_NAMESTORE_zone_iterator_next (handle->list_it,
- 1);
+ handle->list_it = GNUNET_NAMESTORE_zone_iteration_start (handle->ns_handle,
+ &handle->zone_pkey,
+ &namestore_iteration_error,
+ handle,
+ &namestore_list_iteration,
+ handle,
+ &namestore_list_finished,
+ handle);
}
+int
+check_needed_data(struct RequestHandle *handle){
+ if(NULL == handle->json_data->name)
+ {
+ handle->emsg = GNUNET_strdup("Missing JSON parameter: name");
+ return GNUNET_SYSERR;
+ }
+
+ if(NULL == handle->json_data->type)
+ {
+ handle->emsg = GNUNET_strdup("Missing JSON parameter: type");
+ return GNUNET_SYSERR;
+ }
-static void
-create_finished (void *cls, int32_t success, const char *emsg)
+ if(NULL == handle->json_data->value)
+ {
+ handle->emsg = GNUNET_strdup("Missing JSON parameter: value");
+ return GNUNET_SYSERR;
+ }
+
+ if(NULL == handle->json_data->expiration_time)
+ {
+ handle->emsg = GNUNET_strdup("Missing JSON parameter: expiration time");
+ return GNUNET_SYSERR;
+ }
+ return GNUNET_OK;
+}
+
+//TODO filter input
+static int
+json_to_gnsrecord (struct RequestHandle *handle)
{
- struct RequestHandle *handle = cls;
- struct MHD_Response *resp;
+ struct GNUNET_TIME_Relative etime_rel;
+ struct GNUNET_TIME_Absolute etime_abs;
+ void *rdata;
+ size_t rdata_size;
- handle->add_qe = NULL;
- if (GNUNET_YES != success)
+ handle->rd = GNUNET_new_array(GNUNET_REST_NAMESTORE_RD_COUNT,
+ struct GNUNET_GNSRECORD_Data);
+ memset (handle->rd, 0, sizeof(struct GNUNET_GNSRECORD_Data));
+ handle->rd->record_type = GNUNET_GNSRECORD_typename_to_number (
+ handle->json_data->type);
+ if (UINT32_MAX == (*handle->rd).record_type)
{
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Error storing records%s%s\n",
- (NULL == emsg) ? "" : ": ",
- (NULL == emsg) ? "" : emsg);
- GNUNET_SCHEDULER_add_now (&cleanup_handle_delayed, handle);
- return;
+ handle->emsg = GNUNET_strdup("Unsupported type");
+ return GNUNET_SYSERR;
}
- resp = GNUNET_REST_create_response (NULL);
- handle->proc (handle->proc_cls, resp, MHD_HTTP_NO_CONTENT);
- GNUNET_SCHEDULER_add_now (&cleanup_handle_delayed, handle);
+ if (GNUNET_OK
+ != GNUNET_GNSRECORD_string_to_value ((*handle->rd).record_type,
+ handle->json_data->value, &rdata,
+ &rdata_size))
+ {
+ handle->emsg = GNUNET_strdup("Value invalid for record type");
+ return GNUNET_SYSERR;
+ }
+ (*handle->rd).data = rdata;
+ (*handle->rd).data_size = rdata_size;
+ //TODO other flags
+ if (0 == handle->json_data->is_public)
+ {
+ handle->rd->flags |= GNUNET_GNSRECORD_RF_PRIVATE;
+ }
+ /**TODO
+ * if (1 == handle->is_shadow)
+ rde->flags |= GNUNET_GNSRECORD_RF_SHADOW_RECORD;
+ if (1 != handle->is_public)
+ rde->flags |= GNUNET_GNSRECORD_RF_PRIVATE;
+ */
+ if (0 == strcmp (handle->json_data->expiration_time, "never"))
+ {
+ (*handle->rd).expiration_time = GNUNET_TIME_UNIT_FOREVER_ABS.abs_value_us;
+ }
+ else if (GNUNET_OK
+ == GNUNET_STRINGS_fancy_time_to_relative (
+ handle->json_data->expiration_time, &etime_rel))
+ {
+ (*handle->rd).expiration_time = etime_rel.rel_value_us;
+ (*handle->rd).flags |= GNUNET_GNSRECORD_RF_RELATIVE_EXPIRATION;
+ }
+ else if (GNUNET_OK
+ == GNUNET_STRINGS_fancy_time_to_absolute (
+ handle->json_data->expiration_time, &etime_abs))
+ {
+ (*handle->rd).expiration_time = etime_abs.abs_value_us;
+ }
+ else
+ {
+ handle->emsg = GNUNET_strdup("Value invalid for record type");
+ return GNUNET_SYSERR;
+ }
+ return GNUNET_OK;
}
struct RequestHandle *handle = cls;
handle->add_qe = NULL;
- if (0 != strcmp (rec_name, handle->name))
+ if (0 != strcmp (rec_name, handle->json_data->name))
{
GNUNET_break (0);
do_error (handle);
handle->proc (handle->proc_cls,
GNUNET_REST_create_response (NULL),
MHD_HTTP_CONFLICT);
- GNUNET_SCHEDULER_add_now (&cleanup_handle_delayed, handle);
+ cleanup_handle(handle);
return;
}
-
- GNUNET_assert (NULL != handle->name);
handle->add_qe = GNUNET_NAMESTORE_records_store (handle->ns_handle,
&handle->zone_pkey,
- handle->name,
- handle->rd_count,
+ handle->json_data->name,
+ GNUNET_REST_NAMESTORE_RD_COUNT,
handle->rd,
&create_finished,
handle);
}
-static void
-del_finished (void *cls,
- int32_t success,
- const char *emsg)
-{
- struct RequestHandle *handle = cls;
-
- handle->add_qe = NULL;
- if (GNUNET_NO == success)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _("Deleting record failed, record does not exist%s%s\n"),
- (NULL != emsg) ? ": " : "",
- (NULL != emsg) ? emsg : "");
- GNUNET_SCHEDULER_add_now (&do_error, handle); //do_not_found TODO
- return;
- }
- if (GNUNET_SYSERR == success)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _("Deleting record failed%s%s\n"),
- (NULL != emsg) ? ": " : "",
- (NULL != emsg) ? emsg : "");
- GNUNET_SCHEDULER_add_now (&do_error, handle);
- return;
- }
- handle->proc (handle->proc_cls,
- GNUNET_REST_create_response (NULL),
- MHD_HTTP_NO_CONTENT);
- GNUNET_SCHEDULER_add_now (&cleanup_handle_delayed, handle);
-}
-
-
-static void
-del_cont (void *cls,
- const struct GNUNET_CRYPTO_EcdsaPrivateKey *zone,
- const char *label,
- unsigned int rd_count,
- const struct GNUNET_GNSRECORD_Data *rd)
-{
- struct RequestHandle *handle = cls;
-
- handle->add_qe = NULL;
- if (0 == rd_count)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _("There are no records under label `%s' that could be deleted.\n"),
- label);
- do_error (handle);
- return;
- }
-
- handle->add_qe = GNUNET_NAMESTORE_records_store (handle->ns_handle,
- &handle->zone_pkey,
- handle->name,
- 0, NULL,
- &del_finished,
- handle);
-}
-
-
-static void
-namestore_delete_cont (struct GNUNET_REST_RequestHandle *con,
- const char *url,
- void *cls)
-{
- struct RequestHandle *handle = cls;
-
- if (NULL == handle->name)
- {
- GNUNET_SCHEDULER_add_now (&do_error, handle);
- return;
- }
-
- handle->add_qe = GNUNET_NAMESTORE_records_lookup (handle->ns_handle,
- &handle->zone_pkey,
- handle->name,
- &do_error,
- handle,
- &del_cont,
- handle);
-}
-
-
-static int
-json_to_gnsrecord (const json_t *records_json,
- struct GNUNET_GNSRECORD_Data **rd,
- unsigned int *rd_count)
-{
- struct GNUNET_TIME_Relative etime_rel;
- struct GNUNET_TIME_Absolute etime_abs;
- char *value;
- void *rdata;
- size_t rdata_size;
- const char *typestring;
- const char *expirationstring;
- json_t *type_json;
- json_t *value_json;
- json_t *record_json;
- json_t *exp_json;
-
- *rd_count = json_array_size (records_json);
- *rd = GNUNET_new_array (*rd_count,
- struct GNUNET_GNSRECORD_Data);
- for (unsigned int i = 0; i < *rd_count; i++)
- {
- memset (&(*rd)[i],
- 0,
- sizeof (struct GNUNET_GNSRECORD_Data));
- record_json = json_array_get (records_json,
- i);
- type_json = json_object_get (record_json,
- GNUNET_REST_JSONAPI_NAMESTORE_RECORD_TYPE);
- if (! json_is_string (type_json))
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Type property is no string\n");
- return GNUNET_SYSERR;
- }
- typestring = json_string_value (type_json);
- (*rd)[i].record_type = GNUNET_GNSRECORD_typename_to_number (typestring);
- if (UINT32_MAX == (*rd)[i].record_type)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR, _("Unsupported type `%s'\n"),
- json_string_value (type_json));
- return GNUNET_SYSERR;
- }
- value_json = json_object_get (record_json,
- GNUNET_REST_JSONAPI_NAMESTORE_VALUE);
- if (! json_is_string (value_json))
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Value property is no string\n");
- return GNUNET_SYSERR;
- }
- value = GNUNET_strdup (json_string_value (value_json));
- if (GNUNET_OK !=
- GNUNET_GNSRECORD_string_to_value ((*rd)[i].record_type,
- value,
- &rdata,
- &rdata_size))
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _("Value `%s' invalid for record type `%s'\n"),
- value,
- typestring);
- return GNUNET_SYSERR;
- }
- (*rd)[i].data = rdata;
- (*rd)[i].data_size = rdata_size;
- /**TODO
- * if (1 == handle->is_shadow)
- rde->flags |= GNUNET_GNSRECORD_RF_SHADOW_RECORD;
- if (1 != handle->is_public)
- rde->flags |= GNUNET_GNSRECORD_RF_PRIVATE;
- */
- exp_json = json_object_get (record_json,
- GNUNET_REST_JSONAPI_NAMESTORE_EXPIRATION);
- if (! json_is_string (exp_json))
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Expiration property is no string\n");
- return GNUNET_SYSERR;
- }
- expirationstring = json_string_value (exp_json);
- if (0 == strcmp (expirationstring, "never"))
- {
- (*rd)[i].expiration_time = GNUNET_TIME_UNIT_FOREVER_ABS.abs_value_us;
- }
- else if (GNUNET_OK ==
- GNUNET_STRINGS_fancy_time_to_relative (expirationstring,
- &etime_rel))
- {
- (*rd)[i].expiration_time = etime_rel.rel_value_us;
- (*rd)[i].flags |= GNUNET_GNSRECORD_RF_RELATIVE_EXPIRATION;
- }
- else if (GNUNET_OK ==
- GNUNET_STRINGS_fancy_time_to_absolute (expirationstring,
- &etime_abs))
- {
- (*rd)[i].expiration_time = etime_abs.abs_value_us;
- }
- else
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _("Value `%s' invalid for record type `%s'\n"),
- value,
- typestring);
- return GNUNET_SYSERR;
- }
- }
- return GNUNET_OK;
-}
-
-
-static void
-namestore_create_cont (struct GNUNET_REST_RequestHandle *con,
- const char *url,
- void *cls)
+/**
+ * Handle namestore POST request
+ *
+ * @param con_handle the connection handle
+ * @param url the url
+ * @param cls the RequestHandle
+ */
+void
+namestore_add (struct GNUNET_REST_RequestHandle *con_handle,
+ const char* url,
+ void *cls)
{
struct RequestHandle *handle = cls;
- struct MHD_Response *resp;
- struct GNUNET_JSONAPI_Document *json_obj;
- struct GNUNET_JSONAPI_Resource *json_res;
- json_t *records_json;
json_t *data_js;
json_error_t err;
- char term_data[handle->rest_handle->data_size+1];
- struct GNUNET_JSON_Specification docspec[] = {
- GNUNET_JSON_spec_jsonapi_document (&json_obj),
- GNUNET_JSON_spec_end()
- };
+ char term_data[handle->rest_handle->data_size + 1];
if (strlen (GNUNET_REST_API_NS_NAMESTORE) != strlen (handle->url))
{
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Cannot create under %s\n", handle->url);
+ handle->emsg = GNUNET_strdup("Wrong URL");
GNUNET_SCHEDULER_add_now (&do_error, handle);
return;
}
if (0 >= handle->rest_handle->data_size)
{
+ handle->emsg = GNUNET_strdup("No data");
GNUNET_SCHEDULER_add_now (&do_error, handle);
return;
}
term_data[handle->rest_handle->data_size] = '\0';
- GNUNET_memcpy (term_data,
- handle->rest_handle->data,
- handle->rest_handle->data_size);
- data_js = json_loads (term_data,
- JSON_DECODE_ANY,
- &err);
- GNUNET_assert (GNUNET_OK ==
- GNUNET_JSON_parse (data_js, docspec,
- NULL, NULL));
- json_decref (data_js);
- if (NULL == json_obj)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Unable to parse JSONAPI Object from %s\n",
- term_data);
- GNUNET_SCHEDULER_add_now (&do_error, handle);
- return;
- }
- if (1 != GNUNET_JSONAPI_document_resource_count (json_obj))
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Cannot create more than 1 resource! (Got %d)\n",
- GNUNET_JSONAPI_document_resource_count (json_obj));
- GNUNET_JSONAPI_document_delete (json_obj);
- GNUNET_SCHEDULER_add_now (&do_error, handle);
- return;
- }
- json_res = GNUNET_JSONAPI_document_get_resource (json_obj, 0);
- if (GNUNET_NO == GNUNET_JSONAPI_resource_check_type (json_res,
- GNUNET_REST_JSONAPI_NAMESTORE_RECORD))
+ GNUNET_memcpy(term_data, handle->rest_handle->data,
+ handle->rest_handle->data_size);
+ data_js = json_loads (term_data, JSON_DECODE_ANY, &err);
+ GNUNET_REST_JSON_parse(&handle->json_data, data_js);
+ if(NULL == handle->json_data)
{
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Unsupported JSON data type\n");
- GNUNET_JSONAPI_document_delete (json_obj);
- resp = GNUNET_REST_create_response (NULL);
- handle->proc (handle->proc_cls, resp, MHD_HTTP_CONFLICT);
- cleanup_handle (handle);
- return;
- }
- handle->name = GNUNET_strdup (GNUNET_JSONAPI_resource_get_id (json_res));
- records_json = GNUNET_JSONAPI_resource_read_attr (json_res,
- GNUNET_REST_JSONAPI_NAMESTORE_RECORD);
- if (NULL == records_json)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "No records given\n");
- GNUNET_JSONAPI_document_delete (json_obj);
+ handle->emsg = GNUNET_strdup("Wrong data");
GNUNET_SCHEDULER_add_now (&do_error, handle);
return;
}
- if (GNUNET_SYSERR == json_to_gnsrecord (records_json, &handle->rd, &handle->rd_count))
+ if(GNUNET_SYSERR == check_needed_data(handle))
{
- GNUNET_JSONAPI_document_delete (json_obj);
+ json_decref (data_js);
GNUNET_SCHEDULER_add_now (&do_error, handle);
return;
}
- GNUNET_JSONAPI_document_delete (json_obj);
-
+ json_decref (data_js);
+ json_to_gnsrecord (handle);
handle->add_qe = GNUNET_NAMESTORE_records_lookup (handle->ns_handle,
- &handle->zone_pkey,
- handle->name,
- &do_error,
- handle,
- &create_new_record_cont,
- handle);
-}
-
-
-static void
-namestore_zkey_response (void *cls,
- const struct GNUNET_CRYPTO_EcdsaPrivateKey *zone,
- const char *label,
- unsigned int rd_count,
- const struct GNUNET_GNSRECORD_Data *rd)
-{
- struct RequestHandle *handle = cls;
- struct MHD_Response *resp;
- struct GNUNET_JSONAPI_Document *json_obj;
- struct GNUNET_JSONAPI_Resource *json_res;
- json_t *name_json;
- char* result;
-
- handle->reverse_qe = NULL;
- json_obj = GNUNET_JSONAPI_document_new ();
- if (NULL != label)
- {
- name_json = json_string (label);
- json_res = GNUNET_JSONAPI_resource_new (GNUNET_REST_JSONAPI_NAMESTORE_REVINFO,
- handle->zkey_str);
- GNUNET_JSONAPI_resource_add_attr (json_res,
- GNUNET_REST_JSONAPI_NAMESTORE_NAME,
- name_json);
- GNUNET_JSONAPI_document_resource_add (json_obj, json_res);
- json_decref (name_json);
- }
- //Handle response
- if (GNUNET_SYSERR == GNUNET_JSONAPI_document_serialize (json_obj, &result))
- {
- GNUNET_JSONAPI_document_delete (json_obj);
- GNUNET_SCHEDULER_add_now (&do_error, handle);
- return;
- }
- resp = GNUNET_REST_create_response (result);
- handle->proc (handle->proc_cls, resp, MHD_HTTP_OK);
- GNUNET_JSONAPI_document_delete (json_obj);
- GNUNET_free (result);
- GNUNET_SCHEDULER_add_now (&cleanup_handle_delayed, handle);
-}
-
-
-static void
-namestore_zkey_cont (struct GNUNET_REST_RequestHandle *con,
- const char *url,
- void *cls)
-{
- struct RequestHandle *handle = cls;
- struct GNUNET_HashCode key;
- struct GNUNET_CRYPTO_EcdsaPublicKey pubkey;
-
- GNUNET_CRYPTO_hash (GNUNET_REST_JSONAPI_NAMESTORE_ZKEY,
- strlen (GNUNET_REST_JSONAPI_NAMESTORE_ZKEY),
- &key);
- if ( GNUNET_NO ==
- GNUNET_CONTAINER_multihashmap_contains (handle->rest_handle->url_param_map,
- &key) )
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "No zkey given %s\n", handle->url);
- GNUNET_SCHEDULER_add_now (&do_error, handle);
- return;
- }
- handle->zkey_str = GNUNET_CONTAINER_multihashmap_get (handle->rest_handle->url_param_map,
- &key);
- if ((NULL == handle->zkey_str) ||
- (GNUNET_OK !=
- GNUNET_CRYPTO_ecdsa_public_key_from_string (handle->zkey_str,
- strlen (handle->zkey_str),
- &pubkey)))
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Zkey invalid %s\n", handle->zkey_str);
- GNUNET_SCHEDULER_add_now (&do_error, handle);
- return;
- }
- handle->reverse_qe = GNUNET_NAMESTORE_zone_to_name (handle->ns_handle,
- &handle->zone_pkey,
- &pubkey,
- &do_error,
- handle,
- &namestore_zkey_response,
- handle);
+ &handle->zone_pkey,
+ handle->json_data->name,
+ &do_error,
+ handle,
+ &create_new_record_cont,
+ handle);
}
-static void
-namestore_info_cont (struct GNUNET_REST_RequestHandle *con,
- const char *url,
- void *cls)
+/**
+ * Handle namestore DELETE request
+ *
+ * @param con_handle the connection handle
+ * @param url the url
+ * @param cls the RequestHandle
+ */
+void
+namestore_delete (struct GNUNET_REST_RequestHandle *con_handle,
+ const char* url,
+ void *cls)
{
struct RequestHandle *handle = cls;
-
- handle->list_it = GNUNET_NAMESTORE_zone_iteration_start (handle->ns_handle,
- &handle->zone_pkey,
- &do_error,
- handle,
- &namestore_list_response,
- handle,
- &namestore_list_finished,
- handle);
+
+ //TODO add behaviour and response
+
+ handle->emsg = GNUNET_strdup ("Not implemented yet");
+ GNUNET_SCHEDULER_add_now (&do_error, handle);
+ return;
}
-static char*
-get_name_from_url (const char* url)
-{
- if (strlen (url) <= strlen (GNUNET_REST_API_NS_NAMESTORE))
- return NULL;
- return (char*)url + strlen (GNUNET_REST_API_NS_NAMESTORE) + 1;
-}
/**
* Respond to OPTIONS request
struct MHD_Response *resp;
struct RequestHandle *handle = cls;
- //For now, independent of path return all options
+ //independent of path return all options
resp = GNUNET_REST_create_response (NULL);
MHD_add_response_header (resp,
"Access-Control-Allow-Methods",
allow_methods);
handle->proc (handle->proc_cls, resp, MHD_HTTP_OK);
cleanup_handle (handle);
+ return;
}
/**
- * Callback invoked from identity service with ego information.
- * An @a ego of NULL means the ego was not found.
+ * Handle rest request
*
- * @param cls closure with the configuration
- * @param ego an ego known to identity service, or NULL
+ * @param handle the request handle
*/
static void
-identity_cb (void *cls,
- const struct GNUNET_IDENTITY_Ego *ego)
+init_cont (struct RequestHandle *handle)
{
- struct RequestHandle *handle = cls;
- struct MHD_Response *resp;
+ //TODO specify parameter of init_cont if necessary
struct GNUNET_REST_RequestHandlerError err;
static const struct GNUNET_REST_RequestHandler handlers[] = {
- {MHD_HTTP_METHOD_GET, GNUNET_REST_API_NS_NAMESTORE_ZKEY, &namestore_zkey_cont}, //reverse
- {MHD_HTTP_METHOD_GET, GNUNET_REST_API_NS_NAMESTORE, &namestore_info_cont}, //list
- {MHD_HTTP_METHOD_POST, GNUNET_REST_API_NS_NAMESTORE, &namestore_create_cont}, //create
- // {MHD_HTTP_METHOD_PUT, GNUNET_REST_API_NS_NAMESTORE, &namestore_edit_cont}, //update. TODO this shoul be PATCH
- {MHD_HTTP_METHOD_DELETE, GNUNET_REST_API_NS_NAMESTORE, &namestore_delete_cont}, //delete
+ {MHD_HTTP_METHOD_GET, GNUNET_REST_API_NS_NAMESTORE, &namestore_get},
+ {MHD_HTTP_METHOD_POST, GNUNET_REST_API_NS_NAMESTORE, &namestore_add},
+ {MHD_HTTP_METHOD_DELETE, GNUNET_REST_API_NS_NAMESTORE, &namestore_delete},
{MHD_HTTP_METHOD_OPTIONS, GNUNET_REST_API_NS_NAMESTORE, &options_cont},
GNUNET_REST_HANDLER_END
};
- handle->ego_lookup = NULL;
- if (NULL == ego)
- {
- if (NULL != handle->ego_name)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _("Ego `%s' not known to identity service\n"),
- handle->ego_name);
- }
- resp = GNUNET_REST_create_response (NULL);
- handle->proc (handle->proc_cls, resp, MHD_HTTP_NOT_FOUND);
- cleanup_handle (handle);
- return;
- }
- handle->zone_pkey = *GNUNET_IDENTITY_ego_get_private_key (ego);
- handle->ns_handle = GNUNET_NAMESTORE_connect (cfg);
- if (NULL == handle->ns_handle)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _("Failed to connect to namestore\n"));
- GNUNET_SCHEDULER_add_now (&do_error, handle);
- return;
- }
-
- if (GNUNET_OK !=
- GNUNET_JSONAPI_handle_request (handle->rest_handle,
- handlers,
- &err,
- handle))
+ if (GNUNET_NO == GNUNET_REST_handle_request (handle->rest_handle,
+ handlers,
+ &err,
+ handle))
{
handle->response_code = err.error_code;
- GNUNET_SCHEDULER_add_now (&do_error,
- (void *) handle);
+ GNUNET_SCHEDULER_add_now (&do_error, handle);
}
}
-
+/**
+ *
+ */
static void
default_ego_cb (void *cls,
struct GNUNET_IDENTITY_Ego *ego,
const char *name)
{
struct RequestHandle *handle = cls;
- struct MHD_Response *resp;
- handle->get_default = NULL;
+ struct EgoEntry *ego_entry;
+ struct GNUNET_CRYPTO_EcdsaPublicKey pk;
+
+ handle->op = NULL;
+
if (NULL == ego)
{
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _("No default ego configured in identity service\n"));
- resp = GNUNET_REST_create_response (NULL);
- handle->proc (handle->proc_cls, resp, MHD_HTTP_NOT_FOUND);
- cleanup_handle (handle);
+ handle->emsg = GNUNET_strdup ("No default ego configured in identity service");
+ GNUNET_SCHEDULER_add_now (&do_error, handle);
return;
}
- else
- {
- identity_cb (cls, ego);
- }
+ ego_entry = GNUNET_new(struct EgoEntry);
+ GNUNET_IDENTITY_ego_get_public_key (ego, &pk);
+ ego_entry->keystring = GNUNET_CRYPTO_ecdsa_public_key_to_string (&pk);
+ ego_entry->identifier = name;
+ ego_entry->ego = ego;
+ handle->ego_entry = ego_entry;
+ handle->zone_pkey = *GNUNET_IDENTITY_ego_get_private_key (ego);
+ init_cont (handle);
}
+
+/**
+ * Connect to identity callback
+ */
static void
id_connect_cb (void *cls,
struct GNUNET_IDENTITY_Ego *ego,
struct RequestHandle *handle = cls;
if (NULL == ego)
{
- handle->get_default = GNUNET_IDENTITY_get (handle->identity_handle,
- "namestore",
- &default_ego_cb, handle);
+ handle->op = GNUNET_IDENTITY_get (handle->identity_handle,
+ GNUNET_REST_SUBSYSTEM_NAMESTORE,
+ &default_ego_cb,
+ handle);
}
}
* @param data_size length of the body
* @param proc callback function for the result
* @param proc_cls closure for callback function
- * @return #GNUNET_OK if request accepted
+ * @return GNUNET_OK if request accepted
*/
static void
-rest_identity_process_request(struct GNUNET_REST_RequestHandle *rest_handle,
+rest_process_request(struct GNUNET_REST_RequestHandle *rest_handle,
GNUNET_REST_ResultProcessor proc,
void *proc_cls)
{
struct RequestHandle *handle = GNUNET_new (struct RequestHandle);
- struct MHD_Response *resp;
- struct GNUNET_HashCode key;
- char *ego;
- char *name;
- char *type;
-
+
+ handle->response_code = 0;
handle->timeout = GNUNET_TIME_UNIT_FOREVER_REL;
handle->proc_cls = proc_cls;
handle->proc = proc;
handle->rest_handle = rest_handle;
+
handle->url = GNUNET_strdup (rest_handle->url);
if (handle->url[strlen (handle->url)-1] == '/')
handle->url[strlen (handle->url)-1] = '\0';
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Connecting...\n");
- handle->cfg = cfg;
- ego = NULL;
- GNUNET_CRYPTO_hash (GNUNET_REST_JSONAPI_NAMESTORE_EGO,
- strlen (GNUNET_REST_JSONAPI_NAMESTORE_EGO),
- &key);
- if ( GNUNET_YES ==
- GNUNET_CONTAINER_multihashmap_contains (handle->rest_handle->url_param_map,
- &key) )
- {
- ego = GNUNET_CONTAINER_multihashmap_get (handle->rest_handle->url_param_map,
- &key);
- }
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Connecting...\n");
- handle->type = GNUNET_GNSRECORD_TYPE_ANY;
- GNUNET_CRYPTO_hash (GNUNET_REST_JSONAPI_NAMESTORE_RECORD_TYPE,
- strlen (GNUNET_REST_JSONAPI_NAMESTORE_RECORD_TYPE),
- &key);
- if ( GNUNET_YES ==
- GNUNET_CONTAINER_multihashmap_contains (handle->rest_handle->url_param_map,
- &key) )
- {
- type = GNUNET_CONTAINER_multihashmap_get (handle->rest_handle->url_param_map,
- &key);
- if (NULL != type)
- handle->type = GNUNET_GNSRECORD_typename_to_number (type);
- }
- name = get_name_from_url (handle->url);
- if (NULL != ego)
- handle->ego_name = GNUNET_strdup (ego);
- if (NULL != name)
- handle->name = GNUNET_strdup (name);
- if (NULL == handle->ego_name)
- {
- handle->identity_handle = GNUNET_IDENTITY_connect (handle->cfg, &id_connect_cb, handle);
- if (NULL == handle->identity_handle)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR, _("Cannot connect to identity service\n"));
- resp = GNUNET_REST_create_response (NULL);
- handle->proc (handle->proc_cls, resp, MHD_HTTP_NOT_FOUND);
- cleanup_handle (handle);
- }
- return;
- }
- handle->ego_lookup = GNUNET_IDENTITY_ego_lookup (cfg,
- handle->ego_name,
- &identity_cb,
- handle);
- handle->timeout_task = GNUNET_SCHEDULER_add_delayed (handle->timeout,
- &do_timeout,
- handle);
+ handle->identity_handle = GNUNET_IDENTITY_connect (cfg, &id_connect_cb, handle);
+ handle->ns_handle = GNUNET_NAMESTORE_connect (cfg);
+ handle->timeout_task =
+ GNUNET_SCHEDULER_add_delayed (handle->timeout,
+ &do_error,
+ handle);
+
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Connected\n");
}
+
/**
* Entry point for the plugin.
*
libgnunet_plugin_rest_namestore_init (void *cls)
{
static struct Plugin plugin;
- cfg = cls;
struct GNUNET_REST_Plugin *api;
+ cfg = cls;
if (NULL != plugin.cfg)
return NULL; /* can only initialize once! */
memset (&plugin, 0, sizeof (struct Plugin));
api = GNUNET_new (struct GNUNET_REST_Plugin);
api->cls = &plugin;
api->name = GNUNET_REST_API_NS_NAMESTORE;
- api->process_request = &rest_identity_process_request;
+ api->process_request = &rest_process_request;
GNUNET_asprintf (&allow_methods,
"%s, %s, %s, %s, %s",
MHD_HTTP_METHOD_GET,
MHD_HTTP_METHOD_PUT,
MHD_HTTP_METHOD_DELETE,
MHD_HTTP_METHOD_OPTIONS);
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
_("Namestore REST API initialized\n"));
return api;
}
{
struct GNUNET_REST_Plugin *api = cls;
struct Plugin *plugin = api->cls;
-
plugin->cfg = NULL;
- GNUNET_free (api);
+
GNUNET_free_non_null (allow_methods);
+ GNUNET_free (api);
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Namestore REST plugin is finished\n");
return NULL;
}
/* end of plugin_rest_namestore.c */
+
--- /dev/null
+/*
+ This file is part of GNUnet.
+ Copyright (C) 2012-2015 GNUnet e.V.
+
+ GNUnet is free software: you can redistribute it and/or modify it
+ under the terms of the GNU Affero General Public License as published
+ by the Free Software Foundation, either version 3 of the License,
+ or (at your option) any later version.
+
+ GNUnet 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
+ Affero General Public License for more details.
+
+ You should have received a copy of the GNU Affero General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+/**
+ * @author Martin Schanzenbach
+ * @file namestore/plugin_rest_namestore.c
+ * @brief GNUnet Namestore REST plugin
+ *
+ */
+
+#include "platform.h"
+#include "gnunet_rest_plugin.h"
+#include "gnunet_gns_service.h"
+#include "gnunet_namestore_service.h"
+#include "gnunet_identity_service.h"
+#include "gnunet_rest_lib.h"
+#include "gnunet_jsonapi_lib.h"
+#include "gnunet_jsonapi_util.h"
+#include "microhttpd.h"
+#include <jansson.h>
+
+#define GNUNET_REST_API_NS_NAMESTORE "/names"
+
+#define GNUNET_REST_API_NS_NAMESTORE_ZKEY "/names/zkey"
+
+#define GNUNET_REST_JSONAPI_NAMESTORE_TYPEINFO "record"
+
+#define GNUNET_REST_JSONAPI_NAMESTORE_NAME "name"
+
+#define GNUNET_REST_JSONAPI_NAMESTORE_REVINFO "revinfo"
+
+#define GNUNET_REST_JSONAPI_NAMESTORE_RECORD GNUNET_REST_JSONAPI_NAMESTORE_TYPEINFO
+
+#define GNUNET_REST_JSONAPI_NAMESTORE_RECORD_TYPE "record_type"
+
+#define GNUNET_REST_JSONAPI_NAMESTORE_VALUE "value"
+
+#define GNUNET_REST_JSONAPI_NAMESTORE_PUBLIC "public"
+
+#define GNUNET_REST_JSONAPI_NAMESTORE_SHADOW "shadow"
+
+#define GNUNET_REST_JSONAPI_NAMESTORE_PKEY "pkey"
+
+#define GNUNET_REST_JSONAPI_NAMESTORE_ZKEY "zkey"
+
+#define GNUNET_REST_JSONAPI_NAMESTORE_EXPIRATION "expiration"
+
+#define GNUNET_REST_JSONAPI_NAMESTORE_EGO "ego"
+
+/**
+ * @brief struct returned by the initialization function of the plugin
+ */
+struct Plugin
+{
+ const struct GNUNET_CONFIGURATION_Handle *cfg;
+};
+
+
+/**
+ * HTTP methods allows for this plugin
+ */
+static char* allow_methods;
+
+const struct GNUNET_CONFIGURATION_Handle *cfg;
+
+struct RecordEntry
+{
+ /**
+ * DLL
+ */
+ struct RecordEntry *next;
+
+ /**
+ * DLL
+ */
+ struct RecordEntry *prev;
+
+};
+
+struct RequestHandle
+{
+ /**
+ * Ego list
+ */
+ struct RecordEntry *record_head;
+
+ /**
+ * Ego list
+ */
+ struct record_entry *record_tail;
+
+ /**
+ * JSON response object
+ */
+ struct GNUNET_JSONAPI_Document *resp_object;
+
+ /**
+ * Rest connection
+ */
+ struct GNUNET_REST_RequestHandle *rest_handle;
+
+ /**
+ * Handle to GNS service.
+ */
+ struct GNUNET_IDENTITY_Handle *identity_handle;
+
+ /**
+ * Handle to NAMESTORE
+ */
+ struct GNUNET_NAMESTORE_Handle *ns_handle;
+
+ /**
+ * Handle to NAMESTORE it
+ */
+ struct GNUNET_NAMESTORE_ZoneIterator *list_it;
+
+ /**
+ * Private key for the zone
+ */
+ struct GNUNET_CRYPTO_EcdsaPrivateKey zone_pkey;
+
+ /**
+ * Handle to identity lookup
+ */
+ struct GNUNET_IDENTITY_EgoLookup *ego_lookup;
+
+ /**
+ * Default Ego operation
+ */
+ struct GNUNET_IDENTITY_Operation *get_default;
+
+ /**
+ * Name of the ego
+ */
+ char *ego_name;
+
+ /**
+ * Record is public
+ */
+ int is_public;
+
+ /**
+ * Shadow record
+ */
+ int is_shadow;
+
+ /**
+ * Name of the record to modify
+ */
+ char *name;
+
+ /**
+ * Value of the record
+ */
+ char *value;
+
+ /**
+ * Zkey string
+ */
+ const char* zkey_str;
+
+ /**
+ * record type
+ */
+ uint32_t type;
+
+ /**
+ * Records to store
+ */
+ struct GNUNET_GNSRECORD_Data *rd;
+
+ /**
+ * record count
+ */
+ unsigned int rd_count;
+
+ /**
+ * NAMESTORE Operation
+ */
+ struct GNUNET_NAMESTORE_QueueEntry *add_qe;
+
+ /**
+ * NAMESTORE Operation
+ */
+ struct GNUNET_NAMESTORE_QueueEntry *reverse_qe;
+
+ /**
+ * Desired timeout for the lookup (default is no timeout).
+ */
+ struct GNUNET_TIME_Relative timeout;
+
+ /**
+ * ID of a task associated with the resolution process.
+ */
+ struct GNUNET_SCHEDULER_Task * timeout_task;
+
+ /**
+ * The plugin result processor
+ */
+ GNUNET_REST_ResultProcessor proc;
+
+ /**
+ * The closure of the result processor
+ */
+ void *proc_cls;
+
+ /**
+ * The url
+ */
+ char *url;
+
+ /**
+ * Cfg
+ */
+ const struct GNUNET_CONFIGURATION_Handle *cfg;
+
+ /**
+ * HTTP response code
+ */
+ int response_code;
+
+};
+
+
+/**
+ * Cleanup lookup handle
+ *
+ * @param handle Handle to clean up
+ */
+static void
+cleanup_handle (struct RequestHandle *handle)
+{
+ struct RecordEntry *record_entry;
+ struct RecordEntry *record_tmp;
+
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Cleaning up\n");
+ if (NULL != handle->resp_object)
+ GNUNET_JSONAPI_document_delete (handle->resp_object);
+ if (NULL != handle->name)
+ GNUNET_free (handle->name);
+ if (NULL != handle->timeout_task)
+ GNUNET_SCHEDULER_cancel (handle->timeout_task);
+ if (NULL != handle->ego_lookup)
+ GNUNET_IDENTITY_ego_lookup_cancel (handle->ego_lookup);
+ if (NULL != handle->get_default)
+ GNUNET_IDENTITY_cancel (handle->get_default);
+ if (NULL != handle->list_it)
+ GNUNET_NAMESTORE_zone_iteration_stop (handle->list_it);
+ if (NULL != handle->add_qe)
+ GNUNET_NAMESTORE_cancel (handle->add_qe);
+ if (NULL != handle->identity_handle)
+ GNUNET_IDENTITY_disconnect (handle->identity_handle);
+ if (NULL != handle->ns_handle)
+ GNUNET_NAMESTORE_disconnect (handle->ns_handle);
+ if (NULL != handle->url)
+ GNUNET_free (handle->url);
+ if (NULL != handle->value)
+ GNUNET_free (handle->value);
+ if (NULL != handle->rd)
+ {
+ for (unsigned int i = 0; i < handle->rd_count; i++)
+ {
+ if (NULL != handle->rd[i].data)
+ GNUNET_free ((void*)handle->rd[i].data);
+ }
+ GNUNET_free (handle->rd);
+ }
+ if (NULL != handle->ego_name)
+ GNUNET_free (handle->ego_name);
+ for (record_entry = handle->record_head;
+ NULL != record_entry;)
+ {
+ record_tmp = record_entry;
+ record_entry = record_entry->next;
+ GNUNET_free (record_tmp);
+ }
+ GNUNET_free (handle);
+}
+
+
+/**
+ * Create json representation of a GNSRECORD
+ *
+ * @param rd the GNSRECORD_Data
+ */
+static json_t *
+gnsrecord_to_json (const struct GNUNET_GNSRECORD_Data *rd)
+{
+ const char *typename;
+ char *string_val;
+ const char *exp_str;
+ json_t *record_obj;
+
+ typename = GNUNET_GNSRECORD_number_to_typename (rd->record_type);
+ string_val = GNUNET_GNSRECORD_value_to_string (rd->record_type,
+ rd->data,
+ rd->data_size);
+
+ if (NULL == string_val)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Record of type %d malformed, skipping\n",
+ (int) rd->record_type);
+ return NULL;
+ }
+ record_obj = json_object();
+ json_object_set_new (record_obj,
+ GNUNET_REST_JSONAPI_NAMESTORE_RECORD_TYPE,
+ json_string (typename));
+ json_object_set_new (record_obj,
+ GNUNET_REST_JSONAPI_NAMESTORE_VALUE,
+ json_string (string_val));
+ GNUNET_free (string_val);
+
+ if (GNUNET_GNSRECORD_RF_RELATIVE_EXPIRATION & rd->flags)
+ {
+ struct GNUNET_TIME_Relative time_rel;
+ time_rel.rel_value_us = rd->expiration_time;
+ exp_str = GNUNET_STRINGS_relative_time_to_string (time_rel, 1);
+ }
+ else
+ {
+ struct GNUNET_TIME_Absolute time_abs;
+ time_abs.abs_value_us = rd->expiration_time;
+ exp_str = GNUNET_STRINGS_absolute_time_to_string (time_abs);
+ }
+ json_object_set_new (record_obj, GNUNET_REST_JSONAPI_NAMESTORE_EXPIRATION, json_string (exp_str));
+
+ json_object_set_new (record_obj, "expired",
+ json_boolean (GNUNET_YES == GNUNET_GNSRECORD_is_expired (rd)));
+ return record_obj;
+}
+
+
+/**
+ * Task run on error. Generates error response and cleans up.
+ *
+ * @param cls the request to generate an error response for
+ */
+static void
+do_error (void *cls)
+{
+ struct RequestHandle *handle = cls;
+ struct MHD_Response *resp = GNUNET_REST_create_response (NULL);
+
+ handle->proc (handle->proc_cls, resp, handle->response_code);
+ cleanup_handle (handle);
+}
+
+
+/**
+ * Task run on timeout.
+ *
+ * @param cls the request to time out
+ */
+static void
+do_timeout (void *cls)
+{
+ struct RequestHandle *handle = cls;
+
+ handle->timeout_task = NULL;
+ do_error (handle);
+}
+
+
+static void
+cleanup_handle_delayed (void *cls)
+{
+ cleanup_handle (cls);
+}
+
+
+/**
+ * Iteration over all results finished, build final
+ * response.
+ *
+ * @param cls the `struct RequestHandle`
+ */
+static void
+namestore_list_finished (void *cls)
+{
+ struct RequestHandle *handle = cls;
+ char *result;
+ struct MHD_Response *resp;
+
+ handle->list_it = NULL;
+ if (NULL == handle->resp_object)
+ handle->resp_object = GNUNET_JSONAPI_document_new ();
+
+ if (GNUNET_SYSERR ==
+ GNUNET_JSONAPI_document_serialize (handle->resp_object,
+ &result))
+ {
+ handle->response_code = MHD_HTTP_INTERNAL_SERVER_ERROR;
+ GNUNET_SCHEDULER_add_now (&do_error,
+ handle);
+ return;
+ }
+ resp = GNUNET_REST_create_response (result);
+ handle->proc (handle->proc_cls,
+ resp,
+ MHD_HTTP_OK);
+ GNUNET_free_non_null (result);
+ GNUNET_SCHEDULER_add_now (&cleanup_handle_delayed,
+ handle);
+}
+
+
+
+/**
+ * Create a response with requested records
+ *
+ * @param handle the RequestHandle
+ */
+static void
+namestore_list_response (void *cls,
+ const struct GNUNET_CRYPTO_EcdsaPrivateKey *zone_key,
+ const char *rname,
+ unsigned int rd_len,
+ const struct GNUNET_GNSRECORD_Data *rd)
+{
+ struct RequestHandle *handle = cls;
+ struct GNUNET_JSONAPI_Resource *json_resource;
+ json_t *result_array;
+ json_t *record_obj;
+
+ if (NULL == handle->resp_object)
+ handle->resp_object = GNUNET_JSONAPI_document_new ();
+
+ if ( (NULL != handle->name) &&
+ (0 != strcmp (handle->name,
+ rname)) )
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "%s does not match %s\n",
+ rname,
+ handle->name);
+ GNUNET_NAMESTORE_zone_iterator_next (handle->list_it,
+ 1);
+ return;
+ }
+
+ result_array = json_array ();
+ for (unsigned int i=0; i<rd_len; i++)
+ {
+ if ( (GNUNET_GNSRECORD_TYPE_NICK == rd[i].record_type) &&
+ (0 != strcmp (rname, GNUNET_GNS_EMPTY_LABEL_AT)) )
+ continue;
+
+ if ( (rd[i].record_type != handle->type) &&
+ (GNUNET_GNSRECORD_TYPE_ANY != handle->type) )
+ continue;
+ record_obj = gnsrecord_to_json (&rd[i]);
+ json_array_append (result_array,
+ record_obj);
+ json_decref (record_obj);
+ }
+
+ if (0 < json_array_size(result_array))
+ {
+ json_resource = GNUNET_JSONAPI_resource_new (GNUNET_REST_JSONAPI_NAMESTORE_TYPEINFO,
+ rname);
+ GNUNET_JSONAPI_resource_add_attr (json_resource,
+ GNUNET_REST_JSONAPI_NAMESTORE_RECORD,
+ result_array);
+ GNUNET_JSONAPI_document_resource_add (handle->resp_object, json_resource);
+ }
+
+ json_decref (result_array);
+ GNUNET_NAMESTORE_zone_iterator_next (handle->list_it,
+ 1);
+}
+
+
+static void
+create_finished (void *cls, int32_t success, const char *emsg)
+{
+ struct RequestHandle *handle = cls;
+ struct MHD_Response *resp;
+
+ handle->add_qe = NULL;
+ if (GNUNET_YES != success)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Error storing records%s%s\n",
+ (NULL == emsg) ? "" : ": ",
+ (NULL == emsg) ? "" : emsg);
+ GNUNET_SCHEDULER_add_now (&cleanup_handle_delayed, handle);
+ return;
+ }
+ resp = GNUNET_REST_create_response (NULL);
+ handle->proc (handle->proc_cls, resp, MHD_HTTP_NO_CONTENT);
+ GNUNET_SCHEDULER_add_now (&cleanup_handle_delayed, handle);
+}
+
+
+/**
+ * We're storing a new record; this requires
+ * that no record already exists
+ *
+ * @param cls closure, unused
+ * @param zone_key private key of the zone
+ * @param rec_name name that is being mapped (at most 255 characters long)
+ * @param rd_count number of entries in @a rd array
+ * @param rd array of records with data to store
+ */
+static void
+create_new_record_cont (void *cls,
+ const struct GNUNET_CRYPTO_EcdsaPrivateKey *zone_key,
+ const char *rec_name,
+ unsigned int rd_count,
+ const struct GNUNET_GNSRECORD_Data *rd)
+{
+ struct RequestHandle *handle = cls;
+
+ handle->add_qe = NULL;
+ if (0 != strcmp (rec_name, handle->name))
+ {
+ GNUNET_break (0);
+ do_error (handle);
+ return;
+ }
+
+ if (0 != rd_count)
+ {
+ handle->proc (handle->proc_cls,
+ GNUNET_REST_create_response (NULL),
+ MHD_HTTP_CONFLICT);
+ GNUNET_SCHEDULER_add_now (&cleanup_handle_delayed, handle);
+ return;
+ }
+
+ GNUNET_assert (NULL != handle->name);
+ handle->add_qe = GNUNET_NAMESTORE_records_store (handle->ns_handle,
+ &handle->zone_pkey,
+ handle->name,
+ handle->rd_count,
+ handle->rd,
+ &create_finished,
+ handle);
+}
+
+
+static void
+del_finished (void *cls,
+ int32_t success,
+ const char *emsg)
+{
+ struct RequestHandle *handle = cls;
+
+ handle->add_qe = NULL;
+ if (GNUNET_NO == success)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ _("Deleting record failed, record does not exist%s%s\n"),
+ (NULL != emsg) ? ": " : "",
+ (NULL != emsg) ? emsg : "");
+ GNUNET_SCHEDULER_add_now (&do_error, handle); //do_not_found TODO
+ return;
+ }
+ if (GNUNET_SYSERR == success)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ _("Deleting record failed%s%s\n"),
+ (NULL != emsg) ? ": " : "",
+ (NULL != emsg) ? emsg : "");
+ GNUNET_SCHEDULER_add_now (&do_error, handle);
+ return;
+ }
+ handle->proc (handle->proc_cls,
+ GNUNET_REST_create_response (NULL),
+ MHD_HTTP_NO_CONTENT);
+ GNUNET_SCHEDULER_add_now (&cleanup_handle_delayed, handle);
+}
+
+
+static void
+del_cont (void *cls,
+ const struct GNUNET_CRYPTO_EcdsaPrivateKey *zone,
+ const char *label,
+ unsigned int rd_count,
+ const struct GNUNET_GNSRECORD_Data *rd)
+{
+ struct RequestHandle *handle = cls;
+
+ handle->add_qe = NULL;
+ if (0 == rd_count)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ _("There are no records under label `%s' that could be deleted.\n"),
+ label);
+ do_error (handle);
+ return;
+ }
+
+ handle->add_qe = GNUNET_NAMESTORE_records_store (handle->ns_handle,
+ &handle->zone_pkey,
+ handle->name,
+ 0, NULL,
+ &del_finished,
+ handle);
+}
+
+
+static void
+namestore_delete_cont (struct GNUNET_REST_RequestHandle *con,
+ const char *url,
+ void *cls)
+{
+ struct RequestHandle *handle = cls;
+
+ if (NULL == handle->name)
+ {
+ GNUNET_SCHEDULER_add_now (&do_error, handle);
+ return;
+ }
+
+ handle->add_qe = GNUNET_NAMESTORE_records_lookup (handle->ns_handle,
+ &handle->zone_pkey,
+ handle->name,
+ &do_error,
+ handle,
+ &del_cont,
+ handle);
+}
+
+
+static int
+json_to_gnsrecord (const json_t *records_json,
+ struct GNUNET_GNSRECORD_Data **rd,
+ unsigned int *rd_count)
+{
+ struct GNUNET_TIME_Relative etime_rel;
+ struct GNUNET_TIME_Absolute etime_abs;
+ char *value;
+ void *rdata;
+ size_t rdata_size;
+ const char *typestring;
+ const char *expirationstring;
+ json_t *type_json;
+ json_t *value_json;
+ json_t *record_json;
+ json_t *exp_json;
+
+ *rd_count = json_array_size (records_json);
+ *rd = GNUNET_new_array (*rd_count,
+ struct GNUNET_GNSRECORD_Data);
+ for (unsigned int i = 0; i < *rd_count; i++)
+ {
+ memset (&(*rd)[i],
+ 0,
+ sizeof (struct GNUNET_GNSRECORD_Data));
+ record_json = json_array_get (records_json,
+ i);
+ type_json = json_object_get (record_json,
+ GNUNET_REST_JSONAPI_NAMESTORE_RECORD_TYPE);
+ if (! json_is_string (type_json))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Type property is no string\n");
+ return GNUNET_SYSERR;
+ }
+ typestring = json_string_value (type_json);
+ (*rd)[i].record_type = GNUNET_GNSRECORD_typename_to_number (typestring);
+ if (UINT32_MAX == (*rd)[i].record_type)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR, _("Unsupported type `%s'\n"),
+ json_string_value (type_json));
+ return GNUNET_SYSERR;
+ }
+ value_json = json_object_get (record_json,
+ GNUNET_REST_JSONAPI_NAMESTORE_VALUE);
+ if (! json_is_string (value_json))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Value property is no string\n");
+ return GNUNET_SYSERR;
+ }
+ value = GNUNET_strdup (json_string_value (value_json));
+ if (GNUNET_OK !=
+ GNUNET_GNSRECORD_string_to_value ((*rd)[i].record_type,
+ value,
+ &rdata,
+ &rdata_size))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ _("Value `%s' invalid for record type `%s'\n"),
+ value,
+ typestring);
+ return GNUNET_SYSERR;
+ }
+ (*rd)[i].data = rdata;
+ (*rd)[i].data_size = rdata_size;
+ /**TODO
+ * if (1 == handle->is_shadow)
+ rde->flags |= GNUNET_GNSRECORD_RF_SHADOW_RECORD;
+ if (1 != handle->is_public)
+ rde->flags |= GNUNET_GNSRECORD_RF_PRIVATE;
+ */
+ exp_json = json_object_get (record_json,
+ GNUNET_REST_JSONAPI_NAMESTORE_EXPIRATION);
+ if (! json_is_string (exp_json))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Expiration property is no string\n");
+ return GNUNET_SYSERR;
+ }
+ expirationstring = json_string_value (exp_json);
+ if (0 == strcmp (expirationstring, "never"))
+ {
+ (*rd)[i].expiration_time = GNUNET_TIME_UNIT_FOREVER_ABS.abs_value_us;
+ }
+ else if (GNUNET_OK ==
+ GNUNET_STRINGS_fancy_time_to_relative (expirationstring,
+ &etime_rel))
+ {
+ (*rd)[i].expiration_time = etime_rel.rel_value_us;
+ (*rd)[i].flags |= GNUNET_GNSRECORD_RF_RELATIVE_EXPIRATION;
+ }
+ else if (GNUNET_OK ==
+ GNUNET_STRINGS_fancy_time_to_absolute (expirationstring,
+ &etime_abs))
+ {
+ (*rd)[i].expiration_time = etime_abs.abs_value_us;
+ }
+ else
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ _("Value `%s' invalid for record type `%s'\n"),
+ value,
+ typestring);
+ return GNUNET_SYSERR;
+ }
+ }
+ return GNUNET_OK;
+}
+
+
+static void
+namestore_create_cont (struct GNUNET_REST_RequestHandle *con,
+ const char *url,
+ void *cls)
+{
+ struct RequestHandle *handle = cls;
+ struct MHD_Response *resp;
+ struct GNUNET_JSONAPI_Document *json_obj;
+ struct GNUNET_JSONAPI_Resource *json_res;
+ json_t *records_json;
+ json_t *data_js;
+ json_error_t err;
+ char term_data[handle->rest_handle->data_size+1];
+ struct GNUNET_JSON_Specification docspec[] = {
+ GNUNET_JSON_spec_jsonapi_document (&json_obj),
+ GNUNET_JSON_spec_end()
+ };
+
+ if (strlen (GNUNET_REST_API_NS_NAMESTORE) != strlen (handle->url))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Cannot create under %s\n", handle->url);
+ GNUNET_SCHEDULER_add_now (&do_error, handle);
+ return;
+ }
+ if (0 >= handle->rest_handle->data_size)
+ {
+ GNUNET_SCHEDULER_add_now (&do_error, handle);
+ return;
+ }
+ term_data[handle->rest_handle->data_size] = '\0';
+ GNUNET_memcpy (term_data,
+ handle->rest_handle->data,
+ handle->rest_handle->data_size);
+ data_js = json_loads (term_data,
+ JSON_DECODE_ANY,
+ &err);
+ GNUNET_assert (GNUNET_OK ==
+ GNUNET_JSON_parse (data_js, docspec,
+ NULL, NULL));
+ json_decref (data_js);
+ if (NULL == json_obj)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Unable to parse JSONAPI Object from %s\n",
+ term_data);
+ GNUNET_SCHEDULER_add_now (&do_error, handle);
+ return;
+ }
+ if (1 != GNUNET_JSONAPI_document_resource_count (json_obj))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Cannot create more than 1 resource! (Got %d)\n",
+ GNUNET_JSONAPI_document_resource_count (json_obj));
+ GNUNET_JSONAPI_document_delete (json_obj);
+ GNUNET_SCHEDULER_add_now (&do_error, handle);
+ return;
+ }
+ json_res = GNUNET_JSONAPI_document_get_resource (json_obj, 0);
+ if (GNUNET_NO == GNUNET_JSONAPI_resource_check_type (json_res,
+ GNUNET_REST_JSONAPI_NAMESTORE_RECORD))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Unsupported JSON data type\n");
+ GNUNET_JSONAPI_document_delete (json_obj);
+ resp = GNUNET_REST_create_response (NULL);
+ handle->proc (handle->proc_cls, resp, MHD_HTTP_CONFLICT);
+ cleanup_handle (handle);
+ return;
+ }
+ handle->name = GNUNET_strdup (GNUNET_JSONAPI_resource_get_id (json_res));
+ records_json = GNUNET_JSONAPI_resource_read_attr (json_res,
+ GNUNET_REST_JSONAPI_NAMESTORE_RECORD);
+ if (NULL == records_json)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "No records given\n");
+ GNUNET_JSONAPI_document_delete (json_obj);
+ GNUNET_SCHEDULER_add_now (&do_error, handle);
+ return;
+ }
+ if (GNUNET_SYSERR == json_to_gnsrecord (records_json, &handle->rd, &handle->rd_count))
+ {
+ GNUNET_JSONAPI_document_delete (json_obj);
+ GNUNET_SCHEDULER_add_now (&do_error, handle);
+ return;
+ }
+ GNUNET_JSONAPI_document_delete (json_obj);
+
+ handle->add_qe = GNUNET_NAMESTORE_records_lookup (handle->ns_handle,
+ &handle->zone_pkey,
+ handle->name,
+ &do_error,
+ handle,
+ &create_new_record_cont,
+ handle);
+}
+
+
+static void
+namestore_zkey_response (void *cls,
+ const struct GNUNET_CRYPTO_EcdsaPrivateKey *zone,
+ const char *label,
+ unsigned int rd_count,
+ const struct GNUNET_GNSRECORD_Data *rd)
+{
+ struct RequestHandle *handle = cls;
+ struct MHD_Response *resp;
+ struct GNUNET_JSONAPI_Document *json_obj;
+ struct GNUNET_JSONAPI_Resource *json_res;
+ json_t *name_json;
+ char* result;
+
+ handle->reverse_qe = NULL;
+ json_obj = GNUNET_JSONAPI_document_new ();
+ if (NULL != label)
+ {
+ name_json = json_string (label);
+ json_res = GNUNET_JSONAPI_resource_new (GNUNET_REST_JSONAPI_NAMESTORE_REVINFO,
+ handle->zkey_str);
+ GNUNET_JSONAPI_resource_add_attr (json_res,
+ GNUNET_REST_JSONAPI_NAMESTORE_NAME,
+ name_json);
+ GNUNET_JSONAPI_document_resource_add (json_obj, json_res);
+ json_decref (name_json);
+ }
+ //Handle response
+ if (GNUNET_SYSERR == GNUNET_JSONAPI_document_serialize (json_obj, &result))
+ {
+ GNUNET_JSONAPI_document_delete (json_obj);
+ GNUNET_SCHEDULER_add_now (&do_error, handle);
+ return;
+ }
+ resp = GNUNET_REST_create_response (result);
+ handle->proc (handle->proc_cls, resp, MHD_HTTP_OK);
+ GNUNET_JSONAPI_document_delete (json_obj);
+ GNUNET_free (result);
+ GNUNET_SCHEDULER_add_now (&cleanup_handle_delayed, handle);
+}
+
+
+static void
+namestore_zkey_cont (struct GNUNET_REST_RequestHandle *con,
+ const char *url,
+ void *cls)
+{
+ struct RequestHandle *handle = cls;
+ struct GNUNET_HashCode key;
+ struct GNUNET_CRYPTO_EcdsaPublicKey pubkey;
+
+ GNUNET_CRYPTO_hash (GNUNET_REST_JSONAPI_NAMESTORE_ZKEY,
+ strlen (GNUNET_REST_JSONAPI_NAMESTORE_ZKEY),
+ &key);
+ if ( GNUNET_NO ==
+ GNUNET_CONTAINER_multihashmap_contains (handle->rest_handle->url_param_map,
+ &key) )
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "No zkey given %s\n", handle->url);
+ GNUNET_SCHEDULER_add_now (&do_error, handle);
+ return;
+ }
+ handle->zkey_str = GNUNET_CONTAINER_multihashmap_get (handle->rest_handle->url_param_map,
+ &key);
+ if ((NULL == handle->zkey_str) ||
+ (GNUNET_OK !=
+ GNUNET_CRYPTO_ecdsa_public_key_from_string (handle->zkey_str,
+ strlen (handle->zkey_str),
+ &pubkey)))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Zkey invalid %s\n", handle->zkey_str);
+ GNUNET_SCHEDULER_add_now (&do_error, handle);
+ return;
+ }
+ handle->reverse_qe = GNUNET_NAMESTORE_zone_to_name (handle->ns_handle,
+ &handle->zone_pkey,
+ &pubkey,
+ &do_error,
+ handle,
+ &namestore_zkey_response,
+ handle);
+}
+
+
+static void
+namestore_info_cont (struct GNUNET_REST_RequestHandle *con,
+ const char *url,
+ void *cls)
+{
+ struct RequestHandle *handle = cls;
+
+ handle->list_it = GNUNET_NAMESTORE_zone_iteration_start (handle->ns_handle,
+ &handle->zone_pkey,
+ &do_error,
+ handle,
+ &namestore_list_response,
+ handle,
+ &namestore_list_finished,
+ handle);
+}
+
+
+static char*
+get_name_from_url (const char* url)
+{
+ if (strlen (url) <= strlen (GNUNET_REST_API_NS_NAMESTORE))
+ return NULL;
+ return (char*)url + strlen (GNUNET_REST_API_NS_NAMESTORE) + 1;
+}
+
+/**
+ * Respond to OPTIONS request
+ *
+ * @param con_handle the connection handle
+ * @param url the url
+ * @param cls the RequestHandle
+ */
+static void
+options_cont (struct GNUNET_REST_RequestHandle *con_handle,
+ const char* url,
+ void *cls)
+{
+ struct MHD_Response *resp;
+ struct RequestHandle *handle = cls;
+
+ //For now, independent of path return all options
+ resp = GNUNET_REST_create_response (NULL);
+ MHD_add_response_header (resp,
+ "Access-Control-Allow-Methods",
+ allow_methods);
+ handle->proc (handle->proc_cls, resp, MHD_HTTP_OK);
+ cleanup_handle (handle);
+}
+
+
+/**
+ * Callback invoked from identity service with ego information.
+ * An @a ego of NULL means the ego was not found.
+ *
+ * @param cls closure with the configuration
+ * @param ego an ego known to identity service, or NULL
+ */
+static void
+identity_cb (void *cls,
+ const struct GNUNET_IDENTITY_Ego *ego)
+{
+ struct RequestHandle *handle = cls;
+ struct MHD_Response *resp;
+ struct GNUNET_REST_RequestHandlerError err;
+ static const struct GNUNET_REST_RequestHandler handlers[] = {
+ {MHD_HTTP_METHOD_GET, GNUNET_REST_API_NS_NAMESTORE_ZKEY, &namestore_zkey_cont}, //reverse
+ {MHD_HTTP_METHOD_GET, GNUNET_REST_API_NS_NAMESTORE, &namestore_info_cont}, //list
+ {MHD_HTTP_METHOD_POST, GNUNET_REST_API_NS_NAMESTORE, &namestore_create_cont}, //create
+ // {MHD_HTTP_METHOD_PUT, GNUNET_REST_API_NS_NAMESTORE, &namestore_edit_cont}, //update. TODO this shoul be PATCH
+ {MHD_HTTP_METHOD_DELETE, GNUNET_REST_API_NS_NAMESTORE, &namestore_delete_cont}, //delete
+ {MHD_HTTP_METHOD_OPTIONS, GNUNET_REST_API_NS_NAMESTORE, &options_cont},
+ GNUNET_REST_HANDLER_END
+ };
+
+ handle->ego_lookup = NULL;
+ if (NULL == ego)
+ {
+ if (NULL != handle->ego_name)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ _("Ego `%s' not known to identity service\n"),
+ handle->ego_name);
+ }
+ resp = GNUNET_REST_create_response (NULL);
+ handle->proc (handle->proc_cls, resp, MHD_HTTP_NOT_FOUND);
+ cleanup_handle (handle);
+ return;
+ }
+ handle->zone_pkey = *GNUNET_IDENTITY_ego_get_private_key (ego);
+ handle->ns_handle = GNUNET_NAMESTORE_connect (cfg);
+ if (NULL == handle->ns_handle)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ _("Failed to connect to namestore\n"));
+ GNUNET_SCHEDULER_add_now (&do_error, handle);
+ return;
+ }
+
+ if (GNUNET_OK !=
+ GNUNET_JSONAPI_handle_request (handle->rest_handle,
+ handlers,
+ &err,
+ handle))
+ {
+ handle->response_code = err.error_code;
+ GNUNET_SCHEDULER_add_now (&do_error,
+ (void *) handle);
+ }
+}
+
+
+static void
+default_ego_cb (void *cls,
+ struct GNUNET_IDENTITY_Ego *ego,
+ void **ctx,
+ const char *name)
+{
+ struct RequestHandle *handle = cls;
+ struct MHD_Response *resp;
+ handle->get_default = NULL;
+ if (NULL == ego)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ _("No default ego configured in identity service\n"));
+ resp = GNUNET_REST_create_response (NULL);
+ handle->proc (handle->proc_cls, resp, MHD_HTTP_NOT_FOUND);
+ cleanup_handle (handle);
+ return;
+ }
+ else
+ {
+ identity_cb (cls, ego);
+ }
+}
+
+static void
+id_connect_cb (void *cls,
+ struct GNUNET_IDENTITY_Ego *ego,
+ void **ctx,
+ const char *name)
+{
+ struct RequestHandle *handle = cls;
+ if (NULL == ego)
+ {
+ handle->get_default = GNUNET_IDENTITY_get (handle->identity_handle,
+ "namestore",
+ &default_ego_cb, handle);
+ }
+}
+
+
+/**
+ * Function processing the REST call
+ *
+ * @param method HTTP method
+ * @param url URL of the HTTP request
+ * @param data body of the HTTP request (optional)
+ * @param data_size length of the body
+ * @param proc callback function for the result
+ * @param proc_cls closure for callback function
+ * @return #GNUNET_OK if request accepted
+ */
+static void
+rest_identity_process_request(struct GNUNET_REST_RequestHandle *rest_handle,
+ GNUNET_REST_ResultProcessor proc,
+ void *proc_cls)
+{
+ struct RequestHandle *handle = GNUNET_new (struct RequestHandle);
+ struct MHD_Response *resp;
+ struct GNUNET_HashCode key;
+ char *ego;
+ char *name;
+ char *type;
+
+ handle->timeout = GNUNET_TIME_UNIT_FOREVER_REL;
+ handle->proc_cls = proc_cls;
+ handle->proc = proc;
+ handle->rest_handle = rest_handle;
+ handle->url = GNUNET_strdup (rest_handle->url);
+ if (handle->url[strlen (handle->url)-1] == '/')
+ handle->url[strlen (handle->url)-1] = '\0';
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Connecting...\n");
+ handle->cfg = cfg;
+ ego = NULL;
+ GNUNET_CRYPTO_hash (GNUNET_REST_JSONAPI_NAMESTORE_EGO,
+ strlen (GNUNET_REST_JSONAPI_NAMESTORE_EGO),
+ &key);
+ if ( GNUNET_YES ==
+ GNUNET_CONTAINER_multihashmap_contains (handle->rest_handle->url_param_map,
+ &key) )
+ {
+ ego = GNUNET_CONTAINER_multihashmap_get (handle->rest_handle->url_param_map,
+ &key);
+ }
+
+ handle->type = GNUNET_GNSRECORD_TYPE_ANY;
+ GNUNET_CRYPTO_hash (GNUNET_REST_JSONAPI_NAMESTORE_RECORD_TYPE,
+ strlen (GNUNET_REST_JSONAPI_NAMESTORE_RECORD_TYPE),
+ &key);
+ if ( GNUNET_YES ==
+ GNUNET_CONTAINER_multihashmap_contains (handle->rest_handle->url_param_map,
+ &key) )
+ {
+ type = GNUNET_CONTAINER_multihashmap_get (handle->rest_handle->url_param_map,
+ &key);
+ if (NULL != type)
+ handle->type = GNUNET_GNSRECORD_typename_to_number (type);
+ }
+ name = get_name_from_url (handle->url);
+ if (NULL != ego)
+ handle->ego_name = GNUNET_strdup (ego);
+ if (NULL != name)
+ handle->name = GNUNET_strdup (name);
+ if (NULL == handle->ego_name)
+ {
+ handle->identity_handle = GNUNET_IDENTITY_connect (handle->cfg, &id_connect_cb, handle);
+ if (NULL == handle->identity_handle)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR, _("Cannot connect to identity service\n"));
+ resp = GNUNET_REST_create_response (NULL);
+ handle->proc (handle->proc_cls, resp, MHD_HTTP_NOT_FOUND);
+ cleanup_handle (handle);
+ }
+ return;
+ }
+ handle->ego_lookup = GNUNET_IDENTITY_ego_lookup (cfg,
+ handle->ego_name,
+ &identity_cb,
+ handle);
+ handle->timeout_task = GNUNET_SCHEDULER_add_delayed (handle->timeout,
+ &do_timeout,
+ handle);
+}
+
+/**
+ * Entry point for the plugin.
+ *
+ * @param cls Config info
+ * @return NULL on error, otherwise the plugin context
+ */
+void *
+libgnunet_plugin_rest_namestore_init (void *cls)
+{
+ static struct Plugin plugin;
+ cfg = cls;
+ struct GNUNET_REST_Plugin *api;
+
+ if (NULL != plugin.cfg)
+ return NULL; /* can only initialize once! */
+ memset (&plugin, 0, sizeof (struct Plugin));
+ plugin.cfg = cfg;
+ api = GNUNET_new (struct GNUNET_REST_Plugin);
+ api->cls = &plugin;
+ api->name = GNUNET_REST_API_NS_NAMESTORE;
+ api->process_request = &rest_identity_process_request;
+ GNUNET_asprintf (&allow_methods,
+ "%s, %s, %s, %s, %s",
+ MHD_HTTP_METHOD_GET,
+ MHD_HTTP_METHOD_POST,
+ MHD_HTTP_METHOD_PUT,
+ MHD_HTTP_METHOD_DELETE,
+ MHD_HTTP_METHOD_OPTIONS);
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ _("Namestore REST API initialized\n"));
+ return api;
+}
+
+
+/**
+ * Exit point from the plugin.
+ *
+ * @param cls the plugin context (as returned by "init")
+ * @return always NULL
+ */
+void *
+libgnunet_plugin_rest_namestore_done (void *cls)
+{
+ struct GNUNET_REST_Plugin *api = cls;
+ struct Plugin *plugin = api->cls;
+
+ plugin->cfg = NULL;
+ GNUNET_free (api);
+ GNUNET_free_non_null (allow_methods);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Namestore REST plugin is finished\n");
+ return NULL;
+}
+
+/* end of plugin_rest_namestore.c */
projects / oweals / gnunet.git / commitdiff