/*
- This file is part of GNUnet.
- Copyright (C) 2012-2015 Christian Grothoff (and other contributing authors)
-
- 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
- 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., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA.
-*/
+ 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 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
+ 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
* @file gns/plugin_rest_gns.c
#include <gnunet_gnsrecord_lib.h>
#include <gnunet_namestore_service.h>
#include <gnunet_gns_service.h>
+#include <gnunet_rest_lib.h>
+#include <gnunet_jsonapi_lib.h>
+#include <gnunet_jsonapi_util.h>
#include <jansson.h>
-#define API_NAMESPACE "gns"
+#define GNUNET_REST_API_NS_GNS "/gns"
+
+#define GNUNET_REST_JSONAPI_GNS_RECORD_TYPE "record_type"
+
+#define GNUNET_REST_JSONAPI_GNS_TYPEINFO "gns_name"
+
+#define GNUNET_REST_JSONAPI_GNS_RECORD "records"
+
+#define GNUNET_REST_JSONAPI_GNS_EGO "ego"
+
+#define GNUNET_REST_JSONAPI_GNS_PKEY "pkey"
+
+#define GNUNET_REST_JSONAPI_GNS_OPTIONS "options"
/**
* @brief struct returned by the initialization function of the plugin
struct LookupHandle
{
- /**
- * Handle to GNS service.
- */
- struct GNUNET_GNS_Handle *gns;
-
- /**
- * Desired timeout for the lookup (default is no timeout).
- */
- struct GNUNET_TIME_Relative timeout;
-
- /**
- * Handle to lookup request
- */
- struct GNUNET_GNS_LookupRequest *lookup_request;
-
- /**
- * Lookup an ego with the identity service.
- */
- struct GNUNET_IDENTITY_EgoLookup *el;
-
- /**
- * Handle for identity service.
- */
- struct GNUNET_IDENTITY_Handle *identity;
-
- /**
- * Active operation on identity service.
- */
- struct GNUNET_IDENTITY_Operation *id_op;
- /**
- * ID of a task associated with the resolution process.
- */
- struct GNUNET_SCHEDULER_Task * timeout_task;
-
- json_t *json_root;
-
- GNUNET_REST_ResultProcessor proc;
-
- char *name;
-
- const char *ego_str;
-
- const char *pkey_str;
-
- int type;
-
- struct GNUNET_CRYPTO_EcdsaPublicKey pkey;
-
- struct GNUNET_CRYPTO_EcdsaPublicKey pkeym;
-
- enum GNUNET_GNS_LocalOptions options;
-
- struct GNUNET_CRYPTO_EcdsaPrivateKey shorten_key;
- void *proc_cls;
+ /**
+ * Handle to GNS service.
+ */
+ struct GNUNET_GNS_Handle *gns;
+
+ /**
+ * Desired timeout for the lookup (default is no timeout).
+ */
+ struct GNUNET_TIME_Relative timeout;
+
+ /**
+ * Handle to lookup request
+ */
+ struct GNUNET_GNS_LookupRequest *lookup_request;
+
+ /**
+ * Handle to rest request
+ */
+ struct GNUNET_REST_RequestHandle *rest_handle;
+
+ /**
+ * Lookup an ego with the identity service.
+ */
+ struct GNUNET_IDENTITY_EgoLookup *el;
+
+ /**
+ * Handle for identity service.
+ */
+ struct GNUNET_IDENTITY_Handle *identity;
+
+ /**
+ * Active operation on identity service.
+ */
+ struct GNUNET_IDENTITY_Operation *id_op;
+
+ /**
+ * ID of a task associated with the resolution process.
+ */
+ struct GNUNET_SCHEDULER_Task * timeout_task;
+
+ /**
+ * The root of the received JSON or NULL
+ */
+ json_t *json_root;
+
+ /**
+ * The plugin result processor
+ */
+ GNUNET_REST_ResultProcessor proc;
+
+ /**
+ * The closure of the result processor
+ */
+ void *proc_cls;
+
+ /**
+ * The name to look up
+ */
+ char *name;
+
+ /**
+ * The ego to use
+ * In string representation from JSON
+ */
+ const char *ego_str;
+
+ /**
+ * The Pkey to use
+ * In string representation from JSON
+ */
+ const char *pkey_str;
+
+ /**
+ * The record type
+ */
+ int type;
+
+ /**
+ * The public key of to use for lookup
+ */
+ struct GNUNET_CRYPTO_EcdsaPublicKey pkey;
+
+ /**
+ * The public key to use for lookup
+ */
+ struct GNUNET_CRYPTO_EcdsaPublicKey pkeym;
+
+ /**
+ * The resolver options
+ */
+ enum GNUNET_GNS_LocalOptions options;
+
+ /**
+ * the shorten key
+ */
+ struct GNUNET_CRYPTO_EcdsaPrivateKey shorten_key;
+
+ /**
+ * HTTP response code
+ */
+ int response_code;
+
};
-void
+
+/**
+ * Cleanup lookup handle.
+ *
+ * @param handle Handle to clean up
+ */
+static void
cleanup_handle (struct LookupHandle *handle)
{
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Cleaning up\n");
- if (NULL != handle->json_root)
- json_decref (handle->json_root);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Cleaning up\n");
+ if (NULL != handle->json_root)
+ json_decref (handle->json_root);
- if (NULL != handle->name)
- GNUNET_free (handle->name);
- if (NULL != handle->el)
- {
- GNUNET_IDENTITY_ego_lookup_cancel (handle->el);
- handle->el = NULL;
- }
- if (NULL != handle->id_op)
- {
- GNUNET_IDENTITY_cancel (handle->id_op);
- handle->id_op = NULL;
- }
- if (NULL != handle->lookup_request)
- {
- GNUNET_GNS_lookup_cancel (handle->lookup_request);
- handle->lookup_request = NULL;
- }
- if (NULL != handle->identity)
- {
- GNUNET_IDENTITY_disconnect (handle->identity);
- handle->identity = NULL;
- }
- if (NULL != handle->gns)
- {
- GNUNET_GNS_disconnect (handle->gns);
- handle->gns = NULL;
- }
+ if (NULL != handle->name)
+ GNUNET_free (handle->name);
+ if (NULL != handle->el)
+ {
+ GNUNET_IDENTITY_ego_lookup_cancel (handle->el);
+ handle->el = NULL;
+ }
+ if (NULL != handle->id_op)
+ {
+ GNUNET_IDENTITY_cancel (handle->id_op);
+ handle->id_op = NULL;
+ }
+ if (NULL != handle->lookup_request)
+ {
+ GNUNET_GNS_lookup_cancel (handle->lookup_request);
+ handle->lookup_request = NULL;
+ }
+ if (NULL != handle->identity)
+ {
+ GNUNET_IDENTITY_disconnect (handle->identity);
+ handle->identity = NULL;
+ }
+ if (NULL != handle->gns)
+ {
+ GNUNET_GNS_disconnect (handle->gns);
+ handle->gns = NULL;
+ }
- if (NULL != handle->timeout_task)
- {
- GNUNET_SCHEDULER_cancel (handle->timeout_task);
- }
- GNUNET_free (handle);
+ if (NULL != handle->timeout_task)
+ {
+ GNUNET_SCHEDULER_cancel (handle->timeout_task);
+ }
+ GNUNET_free (handle);
}
* @param tc scheduler context
*/
static void
-do_error (void *cls,
- const struct GNUNET_SCHEDULER_TaskContext *tc)
+do_error (void *cls)
{
struct LookupHandle *handle = cls;
-
+ struct MHD_Response *resp;
+
+ resp = GNUNET_REST_create_response (NULL);
+ handle->proc (handle->proc_cls, resp, handle->response_code);
cleanup_handle (handle);
- handle->proc (handle->proc_cls, NULL, 0, GNUNET_SYSERR);
+}
+
+
+/**
+ * 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, "type", json_string (typename));
+ json_object_set_new (record_obj, "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, "expiration_time", json_string (exp_str));
+
+ json_object_set_new (record_obj, "expired",
+ json_boolean (GNUNET_YES == GNUNET_GNSRECORD_is_expired (rd)));
+ return record_obj;
}
/**
*/
static void
process_lookup_result (void *cls, uint32_t rd_count,
- const struct GNUNET_GNSRECORD_Data *rd)
+ const struct GNUNET_GNSRECORD_Data *rd)
{
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "result \n");
struct LookupHandle *handle = cls;
+ struct MHD_Response *resp;
+ struct GNUNET_JSONAPI_Document *json_document;
+ struct GNUNET_JSONAPI_Resource *json_resource;
uint32_t i;
- const char *typename;
- char *string_val;
char *result;
- json_t *result_root;
- json_t *result_name;
json_t *result_array;
json_t *record_obj;
-
- result_root = json_object();
- result_name = json_string (handle->name);
result_array = json_array();
- json_object_set (result_root, "name", result_name);
- json_decref (result_name);
-
+ json_document = GNUNET_JSONAPI_document_new ();
+ json_resource = GNUNET_JSONAPI_resource_new (GNUNET_REST_JSONAPI_GNS_TYPEINFO, handle->name);
handle->lookup_request = NULL;
-
for (i=0; i<rd_count; i++)
{
if ( (rd[i].record_type != handle->type) &&
- (GNUNET_GNSRECORD_TYPE_ANY != handle->type) )
- continue;
- typename = GNUNET_GNSRECORD_number_to_typename (rd[i].record_type);
- string_val = GNUNET_GNSRECORD_value_to_string (rd[i].record_type,
- rd[i].data,
- rd[i].data_size);
- if (NULL == string_val)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Record %u of type %d malformed, skipping\n",
- (unsigned int) i,
- (int) rd[i].record_type);
+ (GNUNET_GNSRECORD_TYPE_ANY != handle->type) )
continue;
- }
- else
- {
- record_obj = json_object();
- json_object_set_new (record_obj, "type", json_string (typename));
- json_object_set_new (record_obj, "value", json_string (string_val));
- json_array_append (result_array, record_obj);
- json_decref (record_obj);
- }
- GNUNET_free (string_val);
+ record_obj = gnsrecord_to_json (&(rd[i]));
+ json_array_append (result_array, record_obj);
+ json_decref (record_obj);
}
- json_object_set (result_root, "query_result", result_array);
+ GNUNET_JSONAPI_resource_add_attr (json_resource,
+ GNUNET_REST_JSONAPI_GNS_RECORD,
+ result_array);
+ GNUNET_JSONAPI_document_resource_add (json_document, json_resource);
+ GNUNET_JSONAPI_document_serialize (json_document, &result);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Result %s\n", result);
json_decref (result_array);
- result = json_dumps (result_root, JSON_COMPACT);
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Result %s\n", result);
- json_decref (result_root);
- handle->proc (handle->proc_cls, result, strlen (result), GNUNET_OK);
+ GNUNET_JSONAPI_document_delete (json_document);
+ resp = GNUNET_REST_create_response (result);
+ handle->proc (handle->proc_cls, resp, MHD_HTTP_OK);
GNUNET_free (result);
cleanup_handle (handle);
}
+
/**
* Perform the actual resolution, starting with the zone
* identified by the given public key and the shorten zone.
static void
lookup_with_keys (struct LookupHandle *handle, const struct GNUNET_CRYPTO_EcdsaPrivateKey *shorten_key)
{
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Lookup w/ keys \n");
if (UINT32_MAX == handle->type)
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _("Invalid typename specified, assuming `ANY'\n"));
+ _("Invalid typename specified, assuming `ANY'\n"));
handle->type = GNUNET_GNSRECORD_TYPE_ANY;
}
-
if (NULL != handle->name)
{
handle->lookup_request = GNUNET_GNS_lookup (handle->gns,
- handle->name,
- &handle->pkey,
- handle->type,
- handle->options,
- shorten_key,
- &process_lookup_result,
- handle);
+ handle->name,
+ &handle->pkey,
+ handle->type,
+ handle->options,
+ shorten_key,
+ &process_lookup_result,
+ handle);
}
else
{
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _("Please specify name to lookup!\n"));
- handle->proc (handle->proc_cls, NULL, 0, GNUNET_SYSERR);
- cleanup_handle (handle);
+ GNUNET_SCHEDULER_add_now (&do_error, handle);
return;
}
}
*/
static void
identity_shorten_cb (void *cls,
- struct GNUNET_IDENTITY_Ego *ego,
- void **ctx,
- const char *name)
+ struct GNUNET_IDENTITY_Ego *ego,
+ void **ctx,
+ const char *name)
{
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "shorten \n");
struct LookupHandle *handle = cls;
handle->id_op = NULL;
lookup_with_keys (handle, NULL);
else
lookup_with_keys (handle,
- GNUNET_IDENTITY_ego_get_private_key (ego));
+ GNUNET_IDENTITY_ego_get_private_key (ego));
}
/**
static void
lookup_with_public_key (struct LookupHandle *handle)
{
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Lookup w/ pkey \n");
handle->pkeym = handle->pkey;
GNUNET_break (NULL == handle->id_op);
handle->id_op = GNUNET_IDENTITY_get (handle->identity,
- "gns-short",
- &identity_shorten_cb,
- handle);
+ "gns-short",
+ &identity_shorten_cb,
+ handle);
if (NULL == handle->id_op)
{
GNUNET_break (0);
*/
static void
identity_zone_cb (void *cls,
- const struct GNUNET_IDENTITY_Ego *ego)
+ const struct GNUNET_IDENTITY_Ego *ego)
{
struct LookupHandle *handle = cls;
if (NULL == ego)
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _("Ego for not found, cannot perform lookup.\n"));
- handle->proc (handle->proc_cls, NULL, 0, GNUNET_SYSERR);
- cleanup_handle (handle);
+ _("Ego for not found, cannot perform lookup.\n"));
+ GNUNET_SCHEDULER_add_now (&do_error, handle);
return;
}
else
*/
static void
identity_master_cb (void *cls,
- struct GNUNET_IDENTITY_Ego *ego,
- void **ctx,
- const char *name)
+ struct GNUNET_IDENTITY_Ego *ego,
+ void **ctx,
+ const char *name)
{
const char *dot;
struct LookupHandle *handle = cls;
-
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Master cb \n");
+
handle->id_op = NULL;
if (NULL == ego)
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _("Ego for `gns-master' not found, cannot perform lookup. Did you run gnunet-gns-import.sh?\n"));
- handle->proc (handle->proc_cls, NULL, 0, GNUNET_SYSERR);
- cleanup_handle (handle);
+ _("Ego for `gns-master' not found, cannot perform lookup. Did you run gnunet-gns-import.sh?\n"));
+ GNUNET_SCHEDULER_add_now (&do_error, handle);
return;
}
GNUNET_IDENTITY_ego_get_public_key (ego, &handle->pkey);
lookup_with_public_key (handle);
}
-int
+/**
+ * Parse REST uri for name and record type
+ *
+ * @param url Url to parse
+ * @param handle lookup handle to populate
+ * @return GNUNET_SYSERR on error
+ */
+static int
parse_url (const char *url, struct LookupHandle *handle)
{
- char *name;
- char *type;
- char tmp_url[strlen(url)+1];
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Parsing %s\n", url);
- strcpy (tmp_url, url);
-
- char *tok = strtok ((char*)tmp_url, "/");
-
-
- if (NULL == tok)
- return GNUNET_SYSERR;
-
- name = strtok (NULL, "/");
-
- if (NULL == name)
- return GNUNET_SYSERR;
+ char *name;
+ char tmp_url[strlen(url)+1];
+ char *tok;
+
+ strcpy (tmp_url, url);
+ tok = strtok ((char*)tmp_url, "/");
+ if (NULL == tok)
+ return GNUNET_SYSERR;
+ name = strtok (NULL, "/");
+ if (NULL == name)
+ return GNUNET_SYSERR;
+ GNUNET_asprintf (&handle->name,
+ "%s",
+ name);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Got name: %s\n", handle->name);
+ return GNUNET_OK;
+}
- GNUNET_asprintf (&handle->name,
- "%s",
- name);
+static void
+get_gns_cont (struct GNUNET_REST_RequestHandle *conndata_handle,
+ const char* url,
+ void *cls)
+{
+ struct LookupHandle *handle = cls;
+ struct GNUNET_HashCode key;
+ //parse name and type from url
+ if (GNUNET_OK != parse_url (url, handle))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Error parsing url...\n");
+ GNUNET_SCHEDULER_add_now (&do_error, handle);
+ return;
+ }
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Connecting...\n");
+ handle->gns = GNUNET_GNS_connect (cfg);
+ handle->identity = GNUNET_IDENTITY_connect (cfg, NULL, NULL);
+ handle->timeout_task = GNUNET_SCHEDULER_add_delayed (handle->timeout,
+ &do_error, handle);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Connected\n");
+ if (NULL == handle->gns)
+ {
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Got name: %s\n", handle->name);
-
- type = strtok (NULL, "/");
+ "Connecting to GNS failed\n");
+ GNUNET_SCHEDULER_add_now (&do_error, handle);
+ return;
+ }
+ GNUNET_CRYPTO_hash (GNUNET_REST_JSONAPI_GNS_OPTIONS,
+ strlen (GNUNET_REST_JSONAPI_GNS_OPTIONS),
+ &key);
+ handle->options = GNUNET_GNS_LO_DEFAULT;
+ if ( GNUNET_YES ==
+ GNUNET_CONTAINER_multihashmap_contains (conndata_handle->url_param_map,
+ &key) )
+ {
+ handle->options = GNUNET_GNS_LO_DEFAULT;//TODO(char*) GNUNET_CONTAINER_multihashmap_get (conndata_handle->url_param_map,
+ //&key);
+ }
+ GNUNET_CRYPTO_hash (GNUNET_REST_JSONAPI_GNS_RECORD_TYPE,
+ strlen (GNUNET_REST_JSONAPI_GNS_RECORD_TYPE),
+ &key);
+ if ( GNUNET_YES ==
+ GNUNET_CONTAINER_multihashmap_contains (conndata_handle->url_param_map,
+ &key) )
+ {
+ handle->type = GNUNET_GNSRECORD_typename_to_number
+ (GNUNET_CONTAINER_multihashmap_get (conndata_handle->url_param_map,
+ &key));
+ }
+ else
+ handle->type = GNUNET_GNSRECORD_TYPE_ANY;
- if (NULL == type)
+ GNUNET_CRYPTO_hash (GNUNET_REST_JSONAPI_GNS_PKEY,
+ strlen (GNUNET_REST_JSONAPI_GNS_PKEY),
+ &key);
+ if ( GNUNET_YES ==
+ GNUNET_CONTAINER_multihashmap_contains (conndata_handle->url_param_map,
+ &key) )
+ {
+ handle->pkey_str = GNUNET_CONTAINER_multihashmap_get (conndata_handle->url_param_map,
+ &key);
+ if (GNUNET_OK !=
+ GNUNET_CRYPTO_ecdsa_public_key_from_string (handle->pkey_str,
+ strlen(handle->pkey_str),
+ &(handle->pkey)))
{
- handle->type = GNUNET_GNSRECORD_TYPE_ANY;
- return GNUNET_OK;
+ GNUNET_SCHEDULER_add_now (&do_error, handle);
+ return;
}
-
- handle->type = GNUNET_GNSRECORD_typename_to_number (type);
-
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Got type: %s\n", type);
- return GNUNET_OK;
+ lookup_with_public_key (handle);
+ return;
+ }
+ GNUNET_CRYPTO_hash (GNUNET_REST_JSONAPI_GNS_EGO,
+ strlen (GNUNET_REST_JSONAPI_GNS_EGO),
+ &key);
+ if ( GNUNET_YES ==
+ GNUNET_CONTAINER_multihashmap_contains (conndata_handle->url_param_map,
+ &key) )
+ {
+ handle->ego_str = GNUNET_CONTAINER_multihashmap_get (conndata_handle->url_param_map,
+ &key);
+ handle->el = GNUNET_IDENTITY_ego_lookup (cfg,
+ handle->ego_str,
+ &identity_zone_cb,
+ handle);
+ return;
+ }
+ if ( (NULL != handle->name) &&
+ (strlen (handle->name) > 4) &&
+ (0 == strcmp (".zkey",
+ &handle->name[strlen (handle->name) - 4])) )
+ {
+ GNUNET_CRYPTO_ecdsa_key_get_public
+ (GNUNET_CRYPTO_ecdsa_key_get_anonymous (),
+ &(handle->pkey));
+ lookup_with_public_key (handle);
+ }
+ else
+ {
+ GNUNET_break (NULL == handle->id_op);
+ handle->id_op = GNUNET_IDENTITY_get (handle->identity,
+ "gns-master",
+ &identity_master_cb,
+ handle);
+ GNUNET_assert (NULL != handle->id_op);
+ }
}
-int
-parse_json (const char *data, size_t data_size, struct LookupHandle *handle)
+/**
+ * Handle rest request
+ *
+ * @param handle the lookup handle
+ */
+static void
+options_cont (struct GNUNET_REST_RequestHandle *con_handle,
+ const char* url,
+ void *cls)
{
- json_error_t error;
- json_t *pkey_json;
- json_t *ego_json;
- json_t *options_json;
-
- char term_data[data_size+1];
- term_data[data_size] = '\0';
-
- memcpy (term_data, data, data_size);
-
- handle->json_root = json_loads (term_data, 0, &error);
-
- if (NULL == handle->json_root)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR, error.text);
- return GNUNET_SYSERR;
- }
-
- if(!json_is_object(handle->json_root))
- {
- return GNUNET_SYSERR;
- }
-
- ego_json = json_object_get (handle->json_root, "ego");
-
- if(json_is_string(ego_json))
- {
- handle->ego_str = json_string_value (ego_json);
- }
-
- pkey_json = json_object_get (handle->json_root, "pkey");
- if(json_is_string(pkey_json))
- {
- handle->pkey_str = json_string_value (pkey_json);
- }
+ struct MHD_Response *resp;
+ struct LookupHandle *handle = cls;
- options_json = json_object_get (handle->json_root, "options");
- if(json_is_integer (options_json))
- {
- handle->options = json_integer_value (options_json);
- }
- return GNUNET_OK;
+ //For GNS, independent of path return all options
+ resp = GNUNET_REST_create_response (NULL);
+ MHD_add_response_header (resp,
+ "Access-Control-Allow-Methods",
+ MHD_HTTP_METHOD_GET);
+ handle->proc (handle->proc_cls,
+ resp,
+ MHD_HTTP_OK);
+ cleanup_handle (handle);
}
* @param proc_cls closure for callback function
* @return GNUNET_OK if request accepted
*/
-void
-rest_gns_process_request(const char *method,
- const char *url,
- const char *data,
- size_t data_size,
+static void
+rest_gns_process_request(struct GNUNET_REST_RequestHandle *conndata_handle,
GNUNET_REST_ResultProcessor proc,
void *proc_cls)
{
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "In plugin\n");
- struct LookupHandle *handle = GNUNET_new (struct LookupHandle);
-
- handle->timeout = GNUNET_TIME_UNIT_FOREVER_REL; //TODO read from json
-
- //parse name and type from url
- if (GNUNET_OK != parse_url (url, handle))
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Error parsing url...\n");
- proc (proc_cls, NULL, 0, GNUNET_SYSERR);
- cleanup_handle (handle);
- return;
- }
-
- handle->proc_cls = proc_cls;
- handle->proc = proc;
-
- if (0 < data_size)
- {
- if (GNUNET_OK != parse_json (data, data_size, handle))
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Error parsing json...\n");
- proc (proc_cls, NULL, 0, GNUNET_SYSERR);
- cleanup_handle (handle);
- return;
- }
- }
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Connecting...\n");
- handle->gns = GNUNET_GNS_connect (cfg);
- handle->identity = GNUNET_IDENTITY_connect (cfg, NULL, NULL);
-
- handle->timeout_task = GNUNET_SCHEDULER_add_delayed (handle->timeout,
- &do_error, handle);
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Connected\n");
-
- if (NULL == handle->gns)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Connecting to GNS failed\n");
- proc (proc_cls, NULL, 0, GNUNET_SYSERR);
- cleanup_handle (handle);
- return;
- }
-
- if (NULL != handle->pkey_str)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "pkey_str\n");
- if (GNUNET_OK !=
- GNUNET_CRYPTO_ecdsa_public_key_from_string (handle->pkey_str,
- strlen(handle->pkey_str),
- &(handle->pkey)))
- {
- proc (proc_cls, NULL, 0, GNUNET_SYSERR);
- cleanup_handle (handle);
- return;
- }
- lookup_with_public_key (handle);
-
- }
- if (NULL != handle->ego_str)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "ego_str\n");
- handle->el = GNUNET_IDENTITY_ego_lookup (cfg,
- handle->ego_str,
- &identity_zone_cb,
- handle);
- return;
- }
- if ( (NULL != handle->name) &&
- (strlen (handle->name) > 4) &&
- (0 == strcmp (".zkey",
- &handle->name[strlen (handle->name) - 4])) )
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "zkey\n");
- /* no zone required, use 'anonymous' zone */
- GNUNET_CRYPTO_ecdsa_key_get_public
- (GNUNET_CRYPTO_ecdsa_key_get_anonymous (),
- &(handle->pkey));
- lookup_with_public_key (handle);
- }
- else
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "gns_master\n");
- GNUNET_break (NULL == handle->id_op);
- handle->id_op = GNUNET_IDENTITY_get (handle->identity,
- "gns-master",
- &identity_master_cb,
- handle);
- GNUNET_assert (NULL != handle->id_op);
- }
+ struct LookupHandle *handle = GNUNET_new (struct LookupHandle);
+ struct GNUNET_REST_RequestHandlerError err;
+
+ handle->timeout = GNUNET_TIME_UNIT_FOREVER_REL;
+ handle->proc_cls = proc_cls;
+ handle->proc = proc;
+ handle->rest_handle = conndata_handle;
+
+ static const struct GNUNET_REST_RequestHandler handlers[] = {
+ {MHD_HTTP_METHOD_GET, GNUNET_REST_API_NS_GNS, &get_gns_cont},
+ {MHD_HTTP_METHOD_OPTIONS, GNUNET_REST_API_NS_GNS, &options_cont},
+ GNUNET_REST_HANDLER_END
+ };
+
+ if (GNUNET_NO == GNUNET_JSONAPI_handle_request (conndata_handle,
+ handlers,
+ &err,
+ handle))
+ {
+ handle->response_code = err.error_code;
+ GNUNET_SCHEDULER_add_now (&do_error, handle);
+ }
}
+
/**
* Entry point for the plugin.
*
plugin.cfg = cfg;
api = GNUNET_new (struct GNUNET_REST_Plugin);
api->cls = &plugin;
- api->name = API_NAMESPACE;
+ api->name = GNUNET_REST_API_NS_GNS;
api->process_request = &rest_gns_process_request;
GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- _("GNS REST API initialized\n"));
+ _("GNS REST API initialized\n"));
return api;
}
* @return always NULL
*/
void *
-libgnunet_plugin_namestore_sqlite_done (void *cls)
+libgnunet_plugin_rest_gns_done (void *cls)
{
struct GNUNET_REST_Plugin *api = cls;
struct Plugin *plugin = api->cls;
plugin->cfg = NULL;
GNUNET_free (api);
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "GNS REST plugin is finished\n");
+ "GNS REST plugin is finished\n");
return NULL;
}