XLIB = -lgcov
endif
+if HAVE_MHD
+if HAVE_JSON
+REST_PLUGIN = libgnunet_plugin_rest_identity.la
+endif
+endif
+
pkgcfgdir= $(pkgdatadir)/config.d/
libexecdir= $(pkglibdir)/libexec/
identity.conf
lib_LTLIBRARIES = \
- libgnunetidentity.la
+ libgnunetidentity.la \
+ $(REST_PLUGIN)
+
+
+libgnunet_plugin_rest_identity_la_SOURCES = \
+ plugin_rest_identity.c
+libgnunet_plugin_rest_identity_la_LIBADD = \
+ libgnunetidentity.la \
+ $(top_builddir)/src/rest/libgnunetrest.la \
+ $(top_builddir)/src/util/libgnunetutil.la $(XLIBS) \
+ $(LTLIBINTL) -ljansson -lmicrohttpd
+libgnunet_plugin_rest_identity_la_LDFLAGS = \
+ $(GN_PLUGIN_LDFLAGS)
+
libgnunetidentity_la_SOURCES = \
identity_api.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/>.
+
+ SPDX-License-Identifier: AGPL3.0-or-later
+ */
+/**
+ * @author Martin Schanzenbach
+ * @author Philippe Buschmann
+ * @file identity/plugin_rest_identity.c
+ * @brief GNUnet Identity REST plugin
+ */
+
+#include "platform.h"
+#include "gnunet_rest_plugin.h"
+#include "gnunet_identity_service.h"
+#include "gnunet_rest_lib.h"
+#include "microhttpd.h"
+#include <jansson.h>
+
+/**
+ * Identity Namespace
+ */
+#define GNUNET_REST_API_NS_IDENTITY "/identity"
+
+/**
+ * Identity Namespace with public key specifier
+ */
+#define GNUNET_REST_API_NS_IDENTITY_ALL "/identity/all"
+
+/**
+ * Identity Namespace with public key specifier
+ */
+#define GNUNET_REST_API_NS_IDENTITY_PUBKEY "/identity/pubkey"
+
+/**
+ * Identity Namespace with public key specifier
+ */
+#define GNUNET_REST_API_NS_IDENTITY_NAME "/identity/name"
+
+/**
+ * Identity Subsystem Namespace
+ */
+#define GNUNET_REST_API_NS_IDENTITY_SUBSYSTEM "/identity/subsystem"
+
+/**
+ * Parameter public key
+ */
+#define GNUNET_REST_IDENTITY_PARAM_PUBKEY "pubkey"
+
+/**
+ * Parameter subsystem
+ */
+#define GNUNET_REST_IDENTITY_PARAM_SUBSYSTEM "subsystem"
+
+/**
+ * Parameter name
+ */
+#define GNUNET_REST_IDENTITY_PARAM_NAME "name"
+
+/**
+ * Parameter new name
+ */
+#define GNUNET_REST_IDENTITY_PARAM_NEWNAME "newname"
+
+/**
+ * Error message Unknown Error
+ */
+#define GNUNET_REST_IDENTITY_ERROR_UNKNOWN "Unknown Error"
+
+/**
+ * Error message No identity found
+ */
+#define GNUNET_REST_IDENTITY_NOT_FOUND "No identity found"
+
+/**
+ * Error message Missing identity name
+ */
+#define GNUNET_REST_IDENTITY_MISSING_NAME "Missing identity name"
+
+/**
+ * Error message Missing identity name
+ */
+#define GNUNET_REST_IDENTITY_MISSING_PUBKEY "Missing identity public key"
+
+/**
+ * Error message No data
+ */
+#define GNUNET_REST_ERROR_NO_DATA "No data"
+
+/**
+ * Error message Data invalid
+ */
+#define GNUNET_REST_ERROR_DATA_INVALID "Data invalid"
+
+/**
+ * State while collecting all egos
+ */
+#define ID_REST_STATE_INIT 0
+
+/**
+ * Done collecting egos
+ */
+#define ID_REST_STATE_POST_INIT 1
+
+/**
+ * The configuration handle
+ */
+const struct GNUNET_CONFIGURATION_Handle *cfg;
+
+/**
+ * HTTP methods allows for this plugin
+ */
+static char* allow_methods;
+
+/**
+ * @brief struct returned by the initialization function of the plugin
+ */
+struct Plugin
+{
+ const struct GNUNET_CONFIGURATION_Handle *cfg;
+};
+
+/**
+ * The ego list
+ */
+struct EgoEntry
+{
+ /**
+ * DLL
+ */
+ struct EgoEntry *next;
+
+ /**
+ * DLL
+ */
+ struct EgoEntry *prev;
+
+ /**
+ * Ego Identifier
+ */
+ char *identifier;
+
+ /**
+ * Public key string
+ */
+ char *keystring;
+
+ /**
+ * The Ego
+ */
+ struct GNUNET_IDENTITY_Ego *ego;
+};
+
+/**
+ * The request handle
+ */
+struct RequestHandle
+{
+ /**
+ * The data from the REST request
+ */
+ const char* data;
+
+ /**
+ * The name to look up
+ */
+ char *name;
+
+ /**
+ * the length of the REST data
+ */
+ size_t data_size;
+
+
+ /**
+ * Ego list
+ */
+ struct EgoEntry *ego_head;
+
+ /**
+ * Ego list
+ */
+ struct EgoEntry *ego_tail;
+
+ /**
+ * The processing state
+ */
+ int state;
+
+ /**
+ * Handle to Identity service.
+ */
+ struct GNUNET_IDENTITY_Handle *identity_handle;
+
+ /**
+ * IDENTITY Operation
+ */
+ struct GNUNET_IDENTITY_Operation *op;
+
+ /**
+ * Rest connection
+ */
+ struct GNUNET_REST_RequestHandle *rest_handle;
+
+ /**
+ * 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;
+
+ /**
+ * Error response message
+ */
+ char *emsg;
+
+ /**
+ * Response code
+ */
+ int response_code;
+
+};
+
+/**
+ * Cleanup lookup handle
+ * @param handle Handle to clean up
+ */
+static void
+cleanup_handle (void *cls)
+{
+ struct RequestHandle *handle = cls;
+ struct EgoEntry *ego_entry;
+ struct EgoEntry *ego_tmp;
+
+ GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Cleaning up\n");
+ if (NULL != handle->timeout_task)
+ {
+ GNUNET_SCHEDULER_cancel (handle->timeout_task);
+ handle->timeout_task = NULL;
+ }
+
+ if (NULL != handle->url)
+ GNUNET_free(handle->url);
+ if (NULL != handle->emsg)
+ GNUNET_free(handle->emsg);
+ if (NULL != handle->name)
+ GNUNET_free (handle->name);
+ if (NULL != handle->identity_handle)
+ GNUNET_IDENTITY_disconnect (handle->identity_handle);
+
+ for (ego_entry = handle->ego_head;
+ NULL != ego_entry;)
+ {
+ ego_tmp = ego_entry;
+ ego_entry = ego_entry->next;
+ GNUNET_free(ego_tmp->identifier);
+ GNUNET_free(ego_tmp->keystring);
+ GNUNET_free(ego_tmp);
+ }
+
+ 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;
+ json_t *json_error = json_object();
+ char *response;
+
+ if (NULL == handle->emsg)
+ handle->emsg = GNUNET_strdup(GNUNET_REST_IDENTITY_ERROR_UNKNOWN);
+
+ json_object_set_new(json_error,"error", json_string(handle->emsg));
+
+ if (0 == handle->response_code)
+ handle->response_code = MHD_HTTP_OK;
+ response = json_dumps (json_error, 0);
+ resp = GNUNET_REST_create_response (response);
+ handle->proc (handle->proc_cls, resp, handle->response_code);
+ json_decref(json_error);
+ GNUNET_free(response);
+ GNUNET_SCHEDULER_add_now (&cleanup_handle, handle);
+}
+
+
+
+/**
+ * Get EgoEntry from list with either a public key or a name
+ * If public key and name are not NULL, it returns the public key result first
+ *
+ * @param handle the RequestHandle
+ * @param pubkey the public key of an identity (only one can be NULL)
+ * @param name the name of an identity (only one can be NULL)
+ * @return EgoEntry or NULL if not found
+ */
+struct EgoEntry*
+get_egoentry(struct RequestHandle *handle, char* pubkey, char *name)
+{
+ struct EgoEntry *ego_entry;
+ if (NULL != pubkey)
+ {
+ for (ego_entry = handle->ego_head;
+ NULL != ego_entry;
+ ego_entry = ego_entry->next)
+ {
+ if (0 != strcasecmp (pubkey, ego_entry->keystring))
+ continue;
+ return ego_entry;
+ }
+ }
+ if (NULL != name)
+ {
+ for (ego_entry = handle->ego_head;
+ NULL != ego_entry;
+ ego_entry = ego_entry->next)
+ {
+ if (0 != strcasecmp (name, ego_entry->identifier))
+ continue;
+ return ego_entry;
+ }
+ }
+ return NULL;
+}
+
+
+/**
+ * Callback for GET Request with subsystem
+ *
+ * @param cls the RequestHandle
+ * @param ego the Ego found
+ * @param ctx the context
+ * @param name the id of the ego
+ */
+static void
+ego_get_for_subsystem (void *cls,
+ struct GNUNET_IDENTITY_Ego *ego,
+ void **ctx,
+ const char *name)
+{
+ struct RequestHandle *handle = cls;
+ struct MHD_Response *resp;
+ struct GNUNET_CRYPTO_EcdsaPublicKey public_key;
+ json_t *json_root;
+ char *result_str;
+ char *public_key_string;
+
+ if(NULL == ego)
+ {
+ handle->response_code = MHD_HTTP_NOT_FOUND;
+ handle->emsg = GNUNET_strdup(GNUNET_REST_IDENTITY_NOT_FOUND);
+ GNUNET_SCHEDULER_add_now (&do_error, handle);
+ return;
+ }
+
+ GNUNET_IDENTITY_ego_get_public_key(ego,&public_key);
+ public_key_string = GNUNET_CRYPTO_ecdsa_public_key_to_string(&public_key);
+
+ // create json with subsystem identity
+ json_root = json_object ();
+ json_object_set_new (json_root,
+ GNUNET_REST_IDENTITY_PARAM_PUBKEY,
+ json_string(public_key_string));
+ json_object_set_new (json_root,
+ GNUNET_REST_IDENTITY_PARAM_NAME,
+ json_string(name));
+
+ result_str = json_dumps (json_root, 0);
+ GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Result %s\n", result_str);
+ resp = GNUNET_REST_create_response (result_str);
+
+ json_decref (json_root);
+ handle->proc (handle->proc_cls, resp, MHD_HTTP_OK);
+ GNUNET_free(result_str);
+ GNUNET_free(public_key_string);
+ GNUNET_SCHEDULER_add_now (&cleanup_handle, handle);
+}
+
+/**
+ * Handle identity GET request for subsystem
+ *
+ * @param con_handle the connection handle
+ * @param url the url
+ * @param cls the RequestHandle
+ */
+void
+ego_get_subsystem (struct GNUNET_REST_RequestHandle *con_handle,
+ const char* url,
+ void *cls)
+{
+ struct RequestHandle *handle = cls;
+ char *subsystem;
+
+ if (strlen (GNUNET_REST_API_NS_IDENTITY_SUBSYSTEM) >= strlen (handle->url))
+ {
+ handle->emsg = GNUNET_strdup("Missing subsystem name");
+ GNUNET_SCHEDULER_add_now (&do_error, handle);
+ return;
+ }
+ subsystem = &handle->url[strlen (
+ GNUNET_REST_API_NS_IDENTITY_SUBSYSTEM) + 1];
+ //requested default identity of subsystem
+ GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Looking for %s's ego\n", subsystem);
+
+ handle->op = GNUNET_IDENTITY_get (handle->identity_handle,
+ subsystem,
+ &ego_get_for_subsystem,
+ handle);
+
+ if (NULL == handle->op)
+ {
+ handle->response_code = MHD_HTTP_NOT_FOUND;
+ handle->emsg = GNUNET_strdup(GNUNET_REST_IDENTITY_NOT_FOUND);
+ GNUNET_SCHEDULER_add_now (&do_error, handle);
+ return;
+ }
+}
+
+
+/**
+ * Handle identity GET request - responds with all identities
+ *
+ * @param con_handle the connection handle
+ * @param url the url
+ * @param cls the RequestHandle
+ */
+void
+ego_get_all (struct GNUNET_REST_RequestHandle *con_handle,
+ const char* url,
+ void *cls)
+{
+ struct RequestHandle *handle = cls;
+ struct EgoEntry *ego_entry;
+ struct MHD_Response *resp;
+ json_t *json_root;
+ json_t *json_ego;
+ char *result_str;
+
+ json_root = json_array ();
+ //Return ego/egos
+ for (ego_entry = handle->ego_head;
+ NULL != ego_entry; ego_entry = ego_entry->next)
+ {
+ json_ego = json_object ();
+ json_object_set_new (json_ego,
+ GNUNET_REST_IDENTITY_PARAM_PUBKEY,
+ json_string (ego_entry->keystring));
+ json_object_set_new (json_ego,
+ GNUNET_REST_IDENTITY_PARAM_NAME,
+ json_string (ego_entry->identifier));
+ json_array_append (json_root, json_ego);
+ json_decref (json_ego);
+ }
+
+ if ((size_t) 0 == json_array_size (json_root))
+ {
+ json_decref (json_root);
+ handle->response_code = MHD_HTTP_NOT_FOUND;
+ handle->emsg = GNUNET_strdup(GNUNET_REST_IDENTITY_NOT_FOUND);
+ GNUNET_SCHEDULER_add_now (&do_error, handle);
+ return;
+ }
+
+ result_str = json_dumps (json_root, 0);
+ GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Result %s\n", result_str);
+ resp = GNUNET_REST_create_response (result_str);
+
+ json_decref (json_root);
+ handle->proc (handle->proc_cls, resp, MHD_HTTP_OK);
+ GNUNET_free(result_str);
+ GNUNET_SCHEDULER_add_now (&cleanup_handle, handle);
+}
+
+
+/**
+ * Responds with the ego_entry identity
+ *
+ * @param handle the struct RequestHandle
+ * @param ego_entry the struct EgoEntry for the response
+ */
+void
+ego_get_response (struct RequestHandle *handle, struct EgoEntry *ego_entry)
+{
+ struct MHD_Response *resp;
+ json_t *json_ego;
+ char *result_str;
+
+ json_ego = json_object ();
+ json_object_set_new (json_ego,
+ GNUNET_REST_IDENTITY_PARAM_PUBKEY,
+ json_string (ego_entry->keystring));
+ json_object_set_new (json_ego,
+ GNUNET_REST_IDENTITY_PARAM_NAME,
+ json_string (ego_entry->identifier));
+
+ result_str = json_dumps (json_ego, 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);
+
+ json_decref (json_ego);
+ GNUNET_free(result_str);
+ GNUNET_SCHEDULER_add_now (&cleanup_handle, handle);
+}
+
+
+/**
+ * Handle identity GET request with a public key
+ *
+ * @param con_handle the connection handle
+ * @param url the url
+ * @param cls the RequestHandle
+ */
+void
+ego_get_pubkey (struct GNUNET_REST_RequestHandle *con_handle,
+ const char* url,
+ void *cls)
+{
+ struct RequestHandle *handle = cls;
+ struct EgoEntry *ego_entry;
+ char *keystring;
+
+ keystring = NULL;
+
+ if (strlen (GNUNET_REST_API_NS_IDENTITY_PUBKEY) >= strlen (handle->url))
+ {
+ handle->response_code = MHD_HTTP_NOT_FOUND;
+ handle->emsg = GNUNET_strdup(GNUNET_REST_IDENTITY_MISSING_PUBKEY);
+ GNUNET_SCHEDULER_add_now (&do_error, handle);
+ return;
+ }
+ keystring = &handle->url[strlen (GNUNET_REST_API_NS_IDENTITY_PUBKEY)+1];
+ ego_entry = get_egoentry(handle, keystring, NULL);
+
+ if (NULL == ego_entry)
+ {
+ handle->response_code = MHD_HTTP_NOT_FOUND;
+ handle->emsg = GNUNET_strdup(GNUNET_REST_IDENTITY_NOT_FOUND);
+ GNUNET_SCHEDULER_add_now (&do_error, handle);
+ return;
+ }
+
+ ego_get_response(handle, ego_entry);
+}
+
+/**
+ * Handle identity GET request with a name
+ *
+ * @param con_handle the connection handle
+ * @param url the url
+ * @param cls the RequestHandle
+ */
+void
+ego_get_name (struct GNUNET_REST_RequestHandle *con_handle,
+ const char* url,
+ void *cls)
+{
+ struct RequestHandle *handle = cls;
+ struct EgoEntry *ego_entry;
+ char *egoname;
+
+ egoname = NULL;
+
+ if (strlen (GNUNET_REST_API_NS_IDENTITY_NAME) >= strlen (handle->url))
+ {
+ handle->response_code = MHD_HTTP_NOT_FOUND;
+ handle->emsg = GNUNET_strdup(GNUNET_REST_IDENTITY_MISSING_NAME);
+ GNUNET_SCHEDULER_add_now (&do_error, handle);
+ return;
+ }
+ egoname = &handle->url[strlen (GNUNET_REST_API_NS_IDENTITY_NAME)+1];
+ ego_entry = get_egoentry(handle, NULL, egoname);
+
+ if (NULL == ego_entry)
+ {
+ handle->response_code = MHD_HTTP_NOT_FOUND;
+ handle->emsg = GNUNET_strdup(GNUNET_REST_IDENTITY_NOT_FOUND);
+ GNUNET_SCHEDULER_add_now (&do_error, handle);
+ return;
+ }
+
+ ego_get_response(handle, ego_entry);
+}
+
+
+/**
+ * Processing finished
+ *
+ * @param cls request handle
+ * @param emsg error message
+ */
+static void
+do_finished (void *cls, const char *emsg)
+{
+ struct RequestHandle *handle = cls;
+ struct MHD_Response *resp;
+
+ handle->op = NULL;
+ if (NULL != emsg)
+ {
+ handle->emsg = GNUNET_strdup(emsg);
+ GNUNET_SCHEDULER_add_now (&do_error, handle);
+ return;
+ }
+ if (0 == handle->response_code)
+ {
+ handle->response_code = MHD_HTTP_NO_CONTENT;
+ }
+ resp = GNUNET_REST_create_response (NULL);
+ handle->proc (handle->proc_cls, resp, handle->response_code);
+ GNUNET_SCHEDULER_add_now (&cleanup_handle, handle);
+}
+
+
+/**
+ * Processing edit ego with EgoEntry ego_entry
+ *
+ * @param handle the struct RequestHandle
+ * @param ego_entry the struct EgoEntry we want to edit
+ */
+void
+ego_edit (struct RequestHandle *handle, struct EgoEntry *ego_entry)
+{
+ struct EgoEntry *ego_entry_tmp;
+ struct MHD_Response *resp;
+ json_t *data_js;
+ json_error_t err;
+ char *newname;
+ char term_data[handle->data_size + 1];
+ int json_state;
+
+ //if no data
+ if (0 >= handle->data_size)
+ {
+ handle->emsg = GNUNET_strdup(GNUNET_REST_ERROR_NO_DATA);
+ GNUNET_SCHEDULER_add_now (&do_error, handle);
+ return;
+ }
+ //if not json
+ term_data[handle->data_size] = '\0';
+ GNUNET_memcpy(term_data, handle->data, handle->data_size);
+ data_js = json_loads (term_data,JSON_DECODE_ANY,&err);
+
+ if (NULL == data_js)
+ {
+ handle->emsg = GNUNET_strdup(GNUNET_REST_ERROR_NO_DATA);
+ GNUNET_SCHEDULER_add_now (&do_error, handle);
+ return;
+ }
+
+ newname = NULL;
+ //NEW NAME
+ json_state = 0;
+ json_state = json_unpack(data_js,
+ "{s:s!}",
+ GNUNET_REST_IDENTITY_PARAM_NEWNAME,
+ &newname);
+ //Change name with pubkey or name identifier
+ if (0 != json_state)
+ {
+
+ handle->emsg = GNUNET_strdup(GNUNET_REST_ERROR_DATA_INVALID);
+ GNUNET_SCHEDULER_add_now (&do_error, handle);
+ json_decref (data_js);
+ return;
+ }
+
+ if (NULL == newname)
+ {
+ handle->emsg = GNUNET_strdup(GNUNET_REST_ERROR_DATA_INVALID);
+ GNUNET_SCHEDULER_add_now (&do_error, handle);
+ json_decref (data_js);
+ return;
+ }
+
+ if (0 >= strlen (newname))
+ {
+ handle->emsg = GNUNET_strdup(GNUNET_REST_ERROR_DATA_INVALID);
+ GNUNET_SCHEDULER_add_now (&do_error, handle);
+ json_decref (data_js);
+ return;
+ }
+
+ ego_entry_tmp = get_egoentry (handle, NULL, newname);
+ if (NULL != ego_entry_tmp)
+ {
+ //Ego with same name not allowed (even if its the ego we change)
+ resp = GNUNET_REST_create_response (NULL);
+ handle->proc (handle->proc_cls, resp, MHD_HTTP_CONFLICT);
+ GNUNET_SCHEDULER_add_now (&cleanup_handle, handle);
+ json_decref (data_js);
+ return;
+ }
+ handle->op = GNUNET_IDENTITY_rename (handle->identity_handle,
+ ego_entry->identifier,
+ newname,
+ &do_finished,
+ handle);
+ if (NULL == handle->op)
+ {
+ handle->emsg = GNUNET_strdup("Rename failed");
+ GNUNET_SCHEDULER_add_now (&do_error, handle);
+ json_decref (data_js);
+ return;
+ }
+ json_decref (data_js);
+ return;
+
+}
+
+
+/**
+ * Handle identity PUT request with public key
+ *
+ * @param con_handle the connection handle
+ * @param url the url
+ * @param cls the RequestHandle
+ */
+void
+ego_edit_pubkey (struct GNUNET_REST_RequestHandle *con_handle,
+ const char* url,
+ void *cls)
+{
+ struct RequestHandle *handle = cls;
+ struct EgoEntry *ego_entry;
+ char *keystring;
+
+ keystring = NULL;
+
+ if (strlen (GNUNET_REST_API_NS_IDENTITY_PUBKEY) >= strlen (handle->url))
+ {
+ handle->response_code = MHD_HTTP_NOT_FOUND;
+ handle->emsg = GNUNET_strdup(GNUNET_REST_IDENTITY_MISSING_PUBKEY);
+ GNUNET_SCHEDULER_add_now (&do_error, handle);
+ return;
+ }
+ keystring = &handle->url[strlen (GNUNET_REST_API_NS_IDENTITY_PUBKEY)+1];
+ ego_entry = get_egoentry(handle, keystring, NULL);
+
+ if (NULL == ego_entry)
+ {
+ handle->response_code = MHD_HTTP_NOT_FOUND;
+ handle->emsg = GNUNET_strdup(GNUNET_REST_IDENTITY_NOT_FOUND);
+ GNUNET_SCHEDULER_add_now (&do_error, handle);
+ return;
+ }
+
+ ego_edit(handle,ego_entry);
+}
+
+/**
+ * Handle identity PUT request with name
+ *
+ * @param con_handle the connection handle
+ * @param url the url
+ * @param cls the RequestHandle
+ */
+void
+ego_edit_name (struct GNUNET_REST_RequestHandle *con_handle,
+ const char* url,
+ void *cls)
+{
+ struct RequestHandle *handle = cls;
+ struct EgoEntry *ego_entry;
+ char *name;
+
+ name = NULL;
+
+ if (strlen (GNUNET_REST_API_NS_IDENTITY_NAME) >= strlen (handle->url))
+ {
+ handle->response_code = MHD_HTTP_NOT_FOUND;
+ handle->emsg = GNUNET_strdup(GNUNET_REST_IDENTITY_MISSING_NAME);
+ GNUNET_SCHEDULER_add_now (&do_error, handle);
+ return;
+ }
+ name = &handle->url[strlen (GNUNET_REST_API_NS_IDENTITY_NAME)+1];
+ ego_entry = get_egoentry(handle, NULL, name);
+
+ if (NULL == ego_entry)
+ {
+ handle->response_code = MHD_HTTP_NOT_FOUND;
+ handle->emsg = GNUNET_strdup(GNUNET_REST_IDENTITY_NOT_FOUND);
+ GNUNET_SCHEDULER_add_now (&do_error, handle);
+ return;
+ }
+
+ ego_edit(handle,ego_entry);
+}
+
+/**
+ * Handle identity subsystem PUT request with name
+ *
+ * @param con_handle the connection handle
+ * @param url the url
+ * @param cls the RequestHandle
+ */
+void
+ego_edit_subsystem (struct GNUNET_REST_RequestHandle *con_handle,
+ const char* url,
+ void *cls)
+{
+ struct RequestHandle *handle = cls;
+ struct EgoEntry *ego_entry;
+ json_t *data_js;
+ json_error_t err;
+ char *newsubsys;
+ char *name;
+ char term_data[handle->data_size + 1];
+ int json_state;
+
+ name = NULL;
+
+ if (strlen (GNUNET_REST_API_NS_IDENTITY_SUBSYSTEM) >= strlen (handle->url))
+ {
+ handle->response_code = MHD_HTTP_NOT_FOUND;
+ handle->emsg = GNUNET_strdup(GNUNET_REST_IDENTITY_MISSING_NAME);
+ GNUNET_SCHEDULER_add_now (&do_error, handle);
+ return;
+ }
+ name = &handle->url[strlen (GNUNET_REST_API_NS_IDENTITY_SUBSYSTEM)+1];
+ ego_entry = get_egoentry(handle, NULL, name);
+
+ if (NULL == ego_entry)
+ {
+ handle->response_code = MHD_HTTP_NOT_FOUND;
+ handle->emsg = GNUNET_strdup(GNUNET_REST_IDENTITY_NOT_FOUND);
+ GNUNET_SCHEDULER_add_now (&do_error, handle);
+ return;
+ }
+
+ //if no data
+ if (0 >= handle->data_size)
+ {
+ handle->emsg = GNUNET_strdup(GNUNET_REST_ERROR_NO_DATA);
+ GNUNET_SCHEDULER_add_now (&do_error, handle);
+ return;
+ }
+ //if not json
+ term_data[handle->data_size] = '\0';
+ GNUNET_memcpy(term_data, handle->data, handle->data_size);
+ data_js = json_loads (term_data,JSON_DECODE_ANY,&err);
+
+ if (NULL == data_js)
+ {
+ handle->emsg = GNUNET_strdup(GNUNET_REST_ERROR_NO_DATA);
+ GNUNET_SCHEDULER_add_now (&do_error, handle);
+ return;
+ }
+
+ newsubsys = NULL;
+ //SUBSYSTEM
+ json_state = 0;
+ json_state = json_unpack(data_js,
+ "{s:s!}",
+ GNUNET_REST_IDENTITY_PARAM_SUBSYSTEM,
+ &newsubsys);
+ //Change subsystem with pubkey or name identifier
+ if (0 != json_state)
+ {
+ handle->emsg = GNUNET_strdup(GNUNET_REST_ERROR_DATA_INVALID);
+ GNUNET_SCHEDULER_add_now (&do_error, handle);
+ json_decref (data_js);
+ return;
+ }
+
+ if (NULL == newsubsys)
+ {
+ handle->emsg = GNUNET_strdup(GNUNET_REST_ERROR_DATA_INVALID);
+ GNUNET_SCHEDULER_add_now (&do_error, handle);
+ json_decref (data_js);
+ return;
+ }
+
+ if (0 >= strlen (newsubsys))
+ {
+ handle->emsg = GNUNET_strdup(GNUNET_REST_ERROR_DATA_INVALID);
+ GNUNET_SCHEDULER_add_now (&do_error, handle);
+ json_decref (data_js);
+ return;
+ }
+
+ handle->response_code = MHD_HTTP_NO_CONTENT;
+ handle->op = GNUNET_IDENTITY_set (handle->identity_handle,
+ newsubsys,
+ ego_entry->ego,
+ &do_finished,
+ handle);
+ if (NULL == handle->op)
+ {
+ handle->emsg = GNUNET_strdup("Setting subsystem failed");
+ GNUNET_SCHEDULER_add_now (&do_error, handle);
+ return;
+ }
+ json_decref (data_js);
+ return;
+
+}
+
+/**
+ * Handle identity POST request
+ *
+ * @param con_handle the connection handle
+ * @param url the url
+ * @param cls the RequestHandle
+ */
+void
+ego_create (struct GNUNET_REST_RequestHandle *con_handle,
+ const char* url,
+ void *cls)
+{
+ struct RequestHandle *handle = cls;
+ struct EgoEntry *ego_entry;
+ struct MHD_Response *resp;
+ json_t *data_js;
+ json_error_t err;
+ char* egoname;
+ int json_unpack_state;
+ char term_data[handle->data_size + 1];
+
+ if (strlen (GNUNET_REST_API_NS_IDENTITY) != strlen (handle->url))
+ {
+ GNUNET_SCHEDULER_add_now (&do_error, handle);
+ return;
+ }
+
+ if (0 >= handle->data_size)
+ {
+ handle->emsg = GNUNET_strdup(GNUNET_REST_ERROR_NO_DATA);
+ GNUNET_SCHEDULER_add_now (&do_error, handle);
+ return;
+ }
+ term_data[handle->data_size] = '\0';
+ GNUNET_memcpy(term_data, handle->data, handle->data_size);
+ data_js = json_loads (term_data,
+ JSON_DECODE_ANY,
+ &err);
+ if (NULL == data_js)
+ {
+ handle->emsg = GNUNET_strdup(GNUNET_REST_ERROR_NO_DATA);
+ GNUNET_SCHEDULER_add_now (&do_error, handle);
+ json_decref (data_js);
+ return;
+ }
+ json_unpack_state = 0;
+ json_unpack_state = json_unpack(data_js,
+ "{s:s!}",
+ GNUNET_REST_IDENTITY_PARAM_NAME,
+ &egoname);
+ if (0 != json_unpack_state)
+ {
+ handle->emsg = GNUNET_strdup(GNUNET_REST_ERROR_DATA_INVALID);
+ GNUNET_SCHEDULER_add_now (&do_error, handle);
+ json_decref (data_js);
+ return;
+ }
+
+ if (NULL == egoname)
+ {
+ handle->emsg = GNUNET_strdup(GNUNET_REST_ERROR_DATA_INVALID);
+ GNUNET_SCHEDULER_add_now (&do_error, handle);
+ json_decref (data_js);
+ return;
+ }
+ if (0 >= strlen (egoname))
+ {
+ json_decref (data_js);
+ handle->emsg = GNUNET_strdup(GNUNET_REST_ERROR_DATA_INVALID);
+ GNUNET_SCHEDULER_add_now (&do_error, handle);
+ return;
+ }
+ GNUNET_STRINGS_utf8_tolower(egoname, egoname);
+ for (ego_entry = handle->ego_head;
+ NULL != ego_entry; ego_entry = ego_entry->next)
+ {
+ if (0 == strcasecmp (egoname, ego_entry->identifier))
+ {
+ resp = GNUNET_REST_create_response (NULL);
+ handle->proc (handle->proc_cls, resp, MHD_HTTP_CONFLICT);
+ GNUNET_SCHEDULER_add_now (&cleanup_handle, handle);
+ json_decref (data_js);
+ return;
+ }
+ }
+ handle->name = GNUNET_strdup(egoname);
+ json_decref (data_js);
+ handle->response_code = MHD_HTTP_CREATED;
+ handle->op = GNUNET_IDENTITY_create (handle->identity_handle, handle->name,
+ &do_finished, handle);
+}
+
+/**
+ * Handle identity DELETE request with public key
+ *
+ * @param con_handle the connection handle
+ * @param url the url
+ * @param cls the RequestHandle
+ */
+void
+ego_delete_pubkey (struct GNUNET_REST_RequestHandle *con_handle,
+ const char* url,
+ void *cls)
+{
+ struct RequestHandle *handle = cls;
+ struct EgoEntry *ego_entry;
+ char *keystring;
+
+ keystring = NULL;
+
+ if (strlen (GNUNET_REST_API_NS_IDENTITY_PUBKEY) >= strlen (handle->url))
+ {
+ handle->response_code = MHD_HTTP_NOT_FOUND;
+ handle->emsg = GNUNET_strdup(GNUNET_REST_IDENTITY_MISSING_PUBKEY);
+ GNUNET_SCHEDULER_add_now (&do_error, handle);
+ return;
+ }
+ keystring = &handle->url[strlen (GNUNET_REST_API_NS_IDENTITY_PUBKEY)+1];
+ ego_entry = get_egoentry(handle, keystring, NULL);
+
+ if (NULL == ego_entry)
+ {
+ handle->response_code = MHD_HTTP_NOT_FOUND;
+ handle->emsg = GNUNET_strdup(GNUNET_REST_IDENTITY_NOT_FOUND);
+ GNUNET_SCHEDULER_add_now (&do_error, handle);
+ return;
+ }
+
+ handle->response_code = MHD_HTTP_NO_CONTENT;
+ handle->op = GNUNET_IDENTITY_delete (handle->identity_handle,
+ ego_entry->identifier,
+ &do_finished,
+ handle);
+}
+
+
+/**
+ * Handle identity DELETE request with name
+ *
+ * @param con_handle the connection handle
+ * @param url the url
+ * @param cls the RequestHandle
+ */
+void
+ego_delete_name (struct GNUNET_REST_RequestHandle *con_handle,
+ const char* url,
+ void *cls)
+{
+ struct RequestHandle *handle = cls;
+ struct EgoEntry *ego_entry;
+ char *name;
+
+ name = NULL;
+
+ if (strlen (GNUNET_REST_API_NS_IDENTITY_NAME) >= strlen (handle->url))
+ {
+ handle->response_code = MHD_HTTP_NOT_FOUND;
+ handle->emsg = GNUNET_strdup(GNUNET_REST_IDENTITY_MISSING_NAME);
+ GNUNET_SCHEDULER_add_now (&do_error, handle);
+ return;
+ }
+ name = &handle->url[strlen (GNUNET_REST_API_NS_IDENTITY_NAME)+1];
+ ego_entry = get_egoentry(handle, NULL, name);
+
+ if (NULL == ego_entry)
+ {
+ handle->response_code = MHD_HTTP_NOT_FOUND;
+ handle->emsg = GNUNET_strdup(GNUNET_REST_IDENTITY_NOT_FOUND);
+ GNUNET_SCHEDULER_add_now (&do_error, handle);
+ return;
+ }
+
+ handle->response_code = MHD_HTTP_NO_CONTENT;
+ handle->op = GNUNET_IDENTITY_delete (handle->identity_handle,
+ ego_entry->identifier,
+ &do_finished,
+ handle);
+}
+
+
+/**
+ * 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);
+ GNUNET_SCHEDULER_add_now (&cleanup_handle, handle);
+ return;
+}
+
+/**
+ * Handle rest request
+ *
+ * @param handle the request handle
+ */
+static void
+init_cont (struct RequestHandle *handle)
+{
+ struct GNUNET_REST_RequestHandlerError err;
+ static const struct GNUNET_REST_RequestHandler handlers[] = {
+ { MHD_HTTP_METHOD_GET, GNUNET_REST_API_NS_IDENTITY_ALL, &ego_get_all },
+ { MHD_HTTP_METHOD_GET, GNUNET_REST_API_NS_IDENTITY_PUBKEY, &ego_get_pubkey },
+ { MHD_HTTP_METHOD_GET, GNUNET_REST_API_NS_IDENTITY_NAME, &ego_get_name },
+ { MHD_HTTP_METHOD_GET, GNUNET_REST_API_NS_IDENTITY_SUBSYSTEM, &ego_get_subsystem },
+ { MHD_HTTP_METHOD_PUT, GNUNET_REST_API_NS_IDENTITY_PUBKEY, &ego_edit_pubkey },
+ { MHD_HTTP_METHOD_PUT, GNUNET_REST_API_NS_IDENTITY_NAME, &ego_edit_name },
+ { MHD_HTTP_METHOD_PUT, GNUNET_REST_API_NS_IDENTITY_SUBSYSTEM, &ego_edit_subsystem },
+ { MHD_HTTP_METHOD_POST, GNUNET_REST_API_NS_IDENTITY, &ego_create },
+ { MHD_HTTP_METHOD_DELETE, GNUNET_REST_API_NS_IDENTITY_PUBKEY, &ego_delete_pubkey },
+ { MHD_HTTP_METHOD_DELETE, GNUNET_REST_API_NS_IDENTITY_NAME, &ego_delete_name },
+ { MHD_HTTP_METHOD_OPTIONS, GNUNET_REST_API_NS_IDENTITY, &options_cont },
+ GNUNET_REST_HANDLER_END
+ };
+
+ 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, handle);
+ }
+}
+
+/**
+ * If listing is enabled, prints information about the egos.
+ *
+ * This function is initially called for all egos and then again
+ * whenever a ego's identifier changes or if it is deleted. At the
+ * end of the initial pass over all egos, the function is once called
+ * with 'NULL' for 'ego'. That does NOT mean that the callback won't
+ * be invoked in the future or that there was an error.
+ *
+ * When used with 'GNUNET_IDENTITY_create' or 'GNUNET_IDENTITY_get',
+ * this function is only called ONCE, and 'NULL' being passed in
+ * 'ego' does indicate an error (i.e. name is taken or no default
+ * value is known). If 'ego' is non-NULL and if '*ctx'
+ * is set in those callbacks, the value WILL be passed to a subsequent
+ * call to the identity callback of 'GNUNET_IDENTITY_connect' (if
+ * that one was not NULL).
+ *
+ * When an identity is renamed, this function is called with the
+ * (known) ego but the NEW identifier.
+ *
+ * When an identity is deleted, this function is called with the
+ * (known) ego and "NULL" for the 'identifier'. In this case,
+ * the 'ego' is henceforth invalid (and the 'ctx' should also be
+ * cleaned up).
+ *
+ * @param cls closure
+ * @param ego ego handle
+ * @param ctx context for application to store data for this ego
+ * (during the lifetime of this process, initially NULL)
+ * @param identifier identifier assigned by the user for this ego,
+ * NULL if the user just deleted the ego and it
+ * must thus no longer be used
+ */
+static void
+init_egos (void *cls, struct GNUNET_IDENTITY_Ego *ego, void **ctx,
+ const char *identifier)
+{
+ struct RequestHandle *handle = cls;
+ struct EgoEntry *ego_entry;
+ struct GNUNET_CRYPTO_EcdsaPublicKey pk;
+
+ if ((NULL == ego) && (ID_REST_STATE_INIT == handle->state))
+ {
+ handle->state = ID_REST_STATE_POST_INIT;
+ init_cont (handle);
+ return;
+ }
+ if (ID_REST_STATE_INIT == handle->state)
+ {
+ 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->ego = ego;
+ GNUNET_asprintf (&ego_entry->identifier, "%s", identifier);
+ GNUNET_CONTAINER_DLL_insert_tail(handle->ego_head, handle->ego_tail,
+ ego_entry);
+ }
+}
+
+/**
+ * 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_process_request (struct GNUNET_REST_RequestHandle *rest_handle,
+ GNUNET_REST_ResultProcessor proc, void *proc_cls)
+{
+ struct RequestHandle *handle = GNUNET_new(struct RequestHandle);
+
+ 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->data = rest_handle->data;
+ handle->data_size = rest_handle->data_size;
+
+ 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->identity_handle = GNUNET_IDENTITY_connect (cfg, &init_egos, handle);
+
+ 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.
+ *
+ * @param cls Config info
+ * @return NULL on error, otherwise the plugin context
+ */
+void *
+libgnunet_plugin_rest_identity_init (void *cls)
+{
+ static struct Plugin plugin;
+ struct GNUNET_REST_Plugin *api;
+
+ cfg = cls;
+ 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_IDENTITY;
+ api->process_request = &rest_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_DEBUG, _("Identity 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_identity_done (void *cls)
+{
+ struct GNUNET_REST_Plugin *api = cls;
+ struct Plugin *plugin = api->cls;
+ plugin->cfg = NULL;
+
+ GNUNET_free_non_null(allow_methods);
+ GNUNET_free(api);
+ GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Identity REST plugin is finished\n");
+ return NULL;
+}
+
+/* end of plugin_rest_identity.c */
+
plugin_LTLIBRARIES = \
libgnunet_plugin_rest_copying.la \
libgnunet_plugin_rest_peerinfo.la \
- libgnunet_plugin_rest_identity.la \
libgnunet_plugin_rest_namestore.la
libgnunet_plugin_rest_peerinfo_la_LDFLAGS = \
$(GN_PLUGIN_LDFLAGS)
-libgnunet_plugin_rest_identity_la_SOURCES = \
- plugin_rest_identity.c
-libgnunet_plugin_rest_identity_la_LIBADD = \
- $(top_builddir)/src/identity/libgnunetidentity.la \
- $(top_builddir)/src/rest/libgnunetrest.la \
- $(top_builddir)/src/util/libgnunetutil.la $(XLIBS) \
- $(LTLIBINTL) -ljansson -lmicrohttpd
-libgnunet_plugin_rest_identity_la_LDFLAGS = \
- $(GN_PLUGIN_LDFLAGS)
-
libgnunet_plugin_rest_namestore_la_SOURCES = \
+++ /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/>.
-
- SPDX-License-Identifier: AGPL3.0-or-later
- */
-/**
- * @author Martin Schanzenbach
- * @author Philippe Buschmann
- * @file identity/plugin_rest_identity.c
- * @brief GNUnet Identity REST plugin
- */
-
-#include "platform.h"
-#include "gnunet_rest_plugin.h"
-#include "gnunet_identity_service.h"
-#include "gnunet_rest_lib.h"
-#include "microhttpd.h"
-#include <jansson.h>
-
-/**
- * Identity Namespace
- */
-#define GNUNET_REST_API_NS_IDENTITY "/identity"
-
-/**
- * Identity Namespace with public key specifier
- */
-#define GNUNET_REST_API_NS_IDENTITY_ALL "/identity/all"
-
-/**
- * Identity Namespace with public key specifier
- */
-#define GNUNET_REST_API_NS_IDENTITY_PUBKEY "/identity/pubkey"
-
-/**
- * Identity Namespace with public key specifier
- */
-#define GNUNET_REST_API_NS_IDENTITY_NAME "/identity/name"
-
-/**
- * Identity Subsystem Namespace
- */
-#define GNUNET_REST_API_NS_IDENTITY_SUBSYSTEM "/identity/subsystem"
-
-/**
- * Parameter public key
- */
-#define GNUNET_REST_IDENTITY_PARAM_PUBKEY "pubkey"
-
-/**
- * Parameter subsystem
- */
-#define GNUNET_REST_IDENTITY_PARAM_SUBSYSTEM "subsystem"
-
-/**
- * Parameter name
- */
-#define GNUNET_REST_IDENTITY_PARAM_NAME "name"
-
-/**
- * Parameter new name
- */
-#define GNUNET_REST_IDENTITY_PARAM_NEWNAME "newname"
-
-/**
- * Error message Unknown Error
- */
-#define GNUNET_REST_IDENTITY_ERROR_UNKNOWN "Unknown Error"
-
-/**
- * Error message No identity found
- */
-#define GNUNET_REST_IDENTITY_NOT_FOUND "No identity found"
-
-/**
- * Error message Missing identity name
- */
-#define GNUNET_REST_IDENTITY_MISSING_NAME "Missing identity name"
-
-/**
- * Error message Missing identity name
- */
-#define GNUNET_REST_IDENTITY_MISSING_PUBKEY "Missing identity public key"
-
-/**
- * Error message No data
- */
-#define GNUNET_REST_ERROR_NO_DATA "No data"
-
-/**
- * Error message Data invalid
- */
-#define GNUNET_REST_ERROR_DATA_INVALID "Data invalid"
-
-/**
- * State while collecting all egos
- */
-#define ID_REST_STATE_INIT 0
-
-/**
- * Done collecting egos
- */
-#define ID_REST_STATE_POST_INIT 1
-
-/**
- * The configuration handle
- */
-const struct GNUNET_CONFIGURATION_Handle *cfg;
-
-/**
- * HTTP methods allows for this plugin
- */
-static char* allow_methods;
-
-/**
- * @brief struct returned by the initialization function of the plugin
- */
-struct Plugin
-{
- const struct GNUNET_CONFIGURATION_Handle *cfg;
-};
-
-/**
- * The ego list
- */
-struct EgoEntry
-{
- /**
- * DLL
- */
- struct EgoEntry *next;
-
- /**
- * DLL
- */
- struct EgoEntry *prev;
-
- /**
- * Ego Identifier
- */
- char *identifier;
-
- /**
- * Public key string
- */
- char *keystring;
-
- /**
- * The Ego
- */
- struct GNUNET_IDENTITY_Ego *ego;
-};
-
-/**
- * The request handle
- */
-struct RequestHandle
-{
- /**
- * The data from the REST request
- */
- const char* data;
-
- /**
- * The name to look up
- */
- char *name;
-
- /**
- * the length of the REST data
- */
- size_t data_size;
-
-
- /**
- * Ego list
- */
- struct EgoEntry *ego_head;
-
- /**
- * Ego list
- */
- struct EgoEntry *ego_tail;
-
- /**
- * The processing state
- */
- int state;
-
- /**
- * Handle to Identity service.
- */
- struct GNUNET_IDENTITY_Handle *identity_handle;
-
- /**
- * IDENTITY Operation
- */
- struct GNUNET_IDENTITY_Operation *op;
-
- /**
- * Rest connection
- */
- struct GNUNET_REST_RequestHandle *rest_handle;
-
- /**
- * 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;
-
- /**
- * Error response message
- */
- char *emsg;
-
- /**
- * Response code
- */
- int response_code;
-
-};
-
-/**
- * Cleanup lookup handle
- * @param handle Handle to clean up
- */
-static void
-cleanup_handle (void *cls)
-{
- struct RequestHandle *handle = cls;
- struct EgoEntry *ego_entry;
- struct EgoEntry *ego_tmp;
-
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Cleaning up\n");
- if (NULL != handle->timeout_task)
- {
- GNUNET_SCHEDULER_cancel (handle->timeout_task);
- handle->timeout_task = NULL;
- }
-
- if (NULL != handle->url)
- GNUNET_free(handle->url);
- if (NULL != handle->emsg)
- GNUNET_free(handle->emsg);
- if (NULL != handle->name)
- GNUNET_free (handle->name);
- if (NULL != handle->identity_handle)
- GNUNET_IDENTITY_disconnect (handle->identity_handle);
-
- for (ego_entry = handle->ego_head;
- NULL != ego_entry;)
- {
- ego_tmp = ego_entry;
- ego_entry = ego_entry->next;
- GNUNET_free(ego_tmp->identifier);
- GNUNET_free(ego_tmp->keystring);
- GNUNET_free(ego_tmp);
- }
-
- 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;
- json_t *json_error = json_object();
- char *response;
-
- if (NULL == handle->emsg)
- handle->emsg = GNUNET_strdup(GNUNET_REST_IDENTITY_ERROR_UNKNOWN);
-
- json_object_set_new(json_error,"error", json_string(handle->emsg));
-
- if (0 == handle->response_code)
- handle->response_code = MHD_HTTP_OK;
- response = json_dumps (json_error, 0);
- resp = GNUNET_REST_create_response (response);
- handle->proc (handle->proc_cls, resp, handle->response_code);
- json_decref(json_error);
- GNUNET_free(response);
- GNUNET_SCHEDULER_add_now (&cleanup_handle, handle);
-}
-
-
-
-/**
- * Get EgoEntry from list with either a public key or a name
- * If public key and name are not NULL, it returns the public key result first
- *
- * @param handle the RequestHandle
- * @param pubkey the public key of an identity (only one can be NULL)
- * @param name the name of an identity (only one can be NULL)
- * @return EgoEntry or NULL if not found
- */
-struct EgoEntry*
-get_egoentry(struct RequestHandle *handle, char* pubkey, char *name)
-{
- struct EgoEntry *ego_entry;
- if (NULL != pubkey)
- {
- for (ego_entry = handle->ego_head;
- NULL != ego_entry;
- ego_entry = ego_entry->next)
- {
- if (0 != strcasecmp (pubkey, ego_entry->keystring))
- continue;
- return ego_entry;
- }
- }
- if (NULL != name)
- {
- for (ego_entry = handle->ego_head;
- NULL != ego_entry;
- ego_entry = ego_entry->next)
- {
- if (0 != strcasecmp (name, ego_entry->identifier))
- continue;
- return ego_entry;
- }
- }
- return NULL;
-}
-
-
-/**
- * Callback for GET Request with subsystem
- *
- * @param cls the RequestHandle
- * @param ego the Ego found
- * @param ctx the context
- * @param name the id of the ego
- */
-static void
-ego_get_for_subsystem (void *cls,
- struct GNUNET_IDENTITY_Ego *ego,
- void **ctx,
- const char *name)
-{
- struct RequestHandle *handle = cls;
- struct MHD_Response *resp;
- struct GNUNET_CRYPTO_EcdsaPublicKey public_key;
- json_t *json_root;
- char *result_str;
- char *public_key_string;
-
- if(NULL == ego)
- {
- handle->response_code = MHD_HTTP_NOT_FOUND;
- handle->emsg = GNUNET_strdup(GNUNET_REST_IDENTITY_NOT_FOUND);
- GNUNET_SCHEDULER_add_now (&do_error, handle);
- return;
- }
-
- GNUNET_IDENTITY_ego_get_public_key(ego,&public_key);
- public_key_string = GNUNET_CRYPTO_ecdsa_public_key_to_string(&public_key);
-
- // create json with subsystem identity
- json_root = json_object ();
- json_object_set_new (json_root,
- GNUNET_REST_IDENTITY_PARAM_PUBKEY,
- json_string(public_key_string));
- json_object_set_new (json_root,
- GNUNET_REST_IDENTITY_PARAM_NAME,
- json_string(name));
-
- result_str = json_dumps (json_root, 0);
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Result %s\n", result_str);
- resp = GNUNET_REST_create_response (result_str);
-
- json_decref (json_root);
- handle->proc (handle->proc_cls, resp, MHD_HTTP_OK);
- GNUNET_free(result_str);
- GNUNET_free(public_key_string);
- GNUNET_SCHEDULER_add_now (&cleanup_handle, handle);
-}
-
-/**
- * Handle identity GET request for subsystem
- *
- * @param con_handle the connection handle
- * @param url the url
- * @param cls the RequestHandle
- */
-void
-ego_get_subsystem (struct GNUNET_REST_RequestHandle *con_handle,
- const char* url,
- void *cls)
-{
- struct RequestHandle *handle = cls;
- char *subsystem;
-
- if (strlen (GNUNET_REST_API_NS_IDENTITY_SUBSYSTEM) >= strlen (handle->url))
- {
- handle->emsg = GNUNET_strdup("Missing subsystem name");
- GNUNET_SCHEDULER_add_now (&do_error, handle);
- return;
- }
- subsystem = &handle->url[strlen (
- GNUNET_REST_API_NS_IDENTITY_SUBSYSTEM) + 1];
- //requested default identity of subsystem
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Looking for %s's ego\n", subsystem);
-
- handle->op = GNUNET_IDENTITY_get (handle->identity_handle,
- subsystem,
- &ego_get_for_subsystem,
- handle);
-
- if (NULL == handle->op)
- {
- handle->response_code = MHD_HTTP_NOT_FOUND;
- handle->emsg = GNUNET_strdup(GNUNET_REST_IDENTITY_NOT_FOUND);
- GNUNET_SCHEDULER_add_now (&do_error, handle);
- return;
- }
-}
-
-
-/**
- * Handle identity GET request - responds with all identities
- *
- * @param con_handle the connection handle
- * @param url the url
- * @param cls the RequestHandle
- */
-void
-ego_get_all (struct GNUNET_REST_RequestHandle *con_handle,
- const char* url,
- void *cls)
-{
- struct RequestHandle *handle = cls;
- struct EgoEntry *ego_entry;
- struct MHD_Response *resp;
- json_t *json_root;
- json_t *json_ego;
- char *result_str;
-
- json_root = json_array ();
- //Return ego/egos
- for (ego_entry = handle->ego_head;
- NULL != ego_entry; ego_entry = ego_entry->next)
- {
- json_ego = json_object ();
- json_object_set_new (json_ego,
- GNUNET_REST_IDENTITY_PARAM_PUBKEY,
- json_string (ego_entry->keystring));
- json_object_set_new (json_ego,
- GNUNET_REST_IDENTITY_PARAM_NAME,
- json_string (ego_entry->identifier));
- json_array_append (json_root, json_ego);
- json_decref (json_ego);
- }
-
- if ((size_t) 0 == json_array_size (json_root))
- {
- json_decref (json_root);
- handle->response_code = MHD_HTTP_NOT_FOUND;
- handle->emsg = GNUNET_strdup(GNUNET_REST_IDENTITY_NOT_FOUND);
- GNUNET_SCHEDULER_add_now (&do_error, handle);
- return;
- }
-
- result_str = json_dumps (json_root, 0);
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Result %s\n", result_str);
- resp = GNUNET_REST_create_response (result_str);
-
- json_decref (json_root);
- handle->proc (handle->proc_cls, resp, MHD_HTTP_OK);
- GNUNET_free(result_str);
- GNUNET_SCHEDULER_add_now (&cleanup_handle, handle);
-}
-
-
-/**
- * Responds with the ego_entry identity
- *
- * @param handle the struct RequestHandle
- * @param ego_entry the struct EgoEntry for the response
- */
-void
-ego_get_response (struct RequestHandle *handle, struct EgoEntry *ego_entry)
-{
- struct MHD_Response *resp;
- json_t *json_ego;
- char *result_str;
-
- json_ego = json_object ();
- json_object_set_new (json_ego,
- GNUNET_REST_IDENTITY_PARAM_PUBKEY,
- json_string (ego_entry->keystring));
- json_object_set_new (json_ego,
- GNUNET_REST_IDENTITY_PARAM_NAME,
- json_string (ego_entry->identifier));
-
- result_str = json_dumps (json_ego, 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);
-
- json_decref (json_ego);
- GNUNET_free(result_str);
- GNUNET_SCHEDULER_add_now (&cleanup_handle, handle);
-}
-
-
-/**
- * Handle identity GET request with a public key
- *
- * @param con_handle the connection handle
- * @param url the url
- * @param cls the RequestHandle
- */
-void
-ego_get_pubkey (struct GNUNET_REST_RequestHandle *con_handle,
- const char* url,
- void *cls)
-{
- struct RequestHandle *handle = cls;
- struct EgoEntry *ego_entry;
- char *keystring;
-
- keystring = NULL;
-
- if (strlen (GNUNET_REST_API_NS_IDENTITY_PUBKEY) >= strlen (handle->url))
- {
- handle->response_code = MHD_HTTP_NOT_FOUND;
- handle->emsg = GNUNET_strdup(GNUNET_REST_IDENTITY_MISSING_PUBKEY);
- GNUNET_SCHEDULER_add_now (&do_error, handle);
- return;
- }
- keystring = &handle->url[strlen (GNUNET_REST_API_NS_IDENTITY_PUBKEY)+1];
- ego_entry = get_egoentry(handle, keystring, NULL);
-
- if (NULL == ego_entry)
- {
- handle->response_code = MHD_HTTP_NOT_FOUND;
- handle->emsg = GNUNET_strdup(GNUNET_REST_IDENTITY_NOT_FOUND);
- GNUNET_SCHEDULER_add_now (&do_error, handle);
- return;
- }
-
- ego_get_response(handle, ego_entry);
-}
-
-/**
- * Handle identity GET request with a name
- *
- * @param con_handle the connection handle
- * @param url the url
- * @param cls the RequestHandle
- */
-void
-ego_get_name (struct GNUNET_REST_RequestHandle *con_handle,
- const char* url,
- void *cls)
-{
- struct RequestHandle *handle = cls;
- struct EgoEntry *ego_entry;
- char *egoname;
-
- egoname = NULL;
-
- if (strlen (GNUNET_REST_API_NS_IDENTITY_NAME) >= strlen (handle->url))
- {
- handle->response_code = MHD_HTTP_NOT_FOUND;
- handle->emsg = GNUNET_strdup(GNUNET_REST_IDENTITY_MISSING_NAME);
- GNUNET_SCHEDULER_add_now (&do_error, handle);
- return;
- }
- egoname = &handle->url[strlen (GNUNET_REST_API_NS_IDENTITY_NAME)+1];
- ego_entry = get_egoentry(handle, NULL, egoname);
-
- if (NULL == ego_entry)
- {
- handle->response_code = MHD_HTTP_NOT_FOUND;
- handle->emsg = GNUNET_strdup(GNUNET_REST_IDENTITY_NOT_FOUND);
- GNUNET_SCHEDULER_add_now (&do_error, handle);
- return;
- }
-
- ego_get_response(handle, ego_entry);
-}
-
-
-/**
- * Processing finished
- *
- * @param cls request handle
- * @param emsg error message
- */
-static void
-do_finished (void *cls, const char *emsg)
-{
- struct RequestHandle *handle = cls;
- struct MHD_Response *resp;
-
- handle->op = NULL;
- if (NULL != emsg)
- {
- handle->emsg = GNUNET_strdup(emsg);
- GNUNET_SCHEDULER_add_now (&do_error, handle);
- return;
- }
- if (0 == handle->response_code)
- {
- handle->response_code = MHD_HTTP_NO_CONTENT;
- }
- resp = GNUNET_REST_create_response (NULL);
- handle->proc (handle->proc_cls, resp, handle->response_code);
- GNUNET_SCHEDULER_add_now (&cleanup_handle, handle);
-}
-
-
-/**
- * Processing edit ego with EgoEntry ego_entry
- *
- * @param handle the struct RequestHandle
- * @param ego_entry the struct EgoEntry we want to edit
- */
-void
-ego_edit (struct RequestHandle *handle, struct EgoEntry *ego_entry)
-{
- struct EgoEntry *ego_entry_tmp;
- struct MHD_Response *resp;
- json_t *data_js;
- json_error_t err;
- char *newname;
- char term_data[handle->data_size + 1];
- int json_state;
-
- //if no data
- if (0 >= handle->data_size)
- {
- handle->emsg = GNUNET_strdup(GNUNET_REST_ERROR_NO_DATA);
- GNUNET_SCHEDULER_add_now (&do_error, handle);
- return;
- }
- //if not json
- term_data[handle->data_size] = '\0';
- GNUNET_memcpy(term_data, handle->data, handle->data_size);
- data_js = json_loads (term_data,JSON_DECODE_ANY,&err);
-
- if (NULL == data_js)
- {
- handle->emsg = GNUNET_strdup(GNUNET_REST_ERROR_NO_DATA);
- GNUNET_SCHEDULER_add_now (&do_error, handle);
- return;
- }
-
- newname = NULL;
- //NEW NAME
- json_state = 0;
- json_state = json_unpack(data_js,
- "{s:s!}",
- GNUNET_REST_IDENTITY_PARAM_NEWNAME,
- &newname);
- //Change name with pubkey or name identifier
- if (0 != json_state)
- {
-
- handle->emsg = GNUNET_strdup(GNUNET_REST_ERROR_DATA_INVALID);
- GNUNET_SCHEDULER_add_now (&do_error, handle);
- json_decref (data_js);
- return;
- }
-
- if (NULL == newname)
- {
- handle->emsg = GNUNET_strdup(GNUNET_REST_ERROR_DATA_INVALID);
- GNUNET_SCHEDULER_add_now (&do_error, handle);
- json_decref (data_js);
- return;
- }
-
- if (0 >= strlen (newname))
- {
- handle->emsg = GNUNET_strdup(GNUNET_REST_ERROR_DATA_INVALID);
- GNUNET_SCHEDULER_add_now (&do_error, handle);
- json_decref (data_js);
- return;
- }
-
- ego_entry_tmp = get_egoentry (handle, NULL, newname);
- if (NULL != ego_entry_tmp)
- {
- //Ego with same name not allowed (even if its the ego we change)
- resp = GNUNET_REST_create_response (NULL);
- handle->proc (handle->proc_cls, resp, MHD_HTTP_CONFLICT);
- GNUNET_SCHEDULER_add_now (&cleanup_handle, handle);
- json_decref (data_js);
- return;
- }
- handle->op = GNUNET_IDENTITY_rename (handle->identity_handle,
- ego_entry->identifier,
- newname,
- &do_finished,
- handle);
- if (NULL == handle->op)
- {
- handle->emsg = GNUNET_strdup("Rename failed");
- GNUNET_SCHEDULER_add_now (&do_error, handle);
- json_decref (data_js);
- return;
- }
- json_decref (data_js);
- return;
-
-}
-
-
-/**
- * Handle identity PUT request with public key
- *
- * @param con_handle the connection handle
- * @param url the url
- * @param cls the RequestHandle
- */
-void
-ego_edit_pubkey (struct GNUNET_REST_RequestHandle *con_handle,
- const char* url,
- void *cls)
-{
- struct RequestHandle *handle = cls;
- struct EgoEntry *ego_entry;
- char *keystring;
-
- keystring = NULL;
-
- if (strlen (GNUNET_REST_API_NS_IDENTITY_PUBKEY) >= strlen (handle->url))
- {
- handle->response_code = MHD_HTTP_NOT_FOUND;
- handle->emsg = GNUNET_strdup(GNUNET_REST_IDENTITY_MISSING_PUBKEY);
- GNUNET_SCHEDULER_add_now (&do_error, handle);
- return;
- }
- keystring = &handle->url[strlen (GNUNET_REST_API_NS_IDENTITY_PUBKEY)+1];
- ego_entry = get_egoentry(handle, keystring, NULL);
-
- if (NULL == ego_entry)
- {
- handle->response_code = MHD_HTTP_NOT_FOUND;
- handle->emsg = GNUNET_strdup(GNUNET_REST_IDENTITY_NOT_FOUND);
- GNUNET_SCHEDULER_add_now (&do_error, handle);
- return;
- }
-
- ego_edit(handle,ego_entry);
-}
-
-/**
- * Handle identity PUT request with name
- *
- * @param con_handle the connection handle
- * @param url the url
- * @param cls the RequestHandle
- */
-void
-ego_edit_name (struct GNUNET_REST_RequestHandle *con_handle,
- const char* url,
- void *cls)
-{
- struct RequestHandle *handle = cls;
- struct EgoEntry *ego_entry;
- char *name;
-
- name = NULL;
-
- if (strlen (GNUNET_REST_API_NS_IDENTITY_NAME) >= strlen (handle->url))
- {
- handle->response_code = MHD_HTTP_NOT_FOUND;
- handle->emsg = GNUNET_strdup(GNUNET_REST_IDENTITY_MISSING_NAME);
- GNUNET_SCHEDULER_add_now (&do_error, handle);
- return;
- }
- name = &handle->url[strlen (GNUNET_REST_API_NS_IDENTITY_NAME)+1];
- ego_entry = get_egoentry(handle, NULL, name);
-
- if (NULL == ego_entry)
- {
- handle->response_code = MHD_HTTP_NOT_FOUND;
- handle->emsg = GNUNET_strdup(GNUNET_REST_IDENTITY_NOT_FOUND);
- GNUNET_SCHEDULER_add_now (&do_error, handle);
- return;
- }
-
- ego_edit(handle,ego_entry);
-}
-
-/**
- * Handle identity subsystem PUT request with name
- *
- * @param con_handle the connection handle
- * @param url the url
- * @param cls the RequestHandle
- */
-void
-ego_edit_subsystem (struct GNUNET_REST_RequestHandle *con_handle,
- const char* url,
- void *cls)
-{
- struct RequestHandle *handle = cls;
- struct EgoEntry *ego_entry;
- json_t *data_js;
- json_error_t err;
- char *newsubsys;
- char *name;
- char term_data[handle->data_size + 1];
- int json_state;
-
- name = NULL;
-
- if (strlen (GNUNET_REST_API_NS_IDENTITY_SUBSYSTEM) >= strlen (handle->url))
- {
- handle->response_code = MHD_HTTP_NOT_FOUND;
- handle->emsg = GNUNET_strdup(GNUNET_REST_IDENTITY_MISSING_NAME);
- GNUNET_SCHEDULER_add_now (&do_error, handle);
- return;
- }
- name = &handle->url[strlen (GNUNET_REST_API_NS_IDENTITY_SUBSYSTEM)+1];
- ego_entry = get_egoentry(handle, NULL, name);
-
- if (NULL == ego_entry)
- {
- handle->response_code = MHD_HTTP_NOT_FOUND;
- handle->emsg = GNUNET_strdup(GNUNET_REST_IDENTITY_NOT_FOUND);
- GNUNET_SCHEDULER_add_now (&do_error, handle);
- return;
- }
-
- //if no data
- if (0 >= handle->data_size)
- {
- handle->emsg = GNUNET_strdup(GNUNET_REST_ERROR_NO_DATA);
- GNUNET_SCHEDULER_add_now (&do_error, handle);
- return;
- }
- //if not json
- term_data[handle->data_size] = '\0';
- GNUNET_memcpy(term_data, handle->data, handle->data_size);
- data_js = json_loads (term_data,JSON_DECODE_ANY,&err);
-
- if (NULL == data_js)
- {
- handle->emsg = GNUNET_strdup(GNUNET_REST_ERROR_NO_DATA);
- GNUNET_SCHEDULER_add_now (&do_error, handle);
- return;
- }
-
- newsubsys = NULL;
- //SUBSYSTEM
- json_state = 0;
- json_state = json_unpack(data_js,
- "{s:s!}",
- GNUNET_REST_IDENTITY_PARAM_SUBSYSTEM,
- &newsubsys);
- //Change subsystem with pubkey or name identifier
- if (0 != json_state)
- {
- handle->emsg = GNUNET_strdup(GNUNET_REST_ERROR_DATA_INVALID);
- GNUNET_SCHEDULER_add_now (&do_error, handle);
- json_decref (data_js);
- return;
- }
-
- if (NULL == newsubsys)
- {
- handle->emsg = GNUNET_strdup(GNUNET_REST_ERROR_DATA_INVALID);
- GNUNET_SCHEDULER_add_now (&do_error, handle);
- json_decref (data_js);
- return;
- }
-
- if (0 >= strlen (newsubsys))
- {
- handle->emsg = GNUNET_strdup(GNUNET_REST_ERROR_DATA_INVALID);
- GNUNET_SCHEDULER_add_now (&do_error, handle);
- json_decref (data_js);
- return;
- }
-
- handle->response_code = MHD_HTTP_NO_CONTENT;
- handle->op = GNUNET_IDENTITY_set (handle->identity_handle,
- newsubsys,
- ego_entry->ego,
- &do_finished,
- handle);
- if (NULL == handle->op)
- {
- handle->emsg = GNUNET_strdup("Setting subsystem failed");
- GNUNET_SCHEDULER_add_now (&do_error, handle);
- return;
- }
- json_decref (data_js);
- return;
-
-}
-
-/**
- * Handle identity POST request
- *
- * @param con_handle the connection handle
- * @param url the url
- * @param cls the RequestHandle
- */
-void
-ego_create (struct GNUNET_REST_RequestHandle *con_handle,
- const char* url,
- void *cls)
-{
- struct RequestHandle *handle = cls;
- struct EgoEntry *ego_entry;
- struct MHD_Response *resp;
- json_t *data_js;
- json_error_t err;
- char* egoname;
- int json_unpack_state;
- char term_data[handle->data_size + 1];
-
- if (strlen (GNUNET_REST_API_NS_IDENTITY) != strlen (handle->url))
- {
- GNUNET_SCHEDULER_add_now (&do_error, handle);
- return;
- }
-
- if (0 >= handle->data_size)
- {
- handle->emsg = GNUNET_strdup(GNUNET_REST_ERROR_NO_DATA);
- GNUNET_SCHEDULER_add_now (&do_error, handle);
- return;
- }
- term_data[handle->data_size] = '\0';
- GNUNET_memcpy(term_data, handle->data, handle->data_size);
- data_js = json_loads (term_data,
- JSON_DECODE_ANY,
- &err);
- if (NULL == data_js)
- {
- handle->emsg = GNUNET_strdup(GNUNET_REST_ERROR_NO_DATA);
- GNUNET_SCHEDULER_add_now (&do_error, handle);
- json_decref (data_js);
- return;
- }
- json_unpack_state = 0;
- json_unpack_state = json_unpack(data_js,
- "{s:s!}",
- GNUNET_REST_IDENTITY_PARAM_NAME,
- &egoname);
- if (0 != json_unpack_state)
- {
- handle->emsg = GNUNET_strdup(GNUNET_REST_ERROR_DATA_INVALID);
- GNUNET_SCHEDULER_add_now (&do_error, handle);
- json_decref (data_js);
- return;
- }
-
- if (NULL == egoname)
- {
- handle->emsg = GNUNET_strdup(GNUNET_REST_ERROR_DATA_INVALID);
- GNUNET_SCHEDULER_add_now (&do_error, handle);
- json_decref (data_js);
- return;
- }
- if (0 >= strlen (egoname))
- {
- json_decref (data_js);
- handle->emsg = GNUNET_strdup(GNUNET_REST_ERROR_DATA_INVALID);
- GNUNET_SCHEDULER_add_now (&do_error, handle);
- return;
- }
- GNUNET_STRINGS_utf8_tolower(egoname, egoname);
- for (ego_entry = handle->ego_head;
- NULL != ego_entry; ego_entry = ego_entry->next)
- {
- if (0 == strcasecmp (egoname, ego_entry->identifier))
- {
- resp = GNUNET_REST_create_response (NULL);
- handle->proc (handle->proc_cls, resp, MHD_HTTP_CONFLICT);
- GNUNET_SCHEDULER_add_now (&cleanup_handle, handle);
- json_decref (data_js);
- return;
- }
- }
- handle->name = GNUNET_strdup(egoname);
- json_decref (data_js);
- handle->response_code = MHD_HTTP_CREATED;
- handle->op = GNUNET_IDENTITY_create (handle->identity_handle, handle->name,
- &do_finished, handle);
-}
-
-/**
- * Handle identity DELETE request with public key
- *
- * @param con_handle the connection handle
- * @param url the url
- * @param cls the RequestHandle
- */
-void
-ego_delete_pubkey (struct GNUNET_REST_RequestHandle *con_handle,
- const char* url,
- void *cls)
-{
- struct RequestHandle *handle = cls;
- struct EgoEntry *ego_entry;
- char *keystring;
-
- keystring = NULL;
-
- if (strlen (GNUNET_REST_API_NS_IDENTITY_PUBKEY) >= strlen (handle->url))
- {
- handle->response_code = MHD_HTTP_NOT_FOUND;
- handle->emsg = GNUNET_strdup(GNUNET_REST_IDENTITY_MISSING_PUBKEY);
- GNUNET_SCHEDULER_add_now (&do_error, handle);
- return;
- }
- keystring = &handle->url[strlen (GNUNET_REST_API_NS_IDENTITY_PUBKEY)+1];
- ego_entry = get_egoentry(handle, keystring, NULL);
-
- if (NULL == ego_entry)
- {
- handle->response_code = MHD_HTTP_NOT_FOUND;
- handle->emsg = GNUNET_strdup(GNUNET_REST_IDENTITY_NOT_FOUND);
- GNUNET_SCHEDULER_add_now (&do_error, handle);
- return;
- }
-
- handle->response_code = MHD_HTTP_NO_CONTENT;
- handle->op = GNUNET_IDENTITY_delete (handle->identity_handle,
- ego_entry->identifier,
- &do_finished,
- handle);
-}
-
-
-/**
- * Handle identity DELETE request with name
- *
- * @param con_handle the connection handle
- * @param url the url
- * @param cls the RequestHandle
- */
-void
-ego_delete_name (struct GNUNET_REST_RequestHandle *con_handle,
- const char* url,
- void *cls)
-{
- struct RequestHandle *handle = cls;
- struct EgoEntry *ego_entry;
- char *name;
-
- name = NULL;
-
- if (strlen (GNUNET_REST_API_NS_IDENTITY_NAME) >= strlen (handle->url))
- {
- handle->response_code = MHD_HTTP_NOT_FOUND;
- handle->emsg = GNUNET_strdup(GNUNET_REST_IDENTITY_MISSING_NAME);
- GNUNET_SCHEDULER_add_now (&do_error, handle);
- return;
- }
- name = &handle->url[strlen (GNUNET_REST_API_NS_IDENTITY_NAME)+1];
- ego_entry = get_egoentry(handle, NULL, name);
-
- if (NULL == ego_entry)
- {
- handle->response_code = MHD_HTTP_NOT_FOUND;
- handle->emsg = GNUNET_strdup(GNUNET_REST_IDENTITY_NOT_FOUND);
- GNUNET_SCHEDULER_add_now (&do_error, handle);
- return;
- }
-
- handle->response_code = MHD_HTTP_NO_CONTENT;
- handle->op = GNUNET_IDENTITY_delete (handle->identity_handle,
- ego_entry->identifier,
- &do_finished,
- handle);
-}
-
-
-/**
- * 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);
- GNUNET_SCHEDULER_add_now (&cleanup_handle, handle);
- return;
-}
-
-/**
- * Handle rest request
- *
- * @param handle the request handle
- */
-static void
-init_cont (struct RequestHandle *handle)
-{
- struct GNUNET_REST_RequestHandlerError err;
- static const struct GNUNET_REST_RequestHandler handlers[] = {
- { MHD_HTTP_METHOD_GET, GNUNET_REST_API_NS_IDENTITY_ALL, &ego_get_all },
- { MHD_HTTP_METHOD_GET, GNUNET_REST_API_NS_IDENTITY_PUBKEY, &ego_get_pubkey },
- { MHD_HTTP_METHOD_GET, GNUNET_REST_API_NS_IDENTITY_NAME, &ego_get_name },
- { MHD_HTTP_METHOD_GET, GNUNET_REST_API_NS_IDENTITY_SUBSYSTEM, &ego_get_subsystem },
- { MHD_HTTP_METHOD_PUT, GNUNET_REST_API_NS_IDENTITY_PUBKEY, &ego_edit_pubkey },
- { MHD_HTTP_METHOD_PUT, GNUNET_REST_API_NS_IDENTITY_NAME, &ego_edit_name },
- { MHD_HTTP_METHOD_PUT, GNUNET_REST_API_NS_IDENTITY_SUBSYSTEM, &ego_edit_subsystem },
- { MHD_HTTP_METHOD_POST, GNUNET_REST_API_NS_IDENTITY, &ego_create },
- { MHD_HTTP_METHOD_DELETE, GNUNET_REST_API_NS_IDENTITY_PUBKEY, &ego_delete_pubkey },
- { MHD_HTTP_METHOD_DELETE, GNUNET_REST_API_NS_IDENTITY_NAME, &ego_delete_name },
- { MHD_HTTP_METHOD_OPTIONS, GNUNET_REST_API_NS_IDENTITY, &options_cont },
- GNUNET_REST_HANDLER_END
- };
-
- 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, handle);
- }
-}
-
-/**
- * If listing is enabled, prints information about the egos.
- *
- * This function is initially called for all egos and then again
- * whenever a ego's identifier changes or if it is deleted. At the
- * end of the initial pass over all egos, the function is once called
- * with 'NULL' for 'ego'. That does NOT mean that the callback won't
- * be invoked in the future or that there was an error.
- *
- * When used with 'GNUNET_IDENTITY_create' or 'GNUNET_IDENTITY_get',
- * this function is only called ONCE, and 'NULL' being passed in
- * 'ego' does indicate an error (i.e. name is taken or no default
- * value is known). If 'ego' is non-NULL and if '*ctx'
- * is set in those callbacks, the value WILL be passed to a subsequent
- * call to the identity callback of 'GNUNET_IDENTITY_connect' (if
- * that one was not NULL).
- *
- * When an identity is renamed, this function is called with the
- * (known) ego but the NEW identifier.
- *
- * When an identity is deleted, this function is called with the
- * (known) ego and "NULL" for the 'identifier'. In this case,
- * the 'ego' is henceforth invalid (and the 'ctx' should also be
- * cleaned up).
- *
- * @param cls closure
- * @param ego ego handle
- * @param ctx context for application to store data for this ego
- * (during the lifetime of this process, initially NULL)
- * @param identifier identifier assigned by the user for this ego,
- * NULL if the user just deleted the ego and it
- * must thus no longer be used
- */
-static void
-init_egos (void *cls, struct GNUNET_IDENTITY_Ego *ego, void **ctx,
- const char *identifier)
-{
- struct RequestHandle *handle = cls;
- struct EgoEntry *ego_entry;
- struct GNUNET_CRYPTO_EcdsaPublicKey pk;
-
- if ((NULL == ego) && (ID_REST_STATE_INIT == handle->state))
- {
- handle->state = ID_REST_STATE_POST_INIT;
- init_cont (handle);
- return;
- }
- if (ID_REST_STATE_INIT == handle->state)
- {
- 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->ego = ego;
- GNUNET_asprintf (&ego_entry->identifier, "%s", identifier);
- GNUNET_CONTAINER_DLL_insert_tail(handle->ego_head, handle->ego_tail,
- ego_entry);
- }
-}
-
-/**
- * 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_process_request (struct GNUNET_REST_RequestHandle *rest_handle,
- GNUNET_REST_ResultProcessor proc, void *proc_cls)
-{
- struct RequestHandle *handle = GNUNET_new(struct RequestHandle);
-
- 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->data = rest_handle->data;
- handle->data_size = rest_handle->data_size;
-
- 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->identity_handle = GNUNET_IDENTITY_connect (cfg, &init_egos, handle);
-
- 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.
- *
- * @param cls Config info
- * @return NULL on error, otherwise the plugin context
- */
-void *
-libgnunet_plugin_rest_identity_init (void *cls)
-{
- static struct Plugin plugin;
- struct GNUNET_REST_Plugin *api;
-
- cfg = cls;
- 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_IDENTITY;
- api->process_request = &rest_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_DEBUG, _("Identity 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_identity_done (void *cls)
-{
- struct GNUNET_REST_Plugin *api = cls;
- struct Plugin *plugin = api->cls;
- plugin->cfg = NULL;
-
- GNUNET_free_non_null(allow_methods);
- GNUNET_free(api);
- GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, "Identity REST plugin is finished\n");
- return NULL;
-}
-
-/* end of plugin_rest_identity.c */
-
projects / oweals / gnunet.git / commitdiff