Make forgerock stuff separate

Signed-off-by: jobol <jose.bollo@iot.bzh>

1 files changed, 172 insertions, 0 deletions

diff --git a/agl-identity-service/src/agl-forgerock.c b/agl-identity-service/src/agl-forgerock.c
new file mode 100644
index 0000000..13308ea
--- /dev/null
+++ b/agl-identity-service/src/agl-forgerock.c
@@ -0,0 +1,172 @@
+/*
+ * Copyright (C) 2015, 2016, 2017 "IoT.bzh"
+ * Author: José Bollo <jose.bollo@iot.bzh>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#define _GNU_SOURCE
+
+/*
+#include <errno.h>
+#include <stdint.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <fcntl.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+*/
+#include <stdio.h>
+
+#include <json-c/json.h>
+
+#define AFB_BINDING_VERSION 2
+#include <afb/afb-binding.h>
+
+#include "oidc-agent.h"
+#include "aia-get.h"
+
+static int expiration_delay = 5;
+
+static const char default_endpoint[] = "https://agl-graphapi.forgerocklabs.org/getuserprofilefromtoken";
+static const char *oidc_name;
+
+static char *endpoint;
+
+static void (*onloaded)(struct json_object *data, const char *error);
+
+/***** configuration ********************************************/
+
+static void confsetstr(struct json_object *conf, const char *name, char **value, const char *def)
+{
+	struct json_object *v;
+	const char *s;
+	char *p;
+
+	s = conf && json_object_object_get_ex(conf, name, &v) ? json_object_get_string(v) : def;
+	p = *value;
+	if (s && p != s) {
+		*value = strdup(s);
+		free(p);
+	}
+}
+
+static void confsetint(struct json_object *conf, const char *name, int *value, int def)
+{
+	struct json_object *v;
+
+	*value = conf && json_object_object_get_ex(conf, name, &v) ? json_object_get_int(v) : def;
+}
+
+static void confsetoidc(struct json_object *conf, const char *name)
+{
+	struct json_object *idp, *appli;
+
+	if (conf
+	 && json_object_object_get_ex(conf, "idp", &idp)
+	 && json_object_object_get_ex(conf, "appli", &appli)) {
+		if (oidc_idp_set(name, idp) && oidc_appli_set(name, name, appli, 1)) {
+			oidc_name = name;
+		}
+	}
+}
+
+/****************************************************************/
+
+static void loaded(struct json_object *data, const char *error)
+{
+	if (onloaded)
+		onloaded(data, error);
+}
+
+static void downloaded(void *closure, int status, const void *buffer, size_t size)
+{
+	struct json_object *object, *subobj;
+	char *url = closure;
+
+	/* checks whether discarded */
+	if (status == 0 && !buffer) {
+		AFB_ERROR("discarded");
+		loaded(NULL, "discarded");
+		goto end; /* discarded */
+	}
+
+	/* scan for the status */
+	if (status == 0 || !buffer) {
+		AFB_ERROR("uploading %s failed %s", url ? : "?", (const char*)buffer ? : "");
+		loaded(NULL, "failed");
+		goto end;
+	}
+
+	/* get the object */
+	AFB_DEBUG("received data: %.*s", (int)size, (char*)buffer);
+	object = json_tokener_parse(buffer); /* okay because 0 appended */
+
+	/* extract useful part */
+	subobj = NULL;
+	if (object && !json_object_object_get_ex(object, "results", &subobj))
+		subobj = NULL;
+	if (subobj)
+		subobj = json_object_array_get_idx(subobj, 0);
+	if (subobj && !json_object_object_get_ex(subobj, "data", &subobj))
+		subobj = NULL;
+	if (subobj)
+		subobj = json_object_array_get_idx(subobj, 0);
+	if (subobj && !json_object_object_get_ex(subobj, "row", &subobj))
+		subobj = NULL;
+	if (subobj)
+		subobj = json_object_array_get_idx(subobj, 0);
+
+	/* is it a recognized user ? */
+	if (!subobj) {
+		/* not recognized!! */
+		AFB_INFO("unrecognized key for %s", url ? : "?");
+		json_object_put(object);
+		loaded(NULL, "malformed");
+		goto end;
+	}
+
+	loaded(subobj, NULL);
+	json_object_put(object);
+end:
+	free(url);
+}
+
+/** public **************************************************************/
+
+void agl_forgerock_setconfig(struct json_object *conf)
+{
+	confsetstr(conf, "endpoint", &endpoint, endpoint ? : default_endpoint);
+	confsetint(conf, "delay", &expiration_delay, expiration_delay);
+	confsetoidc(conf, "oidc-aia");
+}
+
+void agl_forgerock_setcb(void (*callback)(struct json_object *data, const char *error))
+{
+	onloaded = callback;
+}
+
+void agl_forgerock_download_request(const char *vin, const char *kind, const char *key)
+{
+	int rc;
+	char *url;
+
+	rc = asprintf(&result, "%s?vin=%s&kind=%s&keytoken=%s", endpoint, vin, kind, key);
+	if (rc >= 0)
+		aia_get(url, expiration_delay, oidc_name, oidc_name, downloaded, url);
+	else
+		AFB_ERROR("out of memory");
+}
+
+/* vim: set colorcolumn=80: */
+