X-Git-Url: https://gerrit.automotivelinux.org/gerrit/gitweb?a=blobdiff_plain;f=src%2Fafb-auth.c;h=6747c9eea51f6b3627c5349d7b66641f8454cd87;hb=e80c1a7ae27456d546e202b1c498e9337d42ce14;hp=5c62f9f70f7a4b9d5c28e3289ef9e7f7558ceed7;hpb=718de20a3cf830ba2da0a6c37e4588e4df251f1d;p=src%2Fapp-framework-binder.git

diff --git a/src/afb-auth.c b/src/afb-auth.c
index 5c62f9f7..6747c9ee 100644
--- a/src/afb-auth.c
+++ b/src/afb-auth.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2016, 2017 "IoT.bzh"
+ * Copyright (C) 2016-2019 "IoT.bzh"
  * Author "Fulup Ar Foll"
  * Author José Bollo <jose.bollo@iot.bzh>
  *
@@ -17,11 +17,12 @@
  */
 
 #define _GNU_SOURCE
-#define AFB_BINDING_PRAGMA_NO_VERBOSE_MACRO
 
 #include <stdlib.h>
 
+#include <json-c/json.h>
 #include <afb/afb-auth.h>
+#include <afb/afb-session-x2.h>
 
 #include "afb-auth.h"
 #include "afb-context.h"
@@ -29,8 +30,6 @@
 #include "afb-cred.h"
 #include "verbose.h"
 
-static int check_permission(struct afb_xreq *xreq, const char *permission);
-
 int afb_auth_check(struct afb_xreq *xreq, const struct afb_auth *auth)
 {
 	switch (auth->type) {
@@ -45,10 +44,7 @@ int afb_auth_check(struct afb_xreq *xreq, const struct afb_auth *auth)
 		return afb_context_check_loa(&xreq->context, auth->loa);
 
 	case afb_auth_Permission:
-		if (xreq->cred && auth->text)
-			return check_permission(xreq, auth->text);
-		/* TODO: handle case of self permission */
-		return 1;
+		return afb_auth_has_permission(xreq, auth->text);
 
 	case afb_auth_Or:
 		return afb_auth_check(xreq, auth->first) || afb_auth_check(xreq, auth->next);
@@ -64,45 +60,95 @@ int afb_auth_check(struct afb_xreq *xreq, const struct afb_auth *auth)
 	}
 }
 
+int afb_auth_has_permission(struct afb_xreq *xreq, const char *permission)
+{
+	return afb_cred_has_permission(xreq->cred, permission, &xreq->context);
+}
+
 /*********************************************************************************/
-#ifdef BACKEND_PERMISSION_IS_CYNARA
 
-#include <pthread.h>
-#include <cynara-client.h>
+static struct json_object *addperm(struct json_object *o, struct json_object *x)
+{
+	struct json_object *a;
+
+	if (!o)
+		return x;
 
-static cynara *handle;
-static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
+	if (!json_object_object_get_ex(o, "allOf", &a)) {
+		a = json_object_new_array();
+		json_object_array_add(a, o);
+		o = json_object_new_object();
+		json_object_object_add(o, "allOf", a);
+	}
+	json_object_array_add(a, x);
+	return o;
+}
+
+static struct json_object *addperm_key_val(struct json_object *o, const char *key, struct json_object *val)
+{
+	struct json_object *x = json_object_new_object();
+	json_object_object_add(x, key, val);
+	return addperm(o, x);
+}
+
+static struct json_object *addperm_key_valstr(struct json_object *o, const char *key, const char *val)
+{
+	return addperm_key_val(o, key, json_object_new_string(val));
+}
 
-static int check_permission(struct afb_xreq *xreq, const char *permission)
+static struct json_object *addperm_key_valint(struct json_object *o, const char *key, int val)
 {
-	int rc;
-
-	/* cynara isn't reentrant */
-	pthread_mutex_lock(&mutex);
-
-	/* lazy initialisation */
-	if (!handle) {
-		rc = cynara_initialize(&handle, NULL);
-		if (rc != CYNARA_API_SUCCESS) {
-			handle = NULL;
-			ERROR("cynara initialisation failed with code %d", rc);
-			return 0;
-		}
+	return addperm_key_val(o, key, json_object_new_int(val));
+}
+
+static struct json_object *addauth_or_array(struct json_object *o, const struct afb_auth *auth);
+
+static struct json_object *addauth(struct json_object *o, const struct afb_auth *auth)
+{
+	switch(auth->type) {
+	case afb_auth_No: return addperm(o, json_object_new_boolean(0));
+	case afb_auth_Token: return addperm_key_valstr(o, "session", "check");
+	case afb_auth_LOA: return addperm_key_valint(o, "LOA", auth->loa);
+	case afb_auth_Permission: return addperm_key_valstr(o, "permission", auth->text);
+	case afb_auth_Or: return addperm_key_val(o, "anyOf", addauth_or_array(json_object_new_array(), auth));
+	case afb_auth_And: return addauth(addauth(o, auth->first), auth->next);
+	case afb_auth_Not: return addperm_key_val(o, "not", addauth(NULL, auth->first));
+	case afb_auth_Yes: return addperm(o, json_object_new_boolean(1));
 	}
+	return o;
+}
 
-	/* query cynara permission */
-	rc = cynara_check(handle, xreq->cred->label, afb_context_uuid(&xreq->context), xreq->cred->user, permission);
+static struct json_object *addauth_or_array(struct json_object *o, const struct afb_auth *auth)
+{
+	if (auth->type != afb_auth_Or)
+		json_object_array_add(o, addauth(NULL, auth));
+	else {
+		addauth_or_array(o, auth->first);
+		addauth_or_array(o, auth->next);
+	}
 
-	pthread_mutex_unlock(&mutex);
-	return rc == CYNARA_API_ACCESS_ALLOWED;
+	return o;
 }
 
-/*********************************************************************************/
-#else
-static int check_permission(struct afb_xreq *xreq, const char *permission)
+struct json_object *afb_auth_json_v2(const struct afb_auth *auth, int session)
 {
-	WARNING("Granting permission %s by default of backend", permission);
-	return 1;
+	struct json_object *result = NULL;
+
+	if (session & AFB_SESSION_CLOSE_X2)
+		result = addperm_key_valstr(result, "session", "close");
+
+	if (session & AFB_SESSION_CHECK_X2)
+		result = addperm_key_valstr(result, "session", "check");
+
+	if (session & AFB_SESSION_REFRESH_X2)
+		result = addperm_key_valstr(result, "token", "refresh");
+
+	if (session & AFB_SESSION_LOA_MASK_X2)
+		result = addperm_key_valint(result, "LOA", session & AFB_SESSION_LOA_MASK_X2);
+
+	if (auth)
+		result = addauth(result, auth);
+
+	return result;
 }
-#endif