proper permissions in instance routes, qol on assigning forms in schemas

src/wanijo/home/view.clj

@@ -2,4 +2,4 @@
   (:require [wanijo.infra.view :as view]))
 
 (defn root! [req]
-  (view/layout :session (:session req)))
+  (view/layout :request req))

src/wanijo/instance/routes.clj

@@ -1,6 +1,7 @@
 (ns wanijo.instance.routes
   (:require [compojure.core :refer [defroutes wrap-routes
-                                    GET POST DELETE]]
+                                    GET POST DELETE]
+             :as compojure]
             [ring.util.response :as resp]
             [formulare.core :as form]
             [wanijo.instance.view
@@ -150,18 +151,34 @@
           instances)))
   (resp/redirect (path :instance-show {:uuid uuid})))
 
-(defroutes routes
+(defn schema-uuid-by-instance [req]
+  (-> (get-in req [:params :schema-uuid])
+      (domain-schema/find-by-instance!)
+      :uuid))
+
+(defn schema-uuid-from-params [req]
+  (get-in req [:params :schema-uuid]))
+
+(def linking-routes
+  (-> (compojure/routes
+        (GET (register! :instance-link-selection
+                        "/instance/:uuid/link/:schema-uuid")
+             [uuid schema-uuid :as req]
+          (route-link-selection! uuid schema-uuid req))
+        (POST (register! :instance-link-create
+                         "/instance/:uuid/link/:schema-uuid")
+              [uuid schema-uuid :as req]
+          (route-create-link! uuid schema-uuid req)))
       (wrap-routes
-   (GET (register! :instance-list "/instance/list/:schema-uuid")
-        [schema-uuid :as req]
-        (route-list! schema-uuid req))
-   (middleware-schema/wrap-allowed-to-read!
+        (middleware-schema/wrap-allowed-to-write!
           #(get-in % [:params :schema-uuid])))
-  (POST (register! :instance-new "/instance/new") []
-        route-new!)
-  (GET (register! :instance-show "/instance/:uuid")
-       [uuid :as req]
-       (route-show! uuid req))
+      (wrap-routes
+        (middleware-schema/wrap-allowed-to-write!
+          schema-uuid-by-instance))))
+
+(def writing-routes-with-uuid-in-path
+  (wrap-routes
+    (compojure/routes
       (GET (register! :instance-edit-form "/instance/:uuid/edit")
            [uuid :as req]
         (route-edit-form! uuid req))
@@ -171,14 +188,6 @@
       (DELETE (register! :instance-delete "/instance/:uuid")
               [uuid]
         (route-delete! uuid))
-  (GET (register! :instance-link-selection
-                  "/instance/:uuid/link/:schema-uuid")
-       [uuid schema-uuid :as req]
-       (route-link-selection! uuid schema-uuid req))
-  (POST (register! :instance-link-create
-                   "/instance/:uuid/link/:schema-uuid")
-        [uuid schema-uuid :as req]
-        (route-create-link! uuid schema-uuid req))
       (DELETE (register! :instance-link-delete
                          "/instance/:uuid/link/:link-uuid")
               [uuid link-uuid]
@@ -191,12 +200,43 @@
                          "/instance/:uuid/starred")
               [uuid :as req]
         (route-remove-starred! uuid req))
-  (GET (register! :instance-list-starred "/instance/starred/list")
-       [:as req]
-       (route-list-starred! req))
       (GET (register! :instance-bulk-link-selection "/instance/:uuid/bulk-link")
            [uuid :as req]
         (route-bulk-link-selection! uuid req))
       (POST (register! :instance-bulk-link-create "/instance/:uuid/bulk-link")
             [uuid :as req]
         (route-create-bulk-link! uuid req)))
+    (middleware-schema/wrap-allowed-to-write!
+      schema-uuid-by-instance)))
+
+(defroutes routes
+  ;; read routes with :schema-uuid
+  (wrap-routes
+    (compojure/routes
+      (GET (register! :instance-list "/instance/list/:schema-uuid")
+           [schema-uuid :as req]
+        (route-list! schema-uuid req)))
+    (middleware-schema/wrap-allowed-to-read!
+      schema-uuid-from-params))
+  (wrap-routes
+    (compojure/routes
+      (GET (register! :instance-show "/instance/:uuid")
+           [uuid :as req]
+        (route-show! uuid req)))
+    (middleware-schema/wrap-allowed-to-read!
+      schema-uuid-by-instance))
+  (wrap-routes
+    (compojure/routes
+      (POST (register! :instance-new "/instance/new") []
+        route-new!))
+    (middleware-schema/wrap-allowed-to-write!
+      schema-uuid-from-params))
+  linking-routes
+  writing-routes-with-uuid-in-path
+  (GET (register! :instance-list-starred "/instance/starred/list")
+       [:as req]
+    ;; at some point someone will star an instance and then permissions to
+    ;; the schema will be revoked
+    ;; the instances will still be visible but can't be opened anymore
+    ;; because of missing permissions, so they can't be unstared anymore
+       (route-list-starred! req)))

src/wanijo/schema/db.clj

@@ -67,10 +67,13 @@
    RETURN
      EXISTS((:user {uuid: $user_uuid})
             -[:permission {type: $type}]-
-            (s)) AS user_has_permission,
-     NOT EXISTS((:user)
-                -[:permission {type: $type}]-
-                (s)) AS is_public")
+            (s))
+     OR
+     EXISTS((:user {uuid : $user_uuid})
+            -[:permission {type: 'write'}]-
+            (s))
+       AS user_has_permission,
+     NOT EXISTS((:user)-[:permission]-(s)) AS is_public")
 (defn has-user-permission? [perm-type schema-uuid user-uuid]
   (let [perms (first
                 (neo4j/exec-query! schema-permissions

src/wanijo/schema/forms.clj

@@ -39,12 +39,15 @@
             :uuid {:widget :hidden}}
    :form-specs [::unique-attr-name-per-schema]})
 
-(def assign-form
+(defn assign-form [users]
   {:fields {:assigned {:label "Users"
                        :required false
                        :spec :wanijo.schema.domain/assigned-to
                        :widget :mselect
-                       :from-req #(if (vector? %) % [%])}
+                       :from-req #(if (vector? %) % [%])
+                       :options (map #(vector (:ident %) (:uuid %))
+                                     users)
+                       :size (min 20 (count users))}
             :uuid {:widget :hidden}}})
 
 (def schema-connections-form

src/wanijo/schema/middleware.clj

@@ -21,8 +21,11 @@
            (resp/redirect (path :schema-show {:uuid uuid}))
            :flash ["No write permission for schema"]))))))
 
-(defn wrap-allowed-to-write! []
-  (write-permission-middleware! #(get-in % [:params :uuid])))
+(defn wrap-allowed-to-write!
+  ([schema-fn]
+   (write-permission-middleware! schema-fn))
+  ([]
+   (write-permission-middleware! #(get-in % [:params :uuid]))))
 
 (defn wrap-allowed-to-read!
   [schema-fn]
@@ -31,5 +34,5 @@
       (let [uuid (schema-fn req)]
         (if (db/has-user-read-permissions? uuid (-> req :session :uuid))
           (handler req)
-          (assoc (resp/redirect (path :schema-overview))
+          (assoc (resp/redirect (path :home))
             :flash ["No read permission for schema"]))))))

src/wanijo/schema/routes.clj

@@ -28,10 +28,7 @@
   (schema-view/show-schema!
    (domain/find-with-assigned-entities! uuid)
    (db-attr/find-by-schema! uuid)
-   (assoc-in schema-forms/assign-form
-             [:fields :assigned :options]
-             (map #(vector (:ident %) (:uuid %))
-                  (domain-user/all!)))
+   (schema-forms/assign-form (domain-user/all!))
    (assoc-in schema-forms/schema-connections-form
              [:fields :connections :options]
              (map #(vector (:name %) (:uuid %))

src/wanijo/schema/view.clj

@@ -50,7 +50,8 @@
     [:h2 "Permissions"]
     [:h3 "Read permissions"]
     (hform/form-to [:post (path :schema-assign-users)]
-                   (form/render-widgets assign-form
+                   (form/render-widgets
+                     assign-form
                      (assoc schema :assigned
                                    (:assigned-read-users schema))
                      req)
@@ -58,7 +59,8 @@
                    (hform/submit-button "Assign"))
     [:h3 "Write permissions"]
     (hform/form-to [:post (path :schema-assign-users)]
-                   (form/render-widgets assign-form
+                   (form/render-widgets
+                     assign-form
                      (assoc schema :assigned
                                    (:assigned-write-users schema))
                      req)