Allow making LDAP users admins

api/rest.go

@@ -55,6 +55,7 @@ func (api *RestApi) MountRoutes(r *mux.Router) {
 		r.HandleFunc("/users/", api.createUser).Methods(http.MethodPost, http.MethodPut)
 		r.HandleFunc("/users/", api.getUsers).Methods(http.MethodGet)
 		r.HandleFunc("/users/", api.deleteUser).Methods(http.MethodDelete)
+		r.HandleFunc("/user/{id}", api.updateUser).Methods(http.MethodPost)
 		r.HandleFunc("/configuration/", api.updateConfiguration).Methods(http.MethodPost)
 	}
 
@@ -555,7 +556,9 @@ func (api *RestApi) getUsers(rw http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	users, err := api.Authentication.FetchUsers(r.URL.Query().Get("via-ldap") == "true")
+	users, err := api.Authentication.FetchUsers(
+		r.URL.Query().Get("via-ldap") == "true",
+		r.URL.Query().Get("not-just-user") == "true")
 	if err != nil {
 		http.Error(rw, err.Error(), http.StatusInternalServerError)
 		return
@@ -564,6 +567,22 @@ func (api *RestApi) getUsers(rw http.ResponseWriter, r *http.Request) {
 	json.NewEncoder(rw).Encode(users)
 }
 
+func (api *RestApi) updateUser(rw http.ResponseWriter, r *http.Request) {
+	if user := auth.GetUser(r.Context()); !user.HasRole(auth.RoleAdmin) {
+		http.Error(rw, "only admins are allowed to update a user", http.StatusForbidden)
+		return
+	}
+
+	// TODO: Handle anything but roles...
+	newrole := r.FormValue("add-role")
+	if err := api.Authentication.AddRole(r.Context(), mux.Vars(r)["id"], newrole); err != nil {
+		http.Error(rw, err.Error(), http.StatusUnprocessableEntity)
+		return
+	}
+
+	rw.Write([]byte("success"))
+}
+
 func (api *RestApi) updateConfiguration(rw http.ResponseWriter, r *http.Request) {
 	rw.Header().Set("Content-Type", "text/plain")
 	key, value := r.FormValue("key"), r.FormValue("value")

auth/auth.go

@@ -174,18 +174,49 @@ func (auth *Authentication) CreateUser(username, name, password, email string, r
 	return nil
 }
 
+func (auth *Authentication) AddRole(ctx context.Context, username string, role string) error {
+	user, err := auth.FetchUser(username)
+	if err != nil {
+		return err
+	}
+
+	if role != RoleAdmin && role != RoleApi && role != RoleUser {
+		return fmt.Errorf("invalid user role: %#v", role)
+	}
+
+	for _, r := range user.Roles {
+		if r == role {
+			return fmt.Errorf("user %#v already has role %#v", username, role)
+		}
+	}
+
+	roles, _ := json.Marshal(append(user.Roles, role))
+	if _, err := sq.Update("user").Set("roles", roles).Where("user.username = ?", username).RunWith(auth.db).Exec(); err != nil {
+		return err
+	}
+	return nil
+}
+
 func (auth *Authentication) DelUser(username string) error {
 	_, err := auth.db.Exec(`DELETE FROM user WHERE user.username = ?`, username)
 	return err
 }
 
-func (auth *Authentication) FetchUsers(viaLdap bool) ([]*User, error) {
+func (auth *Authentication) FetchUsers(viaLdap, notJustUser bool) ([]*User, error) {
 	q := sq.Select("username", "name", "email", "roles").From("user")
 	if !viaLdap {
+		if notJustUser {
+			q = q.Where("ldap = 0 OR roles != '[\"user\"]'")
+		} else {
 			q = q.Where("ldap = 0")
+		}
+	} else {
+		if notJustUser {
+			q = q.Where("ldap = 1 OR roles != '[\"user\"]'")
 		} else {
 			q = q.Where("ldap = 1")
 		}
+	}
 
 	rows, err := q.RunWith(auth.db).Query()
 	if err != nil {

templates/config.tmpl

@@ -47,7 +47,8 @@
     </div>
     <div class="col card" style="margin: 10px;">
         <div class="card-body">
-            <h5 class="card-title">All Users not Created by an LDAP Sync:</h5>
+            <h5 class="card-title">Special Users</h5>
+            <p>Not created by an LDAP sync and/or having a role other than <code>user</code></p>
             <table class="table">
                 <thead>
                     <tr>
@@ -61,7 +62,7 @@
                 </thead>
                 <tbody id="users-list"><tr><td colspan="4"><div class="spinner-border" role="status"><span class="visually-hidden">Loading...</span></div></td></tr></tbody>
                 <script>
-                    fetch('/api/users/?via-ldap=false')
+                    fetch('/api/users/?via-ldap=false&not-just-user=true')
                         .then(res => res.json())
                         .then(users => {
                             let listElement = document.querySelector('#users-list')
@@ -105,6 +106,37 @@
         </div>
     </div>
 </div>
+<div class="row">
+    <div class="col card" style="margin: 10px;">
+        <div class="card-body">
+            <h5 class="card-title">Add Role to User</h5>
+            <div class="input-group">
+                <input type="text" class="form-control" placeholder="username" id="add-role-username"/>
+                <select class="form-select" id="add-role-select">
+                    <option selected value="">Role...</option>
+                    <option value="user">User</option>
+                    <option value="admin">Admin</option>
+                    <option value="api">API</option>
+                </select>
+                <button class="btn btn-outline-secondary" type="button" id="add-role-button">Button</button>
+            </div>
+            <script>
+                document.querySelector('#add-role-button').addEventListener('click', () => {
+                    const username = document.querySelector('#add-role-username').value, role = document.querySelector('#add-role-select').value
+                    if (username == "" || role == "") {
+                        alert('Please fill in a username and select a role.')
+                        return
+                    }
+
+                    let formData = new FormData()
+                    formData.append('username', username)
+                    formData.append('add-role', role)
+                    fetch(`/api/user/${username}`, { method: 'POST', body: formData }).then(res => res.text()).then(status => alert(status))
+                })
+            </script>
+        </div>
+    </div>
+</div>
 {{end}}
 <div class="row">
     <div class="col card" style="margin: 10px;">