Adds a full access control list editor

lib/pages/ACL.dart

@@ -0,0 +1,180 @@
+import 'package:flutter/material.dart';
+import 'package:servermanager/pages/Constants.dart';
+import 'package:servermanager/structs/credentials.dart';
+import 'package:servermanager/structs/settings.dart';
+
+class AccessControlListPage extends StatefulWidget {
+  @override
+  State<StatefulWidget> createState() {
+    return AccessControlState();
+  }
+}
+
+class AccessControlState extends State<AccessControlListPage> {
+  Settings settings = Settings();
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: Text("Conan Exiles Server Manager - ACL Editor"),
+        backgroundColor: Constants.TITLEBAR_COLOR,
+      ),
+      floatingActionButton: ElevatedButton(
+        onPressed: () {
+          // Show the add new user page
+          Navigator.pushNamed(context, "/acl/edit");
+        },
+        child: Icon(Icons.add),
+      ),
+      body: Padding(
+          padding: EdgeInsets.all(8),
+          child: ListView.builder(
+            itemBuilder: (ctx, index) {
+              User user = settings.inst!.admins[index];
+              return ListTile(
+                title: Text(user.name),
+                subtitle: Text("Access Level: ${user.permissions.name}"),
+                onTap: () async {
+                  var edited = await Navigator.pushNamed(context, "/acl/edit",
+                      arguments: user);
+                  if (edited == null) return;
+
+                  if (edited is bool) {
+                    settings.inst!.admins.remove(user);
+                    setState(() {});
+                    return;
+                  }
+
+                  setState(() {
+                    settings.inst!.admins[index] = edited as User;
+                  });
+                },
+              );
+            },
+            itemCount: settings.inst!.admins.length,
+          )),
+    );
+  }
+}
+
+class ACLEdit extends StatefulWidget {
+  @override
+  State<StatefulWidget> createState() {
+    return ACLEditorState();
+  }
+}
+
+class ACLEditorState extends State<ACLEdit> {
+  Settings settings = Settings();
+  var newUser = false;
+  TextEditingController username = TextEditingController();
+  TextEditingController password = TextEditingController();
+
+  User? current;
+
+  @override
+  void didChangeDependencies() {
+    var args = ModalRoute.of(context)!.settings.arguments;
+    if (args == null) {
+      newUser = true;
+    } else {
+      User usr = args as User;
+
+      username.text = usr.name;
+      current = usr;
+    }
+
+    setState(() {});
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: Text(
+            "CE SM - ACL Edit - ${newUser ? "Create A User" : "Edit User - ${username.text}"}"),
+        backgroundColor: Constants.TITLEBAR_COLOR,
+      ),
+      floatingActionButton: ElevatedButton(
+        onPressed: () {
+          User? user;
+          if (!newUser) {
+            if (password.text.isEmpty) {
+              user = User(
+                  name: username.text,
+                  passwordHash: current!.passwordHash,
+                  passwordSalt: current!.passwordSalt,
+                  permissions: current!.permissions,
+                  userHash: User.generateValidityCode(
+                      username.text,
+                      current!.passwordHash,
+                      current!.passwordSalt,
+                      current!.permissions));
+            } else {
+              user = User.make(
+                  username.text, password.text, UserLevel.Administrator);
+            }
+          } else {
+            user = User.make(
+                username.text, password.text, UserLevel.Administrator);
+          }
+
+          Navigator.pop(context, user);
+        },
+        child: Text("Save"),
+      ),
+      body: Padding(
+        padding: EdgeInsets.all(8),
+        child: SingleChildScrollView(
+          child: Column(
+            children: [
+              Row(
+                children: [
+                  SizedBox(
+                    width: 150,
+                    child: ListTile(
+                      title: Text("Username"),
+                    ),
+                  ),
+                  TextField(
+                    controller: username,
+                  )
+                ],
+              ),
+              if (!newUser)
+                ListTile(
+                  title: Text("Warning"),
+                  subtitle: Text(
+                      "The password is encrypted, if you wish to change the password do so below, but the field is intentionally not filled in. If left blank, it will remain unchanged."),
+                ),
+              Row(
+                children: [
+                  SizedBox(
+                    width: 150,
+                    child: ListTile(
+                      title: Text("Password"),
+                    ),
+                  ),
+                  TextField(
+                    controller: password,
+                    obscureText: true,
+                  )
+                ],
+              ),
+              if (!newUser)
+                ListTile(
+                  title: Text("DELETE USER"),
+                  leading: Icon(Icons.delete),
+                  subtitle: Text("Delete the current user entirely"),
+                  onTap: () {
+                    Navigator.pop(context, false);
+                  },
+                )
+            ],
+          ),
+        ),
+      ),
+    );
+  }
+}