Key verification & generation

src/components/Form/FormPasswordGenerator.tsx

@@ -8,6 +8,7 @@ import { Controller, type FieldValues } from "react-hook-form";
 
 export interface PasswordGeneratorProps<T> extends BaseFormBuilderProps<T> {
   type: "passwordGenerator";
+  hide?: boolean;
   devicePSKBitCount: number;
   inputChange: ChangeEventHandler;
   selectChange: (event: string) => void;
@@ -17,13 +18,15 @@ export interface PasswordGeneratorProps<T> extends BaseFormBuilderProps<T> {
 export function PasswordGenerator<T extends FieldValues>({
   control,
   field,
+  disabled,
 }: GenericFormElementProps<T, PasswordGeneratorProps<T>>) {
   return (
     <Controller
       name={field.name}
       control={control}
       render={({ field: { value, ...rest } }) => (
         <Generator
+          hide={field.hide}
           devicePSKBitCount={field.devicePSKBitCount}
           inputChange={field.inputChange}
           selectChange={field.selectChange}
@@ -33,6 +36,7 @@ export function PasswordGenerator<T extends FieldValues>({
           buttonText="Generate"
           {...field.properties}
           {...rest}
+          disabled={disabled}
         />
       )}
     />

src/components/PageComponents/Config/Security.tsx

@@ -3,6 +3,7 @@ import type { SecurityValidation } from "@app/validation/config/security.js";
 import { useDevice } from "@core/stores/deviceStore.js";
 import { Protobuf } from "@meshtastic/js";
 import { fromByteArray, toByteArray } from "base64-js";
+import cryptoRandomString from "crypto-random-string";
 import { Eye, EyeOff } from "lucide-react";
 import { useState } from "react";
 
@@ -13,15 +14,27 @@ export const Security = (): JSX.Element => {
     fromByteArray(config.security?.privateKey ?? new Uint8Array(0)),
   );
   const [privateKeyVisible, setPrivateKeyVisible] = useState<boolean>(false);
+  const [privateKeyBitCount, setPrivateKeyBitCount] = useState<number>(
+    config.security?.privateKey.length ?? 16,
+  );
+  const [privateKeyValidationText, setPrivateKeyValidationText] =
+    useState<string>();
   const [publicKey, setPublicKey] = useState<string>(
     fromByteArray(config.security?.publicKey ?? new Uint8Array(0)),
   );
   const [adminKey, setAdminKey] = useState<string>(
     fromByteArray(config.security?.adminKey ?? new Uint8Array(0)),
   );
   const [adminKeyVisible, setAdminKeyVisible] = useState<boolean>(false);
+  const [adminKeyBitCount, setAdminKeyBitCount] = useState<number>(
+    config.security?.adminKey.length ?? 16,
+  );
+  const [adminKeyValidationText, setAdminKeyValidationText] =
+    useState<string>();
 
   const onSubmit = (data: SecurityValidation) => {
+    if (privateKeyValidationText || adminKeyValidationText) return;
+
     setWorkingConfig(
       new Protobuf.Config.Config({
         payloadVariant: {
@@ -36,32 +49,105 @@ export const Security = (): JSX.Element => {
       }),
     );
   };
+
+  const clickEvent = (
+    setKey: (value: React.SetStateAction<string>) => void,
+    bitCount: number,
+    setValidationText: (
+      value: React.SetStateAction<string | undefined>,
+    ) => void,
+  ) => {
+    setKey(
+      btoa(
+        cryptoRandomString({
+          length: bitCount ?? 0,
+          type: "alphanumeric",
+        }),
+      ),
+    );
+    setValidationText(undefined);
+  };
+
+  const validatePass = (
+    input: string,
+    count: number,
+    setValidationText: (
+      value: React.SetStateAction<string | undefined>,
+    ) => void,
+  ) => {
+    if (input.length % 4 !== 0 || toByteArray(input).length !== count) {
+      setValidationText(`Please enter a valid ${count * 8} bit PSK.`);
+    } else {
+      setValidationText(undefined);
+    }
+  };
+
+  const privateKeyInputChangeEvent = (
+    e: React.ChangeEvent<HTMLInputElement>,
+  ) => {
+    const psk = e.currentTarget?.value;
+    setPrivateKey(psk);
+    validatePass(psk, privateKeyBitCount, setPrivateKeyValidationText);
+  };
+
+  const adminKeyInputChangeEvent = (e: React.ChangeEvent<HTMLInputElement>) => {
+    const psk = e.currentTarget?.value;
+    setAdminKey(psk);
+    validatePass(psk, privateKeyBitCount, setAdminKeyValidationText);
+  };
+
+  const privateKeySelectChangeEvent = (e: string) => {
+    const count = Number.parseInt(e);
+    setPrivateKeyBitCount(count);
+    validatePass(privateKey, count, setPrivateKeyValidationText);
+  };
+
+  const adminKeySelectChangeEvent = (e: string) => {
+    const count = Number.parseInt(e);
+    setAdminKeyBitCount(count);
+    validatePass(privateKey, count, setAdminKeyValidationText);
+  };
+
   return (
     <DynamicForm<SecurityValidation>
       onSubmit={onSubmit}
       defaultValues={{
         ...config.security,
-        adminKey: adminKey,
-        privateKey: privateKey,
-        publicKey: publicKey,
+        ...{
+          adminKey: adminKey,
+          privateKey: privateKey,
+          publicKey: publicKey,
+        },
       }}
       fieldGroups={[
         {
           label: "Security Settings",
           description: "Settings for the Security configuration",
           fields: [
             {
-              type: privateKeyVisible ? "text" : "password",
+              type: "passwordGenerator",
               name: "privateKey",
               label: "Private Key",
               description: "Used to create a shared key with a remote device",
+              validationText: privateKeyValidationText,
+              devicePSKBitCount: privateKeyBitCount,
+              inputChange: privateKeyInputChangeEvent,
+              selectChange: privateKeySelectChangeEvent,
+              hide: !privateKeyVisible,
+              buttonClick: () =>
+                clickEvent(
+                  setPrivateKey,
+                  privateKeyBitCount,
+                  setPrivateKeyValidationText,
+                ),
               disabledBy: [
                 {
                   fieldName: "adminChannelEnabled",
                   invert: true,
                 },
               ],
               properties: {
+                value: privateKey,
                 action: {
                   icon: privateKeyVisible ? EyeOff : Eye,
                   onClick: () => setPrivateKeyVisible(!privateKeyVisible),
@@ -97,18 +183,30 @@ export const Security = (): JSX.Element => {
                 'If true, device is considered to be "managed" by a mesh administrator via admin messages',
             },
             {
-              type: adminKeyVisible ? "text" : "password",
+              type: "passwordGenerator",
               name: "adminKey",
               label: "Admin Key",
+              description:
+                "The public key authorized to send admin messages to this node",
+              validationText: adminKeyValidationText,
+              devicePSKBitCount: adminKeyBitCount,
+              inputChange: adminKeyInputChangeEvent,
+              selectChange: adminKeySelectChangeEvent,
+              hide: !adminKeyVisible,
+              buttonClick: () =>
+                clickEvent(
+                  setAdminKey,
+                  adminKeyBitCount,
+                  setAdminKeyValidationText,
+                ),
               disabledBy: [{ fieldName: "adminChannelEnabled" }],
               properties: {
+                value: adminKey,
                 action: {
                   icon: adminKeyVisible ? EyeOff : Eye,
                   onClick: () => setAdminKeyVisible(!adminKeyVisible),
                 },
               },
-              description:
-                "The public key authorized to send admin messages to this node",
             },
           ],
         },

src/components/UI/Generator.tsx

@@ -9,45 +9,57 @@ import {
   SelectTrigger,
   SelectValue,
 } from "@components/UI/Select.js";
+import type { LucideIcon } from "lucide-react";
 
 export interface GeneratorProps extends React.BaseHTMLAttributes<HTMLElement> {
+  hide?: boolean;
   devicePSKBitCount?: number;
   value: string;
   variant: "default" | "invalid";
   buttonText?: string;
   selectChange: (event: string) => void;
   inputChange: (event: React.ChangeEvent<HTMLInputElement>) => void;
   buttonClick: React.MouseEventHandler<HTMLButtonElement>;
+  action?: {
+    icon: LucideIcon;
+    onClick: () => void;
+  };
+  disabled?: boolean;
 }
 
 const Generator = React.forwardRef<HTMLInputElement, GeneratorProps>(
   (
     {
+      hide = true,
       devicePSKBitCount,
       variant,
       value,
       buttonText,
       selectChange,
       inputChange,
       buttonClick,
+      action,
+      disabled,
       ...props
     },
     ref,
   ) => {
     return (
       <>
         <Input
-          type="text"
+          type={hide ? "password" : "text"}
           id="pskInput"
           variant={variant}
           value={value}
           onChange={inputChange}
+          action={action}
+          disabled={disabled}
         />
         <Select
           value={devicePSKBitCount?.toString()}
           onValueChange={(e) => selectChange(e)}
         >
-          <SelectTrigger>
+          <SelectTrigger className="!max-w-max">
             <SelectValue />
           </SelectTrigger>
           <SelectContent>