Add options

lib/PasswordGenerator.ts

@@ -7,14 +7,35 @@ const AsciiRange = {
     /** childe mark ~ */
     max: 126,
 }
+const optRegexes = {
+    space: " ",
+    special: "!\"#\\$%&'\\(\\)\\*\\+,-./:;<=>\\?@\\[\\\\\\]\\^_`\\{|\\}~",
+    number: "\\d",
+};
+
+export interface DisableOptions {
+    space?: boolean;
+    special?: boolean;
+    number?: boolean;
+}
+
+export async function generatePassword(length: number, disableOpts?: DisableOptions): Promise<string> {
+    if (length < 5) {
+        throw new Error("Password length must be longer than 5.");
+    }
 
-export async function generatePassword(length: number): Promise<string> {
     let result = "";
+    const regex = createRegex(disableOpts)
+
     while (true) {
         const bytes = await promisify(crypto.randomBytes)(length * 2);
         const byteArray = Array.from(bytes);
         const filtered = byteArray.filter(isInAsciiRange);
         result += String.fromCharCode(...filtered);
+        if (regex) {
+            result = result.replace(regex, "");
+        }
+
         if (result.length >= length) {
             result = result.slice(0, length);
             break;
@@ -25,4 +46,16 @@ export async function generatePassword(length: number): Promise<string> {
 
 function isInAsciiRange(value: number) {
     return AsciiRange.min <= value && value <= AsciiRange.max;
+}
+
+function createRegex(disableOpts?: DisableOptions): RegExp | undefined {
+    if (!disableOpts) {
+        return undefined;
+    }
+    let reg = "";
+    if (disableOpts?.space) { reg += optRegexes.space };
+    if (disableOpts?.special) { reg += optRegexes.special };
+    if (disableOpts?.number) { reg += optRegexes.number };
+
+    return new RegExp(`[${reg}]`, "g");
 }

lib/PasswordGeneratorNode.html

@@ -5,8 +5,11 @@
         color: "#D8BFD8",
         defaults: {
             name: { value: "" },
-            length: { value: "", required: true, validate: RED.validators.number() },
+            length: { value: "", required: true, validate: (v) => v > 4 },
             setTo: { value: "" },
+            isNumberDisabled: { value: false, require: true },
+            isSpecialCharsDisabled: { value: false, require: true },
+            isSpaceDisabled: { value: false, require: true },
         },
         inputs: 1,
         outputs: 1,
@@ -26,9 +29,21 @@
         <input type="text" id="node-input-length">
     </div>
     <div class="form-row">
-        <label for="node-input-setTo"><i class="fa fa-ellipsis-he"></i> to</label>
+        <label for="node-input-setTo"><i class="fa fa-ellipsis-h"></i> to</label>
         <input type="text" id="node-input-setTo">
     </div>
+    <div class="form-row">
+        <label for="node-input-isNumberDisabled"> Disable Number</label>
+        <input type="checkbox" id="node-input-isNumberDisabled">
+    </div>
+    <div class="form-row">
+        <label for="node-input-isSpecialCharsDisabled"> Disable Special chars</label>
+        <input type="checkbox" id="node-input-isSpecialCharsDisabled">
+    </div>
+    <div class="form-row">
+        <label for="node-input-isSpaceDisabled"> Disable Space</label>
+        <input type="checkbox" id="node-input-isSpaceDisabled">
+    </div>
 </script>
 
 <script type="text/html" data-help-name="password-generator">
@@ -40,5 +55,7 @@
         <dd> Password length. </dd>
         <dt>to</dt>
         <dd> The property to set generated password. </dd>
+        <dt>Disable options</dt>
+        <dd> Excludes the characters from the generated password. </dd>
     </dl>
-</script>
+</script>