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feat(n8n Form Trigger Node, Chat Trigger Node): Allow to customize form and chat css (#13506)

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This commit is contained in:
oleg
2025-02-28 12:27:49 +01:00
committed by GitHub
parent c4f3293778
commit 289041e997
29 changed files with 1278 additions and 377 deletions
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20
packages/nodes-base/nodes/Form/utils.ts
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@@ -72,6 +72,18 @@ export function sanitizeHtml(text: string) {
});
}
export function sanitizeCustomCss(css: string | undefined): string | undefined {
if (!css) return undefined;
// Use sanitize-html with custom settings for CSS
return sanitize(css, {
allowedTags: [], // No HTML tags allowed
allowedAttributes: {}, // No attributes allowed
// This ensures we're only keeping the text content
// which should be the CSS, while removing any HTML/script tags
});
}
export function createDescriptionMetadata(description: string) {
return description === ''
? 'n8n form'
@@ -91,6 +103,7 @@ export function prepareFormData({
useResponseData,
appendAttribution = true,
buttonLabel,
customCss,
}: {
formTitle: string;
formDescription: string;
@@ -104,6 +117,7 @@ export function prepareFormData({
appendAttribution?: boolean;
buttonLabel?: string;
formSubmittedHeader?: string;
customCss?: string;
}) {
const validForm = formFields.length > 0;
const utm_campaign = instanceId ? `&utm_campaign=${instanceId}` : '';
@@ -126,6 +140,7 @@ export function prepareFormData({
useResponseData,
appendAttribution,
buttonLabel,
dangerousCustomCss: sanitizeCustomCss(customCss),
};
if (redirectUrl) {
@@ -352,6 +367,7 @@ export function renderForm({
redirectUrl,
appendAttribution,
buttonLabel,
customCss,
}: {
context: IWebhookFunctions;
res: Response;
@@ -364,6 +380,7 @@ export function renderForm({
redirectUrl?: string;
appendAttribution?: boolean;
buttonLabel?: string;
customCss?: string;
}) {
formDescription = (formDescription || '').replace(/\\n/g, '\n').replace(/<br>/g, '\n');
const instanceId = context.getInstanceId();
@@ -406,6 +423,7 @@ export function renderForm({
useResponseData,
appendAttribution,
buttonLabel,
customCss,
});
res.render('form-trigger', data);
@@ -436,6 +454,7 @@ export async function formWebhook(
useWorkflowTimezone?: boolean;
appendAttribution?: boolean;
buttonLabel?: string;
customCss?: string;
};
const res = context.getResponseObject();
const req = context.getRequestObject();
@@ -526,6 +545,7 @@ export async function formWebhook(
redirectUrl,
appendAttribution,
buttonLabel,
customCss: options.customCss,
});
return {