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/** |
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* reCAPTCHA Service for Frontend Integration |
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* Handles Google reCAPTCHA v2, v3, and invisible integration |
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*/ |
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|
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import type { RecaptchaConfig, RecaptchaWidgetOptions } from '@/types/recaptcha/recaptcha-interface' |
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import { useLabels } from '@/composables/useLabels' |
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|
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/** |
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* Helper function to get labels safely (defers useLabels call until runtime) |
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*/ |
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function getLabel(key: string): string { |
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try { |
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const { getLabel: getLabelFn } = useLabels() |
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return getLabelFn(key) |
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} catch { |
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return key // Fallback if Pinia not ready |
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} |
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} |
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|
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export interface RecaptchaInstance { |
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render: (container: string | HTMLElement, options: RecaptchaWidgetOptions) => number |
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execute: (siteKeyOrWidgetId: string | number, options?: { action?: string }) => Promise<string> |
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getResponse: (widgetId?: number) => string |
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reset: (widgetId?: number) => void |
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ready: (callback: () => void) => void |
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} |
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|
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declare global { |
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interface Window { |
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grecaptcha?: RecaptchaInstance |
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onRecaptchaLoad?: () => void |
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} |
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} |
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|
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export class RecaptchaService { |
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private static instance: RecaptchaService |
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private config: RecaptchaConfig | null = null |
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private widgetId: number | null = null |
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private scriptLoaded = false |
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private executeResolver: ((token: string) => void) | null = null |
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|
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static getInstance(): RecaptchaService { |
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if (!RecaptchaService.instance) { |
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RecaptchaService.instance = new RecaptchaService() |
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} |
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return RecaptchaService.instance |
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} |
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|
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/** |
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* Initialize reCAPTCHA with configuration |
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* Note: Assumes Google reCAPTCHA script is already loaded by ShortcodeService |
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*/ |
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async init(config: RecaptchaConfig): Promise<void> { |
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this.config = config |
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|
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return new Promise((resolve) => { |
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if (window.grecaptcha) { |
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window.grecaptcha.ready(() => { |
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this.scriptLoaded = true |
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resolve() |
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}) |
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} else { |
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// If script isn't loaded yet, wait a bit and try again |
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setTimeout(() => { |
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if (window.grecaptcha) { |
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window.grecaptcha.ready(() => { |
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this.scriptLoaded = true |
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resolve() |
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}) |
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} else { |
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console.warn(getLabel('recaptcha_script_not_found')) |
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resolve() // Resolve anyway to avoid hanging |
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} |
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}, 100) |
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} |
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}) |
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} |
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|
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/** |
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* Render reCAPTCHA widget |
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*/ |
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async render( |
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container: string | HTMLElement, |
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options: Partial<RecaptchaWidgetOptions> = {}, |
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): Promise<number> { |
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if (!window.grecaptcha || !this.config) { |
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throw new Error(getLabel('recaptcha_not_initialized')) |
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} |
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|
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const renderOptions: RecaptchaWidgetOptions = { |
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sitekey: this.config.siteKey, // This is the critical missing piece! |
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callback: options.callback, |
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'expired-callback': options['expired-callback'], |
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'error-callback': options['error-callback'], |
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size: this.config.type === 'invisible' ? 'invisible' : options.size || 'normal', |
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theme: this.config.theme || 'light', |
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tabindex: options.tabindex, |
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} |
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|
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// For invisible reCAPTCHA, we need to wrap the callback to handle execute promise resolution |
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if (this.config.type === 'invisible' && options.callback) { |
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const originalCallback = options.callback |
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renderOptions.callback = (token: string) => { |
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originalCallback(token) |
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// Also resolve any pending execute promise |
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if (this.executeResolver) { |
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this.executeResolver(token) |
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this.executeResolver = null |
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} |
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} |
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} |
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|
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return new Promise((resolve) => { |
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window.grecaptcha!.ready(() => { |
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this.widgetId = window.grecaptcha!.render(container, renderOptions) |
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resolve(this.widgetId) |
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}) |
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}) |
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} |
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|
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/** |
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* Execute reCAPTCHA (for v3 and invisible) |
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*/ |
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async execute(action: string = 'submit'): Promise<string> { |
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if (!window.grecaptcha || !this.config) { |
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throw new Error(getLabel('recaptcha_not_initialized')) |
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} |
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|
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return new Promise((resolve, reject) => { |
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window.grecaptcha!.ready(async () => { |
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try { |
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if (this.config!.type === 'v3') { |
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const token = await window.grecaptcha!.execute(this.config!.siteKey, { action }) |
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resolve(token) |
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} else if (this.config!.type === 'invisible') { |
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// For invisible v2, execute the widget and wait for callback |
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if (this.widgetId === null) { |
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reject(new Error(getLabel('recaptcha_widget_not_initialized'))) |
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return |
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} |
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|
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// Set up promise resolver for callback |
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this.executeResolver = resolve |
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|
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// Execute the invisible reCAPTCHA |
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await window.grecaptcha!.execute(this.widgetId) |
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|
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// Set timeout to reject if no response in 30 seconds |
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setTimeout(() => { |
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if (this.executeResolver) { |
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this.executeResolver = null |
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reject(new Error(getLabel('recaptcha_execution_timeout'))) |
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} |
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}, 30000) |
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} else { |
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reject(new Error(getLabel('recaptcha_execute_not_supported'))) |
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} |
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} catch (error) { |
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reject(error) |
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} |
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}) |
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}) |
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} |
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|
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/** |
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* Get response from reCAPTCHA widget |
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*/ |
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getResponse(): string { |
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if (!window.grecaptcha) { |
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return '' |
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} |
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|
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return window.grecaptcha.getResponse(this.widgetId || 0) |
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} |
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|
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/** |
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* Reset reCAPTCHA widget |
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*/ |
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reset(): void { |
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if (window.grecaptcha && this.widgetId !== null) { |
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window.grecaptcha.reset(this.widgetId) |
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} |
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} |
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|
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/** |
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* Get current widget ID |
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*/ |
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getWidgetId(): number | null { |
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return this.widgetId |
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} |
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|
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/** |
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* Check if reCAPTCHA is ready |
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*/ |
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isReady(): boolean { |
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return this.scriptLoaded && !!window.grecaptcha |
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} |
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|
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/** |
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* Get current configuration |
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*/ |
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getConfig(): RecaptchaConfig | null { |
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return this.config |
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} |
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} |
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|
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// Export singleton instance |
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export const recaptchaService = RecaptchaService.getInstance() |
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