Plua模式开发
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QLHazyCoder
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// content/paypal-flow.js — PayPal login and approval helper.
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console.log('[MultiPage:paypal-flow] Content script loaded on', location.href);
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const PAYPAL_FLOW_LISTENER_SENTINEL = 'data-multipage-paypal-flow-listener';
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if (document.documentElement.getAttribute(PAYPAL_FLOW_LISTENER_SENTINEL) !== '1') {
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document.documentElement.setAttribute(PAYPAL_FLOW_LISTENER_SENTINEL, '1');
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chrome.runtime.onMessage.addListener((message, sender, sendResponse) => {
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if (
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message.type === 'PAYPAL_GET_STATE'
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|| message.type === 'PAYPAL_SUBMIT_LOGIN'
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|| message.type === 'PAYPAL_DISMISS_PROMPTS'
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|| message.type === 'PAYPAL_CLICK_APPROVE'
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) {
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resetStopState();
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handlePayPalCommand(message).then((result) => {
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sendResponse({ ok: true, ...(result || {}) });
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}).catch((err) => {
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if (isStopError(err)) {
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sendResponse({ stopped: true, error: err.message });
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return;
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}
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sendResponse({ error: err.message });
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});
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return true;
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}
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});
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} else {
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console.log('[MultiPage:paypal-flow] 消息监听已存在，跳过重复注册');
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}
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async function handlePayPalCommand(message) {
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switch (message.type) {
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case 'PAYPAL_GET_STATE':
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return inspectPayPalState();
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case 'PAYPAL_SUBMIT_LOGIN':
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return submitPayPalLogin(message.payload || {});
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case 'PAYPAL_DISMISS_PROMPTS':
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return dismissPayPalPrompts();
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case 'PAYPAL_CLICK_APPROVE':
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return clickPayPalApprove();
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default:
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throw new Error(`paypal-flow.js 不处理消息：${message.type}`);
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}
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}
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async function waitUntil(predicate, options = {}) {
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const intervalMs = Math.max(50, Math.floor(Number(options.intervalMs) || 250));
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while (true) {
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throwIfStopped();
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const value = await predicate();
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if (value) {
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return value;
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}
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await sleep(intervalMs);
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}
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}
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async function waitForDocumentComplete() {
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await waitUntil(() => document.readyState === 'complete', { intervalMs: 200 });
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await sleep(1000);
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}
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function isVisibleElement(el) {
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if (!el) return false;
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const style = window.getComputedStyle(el);
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const rect = el.getBoundingClientRect();
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return style.display !== 'none'
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&& style.visibility !== 'hidden'
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&& Number(rect.width) > 0
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&& Number(rect.height) > 0;
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}
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function normalizeText(text = '') {
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return String(text || '').replace(/\s+/g, ' ').trim();
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}
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function getActionText(el) {
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return normalizeText([
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el?.textContent,
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el?.value,
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el?.getAttribute?.('aria-label'),
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el?.getAttribute?.('title'),
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el?.getAttribute?.('placeholder'),
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el?.getAttribute?.('name'),
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el?.id,
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].filter(Boolean).join(' '));
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}
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function getVisibleControls(selector) {
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return Array.from(document.querySelectorAll(selector)).filter(isVisibleElement);
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}
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function isEnabledControl(el) {
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return Boolean(el)
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&& !el.disabled
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&& el.getAttribute?.('aria-disabled') !== 'true';
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}
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function findClickableByText(patterns) {
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const normalizedPatterns = (Array.isArray(patterns) ? patterns : [patterns]).filter(Boolean);
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const candidates = getVisibleControls('button, a, [role="button"], input[type="button"], input[type="submit"]');
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return candidates.find((el) => {
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const text = getActionText(el);
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return normalizedPatterns.some((pattern) => pattern.test(text));
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}) || null;
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}
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function findInputByPatterns(patterns) {
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const inputs = getVisibleControls('input')
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.filter((input) => {
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const type = String(input.getAttribute('type') || input.type || '').trim().toLowerCase();
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return !['hidden', 'checkbox', 'radio', 'submit', 'button', 'file'].includes(type);
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});
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return inputs.find((input) => {
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const text = getActionText(input);
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return patterns.some((pattern) => pattern.test(text));
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}) || null;
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}
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function findEmailInput() {
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return findInputByPatterns([
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/email|login|user|账号|邮箱/i,
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]) || getVisibleControls('input[type="email"]').find(isVisibleElement) || null;
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}
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function findPasswordInput() {
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return findInputByPatterns([
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/password|pass|密码/i,
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]) || getVisibleControls('input[type="password"]').find(isVisibleElement) || null;
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}
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function findLoginNextButton() {
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return findClickableByText([
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/next|continue|login|log\s*in|sign\s*in/i,
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/下一步|继续|登录|登入/i,
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]);
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}
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function findApproveButton() {
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return findClickableByText([
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/同意并继续|同意|继续|授权|确认并继续/i,
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/agree\s*(?:and)?\s*continue|continue|accept|authorize|agree|pay\s*now/i,
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]);
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}
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function findPasskeyPromptButtons() {
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const promptPatterns = [
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/passkey|通行密钥|安全密钥|下次登录|faster|save/i,
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];
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const bodyText = normalizeText(document.body?.innerText || '');
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const likelyPrompt = promptPatterns.some((pattern) => pattern.test(bodyText));
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if (!likelyPrompt) {
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return [];
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}
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const cancelOrClose = getVisibleControls('button, a, [role="button"]')
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.filter((el) => {
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const text = getActionText(el);
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return /取消|稍后|不保存|不用|关闭|cancel|not now|maybe later|skip|close|x/i.test(text)
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|| el.getAttribute?.('aria-label')?.match(/close|关闭/i);
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});
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const iconCloseButtons = getVisibleControls('button, [role="button"]')
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.filter((el) => {
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const text = getActionText(el);
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const rect = el.getBoundingClientRect();
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return (/^×$|^x$/i.test(text) || /close|关闭/i.test(text))
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&& rect.width <= 64
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&& rect.height <= 64;
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});
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return [...cancelOrClose, ...iconCloseButtons];
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}
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function hasPasskeyPrompt() {
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return findPasskeyPromptButtons().length > 0;
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}
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async function submitPayPalLogin(payload = {}) {
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await waitForDocumentComplete();
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const email = normalizeText(payload.email || '');
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const password = String(payload.password || '');
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if (!password) {
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throw new Error('PayPal 密码为空，请先在侧边栏配置。');
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}
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let passwordInput = findPasswordInput();
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const emailInput = findEmailInput();
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if (!passwordInput && emailInput && email) {
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fillInput(emailInput, email);
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const nextButton = findLoginNextButton();
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if (nextButton && isEnabledControl(nextButton)) {
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simulateClick(nextButton);
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}
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passwordInput = await waitUntil(() => findPasswordInput(), { intervalMs: 250 });
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} else if (!passwordInput && emailInput && !email) {
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throw new Error('PayPal 账号为空，请先在侧边栏配置。');
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} else if (emailInput && email && !String(emailInput.value || '').trim()) {
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fillInput(emailInput, email);
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}
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passwordInput = passwordInput || await waitUntil(() => findPasswordInput(), { intervalMs: 250 });
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fillInput(passwordInput, password);
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await sleep(1000);
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const loginButton = await waitUntil(() => {
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const button = findClickableByText([
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/login|log\s*in|sign\s*in|continue/i,
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/登录|登入|继续/i,
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]);
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return button && isEnabledControl(button) ? button : null;
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}, { intervalMs: 250 });
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simulateClick(loginButton);
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return { submitted: true };
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}
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async function dismissPayPalPrompts() {
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await waitForDocumentComplete();
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const buttons = findPasskeyPromptButtons();
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let clicked = 0;
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for (const button of buttons) {
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if (!isVisibleElement(button) || !isEnabledControl(button)) {
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continue;
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}
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simulateClick(button);
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clicked += 1;
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await sleep(500);
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}
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return {
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clicked,
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hasPromptAfterClick: hasPasskeyPrompt(),
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};
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}
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async function clickPayPalApprove() {
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await waitForDocumentComplete();
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await dismissPayPalPrompts().catch(() => ({ clicked: 0 }));
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const button = findApproveButton();
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if (!button || !isEnabledControl(button)) {
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return {
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clicked: false,
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state: inspectPayPalState(),
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};
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}
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simulateClick(button);
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return {
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clicked: true,
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buttonText: getActionText(button),
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};
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}
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function inspectPayPalState() {
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const emailInput = findEmailInput();
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const passwordInput = findPasswordInput();
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const approveButton = findApproveButton();
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return {
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url: location.href,
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readyState: document.readyState,
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needsLogin: Boolean(emailInput || passwordInput),
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hasEmailInput: Boolean(emailInput),
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hasPasswordInput: Boolean(passwordInput),
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approveReady: Boolean(approveButton && isEnabledControl(approveButton)),
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approveButtonText: approveButton ? getActionText(approveButton) : '',
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hasPasskeyPrompt: hasPasskeyPrompt(),
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bodyTextPreview: normalizeText(document.body?.innerText || '').slice(0, 240),
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};
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}
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