import GuJumpgate snapshot from GitHub
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// content/inbucket-mail.js — Content script for Inbucket polling (steps 4, 7)
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// Injected dynamically on the configured Inbucket host
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//
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// Supported page:
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// - /m/<mailbox>/
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const INBUCKET_PREFIX = '[MultiPage:inbucket-mail]';
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const isTopFrame = window === window.top;
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const SEEN_MAIL_IDS_KEY = 'seenInbucketMailIds';
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console.log(INBUCKET_PREFIX, 'Content script loaded on', location.href, 'frame:', isTopFrame ? 'top' : 'child');
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if (!isTopFrame) {
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console.log(INBUCKET_PREFIX, 'Skipping child frame');
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} else {
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let seenMailIds = new Set();
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async function loadSeenMailIds() {
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try {
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const data = await chrome.storage.session.get(SEEN_MAIL_IDS_KEY);
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if (Array.isArray(data[SEEN_MAIL_IDS_KEY])) {
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seenMailIds = new Set(data[SEEN_MAIL_IDS_KEY]);
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console.log(INBUCKET_PREFIX, `Loaded ${seenMailIds.size} previously seen mail ids`);
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}
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} catch (err) {
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console.warn(INBUCKET_PREFIX, 'Session storage unavailable, using in-memory seen mail ids:', err?.message || err);
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}
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}
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async function persistSeenMailIds() {
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try {
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await chrome.storage.session.set({ [SEEN_MAIL_IDS_KEY]: [...seenMailIds] });
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} catch (err) {
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console.warn(INBUCKET_PREFIX, 'Could not persist seen mail ids, continuing in-memory only:', err?.message || err);
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}
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}
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loadSeenMailIds();
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chrome.runtime.onMessage.addListener((message, sender, sendResponse) => {
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if (message.type === 'POLL_EMAIL') {
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resetStopState();
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handlePollEmail(message.step, message.payload).then(result => {
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sendResponse(result);
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}).catch(err => {
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if (isStopError(err)) {
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log(`步骤 ${message.step}：已被用户停止。`, 'warn');
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sendResponse({ stopped: true, error: err.message });
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return;
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}
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log(`步骤 ${message.step}：邮箱轮询失败：${err.message}`, 'warn');
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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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function normalizeText(value) {
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return (value || '').replace(/\s+/g, ' ').trim().toLowerCase();
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}
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function normalizeRulePatternList(patterns = []) {
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return Array.isArray(patterns) ? patterns : [];
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}
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function extractCodeByRulePatterns(text, patterns = []) {
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const normalizedText = String(text || '');
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for (const pattern of normalizeRulePatternList(patterns)) {
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try {
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const source = String(pattern?.source || '').trim();
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if (!source) {
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continue;
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}
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const flags = String(pattern?.flags || '').replace(/[^dgimsuvy]/g, '');
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const match = normalizedText.match(new RegExp(source, flags));
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if (!match) {
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continue;
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}
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for (let index = 1; index < match.length; index += 1) {
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const candidate = String(match[index] || '').trim();
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if (candidate) {
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return candidate;
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}
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}
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if (String(match[0] || '').trim()) {
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return String(match[0] || '').trim();
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}
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} catch (_) {
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// Ignore invalid runtime rule patterns and continue with other candidates.
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}
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}
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return null;
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}
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function matchesKeywordHints(text, keywords = []) {
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const normalizedText = normalizeText(text);
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const normalizedKeywords = Array.isArray(keywords) ? keywords : [];
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return normalizedKeywords.some((keyword) => normalizedText.includes(normalizeText(keyword)));
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}
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function extractVerificationCode(text, options = {}) {
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const matchedByRule = extractCodeByRulePatterns(text, options?.codePatterns);
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if (matchedByRule) {
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return matchedByRule;
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}
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const matchCn = text.match(/(?:代码为|验证码[^0-9]*?)[\s：:]*(\d{6})/);
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if (matchCn) return matchCn[1];
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const matchLoginCode = text.match(/(?:log-?in\s+code|enter\s+this\s+code)[^0-9]{0,24}(\d{6})/i);
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if (matchLoginCode) return matchLoginCode[1];
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const matchEn = text.match(/code[:\s]+is[:\s]+(\d{6})|code[:\s]+(\d{6})/i);
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if (matchEn) return matchEn[1] || matchEn[2];
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const match6 = text.match(/\b(\d{6})\b/);
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if (match6) return match6[1];
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return null;
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}
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function rowMatchesFilters(mail, senderFilters, subjectFilters, targetEmail, options = {}) {
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const sender = normalizeText(mail.sender);
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const subject = normalizeText(mail.subject);
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const mailbox = normalizeText(mail.mailbox);
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const combined = normalizeText(mail.combinedText);
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const targetLocal = normalizeText((targetEmail || '').split('@')[0]);
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const senderMatch = senderFilters.some(f => sender.includes(f.toLowerCase()) || combined.includes(f.toLowerCase()));
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const subjectMatch = subjectFilters.some(f => subject.includes(f.toLowerCase()) || combined.includes(f.toLowerCase()));
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const mailboxMatch = Boolean(targetLocal) && mailbox.includes(targetLocal);
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const forwardedDuck = /duckduckgo|forward(?:ed)?\s*by/i.test(mail.combinedText);
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const code = extractVerificationCode(mail.combinedText, {
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codePatterns: options?.codePatterns,
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});
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const keywordMatch = options?.requiredKeywords?.length
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? matchesKeywordHints(combined, options.requiredKeywords)
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: /verify|verification|confirm|log-?in|验证码|代码/.test(combined);
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if (mailboxMatch) return { matched: true, mailboxMatch, code };
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if (senderMatch || subjectMatch) return { matched: true, mailboxMatch: false, code };
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if (code && (forwardedDuck || keywordMatch)) return { matched: true, mailboxMatch: false, code };
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return { matched: false, mailboxMatch: false, code };
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}
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function findMailboxEntries() {
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return document.querySelectorAll('.message-list-entry');
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}
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function getMailboxEntryId(entry, index = 0) {
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const explicitId = entry.getAttribute('data-id') || entry.dataset?.id || '';
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if (explicitId) return explicitId;
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const subject = entry.querySelector('.subject')?.textContent?.trim() || '';
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const sender = entry.querySelector('.from')?.textContent?.trim() || '';
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const dateText = entry.querySelector('.date')?.textContent?.trim() || '';
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return `mailbox:${index}:${normalizeText(subject)}|${normalizeText(sender)}|${normalizeText(dateText)}`;
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}
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function parseMailboxEntry(entry, index = 0) {
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const subject = entry.querySelector('.subject')?.textContent?.trim() || '';
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const sender = entry.querySelector('.from')?.textContent?.trim() || '';
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const dateText = entry.querySelector('.date')?.textContent?.trim() || '';
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const combinedText = [subject, sender, dateText].filter(Boolean).join(' ');
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return {
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entry,
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dateText,
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sender,
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mailbox: '',
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subject,
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unread: entry.classList.contains('unseen'),
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combinedText,
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mailId: getMailboxEntryId(entry, index),
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};
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}
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function getCurrentMailboxIds() {
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const ids = new Set();
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Array.from(findMailboxEntries()).forEach((entry, index) => {
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ids.add(getMailboxEntryId(entry, index));
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});
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return ids;
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}
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async function refreshMailbox() {
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const refreshButton = document.querySelector('button[alt="Refresh Mailbox"]');
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if (!refreshButton) return;
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simulateClick(refreshButton);
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await sleep(800);
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}
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async function openMailboxEntry(entry) {
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simulateClick(entry);
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for (let i = 0; i < 20; i++) {
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if (entry.classList.contains('selected') || document.querySelector('.message-header, .message-body, .button-bar')) {
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return;
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}
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await sleep(150);
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}
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}
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async function deleteCurrentMailboxMessage(step) {
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try {
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const deleteButton = await waitForElement('.button-bar button.danger', 5000);
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simulateClick(deleteButton);
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log(`步骤 ${step}：已删除邮箱消息`, 'ok');
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await sleep(1200);
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} catch (err) {
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log(`步骤 ${step}：删除邮箱消息失败：${err.message}`, 'warn');
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}
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}
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async function handleMailboxPollEmail(step, payload) {
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const {
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codePatterns = [],
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requiredKeywords = [],
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senderFilters = [],
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subjectFilters = [],
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maxAttempts = 20,
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intervalMs = 3000,
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excludeCodes = [],
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} = payload || {};
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const excludedCodeSet = new Set(excludeCodes.filter(Boolean));
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log(`步骤 ${step}：开始轮询 Inbucket 邮箱页面（最多 ${maxAttempts} 次）`);
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try {
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await waitForElement('.message-list, .message-list-entry', 15000);
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log(`步骤 ${step}：邮箱页面已加载`);
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} catch {
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throw new Error('Inbucket 邮箱页面未加载完成，请确认已打开 /m/<mailbox>/ 页面。');
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}
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const existingMailIds = getCurrentMailboxIds();
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log(`步骤 ${step}：已记录当前 ${existingMailIds.size} 封旧消息快照`);
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const FALLBACK_AFTER = 3;
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for (let attempt = 1; attempt <= maxAttempts; attempt++) {
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log(`步骤 ${step}：正在轮询 Inbucket 邮箱，第 ${attempt}/${maxAttempts} 次`);
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if (attempt > 1) {
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await refreshMailbox();
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}
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const entries = Array.from(findMailboxEntries()).map(parseMailboxEntry);
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const useFallback = attempt > FALLBACK_AFTER;
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const candidates = [];
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for (const mail of entries) {
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if (!mail.unread) continue;
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if (seenMailIds.has(mail.mailId)) continue;
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if (!useFallback && existingMailIds.has(mail.mailId)) continue;
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const match = rowMatchesFilters(mail, senderFilters, subjectFilters, '', {
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codePatterns,
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requiredKeywords,
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});
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if (!match.matched) continue;
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candidates.push({ ...mail, code: match.code });
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}
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for (const mail of candidates) {
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const code = mail.code || extractVerificationCode(mail.combinedText, {
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codePatterns,
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});
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if (!code) continue;
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if (excludedCodeSet.has(code)) {
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log(`步骤 ${step}：跳过排除的验证码：${code}`, 'info');
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continue;
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}
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await openMailboxEntry(mail.entry);
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await deleteCurrentMailboxMessage(step);
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seenMailIds.add(mail.mailId);
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await persistSeenMailIds();
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const source = existingMailIds.has(mail.mailId) ? '回退匹配邮件' : '新邮件';
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log(
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`步骤 ${step}：已找到验证码：${code}（来源：${source}，发件人：${mail.sender || '未知'}，主题：${(mail.subject || '').slice(0, 60)}）`,
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'ok'
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);
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return {
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ok: true,
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code,
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emailTimestamp: Date.now(),
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mailId: mail.mailId,
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};
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}
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if (attempt === FALLBACK_AFTER + 1) {
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log(`步骤 ${step}：暂未发现新消息，开始回退到较早的匹配邮件`, 'warn');
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}
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if (attempt < maxAttempts) {
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await sleep(intervalMs);
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}
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}
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throw new Error(
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`${(maxAttempts * intervalMs / 1000).toFixed(0)} 秒后仍未在 Inbucket 邮箱中找到匹配的验证码邮件。` +
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'请手动检查邮箱页面。'
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);
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}
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async function handlePollEmail(step, payload) {
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if (!location.pathname.startsWith('/m/')) {
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throw new Error('当前 Inbucket 仅支持 /m/<mailbox>/ 这种邮箱页面。');
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}
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return handleMailboxPollEmail(step, payload);
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}
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} // end of isTopFrame else block
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