535 lines
18 KiB
JavaScript
535 lines
18 KiB
JavaScript
(function attachMicrosoftEmailHelpers(globalScope) {
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const CODE_PATTERN = /\b(\d{6})\b/;
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const GRAPH_SCOPES = 'offline_access https://graph.microsoft.com/Mail.Read https://graph.microsoft.com/User.Read';
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const GRAPH_DEFAULT_SCOPE = 'https://graph.microsoft.com/.default';
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const TOKEN_STRATEGIES = [
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{
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name: 'entra-common-delegated',
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url: 'https://login.microsoftonline.com/common/oauth2/v2.0/token',
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extraData: { scope: GRAPH_SCOPES },
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},
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{
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name: 'entra-consumers-delegated',
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url: 'https://login.microsoftonline.com/consumers/oauth2/v2.0/token',
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extraData: { scope: GRAPH_SCOPES },
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},
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{
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name: 'entra-common-default',
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url: 'https://login.microsoftonline.com/common/oauth2/v2.0/token',
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extraData: { scope: GRAPH_DEFAULT_SCOPE },
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},
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{
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name: 'entra-common-outlook',
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url: 'https://login.microsoftonline.com/common/oauth2/v2.0/token',
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extraData: {},
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},
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];
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const TRANSPORT_PLANS = [
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{
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transport: 'graph',
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strategyNames: ['entra-common-delegated', 'entra-consumers-delegated', 'entra-common-default'],
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},
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{
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transport: 'outlook',
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strategyNames: ['entra-common-outlook', 'entra-common-delegated', 'entra-consumers-delegated'],
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},
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];
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const GRAPH_API_BASE = 'https://graph.microsoft.com/v1.0/me/mailFolders';
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const OUTLOOK_API_BASE = 'https://outlook.office.com/api/v2.0/me/mailfolders';
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function getFetchImpl(fetchImpl) {
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const resolved = fetchImpl || globalScope.fetch;
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if (typeof resolved !== 'function') {
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throw new Error('Microsoft email helper requires a fetch implementation.');
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}
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return resolved;
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}
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function resolveTokenStrategy(name) {
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return TOKEN_STRATEGIES.find((item) => item.name === name) || TOKEN_STRATEGIES[0];
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}
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function normalizeMailboxLabel(mailbox = 'INBOX') {
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return /^junk(?:\s*e-?mail|\s*email)?$/i.test(String(mailbox || '').trim()) ? 'Junk' : 'INBOX';
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}
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function normalizeMailboxId(mailbox = 'INBOX') {
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return normalizeMailboxLabel(mailbox) === 'Junk' ? 'junkemail' : 'inbox';
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}
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function normalizeMailboxList(mailboxes) {
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const list = Array.isArray(mailboxes) && mailboxes.length ? mailboxes : ['INBOX'];
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return [...new Set(list.map((mailbox) => normalizeMailboxLabel(mailbox)))];
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}
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async function getResponseErrorText(response) {
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const text = await response.text().catch(() => '');
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if (!text) {
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return response.statusText || `HTTP ${response.status}`;
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}
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try {
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const parsed = JSON.parse(text);
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return parsed.error_description || parsed.error?.message || parsed.error || parsed.message || text;
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} catch {
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return text;
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}
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}
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async function exchangeRefreshToken(clientId, refreshToken, options = {}) {
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const fetchImpl = getFetchImpl(options.fetchImpl);
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const strategy = resolveTokenStrategy(options.strategyName);
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const body = new URLSearchParams({
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client_id: clientId,
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grant_type: 'refresh_token',
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refresh_token: refreshToken,
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...(strategy.extraData || {}),
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});
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const response = await fetchImpl(strategy.url, {
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method: 'POST',
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headers: { 'Content-Type': 'application/x-www-form-urlencoded' },
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body: body.toString(),
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signal: options.signal,
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});
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if (!response.ok) {
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throw new Error(`${strategy.name}: ${await getResponseErrorText(response)}`);
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}
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const data = await response.json();
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if (!data.access_token) {
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throw new Error(`${strategy.name}: token response missing access_token`);
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}
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return {
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...data,
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tokenStrategy: strategy.name,
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};
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}
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async function fetchGraphMessages(accessToken, options = {}) {
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const fetchImpl = getFetchImpl(options.fetchImpl);
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const mailbox = normalizeMailboxLabel(options.mailbox);
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const top = Math.max(1, Math.min(Number(options.top) || 5, 30));
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const url = `${GRAPH_API_BASE}/${normalizeMailboxId(mailbox)}/messages?$top=${encodeURIComponent(top)}&$select=id,internetMessageId,subject,from,bodyPreview,receivedDateTime,toRecipients,ccRecipients,bccRecipients&$orderby=receivedDateTime desc`;
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const response = await fetchImpl(url, {
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method: 'GET',
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headers: {
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Accept: 'application/json',
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Authorization: `Bearer ${accessToken}`,
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},
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signal: options.signal,
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});
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if (!response.ok) {
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throw new Error(`graph: ${await getResponseErrorText(response)}`);
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}
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const payload = await response.json();
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return Array.isArray(payload?.value) ? payload.value : [];
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}
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async function fetchOutlookMessages(accessToken, options = {}) {
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const fetchImpl = getFetchImpl(options.fetchImpl);
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const mailbox = normalizeMailboxLabel(options.mailbox);
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const top = Math.max(1, Math.min(Number(options.top) || 5, 30));
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const url = `${OUTLOOK_API_BASE}/${normalizeMailboxId(mailbox)}/messages?$top=${encodeURIComponent(top)}&$select=Id,Subject,From,BodyPreview,Body,ReceivedDateTime,ToRecipients,CcRecipients,BccRecipients&$orderby=ReceivedDateTime desc`;
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const response = await fetchImpl(url, {
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method: 'GET',
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headers: {
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Accept: 'application/json',
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Authorization: `Bearer ${accessToken}`,
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},
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signal: options.signal,
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});
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if (!response.ok) {
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throw new Error(`outlook: ${await getResponseErrorText(response)}`);
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}
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const payload = await response.json();
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return Array.isArray(payload?.value) ? payload.value : [];
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}
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function normalizeRecipientAddress(rawValue) {
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if (!rawValue) return '';
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if (typeof rawValue === 'string') {
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return rawValue.trim();
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}
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if (typeof rawValue === 'object') {
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const emailAddress = rawValue.EmailAddress || rawValue.emailAddress || {};
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return String(
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emailAddress.Address
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|| emailAddress.address
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|| rawValue.Address
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|| rawValue.address
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|| rawValue.email
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|| ''
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).trim();
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}
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return '';
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}
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function normalizeRecipientList(rawValue) {
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const source = Array.isArray(rawValue)
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? rawValue
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: (rawValue ? [rawValue] : []);
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const results = [];
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const seen = new Set();
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for (const item of source) {
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const address = normalizeRecipientAddress(item);
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const key = address.toLowerCase();
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if (!key || seen.has(key)) {
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continue;
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}
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seen.add(key);
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results.push(address);
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}
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return results;
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}
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function normalizeMessage(message, mailbox = 'INBOX') {
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const sender = message?.From || message?.from || {};
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const emailAddress = sender?.EmailAddress || sender?.emailAddress || {};
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const recipients = {
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to: normalizeRecipientList(message?.ToRecipients || message?.toRecipients || message?.to),
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cc: normalizeRecipientList(message?.CcRecipients || message?.ccRecipients || message?.cc),
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bcc: normalizeRecipientList(message?.BccRecipients || message?.bccRecipients || message?.bcc),
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};
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recipients.all = [...new Set([...recipients.to, ...recipients.cc, ...recipients.bcc])];
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return {
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mailbox: normalizeMailboxLabel(mailbox || message?.mailbox),
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from: {
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emailAddress: {
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address: String(emailAddress?.Address || emailAddress?.address || '').trim(),
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name: String(emailAddress?.Name || emailAddress?.name || '').trim(),
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},
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},
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subject: String(message?.Subject || message?.subject || '').trim(),
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receivedDateTime: String(message?.ReceivedDateTime || message?.receivedDateTime || '').trim(),
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bodyPreview: String(message?.BodyPreview || message?.bodyPreview || '').trim(),
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body: {
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content: String(message?.Body?.Content || message?.body?.content || '').trim(),
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},
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recipients,
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id: String(message?.Id || message?.id || message?.internetMessageId || '').trim(),
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};
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}
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function normalizeFilterValue(value) {
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return String(value || '').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 extractVerificationCode(text, options = {}) {
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const source = String(text || '');
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const matchedByRule = extractCodeByRulePatterns(source, options?.codePatterns);
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if (matchedByRule) return matchedByRule;
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const matchCn = source.match(/(?:代码为|验证码[^0-9]*?)[\s：:]*(\d{6})/i);
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if (matchCn) return matchCn[1];
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const matchLoginCode = source.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 = source.match(/code(?:\s+is|[\s:])+(\d{6})/i);
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if (matchEn) return matchEn[1];
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const matchStandalone = source.match(CODE_PATTERN);
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return matchStandalone?.[1] || '';
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}
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function getMessageSender(message) {
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return String(
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message?.from?.emailAddress?.address
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|| message?.sender?.emailAddress?.address
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|| ''
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).trim();
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}
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function getMessageTimestamp(message) {
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const value = Date.parse(message?.receivedDateTime || message?.createdDateTime || '');
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return Number.isFinite(value) ? value : 0;
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}
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function getMessageSearchText(message) {
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return [
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message?.subject,
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message?.bodyPreview,
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message?.body?.content,
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getMessageSender(message),
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]
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.map((value) => String(value || ''))
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.join('\n');
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}
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function extractVerificationCodeFromMessages(messages, options = {}) {
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const filterAfterTimestamp = Number(options.filterAfterTimestamp || 0) || 0;
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const senderFilters = (options.senderFilters || []).map(normalizeFilterValue).filter(Boolean);
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const subjectFilters = (options.subjectFilters || []).map(normalizeFilterValue).filter(Boolean);
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const requiredKeywords = (options.requiredKeywords || []).map(normalizeFilterValue).filter(Boolean);
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const excludedCodes = new Set((options.excludeCodes || []).map((value) => String(value || '').trim()).filter(Boolean));
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const hasExplicitFilters = senderFilters.length > 0 || subjectFilters.length > 0 || requiredKeywords.length > 0;
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const sortedMessages = (Array.isArray(messages) ? messages : [])
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.map((raw) => normalizeMessage(raw, raw?.mailbox))
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.sort((left, right) => getMessageTimestamp(right) - getMessageTimestamp(left));
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for (const message of sortedMessages) {
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const receivedAt = getMessageTimestamp(message);
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if (receivedAt && receivedAt < filterAfterTimestamp) {
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continue;
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}
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const sender = normalizeFilterValue(getMessageSender(message));
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const subject = normalizeFilterValue(message?.subject);
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const preview = normalizeFilterValue(message?.bodyPreview);
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const searchText = normalizeFilterValue(getMessageSearchText(message));
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const code = extractVerificationCode(getMessageSearchText(message), {
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codePatterns: options.codePatterns,
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});
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if (!code || excludedCodes.has(code)) {
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continue;
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}
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const senderMatched = senderFilters.length === 0
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? false
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: senderFilters.some((filter) => sender.includes(filter) || preview.includes(filter) || searchText.includes(filter));
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const subjectMatched = subjectFilters.length === 0
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? false
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: subjectFilters.some((filter) => subject.includes(filter) || preview.includes(filter) || searchText.includes(filter));
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const keywordMatched = requiredKeywords.length === 0
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? false
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: requiredKeywords.some((filter) => preview.includes(filter) || searchText.includes(filter));
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if (hasExplicitFilters && !senderMatched && !subjectMatched && !keywordMatched) {
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continue;
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}
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return {
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code,
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emailTimestamp: receivedAt || Date.now(),
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messageId: message?.id || null,
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sender: getMessageSender(message),
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subject: String(message?.subject || ''),
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mailbox: message?.mailbox || 'INBOX',
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message,
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};
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}
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return null;
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}
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async function fetchMicrosoftMailboxMessages(options = {}) {
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const {
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clientId,
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refreshToken,
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mailbox = 'INBOX',
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top = 5,
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fetchImpl,
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signal,
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log = null,
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} = options;
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if (!refreshToken) {
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throw new Error('Microsoft refresh token is empty.');
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}
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if (!clientId) {
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throw new Error('Microsoft client_id is empty.');
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}
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const errors = [];
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for (const plan of TRANSPORT_PLANS) {
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for (const strategyName of plan.strategyNames) {
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try {
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const tokenData = await exchangeRefreshToken(clientId, refreshToken, {
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fetchImpl,
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signal,
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strategyName,
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});
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const rawMessages = plan.transport === 'graph'
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? await fetchGraphMessages(tokenData.access_token, { mailbox, top, fetchImpl, signal })
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: await fetchOutlookMessages(tokenData.access_token, { mailbox, top, fetchImpl, signal });
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return {
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tokenData,
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nextRefreshToken: String(tokenData?.refresh_token || '').trim(),
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tokenStrategy: strategyName,
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transport: plan.transport,
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mailbox: normalizeMailboxLabel(mailbox),
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messages: rawMessages.map((message) => normalizeMessage(message, mailbox)),
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};
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} catch (error) {
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const message = error?.message || String(error);
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errors.push(`${plan.transport}/${strategyName}: ${message}`);
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if (typeof log === 'function') {
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log(`mailbox=${normalizeMailboxLabel(mailbox)} ${plan.transport}/${strategyName} failed: ${message}`);
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}
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}
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}
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}
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throw new Error(`Microsoft mailbox request failed: ${errors.join(' | ')}`);
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}
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function delay(timeoutMs, signal) {
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if (timeoutMs <= 0) {
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return Promise.resolve();
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}
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return new Promise((resolve, reject) => {
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const timer = setTimeout(() => {
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cleanup();
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resolve();
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}, timeoutMs);
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const onAbort = () => {
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cleanup();
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reject(signal.reason || new Error('Aborted'));
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};
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const cleanup = () => {
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clearTimeout(timer);
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signal?.removeEventListener('abort', onAbort);
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};
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if (signal?.aborted) {
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cleanup();
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reject(signal.reason || new Error('Aborted'));
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return;
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}
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signal?.addEventListener('abort', onAbort, { once: true });
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});
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}
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async function fetchMicrosoftVerificationCode(options = {}) {
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const {
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token,
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refreshToken,
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clientId,
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maxRetries = 3,
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retryDelayMs = 10000,
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top = 5,
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log = null,
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filterAfterTimestamp = 0,
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senderFilters = [],
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subjectFilters = [],
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excludeCodes = [],
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mailboxes = ['INBOX'],
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fetchImpl,
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signal,
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} = options;
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let workingRefreshToken = String(refreshToken || token || '').trim();
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if (!workingRefreshToken) {
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throw new Error('Microsoft refresh token is empty.');
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}
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if (!clientId) {
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throw new Error('Microsoft client_id is empty.');
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}
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const normalizedMailboxes = normalizeMailboxList(mailboxes);
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let lastError = null;
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for (let attempt = 1; attempt <= maxRetries; attempt += 1) {
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try {
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const collectedMessages = [];
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for (const mailbox of normalizedMailboxes) {
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const result = await fetchMicrosoftMailboxMessages({
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clientId,
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refreshToken: workingRefreshToken,
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mailbox,
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top,
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fetchImpl,
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signal,
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log,
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});
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if (result.nextRefreshToken) {
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workingRefreshToken = result.nextRefreshToken;
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}
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collectedMessages.push(...result.messages);
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}
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const match = extractVerificationCodeFromMessages(collectedMessages, {
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filterAfterTimestamp,
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senderFilters,
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subjectFilters,
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requiredKeywords: options.requiredKeywords,
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codePatterns: options.codePatterns,
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excludeCodes,
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});
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if (match) {
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return {
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...match,
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nextRefreshToken: workingRefreshToken,
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messages: collectedMessages,
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};
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}
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lastError = new Error('No matching Microsoft verification email found.');
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} catch (error) {
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lastError = error;
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}
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if (attempt < maxRetries) {
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if (typeof log === 'function') {
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log(`attempt ${attempt}/${maxRetries} found no matching Microsoft mail, retrying...`);
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}
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await delay(retryDelayMs, signal);
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}
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}
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throw lastError || new Error('No matching Microsoft verification email found.');
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}
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const api = {
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CODE_PATTERN,
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exchangeRefreshToken,
|
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extractVerificationCodeFromMessages,
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fetchGraphMessages,
|
||
fetchMicrosoftMailboxMessages,
|
||
fetchMicrosoftVerificationCode,
|
||
fetchOutlookMessages,
|
||
getMessageSender,
|
||
getMessageTimestamp,
|
||
normalizeMailboxId,
|
||
normalizeMailboxLabel,
|
||
normalizeMessage,
|
||
};
|
||
|
||
globalScope.MultiPageMicrosoftEmail = api;
|
||
|
||
if (typeof module !== 'undefined' && module.exports) {
|
||
module.exports = api;
|
||
}
|
||
})(typeof globalThis !== 'undefined' ? globalThis : this);
|