Release v2.11.1

2026-09-04 15:43:55 +01:00
parent 2c150b5b2e
commit 98f969ca0f
104 changed files with 3559 additions and 447 deletions
@@ -0,0 +1,46 @@
+const DEFAULT_ACCOUNT_EMAIL_TEMPLATES = {
+  verificationSubject: 'Verify your Pulse Signage email address',
+  verificationBody: 'Hello [[display_name]]!\n\nConfirm this email address:\n\n[[action_button]]\n\nThis link expires in 30 minutes.',
+  resetSubject: 'Reset your Pulse Signage password',
+  resetBody: 'Hello [[display_name]]!\n\nUse this link to choose a new password:\n\n[[action_button]]\n\nThis link expires in 30 minutes.'
+};
+
+function renderAccountEmailTemplate(subject, body, variables) {
+  const values = variables || {};
+  const replaceVariables = function (value) {
+    return String(value || '').replace(/\[\[([a-z_]+)\]\]/g, function (_match, key) {
+      return Object.prototype.hasOwnProperty.call(values, key) ? String(values[key]) : _match;
+    });
+  };
+  const renderedSubject = replaceVariables(subject);
+  const renderedText = replaceVariables(body);
+  const plainText = renderedText.replace(/\[(?:b|i|u)\]([\s\S]*?)\[\/(?:b|i|u)\]/gi, '$1');
+  const escapedBody = renderedText.replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;').replace(/"/g, '&quot;').replace(/\[b\]([\s\S]*?)\[\/b\]/gi, '<strong>$1</strong>').replace(/\[i\]([\s\S]*?)\[\/i\]/gi, '<em>$1</em>').replace(/\[u\]([\s\S]*?)\[\/u\]/gi, '<u>$1</u>');
+  const actionLabel = String(values.action_label || 'Continue').replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;').replace(/"/g, '&quot;');
+  const actionUrl = values.url ? String(values.url).replace(/&/g, '&amp;').replace(/"/g, '&quot;') : '';
+  const actionAlignment = values.action_alignment === 'left' || values.action_alignment === 'right' ? values.action_alignment : 'center';
+  const actionButton = actionUrl ? '<a href="' + actionUrl + '" style="display:inline-block;background:#111827;color:#ffffff;padding:12px 22px;text-decoration:none;border-radius:4px;font-weight:600;">' + actionLabel + '</a>' : '';
+  const actionBlock = actionButton ? '<div style="margin:24px 0;text-align:' + actionAlignment + ';">' + actionButton + '</div>' : '';
+  const plainLink = actionUrl ? '<a href="' + actionUrl + '">' + actionUrl + '</a>' : '';
+  const hasButtonPlaceholder = escapedBody.indexOf('[[action_button]]') !== -1;
+  const hasUrlPlaceholder = String(body || '').indexOf('[[url]]') !== -1;
+  const bodyWithAction = hasButtonPlaceholder
+    ? escapedBody.replace(/\[\[action_button\]\]/g, actionBlock)
+    : hasUrlPlaceholder
+      ? escapedBody.split(actionUrl).join(actionBlock + plainLink)
+      : escapedBody.replace(/\[\[action_link\]\]/g, plainLink).replace(actionUrl, plainLink);
+  const bodyHtml = bodyWithAction.split(/\r?\n(?:[ \t]*\r?\n)+/).map(function (paragraph) {
+    const paragraphHtml = paragraph.replace(/\r?\n/g, '<br>');
+    if (paragraphHtml.indexOf(actionBlock) !== -1 && actionBlock) {
+      return paragraphHtml.split(actionBlock).map(function (part, index, parts) {
+        const text = part ? '<p style="margin:0 0 16px;">' + part + '</p>' : '';
+        return text + (index < parts.length - 1 ? actionBlock : '');
+      }).join('');
+    }
+    return paragraphHtml ? '<p style="margin:0 0 16px;">' + paragraphHtml + '</p>' : '';
+  }).join('');
+  const html = '<!doctype html><html><body style="margin:0;background:#f4f4f5;font-family:Arial,sans-serif;color:#27364b;"><div style="padding:24px 12px;"><div style="max-width:560px;margin:0 auto;text-align:center;color:#111827;font-size:20px;font-weight:700;padding:0 0 16px;">Pulse Signage</div><div style="max-width:560px;margin:0 auto;background:#ffffff;padding:32px;border-radius:4px;text-align:left;">' + bodyHtml + '</div></div></body></html>';
+  return { subject: renderedSubject, text: plainText, html: html };
+}
+
+module.exports = { DEFAULT_ACCOUNT_EMAIL_TEMPLATES, renderAccountEmailTemplate };
@@ -13,6 +13,7 @@ const TOKEN_URL_MAX_LENGTH = 1024;
 const TOKEN_RESPONSE_PATH_MAX_LENGTH = 255;
 const TOKEN_HEADER_PREFIX_MAX_LENGTH = 64;
 const tokenCache = new Map();
+const tokenRequests = new Map();

 function normalizeUpdateIntervalUnit(value) {
  const unit = String(value || '').trim().toLowerCase();
@@ -59,7 +60,7 @@ function buildAuthHeaders(source) {

 async function fetchApiSourcesData(pool) {
  const [apiSources] = await pool.query(
-    'SELECT id, name, api_url, request_method, request_body_json, auth_method, auth_username, auth_password, auth_bearer_token, auth_header_name, auth_header_value, token_url, token_request_body_json, token_response_path, token_header_name, token_header_prefix, items_path, enabled, update_interval_value, update_interval_unit, last_pulled_at, last_pull_error, last_response_status, last_response_content_type, last_response_json, created_at, modified_at, created_by, modified_by FROM i_api_sources ORDER BY modified_at DESC, id DESC'
+    'SELECT id, name, api_url, request_method, request_body_json, auth_method, auth_username, auth_password, auth_bearer_token, auth_header_name, auth_header_value, token_url, token_request_body_json, token_response_path, token_refresh_url, token_refresh_request_body_json, token_refresh_response_path, token_header_name, token_header_prefix, items_path, enabled, update_interval_value, update_interval_unit, last_pulled_at, last_pull_error, last_response_status, last_response_content_type, last_response_json, created_at, modified_at, created_by, modified_by FROM i_api_sources ORDER BY modified_at DESC, id DESC'
  );

  return { apiSources: apiSources };
@@ -67,7 +68,7 @@ async function fetchApiSourcesData(pool) {

 async function fetchApiSourcesPage(pool, page, pageSize, searchTerm, sortKey, sortDirection) {
  const paged = await fetchPagedRows(pool, {
-    selectSql: 'SELECT id, name, api_url, request_method, request_body_json, auth_method, auth_username, auth_password, auth_bearer_token, auth_header_name, auth_header_value, token_url, token_request_body_json, token_response_path, token_header_name, token_header_prefix, items_path, enabled, update_interval_value, update_interval_unit, last_pulled_at, last_pull_error, last_response_status, last_response_content_type, last_response_json, created_at, modified_at, created_by, modified_by FROM i_api_sources ORDER BY modified_at DESC, id DESC',
+    selectSql: 'SELECT id, name, api_url, request_method, request_body_json, auth_method, auth_username, auth_password, auth_bearer_token, auth_header_name, auth_header_value, token_url, token_request_body_json, token_response_path, token_refresh_url, token_refresh_request_body_json, token_refresh_response_path, token_header_name, token_header_prefix, items_path, enabled, update_interval_value, update_interval_unit, last_pulled_at, last_pull_error, last_response_status, last_response_content_type, last_response_json, created_at, modified_at, created_by, modified_by FROM i_api_sources ORDER BY modified_at DESC, id DESC',
    countSql: 'SELECT COUNT(*) AS count FROM i_api_sources',
    searchColumns: ['name', 'api_url', 'last_pull_error'],
    searchTerm: searchTerm,
@@ -91,7 +92,7 @@ async function fetchApiSourcesPage(pool, page, pageSize, searchTerm, sortKey, so

 async function fetchApiSourceById(pool, id) {
  const [rows] = await pool.query(
-    'SELECT id, name, api_url, request_method, request_body_json, auth_method, auth_username, auth_password, auth_bearer_token, auth_header_name, auth_header_value, token_url, token_request_body_json, token_response_path, token_header_name, token_header_prefix, items_path, enabled, update_interval_value, update_interval_unit, last_pulled_at, last_pull_error, last_response_status, last_response_content_type, last_response_json, created_at, modified_at, created_by, modified_by FROM i_api_sources WHERE id = ?',
+    'SELECT id, name, api_url, request_method, request_body_json, auth_method, auth_username, auth_password, auth_bearer_token, auth_header_name, auth_header_value, token_url, token_request_body_json, token_response_path, token_refresh_url, token_refresh_request_body_json, token_refresh_response_path, token_header_name, token_header_prefix, items_path, enabled, update_interval_value, update_interval_unit, last_pulled_at, last_pull_error, last_response_status, last_response_content_type, last_response_json, created_at, modified_at, created_by, modified_by FROM i_api_sources WHERE id = ?',
    [id]
  );

@@ -184,6 +185,9 @@ function getTokenCacheKey(source) {
    source && (source.token_url || source.tokenUrl) || '',
    source && (source.token_request_body_json || source.tokenRequestBodyJson) || '',
    source && (source.token_response_path || source.tokenResponsePath) || 'access_token',
+    source && (source.token_refresh_url || source.tokenRefreshUrl) || '',
+    source && (source.token_refresh_request_body_json || source.tokenRefreshRequestBodyJson) || '',
+    source && (source.token_refresh_response_path || source.tokenRefreshResponsePath) || 'refresh_token',
    source && (source.token_header_name || source.tokenHeaderName) || 'Authorization',
    source && (source.token_header_prefix || source.tokenHeaderPrefix) || 'Bearer'
  ]);
@@ -193,11 +197,118 @@ function clearCachedToken(source) {
  tokenCache.delete(getTokenCacheKey(source));
 }

-async function fetchLoginToken(source) {
+function replaceRefreshToken(value, refreshToken) {
+  if (typeof value === 'string') {
+    return value.split('{{refresh_token}}').join(refreshToken);
+  }
+  if (Array.isArray(value)) {
+    return value.map(function (item) {
+      return replaceRefreshToken(item, refreshToken);
+    });
+  }
+  if (value && typeof value === 'object') {
+    return Object.keys(value).reduce(function (result, key) {
+      result[key] = replaceRefreshToken(value[key], refreshToken);
+      return result;
+    }, {});
+  }
+  return value;
+}
+
+function resolveTokenExpiry(parsed, token) {
+  const expiresIn = Number(parsed && (parsed.expires_in || parsed.expiresIn));
+  if (Number.isFinite(expiresIn) && expiresIn > 0) {
+    return { lifetimeMs: expiresIn * 1000 };
+  }
+
+  const explicitExpiry = parsed && (parsed.expires_at || parsed.expiresAt);
+  if (explicitExpiry !== undefined && explicitExpiry !== null) {
+    const expiryNumber = Number(explicitExpiry);
+    const expiryMs = Number.isFinite(expiryNumber)
+      ? (expiryNumber < 100000000000 ? expiryNumber * 1000 : expiryNumber)
+      : Date.parse(String(explicitExpiry));
+    if (Number.isFinite(expiryMs) && expiryMs > Date.now()) {
+      return { expiresAt: expiryMs };
+    }
+  }
+
+  const tokenParts = String(token).split('.');
+  if (tokenParts.length === 3) {
+    try {
+      const payload = JSON.parse(Buffer.from(tokenParts[1], 'base64url').toString('utf8'));
+      const expiryMs = Number(payload.exp) * 1000;
+      if (Number.isFinite(expiryMs) && expiryMs > Date.now()) {
+        return { expiresAt: expiryMs };
+      }
+    } catch (_error) {
+      // Opaque tokens do not contain a readable JWT expiry.
+    }
+  }
+
+  return { lifetimeMs: 300000 };
+}
+
+function cacheTokenResponse(source, parsed, previousRefreshToken) {
+  const tokenPath = source.token_response_path || source.tokenResponsePath || 'access_token';
+  const token = resolveResponsePath(parsed, tokenPath);
+  if (token === undefined || token === null || String(token).trim() === '') {
+    throw new Error('Token response did not contain a token at the configured path.');
+  }
+
+  const refreshPath = source.token_refresh_response_path || source.tokenRefreshResponsePath || 'refresh_token';
+  const responseRefreshToken = resolveResponsePath(parsed, refreshPath);
+  const refreshToken = responseRefreshToken === undefined || responseRefreshToken === null || String(responseRefreshToken).trim() === ''
+    ? previousRefreshToken
+    : String(responseRefreshToken);
+  const expiry = resolveTokenExpiry(parsed, token);
+  const expiresAt = expiry.expiresAt || Date.now() + Math.max(1000, expiry.lifetimeMs - Math.min(60000, expiry.lifetimeMs * 0.1));
+  const record = { value: String(token), refreshToken: refreshToken, expiresAt: expiresAt };
+  tokenCache.set(getTokenCacheKey(source), record);
+  return record;
+}
+
+async function parseTokenResponse(response, source, previousRefreshToken) {
+  if (!response.ok) {
+    return null;
+  }
+  let parsed;
+  try {
+    parsed = JSON.parse(String(response.bodyText || '').trim());
+  } catch (_error) {
+    throw new Error('Token response was not valid JSON.');
+  }
+  return cacheTokenResponse(source, parsed, previousRefreshToken);
+}
+
+async function refreshLoginToken(source, cached) {
+  const refreshUrl = source.token_refresh_url || source.tokenRefreshUrl || source.token_url || source.tokenUrl;
+  if (!cached || !cached.refreshToken) {
+    return null;
+  }
+  const configuredBody = parseJsonRequestBody(source.token_refresh_request_body_json || source.tokenRefreshRequestBodyJson, 'Refresh request body');
+  const refreshBody = configuredBody === undefined
+    ? { grant_type: 'refresh_token', refresh_token: cached.refreshToken }
+    : replaceRefreshToken(configuredBody, cached.refreshToken);
+  const response = await loadUrlText(refreshUrl, {
+    method: 'POST',
+    headers: { 'Content-Type': 'application/json' },
+    body: JSON.stringify(refreshBody)
+  });
+  return parseTokenResponse(response, source, cached.refreshToken);
+}
+
+async function fetchLoginTokenUncached(source) {
  const cacheKey = getTokenCacheKey(source);
  const cached = tokenCache.get(cacheKey);
  if (cached && cached.expiresAt > Date.now()) {
-    return cached.value;
+    return cached;
+  }
+
+  if (cached && cached.refreshToken) {
+    const refreshed = await refreshLoginToken(source, cached);
+    if (refreshed) {
+      return refreshed;
+    }
  }

  const tokenUrl = source.token_url || source.tokenUrl;
@@ -208,29 +319,25 @@ async function fetchLoginToken(source) {
    headers: tokenHeaders,
    body: tokenBody === undefined ? undefined : JSON.stringify(tokenBody)
  });
-  if (!response.ok) {
+  const record = await parseTokenResponse(response, source, cached && cached.refreshToken);
+  if (!record) {
    throw new Error(`Unable to obtain API token (${response.statusCode}).`);
  }
+  return record;
+}

-  let parsed;
-  try {
-    parsed = JSON.parse(String(response.bodyText || '').trim());
-  } catch (_error) {
-    throw new Error('Token response was not valid JSON.');
+async function fetchLoginToken(source) {
+  const cacheKey = getTokenCacheKey(source);
+  const cached = tokenCache.get(cacheKey);
+  if (cached && cached.expiresAt > Date.now()) {
+    return cached.value;
  }
-
-  const tokenPath = source.token_response_path || source.tokenResponsePath || 'access_token';
-  const token = resolveResponsePath(parsed, tokenPath);
-  if (token === undefined || token === null || String(token).trim() === '') {
-    throw new Error('Token response did not contain a token at the configured path.');
+  if (!tokenRequests.has(cacheKey)) {
+    tokenRequests.set(cacheKey, fetchLoginTokenUncached(source).finally(function () {
+      tokenRequests.delete(cacheKey);
+    }));
  }
-
-  const expiresIn = Number(parsed && (parsed.expires_in || parsed.expiresIn));
-  const lifetimeMs = Number.isFinite(expiresIn) && expiresIn > 0
-    ? Math.max(30000, expiresIn * 1000 - 60000)
-    : 300000;
-  tokenCache.set(cacheKey, { value: String(token), expiresAt: Date.now() + lifetimeMs });
-  return String(token);
+  return (await tokenRequests.get(cacheKey)).value;
 }

 async function buildRequestHeaders(source) {
@@ -310,6 +417,9 @@ function buildApiSourcePayload(req, existingApiSource) {
  const tokenUrl = validateMaxLength(readBodyValue('token_url', readBodyValue('tokenUrl', fallback.token_url || '')) || '', TOKEN_URL_MAX_LENGTH, 'API token URL');
  const tokenRequestBodyJson = validateMaxLength(readBodyValue('token_request_body_json', readBodyValue('tokenRequestBodyJson', fallback.token_request_body_json || '')) || '', REQUEST_BODY_MAX_LENGTH, 'Login request body');
  const tokenResponsePath = validateMaxLength(readBodyValue('token_response_path', readBodyValue('tokenResponsePath', fallback.token_response_path || 'access_token')) || 'access_token', TOKEN_RESPONSE_PATH_MAX_LENGTH, 'Token response path');
+  const tokenRefreshUrl = validateMaxLength(readBodyValue('token_refresh_url', readBodyValue('tokenRefreshUrl', fallback.token_refresh_url || '')) || '', TOKEN_URL_MAX_LENGTH, 'API refresh URL');
+  const tokenRefreshRequestBodyJson = validateMaxLength(readBodyValue('token_refresh_request_body_json', readBodyValue('tokenRefreshRequestBodyJson', fallback.token_refresh_request_body_json || '')) || '', REQUEST_BODY_MAX_LENGTH, 'Refresh request body');
+  const tokenRefreshResponsePath = validateMaxLength(readBodyValue('token_refresh_response_path', readBodyValue('tokenRefreshResponsePath', fallback.token_refresh_response_path || 'refresh_token')) || 'refresh_token', TOKEN_RESPONSE_PATH_MAX_LENGTH, 'Refresh token response path');
  const tokenHeaderName = validateMaxLength(readBodyValue('token_header_name', readBodyValue('tokenHeaderName', fallback.token_header_name || 'Authorization')) || 'Authorization', AUTH_MAX_LENGTH, 'Token header name');
  const tokenHeaderPrefix = validateMaxLength(readBodyValue('token_header_prefix', readBodyValue('tokenHeaderPrefix', fallback.token_header_prefix || 'Bearer')) || '', TOKEN_HEADER_PREFIX_MAX_LENGTH, 'Token prefix');
  const itemsPath = validateMaxLength(readBodyValue('items_path', readBodyValue('itemsPath', fallback.items_path || '')) || '', ITEMS_PATH_MAX_LENGTH, 'API source items path');
@@ -369,6 +479,7 @@ function buildApiSourcePayload(req, existingApiSource) {

  parseJsonRequestBody(requestBodyJson, 'API request body');
  parseJsonRequestBody(tokenRequestBodyJson, 'Login request body');
+  parseJsonRequestBody(tokenRefreshRequestBodyJson, 'Refresh request body');

  if (authMethod === 'token_login') {
    if (!tokenUrl) {
@@ -393,6 +504,19 @@ function buildApiSourcePayload(req, existingApiSource) {
    }
  }

+  if (tokenRefreshUrl) {
+    try {
+      const refreshParsedUrl = new URL(tokenRefreshUrl);
+      if (refreshParsedUrl.protocol !== 'http:' && refreshParsedUrl.protocol !== 'https:') {
+        throw new Error('invalid protocol');
+      }
+    } catch (_error) {
+      const error = new Error('Enter a valid API refresh URL.');
+      error.statusCode = 400;
+      throw error;
+    }
+  }
+
  return {
    name: name,
    apiUrl: parsedUrl.toString(),
@@ -407,6 +531,9 @@ function buildApiSourcePayload(req, existingApiSource) {
    tokenUrl: tokenUrl,
    tokenRequestBodyJson: tokenRequestBodyJson,
    tokenResponsePath: tokenResponsePath,
+    tokenRefreshUrl: tokenRefreshUrl,
+    tokenRefreshRequestBodyJson: tokenRefreshRequestBodyJson,
+    tokenRefreshResponsePath: tokenRefreshResponsePath,
    tokenHeaderName: tokenHeaderName,
    tokenHeaderPrefix: tokenHeaderPrefix,
    itemsPath: itemsPath,
@@ -21,8 +21,30 @@ const SETTING_DEFINITIONS = [
  { key: 'security.login_max_attempts', type: 'integer', min: 1, defaultValue: 5 },
  { key: 'security.login_lockout_minutes', type: 'integer', min: 1, defaultValue: 15 },
  { key: 'security.login_rate_limit_scope', type: 'enum', values: ['both', 'username', 'ip'], defaultValue: 'both' },
+  { key: 'security.allow_admin_email_verification_bypass', type: 'boolean', defaultValue: true },
+  { key: 'email.smtp_enabled', type: 'boolean', defaultValue: false },
+  { key: 'email.smtp_host', type: 'string', defaultValue: '' },
+  { key: 'email.smtp_port', type: 'integer', min: 1, defaultValue: 587 },
+  { key: 'email.smtp_security', type: 'enum', values: ['none', 'starttls', 'tls'], defaultValue: 'starttls' },
+  { key: 'email.smtp_username', type: 'string', defaultValue: '' },
+  { key: 'email.smtp_password', type: 'string', defaultValue: '' },
+  { key: 'email.from_address', type: 'string', defaultValue: '' },
+  { key: 'email.from_name', type: 'string', defaultValue: 'Pulse Signage' },
+  { key: 'email.verification_subject', type: 'string', defaultValue: 'Verify your Pulse Signage email address' },
+  { key: 'email.verification_body', type: 'string', defaultValue: 'Hello [[display_name]]!\n\nConfirm this email address:\n\n[[action_button]]\n\nThis link expires in 30 minutes.' },
+  { key: 'email.reset_subject', type: 'string', defaultValue: 'Reset your Pulse Signage password' },
+  { key: 'email.reset_body', type: 'string', defaultValue: 'Hello [[display_name]]!\n\nUse this link to choose a new password:\n\n[[action_button]]\n\nThis link expires in 30 minutes.' },
+  { key: 'email.verification_button_alignment', type: 'enum', values: ['left', 'center', 'right'], defaultValue: 'center' },
+  { key: 'email.verification_button_text', type: 'string', defaultValue: 'Verify email address' },
+  { key: 'email.reset_button_alignment', type: 'enum', values: ['left', 'center', 'right'], defaultValue: 'center' },
+  { key: 'email.reset_button_text', type: 'string', defaultValue: 'Reset password' },
+  { key: 'email.invitation_subject', type: 'string', defaultValue: 'You have been invited to Pulse Signage' },
+  { key: 'email.invitation_body', type: 'string', defaultValue: 'Hello [[display_name]]!\n\nYou have been invited to create a Pulse Signage account.\n\n[[action_button]]\n\nThis invitation expires in 24 hours.' },
+  { key: 'email.invitation_button_alignment', type: 'enum', values: ['left', 'center', 'right'], defaultValue: 'center' },
+  { key: 'email.invitation_button_text', type: 'string', defaultValue: 'Accept invitation' },
  { key: 'audit.enabled', type: 'boolean', defaultValue: true },
  { key: 'audit.categories', type: 'string_array', defaultValue: ['authentication', 'security', 'sessions', 'users', 'roles', 'system-settings'] },
+  { key: 'audit.screen_control_commands', type: 'string_array', defaultValue: [] },
  { key: 'audit.include_request_metadata', type: 'boolean', defaultValue: true },
  { key: 'audit.retention_days', type: 'integer', min: 0, defaultValue: 180 },
  { key: 'uploads.image_max_bytes', type: 'integer', min: 1, defaultValue: 100 * 1024 * 1024 },
@@ -15,7 +15,9 @@ const AUDIT_EVENT_CATEGORIES = Object.freeze({
  CANVAS_SIZES: 'canvas-sizes',
  API_SOURCES: 'api-sources',
  RSS_FEEDS: 'rss-feeds',
-  TIMETABLES: 'timetables'
+  TIMETABLES: 'timetables',
+  WEATHER: 'weather',
+  SCREEN_CONTROLS: 'screen-controls'
 });
 const AUDIT_CATEGORY_KEYS = Object.freeze(Object.values(AUDIT_EVENT_CATEGORIES));
 const AUDIT_CATEGORY_LABELS = Object.freeze({
@@ -33,7 +35,18 @@ const AUDIT_CATEGORY_LABELS = Object.freeze({
  'canvas-sizes': 'Canvas Sizes',
  'api-sources': 'API Sources',
  'rss-feeds': 'RSS Feeds',
-  timetables: 'Timetables'
+  timetables: 'Timetables',
+  weather: 'Weather',
+  'screen-controls': 'Screen Controls'
+});
+const SCREEN_CONTROL_COMMAND_KEYS = Object.freeze(['pause', 'blackout', 'reload', 'navigation', 'moveclient', 'setclientname']);
+const SCREEN_CONTROL_COMMAND_LABELS = Object.freeze({
+  pause: 'Pause / Resume',
+  blackout: 'Blackout / Restore',
+  reload: 'Reload',
+  navigation: 'Forward / Back',
+  moveclient: 'Move client',
+  setclientname: 'Rename client'
 });
 const { fetchAppSettings } = require('./app-settings');

@@ -101,6 +114,14 @@ async function recordRequestAuditEvent(pool, req, event) {
    if (!settings['audit.enabled'] || !enabledCategories.includes(category)) {
      return;
    }
+    if (category === 'screen-controls') {
+      const command = String(event && event.eventType || '').replace(/^screen-control\./, '').trim().toLowerCase();
+      const commandGroup = command === 'previous' || command === 'next' ? 'navigation' : command;
+      const enabledCommands = Array.isArray(settings['audit.screen_control_commands']) ? settings['audit.screen_control_commands'] : [];
+      if (!enabledCommands.includes(commandGroup)) {
+        return;
+      }
+    }
    const metadata = settings['audit.include_request_metadata'] ? getRequestMetadata(req) : {};
    await recordAuditEvent(pool, Object.assign({}, event, metadata));
  } catch (error) {
@@ -113,6 +134,8 @@ module.exports = {
  AUDIT_EVENT_CATEGORIES,
  AUDIT_CATEGORY_KEYS,
  AUDIT_CATEGORY_LABELS,
+  SCREEN_CONTROL_COMMAND_KEYS,
+  SCREEN_CONTROL_COMMAND_LABELS,
  getRequestMetadata,
  buildAuditChanges,
  recordAuditEvent,
@@ -0,0 +1,43 @@
+// SMTP delivery for account notifications.
+
+const nodemailer = require('nodemailer');
+
+function getSmtpConfig(settings) {
+  return {
+    enabled: Boolean(settings['email.smtp_enabled']),
+    host: String(settings['email.smtp_host'] || '').trim(),
+    port: Number(settings['email.smtp_port']) || 587,
+    security: String(settings['email.smtp_security'] || 'starttls'),
+    username: String(settings['email.smtp_username'] || '').trim(),
+    password: String(settings['email.smtp_password'] || ''),
+    fromAddress: String(settings['email.from_address'] || '').trim(),
+    fromName: String(settings['email.from_name'] || '').trim()
+  };
+}
+
+function createMailTransport(settings) {
+  const config = getSmtpConfig(settings);
+  if (!config.enabled || !config.host || !config.fromAddress) {
+    return null;
+  }
+  return nodemailer.createTransport({
+    host: config.host,
+    port: config.port,
+    secure: config.security === 'tls',
+    requireTLS: config.security === 'starttls',
+    auth: config.username ? { user: config.username, pass: config.password } : undefined
+  });
+}
+
+async function sendAccountEmail(settings, message) {
+  const transport = createMailTransport(settings);
+  if (!transport) {
+    throw new Error('Email delivery is not configured.');
+  }
+  const config = getSmtpConfig(settings);
+  return transport.sendMail(Object.assign({}, message, {
+    from: config.fromName ? '"' + config.fromName.replace(/"/g, '') + '" <' + config.fromAddress + '>' : config.fromAddress,
+  }));
+}
+
+module.exports = { getSmtpConfig, createMailTransport, sendAccountEmail };