Sinatra/code/lib/time.js
2024-06-08 11:11:20 +01:00

85 lines
3.2 KiB
JavaScript
Executable File

const rangeStringToArray = (str) => {
// Split the string by hyphen
const parts = str.split ("-");
// Validate input format (two numbers separated by hyphen)
if (parts.length !== 2 || isNaN (parts[0]) || isNaN (parts[1])) {
return null; // Return null for invalid format
}
// Convert strings to numbers
const start = parseInt (parts[0], 10);
const end = parseInt (parts[1], 10);
// Check if start is less than or equal to end (inclusive range)
if (start > end) {
return null; // Return null for invalid range
}
// Use Array.from() to create an array with sequence
return Array.from ({ length: end - start + 1 }, (_, i) => start + i);
};
const resolveRange = (str) => {
const numberSets = str.split (","); // Split by commas
const numbers = [];
for (const set of numberSets) {
// Check if it's a range
if (set.includes ("-")) {
const range = rangeStringToArray (set); // Use the previous function
if (range) {
numbers.push(...range); // Spread operator to add elements from range array
}
else {
const num = parseInt(set, 10);
// Check if conversion is successful (valid number)
if (!isNaN(num)) {
numbers.push(num);
}
}
}
}
return numbers;
}
module.exports = {
checkAuth: (rules = []) => {
var authorised = false;
if (config.time_rules) {
if (rules.length > 0) {
var now = new Date ();
var minuteOfDay = (now.getHours () * 60) + now.getMinutes (); // 0 - 1439
var day = now.getDay (); // 1 - 7
var date = now.getDate (); // 1 - 31
var month = now.getMonth () + 1; // 1 - 12
var actions = [];
rules.forEach ((rule) => {
var valid = false;
// Process rule
var r = {
startMinute: parseInt (rule.startTime.split (":")[0] * 60) + parseInt (rule.startTime.split (":")[1]),
endMinute: parseInt (rule.endTime.split (":")[0] * 60) + parseInt (rule.endTime.split (":")[1]),
days: resolveRange (rule.weekdays),
dates: resolveRange (rule.dates),
months: resolveRange (rule.months)
}
if (
minuteOfDay >= r.startMinute &&
minuteOfDay <= r.endMinute &&
r.days.indexOf (day) !== -1 &&
r.dates.indexOf (date) !== -1 &&
r.months.indexOf (month) !== -1
) {
actions.push (rule.action.toLowerCase ());
}
});
if (actions.indexOf ("allow") !== -1) {
authorised = true;
}
if (actions.indexOf ("deny") !== -1) {
authorised = false;
}
}
}
else {
authorised = true;
}
return authorised;
}
}