277 lines
8 KiB
TypeScript
277 lines
8 KiB
TypeScript
/*
|
|
* Shared client side code
|
|
*/
|
|
|
|
// Meta functions
|
|
class Sakura {
|
|
public static cookiePrefix: string = ""; // Cookie prefix, gets prepended to cookie names
|
|
public static cookiePath: string = "/"; // Cookie path, can in most cases be left untouched
|
|
|
|
// Get or set a cookie value
|
|
public static cookie(name: string, value: string = null): string {
|
|
// If value is null only get the cookie's value
|
|
if (value) {
|
|
// Delete the old instance
|
|
document.cookie = this.cookiePrefix + name + '=;expires=Thu, 01 Jan 1970 00:00:01 GMT; path=' + this.cookiePath;
|
|
|
|
// Assign the cookie
|
|
document.cookie = this.cookiePrefix + name + '=' + value + '; path=' + this.cookiePath;
|
|
|
|
// Pass the value through
|
|
return value;
|
|
} else {
|
|
// Perform a regex on document.cookie
|
|
var get = new RegExp('(^|; )' + encodeURIComponent(this.cookiePrefix + name) + '=([^;]*)').exec(document.cookie);
|
|
|
|
// If anything was returned return it (professional phrasing)
|
|
return get ? get[2] : '';
|
|
}
|
|
}
|
|
|
|
// Unix timestamp
|
|
public static epoch(): number {
|
|
return Math.floor(Date.now() / 1000);
|
|
}
|
|
|
|
// Toggle a class
|
|
public static toggleClass(element: HTMLElement, name: string): void {
|
|
// Check if the class already exists and if not add it
|
|
if (element.className.indexOf(name) < 0) {
|
|
element.className += ' ' + name;
|
|
} else { // If so remove it and kill additional spaces
|
|
element.className = element.className.replace(name, '').trim();
|
|
}
|
|
}
|
|
|
|
// Remove every element with a specific class name
|
|
public static removeByClass(name: string): void {
|
|
// Get the elements
|
|
var objs = document.getElementsByClassName(name);
|
|
|
|
// Use a while loop to remove each element
|
|
while (objs.length > 0) {
|
|
objs[0].parentNode.removeChild(objs[0]);
|
|
}
|
|
}
|
|
|
|
// Remove a single element with a specific id
|
|
public static removeById(id: string): void {
|
|
// Get the element
|
|
var obj = document.getElementById(id);
|
|
|
|
// If the element exists use the parent node to remove it
|
|
if (typeof (obj) != "undefined" && obj !== null) {
|
|
obj.parentNode.removeChild(obj);
|
|
}
|
|
}
|
|
|
|
// Alternative for Math.log2() since it's still experimental
|
|
public static log2(num: number): number {
|
|
return Math.log(num) / Math.log(2);
|
|
}
|
|
|
|
// Get the number of unique characters in a string
|
|
public static unique(string: string): number {
|
|
// Store the already found character
|
|
var used: string[] = [];
|
|
|
|
// The amount of characters we've already found
|
|
var count: number = 0;
|
|
|
|
// Count the amount of unique characters
|
|
for (var i = 0; i < string.length; i++) {
|
|
// Check if we already counted this character
|
|
if (used.indexOf(string[i]) == -1) {
|
|
// Push the character into the used array
|
|
used.push(string[i]);
|
|
|
|
// Up the count
|
|
count++;
|
|
}
|
|
}
|
|
|
|
// Return the count
|
|
return count;
|
|
}
|
|
|
|
// Calculate password entropy
|
|
public static entropy(string: string): number {
|
|
// Decode utf-8 encoded characters
|
|
string = utf8.decode(string);
|
|
|
|
// Count the unique characters in the string
|
|
var unique: number = this.unique(string);
|
|
|
|
// Do the entropy calculation
|
|
return unique * this.log2(256);
|
|
}
|
|
|
|
// Validate string lengths
|
|
public static stringLength(string: string, minimum: number, maximum: number): boolean {
|
|
// Get length of string
|
|
var length = string.length;
|
|
|
|
// Check if it meets the minimum/maximum
|
|
if (length < minimum || length > maximum) {
|
|
return false;
|
|
}
|
|
|
|
// If it passes both return true
|
|
return true;
|
|
}
|
|
|
|
// Validate email address formats
|
|
public static validateEmail(email: string): boolean {
|
|
// RFC compliant e-mail address regex
|
|
var re = /^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,48})+$/;
|
|
|
|
// Test it on the email var which'll return a boolean
|
|
return re.test(email);
|
|
}
|
|
}
|
|
|
|
// UTF-8 functions
|
|
class utf8 {
|
|
// Encode a utf-8 string
|
|
public static encode(string): string {
|
|
return unescape(encodeURIComponent(string));
|
|
}
|
|
|
|
// Decode a utf-8 string
|
|
public static decode(string): string {
|
|
return decodeURIComponent(escape(string));
|
|
}
|
|
}
|
|
|
|
// HTTP methods
|
|
enum HTTPMethods {
|
|
GET,
|
|
HEAD,
|
|
POST,
|
|
PUT,
|
|
DELETE
|
|
}
|
|
|
|
// AJAX functions
|
|
class AJAX {
|
|
// XMLHTTPRequest container
|
|
private request: XMLHttpRequest;
|
|
private callbacks: Object;
|
|
private headers: Object;
|
|
private url: string;
|
|
private send: string = null;
|
|
|
|
// Prepares the XMLHttpRequest and stuff
|
|
constructor() {
|
|
this.request = new XMLHttpRequest();
|
|
this.callbacks = new Object();
|
|
this.headers = new Object();
|
|
}
|
|
|
|
// Start
|
|
public start(method: HTTPMethods): void {
|
|
// Open the connection
|
|
this.request.open(HTTPMethods[method], this.url, true);
|
|
|
|
// Set headers
|
|
this.prepareHeaders();
|
|
|
|
// Watch the ready state
|
|
this.request.onreadystatechange = () => {
|
|
// Only invoke when complete
|
|
if (this.request.readyState === 4) {
|
|
// Check if a callback if present
|
|
if ((typeof this.callbacks[this.request.status]).toLowerCase() === 'function') {
|
|
this.callbacks[this.request.status]();
|
|
} else { // Else check if there's a generic fallback present
|
|
if ((typeof this.callbacks['0']).toLowerCase() === 'function') {
|
|
// Call that
|
|
this.callbacks['0']();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
this.request.send(this.send);
|
|
}
|
|
|
|
// Stop
|
|
public stop(): void {
|
|
this.request = null;
|
|
}
|
|
|
|
// Add post data
|
|
public setSend(data: Object): void {
|
|
// Storage array
|
|
var store: Array<string> = new Array<string>();
|
|
|
|
// Iterate over the object and them in the array with an equals sign inbetween
|
|
for (var item in data) {
|
|
store.push(encodeURIComponent(item) + "=" + encodeURIComponent(data[item]));
|
|
}
|
|
|
|
// Assign to send
|
|
this.send = store.join('&');
|
|
}
|
|
|
|
// Set raw post
|
|
public setRawSend(data: string) {
|
|
this.send = data;
|
|
}
|
|
|
|
// Get response
|
|
public response(): string {
|
|
return this.request.responseText;
|
|
}
|
|
|
|
// Set charset
|
|
public contentType(type: string, charset: string = null): void {
|
|
this.addHeader('Content-Type', type + ';charset=' + (charset ? charset : 'utf-8'));
|
|
}
|
|
|
|
// Add a header
|
|
public addHeader(name: string, value: string): void {
|
|
// Attempt to remove a previous instance
|
|
this.removeHeader(name);
|
|
|
|
// Add the new header
|
|
this.headers[name] = value;
|
|
}
|
|
|
|
// Remove a header
|
|
public removeHeader(name: string): void {
|
|
if ((typeof this.headers[name]).toLowerCase() !== 'undefined') {
|
|
delete this.headers[name];
|
|
}
|
|
}
|
|
|
|
// Prepare request headers
|
|
public prepareHeaders(): void {
|
|
for (var header in this.headers) {
|
|
this.request.setRequestHeader(header, this.headers[header]);
|
|
}
|
|
}
|
|
|
|
// Adds a callback
|
|
public addCallback(status: number, callback: Function): void {
|
|
// Attempt to remove previous instances
|
|
this.removeCallback(status);
|
|
|
|
// Add the new callback
|
|
this.callbacks[status] = callback;
|
|
}
|
|
|
|
// Delete a callback
|
|
public removeCallback(status: number): void {
|
|
// Delete the callback if present
|
|
if ((typeof this.callbacks[status]).toLowerCase() === 'function') {
|
|
delete this.callbacks[status];
|
|
}
|
|
}
|
|
|
|
// Sets the URL
|
|
public setUrl(url: string): void {
|
|
this.url = url;
|
|
}
|
|
}
|