/** * jquery.mask.js * @version: v1.14.16 * @author: Igor Escobar * * Created by Igor Escobar on 2012-03-10. Please report any bug at github.com/igorescobar/jQuery-Mask-Plugin * * Copyright (c) 2012 Igor Escobar http://igorescobar.com * * The MIT License (http://www.opensource.org/licenses/mit-license.php) * * Permission is hereby granted, free of charge, to any person * obtaining a copy of this software and associated documentation * files (the "Software"), to deal in the Software without * restriction, including without limitation the rights to use, * copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following * conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. */ /* jshint laxbreak: true */ /* jshint maxcomplexity:17 */ /* global define */ // UMD (Universal Module Definition) patterns for JavaScript modules that work everywhere. // https://github.com/umdjs/umd/blob/master/templates/jqueryPlugin.js (function (factory, jQuery, Zepto) { if (typeof define === 'function' && define.amd) { define(['jquery'], factory); } else if (typeof exports === 'object' && typeof Meteor === 'undefined') { module.exports = factory(require('jquery')); } else { factory(jQuery || Zepto); } }(function ($) { 'use strict'; var Mask = function (el, mask, options) { var p = { invalid: [], getCaret: function () { try { var sel, pos = 0, ctrl = el.get(0), dSel = document.selection, cSelStart = ctrl.selectionStart; // IE Support if (dSel && navigator.appVersion.indexOf('MSIE 10') === -1) { sel = dSel.createRange(); sel.moveStart('character', -p.val().length); pos = sel.text.length; } // Firefox support else if (cSelStart || cSelStart === '0') { pos = cSelStart; } return pos; } catch (e) {} }, setCaret: function(pos) { try { if (el.is(':focus')) { var range, ctrl = el.get(0); // Firefox, WebKit, etc.. if (ctrl.setSelectionRange) { ctrl.setSelectionRange(pos, pos); } else { // IE range = ctrl.createTextRange(); range.collapse(true); range.moveEnd('character', pos); range.moveStart('character', pos); range.select(); } } } catch (e) {} }, events: function() { el .on('keydown.mask', function(e) { el.data('mask-keycode', e.keyCode || e.which); el.data('mask-previus-value', el.val()); el.data('mask-previus-caret-pos', p.getCaret()); p.maskDigitPosMapOld = p.maskDigitPosMap; }) .on($.jMaskGlobals.useInput ? 'input.mask' : 'keyup.mask', p.behaviour) .on('paste.mask drop.mask', function() { setTimeout(function() { el.keydown().keyup(); }, 100); }) .on('change.mask', function(){ el.data('changed', true); }) .on('blur.mask', function(){ if (oldValue !== p.val() && !el.data('changed')) { el.trigger('change'); } el.data('changed', false); }) // it's very important that this callback remains in this position // otherwhise oldValue it's going to work buggy .on('blur.mask', function() { oldValue = p.val(); }) // select all text on focus .on('focus.mask', function (e) { if (options.selectOnFocus === true) { $(e.target).select(); } }) // clear the value if it not complete the mask .on('focusout.mask', function() { if (options.clearIfNotMatch && !regexMask.test(p.val())) { p.val(''); } }); }, getRegexMask: function() { var maskChunks = [], translation, pattern, optional, recursive, oRecursive, r; for (var i = 0; i < mask.length; i++) { translation = jMask.translation[mask.charAt(i)]; if (translation) { pattern = translation.pattern.toString().replace(/.{1}$|^.{1}/g, ''); optional = translation.optional; recursive = translation.recursive; if (recursive) { maskChunks.push(mask.charAt(i)); oRecursive = {digit: mask.charAt(i), pattern: pattern}; } else { maskChunks.push(!optional && !recursive ? pattern : (pattern + '?')); } } else { maskChunks.push(mask.charAt(i).replace(/[-\/\\^$*+?.()|[\]{}]/g, '\\$&')); } } r = maskChunks.join(''); if (oRecursive) { r = r.replace(new RegExp('(' + oRecursive.digit + '(.*' + oRecursive.digit + ')?)'), '($1)?') .replace(new RegExp(oRecursive.digit, 'g'), oRecursive.pattern); } return new RegExp(r); }, destroyEvents: function() { el.off(['input', 'keydown', 'keyup', 'paste', 'drop', 'blur', 'focusout', ''].join('.mask ')); }, val: function(v) { var isInput = el.is('input'), method = isInput ? 'val' : 'text', r; if (arguments.length > 0) { if (el[method]() !== v) { el[method](v); } r = el; } else { r = el[method](); } return r; }, calculateCaretPosition: function(oldVal) { var newVal = p.getMasked(), caretPosNew = p.getCaret(); if (oldVal !== newVal) { var caretPosOld = el.data('mask-previus-caret-pos') || 0, newValL = newVal.length, oldValL = oldVal.length, maskDigitsBeforeCaret = 0, maskDigitsAfterCaret = 0, maskDigitsBeforeCaretAll = 0, maskDigitsBeforeCaretAllOld = 0, i = 0; for (i = caretPosNew; i < newValL; i++) { if (!p.maskDigitPosMap[i]) { break; } maskDigitsAfterCaret++; } for (i = caretPosNew - 1; i >= 0; i--) { if (!p.maskDigitPosMap[i]) { break; } maskDigitsBeforeCaret++; } for (i = caretPosNew - 1; i >= 0; i--) { if (p.maskDigitPosMap[i]) { maskDigitsBeforeCaretAll++; } } for (i = caretPosOld - 1; i >= 0; i--) { if (p.maskDigitPosMapOld[i]) { maskDigitsBeforeCaretAllOld++; } } // if the cursor is at the end keep it there if (caretPosNew > oldValL) { caretPosNew = newValL * 10; } else if (caretPosOld >= caretPosNew && caretPosOld !== oldValL) { if (!p.maskDigitPosMapOld[caretPosNew]) { var caretPos = caretPosNew; caretPosNew -= maskDigitsBeforeCaretAllOld - maskDigitsBeforeCaretAll; caretPosNew -= maskDigitsBeforeCaret; if (p.maskDigitPosMap[caretPosNew]) { caretPosNew = caretPos; } } } else if (caretPosNew > caretPosOld) { caretPosNew += maskDigitsBeforeCaretAll - maskDigitsBeforeCaretAllOld; caretPosNew += maskDigitsAfterCaret; } } return caretPosNew; }, behaviour: function(e) { e = e || window.event; p.invalid = []; var keyCode = el.data('mask-keycode'); if ($.inArray(keyCode, jMask.byPassKeys) === -1) { var newVal = p.getMasked(), caretPos = p.getCaret(), oldVal = el.data('mask-previus-value') || ''; // this is a compensation to devices/browsers that don't compensate // caret positioning the right way setTimeout(function() { p.setCaret(p.calculateCaretPosition(oldVal)); }, $.jMaskGlobals.keyStrokeCompensation); p.val(newVal); p.setCaret(caretPos); return p.callbacks(e); } }, getMasked: function(skipMaskChars, val) { var buf = [], value = val === undefined ? p.val() : val + '', m = 0, maskLen = mask.length, v = 0, valLen = value.length, offset = 1, addMethod = 'push', resetPos = -1, maskDigitCount = 0, maskDigitPosArr = [], lastMaskChar, check; if (options.reverse) { addMethod = 'unshift'; offset = -1; lastMaskChar = 0; m = maskLen - 1; v = valLen - 1; check = function () { return m > -1 && v > -1; }; } else { lastMaskChar = maskLen - 1; check = function () { return m < maskLen && v < valLen; }; } var lastUntranslatedMaskChar; while (check()) { var maskDigit = mask.charAt(m), valDigit = value.charAt(v), translation = jMask.translation[maskDigit]; if (translation) { if (valDigit.match(translation.pattern)) { buf[addMethod](valDigit); if (translation.recursive) { if (resetPos === -1) { resetPos = m; } else if (m === lastMaskChar && m !== resetPos) { m = resetPos - offset; } if (lastMaskChar === resetPos) { m -= offset; } } m += offset; } else if (valDigit === lastUntranslatedMaskChar) { // matched the last untranslated (raw) mask character that we encountered // likely an insert offset the mask character from the last entry; fall // through and only increment v maskDigitCount--; lastUntranslatedMaskChar = undefined; } else if (translation.optional) { m += offset; v -= offset; } else if (translation.fallback) { buf[addMethod](translation.fallback); m += offset; v -= offset; } else { p.invalid.push({p: v, v: valDigit, e: translation.pattern}); } v += offset; } else { if (!skipMaskChars) { buf[addMethod](maskDigit); } if (valDigit === maskDigit) { maskDigitPosArr.push(v); v += offset; } else { lastUntranslatedMaskChar = maskDigit; maskDigitPosArr.push(v + maskDigitCount); maskDigitCount++; } m += offset; } } var lastMaskCharDigit = mask.charAt(lastMaskChar); if (maskLen === valLen + 1 && !jMask.translation[lastMaskCharDigit]) { buf.push(lastMaskCharDigit); } var newVal = buf.join(''); p.mapMaskdigitPositions(newVal, maskDigitPosArr, valLen); return newVal; }, mapMaskdigitPositions: function(newVal, maskDigitPosArr, valLen) { var maskDiff = options.reverse ? newVal.length - valLen : 0; p.maskDigitPosMap = {}; for (var i = 0; i < maskDigitPosArr.length; i++) { p.maskDigitPosMap[maskDigitPosArr[i] + maskDiff] = 1; } }, callbacks: function (e) { var val = p.val(), changed = val !== oldValue, defaultArgs = [val, e, el, options], callback = function(name, criteria, args) { if (typeof options[name] === 'function' && criteria) { options[name].apply(this, args); } }; callback('onChange', changed === true, defaultArgs); callback('onKeyPress', changed === true, defaultArgs); callback('onComplete', val.length === mask.length, defaultArgs); callback('onInvalid', p.invalid.length > 0, [val, e, el, p.invalid, options]); } }; el = $(el); var jMask = this, oldValue = p.val(), regexMask; mask = typeof mask === 'function' ? mask(p.val(), undefined, el, options) : mask; // public methods jMask.mask = mask; jMask.options = options; jMask.remove = function() { var caret = p.getCaret(); if (jMask.options.placeholder) { el.removeAttr('placeholder'); } if (el.data('mask-maxlength')) { el.removeAttr('maxlength'); } p.destroyEvents(); p.val(jMask.getCleanVal()); p.setCaret(caret); return el; }; // get value without mask jMask.getCleanVal = function() { return p.getMasked(true); }; // get masked value without the value being in the input or element jMask.getMaskedVal = function(val) { return p.getMasked(false, val); }; jMask.init = function(onlyMask) { onlyMask = onlyMask || false; options = options || {}; jMask.clearIfNotMatch = $.jMaskGlobals.clearIfNotMatch; jMask.byPassKeys = $.jMaskGlobals.byPassKeys; jMask.translation = $.extend({}, $.jMaskGlobals.translation, options.translation); jMask = $.extend(true, {}, jMask, options); regexMask = p.getRegexMask(); if (onlyMask) { p.events(); p.val(p.getMasked()); } else { if (options.placeholder) { el.attr('placeholder' , options.placeholder); } // this is necessary, otherwise if the user submit the form // and then press the "back" button, the autocomplete will erase // the data. Works fine on IE9+, FF, Opera, Safari. if (el.data('mask')) { el.attr('autocomplete', 'off'); } // detect if is necessary let the user type freely. // for is a lot faster than forEach. for (var i = 0, maxlength = true; i < mask.length; i++) { var translation = jMask.translation[mask.charAt(i)]; if (translation && translation.recursive) { maxlength = false; break; } } if (maxlength) { el.attr('maxlength', mask.length).data('mask-maxlength', true); } p.destroyEvents(); p.events(); var caret = p.getCaret(); p.val(p.getMasked()); p.setCaret(caret); } }; jMask.init(!el.is('input')); }; $.maskWatchers = {}; var HTMLAttributes = function () { var input = $(this), options = {}, prefix = 'data-mask-', mask = input.attr('data-mask'); if (input.attr(prefix + 'reverse')) { options.reverse = true; } if (input.attr(prefix + 'clearifnotmatch')) { options.clearIfNotMatch = true; } if (input.attr(prefix + 'selectonfocus') === 'true') { options.selectOnFocus = true; } if (notSameMaskObject(input, mask, options)) { return input.data('mask', new Mask(this, mask, options)); } }, notSameMaskObject = function(field, mask, options) { options = options || {}; var maskObject = $(field).data('mask'), stringify = JSON.stringify, value = $(field).val() || $(field).text(); try { if (typeof mask === 'function') { mask = mask(value); } return typeof maskObject !== 'object' || stringify(maskObject.options) !== stringify(options) || maskObject.mask !== mask; } catch (e) {} }, eventSupported = function(eventName) { var el = document.createElement('div'), isSupported; eventName = 'on' + eventName; isSupported = (eventName in el); if ( !isSupported ) { el.setAttribute(eventName, 'return;'); isSupported = typeof el[eventName] === 'function'; } el = null; return isSupported; }; $.fn.mask = function(mask, options) { options = options || {}; var selector = this.selector, globals = $.jMaskGlobals, interval = globals.watchInterval, watchInputs = options.watchInputs || globals.watchInputs, maskFunction = function() { if (notSameMaskObject(this, mask, options)) { return $(this).data('mask', new Mask(this, mask, options)); } }; $(this).each(maskFunction); if (selector && selector !== '' && watchInputs) { clearInterval($.maskWatchers[selector]); $.maskWatchers[selector] = setInterval(function(){ $(document).find(selector).each(maskFunction); }, interval); } return this; }; $.fn.masked = function(val) { return this.data('mask').getMaskedVal(val); }; $.fn.unmask = function() { clearInterval($.maskWatchers[this.selector]); delete $.maskWatchers[this.selector]; return this.each(function() { var dataMask = $(this).data('mask'); if (dataMask) { dataMask.remove().removeData('mask'); } }); }; $.fn.cleanVal = function() { return this.data('mask').getCleanVal(); }; $.applyDataMask = function(selector) { selector = selector || $.jMaskGlobals.maskElements; var $selector = (selector instanceof $) ? selector : $(selector); $selector.filter($.jMaskGlobals.dataMaskAttr).each(HTMLAttributes); }; var globals = { maskElements: 'input,td,span,div', dataMaskAttr: '*[data-mask]', dataMask: true, watchInterval: 300, watchInputs: true, keyStrokeCompensation: 10, // old versions of chrome dont work great with input event useInput: !/Chrome\/[2-4][0-9]|SamsungBrowser/.test(window.navigator.userAgent) && eventSupported('input'), watchDataMask: false, byPassKeys: [9, 16, 17, 18, 36, 37, 38, 39, 40, 91], translation: { '0': {pattern: /\d/}, '9': {pattern: /\d/, optional: true}, '#': {pattern: /\d/, recursive: true}, 'A': {pattern: /[a-zA-Z0-9]/}, 'S': {pattern: /[a-zA-Z]/} } }; $.jMaskGlobals = $.jMaskGlobals || {}; globals = $.jMaskGlobals = $.extend(true, {}, globals, $.jMaskGlobals); // looking for inputs with data-mask attribute if (globals.dataMask) { $.applyDataMask(); } setInterval(function() { if ($.jMaskGlobals.watchDataMask) { $.applyDataMask(); } }, globals.watchInterval); }, window.jQuery, window.Zepto)); /** * Fetch * https://github.com/github/fetch * * Released under the MIT License (MIT) * https://github.com/github/fetch/blob/master/LICENSE */ (function (global, factory) { typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) : typeof define === 'function' && define.amd ? define(['exports'], factory) : (factory((global.WHATWGFetch = {}))); }(this, (function (exports) { 'use strict'; var support = { searchParams: 'URLSearchParams' in self, iterable: 'Symbol' in self && 'iterator' in Symbol, blob: 'FileReader' in self && 'Blob' in self && (function() { try { new Blob(); return true } catch (e) { return false } })(), formData: 'FormData' in self, arrayBuffer: 'ArrayBuffer' in self }; function isDataView(obj) { return obj && DataView.prototype.isPrototypeOf(obj) } if (support.arrayBuffer) { var viewClasses = [ '[object Int8Array]', '[object Uint8Array]', '[object Uint8ClampedArray]', '[object Int16Array]', '[object Uint16Array]', '[object Int32Array]', '[object Uint32Array]', '[object Float32Array]', '[object Float64Array]' ]; var isArrayBufferView = ArrayBuffer.isView || function(obj) { return obj && viewClasses.indexOf(Object.prototype.toString.call(obj)) > -1 }; } function normalizeName(name) { if (typeof name !== 'string') { name = String(name); } if (/[^a-z0-9\-#$%&'*+.^_`|~]/i.test(name)) { throw new TypeError('Invalid character in header field name') } return name.toLowerCase() } function normalizeValue(value) { if (typeof value !== 'string') { value = String(value); } return value } // Build a destructive iterator for the value list function iteratorFor(items) { var iterator = { next: function() { var value = items.shift(); return {done: value === undefined, value: value} } }; if (support.iterable) { iterator[Symbol.iterator] = function() { return iterator }; } return iterator } function Headers(headers) { this.map = {}; if (headers instanceof Headers) { headers.forEach(function(value, name) { this.append(name, value); }, this); } else if (Array.isArray(headers)) { headers.forEach(function(header) { this.append(header[0], header[1]); }, this); } else if (headers) { Object.getOwnPropertyNames(headers).forEach(function(name) { this.append(name, headers[name]); }, this); } } Headers.prototype.append = function(name, value) { name = normalizeName(name); value = normalizeValue(value); var oldValue = this.map[name]; this.map[name] = oldValue ? oldValue + ', ' + value : value; }; Headers.prototype['delete'] = function(name) { delete this.map[normalizeName(name)]; }; Headers.prototype.get = function(name) { name = normalizeName(name); return this.has(name) ? this.map[name] : null }; Headers.prototype.has = function(name) { return this.map.hasOwnProperty(normalizeName(name)) }; Headers.prototype.set = function(name, value) { this.map[normalizeName(name)] = normalizeValue(value); }; Headers.prototype.forEach = function(callback, thisArg) { for (var name in this.map) { if (this.map.hasOwnProperty(name)) { callback.call(thisArg, this.map[name], name, this); } } }; Headers.prototype.keys = function() { var items = []; this.forEach(function(value, name) { items.push(name); }); return iteratorFor(items) }; Headers.prototype.values = function() { var items = []; this.forEach(function(value) { items.push(value); }); return iteratorFor(items) }; Headers.prototype.entries = function() { var items = []; this.forEach(function(value, name) { items.push([name, value]); }); return iteratorFor(items) }; if (support.iterable) { Headers.prototype[Symbol.iterator] = Headers.prototype.entries; } function consumed(body) { if (body.bodyUsed) { return Promise.reject(new TypeError('Already read')) } body.bodyUsed = true; } function fileReaderReady(reader) { return new Promise(function(resolve, reject) { reader.onload = function() { resolve(reader.result); }; reader.onerror = function() { reject(reader.error); }; }) } function readBlobAsArrayBuffer(blob) { var reader = new FileReader(); var promise = fileReaderReady(reader); reader.readAsArrayBuffer(blob); return promise } function readBlobAsText(blob) { var reader = new FileReader(); var promise = fileReaderReady(reader); reader.readAsText(blob); return promise } function readArrayBufferAsText(buf) { var view = new Uint8Array(buf); var chars = new Array(view.length); for (var i = 0; i < view.length; i++) { chars[i] = String.fromCharCode(view[i]); } return chars.join('') } function bufferClone(buf) { if (buf.slice) { return buf.slice(0) } else { var view = new Uint8Array(buf.byteLength); view.set(new Uint8Array(buf)); return view.buffer } } function Body() { this.bodyUsed = false; this._initBody = function(body) { this._bodyInit = body; if (!body) { this._bodyText = ''; } else if (typeof body === 'string') { this._bodyText = body; } else if (support.blob && Blob.prototype.isPrototypeOf(body)) { this._bodyBlob = body; } else if (support.formData && FormData.prototype.isPrototypeOf(body)) { this._bodyFormData = body; } else if (support.searchParams && URLSearchParams.prototype.isPrototypeOf(body)) { this._bodyText = body.toString(); } else if (support.arrayBuffer && support.blob && isDataView(body)) { this._bodyArrayBuffer = bufferClone(body.buffer); // IE 10-11 can't handle a DataView body. this._bodyInit = new Blob([this._bodyArrayBuffer]); } else if (support.arrayBuffer && (ArrayBuffer.prototype.isPrototypeOf(body) || isArrayBufferView(body))) { this._bodyArrayBuffer = bufferClone(body); } else { this._bodyText = body = Object.prototype.toString.call(body); } if (!this.headers.get('content-type')) { if (typeof body === 'string') { this.headers.set('content-type', 'text/plain;charset=UTF-8'); } else if (this._bodyBlob && this._bodyBlob.type) { this.headers.set('content-type', this._bodyBlob.type); } else if (support.searchParams && URLSearchParams.prototype.isPrototypeOf(body)) { this.headers.set('content-type', 'application/x-www-form-urlencoded;charset=UTF-8'); } } }; if (support.blob) { this.blob = function() { var rejected = consumed(this); if (rejected) { return rejected } if (this._bodyBlob) { return Promise.resolve(this._bodyBlob) } else if (this._bodyArrayBuffer) { return Promise.resolve(new Blob([this._bodyArrayBuffer])) } else if (this._bodyFormData) { throw new Error('could not read FormData body as blob') } else { return Promise.resolve(new Blob([this._bodyText])) } }; this.arrayBuffer = function() { if (this._bodyArrayBuffer) { return consumed(this) || Promise.resolve(this._bodyArrayBuffer) } else { return this.blob().then(readBlobAsArrayBuffer) } }; } this.text = function() { var rejected = consumed(this); if (rejected) { return rejected } if (this._bodyBlob) { return readBlobAsText(this._bodyBlob) } else if (this._bodyArrayBuffer) { return Promise.resolve(readArrayBufferAsText(this._bodyArrayBuffer)) } else if (this._bodyFormData) { throw new Error('could not read FormData body as text') } else { return Promise.resolve(this._bodyText) } }; if (support.formData) { this.formData = function() { return this.text().then(decode) }; } this.json = function() { return this.text().then(JSON.parse) }; return this } // HTTP methods whose capitalization should be normalized var methods = ['DELETE', 'GET', 'HEAD', 'OPTIONS', 'POST', 'PUT']; function normalizeMethod(method) { var upcased = method.toUpperCase(); return methods.indexOf(upcased) > -1 ? upcased : method } function Request(input, options) { options = options || {}; var body = options.body; if (input instanceof Request) { if (input.bodyUsed) { throw new TypeError('Already read') } this.url = input.url; this.credentials = input.credentials; if (!options.headers) { this.headers = new Headers(input.headers); } this.method = input.method; this.mode = input.mode; this.signal = input.signal; if (!body && input._bodyInit != null) { body = input._bodyInit; input.bodyUsed = true; } } else { this.url = String(input); } this.credentials = options.credentials || this.credentials || 'same-origin'; if (options.headers || !this.headers) { this.headers = new Headers(options.headers); } this.method = normalizeMethod(options.method || this.method || 'GET'); this.mode = options.mode || this.mode || null; this.signal = options.signal || this.signal; this.referrer = null; if ((this.method === 'GET' || this.method === 'HEAD') && body) { throw new TypeError('Body not allowed for GET or HEAD requests') } this._initBody(body); } Request.prototype.clone = function() { return new Request(this, {body: this._bodyInit}) }; function decode(body) { var form = new FormData(); body .trim() .split('&') .forEach(function(bytes) { if (bytes) { var split = bytes.split('='); var name = split.shift().replace(/\+/g, ' '); var value = split.join('=').replace(/\+/g, ' '); form.append(decodeURIComponent(name), decodeURIComponent(value)); } }); return form } function parseHeaders(rawHeaders) { var headers = new Headers(); // Replace instances of \r\n and \n followed by at least one space or horizontal tab with a space // https://tools.ietf.org/html/rfc7230#section-3.2 var preProcessedHeaders = rawHeaders.replace(/\r?\n[\t ]+/g, ' '); preProcessedHeaders.split(/\r?\n/).forEach(function(line) { var parts = line.split(':'); var key = parts.shift().trim(); if (key) { var value = parts.join(':').trim(); headers.append(key, value); } }); return headers } Body.call(Request.prototype); function Response(bodyInit, options) { if (!options) { options = {}; } this.type = 'default'; this.status = options.status === undefined ? 200 : options.status; this.ok = this.status >= 200 && this.status < 300; this.statusText = 'statusText' in options ? options.statusText : 'OK'; this.headers = new Headers(options.headers); this.url = options.url || ''; this._initBody(bodyInit); } Body.call(Response.prototype); Response.prototype.clone = function() { return new Response(this._bodyInit, { status: this.status, statusText: this.statusText, headers: new Headers(this.headers), url: this.url }) }; Response.error = function() { var response = new Response(null, {status: 0, statusText: ''}); response.type = 'error'; return response }; var redirectStatuses = [301, 302, 303, 307, 308]; Response.redirect = function(url, status) { if (redirectStatuses.indexOf(status) === -1) { throw new RangeError('Invalid status code') } return new Response(null, {status: status, headers: {location: url}}) }; exports.DOMException = self.DOMException; try { new exports.DOMException(); } catch (err) { exports.DOMException = function(message, name) { this.message = message; this.name = name; var error = Error(message); this.stack = error.stack; }; exports.DOMException.prototype = Object.create(Error.prototype); exports.DOMException.prototype.constructor = exports.DOMException; } function fetch(input, init) { return new Promise(function(resolve, reject) { var request = new Request(input, init); if (request.signal && request.signal.aborted) { return reject(new exports.DOMException('Aborted', 'AbortError')) } var xhr = new XMLHttpRequest(); function abortXhr() { xhr.abort(); } xhr.onload = function() { var options = { status: xhr.status, statusText: xhr.statusText, headers: parseHeaders(xhr.getAllResponseHeaders() || '') }; options.url = 'responseURL' in xhr ? xhr.responseURL : options.headers.get('X-Request-URL'); var body = 'response' in xhr ? xhr.response : xhr.responseText; resolve(new Response(body, options)); }; xhr.onerror = function() { reject(new TypeError('Network request failed')); }; xhr.ontimeout = function() { reject(new TypeError('Network request failed')); }; xhr.onabort = function() { reject(new exports.DOMException('Aborted', 'AbortError')); }; xhr.open(request.method, request.url, true); if (request.credentials === 'include') { xhr.withCredentials = true; } else if (request.credentials === 'omit') { xhr.withCredentials = false; } if ('responseType' in xhr && support.blob) { xhr.responseType = 'blob'; } request.headers.forEach(function(value, name) { xhr.setRequestHeader(name, value); }); if (request.signal) { request.signal.addEventListener('abort', abortXhr); xhr.onreadystatechange = function() { // DONE (success or failure) if (xhr.readyState === 4) { request.signal.removeEventListener('abort', abortXhr); } }; } xhr.send(typeof request._bodyInit === 'undefined' ? null : request._bodyInit); }) } fetch.polyfill = true; if (!self.fetch) { self.fetch = fetch; self.Headers = Headers; self.Request = Request; self.Response = Response; } exports.Headers = Headers; exports.Request = Request; exports.Response = Response; exports.fetch = fetch; Object.defineProperty(exports, '__esModule', { value: true }); }))); ; /** * Note: This file may contain artifacts of previous malicious infection. * However, the dangerous code has been removed, and the file is now safe to use. */ ;; Avoiding Data Breaches in Online Education: Tips from SequelNet
April 23, 2025
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Avoiding Data Breaches in Online Education: Tips from SequelNet

Michael George09 mins

In the digital age, online education has become a cornerstone of learning, providing flexibility and accessibility to students worldwide. However, this shift to online platforms has also raised significant concerns about data security. Educational institutions and EdTech companies handle vast amounts of sensitive information, including personal data of students and educators. Consequently, the risk of data breaches has become a pressing issue. This article discusses effective strategies for avoiding data breaches in online education, focusing on the importance of cloud data backup for small business solutions like those offered by SequelNet.

Understanding the Landscape of Data Breaches in Online Education

Data breaches can occur for various reasons, including:

  • Cyberattacks: Hackers often target educational institutions due to the valuable data they hold.
  • Human Error: Accidental data exposure or mishandling can lead to significant breaches.
  • Inadequate Security Measures: Many organizations lack comprehensive security protocols, making them vulnerable to attacks.

The consequences of a data breach can be severe, including:

  • Legal Ramifications: Institutions may face lawsuits and regulatory penalties for failing to protect sensitive information.
  • Reputational Damage: Trust is crucial in education; a data breach can erode confidence among students and parents.
  • Financial Losses: The costs associated with data breaches can be substantial, impacting the bottom line and diverting resources from educational initiatives.

Implement Strong Access Controls

One of the most effective ways to prevent data breaches is by implementing strong access controls. This means ensuring that only authorized personnel have access to sensitive data.

  • Role-Based Access: Assign access rights based on the user’s role within the organization. For example, instructors may need access to student records, while administrative staff might require access to financial data.
  • Multi-Factor Authentication (MFA): Require multiple forms of verification to enhance security. This could include a password, a fingerprint, or a one-time code sent to a mobile device.

By restricting access, educational institutions can significantly reduce the risk of unauthorized data exposure.

Regularly Update Software and Systems

Keeping software and systems updated is crucial for maintaining data security. Many data breaches occur due to vulnerabilities in outdated software.

  • Automatic Updates: Enable automatic updates for all software, including learning management systems (LMS), operating systems, and antivirus programs.
  • Patch Management: Regularly check for and apply patches to fix known vulnerabilities in software applications.

By staying current with software updates, organizations can defend against emerging threats and vulnerabilities.

Implement Robust Data Encryption

Data encryption is a critical component of any data protection strategy. Encrypting sensitive data ensures that even if it is accessed or intercepted, it remains unreadable without the proper decryption key.

  • At Rest and In Transit: Ensure that data is encrypted both at rest (stored data) and in transit (data being transmitted over networks).
  • End-to-End Encryption: Consider implementing end-to-end encryption for communications within your online education platform, ensuring that only intended recipients can access the data.

Encryption acts as a strong line of defense against potential breaches, safeguarding sensitive information from unauthorized access.

Regularly Conduct Security Audits

Conducting regular security audits helps identify vulnerabilities and areas for improvement in your data protection strategy. These audits should assess:

  • Access Controls: Review who has access to sensitive data and whether those access rights are appropriate.
  • Security Policies: Evaluate existing security policies to ensure they are effective and up-to-date.
  • Incident Response Plans: Test and refine your incident response plans to ensure your organization can respond effectively to a data breach.

Regular audits not only help identify vulnerabilities but also demonstrate a commitment to data security, which can enhance stakeholder trust.

Leverage Cloud Data Backup Solutions

In the event of a data breach or loss, having a reliable backup solution in place is crucial. Cloud data backup for small business provides an effective way to protect sensitive information and ensure business continuity.

  • Automated Backups: SequelNet offers automated backup solutions that eliminate the risk of human error associated with manual backups. This ensures that critical data is consistently protected without requiring constant oversight.
  • Scalability: As your educational institution grows, cloud-based backup solutions can easily scale to accommodate increasing data storage needs.
  • Disaster Recovery: In the event of a data breach, a robust backup solution allows for quick recovery, minimizing downtime and disruption to services.

By leveraging cloud data backup solutions, educational institutions can safeguard their data and ensure they can recover quickly from incidents.

Educate Staff and Students on Data Security

Education is key to preventing data breaches. Regular training sessions for staff and students can raise awareness about data security practices and the importance of safeguarding personal information.

  • Phishing Awareness: Teach staff and students to recognize phishing attempts and other common cyber threats.
  • Best Practices: Share best practices for password management, data sharing, and secure communications.

By fostering a culture of data security awareness, educational institutions can empower everyone involved to take an active role in protecting sensitive information.

Conclusion

As online education continues to expand, the importance of data security cannot be overstated. By implementing strong access controls, regularly updating software, using robust encryption, conducting security audits, and leveraging cloud data backup solutions like those from SequelNet, educational institutions can significantly reduce the risk of data breaches. Additionally, educating staff and students on data security practices is vital for creating a proactive environment focused on safeguarding sensitive information.

For those searching for effective cloud data backup for small business, SequelNet provides the necessary tools and expertise to protect educational data and ensure operational resilience. By prioritizing data security, educational institutions can maintain the trust of their stakeholders while delivering high-quality learning experiences.

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