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42 lines
1.1 KiB
42 lines
1.1 KiB
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const charset = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789+/';
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const generatePassword = () => {
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if (window.crypto) {
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const buf = new Uint8Array(20); //8 keeps charcodes within range
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window.crypto.getRandomValues(buf);
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return btoa(String.fromCharCode.apply(null, buf));
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} else {
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return new Array(20)
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.fill(null)
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.map(x => charset[Math.floor(Math.random()*charset.length)])
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.join('');
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}
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}
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setDefaultLocalStorage('postpassword', generatePassword());
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class syncedField {
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constructor(selector, key, persistent) {
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this.fields = document.querySelectorAll(selector);
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this.key = key;
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this.persistent = persistent;
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for (let field of this.fields) {
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field.value = localStorage.getItem(this.key);
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field.addEventListener('input', (e) => { this.update(e) }, false);
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}
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}
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update(e) {
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if (this.persistent) {
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setLocalStorage(this.key, e.target.value);
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}
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for (let field of this.fields) {
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field.value = e.target.value;
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}
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}
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}
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window.addEventListener('settingsReady', () => {
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new syncedField('input[name="postpassword"]', 'postpassword', true);
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});
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