93 lines
2.8 KiB
JavaScript
93 lines
2.8 KiB
JavaScript
var validDomains = [
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/cryptpad.fr$/i,
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];
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var isValidDomain = function (o) {
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return validDomains.some(function (e) {
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switch (typeof(e)) {
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case 'string': return e === o;
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case 'object': return e.test(o);
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}
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});
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};
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var isArray = function (o) { return Object.prototype.toString.call(o) === '[object Array]'; };
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window.addEventListener('message', function(e) {
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if (!isValidDomain(e.origin)) { return; }
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var payload = JSON.parse(e.data);
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var parent = window.parent;
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var respond = function (error, data) {
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var res = {
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_uid: payload._uid,
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error: error,
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data: data,
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};
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parent.postMessage(JSON.stringify(res), '*');
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};
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//console.log(payload);
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switch(payload.method) {
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case 'set':
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localStorage.setItem(payload.key, JSON.stringify(payload.data));
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respond();
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break;
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case 'batchset':
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if (isArray(payload.data) || typeof(payload.data) !== 'object') {
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respond('[batchset.TypeError] expected key-value pairs to set');
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return;
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}
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Object.keys(payload.data).forEach(function (k) {
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localStorage.setItem(k, JSON.stringify(payload.data[k]));
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});
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respond();
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break;
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case 'get':
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respond(void 0, JSON.parse(localStorage.getItem(payload.key)));
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break;
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case 'batchget':
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if (!isArray(payload.data)) {
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respond('[batchget.TypeError] expected array of keys to return');
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return;
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}
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var map = {};
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payload.data.forEach(function (k) {
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map[k] = JSON.parse(localStorage.getItem(k));
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});
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respond(void 0, map);
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break;
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case 'remove':
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//console.log("Removing %s from localStorage", payload.key);
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localStorage.removeItem(payload.key);
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respond();
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break;
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case 'batchremove':
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if (!isArray(payload.data)) {
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respond('[batchremove.TypeError] expected array of keys to remove');
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return;
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}
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payload.data.forEach(function (k) {
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localStorage.removeItem(k);
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});
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respond();
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break;
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case 'keys':
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respond(void 0, Object.keys(localStorage));
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break;
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case undefined:
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respond('No method supplied');
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break;
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}
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});
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window.addEventListener('storage', function (ev) {
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parent.postMessage(JSON.stringify({
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_uid: 'change',
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data: {
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key: ev.key,
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oldValue: ev.oldValue,
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newValue: ev.newValue,
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}
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}), '*');
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});
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