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initial work to add IndexedDB support, including npm module to mock its API in unit tests

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El RIDO 2020-06-28 14:52:40 +02:00
parent c4830044f7
commit ac32826009
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5 changed files with 74 additions and 10 deletions
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74
js/privatebin.js
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@ -4362,10 +4362,30 @@ jQuery.PrivateBin = (function($, RawDeflate) {
* @name Memory
* @class
*/
const Memory = (function (document) {
const Memory = (function (document, window) {
const me = {};
let urls = [];
let urls = [],
db;
/**
* called after successfully connecting to the indexedDB
*
* @name Memory.updateCacheFromDb
* @private
* @function
*/
function updateCacheFromDb()
{
const memory = db.transaction('pastes').objectStore('pastes');
memory.openCursor().onsuccess = function(e) {
let cursor = e.target.result;
if (cursor) {
urls.push(cursor.value.url);
cursor.continue();
}
};
}
/**
* adds a paste URL to the memory
@ -4378,6 +4398,20 @@ jQuery.PrivateBin = (function($, RawDeflate) {
me.add = function(pasteUrl)
{
urls.push(pasteUrl);
if (!window.indexedDB || !db) {
return false;
}
const url = new URL(pasteUrl);
const memory = db.transaction('pastes', 'readwrite').objectStore('pastes');
memory.add({
'https': url.protocol == 'https:',
'service': url.hostname + url.pathname,
'pasteid': url.search.replace(/^\?+/, ''),
'key': url.hash.replace(/^#+/, ''),
// we store the full URL as it may contain additonal information
// required to open the paste, like port, username and password
'url': pasteUrl
});
return true;
};
@ -4411,15 +4445,43 @@ jQuery.PrivateBin = (function($, RawDeflate) {
me.init = function()
{
urls = [];
$("#menu-toggle").on('click', function(e) {
if (!window.indexedDB) {
$('#menu-toggle').hide();
return;
}
const request = window.indexedDB.open('privatebin', 1);
request.onerror = function(e) {
Alert.showWarning('Unable to open indexedDB, memory will not be available in this session.');
$('#menu-toggle').hide();
};
request.onupgradeneeded = function(event) {
const newDb = event.target.result;
const objectStore = newDb.createObjectStore('pastes', {keyPath: 'pasteid'});
objectStore.createIndex('https', 'https', {unique: false});
objectStore.createIndex('service', 'service', {unique: false});
objectStore.createIndex('pasteid', 'pasteid', {unique: true});
objectStore.transaction.oncomplete = function(e) {
db = newDb;
updateCacheFromDb();
};
};
request.onsuccess = function(e) {
db = request.result;
db.onerror = function(e) {
Alert.showError(e);
}
updateCacheFromDb();
};
$('#menu-toggle').on('click', function(e) {
e.preventDefault();
$("main").toggleClass("toggled");
$("#menu-toggle .glyphicon").toggleClass("glyphicon glyphicon-menu-down glyphicon glyphicon-menu-up")
$('main').toggleClass('toggled');
$('#menu-toggle .glyphicon').toggleClass('glyphicon glyphicon-menu-down glyphicon glyphicon-menu-up')
});
};
return me;
})(document);
})(document, window);
/**
* Responsible for AJAX requests, transparently handles encryption…