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@ -11,11 +11,13 @@ define([
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'/common/outer/local-store.js',
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'/common/outer/local-store.js',
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'/common/outer/worker-channel.js',
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'/common/outer/worker-channel.js',
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'/common/outer/login-block.js',
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'/common/outer/login-block.js',
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'/common/outer/cache-store.js',
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'/customize/application_config.js',
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'/customize/application_config.js',
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'/bower_components/nthen/index.js',
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'/bower_components/nthen/index.js',
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], function (Config, Messages, Util, Hash,
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], function (Config, Messages, Util, Hash,
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Messaging, Constants, Feedback, Visible, UserObject, LocalStore, Channel, Block,
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Messaging, Constants, Feedback, Visible, UserObject, LocalStore, Channel, Block,
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Cache,
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AppConfig, Nthen) {
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AppConfig, Nthen) {
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/* This file exposes functionality which is specific to Cryptpad, but not to
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/* This file exposes functionality which is specific to Cryptpad, but not to
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@ -437,10 +439,35 @@ define([
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});
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});
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};
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};
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common.getFileSize = function (href, password, cb) {
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common.getFileSize = function (href, password, _cb) {
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postMessage("GET_FILE_SIZE", {href: href, password: password}, function (obj) {
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var cb = Util.once(Util.mkAsync(_cb));
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if (obj && obj.error) { return void cb(obj.error); }
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var channel = Hash.hrefToHexChannelId(href, password);
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var error;
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Nthen(function (waitFor) {
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// Blobs can't change, if it's in the cache, use it
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Cache.getBlobCache(channel, waitFor(function(err, blob) {
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if (err) { return; }
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waitFor.abort();
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cb(null, blob.length);
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}));
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}).nThen(function (waitFor) {
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// If it's not in the cache or it's not a blob, try to get the value from the server
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postMessage("GET_FILE_SIZE", {channel:channel}, waitFor(function (obj) {
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if (obj && obj.error) {
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// If disconnected, try to get the value from the channel cache (next nThen)
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error = obj.error;
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return;
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}
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waitFor.abort();
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cb(undefined, obj.size);
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cb(undefined, obj.size);
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}));
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}).nThen(function () {
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Cache.getChannelCache(channel, function(err, data) {
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if (err) { return void cb(error); }
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var size = data && Array.isArray(data.c) && data.c.join('').length;
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cb(null, size || 0);
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});
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});
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});
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};
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};
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@ -451,11 +478,23 @@ define([
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});
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});
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};
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};
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common.isNewChannel = function (href, password, cb) {
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common.isNewChannel = function (href, password, _cb) {
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postMessage('IS_NEW_CHANNEL', {href: href, password: password}, function (obj) {
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var cb = Util.once(Util.mkAsync(_cb));
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if (obj.error) { return void cb(obj.error); }
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var channel = Hash.hrefToHexChannelId(href, password);
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if (!obj) { return void cb('INVALID_RESPONSE'); }
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var error;
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Nthen(function (waitFor) {
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// If it's not in the cache or it's not a blob, try to get the value from the server
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postMessage('IS_NEW_CHANNEL', {channel: channel}, waitFor(function (obj) {
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if (obj && obj.error) { error = obj.error; return; }
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if (!obj) { error = "INVALID_RESPONSE"; return; }
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waitFor.abort();
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cb(undefined, obj.isNew);
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cb(undefined, obj.isNew);
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}));
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}).nThen(function () {
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Cache.getChannelCache(channel, function(err, data) {
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if (err || !data) { return void cb(error); }
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cb(null, false);
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});
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});
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});
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};
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};
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