define([ '/file/file-crypto.js', '/common/common-hash.js', '/bower_components/nthen/index.js', '/bower_components/tweetnacl/nacl-fast.min.js', ], function (FileCrypto, Hash, nThen) { var Nacl = window.nacl; var module = {}; module.uploadU8 =function (common, data, cb) { var teamId = data.teamId; var u8 = data.u8; var metadata = data.metadata; var key = data.key; var onError = data.onError || function () {}; var onPending = data.onPending || function () {}; var updateProgress = data.updateProgress || function () {}; var owned = data.owned; var id = data.id; var next = FileCrypto.encrypt(u8, metadata, key); var estimate = FileCrypto.computeEncryptedSize(u8.length, metadata); var sendChunk = function (box, cb) { var enc = Nacl.util.encodeBase64(box); common.uploadChunk(teamId, enc, function (e, msg) { cb(e, msg); }); }; var actual = 0; var again = function (err, box) { if (err) { onError(err); } if (box) { actual += box.length; var progressValue = (actual / estimate * 100); progressValue = Math.min(progressValue, 100); updateProgress(progressValue); return void sendChunk(box, function (e) { if (e) { return console.error(e); } next(again); }); } if (actual !== estimate) { console.error('Estimated size does not match actual size'); } // if not box then done common.uploadComplete(teamId, id, owned, function (e) { if (e) { return void console.error(e); } var uri = ['', 'blob', id.slice(0,2), id].join('/'); console.log("encrypted blob is now available as %s", uri); cb(); }); }; common.uploadStatus(teamId, estimate, function (e, pending) { if (e) { console.error(e); onError(e); return; } if (pending) { return void onPending(function () { // if the user wants to cancel the pending upload to execute that one common.uploadCancel(teamId, estimate, function (e) { if (e) { return void console.error(e); } next(again); }); }); } next(again); }); }; module.upload = function (file, noStore, common, updateProgress, onComplete, onError, onPending) { var u8 = file.blob; // This is not a blob but a uint8array var metadata = file.metadata; var owned = file.owned; var teamId = file.teamId; // if it exists, path contains the new pad location in the drive var path = file.path; var password = file.password; var forceSave = file.forceSave; var hash, secret, key, id, href; var getNewHash = function () { hash = Hash.createRandomHash('file', password); secret = Hash.getSecrets('file', hash, password); key = secret.keys.cryptKey; id = secret.channel; href = '/file/#' + hash; }; var getValidHash = function (cb) { getNewHash(); common.getFileSize(href, password, function (err, size) { if (err || typeof(size) !== "number") { throw new Error(err || "Invalid size!"); } if (size === 0) { return void cb(); } getValidHash(); }); }; var edPublic; nThen(function (waitFor) { // Generate a hash and check if the resulting id is valid (not already used) getValidHash(waitFor()); }).nThen(function (waitFor) { if (!owned) { return; } common.getEdPublic(teamId, waitFor(function (obj) { if (obj && obj.error) { return; } edPublic = obj; metadata.owners = [edPublic]; })); }).nThen(function () { module.uploadU8(common, { teamId: teamId, u8: u8, metadata: metadata, key: key, id: id, owned: owned, onError: onError, onPending: onPending, updateProgress: updateProgress, }, function () { if (noStore) { return void onComplete(href); } var title = metadata.name; var data = { teamId: teamId, title: title || "", href: href, path: path, password: password, channel: id, owners: metadata.owners, forceSave: forceSave }; common.setPadTitle(data, function (err) { if (err) { return void console.error(err); } onComplete(href); common.setPadAttribute('fileType', metadata.type, null, href); common.setPadAttribute('owners', metadata.owners, null, href); }); }); }); }; return module; });