diff --git a/www/common/cryptpad-common.js b/www/common/cryptpad-common.js index d4bc03a93..4ea563e88 100644 --- a/www/common/cryptpad-common.js +++ b/www/common/cryptpad-common.js @@ -21,6 +21,7 @@ define([ '/customize/application_config.js', '/components/nthen/index.js', + '/components/tweetnacl/nacl-fast.min.js' ], function (Config, Messages, Util, Hash, Cache, Messaging, Constants, Feedback, Visible, UserObject, LocalStore, Channel, Block, Cred, Login, AppConfig, Nthen) { @@ -227,7 +228,6 @@ define([ n = n(function (waitFor) { require([ '/api/broadcast?'+ (+new Date()), - '/components/tweetnacl/nacl-fast.min.js' ], waitFor(function (Broadcast) { nacl = window.nacl; theirs = nacl.util.decodeBase64(Broadcast.curvePublic); @@ -1580,7 +1580,6 @@ define([ require([ '/common/media-tag.js', '/common/outer/upload.js', - '/components/tweetnacl/nacl-fast.min.js' ], waitFor(function (_MT, _Upload) { MediaTag = _MT; Upload = _Upload; @@ -2451,6 +2450,17 @@ define([ window.RTCPeerConnection); }; + common.getAnonymousKeys = function (formSeed, channel) { + var array = window.nacl.util.decodeBase64(formSeed + channel); + var hash = window.nacl.hash(array); + var secretKey = window.nacl.util.encodeBase64(hash.subarray(32)); + var publicKey = Hash.getCurvePublicFromPrivate(secretKey); + return { + curvePrivate: secretKey, + curvePublic: publicKey, + }; + }; + common.ready = (function () { var env = {}; var initialized = false; diff --git a/www/common/make-backup.js b/www/common/make-backup.js index 75bd19b78..b2847d010 100644 --- a/www/common/make-backup.js +++ b/www/common/make-backup.js @@ -10,12 +10,13 @@ define([ '/common/common-interface.js', '/common/hyperscript.js', '/common/common-feedback.js', + '/common/userObject.js', '/common/inner/cache.js', '/customize/messages.js', '/components/nthen/index.js', '/components/saferphore/index.js', '/components/jszip/dist/jszip.min.js', -], function ($, FileCrypto, Hash, Util, UI, h, Feedback, +], function ($, FileCrypto, Hash, Util, UI, h, Feedback, UO, Cache, Messages, nThen, Saferphore, JsZip) { var saveAs = window.saveAs; @@ -169,6 +170,7 @@ define([ data: fData }); } + var href; var parsed; if (!fData.channel) { @@ -176,7 +178,7 @@ define([ parsed = {}; parsed['hashData'] = {type: 'link'}; } else { - href = (fData.href && fData.href.indexOf('#') !== -1) ? fData.href : fData.roHref; + href = UO.getHref(fData, ctx.currentCryptor); parsed = Hash.parsePadUrl(href); } if (['pad', 'file', 'link'].indexOf(parsed.hashData.type) === -1) { return; } @@ -314,20 +316,27 @@ define([ if (typeof el === "object" && el.metadata !== true) { // if folder var fName = getUnique(sanitize(k), '', existingNames); existingNames.push(fName.toLowerCase()); + ctx.currentCryptor = undefined; return void makeFolder(ctx, el, zip.folder(fName), fd, sd); } if (ctx.data.sharedFolders[el]) { // if shared folder - let staticData = ctx.sf[el].static; + let obj = ctx.data.sharedFolders[el]; + let parsed = Hash.parsePadUrl(obj.href || obj.roHref); + var secret = Hash.getSecrets('drive', parsed.hash, obj.password); + let cryptor = secret.keys?.secondaryKey ? UO.createCryptor(secret.keys?.secondaryKey) + : undefined; + ctx.currentCryptor = cryptor; var sfData = ctx.sf[el].metadata; var sfName = getUnique(sanitize((sfData && sfData.title) || 'Folder'), '', existingNames); existingNames.push(sfName.toLowerCase()); + let staticData = ctx.sf[el].static; return void makeFolder(ctx, ctx.sf[el].root, zip.folder(sfName), ctx.sf[el].filesData, staticData); } var fData = fd[el] || (sd && sd[el]); if (fData) { addFile(ctx, zip, fData, existingNames); return; - } + } }); }; diff --git a/www/common/sframe-common-outer.js b/www/common/sframe-common-outer.js index 8138aec2d..e345b85fd 100644 --- a/www/common/sframe-common-outer.js +++ b/www/common/sframe-common-outer.js @@ -123,6 +123,7 @@ define([ var password, newPadPassword, newPadPasswordForce; var initialPathInDrive; var burnAfterReading; + var Handler; var currentPad = window.CryptPad_location = { app: '', @@ -156,10 +157,11 @@ define([ '/common/userObject.js', 'optional!/api/instance', '/common/pad-types.js', + '/form/command-handler.js' ], waitFor(function (_CpNfOuter, _Cryptpad, _Crypto, _Cryptget, _SFrameChannel, _SecureIframe, _UnsafeIframe, _OOIframe, _Notifier, _Hash, _Util, _Realtime, _Notify, _Constants, _Feedback, _LocalStore, _Block, _Cache, _AppConfig, /* _Test,*/ _UserObject, - _Instance, _PadTypes) { + _Instance, _PadTypes, _Handler) { CpNfOuter = _CpNfOuter; Cryptpad = _Cryptpad; Crypto = Utils.Crypto = _Crypto; @@ -183,6 +185,7 @@ define([ Utils.Block = _Block; Utils.PadTypes = _PadTypes; AppConfig = _AppConfig; + Handler = _Handler; //Test = _Test; if (localStorage.CRYPTPAD_URLARGS !== ApiConfig.requireConf.urlArgs) { @@ -2072,6 +2075,8 @@ define([ } }); + Handler.formCommandHandlers(sframeChan, Utils, nThen, Cryptpad); + var integrationSave = function () {}; if (cfg.integration) { sframeChan.on('Q_INTEGRATION_SAVE', function (obj, cb) { diff --git a/www/common/userObject.js b/www/common/userObject.js index aeb446487..c83cbbaa6 100644 --- a/www/common/userObject.js +++ b/www/common/userObject.js @@ -72,7 +72,7 @@ define([ // Href exists and is not encrypted: return href return pad.href; } - if (pad.href) { + if (pad.href && cryptor) { // Href exists and is encrypted var d = cryptor.decrypt(pad.href); // If we can decrypt, return the decrypted value, otherwise continue and return roHref diff --git a/www/form/command-handler.js b/www/form/command-handler.js new file mode 100644 index 000000000..dc49a9e18 --- /dev/null +++ b/www/form/command-handler.js @@ -0,0 +1,386 @@ +// SPDX-FileCopyrightText: 2025 XWiki CryptPad Team and contributors +// +// SPDX-License-Identifier: AGPL-3.0-or-later + +define([ + '/components/tweetnacl/nacl-fast.min.js' +], function () { + + var Handler = {}; + + var Nacl = window.nacl; + Handler.formCommandHandlers = function(sframeChan, Utils, nThen, Cryptpad) { + sframeChan.on('EV_EXPORT_SHEET', function (data) { + if (!data || !Array.isArray(data.content)) { return; } + sessionStorage.CP_formExportSheet = JSON.stringify(data); + var href = Utils.Hash.hashToHref('', 'sheet'); + var a = window.open(href); + if (!a) { sframeChan.event('EV_POPUP_BLOCKED'); } + delete sessionStorage.CP_formExportSheet; + }); + var u8_concat = function (A) { + var length = 0; + A.forEach(function (a) { length += a.length; }); + var total = new Uint8Array(length); + + var offset = 0; + A.forEach(function (a) { + total.set(a, offset); + offset += a.length; + }); + return total; + }; + var anonProof = function (channel, theirPub, anonKeys) { + var u8_plain = Nacl.util.decodeUTF8(channel); + var u8_nonce = Nacl.randomBytes(Nacl.box.nonceLength); + var u8_cipher = Nacl.box( + u8_plain, + u8_nonce, + Nacl.util.decodeBase64(theirPub), + Nacl.util.decodeBase64(anonKeys.curvePrivate) + ); + var u8_bundle = u8_concat([ + u8_nonce, // 24 uint8s + u8_cipher, // arbitrary length + ]); + return { + key: anonKeys.curvePublic, + proof: Nacl.util.encodeBase64(u8_bundle) + }; + }; + var deleteLines = false; // "false" to support old forms + sframeChan.on("Q_FETCH_MY_ANSWERS", function (data, cb) { + var answers = []; + var myKeys; + nThen(function (w) { + Cryptpad.getFormKeys(w(function (keys) { + myKeys = keys; + })); + Cryptpad.getFormAnswer({channel: data.channel}, w(function (obj) { + if (!obj || obj.error) { + if (obj && obj.error === "ENODRIVE") { + var answered = JSON.parse(localStorage.CP_formAnswered || "[]"); + if (answered.indexOf(data.channel) !== -1) { + cb({error:'EANSWERED'}); + } else { + cb(); + } + return void w.abort(); + } + w.abort(); + return void cb(obj); + } + // Get the latest edit per uid + var temp = {}; + obj.forEach(function (ans) { + var uid = ans.uid || '000'; + temp[uid] = ans; + }); + answers = Object.values(temp); + })); + Cryptpad.getPadMetadata({channel: data.channel}, w(function (md) { + if (md && md.deleteLines) { deleteLines = true; } + })); + }).nThen(function () { + var n = nThen; + var err; + var all = {}; + answers.forEach(function (answer) { + n = n(function(waitFor) { + var finalKeys = myKeys; + if (answer.anonymous) { + if (!myKeys.formSeed) { + err = 'ANONYMOUS_ERROR'; + console.error('ANONYMOUS_ERROR', answer); + return; + } + finalKeys = Cryptpad.getAnonymousKeys(myKeys.formSeed, data.channel, Utils); + } + Cryptpad.getHistoryRange({ + channel: data.channel, + lastKnownHash: answer.hash, + toHash: answer.hash, + }, waitFor(function (obj) { + if (obj && obj.error) { err = obj.error; return; } + var messages = obj.messages; + if (!messages.length) { + // TODO delete from drive.forms? + return; + } + if (obj.lastKnownHash !== answer.hash) { return; } + try { + var res = Utils.Crypto.Mailbox.openOwnSecretLetter(messages[0].msg, { + validateKey: data.validateKey, + ephemeral_private: Nacl.util.decodeBase64(answer.curvePrivate), + my_private: Nacl.util.decodeBase64(finalKeys.curvePrivate), + their_public: Nacl.util.decodeBase64(data.publicKey) + }); + var parsed = JSON.parse(res.content); + parsed._isAnon = answer.anonymous; + parsed._time = messages[0].time; + if (deleteLines) { parsed._hash = answer.hash; } + var uid = parsed._uid || '000'; + if (all[uid] && !all[uid]._isAnon) { parsed._isAnon = false; } + all[uid] = parsed; + } catch (e) { + err = e; + } + })); + }).nThen; + }); + n(function () { + if (err) { return void cb({error: err}); } + cb(all); + }); + }); + }); + var u8_slice = function (A, start, end) { + return new Uint8Array(Array.prototype.slice.call(A, start, end)); + }; + var checkAnonProof = function (proofObj, channel, curvePrivate) { + var pub = proofObj.key; + var proofTxt = proofObj.proof; + try { + var u8_bundle = Nacl.util.decodeBase64(proofTxt); + var u8_nonce = u8_slice(u8_bundle, 0, Nacl.box.nonceLength); + var u8_cipher = u8_slice(u8_bundle, Nacl.box.nonceLength); + var u8_plain = Nacl.box.open( + u8_cipher, + u8_nonce, + Nacl.util.decodeBase64(pub), + Nacl.util.decodeBase64(curvePrivate) + ); + return channel === Nacl.util.encodeUTF8(u8_plain); + } catch (e) { + console.error(e); + return false; + } + }; + sframeChan.on('Q_FORM_FETCH_ANSWERS', function (data, _cb) { + var formHref = data.href; + var cb = Utils.Util.once(_cb); + var myKeys = {}; + var myFormKeys; + var accessKeys; + var CPNetflux, Pinpad; + var network; + var noDriveAnswered = false; + nThen(function (w) { + require([ + 'chainpad-netflux', + '/common/pinpad.js', + ], w(function (_CPNetflux, _Pinpad) { + CPNetflux = _CPNetflux; + Pinpad = _Pinpad; + })); + var personalDrive = !Cryptpad.initialTeam || Cryptpad.initialTeam === -1; + Cryptpad.getAccessKeys(w(function (_keys) { + if (!Array.isArray(_keys)) { return; } + accessKeys = _keys; + + _keys.some(function (_k) { + if ((personalDrive && !_k.id) || Cryptpad.initialTeam === Number(_k.id)) { + myKeys = _k; + return true; + } + }); + })); + Cryptpad.getFormKeys(w(function (keys) { + if (!keys.curvePublic && !keys.formSeed) { + // No drive mode + var answered = JSON.parse(localStorage.CP_formAnswered || "[]"); + noDriveAnswered = answered.indexOf(data.channel) !== -1; + } + myFormKeys = keys; + })); + Cryptpad.makeNetwork(w(function (err, nw) { + network = nw; + })); + Cryptpad.getPadMetadata({channel: data.channel}, w(function (md) { + if (md && md.deleteLines) { deleteLines = true; } + })); + }).nThen(function () { + if (!network) { return void cb({error: "E_CONNECT"}); } + if (myFormKeys.formSeed) { + myFormKeys = Cryptpad.getAnonymousKeys(myFormKeys.formSeed, data.channel, Utils); + } + var keys; + var privateKey, publicKey; + var formData; + if (data.drive) { + var secret = Utils.Hash.getSecrets('form', formHref, data.password); + keys = secret && secret.keys; + formData = Utils.Hash.getFormData(secret); + } else { + formData = Utils.Hash.getFormData(Utils.secret); + keys = Utils.secret && Utils.secret.keys; + } + privateKey = formData.form_private; + publicKey = formData.form_public; + var curvePrivate = privateKey || data.privateKey; + if (!curvePrivate) { return void cb({error: 'EFORBIDDEN'}); } + var crypto = Utils.Crypto.Mailbox.createEncryptor({ + curvePrivate: curvePrivate, + curvePublic: publicKey || data.publicKey, + validateKey: data.validateKey + }); + + var config = { + network: network, + channel: data.channel, + noChainPad: true, + validateKey: keys.secondaryValidateKey, + owners: [myKeys.edPublic], + crypto: crypto, + metadata: { + deleteLines: true + } + //Cache: Utils.Cache // TODO enable cache for form responses when the cache stops evicting old answers + }; + var results = {}; + config.onError = function (info) { + cb({ error: info.type }); + }; + config.onRejected = function (data, cb) { + if (!Array.isArray(data) || !data.length || data[0].length !== 16) { + return void cb(true); + } + if (!Array.isArray(accessKeys)) { return void cb(true); } + network.historyKeeper = data[0]; + nThen(function (waitFor) { + accessKeys.forEach(function (obj) { + Pinpad.create(network, obj, waitFor(function (e) { + if (e) { console.error(e); } + })); + }); + }).nThen(function () { + cb(); + }); + }; + config.onReady = function () { + var myKey; + // If we have submitted an anonymous answer, retrieve it + if (myFormKeys.curvePublic && results[myFormKeys.curvePublic]) { + myKey = myFormKeys.curvePublic; + } + cb({ + noDriveAnswered: noDriveAnswered, + myKey: myKey, + results: results + }); + network.disconnect(); + }; + config.onMessage = function (msg, peer, vKey, isCp, hash, senderCurve, cfg) { + var parsed = Utils.Util.tryParse(msg); + if (!parsed) { return; } + var uid = parsed._uid || '000'; + + // If we have a "non-anonymous" answer, it may be the edition of a + // previous anonymous answer. Check if a previous anonymous answer exists + // with the same uid and delete it. + if (parsed._proof) { + var check = checkAnonProof(parsed._proof, data.channel, curvePrivate); + var theirAnonKey = parsed._proof.key; + if (check && results[theirAnonKey] && results[theirAnonKey][uid]) { + delete results[theirAnonKey][uid]; + } + } + + parsed._time = cfg && cfg.time; + if (deleteLines) { parsed._hash = hash; } + + if (data.cantEdit && results[senderCurve] + && results[senderCurve][uid]) { return; } + results[senderCurve] = results[senderCurve] || {}; + results[senderCurve][uid] = { + msg: parsed, + hash: hash, + time: cfg && cfg.time + }; + }; + CPNetflux.start(config); + }); + }); + var noDriveSeed = Utils.Hash.createChannelId(); + sframeChan.on("Q_FORM_SUBMIT", function (data, cb) { + var box = data.mailbox; + var myKeys; + nThen(function (w) { + Cryptpad.getFormKeys(w(function (keys) { + // If formSeed doesn't exists, it means we're probably in noDrive mode. + // We can create a seed in localStorage. + if (!keys.formSeed) { + // No drive mode + keys = { formSeed: noDriveSeed }; + } + myKeys = keys; + })); + }).nThen(function () { + var myAnonymousKeys; + if (data.anonymous) { + if (!myKeys.formSeed) { return void cb({ error: "ANONYMOUS_ERROR" }); } + myKeys = Cryptpad.getAnonymousKeys(myKeys.formSeed, box.channel, Utils); + } else { + myAnonymousKeys = Cryptpad.getAnonymousKeys(myKeys.formSeed, box.channel, Utils); + } + var keys = Utils.secret && Utils.secret.keys; + myKeys.signingKey = keys.secondarySignKey; + + var ephemeral_keypair = Nacl.box.keyPair(); + var ephemeral_private = Nacl.util.encodeBase64(ephemeral_keypair.secretKey); + myKeys.ephemeral_keypair = ephemeral_keypair; + + if (myAnonymousKeys) { + var proof = anonProof(box.channel, box.publicKey, myAnonymousKeys); + data.results._proof = proof; + } + + var crypto = Utils.Crypto.Mailbox.createEncryptor(myKeys); + var uid = data.results._uid || Utils.Util.uid(); + data.results._uid = uid; + var text = JSON.stringify(data.results); + var ciphertext = crypto.encrypt(text, box.publicKey); + + var hash = ciphertext.slice(0,64); + Cryptpad.anonRpcMsg("WRITE_PRIVATE_MESSAGE", [ + box.channel, + ciphertext + ], function (err, response) { + Cryptpad.storeFormAnswer({ + uid: uid, + channel: box.channel, + hash: hash, + curvePrivate: ephemeral_private, + anonymous: Boolean(data.anonymous) + }, function () { + var res = data.results; + res._isAnon = data.anonymous; + res._time = +new Date(); + if (deleteLines) { res._hash = hash; } + cb({ + error: err, + response: response, + results: res + }); + }); + }); + }); + }); + sframeChan.on("Q_FORM_DELETE_ALL_ANSWERS", function (data, cb) { + if (!data || !data.channel) { return void cb({error: 'EINVAL'}); } + Cryptpad.clearOwnedChannel(data, cb); + }); + sframeChan.on("Q_FORM_DELETE_ANSWER", function (data, cb) { + if (!deleteLines) { + return void cb({error: 'EFORBIDDEN'}); + } + Cryptpad.deleteFormAnswers(data, cb); + }); + sframeChan.on("Q_FORM_MUTE", function (data, cb) { + if (!Utils.secret) { return void cb({error: 'EINVAL'}); } + Cryptpad.muteChannel(Utils.secret.channel, data.muted, cb); + }); + }; + + return Handler; +}); diff --git a/www/form/export.js b/www/form/export.js index 9a4ac0f7a..792fd5dc4 100644 --- a/www/form/export.js +++ b/www/form/export.js @@ -93,7 +93,11 @@ define([ data[id] = TYPES[type].exportCSV(msg[key], form[key]); return; } - data[id] = msg[key]; + if (type === 'date') { + data[id] = new Date(msg[key]).toISOString(); + } else { + data[id] = msg[key]; + } }); r.push(data); }); @@ -115,7 +119,6 @@ define([ var form = content.form; var questions = [Messages.form_poll_time, Messages.share_formView]; - order.forEach(function (key) { var obj = form[key]; if (!obj) { return; } @@ -162,12 +165,49 @@ define([ return csv; }; - Export.main = function (content, cb) { - var json = Util.clone(content || {}); - delete json.answers; - cb(new Blob([JSON.stringify(json, 0, 2)], { - type: 'application/json;charset=utf-8' - })); + var getFullOrder = function (content) { + var order = content.order.slice(); + var getSections = function (content) { + var uids = Object.keys(content.form).filter(function (uid) { + return content.form[uid].type === 'section'; + }); + return uids; + }; + getSections(content).forEach(function (uid) { + var block = content.form[uid]; + if (!block.opts || !Array.isArray(block.opts.questions)) { return; } + var idx = order.indexOf(uid); + if (idx === -1) { return; } + idx++; + block.opts.questions.forEach(function (el, i) { + order.splice(idx+i, 0, el); + }); + }); + return order; + }; + + Export.main = function (content, cb, ext, sframeChan, parsed) { + if (sframeChan && content.form) { + var _answers = content["answers"]; + _answers['href'] = parsed.hash; + _answers['password'] = parsed.password; + _answers['drive'] = true; + var answers; + sframeChan.query("Q_FORM_FETCH_ANSWERS", _answers, function (err, obj) { + answers = obj && obj.results; + var types = {input: {}, textarea: {}, radio: {}, multiradio: {}, date: {}, checkbox: {}, multicheck: {}, sort: {}, poll: {}}; + var arr = Export.results(content, answers, types, getFullOrder(content), "json"); + cb(new Blob([arr], { + type: 'application/json;charset=utf-8' + })); + }); + } else { + var json = Util.clone(content || {}); + delete json.answers; + cb(new Blob([JSON.stringify(json, 0, 2)], { + type: 'application/json;charset=utf-8' + })); + } }; return Export; diff --git a/www/form/main.js b/www/form/main.js index 05a4536dd..3ea04adb8 100644 --- a/www/form/main.js +++ b/www/form/main.js @@ -8,9 +8,7 @@ define([ '/api/config', '/common/dom-ready.js', '/common/sframe-common-outer.js', - '/components/tweetnacl/nacl-fast.min.js', ], function (nThen, ApiConfig, DomReady, SFCommonO) { - var Nacl = window.nacl; var href, hash; // Loaded in load #2 @@ -21,7 +19,6 @@ define([ href = obj.href; hash = obj.hash; }).nThen(function (/*waitFor*/) { - var privateKey, publicKey; var channels = {}; var getPropChannels = function () { return channels; @@ -41,11 +38,11 @@ define([ var validateKey = keys.secondaryValidateKey; meta.form_answerValidateKey = validateKey; - publicKey = meta.form_public = formData.form_public; - privateKey = meta.form_private = formData.form_private; + meta.form_public = formData.form_public; + meta.form_private = formData.form_private; meta.form_auditorHash = formData.form_auditorHash; }; - var addRpc = function (sframeChan, Cryptpad, Utils) { + var addRpc = function (sframeChan, Cryptpad) { sframeChan.on('EV_FORM_PIN', function (data) { channels.answersChannel = data.channel; Cryptpad.changeMetadata(); @@ -57,377 +54,6 @@ define([ }); }); }); - sframeChan.on('EV_EXPORT_SHEET', function (data) { - if (!data || !Array.isArray(data.content)) { return; } - sessionStorage.CP_formExportSheet = JSON.stringify(data); - var href = Utils.Hash.hashToHref('', 'sheet'); - var a = window.open(href); - if (!a) { sframeChan.event('EV_POPUP_BLOCKED'); } - delete sessionStorage.CP_formExportSheet; - }); - var getAnonymousKeys = function (formSeed, channel) { - var array = Nacl.util.decodeBase64(formSeed + channel); - var hash = Nacl.hash(array); - var secretKey = Nacl.util.encodeBase64(hash.subarray(32)); - var publicKey = Utils.Hash.getCurvePublicFromPrivate(secretKey); - return { - curvePrivate: secretKey, - curvePublic: publicKey, - }; - }; - var u8_slice = function (A, start, end) { - return new Uint8Array(Array.prototype.slice.call(A, start, end)); - }; - var u8_concat = function (A) { - var length = 0; - A.forEach(function (a) { length += a.length; }); - var total = new Uint8Array(length); - - var offset = 0; - A.forEach(function (a) { - total.set(a, offset); - offset += a.length; - }); - return total; - }; - var anonProof = function (channel, theirPub, anonKeys) { - var u8_plain = Nacl.util.decodeUTF8(channel); - var u8_nonce = Nacl.randomBytes(Nacl.box.nonceLength); - var u8_cipher = Nacl.box( - u8_plain, - u8_nonce, - Nacl.util.decodeBase64(theirPub), - Nacl.util.decodeBase64(anonKeys.curvePrivate) - ); - var u8_bundle = u8_concat([ - u8_nonce, // 24 uint8s - u8_cipher, // arbitrary length - ]); - return { - key: anonKeys.curvePublic, - proof: Nacl.util.encodeBase64(u8_bundle) - }; - }; - var checkAnonProof = function (proofObj, channel, curvePrivate) { - var pub = proofObj.key; - var proofTxt = proofObj.proof; - try { - var u8_bundle = Nacl.util.decodeBase64(proofTxt); - var u8_nonce = u8_slice(u8_bundle, 0, Nacl.box.nonceLength); - var u8_cipher = u8_slice(u8_bundle, Nacl.box.nonceLength); - var u8_plain = Nacl.box.open( - u8_cipher, - u8_nonce, - Nacl.util.decodeBase64(pub), - Nacl.util.decodeBase64(curvePrivate) - ); - return channel === Nacl.util.encodeUTF8(u8_plain); - } catch (e) { - console.error(e); - return false; - } - }; - - var deleteLines = false; // "false" to support old forms - sframeChan.on('Q_FORM_FETCH_ANSWERS', function (data, _cb) { - var cb = Utils.Util.once(_cb); - var myKeys = {}; - var myFormKeys; - var accessKeys; - var CPNetflux, Pinpad; - var network; - var noDriveAnswered = false; - nThen(function (w) { - require([ - 'chainpad-netflux', - '/common/pinpad.js', - ], w(function (_CPNetflux, _Pinpad) { - CPNetflux = _CPNetflux; - Pinpad = _Pinpad; - })); - var personalDrive = !Cryptpad.initialTeam || Cryptpad.initialTeam === -1; - Cryptpad.getAccessKeys(w(function (_keys) { - if (!Array.isArray(_keys)) { return; } - accessKeys = _keys; - - _keys.some(function (_k) { - if ((personalDrive && !_k.id) || Cryptpad.initialTeam === Number(_k.id)) { - myKeys = _k; - return true; - } - }); - })); - Cryptpad.getFormKeys(w(function (keys) { - if (!keys.curvePublic && !keys.formSeed) { - // No drive mode - var answered = JSON.parse(localStorage.CP_formAnswered || "[]"); - noDriveAnswered = answered.indexOf(data.channel) !== -1; - } - myFormKeys = keys; - })); - Cryptpad.makeNetwork(w(function (err, nw) { - network = nw; - })); - Cryptpad.getPadMetadata({channel: data.channel}, w(function (md) { - if (md && md.deleteLines) { deleteLines = true; } - })); - }).nThen(function () { - if (!network) { return void cb({error: "E_CONNECT"}); } - - if (myFormKeys.formSeed) { - myFormKeys = getAnonymousKeys(myFormKeys.formSeed, data.channel); - } - - var keys = Utils.secret && Utils.secret.keys; - - var curvePrivate = privateKey || data.privateKey; - if (!curvePrivate) { return void cb({error: 'EFORBIDDEN'}); } - var crypto = Utils.Crypto.Mailbox.createEncryptor({ - curvePrivate: curvePrivate, - curvePublic: publicKey || data.publicKey, - validateKey: data.validateKey - }); - var config = { - network: network, - channel: data.channel, - noChainPad: true, - validateKey: keys.secondaryValidateKey, - owners: [myKeys.edPublic], - crypto: crypto, - metadata: { - deleteLines: true - } - //Cache: Utils.Cache // TODO enable cache for form responses when the cache stops evicting old answers - }; - var results = {}; - config.onError = function (info) { - cb({ error: info.type }); - }; - config.onRejected = function (data, cb) { - if (!Array.isArray(data) || !data.length || data[0].length !== 16) { - return void cb(true); - } - if (!Array.isArray(accessKeys)) { return void cb(true); } - network.historyKeeper = data[0]; - nThen(function (waitFor) { - accessKeys.forEach(function (obj) { - Pinpad.create(network, obj, waitFor(function (e) { - if (e) { console.error(e); } - })); - }); - }).nThen(function () { - cb(); - }); - }; - config.onReady = function () { - var myKey; - // If we have submitted an anonymous answer, retrieve it - if (myFormKeys.curvePublic && results[myFormKeys.curvePublic]) { - myKey = myFormKeys.curvePublic; - } - cb({ - noDriveAnswered: noDriveAnswered, - myKey: myKey, - results: results - }); - network.disconnect(); - }; - config.onMessage = function (msg, peer, vKey, isCp, hash, senderCurve, cfg) { - var parsed = Utils.Util.tryParse(msg); - if (!parsed) { return; } - var uid = parsed._uid || '000'; - - // If we have a "non-anonymous" answer, it may be the edition of a - // previous anonymous answer. Check if a previous anonymous answer exists - // with the same uid and delete it. - if (parsed._proof) { - var check = checkAnonProof(parsed._proof, data.channel, curvePrivate); - var theirAnonKey = parsed._proof.key; - if (check && results[theirAnonKey] && results[theirAnonKey][uid]) { - delete results[theirAnonKey][uid]; - } - } - - parsed._time = cfg && cfg.time; - if (deleteLines) { parsed._hash = hash; } - - if (data.cantEdit && results[senderCurve] - && results[senderCurve][uid]) { return; } - results[senderCurve] = results[senderCurve] || {}; - results[senderCurve][uid] = { - msg: parsed, - hash: hash, - time: cfg && cfg.time - }; - }; - CPNetflux.start(config); - }); - }); - sframeChan.on("Q_FETCH_MY_ANSWERS", function (data, cb) { - var answers = []; - var myKeys; - nThen(function (w) { - Cryptpad.getFormKeys(w(function (keys) { - myKeys = keys; - })); - Cryptpad.getFormAnswer({channel: data.channel}, w(function (obj) { - if (!obj || obj.error) { - if (obj && obj.error === "ENODRIVE") { - var answered = JSON.parse(localStorage.CP_formAnswered || "[]"); - if (answered.indexOf(data.channel) !== -1) { - cb({error:'EANSWERED'}); - } else { - cb(); - } - return void w.abort(); - } - w.abort(); - return void cb(obj); - } - // Get the latest edit per uid - var temp = {}; - obj.forEach(function (ans) { - var uid = ans.uid || '000'; - temp[uid] = ans; - }); - answers = Object.values(temp); - })); - Cryptpad.getPadMetadata({channel: data.channel}, w(function (md) { - if (md && md.deleteLines) { deleteLines = true; } - })); - }).nThen(function () { - var n = nThen; - var err; - var all = {}; - answers.forEach(function (answer) { - n = n(function(waitFor) { - var finalKeys = myKeys; - if (answer.anonymous) { - if (!myKeys.formSeed) { - err = 'ANONYMOUS_ERROR'; - console.error('ANONYMOUS_ERROR', answer); - return; - } - finalKeys = getAnonymousKeys(myKeys.formSeed, data.channel); - } - Cryptpad.getHistoryRange({ - channel: data.channel, - lastKnownHash: answer.hash, - toHash: answer.hash, - }, waitFor(function (obj) { - if (obj && obj.error) { err = obj.error; return; } - var messages = obj.messages; - if (!messages.length) { - // TODO delete from drive.forms? - return; - } - if (obj.lastKnownHash !== answer.hash) { return; } - try { - var res = Utils.Crypto.Mailbox.openOwnSecretLetter(messages[0].msg, { - validateKey: data.validateKey, - ephemeral_private: Nacl.util.decodeBase64(answer.curvePrivate), - my_private: Nacl.util.decodeBase64(finalKeys.curvePrivate), - their_public: Nacl.util.decodeBase64(data.publicKey) - }); - var parsed = JSON.parse(res.content); - parsed._isAnon = answer.anonymous; - parsed._time = messages[0].time; - if (deleteLines) { parsed._hash = answer.hash; } - var uid = parsed._uid || '000'; - if (all[uid] && !all[uid]._isAnon) { parsed._isAnon = false; } - all[uid] = parsed; - } catch (e) { - err = e; - } - })); - }).nThen; - }); - n(function () { - if (err) { return void cb({error: err}); } - cb(all); - }); - }); - - }); - var noDriveSeed = Utils.Hash.createChannelId(); - sframeChan.on("Q_FORM_SUBMIT", function (data, cb) { - var box = data.mailbox; - var myKeys; - nThen(function (w) { - Cryptpad.getFormKeys(w(function (keys) { - // If formSeed doesn't exists, it means we're probably in noDrive mode. - // We can create a seed in localStorage. - if (!keys.formSeed) { - // No drive mode - keys = { formSeed: noDriveSeed }; - } - myKeys = keys; - })); - }).nThen(function () { - var myAnonymousKeys; - if (data.anonymous) { - if (!myKeys.formSeed) { return void cb({ error: "ANONYMOUS_ERROR" }); } - myKeys = getAnonymousKeys(myKeys.formSeed, box.channel); - } else { - myAnonymousKeys = getAnonymousKeys(myKeys.formSeed, box.channel); - } - var keys = Utils.secret && Utils.secret.keys; - myKeys.signingKey = keys.secondarySignKey; - - var ephemeral_keypair = Nacl.box.keyPair(); - var ephemeral_private = Nacl.util.encodeBase64(ephemeral_keypair.secretKey); - myKeys.ephemeral_keypair = ephemeral_keypair; - - if (myAnonymousKeys) { - var proof = anonProof(box.channel, box.publicKey, myAnonymousKeys); - data.results._proof = proof; - } - - var crypto = Utils.Crypto.Mailbox.createEncryptor(myKeys); - var uid = data.results._uid || Utils.Util.uid(); - data.results._uid = uid; - var text = JSON.stringify(data.results); - var ciphertext = crypto.encrypt(text, box.publicKey); - - var hash = ciphertext.slice(0,64); - Cryptpad.anonRpcMsg("WRITE_PRIVATE_MESSAGE", [ - box.channel, - ciphertext - ], function (err, response) { - Cryptpad.storeFormAnswer({ - uid: uid, - channel: box.channel, - hash: hash, - curvePrivate: ephemeral_private, - anonymous: Boolean(data.anonymous) - }, function () { - var res = data.results; - res._isAnon = data.anonymous; - res._time = +new Date(); - if (deleteLines) { res._hash = hash; } - cb({ - error: err, - response: response, - results: res - }); - }); - }); - }); - }); - sframeChan.on("Q_FORM_DELETE_ALL_ANSWERS", function (data, cb) { - if (!data || !data.channel) { return void cb({error: 'EINVAL'}); } - Cryptpad.clearOwnedChannel(data, cb); - }); - sframeChan.on("Q_FORM_DELETE_ANSWER", function (data, cb) { - if (!deleteLines) { - return void cb({error: 'EFORBIDDEN'}); - } - Cryptpad.deleteFormAnswers(data, cb); - }); - sframeChan.on("Q_FORM_MUTE", function (data, cb) { - if (!Utils.secret) { return void cb({error: 'EINVAL'}); } - Cryptpad.muteChannel(Utils.secret.channel, data.muted, cb); - }); }; SFCommonO.start({ addData: addData,