Fix armor errors

Also, fix error handling in transformPair()
This commit is contained in:
Daniel Huigens 2018-06-13 16:27:59 +02:00
parent 304cbf4783
commit 55fd292fba
5 changed files with 149 additions and 132 deletions

View File

@ -212,16 +212,17 @@ function dearmor(input) {
let headersDone;
let text = [];
let textDone;
let resolved = false;
let checksum;
let data = base64.decode(stream.transformPair(input, async (readable, writable) => {
const reader = stream.getReader(readable);
const writer = stream.getWriter(writable);
while (true) {
await writer.ready;
if (resolved) await writer.ready;
try {
let line = await reader.readLine();
if (line === undefined) {
writer.abort('Misformed armored text');
break;
throw new Error('Misformed armored text');
}
// remove trailing whitespace at end of lines
// remove leading whitespace for compat with older versions of OpenPGP.js
@ -239,7 +240,10 @@ function dearmor(input) {
} else {
verifyHeaders(lastHeaders);
headersDone = true;
if (textDone || type !== 2) resolve({ text, data, headers, type });
if (textDone || type !== 2) {
resolve({ text, data, headers, type });
resolved = true;
}
}
} else if (!textDone && type === 2) {
if (!reSplit.test(line)) {
@ -255,15 +259,23 @@ function dearmor(input) {
} else {
if (!reSplit.test(line)) {
if (line[0] !== '=') {
writer.write(line);
await writer.write(line);
} else {
checksum = line.substr(1);
}
} else {
writer.close();
await writer.close();
break;
}
}
} catch(e) {
if (resolved) {
await writer.abort(e);
} else {
reject(e);
}
break;
}
}
}));
data = stream.transformPair(data, async (readable, writable) => {
@ -275,10 +287,10 @@ function dearmor(input) {
const writer = stream.getWriter(writable);
await writer.ready;
if (checksum !== checksumVerifiedString && (checksum || config.checksum_required)) {
writer.abort(new Error("Ascii armor integrity check on message failed: '" + checksum + "' should be '" +
await writer.abort(new Error("Ascii armor integrity check on message failed: '" + checksum + "' should be '" +
checksumVerifiedString + "'"));
} else {
writer.close();
await writer.close();
}
});
} catch(e) {

View File

@ -38,6 +38,7 @@ function List() {
List.prototype.read = async function (bytes) {
this.stream = stream.transformPair(bytes, async (readable, writable) => {
const writer = stream.getWriter(writable);
try {
while (true) {
await writer.ready;
const done = await packetParser.read(readable, async parsed => {
@ -53,17 +54,20 @@ List.prototype.read = async function (bytes) {
parsed.tag === enums.packet.symmetricallyEncrypted ||
parsed.tag === enums.packet.literal ||
parsed.tag === enums.packet.compressed) {
writer.abort(e);
await writer.abort(e);
}
util.print_debug_error(e);
}
});
if (done) {
await writer.ready;
writer.close();
await writer.close();
return;
}
}
} catch(e) {
await writer.abort(e);
}
});
// Wait until first few packets have been read

View File

@ -147,6 +147,7 @@ SymEncryptedAEADProtected.prototype.crypt = async function (fn, key, data) {
return stream.transformPair(data, async (readable, writable) => {
const reader = stream.getReader(readable);
const writer = stream.getWriter(writable);
try {
while (true) {
await writer.ready;
let chunk = await reader.readBytes(chunkSize + tagLengthIfDecrypting) || new Uint8Array();
@ -168,8 +169,8 @@ SymEncryptedAEADProtected.prototype.crypt = async function (fn, key, data) {
cryptedBytes += chunk.length - tagLengthIfDecrypting;
queuedBytes += chunk.length - tagLengthIfDecrypting;
// eslint-disable-next-line no-loop-func
latestPromise = latestPromise.then(() => cryptedPromise).then(crypted => {
writer.write(crypted);
latestPromise = latestPromise.then(() => cryptedPromise).then(async crypted => {
await writer.write(crypted);
queuedBytes -= chunk.length;
}).catch(err => writer.abort(err));
// console.log(fn, done, queuedBytes, writer.desiredSize);
@ -179,10 +180,13 @@ SymEncryptedAEADProtected.prototype.crypt = async function (fn, key, data) {
if (!done) {
adataView.setInt32(5 + 4, ++chunkIndex); // Should be setInt64(5, ...)
} else {
writer.close();
await writer.close();
break;
}
}
} catch(e) {
await writer.abort(e);
}
});
} else {
return modeInstance[fn](await stream.readToEnd(data), this.iv);

View File

@ -53,7 +53,7 @@ async function pipe(input, target, options) {
}
writer.releaseLock();
}
return input.pipeTo(target, options);
return input.pipeTo(target, options).catch(function() {});
}
function transformRaw(input, options) {
@ -125,22 +125,13 @@ function transformPair(input, fn) {
}
});
const canceledErr = new Error('Readable side was canceled.');
const pipeDonePromise = pipe(input, incoming.writable).catch(e => {
if (e !== canceledErr) {
throw e;
}
});
const pipeDonePromise = pipe(input, incoming.writable);
const outgoing = transformWithCancel(async function() {
incomingTransformController.error(canceledErr);
incomingTransformController.error(new Error('Readable side was canceled.'));
await pipeDonePromise;
});
Promise.resolve(fn(incoming.readable, outgoing.writable)).catch(e => {
if (e !== canceledErr) {
throw e;
}
});
fn(incoming.readable, outgoing.writable);
return outgoing.readable;
}
@ -183,6 +174,7 @@ function passiveClone(input) {
const transformed = transformPair(input, async (readable, writable) => {
const reader = getReader(readable);
const writer = getWriter(writable);
try {
while (true) {
await writer.ready;
const { done, value } = await reader.read();
@ -194,6 +186,9 @@ function passiveClone(input) {
try { controller.enqueue(value); } catch(e) {}
await writer.write(value);
}
} catch(e) {
await writer.abort(e);
}
});
overwrite(input, transformed);
}

View File

@ -416,11 +416,7 @@ describe('Streaming', function() {
let plaintext = [];
let i = 0;
let canceled = false;
let controller;
const data = new ReadableStream({
start(_controller) {
controller = _controller;
},
async pull(controller) {
await new Promise(setTimeout);
if (i++ < 10) {
@ -435,16 +431,22 @@ describe('Streaming', function() {
canceled = true;
}
});
data.controller = controller;
const transformed = stream.transformPair(stream.slice(data, 0, 5000), async (readable, writable) => {
const reader = stream.getReader(readable);
const writer = stream.getWriter(writable);
try {
while (true) {
await writer.ready;
const { done, value } = await reader.read();
if (done) return writer.close();
writer.write(value);
if (done) {
await writer.close();
break;
}
await writer.write(value);
}
} catch(e) {
await writer.abort(e);
}
});
await new Promise(resolve => setTimeout(resolve));