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-rw-r--r--javascript/.gitignore1
-rw-r--r--javascript/externs.js4
-rw-r--r--javascript/olm_inbound_group_session.js14
-rw-r--r--javascript/olm_outbound_group_session.js15
-rw-r--r--javascript/olm_pk.js52
-rw-r--r--javascript/olm_post.js59
-rw-r--r--javascript/olm_pre.js34
-rw-r--r--javascript/olm_prefix.js3
-rw-r--r--javascript/olm_suffix.js30
-rw-r--r--javascript/package.json1
-rw-r--r--javascript/test/megolm.spec.js11
-rw-r--r--javascript/test/olm.spec.js18
-rw-r--r--javascript/test/pk.spec.js24
13 files changed, 169 insertions, 97 deletions
diff --git a/javascript/.gitignore b/javascript/.gitignore
index ec22345..3437f73 100644
--- a/javascript/.gitignore
+++ b/javascript/.gitignore
@@ -2,4 +2,5 @@
/node_modules
/npm-debug.log
/olm.js
+/olm.wasm
/reports
diff --git a/javascript/externs.js b/javascript/externs.js
new file mode 100644
index 0000000..752e937
--- /dev/null
+++ b/javascript/externs.js
@@ -0,0 +1,4 @@
+var OLM_OPTIONS;
+var olm_exports;
+var onInitSuccess;
+var onInitFail;
diff --git a/javascript/olm_inbound_group_session.js b/javascript/olm_inbound_group_session.js
index 6bc745d..7d9e401 100644
--- a/javascript/olm_inbound_group_session.js
+++ b/javascript/olm_inbound_group_session.js
@@ -1,9 +1,3 @@
-/* The 'length' argument to Pointer_stringify doesn't work if the input includes
- * characters >= 128; we therefore need to add a NULL character to all of our
- * strings. This acts as a symbolic constant to help show what we're doing.
- */
-var NULL_BYTE_PADDING_LENGTH = 1;
-
function InboundGroupSession() {
var size = Module['_olm_inbound_group_session_size']();
this.buf = malloc(size);
@@ -77,14 +71,14 @@ InboundGroupSession.prototype['decrypt'] = restore_stack(function(
try {
message_buffer = malloc(message.length);
- Module['writeAsciiToMemory'](message, message_buffer, true);
+ writeAsciiToMemory(message, message_buffer, true);
var max_plaintext_length = inbound_group_session_method(
Module['_olm_group_decrypt_max_plaintext_length']
)(this.ptr, message_buffer, message.length);
// caculating the length destroys the input buffer, so we need to re-copy it.
- Module['writeAsciiToMemory'](message, message_buffer, true);
+ writeAsciiToMemory(message, message_buffer, true);
plaintext_buffer = malloc(max_plaintext_length + NULL_BYTE_PADDING_LENGTH);
var message_index = stack(4);
@@ -100,14 +94,14 @@ InboundGroupSession.prototype['decrypt'] = restore_stack(function(
// UTF8ToString requires a null-terminated argument, so add the
// null terminator.
- Module['setValue'](
+ setValue(
plaintext_buffer+plaintext_length,
0, "i8"
);
return {
"plaintext": UTF8ToString(plaintext_buffer),
- "message_index": Module['getValue'](message_index, "i32")
+ "message_index": getValue(message_index, "i32")
}
} finally {
if (message_buffer !== undefined) {
diff --git a/javascript/olm_outbound_group_session.js b/javascript/olm_outbound_group_session.js
index 24ea644..e232883 100644
--- a/javascript/olm_outbound_group_session.js
+++ b/javascript/olm_outbound_group_session.js
@@ -1,10 +1,3 @@
-/* The 'length' argument to Pointer_stringify doesn't work if the input includes
- * characters >= 128; we therefore need to add a NULL character to all of our
- * strings. This acts as a symbolic constant to help show what we're doing.
- */
-var NULL_BYTE_PADDING_LENGTH = 1;
-
-
function OutboundGroupSession() {
var size = Module['_olm_outbound_group_session_size']();
this.buf = malloc(size);
@@ -66,7 +59,7 @@ OutboundGroupSession.prototype['create'] = restore_stack(function() {
OutboundGroupSession.prototype['encrypt'] = function(plaintext) {
var plaintext_buffer, message_buffer, plaintext_length;
try {
- plaintext_length = Module['lengthBytesUTF8'](plaintext);
+ plaintext_length = lengthBytesUTF8(plaintext);
var message_length = outbound_group_session_method(
Module['_olm_group_encrypt_message_length']
@@ -75,7 +68,7 @@ OutboundGroupSession.prototype['encrypt'] = function(plaintext) {
// need to allow space for the terminator (which stringToUTF8 always
// writes), hence + 1.
plaintext_buffer = malloc(plaintext_length + 1);
- Module['stringToUTF8'](plaintext, plaintext_buffer, plaintext_length + 1);
+ stringToUTF8(plaintext, plaintext_buffer, plaintext_length + 1);
message_buffer = malloc(message_length + NULL_BYTE_PADDING_LENGTH);
outbound_group_session_method(Module['_olm_group_encrypt'])(
@@ -86,12 +79,12 @@ OutboundGroupSession.prototype['encrypt'] = function(plaintext) {
// UTF8ToString requires a null-terminated argument, so add the
// null terminator.
- Module['setValue'](
+ setValue(
message_buffer+message_length,
0, "i8"
);
- return Module['UTF8ToString'](message_buffer);
+ return UTF8ToString(message_buffer);
} finally {
if (plaintext_buffer !== undefined) {
// don't leave a copy of the plaintext in the heap.
diff --git a/javascript/olm_pk.js b/javascript/olm_pk.js
index 407eaf1..4f730dd 100644
--- a/javascript/olm_pk.js
+++ b/javascript/olm_pk.js
@@ -35,9 +35,9 @@ PkEncryption.prototype['encrypt'] = restore_stack(function(
) {
var plaintext_buffer, ciphertext_buffer, plaintext_length;
try {
- plaintext_length = Module['lengthBytesUTF8'](plaintext)
+ plaintext_length = lengthBytesUTF8(plaintext)
plaintext_buffer = malloc(plaintext_length + 1);
- Module['stringToUTF8'](plaintext, plaintext_buffer, plaintext_length + 1);
+ stringToUTF8(plaintext, plaintext_buffer, plaintext_length + 1);
var random_length = pk_encryption_method(
Module['_olm_pk_encrypt_random_length']
)();
@@ -50,7 +50,7 @@ PkEncryption.prototype['encrypt'] = restore_stack(function(
Module['_olm_pk_mac_length']
)(this.ptr);
var mac_buffer = stack(mac_length + NULL_BYTE_PADDING_LENGTH);
- Module['setValue'](
+ setValue(
mac_buffer + mac_length,
0, "i8"
);
@@ -58,7 +58,7 @@ PkEncryption.prototype['encrypt'] = restore_stack(function(
Module['_olm_pk_key_length']
)();
var ephemeral_buffer = stack(ephemeral_length + NULL_BYTE_PADDING_LENGTH);
- Module['setValue'](
+ setValue(
ephemeral_buffer + ephemeral_length,
0, "i8"
);
@@ -72,12 +72,12 @@ PkEncryption.prototype['encrypt'] = restore_stack(function(
);
// UTF8ToString requires a null-terminated argument, so add the
// null terminator.
- Module['setValue'](
+ setValue(
ciphertext_buffer + ciphertext_length,
0, "i8"
);
return {
- "ciphertext": Module['UTF8ToString'](ciphertext_buffer),
+ "ciphertext": UTF8ToString(ciphertext_buffer),
"mac": Pointer_stringify(mac_buffer),
"ephemeral": Pointer_stringify(ephemeral_buffer)
};
@@ -118,16 +118,32 @@ PkDecryption.prototype['free'] = function() {
free(this.ptr);
}
+PkDecryption.prototype['init_with_private_key'] = restore_stack(function (private_key) {
+ var private_key_buffer = stack(private_key.length);
+ Module['HEAPU8'].set(private_key, private_key_buffer);
+
+ var pubkey_length = pk_decryption_method(
+ Module['_olm_pk_key_length']
+ )();
+ var pubkey_buffer = stack(pubkey_length + NULL_BYTE_PADDING_LENGTH);
+ pk_decryption_method(Module['_olm_pk_key_from_private'])(
+ this.ptr,
+ pubkey_buffer, pubkey_length,
+ private_key_buffer, private_key.length
+ );
+ return Pointer_stringify(pubkey_buffer);
+});
+
PkDecryption.prototype['generate_key'] = restore_stack(function () {
var random_length = pk_decryption_method(
- Module['_olm_pk_generate_key_random_length']
+ Module['_olm_pk_private_key_length']
)();
var random_buffer = random_stack(random_length);
var pubkey_length = pk_decryption_method(
Module['_olm_pk_key_length']
)();
var pubkey_buffer = stack(pubkey_length + NULL_BYTE_PADDING_LENGTH);
- pk_decryption_method(Module['_olm_pk_generate_key'])(
+ pk_decryption_method(Module['_olm_pk_key_from_private'])(
this.ptr,
pubkey_buffer, pubkey_length,
random_buffer, random_length
@@ -135,6 +151,18 @@ PkDecryption.prototype['generate_key'] = restore_stack(function () {
return Pointer_stringify(pubkey_buffer);
});
+PkDecryption.prototype['get_private_key'] = restore_stack(function () {
+ var privkey_length = pk_encryption_method(
+ Module['_olm_pk_private_key_length']
+ )();
+ var privkey_buffer = stack(privkey_length);
+ pk_decryption_method(Module['_olm_pk_get_private_key'])(
+ this.ptr,
+ privkey_buffer, privkey_length
+ );
+ return new Uint8Array(Module['HEAPU8'].buffer, privkey_buffer, privkey_length);
+});
+
PkDecryption.prototype['pickle'] = restore_stack(function (key) {
var key_array = array_from_string(key);
var pickle_length = pk_decryption_method(
@@ -169,9 +197,9 @@ PkDecryption.prototype['decrypt'] = restore_stack(function (
) {
var plaintext_buffer, ciphertext_buffer, plaintext_max_length;
try {
- ciphertext_length = Module['lengthBytesUTF8'](ciphertext)
+ var ciphertext_length = lengthBytesUTF8(ciphertext)
ciphertext_buffer = malloc(ciphertext_length + 1);
- Module['stringToUTF8'](ciphertext, ciphertext_buffer, ciphertext_length + 1);
+ stringToUTF8(ciphertext, ciphertext_buffer, ciphertext_length + 1);
var ephemeralkey_array = array_from_string(ephemeral_key);
var ephemeralkey_buffer = stack(ephemeralkey_array);
var mac_array = array_from_string(mac);
@@ -190,11 +218,11 @@ PkDecryption.prototype['decrypt'] = restore_stack(function (
);
// UTF8ToString requires a null-terminated argument, so add the
// null terminator.
- Module['setValue'](
+ setValue(
plaintext_buffer + plaintext_length,
0, "i8"
);
- return Module['UTF8ToString'](plaintext_buffer);
+ return UTF8ToString(plaintext_buffer);
} finally {
if (plaintext_buffer !== undefined) {
// don't leave a copy of the plaintext in the heap.
diff --git a/javascript/olm_post.js b/javascript/olm_post.js
index 7a1d284..fffffad 100644
--- a/javascript/olm_post.js
+++ b/javascript/olm_post.js
@@ -1,27 +1,17 @@
-var runtime = Module['Runtime'];
var malloc = Module['_malloc'];
var free = Module['_free'];
-var Pointer_stringify = Module['Pointer_stringify'];
-var OLM_ERROR = Module['_olm_error']();
-
-/* The 'length' argument to Pointer_stringify doesn't work if the input
- * includes characters >= 128, which makes Pointer_stringify unreliable. We
- * could use it on strings which are known to be ascii, but that seems
- * dangerous. Instead we add a NULL character to all of our strings and just
- * use UTF8ToString.
- */
-var NULL_BYTE_PADDING_LENGTH = 1;
+var OLM_ERROR;
/* allocate a number of bytes of storage on the stack.
*
* If size_or_array is a Number, allocates that number of zero-initialised bytes.
*/
function stack(size_or_array) {
- return Module['allocate'](size_or_array, 'i8', Module['ALLOC_STACK']);
+ return allocate(size_or_array, 'i8', Module['ALLOC_STACK']);
}
function array_from_string(string) {
- return Module['intArrayFromString'](string, true);
+ return intArrayFromString(string, true);
}
function random_stack(size) {
@@ -33,11 +23,11 @@ function random_stack(size) {
function restore_stack(wrapped) {
return function() {
- var sp = runtime.stackSave();
+ var sp = stackSave();
try {
return wrapped.apply(this, arguments);
} finally {
- runtime.stackRestore(sp);
+ stackRestore(sp);
}
}
}
@@ -315,7 +305,7 @@ Session.prototype['encrypt'] = restore_stack(function(
Module['_olm_encrypt_message_type']
)(this.ptr);
- plaintext_length = Module['lengthBytesUTF8'](plaintext);
+ plaintext_length = lengthBytesUTF8(plaintext);
var message_length = session_method(
Module['_olm_encrypt_message_length']
)(this.ptr, plaintext_length);
@@ -325,7 +315,7 @@ Session.prototype['encrypt'] = restore_stack(function(
// need to allow space for the terminator (which stringToUTF8 always
// writes), hence + 1.
plaintext_buffer = malloc(plaintext_length + 1);
- Module['stringToUTF8'](plaintext, plaintext_buffer, plaintext_length + 1);
+ stringToUTF8(plaintext, plaintext_buffer, plaintext_length + 1);
message_buffer = malloc(message_length + NULL_BYTE_PADDING_LENGTH);
@@ -338,14 +328,14 @@ Session.prototype['encrypt'] = restore_stack(function(
// UTF8ToString requires a null-terminated argument, so add the
// null terminator.
- Module['setValue'](
+ setValue(
message_buffer+message_length,
0, "i8"
);
return {
"type": message_type,
- "body": Module['UTF8ToString'](message_buffer),
+ "body": UTF8ToString(message_buffer),
};
} finally {
if (plaintext_buffer !== undefined) {
@@ -366,14 +356,14 @@ Session.prototype['decrypt'] = restore_stack(function(
try {
message_buffer = malloc(message.length);
- Module['writeAsciiToMemory'](message, message_buffer, true);
+ writeAsciiToMemory(message, message_buffer, true);
max_plaintext_length = session_method(
Module['_olm_decrypt_max_plaintext_length']
)(this.ptr, message_type, message_buffer, message.length);
// caculating the length destroys the input buffer, so we need to re-copy it.
- Module['writeAsciiToMemory'](message, message_buffer, true);
+ writeAsciiToMemory(message, message_buffer, true);
plaintext_buffer = malloc(max_plaintext_length + NULL_BYTE_PADDING_LENGTH);
@@ -385,7 +375,7 @@ Session.prototype['decrypt'] = restore_stack(function(
// UTF8ToString requires a null-terminated argument, so add the
// null terminator.
- Module['setValue'](
+ setValue(
plaintext_buffer+plaintext_length,
0, "i8"
);
@@ -474,21 +464,12 @@ olm_exports["get_library_version"] = restore_stack(function() {
];
});
-})();
-
-// export the olm functions into the environment.
-//
-// make sure that we do this *after* populating olm_exports, so that we don't
-// get a half-built window.Olm if there is an exception.
-
-if (typeof module !== 'undefined' && module.exports) {
- // node / browserify
- module.exports = olm_exports;
-}
+Module['onRuntimeInitialized'] = function() {
+ OLM_ERROR = Module['_olm_error']();
+ olm_exports["PRIVATE_KEY_LENGTH"] = Module['_olm_pk_private_key_length']();
+ if (onInitSuccess) onInitSuccess();
+};
-if (typeof(window) !== 'undefined') {
- // We've been imported directly into a browser. Define the global 'Olm' object.
- // (we do this even if module.exports was defined, because it's useful to have
- // Olm in the global scope for browserified and webpacked apps.)
- window["Olm"] = olm_exports;
-}
+Module['onAbort'] = function(err) {
+ if (onInitFail) onInitFail(err);
+};
diff --git a/javascript/olm_pre.js b/javascript/olm_pre.js
index ae7aba5..4feff97 100644
--- a/javascript/olm_pre.js
+++ b/javascript/olm_pre.js
@@ -1,10 +1,7 @@
-var olm_exports = {};
var get_random_values;
-var process; // Shadow the process object so that emscripten won't get
- // confused by browserify
if (typeof(window) !== 'undefined') {
- // We've in a browser (directly, via browserify, or via webpack).
+ // We're in a browser (directly, via browserify, or via webpack).
get_random_values = function(buf) {
window.crypto.getRandomValues(buf);
};
@@ -12,7 +9,9 @@ if (typeof(window) !== 'undefined') {
// We're running in node.
var nodeCrypto = require("crypto");
get_random_values = function(buf) {
- var bytes = nodeCrypto.randomBytes(buf.length);
+ // [''] syntax needed here rather than '.' to prevent
+ // closure compiler from mangling the import(!)
+ var bytes = nodeCrypto['randomBytes'](buf.length);
buf.set(bytes);
};
process = global["process"];
@@ -20,14 +19,21 @@ if (typeof(window) !== 'undefined') {
throw new Error("Cannot find global to attach library to");
}
-(function() {
- /* applications should define OLM_OPTIONS in the environment to override
- * emscripten module settings */
- var Module = {};
- if (typeof(OLM_OPTIONS) !== 'undefined') {
- for (var key in OLM_OPTIONS) {
- if (OLM_OPTIONS.hasOwnProperty(key)) {
- Module[key] = OLM_OPTIONS[key];
- }
+/* applications should define OLM_OPTIONS in the environment to override
+ * emscripten module settings
+ */
+if (typeof(OLM_OPTIONS) !== 'undefined') {
+ for (var olm_option_key in OLM_OPTIONS) {
+ if (OLM_OPTIONS.hasOwnProperty(olm_option_key)) {
+ Module[olm_option_key] = OLM_OPTIONS[olm_option_key];
}
}
+}
+
+/* The 'length' argument to Pointer_stringify doesn't work if the input
+ * includes characters >= 128, which makes Pointer_stringify unreliable. We
+ * could use it on strings which are known to be ascii, but that seems
+ * dangerous. Instead we add a NULL character to all of our strings and just
+ * use UTF8ToString.
+ */
+var NULL_BYTE_PADDING_LENGTH = 1;
diff --git a/javascript/olm_prefix.js b/javascript/olm_prefix.js
new file mode 100644
index 0000000..b33dfe9
--- /dev/null
+++ b/javascript/olm_prefix.js
@@ -0,0 +1,3 @@
+var olm_exports = {};
+var onInitSuccess;
+var onInitFail;
diff --git a/javascript/olm_suffix.js b/javascript/olm_suffix.js
new file mode 100644
index 0000000..7f19953
--- /dev/null
+++ b/javascript/olm_suffix.js
@@ -0,0 +1,30 @@
+var olmInitPromise;
+
+olm_exports['init'] = function(opts) {
+ if (olmInitPromise) return olmInitPromise;
+
+ if (opts) OLM_OPTIONS = opts;
+
+ olmInitPromise = new Promise(function(resolve, reject) {
+ onInitSuccess = function() {
+ resolve();
+ };
+ onInitFail = function(err) {
+ reject(err);
+ };
+ Module();
+ });
+ return olmInitPromise;
+};
+
+if (typeof(window) !== 'undefined') {
+ // We've been imported directly into a browser. Define the global 'Olm' object.
+ // (we do this even if module.exports was defined, because it's useful to have
+ // Olm in the global scope for browserified and webpacked apps.)
+ window["Olm"] = olm_exports;
+}
+
+// Emscripten sets the module exports to be its module
+// with wrapped c functions. Clobber it with our higher
+// level wrapper class.
+module.exports = olm_exports;
diff --git a/javascript/package.json b/javascript/package.json
index 9cae60e..efe3705 100644
--- a/javascript/package.json
+++ b/javascript/package.json
@@ -5,6 +5,7 @@
"main": "olm.js",
"files": [
"olm.js",
+ "olm.wasm",
"README.md"
],
"scripts": {
diff --git a/javascript/test/megolm.spec.js b/javascript/test/megolm.spec.js
index 8f9d24a..241d4bd 100644
--- a/javascript/test/megolm.spec.js
+++ b/javascript/test/megolm.spec.js
@@ -1,5 +1,6 @@
/*
Copyright 2016 OpenMarket Ltd
+Copyright 2018 New Vector Ltd
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
@@ -21,9 +22,13 @@ var Olm = require('../olm');
describe("megolm", function() {
var aliceSession, bobSession;
- beforeEach(function() {
- aliceSession = new Olm.OutboundGroupSession();
- bobSession = new Olm.InboundGroupSession();
+ beforeEach(function(done) {
+ Olm.init().then(function() {
+ aliceSession = new Olm.OutboundGroupSession();
+ bobSession = new Olm.InboundGroupSession();
+
+ done();
+ });
});
afterEach(function() {
diff --git a/javascript/test/olm.spec.js b/javascript/test/olm.spec.js
index b7cc3ae..77dd712 100644
--- a/javascript/test/olm.spec.js
+++ b/javascript/test/olm.spec.js
@@ -1,5 +1,6 @@
/*
Copyright 2016 OpenMarket Ltd
+Copyright 2018 New Vector Ltd
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
@@ -30,11 +31,18 @@ describe("olm", function() {
var aliceAccount, bobAccount;
var aliceSession, bobSession;
- beforeEach(function() {
- aliceAccount = new Olm.Account();
- bobAccount = new Olm.Account();
- aliceSession = new Olm.Session();
- bobSession = new Olm.Session();
+ beforeEach(function(done) {
+ // This should really be in a beforeAll, but jasmine-node
+ // doesn't support that
+ debugger;
+ Olm.init().then(function() {
+ aliceAccount = new Olm.Account();
+ bobAccount = new Olm.Account();
+ aliceSession = new Olm.Session();
+ bobSession = new Olm.Session();
+
+ done();
+ });
});
afterEach(function() {
diff --git a/javascript/test/pk.spec.js b/javascript/test/pk.spec.js
index 0b27470..b4b119e 100644
--- a/javascript/test/pk.spec.js
+++ b/javascript/test/pk.spec.js
@@ -21,9 +21,13 @@ var Olm = require('../olm');
describe("pk", function() {
var encryption, decryption;
- beforeEach(function() {
- encryption = new Olm.PkEncryption();
- decryption = new Olm.PkDecryption();
+ beforeEach(function(done) {
+ Olm.init().then(function() {
+ encryption = new Olm.PkEncryption();
+ decryption = new Olm.PkDecryption();
+
+ done();
+ });
});
afterEach(function () {
@@ -37,6 +41,20 @@ describe("pk", function() {
}
});
+ it('should import & export keys from private parts', function () {
+ var alice_private = new Uint8Array([
+ 0x77, 0x07, 0x6D, 0x0A, 0x73, 0x18, 0xA5, 0x7D,
+ 0x3C, 0x16, 0xC1, 0x72, 0x51, 0xB2, 0x66, 0x45,
+ 0xDF, 0x4C, 0x2F, 0x87, 0xEB, 0xC0, 0x99, 0x2A,
+ 0xB1, 0x77, 0xFB, 0xA5, 0x1D, 0xB9, 0x2C, 0x2A
+ ]);
+ var alice_public = decryption.init_with_private_key(alice_private);
+ expect(alice_public).toEqual("hSDwCYkwp1R0i33ctD73Wg2/Og0mOBr066SpjqqbTmo");
+
+ var alice_private_out = decryption.get_private_key();
+ expect(alice_private_out).toEqual(alice_private);
+ });
+
it('should encrypt and decrypt', function () {
var TEST_TEXT='têst1';
var pubkey = decryption.generate_key();
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 02:14:29 +0000