diff options
Diffstat (limited to 'javascript/olm_inbound_group_session.js')
| -rw-r--r-- | javascript/olm_inbound_group_session.js | 180 |
1 files changed, 0 insertions, 180 deletions
diff --git a/javascript/olm_inbound_group_session.js b/javascript/olm_inbound_group_session.js deleted file mode 100644 index 423d2b1..0000000 --- a/javascript/olm_inbound_group_session.js +++ /dev/null @@ -1,180 +0,0 @@ -function InboundGroupSession() { - var size = Module['_olm_inbound_group_session_size'](); - this.buf = malloc(size); - this.ptr = Module['_olm_inbound_group_session'](this.buf); -} - -function inbound_group_session_method(wrapped) { - return function() { - var result = wrapped.apply(this, arguments); - if (result === OLM_ERROR) { - var message = UTF8ToString( - Module['_olm_inbound_group_session_last_error'](arguments[0]) - ); - throw new Error("OLM." + message); - } - return result; - } -} - -InboundGroupSession.prototype['free'] = function() { - Module['_olm_clear_inbound_group_session'](this.ptr); - free(this.ptr); -} - -InboundGroupSession.prototype['pickle'] = restore_stack(function(key) { - var key_array = array_from_string(key); - var pickle_length = inbound_group_session_method( - Module['_olm_pickle_inbound_group_session_length'] - )(this.ptr); - var key_buffer = stack(key_array); - var pickle_buffer = stack(pickle_length + NULL_BYTE_PADDING_LENGTH); - try { - inbound_group_session_method(Module['_olm_pickle_inbound_group_session'])( - this.ptr, key_buffer, key_array.length, pickle_buffer, pickle_length - ); - } finally { - // clear out copies of the pickle key - bzero(key_buffer, key_array.length) - for (var i = 0; i < key_array.length; i++) { - key_array[i] = 0; - } - } - return UTF8ToString(pickle_buffer, pickle_length); -}); - -InboundGroupSession.prototype['unpickle'] = restore_stack(function(key, pickle) { - var key_array = array_from_string(key); - var key_buffer = stack(key_array); - var pickle_array = array_from_string(pickle); - var pickle_buffer = stack(pickle_array); - try { - inbound_group_session_method(Module['_olm_unpickle_inbound_group_session'])( - this.ptr, key_buffer, key_array.length, pickle_buffer, - pickle_array.length - ); - } finally { - // clear out copies of the pickle key - bzero(key_buffer, key_array.length) - for (var i = 0; i < key_array.length; i++) { - key_array[i] = 0; - } - } -}); - -InboundGroupSession.prototype['create'] = restore_stack(function(session_key) { - var key_array = array_from_string(session_key); - var key_buffer = stack(key_array); - - try { - inbound_group_session_method(Module['_olm_init_inbound_group_session'])( - this.ptr, key_buffer, key_array.length - ); - } finally { - // clear out copies of the key - bzero(key_buffer, key_array.length) - for (var i = 0; i < key_array.length; i++) { - key_array[i] = 0; - } - } -}); - -InboundGroupSession.prototype['import_session'] = restore_stack(function(session_key) { - var key_array = array_from_string(session_key); - var key_buffer = stack(key_array); - - try { - inbound_group_session_method(Module['_olm_import_inbound_group_session'])( - this.ptr, key_buffer, key_array.length - ); - } finally { - // clear out copies of the key - bzero(key_buffer, key_array.length) - for (var i = 0; i < key_array.length; i++) { - key_array[i] = 0; - } - } -}); - -InboundGroupSession.prototype['decrypt'] = restore_stack(function( - message -) { - var message_buffer, plaintext_buffer, plaintext_length; - - try { - message_buffer = malloc(message.length); - 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. - writeAsciiToMemory(message, message_buffer, true); - - plaintext_buffer = malloc(max_plaintext_length + NULL_BYTE_PADDING_LENGTH); - var message_index = stack(4); - - plaintext_length = inbound_group_session_method( - Module["_olm_group_decrypt"] - )( - this.ptr, - message_buffer, message.length, - plaintext_buffer, max_plaintext_length, - message_index - ); - - // UTF8ToString requires a null-terminated argument, so add the - // null terminator. - setValue( - plaintext_buffer+plaintext_length, - 0, "i8" - ); - - return { - "plaintext": UTF8ToString(plaintext_buffer, plaintext_length), - "message_index": getValue(message_index, "i32") - } - } finally { - if (message_buffer !== undefined) { - free(message_buffer); - } - if (plaintext_buffer !== undefined) { - // don't leave a copy of the plaintext in the heap. - bzero(plaintext_buffer, plaintext_length); - free(plaintext_buffer); - } - } -}); - -InboundGroupSession.prototype['session_id'] = restore_stack(function() { - var length = inbound_group_session_method( - Module['_olm_inbound_group_session_id_length'] - )(this.ptr); - var session_id = stack(length + NULL_BYTE_PADDING_LENGTH); - inbound_group_session_method(Module['_olm_inbound_group_session_id'])( - this.ptr, session_id, length - ); - return UTF8ToString(session_id, length); -}); - -InboundGroupSession.prototype['first_known_index'] = restore_stack(function() { - return inbound_group_session_method( - Module['_olm_inbound_group_session_first_known_index'] - )(this.ptr); -}); - -InboundGroupSession.prototype['export_session'] = restore_stack(function(message_index) { - var key_length = inbound_group_session_method( - Module['_olm_export_inbound_group_session_length'] - )(this.ptr); - var key = stack(key_length + NULL_BYTE_PADDING_LENGTH); - outbound_group_session_method(Module['_olm_export_inbound_group_session'])( - this.ptr, key, key_length, message_index - ); - var key_str = UTF8ToString(key, key_length); - bzero(key, key_length); // clear out a copy of the key - return key_str; -}); - -olm_exports['InboundGroupSession'] = InboundGroupSession; |