working on storing user keys

master
Vyacheslav Boyko 2018-12-28 19:07:23 +03:00
parent fc590346be
commit 99217b4af2
1 changed files with 148 additions and 49 deletions

View File

@ -12,14 +12,19 @@
(function() {
var username = '';
var _username = '';
var _keyset = [];
var publicKey = '';
/*
var publicKey = `-----BEGIN PUBLIC KEY-----
MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDlOJu6TyygqxfWT7eLtGDwajtN
FOb9I5XRb6khyfD1Yt3YiCgQWMNW649887VGJiGr/L5i2osbl8C9+WJTeucF+S76
xFxdU6jE0NQ+Z+zEdhUTooNRaY5nZiu5PgDB0ED/ZKBUSLKL7eibMxZtMlUDHjm4
gwQco1KRMDSmXSMkDwIDAQAB
-----END PUBLIC KEY-----`;
*/
var privateKey = `-----BEGIN RSA PRIVATE KEY-----
MIICXQIBAAKBgQDlOJu6TyygqxfWT7eLtGDwajtNFOb9I5XRb6khyfD1Yt3YiCgQ
@ -37,7 +42,29 @@ psLBYuApa66NcVHJpCECQQDTjI2AQhFc1yRnCU/YgDnSpJVm1nASoRUnU8Jfm3Oz
uku7JUXcVpt08DFSceCEX9unCuMcT72rAQlLpdZir876
-----END RSA PRIVATE KEY-----`;
var encryptedRegexp = /\[ENCRYPTED\]([\s\S]+)\[\/ENCRYPTED\]/mgi;
var getAllowedUsers = function() {
var users = [];
if (_keyset) {
for (var userkey in _keyset) {
if (!users[_keyset[userkey]['user']]) {
users.push(_keyset[userkey]['user']);
}
}
}
return users;
}
var getUserKey = function(user) {
for (var userkey in _keyset) {
if (_keyset[userkey]['user'] && _keyset[userkey]['user'] === user) {
return _keyset[userkey]['key'];
}
}
return '';
}
var insertText = function(textarea, text) {
@ -59,84 +86,151 @@ uku7JUXcVpt08DFSceCEX9unCuMcT72rAQlLpdZir876
var author = $(messageTag).find('.sign a[itemprop="creator"]').text();
if (msg && msg.length && author.trim() != '') {
var encryptedRegexp = /(\[ENCRYPTED\][\s\S]+\[\/ENCRYPTED\])+?/mi;
var encryptedMsgRegexp = /\[ENCRYPTED\]([\s\S]+)\[\/ENCRYPTED\]/mi;
Array.prototype.forEach.call(msg, function(p) {
var msg = p.innerText;
if (msg.trim() != '' && encryptedRegexp.test(msg)) {
msg = msg.replace(encryptedRegexp, '$1').trim();
var result = msg.match(encryptedRegexp);
if (result && result.length >= 1) {
var decrypt = new JSEncrypt.JSEncrypt();
decrypt.setPrivateKey(privateKey);
for (var i=1; i<result.length; i++) {
var encBlock = result[i];
if (encBlock && encryptedMsgRegexp.test(encBlock)) {
var resultMsg = encBlock.match(encryptedMsgRegexp);
if (resultMsg && resultMsg.length) {
var decrypt = new JSEncrypt.JSEncrypt();
decrypt.setPrivateKey(privateKey);
var decryptedMsg = decrypt.decrypt(resultMsg[1]);
msg = msg.replace(encBlock, '[DECRYPTED]'+decryptedMsg+'[/DECRYTED]');
}
}
}
}
var decryptedMsg = decrypt.decrypt(msg);
p.innerText = '[DECRYPTED]'+decryptedMsg+'[/DECRYTED]';
}
p.innerText = msg;
});
}
}
var insertEncryptButton = function(textarea) {
var button = document.createElement('input');
button.type = 'button';
button.value = 'Encrypt it!';
textarea.parentNode.insertBefore(button, textarea.nextSibling);
var users = getAllowedUsers();
if (users && users.length) {
button.addEventListener('click', function() {
var button = document.createElement('input');
button.type = 'button';
button.value = 'Encrypt it!';
textarea.parentNode.insertBefore(button, textarea.nextSibling);
button.addEventListener('click', function() {
var startPos = textarea.selectionStart;
var endPos = textarea.selectionEnd;
var msg = textarea.value.substring(startPos, endPos);
var startPos = textarea.selectionStart;
var endPos = textarea.selectionEnd;
var msg = textarea.value.substring(startPos, endPos);
if (msg.trim() == '') {
alert('Nothing to encrypt! Please select text.');
return;
if (msg.trim() == '') {
alert('Nothing to encrypt! Please select text.');
return;
}
var userTag = document.getElementById("userCrypt");
var user = userTag.options[userTag.selectedIndex].value;
var userkey = getUserKey(user);
if (userkey.trim() == '') {
alert('You have not public key for user: '+user);
return;
}
var encrypt = new JSEncrypt.JSEncrypt();
encrypt.setPublicKey(userkey.trim());
var encryptMy = new JSEncrypt.JSEncrypt();
encryptMy.setPublicKey(publicKey.trim());
var encryptedMsg = encrypt.encrypt(msg);
var encryptedMsgMy = encryptMy.encrypt(msg);
insertText(textarea, '[ENCRYPTED]' + encryptedMsg + '[/ENCRYPTED]' + '[ENCRYPTED]' + encryptedMsgMy + '[/ENCRYPTED]');
});
var space = document.createElement("span");
space.innerHTML = '&nbsp;';
textarea.parentNode.insertBefore(space, button);
//Create and append select list
var selectList = document.createElement("select");
selectList.id = "userCrypt";
textarea.parentNode.insertBefore(selectList, space);
//Create and append the options
for (var i = 0; i < users.length; i++) {
var option = document.createElement("option");
option.value = users[i];
option.text = users[i];
selectList.appendChild(option);
}
var encrypt = new JSEncrypt.JSEncrypt();
encrypt.setPublicKey(publicKey);
var encryptedMsg = encrypt.encrypt(msg);
insertText(textarea, '\n\n[ENCRYPTED]' + encryptedMsg + '[/ENCRYPTED]\n\n');
});
var description = document.createElement('div');
description.innerHTML = 'Зашифровать выделенный текст';
textarea.parentNode.insertBefore(description, button);
var description = document.createElement('div');
description.innerHTML = 'Зашифровать выделенный текст';
textarea.parentNode.insertBefore(description, selectList);
}
}
var checkLoggedIn = function(callback) {
var regmenu = $('#regmenu');
if (regmenu && regmenu.length) {
username = '';
_username = '';
return;
}
var login = $('#loginGreating a').text();
if (login.trim() != '' && login.trim() != 'РегистрацияВход') {
username = login.trim();
callback();
_username = login.trim();
if (callback) {
callback();
}
}
}
var reloadUsersWithPublicKeys = function() {
$.get('http://127.0.0.1:8080/people/'+username+'/profile', function(data) {
var regexpKeyset = /\[USERKEYS\]([\s\S]+)\[\/USERKEYS\]/gi;
var regexpKey = /\[USERKEY user="(\w)"\]([\s\S]+)\[\/USERKEY\]/gi;
var readMyKeyset = function(callback) {
_keyset = [];
$.get('http://127.0.0.1:8080/people/'+_username+'/profile', function(data) {
var regexpKeysetMy = /\[PUBLICKEY\]([\s\S]+)\[\/PUBLICKEY\]/mi;
var regexpKeyset = /\[USERKEYS\]([\s\S]+)\[\/USERKEYS\]/mgi;
var regexpKey = /\[USERKEY user=(\w+)\]([\s\S]+)\[\/USERKEY\]/mi;
if (regexpKeysetMy.test(data)) {
var resultPublicKey = data.match(regexpKeysetMy);
if (resultPublicKey && resultPublicKey.length) {
publicKey = resultPublicKey[1];
}
}
if (regexpKeyset.test(data)) {
var resultKeyset = data.match(regexpKeyset);
if (resultKeyset.length > 1) {
var keyset = resultKeyset[1];
if (resultKeyset && resultKeyset.length) {
var keyset = resultKeyset[0];
if (regexpKey.test(keyset)) {
var resultKeys = keyset.match(regexpKey);
if (resultKeys.length > 1) {
for (var i=1; i < resultKeys.length; i++) {
var keyData = resultKey[i];
}
while (resultKeys && resultKeys.length > 1) {
_keyset.push({
'user' : resultKeys[1],
'key' : resultKeys[2]
});
keyset = keyset.replace(resultKeys[0], '');
resultKeys = keyset.match(regexpKey);
}
if (callback) {
callback();
}
}
}
@ -144,11 +238,22 @@ uku7JUXcVpt08DFSceCEX9unCuMcT72rAQlLpdZir876
});
}
var insertAllButtons = function() {
//create Encrypt button
var textareas = document.getElementsByTagName('textarea');
if (textareas && textareas.length) {
Array.prototype.forEach.call(textareas, insertEncryptButton);
}
}
window.addEventListener('load', function() {
checkLoggedIn(function() {
reloadUsersWithPublicKeys();
readMyKeyset(insertAllButtons);
//autodecrypt
var messages = $('.msg_body');
@ -156,12 +261,6 @@ uku7JUXcVpt08DFSceCEX9unCuMcT72rAQlLpdZir876
Array.prototype.forEach.call(messages, decryptFn);
}
//create Encrypt button
var textareas = document.getElementsByTagName('textarea');
if (textareas && textareas.length) {
Array.prototype.forEach.call(textareas, insertEncryptButton);
}
});
});