566 lines
14 KiB
JavaScript
566 lines
14 KiB
JavaScript
/*
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Copyright (C) 2013-2022 Grégory Soutadé
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This file is part of gPass.
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gPass is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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gPass is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with gPass. If not, see <http://www.gnu.org/licenses/>.
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*/
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import {parseUri} from "./lib/parseuri.js";
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import {SERVER, GPASS_ICON, wildcard_domain, simple_pbkdf2, crypto_pbkdf2,
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encrypt_ecb, encrypt_cbc, decrypt_cbc, digest, a2hex, hex2a, debug} from "./lib/misc.js";
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import {get_preference, set_preference, delete_preference} from "./compat.js";
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var browser = browser || chrome;
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var protocol_version = 4;
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var account_url = null;
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function _notification(message, data)
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{
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if (message !== data)
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message += data;
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var options = {
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type: "basic",
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title : "gPass",
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message : message,
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iconUrl:"icons/gpass_icon_64.png"
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};
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browser.notifications.create("gPass", options, function(){});
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}
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async function generate_request(domain, login, mkey, iv)
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{
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var v = domain + ";" + login;
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debug("will encrypt " + v);
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while ((v.length % 16))
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v += "\0";
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var hash = await digest(crypto, v);
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v += hash.slice(8, 24);
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var enc = encrypt_cbc(mkey, iv, v);
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return enc;
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}
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async function ask_server(logins, domain, wdomain, mkey, sendResponse, options)
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{
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var account_url = await get_preference("account_url");
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var salt = parseUri(account_url);
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salt = salt["host"] + salt["path"];
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debug("salt " + salt);
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var pbkdf2_level = await get_preference("pbkdf2_level");
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var global_iv = await simple_pbkdf2(crypto, salt, mkey, pbkdf2_level);
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global_iv = global_iv.slice(0, 16);
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var mkey = crypto_pbkdf2(crypto, mkey, salt, pbkdf2_level);
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debug("global_iv " + a2hex(global_iv));
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var keys = "";
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var key_index;
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var a;
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for(key_index=0, a=0; a<logins.length; a++, key_index++)
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{
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var enc = await generate_request(domain, logins[a], mkey, global_iv);
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keys += (keys.length != 0) ? "&" : "";
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keys += "k" + key_index + "=" + a2hex(enc);
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if (wdomain != "")
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{
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enc = await generate_request(wdomain, logins[a], mkey, global_iv);
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keys += (keys.length != 0) ? "&" : "";
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keys += "k" + (++key_index) + "=" + a2hex(enc);
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}
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}
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debug("Keys " + keys);
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var ret = SERVER.OK;
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debug("connect to " + account_url);
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const headers = {'Content-Type':'application/x-www-form-urlencoded; charset=UTF-8'};
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const request = new Request(account_url, {method: 'POST', headers: headers, body: keys});
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const response = await fetch(request).catch((e) => {
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debug(e);
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_notification("Network error : check your server address", "");
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});
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if (response === undefined)
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{
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ret = SERVER.ERROR;
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sendResponse({"value": ret, options:options});
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return;
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}
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const responseText = await response.text();
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var ciphered_password = "";
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var server_pbkdf2_level = 0;
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var server_version = 0;
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var matched_key = 0;
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var r = responseText.split("\n");
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debug("resp " + r);
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for(var a=0; a<r.length; a++)
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{
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debug("Analyse " + r[a]);
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var params = r[a].split("=");
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if (params.length != 2 && params[0] != "<end>")
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{
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_notification("Error : It seems that it's not a gPass server",
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responseText);
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ret = SERVER.FAILED;
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break;
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}
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switch(params[0])
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{
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case "protocol":
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debug("protocol : " + params[1]);
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if (params[1].indexOf("gpass-") != 0)
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{
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_notification("Error : It seems that it's not a gPass server",
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responseText);
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ret = SERVER.FAILED;
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break;
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}
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var server_protocol_version = params[1].match(/\d+/)[0];
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if (server_protocol_version > protocol_version)
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{
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_notification("Protocol version not supported, please upgrade your addon", "");
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ret = SERVER.FAILED;
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}
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else
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{
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switch (server_protocol_version)
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{
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case 2:
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server_pbkdf2_level = 1000;
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break;
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case 3:
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// Version 3 : nothing special to do
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case 4:
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// Version 4 : nothing special to do
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break;
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}
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}
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break;
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case "matched_key":
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matched_key = params[1];
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case "pass":
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ciphered_password = params[1];
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break;
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case "pkdbf2_level":
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case "pbkdf2_level":
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server_pbkdf2_level = parseInt(params[1].match(/\d+/)[0], 10);
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if (server_pbkdf2_level != NaN &&
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server_pbkdf2_level != pbkdf2_level &&
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server_pbkdf2_level >= 1000) // Minimum level for PBKDF2 !
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{
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debug("New pbkdf2 level " + server_pbkdf2_level);
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pbkdf2_level = server_pbkdf2_level;
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set_preference("pbkdf2_level", pbkdf2_level, null);
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ret = SERVER.RESTART_REQUEST;
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}
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break;
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case "<end>":
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break;
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default:
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debug("Unknown command " + params[0]);
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_notification("Error : It seems that it's not a gPass server",
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responseText);
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ret = SERVER.FAILED;
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break;
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}
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}
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if (ret != SERVER.OK)
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{
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sendResponse({"value": ret, options:options});
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return;
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}
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if (ciphered_password != "")
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{
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debug("Ciphered password : " + ciphered_password);
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var clear_password = await decrypt_cbc(mkey, global_iv, hex2a(ciphered_password));
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clear_password = clear_password.replace(/\0*$/, "");
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clear_password = clear_password.substr(3, clear_password.length);
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debug("Clear password " + clear_password);
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sendResponse({"value": ret, "password":clear_password, "options":options});
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}
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else
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{
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debug("No password found");
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ret = SERVER.FAILED;
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_notification("No password found in database", "")
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sendResponse({"value": ret, "options":options});
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}
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return;
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}
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function update_gpass_icon(iconId, tabId)
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{
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debug("update_gpass_icon");
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var icon_infos = {"tabId":tabId};
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var icon_name = "";
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switch (iconId)
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{
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case GPASS_ICON.NORMAL: break;
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case GPASS_ICON.DISABLED:
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icon_name = "_disabled";
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break;
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case GPASS_ICON.ACTIVATED:
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icon_name = "_activated";
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break;
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default:
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}
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debug(icon_name);
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var icon_infos = {};
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icon_infos["path"] = {
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16:"icons/gpass" + icon_name + "_icon_16.png",
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32:"icons/gpass" + icon_name + "_icon_32.png",
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64:"icons/gpass" + icon_name + "_icon_64.png",
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128:"icons/gpass" + icon_name + "_icon_128.png",
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};
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if (browser.browserAction)
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browser.browserAction.setIcon(icon_infos);
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else
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browser.action.setIcon(icon_infos);
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}
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async function is_gpass_enabled(uri)
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{
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return await get_preference("always_disabled").then(
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function(always_disabled) {
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if (always_disabled)
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{
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debug("Always disabled");
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return new Promise(function(resolve, reject) {
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resolve(1); // null -> enabled, 1 -> disabled
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});
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}
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else
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{
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debug("Check for enable");
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var domain = parseUri(uri);
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domain = domain["host"];
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debug("Is gpass enabled for " + domain + " ?");
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return get_preference("disable-" + domain);
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}
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}
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);
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}
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function save_gpass_enable_config(uri, enable)
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{
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var domain = parseUri(uri);
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domain = domain["host"];
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var key = "disable-" + domain;
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if (enable)
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{
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debug("Enable gpass for " + domain);
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delete_preference(key);
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}
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else
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{
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debug("Disable gpass for " + domain);
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set_preference(key, true, null);
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}
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}
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function _query_tabs_is_gpass_enabled(tabs, sendResponse)
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{
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if (tabs.length)
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{
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is_gpass_enabled(tabs[0].url).then(
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function (key_present) {
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var enabled = (key_present == null);
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update_gpass_icon((enabled)?GPASS_ICON.NORMAL:GPASS_ICON.DISABLED, tabs[0].id);
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sendResponse({"enabled":enabled});
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}
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);
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}
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else
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{
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debug("No cur tab");
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sendResponse({"enabled":true});
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}
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return true;
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}
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function _query_tabs_update_icon(tabs, iconId)
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{
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if (tabs.length)
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{
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update_gpass_icon(iconId, tabs[0].id);
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}
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}
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function update_enable(enabled, tab, saveConfig)
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{
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var parameters;
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if (enabled)
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{
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parameters = {type:"blockForms"};
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saveConfig = true;// Force save when enable website
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debug("Now enabled");
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}
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else
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{
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parameters = {type:"unblockForms"};
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debug("Now disabled");
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}
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if (saveConfig)
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save_gpass_enable_config(tab.url, enabled);
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update_gpass_icon((enabled)?GPASS_ICON.NORMAL:GPASS_ICON.DISABLED, tab.id);
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browser.tabs.sendMessage(tab.id, parameters);
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}
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function gpass_switch_enable(tab)
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{
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debug("Switch enable");
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is_gpass_enabled(tab.url).then(
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function (key_present)
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{
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var enabled = (key_present == null);
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// Do switch
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enabled = !enabled;
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update_enable(enabled, tab, true);
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});
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}
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function createMenus(browser)
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{
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var title;
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debug("Create menus");
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/* Not supported by Chrome */
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if (browser.menus.onShown)
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title = 'Disable gPass for this website';
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else
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title = 'Disable or enable gPass for this website';
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/* Enable/disable */
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browser.menus.create({
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id: 'switch_enable',
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title: title,
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contexts: ['action'],
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}, () => {console.log(chrome.runtime.lastError);});
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/* Not supported by Chrome */
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if (browser.menus.onShown)
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title = 'Disable gPass for ALL websites';
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else
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title = 'Disable or enable gPass for ALL websites';
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/* Always enable/disable */
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browser.menus.create({
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id: 'always_disable',
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title: title,
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contexts: ['action']
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});
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}
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function extension_load()
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{
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browser.runtime.onMessage.addListener(
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function(request, sender, sendResponse) {
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if (request.type == "password")
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{
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var domain = parseUri(request.domain);
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domain = domain["host"];
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var wdomain = wildcard_domain(domain);
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ask_server(request.logins, domain,
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wdomain, request.mkey,
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sendResponse, request.options);
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return true;
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}
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else if (request.type == "notification")
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{
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_notification(request.options.message, request.options.data);
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}
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else if (request.type == "getServerAddress")
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{
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get_preference("account_url").then(
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function (address) {
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sendResponse({"value" : address});
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});
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return true;
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}
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else if (request.type == "getPopupClipboard")
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{
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get_preference("popup_clipboard").then(
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function (value) {
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sendResponse({"value" : value});
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});
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return true;
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}
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else if (request.type == "is_gpass_enabled")
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{
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browser.tabs.query({active:true, currentWindow:true}).then( (tabs) =>
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{
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_query_tabs_is_gpass_enabled(tabs, sendResponse);
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});
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return true;
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}
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else if (request.type == "update_icon")
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{
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debug("update_icon");
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browser.tabs.query({active:true, currentWindow:true}).then( (tabs) =>
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{
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_query_tabs_update_icon(tabs, request.icon_id);
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});
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}
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else
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{
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debug("Unknown message " + request.type);
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}
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}
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);
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/* Chrome */
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if (!browser.menus && browser.contextMenus)
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{
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browser.menus = browser.contextMenus;
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}
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browser.runtime.onInstalled.addListener(() => {
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createMenus(browser)
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});
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browser.menus.onClicked.addListener(
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function(info, tab) {
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switch (info.menuItemId) {
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case 'always_disable':
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get_preference('always_disabled').then(
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function (always_disabled) {
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debug('Change always disable');
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debug(always_disabled);
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always_disabled = !always_disabled;
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set_preference('always_disabled', always_disabled,
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function(error)
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{
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browser.tabs.query({active:true, currentWindow:true},
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(tabs) => {
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for (var i=0; i<tabs.length; i++)
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update_enable(!always_disabled, tabs[i], false);
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});
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}
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);
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}
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);
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break;
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case 'switch_enable':
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gpass_switch_enable(tab);
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break;
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}
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}
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);
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/* Firefox only */
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if (browser.menus.onShown)
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{
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browser.menus.onShown.addListener(
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function(info, tab) {
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is_gpass_enabled(tab.url).then(
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function (key_present) {
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enabled = (key_present == null);
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if (enabled)
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title = 'Disable gPass for this website';
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else
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title = 'Enable gPass for this website';
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browser.menus.update("switch_enable",
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{
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"title":title
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}
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);
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browser.menus.refresh();
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}
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);
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}
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);
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browser.menus.onShown.addListener(
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function(info, tab) {
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get_preference('always_disabled').then(
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function (always_disabled) {
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if (always_disabled)
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title = 'Enable gPass for ALL websites';
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else
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title = 'Disable gPass for ALL websites';
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browser.menus.update("always_disable",
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{
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"title":title
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}
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);
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browser.menus.refresh();
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}
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);
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}
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);
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}
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}
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async function self_test()
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{
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mkey = crypto_pbkdf2("password", "salt", 4096);
|
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res = await encrypt_ecb(mkey, "DDDDDDDDDDDDDDDD");
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reference = new Uint8Array([0xc4, 0x76, 0x01, 0x07, 0xa1, 0xc0, 0x2f, 0x22, 0xee, 0xbe, 0x60,
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0xff, 0x65, 0x33, 0x5b, 0x9e]);
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if (res != ab2str(reference))
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{
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console.log("Self test ERROR !");
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}
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else
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console.log("Self test OK !");
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}
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//self_test();
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extension_load();
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