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/*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/.
*/
"use strict";
var { EnigmailDialog } = ChromeUtils.import(
"chrome://openpgp/content/modules/dialog.jsm"
);
var { EnigmailKey } = ChromeUtils.import(
"chrome://openpgp/content/modules/key.jsm"
);
var { EnigmailKeyRing } = ChromeUtils.import(
"chrome://openpgp/content/modules/keyRing.jsm"
);
var { EnigmailArmor } = ChromeUtils.import(
"chrome://openpgp/content/modules/armor.jsm"
);
var { MailStringUtils } = ChromeUtils.import(
"resource:///modules/MailStringUtils.jsm"
);
var l10n = new Localization(["messenger/openpgp/openpgp.ftl"], true);
/**
* opens a prompt, asking the user to enter passphrase for given key id
* returns: the passphrase if entered (empty string is allowed)
* resultFlags.canceled is set to true if the user clicked cancel
*/
function passphrasePromptCallback(win, promptString, resultFlags) {
let password = { value: "" };
if (!Services.prompt.promptPassword(win, "", promptString, password)) {
resultFlags.canceled = true;
return "";
}
resultFlags.canceled = false;
return password.value;
}
/**
* @param {nsIFile} file
* @returns {string} The first block of the wanted type, or empty string.
* Skip blocks of wrong type.
*/
async function getKeyBlockFromFile(file, wantSecret) {
let contents = await IOUtils.readUTF8(file.path).catch(() => "");
let searchOffset = 0;
while (searchOffset < contents.length) {
const beginIndexObj = {};
const endIndexObj = {};
const blockType = EnigmailArmor.locateArmoredBlock(
contents,
searchOffset,
"",
beginIndexObj,
endIndexObj,
{}
);
if (!blockType) {
return "";
}
if (
(wantSecret && blockType.search(/^PRIVATE KEY BLOCK$/) !== 0) ||
(!wantSecret && blockType.search(/^PUBLIC KEY BLOCK$/) !== 0)
) {
searchOffset = endIndexObj.value;
continue;
}
return contents.substr(
beginIndexObj.value,
endIndexObj.value - beginIndexObj.value + 1
);
}
return "";
}
/**
* import OpenPGP keys from file
*
* @param {string} what - "rev" for revocation, "pub" for public keys
*/
async function EnigmailCommon_importObjectFromFile(what) {
if (what != "rev" && what != "pub") {
throw new Error(`Can't import. Invalid argument: ${what}`);
}
let importingRevocation = what == "rev";
let promptStr = importingRevocation ? "import-rev-file" : "import-key-file";
let files = EnigmailDialog.filePicker(
window,
l10n.formatValueSync(promptStr),
"",
false,
true,
"*.asc",
"",
[l10n.formatValueSync("gnupg-file"), "*.asc;*.gpg;*.pgp"]
);
if (!files.length) {
return;
}
for (let file of files) {
if (file.fileSize > 5000000) {
document.l10n.formatValue("file-to-big-to-import").then(value => {
EnigmailDialog.alert(window, value);
});
continue;
}
let errorMsgObj = {};
if (importingRevocation) {
await EnigmailKeyRing.importRevFromFile(file);
continue;
}
let importBinary = false;
let keyBlock = await getKeyBlockFromFile(file, false);
// if we don't find an ASCII block, try to import as binary.
if (!keyBlock) {
importBinary = true;
let data = await IOUtils.read(file.path);
keyBlock = MailStringUtils.uint8ArrayToByteString(data);
}
// Generate a preview of the imported key.
let preview = await EnigmailKey.getKeyListFromKeyBlock(
keyBlock,
errorMsgObj,
true, // interactive
true,
false // not secret
);
if (!preview || !preview.length || errorMsgObj.value) {
document.l10n.formatValue("import-keys-failed").then(value => {
EnigmailDialog.alert(window, value + "\n\n" + errorMsgObj.value);
});
continue;
}
if (preview.length > 0) {
let confirmImport = false;
let autoAcceptance = null;
let outParam = {};
confirmImport = EnigmailDialog.confirmPubkeyImport(
window,
preview,
outParam
);
if (confirmImport) {
autoAcceptance = outParam.acceptance;
}
if (confirmImport) {
// import
let resultKeys = {};
let importExitCode = EnigmailKeyRing.importKey(
window,
false, // interactive, we already asked for confirmation
keyBlock,
importBinary,
null, // expected keyId, ignored
errorMsgObj,
resultKeys,
false, // minimize
[], // filter
true, // allow prompt for permissive
autoAcceptance
);
if (importExitCode !== 0) {
document.l10n.formatValue("import-keys-failed").then(value => {
EnigmailDialog.alert(window, value + "\n\n" + errorMsgObj.value);
});
continue;
}
EnigmailDialog.keyImportDlg(window, resultKeys.value);
}
}
}
}
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