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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 http://mozilla.org/MPL/2.0/. */
var { convertMailStoreTo } = ChromeUtils.importESModule(
);
Services.prefs.setCharPref(
"mail.serverDefaultStoreContractID",
"@mozilla.org/msgstore/berkeleystore;1"
);
// Test data for round-trip test.
const testEmails = [
// Base64 encoded bodies.
"../../../data/01-plaintext.eml",
"../../../data/02-plaintext+attachment.eml",
"../../../data/03-HTML.eml",
"../../../data/04-HTML+attachment.eml",
"../../../data/05-HTML+embedded-image.eml",
"../../../data/06-plaintext+HMTL.eml",
"../../../data/07-plaintext+(HTML+embedded-image).eml",
"../../../data/08-plaintext+HTML+attachment.eml",
"../../../data/09-(HTML+embedded-image)+attachment.eml",
"../../../data/10-plaintext+(HTML+embedded-image)+attachment.eml",
// Bodies with non-ASCII characters in UTF-8 and other charsets.
"../../../data/11-plaintext.eml",
"../../../data/12-plaintext+attachment.eml", // using ISO-8859-7 (Greek)
"../../../data/13-HTML.eml",
"../../../data/14-HTML+attachment.eml",
"../../../data/15-HTML+embedded-image.eml",
"../../../data/16-plaintext+HMTL.eml", // text part is base64 encoded
"../../../data/17-plaintext+(HTML+embedded-image).eml", // HTML part is base64 encoded
"../../../data/18-plaintext+HTML+attachment.eml",
"../../../data/19-(HTML+embedded-image)+attachment.eml",
"../../../data/20-plaintext+(HTML+embedded-image)+attachment.eml", // using windows-1252
// Bodies with non-ASCII characters in UTF-8 and other charsets, all encoded with quoted printable.
"../../../data/21-plaintext.eml",
"../../../data/22-plaintext+attachment.eml", // using ISO-8859-7 (Greek)
"../../../data/23-HTML.eml",
"../../../data/24-HTML+attachment.eml",
"../../../data/25-HTML+embedded-image.eml",
"../../../data/26-plaintext+HMTL.eml", // text part is base64 encoded
"../../../data/27-plaintext+(HTML+embedded-image).eml", // HTML part is base64 encoded
"../../../data/28-plaintext+HTML+attachment.eml",
"../../../data/29-(HTML+embedded-image)+attachment.eml",
"../../../data/30-plaintext+(HTML+embedded-image)+attachment.eml", // using windows-1252
];
function run_test() {
localAccountUtils.loadLocalMailAccount();
add_task(async function () {
await doMboxTest("test1", "../../../data/mbox_modern", 2);
await doMboxTest("test2", "../../../data/mbox_mboxrd", 2);
await doMboxTest("test3", "../../../data/mbox_unquoted", 2);
await roundTripTest();
// Ideas for more tests:
// - check a really big mbox
// - check with really huge message (larger than one chunk)
// - check mbox with "From " line on chunk boundary
// - add tests for maildir->mbox conversion
// - check that conversions preserve message body (ie that the
// "From " line escaping scheme is reversible)
});
run_next_test();
}
/**
* Helper to create a server, account and inbox, and install an
* mbox file.
*
* @param {string} srvName - A unique server name to use for the test.
* @param {string} mboxFilename - mbox file to install and convert.
* @returns {nsIMsgIncomingServer} a server.
*/
function setupServer(srvName, mboxFilename) {
// {nsIMsgIncomingServer} pop server for the test.
const server = MailServices.accounts.createIncomingServer(
srvName,
"localhost",
"pop3"
);
const account = MailServices.accounts.createAccount();
account.incomingServer = server;
server.QueryInterface(Ci.nsIPop3IncomingServer);
server.valid = true;
const inbox = account.incomingServer.rootFolder.getFolderWithFlags(
Ci.nsMsgFolderFlags.Inbox
);
// install the mbox file
const mboxFile = do_get_file(mboxFilename);
mboxFile.copyTo(inbox.filePath.parent, inbox.filePath.leafName);
// TODO: is there some way to make folder rescan the mbox?
// We don't need it for this, but would be nice to do things properly.
return server;
}
/**
* Perform an mbox->maildir conversion test.
*
* @param {string} srvName - A unique server name to use for the test.
* @param {string} mboxFilename - mbox file to install and convert.
* @param {number} expectCnt - Number of messages expected.
* @returns {nsIMsgIncomingServer} a server.
*/
async function doMboxTest(srvName, mboxFilename, expectCnt) {
// set up an account+server+inbox and copy in the test mbox file
const server = setupServer(srvName, mboxFilename);
const mailstoreContractId = Services.prefs.getCharPref(
"mail.server." + server.key + ".storeContractID"
);
await convertMailStoreTo(mailstoreContractId, server, new EventTarget());
// Converted. Now find resulting Inbox/cur directory so
// we can count the messages there.
const inbox = server.rootFolder.getFolderWithFlags(Ci.nsMsgFolderFlags.Inbox);
// NOTE: the conversion updates the path of the root folder,
// but _not_ the path of the inbox...
// Ideally, we'd just use inbox.filePath here, but
// instead we'll have compose the path manually.
const curDir = server.rootFolder.filePath;
curDir.append(inbox.filePath.leafName);
curDir.append("cur");
// Sanity check.
Assert.ok(curDir.isDirectory(), "'cur' directory created");
// Check number of messages in Inbox/cur is what we expect.
const cnt = [...curDir.directoryEntries].length;
Assert.equal(
cnt,
expectCnt,
"expected number of messages (" + mboxFilename + ")"
);
}
/**
* Create a temporary directory. The caller is responsible for deleting it.
*
* @param {string} prefix - Generated dir name will be of the form:
* "<prefix><random_sequence>".
* @returns {string} full path of new directory.
*/
async function tempDir(prefix) {
if (!prefix) {
prefix = "";
}
const tmpDir = Services.dirsvc.get("TmpD", Ci.nsIFile).path;
// eslint-disable-next-line no-constant-condition
while (true) {
const name = prefix + Math.floor(Math.random() * 0xffffffff).toString(16);
const fullPath = PathUtils.join(tmpDir, name);
try {
await IOUtils.makeDirectory(fullPath, { ignoreExisting: false });
return fullPath;
} catch (e) {
// If directory already exists, try another name. Else bail out.
if (
!(DOMException.isInstance(e) && e.name === "NoModificationAllowedError")
) {
throw e;
}
}
}
}
/**
* Test that messages survive unscathed in a roundtrip conversion,
* maildir -> mbox -> maildir.
* The final mailbox should have an identical set of files to the initial one,
* albeit with different filenames.
* Purely filesystem based.
*
* Would be nice to do a mbox->maildir->mbox roundtrip too, but that'd involve
* parsing the mbox files to compare them (can't just compare mbox files because
* message order and "From " lines can change).
*/
async function roundTripTest() {
// Set up initial maildir structure
const initialRoot = await tempDir("initial");
const inbox = PathUtils.join(initialRoot, "INBOX");
await IOUtils.makeDirectory(inbox);
// Create a couple of subdirs under INBOX
const subdir = PathUtils.join(initialRoot, "INBOX.sbd");
await IOUtils.makeDirectory(subdir);
const foodir = PathUtils.join(subdir, "foo");
await IOUtils.makeDirectory(foodir);
const bardir = PathUtils.join(subdir, "bar");
await IOUtils.makeDirectory(bardir);
// Populate all the folders with some test emails.
const absolutePaths = testEmails.map(path => do_get_file(path).path);
await populateMaildir(inbox, absolutePaths);
await populateMaildir(foodir, absolutePaths);
await populateMaildir(bardir, absolutePaths);
// Add a pick of "special" files, which should survive the trip verbatim.
for (const special of ["filterlog.html", "feeds.json", "rules.dat"]) {
const f = PathUtils.join(initialRoot, special);
await IOUtils.writeUTF8(f, f); // Use the filename for content.
}
// Create root dirs for intermediate and final result.
const mboxRoot = await tempDir("mbox");
const finalRoot = await tempDir("final");
// Convert: maildir -> mbox -> maildir
await doConvert("maildir", initialRoot, "mbox", mboxRoot);
await doConvert("mbox", mboxRoot, "maildir", finalRoot);
// compare results - use checksums, because filenames will differ.
await recursiveMaildirCompare(initialRoot, finalRoot);
}
/**
* Helper to adapt the callbacks from converterWorker into a promise.
*
* @param {string} srcType - type of source ("maildir", "mbox")
* @param {string} srcRoot - root directory containing the src folders.
* @param {string} destType - type of destination ("maildir", "mbox")
* @param {string} destRoot - root directory to place converted store.
* @returns {Promise} resolved when when conversion is complete.
*/
function doConvert(srcType, srcRoot, destType, destRoot) {
return new Promise(function (resolve, reject) {
const worker = new ChromeWorker("resource:///modules/converterWorker.js");
worker.addEventListener("message", function (ev) {
if (ev.data.msg == "success") {
resolve();
}
});
worker.addEventListener("error", function (ev) {
reject(ev.message);
});
// Go.
worker.postMessage({
srcType,
destType,
srcRoot,
destRoot,
});
});
}
/**
* Copy a list of email files (.eml) files into a maildir, creating "cur"
* and "tmp" subdirs if required.
*
* @param {string} maildir - Path to the maildir directory.
* @param {Array<string>} emailFiles - paths of source .eml files to copy.
*/
async function populateMaildir(maildir, emailFiles) {
const cur = PathUtils.join(maildir, "cur");
await IOUtils.makeDirectory(cur);
await IOUtils.makeDirectory(PathUtils.join(maildir, "tmp"));
// Normally maildir files would have a name derived from their msg-id field,
// but here we'll just use a timestamp-based one to save parsing them.
let ident = Date.now();
for (const src of emailFiles) {
const dest = PathUtils.join(cur, ident.toString() + ".eml");
ident += 1;
await IOUtils.copy(src, dest);
}
}
/*
* List files in a directory (excludes subdirectories).
*
* @param {String} dirPath - Full path of directory.
* @returns {Array<String} full paths of the files.
*/
async function listFiles(dirPath) {
const files = [];
// Note: IOUtils has no dir iterator at time of writing.
for (const path of await IOUtils.getChildren(dirPath)) {
const fileInfo = await IOUtils.stat(path);
if (fileInfo.type !== "directory") {
files.push(path);
}
}
return files;
}
/*
* Calculate md5 checksum for a file.
*
* @param {String} fileName - Full path to file.
* @returns {String} checksum of the file contents.
*/
async function md5Sum(fileName) {
const md5 = Cc["@mozilla.org/security/hash;1"].createInstance(
Ci.nsICryptoHash
);
md5.init(Ci.nsICryptoHash.MD5);
const raw = await IOUtils.read(fileName);
md5.update(raw, raw.byteLength);
return md5.finish(true);
}
/**
* Compare all maildir directories in two directory trees.
* The comparison is per-maildir, by looking at the checksums of their emails.
* Asserts a test fail if any differences are found.
*
* @param {string} rootA - path to root of maildir store A.
* @param {string} rootB - path to root of maildir store B.
*/
async function recursiveMaildirCompare(rootA, rootB) {
const subdirs = [];
const maildirs = [];
const otherFiles = [];
for (const path of await IOUtils.getChildren(rootA)) {
const stat = await IOUtils.stat(path);
const name = PathUtils.filename(path);
if (stat.type === "directory") {
if (name.endsWith(".sbd")) {
subdirs.push(name);
} else {
// Assume all other dirs are maildirs.
maildirs.push(name);
}
} else {
otherFiles.push(name);
}
}
// Compare the maildirs we found here.
const md5DirContents = async function (dirPath) {
const checksums = [];
for (const f of await listFiles(dirPath)) {
checksums.push(await md5Sum(f));
}
return checksums;
};
for (const name of maildirs) {
const checksumsA = await md5DirContents(PathUtils.join(rootA, name, "cur"));
const checksumsB = await md5DirContents(PathUtils.join(rootB, name, "cur"));
checksumsA.sort();
checksumsB.sort();
let match = checksumsA.length == checksumsB.length;
for (let i = 0; match && i < checksumsA.length; i++) {
match = checksumsA[i] == checksumsB[i];
}
Assert.ok(match, "roundtrip preserves messages in maildir " + name);
}
// Make sure any "special" files survived the trip intact.
for (const name of otherFiles) {
const checksumA = await md5Sum(PathUtils.join(rootA, name));
const pathB = PathUtils.join(rootB, name);
const checksumB = (await IOUtils.exists(pathB))
? await md5Sum(pathB)
: null;
Assert.equal(checksumA, checksumB, "roundtrip preserves " + name);
}
// Recurse down into .sbd dirs.
for (const name of subdirs) {
await recursiveMaildirCompare(
PathUtils.join(rootA, name),
PathUtils.join(rootB, name)
);
}
}