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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
var { TestUtils } = ChromeUtils.importESModule(
);
const { MimeParser } = ChromeUtils.importESModule(
);
// U+1B1C7 (Nushu). UTF-8 F0 9B 87 87.
const UTF8_NUSHU_QP = "=F0=9B=87=87";
// U+65E5 日 in ISO-2022-JP: ESC $ B F | ESC ( B
const ISO2022JP_NICHI_QP = "=1B=24=42=46=7C=1B=28=42";
// U+30BD ソ in Shift_JIS: 83 5C (trail byte is ASCII backslash)
const SHIFTJIS_SO_QP = "=83=5C";
const MESSAGE = [
"From: sender@example.invalid",
"To: recipient@example.invalid",
"Subject: forward merge mixed charsets",
"MIME-Version: 1.0",
'Content-Type: multipart/mixed; boundary="B"',
"",
"--B",
"Content-Type: text/plain; charset=UTF-8",
"Content-Transfer-Encoding: quoted-printable",
"",
UTF8_NUSHU_QP,
"--B",
"Content-Type: text/plain; charset=ISO-2022-JP",
"Content-Transfer-Encoding: quoted-printable",
"",
ISO2022JP_NICHI_QP,
"--B",
"Content-Type: text/plain; charset=Shift_JIS",
"Content-Transfer-Encoding: quoted-printable",
"",
SHIFTJIS_SO_QP,
"--B--",
"",
].join("\r\n");
function getForwardedTextBody(message) {
let text = "";
MimeParser.parseSync(
message,
{
deliverPartData(_partNum, data) {
text += data;
},
},
{ bodyformat: "decode", strformat: "unicode" }
);
return text;
}
add_task(async function testForwardMergeMixedCharsets() {
localAccountUtils.loadLocalMailAccount();
const server = setupServerDaemon();
server.start();
registerCleanupFunction(() => server.stop());
const identity = getSmtpIdentity(
"from@tinderbox.invalid",
getBasicSmtpServer(server.port)
);
identity.composeHtml = false;
localAccountUtils.msgAccount.addIdentity(identity);
localAccountUtils.msgAccount.defaultIdentity = identity;
localAccountUtils.inboxFolder
.QueryInterface(Ci.nsIMsgLocalMailFolder)
.addMessage(MESSAGE);
MailServices.compose.forwardMessage(
"to@local.invalid",
mailTestUtils.firstMsgHdr(localAccountUtils.inboxFolder),
null,
localAccountUtils.incomingServer,
Ci.nsIMsgComposeService.kForwardInline
);
await TestUtils.waitForCondition(
() => server._daemon.post,
"waiting for forwarded message"
);
// Purposefully hostile including but not limited to overlapping byte
// sequences so this cannot decode correctly by chance under reasonable settings.
const expectedBody = "\u{1B1C7}\r\n\r\n\u65E5\r\n\r\n\u30BD";
const body = getForwardedTextBody(server._daemon.post);
Assert.ok(
body.includes(expectedBody),
"forwarded body must decode each merged part with its own charset"
);
});