From 6bf0a5cb5034a7e684dcc3500e841785237ce2dd Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 19:32:43 +0200 Subject: Adding upstream version 1:115.7.0. Signed-off-by: Daniel Baumann --- .../gloda/test/unit/test_mime_attachments_size.js | 445 +++++++++++++++++++++ 1 file changed, 445 insertions(+) create mode 100644 comm/mailnews/db/gloda/test/unit/test_mime_attachments_size.js (limited to 'comm/mailnews/db/gloda/test/unit/test_mime_attachments_size.js') diff --git a/comm/mailnews/db/gloda/test/unit/test_mime_attachments_size.js b/comm/mailnews/db/gloda/test/unit/test_mime_attachments_size.js new file mode 100644 index 0000000000..2e18fbe11f --- /dev/null +++ b/comm/mailnews/db/gloda/test/unit/test_mime_attachments_size.js @@ -0,0 +1,445 @@ +/* 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/. */ + +/* + * General testing of the byte-counting libmime facility, to make sure that what + * is streamed to us is actually labeled with the right size. + */ + +/* + * Do not include glodaTestHelper because we do not want gloda loaded and it + * adds a lot of runtime overhead which makes certain debugging strategies like + * using chronicle-recorder impractical. + */ + +var { MsgHdrToMimeMessage } = ChromeUtils.import( + "resource:///modules/gloda/MimeMessage.jsm" +); +var { + MessageGenerator, + SyntheticPartLeaf, + SyntheticPartMultiMixed, + SyntheticPartMultiRelated, + SyntheticMessageSet, +} = ChromeUtils.import( + "resource://testing-common/mailnews/MessageGenerator.jsm" +); +var { MessageInjection } = ChromeUtils.import( + "resource://testing-common/mailnews/MessageInjection.jsm" +); + +var msgGen = new MessageGenerator(); +var messageInjection; + +add_setup(function () { + // Sanity check: figure out how many bytes the original text occupies in UTF-8 encoding + Assert.equal( + new TextEncoder().encode(originalText).length, + originalTextByteCount + ); + + messageInjection = new MessageInjection({ mode: "local" }, msgGen); +}); + +var htmlText = "I am HTML! Woo! "; + +var partHtml = new SyntheticPartLeaf(htmlText, { + contentType: "text/html", +}); + +// This text is 168 characters long, and occupies 173 bytes when encoded in +// UTF-8. (We make sure it occupies 173 bytes in run_test below). Note that +// you cannot use this text directly because it isn't pure ASCII. You must use +// one of the encoded forms below. +var originalText = + "Longtemps, je me suis couché de bonne heure. Parfois, à " + + "peine ma bougie éteinte, mes yeux se fermaient si vite que je n'avais pas le " + + "temps de me dire : « Je m'endors. »"; +var originalTextByteCount = 173; + +var b64Text = + "TG9uZ3RlbXBzLCBqZSBtZSBzdWlzIGNvdWNow6kgZGUgYm9ubmUgaGV1cmUuIFBhcmZvaXMs\n" + + "IMOgIHBlaW5lIG1hIGJvdWdpZSDDqXRlaW50ZSwgbWVzIHlldXggc2UgZmVybWFpZW50IHNp\n" + + "IHZpdGUgcXVlIGplIG4nYXZhaXMgcGFzIGxlIHRlbXBzIGRlIG1lIGRpcmUgOiDCqyBKZSBt\n" + + "J2VuZG9ycy4gwrsK"; + +var qpText = + "Longtemps,=20je=20me=20suis=20couch=C3=A9=20de=20bonne=20heure.=20Parfois,=\n" + + "=20=C3=A0=20peine=20ma=20bougie=20=C3=A9teinte,=20mes=20yeux=20se=20fermaie=\n" + + "nt=20si=20vite=20que=20je=20n'avais=20pas=20le=20temps=20de=20me=20dire=20:=\n" + + "=20=C2=AB=20Je=20m'endors.=20=C2=BB"; + +var uuText = + "begin 666 -\n" + + 'M3&]N9W1E;7!S+"!J92!M92!S=6ES(&-O=6-HPZD@9&4@8F]N;F4@:&5U { + promiseResolve = resolve; + }); + MsgHdrToMimeMessage(msgHdr, null, function (aMsgHdr, aMimeMsg) { + try { + Assert.equal(aMimeMsg.allUserAttachments.length, number); + promiseResolve(); + } catch (e) { + do_throw(e); + } + }); + + await promise; +}); + +async function message_attachments(info) { + let synMsg = msgGen.makeMessage(info); + let synSet = new SyntheticMessageSet([synMsg]); + await messageInjection.addSetsToFolders( + [messageInjection.getInboxFolder()], + [synSet] + ); + + let msgHdr = synSet.getMsgHdr(0); + + let promiseResolve; + let promise = new Promise(resolve => { + promiseResolve = resolve; + }); + + MsgHdrToMimeMessage(msgHdr, null, function (aMsgHdr, aMimeMsg) { + try { + check_attachments( + aMimeMsg, + info.epsilon, + "checkTotalSize" in info ? info.checkTotalSize : undefined + ); + promiseResolve(); + } catch (e) { + do_throw(e); + } + }); + + await promise; +} + +function check_attachments(aMimeMsg, epsilon, checkTotalSize) { + if (aMimeMsg == null) { + do_throw("We really should have gotten a result!"); + } + + /* It is hard to get a byte count that's perfectly accurate. When composing + * the message, the MIME structure goes like this (for an encoded attachment): + * + * XXXXXXXXXX + * XXXXXXXXXX <-- encoded block + * XXXXXXXXXX + * <-- newline + * --chopchop <-- MIME separator + * + * libmime counts bytes all the way up to the separator, which means it counts + * the bytes for the extra line. Since newlines in emails are \n, most of the + * time we get att.size = 174 instead of 173. + * + * The good news is, it's just a fixed extra cost. There no issues with the + * inner contents of the attachment, you can add as many newlines as you want + * in it, Unix or Windows, the count won't get past the bounds. + */ + + Assert.ok(aMimeMsg.allUserAttachments.length > 0); + + let totalSize = htmlText.length; + + for (let att of aMimeMsg.allUserAttachments) { + dump("*** Attachment now is " + att.name + " " + att.size + "\n"); + Assert.ok(Math.abs(att.size - originalTextByteCount) <= epsilon); + totalSize += att.size; + } + + // Undefined means true. + if (checkTotalSize !== false) { + dump( + "*** Total size comparison: " + totalSize + " vs " + aMimeMsg.size + "\n" + ); + Assert.ok(Math.abs(aMimeMsg.size - totalSize) <= epsilon); + } +} + +function check_bogus_parts(aMimeMsg, { epsilon, checkSize }) { + if (aMimeMsg == null) { + do_throw("We really should have gotten a result!"); + } + + // First make sure the size is computed properly + let x = parseInt(aMimeMsg.size); + Assert.ok(!isNaN(x)); + + let sep = "@mozilla.org/windows-registry-key;1" in Cc ? "\r\n" : "\n"; + + if (checkSize) { + let partSize = 0; + // The attachment, although a MimeUnknown part, is actually plain/text that + // contains the whole attached message, including headers. Count them. + for (let k in bogusMessage.headers) { + let v = bogusMessage.headers[k]; + partSize += (k + ": " + v + sep).length; + } + // That's the newline between the headers and the message body. + partSize += sep.length; + // That's the message body. + partSize += originalTextByteCount; + // That's the total length that's to be returned by the MimeMessage abstraction. + let totalSize = htmlText.length + partSize; + dump(totalSize + " vs " + aMimeMsg.size + "\n"); + Assert.ok(Math.abs(aMimeMsg.size - totalSize) <= epsilon); + } +} + +async function bogus_messages(info) { + let synMsg = msgGen.makeMessage(info); + let synSet = new SyntheticMessageSet([synMsg]); + await messageInjection.addSetsToFolders( + [messageInjection.getInboxFolder()], + [synSet] + ); + + let msgHdr = synSet.getMsgHdr(0); + + let promiseResolve; + let promise = new Promise(resolve => { + promiseResolve = resolve; + }); + MsgHdrToMimeMessage(msgHdr, null, function (aMsgHdr, aMimeMsg) { + try { + check_bogus_parts(aMimeMsg, info); + promiseResolve(); + } catch (e) { + do_throw(e); + } + }); + + await promise; +} -- cgit v1.2.3