MailJDTourDownloadDocsQualityTestsCoverage

Which source lines and branches the tests execute. Lines 91.5 %, branches 75.0 % (minimum 85 % and 72 %). main @ 399ffe3d · 21 October 2026 · pipeline 7238.

GCC Code Coverage Report

Directory: src/
Coverage: low: ≥ 0% medium: ≥ 75.0% high: ≥ 90.0%
Coverage Exec / Excl / Total
Lines: 96.3% 181 / 0 / 188
Functions: 100.0% 29 / 0 / 29
Branches: 81.9% 244 / 0 / 298
service/MailPayloadExportService.cpp
Line Branch Exec Source
1 #include "MailPayloadExportService.h"
2 #include "util/AttachmentFileSecurity.h"
3 #include <QBuffer>
4 #include <QCoreApplication>
5 #include <QFutureWatcher>
6 #include <QTemporaryFile>
7 #include <QCryptographicHash>
8 #include "data/DatabaseSecurity.h"
9 #include <QtConcurrent>
10
11
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 32 MailPayloadExportService::MailPayloadExportService(QObject *parent) : QObject(parent) {
12
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 32 m_pool.setMaxThreadCount(1);
13
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 32 m_pool.setExpiryTimeout(1000);
14
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 33 connect(QCoreApplication::instance(), &QCoreApplication::aboutToQuit, this, [this] { stop(); });
15 32 }
16 53 MailPayloadExportService::~MailPayloadExportService() { stop(); }
17 3055 MailPayloadExportService *MailPayloadExportService::shared() {
18
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 3055 static QPointer<MailPayloadExportService> service;
19
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 3055 if (!service) service = new MailPayloadExportService(QCoreApplication::instance());
20 3055 return service;
21 }
22 34 void MailPayloadExportService::stop() {
23 34 m_stopping = true;
24
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 35 for (const auto &request : m_requests) request->cancelled.store(true);
25
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 34 m_pool.waitForDone();
26 34 }
27 3031 void MailPayloadExportService::cancel(QObject *owner) {
28
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 3042 for (const auto &request : m_requests)
29
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 11 if (!request->owner || request->owner == owner) request->cancelled.store(true);
30 3031 }
31 22 void MailPayloadExportService::save(QObject *owner, MailPayloadRequest identity,
32 QString destination, bool overwriteExisting,
33 Callback callback) {
34
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 44 enqueue(owner, std::move(identity), std::move(destination), overwriteExisting,
35 22 std::move(callback), {});
36 22 }
37 4 void MailPayloadExportService::saveInDirectory(QObject *owner, MailPayloadRequest identity,
38 QString directory, QString suggestedName,
39 Callback callback) {
40
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 8 enqueue(owner, std::move(identity), std::move(directory), false,
41 8 std::move(callback), std::move(suggestedName));
42 4 }
43 26 void MailPayloadExportService::enqueue(QObject *owner, MailPayloadRequest identity,
44 QString destination, bool overwriteExisting,
45 Callback callback, std::optional<QString> suggestedName) {
46
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 26 if (!owner) return;
47
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 46 if (m_stopping || m_requests.size() >= MaximumRequests || destination.isEmpty() ||
48
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 63 destination.size() > 4096 || destination.contains(QChar(0)) ||
49
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 91 identity.databasePath.size() > 4096 || identity.mailId.accountId.size() > 4096 ||
50
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 22 (suggestedName && suggestedName->size() > 4096)) {
51 8 MailPayloadReadResult result;
52 8 result.error = QStringLiteral("Payload export queue is unavailable or exceeds its metadata budget");
53
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 8 callback(std::move(result));
54 8 return;
55 8 }
56
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 34 submit(owner, [identity = std::move(identity), destination = std::move(destination),
57 17 overwriteExisting, suggestedName = std::move(suggestedName)](const std::atomic_bool &cancelled) {
58 17 MailPayloadReadResult result;
59
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 17 if (cancelled.load()) {
60 3 result.error = QStringLiteral("Payload export cancelled");
61 3 return Result{result, {}};
62 }
63 14 const QString outputPath = suggestedName
64
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 14 ? AttachmentFileSecurity::uniqueSavePath(QDir(destination), *suggestedName) : destination;
65 14 QString error;
66
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 14 const auto policy = overwriteExisting ? AttachmentFileSecurity::ExistingFilePolicy::Replace
67 : AttachmentFileSecurity::ExistingFilePolicy::FailIfExists;
68
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 14 const bool installed = AttachmentFileSecurity::writeStreamAtomically(outputPath,
69
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 28 [&](QIODevice &output, QString *error) {
70
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 14 result = MailPayloadReader::copy(identity, output, &cancelled);
71
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 14 if (!result.completed && error) *error = result.error;
72 14 return result.completed;
73 35 }, &error, policy, [&] { return cancelled.load(); });
74
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 14 if (!installed) {
75 8 result.completed = false;
76
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 8 result.sha256.clear();
77 8 result.error = error;
78 }
79 14 return Result{result, {}};
80
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 65 }, [callback = std::move(callback)](Result result) { callback(std::move(result.read)); });
81 }
82
83 19 void MailPayloadExportService::readWindow(QObject *owner, MailPayloadRequest request,
84 BytesCallback callback) {
85
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 19 if (!owner) return;
86
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 19 if (m_stopping || m_requests.size() >= MaximumRequests ||
87
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 19 request.skipBytes < 0 || request.maxBytes <= 0 ||
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 35 request.maxBytes > MaximumWindowBytes ||
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 34 request.databasePath.isEmpty() || request.databasePath.size() > 4096 ||
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 38 request.databasePath.contains(QChar(0)) || request.mailId.accountId.size() > 4096) {
91 2 MailPayloadReadResult result;
92 2 result.error = QStringLiteral("Invalid source window request");
93
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 2 callback({}, std::move(result));
94 2 return;
95 2 }
96
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 17 submit(owner, [request = std::move(request)](const std::atomic_bool &cancelled) {
97 17 QByteArray bytes;
98
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 17 bytes.reserve(int(qMin<qint64>(request.maxBytes, MailPayloadReader::ChunkBytes)));
99
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 17 QBuffer buffer(&bytes);
100
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 17 buffer.open(QIODevice::WriteOnly);
101
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 17 auto result = MailPayloadReader::copy(request, buffer, &cancelled);
102
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 17 buffer.close();
103
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 17 if (!result.completed) bytes.clear();
104 34 return Result{result, {}, bytes};
105 51 }, [callback = std::move(callback)](Result result) {
106
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 17 callback(std::move(result.bytes), std::move(result.read));
107 17 });
108 }
109
110 48 void MailPayloadExportService::submit(QObject *owner, Work work, std::function<void(Result)> callback) {
111
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 50 if (!owner) return;
112
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 48 if (m_stopping || m_requests.size() >= MaximumRequests) {
113 2 Result result;
114 2 result.read.error = QStringLiteral("Payload queue is unavailable");
115
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 2 callback(std::move(result));
116 2 return;
117 2 }
118
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 46 auto request = std::make_shared<Request>();
119
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 46 request->owner = owner;
120 46 const std::weak_ptr<Request> weak = request;
121
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 92 request->destroyed = connect(owner, &QObject::destroyed, this, [weak] {
122
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 1 if (const auto request = weak.lock()) request->cancelled.store(true);
123 46 });
124
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 46 m_requests.append(request);
125
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 46 auto *watcher = new QFutureWatcher<Result>(this);
126 46 connect(watcher, &QFutureWatcher<Result>::finished, this,
127
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 92 [this, request, watcher, callback = std::move(callback)]() mutable {
128
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 45 auto result = watcher->result();
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 45 watcher->deleteLater();
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 45 m_requests.removeOne(request);
131
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 45 if (!m_stopping && request->owner && !request->cancelled.load()) callback(std::move(result));
132 45 });
133
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 46 watcher->setFuture(QtConcurrent::run(&m_pool, [request, work = std::move(work)] {
134 46 return work(request->cancelled);
135 }));
136 46 }
137
138 5 MailPayloadPreview::~MailPayloadPreview() { QFile::remove(m_path); }
139
140 16 void MailPayloadExportService::preparePreview(QObject *owner, MailPayloadRequest identity,
141 QString cacheDirectory, PreviewCallback callback) {
142
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 16 if (!owner) return;
143
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 41 if (cacheDirectory.isEmpty() || cacheDirectory.size() > 4096 || cacheDirectory.contains(QChar(0)) ||
144
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 41 identity.databasePath.size() > 4096 || identity.mailId.accountId.size() > 4096) {
145 5 MailPayloadReadResult result;
146 5 result.error = QStringLiteral("Invalid preview metadata");
147
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 5 callback({}, result);
148 5 return;
149 5 }
150
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 10 submit(owner, [identity = std::move(identity), cacheDirectory = std::move(cacheDirectory)]
151 (const std::atomic_bool &cancelled) {
152 8 Result result;
153
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 8 if (cancelled.load()) return result;
154
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 8 QFileInfo directory(cacheDirectory);
155
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 8 if (!directory.exists() && !directory.isSymLink()) {
156
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 5 QDir().mkpath(cacheDirectory);
157
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 5 directory.refresh();
158 }
159
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 15 if (!directory.isDir() || directory.isSymLink() ||
160
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 6 !DatabaseSecurity::isOwnedByCurrentUser(directory) ||
161
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 21 DatabaseSecurity::isSharedSystemDirectory(cacheDirectory) ||
162
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 14 !QFile::setPermissions(cacheDirectory, QFile::ReadOwner | QFile::WriteOwner | QFile::ExeOwner)) {
163 2 result.read.error = QStringLiteral("Cannot create private preview directory");
164 2 return result;
165 }
166
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 12 QTemporaryFile file(QDir(cacheDirectory).filePath(QStringLiteral("mailjd-preview-XXXXXX.pdf")));
167
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 6 if (!file.open()) {
168 ✗ result.read.error = file.errorString();
169 ✗ return result;
170 }
171
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 6 result.read = MailPayloadReader::copy(identity, file, &cancelled);
172
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 6 if (!result.read.completed) return result;
173
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 5 if (!file.flush() || cancelled.load()) {
174 ✗ result.read.completed = false;
175 ✗ result.read.sha256.clear();
176 ✗ result.read.error = QStringLiteral("Preview flush failed or was cancelled");
177 ✗ return result;
178 }
179
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 5 file.close();
180
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 5 result.preview = Preview(new MailPayloadPreview(file.fileName(), result.read));
181
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 5 file.setAutoRemove(false);
182 5 return result;
183 28 }, [callback = std::move(callback)](Result result) {
184
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 8 callback(std::move(result.preview), std::move(result.read));
185 8 });
186 }
187
188 9 void MailPayloadExportService::savePreview(QObject *owner, Preview preview, QString destination,
189 Callback callback) {
190
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 9 if (!owner) return;
191
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 8 if (!preview || destination.isEmpty() || destination.size() > 4096 || destination.contains(QChar(0))) {
192 4 MailPayloadReadResult result;
193 4 result.error = QStringLiteral("Invalid preview export");
194
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 4 callback(result);
195 4 return;
196 4 }
197
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 4 submit(owner, [preview = std::move(preview), destination = std::move(destination)]
198 (const std::atomic_bool &cancelled) {
199 4 Result result;
200 4 QString error;
201
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 4 result.read.completed = AttachmentFileSecurity::writeStreamAtomically(destination,
202
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 8 [&](QIODevice &output, QString *error) {
203
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 4 QFile input(preview->path());
204
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 4 if (!input.open(QIODevice::ReadOnly)) { *error = input.errorString(); return false; }
205
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 3 QCryptographicHash hash(QCryptographicHash::Sha256);
206
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 3 QByteArray buffer(MailPayloadReader::ChunkBytes, Qt::Uninitialized);
207
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 10 while (!cancelled.load()) {
208
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 10 const qint64 bytes = input.read(buffer.data(), buffer.size());
209
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 10 if (bytes < 0) { *error = input.errorString(); return false; }
210
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 10 if (!bytes) break;
211
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 7 if (output.write(buffer.constData(), bytes) != bytes) {
212 ✗ *error = output.errorString(); return false;
213 }
214 7 hash.addData(QByteArrayView(buffer.constData(), bytes));
215 7 result.read.bytes += bytes;
216 }
217
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 3 result.read.sha256 = hash.result().toHex();
218
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 5 if (cancelled.load() || result.read.bytes != preview->result().bytes ||
219
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 2 result.read.sha256 != preview->result().sha256) {
220 2 *error = QStringLiteral("Preview changed or export was cancelled");
221 2 return false;
222 }
223 1 return true;
224 4 }, &error, AttachmentFileSecurity::ExistingFilePolicy::Replace,
225 9 [&] { return cancelled.load(); });
226
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 4 if (!result.read.completed) { result.read.sha256.clear(); result.read.error = error; }
227 4 return result;
228
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 16 }, [callback = std::move(callback)](Result result) { callback(std::move(result.read)); });
229 }
230