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: 81.3% 165 / 0 / 203
Functions: 90.5% 19 / 0 / 21
Branches: 63.8% 272 / 0 / 426
presentation/MapTileSource.cpp
Line Branch Exec Source
1 #include "MapTileSource.h"
2
3 #include "util/RasterImageFormat.h"
4
5 #include <QBuffer>
6 #include <QCoreApplication>
7 #include <QCryptographicHash>
8 #include <QDateTime>
9 #include <QDirIterator>
10 #include <QFile>
11 #include <QFileInfo>
12 #include <QHostAddress>
13 #include <QImage>
14 #include <QImageReader>
15 #include <QLoggingCategory>
16 #include <QNetworkAccessManager>
17 #include <QNetworkReply>
18 #include <QNetworkRequest>
19 #include <QSaveFile>
20 #include <QUrl>
21 #include <algorithm>
22
23 Q_DECLARE_LOGGING_CATEGORY(lcMapTiles)
24
25 namespace {
26
27 12 bool loopback(const QString &host) {
28
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 12 if (host.compare(QLatin1String("localhost"), Qt::CaseInsensitive) == 0)
29 ✗ return true;
30
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 12 const QHostAddress address(host);
31
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 12 return !address.isNull() && address.isLoopback();
32 12 }
33
34 // "z/x/y" → its three numbers; false for anything else.
35 181 bool parseTile(const QString &tile, int *zoom, int *x, int *y) {
36
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 181 const QStringList parts = tile.split(QLatin1Char('/'));
37
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 181 if (parts.size() != 3)
38 ✗ return false;
39 181 bool ok[3] = {false, false, false};
40
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 181 *zoom = parts.at(0).toInt(&ok[0]);
41
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 181 *x = parts.at(1).toInt(&ok[1]);
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 181 *y = parts.at(2).toInt(&ok[2]);
43
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 181 const int count = ok[0] && *zoom >= 0 && *zoom <= 22 ? 1 << *zoom : 0;
44
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 181 return ok[0] && ok[1] && ok[2] && count > 0 && *x >= 0 && *x < count && *y >= 0 && *y < count;
45 181 }
46
47 } // namespace
48
49 813 MapTileSource::MapTileSource(QDir cacheRoot, QObject *parent)
50
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 813 : QObject(parent), m_cacheRoot(std::move(cacheRoot)), m_network(new QNetworkAccessManager(this)),
51
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 1626 m_template(defaultTemplate()) {
52 // No cookies or credentials ever reach a tile server; redirects are not followed.
53
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 813 m_network->setRedirectPolicy(QNetworkRequest::ManualRedirectPolicy);
54 813 }
55
56 1625 MapTileSource::~MapTileSource() { abortAll(m_active.keys()); }
57
58 // Aborting emits `finished` synchronously: the transfers leave m_active and
59 // lose their handler first, so nothing changes the hash while it is walked.
60 829 void MapTileSource::abortAll(const QStringList &tiles) {
61 829 QList<QPointer<QNetworkReply>> replies;
62
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 829 for (const QString &tile : tiles)
63 ✗ replies.append(m_active.take(tile));
64
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 829 for (const QPointer<QNetworkReply> &reply : std::as_const(replies))
65 ✗ if (reply) {
66 ✗ reply->disconnect(this);
67 ✗ reply->abort();
68 ✗ reply->deleteLater();
69 }
70 829 }
71
72 1644 QString MapTileSource::defaultTemplate() { return QStringLiteral("https://tile.openstreetmap.org/{z}/{x}/{y}.png"); }
73
74 854 QString MapTileSource::validate(const QString &templateUrl) {
75
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 854 const QString text = templateUrl.trimmed();
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 854 if (!text.contains(QLatin1String("{z}")) || !text.contains(QLatin1String("{x}")) || !text.contains(QLatin1String("{y}")))
77
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 1 return tr("The address needs {z}, {x} and {y}.");
78 // S106-313: only {z}, {x} and {y} are filled in; another placeholder such
79 // as {s} (a subdomain) would make every tile request fail.
80
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 1706 if (QString(text).remove(QLatin1String("{z}")).remove(QLatin1String("{x}")).remove(QLatin1String("{y}"))
81
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 853 .contains(QLatin1Char('{')))
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 1 return tr("Only {z}, {x} and {y} can be filled in; write the server name without other placeholders.");
83
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 852 const QUrl url(QString(text).replace(QLatin1String("{z}"), QLatin1String("0"))
84
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 852 .replace(QLatin1String("{x}"), QLatin1String("0"))
85
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 852 .replace(QLatin1String("{y}"), QLatin1String("0")));
86
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 1704 if (!url.isValid() || url.host().isEmpty())
87 ✗ return tr("Enter a web address such as %1.").arg(defaultTemplate());
88
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 864 if (url.scheme() != QLatin1String("https") && !(url.scheme() == QLatin1String("http") && loopback(url.host())))
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 1 return tr("Only secure (https) addresses are allowed.");
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 851 if (!url.userInfo().isEmpty())
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 1 return tr("The address must not contain a user name or password.");
92 850 return {};
93 854 }
94
95 1666 void MapTileSource::setEnabled(bool enabled) {
96
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 1666 if (enabled == m_enabled)
97 1651 return;
98 15 m_enabled = enabled;
99
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 30 qCInfo(lcMapTiles) << "Online tiles" << (enabled ? "on" : "off");
100
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 15 if (!enabled) {
101 6 m_wanted.clear();
102
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 6 abortAll(m_active.keys());
103 }
104 }
105
106 843 void MapTileSource::setTemplate(const QString &templateUrl) {
107
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 843 const QString text = templateUrl.trimmed().isEmpty() ? defaultTemplate() : templateUrl.trimmed();
108
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 843 if (!validate(text).isEmpty() || text == m_template)
109 810 return;
110 33 m_template = text;
111 33 m_failed.clear();
112 843 }
113
114 5690 QDir MapTileSource::serverDir() const {
115 // One folder per server, so tiles of two servers never mix.
116
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 5690 const QByteArray hash = QCryptographicHash::hash(m_template.toUtf8(), QCryptographicHash::Sha256).toHex().left(16);
117
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 11380 return QDir(m_cacheRoot.filePath(QString::fromLatin1(hash)));
118 5690 }
119
120
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 11380 QString MapTileSource::fileOf(const QString &tile) const { return serverDir().filePath(tile + QStringLiteral(".tile")); }
121
122 5379 QString MapTileSource::cachedFile(int zoom, int x, int y) const {
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 21516 const QString file = fileOf(QStringLiteral("%1/%2/%3").arg(zoom).arg(x).arg(y));
124
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 10758 return QFileInfo::exists(file) ? file : QString();
125 5379 }
126
127 181 bool MapTileSource::fresh(const QString &tile) const {
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 181 const QFileInfo info(fileOf(tile));
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 362 return info.exists() && info.lastModified().daysTo(QDateTime::currentDateTime()) < RefreshDays;
130 181 }
131
132 10 void MapTileSource::want(const QStringList &tiles) {
133
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 10 if (!m_enabled)
134 ✗ return;
135 10 QStringList wanted;
136
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 109 for (const QString &tile : tiles) {
137 99 int zoom = 0, x = 0, y = 0;
138
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 99 if (parseTile(tile, &zoom, &x, &y) && !fresh(tile) && !wanted.contains(tile))
139
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 83 wanted.append(tile);
140 }
141 10 m_wanted = wanted;
142 // A pan or zoom away: transfers of tiles no longer in view stop (policy: no prefetching).
143 10 QStringList gone;
144
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 10 for (auto it = m_active.cbegin(); it != m_active.cend(); ++it)
145 ✗ if (!m_wanted.contains(it.key()))
146 ✗ gone.append(it.key());
147
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 10 abortAll(gone);
148
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 10 pump();
149 10 }
150
151 92 void MapTileSource::pump() {
152
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 174 while (m_enabled && m_active.size() < m_maxParallel) {
153 100 QString next;
154 // A tile wanted while in flight stays on the list; once stored it is not fetched again.
155
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 101 for (const QString &tile : std::as_const(m_wanted))
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 165 if (!m_active.contains(tile) && !(m_failed.contains(tile) && !m_failed.value(tile).hasExpired()) &&
157
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 82 !fresh(tile)) {
158 82 next = tile;
159 82 break;
160 }
161
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 100 if (next.isEmpty())
162 18 return;
163
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 82 m_wanted.removeAll(next);
164 82 int zoom = 0, x = 0, y = 0;
165
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 82 parseTile(next, &zoom, &x, &y);
166 82 QString address = m_template;
167
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 82 address.replace(QLatin1String("{z}"), QString::number(zoom))
168
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 164 .replace(QLatin1String("{x}"), QString::number(x))
169
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 82 .replace(QLatin1String("{y}"), QString::number(y));
170
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 82 QNetworkRequest request{QUrl(address)};
171 // OSM tile usage policy: identify the application.
172
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 82 request.setHeader(QNetworkRequest::UserAgentHeader,
173 164 QStringLiteral("MailJD/%1 (+https://git.jdsoft.de/jens/qmailjd)")
174
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 246 .arg(QCoreApplication::applicationVersion().isEmpty() ? QStringLiteral("dev")
175 : QCoreApplication::applicationVersion()));
176
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 82 request.setAttribute(QNetworkRequest::CookieSaveControlAttribute, QNetworkRequest::Manual);
177
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 82 request.setAttribute(QNetworkRequest::CookieLoadControlAttribute, QNetworkRequest::Manual);
178
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 82 request.setAttribute(QNetworkRequest::AuthenticationReuseAttribute, QNetworkRequest::Manual);
179
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 82 request.setTransferTimeout(15000);
180
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 82 QNetworkReply *reply = m_network->get(request);
181 82 ++m_requestsStarted;
182
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 82 m_active.insert(next, reply);
183
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 164 connect(reply, &QNetworkReply::finished, this, [this, reply, next] { finished(reply, next); });
184 100 }
185 }
186
187 82 void MapTileSource::finished(QNetworkReply *reply, const QString &tile) {
188
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 82 reply->deleteLater();
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 82 if (m_active.value(tile) == reply)
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 82 m_active.remove(tile);
191
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 82 if (reply->error() == QNetworkReply::OperationCanceledError) {
192 ✗ pump();
193 17 return;
194 }
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 82 const int status = reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt();
196
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 82 const QByteArray bytes = reply->error() == QNetworkReply::NoError && status == 200 ? reply->read(MaxTileBytes + 1)
197
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 82 : QByteArray();
198 82 QImage image;
199
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 82 if (bytes.size() > 0 && bytes.size() <= MaxTileBytes) {
200
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 81 QBuffer buffer;
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 81 buffer.setData(bytes);
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 81 QImageReader reader(&buffer);
203
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 81 if (buffer.open(QIODevice::ReadOnly) && RasterImageFormat::accept(reader))
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 65 image = reader.read();
205 81 }
206
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 82 if (image.isNull() || image.width() > 1024 || image.height() > 1024) {
207 // Offline, refused or not an image: the outline map stays; the tile is
208 // asked for again after RetryAfterMs.
209
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 17 m_failed.insert(tile, QDeadlineTimer(m_retryAfterMs));
210
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 34 qCInfo(lcMapTiles) << "Tile request failed:" << int(reply->error()) << status;
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 17 if (!m_unavailable) {
212 2 m_unavailable = true;
213
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 2 emit unavailableChanged(true);
214 }
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 17 pump();
216 17 return;
217 }
218
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 65 QDir().mkpath(QFileInfo(fileOf(tile)).absolutePath());
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 65 QSaveFile file(fileOf(tile));
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 65 if (file.open(QIODevice::WriteOnly) && file.write(bytes) == bytes.size() && file.commit()) {
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 65 m_failed.remove(tile);
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 65 if (m_unavailable) {
223 1 m_unavailable = false;
224
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 1 emit unavailableChanged(false);
225 }
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 65 emit tileReady(tile);
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 65 if (++m_storedSinceTrim >= 200) {
228 ✗ m_storedSinceTrim = 0;
229 ✗ trimCache();
230 }
231 } else {
232 // S106-355: a full disk or a read-only cache is logged, and the tile
233 // waits for the retry time like a failed fetch.
234 ✗ qCWarning(lcMapTiles) << "Tile not stored in the cache:" << file.errorString();
235 ✗ m_failed.insert(tile, QDeadlineTimer(m_retryAfterMs));
236 }
237
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 65 pump();
238 99 }
239
240 27 qint64 MapTileSource::cacheBytes() const {
241 27 qint64 total = 0;
242
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 81 QDirIterator it(m_cacheRoot.absolutePath(), {QStringLiteral("*.tile")}, QDir::Files, QDirIterator::Subdirectories);
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 48 while (it.hasNext()) {
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 21 it.next();
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 21 total += it.fileInfo().size();
246 }
247 27 return total;
248 81 }
249
250 // The oldest tiles go first; a tile younger than 7 days is kept (policy).
251 ✗ void MapTileSource::trimCache() {
252 ✗ QList<QFileInfo> files;
253 ✗ qint64 total = 0;
254 ✗ QDirIterator it(m_cacheRoot.absolutePath(), {QStringLiteral("*.tile")}, QDir::Files, QDirIterator::Subdirectories);
255 ✗ while (it.hasNext()) {
256 ✗ it.next();
257 ✗ files.append(it.fileInfo());
258 ✗ total += it.fileInfo().size();
259 }
260 ✗ if (total <= m_maxCacheBytes)
261 ✗ return;
262 ✗ std::sort(files.begin(), files.end(),
263 ✗ [](const QFileInfo &a, const QFileInfo &b) { return a.lastModified() < b.lastModified(); });
264 ✗ const QDateTime keep = QDateTime::currentDateTime().addDays(-7);
265 ✗ int removed = 0;
266 ✗ for (const QFileInfo &info : std::as_const(files)) {
267 ✗ if (total <= m_maxCacheBytes || info.lastModified() > keep)
268 ✗ break;
269 // S106-248: only a removed file frees its bytes; a file that could not
270 // be removed is skipped, the next older one goes instead.
271 ✗ if (!QFile::remove(info.absoluteFilePath())) continue;
272 ✗ total -= info.size();
273 ✗ ++removed;
274 }
275 ✗ qCInfo(lcMapTiles) << "Tile cache trimmed:" << removed << "files," << total << "bytes left";
276 ✗ }
277
278 7 void MapTileSource::clearCache() {
279
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 7 QDir(m_cacheRoot.absolutePath()).removeRecursively();
280 7 m_failed.clear();
281
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 14 qCInfo(lcMapTiles) << "Tile cache cleared";
282 7 }
283