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: 93.5% 172 / 0 / 184
Functions: 94.4% 17 / 0 / 18
Branches: 75.9% 189 / 0 / 249
service/NtfyPushReceiver.cpp
Line Branch Exec Source
1 #include "NtfyPushReceiver.h"
2 #include "NtfyStream.h"
3
4 #include <QDateTime>
5 #include <QJsonDocument>
6 #include <QJsonObject>
7 #include <QLoggingCategory>
8 #include <QNetworkAccessManager>
9 #include <QNetworkReply>
10 #include <QNetworkRequest>
11 #include <QRandomGenerator>
12 #include <QUrlQuery>
13
14
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 27 Q_LOGGING_CATEGORY(lcNtfy, "mailjd.davpush.ntfy")
15
16 namespace {
17 constexpr int kRecentIds = 128;
18 43 qint64 nowMs() { return QDateTime::currentMSecsSinceEpoch(); }
19 } // namespace
20
21
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 14 NtfyPushReceiver::NtfyPushReceiver(QObject *parent) : PushReceiver(parent) {
22
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 14 m_nam = new QNetworkAccessManager(this);
23
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 14 m_nam->setRedirectPolicy(QNetworkRequest::ManualRedirectPolicy);
24 16 m_jitter = [] { return QRandomGenerator::global()->generateDouble(); };
25
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 56 for (QTimer *timer : {&m_reconnectTimer, &m_heartbeatTimer, &m_connectTimer}) timer->setSingleShot(true);
26
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 14 connect(&m_reconnectTimer, &QTimer::timeout, this, &NtfyPushReceiver::connectStream);
27
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 14 connect(&m_heartbeatTimer, &QTimer::timeout, this, [this] {
28
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 2 qCInfo(lcNtfy) << "No keepalive within" << m_timing.heartbeatTimeoutMs << "ms, renewing the stream";
29 1 dropStream();
30
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 2 scheduleReconnect(Failure::Timeout, QStringLiteral("no keepalive from the push service"));
31 1 });
32
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 14 connect(&m_connectTimer, &QTimer::timeout, this, [this] {
33 ✗ dropStream();
34 ✗ scheduleReconnect(Failure::Timeout, QStringLiteral("push service did not answer"));
35 ✗ });
36 14 }
37
38 17 NtfyPushReceiver::~NtfyPushReceiver() {
39 14 m_running = false;
40 14 dropStream();
41 17 }
42
43 13 void NtfyPushReceiver::setNetworkAccessManager(QNetworkAccessManager *nam) {
44
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 13 if (m_nam && m_nam->parent() == this) delete m_nam;
45 13 m_nam = nam;
46
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 13 if (m_nam) {
47 13 m_nam->setParent(this);
48 13 m_nam->setRedirectPolicy(QNetworkRequest::ManualRedirectPolicy);
49 }
50 13 }
51
52 1 QString NtfyPushReceiver::endpoint() const {
53
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 1 if (m_config.server.isEmpty() || m_config.channel.isEmpty()) return {};
54
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 1 return m_config.server + QLatin1Char('/') + m_config.channel + QStringLiteral("?up=1");
55 }
56
57 14 void NtfyPushReceiver::start(const Config &config) {
58 14 stop();
59 14 m_config = config;
60 14 m_lastMessageId = config.resumeAfterId;
61 14 m_running = true;
62 14 m_attempt = 0;
63 14 m_hadConnection = false;
64 14 connectStream();
65 14 }
66
67 18 void NtfyPushReceiver::stop() {
68 18 m_running = false;
69 18 m_reconnectTimer.stop();
70 18 dropStream();
71 18 m_connectedSince = 0;
72 18 m_nextAttemptAt = 0;
73
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 18 setState(DavPushReceiverState::Stopped);
74 18 }
75
76 73 void NtfyPushReceiver::dropStream() {
77 73 m_heartbeatTimer.stop();
78 73 m_connectTimer.stop();
79 73 m_buffer.clear();
80 73 m_opened = false;
81
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 73 if (m_reply) {
82 24 QNetworkReply *reply = m_reply;
83 24 m_reply = nullptr;
84 24 reply->disconnect(this);
85 24 reply->abort();
86 24 reply->deleteLater();
87 }
88 73 }
89
90 24 void NtfyPushReceiver::connectStream() {
91
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 24 if (!m_running) return;
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 24 dropStream();
93
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 24 QUrl url(m_config.server + QLatin1Char('/') + m_config.channel + QStringLiteral("/json"));
94
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 24 if (!m_lastMessageId.isEmpty()) {
95
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 1 QUrlQuery query;
96
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 2 query.addQueryItem(QStringLiteral("since"), m_lastMessageId);
97
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 1 url.setQuery(query);
98 1 }
99
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 24 if (url.scheme() != QLatin1String("https")) {
100 ✗ setState(DavPushReceiverState::Failed, Failure::Protocol, QStringLiteral("push service must use HTTPS"));
101 ✗ return;
102 }
103
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 24 QNetworkRequest request(url);
104
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 24 request.setRawHeader("Accept", "application/x-ndjson");
105
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 24 if (!m_config.token.isEmpty()) request.setRawHeader("Authorization", "Bearer " + m_config.token);
106
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 24 request.setAttribute(QNetworkRequest::RedirectPolicyAttribute, QNetworkRequest::ManualRedirectPolicy);
107
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 24 request.setTransferTimeout(0); // long-lived stream: own heartbeat instead
108 24 m_nextAttemptAt = 0;
109
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 24 setState(DavPushReceiverState::Connecting);
110
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 24 m_reply = m_nam->get(request);
111
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 24 connect(m_reply, &QNetworkReply::readyRead, this, &NtfyPushReceiver::onReadyRead);
112
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 24 connect(m_reply, &QNetworkReply::finished, this, &NtfyPushReceiver::onFinished);
113
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 24 m_connectTimer.start(m_timing.connectTimeoutMs);
114 24 }
115
116 13 void NtfyPushReceiver::onReadyRead() {
117
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 14 if (!m_reply) return;
118
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 13 const QByteArray chunk = m_reply->readAll();
119
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 13 emit bytesReceived(chunk.size());
120 13 const bool bufferWasLarge = m_buffer.size() + chunk.size() > kMaxBufferBytes;
121
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 13 const NtfyStream::Lines lines = NtfyStream::feed(&m_buffer, chunk, kMaxFrameBytes, kMaxBufferBytes);
122
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 13 if (lines.overflow && bufferWasLarge) {
123 ✗ qCWarning(lcNtfy) << "Receive buffer overflow, renewing the stream";
124 ✗ dropStream();
125 ✗ scheduleReconnect(Failure::Overflow, QStringLiteral("push stream exceeded its buffer"));
126 ✗ return;
127 }
128
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 13 for (int i = 0; i < lines.oversized; ++i)
129 ✗ qCWarning(lcNtfy) << "Oversized frame dropped";
130 // S106-081: the stream of THIS call — a handler that restarted the
131 // receiver installs a new reply, and the old stream's remaining lines must
132 // not reach the new configuration.
133 13 const QPointer<QNetworkReply> stream = m_reply;
134
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 28 for (const QByteArray &line : lines.complete) {
135
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 16 processLine(line);
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 16 if (!m_reply || m_reply != stream) return; // dropped or replaced by a handler
137 }
138
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 12 if (lines.overflow) {
139
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 1 dropStream();
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 1 scheduleReconnect(Failure::Overflow, QStringLiteral("push stream frame too large"));
141 }
142 15 }
143
144 16 void NtfyPushReceiver::processLine(const QByteArray &line) {
145
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 16 const NtfyStream::Event event = NtfyStream::decode(line);
146
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 16 if (!event.valid) {
147
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 2 qCWarning(lcNtfy) << "Ignoring a malformed frame:" << event.error;
148 1 return;
149 }
150 15 const QString &kind = event.kind;
151 15 m_lastActivity = nowMs();
152
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 15 m_connectTimer.stop();
153
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 15 m_heartbeatTimer.start(m_timing.heartbeatTimeoutMs);
154
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 15 if (!m_opened && (kind == QLatin1String("open") || kind == QLatin1String("keepalive") ||
155
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 15 kind == QLatin1String("message"))) {
156 8 m_opened = true;
157 8 m_connectedSince = nowMs();
158 8 const bool afterGap = m_hadConnection;
159 8 m_hadConnection = true;
160
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 8 setState(DavPushReceiverState::Connected);
161
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 16 qCInfo(lcNtfy) << "Push stream open" << (afterGap ? "(after a gap)" : "");
162
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 8 emit streamResumed(afterGap);
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 8 if (!m_reply) return;
164 }
165
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 15 if (kind != QLatin1String("message")) return;
166 5 const QString &id = event.id;
167
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 5 if (!id.isEmpty()) {
168
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 5 if (m_recentIds.contains(id)) return;
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 4 m_recentIds.append(id);
170
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 4 if (m_recentIds.size() > kRecentIds) m_recentIds.removeFirst();
171 4 m_lastMessageId = id;
172 }
173
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 4 if (!event.payloadValid) {
174 ✗ qCWarning(lcNtfy) << "Discarding a message with invalid base64";
175 ✗ return;
176 }
177
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 4 emit messageReceived(event.payload, id);
178 16 }
179
180 15 void NtfyPushReceiver::onFinished() {
181 15 QNetworkReply *reply = m_reply;
182
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 28 if (!reply || !m_running) return;
183
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 15 const int status = reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt();
184
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 15 const auto error = reply->error();
185
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 30 const QByteArray retryAfter = reply->rawHeader("Retry-After");
186
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 15 dropStream();
187
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 15 if (status == 401 || status == 403) {
188
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 6 scheduleReconnect(Failure::Authentication, QStringLiteral("push service rejected the sign-in (HTTP %1)").arg(status),
189 m_timing.failureBackoffMs);
190 2 return;
191 }
192
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 13 if (status == 429) {
193 2 bool ok = false;
194
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 2 const qint64 seconds = retryAfter.toLongLong(&ok);
195 // S106-080: seconds * 1000 overflowed int for huge server values; the
196 // delay is computed wide and capped at one day.
197
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 2 const qint64 delayMs = ok ? qBound<qint64>(qint64(0), seconds, qint64(86400)) * 1000 : 0;
198
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 4 scheduleReconnect(Failure::RateLimited, QStringLiteral("push service rate limit"), int(delayMs));
199 2 return;
200 }
201
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 11 if (status >= 300 && status < 400) {
202 // S106-079: redirects are never followed (ManualRedirectPolicy) — a moved
203 // push service is a visible configuration problem, not a quiet endless
204 // "stream closed" reconnect loop.
205
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 2 scheduleReconnect(Failure::Protocol,
206
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 3 QStringLiteral("push service moved to another address (HTTP %1)").arg(status),
207 m_timing.failureBackoffMs, /*needsUser=*/true);
208 1 return;
209 }
210
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 10 if (error == QNetworkReply::SslHandshakeFailedError) {
211
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 2 scheduleReconnect(Failure::Tls, QStringLiteral("TLS verification of the push service failed"),
212 m_timing.failureBackoffMs);
213 1 return;
214 }
215
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 9 if (status >= 400) {
216
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 14 scheduleReconnect(Failure::Protocol, QStringLiteral("push service answered HTTP %1").arg(status));
217 7 return;
218 }
219
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 2 scheduleReconnect(Failure::Network, error == QNetworkReply::NoError
220
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 7 ? QStringLiteral("push stream closed by the server")
221
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 2 : QStringLiteral("push stream interrupted"));
222 15 }
223
224 17 int NtfyPushReceiver::backoffDelayMs() const {
225 17 const qint64 exponential = qint64(m_timing.backoffBaseMs) << qMin(m_attempt, 20);
226 17 const qint64 capped = qMin<qint64>(exponential, m_timing.backoffMaxMs);
227 // Earlier-only jitter (up to 20 %): the configured maximum never grows.
228
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 17 return int(capped - qint64(capped * 0.2 * qBound(0.0, m_jitter ? m_jitter() : 0.0, 0.999)));
229 }
230
231 17 void NtfyPushReceiver::scheduleReconnect(Failure failure, const QString &detail, int minimumDelayMs,
232 bool needsUser) {
233
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 17 if (!m_running) return;
234
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 17 if (m_connectedSince > 0 && nowMs() - m_connectedSince >= m_timing.stableAfterMs) m_attempt = 0;
235 17 m_connectedSince = 0;
236
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 17 const int delay = qMax(backoffDelayMs(), minimumDelayMs);
237 17 ++m_attempt;
238 17 m_nextAttemptAt = nowMs() + delay;
239
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 17 const bool needsAction = needsUser || failure == Failure::Authentication || failure == Failure::Tls;
240
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 34 qCInfo(lcNtfy) << "Push stream" << failure << "- reconnect in" << delay << "ms";
241
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 17 setState(needsAction ? DavPushReceiverState::Failed : DavPushReceiverState::Backoff, failure, detail);
242 17 m_reconnectTimer.start(delay);
243 }
244