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: 96.5% 222 / 0 / 230
Functions: 100.0% 13 / 0 / 13
Branches: 87.0% 327 / 0 / 376
service/DavPushXml.cpp
Line Branch Exec Source
1 #include "DavPushXml.h"
2
3 #include "WebPushPayloadCodec.h"
4
5 #include <QDateTime>
6 #include <QRegularExpression>
7 #include <QTimeZone>
8 #include <QXmlStreamReader>
9 #include <QXmlStreamWriter>
10 #include <climits>
11
12 namespace DavPushXml {
13 namespace {
14
15 const QString kDav = QStringLiteral("DAV:");
16
17 10 void setError(QString *error, const QString &text) {
18
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 10 if (error) *error = text;
19 10 }
20
21 822 bool isPush(const QXmlStreamReader &reader, QStringView name) {
22
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 822 return reader.namespaceUri() == kNamespace && reader.name() == name;
23 }
24
25 2623 bool isDav(const QXmlStreamReader &reader, QStringView name) {
26
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 2623 return reader.namespaceUri() == kDav && reader.name() == name;
27 }
28
29 // The push properties found in one successful propstat of one response.
30 struct RawOffer {
31 bool topicSeen = false;
32 QString topic;
33 bool transportsSeen = false;
34 bool webPush = false;
35 bool vapidSeen = false;
36 QString vapidText;
37 QString vapidType;
38 bool triggersSeen = false;
39 int contentUpdateDepth = -1; // -1 = no content-update trigger
40 };
41
42 1 int parseDepth(const QString &text) {
43
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 1 const QString value = text.trimmed().toLower();
44
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 1 if (value == QLatin1String("infinity")) return INT_MAX;
45 1 bool ok = false;
46
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 1 const int depth = value.toInt(&ok);
47
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 1 return ok && depth >= 0 ? depth : -1;
48 1 }
49
50 // Reads the children of P:transports / P:supported-triggers into `offer`.
51
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 367 void readPushProperty(QXmlStreamReader &reader, RawOffer *offer) {
52
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 367 if (isPush(reader, u"topic")) {
53 149 offer->topicSeen = true;
54
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 149 offer->topic = reader.readElementText(QXmlStreamReader::SkipChildElements).trimmed();
55 149 return;
56 }
57
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 218 if (isPush(reader, u"transports")) {
58 149 offer->transportsSeen = true;
59
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 241 while (reader.readNextStartElement()) {
60
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 92 if (isPush(reader, u"web-push")) {
61 90 offer->webPush = true;
62
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 103 while (reader.readNextStartElement()) {
63
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 13 if (isPush(reader, u"vapid-public-key")) {
64 13 offer->vapidSeen = true;
65
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 26 offer->vapidType = reader.attributes().value(QStringLiteral("type")).toString();
66
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 13 offer->vapidText = reader.readElementText(QXmlStreamReader::SkipChildElements).trimmed();
67 } else {
68 ✗ reader.skipCurrentElement();
69 }
70 }
71 } else {
72 2 reader.skipCurrentElement(); // other (unknown) transports
73 }
74 }
75 149 return;
76 }
77
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 69 if (isPush(reader, u"supported-triggers")) {
78 69 offer->triggersSeen = true;
79
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 72 while (reader.readNextStartElement()) {
80
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 3 if (isPush(reader, u"content-update")) {
81 1 int depth = 0;
82
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 2 while (reader.readNextStartElement()) {
83
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 1 if (isDav(reader, u"depth")) depth = parseDepth(reader.readElementText(QXmlStreamReader::SkipChildElements));
84 ✗ else reader.skipCurrentElement();
85 }
86 1 offer->contentUpdateDepth = qMax(offer->contentUpdateDepth, depth);
87 } else {
88 2 reader.skipCurrentElement();
89 }
90 }
91 69 return;
92 }
93 ✗ reader.skipCurrentElement();
94 }
95
96 322 DavPushOffer classify(const RawOffer &raw) {
97 322 DavPushOffer offer;
98
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 322 if (!raw.topicSeen || raw.topic.isEmpty()) {
99 233 offer.capability = DavPushCapability::Unsupported;
100
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 699 offer.reason = raw.transportsSeen ? QStringLiteral("transports offered without a push topic")
101
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 466 : QStringLiteral("no WebDAV-Push properties");
102 233 return offer;
103 }
104 89 offer.topic = raw.topic;
105
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 89 if (!raw.webPush) {
106 1 offer.capability = DavPushCapability::Incompatible;
107 1 offer.reason = QStringLiteral("no Web Push transport offered");
108 1 return offer;
109 }
110
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 88 if (raw.vapidSeen) {
111
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 13 const auto key = WebPushPayloadCodec::decodeBase64Url(raw.vapidText);
112
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 13 const bool typeOk = raw.vapidType.isEmpty() || raw.vapidType == QLatin1String("p256ecdsa");
113
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 13 if (!typeOk || !key || key->size() != WebPushPayloadCodec::kPublicKeyBytes || key->at(0) != 0x04) {
114 1 offer.capability = DavPushCapability::Incompatible;
115 1 offer.reason = QStringLiteral("unusable VAPID public key");
116 1 return offer;
117 }
118 12 offer.vapidPublicKey = *key;
119 13 }
120
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 87 if (raw.triggersSeen) {
121 2 offer.profile = DavPushProfile::Draft;
122 // Members of a calendar change: content updates need depth >= 1.
123
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 2 if (raw.contentUpdateDepth < 1) {
124 1 offer.capability = DavPushCapability::Incompatible;
125 1 offer.reason = QStringLiteral("no content-update trigger with depth 1");
126 1 return offer;
127 }
128 } else {
129 85 offer.profile = DavPushProfile::NextcloudLegacy;
130 }
131 86 offer.capability = DavPushCapability::Supported;
132 86 return offer;
133 ✗ }
134
135 302 int statusCode(const QString &line) {
136
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 604 const QStringList parts = line.simplified().split(QLatin1Char(' '));
137
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 604 return parts.size() >= 2 ? parts.at(1).toInt() : 0;
138 302 }
139
140 // One DAV:propstat: its push properties and status.
141 391 void readPropstat(QXmlStreamReader &reader, RawOffer *merged) {
142 391 RawOffer found;
143 391 int status = 0;
144
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 1084 while (reader.readNextStartElement()) {
145
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 693 if (isDav(reader, u"prop")) {
146
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 1920 while (reader.readNextStartElement()) {
147
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 1529 if (reader.namespaceUri() == kNamespace) readPushProperty(reader, &found);
148
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 1162 else reader.skipCurrentElement();
149 }
150
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 302 } else if (isDav(reader, u"status")) {
151
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 302 status = statusCode(reader.readElementText(QXmlStreamReader::SkipChildElements));
152 } else {
153 ✗ reader.skipCurrentElement();
154 }
155 }
156 // S106-070: only a propstat whose DAV:status says 2xx counts — a missing
157 // or unparseable status (RFC 4918 makes it mandatory) used to be success.
158
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 391 if (status < 200 || status >= 300) return; // 404, missing, garbage: not offered
159
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 234 if (found.topicSeen) { merged->topicSeen = true; merged->topic = found.topic; }
160
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 234 if (found.transportsSeen) {
161 89 merged->transportsSeen = true;
162 89 merged->webPush = found.webPush;
163 89 merged->vapidSeen = found.vapidSeen;
164 89 merged->vapidText = found.vapidText;
165 89 merged->vapidType = found.vapidType;
166 }
167
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 234 if (found.triggersSeen) {
168 2 merged->triggersSeen = true;
169 2 merged->contentUpdateDepth = found.contentUpdateDepth;
170 }
171 391 }
172
173 } // namespace
174
175 219 QByteArray discoveryProperties() {
176 219 return "<P:transports/><P:topic/><P:supported-triggers/>";
177 }
178
179 193 std::optional<QHash<QString, DavPushOffer>> parseDiscovery(const QByteArray &multistatus, QString *error) {
180 // S106-071: the same DTD/entity refusal as parsePushMessage (defense in
181 // depth; QXmlStreamReader does not expand them, readNextStartElement
182 // skipped them silently).
183
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 385 if (multistatus.contains("<!DOCTYPE") || multistatus.contains("<!ENTITY") ||
184
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 385 multistatus.contains("<!doctype")) {
185 1 setError(error, QStringLiteral("DTDs and entities are not allowed"));
186 1 return std::nullopt;
187 }
188
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 192 QXmlStreamReader reader(multistatus);
189 192 QHash<QString, DavPushOffer> offers;
190
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 384 if (!reader.readNextStartElement() || !isDav(reader, u"multistatus")) {
191 1 setError(error, QStringLiteral("not a DAV multistatus"));
192 1 return std::nullopt;
193 }
194
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 515 while (reader.readNextStartElement()) {
195
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 324 if (!isDav(reader, u"response")) {
196 ✗ reader.skipCurrentElement();
197 ✗ continue;
198 }
199 324 QString href;
200 324 RawOffer raw;
201
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 1037 while (reader.readNextStartElement()) {
202
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 713 if (isDav(reader, u"href") && href.isEmpty()) href = reader.readElementText().trimmed();
203
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 391 else if (isDav(reader, u"propstat")) readPropstat(reader, &raw);
204 ✗ else reader.skipCurrentElement();
205 }
206
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 324 if (!href.isEmpty()) offers.insert(href, classify(raw));
207 324 }
208
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 191 if (reader.hasError()) {
209
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 2 setError(error, QStringLiteral("invalid discovery XML: %1").arg(reader.errorString()));
210 1 return std::nullopt;
211 }
212 190 return offers;
213 192 }
214
215 83 QByteArray registerBody(const QString &pushResource, const QByteArray &publicKey, const QByteArray &authSecret) {
216 83 QByteArray body;
217
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 83 QXmlStreamWriter writer(&body);
218
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 83 writer.writeStartDocument();
219
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 83 writer.writeDefaultNamespace(kNamespace);
220
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 83 writer.writeNamespace(kDav, QStringLiteral("D"));
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 83 writer.writeStartElement(kNamespace, QStringLiteral("push-register"));
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 83 writer.writeStartElement(kNamespace, QStringLiteral("subscription"));
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 83 writer.writeStartElement(kNamespace, QStringLiteral("web-push-subscription"));
224
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 166 writer.writeTextElement(kNamespace, QStringLiteral("push-resource"), pushResource);
225
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 166 writer.writeTextElement(kNamespace, QStringLiteral("content-encoding"), QStringLiteral("aes128gcm"));
226
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 83 writer.writeStartElement(kNamespace, QStringLiteral("subscription-public-key"));
227
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 166 writer.writeAttribute(QStringLiteral("type"), QStringLiteral("p256dh"));
228
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 83 writer.writeCharacters(WebPushPayloadCodec::encodeBase64Url(publicKey));
229
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 83 writer.writeEndElement();
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 166 writer.writeTextElement(kNamespace, QStringLiteral("auth-secret"), WebPushPayloadCodec::encodeBase64Url(authSecret));
231
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 83 writer.writeEndElement(); // web-push-subscription
232
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 83 writer.writeEndElement(); // subscription
233
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 83 writer.writeStartElement(kNamespace, QStringLiteral("trigger"));
234
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 83 writer.writeStartElement(kNamespace, QStringLiteral("content-update"));
235
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 166 writer.writeTextElement(kDav, QStringLiteral("depth"), QStringLiteral("1"));
236
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 83 writer.writeEndElement();
237
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 83 writer.writeEndElement();
238
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 83 writer.writeEndElement(); // push-register
239
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 83 writer.writeEndDocument();
240 83 return body;
241 83 }
242
243 17 std::optional<PushMessage> parsePushMessage(const QByteArray &xml, QString *error) {
244
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 17 if (xml.size() > kMaxMessageBytes) {
245
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 2 setError(error, QStringLiteral("push message exceeds %1 bytes").arg(kMaxMessageBytes));
246 1 return std::nullopt;
247 }
248
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 16 QXmlStreamReader reader(xml);
249 16 PushMessage message;
250 16 int depth = 0;
251 16 bool rootSeen = false;
252 16 QStringList path;
253
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 140 while (!reader.atEnd()) {
254
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 128 const auto token = reader.readNext();
255
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 128 if (token == QXmlStreamReader::DTD || token == QXmlStreamReader::EntityReference) {
256 1 setError(error, QStringLiteral("DTDs and entities are not allowed"));
257 1 return std::nullopt;
258 }
259
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 127 if (token == QXmlStreamReader::StartElement) {
260
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 65 if (++depth > kMaxDepth) {
261 1 setError(error, QStringLiteral("push message nested too deeply"));
262 1 return std::nullopt;
263 }
264
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 64 if (!rootSeen) {
265
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 15 if (!isPush(reader, u"push-message")) {
266 2 setError(error, QStringLiteral("root element is not push-message"));
267 2 return std::nullopt;
268 }
269 13 rootSeen = true;
270
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 73 } else if (depth == 2 && isPush(reader, u"topic")) {
271
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 10 message.topic = reader.readElementText(QXmlStreamReader::SkipChildElements).trimmed();
272 10 --depth;
273 10 continue;
274
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 53 } else if (depth == 2 && isPush(reader, u"content-update")) {
275 9 message.contentUpdate = true;
276
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 35 } else if (depth == 2 && isPush(reader, u"property-update")) {
277 3 message.propertyUpdate = true;
278
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 34 } else if (depth == 3 && path.value(1) == QLatin1String("content-update") && isDav(reader, u"sync-token")) {
279
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 7 message.syncToken = reader.readElementText(QXmlStreamReader::SkipChildElements).trimmed();
280 7 --depth;
281 7 continue;
282
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 22 } else if (depth == 4 && path.value(1) == QLatin1String("property-update") && isPush(reader, u"transports")) {
283 2 message.transportsChanged = true;
284 }
285
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 45 const bool own = reader.namespaceUri() == kNamespace;
286
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 45 path.append(own ? reader.name().toString() : QString());
287
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 62 } else if (token == QXmlStreamReader::EndElement) {
288 28 --depth;
289
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 28 if (!path.isEmpty()) path.removeLast();
290 }
291 }
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 12 if (reader.hasError() || !rootSeen) {
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 2 setError(error, QStringLiteral("invalid push message XML: %1").arg(reader.errorString()));
294 1 return std::nullopt;
295 }
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 11 if (message.topic.isEmpty() && !message.transportsChanged) {
297 1 setError(error, QStringLiteral("push message without topic"));
298 1 return std::nullopt;
299 }
300 10 return message;
301 16 }
302
303 140 std::optional<qint64> parseHttpDate(const QString &value) {
304 6 static const QRegularExpression pattern(QStringLiteral(
305
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 146 R"(^(?:[A-Za-z]{3},\s*)?(\d{1,2})\s+([A-Za-z]{3})\s+(\d{4})\s+(\d{2}):(\d{2}):(\d{2})\s+(GMT|UTC|Z|[+-]\d{4})\+?$)"));
306 3 static const QStringList months{QStringLiteral("jan"), QStringLiteral("feb"), QStringLiteral("mar"),
307 3 QStringLiteral("apr"), QStringLiteral("may"), QStringLiteral("jun"),
308 3 QStringLiteral("jul"), QStringLiteral("aug"), QStringLiteral("sep"),
309
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 182 QStringLiteral("oct"), QStringLiteral("nov"), QStringLiteral("dec")};
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 140 const auto match = pattern.match(value.trimmed());
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 140 if (!match.hasMatch()) return std::nullopt;
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 72 const int month = months.indexOf(match.captured(2).toLower()) + 1;
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 72 const QDate date(match.captured(3).toInt(), month, match.captured(1).toInt());
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 72 const QTime time(match.captured(4).toInt(), match.captured(5).toInt(), match.captured(6).toInt());
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 72 if (month == 0 || !date.isValid() || !time.isValid()) return std::nullopt;
316 71 qint64 offsetSeconds = 0;
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 71 const QString zone = match.captured(7);
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 71 if (zone.startsWith(QLatin1Char('+')) || zone.startsWith(QLatin1Char('-'))) {
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 63 const int hours = zone.mid(1, 2).toInt();
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 63 const int minutes = zone.mid(3, 2).toInt();
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 63 if (hours > 23 || minutes > 59) return std::nullopt;
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 63 offsetSeconds = (hours * 3600 + minutes * 60) * (zone.startsWith(QLatin1Char('-')) ? -1 : 1);
323 }
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 71 return QDateTime(date, time, QTimeZone::utc()).toSecsSinceEpoch() - offsetSeconds;
325 179 }
326
327 } // namespace DavPushXml
328