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: 84.8% 145 / 0 / 171
Functions: 100.0% 13 / 0 / 13
Branches: 71.8% 163 / 0 / 227
service/ConnectionDiagnosis.cpp
Line Branch Exec Source
1 #include "ConnectionDiagnosis.h"
2 #include <QCryptographicHash>
3 #include <QLocale>
4 #include <QSslCertificate>
5
6 namespace {
7 35 Diagnosis make(const ConnectionDiagnosis::Input &input, const QString &kind, const QString &message,
8 const QString &action, const QString &actionLabel, const QString &field) {
9 35 Diagnosis result;
10 35 result.service = input.service;
11 35 result.kind = kind;
12 35 result.message = message;
13 35 result.action = action;
14 35 result.actionLabel = actionLabel;
15 35 result.field = field;
16
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 35 result.detail = input.serverText.left(500);
17 35 return result;
18 ✗ }
19 35 QString hostPort(const ConnectionDiagnosis::Input &input) {
20
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 69 return input.port > 0 ? QStringLiteral("%1:%2").arg(input.host).arg(input.port) : input.host;
21 }
22 // S106-008: every verification error of the presented chain is a
23 // certificate problem (the card shows subject and SHA-256) — the former
24 // allow-list missed real chain errors such as PathLengthExceeded,
25 // CertificateSignatureFailed, InvalidPurpose or a broken validity field.
26 // Only the errors that say nothing about the certificate stay out.
27 10 bool isCertificateError(QSslError::SslError error) {
28
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 10 switch (error) {
29 1 case QSslError::NoError:
30 case QSslError::NoSslSupport:
31 case QSslError::UnspecifiedError:
32 1 return false;
33 9 default:
34 9 return true;
35 }
36 }
37 } // namespace
38
39 18 QVariantMap Diagnosis::toMap() const {
40 54 QVariantMap map{{QStringLiteral("kind"), kind}, {QStringLiteral("service"), service},
41 54 {QStringLiteral("message"), message}, {QStringLiteral("action"), action},
42 54 {QStringLiteral("actionLabel"), actionLabel}, {QStringLiteral("field"), field},
43 54 {QStringLiteral("detail"), detail}, {QStringLiteral("helpUrl"), helpUrl},
44
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 198 {QStringLiteral("suggestedPort"), suggestedPort}};
45
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 18 if (!certificate.isEmpty())
46 ✗ map.insert(QStringLiteral("certificate"),
47 ✗ QVariantMap{{QStringLiteral("subject"), certificate.subject}, {QStringLiteral("issuer"), certificate.issuer},
48 ✗ {QStringLiteral("validFrom"), certificate.validFrom}, {QStringLiteral("validTo"), certificate.validTo},
49 ✗ {QStringLiteral("sha256"), certificate.sha256}});
50 18 return map;
51 180 }
52
53 14 QString ConnectionDiagnosis::serviceWord(const QString &service) {
54
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 14 if (service == QLatin1String("imap")) return tr("incoming server");
55
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 7 if (service == QLatin1String("smtp")) return tr("outgoing server");
56 ✗ if (service == QLatin1String("sieve")) return tr("rule server");
57 ✗ return tr("calendar and contact server");
58 }
59
60 9 int ConnectionDiagnosis::usualPort(const QString &service) {
61
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 9 if (service == QLatin1String("imap")) return 993;
62
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 3 if (service == QLatin1String("smtp")) return 465;
63 ✗ if (service == QLatin1String("sieve")) return 4190;
64 ✗ return 443;
65 }
66
67 18 QString ConnectionDiagnosis::appPasswordProvider(const QString &addressOrHost) {
68
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 18 const QString domain = addressOrHost.section('@', -1).toLower();
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 28 static const QStringList google = {"gmail.com", "googlemail.com", "imap.gmail.com", "smtp.gmail.com"};
70 static const QStringList microsoft = {"outlook.com", "hotmail.com", "live.com", "msn.com", "outlook.office365.com",
71
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 34 "smtp-mail.outlook.com", "smtp.office365.com"};
72
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 30 static const QStringList apple = {"icloud.com", "me.com", "mac.com", "imap.mail.me.com", "smtp.mail.me.com"};
73
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 21 if (google.contains(domain)) return QStringLiteral("google");
74
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 16 if (microsoft.contains(domain)) return QStringLiteral("microsoft");
75
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 15 if (apple.contains(domain)) return QStringLiteral("apple");
76 13 return {};
77 24 }
78
79 5 QString ConnectionDiagnosis::appPasswordHelpUrl(const QString &provider) {
80
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 8 if (provider == QLatin1String("google")) return QStringLiteral("https://support.google.com/accounts/answer/185833");
81
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 2 if (provider == QLatin1String("microsoft"))
82 1 return QStringLiteral("https://support.microsoft.com/account-billing/5896ed9b-4263-e681-128a-a6f2979a7944");
83
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 2 if (provider == QLatin1String("apple")) return QStringLiteral("https://support.apple.com/102654");
84 ✗ return {};
85 }
86
87 2 QString ConnectionDiagnosis::providerName(const QString &provider) {
88
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 4 if (provider == QLatin1String("google")) return QStringLiteral("Google");
89 ✗ if (provider == QLatin1String("microsoft")) return QStringLiteral("Microsoft");
90 ✗ if (provider == QLatin1String("apple")) return QStringLiteral("Apple");
91 ✗ return {};
92 }
93
94 9 CertificateInfo ConnectionDiagnosis::certificateInfo(const QSslCertificate &certificate) {
95 9 CertificateInfo info;
96
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 9 if (certificate.isNull()) return info;
97
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 4 info.subject = certificate.subjectInfo(QSslCertificate::CommonName).join(QStringLiteral(", "));
98
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 4 info.issuer = certificate.issuerInfo(QSslCertificate::CommonName).join(QStringLiteral(", "));
99
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 2 if (info.issuer.isEmpty()) info.issuer = certificate.issuerInfo(QSslCertificate::Organization).join(QStringLiteral(", "));
100
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 2 info.validFrom = QLocale().toString(certificate.effectiveDate().date(), QLocale::ShortFormat);
101
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 2 info.validTo = QLocale().toString(certificate.expiryDate().date(), QLocale::ShortFormat);
102
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 2 const QByteArray digest = certificate.digest(QCryptographicHash::Sha256).toHex().toUpper();
103 2 QStringList pairs;
104
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 66 for (int i = 0; i < digest.size(); i += 2) pairs << QString::fromLatin1(digest.mid(i, 2));
105
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 2 info.sha256 = pairs.join(QLatin1Char(':'));
106 2 return info;
107 2 }
108
109 15 Diagnosis ConnectionDiagnosis::success(const QString &service) {
110 15 Diagnosis result;
111 15 result.kind = QStringLiteral("ok");
112 15 result.service = service;
113 15 return result;
114 }
115
116 9 Diagnosis ConnectionDiagnosis::certificateProblem(const Input &input, const QSslError &error) {
117 9 const QString host = input.host;
118 9 QString message;
119 9 QString action = QStringLiteral("ask-admin");
120
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 9 QString label = tr("Ask your administrator");
121
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 9 switch (error.error()) {
122 ✗ case QSslError::CertificateExpired:
123 ✗ message = tr("The certificate of %1 expired on %2.")
124 ✗ .arg(host, QLocale().toString(error.certificate().expiryDate().date(), QLocale::LongFormat));
125 ✗ break;
126 ✗ case QSslError::CertificateNotYetValid:
127 ✗ message = tr("The certificate of %1 is not valid yet. Check the date and time of this computer.").arg(host);
128 ✗ break;
129 1 case QSslError::HostNameMismatch:
130
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 1 message = tr("The certificate of %1 was issued for %2. Check the server name.")
131
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 2 .arg(host, error.certificate().subjectInfo(QSslCertificate::CommonName).join(QStringLiteral(", ")));
132 1 action = QStringLiteral("check-server-name");
133
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 1 label = tr("Check the server name");
134 1 break;
135 1 case QSslError::SelfSignedCertificate:
136 case QSslError::SelfSignedCertificateInChain:
137
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 2 message = tr("The certificate of %1 is self-signed. MailJD only trusts certificates from a known authority.").arg(host);
138 1 break;
139 7 default:
140
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 14 message = tr("The certificate of %1 is not from a trusted authority.").arg(host);
141 7 break;
142 }
143
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 18 Diagnosis result = make(input, QStringLiteral("tls-certificate"), message, action, label, QStringLiteral("host"));
144
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 9 result.certificate = certificateInfo(error.certificate());
145
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 9 if (result.detail.isEmpty()) result.detail = error.errorString();
146 9 return result;
147 9 }
148
149 35 Diagnosis ConnectionDiagnosis::diagnose(const Input &input) {
150
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 35 const QString where = hostPort(input);
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 35 if (input.offline)
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 3 return make(input, QStringLiteral("offline"), tr("You are offline."), QStringLiteral("retry"), tr("Try again"), {});
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 35 for (const auto &error : input.sslErrors)
154
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 10 if (isCertificateError(error.error())) return certificateProblem(input, error);
155
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 25 if (input.tlsUnavailable)
156 8 return make(input, QStringLiteral("tls-missing"),
157
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 12 tr("%1 does not offer an encrypted connection. MailJD does not send passwords unencrypted.").arg(where),
158
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 16 QStringLiteral("change-security"), tr("Change server details"), QStringLiteral("security"));
159
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 21 if (input.rateLimited) {
160 9 Diagnosis result = make(input, QStringLiteral("rate-limited"),
161
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 6 tr("The server refuses new logins for a while. Try again in a few minutes."),
162
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 12 QStringLiteral("retry"), tr("Try again"), {});
163 3 result.suggestedPort = 0;
164 3 return result;
165 3 }
166
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 18 if (input.authRejected) {
167
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 11 const QString provider = appPasswordProvider(input.account.isEmpty() ? input.host : input.account);
168
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 11 if (!provider.isEmpty()) {
169 2 Diagnosis result = make(input, QStringLiteral("auth-app-password"),
170
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 1 tr("%1 does not accept your normal password here. Create an app password and enter it instead.")
171
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 2 .arg(providerName(provider)),
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 4 QStringLiteral("app-password-help"), tr("How to create one"), QStringLiteral("password"));
173
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 1 result.helpUrl = appPasswordHelpUrl(provider);
174 1 return result;
175 1 }
176
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 10 const QString who = input.account.isEmpty() ? tr("this account") : input.account;
177 20 return make(input, QStringLiteral("auth"),
178
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 20 tr("The %1 did not accept the password for %2.").arg(serviceWord(input.service), who),
179
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 40 QStringLiteral("retry"), tr("Try again"), QStringLiteral("password"));
180 11 }
181
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 7 if (input.protocolMismatch) {
182 6 Diagnosis result = make(input, QStringLiteral("protocol"),
183
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 6 tr("%1 is not a %2. Port %3 is usual.").arg(where, serviceWord(input.service))
184
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 6 .arg(usualPort(input.service)),
185
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 15 QStringLiteral("use-port"), tr("Use port %1").arg(usualPort(input.service)), QStringLiteral("port"));
186 3 result.suggestedPort = usualPort(input.service);
187 3 return result;
188 3 }
189
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 4 if (input.socketFailed) {
190
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 3 switch (input.socketError) {
191 1 case QAbstractSocket::HostNotFoundError:
192
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 4 return make(input, QStringLiteral("host-not-found"), tr("The server %1 does not exist. Check the name.").arg(input.host),
193
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 4 QStringLiteral("change-server"), tr("Change server"), QStringLiteral("host"));
194 2 case QAbstractSocket::ConnectionRefusedError:
195 case QAbstractSocket::SocketTimeoutError:
196 case QAbstractSocket::NetworkError:
197 case QAbstractSocket::RemoteHostClosedError:
198 8 return make(input, QStringLiteral("unreachable"),
199
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 2 tr("%1 does not answer on port %2. The server may be down, or a firewall blocks the connection.")
200
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 6 .arg(input.host).arg(input.port),
201
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 8 QStringLiteral("retry"), tr("Try again"), {});
202 ✗ case QAbstractSocket::SslHandshakeFailedError:
203 ✗ return make(input, QStringLiteral("tls-missing"),
204 ✗ tr("%1 does not offer an encrypted connection. MailJD does not send passwords unencrypted.").arg(where),
205 ✗ QStringLiteral("change-security"), tr("Change server details"), QStringLiteral("security"));
206 ✗ default:
207 ✗ break;
208 }
209 }
210
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 5 return make(input, QStringLiteral("server"), tr("The server reported a problem."), QStringLiteral("retry"),
211
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 3 tr("Try again"), {});
212 35 }
213