Api to get certificate's chain on error

Expose certificate's chain on validation error starting with
the immediate certificate and ending with the CA's certificate.

[ChangeLog][QtWebEngineWidgets][QWebEngineCertificateError] New method
to get the peer's chain of digital certificates.

Fixes: QTBUG-51176
Change-Id: I799dfe9e44f9f2517f4691d175beee256114af79
Reviewed-by: Michael Brüning <michael.bruning@qt.io>

4 files changed, 94 insertions, 85 deletions

diff --git a/tests/auto/shared/httpsserver.h b/tests/auto/shared/httpsserver.h
index 76287a7e5..32c8e8345 100644
--- a/tests/auto/shared/httpsserver.h
+++ b/tests/auto/shared/httpsserver.h
@@ -41,7 +41,7 @@
 struct SslTcpServer : QTcpServer
 {
     SslTcpServer() {
-        sslconf.setLocalCertificate(QSslCertificate::fromPath(":/resources/cert.pem").first());
+        sslconf.setLocalCertificateChain(QSslCertificate::fromPath(":/resources/cert.pem"));
         sslconf.setPrivateKey(readKey(":/resources/key.pem"));
     }
 
diff --git a/tests/auto/shared/resources/cert.pem b/tests/auto/shared/resources/cert.pem
index 518642d1d..3aaaf289c 100644
--- a/tests/auto/shared/resources/cert.pem
+++ b/tests/auto/shared/resources/cert.pem
@@ -1,34 +1,64 @@
 -----BEGIN CERTIFICATE-----
-MIIF3zCCA8egAwIBAgIULwmp8VArl0GVaR6HLEf/U1XNdJ8wDQYJKoZIhvcNAQEL
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+-----END CERTIFICATE-----
+-----BEGIN CERTIFICATE-----
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 -----END CERTIFICATE-----
diff --git a/tests/auto/shared/resources/key.pem b/tests/auto/shared/resources/key.pem
index bd350d7fb..89922679a 100644
--- a/tests/auto/shared/resources/key.pem
+++ b/tests/auto/shared/resources/key.pem
@@ -1,52 +1,27 @@
------BEGIN PRIVATE KEY-----
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------END PRIVATE KEY-----
+-----BEGIN RSA PRIVATE KEY-----
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+dTdBE4ECgYEAw6jBEil0e8Pc9sGqnz93e8qrYE9wSPso4q3BNJgTbN48kon6mqh7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+-----END RSA PRIVATE KEY-----
diff --git a/tests/auto/widgets/certificateerror/tst_certificateerror.cpp b/tests/auto/widgets/certificateerror/tst_certificateerror.cpp
index b002dc363..5fd765ed5 100644
--- a/tests/auto/widgets/certificateerror/tst_certificateerror.cpp
+++ b/tests/auto/widgets/certificateerror/tst_certificateerror.cpp
@@ -96,6 +96,10 @@ void tst_CertificateError::handleError()
     page.setUrl(server.url());
     QTRY_VERIFY(page.error);
     QVERIFY(page.error->isOverridable());
+    auto chain = page.error->chain();
+    QCOMPARE(chain.size(), 2);
+    QCOMPARE(chain[0].serialNumber(), "3b:dd:1a:b7:2f:40:32:3b:c1:bf:37:d4:86:bd:56:c1:d0:6b:2a:43");
+    QCOMPARE(chain[1].serialNumber(), "6d:52:fb:b4:57:3b:b2:03:c8:62:7b:7e:44:45:5c:d3:08:87:74:17");
 
     if (deferError) {
         QVERIFY(page.error->deferred());