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Really basic implementation of Downloader which might replace current...
jeandet -
r1342:91cbf8a85daf
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@@ -0,0 +1,36
1 #ifndef DOWNLOADER_H
2 #define DOWNLOADER_H
3
4 #include "CoreGlobal.h"
5 #include "Response.h"
6
7 #include <Common/MetaTypes.h>
8 #include <Common/spimpl.h>
9 #include <functional>
10
11 #include <QString>
12 #include <QByteArray>
13
14 /**
15 * @brief The Downloader handles all data donwloads in SciQLOP.
16 */
17 class SCIQLOP_CORE_EXPORT Downloader{
18 public:
19 static Response get(const QString& url);
20 static Response get(const QString& url, const QString& user, const QString& passwd);
21
22 static Downloader& instance()
23 {
24 static Downloader inst;
25 return inst;
26 }
27
28 private:
29 class p_Downloader;
30
31 explicit Downloader();
32
33 spimpl::unique_impl_ptr<Downloader::p_Downloader> impl;
34 };
35
36 #endif // DOWNLOADER_H
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@@ -0,0 +1,25
1 #ifndef RESPONSE_H
2 #define RESPONSE_H
3
4 #include <QByteArray>
5 #include <QString>
6
7 /**
8 * @brief The Response class holds a Network request response
9 *
10 */
11 class Response
12 {
13 int _status_code;
14 QByteArray _data;
15 public:
16 Response(){}
17 Response(QByteArray data, int status_code)
18 :_status_code(status_code),_data(data)
19 {
20
21 }
22 int status_code(){return _status_code;}
23 QByteArray& data(){return _data;}
24 };
25 #endif // RESPONSE_H
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@@ -0,0 +1,69
1 #include <Network/Downloader.h>
2 #include <memory>
3
4 #include <QNetworkRequest>
5 #include <QNetworkReply>
6 #include <QNetworkAccessManager>
7 #include <QAuthenticator>
8 #include <QVariant>
9 #include <QHash>
10 #include <QPair>
11 #include <QCoreApplication>
12
13 class Downloader::p_Downloader
14 {
15 using login_pair=QPair<QString,QString>;
16 QNetworkAccessManager manager;
17 QHash<QString,login_pair> auth;
18
19 public:
20 explicit p_Downloader()
21 {
22
23 auto login_bambda = [this](QNetworkReply * reply, QAuthenticator * authenticator)
24 {
25 if(auth.contains(reply->url().toString()))
26 {
27 auto login = auth[reply->url().toString()];
28 authenticator->setUser(login.first);
29 authenticator->setPassword(login.second);
30 }
31 };
32 QObject::connect(&manager, &QNetworkAccessManager::authenticationRequired, login_bambda);
33 }
34
35 Response get(const QString& url, const QString &user="", const QString &passwd="")
36 {
37 QNetworkRequest request;
38 request.setUrl(QUrl(url));
39 request.setRawHeader("User-Agent", "SciQLop 1.0");
40 if(user!="" and passwd!="")
41 {
42 //might grow quickly since we can have tons of URLs for the same host
43 auth[url]=login_pair(user,passwd);
44 QString login = "Basic "+user+":"+passwd;
45 request.setRawHeader("Authorization",login.toLocal8Bit());
46 }
47 QNetworkReply *reply = manager.get(request);
48 while (!reply->isFinished())
49 QCoreApplication::processEvents();
50 QVariant status_code = reply->attribute(QNetworkRequest::HttpStatusCodeAttribute);
51 return Response(reply->readAll(), status_code.toInt());
52 }
53 };
54
55 Response Downloader::get(const QString &url)
56 {
57 return Downloader::instance().impl->get(url);
58 }
59
60 Response Downloader::get(const QString &url, const QString &user, const QString &passwd)
61 {
62 return Downloader::instance().impl->get(url, user, passwd);
63 }
64
65 Downloader::Downloader()
66 :impl(spimpl::make_unique_impl<p_Downloader>())
67 {
68 }
69
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@@ -0,0 +1,59
1 #include <Network/Downloader.h>
2 #include <QtTest>
3 #include <QObject>
4
5
6 class TestDownloader : public QObject
7
8 {
9 Q_OBJECT
10 public:
11 explicit TestDownloader(QObject *parent = nullptr) : QObject(parent){}
12 signals:
13
14 private slots:
15 void initTestCase(){}
16 void cleanupTestCase(){}
17
18 void simpleGet()
19 {
20 auto resp = Downloader::get("https://httpbin.org/user-agent");
21 QCOMPARE(resp.status_code(), 200);
22 QCOMPARE(resp.data(), QString("{\n \"user-agent\": \"SciQLop 1.0\"\n}\n"));
23 }
24
25 void wrongUrl()
26 {
27 auto resp = Downloader::get("https://lpp.polytechniqe2.fr");
28 QCOMPARE(resp.status_code(), 0);
29 resp = Downloader::get("https://hephaistos.lpp.polytechnique.fr/will_never_exist");
30 QCOMPARE(resp.status_code(), 404);
31
32 }
33
34 void authGet_data()
35 {
36 QTest::addColumn<QString>("url");
37 QTest::addColumn<int>("code");
38
39 QTest::newRow("basic-auth") << "https://httpbin.org/basic-auth/user/passwd" << 200;
40 QTest::newRow("digest-auth") << "https://httpbin.org/digest-auth/auth/user/passwd" << 200;
41 QTest::newRow("hidden-basic-auth") << "https://httpbin.org/hidden-basic-auth/user/passwd" << 404;
42 }
43
44 void authGet()
45 {
46 QFETCH(QString, url);
47 QFETCH(int, code);
48 auto resp = Downloader::get(url, "user", "passwd");
49 QCOMPARE(resp.status_code(), code);
50 }
51
52 private:
53
54 };
55
56
57 QTEST_MAIN(TestDownloader)
58
59 #include "TestDownloader.moc"
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@@ -66,6 +66,7 FILE (GLOB_RECURSE core_SRCS
66 66 ./src/Data/DataSeriesUtils.cpp
67 67 ./src/Data/VectorSeries.cpp
68 68 ./src/Network/NetworkController.cpp
69 ./src/Network/Downloader.cpp
69 70 ./src/Catalogue/CatalogueController.cpp
70 71 ./src/Visualization/VisualizationController.cpp
71 72 ./src/PluginManager/PluginManager.cpp
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@@ -31,3 +31,4 declare_test(TestVariableCacheController TestVariableCacheController Variable/Te
31 31 declare_test(TestVariableController TestVariableController Variable/TestVariableController.cpp "sciqlopcore;Qt5::Test")
32 32 declare_test(TestVariableSync TestVariableSync Variable/TestVariableSync.cpp "sciqlopcore;Qt5::Test")
33 33
34 declare_test(TestDownloader TestDownloader Network/TestDownloader.cpp "sciqlopcore;Qt5::Test")
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