TokenCredentials, DirectDownload: Rework cookie handling

That way we don't override QNAM's cookie jar behaviour

src/creds/tokencredentials.cpp

@@ -17,6 +17,7 @@
 #include <QDebug>
 #include <QNetworkReply>
 #include <QSettings>
+#include <QNetworkCookieJar>
 
 #include "mirall/account.h"
 #include "mirall/mirallaccessmanager.h"
@@ -88,10 +89,9 @@ protected:
         QByteArray credHash = QByteArray(_cred->user().toUtf8()+":"+_cred->password().toUtf8()).toBase64();
         req.setRawHeader(QByteArray("Authorization"), QByteArray("Basic ") + credHash);
 
-        if (!req.hasRawHeader("Cookie")) {
-            // Only use our token if the request doesn't have a cookie already (e.g. because of direct download URL)
-            req.setRawHeader("Cookie", _cred->_token.toUtf8()); // analogous to neon in syncContextPreStart
-        }
+        // A pre-authenticated cookie
+        QByteArray token = _cred->_token.toUtf8();
+        setRawCookie(token, request.url());
 
         return MirallAccessManager::createRequest(op, req, outgoingData);
     }

src/mirall/mirallaccessmanager.cpp

@@ -15,6 +15,8 @@
 #include <QNetworkProxy>
 #include <QAuthenticator>
 #include <QSslConfiguration>
+#include <QNetworkCookie>
+#include <QNetworkCookieJar>
 
 #include "mirall/cookiejar.h"
 #include "mirall/mirallaccessmanager.h"
@@ -37,9 +39,27 @@ MirallAccessManager::MirallAccessManager(QObject* parent)
                      this, SLOT(slotProxyAuthenticationRequired(QNetworkProxy,QAuthenticator*)));
 }
 
+void MirallAccessManager::setRawCookie(const QByteArray &rawCookie, const  QUrl &url)
+{
+    QNetworkCookie cookie(rawCookie.left(rawCookie.indexOf('=')),
+                          rawCookie.mid(rawCookie.indexOf('=')+1));
+    qDebug() << Q_FUNC_INFO << cookie.name() << cookie.value();
+    QList<QNetworkCookie> cookieList;
+    cookieList.append(cookie);
+
+    QNetworkCookieJar *jar = cookieJar();
+    jar->setCookiesFromUrl(cookieList, url);
+}
+
 QNetworkReply* MirallAccessManager::createRequest(QNetworkAccessManager::Operation op, const QNetworkRequest& request, QIODevice* outgoingData)
 {
     QNetworkRequest newRequest(request);
+
+    if (newRequest.hasRawHeader("cookie")) {
+        // This will set the cookie into the QNetworkCookieJar which will then override the cookie header
+        setRawCookie(request.rawHeader("cookie"), request.url());
+    }
+
     newRequest.setRawHeader(QByteArray("User-Agent"), Utility::userAgentString());
     QByteArray verb = newRequest.attribute(QNetworkRequest::CustomVerbAttribute).toByteArray();
     // For PROPFIND (assumed to be a WebDAV op), set xml/utf8 as content type/encoding

src/mirall/mirallaccessmanager.h

@@ -17,6 +17,8 @@
 #include "owncloudlib.h"
 #include <QNetworkAccessManager>
 
+class QByteArray;
+class QUrl;
 namespace Mirall
 {
 
@@ -27,6 +29,8 @@ class OWNCLOUDSYNC_EXPORT MirallAccessManager : public QNetworkAccessManager
 public:
     MirallAccessManager(QObject* parent = 0);
 
+    void setRawCookie(const  QByteArray &rawCookie, const  QUrl &url);
+
 protected:
     QNetworkReply* createRequest(QNetworkAccessManager::Operation op, const QNetworkRequest& request, QIODevice* outgoingData = 0);
 protected slots:

src/mirall/propagator_qnam.cpp

@@ -528,7 +528,6 @@ void GETFileJob::start() {
         setReply(davRequest("GET", path(), req));
     } else {
         // Use direct URL
-        req.setAttribute(QNetworkRequest::CookieLoadControlAttribute, QNetworkRequest::Manual);
         setReply(davRequest("GET", _directDownloadUrl, req));
     }
     setupConnections(reply());