Set referrer on download requests

Note that the Referer header still won't be sent if the download is triggered
via an anchor element with the 'download' attribute: crbug.com/455987 .

Task-number: QTBUG-61354
Change-Id: I5af971af916b2190756e3e58f19736072a213922
Reviewed-by: Michal Klocek <michal.klocek@qt.io>

1 files changed, 42 insertions, 0 deletions

diff --git a/src/core/web_contents_adapter_client.h b/src/core/web_contents_adapter_client.h
index e1fb3dc4c..3cc5350df 100644
--- a/src/core/web_contents_adapter_client.h
+++ b/src/core/web_contents_adapter_client.h
@@ -71,6 +71,17 @@ class WebContentsAdapter;
 class WebContentsDelegateQt;
 class WebEngineSettings;
 
+// Must match blink::WebReferrerPolicy
+enum class ReferrerPolicy {
+    Always,
+    Default,
+    NoReferrerWhenDowngrade,
+    Never,
+    Origin,
+    OriginWhenCrossOrigin,
+    NoReferrerWhenDowngradeOriginWhenCrossOrigin,
+    Last = NoReferrerWhenDowngradeOriginWhenCrossOrigin,
+};
 
 class WebEngineContextMenuSharedData : public QSharedData {
 
@@ -96,6 +107,9 @@ public:
     QString suggestedFileName;
     QString misspelledWord;
     QStringList spellCheckerSuggestions;
+    QUrl pageUrl;
+    QUrl frameUrl;
+    ReferrerPolicy referrerPolicy = ReferrerPolicy::Default;
     // Some likely candidates for future additions as we add support for the related actions:
     //    bool isImageBlocked;
     //    <enum tbd> mediaType;
@@ -244,6 +258,34 @@ public:
         return d->spellCheckerSuggestions;
     }
 
+    void setFrameUrl(const QUrl &url) {
+        d->frameUrl = url;
+    }
+
+    QUrl frameUrl() const {
+        return d->frameUrl;
+    }
+
+    void setPageUrl(const QUrl &url) {
+        d->pageUrl = url;
+    }
+
+    QUrl pageUrl() const {
+        return d->pageUrl;
+    }
+
+    QUrl referrerUrl() const {
+        return !d->frameUrl.isEmpty() ? d->frameUrl : d->pageUrl;
+    }
+
+    void setReferrerPolicy(ReferrerPolicy referrerPolicy) {
+        d->referrerPolicy = referrerPolicy;
+    }
+
+    ReferrerPolicy referrerPolicy() const {
+        return d->referrerPolicy;
+    }
+
 private:
     QSharedDataPointer<WebEngineContextMenuSharedData> d;
 };