1 files changed, 87 insertions, 0 deletions
diff --git a/dom/xslt/base/txURIUtils.cpp b/dom/xslt/base/txURIUtils.cpp
new file mode 100644
index 0000000000..bbb06221cf
--- /dev/null
+++ b/dom/xslt/base/txURIUtils.cpp
@@ -0,0 +1,87 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "txURIUtils.h"
+#include "nsNetUtil.h"
+#include "mozilla/dom/Document.h"
+#include "nsIPrincipal.h"
+#include "mozilla/LoadInfo.h"
+#include "mozilla/dom/nsCSPContext.h"
+
+using mozilla::dom::Document;
+using mozilla::net::LoadInfo;
+
+/**
+ * URIUtils
+ * A set of utilities for handling URIs
+ **/
+
+/**
+ * Resolves the given href argument, using the given documentBase
+ * if necessary.
+ * The new resolved href will be appended to the given dest String
+ **/
+void URIUtils::resolveHref(const nsAString& href, const nsAString& base,
+                           nsAString& dest) {
+  if (base.IsEmpty()) {
+    dest.Append(href);
+    return;
+  }
+  if (href.IsEmpty()) {
+    dest.Append(base);
+    return;
+  }
+  nsCOMPtr<nsIURI> pURL;
+  nsAutoString resultHref;
+  nsresult result = NS_NewURI(getter_AddRefs(pURL), base);
+  if (NS_SUCCEEDED(result)) {
+    NS_MakeAbsoluteURI(resultHref, href, pURL);
+    dest.Append(resultHref);
+  }
+}  //-- resolveHref
+
+// static
+void URIUtils::ResetWithSource(Document* aNewDoc, nsINode* aSourceNode) {
+  nsCOMPtr<Document> sourceDoc = aSourceNode->OwnerDoc();
+  nsIPrincipal* sourcePrincipal = sourceDoc->NodePrincipal();
+  nsIPrincipal* sourcePartitionedPrincipal = sourceDoc->PartitionedPrincipal();
+
+  // Copy the channel and loadgroup from the source document.
+  nsCOMPtr<nsILoadGroup> loadGroup = sourceDoc->GetDocumentLoadGroup();
+  nsCOMPtr<nsIChannel> channel = sourceDoc->GetChannel();
+  if (!channel) {
+    // Need to synthesize one
+    nsresult rv = NS_NewChannel(
+        getter_AddRefs(channel), sourceDoc->GetDocumentURI(), sourceDoc,
+        nsILoadInfo::SEC_FORCE_INHERIT_PRINCIPAL, nsIContentPolicy::TYPE_OTHER,
+        nullptr,  // aPerformanceStorage
+        loadGroup,
+        nullptr,  // aCallbacks
+        nsIChannel::LOAD_BYPASS_SERVICE_WORKER);
+
+    if (NS_FAILED(rv)) {
+      return;
+    }
+  }
+
+  aNewDoc->Reset(channel, loadGroup);
+  aNewDoc->SetPrincipals(sourcePrincipal, sourcePartitionedPrincipal);
+  aNewDoc->SetBaseURI(sourceDoc->GetDocBaseURI());
+  aNewDoc->SetSandboxFlags(sourceDoc->GetSandboxFlags());
+  aNewDoc->SetReferrerInfo(sourceDoc->GetReferrerInfo());
+  aNewDoc->SetEmbedderPolicy(sourceDoc->GetEmbedderPolicy());
+
+  // Inherit the csp if there is one
+  nsCOMPtr<nsIContentSecurityPolicy> csp = sourceDoc->GetCsp();
+  if (csp) {
+    RefPtr<nsCSPContext> cspToInherit = new nsCSPContext();
+    cspToInherit->InitFromOther(static_cast<nsCSPContext*>(csp.get()));
+    aNewDoc->SetCsp(cspToInherit);
+  }
+  // Copy charset
+  aNewDoc->SetDocumentCharacterSetSource(
+      sourceDoc->GetDocumentCharacterSetSource());
+  aNewDoc->SetDocumentCharacterSet(sourceDoc->GetDocumentCharacterSet());
+}