Bug 1696111 - Add functions to determine opaque-safelisted MIME type, opaque-blocklisted MIME type and opaque-blocklisted-never-sniffed MIME type; r=necko-reviewers,dragana

These functions are defined at https://github.com/annevk/orb.

Differential Revision: https://phabricator.services.mozilla.com/D102447

netwerk/mime/nsMimeTypes.h

@@ -76,6 +76,45 @@
 #define APPLICATION_WAPXHTML_XML "application/vnd.wap.xhtml+xml"
 #define APPLICATION_PACKAGE "application/package"
 #define APPLICATION_WASM "application/wasm"
+#define APPLICATION_MSEXCEL "application/msexcel"
+#define APPLICATION_MSPPT "application/mspowerpoint"
+#define APPLICATION_MSWORD "application/msword"
+#define APPLICATION_MSWORD_TEMPLATE "application/msword-template"
+#define APPLICATION_VND_CES_QUICKPOINT "application/vnd.ces-quickpoint"
+#define APPLICATION_VND_CES_QUICKSHEET "application/vnd.ces-quicksheet"
+#define APPLICATION_VND_CES_QUICKWORD "application/vnd.ces-quickword"
+#define APPLICATION_VND_MS_EXCEL "application/vnd.ms-excel"
+#define APPLICATION_VND_MS_EXCEL2 \
+  "application/vnd.ms-excel.sheet.macroenabled.12"
+#define APPLICATION_VND_MS_PPT "application/vnd.ms-powerpoint"
+#define APPLICATION_VND_MS_PPT2 \
+  "application/vnd.ms-powerpoint.presentation.macroenabled.12"
+#define APPLICATION_VND_MS_WORD "application/vnd.ms-word"
+#define APPLICATION_VND_MS_WORD2 "application/vnd.ms-word.document.12"
+#define APPLICATION_VND_MS_WORD3 \
+  "application/vnd.ms-word.document.macroenabled.12"
+#define APPLICATION_VND_MSWORD "application/vnd.msword"
+#define APPLICATION_VND_PRESENTATIONML_PRESENTATION \
+  "application/vnd.openxmlformats-officedocument.presentationml.presentation"
+#define APPLICATION_VND_PRESENTATIONML_TEMPLATE \
+  "application/vnd.openxmlformats-officedocument.presentationml.template"
+#define APPLICATION_VND_SPREADSHEETML_SHEET \
+  "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"
+#define APPLICATION_VND_SPREADSHEETML_TEMPLATE \
+  "application/vnd.openxmlformats-officedocument.spreadsheetml.template"
+#define APPLICATION_VND_WORDPROCESSINGML_DOCUMENT \
+  "application/vnd.openxmlformats-officedocument.wordprocessingml.document"
+#define APPLICATION_VND_WORDPROCESSINGML_TEMPLATE \
+  "application/vnd.openxmlformats-officedocument.wordprocessingml.template"
+#define APPLICATION_VND_PRESENTATION_OPENXML \
+  "application/vnd.presentation-openxml"
+#define APPLICATION_VND_PRESENTATION_OPENXMLM \
+  "application/vnd.presentation-openxmlm"
+#define APPLICATION_VND_SPREADSHEET_OPENXML \
+  "application/vnd.spreadsheet-openxml"
+#define APPLICATION_VND_WORDPROSSING_OPENXML \
+  "application/vnd.wordprocessing-openxml"
+#define APPLICATION_XPROTOBUF "application/x-protobuf"
 
 #define AUDIO_BASIC "audio/basic"
 #define AUDIO_OGG "audio/ogg"
@@ -157,6 +196,7 @@
 #define TEXT_XSL "text/xsl"
 #define TEXT_EVENT_STREAM "text/event-stream"
 #define TEXT_CACHE_MANIFEST "text/cache-manifest"
+#define TEXT_CSV "text/csv"
 
 #define VIDEO_MPEG "video/mpeg"
 #define VIDEO_MP4 "video/mp4"

netwerk/protocol/http/OpaqueResponseUtils.cpp

@@ -0,0 +1,75 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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 "mozilla/net/OpaqueResponseUtils.h"
+
+#include "nsMimeTypes.h"
+
+namespace mozilla {
+namespace net {
+
+bool IsOpaqueSafeListedMIMEType(const nsACString& aContentType) {
+  if (aContentType.EqualsLiteral(TEXT_CSS) ||
+      aContentType.EqualsLiteral(IMAGE_SVG_XML)) {
+    return true;
+  }
+
+  NS_ConvertUTF8toUTF16 typeString(aContentType);
+  return nsContentUtils::IsJavascriptMIMEType(typeString);
+}
+
+bool IsOpaqueBlockListedMIMEType(const nsACString& aContentType) {
+  return aContentType.EqualsLiteral(TEXT_HTML) ||
+         StringEndsWith(aContentType, "+json"_ns) ||
+         aContentType.EqualsLiteral(APPLICATION_JSON) ||
+         aContentType.EqualsLiteral(TEXT_JSON) ||
+         StringEndsWith(aContentType, "+xml"_ns) ||
+         aContentType.EqualsLiteral(APPLICATION_XML) ||
+         aContentType.EqualsLiteral(TEXT_XML);
+}
+
+bool IsOpaqueBlockListedNeverSniffedMIMEType(const nsACString& aContentType) {
+  return aContentType.EqualsLiteral(APPLICATION_GZIP2) ||
+         aContentType.EqualsLiteral(APPLICATION_MSEXCEL) ||
+         aContentType.EqualsLiteral(APPLICATION_MSPPT) ||
+         aContentType.EqualsLiteral(APPLICATION_MSWORD) ||
+         aContentType.EqualsLiteral(APPLICATION_MSWORD_TEMPLATE) ||
+         aContentType.EqualsLiteral(APPLICATION_PDF) ||
+         aContentType.EqualsLiteral(APPLICATION_VND_CES_QUICKPOINT) ||
+         aContentType.EqualsLiteral(APPLICATION_VND_CES_QUICKSHEET) ||
+         aContentType.EqualsLiteral(APPLICATION_VND_CES_QUICKWORD) ||
+         aContentType.EqualsLiteral(APPLICATION_VND_MS_EXCEL) ||
+         aContentType.EqualsLiteral(APPLICATION_VND_MS_EXCEL2) ||
+         aContentType.EqualsLiteral(APPLICATION_VND_MS_PPT) ||
+         aContentType.EqualsLiteral(APPLICATION_VND_MS_PPT2) ||
+         aContentType.EqualsLiteral(APPLICATION_VND_MS_WORD) ||
+         aContentType.EqualsLiteral(APPLICATION_VND_MS_WORD2) ||
+         aContentType.EqualsLiteral(APPLICATION_VND_MS_WORD3) ||
+         aContentType.EqualsLiteral(APPLICATION_VND_MSWORD) ||
+         aContentType.EqualsLiteral(
+             APPLICATION_VND_PRESENTATIONML_PRESENTATION) ||
+         aContentType.EqualsLiteral(APPLICATION_VND_PRESENTATIONML_TEMPLATE) ||
+         aContentType.EqualsLiteral(APPLICATION_VND_SPREADSHEETML_SHEET) ||
+         aContentType.EqualsLiteral(APPLICATION_VND_SPREADSHEETML_TEMPLATE) ||
+         aContentType.EqualsLiteral(
+             APPLICATION_VND_WORDPROCESSINGML_DOCUMENT) ||
+         aContentType.EqualsLiteral(
+             APPLICATION_VND_WORDPROCESSINGML_TEMPLATE) ||
+         aContentType.EqualsLiteral(APPLICATION_VND_PRESENTATION_OPENXML) ||
+         aContentType.EqualsLiteral(APPLICATION_VND_PRESENTATION_OPENXMLM) ||
+         aContentType.EqualsLiteral(APPLICATION_VND_SPREADSHEET_OPENXML) ||
+         aContentType.EqualsLiteral(APPLICATION_VND_WORDPROSSING_OPENXML) ||
+         aContentType.EqualsLiteral(APPLICATION_GZIP) ||
+         aContentType.EqualsLiteral(APPLICATION_XPROTOBUF) ||
+         aContentType.EqualsLiteral(APPLICATION_ZIP) ||
+         aContentType.EqualsLiteral(MULTIPART_BYTERANGES) ||
+         aContentType.EqualsLiteral(MULTIPART_SIGNED) ||
+         aContentType.EqualsLiteral(TEXT_EVENT_STREAM) ||
+         aContentType.EqualsLiteral(TEXT_CSV);
+}
+
+}  // namespace net
+}  // namespace mozilla

netwerk/protocol/http/OpaqueResponseUtils.h

@@ -0,0 +1,23 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set sw=2 ts=8 et tw=80 : */
+
+/* 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/. */
+
+#ifndef mozilla_net_OpaqueResponseUtils_h
+#define mozilla_net_OpaqueResponseUtils_h
+
+namespace mozilla {
+namespace net {
+
+bool IsOpaqueSafeListedMIMEType(const nsACString& aContentType);
+
+bool IsOpaqueBlockListedMIMEType(const nsACString& aContentType);
+
+bool IsOpaqueBlockListedNeverSniffedMIMEType(const nsACString& aContentType);
+
+}  // namespace net
+}  // namespace mozilla
+
+#endif  // mozilla_net_OpaqueResponseUtils_h

netwerk/protocol/http/moz.build

@@ -64,6 +64,7 @@ EXPORTS.mozilla.net += [
     "nsServerTiming.h",
     "NullHttpChannel.h",
     "NullHttpTransaction.h",
+    "OpaqueResponseUtils.h",
     "ParentChannelListener.h",
     "PHttpChannelParams.h",
     "PSpdyPush.h",
@@ -140,6 +141,7 @@ UNIFIED_SOURCES += [
     "nsServerTiming.cpp",
     "NullHttpChannel.cpp",
     "NullHttpTransaction.cpp",
+    "OpaqueResponseUtils.cpp",
     "ParentChannelListener.cpp",
     "PendingTransactionInfo.cpp",
     "PendingTransactionQueue.cpp",