Experimental user scripts support: fix unsafe-buffer-usage errors (#1365)

 .../user-script-ui/user-scripts-ui.js         |   9 +

 .../browser/ui/user_scripts_ui.cc             | 146 ++++

 .../user_scripts/browser/ui/user_scripts_ui.h |  37 +

 .../browser/user_script_loader.cc             | 706 +++++++++++++++

 .../browser/user_script_loader.cc             | 704 +++++++++++++++

 .../user_scripts/browser/user_script_loader.h | 168 ++++

 .../browser/user_script_pref_info.cc          |  34 +

 .../browser/user_script_pref_info.h           |  72 ++

 components/user_scripts/common/host_id.cc     |  31 +

 components/user_scripts/common/host_id.h      |  35 +

 .../user_scripts/common/script_constants.h    |  33 +

 components/user_scripts/common/url_pattern.cc | 802 ++++++++++++++++++

 components/user_scripts/common/url_pattern.cc | 808 ++++++++++++++++++

 components/user_scripts/common/url_pattern.h  | 302 +++++++

 .../user_scripts/common/url_pattern_set.cc    | 335 ++++++++

 .../user_scripts/common/url_pattern_set.h     | 160 ++++

 components/user_scripts/common/view_type.cc   |  37 +

 components/user_scripts/common/view_type.h    |  48 ++

 components/user_scripts/renderer/BUILD.gn     |  65 ++

 .../renderer/extension_frame_helper.cc        |  95 +++

 .../renderer/extension_frame_helper.cc        |  95 ++

 .../renderer/extension_frame_helper.h         |  90 ++

 .../user_scripts/renderer/injection_host.cc   |  12 +

 .../user_scripts/renderer/injection_host.h    |  41 +

 .../Experimental-user-scripts-support.inc     |  13 +

 ipc/ipc_message_start.h                       |   1 +

 tools/gritsettings/resource_ids.spec          |   6 +

 108 files changed, 9476 insertions(+), 2 deletions(-)

 108 files changed, 9480 insertions(+), 2 deletions(-)

 create mode 100644 components/user_scripts/README.md

 create mode 100755 components/user_scripts/android/BUILD.gn

 create mode 100644 components/user_scripts/android/java/res/layout/accept_script_item.xml

new file mode 100755

--- /dev/null

+++ b/components/user_scripts/browser/user_script_loader.cc

@@ -0,0 +1,706 @@

@@ -0,0 +1,704 @@

+/*

+    This file is part of Bromite.

+

+  if (index == std::string_view::npos)

+    return false;

+

+  std::string temp(line.data() + index + prefix.length(),

+                   line.length() - index - prefix.length());

+

+  std::string_view temp = line.substr(index + prefix.length());

+  if (temp.empty() || !base::IsAsciiWhitespace(temp[0]))

+    return false;

+

+    if (line_end == std::string::npos)

+      line_end = script_text.length() - 1;

+

+    line = std::string_view(script_text.data() + line_start,

+    line = script_text.substr(line_start,

+                              line_end - line_start);

+

+    if (!*found_metadata) {

+    }

+

+    auto buffer = std::vector<char>(length);

+    int bytes_read = infile.Read(0, buffer.data(), length);

+    if (bytes_read == -1) {

+    std::optional<size_t> bytes_read = infile.Read(0, base::as_writable_byte_span(buffer));

+    if (!bytes_read.has_value()) {

+      *error = u"Could not read source file.";

+      return false;

+    }

new file mode 100755

--- /dev/null

+++ b/components/user_scripts/common/url_pattern.cc

@@ -0,0 +1,802 @@

@@ -0,0 +1,808 @@

+// Copyright (c) 2012 The Chromium Authors. All rights reserved.

+// Use of this source code is governed by a BSD-style license that can be

+// found in the LICENSE file.

+

+// static

+bool URLPattern::IsValidSchemeForExtensions(std::string_view scheme) {

+  auto validSchemes = base::span(kValidSchemes);

+  for (size_t i = 0; i < std::size(kValidSchemes); ++i) {

+    if (scheme == kValidSchemes[i])

+    if (scheme == validSchemes[i])

+      return true;

+  }

+  return false;

+

+// static

+int URLPattern::GetValidSchemeMaskForExtensions() {

+  auto validSchemeMasks = base::span(kValidSchemeMasks);

+  int result = 0;

+  for (size_t i = 0; i < std::size(kValidSchemeMasks); ++i)

+    result |= kValidSchemeMasks[i];

+    result |= validSchemeMasks[i];

+  return result;

+}

+

+  if (valid_schemes_ == SCHEME_ALL)

+    return true;

+

+  auto validSchemes = base::span(kValidSchemes);

+  auto validSchemeMasks = base::span(kValidSchemeMasks);

+  for (size_t i = 0; i < std::size(kValidSchemes); ++i) {

+    if (scheme == kValidSchemes[i] && (valid_schemes_ & kValidSchemeMasks[i]))

+    if (scheme == validSchemes[i] && (valid_schemes_ & validSchemeMasks[i]))

+      return true;

+  }

+

+    return result;

+  }

+

+  auto validSchemes = base::span(kValidSchemes);

+  for (size_t i = 0; i < std::size(kValidSchemes); ++i) {

+    if (MatchesScheme(kValidSchemes[i])) {

+      result.push_back(kValidSchemes[i]);

+    if (MatchesScheme(validSchemes[i])) {

+      result.push_back(validSchemes[i]);

+    }

+  }

+

+// static

+const char* URLPattern::GetParseResultString(

+    URLPattern::ParseResult parse_result) {

+  return kParseResultMessages[static_cast<int>(parse_result)];

+  auto parseResultMessages = base::span(kParseResultMessages);

+  return parseResultMessages[static_cast<int>(parse_result)];

+}

diff --git a/components/user_scripts/common/url_pattern.h b/components/user_scripts/common/url_pattern.h

new file mode 100755