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// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/pdf/common/pdf_util.h"
#include "base/containers/contains.h"
#include "base/metrics/histogram_macros.h"
#include "content/public/common/url_utils.h"
#include "extensions/buildflags/buildflags.h"
#include "pdf/buildflags.h"
#include "url/origin.h"
#if BUILDFLAG(ENABLE_EXTENSIONS)
#include "extensions/common/constants.h" // nogncheck
#endif // BUILDFLAG(ENABLE_EXTENSIONS)
namespace {
// LINT.IfChange(PdfBackgroundColor)
constexpr SkColor kPdfExtensionBackgroundColor = SkColorSetRGB(40, 40, 40);
// clang-format off
// LINT.ThenChange(//chrome/browser/resources/pdf/pdf_embedder.css:PdfBackgroundColor, //chrome/browser/resources/pdf/pdf_viewer.ts:PdfBackgroundColor)
// clang-format on
} // namespace
void ReportPDFLoadStatus(PDFLoadStatus status) {
UMA_HISTOGRAM_ENUMERATION("PDF.LoadStatus2", status,
PDFLoadStatus::kPdfLoadStatusCount);
}
bool IsPdfExtensionOrigin(const url::Origin& origin) {
#if BUILDFLAG(ENABLE_EXTENSIONS)
return origin.scheme() == extensions::kExtensionScheme &&
origin.host() == extension_misc::kPdfExtensionId;
#else
return false;
#endif
}
bool IsPdfInternalPluginAllowedOrigin(
const url::Origin& origin,
base::span<const url::Origin> additional_allowed_origins) {
// Only allow the PDF plugin in the known, trustworthy origins that are
// allowlisted. See also https://crbug.com/520422 and
// https://crbug.com/1027173.
return IsPdfExtensionOrigin(origin) ||
base::Contains(additional_allowed_origins, origin);
}
SkColor GetPdfBackgroundColor() {
return kPdfExtensionBackgroundColor;
}
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