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// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef PDF_PDFIUM_PDFIUM_PERMISSIONS_H_
#define PDF_PDFIUM_PDFIUM_PERMISSIONS_H_
#include <stdint.h>
#include "pdf/pdf_engine.h"
#include "third_party/pdfium/public/fpdfview.h"
namespace chrome_pdf {
// See Table 3.20 in the PDF 1.7 spec for details on how to interpret permission
// bits. Exposed for use in testing.
constexpr uint32_t kPDFPermissionBit03PrintMask = 1 << 2;
constexpr uint32_t kPDFPermissionBit05CopyMask = 1 << 4;
constexpr uint32_t kPDFPermissionBit10CopyAccessibleMask = 1 << 9;
constexpr uint32_t kPDFPermissionBit12PrintHighQualityMask = 1 << 11;
// The permissions for a given FPDF_DOCUMENT.
class PDFiumPermissions final {
public:
static PDFiumPermissions CreateForTesting(int permissions_handler_revision,
uint32_t permission_bits);
explicit PDFiumPermissions(FPDF_DOCUMENT doc);
bool HasPermission(DocumentPermission permission) const;
private:
// For unit tests.
PDFiumPermissions(int permissions_handler_revision, uint32_t permission_bits);
bool HasPermissionBits(uint32_t mask) const {
return (permission_bits_ & mask) == mask;
}
// Permissions security handler revision number. -1 for unknown.
const int permissions_handler_revision_;
// Permissions bitfield.
const uint32_t permission_bits_;
};
} // namespace chrome_pdf
#endif // PDF_PDFIUM_PDFIUM_PERMISSIONS_H_
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