/* * Copyright (C) 2020 Metrological Group B.V. * Copyright (C) 2020 Igalia S.L. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following * disclaimer in the documentation and/or other materials provided * with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "config.h" #include "CDMUtilities.h" #if ENABLE(ENCRYPTED_MEDIA) #include "SharedBuffer.h" #include <wtf/text/WTFString.h> namespace WebCore { namespace CDMUtilities { RefPtr<JSON::Object> parseJSONObject(const SharedBuffer& buffer) { // Fail on large buffers whose size doesn't fit into a 32-bit unsigned integer. size_t size = buffer.size(); if (size > std::numeric_limits<unsigned>::max()) return nullptr; // Parse the buffer contents as JSON, returning the root object (if any). String json { buffer.data(), static_cast<unsigned>(size) }; auto value = JSON::Value::parseJSON(json); if (!value) return nullptr; return value->asObject(); } }; }; #endif // ENABLE(ENCRYPTED_MEDIA)