chromium/net/base/data_url.cc

// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

// NOTE: based loosely on mozilla's nsDataChannel.cpp

#include "net/base/data_url.h"

#include <string>
#include <string_view>

#include "base/base64.h"
#include "base/ranges/algorithm.h"
#include "base/strings/escape.h"
#include "base/strings/string_split.h"
#include "base/strings/string_util.h"
#include "net/base/features.h"
#include "net/base/mime_util.h"
#include "net/http/http_response_headers.h"
#include "net/http/http_util.h"
#include "url/gurl.h"

namespace net {
namespace {

// https://infra.spec.whatwg.org/#ascii-whitespace, which is referenced by
// https://infra.spec.whatwg.org/#forgiving-base64, does not include \v in the
// set of ASCII whitespace characters the way Unicode does.
bool IsBase64Whitespace(char c) { … }

// A data URL is ready for decode if it:
//   - Doesn't need any extra padding.
//   - Does not have any escaped characters.
//   - Does not have any whitespace.
bool IsDataURLReadyForDecode(std::string_view body) { … }

}  // namespace

bool DataURL::Parse(const GURL& url,
                    std::string* mime_type,
                    std::string* charset,
                    std::string* data) { … }

Error DataURL::BuildResponse(const GURL& url,
                             std::string_view method,
                             std::string* mime_type,
                             std::string* charset,
                             std::string* data,
                             scoped_refptr<HttpResponseHeaders>* headers) { … }

}  // namespace net