content_verifier.h | Explore in Territory

// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef EXTENSIONS_BROWSER_CONTENT_VERIFIER_CONTENT_VERIFIER_H_
#define EXTENSIONS_BROWSER_CONTENT_VERIFIER_CONTENT_VERIFIER_H_

#include <memory>
#include <set>
#include <unordered_map>
#include <unordered_set>
#include <vector>

#include "base/memory/raw_ptr.h"
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_refptr.h"
#include "base/scoped_observation.h"
#include "base/version.h"
#include "content/public/browser/browser_thread.h"
#include "extensions/browser/content_verifier/content_hash.h"
#include "extensions/browser/content_verifier/content_verifier_delegate.h"
#include "extensions/browser/content_verifier/content_verifier_io_data.h"
#include "extensions/browser/content_verifier/content_verify_job.h"
#include "extensions/browser/extension_registry.h"
#include "extensions/browser/extension_registry_observer.h"
#include "extensions/common/extension_id.h"
#include "mojo/public/cpp/bindings/pending_receiver.h"
#include "services/network/public/cpp/shared_url_loader_factory.h"

namespace base {
class FilePath;
}

namespace content {
class BrowserContext;
}

namespace extensions {

class Extension;

// Used for managing overall content verification - both fetching content
// hashes as needed, and supplying job objects to verify file contents as they
// are read.
//
// Some notes about extension resource paths:
// An extension resource path is a path relative to it's extension root
// directory. For the purposes of content verification system, there can be
// several transformations of the relative path:
//   1. Relative path: Relative path as is. This is base::FilePath that simply
//      is the relative path of the resource.
//   2. Relative unix path: Some underlying parts of content-verification
//      require uniform separator, we use '/' as separator so it is effectively
//      unix style. Note that this is a reversible transformation.
//   3. content_verifier_utils::CanonicalRelativePath:
//      Canonicalized relative paths are used as keys of maps within
//      VerifiedContents and ComputedHashes. This takes care of OS specific file
//      access issues:
//      - windows/mac is case insensitive while accessing files.
//      - windows ignores (.| )+ suffixes in filename while accessing a file.
//      Canonicalization consists of normalizing the separators, lower casing
//      the filepath in case-insensitive systems and trimming ignored suffixes
//      if appropriate.
//      See content_verifier_utils::CanonicalizeRelativePath() for details.
class ContentVerifier : public base::RefCountedThreadSafe<ContentVerifier>,
                        public ExtensionRegistryObserver { … };

}  // namespace extensions

#endif  // EXTENSIONS_BROWSER_CONTENT_VERIFIER_CONTENT_VERIFIER_H_
chromium/extensions/browser/content_verifier/content_verifier.h
