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Source release 19.4.0

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This commit is contained in:
Vicky Min
2024-11-27 00:07:23 +00:00
parent 11c108a8da
commit 22759672a8
72 changed files with 5321 additions and 2622 deletions
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99
util/include/file_store.h
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@@ -7,63 +7,118 @@
#ifndef WVCDM_UTIL_FILE_STORE_H_
#define WVCDM_UTIL_FILE_STORE_H_
#include <cstdint>
#include <stddef.h>
#include <memory>
#include <string>
#include <vector>
#include "disallow_copy_and_assign.h"
#include "platform.h"
#include "util_common.h"
#include "wv_class_utils.h"
namespace wvutil {
// Fixed filename for ATSC DRM certificate pre-installed
// on ATSC devices for ATSC licenses.
static const std::string kAtscCertificateFileName = "atsccert.bin";
// General filename for either global or unmapped app-origin
// DRM certificates.
static const std::string kCertificateFileName = "cert1.bin";
// File extension for DRM and OEM certificate files.
static const std::string kCertificateFileNameExt = ".bin";
static const std::string kCertificateFileNamePrefix = "cert1_";
// Filename prefix for mapped (scoped) DRM certificate filenames
// specific to a particular app-origin.
static const std::string kScopedCertificateFilenamePrefix = "cert1_";
// TODO(b/376533901): Replace this constant with
// kScopedCertificateFilenamePrefix in source code..
static const std::string kCertificateFileNamePrefix =
kScopedCertificateFilenamePrefix;
// Legacy general filename for either global or unmapped app-origin
// DRM certificates.
static const std::string kLegacyCertificateFileName = "cert.bin";
static const std::string kLegacyCertificateFileNamePrefix = "cert";
// Legacy filename prefix for mapped (scoped) DRM certificate filenames
// specific to a particular app-origin.
static const std::string kLegacyScopedCertificateFilenamePrefix = "cert";
// TODO(b/376533901): Replace this constant with
// kLegacyScopedCertificateFilenamePrefix in source code..
static const std::string kLegacyCertificateFileNamePrefix =
kLegacyScopedCertificateFilenamePrefix;
// Filename for global OEM certificates.
static const std::string kOemCertificateFileName = "oemcert.bin";
static const std::string kOemCertificateFileNamePrefix = "oemcert_";
// File class. The implementation is platform dependent.
// File interface. The implementation is platform dependent.
class File {
public:
WVCDM_DISALLOW_COPY_AND_MOVE(File);
File() {}
virtual ~File() {}
virtual ssize_t Read(char* buffer, size_t bytes) = 0;
virtual ssize_t Write(const char* buffer, size_t bytes) = 0;
friend class FileSystem;
CORE_DISALLOW_COPY_AND_ASSIGN(File);
};
// File system base class. The implementation is platform dependent.
class FileSystem {
public:
WVCDM_DISALLOW_COPY_AND_MOVE(FileSystem);
FileSystem();
FileSystem(const std::string& origin, void* extra_data);
virtual ~FileSystem();
// Concreate implementation of FileSystem.
// Depending on the platform, this may be vendor or Widevine implemented.
class Impl;
// defines as bit flag
enum OpenFlags {
kNoFlags = 0,
kCreate = 1,
kReadOnly = 2, // defaults to read and write access
kTruncate = 4
};
// Flags for calls to Open.
static constexpr int kNoFlags = 0;
// Create file if does not already exist, open file if it does exist.
static constexpr int kCreate = (1 << 0);
// Open file as read-only; typically should not be used with kCreate.
static constexpr int kReadOnly = (1 << 1);
// Open file and truncated. May be used with kCreate; should not
// be used with kReadOnly.
static constexpr int kTruncate = (1 << 2);
virtual std::unique_ptr<File> Open(const std::string& file_path, int flags);
virtual bool Exists(const std::string& file_path);
virtual bool Exists(const std::string& file_path, int* errno_value);
virtual bool Remove(const std::string& file_path);
// Checks if the |path| exists. The |path| may be a file or directory.
// Return true if an entry in the file system exists; false otherwise.
virtual bool Exists(const std::string& path);
// Same as above, except the optional parameter of |errno_value| should
// be set to 0 or the value of C errno when attempting to check
// the existence of a file.
virtual bool Exists(const std::string& path, int* errno_value);
// Removes the specified |path|.
//
// If |path| is a regular file, the file should be removed.
// If |path| is a directory, both the directory and the directory
// contents should be removed.
//
// Implementation must support a |path| containing a single wildcard
// character in the filename component of the path.
//
// Return value:
// - true : File/directory was removed, or file/directory did not exist
// - false : File/directory could not be removed, or other error.
virtual bool Remove(const std::string& path);
// Obtain the size of a file in bytes. |file_path| must be a file,
// and not a directory.
//
// Return value:
// - non-negative : size of file in bytes if file exists
// - negative : file does not exist, or error occurred.
virtual ssize_t FileSize(const std::string& file_path);
// Return the filenames stored at dir_path.
// dir_path will be stripped from the returned names.
// Return the entries stored at |dir_path| (includes both files
// and directories).
//
// Return value:
// - true : Directory exists, and directory entry names are stored
// in |names|; |names| may be empty if directory was empty.
// - false : Directory does not exist, |dir_path| is not a directory,
// or error was encountered.
virtual bool List(const std::string& dir_path,
std::vector<std::string>* names);
@@ -78,8 +133,6 @@ class FileSystem {
std::unique_ptr<FileSystem::Impl> impl_;
std::string origin_;
std::string identifier_;
CORE_DISALLOW_COPY_AND_ASSIGN(FileSystem);
};
} // namespace wvutil