89 lines
3.5 KiB
C++
89 lines
3.5 KiB
C++
// Copyright 2014 Google Inc. All rights reserved.
|
|
//
|
|
// Use of this source code is governed by a BSD-style
|
|
// license that can be found in the LICENSE file or at
|
|
// https://developers.google.com/open-source/licenses/bsd
|
|
//
|
|
// Defines command line flags for widevine_encryption.
|
|
|
|
#ifndef APP_WIDEVINE_ENCRYPTION_FLAGS_H_
|
|
#define APP_WIDEVINE_ENCRYPTION_FLAGS_H_
|
|
|
|
#include <gflags/gflags.h>
|
|
|
|
#include "base/strings/string_number_conversions.h"
|
|
|
|
DEFINE_bool(enable_widevine_encryption,
|
|
false,
|
|
"Enable encryption with Widevine license server/proxy. User should "
|
|
"provide either AES signing key (--aes_signing_key, "
|
|
"--aes_signing_iv) or RSA signing key (--rsa_signing_key_path).");
|
|
DEFINE_string(server_url, "", "License server url.");
|
|
DEFINE_string(content_id, "", "Content Id.");
|
|
DEFINE_string(track_type, "SD", "Track type: HD, SD or AUDIO.");
|
|
DEFINE_string(signer, "", "The name of the signer.");
|
|
DEFINE_string(aes_signing_key,
|
|
"",
|
|
"AES signing key in hex string. --aes_signing_iv is required. "
|
|
"Exclusive with --rsa_signing_key_path.");
|
|
DEFINE_string(aes_signing_iv,
|
|
"",
|
|
"AES signing iv in hex string.");
|
|
DEFINE_string(rsa_signing_key_path,
|
|
"",
|
|
"Stores PKCS#1 RSA private key for request signing. Exclusive "
|
|
"with --aes_signing_key.");
|
|
|
|
static bool IsNotEmptyWithWidevineEncryption(const char* flag_name,
|
|
const std::string& flag_value) {
|
|
return FLAGS_enable_widevine_encryption ? !flag_value.empty() : true;
|
|
}
|
|
|
|
static bool VerifyAesRsaKey(const char* flag_name,
|
|
const std::string& flag_value) {
|
|
if (!FLAGS_enable_widevine_encryption)
|
|
return true;
|
|
const std::string flag_name_str = flag_name;
|
|
if (flag_name_str == "aes_signing_iv") {
|
|
if (!FLAGS_aes_signing_key.empty() && flag_value.empty()) {
|
|
fprintf(stderr,
|
|
"ERROR: --aes_signing_iv is required for --aes_signing_key.\n");
|
|
return false;
|
|
}
|
|
} else if (flag_name_str == "rsa_signing_key_path") {
|
|
if (FLAGS_aes_signing_key.empty() && flag_value.empty()) {
|
|
fprintf(stderr,
|
|
"ERROR: --aes_signing_key or --rsa_signing_key_path is "
|
|
"required.\n");
|
|
return false;
|
|
}
|
|
if (!FLAGS_aes_signing_key.empty() && !flag_value.empty()) {
|
|
fprintf(stderr,
|
|
"ERROR: --aes_signing_key and --rsa_signing_key_path are "
|
|
"exclusive.\n");
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
static bool dummy_server_url_validator =
|
|
google::RegisterFlagValidator(&FLAGS_server_url,
|
|
&IsNotEmptyWithWidevineEncryption);
|
|
static bool dummy_content_id_validator =
|
|
google::RegisterFlagValidator(&FLAGS_content_id,
|
|
&IsNotEmptyWithWidevineEncryption);
|
|
static bool dummy_track_type_validator =
|
|
google::RegisterFlagValidator(&FLAGS_track_type,
|
|
&IsNotEmptyWithWidevineEncryption);
|
|
static bool dummy_signer_validator =
|
|
google::RegisterFlagValidator(&FLAGS_signer,
|
|
&IsNotEmptyWithWidevineEncryption);
|
|
static bool dummy_aes_iv_validator =
|
|
google::RegisterFlagValidator(&FLAGS_aes_signing_iv,
|
|
&VerifyAesRsaKey);
|
|
static bool dummy_rsa_key_file_validator =
|
|
google::RegisterFlagValidator(&FLAGS_rsa_signing_key_path,
|
|
&VerifyAesRsaKey);
|
|
#endif // APP_WIDEVINE_ENCRYPTION_FLAGS_H_
|