| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "chrome/browser/signin/signin_internals_util.h" |
| |
| #include <sstream> |
| |
| #include "base/logging.h" |
| #include "base/strings/string_number_conversions.h" |
| #include "base/strings/string_util.h" |
| #include "base/strings/utf_string_conversions.h" |
| #include "chrome/common/url_constants.h" |
| #include "content/public/browser/web_contents.h" |
| #include "crypto/sha2.h" |
| #include "google_apis/gaia/gaia_constants.h" |
| |
| namespace signin_internals_util { |
| |
| const char kSigninPrefPrefix[] = "google.services.signin."; |
| const char kTokenPrefPrefix[] = "google.services.signin.tokens."; |
| |
| #define ENUM_CASE(x) case x: return (std::string(kSigninPrefPrefix) + #x) |
| std::string SigninStatusFieldToString(UntimedSigninStatusField field) { |
| switch (field) { |
| ENUM_CASE(USERNAME); |
| case UNTIMED_FIELDS_END: |
| NOTREACHED(); |
| return std::string(); |
| } |
| |
| NOTREACHED(); |
| return std::string(); |
| } |
| |
| std::string SigninStatusFieldToString(TimedSigninStatusField field) { |
| switch (field) { |
| ENUM_CASE(SIGNIN_TYPE); |
| ENUM_CASE(CLIENT_LOGIN_STATUS); |
| ENUM_CASE(OAUTH_LOGIN_STATUS); |
| ENUM_CASE(GET_USER_INFO_STATUS); |
| ENUM_CASE(UBER_TOKEN_STATUS); |
| ENUM_CASE(MERGE_SESSION_STATUS); |
| case TIMED_FIELDS_END: |
| NOTREACHED(); |
| return std::string(); |
| } |
| |
| NOTREACHED(); |
| return std::string(); |
| } |
| |
| std::string TokenPrefPath(const std::string& token_name) { |
| return std::string(kTokenPrefPrefix) + token_name; |
| } |
| |
| // Gets the first few hex characters of the SHA256 hash of the passed in string. |
| // These are enough to perform equality checks across a single users tokens, |
| // while preventing outsiders from reverse-engineering the actual token from |
| // the displayed value. |
| // Note that for readability (in about:signin-internals), an empty string |
| // is not hashed, but simply returned as an empty string. |
| std::string GetTruncatedHash(const std::string& str) { |
| if (str.empty()) |
| return str; |
| |
| // Since each character in the hash string generates two hex charaters |
| // we only need half as many charaters in |hash_val| as hex characters |
| // returned. |
| const int kTruncateSize = kTruncateTokenStringLength / 2; |
| char hash_val[kTruncateSize]; |
| crypto::SHA256HashString(str, &hash_val[0], kTruncateSize); |
| return StringToLowerASCII(base::HexEncode(&hash_val[0], kTruncateSize)); |
| } |
| |
| } // namespace signin_internals_util |