chrome/browser/safe_browsing/safe_browsing_api_handler_util.h

   1 // Copyright 2015 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4 //
   5 // Helper functions for SafeBrowsingApiHandlerImpl.  Separated out for tests.
   6
   7 #ifndef CHROME_BROWSER_SAFE_BROWSING_SAFE_BROWSING_API_HANDLER_UTIL_H_
   8 #define CHROME_BROWSER_SAFE_BROWSING_SAFE_BROWSING_API_HANDLER_UTIL_H_
   9
  10 #include <string>
  11
  12 #include "chrome/browser/safe_browsing/safe_browsing_util.h"
  13
  14 namespace safe_browsing {
  15
  16 // These match what SafeBrowsingApiHandler.java uses for |resultStatus|
  17 enum RemoteCallResultStatus {
  18   RESULT_STATUS_INTERNAL_ERROR = -1,
  19   RESULT_STATUS_SUCCESS = 0,
  20   RESULT_STATUS_TIMEOUT = 1,
  21 };
  22
  23 // Threat types as per the Java code.
  24 // This must match those in GMS's SafeBrowsingThreatTypes.java.
  25 enum JavaThreatTypes {
  26   JAVA_THREAT_TYPE_POTENTIALLY_HARMFUL_APPLICATION = 4,
  27   JAVA_THREAT_TYPE_SOCIAL_ENGINEERING = 5,
  28 };
  29
  30 // Do not reorder or delete entries, and make sure changes here are reflected
  31 // in SB2RemoteCallResult histogram.
  32 enum UmaRemoteCallResult {
  33   UMA_STATUS_INTERNAL_ERROR = 0,
  34   UMA_STATUS_TIMEOUT = 1,
  35   UMA_STATUS_SAFE = 2,
  36   UMA_STATUS_UNSAFE = 3,
  37   UMA_STATUS_JSON_EMPTY = 4,
  38   UMA_STATUS_JSON_FAILED_TO_PARSE = 5,
  39   UMA_STATUS_JSON_UNKNOWN_THREAT = 6,
  40   UMA_STATUS_UNSUPPORTED = 7,
  41   UMA_STATUS_MAX_VALUE
  42 };
  43
  44 // This parses the JSON from the GMSCore API and then:
  45 //   1) Picks the most severe threat type
  46 //   2) Parses remaining key/value pairs into a MalwarePatternType PB
  47 //      so DisplayBlockingPage() can unmarshal it.  We make this string
  48 //      is binary compatible with the Pver3 API's metadata string even
  49 //      though it comes from Pver4.
  50 //
  51 // If anything fails to parse, this sets the threat to "safe".  The caller
  52 // should report the return value via UMA.
  53 UmaRemoteCallResult ParseJsonToThreatAndPB(const std::string& metadata_str,
  54                                            SBThreatType* worst_threat,
  55                                            std::string* metadata_pb_str);
  56 }  // namespace safe_browsing
  57
  58 #endif  // CHROME_BROWSER_SAFE_BROWSING_SAFE_BROWSING_API_HANDLER_UTIL_H_