Implementation of GCAPI reactivation.

chrome/installer/gcapi/gcapi.cc

 // 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.
 
 // NOTE: This code is a legacy utility API for partners to check whether
 //       Chrome can be installed and launched. Recent updates are being made
 //       to add new functionality. These updates use code from Chromium, the old
 //       coded against the win32 api directly. If you have an itch to shave a
 //       yak, feel free to re-write the old code too.
 
@@ skipping 11 matching lines @@
 
 #include "base/basictypes.h"
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/string_number_conversions.h"
 #include "base/time.h"
 #include "base/win/registry.h"
 #include "base/win/scoped_com_initializer.h"
 #include "base/win/scoped_comptr.h"
 #include "base/win/scoped_handle.h"
+#include "chrome/installer/gcapi/gcapi_reactivation.h"
 #include "chrome/installer/util/google_update_constants.h"
 #include "chrome/installer/util/util_constants.h"
 
 #include "google_update_idl.h"  // NOLINT
 
 using base::Time;
 using base::TimeDelta;
 using base::win::RegKey;
 using base::win::ScopedCOMInitializer;
 using base::win::ScopedComPtr;
@@ skipping 490 matching lines @@
       }
     }
   }
 
   if (days_since_last_run == std::numeric_limits<int>::max()) {
     days_since_last_run = -1;
   }
 
   return days_since_last_run;
 }
+
+BOOL __stdcall CanOfferReactivation(const wchar_t* brand_code,
+                                    int previous_brand_codes_length,
+                                    const wchar_t** previous_brand_codes,
+                                    DWORD* error_code) {
+  DCHECK(error_code);
+
+  if (!brand_code ||
+      (previous_brand_codes_length > 0 && previous_brand_codes == NULL)) {
+    if (error_code)
+      *error_code = REACTIVATE_ERROR_INVALID_INPUT;
+    return FALSE;
+  }
+
+  bool has_system_install = IsChromeInstalled(HKEY_LOCAL_MACHINE);
+  bool has_user_install = IsChromeInstalled(HKEY_CURRENT_USER);
+
+  if (!has_system_install && !has_user_install) {
+    if (error_code)
+      *error_code = REACTIVATE_ERROR_NOTINSTALLED;
+    return FALSE;
+  }
+
+  int days_since_last_run = GoogleChromeDaysSinceLastRun();
+  if (days_since_last_run > 0 &&
+      days_since_last_run < kReactivationMinDaysDormant) {
+    if (error_code)
+      *error_code = REACTIVATE_ERROR_NOTDORMANT;
+    return FALSE;
+  }
+
+  // Make sure we haven't previously been reactivated by this brand code
+  // or any of the previous brand codes from this partner.
+  std::vector<std::wstring> reactivation_brands;
+  reactivation_brands.push_back(brand_code);
+  if (previous_brand_codes_length > 0 && previous_brand_codes != NULL) {
+    std::copy(previous_brand_codes,
+              previous_brand_codes + previous_brand_codes_length,
+              std::back_inserter(reactivation_brands));
+  }
+  if (HasBeenReactivatedByBrandCodes(reactivation_brands)) {
+    if (error_code)
+      *error_code = REACTIVATE_ERROR_ALREADY_REACTIVATED;
+    return FALSE;
+  }
+
+  return TRUE;
+}
+
+BOOL __stdcall ReactivateChrome(wchar_t* brand_code,
+                                int previous_brand_codes_length,
+                                const wchar_t** previous_brand_codes,
+                                DWORD* error_code) {
+  BOOL result = FALSE;
+  if (CanOfferReactivation(brand_code,
+                           previous_brand_codes_length,
+                           previous_brand_codes,
+                           error_code)) {
+    if (SetReactivationBrandCode(brand_code)) {
+      // TODO(robertshield): Set Omaha reg key to add experiment label for
+      // tracking 7DA.
+      result = TRUE;
+    } else {
+      if (error_code)
+        *error_code = REACTIVATE_ERROR_REACTIVATION_FAILED;
+    }
+  }
+
+  return result;
+}
+