Implementation of GCAPI reactivation.

chrome/installer/gcapi/gcapi.cc

Index: chrome/installer/gcapi/gcapi.cc
diff --git a/chrome/installer/gcapi/gcapi.cc b/chrome/installer/gcapi/gcapi.cc
index bac517991fde61333e1ab1e14dd492c16d6d0f16..79d3a3c1aa7bc5d4fe3bd550399bd1a613a8d96a 100644
--- a/chrome/installer/gcapi/gcapi.cc
+++ b/chrome/installer/gcapi/gcapi.cc
@@ -29,6 +29,7 @@
 #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"
 
@@ -539,3 +540,74 @@ int __stdcall GoogleChromeDaysSinceLastRun() {
 
   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;
+}
+