mac: Start implementing gcapi.

For now, this includes checks if chrome is installed and if the OS X version
is recent enough for chrome.

BUG=128462
TEST=none

Review URL: https://chromiumcodereview.appspot.com/10388132

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@137774 0039d316-1c4b-4281-b951-d872f2087c98

5 files changed, 275 insertions, 60 deletions

diff --git a/chrome/chrome_installer.gypi b/chrome/chrome_installer.gypi
index b178e67..54aa94a 100644
--- a/chrome/chrome_installer.gypi
+++ b/chrome/chrome_installer.gypi
@@ -4,7 +4,7 @@
 
 {
   'variables': {
-    'lastchange_path': '<(DEPTH)/build/util/LASTCHANGE',
+    'lastchange_path': '../build/util/LASTCHANGE',
     # 'branding_dir' is set in the 'conditions' section at the bottom.
   },
   'conditions': [
@@ -15,11 +15,11 @@
           'type': 'loadable_module',
           'dependencies': [
             'installer_util',
-            '<(DEPTH)/base/base.gyp:base',
-            '<(DEPTH)/google_update/google_update.gyp:google_update',
+            '../base/base.gyp:base',
+            '../google_update/google_update.gyp:google_update',
           ],
           'include_dirs': [
-            '<(DEPTH)',
+            '..',
           ],
           'sources': [
             'installer/gcapi/gcapi.cc',
@@ -36,11 +36,11 @@
           'type': 'static_library',
           'dependencies': [
             'installer_util',
-            '<(DEPTH)/base/base.gyp:base',
-            '<(DEPTH)/google_update/google_update.gyp:google_update',
+            '../base/base.gyp:base',
+            '../google_update/google_update.gyp:google_update',
           ],
           'include_dirs': [
-            '<(DEPTH)',
+            '..',
           ],
           'sources': [
             'installer/gcapi/gcapi.cc',
@@ -59,12 +59,12 @@
             'gcapi_dll',
             'gcapi_lib',
             'installer_util',
-            '<(DEPTH)/base/base.gyp:base',
-            '<(DEPTH)/base/base.gyp:test_support_base',
-            '<(DEPTH)/testing/gtest.gyp:gtest',
+            '../base/base.gyp:base',
+            '../base/base.gyp:test_support_base',
+            '../testing/gtest.gyp:gtest',
           ],
           'include_dirs': [
-            '<(DEPTH)',
+            '..',
           ],
           'sources': [
             'installer/gcapi/gcapi_last_run_test.cc',
@@ -80,16 +80,16 @@
           'dependencies': [
             'installer_util',
             'installer_util_strings',
-            '<(DEPTH)/base/base.gyp:base',
-            '<(DEPTH)/base/base.gyp:base_i18n',
-            '<(DEPTH)/base/base.gyp:test_support_base',
-            '<(DEPTH)/build/temp_gyp/googleurl.gyp:googleurl',
-            '<(DEPTH)/content/content.gyp:content_common',
-            '<(DEPTH)/testing/gmock.gyp:gmock',
-            '<(DEPTH)/testing/gtest.gyp:gtest',
+            '../base/base.gyp:base',
+            '../base/base.gyp:base_i18n',
+            '../base/base.gyp:test_support_base',
+            '../build/temp_gyp/googleurl.gyp:googleurl',
+            '../content/content.gyp:content_common',
+            '../testing/gmock.gyp:gmock',
+            '../testing/gtest.gyp:gtest',
           ],
           'include_dirs': [
-            '<(DEPTH)',
+            '..',
           ],
           'sources': [
             'installer/setup/compat_checks_unittest.cc',
@@ -183,14 +183,14 @@
           'dependencies': [
             'installer_util',
             'installer_util_strings',
-            '<(DEPTH)/base/base.gyp:base',
-            '<(DEPTH)/base/base.gyp:base_i18n',
-            '<(DEPTH)/base/base.gyp:test_support_base',
-            '<(DEPTH)/chrome/chrome.gyp:test_support_common',
-            '<(DEPTH)/testing/gtest.gyp:gtest',
+            '../base/base.gyp:base',
+            '../base/base.gyp:base_i18n',
+            '../base/base.gyp:test_support_base',
+            '../chrome/chrome.gyp:test_support_common',
+            '../testing/gtest.gyp:gtest',
           ],
           'include_dirs': [
-            '<(DEPTH)',
+            '..',
           ],
           'sources': [
             '<(SHARED_INTERMEDIATE_DIR)/installer_util_strings/installer_util_strings.rc',
@@ -219,18 +219,18 @@
           'dependencies': [
             'installer_util',
             'installer_util_strings',
-            '<(DEPTH)/base/base.gyp:base',
-            '<(DEPTH)/build/temp_gyp/googleurl.gyp:googleurl',
-            '<(DEPTH)/build/util/build_util.gyp:lastchange#target',
-            '<(DEPTH)/build/util/support/support.gyp:*',
-            '<(DEPTH)/chrome_frame/chrome_frame.gyp:chrome_tab_idl',
-            '<(DEPTH)/chrome_frame/chrome_frame.gyp:npchrome_frame',
-            '<(DEPTH)/breakpad/breakpad.gyp:breakpad_handler',
-            '<(DEPTH)/rlz/rlz.gyp:rlz_lib',
-            '<(DEPTH)/third_party/zlib/zlib.gyp:zlib',
+            '../base/base.gyp:base',
+            '../build/temp_gyp/googleurl.gyp:googleurl',
+            '../build/util/build_util.gyp:lastchange#target',
+            '../build/util/support/support.gyp:*',
+            '../chrome_frame/chrome_frame.gyp:chrome_tab_idl',
+            '../chrome_frame/chrome_frame.gyp:npchrome_frame',
+            '../breakpad/breakpad.gyp:breakpad_handler',
+            '../rlz/rlz.gyp:rlz_lib',
+            '../third_party/zlib/zlib.gyp:zlib',
           ],
           'include_dirs': [
-            '<(DEPTH)',
+            '..',
             '<(INTERMEDIATE_DIR)',
             '<(SHARED_INTERMEDIATE_DIR)/setup',
           ],
@@ -274,7 +274,7 @@
               'rule_name': 'setup_version',
               'extension': 'version',
               'variables': {
-                'version_py_path': '<(DEPTH)/chrome/tools/build/version.py',
+                'version_py_path': '../chrome/tools/build/version.py',
                 'template_input_path': 'installer/setup/setup_exe_version.rc.version',
               },
               'inputs': [
@@ -355,16 +355,16 @@
           'dependencies': [
             'installer_util',
             'installer_util_strings',
-            '<(DEPTH)/base/base.gyp:base',
-            '<(DEPTH)/base/base.gyp:base_i18n',
-            '<(DEPTH)/base/base.gyp:test_support_base',
-            '<(DEPTH)/build/temp_gyp/googleurl.gyp:googleurl',
-            '<(DEPTH)/chrome_frame/chrome_frame.gyp:chrome_tab_idl',
-            '<(DEPTH)/testing/gmock.gyp:gmock',
-            '<(DEPTH)/testing/gtest.gyp:gtest',
+            '../base/base.gyp:base',
+            '../base/base.gyp:base_i18n',
+            '../base/base.gyp:test_support_base',
+            '../build/temp_gyp/googleurl.gyp:googleurl',
+            '../chrome_frame/chrome_frame.gyp:chrome_tab_idl',
+            '../testing/gmock.gyp:gmock',
+            '../testing/gtest.gyp:gtest',
           ],
           'include_dirs': [
-            '<(DEPTH)',
+            '..',
             '<(INTERMEDIATE_DIR)',
           ],
           # TODO(robertshield): Move the items marked with "Move to lib"
@@ -431,8 +431,8 @@
       'variables': {
         # Always google_chrome since this only applies to branding==Chrome.
         'branding_dir': 'app/theme/google_chrome',
-        'version' : '<!(python <(version_py_path) -f <(DEPTH)/chrome/VERSION -t "@MAJOR@.@MINOR@.@BUILD@.@PATCH@")',
-        'revision' : '<!(python <(DEPTH)/build/util/lastchange.py --revision-only)',
+        'version' : '<!(python <(version_py_path) -f ../chrome/VERSION -t "@MAJOR@.@MINOR@.@BUILD@.@PATCH@")',
+        'revision' : '<!(python ../build/util/lastchange.py --revision-only)',
         'packaging_files_common': [
           'installer/linux/internal/common/apt.include',
           'installer/linux/internal/common/default-app.template',
@@ -984,6 +984,41 @@
             'installer/mac/keychain_reauthorize_main.cc',
           ],
         },  # target: keychain_reauthorize
+        {
+          'target_name': 'gcapi_lib',
+          'type': 'static_library',
+          'include_dirs': [
+            '..',
+          ],
+          'sources': [
+            'installer/gcapi_mac/gcapi.h',
+            'installer/gcapi_mac/gcapi.mm',
+          ],
+          'link_settings': {
+            'libraries': [
+              '$(SDKROOT)/System/Library/Frameworks/Cocoa.framework',
+            ],
+          },
+          'xcode_settings': {
+            # TODO(thakis): Enable once http://crbug.com/90185 is done.
+            # 'ARCHS': [ 'i386', 'x86_64' ],
+            'MACOSX_DEPLOYMENT_TARGET': '10.4',
+            'GCC_ENABLE_OBJC_GC': 'supported',
+          },
+        },
+        {
+          'target_name': 'gcapi_example',
+          'type': 'executable',
+          'dependencies': [   
+            'gcapi_lib',
+          ],
+          'include_dirs': [
+            '..',
+          ],
+          'sources': [
+            'installer/gcapi_mac/gcapi_example_client.mm',
+          ],
+        },
       ],  # targets
     }],  # OS=="mac"
     [ 'branding == "Chrome"', {
diff --git a/chrome/installer/gcapi/gcapi.h b/chrome/installer/gcapi/gcapi.h
index 5d950fa..bca1c66 100644
--- a/chrome/installer/gcapi/gcapi.h
+++ b/chrome/installer/gcapi/gcapi.h
@@ -8,25 +8,28 @@
 
 #include <windows.h>
 
-extern "C" {
 // Error conditions for GoogleChromeCompatibilityCheck().
-#define GCCC_ERROR_USERLEVELALREADYPRESENT       0x01
-#define GCCC_ERROR_SYSTEMLEVELALREADYPRESENT     0x02
-#define GCCC_ERROR_ACCESSDENIED                  0x04
-#define GCCC_ERROR_OSNOTSUPPORTED                0x08
-#define GCCC_ERROR_ALREADYOFFERED                0x10
-#define GCCC_ERROR_INTEGRITYLEVEL                0x20
+#define GCCC_ERROR_USERLEVELALREADYPRESENT       (1 << 0)
+#define GCCC_ERROR_SYSTEMLEVELALREADYPRESENT     (1 << 1)
+#define GCCC_ERROR_ACCESSDENIED                  (1 << 2)
+#define GCCC_ERROR_OSNOTSUPPORTED                (1 << 3)
+#define GCCC_ERROR_ALREADYOFFERED                (1 << 4)
+#define GCCC_ERROR_INTEGRITYLEVEL                (1 << 5)
 
 // Error conditions for CanReactivateChrome().
-#define REACTIVATE_ERROR_NOTINSTALLED            0x01
-#define REACTIVATE_ERROR_NOTDORMANT              0x02
-#define REACTIVATE_ERROR_ALREADY_REACTIVATED     0x04
-#define REACTIVATE_ERROR_INVALID_INPUT           0x08
-#define REACTIVATE_ERROR_REACTIVATION_FAILED     0x10
+#define REACTIVATE_ERROR_NOTINSTALLED            (1 << 0)
+#define REACTIVATE_ERROR_NOTDORMANT              (1 << 1)
+#define REACTIVATE_ERROR_ALREADY_REACTIVATED     (1 << 2)
+#define REACTIVATE_ERROR_INVALID_INPUT           (1 << 3)
+#define REACTIVATE_ERROR_REACTIVATION_FAILED     (1 << 4)
 
 // Flags to indicate how GCAPI is invoked
-#define GCAPI_INVOKED_STANDARD_SHELL             0x01
-#define GCAPI_INVOKED_UAC_ELEVATION              0x02
+#define GCAPI_INVOKED_STANDARD_SHELL             (1 << 0)
+#define GCAPI_INVOKED_UAC_ELEVATION              (1 << 1)
+
+#ifdef __cplusplus
+extern "C" {
+#endif
 
 // The minimum number of days an installation can be dormant before reactivation
 // may be offered.
@@ -107,6 +110,8 @@ typedef BOOL (__stdcall *GCCC_ReactivateChrome)(const wchar_t*,
                                                 int,
                                                 DWORD*);
 
+#ifdef __cplusplus
 }  // extern "C"
+#endif
 
 #endif  // CHROME_INSTALLER_GCAPI_GCAPI_H_
diff --git a/chrome/installer/gcapi_mac/gcapi.h b/chrome/installer/gcapi_mac/gcapi.h
new file mode 100644
index 0000000..3a84a1f
--- /dev/null
+++ b/chrome/installer/gcapi_mac/gcapi.h
@@ -0,0 +1,38 @@
+// 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.
+
+#ifndef CHROME_INSTALLER_GCAPI_MAC_GCAPI_H_
+#define CHROME_INSTALLER_GCAPI_MAC_GCAPI_H_
+#pragma once
+
+// Error conditions for GoogleChromeCompatibilityCheck().
+#define GCCC_ERROR_USERLEVELALREADYPRESENT       (1 << 0)
+#define GCCC_ERROR_SYSTEMLEVELALREADYPRESENT     (1 << 1)
+#define GCCC_ERROR_ACCESSDENIED                  (1 << 2)
+#define GCCC_ERROR_OSNOTSUPPORTED                (1 << 3)
+#define GCCC_ERROR_ALREADYOFFERED                (1 << 4)
+#define GCCC_ERROR_INTEGRITYLEVEL                (1 << 5)
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+// This function returns YES if Google Chrome should be offered.
+// If the return is NO, |reasons| explains why.  If you don't care for the
+// reason, you can pass NULL for |reasons|.
+// |set_flag| indicates whether a flag should be set indicating that Chrome was
+// offered within the last six months; if passed NO, this method will not
+// set the flag even if Chrome can be offered.  If passed TRUE, this method
+// will set the flag only if Chrome can be offered.
+// |shell_mode| should be set to one of GCAPI_INVOKED_STANDARD_SHELL or
+// GCAPI_INVOKED_UAC_ELEVATION depending on whether this method is invoked
+// from an elevated or non-elevated process. TODO(thakis): This doesn't make
+// sense on mac, change comment.
+int GoogleChromeCompatibilityCheck(unsigned* reasons);
+
+#ifdef __cplusplus
+}  // extern "C"
+#endif
+
+#endif  // CHROME_INSTALLER_GCAPI_MAC_GCAPI_H_
diff --git a/chrome/installer/gcapi_mac/gcapi.mm b/chrome/installer/gcapi_mac/gcapi.mm
new file mode 100644
index 0000000..2530e8d
--- /dev/null
+++ b/chrome/installer/gcapi_mac/gcapi.mm
@@ -0,0 +1,124 @@
+// 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/installer/gcapi_mac/gcapi.h"
+
+#import <Cocoa/Cocoa.h>
+#include <sys/utsname.h>
+
+namespace {
+
+// Condensed from chromium's base/mac/mac_util.mm.
+bool IsOSXLeopardOrLater() {
+  // On 10.6, Gestalt() was observed to be able to spawn threads (see
+  // http://crbug.com/53200). Don't call Gestalt().
+  struct utsname uname_info;
+  if (uname(&uname_info) != 0)
+    return false;
+  if (strcmp(uname_info.sysname, "Darwin") != 0)
+    return false;
+
+  char* dot = strchr(uname_info.release, '.');
+  if (!dot)
+    return false;
+
+  int darwin_major_version = atoi(uname_info.release);
+  if (darwin_major_version < 6)
+    return false;
+
+  // The Darwin major version is always 4 greater than the Mac OS X minor
+  // version for Darwin versions beginning with 6, corresponding to Mac OS X
+  // 10.2.
+  int mac_os_x_minor_version = darwin_major_version - 4;
+
+  return mac_os_x_minor_version >= 5;
+}
+
+NSString* const kSystemKsadminPath =
+    @"/Library/Google/GoogleSoftwareUpdate/GoogleSoftwareUpdate.bundle/"
+     "Contents/MacOS/ksadmin";
+
+NSString* const kUserKsadminPath =
+    @"~/Library/Google/GoogleSoftwareUpdate/GoogleSoftwareUpdate.bundle/"
+     "Contents/MacOS/ksadmin";
+
+enum TicketKind {
+  kSystemTicket, kUserTicket
+};
+
+BOOL HasChromeTicket(TicketKind kind) {
+  // Don't use Objective-C 2 loop syntax, in case an installer runs on 10.4.
+  NSMutableArray* keystonePaths =
+      [NSMutableArray arrayWithObject:kUserKsadminPath];
+  if (kind == kSystemTicket)
+    [keystonePaths insertObject:kSystemKsadminPath atIndex:0];
+  NSEnumerator* e = [keystonePaths objectEnumerator];
+  id ksPath;
+  while ((ksPath = [e nextObject])) {
+    NSTask* task = nil;
+    NSString* string = nil;
+    bool ksadminRanSuccessfully = false;
+
+    @try {
+      task = [[NSTask alloc] init];
+      [task setLaunchPath:ksPath];
+
+      NSArray* arguments = @[
+          kind == kUserTicket ? @"--user-store" : @"--system-store",
+          @"--print-tickets",
+          @"--productid",
+          @"com.google.Chrome",
+      ];
+      [task setArguments:arguments];
+
+      NSPipe* pipe = [NSPipe pipe];
+      [task setStandardOutput:pipe];
+
+      NSFileHandle* file = [pipe fileHandleForReading];
+
+      [task launch];
+
+      NSData* data = [file readDataToEndOfFile];
+      [task waitUntilExit];
+
+      ksadminRanSuccessfully = [task terminationStatus] == 0;
+      string = [[[NSString alloc] initWithData:data
+                                    encoding:NSUTF8StringEncoding] autorelease];
+    }
+    @catch (id exception) {
+      // Most likely, ksPath didn't exist.
+    }
+    [task release];
+
+    if (ksadminRanSuccessfully && [string length] > 0)
+      return YES;
+  }
+
+  return NO;
+}
+
+}  // namespace
+
+int GoogleChromeCompatibilityCheck(unsigned* reasons) {
+  unsigned local_reasons = 0;
+
+  NSAutoreleasePool* pool = [[NSAutoreleasePool alloc] init];
+
+  if (!IsOSXLeopardOrLater())
+    local_reasons |= GCCC_ERROR_OSNOTSUPPORTED;
+
+  if (HasChromeTicket(kSystemTicket))
+    local_reasons |= GCCC_ERROR_SYSTEMLEVELALREADYPRESENT;
+
+  if (HasChromeTicket(kUserTicket))
+    local_reasons |= GCCC_ERROR_USERLEVELALREADYPRESENT;
+
+  [pool drain];
+
+  // Done. Copy/return results.
+  if (reasons != NULL)
+    *reasons = local_reasons;
+
+  return local_reasons == 0;
+}
diff --git a/chrome/installer/gcapi_mac/gcapi_example_client.mm b/chrome/installer/gcapi_mac/gcapi_example_client.mm
new file mode 100644
index 0000000..902fff3
--- /dev/null
+++ b/chrome/installer/gcapi_mac/gcapi_example_client.mm
@@ -0,0 +1,13 @@
+// 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/installer/gcapi_mac/gcapi.h"
+
+#import <Foundation/Foundation.h>
+
+int main() {
+  unsigned reasons;
+  int b = GoogleChromeCompatibilityCheck(&reasons);
+  NSLog(@"%d: %x", b, reasons);
+}