Initial commit for Chrome metainstaller on Mac.

chrome/installer/mac/app/OmahaXMLRequest.m

+// Copyright (c) 2016 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.
+
+#import <Foundation/Foundation.h>

[Mark Mentovai, 2016/07/11 17:56:16]

#import "OmahaXMLRequest.h>

#import <Foundation/Foundation.h>

#import "SystemInfo.h"

+#include "OmahaXMLRequest.h"
+#include "SystemInfo.h"
+
+@implementation OmahaXMLRequest : NSObject
+
+// borisv@ indicated that the OS version, platform, appid, and version are the
+// user attributes that Omaha actually looks at. The other parameters are useful
+// for logging purposes but otherwise not directly used.
++ (NSXMLDocument*)createXMLRequestBody {
+  NSString* protocol = @"3.0";
+  NSString* keystoneVersion = @"KeystoneAgent-1.99.4.0";

[Mark Mentovai, 2016/07/11 17:56:16]

I don’t think we should masquerade as Keystone here, it’ll make it harder to
distinguish on the server.

+
+  NSString* platform = @"mac";
+  NSString* operatingSystem = [SystemInfo getOSVersion];
+  NSString* architecture = [SystemInfo getArch];
+  NSString* plat_arch =
+      [NSString stringWithFormat:@"%@_%@", operatingSystem, architecture];
+
+  NSString* appid = @"com.google.Chrome";
+  NSString* version = @"0.0.0.0";
+  NSString* language = @"en-us";
+
+  NSXMLElement* root = [[NSXMLElement alloc] initWithName:@"request"];
+  [root addAttribute:[NSXMLNode attributeWithName:@"protocol"
+                                      stringValue:protocol]];
+  [root addAttribute:[NSXMLNode attributeWithName:@"version"
+                                      stringValue:keystoneVersion]];
+
+  NSXMLElement* osChild = [[NSXMLElement alloc] initWithName:@"os"];
+  [osChild addAttribute:[NSXMLNode attributeWithName:@"platform"
+                                         stringValue:platform]];
+  [osChild addAttribute:[NSXMLNode attributeWithName:@"version"
+                                         stringValue:operatingSystem]];
+  [osChild addAttribute:[NSXMLNode attributeWithName:@"arch"
+                                         stringValue:architecture]];
+  [osChild
+      addAttribute:[NSXMLNode attributeWithName:@"sp" stringValue:plat_arch]];
+  [root addChild:osChild];
+
+  NSXMLElement* appChild = [[NSXMLElement alloc] initWithName:@"app"];
+  [appChild
+      addAttribute:[NSXMLNode attributeWithName:@"appid" stringValue:appid]];
+  [appChild addAttribute:[NSXMLNode attributeWithName:@"version"
+                                          stringValue:version]];
+  [appChild
+      addAttribute:[NSXMLNode attributeWithName:@"lang" stringValue:language]];
+  [root addChild:appChild];
+
+  NSXMLElement* updateChildChild =
+      [[NSXMLElement alloc] initWithName:@"updatecheck"];
+  [appChild addChild:updateChildChild];
+
+  NSXMLDocument* requestXMLDocument =
+      [[NSXMLDocument alloc] initWithRootElement:root];
+  return requestXMLDocument;
+}
+
+@end