1 // Copyright 2012 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.
5 #include "webkit/common/user_agent/user_agent_util.h"
7 #import <UIKit/UIKit.h>
9 #include <sys/sysctl.h>
12 #include "base/mac/scoped_nsobject.h"
13 #include "base/strings/string_util.h"
14 #include "base/strings/stringprintf.h"
15 #include "base/strings/sys_string_conversions.h"
16 #include "base/sys_info.h"
21 const char* safari_version_string;
22 const char* webkit_version_string;
26 int32 major_os_version;
27 int32 minor_os_version;
28 UAVersions ua_versions;
31 const UAVersions& GetUAVersionsForCurrentOS() {
32 // The WebKit version can be extracted dynamically from UIWebView, but the
33 // Safari version can't be, so a lookup table is used instead (for both, since
34 // the reported versions should stay in sync).
35 static const OSVersionMap version_map[] = {
36 // TODO(stuartmorgan): Update for 7.0 final if necessary.
37 { 7, 0, { "8536.25", "537.51.1" } },
38 // 6.1 has the same values as 6.0.
39 { 6, 0, { "8536.25", "536.26" } },
40 // 5.1 has the same values as 5.0.
41 { 5, 0, { "7534.48.3", "534.46" } },
44 int32 os_major_version = 0;
45 int32 os_minor_version = 0;
46 int32 os_bugfix_version = 0;
47 base::SysInfo::OperatingSystemVersionNumbers(&os_major_version,
51 // Return the versions corresponding to the first (and thus highest) OS
52 // version less than or equal to the given OS version.
53 for (unsigned int i = 0; i < arraysize(version_map); ++i) {
54 if (os_major_version > version_map[i].major_os_version ||
55 (os_major_version == version_map[i].major_os_version &&
56 os_minor_version >= version_map[i].minor_os_version))
57 return version_map[i].ua_versions;
60 return version_map[arraysize(version_map) - 1].ua_versions;
65 namespace webkit_glue {
67 std::string BuildOSCpuInfo() {
68 int32 os_major_version = 0;
69 int32 os_minor_version = 0;
70 int32 os_bugfix_version = 0;
71 base::SysInfo::OperatingSystemVersionNumbers(&os_major_version,
74 std::string os_version;
75 if (os_bugfix_version == 0) {
76 base::StringAppendF(&os_version,
81 base::StringAppendF(&os_version,
88 // Remove the end of the platform name. For example "iPod touch" becomes
90 std::string platform = base::SysNSStringToUTF8(
91 [[UIDevice currentDevice] model]);
92 size_t position = platform.find_first_of(" ");
93 if (position != std::string::npos)
94 platform = platform.substr(0, position);
99 "%s;%s CPU %sOS %s like Mac OS X",
101 (os_major_version < 5) ? " U;" : "", // iOS < 5 has a "U;" in the UA.
102 (platform == "iPad") ? "" : "iPhone ", // iPad has an empty string here.
108 std::string BuildUserAgentFromProduct(const std::string& product) {
109 // Retrieve the kernel build number.
110 int mib[2] = {CTL_KERN, KERN_OSVERSION};
111 unsigned int namelen = sizeof(mib) / sizeof(mib[0]);
112 size_t bufferSize = 0;
113 sysctl(mib, namelen, NULL, &bufferSize, NULL, 0);
114 char kernel_version[bufferSize];
115 int result = sysctl(mib, namelen, kernel_version, &bufferSize, NULL, 0);
118 UAVersions ua_versions = GetUAVersionsForCurrentOS();
120 std::string user_agent;
123 "Mozilla/5.0 (%s) AppleWebKit/%s"
124 " (KHTML, like Gecko) %s Mobile/%s Safari/%s",
125 webkit_glue::BuildOSCpuInfo().c_str(),
126 ua_versions.webkit_version_string,
129 ua_versions.safari_version_string);
134 } // namespace webkit_glue