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/*
* Copyright (C) 2021 Sony Interactive Entertainment Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "UserAgent.h"
#include <wtf/NeverDestroyed.h>
#include <wtf/text/StringConcatenate.h>
// WARNING! WARNING! WARNING!
//
// The user agent is ludicrously fragile. The most innocent change can
// and will break websites. Read the git log for this file and
// WebCore/platform/glib/UserAgentGLib.cpp carefully before changing
// user agent construction. You have been warned.
namespace WebCore {
static String getSystemSoftwareName()
{
#if HAS_GETENV_NP
char buf[32];
if (!getenv_np("SYSTEM_SOFTWARE_NAME", buf, sizeof(buf)))
return String::fromUTF8(buf);
#endif
return "PlayStation"_s;
}
static String getSystemSoftwareVersion()
{
#if HAS_GETENV_NP
char buf[32];
if (!getenv_np("SYSTEM_SOFTWARE_VERSION", buf, sizeof(buf)))
return String::fromUTF8(buf);
#endif
return "0.00"_s;
}
static constexpr const char* versionForUAString()
{
// https://bugs.webkit.org/show_bug.cgi?id=180365
return "605.1.15";
}
static String standardUserAgentStatic()
{
// Version/X is mandatory *before* Safari/X to be a valid Safari UA. See
// https://bugs.webkit.org/show_bug.cgi?id=133403 for details.
static NeverDestroyed<String> uaStatic(makeString("Mozilla/5.0 (PlayStation; ", getSystemSoftwareName(), '/', getSystemSoftwareVersion(), ") AppleWebKit/", versionForUAString(), " (KHTML, like Gecko) ", "Version/14.0 Safari/", versionForUAString()));
return uaStatic;
}
String standardUserAgent(const String& applicationName, const String& applicationVersion)
{
// Create a default user agent string with a liberal interpretation of
// https://developer.mozilla.org/en-US/docs/User_Agent_Strings_Reference
//
// Forming a functional user agent is really difficult. We must mention Safari, because some
// sites check for that when detecting WebKit browsers. Additionally some sites assume that
// browsers that are "Safari" but not running on OS X are the Safari iOS browser. Getting this
// wrong can cause sites to load the wrong JavaScript, CSS, or custom fonts. In some cases
// sites won't load resources at all.
if (applicationName.isEmpty())
return standardUserAgentStatic();
String finalApplicationVersion = applicationVersion;
if (finalApplicationVersion.isEmpty())
finalApplicationVersion = String::fromUTF8(versionForUAString());
return makeString(standardUserAgentStatic(), ' ', applicationName, '/', finalApplicationVersion);
}
String standardUserAgentForURL(const URL&)
{
return standardUserAgentStatic();
}
} // namespace WebCore
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