blob: f71a7d5174bed6a62b9e4d1a84c1b482248992f9 [file] [log] [blame]
// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "android_webview/browser/renderer_host/auto_login_parser.h"
#include <utility>
#include <vector>
#include "base/notreached.h"
#include "base/strings/escape.h"
#include "base/strings/string_split.h"
namespace android_webview {
namespace {
bool MatchRealm(const std::string& realm, RealmRestriction restriction) {
switch (restriction) {
case ONLY_GOOGLE_COM:
return realm == "com.google";
case ALLOW_ANY_REALM:
return true;
default:
NOTREACHED();
return false;
}
}
} // namespace
HeaderData::HeaderData() {}
HeaderData::~HeaderData() {}
bool ParseHeader(const std::string& header,
RealmRestriction realm_restriction,
HeaderData* header_data) {
// TODO(pliard): Investigate/fix potential internationalization issue. It
// seems that "account" from the x-auto-login header might contain non-ASCII
// characters.
if (header.empty())
return false;
base::StringPairs pairs;
if (!base::SplitStringIntoKeyValuePairs(header, '=', '&', &pairs))
return false;
// Parse the information from the |header| string.
HeaderData local_params;
for (base::StringPairs::const_iterator it = pairs.begin(); it != pairs.end();
++it) {
const std::string& key = it->first;
const std::string& value = it->second;
std::string unescaped_value = base::UnescapeBinaryURLComponent(value);
if (key == "realm") {
if (!MatchRealm(unescaped_value, realm_restriction))
return false;
local_params.realm = unescaped_value;
} else if (key == "account") {
local_params.account = unescaped_value;
} else if (key == "args") {
local_params.args = unescaped_value;
}
}
if (local_params.realm.empty() || local_params.args.empty())
return false;
*header_data = local_params;
return true;
}
} // namespace android_webview