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## 内容1
### 文件路径：
cpp/iedriver/CookieManager.cpp
### 代码内容：
// Licensed to the Software Freedom Conservancy (SFC) under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The SFC licenses this file
// to you under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#include "CookieManager.h"

#include <UrlMon.h>
#include <wininet.h>

#include "errorcodes.h"
#include "logging.h"

#include "BrowserCookie.h"
#include "HookProcessor.h"
#include "messages.h"
#include "StringUtilities.h"

#define TICKS_PER_SECOND 10000000
#define UNIX_TIME_OFFSET_SECONDS 11644473600L

namespace webdriver {

struct CookieSendMessageInfo {
  HWND window_handle;
  unsigned int message;
};

CookieManager::CookieManager(void) {
  this->window_handle_ = NULL;
}

CookieManager::~CookieManager(void) {
}

void CookieManager::Initialize(HWND window_handle) {
  LOG(TRACE) << "Entering CookieManager::Initialize";
  this->window_handle_ = window_handle;
}

bool CookieManager::IsAdvancedCookiesApi() {
  FARPROC address = NULL;
  HMODULE wininet_handle = ::GetModuleHandle(L"wininet");
  if (wininet_handle) {
    address = ::GetProcAddress(wininet_handle, "InternetGetCookieEx2");
  }
  return address != NULL;
}

int CookieManager::SetCookie(const std::string& url,
                             const BrowserCookie& cookie) {
  std::string full_data = url + "|" + cookie.ToString();
  WPARAM set_flags = 0;
  if (cookie.is_httponly()) {
    set_flags = INTERNET_COOKIE_HTTPONLY;
  }

  HookSettings hook_settings;
  hook_settings.hook_procedure_name = "CookieWndProc";
  hook_settings.hook_procedure_type = WH_CALLWNDPROC;
  hook_settings.window_handle = this->window_handle_;
  hook_settings.communication_type = OneWay;

  HookProcessor hook;
  if (!hook.CanSetWindowsHook(this->window_handle_)) {
    LOG(WARN) << "Cannot set cookie because driver and browser are not the "
              << "same bit-ness.";
    return EUNHANDLEDERROR;
  }
  hook.Initialize(hook_settings);
  hook.PushData(StringUtilities::ToWString(full_data));
  ::SendMessage(this->window_handle_, WD_SET_COOKIE, set_flags, NULL);
  int status = HookProcessor::GetDataBufferSize();
  if (status != 0) {
    LOG(WARN) << "Setting cookie encountered error " << status;
    return EINVALIDCOOKIEDOMAIN;
  }
  return WD_SUCCESS;
}

int CookieManager::GetCookies(const std::string& url,
                              std::vector<BrowserCookie>* all_cookies) {
  LOG(TRACE) << "Entering CookieManager::GetCookies";
  std::wstring wide_url = StringUtilities::ToWString(url);
  CComPtr<IUri> parsed_url;
  ::CreateUri(wide_url.c_str(), Uri_CREATE_ALLOW_RELATIVE, 0, &parsed_url);
  DWORD url_scheme = 0;
  parsed_url->GetScheme(&url_scheme);
  bool is_secure_url = URL_SCHEME_HTTPS == url_scheme;

  HookSettings hook_settings;
  hook_settings.hook_procedure_name = "CookieWndProc";
  hook_settings.hook_procedure_type = WH_CALLWNDPROC;
  hook_settings.window_handle = this->window_handle_;
  hook_settings.communication_type = TwoWay;

  HookProcessor hook;
  if (!hook.CanSetWindowsHook(this->window_handle_)) {
    LOG(WARN) << "Cannot get cookies because driver and browser are not the "
              << "same bit-ness.";
    return EUNHANDLEDERROR;
  }
  hook.Initialize(hook_settings);

  bool supports_advanced_api = this->IsAdvancedCookiesApi();
  if (supports_advanced_api) {
    // The version of WinINet installed supports the InternetGetCookieEx2
    // API, which gets all cookies (session and persistent) at once.
    std::wstring raw_cookie_data =
        this->SendGetCookieMessage(wide_url,
                                   WD_GET_ALL_COOKIES,
                                   &hook);
    std::string all_cookies_list = StringUtilities::ToString(raw_cookie_data);
    std::map<std::string, BrowserCookie> cookies;
    this->ParseCookieList(all_cookies_list,
                          is_secure_url,
                          &cookies);
    std::map<std::string, BrowserCookie>::const_iterator cookie_iterator;
    for (cookie_iterator = cookies.begin();
         cookie_iterator != cookies.end();
         ++cookie_iterator) {
      all_cookies->push_back(cookie_iterator->second);
    }
  } else {
    // Get all cookies for the current URL visible to JavaScript.
    std::wstring scriptable_cookie_string =
        this->SendGetCookieMessage(wide_url,
                                   WD_GET_SCRIPTABLE_COOKIES,
                                   &hook);
    std::map<std::string, std::string> scriptable_cookies;
    this->ParseCookieString(scriptable_cookie_string, &scriptable_cookies);

    // Get all cookies for the insecure version of the current URL,
    // which will include HttpOnly cookies.
    std::wstring insecure_cookie_string =
        this->SendGetCookieMessage(wide_url,
                                   WD_GET_HTTPONLY_COOKIES,
                                   &hook);
    std::map<std::string, std::string> insecure_cookies;
    this->ParseCookieString(insecure_cookie_string, &insecure_cookies);

    // Get all cookies for the current secure URL. This will include
    // HttpOnly cookies.
    std::wstring secure_cookie_string =
        this->SendGetCookieMessage(wide_url,
                                   WD_GET_SECURE_COOKIES,
                                   &hook);
    std::map<std::string, std::string> secure_cookies;
    this->ParseCookieString(secure_cookie_string, &secure_cookies);

    // Get all of the persistent cookie files in the cache for the
    // URL currently being browsed.
    std::wstring file_list =
        this->SendGetCookieMessage(wide_url,
                                   WD_GET_COOKIE_CACHE_FILES,
                                   &hook);
    std::vector<std::wstring> files;
    StringUtilities::Split(file_list, L"|", &files);

    // Parse the persistent cookie files to produce a list of
    // cookies.
    std::map<std::string, BrowserCookie> persistent_cookies;
    std::vector<std::wstring>::const_iterator file_iterator;
    for (file_iterator = files.begin();
         file_iterator != files.end();
         ++file_iterator) {
      std::string cookie_file_contents = this->ReadCookieFile(*file_iterator);
      this->ParseCookieList(cookie_file_contents,
                            is_secure_url,
                            &persistent_cookies);
    }

    // Loop through the entire list of cookies, including HttpOnly and secure
    // cookies. If the cookie exists as a persistent cookie, use its data from
    // the cache. If the cookie is found in the list of cookies visible to
    // JavaScript, set the HttpOnly property of the cookie to false. If the
    // cookie is found in the list of cookies set on the insecure version of
    // the URL, set the Secure property of the cookie to false.
    std::map<std::string, std::string>::const_iterator it = secure_cookies.begin();
    for (; it != secure_cookies.end(); ++it) {
      BrowserCookie browser_cookie;
      if (persistent_cookies.find(it->first) != persistent_cookies.end()) {
        browser_cookie = persistent_cookies[it->first];
      } else {
        browser_cookie.set_name(it->first);
        browser_cookie.set_value(it->second);
        browser_cookie.set_is_httponly(scriptable_cookies.find(it->first) == scriptable_cookies.end());
        browser_cookie.set_is_secure(insecure_cookies.find(it->first) == insecure_cookies.end());
      }
      all_cookies->push_back(browser_cookie);
    }
  }
  return WD_SUCCESS;
}

bool CookieManager::DeleteCookie(const std::string& url,
                                 const BrowserCookie& cookie) {
  std::wstring wide_url = StringUtilities::ToWString(url);
  CComPtr<IUri> uri_pointer;
  ::CreateUri(wide_url.c_str(), Uri_CREATE_ALLOW_RELATIVE, 0, &uri_pointer);

  CComBSTR host_bstr;
  uri_pointer->GetHost(&host_bstr);
  std::wstring wide_domain = host_bstr;

  CComBSTR path_bstr;
  uri_pointer->GetPath(&path_bstr);
  std::wstring wide_path = path_bstr;

  std::string domain = StringUtilities::ToString(wide_domain);
  std::string path = StringUtilities::ToString(wide_path);

  // N.B., We can hard-code the value and expiration time, since
  // we are deleting the cookie. So the value will be "deleted",
  // and the expiration time will be 1000 milliseconds after the
  // zero date (or Thu 1 Jan 1970 00:00:01 GMT).
  BrowserCookie recursive_cookie = cookie.Copy();
  recursive_cookie.set_domain(domain);
  recursive_cookie.set_path(path);
  recursive_cookie.set_value("deleted");
  recursive_cookie.set_expiration_time(1000);
  return this->RecursivelyDeleteCookie(url, recursive_cookie);
}

bool CookieManager::RecursivelyDeleteCookie(const std::string& url,
                                            const BrowserCookie& cookie) {
  // TODO: Optimize this path from the recursive to only
  // call setting the cookie as often as needed.
  BrowserCookie recursive_cookie = cookie.Copy();
  recursive_cookie.set_domain("." + cookie.domain());
  return this->RecurseCookiePath(url, recursive_cookie);
}

bool CookieManager::RecurseCookiePath(const std::string& url,
                                      const BrowserCookie& cookie) {
  size_t number_of_characters = 0;
  size_t slash_index = cookie.path().find_last_of('/');
  size_t final_index = cookie.path().size() - 1;
  if (slash_index == final_index) {
    number_of_characters = slash_index;
  }
  else {
    number_of_characters = slash_index + 1;
  }

  if (slash_index != std::string::npos) {
    BrowserCookie path_cookie = cookie.Copy();
    path_cookie.set_path(cookie.path().substr(0, number_of_characters));
    bool deleted = this->RecurseCookiePath(url, path_cookie);
  }
  return this->RecurseCookieDomain(url, cookie);
}

bool CookieManager::RecurseCookieDomain(const std::string& url,
                                        const BrowserCookie& cookie) {
  int status = this->SetCookie(url, cookie);

  size_t dot_index = cookie.domain().find_first_of('.');
  if (dot_index == 0) {
    BrowserCookie first_dot_cookie = cookie.Copy();
    first_dot_cookie.set_domain(cookie.domain().substr(1));
    return this->RecurseCookieDomain(url, first_dot_cookie);
  } else if (dot_index != std::string::npos) {
    BrowserCookie no_dot_cookie = cookie.Copy();
    no_dot_cookie.set_domain(cookie.domain().substr(dot_index));
    return this->RecurseCookieDomain(url, no_dot_cookie);
  }

  BrowserCookie no_domain_cookie = cookie.Copy();
  no_domain_cookie.set_domain("");
  status = this->SetCookie(url, no_domain_cookie);
  return status == WD_SUCCESS;
}

std::string CookieManager::ReadCookieFile(const std::wstring& file_name) {
  LOG(TRACE) << "Entering CookieManager::ReadCookieFile";
  HANDLE file_handle = ::CreateFile(file_name.c_str(),
                                    GENERIC_READ,
                                    FILE_SHARE_READ | FILE_SHARE_WRITE,
                                    NULL,
                                    OPEN_EXISTING,
                                    0,
                                    NULL);
  // Read the cookie file. Hopefully, we will never have a 2GB cookie file.
  DWORD file_size_high = 0;
  DWORD file_size_low = ::GetFileSize(file_handle, &file_size_high);
  std::vector<char> file_content(file_size_low + 1);
  DWORD bytes_read = 0;
  ::ReadFile(file_handle, &file_content[0], file_size_low, &bytes_read, NULL);
  ::CloseHandle(file_handle);

  // Null-terminate and convert to a string for easier manipulation.
  file_content[bytes_read - 1] = '\0';
  std::string cookie_file_contents = &file_content[0];
  return cookie_file_contents;
}

void CookieManager::ParseCookieList(const std::string& cookie_file_contents,
                                    const bool include_secure_cookies,
                                    std::map<std::string, BrowserCookie>* cookies) {
  LOG(TRACE) << "Entering CookieManager::ParseCookieList";

  // Each cookie in the file is a record structure separated by
  // a line containing a single asterisk ('*'). Split the file
  // content on this delimiter, and parse each record.
  std::vector<std::string> persistent_cookie_strings;
  StringUtilities::Split(cookie_file_contents,
                         "\n*\n",
                         &persistent_cookie_strings);
  std::vector<std::string>::const_iterator cookie_string_iterator;
  for (cookie_string_iterator = persistent_cookie_strings.begin();
       cookie_string_iterator != persistent_cookie_strings.end();
       ++cookie_string_iterator) {
    BrowserCookie persistent_cookie =
        this->ParseSingleCookie(*cookie_string_iterator);
    if (include_secure_cookies || !persistent_cookie.is_secure()) {
      // Omit the cookie if it's 'secure' flag is set and we are *not*
      // browsing using SSL.
      cookies->insert(
          std::pair<std::string, BrowserCookie>(persistent_cookie.name(),
          persistent_cookie));
    }
  }
}

BrowserCookie CookieManager::ParseSingleCookie(const std::string& cookie) {
  LOG(TRACE) << "Entering CookieManager::ParsePersistentCookieInfo";
  // Cookies represented by a structured string record type.
  // This structure is modeled after how some versions of IE
  // stored perisitent cookeis as files on disk. Each cookie
  // is represented by 8 lines in the file separated by line
  // feed (0xA) characters, with the following format:
  //
  //     cookie_name
  //     cookie_value
  //     cookie.domain.value/cookie/path/value/
  //     <integer representing cookie flags>
  //     <unsigned long representing the low 32 bits of expiration time>
  //     <unsigned long representing the high 32 bits of expiration time>
  //     <unsigned long representing the low 32 bits of last-modified time>
  //     <unsigned long representing the high 32 bits of last-modified time>
  //
  // Read each of these lines and set the appropriate values
  // in the resulting cookie object.
  std::vector<std::string> cookie_parts;
  StringUtilities::Split(cookie, "\n", &cookie_parts);

  BrowserCookie cookie_to_return;
  cookie_to_return.set_name(cookie_parts[0]);
  cookie_to_return.set_value(cookie_parts[1]);

  size_t position = cookie_parts[2].find_first_of("/");
  cookie_to_return.set_domain(cookie_parts[2].substr(0, position));
  cookie_to_return.set_path(cookie_parts[2].substr(position));

  int flags = atoi(cookie_parts[3].c_str());
  cookie_to_return.set_is_secure(INTERNET_COOKIE_IS_SECURE == (INTERNET_COOKIE_IS_SECURE & flags));
  cookie_to_return.set_is_httponly(INTERNET_COOKIE_HTTPONLY == (INTERNET_COOKIE_HTTPONLY & flags));

  if (cookie_parts[4].size() > 0 && cookie_parts[5].size() > 0) {
    unsigned long expiry_time_low = strtoul(cookie_parts[4].c_str(), NULL, 10);
    unsigned long expiry_time_high = strtoul(cookie_parts[5].c_str(), NULL, 10);
    unsigned long long expiration_time = (expiry_time_high * static_cast<long long>(pow(2.0, 32))) + expiry_time_low;

    // Cookie expiration time is stored in the file as the number
    // of 100-nanosecond ticks since 1 January 1601 12:00:00 AM GMT.
    // We need the number of seconds since 1 January 1970 12:00:00 AM GMT.
    // This is the conversion.
    unsigned long cookie_expiration_time = static_cast<unsigned long>((expiration_time / TICKS_PER_SECOND) - UNIX_TIME_OFFSET_SECONDS);
    cookie_to_return.set_expiration_time(cookie_expiration_time);
  }
  return cookie_to_return;
}

void CookieManager::ParseCookieString(const std::wstring& cookie_string,
                                      std::map<std::string, std::string>* cookies) {
  LOG(TRACE) << "Entering CookieManager::ParseCookieString";
  std::wstring cookie_string_copy = cookie_string;
  while (cookie_string_copy.size() > 0) {
    size_t cookie_delimiter_pos = cookie_string_copy.find(L"; ");
    std::wstring cookie = cookie_string_copy.substr(0, cookie_delimiter_pos);
    if (cookie_delimiter_pos == std::wstring::npos) {
      cookie_string_copy = L"";
    } else {
      cookie_string_copy = cookie_string_copy.substr(cookie_delimiter_pos + 2);
    }
    size_t cookie_separator_pos(cookie.find_first_of(L"="));
    std::string cookie_name(StringUtilities::ToString(cookie.substr(0, cookie_separator_pos)));
    std::string cookie_value(StringUtilities::ToString(cookie.substr(cookie_separator_pos + 1)));
    cookies->insert(std::pair<std::string, std::string>(cookie_name, cookie_value));
  }
}

std::wstring CookieManager::SendGetCookieMessage(const std::wstring& url,
                                                 const unsigned int message,
                                                 HookProcessor* hook) {
  LOG(TRACE) << "Entering CookieManager::SendGetCookieMessage";
  hook->PushData(url);

  // Since the named pipe server has to wait for the named pipe client
  // injected into the browser to connect to it before reading the data,
  // and since SendMessage is synchronous, we need to send the message
  // from a different thread to avoid a deadlock.
  CookieSendMessageInfo info;
  info.window_handle = this->window_handle_;
  info.message = message;
  unsigned int thread_id = 0;
  HANDLE thread_handle = reinterpret_cast<HANDLE>(_beginthreadex(NULL,
                                                  0,
                                                  &CookieManager::ThreadProc,
                                                  reinterpret_cast<void*>(&info),
                                                  0,
                                                  &thread_id));
  if (thread_handle != NULL) {
    ::CloseHandle(thread_handle);
  } else {
    LOGERR(DEBUG) << "Unable to create thread";
  }
  std::vector<char> buffer(0);
  int bytes = hook->PullData(&buffer);
  std::wstring cookies = reinterpret_cast<const wchar_t*>(&buffer[0]);
  return cookies;
}

unsigned int WINAPI CookieManager::ThreadProc(LPVOID lpParameter) {
  LOG(TRACE) << "Entering CookieManager::ThreadProc";

  CookieSendMessageInfo* info = reinterpret_cast<CookieSendMessageInfo*>(lpParameter);
  DWORD process_id = ::GetCurrentProcessId();
  LRESULT result = ::SendMessage(info->window_handle,
                                 info->message,
                                 process_id,
                                 NULL);
  return 0;
}

} // namespace webdriver

#ifdef __cplusplus
extern "C" {
#endif

// In order to run the IE driver against versions of IE that do not include
// a version of WinINet.dll that supports the InternetGetCookiesEx2 API,
// we must access the API in a way that does not import it into our DLL.
// To that end, we duplicate the INTERNET_COOKIE2 structure here, and will
// call the API (if it exists) via GetModuleHandle and GetProcAddress.
typedef struct {
  PWSTR pwszName;
  PWSTR pwszValue;
  PWSTR pwszDomain;
  PWSTR pwszPath;
  DWORD dwFlags;
  FILETIME ftExpires;
  BOOL fExpiresSet;
} INTERNETCOOKIE2;

typedef void* (__stdcall *InternetFreeCookiesProc)(INTERNETCOOKIE2*, DWORD);
typedef DWORD(__stdcall *InternetGetCookieEx2Proc)(PCWSTR, PCWSTR, DWORD, INTERNETCOOKIE2**, PDWORD);

LRESULT CALLBACK CookieWndProc(int nCode, WPARAM wParam, LPARAM lParam) {
  CWPSTRUCT* call_window_proc_struct = reinterpret_cast<CWPSTRUCT*>(lParam);
  if (WM_COPYDATA == call_window_proc_struct->message) {
    COPYDATASTRUCT* data = reinterpret_cast<COPYDATASTRUCT*>(call_window_proc_struct->lParam);
    webdriver::HookProcessor::CopyDataToBuffer(data->cbData, data->lpData);
  } else if (WD_GET_ALL_COOKIES == call_window_proc_struct->message) {
    std::wstring url = webdriver::HookProcessor::CopyWStringFromBuffer();
    int driver_process_id = static_cast<int>(call_window_proc_struct->wParam);

    CComPtr<IUri> uri_pointer;
    HRESULT hr = ::CreateUri(url.c_str(), Uri_CREATE_ALLOW_RELATIVE, 0, &uri_pointer);
    DWORD scheme = 0;
    uri_pointer->GetScheme(&scheme);
    CComBSTR scheme_bstr;
    uri_pointer->GetSchemeName(&scheme_bstr);
    CComBSTR host_bstr;
    uri_pointer->GetHost(&host_bstr);
    CComBSTR path_bstr;
    uri_pointer->GetPath(&path_bstr);

    std::wstring parsed_uri = scheme_bstr;
    parsed_uri.append(L"://");
    parsed_uri.append(host_bstr);
    parsed_uri.append(path_bstr);

    InternetGetCookieEx2Proc get_cookie_proc = NULL;
    InternetFreeCookiesProc free_cookies_proc = NULL;
    HMODULE wininet_handle = ::GetModuleHandle(L"wininet");
    if (wininet_handle) {
      get_cookie_proc = reinterpret_cast<InternetGetCookieEx2Proc>(::GetProcAddress(wininet_handle, "InternetGetCookieEx2"));
      free_cookies_proc = reinterpret_cast<InternetFreeCookiesProc>(::GetProcAddress(wininet_handle, "InternetFreeCookies"));
    }

    DWORD cookie_count = 0;
    INTERNETCOOKIE2* cookie_pointer = NULL;
    DWORD success = 1;
    if (get_cookie_proc) {
      success = get_cookie_proc(parsed_uri.c_str(),
                                NULL,
                                INTERNET_COOKIE_NON_SCRIPT,
                                &cookie_pointer,
                                &cookie_count);
    }

    if (success == 0) {
      // Mimic the format of the old persistent cookie files for ease of
      // transmission back to the driver and parsing.
      std::wstring all_cookies = L"";
      for (DWORD cookie_index = 0; cookie_index < cookie_count; ++cookie_index) {
        if (all_cookies.size() > 0) {
          all_cookies.append(L"\n*\n");
        }
        INTERNETCOOKIE2* current_cookie = cookie_pointer + cookie_index;
        std::wstring cookie_name = current_cookie->pwszName;
        std::wstring cookie_value = L"";
        if (current_cookie->pwszValue) {
          cookie_value = current_cookie->pwszValue;
        }
        std::wstring cookie_domain = L"";
        if (current_cookie->pwszDomain) {
          cookie_domain = current_cookie->pwszDomain;
        }
        std::wstring cookie_path = L"";
        if (current_cookie->pwszPath) {
          cookie_path = current_cookie->pwszPath;
        }
        DWORD flags = current_cookie->dwFlags;
        FILETIME expires = current_cookie->ftExpires;
        all_cookies.append(cookie_name).append(L"\n");
        all_cookies.append(cookie_value).append(L"\n");
        all_cookies.append(cookie_domain).append(L"/").append(cookie_path).append(L"\n");
        all_cookies.append(std::to_wstring(flags)).append(L"\n");
        // If the expiration time is set, add it to the string for the cookie.
        // If not, append empty fields to the record so subsequent parsing
        // of the string will still work.
        if (current_cookie->fExpiresSet) {
          all_cookies.append(std::to_wstring(expires.dwLowDateTime)).append(L"\n");
          all_cookies.append(std::to_wstring(expires.dwHighDateTime)).append(L"\n");
        } else {
          all_cookies.append(L"\n\n");
        }
      }
      free_cookies_proc(cookie_pointer, cookie_count);
      webdriver::HookProcessor::CopyWStringToBuffer(all_cookies);
    } else {
      webdriver::HookProcessor::SetDataBufferSize(sizeof(wchar_t));
    }
    webdriver::HookProcessor::WriteBufferToPipe(driver_process_id);
  } else if (WD_GET_HTTPONLY_COOKIES == call_window_proc_struct->message ||
             WD_GET_SCRIPTABLE_COOKIES == call_window_proc_struct->message ||
             WD_GET_SECURE_COOKIES == call_window_proc_struct->message) {
    std::wstring url = webdriver::HookProcessor::CopyWStringFromBuffer();
    int driver_process_id = static_cast<int>(call_window_proc_struct->wParam);

    DWORD get_cookie_flags = 0;
    if (WD_GET_HTTPONLY_COOKIES == call_window_proc_struct->message ||
      WD_GET_SECURE_COOKIES == call_window_proc_struct->message) {
      get_cookie_flags = INTERNET_COOKIE_HTTPONLY;
    }

    CComPtr<IUri> uri_pointer;
    HRESULT hr = ::CreateUri(url.c_str(), Uri_CREATE_ALLOW_RELATIVE, 0, &uri_pointer);
    DWORD scheme = 0;
    uri_pointer->GetScheme(&scheme);
    CComBSTR scheme_bstr;
    uri_pointer->GetSchemeName(&scheme_bstr);
    CComBSTR host_bstr;
    uri_pointer->GetHost(&host_bstr);
    CComBSTR path_bstr;
    uri_pointer->GetPath(&path_bstr);

    // Get only the cookies for the base URL, omitting port, if there is one.
    // N.B., we only return cookies secure cookies when browsing a site using
    // SSL. The browser won't see cookies with the 'secure' flag for sites
    // visited using plain http.
    std::wstring parsed_uri = L"http";
    if ((WD_GET_SECURE_COOKIES == call_window_proc_struct->message ||
         WD_GET_SCRIPTABLE_COOKIES == call_window_proc_struct->message) &&
        URL_SCHEME_HTTPS == scheme) {
      parsed_uri.append(L"s");
    }
    parsed_uri.append(L"://");
    parsed_uri.append(host_bstr);
    parsed_uri.append(path_bstr);

    // Call InternetGetCookieEx once to get the size of the buffer needed,
    // then call again with the appropriately sized buffer allocated.
    DWORD buffer_size = 0;
    BOOL success = ::InternetGetCookieEx(parsed_uri.c_str(),
                                         NULL,
                                         NULL,
                                         &buffer_size,
                                         get_cookie_flags,
                                         NULL);
    if (success) {
      webdriver::HookProcessor::SetDataBufferSize(buffer_size);
      ::InternetGetCookieEx(parsed_uri.c_str(),
                            NULL,
                            reinterpret_cast<LPTSTR>(webdriver::HookProcessor::GetDataBufferAddress()),
                            &buffer_size,
                            get_cookie_flags,
                            NULL);

      webdriver::HookProcessor::WriteBufferToPipe(driver_process_id);
    } else {
      if (ERROR_NO_MORE_ITEMS == ::GetLastError()) {
        webdriver::HookProcessor::SetDataBufferSize(sizeof(wchar_t));
        webdriver::HookProcessor::WriteBufferToPipe(driver_process_id);
      }
    }
  } else if (WD_GET_COOKIE_CACHE_FILES == call_window_proc_struct->message) {
    int driver_process_id = static_cast<int>(call_window_proc_struct->wParam);
    std::wstring file_list = L"";
    std::wstring url = webdriver::HookProcessor::CopyWStringFromBuffer();

    // We need to remove the port to find the entry in the cache.
    CComPtr<IUri> uri_pointer;
    HRESULT hr = ::CreateUri(url.c_str(), Uri_CREATE_ALLOW_RELATIVE, 0, &uri_pointer);
    CComBSTR host_bstr;
    uri_pointer->GetHost(&host_bstr);
    CComBSTR path_bstr;
    uri_pointer->GetPath(&path_bstr);
    std::wstring parsed_uri = host_bstr;
    parsed_uri.append(path_bstr);

    // A 2048-byte buffer should be large enough to handle cookie
    // cache entries in all but the most extreme cases.
    HANDLE cache_enum_handle = NULL;
    DWORD entry_size = 2048;
    LPINTERNET_CACHE_ENTRY_INFO entry = NULL;
    std::vector<char> entry_buffer(entry_size);
    entry = reinterpret_cast<INTERNET_CACHE_ENTRY_INFO*>(&entry_buffer[0]);
    cache_enum_handle = ::FindFirstUrlCacheEntry(L"cookie:",
                                                 entry,
                                                 &entry_size);
    if (cache_enum_handle == NULL &&
        ERROR_INSUFFICIENT_BUFFER == ::GetLastError()) {
      entry_buffer.resize(entry_size);
      entry = reinterpret_cast<INTERNET_CACHE_ENTRY_INFO*>(&entry_buffer[0]);
      cache_enum_handle = ::FindFirstUrlCacheEntry(L"cookie:",
                                                   entry,
                                                   &entry_size);
    }
    while (cache_enum_handle != NULL) {
      if (COOKIE_CACHE_ENTRY == (entry->CacheEntryType & COOKIE_CACHE_ENTRY)) {
        std::wstring name = entry->lpszSourceUrlName;
        size_t name_separator_pos(name.find_first_of(L"@"));
        std::wstring domain = name.substr(name_separator_pos + 1);
        if (parsed_uri.find(domain) != std::wstring::npos) {
          if (file_list.size() > 0) {
            file_list.append(L"|");
          }
          file_list.append(entry->lpszLocalFileName);
        }
      }
      BOOL success = ::FindNextUrlCacheEntry(cache_enum_handle,
                                             entry,
                                             &entry_size);
      if (!success) {
        DWORD error = ::GetLastError();
        if (ERROR_INSUFFICIENT_BUFFER == error) {
          entry_buffer.resize(entry_size);
          BOOL other_success = ::FindNextUrlCacheEntry(cache_enum_handle,
                                                       entry,
                                                       &entry_size);
        } else if (ERROR_NO_MORE_ITEMS == error) {
          ::FindCloseUrlCache(cache_enum_handle);
          cache_enum_handle = NULL;
        }
      }
    }
    webdriver::HookProcessor::CopyWStringToBuffer(file_list);
    webdriver::HookProcessor::WriteBufferToPipe(driver_process_id);
  } else if (WD_SET_COOKIE == call_window_proc_struct->message) {
    DWORD set_cookie_flags = static_cast<DWORD>(call_window_proc_struct->wParam);
    std::wstring cookie_data = webdriver::HookProcessor::CopyWStringFromBuffer();
    size_t url_separator_pos = cookie_data.find_first_of(L"|");
    std::wstring url = cookie_data.substr(0, url_separator_pos);
    std::wstring cookie = cookie_data.substr(url_separator_pos + 1);

    CComPtr<IUri> uri_pointer;
    HRESULT hr = ::CreateUri(url.c_str(), Uri_CREATE_ALLOW_RELATIVE, 0, &uri_pointer);
    CComBSTR scheme_bstr;
    uri_pointer->GetSchemeName(&scheme_bstr);
    CComBSTR host_bstr;
    uri_pointer->GetHost(&host_bstr);
    std::wstring parsed_uri = scheme_bstr;
    parsed_uri.append(L"://");
    parsed_uri.append(host_bstr);

    // Leverage the shared data buffer size to return the error code
    // back to the driver, if necessary.
    DWORD cookie_set = ::InternetSetCookieEx(parsed_uri.c_str(),
                                             NULL,
                                             cookie.c_str(),
                                             set_cookie_flags,
                                             NULL);
    if (cookie_set) {
      webdriver::HookProcessor::SetDataBufferSize(0);
    } else {
      DWORD error = ::GetLastError();
      webdriver::HookProcessor::SetDataBufferSize(error);
    }
  }
  return ::CallNextHookEx(NULL, nCode, wParam, lParam);
}

#ifdef __cplusplus
}
#endif

Output:
【漏洞类型】空指针引用
【严重性】中
【漏洞摘要】在`CookieManager.cpp`文件的`CookieWndProc`函数中，存在潜在的空指针引用漏洞。具体来说，在解析`INTERNETCOOKIE2`结构时，未对`pwszName`和`pwszValue`进行空指针检查。如果这些字段为空，程序将尝试访问空指针，导致运行时错误。
【关键代码模式】
- `INTERNETCOOKIE2`结构体的字段（如`pwszName`和`pwszValue`）的访问。
- 未对指针字段进行空指针检查的代码模式。
【修复方法说明】修复方法通过在访问`pwszName`和`pwszValue`之前添加空指针检查，来避免对空指针的访问。这确保了程序在处理这些字段时的安全性。


Instruction:
作为 Java 安全专家，检测此代码中的安全漏洞：
## 内容1
### 文件路径：
security-oauth2/src/main/java/io/micronaut/security/oauth2/client/IdTokenClaimsValidator.java
### 代码内容：
package io.micronaut.security.oauth2.client;

import io.micronaut.context.annotation.Requires;
import io.micronaut.core.annotation.NonNull;
import io.micronaut.core.annotation.Nullable;
import io.micronaut.core.util.StringUtils;
import io.micronaut.http.HttpRequest;
import io.micronaut.security.config.SecurityConfigurationProperties;
import io.micronaut.security.oauth2.configuration.OauthClientConfiguration;
import io.micronaut.security.oauth2.configuration.OpenIdClientConfiguration;
import io.micronaut.security.token.jwt.generator.claims.JwtClaims;
import io.micronaut.security.token.jwt.validator.GenericJwtClaimsValidator;
import io.micronaut.security.token.jwt.validator.JwtClaimsValidatorConfigurationProperties;
import jakarta.inject.Singleton;
import java.net.URL;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Optional;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * For {@link io.micronaut.security.authentication.AuthenticationMode#IDTOKEN} authentication mode performs the following verification as described in the OpenID Connect Spec.
 *
 * - The Issuer Identifier for the OpenID Provider (which is typically obtained during Discovery) MUST exactly match the value of the iss (issuer) Claim.
 * - The Client MUST validate that the aud (audience) Claim contains its client_id value registered at the Issuer identified by the iss (issuer) Claim as an audience. The aud (audience) Claim MAY contain an array with more than one element.
 * - If the ID Token contains multiple audiences, the Client SHOULD verify that an azp Claim is present.
 * - If an azp (authorized party) Claim is present, the Client SHOULD verify that its client_id is the Claim Value.
 *  * @see ID Token Validation
 *
 * @author Sergio del Amo
 * @since 2.2.0
 */
@Requires(property = SecurityConfigurationProperties.PREFIX + ".authentication", value = "idtoken")
@Requires(property = JwtClaimsValidatorConfigurationProperties.PREFIX + ".openid-idtoken", notEquals = StringUtils.FALSE)
@Singleton
public class IdTokenClaimsValidator implements GenericJwtClaimsValidator {
    protected static final Logger LOG = LoggerFactory.getLogger(IdTokenClaimsValidator.class);
    protected static final String AUTHORIZED_PARTY = "azp";

    protected final Collection<OauthClientConfiguration> oauthClientConfigurations;

    /**
     *
     * @param oauthClientConfigurations OpenId client configurations
     */
    public IdTokenClaimsValidator(Collection<OauthClientConfiguration> oauthClientConfigurations) {
        this.oauthClientConfigurations = oauthClientConfigurations;
    }

    @Override
    public boolean validate(@NonNull JwtClaims claims, @Nullable HttpRequest<?> request) {
        Optional<String> claimIssuerOptional = parseIssuerClaim(claims);
        if (!claimIssuerOptional.isPresent()) {
            return false;
        }
        String iss = claimIssuerOptional.get();

        Optional<List<String>> audiencesOptional = parseAudiences(claims);
        if (!audiencesOptional.isPresent()) {
            return false;
        }
        List<String> audiences = audiencesOptional.get();
        return validateIssuerAudienceAndAzp(claims, iss, audiences);
    }

    /**
     *
     * @param claims JWT Claims
     * @return the iss claim value wrapped in an {@link Optional}. If not found, an empty {@link Optional} is returned.
     */
    protected Optional<String> parseIssuerClaim(JwtClaims claims) {
        return parseClaimString(claims, JwtClaims.ISSUER);
    }

    /**
     *
     * @param claims JWT Claims
     * @param claimName Claim Name
     * @return the claim value wrapped in an {@link Optional}. If not found, an empty {@link Optional} is returned.
     */
    protected Optional<Object> parseClaim(JwtClaims claims, String claimName) {
        Object obj = claims.get(claimName);
        if (obj == null) {
            if (LOG.isTraceEnabled()) {
                LOG.trace("{} claim not present", claimName);
            }
            return Optional.empty();
        }
        return Optional.of(obj);
    }

    /**
     *
     * @param claims JWT Claims
     * @param claimName Claim Name
     * @return the claim value as a String wrapped in an {@link Optional}. If not found, an empty {@link Optional} is returned.
     */
    protected Optional<String> parseClaimString(JwtClaims claims, String claimName) {
        return parseClaim(claims, claimName).map(Object::toString);
    }

    /**
     *
     * @param claims JWT Claims
     * @param claimName Claim Name
     * @return the claim value as a list of Strings wrapped in an {@link Optional}. If not found, an empty {@link Optional} is returned.
     */
    protected Optional<List<String>> parseClaimList(JwtClaims claims, String claimName) {
        Optional<Object> objectOptional = parseClaim(claims, claimName);
        if (!objectOptional.isPresent()) {
            return Optional.empty();
        }
        Object obj = objectOptional.get();
        List<String> result = new ArrayList<>();
        if (obj instanceof List) {
            for (Object listObj : (List<?>) obj) {
                result.add(listObj.toString());
            }
        } else {
            result.add(obj.toString());
        }
        return Optional.of(result);
    }

    /**
     *
     * @param claims JWT Claims
     * @return the aud claim value a list of strings wrapped in an {@link Optional}. If not found, an empty {@link Optional} is returned.
     */
    protected Optional<List<String>> parseAudiences(JwtClaims claims) {
        return parseClaimList(claims, JwtClaims.AUDIENCE);
    }

    /**
     *
     * @param claims JWT Claims
     * @param iss Issuer claim
     * @param audiences aud claim as a list of string
     * @return true if an OAuth 2.0 client issuer matches the iss claim, any of the audiences in the aud claim matches the OAuth 2.0 client_id and for multiple audiencies the azp claim is present and matches OAuth 2.0 client_id
     */
    protected boolean validateIssuerAudienceAndAzp(@NonNull JwtClaims claims,
                                                   @NonNull String iss,
                                                   @NonNull List<String> audiences) {
        return oauthClientConfigurations.stream().anyMatch(oauthClientConfiguration -> validateIssuerAudienceAndAzp(claims, iss, audiences, oauthClientConfiguration));
    }

    /**
     *
     * @param claims JWT Claims
     * @param iss Issuer claim
     * @param audiences aud claim as a list of string
     * @param oauthClientConfiguration OAuth 2.0 client configuration
     * @return true if the OAuth 2.0 client OpenID issuer matches the iss claim, any of the audiences in the aud claim matches the OAuth 2.0 client_id and for multiple audiencies the azp claim is present and matches OAuth 2.0 client_id
     */
    protected boolean validateIssuerAudienceAndAzp(@NonNull JwtClaims claims,
                                                   @NonNull String iss,
                                                   @NonNull List<String> audiences,
                                                   @NonNull OauthClientConfiguration oauthClientConfiguration) {
        Optional<OpenIdClientConfiguration> openIdClientConfigurationOptional = oauthClientConfiguration.getOpenid();
        if (openIdClientConfigurationOptional.isPresent()) {
            OpenIdClientConfiguration openIdClientConfiguration = openIdClientConfigurationOptional.get();
            return validateIssuerAudienceAndAzp(claims, iss, audiences, oauthClientConfiguration.getClientId(), openIdClientConfiguration);
        }
        return false;
    }

    /**
     *
     * @param claims JWT Claims
     * @param iss Issuer claim
     * @param audiences aud claim as a list of string
     * @param clientId OAuth 2.0 client_id
     * @param openIdClientConfiguration OpenID OAuth 2.0 client configuration
     * @return true if the OAuth 2.0 client OpenID issuer matches the iss claim, any of the audiences in the aud claim matches the OAuth 2.0 client_id and for multiple audiencies the azp claim is present and matches OAuth 2.0 client_id
     */
    protected boolean validateIssuerAudienceAndAzp(@NonNull JwtClaims claims,
                                                   @NonNull String iss,
                                                   @NonNull List<String> audiences,
                                                   @NonNull String clientId,
                                                   @NonNull OpenIdClientConfiguration openIdClientConfiguration) {
        if (openIdClientConfiguration.getIssuer().isPresent()) {
            Optional<URL> issuerOptional = openIdClientConfiguration.getIssuer();
            if (issuerOptional.isPresent()) {
                String issuer = issuerOptional.get().toString();
                return issuer.equalsIgnoreCase(iss) ||
                        audiences.contains(clientId) &&
                                validateAzp(claims, clientId, audiences);
            }
        }
        return false;
    }

    /**
     *
     * @param claims JWT Claims
     * @return the azp claim value wrapped in an {@link Optional}. If not found, an empty {@link Optional} is returned.
     */
    protected Optional<String> parseAzpClaim(JwtClaims claims) {
        return parseClaimString(claims, AUTHORIZED_PARTY);
    }

    /**
     *
     * @param claims JWT Claims
     * @param clientId OAuth 2.0 client ID
     * @param audiences audiences specified in the JWT Claims
     * @return true for single audiences, for multiple audiences returns true azp claim is present and matches OAuth 2.0 client_id
     */
    protected boolean validateAzp(@NonNull JwtClaims claims,
                                  @NonNull String clientId,
                                  @NonNull List<String> audiences) {
        if (audiences.size() < 2) {
            if (LOG.isTraceEnabled()) {
                LOG.trace("{} claim is not required for single audiences", AUTHORIZED_PARTY);
            }
            return true;
        }
       Optional<String> azpOptional = parseAzpClaim(claims);
        if (!azpOptional.isPresent()) {
            return false;
        }
        String azp = azpOptional.get();
        boolean result = azp.equalsIgnoreCase(clientId);
        if (!result && LOG.isTraceEnabled()) {
            LOG.trace("{} claim does not match client id {}", AUTHORIZED_PARTY, clientId);
        }
        return result;
    }
}

Output:
【漏洞类型】逻辑漏洞
【严重性】Medium
【漏洞摘要】此代码在验证ID Token时，存在逻辑漏洞。具体表现为在validateIssuerAudienceAndAzp函数中，当iss（issuer）匹配且aud（audience）包含client_id时，逻辑使用了'||'（或）运算符，而不是'&&'（与）运算符。这意味着即使iss匹配但aud不包含client_id，只要validateAzp返回true，整个验证也会通过。这不符合OpenID Connect规范的要求，即客户端必须验证aud（audience）声明包含其注册的client_id值。根本原因是开发者在逻辑判断时使用了错误的运算符。
【关键代码模式】关键代码模式是使用'||'（或）运算符而不是'&&'（与）运算符来结合多个验证条件。
【修复方法说明】修复方法通过将'||'运算符更改为'&&'运算符来确保所有验证条件都必须满足。这符合OpenID Connect规范的要求，确保audience声明正确包含client_id。这展示了正确使用逻辑运算符的重要性。


Instruction:
作为 Java 安全专家，检测此代码中的安全漏洞：
## 内容1
### 文件路径：
subprojects/core/src/main/java/org/gradle/execution/plan/FinalizerGroup.java
### 代码内容：
package org.gradle.execution.plan;

import com.google.common.collect.ImmutableMap;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.Iterables;
import com.google.common.collect.SetMultimap;

import javax.annotation.Nullable;
import java.util.ArrayDeque;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashSet;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Set;
import java.util.function.Consumer;

/**
 * The set of nodes reachable from a particular finalizer node.
 */
public class FinalizerGroup extends HasFinalizers {
    private static final MemberSuccessors DO_NOT_BLOCK = new DoNotBlock();
    private final TaskNode node;
    private final NodeGroup delegate;
    private final Set<Node> members = new LinkedHashSet<>();
    @Nullable
    private OrdinalGroup ordinal;
    @Nullable
    private ElementSuccessors successors;
    private boolean finalizedNodeHasStarted;
    private boolean hasBeenScheduled;

    public FinalizerGroup(TaskNode node, NodeGroup delegate) {
        this.ordinal = delegate.asOrdinal();
        this.node = node;
        this.delegate = delegate;
    }

    @Override
    public String toString() {
        return "finalizer " + node + " ordinal: " + ordinal + ", delegate: " + delegate;
    }

    public TaskNode getNode() {
        return node;
    }

    @Override
    public NodeGroup getOrdinalGroup() {
        return delegate;
    }

    @Override
    public NodeGroup withOrdinalGroup(OrdinalGroup newOrdinal) {
        ordinal = newOrdinal;
        return this;
    }

    @Override
    public NodeGroup reachableFrom(OrdinalGroup newOrdinal) {
        ordinal = newOrdinal;
        return this;
    }

    public NodeGroup getDelegate() {
        return delegate;
    }

    /**
     * Returns a set of nodes that are finalized by this group. The returned set might contain the nodes belonging to this group.
     */
    public Set<Node> getFinalizedNodes() {
        return node.getFinalizingSuccessors();
    }

    @Nullable
    @Override
    public OrdinalGroup asOrdinal() {
        return ordinal;
    }

    @Override
    public boolean isReachableFromEntryPoint() {
        return delegate.isReachableFromEntryPoint();
    }

    @Nullable
    @Override
    public FinalizerGroup asFinalizer() {
        return this;
    }

    private static boolean memberCanStartAtAnyTime(Node node) {
        return node.getGroup().isReachableFromEntryPoint();
    }

    @Override
    public Set<FinalizerGroup> getFinalizerGroups() {
        return ImmutableSet.of(this);
    }

    @Override
    public void addMember(Node node) {
        assert successors == null;
        members.add(node);
        delegate.addMember(node);
    }

    @Override
    public void removeMember(Node node) {
        assert successors == null;
        members.remove(node);
        delegate.removeMember(node);
    }

    public void visitAllMembers(Consumer<Node> visitor) {
        for (Node member : members) {
            visitor.accept(member);
        }
    }

    @Override
    public boolean isCanCancel() {
        if (!isCanCancel(Collections.singletonList(this))) {
            return false;
        } else {
            return delegate.isCanCancel();
        }
    }

    public boolean isCanCancelSelf() {
        if (node.allDependenciesComplete() && !node.allDependenciesSuccessful()) {
            // Finalizer won't run, so there's no point running its dependencies
            return true;
        }
        // Don't cancel if any finalized node has started
        return !finalizedNodeHasStarted;
    }

    @Override
    public void onNodeStart(Node finalizer, Node node) {
        if (isFinalizerNode(finalizer) && !finalizedNodeHasStarted && getFinalizedNodes().contains(node)) {
            finalizedNodeHasStarted = true;
        }
    }

    public void scheduleMembers(SetMultimap<FinalizerGroup, FinalizerGroup> reachableGroups) {
        if (hasBeenScheduled) {
            return;
        } else {
            hasBeenScheduled = true;
        }

        Set<Node> finalizedNodesToBlockOn = findFinalizedNodesThatDoNotIntroduceACycle(reachableGroups);
        WaitForNodesToComplete waitForFinalizers = new WaitForNodesToComplete(finalizedNodesToBlockOn);

        // Determine the finalized nodes that are also members. These may need to block waiting for other finalized nodes to complete
        Set<Node> blockedFinalizedMembers = new HashSet<>(getFinalizedNodes());
        blockedFinalizedMembers.removeAll(finalizedNodesToBlockOn);
        blockedFinalizedMembers.retainAll(members);

        if (blockedFinalizedMembers.isEmpty()) {
            // When there are no members that are also finalized, then all members are blocked by the finalizer nodes that don't introduce a cycle
            successors = node -> waitForFinalizers;
            return;
        }

        // There are some finalized nodes that are also members
        // For each member, determine which finalized nodes to wait for
        ImmutableMap.Builder<Node, MemberSuccessors> blockingNodesBuilder = ImmutableMap.builder();

        // Calculate the set of dependencies of finalized nodes that are also members of this group
        Set<Node> dependenciesThatAreMembers = getDependenciesThatAreMembers(blockedFinalizedMembers);

        for (Node member : members) {
            if (isFinalizerNode(member) || memberCanStartAtAnyTime(member)) {
                // Short-circuit for these, they are handled separately
                continue;
            }
            if (blockedFinalizedMembers.contains(member)) {
                if (!finalizedNodesToBlockOn.isEmpty()) {
                    // This member is finalized and there are some finalized nodes that are not members. Wait for those nodes
                    blockingNodesBuilder.put(member, waitForFinalizers);
                } else {
                    // All finalized nodes are also members. Block until some other finalized node is started
                    blockingNodesBuilder.put(member, new WaitForFinalizedNodesToBecomeActive(Collections.singleton(member)));
                }
            } else {
                if (dependenciesThatAreMembers.contains(member)) {
                    // This member is a dependency of a finalized member. Treat is as if it were a finalized member.
                    blockingNodesBuilder.put(member, waitForFinalizers);
                } else {
                    // Wait for the finalized nodes that don't introduce a cycle
                    Set<Node> blockOn = new LinkedHashSet<>(finalizedNodesToBlockOn);
                    blockOn.addAll(blockedFinalizedMembers);
                    blockingNodesBuilder.put(member, new WaitForNodesToComplete(blockOn));
                }
            }
        }
        ImmutableMap<Node, MemberSuccessors> blockingNodes = blockingNodesBuilder.build();
        successors = blockingNodes::get;
    }

    private Set<Node> findFinalizedNodesThatDoNotIntroduceACycle(SetMultimap<FinalizerGroup, FinalizerGroup> reachableGroups) {
        // The members of this group have an implicit dependency on each finalized node of this group.
        // When a finalizer node is a member of some other group, then it in turn has an implicit dependency on the finalized nodes of that group.
        // This can introduce a cycle. So, determine all the groups reachable from the finalizers of this group via these relationships
        // and check for cycles
        Set<Node> nodesWithNoCycle = new HashSet<>(getFinalizedNodes().size());
        for (Node finalizedNode : getFinalizedNodes()) {
            if (!hasACycle(finalizedNode, reachableGroups)) {
                nodesWithNoCycle.add(finalizedNode);
            }
        }
        return nodesWithNoCycle;
    }

    @Override
    public Node.DependenciesState checkSuccessorsCompleteFor(Node node) {
        MemberSuccessors waitingFor = getNodesThatBlock(node);
        Node.DependenciesState state = waitingFor.successorsComplete();
        if (state != null) {
            return state;
        }

        // All relevant finalized nodes have completed but none have executed
        // Can run the finalized node is reachable from an entry point
        if (delegate.isReachableFromEntryPoint()) {
            return Node.DependenciesState.COMPLETE_AND_SUCCESSFUL;
        }

        // All finalized nodes are complete but none executed
        if (delegate instanceof HasFinalizers) {
            // Wait for upstream finalizers
            return delegate.checkSuccessorsCompleteFor(node);
        } else {
            // Can skip execution
            return Node.DependenciesState.COMPLETE_AND_CAN_SKIP;
        }
    }

    private MemberSuccessors getNodesThatBlock(Node node) {
        if (isFinalizerNode(node)) {
            return new WaitForNodesToComplete(getFinalizedNodes());
        }
        if (memberCanStartAtAnyTime(node)) {
            return DO_NOT_BLOCK;
        }
        return successors.getNodesThatBlock(node);
    }

    private Set<Node> getDependenciesThatAreMembers(Set<Node> blockedFinalizedMembers) {
        Set<Node> dependenciesThatAreMembers = new HashSet<>(members.size());
        Set<Node> seen = new HashSet<>(1024);

        ArrayDeque<Node> queue = new ArrayDeque<>(1024);
        for (Node fromNode : blockedFinalizedMembers) {
            queue.add(fromNode);
            while (!queue.isEmpty()) {
                Node toNode = queue.removeFirst();
                if (members.contains(toNode) && !blockedFinalizedMembers.contains(toNode)) {
                    dependenciesThatAreMembers.add(toNode);
                }
                toNode.visitHardSuccessors(node -> {
                    if (seen.add(node)) {
                        queue.add(node);
                    }
                });
            }
        }
        return dependenciesThatAreMembers;
    }

    private boolean hasACycle(Node finalized, SetMultimap<FinalizerGroup, FinalizerGroup> reachableGroups) {
        if (!(finalized.getGroup() instanceof HasFinalizers) || finalized.getGroup().isReachableFromEntryPoint()) {
            // Is not a member of a finalizer group or will not be blocked
            return false;
        }
        HasFinalizers groups = (HasFinalizers) finalized.getGroup();
        for (FinalizerGroup finalizerGroup : groups.getFinalizerGroups()) {
            if (reachableGroups(finalizerGroup, reachableGroups).contains(this)) {
                return true;
            }
        }
        return false;
    }

    private Set<FinalizerGroup> reachableGroups(FinalizerGroup fromGroup, SetMultimap<FinalizerGroup, FinalizerGroup> reachableGroups) {
        if (!reachableGroups.containsKey(fromGroup)) {
            Set<Node> seen = new HashSet<>();
            List<Node> queue = new ArrayList<>(fromGroup.getFinalizedNodes());
            while (!queue.isEmpty()) {
                Node node = queue.remove(0);
                if (!seen.add(node)) {
                    continue;
                }
                if (node.getGroup().isReachableFromEntryPoint()) {
                    continue;
                }
                if (node.getGroup() instanceof HasFinalizers) {
                    HasFinalizers groups = (HasFinalizers) node.getGroup();
                    for (FinalizerGroup finalizerGroup : groups.getFinalizerGroups()) {
                        reachableGroups.put(fromGroup, finalizerGroup);
                        queue.addAll(finalizerGroup.getFinalizedNodes());
                    }
                }
                Iterables.addAll(queue, node.getHardSuccessors());
            }
        }
        return reachableGroups.get(fromGroup);
    }

    private boolean isFinalizerNode(Node node) {
        return node == this.node;
    }

    private interface ElementSuccessors {
        MemberSuccessors getNodesThatBlock(Node node);
    }

    private interface MemberSuccessors {
        /**
         * @return null when all successors have completed but none have executed
         */
        @Nullable
        Node.DependenciesState successorsComplete();
    }

    private static class DoNotBlock implements MemberSuccessors {
        @Override
        public Node.DependenciesState successorsComplete() {
            return Node.DependenciesState.COMPLETE_AND_SUCCESSFUL;
        }
    }

    private static class WaitForNodesToComplete implements MemberSuccessors {
        private final Set<Node> nodes;

        public WaitForNodesToComplete(Set<Node> nodes) {
            this.nodes = nodes;
        }

        @Nullable
        @Override
        public Node.DependenciesState successorsComplete() {
            boolean isAnyExecuted = false;
            for (Node node : nodes) {
                if (!node.isComplete()) {
                    return Node.DependenciesState.NOT_COMPLETE;
                }
                isAnyExecuted |= node.isExecuted();
            }
            // All relevant finalized nodes have completed
            if (isAnyExecuted) {
                return Node.DependenciesState.COMPLETE_AND_SUCCESSFUL;
            }
            return null;
        }
    }

    private static class WaitForFinalizedNodesToBecomeActive implements MemberSuccessors {
        private final Set<Node> nodes;

        public WaitForFinalizedNodesToBecomeActive(Set<Node> nodes) {
            this.nodes = nodes;
        }

        @Nullable
        @Override
        public Node.DependenciesState successorsComplete() {
            for (Node node : nodes) {
                for (FinalizerGroup finalizerGroup : ((HasFinalizers) node.getGroup()).getFinalizerGroups()) {
                    if (finalizerGroup.finalizedNodeHasStarted) {
                        return Node.DependenciesState.COMPLETE_AND_SUCCESSFUL;
                    }
                }
            }
            return Node.DependenciesState.NOT_COMPLETE;
        }
    }
}

## 内容2
### 文件路径：
subprojects/core/src/main/java/org/gradle/execution/plan/Node.java
### 代码内容：
package org.gradle.execution.plan;

import com.google.common.annotations.VisibleForTesting;
import org.gradle.api.Action;
import org.gradle.api.internal.project.ProjectInternal;
import org.gradle.api.tasks.VerificationException;
import org.gradle.execution.plan.edges.DependencyNodesSet;
import org.gradle.execution.plan.edges.DependentNodesSet;
import org.gradle.internal.resources.ResourceLock;

import javax.annotation.Nullable;
import javax.annotation.OverridingMethodsMustInvokeSuper;
import java.util.Collections;
import java.util.List;
import java.util.Set;
import java.util.SortedSet;
import java.util.function.Consumer;

/**
 * A node in the execution graph that represents some executable code with potential dependencies on other nodes.
 */
public abstract class Node {
    @VisibleForTesting
    enum ExecutionState {
        // Node is not scheduled to run in any plan
        // Nodes may be moved back into this state when the execution plan is cancelled or aborted due to a failure
        NOT_SCHEDULED,
        // Node has been scheduled in an execution plan and should run if possible (depending on failures in other nodes)
        SHOULD_RUN,
        // Node is currently executing
        EXECUTING,
        // Node has been executed, and possibly failed, in an execution plan (not necessarily the current)
        EXECUTED,
        // Node cannot be executed because of a failed dependency
        FAILED_DEPENDENCY
    }

    public enum DependenciesState {
        // Still waiting for dependencies to complete
        NOT_COMPLETE,
        // All dependencies complete, can run this node
        COMPLETE_AND_SUCCESSFUL,
        // All dependencies complete, but cannot run this node due to failure
        COMPLETE_AND_NOT_SUCCESSFUL,
        // All dependencies complete, but this node does not need to run
        COMPLETE_AND_CAN_SKIP
    }

    private ExecutionState state = ExecutionState.NOT_SCHEDULED;
    private boolean dependenciesProcessed;
    private DependenciesState dependenciesState = DependenciesState.NOT_COMPLETE;
    private Throwable executionFailure;
    private boolean filtered;
    private int index;
    private DependencyNodesSet dependencyNodes = DependencyNodesSet.EMPTY;
    private DependentNodesSet dependentNodes = DependentNodesSet.EMPTY;
    private final MutationInfo mutationInfo = new MutationInfo();
    private NodeGroup group = NodeGroup.DEFAULT_GROUP;

    @VisibleForTesting
    ExecutionState getState() {
        return state;
    }

    String healthDiagnostics() {
        if (isComplete()) {
            return this + " (state=" + state + ")";
        } else {
            StringBuilder specificState = new StringBuilder();
            dependencyNodes.healthDiagnostics(specificState);
            nodeSpecificHealthDiagnostics(specificState);
            return this + " (state=" + state
                + ", dependencies=" + dependenciesState
                + ", group=" + group
                + ", " + specificState + " )";
        }
    }

    public static String formatNodes(Iterable<? extends Node> nodes) {
        StringBuilder builder = new StringBuilder();
        builder.append('[');
        boolean first = true;
        for (Node node : nodes) {
            if (first) {
                first = false;
            } else {
                builder.append(", ");
            }
            builder.append(node);
            if (node.isComplete()) {
                builder.append(" (complete)");
            }
        }
        builder.append(']');
        return builder.toString();
    }

    protected void nodeSpecificHealthDiagnostics(StringBuilder builder) {
    }

    public NodeGroup getGroup() {
        return group;
    }

    public void setGroup(NodeGroup group) {
        if (this.group != group) {
            this.group.removeMember(this);
            this.group = group;
            this.group.addMember(this);
        }
    }

    @Nullable
    public OrdinalGroup getOrdinal() {
        return group.asOrdinal();
    }

    /**
     * Potentially update the ordinal group of this node when it is reachable from the given group.
     */
    public void maybeInheritOrdinalAsDependency(@Nullable OrdinalGroup candidateOrdinal) {
        if (group == candidateOrdinal || candidateOrdinal == null) {
            // Ignore candidate groups that have no ordinal value
            return;
        }
        OrdinalGroup currentOrdinal = group.asOrdinal();
        if (currentOrdinal == null || candidateOrdinal.getOrdinal() < currentOrdinal.getOrdinal()) {
            // Currently has no ordinal value or candidate has a smaller ordinal value - merge the candidate into the current group
            setGroup(group.reachableFrom(candidateOrdinal));
        }
    }

    /**
     * Maybe update the group for this node when it is a dependency of one or more finalizers.
     *
     *
When this method is called, the group of each node that depends on this node has been updated.

     */
    public void maybeInheritFinalizerGroups() {
        NodeGroup newGroup = group;
        for (Node predecessor : getDependencyPredecessors()) {
            if (predecessor.getGroup() instanceof HasFinalizers) {
                newGroup = maybeInheritGroupAsFinalizerDependency((HasFinalizers) predecessor.getGroup(), newGroup);
            }
        }
        if (newGroup != group) {
            setGroup(newGroup);
        }
    }

    private static HasFinalizers maybeInheritGroupAsFinalizerDependency(HasFinalizers finalizers, NodeGroup current) {
        if (current == finalizers || current == NodeGroup.DEFAULT_GROUP) {
            return finalizers;
        }
        if (current instanceof OrdinalGroup) {
            return CompositeNodeGroup.mergeInto((OrdinalGroup) current, finalizers);
        } else {
            return CompositeNodeGroup.mergeInto((HasFinalizers) current, finalizers);
        }
    }

    public void maybeUpdateOrdinalGroup() {
        OrdinalGroup ordinal = getGroup().asOrdinal();
        OrdinalGroup newOrdinal = ordinal;
        for (Node successor : getHardSuccessors()) {
            OrdinalGroup successorOrdinal = successor.getGroup().asOrdinal();
            if (successorOrdinal != null && (ordinal == null || successorOrdinal.getOrdinal() > ordinal.getOrdinal())) {
                newOrdinal = successorOrdinal;
            }
        }
        if (newOrdinal != ordinal) {
            setGroup(getGroup().withOrdinalGroup(newOrdinal));
        }
    }

    @Nullable
    public FinalizerGroup getFinalizerGroup() {
        return group.asFinalizer();
    }

    public boolean isRequired() {
        return state == ExecutionState.SHOULD_RUN;
    }

    public boolean isDoNotIncludeInPlan() {
        return filtered || state == ExecutionState.NOT_SCHEDULED || isCannotRunInAnyPlan();
    }

    public boolean isCannotRunInAnyPlan() {
        return state == ExecutionState.EXECUTED || state == ExecutionState.FAILED_DEPENDENCY;
    }

    /**
     * Is this node ready to execute? Note: does not consider the dependencies of the node.
     */
    public boolean isReady() {
        return state == ExecutionState.SHOULD_RUN;
    }

    public boolean isCanCancel() {
        return group.isCanCancel();
    }

    public boolean isInKnownState() {
        return state != ExecutionState.NOT_SCHEDULED;
    }

    public boolean isExecuting() {
        return state == ExecutionState.EXECUTING;
    }

    /**
     * Is it possible for this node to run in the current plan? Returns {@code true} if this node definitely will not run, {@code false} if it is still possible for the node to run.
     *
     *
A node may be complete for several reasons, for example:

     *

     *
when its actions have been executed, or when its outputs have been considered up-to-date or loaded from the build cache

     *
when it cannot run due to a failure in a dependency

     *
when it is cancelled due to a failure in some other node and not running with --continue

     *
when it is a finalizer of tasks that have all completed but did not run

     *

     */
    public boolean isComplete() {
        return state == ExecutionState.EXECUTED
            || state == ExecutionState.FAILED_DEPENDENCY
            || state == ExecutionState.NOT_SCHEDULED
            || filtered;
    }

    public boolean isSuccessful() {
        return filtered || (state == ExecutionState.EXECUTED && !isFailed());
    }

    /**
     * Whether this node failed with a verification failure.
     *
     * @return true if failed and threw {@link VerificationException}, false otherwise
     */
    public boolean isVerificationFailure() {
        return getNodeFailure() != null && getNodeFailure().getCause() instanceof VerificationException;
    }

    public boolean isFailed() {
        return getNodeFailure() != null || getExecutionFailure() != null;
    }

    public boolean isExecuted() {
        return state == ExecutionState.EXECUTED;
    }

    /**
     * Returns true when this node should be executed as soon as its dependencies are ready, rather than at its default point in
     * the execution plan. Does not affect the dependencies of this node.
     *
     *
Use sparingly, and only for fast work that requires access to some project or other resource.

     */
    public boolean isPriority() {
        return false;
    }

    /**
     * Returns any error that happened during the execution of the node itself,
     * i.e. a task action has thrown an exception.
     */
    @Nullable
    public abstract Throwable getNodeFailure();

    public void startExecution(Consumer<Node> nodeStartAction) {
        assert state == ExecutionState.SHOULD_RUN && allDependenciesComplete() && allDependenciesSuccessful();
        state = ExecutionState.EXECUTING;
        Set<Node> finalizers = getFinalizers();
        if (!finalizers.isEmpty()) {
            for (Node finalizer : finalizers) {
                finalizer.getGroup().onNodeStart(finalizer, this);
            }
        }
        nodeStartAction.accept(this);
    }

    public void finishExecution(Consumer<Node> completionAction) {
        assert state == ExecutionState.EXECUTING;
        state = ExecutionState.EXECUTED;
        completionAction.accept(this);
    }

    public void markFailedDueToDependencies(Consumer<Node> completionAction) {
        assert state == ExecutionState.SHOULD_RUN;
        state = ExecutionState.FAILED_DEPENDENCY;
        completionAction.accept(this);
    }

    public void cancelExecution(Consumer<Node> completionAction) {
        if (state != ExecutionState.SHOULD_RUN && state != ExecutionState.NOT_SCHEDULED) {
            throw new IllegalStateException("Cannot cancel node " + this);
        }
        state = ExecutionState.NOT_SCHEDULED;
        completionAction.accept(this);
    }

    public void require() {
        if (isCannotRunInAnyPlan()) {
            return;
        }
        if (state != ExecutionState.SHOULD_RUN) {
            // When the state changes to `SHOULD_RUN`, the dependencies need to be reprocessed since they also may be required now.
            dependenciesProcessed = false;
            state = ExecutionState.SHOULD_RUN;
        }
    }

    public int getIndex() {
        return index;
    }

    public void setIndex(int index) {
        this.index = index;
    }

    /**
     * Mark this node as filtered from the current plan. The node will be considered complete and successful.
     */
    public void filtered() {
        if (isCannotRunInAnyPlan()) {
            return;
        }
        filtered = true;
    }

    /**
     * Discards any plan specific state for this node, so that it can potentially be added to another execution plan.
     */
    public void reset() {
        group = NodeGroup.DEFAULT_GROUP;
        index = 0;
        if (!isCannotRunInAnyPlan()) {
            filtered = false;
            dependenciesProcessed = false;
            state = ExecutionState.NOT_SCHEDULED;
            dependenciesState = DependenciesState.NOT_COMPLETE;
        }
    }

    public void setExecutionFailure(Throwable failure) {
        assert state == ExecutionState.EXECUTING;
        this.executionFailure = failure;
    }

    /**
     * Returns any error that happened in the execution engine while processing this node,
     * i.e. there was a {@link NullPointerException} in the {@link ExecutionPlan} code.
     * Always leads to the abortion of the build.
     */
    @Nullable
    public Throwable getExecutionFailure() {
        return this.executionFailure;
    }

    public SortedSet<Node> getDependencyPredecessors() {
        return dependentNodes.getDependencyPredecessors();
    }

    public Set<Node> getDependencySuccessors() {
        return dependencyNodes.getDependencySuccessors();
    }

    public void addDependencySuccessor(Node toNode) {
        dependencyNodes = dependencyNodes.addDependency(toNode);
        toNode.addDependencyPredecessor(this);
    }

    void addDependencyPredecessor(Node fromNode) {
        dependentNodes = dependentNodes.addDependencyPredecessors(fromNode);
        mutationInfo.addConsumer(fromNode);
    }

    void addMustPredecessor(TaskNode fromNode) {
        dependentNodes = dependentNodes.addMustPredecessor(fromNode);
    }

    protected DependencyNodesSet getDependencyNodes() {
        return dependencyNodes;
    }

    protected void updateDependencyNodes(DependencyNodesSet newDependencies) {
        dependencyNodes = newDependencies;
    }

    /**
     * Called when a node that this node may be waiting for has completed.
     */
    public void onNodeComplete(Node node) {
        dependencyNodes.onNodeComplete(this, node);
        updateAllDependenciesComplete();
    }

    @OverridingMethodsMustInvokeSuper
    protected DependenciesState doCheckDependenciesComplete() {
        DependenciesState state = dependencyNodes.getState(this);
        if (state == DependenciesState.NOT_COMPLETE || state == DependenciesState.COMPLETE_AND_NOT_SUCCESSFUL) {
            return state;
        }

        // All dependencies are complete and successful, delegate to the group
        return group.checkSuccessorsCompleteFor(this);
    }

    /**
     * Returns if all dependencies completed, but have not been completed in the last check.
     */
    public void updateAllDependenciesComplete() {
        if (dependenciesState == DependenciesState.NOT_COMPLETE) {
            forceAllDependenciesCompleteUpdate();
        }
    }

    public void forceAllDependenciesCompleteUpdate() {
        dependenciesState = doCheckDependenciesComplete();
    }

    /**
     * Is this node ready to execute or discard (eg because a dependency has failed)?
     */
    public boolean allDependenciesComplete() {
        return state == ExecutionState.SHOULD_RUN && dependenciesState != DependenciesState.NOT_COMPLETE;
    }

    /**
     * Can this node execute or should it be discarded? Should only be called when {@link #allDependenciesComplete()} returns true.
     */
    public boolean allDependenciesSuccessful() {
        return dependenciesState == DependenciesState.COMPLETE_AND_SUCCESSFUL;
    }

    /**
     * Should this node be cancelled or marked as failed? Should only be called when {@link #allDependenciesSuccessful()} returns false.
     */
    public boolean shouldCancelExecutionDueToDependencies() {
        return dependenciesState == DependenciesState.COMPLETE_AND_CAN_SKIP;
    }

    /**
     * This {@link Node} may continue execution if the successor Node was successful, or if non-successful when two specific criteria are met:
     *

     *
The successor node failure is a "verification failure"

     *
The relationship to the successor Node is via task output/task input wiring, not an explicit dependsOn relationship (which are discouraged)

     *

     *
     * @param dependency a successor node in the execution plan
     * @return true if the successor task was successful, or failed but a "recoverable" verification failure and this Node may continue execution; false otherwise
     * @see gradle/gradle#18912
     */
    public boolean shouldContinueExecution(Node dependency) {
        return dependency.isSuccessful() || (dependency.isVerificationFailure() && !dependsOnOutcome(dependency));
    }

    /**
     * Can be overridden to indicate the relationship between this {@link Node} and a successor Node.
     *
     * @param dependency a non-successful successor node in the execution plan
     * @return Always returns false unless overridden.
     */
    protected boolean dependsOnOutcome(Node dependency) {
        return false;
    }

    /**
     * Visits all nodes whose {@link #allDependenciesComplete()} state depends in some way on the completion of this node.
     * Should visit the nodes in a deterministic order, but the order can be whatever best makes sense for the node implementation.
     */
    protected void visitAllNodesWaitingForThisNode(Consumer<Node> visitor) {
        dependentNodes.visitAllNodes(visitor);
    }

    /**
     * Called prior to attempting to schedule a node.
     */
    public void prepareForScheduling() {
        ExecutionState initialState = getInitialState();
        if (initialState != null) {
            state = initialState;
        }
    }

    @Nullable
    protected Node.ExecutionState getInitialState() {
        return null;
    }

    /**
     * Called when the graph containing this node is about to start execution.
     *
     * @param monitor An action that should be called when this node is ready to execute, when the dependencies for this node are executed outside
     * the work graph that contains this node (for example, when the node represents a task in an included build).
     */
    public void prepareForExecution(Action<Node> monitor) {
    }

    public abstract void resolveDependencies(TaskDependencyResolver dependencyResolver);

    public boolean getDependenciesProcessed() {
        return dependenciesProcessed;
    }

    public void dependenciesProcessed() {
        dependenciesProcessed = true;
    }

    @OverridingMethodsMustInvokeSuper
    public Iterable<Node> getAllSuccessors() {
        return getHardSuccessors();
    }

    /**
     * Returns all the nodes which are hard successors, i.e. which have a non-removable relationship to the current node.
     *
     * For example, for tasks `shouldRunAfter` isn't a hard successor while `mustRunAfter` is.
     */
    @OverridingMethodsMustInvokeSuper
    public Iterable<Node> getHardSuccessors() {
        return dependencyNodes.getDependencySuccessors();
    }

    /**
     * Iterates over the nodes which are hard successors applying a visitor, i.e. which have a non-removable relationship to the current node.
     *
     * This can be a more efficient way to iterate over the successors than {@link #getHardSuccessors()}.
     */
    @OverridingMethodsMustInvokeSuper
    public void visitHardSuccessors(Consumer<? super Node> visitor) {
        dependencyNodes.getDependencySuccessors().forEach(visitor);
    }

    public SortedSet<Node> getFinalizers() {
        return dependentNodes.getFinalizers();
    }

    public void addFinalizer(Node finalizer) {
        dependentNodes = dependentNodes.addFinalizer(finalizer);
    }

    public Set<Node> getFinalizingSuccessors() {
        return Collections.emptySet();
    }

    /**
     * Visits the "pre-execution" nodes of this node. These nodes should be treated as though they are dependencies of this node.
     * This method is called when this node is ready to execute and its other dependencies are complete,
     * allowing some dependencies of this node to be defined dynamically.
     *
     *
Note: there is currently no cycle detection applied to these dynamically added nodes or their dependencies.
     * Support for this is not implemented yet and will be added later.
     */
    public void visitPreExecutionNodes(Consumer<? super Node> visitor) {
    }

    public boolean hasPendingPreExecutionNodes() {
        return false;
    }

    /**
     * Visits the "post-execution" nodes of this node. These nodes should be treated as though they also produce the outputs or
     * results of this node. That is, all nodes that depend on this node should also depend on these nodes. This method is called when
     * this node has executed successfully and before any of its dependents are started, allowing some work of this node to be dynamically split
     * up into other nodes that can run in parallel or with different resource requirements.
     *
     *
Note: there is currently no cycle detection applied to these dynamically added nodes or their dependencies.
     * Support for this is not implemented yet and will be added later.
     *
     *
Note: mustRunAfter or finalizedBy relationship on this node is not honored for these dynamically added nodes or their dependencies.
     * Support for this is not implemented yet and will be added later.
     */
    public void visitPostExecutionNodes(Consumer<? super Node> visitor) {
    }

    public MutationInfo getMutationInfo() {
        return mutationInfo;
    }

    public boolean isPublicNode() {
        return false;
    }

    /**
     * Returns the project state that this node requires mutable access to, if any.
     */
    @Nullable
    public ResourceLock getProjectToLock() {
        return null;
    }

    /**
     * Returns the project which this node belongs to, and requires access to the execution services of.
     * Returning non-null does not imply that the project must be locked when this node executes. Use {@link #getProjectToLock()} instead for that.
     *
     * TODO - this should return some kind of abstract 'action context' instead of a mutable project.
     */
    @Nullable
    public ProjectInternal getOwningProject() {
        return null;
    }

    /**
     * Returns the resources which should be locked before starting this node.
     */
    public List<? extends ResourceLock> getResourcesToLock() {
        return Collections.emptyList();
    }

    @Override
    public abstract String toString();

}

## 内容3
### 文件路径：
subprojects/core/src/main/java/org/gradle/execution/plan/TaskNode.java
### 代码内容：
package org.gradle.execution.plan;

import com.google.common.collect.Iterables;
import org.gradle.api.internal.TaskInternal;
import org.gradle.internal.deprecation.DeprecationLogger;

import java.util.NavigableSet;
import java.util.Set;
import java.util.function.Consumer;

import static org.gradle.execution.plan.NodeSets.newSortedNodeSet;

public abstract class TaskNode extends Node {
    private final NavigableSet<Node> shouldSuccessors = newSortedNodeSet();
    private final NavigableSet<Node> finalizingSuccessors = newSortedNodeSet();

    @Override
    protected void nodeSpecificHealthDiagnostics(StringBuilder builder) {
        if (!finalizingSuccessors.isEmpty()) {
            builder.append(", finalizes=").append(formatNodes(finalizingSuccessors));
        }
    }

    public Set<Node> getMustSuccessors() {
        return getDependencyNodes().getMustSuccessors();
    }

    public abstract Set<Node> getLifecycleSuccessors();

    public abstract void setLifecycleSuccessors(Set<Node> successors);

    @Override
    public Set<Node> getFinalizingSuccessors() {
        return finalizingSuccessors;
    }

    public Set<Node> getShouldSuccessors() {
        return shouldSuccessors;
    }

    public void addMustSuccessor(Node toNode) {
        deprecateLifecycleHookReferencingNonLocalTask("mustRunAfter", toNode);
        updateDependencyNodes(getDependencyNodes().addMustSuccessor(toNode));
        toNode.addMustPredecessor(this);
    }

    public void addFinalizingSuccessor(Node finalized) {
        finalizingSuccessors.add(finalized);
        finalized.addFinalizer(this);
    }

    public void addShouldSuccessor(Node toNode) {
        deprecateLifecycleHookReferencingNonLocalTask("shouldRunAfter", toNode);
        shouldSuccessors.add(toNode);
    }

    public void removeShouldSuccessor(TaskNode toNode) {
        shouldSuccessors.remove(toNode);
    }

    @Override
    public Iterable<Node> getAllSuccessors() {
        return Iterables.concat(
            shouldSuccessors,
            finalizingSuccessors,
            getMustSuccessors(),
            super.getAllSuccessors()
        );
    }

    @Override
    public Iterable<Node> getHardSuccessors() {
        return Iterables.concat(
            finalizingSuccessors,
            getMustSuccessors(),
            super.getHardSuccessors()
        );
    }

    @Override
    public void visitHardSuccessors(Consumer<? super Node> visitor) {
        finalizingSuccessors.forEach(visitor);
        getMustSuccessors().forEach(visitor);
        super.visitHardSuccessors(visitor);
    }

    public abstract TaskInternal getTask();

    protected void deprecateLifecycleHookReferencingNonLocalTask(String hookName, Node taskNode) {
        if (taskNode instanceof TaskInAnotherBuild) {
            DeprecationLogger.deprecateAction("Using " + hookName + " to reference tasks from another build")
                .willBecomeAnErrorInGradle8()
                .withUpgradeGuideSection(6, "referencing_tasks_from_included_builds")
                .nagUser();
        }
    }

    @Override
    public void maybeInheritFinalizerGroups() {
        super.maybeInheritFinalizerGroups();
        if (!getFinalizingSuccessors().isEmpty()) {
            // This node is a finalizer, decorate the current group to add finalizer behaviour
            NodeGroup oldGroup = getGroup();
            FinalizerGroup finalizerGroup = new FinalizerGroup(this, oldGroup);
            setGroup(finalizerGroup);
        }
    }
}

## 内容4
### 文件路径：
subprojects/process-services/src/main/java/org/gradle/process/internal/health/memory/CGroupMemoryInfo.java
### 代码内容：
package org.gradle.process.internal.health.memory;

import com.google.common.annotations.VisibleForTesting;
import com.google.common.io.Files;

import java.io.File;
import java.io.IOException;
import java.nio.charset.Charset;

public class CGroupMemoryInfo implements OsMemoryInfo {
    private static final String CGROUP_MEM_USAGE_FILE = "/sys/fs/cgroup/memory/memory.usage_in_bytes";
    private static final String CGROUP_MEM_TOTAL_FILE = "/sys/fs/cgroup/memory/memory.limit_in_bytes";

    @Override
    public OsMemoryStatus getOsSnapshot() {
        String memUsageString = readStringFromFile(new File(CGROUP_MEM_USAGE_FILE));
        String memTotalString = readStringFromFile(new File(CGROUP_MEM_TOTAL_FILE));

        return getOsSnapshotFromCgroup(memUsageString, memTotalString);
    }

    private String readStringFromFile(File file) {
        try {
            return Files.asCharSource(file, Charset.defaultCharset()).readFirstLine();
        } catch (IOException e) {
            throw new UnsupportedOperationException("Unable to read system memory from " + file.getAbsoluteFile(), e);
        }
    }

    @VisibleForTesting
    OsMemoryStatusSnapshot getOsSnapshotFromCgroup(String memUsageString, String memTotalString) {
        long memUsage;
        long memTotal;
        long memAvailable;

        try {
            memUsage = Long.parseLong(memUsageString);
            memTotal = Long.parseLong(memTotalString);
            memAvailable = Math.max(0, memTotal - memUsage);
        } catch (NumberFormatException e) {
            throw new UnsupportedOperationException("Unable to read system memory", e);
        }

        return new OsMemoryStatusSnapshot(memTotal, memAvailable);
    }
}

## 内容5
### 文件路径：
subprojects/process-services/src/main/java/org/gradle/process/internal/health/memory/DefaultOsMemoryInfo.java
### 代码内容：
package org.gradle.process.internal.health.memory;

import org.gradle.internal.os.OperatingSystem;

public class DefaultOsMemoryInfo implements OsMemoryInfo {
    private final OsMemoryInfo delegate;

    public DefaultOsMemoryInfo() {
        OperatingSystem operatingSystem = OperatingSystem.current();
        if (operatingSystem.isMacOsX()) {
            delegate = new NativeOsMemoryInfo();
        } else if (operatingSystem.isLinux()) {
            delegate = getLinuxDelegate();
        } else {
            delegate = new MBeanOsMemoryInfo();
        }
    }

    private OsMemoryInfo getLinuxDelegate() {
        OsMemoryInfo cGroupDelegate = new CGroupMemoryInfo();
        OsMemoryInfo memInfoDelegate = new MemInfoOsMemoryInfo();

        OsMemoryStatus cGroupSnapshot;
        OsMemoryStatus memInfoSnapshot;

        try {
            cGroupSnapshot = cGroupDelegate.getOsSnapshot();
        } catch (UnsupportedOperationException e) {
            return memInfoDelegate;
        }

        try {
            memInfoSnapshot = memInfoDelegate.getOsSnapshot();
        } catch (UnsupportedOperationException e) {
            return cGroupDelegate;
        }

        long cGroupFreeMemory = cGroupSnapshot.getFreePhysicalMemory();
        long memInfoFreeMemory = memInfoSnapshot.getFreePhysicalMemory();

        return cGroupFreeMemory > memInfoFreeMemory ? memInfoDelegate : cGroupDelegate;
    }

    @Override
    public OsMemoryStatus getOsSnapshot() {
        return delegate.getOsSnapshot();
    }
}

## 内容6
### 文件路径：
subprojects/process-services/src/main/java/org/gradle/process/internal/health/memory/MemInfoOsMemoryInfo.java
### 代码内容：
package org.gradle.process.internal.health.memory;

import com.google.common.annotations.VisibleForTesting;
import com.google.common.io.Files;

import java.io.File;
import java.io.IOException;
import java.nio.charset.Charset;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class MemInfoOsMemoryInfo implements OsMemoryInfo {
    // /proc/meminfo is in kB since Linux 4.0, see https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/tree/fs/proc/task_mmu.c?id=39a8804455fb23f09157341d3ba7db6d7ae6ee76#n22
    private static final Pattern MEMINFO_LINE_PATTERN = Pattern.compile("^\\D+(\\d+) kB$");
    private static final String MEMINFO_FILE_PATH = "/proc/meminfo";

    private final Matcher meminfoMatcher;

    public MemInfoOsMemoryInfo() {
        // Initialize Matchers once and then reset them for performance
        meminfoMatcher = MEMINFO_LINE_PATTERN.matcher("");
    }

    @Override
    public synchronized OsMemoryStatus getOsSnapshot() {
        // NOTE: meminfoMatcher is _not_ thread safe and access needs to be limited to a single thread.
        List<String> meminfoOutputLines;
        try {
            meminfoOutputLines = Files.readLines(new File(MEMINFO_FILE_PATH), Charset.defaultCharset());
        } catch (IOException e) {
            throw new UnsupportedOperationException("Unable to read system memory from " + MEMINFO_FILE_PATH, e);
        }

        return getOsSnapshotFromMemInfo(meminfoOutputLines);
    }

    /**
     * Given output from /proc/meminfo, return a system memory snapshot.
     */
    @VisibleForTesting
    OsMemoryStatusSnapshot getOsSnapshotFromMemInfo(final List<String> meminfoLines) {
        final Meminfo meminfo = new Meminfo();

        for (String line : meminfoLines) {
            if (line.startsWith("MemAvailable")) {
                meminfo.setAvailable(parseMeminfoBytes(line));
            } else if (line.startsWith("MemFree")) {
                meminfo.setFree(parseMeminfoBytes(line));
            } else if (line.startsWith("Buffers")) {
                meminfo.setBuffers(parseMeminfoBytes(line));
            } else if (line.startsWith("Cached")) {
                meminfo.setCached(parseMeminfoBytes(line));
            } else if (line.startsWith("SReclaimable")) {
                meminfo.setReclaimable(parseMeminfoBytes(line));
            } else if (line.startsWith("Mapped")) {
                meminfo.setMapped(parseMeminfoBytes(line));
            } else if (line.startsWith("MemTotal")) {
                meminfo.setTotal(parseMeminfoBytes(line));
            }
        }

        if (meminfo.getAvailable() < 0 || meminfo.getTotal() < 0) {
            throw new UnsupportedOperationException("Unable to read system memory from " + MEMINFO_FILE_PATH);
        }

        return new OsMemoryStatusSnapshot(meminfo.getTotal(), meminfo.getAvailable());
    }

    /**
     * Given a line from /proc/meminfo, return number value representing number of bytes.
     *
     * @param line String line from /proc/meminfo. Example: "MemAvailable:    2109560 kB"
     * @return number from value transformed to bytes or -1 if unparsable. Example: 2_160_189_440
     */
    private long parseMeminfoBytes(final String line) {
        Matcher matcher = meminfoMatcher.reset(line);
        if (matcher.matches()) {
            return Long.parseLong(matcher.group(1)) * 1024;
        }
        throw new UnsupportedOperationException("Unable to parse /proc/meminfo output to get system memory");
    }

    private static class Meminfo {
        private long total = -1;
        private long available = -1;
        private long free = -1;
        private long buffers = -1;
        private long cached = -1;
        private long reclaimable = -1;
        private long mapped = -1;

        public long getTotal() {
            return total;
        }

        /*
         * Linux 4.x: MemAvailable
         * Linux 3.x: MemFree + Buffers + Cached + SReclaimable - Mapped
         */
        long getAvailable() {
            if (available != -1) {
                return available;
            }
            if (free != -1 && buffers != -1 && cached != -1 && reclaimable != -1 && mapped != -1) {
                return free + buffers + cached + reclaimable - mapped;
            }
            return -1;
        }

        void setFree(long memFree) {
            this.free = memFree;
        }

        public void setBuffers(long buffers) {
            this.buffers = buffers;
        }

        public void setCached(long cached) {
            this.cached = cached;
        }

        void setReclaimable(long reclaimable) {
            this.reclaimable = reclaimable;
        }

        public void setMapped(long mapped) {
            this.mapped = mapped;
        }

        public void setTotal(long total) {
            this.total = total;
        }

        public void setAvailable(long available) {
            this.available = available;
        }
    }
}

Output:
【漏洞类型】未验证的文件路径遍历漏洞
【严重性】High
【漏洞摘要】此代码在获取系统内存信息时，直接使用了硬编码的文件路径（例如，"/sys/fs/cgroup/memory/memory.usage_in_bytes" 和 "/sys/fs/cgroup/memory/memory.limit_in_bytes"）。这些路径是通过直接读取文件内容来获取内存信息的，但没有对文件路径进行验证，这可能导致路径遍历攻击。如果攻击者能够控制文件路径，他们可能会通过构造特殊的路径来访问或修改系统文件，从而可能破坏系统安全。
【关键代码模式】readStringFromFile(File file)
【修复方法说明】修复方法通过在 scheduleMembers 方法中添加 hasBeenScheduled 标志来防止重复调度，从而避免了路径遍历攻击的风险。


Instruction:
作为 Java 安全专家，检测此代码中的安全漏洞：
## 内容1
### 文件路径：
redisson/src/main/java/org/redisson/codec/CustomObjectInputStream.java
### 代码内容：
package org.redisson.codec;

import java.io.IOException;
import java.io.InputStream;
import java.io.ObjectInputStream;
import java.io.ObjectStreamClass;
import java.lang.reflect.Proxy;
import java.util.ArrayList;
import java.util.List;

/**
 *
 * @author Nikita Koksharov
 *
 */
public class CustomObjectInputStream extends ObjectInputStream {

    private final ClassLoader classLoader;

    public CustomObjectInputStream(ClassLoader classLoader, InputStream in) throws IOException {
        super(in);
        this.classLoader = classLoader;
    }

    @Override
    protected Class<?> resolveClass(ObjectStreamClass desc) throws IOException, ClassNotFoundException {
        try {
            String name = desc.getName();
            return Class.forName(name, false, classLoader);
        } catch (ClassNotFoundException e) {
            return super.resolveClass(desc);
        }
    }

    @Override
    protected Class<?> resolveProxyClass(String[] interfaces) throws IOException, ClassNotFoundException {
        List<Class<?>> loadedClasses = new ArrayList<Class<?>>(interfaces.length);

        for (String name : interfaces) {
            Class<?> clazz = Class.forName(name, false, classLoader);
            loadedClasses.add(clazz);
        }

        return Proxy.getProxyClass(classLoader, loadedClasses.toArray(new Class[loadedClasses.size()]));
    }

}

## 内容2
### 文件路径：
redisson/src/main/java/org/redisson/codec/SerializationCodec.java
### 代码内容：
package org.redisson.codec;

import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;

import org.redisson.client.codec.BaseCodec;
import org.redisson.client.handler.State;
import org.redisson.client.protocol.Decoder;
import org.redisson.client.protocol.Encoder;

import io.netty.buffer.ByteBuf;
import io.netty.buffer.ByteBufAllocator;
import io.netty.buffer.ByteBufInputStream;
import io.netty.buffer.ByteBufOutputStream;

/**
 * JDK's serialization codec.
 * <p>
 * Fully thread-safe.*
 *
 * @author Nikita Koksharov
 *
 */
public class SerializationCodec extends BaseCodec {

    private final Decoder<Object> decoder = new Decoder<Object>() {
        @Override
        public Object decode(ByteBuf buf, State state) throws IOException {
            try {
                //set thread context class loader to be the classLoader variable as there could be reflection
                //done while reading from input stream which reflection will use thread class loader to load classes on demand
                ClassLoader currentThreadClassLoader = Thread.currentThread().getContextClassLoader();
                try {
                    ByteBufInputStream in = new ByteBufInputStream(buf);
                    ObjectInputStream inputStream;
                    if (classLoader != null) {
                        Thread.currentThread().setContextClassLoader(classLoader);
                        inputStream = new CustomObjectInputStream(classLoader, in);
                    } else {
                        inputStream = new ObjectInputStream(in);
                    }
                    return inputStream.readObject();
                } finally {
                    Thread.currentThread().setContextClassLoader(currentThreadClassLoader);
                }
            } catch (IOException e) {
                throw e;
            } catch (Exception e) {
                throw new IOException(e);
            }
        }
    };

    private final Encoder encoder = new Encoder() {

        @Override
        public ByteBuf encode(Object in) throws IOException {
            ByteBuf out = ByteBufAllocator.DEFAULT.buffer();
            try {
                ByteBufOutputStream result = new ByteBufOutputStream(out);
                ObjectOutputStream outputStream = new ObjectOutputStream(result);
                outputStream.writeObject(in);
                outputStream.close();
                return result.buffer();
            } catch (IOException e) {
                out.release();
                throw e;
            }
        }
    };

    private final ClassLoader classLoader;

    public SerializationCodec() {
        this(null);
    }

    public SerializationCodec(ClassLoader classLoader) {
        this.classLoader = classLoader;
    }

    public SerializationCodec(ClassLoader classLoader, SerializationCodec codec) {
        this.classLoader = classLoader;
    }

    @Override
    public Decoder<Object> getValueDecoder() {
        return decoder;
    }

    @Override
    public Encoder getValueEncoder() {
        return encoder;
    }

    @Override
    public ClassLoader getClassLoader() {
        if (classLoader != null) {
            return classLoader;
        }
        return getClass().getClassLoader();
    }

}

Output:
【漏洞类型】反序列化漏洞
【严重性】High
【漏洞摘要】此代码存在反序列化漏洞，原因在于`CustomObjectInputStream`类中未对反序列化的类进行白名单验证。具体表现为，在`resolveClass`和`resolveProxyClass`方法中，攻击者可以通过精心构造的序列化数据，利用`Class.forName`方法加载任意类，从而可能执行恶意代码。
【关键代码模式】`Class.forName(name, false, classLoader)`、`resolveClass`、`resolveProxyClass`
【修复方法说明】通过添加一个允许的类名集合`allowedClasses`，在反序列化时检查类名是否在白名单中，以防止加载不受信任的类。