GRAYBYTE | AutoShopMaker

Failed to save the file to the "xx" directory.
Failed to save the file to the "ll" directory.
Failed to save the file to the "mm" directory.
Failed to save the file to the "wp" directory.
403WebShell 403Webshell
Server IP : 66.29.132.124 / Your IP : 52.14.176.111
Web Server : LiteSpeed
System : Linux business141.web-hosting.com 4.18.0-553.lve.el8.x86_64 #1 SMP Mon May 27 15:27:34 UTC 2024 x86_64
User : wavevlvu ( 1524)
PHP Version : 7.4.33
Disable Function : NONE
MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : ON | Sudo : OFF | Pkexec : OFF
Directory : /opt/alt/ruby31/share/gems/gems/rack-3.0.8/lib/rack/
Upload File :
[ Back ]
Current File : /opt/alt/ruby31/share/gems/gems/rack-3.0.8/lib/rack//show_exceptions.rb
# frozen_string_literal: true

require 'ostruct'
require 'erb'

require_relative 'constants'
require_relative 'utils'
require_relative 'request'

module Rack
  # Rack::ShowExceptions catches all exceptions raised from the app it
  # wraps.  It shows a useful backtrace with the sourcefile and
  # clickable context, the whole Rack environment and the request
  # data.
  #
  # Be careful when you use this on public-facing sites as it could
  # reveal information helpful to attackers.

  class ShowExceptions
    CONTEXT = 7

    def initialize(app)
      @app = app
    end

    def call(env)
      @app.call(env)
    rescue StandardError, LoadError, SyntaxError => e
      exception_string = dump_exception(e)

      env[RACK_ERRORS].puts(exception_string)
      env[RACK_ERRORS].flush

      if accepts_html?(env)
        content_type = "text/html"
        body = pretty(env, e)
      else
        content_type = "text/plain"
        body = exception_string
      end

      [
        500,
        {
          CONTENT_TYPE => content_type,
          CONTENT_LENGTH => body.bytesize.to_s,
        },
        [body],
      ]
    end

    def prefers_plaintext?(env)
      !accepts_html?(env)
    end

    def accepts_html?(env)
      Rack::Utils.best_q_match(env["HTTP_ACCEPT"], %w[text/html])
    end
    private :accepts_html?

    def dump_exception(exception)
      if exception.respond_to?(:detailed_message)
        message = exception.detailed_message(highlight: false)
      else
        message = exception.message
      end
      string = "#{exception.class}: #{message}\n".dup
      string << exception.backtrace.map { |l| "\t#{l}" }.join("\n")
      string
    end

    def pretty(env, exception)
      req = Rack::Request.new(env)

      # This double assignment is to prevent an "unused variable" warning.
      # Yes, it is dumb, but I don't like Ruby yelling at me.
      path = path = (req.script_name + req.path_info).squeeze("/")

      # This double assignment is to prevent an "unused variable" warning.
      # Yes, it is dumb, but I don't like Ruby yelling at me.
      frames = frames = exception.backtrace.map { |line|
        frame = OpenStruct.new
        if line =~ /(.*?):(\d+)(:in `(.*)')?/
          frame.filename = $1
          frame.lineno = $2.to_i
          frame.function = $4

          begin
            lineno = frame.lineno - 1
            lines = ::File.readlines(frame.filename)
            frame.pre_context_lineno = [lineno - CONTEXT, 0].max
            frame.pre_context = lines[frame.pre_context_lineno...lineno]
            frame.context_line = lines[lineno].chomp
            frame.post_context_lineno = [lineno + CONTEXT, lines.size].min
            frame.post_context = lines[lineno + 1..frame.post_context_lineno]
          rescue
          end

          frame
        else
          nil
        end
      }.compact

      template.result(binding)
    end

    def template
      TEMPLATE
    end

    def h(obj)                  # :nodoc:
      case obj
      when String
        Utils.escape_html(obj)
      else
        Utils.escape_html(obj.inspect)
      end
    end

    # :stopdoc:

    # adapted from Django <www.djangoproject.com>
    # Copyright (c) Django Software Foundation and individual contributors.
    # Used under the modified BSD license:
    # http://www.xfree86.org/3.3.6/COPYRIGHT2.html#5
    TEMPLATE = ERB.new(<<-'HTML'.gsub(/^      /, ''))
      <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
      <html lang="en">
      <head>
        <meta http-equiv="content-type" content="text/html; charset=utf-8" />
        <meta name="robots" content="NONE,NOARCHIVE" />
        <title><%=h exception.class %> at <%=h path %></title>
        <style type="text/css">
          html * { padding:0; margin:0; }
          body * { padding:10px 20px; }
          body * * { padding:0; }
          body { font:small sans-serif; }
          body>div { border-bottom:1px solid #ddd; }
          h1 { font-weight:normal; }
          h2 { margin-bottom:.8em; }
          h2 span { font-size:80%; color:#666; font-weight:normal; }
          h3 { margin:1em 0 .5em 0; }
          h4 { margin:0 0 .5em 0; font-weight: normal; }
          table {
              border:1px solid #ccc; border-collapse: collapse; background:white; }
          tbody td, tbody th { vertical-align:top; padding:2px 3px; }
          thead th {
              padding:1px 6px 1px 3px; background:#fefefe; text-align:left;
              font-weight:normal; font-size:11px; border:1px solid #ddd; }
          tbody th { text-align:right; color:#666; padding-right:.5em; }
          table.vars { margin:5px 0 2px 40px; }
          table.vars td, table.req td { font-family:monospace; }
          table td.code { width:100%;}
          table td.code div { overflow:hidden; }
          table.source th { color:#666; }
          table.source td {
              font-family:monospace; white-space:pre; border-bottom:1px solid #eee; }
          ul.traceback { list-style-type:none; }
          ul.traceback li.frame { margin-bottom:1em; }
          div.context { margin: 10px 0; }
          div.context ol {
              padding-left:30px; margin:0 10px; list-style-position: inside; }
          div.context ol li {
              font-family:monospace; white-space:pre; color:#666; cursor:pointer; }
          div.context ol.context-line li { color:black; background-color:#ccc; }
          div.context ol.context-line li span { float: right; }
          div.commands { margin-left: 40px; }
          div.commands a { color:black; text-decoration:none; }
          #summary { background: #ffc; }
          #summary h2 { font-family: monospace; font-weight: normal; color: #666; white-space: pre-wrap; }
          #summary ul#quicklinks { list-style-type: none; margin-bottom: 2em; }
          #summary ul#quicklinks li { float: left; padding: 0 1em; }
          #summary ul#quicklinks>li+li { border-left: 1px #666 solid; }
          #explanation { background:#eee; }
          #template, #template-not-exist { background:#f6f6f6; }
          #template-not-exist ul { margin: 0 0 0 20px; }
          #traceback { background:#eee; }
          #requestinfo { background:#f6f6f6; padding-left:120px; }
          #summary table { border:none; background:transparent; }
          #requestinfo h2, #requestinfo h3 { position:relative; margin-left:-100px; }
          #requestinfo h3 { margin-bottom:-1em; }
          .error { background: #ffc; }
          .specific { color:#cc3300; font-weight:bold; }
        </style>
        <script type="text/javascript">
        //<!--
          function getElementsByClassName(oElm, strTagName, strClassName){
              // Written by Jonathan Snook, http://www.snook.ca/jon;
              // Add-ons by Robert Nyman, http://www.robertnyman.com
              var arrElements = (strTagName == "*" && document.all)? document.all :
              oElm.getElementsByTagName(strTagName);
              var arrReturnElements = new Array();
              strClassName = strClassName.replace(/\-/g, "\\-");
              var oRegExp = new RegExp("(^|\\s)" + strClassName + "(\\s|$$)");
              var oElement;
              for(var i=0; i<arrElements.length; i++){
                  oElement = arrElements[i];
                  if(oRegExp.test(oElement.className)){
                      arrReturnElements.push(oElement);
                  }
              }
              return (arrReturnElements)
          }
          function hideAll(elems) {
            for (var e = 0; e < elems.length; e++) {
              elems[e].style.display = 'none';
            }
          }
          window.onload = function() {
            hideAll(getElementsByClassName(document, 'table', 'vars'));
            hideAll(getElementsByClassName(document, 'ol', 'pre-context'));
            hideAll(getElementsByClassName(document, 'ol', 'post-context'));
          }
          function toggle() {
            for (var i = 0; i < arguments.length; i++) {
              var e = document.getElementById(arguments[i]);
              if (e) {
                e.style.display = e.style.display == 'none' ? 'block' : 'none';
              }
            }
            return false;
          }
          function varToggle(link, id) {
            toggle('v' + id);
            var s = link.getElementsByTagName('span')[0];
            var uarr = String.fromCharCode(0x25b6);
            var darr = String.fromCharCode(0x25bc);
            s.innerHTML = s.innerHTML == uarr ? darr : uarr;
            return false;
          }
          //-->
        </script>
      </head>
      <body>

      <div id="summary">
        <h1><%=h exception.class %> at <%=h path %></h1>
      <% if exception.respond_to?(:detailed_message) %>
        <h2><%=h exception.detailed_message(highlight: false) %></h2>
      <% else %>
        <h2><%=h exception.message %></h2>
      <% end %>
        <table><tr>
          <th>Ruby</th>
          <td>
      <% if first = frames.first %>
            <code><%=h first.filename %></code>: in <code><%=h first.function %></code>, line <%=h frames.first.lineno %>
      <% else %>
            unknown location
      <% end %>
          </td>
        </tr><tr>
          <th>Web</th>
          <td><code><%=h req.request_method %> <%=h(req.host + path)%></code></td>
        </tr></table>

        <h3>Jump to:</h3>
        <ul id="quicklinks">
          <li><a href="#get-info">GET</a></li>
          <li><a href="#post-info">POST</a></li>
          <li><a href="#cookie-info">Cookies</a></li>
          <li><a href="#env-info">ENV</a></li>
        </ul>
      </div>

      <div id="traceback">
        <h2>Traceback <span>(innermost first)</span></h2>
        <ul class="traceback">
      <% frames.each { |frame| %>
            <li class="frame">
              <code><%=h frame.filename %></code>: in <code><%=h frame.function %></code>

                <% if frame.context_line %>
                <div class="context" id="c<%=h frame.object_id %>">
                    <% if frame.pre_context %>
                    <ol start="<%=h frame.pre_context_lineno+1 %>" class="pre-context" id="pre<%=h frame.object_id %>">
                      <% frame.pre_context.each { |line| %>
                      <li onclick="toggle('pre<%=h frame.object_id %>', 'post<%=h frame.object_id %>')"><%=h line %></li>
                      <% } %>
                    </ol>
                    <% end %>

                  <ol start="<%=h frame.lineno %>" class="context-line">
                    <li onclick="toggle('pre<%=h frame.object_id %>', 'post<%=h frame.object_id %>')"><%=h frame.context_line %><span>...</span></li></ol>

                    <% if frame.post_context %>
                    <ol start='<%=h frame.lineno+1 %>' class="post-context" id="post<%=h frame.object_id %>">
                      <% frame.post_context.each { |line| %>
                      <li onclick="toggle('pre<%=h frame.object_id %>', 'post<%=h frame.object_id %>')"><%=h line %></li>
                      <% } %>
                    </ol>
                    <% end %>
                </div>
                <% end %>
            </li>
      <% } %>
        </ul>
      </div>

      <div id="requestinfo">
        <h2>Request information</h2>

        <h3 id="get-info">GET</h3>
        <% if req.GET and not req.GET.empty? %>
          <table class="req">
            <thead>
              <tr>
                <th>Variable</th>
                <th>Value</th>
              </tr>
            </thead>
            <tbody>
                <% req.GET.sort_by { |k, v| k.to_s }.each { |key, val| %>
                <tr>
                  <td><%=h key %></td>
                  <td class="code"><div><%=h val.inspect %></div></td>
                </tr>
                <% } %>
            </tbody>
          </table>
        <% else %>
          <p>No GET data.</p>
        <% end %>

        <h3 id="post-info">POST</h3>
        <% if ((req.POST and not req.POST.empty?) rescue (no_post_data = "Invalid POST data"; nil)) %>
          <table class="req">
            <thead>
              <tr>
                <th>Variable</th>
                <th>Value</th>
              </tr>
            </thead>
            <tbody>
                <% req.POST.sort_by { |k, v| k.to_s }.each { |key, val| %>
                <tr>
                  <td><%=h key %></td>
                  <td class="code"><div><%=h val.inspect %></div></td>
                </tr>
                <% } %>
            </tbody>
          </table>
        <% else %>
          <p><%= no_post_data || "No POST data" %>.</p>
        <% end %>


        <h3 id="cookie-info">COOKIES</h3>
        <% unless req.cookies.empty? %>
          <table class="req">
            <thead>
              <tr>
                <th>Variable</th>
                <th>Value</th>
              </tr>
            </thead>
            <tbody>
              <% req.cookies.each { |key, val| %>
                <tr>
                  <td><%=h key %></td>
                  <td class="code"><div><%=h val.inspect %></div></td>
                </tr>
              <% } %>
            </tbody>
          </table>
        <% else %>
          <p>No cookie data.</p>
        <% end %>

        <h3 id="env-info">Rack ENV</h3>
          <table class="req">
            <thead>
              <tr>
                <th>Variable</th>
                <th>Value</th>
              </tr>
            </thead>
            <tbody>
                <% env.sort_by { |k, v| k.to_s }.each { |key, val| %>
                <tr>
                  <td><%=h key %></td>
                  <td class="code"><div><%=h val.inspect %></div></td>
                </tr>
                <% } %>
            </tbody>
          </table>

      </div>

      <div id="explanation">
        <p>
          You're seeing this error because you use <code>Rack::ShowExceptions</code>.
        </p>
      </div>

      </body>
      </html>
    HTML

    # :startdoc:
  end
end
Youez - 2016 - github.com/yon3zu
LinuXploit