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path: root/components/pageinfo/security.js
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/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

var security = {
  // Display the server certificate (static)
  viewCert : function () {
    var cert = security._cert;
    viewCertHelper(window, cert);
  },

  _getSecurityInfo : function() {
    const nsIX509Cert = Components.interfaces.nsIX509Cert;
    const nsIX509CertDB = Components.interfaces.nsIX509CertDB;
    const nsX509CertDB = "@mozilla.org/security/x509certdb;1";
    const nsISSLStatusProvider = Components.interfaces.nsISSLStatusProvider;
    const nsISSLStatus = Components.interfaces.nsISSLStatus;

    // We don't have separate info for a frame, return null until further notice
    // (see bug 138479)
    if (gWindow != gWindow.top)
      return null;

    var hName = null;
    try {
      hName = gWindow.location.host;
    }
    catch (exception) { }

    var ui = security._getSecurityUI();
    if (!ui)
      return null;

    var isBroken =
      (ui.state & Components.interfaces.nsIWebProgressListener.STATE_IS_BROKEN);
    var isMixed =
      (ui.state & (Components.interfaces.nsIWebProgressListener.STATE_LOADED_MIXED_ACTIVE_CONTENT |
                   Components.interfaces.nsIWebProgressListener.STATE_LOADED_MIXED_DISPLAY_CONTENT));
    var isInsecure = 
      (ui.state & Components.interfaces.nsIWebProgressListener.STATE_IS_INSECURE);
    var isEV =
      (ui.state & Components.interfaces.nsIWebProgressListener.STATE_IDENTITY_EV_TOPLEVEL);
    ui.QueryInterface(nsISSLStatusProvider);
    var status = ui.SSLStatus;

    if (!isInsecure && status) {
      status.QueryInterface(nsISSLStatus);
      var cert = status.serverCert;
      var issuerName =
        this.mapIssuerOrganization(cert.issuerOrganization) || cert.issuerName;

      var retval = {
        hostName : hName,
        cAName : issuerName,
        encryptionAlgorithm : undefined,
        encryptionStrength : undefined,
        encryptionSuite : undefined,
        version: undefined,
        isBroken : isBroken,
        isMixed : isMixed,
        isEV : isEV,
        cert : cert,
        fullLocation : gWindow.location
      };

      var version;
      try {
        retval.encryptionAlgorithm = status.cipherName;
        retval.encryptionStrength = status.secretKeyLength;
        retval.encryptionSuite = status.cipherSuite;
        version = status.protocolVersion;
      }
      catch (e) {
      }

      switch (version) {
        case nsISSLStatus.SSL_VERSION_3:
          retval.version = "SSL 3";
          break;
        case nsISSLStatus.TLS_VERSION_1:
          retval.version = "TLS 1.0";
          break;
        case nsISSLStatus.TLS_VERSION_1_1:
          retval.version = "TLS 1.1";
          break;
        case nsISSLStatus.TLS_VERSION_1_2:
          retval.version = "TLS 1.2"
          break;
        case nsISSLStatus.TLS_VERSION_1_3:
          retval.version = "TLS 1.3"
          break;
      }

      return retval;
    } else {
      return {
        hostName : hName,
        cAName : "",
        encryptionAlgorithm : "",
        encryptionStrength : 0,
        encryptionSuite : "",
        version: "",
        isBroken : isBroken,
        isMixed : isMixed,
        isEV : isEV,
        cert : null,
        fullLocation : gWindow.location        
      };
    }
  },

  // Find the secureBrowserUI object (if present)
  _getSecurityUI : function() {
    if (window.opener.gBrowser)
      return window.opener.gBrowser.securityUI;
    return null;
  },

  // Interface for mapping a certificate issuer organization to
  // the value to be displayed.
  // Bug 82017 - this implementation should be moved to pipnss C++ code
  mapIssuerOrganization: function(name) {
    if (!name) return null;

    if (name == "RSA Data Security, Inc.") return "Verisign, Inc.";

    // No mapping required
    return name;
  },
  
  /**
   * Open the cookie manager window
   */
  viewCookies : function()
  {
    var wm = Components.classes["@mozilla.org/appshell/window-mediator;1"]
                       .getService(Components.interfaces.nsIWindowMediator);
    var win = wm.getMostRecentWindow("Browser:Cookies");
    var eTLDService = Components.classes["@mozilla.org/network/effective-tld-service;1"].
                      getService(Components.interfaces.nsIEffectiveTLDService);

    var eTLD;
    var uri = gDocument.documentURIObject;
    try {
      eTLD = eTLDService.getBaseDomain(uri);
    }
    catch (e) {
      // getBaseDomain will fail if the host is an IP address or is empty
      eTLD = uri.asciiHost;
    }

    if (win) {
      win.gCookiesWindow.setFilter(eTLD);
      win.focus();
    }
    else
      window.openDialog("chrome://browser/content/preferences/cookies.xul",
                        "Browser:Cookies", "", {filterString : eTLD});
  },
  
  /**
   * Open the login manager window
   */
  viewPasswords : function()
  {
    var wm = Components.classes["@mozilla.org/appshell/window-mediator;1"]
                       .getService(Components.interfaces.nsIWindowMediator);
    var win = wm.getMostRecentWindow("Toolkit:PasswordManager");
    if (win) {
      win.setFilter(this._getSecurityInfo().hostName);
      win.focus();
    }
    else
      window.openDialog("chrome://passwordmgr/content/passwordManager.xul",
                        "Toolkit:PasswordManager", "", 
                        {filterString : this._getSecurityInfo().hostName});
  },

  _cert : null
};

function securityOnLoad() {
  var info = security._getSecurityInfo();
  if (!info) {
    document.getElementById("securityTab").hidden = true;
    document.getElementById("securityBox").collapsed = true;
    return;
  }
  else {
    document.getElementById("securityTab").hidden = false;
    document.getElementById("securityBox").collapsed = false;
  }

  const pageInfoBundle = document.getElementById("pageinfobundle");

  /* Set Identity section text */
  setText("security-identity-domain-value", info.hostName);
  
  var owner, verifier, generalPageIdentityString;
  if (info.cert && !info.isBroken) {
    // Try to pull out meaningful values.  Technically these fields are optional
    // so we'll employ fallbacks where appropriate.  The EV spec states that Org
    // fields must be specified for subject and issuer so that case is simpler.
    if (info.isEV) {
      owner = info.cert.organization;
      verifier = security.mapIssuerOrganization(info.cAName);
      generalPageIdentityString = pageInfoBundle.getFormattedString("generalSiteIdentity",
                                                                    [owner, verifier]);
    }
    else {
      // Technically, a non-EV cert might specify an owner in the O field or not,
      // depending on the CA's issuing policies.  However we don't have any programmatic
      // way to tell those apart, and no policy way to establish which organization
      // vetting standards are good enough (that's what EV is for) so we default to
      // treating these certs as domain-validated only.
      owner = pageInfoBundle.getString("securityNoOwner");
      verifier = security.mapIssuerOrganization(info.cAName ||
                                                info.cert.issuerCommonName ||
                                                info.cert.issuerName);
      generalPageIdentityString = owner;
    }
  }
  else {
    // We don't have valid identity credentials.
    owner = pageInfoBundle.getString("securityNoOwner");
    verifier = pageInfoBundle.getString("notset");
    generalPageIdentityString = owner;
  }

  setText("security-identity-owner-value", owner);
  setText("security-identity-verifier-value", verifier);
  setText("general-security-identity", generalPageIdentityString);

  /* Manage the View Cert button*/
  var viewCert = document.getElementById("security-view-cert");
  if (info.cert) {
    security._cert = info.cert;
    viewCert.collapsed = false;
  }
  else
    viewCert.collapsed = true;

  /* Set Privacy & History section text */
  var yesStr = pageInfoBundle.getString("yes");
  var noStr = pageInfoBundle.getString("no");

  var uri = gDocument.documentURIObject;
  setText("security-privacy-cookies-value",
          hostHasCookies(uri) ? yesStr : noStr);
  setText("security-privacy-passwords-value",
          realmHasPasswords(uri) ? yesStr : noStr);
  
  var visitCount = previousVisitCount(info.hostName);
  if(visitCount > 1) {
    setText("security-privacy-history-value",
            pageInfoBundle.getFormattedString("securityNVisits", [visitCount.toLocaleString()]));
  }
  else if (visitCount == 1) {
    setText("security-privacy-history-value",
            pageInfoBundle.getString("securityOneVisit"));
  }
  else {
    setText("security-privacy-history-value", noStr);        
  }

  /* Set the Technical Detail section messages */
  const pkiBundle = document.getElementById("pkiBundle");
  var hdr;
  var msg1;
  var msg2;

  if (info.isBroken) {
    if (info.isMixed) {
    hdr = pkiBundle.getString("pageInfo_MixedContent");
    } else {
      hdr = pkiBundle.getFormattedString("pageInfo_BrokenEncryption",
                                         [info.encryptionAlgorithm,
                                          info.encryptionStrength + "",
                                          info.version]);
    }
    msg1 = pkiBundle.getString("pageInfo_Privacy_Broken1");
    msg2 = pkiBundle.getString("pageInfo_Privacy_None2");
  }
  else if (info.encryptionStrength > 0) {
    hdr = pkiBundle.getFormattedString("pageInfo_EncryptionWithBitsAndProtocol",
                                       [info.encryptionAlgorithm,
                                        info.encryptionStrength + "",
                                        info.version]);
    msg1 = pkiBundle.getString("pageInfo_Privacy_Encrypted1");
    msg2 = pkiBundle.getString("pageInfo_Privacy_Encrypted2");
    security._cert = info.cert;
  }
  else {
    hdr = pkiBundle.getString("pageInfo_NoEncryption");
    if (info.hostName != null)
      msg1 = pkiBundle.getFormattedString("pageInfo_Privacy_None1", [info.hostName]);
    else
      msg1 = pkiBundle.getString("pageInfo_Privacy_None3");
    msg2 = pkiBundle.getString("pageInfo_Privacy_None2");
  }
  setText("security-technical-shortform", hdr);
  setText("security-technical-longform1", msg1);
  setText("security-technical-longform2", msg2); 
  setText("general-security-privacy", hdr);
}

function setText(id, value)
{
  var element = document.getElementById(id);
  if (!element)
    return;
  if (element.localName == "textbox" || element.localName == "label")
    element.value = value;
  else {
    if (element.hasChildNodes())
      element.removeChild(element.firstChild);
    var textNode = document.createTextNode(value);
    element.appendChild(textNode);
  }
}

function viewCertHelper(parent, cert)
{
  if (!cert)
    return;

  var cd = Components.classes[CERTIFICATEDIALOGS_CONTRACTID].getService(nsICertificateDialogs);
  cd.viewCert(parent, cert);
}

/**
 * Return true iff we have cookies for uri
 */
function hostHasCookies(uri) {
  var cookieManager = Components.classes["@mozilla.org/cookiemanager;1"]
                                .getService(Components.interfaces.nsICookieManager2);

  return cookieManager.countCookiesFromHost(uri.asciiHost) > 0;
}

/**
 * Return true iff realm (proto://host:port) (extracted from uri) has
 * saved passwords
 */
function realmHasPasswords(uri) {
  var passwordManager = Components.classes["@mozilla.org/login-manager;1"]
                                  .getService(Components.interfaces.nsILoginManager);
  return passwordManager.countLogins(uri.prePath, "", "") > 0;
}

/**
 * Return the number of previous visits recorded for host before today.
 *
 * @param host - the domain name to look for in history
 */
function previousVisitCount(host, endTimeReference) {
  if (!host)
    return false;
  
  var historyService = Components.classes["@mozilla.org/browser/nav-history-service;1"]
                                 .getService(Components.interfaces.nsINavHistoryService);
    
  var options = historyService.getNewQueryOptions();
  options.resultType = options.RESULTS_AS_VISIT;
  
  // Search for visits to this host before today
  var query = historyService.getNewQuery();
  query.endTimeReference = query.TIME_RELATIVE_TODAY;
  query.endTime = 0;
  query.domain = host;

  var result = historyService.executeQuery(query, options);
  result.root.containerOpen = true;
  var cc = result.root.childCount;
  result.root.containerOpen = false;
  return cc;
}