michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
michael@0:  *
michael@0:  * This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: /*
michael@0:  * These are helper functions to be included
michael@0:  * pippki UI js files.
michael@0:  */
michael@0: 
michael@0: function setText(id, value) {
michael@0:   var element = document.getElementById(id);
michael@0:   if (!element) return;
michael@0:      if (element.hasChildNodes())
michael@0:        element.removeChild(element.firstChild);
michael@0:   var textNode = document.createTextNode(value);
michael@0:   element.appendChild(textNode);
michael@0: }
michael@0: 
michael@0: const nsICertificateDialogs = Components.interfaces.nsICertificateDialogs;
michael@0: const nsCertificateDialogs = "@mozilla.org/nsCertificateDialogs;1"
michael@0: 
michael@0: function viewCertHelper(parent, cert) {
michael@0:   if (!cert)
michael@0:     return;
michael@0: 
michael@0:   var cd = Components.classes[nsCertificateDialogs].getService(nsICertificateDialogs);
michael@0:   cd.viewCert(parent, cert);
michael@0: }
michael@0: 
michael@0: function getDERString(cert)
michael@0: {
michael@0:   var length = {};
michael@0:   var derArray = cert.getRawDER(length);
michael@0:   var derString = '';
michael@0:   for (var i = 0; i < derArray.length; i++) {
michael@0:     derString += String.fromCharCode(derArray[i]);
michael@0:   }
michael@0:   return derString;
michael@0: }
michael@0: 
michael@0: function getPKCS7String(cert, chainMode)
michael@0: {
michael@0:   var length = {};
michael@0:   cert.QueryInterface(Components.interfaces.nsIX509Cert3);
michael@0:   var pkcs7Array = cert.exportAsCMS(chainMode, length);
michael@0:   var pkcs7String = '';
michael@0:   for (var i = 0; i < pkcs7Array.length; i++) {
michael@0:     pkcs7String += String.fromCharCode(pkcs7Array[i]);
michael@0:   }
michael@0:   return pkcs7String;
michael@0: }
michael@0: 
michael@0: function getPEMString(cert)
michael@0: {
michael@0:   var derb64 = btoa(getDERString(cert));
michael@0:   // Wrap the Base64 string into lines of 64 characters, 
michael@0:   // with CRLF line breaks (as specified in RFC 1421).
michael@0:   var wrapped = derb64.replace(/(\S{64}(?!$))/g, "$1\r\n");
michael@0:   return "-----BEGIN CERTIFICATE-----\r\n"
michael@0:          + wrapped
michael@0:          + "\r\n-----END CERTIFICATE-----\r\n";
michael@0: }
michael@0:  
michael@0: function alertPromptService(title, message)
michael@0: {
michael@0:   var ps = null;
michael@0:   var ps = Components.classes["@mozilla.org/embedcomp/prompt-service;1"].
michael@0:            getService(Components.interfaces.nsIPromptService);
michael@0:   ps.alert(window, title, message);
michael@0: }
michael@0: 
michael@0: function exportToFile(parent, cert)
michael@0: {
michael@0:   var bundle = document.getElementById("pippki_bundle");
michael@0:   if (!cert)
michael@0:     return;
michael@0: 
michael@0:   var nsIFilePicker = Components.interfaces.nsIFilePicker;
michael@0:   var fp = Components.classes["@mozilla.org/filepicker;1"].
michael@0:            createInstance(nsIFilePicker);
michael@0:   fp.init(parent, bundle.getString("SaveCertAs"),
michael@0:           nsIFilePicker.modeSave);
michael@0:   var filename = cert.commonName;
michael@0:   if (!filename.length)
michael@0:     filename = cert.windowTitle;
michael@0:   // remove all whitespace from the default filename
michael@0:   fp.defaultString = filename.replace(/\s*/g,'');
michael@0:   fp.defaultExtension = "crt";
michael@0:   fp.appendFilter(bundle.getString("CertFormatBase64"), "*.crt; *.pem");
michael@0:   fp.appendFilter(bundle.getString("CertFormatBase64Chain"), "*.crt; *.pem");
michael@0:   fp.appendFilter(bundle.getString("CertFormatDER"), "*.der");
michael@0:   fp.appendFilter(bundle.getString("CertFormatPKCS7"), "*.p7c");
michael@0:   fp.appendFilter(bundle.getString("CertFormatPKCS7Chain"), "*.p7c");
michael@0:   fp.appendFilters(nsIFilePicker.filterAll);
michael@0:   var res = fp.show();
michael@0:   if (res != nsIFilePicker.returnOK && res != nsIFilePicker.returnReplace)
michael@0:     return;
michael@0: 
michael@0:   var content = '';
michael@0:   switch (fp.filterIndex) {
michael@0:     case 1:
michael@0:       content = getPEMString(cert);
michael@0:       var chain = cert.getChain();
michael@0:       for (var i = 1; i < chain.length; i++)
michael@0:         content += getPEMString(chain.queryElementAt(i, Components.interfaces.nsIX509Cert));
michael@0:       break;
michael@0:     case 2:
michael@0:       content = getDERString(cert);
michael@0:       break;
michael@0:     case 3:
michael@0:       content = getPKCS7String(cert, Components.interfaces.nsIX509Cert3.CMS_CHAIN_MODE_CertOnly);
michael@0:       break;
michael@0:     case 4:
michael@0:       content = getPKCS7String(cert, Components.interfaces.nsIX509Cert3.CMS_CHAIN_MODE_CertChainWithRoot);
michael@0:       break;
michael@0:     case 0:
michael@0:     default:
michael@0:       content = getPEMString(cert);
michael@0:       break;
michael@0:   }
michael@0:   var msg;
michael@0:   var written = 0;
michael@0:   try {
michael@0:     var file = Components.classes["@mozilla.org/file/local;1"].
michael@0:                createInstance(Components.interfaces.nsILocalFile);
michael@0:     file.initWithPath(fp.file.path);
michael@0:     var fos = Components.classes["@mozilla.org/network/file-output-stream;1"].
michael@0:               createInstance(Components.interfaces.nsIFileOutputStream);
michael@0:     // flags: PR_WRONLY | PR_CREATE_FILE | PR_TRUNCATE
michael@0:     fos.init(file, 0x02 | 0x08 | 0x20, 00644, 0);
michael@0:     written = fos.write(content, content.length);
michael@0:     fos.close();
michael@0:   }
michael@0:   catch(e) {
michael@0:     switch (e.result) {
michael@0:       case Components.results.NS_ERROR_FILE_ACCESS_DENIED:
michael@0:         msg = bundle.getString("writeFileAccessDenied");
michael@0:         break;
michael@0:       case Components.results.NS_ERROR_FILE_IS_LOCKED:
michael@0:         msg = bundle.getString("writeFileIsLocked");
michael@0:         break;
michael@0:       case Components.results.NS_ERROR_FILE_NO_DEVICE_SPACE:
michael@0:       case Components.results.NS_ERROR_FILE_DISK_FULL:
michael@0:         msg = bundle.getString("writeFileNoDeviceSpace");
michael@0:         break;
michael@0:       default:
michael@0:         msg = e.message;
michael@0:         break;
michael@0:     }
michael@0:   }
michael@0:   if (written != content.length) {
michael@0:     if (!msg.length)
michael@0:       msg = bundle.getString("writeFileUnknownError");
michael@0:     alertPromptService(bundle.getString("writeFileFailure"),
michael@0:                        bundle.getFormattedString("writeFileFailed",
michael@0:                        [fp.file.path, msg]));
michael@0:   }
michael@0: }