tls: remove prototype primordials

Co-authored-by: Yagiz Nizipli <[email protected]>
PR-URL: #53699
Reviewed-By: Moshe Atlow <[email protected]>
Reviewed-By: Yagiz Nizipli <[email protected]>
Reviewed-By: Marco Ippolito <[email protected]>
Reviewed-By: Luigi Pinca <[email protected]>
Reviewed-By: Benjamin Gruenbaum <[email protected]>
Reviewed-By: Matteo Collina <[email protected]>
Reviewed-By: Rafael Gonzaga <[email protected]>
Reviewed-By: Chemi Atlow <[email protected]>
Reviewed-By: James M Snell <[email protected]>

Author: aduh95

doc/contributing/primordials.md

@@ -9,6 +9,7 @@ important than reliability against prototype pollution:
 
 * `node:http`
 * `node:http2`
+* `node:tls`
 
 Usage of primordials should be preferred for new code in other areas, but
 replacing current code with primordials should be

lib/_tls_common.js

@@ -22,9 +22,7 @@
 'use strict';
 
 const {
-  ArrayPrototypePush,
   JSONParse,
-  RegExpPrototypeSymbolReplace,
 } = primordials;
 
 const tls = require('tls');
@@ -133,21 +131,21 @@ function translatePeerCertificate(c) {
     c.infoAccess = { __proto__: null };
 
     // XXX: More key validation?
-    RegExpPrototypeSymbolReplace(/([^\n:]*):([^\n]*)(?:\n|$)/g, info,
-                                 (all, key, val) => {
-                                   if (val.charCodeAt(0) === 0x22) {
-                                     // The translatePeerCertificate function is only
-                                     // used on internally created legacy certificate
-                                     // objects, and any value that contains a quote
-                                     // will always be a valid JSON string literal,
-                                     // so this should never throw.
-                                     val = JSONParse(val);
-                                   }
-                                   if (key in c.infoAccess)
-                                     ArrayPrototypePush(c.infoAccess[key], val);
-                                   else
-                                     c.infoAccess[key] = [val];
-                                 });
+    info.replace(/([^\n:]*):([^\n]*)(?:\n|$)/g,
+                 (all, key, val) => {
+                   if (val.charCodeAt(0) === 0x22) {
+                     // The translatePeerCertificate function is only
+                     // used on internally created legacy certificate
+                     // objects, and any value that contains a quote
+                     // will always be a valid JSON string literal,
+                     // so this should never throw.
+                     val = JSONParse(val);
+                   }
+                   if (key in c.infoAccess)
+                     c.infoAccess[key].push(val);
+                   else
+                     c.infoAccess[key] = [val];
+                 });
   }
   return c;
 }

lib/_tls_wrap.js

@@ -22,19 +22,11 @@
 'use strict';
 
 const {
-  ArrayPrototypeForEach,
-  ArrayPrototypeJoin,
-  ArrayPrototypePush,
-  FunctionPrototype,
   ObjectAssign,
   ObjectDefineProperty,
   ObjectSetPrototypeOf,
   ReflectApply,
   RegExp,
-  RegExpPrototypeExec,
-  RegExpPrototypeSymbolReplace,
-  StringPrototypeReplaceAll,
-  StringPrototypeSlice,
   Symbol,
   SymbolFor,
 } = primordials;
@@ -119,7 +111,7 @@ const kPskIdentityHint = Symbol('pskidentityhint');
 const kPendingSession = Symbol('pendingSession');
 const kIsVerified = Symbol('verified');
 
-const noop = FunctionPrototype;
+const noop = () => {};
 
 let ipServernameWarned = false;
 let tlsTracingWarned = false;
@@ -475,8 +467,7 @@ function onerror(err) {
     owner.destroy(err);
   } else if (owner._tlsOptions?.isServer &&
              owner._rejectUnauthorized &&
-             RegExpPrototypeExec(/peer did not return a certificate/,
-                                 err.message) !== null) {
+             /peer did not return a certificate/.test(err.message)) {
     // Ignore server's authorization errors
     owner.destroy();
   } else {
@@ -1162,7 +1153,7 @@ function makeSocketMethodProxy(name) {
   };
 }
 
-ArrayPrototypeForEach([
+[
   'getCipher',
   'getSharedSigalgs',
   'getEphemeralKeyInfo',
@@ -1173,7 +1164,7 @@ ArrayPrototypeForEach([
   'getTLSTicket',
   'isSessionReused',
   'enableTrace',
-], (method) => {
+].forEach((method) => {
   TLSSocket.prototype[method] = makeSocketMethodProxy(method);
 });
 
@@ -1470,10 +1461,10 @@ Server.prototype.setSecureContext = function(options) {
   if (options.sessionIdContext) {
     this.sessionIdContext = options.sessionIdContext;
   } else {
-    this.sessionIdContext = StringPrototypeSlice(
-      crypto.createHash('sha1')
-        .update(ArrayPrototypeJoin(process.argv, ' '))
-        .digest('hex'), 0, 32);
+    this.sessionIdContext = crypto.createHash('sha1')
+      .update(process.argv.join(' '))
+      .digest('hex')
+      .slice(0, 32);
   }
 
   if (options.sessionTimeout)
@@ -1568,10 +1559,10 @@ Server.prototype.setOptions = deprecate(function(options) {
   if (options.sessionIdContext) {
     this.sessionIdContext = options.sessionIdContext;
   } else {
-    this.sessionIdContext = StringPrototypeSlice(
-      crypto.createHash('sha1')
-        .update(ArrayPrototypeJoin(process.argv, ' '))
-        .digest('hex'), 0, 32);
+    this.sessionIdContext = crypto.createHash('sha1')
+      .update(process.argv.join(' '))
+      .digest('hex')
+      .slice(0, 32);
   }
   if (options.pskCallback) this[kPskCallback] = options.pskCallback;
   if (options.pskIdentityHint) this[kPskIdentityHint] = options.pskIdentityHint;
@@ -1588,14 +1579,15 @@ Server.prototype.addContext = function(servername, context) {
     throw new ERR_TLS_REQUIRED_SERVER_NAME();
   }
 
-  const re = new RegExp('^' + StringPrototypeReplaceAll(
-    RegExpPrototypeSymbolReplace(/([.^$+?\-\\[\]{}])/g, servername, '\\$1'),
-    '*', '[^.]*',
-  ) + '$');
+  const re = new RegExp(`^${
+    servername
+      .replace(/([.^$+?\-\\[\]{}])/g, '\\$1')
+      .replaceAll('*', '[^.]*')
+  }$`);
 
   const secureContext =
     context instanceof common.SecureContext ? context : tls.createSecureContext(context);
-  ArrayPrototypePush(this._contexts, [re, secureContext.context]);
+  this._contexts.push([re, secureContext.context]);
 };
 
 Server.prototype[EE.captureRejectionSymbol] = function(
@@ -1616,7 +1608,7 @@ function SNICallback(servername, callback) {
 
   for (let i = contexts.length - 1; i >= 0; --i) {
     const elem = contexts[i];
-    if (RegExpPrototypeExec(elem[0], servername) !== null) {
+    if (elem[0].test(servername)) {
       callback(null, elem[1]);
       return;
     }

lib/eslint.config_partial.mjs

@@ -492,16 +492,18 @@ export default [
   {
     files: [
       'lib/_http_*.js',
+      'lib/_tls_*.js',
       'lib/http.js',
       'lib/http2.js',
       'lib/internal/http.js',
       'lib/internal/http2/*.js',
+      'lib/tls.js',
     ],
     rules: {
       'no-restricted-syntax': [
         ...noRestrictedSyntax,
         {
-          selector: 'VariableDeclarator:has(.init[name="primordials"]) Identifier[name=/Prototype/]:not([name=/^(Object|Reflect)(Get|Set)PrototypeOf$/])',
+          selector: 'VariableDeclarator:has(.init[name="primordials"]) Identifier[name=/Prototype[A-Z]/]:not([name=/^(Object|Reflect)(Get|Set)PrototypeOf$/])',
           message: 'We do not use prototype primordials in this file',
         },
       ],

lib/tls.js

@@ -24,26 +24,10 @@
 const {
   Array,
   ArrayIsArray,
-  ArrayPrototypeForEach,
-  ArrayPrototypeIncludes,
-  ArrayPrototypeJoin,
-  ArrayPrototypePush,
-  ArrayPrototypeReduce,
-  ArrayPrototypeSome,
   JSONParse,
   ObjectDefineProperty,
   ObjectFreeze,
-  RegExpPrototypeExec,
-  RegExpPrototypeSymbolReplace,
   StringFromCharCode,
-  StringPrototypeCharCodeAt,
-  StringPrototypeEndsWith,
-  StringPrototypeIncludes,
-  StringPrototypeIndexOf,
-  StringPrototypeSlice,
-  StringPrototypeSplit,
-  StringPrototypeStartsWith,
-  StringPrototypeSubstring,
 } = primordials;
 
 const {
@@ -122,7 +106,7 @@ ObjectDefineProperty(exports, 'rootCertificates', {
 // ("\x06spdy/2\x08http/1.1\x08http/1.0")
 function convertProtocols(protocols) {
   const lens = new Array(protocols.length);
-  const buff = Buffer.allocUnsafe(ArrayPrototypeReduce(protocols, (p, c, i) => {
+  const buff = Buffer.allocUnsafe(protocols.reduce((p, c, i) => {
     const len = Buffer.byteLength(c);
     if (len > 255) {
       throw new ERR_OUT_OF_RANGE('The byte length of the protocol at index ' +
@@ -158,20 +142,17 @@ exports.convertALPNProtocols = function convertALPNProtocols(protocols, out) {
 };
 
 function unfqdn(host) {
-  return RegExpPrototypeSymbolReplace(/[.]$/, host, '');
+  return host.replace(/[.]$/, '');
 }
 
 // String#toLowerCase() is locale-sensitive so we use
 // a conservative version that only lowercases A-Z.
 function toLowerCase(c) {
-  return StringFromCharCode(32 + StringPrototypeCharCodeAt(c, 0));
+  return StringFromCharCode(32 + c.charCodeAt(0));
 }
 
 function splitHost(host) {
-  return StringPrototypeSplit(
-    RegExpPrototypeSymbolReplace(/[A-Z]/g, unfqdn(host), toLowerCase),
-    '.',
-  );
+  return unfqdn(host).replace(/[A-Z]/g, toLowerCase).split('.');
 }
 
 function check(hostParts, pattern, wildcards) {
@@ -185,15 +166,15 @@ function check(hostParts, pattern, wildcards) {
     return false;
 
   // Pattern has empty components, e.g. "bad..example.com".
-  if (ArrayPrototypeIncludes(patternParts, ''))
+  if (patternParts.includes(''))
     return false;
 
   // RFC 6125 allows IDNA U-labels (Unicode) in names but we have no
   // good way to detect their encoding or normalize them so we simply
   // reject them.  Control characters and blanks are rejected as well
   // because nothing good can come from accepting them.
-  const isBad = (s) => RegExpPrototypeExec(/[^\u0021-\u007F]/u, s) !== null;
-  if (ArrayPrototypeSome(patternParts, isBad))
+  const isBad = (s) => /[^\u0021-\u007F]/u.test(s);
+  if (patternParts.some(isBad))
     return false;
 
   // Check host parts from right to left first.
@@ -204,13 +185,13 @@ function check(hostParts, pattern, wildcards) {
 
   const hostSubdomain = hostParts[0];
   const patternSubdomain = patternParts[0];
-  const patternSubdomainParts = StringPrototypeSplit(patternSubdomain, '*');
+  const patternSubdomainParts = patternSubdomain.split('*');
 
   // Short-circuit when the subdomain does not contain a wildcard.
   // RFC 6125 does not allow wildcard substitution for components
   // containing IDNA A-labels (Punycode) so match those verbatim.
   if (patternSubdomainParts.length === 1 ||
-      StringPrototypeIncludes(patternSubdomain, 'xn--'))
+      patternSubdomain.includes('xn--'))
     return hostSubdomain === patternSubdomain;
 
   if (!wildcards)
@@ -229,10 +210,10 @@ function check(hostParts, pattern, wildcards) {
   if (prefix.length + suffix.length > hostSubdomain.length)
     return false;
 
-  if (!StringPrototypeStartsWith(hostSubdomain, prefix))
+  if (!hostSubdomain.startsWith(prefix))
     return false;
 
-  if (!StringPrototypeEndsWith(hostSubdomain, suffix))
+  if (!hostSubdomain.endsWith(suffix))
     return false;
 
   return true;
@@ -250,30 +231,29 @@ function splitEscapedAltNames(altNames) {
   let currentToken = '';
   let offset = 0;
   while (offset !== altNames.length) {
-    const nextSep = StringPrototypeIndexOf(altNames, ', ', offset);
-    const nextQuote = StringPrototypeIndexOf(altNames, '"', offset);
+    const nextSep = altNames.indexOf(',', offset);
+    const nextQuote = altNames.indexOf('"', offset);
     if (nextQuote !== -1 && (nextSep === -1 || nextQuote < nextSep)) {
       // There is a quote character and there is no separator before the quote.
-      currentToken += StringPrototypeSubstring(altNames, offset, nextQuote);
-      const match = RegExpPrototypeExec(
-        jsonStringPattern, StringPrototypeSubstring(altNames, nextQuote));
+      currentToken += altNames.substring(offset, nextQuote);
+      const match = jsonStringPattern.exec(altNames.substring(nextQuote));
       if (!match) {
         throw new ERR_TLS_CERT_ALTNAME_FORMAT();
       }
       currentToken += JSONParse(match[0]);
       offset = nextQuote + match[0].length;
     } else if (nextSep !== -1) {
       // There is a separator and no quote before it.
-      currentToken += StringPrototypeSubstring(altNames, offset, nextSep);
-      ArrayPrototypePush(result, currentToken);
+      currentToken += altNames.substring(offset, nextSep);
+      result.push(currentToken);
       currentToken = '';
       offset = nextSep + 2;
     } else {
-      currentToken += StringPrototypeSubstring(altNames, offset);
+      currentToken += altNames.substring(offset);
       offset = altNames.length;
     }
   }
-  ArrayPrototypePush(result, currentToken);
+  result.push(currentToken);
   return result;
 }
 
@@ -286,14 +266,14 @@ exports.checkServerIdentity = function checkServerIdentity(hostname, cert) {
   hostname = '' + hostname;
 
   if (altNames) {
-    const splitAltNames = StringPrototypeIncludes(altNames, '"') ?
+    const splitAltNames = altNames.includes('"') ?
       splitEscapedAltNames(altNames) :
-      StringPrototypeSplit(altNames, ', ');
-    ArrayPrototypeForEach(splitAltNames, (name) => {
-      if (StringPrototypeStartsWith(name, 'DNS:')) {
-        ArrayPrototypePush(dnsNames, StringPrototypeSlice(name, 4));
-      } else if (StringPrototypeStartsWith(name, 'IP Address:')) {
-        ArrayPrototypePush(ips, canonicalizeIP(StringPrototypeSlice(name, 11)));
+      altNames.split(', ');
+    splitAltNames.forEach((name) => {
+      if (name.startsWith('DNS:')) {
+        dnsNames.push(name.slice(4));
+      } else if (name.startsWith('IP Address:')) {
+        ips.push(canonicalizeIP(name.slice(11)));
       }
     });
   }
@@ -304,16 +284,15 @@ exports.checkServerIdentity = function checkServerIdentity(hostname, cert) {
   hostname = unfqdn(hostname);  // Remove trailing dot for error messages.
 
   if (net.isIP(hostname)) {
-    valid = ArrayPrototypeIncludes(ips, canonicalizeIP(hostname));
+    valid = ips.includes(canonicalizeIP(hostname));
     if (!valid)
-      reason = `IP: ${hostname} is not in the cert's list: ` +
-               ArrayPrototypeJoin(ips, ', ');
+      reason = `IP: ${hostname} is not in the cert's list: ` + ips.join(', ');
   } else if (dnsNames.length > 0 || subject?.CN) {
     const hostParts = splitHost(hostname);
     const wildcard = (pattern) => check(hostParts, pattern, true);
 
     if (dnsNames.length > 0) {
-      valid = ArrayPrototypeSome(dnsNames, wildcard);
+      valid = dnsNames.some(wildcard);
       if (!valid)
         reason =
           `Host: ${hostname}. is not in the cert's altnames: ${altNames}`;
@@ -322,7 +301,7 @@ exports.checkServerIdentity = function checkServerIdentity(hostname, cert) {
       const cn = subject.CN;
 
       if (ArrayIsArray(cn))
-        valid = ArrayPrototypeSome(cn, wildcard);
+        valid = cn.some(wildcard);
       else if (cn)
         valid = wildcard(cn);