Remove unused code in util package (#368)

SharezoneApp · Feb 23, 2023 · 29c0cad · 29c0cad
1 parent 3fd0840
commit 29c0cad
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Showing 5 changed files with 0 additions and 193 deletions.
diff --git a/lib/util/lib/src/decoding_encoding_helper.dart b/lib/util/lib/src/decoding_encoding_helper.dart
diff --git a/lib/util/lib/src/encryption/rsa_pem.dart b/lib/util/lib/src/encryption/rsa_pem.dart
@@ -15,48 +15,6 @@ import 'package:rsa_pkcs/rsa_pkcs.dart' as pkcs;
 
 import 'rsa_encryption.dart' as rsa_encryptable;
 
-List<int> decodePEM(String pem) {
-  var startsWith = [
-    "-----BEGIN PUBLIC KEY-----",
-    "-----BEGIN PRIVATE KEY-----",
-    "-----BEGIN RSA PUBLIC KEY-----",
-    "-----BEGIN RSA PRIVATE KEY-----",
-    "-----BEGIN PGP PUBLIC KEY BLOCK-----\r\nVersion: React-Native-OpenPGP.js 0.1\r\nComment: http://openpgpjs.org\r\n\r\n",
-    "-----BEGIN PGP PRIVATE KEY BLOCK-----\r\nVersion: React-Native-OpenPGP.js 0.1\r\nComment: http://openpgpjs.org\r\n\r\n",
-  ];
-  var endsWith = [
-    "-----END PUBLIC KEY-----",
-    "-----END PRIVATE KEY-----",
-    "-----END RSA PUBLIC KEY-----",
-    "-----END RSA PRIVATE KEY-----",
-    "-----END PGP PUBLIC KEY BLOCK-----",
-    "-----END PGP PRIVATE KEY BLOCK-----",
-  ];
-  bool isOpenPgp = pem.indexOf('BEGIN PGP') != -1;
-
-  for (var s in startsWith) {
-    if (pem.startsWith(s)) {
-      pem = pem.substring(s.length);
-    }
-  }
-
-  for (var s in endsWith) {
-    if (pem.endsWith(s)) {
-      pem = pem.substring(0, pem.length - s.length);
-    }
-  }
-
-  if (isOpenPgp) {
-    var index = pem.indexOf('\r\n');
-    pem = pem.substring(0, index);
-  }
-
-  pem = pem.replaceAll('\n', '');
-  pem = pem.replaceAll('\r', '');
-
-  return base64.decode(pem);
-}
-
 class RsaKeyHelper {
   AsymmetricKeyPair<PublicKey, PrivateKey> generateKeyPair() {
     var keyParams =
@@ -99,16 +57,6 @@ class RsaKeyHelper {
     final parser = pkcs.RSAPKCSParser();
     final parserResult = parser.parsePEM(privateKey);
     final private = parserResult.private!;
-    /*
-    print("modulus: ${private.modulus}");
-    print("publicExponent: ${private.publicExponent}");
-    print("privateExponent: ${private.privateExponent}");
-    print("exponent1: ${private.exponent1}");
-    print("exponent2: ${private.exponent2}");
-    print("Prime1: ${private.prime1}");
-    print("Prime2: ${private.prime2}");
-    print("coefficient: ${private.coefficient}");
-    */
 
     final privateKeyObject = RSAPrivateKey(
       private.modulus,
@@ -124,53 +72,6 @@ class RsaKeyHelper {
         privateKeyObject, publicKeyObject);
   }
 
-  parsePublicKeyFromPem(pemString) {
-    List<int> publicKeyDER = decodePEM(pemString);
-    var asn1Parser = new ASN1Parser(publicKeyDER as Uint8List);
-    var topLevelSeq = asn1Parser.nextObject() as ASN1Sequence;
-    var publicKeyBitString = topLevelSeq.elements[1];
-
-    var publicKeyAsn = new ASN1Parser(publicKeyBitString.contentBytes()!);
-    ASN1Sequence publicKeySeq = publicKeyAsn.nextObject() as ASN1Sequence;
-    var modulus = publicKeySeq.elements[0] as ASN1Integer;
-    var exponent = publicKeySeq.elements[1] as ASN1Integer;
-
-    RSAPublicKey rsaPublicKey =
-        RSAPublicKey(modulus.valueAsBigInteger!, exponent.valueAsBigInteger!);
-
-    return rsaPublicKey;
-  }
-
-  parsePrivateKeyFromPem(pemString) {
-    List<int> privateKeyDER = decodePEM(pemString);
-    var asn1Parser = new ASN1Parser(privateKeyDER as Uint8List);
-    var topLevelSeq = asn1Parser.nextObject() as ASN1Sequence;
-    // var version = topLevelSeq.elements[0];
-    // var algorithm = topLevelSeq.elements[1];
-    var privateKey = topLevelSeq.elements[2];
-
-    asn1Parser = new ASN1Parser(privateKey.contentBytes()!);
-    var pkSeq = asn1Parser.nextObject() as ASN1Sequence;
-
-    // version = pkSeq.elements[0];
-    var modulus = pkSeq.elements[1] as ASN1Integer;
-    // var publicExponent = pkSeq.elements[2] as ASN1Integer;
-    var privateExponent = pkSeq.elements[3] as ASN1Integer;
-    var p = pkSeq.elements[4] as ASN1Integer;
-    var q = pkSeq.elements[5] as ASN1Integer;
-    // var exp1 = pkSeq.elements[6] as ASN1Integer;
-    // var exp2 = pkSeq.elements[7] as ASN1Integer;
-    // var co = pkSeq.elements[8] as ASN1Integer;
-
-    RSAPrivateKey rsaPrivateKey = RSAPrivateKey(
-        modulus.valueAsBigInteger!,
-        privateExponent.valueAsBigInteger!,
-        p.valueAsBigInteger,
-        q.valueAsBigInteger);
-
-    return rsaPrivateKey;
-  }
-
   encodePublicKeyToPem(RSAPublicKey publicKey) {
     var algorithmSeq = new ASN1Sequence();
     var algorithmAsn1Obj = new ASN1Object.fromBytes(Uint8List.fromList(

diff --git a/lib/util/lib/src/logging.dart b/lib/util/lib/src/logging.dart
diff --git a/lib/util/lib/src/string_helper.dart b/lib/util/lib/src/string_helper.dart
@@ -6,12 +6,6 @@
 //
 // SPDX-License-Identifier: EUPL-1.2
 
-bool isNotEmptyOrNull(String? value) => !isEmptyOrNull(value);
-
-bool isEmptyOrNull(String? value) {
-  return value == null || value.isEmpty;
-}
-
 void throwIfNullOrEmpty(String string, [String? name]) {
   ArgumentError.checkNotNull(string, name);
   if (string.isEmpty) {

diff --git a/lib/util/lib/util.dart b/lib/util/lib/util.dart
@@ -8,6 +8,4 @@
 
 library util;
 
-export 'src/decoding_encoding_helper.dart';
 export 'src/string_helper.dart';
-export 'src/logging.dart';