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-rw-r--r--app/src/main/java/se/leap/bitmaskclient/base/utils/ConfigHelper.java33
1 files changed, 18 insertions, 15 deletions
diff --git a/app/src/main/java/se/leap/bitmaskclient/base/utils/ConfigHelper.java b/app/src/main/java/se/leap/bitmaskclient/base/utils/ConfigHelper.java
index 27943022..ca1261a8 100644
--- a/app/src/main/java/se/leap/bitmaskclient/base/utils/ConfigHelper.java
+++ b/app/src/main/java/se/leap/bitmaskclient/base/utils/ConfigHelper.java
@@ -16,6 +16,8 @@
*/
package se.leap.bitmaskclient.base.utils;
+import static se.leap.bitmaskclient.base.models.Constants.DEFAULT_BITMASK;
+
import android.content.Context;
import android.content.res.Resources;
import android.os.Build;
@@ -37,7 +39,6 @@ import java.security.KeyFactory;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.security.NoSuchProviderException;
-import java.security.cert.Certificate;
import java.security.cert.CertificateEncodingException;
import java.security.cert.CertificateException;
import java.security.cert.CertificateFactory;
@@ -47,7 +48,6 @@ import java.security.spec.InvalidKeySpecException;
import java.security.spec.PKCS8EncodedKeySpec;
import java.util.ArrayList;
import java.util.Calendar;
-import java.util.Collection;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
@@ -55,20 +55,20 @@ import se.leap.bitmaskclient.BuildConfig;
import se.leap.bitmaskclient.R;
import se.leap.bitmaskclient.providersetup.ProviderAPI;
-import static se.leap.bitmaskclient.base.models.Constants.DEFAULT_BITMASK;
-
/**
* Stores constants, and implements auxiliary methods used across all Bitmask Android classes.
* Wraps BuildConfigFields for to support easier unit testing
*
* @author parmegv
* @author MeanderingCode
+ * @author cyberta
*/
public class ConfigHelper {
final public static String NG_1024 =
"eeaf0ab9adb38dd69c33f80afa8fc5e86072618775ff3c0b9ea2314c9c256576d674df7496ea81d3383b4813d692c6e0e0d5d8e250b98be48e495c1d6089dad15dc7d7b46154d6b6ce8ef4ad69b15d4982559b297bcf1885c529f566660e57ec68edbc3c05726cc02fd4cbf4976eaa9afd5138fe8376435b9fc61d2fc0eb06e3";
final public static BigInteger G = new BigInteger("2");
final public static Pattern IPv4_PATTERN = Pattern.compile("^(?:(?:25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9][0-9]|[0-9])\\.){3}(?:25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9][0-9]|[0-9])$");
+ final public static Pattern PEM_CERTIFICATE_PATTERN = Pattern.compile("((-----BEGIN CERTIFICATE-----)([A-Za-z0-9+/=\\n]+)(-----END CERTIFICATE-----)+)");
public static boolean checkErroneousDownload(String downloadedString) {
try {
@@ -103,23 +103,26 @@ public class ConfigHelper {
}
public static ArrayList<X509Certificate> parseX509CertificatesFromString(String certificateString) {
- Collection<? extends Certificate> certificates;
+ ArrayList<X509Certificate> certificates = new ArrayList<>();
CertificateFactory cf;
try {
cf = CertificateFactory.getInstance("X.509");
- certificateString = certificateString.replaceAll("-----BEGIN CERTIFICATE-----", "").trim().replaceAll("-----END CERTIFICATE-----", "").trim();
- byte[] certBytes = Base64.decode(certificateString);
- try (InputStream caInput = new ByteArrayInputStream(certBytes)) {
- certificates = cf.generateCertificates(caInput);
- if (certificates != null) {
- for (Certificate cert : certificates) {
- System.out.println("ca=" + ((X509Certificate) cert).getSubjectDN());
- }
- return (ArrayList<X509Certificate>) certificates;
+ Matcher matcher = PEM_CERTIFICATE_PATTERN.matcher(certificateString);
+ while (matcher.find()) {
+ String certificate = matcher.group(3);
+ if (certificate == null) continue;
+ byte[] certBytes = Base64.decode(certificate.trim());
+ try (InputStream caInput = new ByteArrayInputStream(certBytes)) {
+ X509Certificate x509certificate = (X509Certificate) cf.generateCertificate(caInput);
+ certificates.add(x509certificate);
+ System.out.println("ca=" + x509certificate.getSubjectDN() + ", SAN= " + x509certificate.getSubjectAlternativeNames());
+ } catch (IOException | CertificateException | NullPointerException | IllegalArgumentException | ClassCastException e) {
+ e.printStackTrace();
}
}
- } catch (NullPointerException | CertificateException | IOException | IllegalArgumentException | ClassCastException e) {
+ return certificates;
+ } catch (CertificateException e) {
e.printStackTrace();
}