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-rw-r--r--app/src/main/java/se/leap/bitmaskclient/base/utils/ConfigHelper.java13
-rw-r--r--app/src/test/java/se/leap/bitmaskclient/base/utils/ConfigHelperTest.java48
2 files changed, 60 insertions, 1 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 4248072a..005a8b82 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
@@ -44,10 +44,12 @@ import java.security.interfaces.RSAPrivateKey;
import java.security.spec.InvalidKeySpecException;
import java.security.spec.PKCS8EncodedKeySpec;
import java.util.Calendar;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
import se.leap.bitmaskclient.BuildConfig;
-import se.leap.bitmaskclient.providersetup.ProviderAPI;
import se.leap.bitmaskclient.R;
+import se.leap.bitmaskclient.providersetup.ProviderAPI;
import static se.leap.bitmaskclient.base.models.Constants.DEFAULT_BITMASK;
@@ -62,6 +64,7 @@ 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])$");
public static boolean checkErroneousDownload(String downloadedString) {
try {
@@ -227,4 +230,12 @@ public class ConfigHelper {
}
}
+ public static boolean isIPv4(String ipv4) {
+ if (ipv4 == null) {
+ return false;
+ }
+ Matcher matcher = IPv4_PATTERN.matcher(ipv4);
+ return matcher.matches();
+ }
+
}
diff --git a/app/src/test/java/se/leap/bitmaskclient/base/utils/ConfigHelperTest.java b/app/src/test/java/se/leap/bitmaskclient/base/utils/ConfigHelperTest.java
new file mode 100644
index 00000000..75552226
--- /dev/null
+++ b/app/src/test/java/se/leap/bitmaskclient/base/utils/ConfigHelperTest.java
@@ -0,0 +1,48 @@
+package se.leap.bitmaskclient.base.utils;
+
+import com.tngtech.java.junit.dataprovider.DataProvider;
+import com.tngtech.java.junit.dataprovider.DataProviderRunner;
+import com.tngtech.java.junit.dataprovider.UseDataProvider;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.powermock.modules.junit4.PowerMockRunner;
+import org.powermock.modules.junit4.PowerMockRunnerDelegate;
+
+import static org.junit.Assert.assertEquals;
+
+@RunWith(PowerMockRunner.class)
+@PowerMockRunnerDelegate(DataProviderRunner.class)
+public class ConfigHelperTest {
+
+ @DataProvider
+ public static Object[][] dataProviderIPs() {
+ // @formatter:off
+ return new Object[][] {
+ { "0.0.0.0", true },
+ { "1.1.1.1", true },
+ { "8.8.8.8", true },
+ { "127.0.0.1", true },
+ { "255.255.255.255", true },
+ { "200.50.20.10", true },
+ { "97.72.15.12", true },
+ {"02.0.0.0", false},
+ {"10.000.1.1", false},
+ {"256.256.256.256", false},
+ {"127..0.1", false},
+ {"127.0..1", false},
+ {"127.0.0.", false},
+ {"127.0.0", false},
+ {"255.255.255.255.255", false},
+ {"", false},
+ {null, false},
+ };
+ }
+
+
+ @Test
+ @UseDataProvider("dataProviderIPs")
+ public void testisIPv4_validIPs_returnsTrue(String ip, boolean isValidExpected) {
+ assertEquals(isValidExpected, ConfigHelper.isIPv4(ip));
+ }
+} \ No newline at end of file