add CredentialsParser which is responsible to parse the reponse from /api/5/openvpn/cert endpoint

1 files changed, 66 insertions, 0 deletions

diff --git a/app/src/main/java/se/leap/bitmaskclient/base/utils/CredentialsParser.java b/app/src/main/java/se/leap/bitmaskclient/base/utils/CredentialsParser.java
new file mode 100644
index 00000000..e02922fc
--- /dev/null
+++ b/app/src/main/java/se/leap/bitmaskclient/base/utils/CredentialsParser.java
@@ -0,0 +1,66 @@
+package se.leap.bitmaskclient.base.utils;
+
+import org.xmlpull.v1.XmlPullParser;
+import org.xmlpull.v1.XmlPullParserException;
+import org.xmlpull.v1.XmlPullParserFactory;
+
+import java.io.IOException;
+import java.io.StringReader;
+
+import se.leap.bitmaskclient.base.models.Provider;
+
+public class CredentialsParser {
+
+    public static void parseXml(String xmlString, Provider provider) throws XmlPullParserException, IOException {
+            XmlPullParserFactory factory = XmlPullParserFactory.newInstance();
+            XmlPullParser parser = factory.newPullParser();
+            parser.setInput(new StringReader(xmlString));
+
+            String currentTag = null;
+            String ca = null;
+            String key = null;
+            String cert = null;
+
+            int eventType = parser.getEventType();
+            while (eventType != XmlPullParser.END_DOCUMENT) {
+                switch (eventType) {
+                    case XmlPullParser.START_TAG -> currentTag = parser.getName();
+                    case XmlPullParser.TEXT -> {
+                        if (currentTag != null) {
+                            switch (currentTag) {
+                                case "ca" -> {
+                                    ca = parser.getText();
+                                    ca = ca.replaceAll("-----BEGIN CERTIFICATE-----", "");
+                                    ca = ca.replaceAll("-----END CERTIFICATE-----", "");
+                                    ca = ca.trim();
+                                }
+                                case "key" -> {
+                                    key = parser.getText();
+                                    key = key.replaceAll("-----BEGIN PRIVATE KEY-----", "");
+                                    key = key.replaceAll("-----BEGIN RSA PRIVATE KEY-----", "");
+                                    key = key.replaceAll("-----END PRIVATE KEY-----", "");
+                                    key = key.replaceAll("-----END RSA PRIVATE KEY-----", "");
+                                    key = key.trim();
+                                }
+                                case "cert" -> {
+                                    cert = parser.getText();
+                                    cert = cert.replaceAll("-----BEGIN CERTIFICATE-----", "");
+                                    cert = cert.replaceAll("-----END CERTIFICATE-----", "");
+                                    cert = cert.trim();
+                                }
+                            }
+                        }
+                    }
+                    case XmlPullParser.END_TAG -> currentTag = null;
+                }
+                eventType = parser.next();
+            }
+
+            provider.setCaCert(ca);
+            provider.setPrivateKeyString(key);
+            provider.setVpnCertificate(cert);
+
+   }
+}
+
+