Add Bitwarden importer

Added license notice for Simple Flat Mapper

Added Steam secret support to Bitwarden importer

https://bitwarden.com/help/authenticator-keys/#steam-guard-totps

Added tests

app/build.gradle

@@ -172,6 +172,7 @@ dependencies {
     implementation 'net.lingala.zip4j:zip4j:2.10.0'
     implementation 'info.guardianproject.trustedintents:trustedintents:0.2'
     implementation 'org.bouncycastle:bcprov-jdk15on:1.70'
+    implementation "org.simpleflatmapper:sfm-csv:8.2.3"
 
     androidTestAnnotationProcessor "com.google.dagger:hilt-android-compiler:$hiltVersion"
     androidTestImplementation "com.google.dagger:hilt-android-testing:$hiltVersion"

app/src/main/java/com/beemdevelopment/aegis/importers/BitwardenImporter.java

@@ -0,0 +1,117 @@
+package com.beemdevelopment.aegis.importers;
+
+import android.content.Context;
+import android.net.Uri;
+
+import com.beemdevelopment.aegis.encoding.Base32;
+import com.beemdevelopment.aegis.encoding.EncodingException;
+import com.beemdevelopment.aegis.otp.GoogleAuthInfo;
+import com.beemdevelopment.aegis.otp.GoogleAuthInfoException;
+import com.beemdevelopment.aegis.otp.OtpInfoException;
+import com.beemdevelopment.aegis.otp.SteamInfo;
+import com.beemdevelopment.aegis.util.IOUtils;
+import com.beemdevelopment.aegis.vault.VaultEntry;
+import com.topjohnwu.superuser.io.SuFile;
+
+import org.json.JSONArray;
+import org.json.JSONException;
+import org.json.JSONObject;
+import org.simpleflatmapper.csv.CsvParser;
+import org.simpleflatmapper.lightningcsv.Row;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.URISyntaxException;
+import java.nio.charset.StandardCharsets;
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.List;
+
+public class BitwardenImporter extends DatabaseImporter {
+    public BitwardenImporter(Context context) {
+        super(context);
+    }
+
+    @Override
+    protected SuFile getAppPath() {
+        throw new UnsupportedOperationException();
+    }
+
+    @Override
+    protected State read(InputStream stream, boolean isInternal) throws DatabaseImporterException {
+        String fileString;
+        try {
+            fileString = new String(IOUtils.readAll(stream), StandardCharsets.UTF_8);
+        } catch (IOException e) {
+            throw new DatabaseImporterException(e);
+        }
+        try {
+            JSONObject obj = new JSONObject(fileString);
+            JSONArray array = obj.getJSONArray("items");
+
+            List<String> entries = new ArrayList<>();
+            String entry;
+            for (int i = 0; i < array.length(); i++) {
+                entry = array.getJSONObject(i).getJSONObject("login").getString("totp");
+                if (!entry.isEmpty()) {
+                    entries.add(entry);
+                }
+            }
+
+            return new BitwardenImporter.State(entries);
+        } catch (JSONException e) {
+            try {
+                Iterator<Row> rowIterator = CsvParser.separator(',').rowIterator(fileString);
+                List<String> entries = new ArrayList<>();
+                rowIterator.forEachRemaining((row -> {
+                    String entry = row.get("login_totp");
+                    if (entry != null && !entry.isEmpty()) {
+                        entries.add(entry);
+                    }
+                }));
+                return new BitwardenImporter.State(entries);
+            } catch (IOException e2) {
+                throw new DatabaseImporterException(e2);
+            }
+        }
+    }
+
+    public static class State extends DatabaseImporter.State {
+        private final List<String> _entries;
+
+        public State(List<String> entries) {
+            super(false);
+            _entries = entries;
+        }
+
+        @Override
+        public Result convert() {
+            Result result = new Result();
+
+            for (String obj : _entries) {
+                try {
+                    VaultEntry entry = convertEntry(obj);
+                    result.addEntry(entry);
+                } catch (DatabaseImporterEntryException e) {
+                    result.addError(e);
+                }
+            }
+
+            return result;
+        }
+
+        private static VaultEntry convertEntry(String obj) throws DatabaseImporterEntryException {
+            try {
+                GoogleAuthInfo info = BitwardenImporter.parseUri(obj);
+                return new VaultEntry(info);
+            } catch (GoogleAuthInfoException | EncodingException | OtpInfoException | URISyntaxException e) {
+                throw new DatabaseImporterEntryException(e, obj);
+            }
+        }
+    }
+
+    private static GoogleAuthInfo parseUri(String obj) throws EncodingException, OtpInfoException, URISyntaxException, GoogleAuthInfoException {
+        Uri uri = Uri.parse(obj);
+        return uri.getScheme().equals("steam") ? new GoogleAuthInfo(new SteamInfo(Base32.decode(uri.getAuthority())), "Steam account", "Steam") : GoogleAuthInfo.parseUri(uri);
+    }
+}

app/src/main/java/com/beemdevelopment/aegis/importers/DatabaseImporter.java

@@ -32,6 +32,7 @@ public abstract class DatabaseImporter {
         _importers.add(new Definition("andOTP", AndOtpImporter.class, R.string.importer_help_andotp, false));
         _importers.add(new Definition("Authenticator Plus", AuthenticatorPlusImporter.class, R.string.importer_help_authenticator_plus, false));
         _importers.add(new Definition("Authy", AuthyImporter.class, R.string.importer_help_authy, true));
+        _importers.add(new Definition("Bitwarden", BitwardenImporter.class, R.string.importer_help_bitwarden, false));
         _importers.add(new Definition("Duo", DuoImporter.class, R.string.importer_help_duo, true));
         _importers.add(new Definition("FreeOTP", FreeOtpImporter.class, R.string.importer_help_freeotp, true));
         _importers.add(new Definition("FreeOTP+", FreeOtpPlusImporter.class, R.string.importer_help_freeotp_plus, true));

app/src/main/res/raw/notices.xml

@@ -66,6 +66,12 @@
         <url>https://github.com/protocolbuffers/protobuf/tree/master/java</url>
         <license>Protocol Buffers License</license>
     </notice>
+    <notice>
+        <name>Simple Flat Mapper</name>
+        <url>https://github.com/arnaudroger/SimpleFlatMapper</url>
+        <copyright>Copyright (c) 2014 Arnaud Roger</copyright>
+        <license>MIT License</license>
+    </notice>
     <notice>
         <name>TextDrawable</name>
         <url>https://github.com/amulyakhare/TextDrawable</url>

app/src/main/res/values/strings.xml

@@ -377,6 +377,7 @@
     <string name="importer_help_authenticator_plus">Supply an Authenticator Plus export file obtained through <b>Settings -> Backup &amp; Restore -> Export as Text and HTML</b>.</string>
     <string name="importer_help_authy">Supply a copy of <b>/data/data/com.authy.authy/shared_prefs/com.authy.storage.tokens.authenticator.xml</b>, located in the internal storage directory of Authy.</string>
     <string name="importer_help_andotp">Supply an andOTP export/backup file.</string>
+    <string name="importer_help_bitwarden">Supply a Bitwarden export/backup file. Encrypted files are not supported.</string>
     <string name="importer_help_duo">Supply a copy of <b>/data/data/com.duosecurity.duomobile/files/duokit/accounts.json</b>, located in the internal storage directory of DUO.</string>
     <string name="importer_help_freeotp">Supply a copy of <b>/data/data/org.fedorahosted.freeotp/shared_prefs/tokens.xml</b>, located in the internal storage directory of FreeOTP.</string>
     <string name="importer_help_freeotp_plus">Supply a FreeOTP+ export file.</string>

app/src/test/java/com/beemdevelopment/aegis/importers/DatabaseImporterTest.java

@@ -2,6 +2,7 @@ package com.beemdevelopment.aegis.importers;
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.fail;
 
@@ -168,6 +169,18 @@ public class DatabaseImporterTest {
         checkImportedAuthyEntries(entries);
     }
 
+    @Test
+    public void testImportBitwardenJson() throws IOException, DatabaseImporterException {
+        List<VaultEntry> entries = importPlain(BitwardenImporter.class, "bitwarden.json");
+        checkImportedBitwardenEntries(entries);
+    }
+
+    @Test
+    public void testImportBitwardenCsv() throws IOException, DatabaseImporterException {
+        List<VaultEntry> entries = importPlain(BitwardenImporter.class, "bitwarden.csv");
+        checkImportedBitwardenEntries(entries);
+    }
+
     @Test
     public void testImportFreeOtp() throws IOException, DatabaseImporterException, OtpInfoException {
         List<VaultEntry> entries = importPlain(FreeOtpImporter.class, "freeotp.xml");
@@ -347,6 +360,19 @@ public class DatabaseImporterTest {
         }
     }
 
+    private void checkImportedBitwardenEntries(List<VaultEntry> entries) {
+        byte[] secret, vectorSecret;
+        for (VaultEntry entry : entries) {
+            if(entry.getInfo().getTypeId().equals(SteamInfo.ID)) {
+                secret = entry.getInfo().getSecret();
+                vectorSecret = getEntryVectorBySecret(secret).getInfo().getSecret();
+                assertNotNull(String.format("Steam secret has not been found (%s)", vectorSecret));
+            } else {
+                checkImportedEntry(entry);
+            }
+        }
+    }
+
     private void checkImportedEntries(List<VaultEntry> entries) {
         for (VaultEntry entry : entries) {
             checkImportedEntry(entry);

app/src/test/resources/com/beemdevelopment/aegis/importers/bitwarden.csv

@@ -0,0 +1,5 @@
+folder,favorite,type,name,notes,fields,login_uri,login_username,login_password,login_totp
+,,login,Test 1,,,,,,otpauth://totp/Deno:Mason?secret=4SJHB4GSD43FZBAI7C2HLRJGPQ&issuer=Deno&algorithm=SHA1&digits=6&period=30
+,,login,Test 2,,,,,,otpauth://totp/SPDX:James?secret=5OM4WOOGPLQEF6UGN3CPEOOLWU&issuer=SPDX&algorithm=SHA256&digits=7&period=20
+,,login,Test 3,,,,,,otpauth://totp/Airbnb:Elijah?secret=7ELGJSGXNCCTV3O6LKJWYFV2RA&issuer=Airbnb&algorithm=SHA512&digits=8&period=50
+,,login,Test 4,,,,,,steam://JRZCL47CMXVOQMNPZR2F7J4RGI

app/src/test/resources/com/beemdevelopment/aegis/importers/bitwarden.json

@@ -0,0 +1,70 @@
+{
+  "encrypted": false,
+  "folders": [],
+  "items": [
+    {
+      "id": "ffdea2cc-923d-47a0-be99-ae7800fd51e4",
+      "organizationId": null,
+      "folderId": null,
+      "type": 1,
+      "name": "Test 1",
+      "notes": null,
+      "favorite": false,
+      "login": {
+        "uris": null,
+        "username": null,
+        "password": null,
+        "totp": "otpauth://totp/Deno:Mason?secret=4SJHB4GSD43FZBAI7C2HLRJGPQ&issuer=Deno&algorithm=SHA1&digits=6&period=30"
+      },
+      "collectionIds": null
+    },
+    {
+      "id": "0f954b25-dbe9-4b38-b8ff-ae7800fd784d",
+      "organizationId": null,
+      "folderId": null,
+      "type": 1,
+      "name": "Test 2",
+      "notes": null,
+      "favorite": false,
+      "login": {
+        "uris": null,
+        "username": null,
+        "password": null,
+        "totp": "otpauth://totp/SPDX:James?secret=5OM4WOOGPLQEF6UGN3CPEOOLWU&issuer=SPDX&algorithm=SHA256&digits=7&period=20"
+      },
+      "collectionIds": null
+    },
+    {
+      "id": "b0f3aae6-f4da-49bc-b981-ae7800fd9467",
+      "organizationId": null,
+      "folderId": null,
+      "type": 1,
+      "name": "Test 3",
+      "notes": null,
+      "favorite": false,
+      "login": {
+        "uris": null,
+        "username": null,
+        "password": null,
+        "totp": "otpauth://totp/Airbnb:Elijah?secret=7ELGJSGXNCCTV3O6LKJWYFV2RA&issuer=Airbnb&algorithm=SHA512&digits=8&period=50"
+      },
+      "collectionIds": null
+    },
+    {
+      "id": "eb10632a-3bfd-40cd-9e4c-8c01c020b944",
+      "organizationId": null,
+      "folderId": null,
+      "type": 1,
+      "name": "Test Steam",
+      "notes": null,
+      "favorite": false,
+      "login": {
+        "uris": null,
+        "username": null,
+        "password": null,
+        "totp": "steam://JRZCL47CMXVOQMNPZR2F7J4RGI"
+      },
+      "collectionIds": null
+    }
+  ]
+}