Extract lib module

[signal-cli] / src / main / java / org / asamk / signal / manager / util / Utils.java

diff --git a/src/main/java/org/asamk/signal/manager/util/Utils.java b/src/main/java/org/asamk/signal/manager/util/Utils.java
deleted file mode 100644 (file)
index fb38d01..0000000
--- a/src/main/java/org/asamk/signal/manager/util/Utils.java
+++ /dev/null
@@ -1,94 +0,0 @@
-package org.asamk.signal.manager.util;
-
-import com.fasterxml.jackson.databind.JsonNode;
-
-import org.whispersystems.libsignal.IdentityKey;
-import org.whispersystems.libsignal.fingerprint.Fingerprint;
-import org.whispersystems.libsignal.fingerprint.NumericFingerprintGenerator;
-import org.whispersystems.signalservice.api.push.SignalServiceAddress;
-import org.whispersystems.signalservice.api.util.StreamDetails;
-import org.whispersystems.signalservice.api.util.UuidUtil;
-
-import java.io.BufferedInputStream;
-import java.io.File;
-import java.io.FileInputStream;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.InvalidObjectException;
-import java.net.URLConnection;
-import java.nio.file.Files;
-
-public class Utils {
-
-    public static String getFileMimeType(File file, String defaultMimeType) throws IOException {
-        String mime = Files.probeContentType(file.toPath());
-        if (mime == null) {
-            try (InputStream bufferedStream = new BufferedInputStream(new FileInputStream(file))) {
-                mime = URLConnection.guessContentTypeFromStream(bufferedStream);
-            }
-        }
-        if (mime == null) {
-            return defaultMimeType;
-        }
-        return mime;
-    }
-
-    public static StreamDetails createStreamDetailsFromFile(File file) throws IOException {
-        InputStream stream = new FileInputStream(file);
-        final long size = file.length();
-        final String mime = getFileMimeType(file, "application/octet-stream");
-        return new StreamDetails(stream, mime, size);
-    }
-
-    public static String computeSafetyNumber(
-            boolean isUuidCapable,
-            SignalServiceAddress ownAddress,
-            IdentityKey ownIdentityKey,
-            SignalServiceAddress theirAddress,
-            IdentityKey theirIdentityKey
-    ) {
-        int version;
-        byte[] ownId;
-        byte[] theirId;
-
-        if (isUuidCapable && ownAddress.getUuid().isPresent() && theirAddress.getUuid().isPresent()) {
-            // Version 2: UUID user
-            version = 2;
-            ownId = UuidUtil.toByteArray(ownAddress.getUuid().get());
-            theirId = UuidUtil.toByteArray(theirAddress.getUuid().get());
-        } else {
-            // Version 1: E164 user
-            version = 1;
-            if (!ownAddress.getNumber().isPresent() || !theirAddress.getNumber().isPresent()) {
-                return "INVALID ID";
-            }
-            ownId = ownAddress.getNumber().get().getBytes();
-            theirId = theirAddress.getNumber().get().getBytes();
-        }
-
-        Fingerprint fingerprint = new NumericFingerprintGenerator(5200).createFor(version,
-                ownId,
-                ownIdentityKey,
-                theirId,
-                theirIdentityKey);
-        return fingerprint.getDisplayableFingerprint().getDisplayText();
-    }
-
-    public static SignalServiceAddress getSignalServiceAddressFromIdentifier(final String identifier) {
-        if (UuidUtil.isUuid(identifier)) {
-            return new SignalServiceAddress(UuidUtil.parseOrNull(identifier), null);
-        } else {
-            return new SignalServiceAddress(null, identifier);
-        }
-    }
-
-    public static JsonNode getNotNullNode(JsonNode parent, String name) throws InvalidObjectException {
-        JsonNode node = parent.get(name);
-        if (node == null || node.isNull()) {
-            throw new InvalidObjectException(String.format("Incorrect file format: expected parameter %s not found ",
-                    name));
-        }
-
-        return node;
-    }
-}