Revert "Added S/MIME encrypt/decrypt key aliases"

This reverts commit e1adfaee36.

app/src/main/java/eu/faircode/email/AdapterIdentity.java

@@ -33,7 +33,6 @@ import android.os.Bundle;
 import android.text.SpannableString;
 import android.text.style.RelativeSizeSpan;
 import android.text.style.StyleSpan;
-import android.util.Pair;
 import android.view.LayoutInflater;
 import android.view.Menu;
 import android.view.MenuItem;
@@ -178,17 +177,9 @@ public class AdapterIdentity extends RecyclerView.Adapter<AdapterIdentity.ViewHo
             if (identity.sign_key != null)
                 sb.append(Long.toHexString(identity.sign_key));
             if (identity.sign_key_alias != null) {
-                Pair<String, String> aliases = identity.getAliases();
-                if (aliases != null && aliases.first != null) {
-                    if (sb.length() != 0)
-                        sb.append(", ");
-                    sb.append(aliases.first);
-                }
-                if (aliases != null && aliases.second != null && !aliases.second.equals(aliases.first)) {
-                    if (sb.length() != 0)
-                        sb.append(", ");
-                    sb.append(aliases.second);
-                }
+                if (sb.length() != 0)
+                    sb.append(", ");
+                sb.append(identity.sign_key_alias);
             }
 
             tvSignKeyId.setText(context.getString(R.string.title_sign_key, sb.toString()));

app/src/main/java/eu/faircode/email/EntityIdentity.java

@@ -22,7 +22,6 @@ package eu.faircode.email;
 import static androidx.room.ForeignKey.CASCADE;
 
 import android.text.TextUtils;
-import android.util.Pair;
 
 import androidx.annotation.NonNull;
 import androidx.room.ColumnInfo;
@@ -206,38 +205,6 @@ public class EntityIdentity {
         return false;
     }
 
-    Pair<String, String> getAliases() {
-        if (sign_key_alias == null)
-            return null;
-
-        String encrypt = null;
-        String decrypt = null;
-        try {
-            JSONObject jalias = new JSONObject(sign_key_alias);
-            if (jalias.has("encrypt"))
-                encrypt = jalias.getString("encrypt");
-            if (jalias.has("decrypt"))
-                decrypt = jalias.getString("decrypt");
-        } catch (JSONException ex) {
-            Log.w(ex);
-            encrypt = sign_key_alias;
-            decrypt = sign_key_alias;
-        }
-
-        return new Pair<>(encrypt, decrypt);
-    }
-
-    void setAlias(String alias, boolean encrypt) throws JSONException {
-        Pair<String, String> aliases = getAliases();
-        JSONObject jaliases = new JSONObject();
-        if (aliases != null && aliases.first != null)
-            jaliases.put("encrypt", aliases.first);
-        if (aliases != null && aliases.second != null)
-            jaliases.put("decrypt", aliases.second);
-        jaliases.put(encrypt ? "encrypt" : "decrypt", alias);
-        sign_key_alias = jaliases.toString();
-    }
-
     public JSONObject toJSON() throws JSONException {
         JSONObject json = new JSONObject();
         json.put("id", id);

app/src/main/java/eu/faircode/email/FragmentCompose.java

@@ -3222,12 +3222,8 @@ public class FragmentCompose extends FragmentBase {
                     EntityIdentity identity = db.identity().getIdentity(draft.identity);
                     if (identity != null && identity.sign_key_alias != null)
                         try {
-                            Pair<String, String> aliases = identity.getAliases();
-                            if (aliases != null && aliases.first != null) {
-                                args.putString("alias", aliases.first);
-                                PrivateKey key = KeyChain.getPrivateKey(context, aliases.first);
-                                args.putBoolean("available", key != null);
-                            }
+                            PrivateKey key = KeyChain.getPrivateKey(context, identity.sign_key_alias);
+                            args.putBoolean("available", key != null);
                         } catch (Throwable ex) {
                             Log.w(ex);
                         }
@@ -3242,13 +3238,13 @@ public class FragmentCompose extends FragmentBase {
 
                     boolean available = args.getBoolean("available");
                     if (available) {
+                        args.putString("alias", identity.sign_key_alias);
                         onSmime(args, action, extras);
                         return;
                     }
 
-                    if (interactive) {
-                        String alias = args.getString("alias");
-                        Helper.selectKeyAlias(getActivity(), getViewLifecycleOwner(), alias, new Helper.IKeyAlias() {
+                    if (interactive)
+                        Helper.selectKeyAlias(getActivity(), getViewLifecycleOwner(), identity.sign_key_alias, new Helper.IKeyAlias() {
                             @Override
                             public void onSelected(String alias) {
                                 args.putString("alias", alias);
@@ -3273,7 +3269,6 @@ public class FragmentCompose extends FragmentBase {
                                 snackbar.show();
                             }
                         });
-                    }
                 }
 
                 @Override
@@ -4468,8 +4463,7 @@ public class FragmentCompose extends FragmentBase {
                 }
 
                 // Store selected alias
-                identity.setAlias(alias, true);
-                db.identity().setIdentitySignKeyAlias(identity.id, identity.sign_key_alias);
+                db.identity().setIdentitySignKeyAlias(identity.id, alias);
 
                 // Build content
                 File sinput = new File(tmp, draft.id + ".smime_sign");

app/src/main/java/eu/faircode/email/FragmentMessages.java

@@ -9436,8 +9436,7 @@ public class FragmentMessages extends FragmentBase
                     if (auto && identity == null)
                         return;
 
-                    Pair<String, String> aliases = (identity == null ? null : identity.getAliases());
-                    String alias = (aliases == null ? null : aliases.second);
+                    String alias = (identity == null ? null : identity.sign_key_alias);
                     Helper.selectKeyAlias(getActivity(), getViewLifecycleOwner(), alias, new Helper.IKeyAlias() {
                         @Override
                         public void onSelected(String alias) {
@@ -10766,17 +10765,10 @@ public class FragmentMessages extends FragmentBase
                     db.message().setMessageStored(message.id, new Date().getTime());
                     db.message().setMessageFts(message.id, false);
 
-                    if (alias != null && !duplicate && message.identity != null) {
-                        EntityIdentity identity = db.identity().getIdentity(message.identity);
-                        if (identity != null) {
-                            identity.setAlias(alias, false);
-                            db.identity().setIdentitySignKeyAlias(identity.id, identity.sign_key_alias);
-                        }
-                    }
+                    if (alias != null && !duplicate && message.identity != null)
+                        db.identity().setIdentitySignKeyAlias(message.identity, alias);
 
                     db.setTransactionSuccessful();
-                } catch (JSONException ex) {
-                    Log.e(ex);
                 } catch (SQLiteConstraintException ex) {
                     // Message removed
                     Log.w(ex);