fix fallback for non-mime data

OpenKeychain/src/main/java/org/sufficientlysecure/keychain/operations/InputDataOperation.java

@@ -309,25 +309,32 @@ public class InputDataOperation extends BaseOperation<InputDataParcel> {
 
             log.add(LogType.MSG_DATA_MIME, 1);
 
-            // open current uri for input
+            try {
-            InputStream in = mContext.getContentResolver().openInputStream(currentInputUri);
-            parser.parse(in);
 
-            if (mSignedDataUri != null) {
+                // open current uri for input
-
+                InputStream in = mContext.getContentResolver().openInputStream(currentInputUri);
-                if (decryptResult != null) {
-                    decryptResult.setSignatureResult(mSignedDataResult.getSignatureResult());
-                } else {
-                    decryptResult = mSignedDataResult;
-                }
-
-                // the actual content is the signed data now (and will be passed verbatim, if parsing fails)
-                currentInputUri = mSignedDataUri;
-                in = mContext.getContentResolver().openInputStream(currentInputUri);
-                // reset signed data result, to indicate to the parser that it is in the inner part
-                mSignedDataResult = null;
                 parser.parse(in);
 
+                if (mSignedDataUri != null) {
+
+                    if (decryptResult != null) {
+                        decryptResult.setSignatureResult(mSignedDataResult.getSignatureResult());
+                    } else {
+                        decryptResult = mSignedDataResult;
+                    }
+
+                    // the actual content is the signed data now (and will be passed verbatim, if parsing fails)
+                    currentInputUri = mSignedDataUri;
+                    in = mContext.getContentResolver().openInputStream(currentInputUri);
+                    // reset signed data result, to indicate to the parser that it is in the inner part
+                    mSignedDataResult = null;
+                    parser.parse(in);
+
+                }
+            } catch (MimeException e) {
+                // a mime error likely means that this wasn't mime data, after all
+                e.printStackTrace();
+                log.add(LogType.MSG_DATA_MIME_BAD, 2);
             }
 
             // if we found data, return success
@@ -363,10 +370,6 @@ public class InputDataOperation extends BaseOperation<InputDataParcel> {
             e.printStackTrace();
             log.add(LogType.MSG_DATA_ERROR_IO, 2);
             return new InputDataResult(InputDataResult.RESULT_ERROR, log);
-        } catch (MimeException e) {
-            e.printStackTrace();
-            log.add(LogType.MSG_DATA_MIME_ERROR, 2);
-            return new InputDataResult(InputDataResult.RESULT_ERROR, log);
         }
 
     }

OpenKeychain/src/main/java/org/sufficientlysecure/keychain/operations/results/OperationResult.java

@@ -837,7 +837,7 @@ public abstract class OperationResult implements Parcelable {
         MSG_DATA_DETACHED_NESTED(LogLevel.WARN, R.string.msg_data_detached_nested),
         MSG_DATA_DETACHED_TRAILING (LogLevel.WARN, R.string.msg_data_detached_trailing),
         MSG_DATA_DETACHED_UNSUPPORTED (LogLevel.WARN, R.string.msg_data_detached_unsupported),
-        MSG_DATA_MIME_ERROR (LogLevel.ERROR, R.string.msg_data_mime_error),
+        MSG_DATA_MIME_BAD(LogLevel.INFO, R.string.msg_data_mime_bad),
         MSG_DATA_MIME_FILENAME (LogLevel.DEBUG, R.string.msg_data_mime_filename),
         MSG_DATA_MIME_LENGTH (LogLevel.DEBUG, R.string.msg_data_mime_length),
         MSG_DATA_MIME (LogLevel.DEBUG, R.string.msg_data_mime),

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

@@ -1366,7 +1366,7 @@
     <string name="msg_data_detached_unsupported">"Unsupported type of detached signature!"</string>
     <string name="msg_data_error_io">"Error reading input data!"</string>
     <string name="msg_data_error_openpgp">"Error processing OpenPGP data!"</string>
-    <string name="msg_data_mime_error">"Error parsing MIME data!"</string>
+    <string name="msg_data_mime_bad">"Could not parse as MIME data"</string>
     <string name="msg_data_mime_filename">"Filename: '%s'"</string>
     <string name="msg_data_mime_length">"Content-Length: %s"</string>
     <string name="msg_data_mime">"Parsing MIME data structure"</string>