Remove fallback to reading stdin if no message body is given

[signal-cli] / src / main / java / org / asamk / signal / commands / SendCommand.java

diff --git a/src/main/java/org/asamk/signal/commands/SendCommand.java b/src/main/java/org/asamk/signal/commands/SendCommand.java
index ae324c84c89dfb11e94840df486aa632515c0cdb..57c0c5e9c66c6e6e1045bf118e6c430b863c6f8a 100644 (file)
--- a/src/main/java/org/asamk/signal/commands/SendCommand.java
+++ b/src/main/java/org/asamk/signal/commands/SendCommand.java
@@ -55,7 +55,11 @@ public class SendCommand implements JsonRpcLocalCommand {
         mut.addArgument("--message-from-stdin")
                 .action(Arguments.storeTrue())
                 .help("Read the message from standard input.");
-        subparser.addArgument("-a", "--attachment").nargs("*").help("Add file as attachment");
+        subparser.addArgument("-a", "--attachment")
+                .nargs("*")
+                .help("Add an attachment. "
+                        + "Can be either a file path or a data URI. Data URI encoded attachments must follow the RFC 2397. Additionally a file name can be added, e.g. "
+                        + "data:<MIME-TYPE>;filename=<FILENAME>;base64,<BASE64 ENCODED DATA>.");
         subparser.addArgument("-e", "--end-session", "--endsession")
                 .help("Clear session state and send end session message.")
                 .action(Arguments.storeTrue());
@@ -116,13 +120,15 @@ public class SendCommand implements JsonRpcLocalCommand {
 
         var messageText = ns.getString("message");
         final var readMessageFromStdin = ns.getBoolean("message-from-stdin") == Boolean.TRUE;
-        if (readMessageFromStdin || (messageText == null && sticker == null)) {
+        if (readMessageFromStdin) {
             logger.debug("Reading message from stdin...");
             try {
                 messageText = IOUtils.readAll(System.in, IOUtils.getConsoleCharset());
             } catch (IOException e) {
                 throw new UserErrorException("Failed to read message from stdin: " + e.getMessage());
             }
+        } else if (messageText == null) {
+            messageText = "";
         }
 
         List<String> attachments = ns.getList("attachment");
@@ -165,7 +171,7 @@ public class SendCommand implements JsonRpcLocalCommand {
         }
 
         try {
-            var results = m.sendMessage(new Message(messageText == null ? "" : messageText,
+            var results = m.sendMessage(new Message(messageText,
                     attachments,
                     mentions,
                     Optional.ofNullable(quote),