Add new parameter subject.

Fix check for valid URIs.
8 changed files with 46 additions and 15 deletions
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@ -4,6 +4,9 @@
 ### Changed
 - Move private Ox key into JID folder in ~/.local/share/go-sendxmpp.

+### Added
+- Add new parameter `--subject`.
+
 ## [v0.10.0] 2024-04-13
 ### Changed
 - Fixed a race condition in receiving stanzas (requires go-xmpp >= v0.1.5).
--- a/README.md
+++ b/README.md
@ -75,7 +75,7 @@ If no configuration file is present or if the values should be overridden it is
 the account details via command line options:

 ```plain
-Usage: go-sendxmpp [-cdilnt] [-a value] [-f value] [--headline] [--help] [-h value] [-j value] [-m value] [--muc-password value] [--oob-file value] [--ox] [--ox-delete-nodes] [--ox-genprivkey-rsa] [--ox-genprivkey-x25519] [--ox-import-privkey value] [--ox-passphrase value] [-p value] [--raw] [--scram-mech-pinning value] [--ssdp-off] [--timeout value] [--tls-version value] [-u value] [--version] [recipients…]
+Usage: go-sendxmpp [-cdilnt] [-a value] [-f value] [--headline] [--help] [-h value] [-j value] [-m value] [--muc-password value] [--oob-file value] [--ox] [--ox-delete-nodes] [--ox-genprivkey-rsa] [--ox-genprivkey-x25519] [--ox-import-privkey value] [--ox-passphrase value] [-p value] [--raw] [--scram-mech-pinning value] [--ssdp-off] [-s value] [--timeout value] [--tls-version value] [-u value] [--version] [recipients…]
 -a, --alias=value  Set alias/nicknamefor chatrooms.
 -c, --chatroom     Send message to a chatroom.
 -d, --debug        Show debugging info.
@ -117,6 +117,8 @@ Usage: go-sendxmpp [-cdilnt] [-a value] [-f value] [--headline] [--help] [-h val
     --scram-mech-pinning=value
                    Enforce the use of a certain SCRAM authentication mechanism.
     --ssdp-off     Disable XEP-0474: SASL SCRAM Downgrade Protection.
+      -s, --subject=value
+                    Set message subject.
     --timeout=value
                    Connection timeout in seconds. [10]
 -t, --tls          Use direct TLS.
--- a/helpers.go
+++ b/helpers.go
@ -37,7 +37,10 @@ func validUTF8(s string) string {
 func validURI(s string) (*url.URL, error) {
 	// Check if URI is valid
 	uri, err := url.ParseRequestURI(s)
-	return uri, fmt.Errorf("validURI: %w", err)
+	if err != nil {
+		return uri, fmt.Errorf("validURI: %w", err)
+	}
+	return uri, nil
 }

 func readFile(path string) (*bytes.Buffer, error) {
--- a/main.go
+++ b/main.go
@ -136,6 +136,7 @@ func main() {
 	flagHeadline := getopt.BoolLong("headline", 0, "Send message as type headline.")
 	flagSCRAMPinning := getopt.StringLong("scram-mech-pinning", 0, "", "Enforce the use of a certain SCRAM authentication mechanism.")
 	flagSSDPOff := getopt.BoolLong("ssdp-off", 0, "Disable XEP-0474: SASL SCRAM Downgrade Protection.")
+	flagSubject := getopt.StringLong("subject", 's', "", "Set message subject.")

 	// Parse command line flags.
 	getopt.Parse()
@ -581,7 +582,7 @@ func main() {
 						continue
 					}
 					oxMessage, err := oxEncrypt(client, oxPrivKey,
-						recipient.Jid, recipient.OxKeyRing, message)
+						recipient.Jid, recipient.OxKeyRing, message, *flagSubject)
 					if err != nil {
 						fmt.Println("Ox: couldn't encrypt to",
 							recipient.Jid)
@ -596,6 +597,7 @@ func main() {
 					_, err = client.Send(xmpp.Chat{
 						Remote: recipient.Jid,
 						Type:   msgType, Text: message,
+						Subject: *flagSubject,
 					})
 					if err != nil {
 						cancel()
@ -692,6 +694,7 @@ func main() {
 				_, err = client.Send(xmpp.Chat{
 					Remote: recipient.Jid,
 					Type:   msgType, Ooburl: message, Text: message,
+					Subject: *flagSubject,
 				})
 				if err != nil {
 					fmt.Println("Couldn't send message to",
@ -700,9 +703,15 @@ func main() {
 			// (Hopefully) temporary workaround due to go-xmpp choking on URL encoding.
 			// Once this is fixed in the lib the http-upload case above can be reused.
 			case *flagOOBFile != "":
-				_, err = client.SendOrg("<message to='" + recipient.Jid + "' type='" +
-					msgType + "'><body>" + message + "</body><x xmlns='jabber:x:oob'><url>" +
-					message + "</url></x></message>")
+				var msg string
+				if *flagSubject != "" {
+					msg = fmt.Sprintf("<message to='%s' type='%s'><subject>%s</subject><body>%s</body><x xmlns='jabber:x:oob'><url>%s</url></x></message>",
+						recipient.Jid, msgType, *flagSubject, message, message)
+				} else {
+					msg = fmt.Sprintf("<message to='%s' type='%s'><body>%s</body><x xmlns='jabber:x:oob'><url>%s</url></x></message>",
+						recipient.Jid, msgType, message, message)
+				}
+				_, err = client.SendOrg(msg)
 				if err != nil {
 					fmt.Println("Couldn't send message to",
 						recipient.Jid)
@ -712,7 +721,7 @@ func main() {
 					continue
 				}
 				oxMessage, err := oxEncrypt(client, oxPrivKey,
-					recipient.Jid, recipient.OxKeyRing, message)
+					recipient.Jid, recipient.OxKeyRing, message, *flagSubject)
 				if err != nil {
 					fmt.Println("Ox: couldn't encrypt to", recipient.Jid)
 					continue
@ -726,6 +735,7 @@ func main() {
 				_, err = client.Send(xmpp.Chat{
 					Remote: recipient.Jid,
 					Type:   msgType, Text: message,
+					Subject: *flagSubject,
 				})
 				if err != nil {
 					cancel()
--- a/man/go-sendxmpp.1
+++ b/man/go-sendxmpp.1
@ -1,10 +1,10 @@
 .\" generated with Ronn-NG/v0.9.1
 .\" http://github.com/apjanke/ronn-ng/tree/0.9.1
-.TH "GO\-SENDXMPP" "1" "April 2024" ""
+.TH "GO\-SENDXMPP" "1" "May 2024" ""
 .SH "NAME"
 \fBgo\-sendxmpp\fR \- A tool to send messages to an XMPP contact or MUC\.
 .SH "SYNOPSIS"
-\fBgo\-sendxmpp [\-cdilnt] [\-a value] [\-f value] [\-\-headline] [\-\-help] [\-h value] [\-j value] [\-m value] [\-\-muc\-password value] [\-\-oob\-file value] [\-\-ox] [\-\-ox\-delete\-nodes] [\-\-ox\-genprivkey\-rsa] [\-\-ox\-genprivkey\-x25519] [\-\-ox\-import\-privkey value] [\-\-ox\-passphrase value] [\-p value] [\-\-raw] [\-\-scram\-mech\-pinning value] [\-\-ssdp\-off] [\-\-timeout value] [\-\-tls\-version value] [\-u value] [\-\-version] [recipients…]\fR
+\fBgo\-sendxmpp [\-cdilnt] [\-a value] [\-f value] [\-\-headline] [\-\-help] [\-h value] [\-j value] [\-m value] [\-\-muc\-password value] [\-\-oob\-file value] [\-\-ox] [\-\-ox\-delete\-nodes] [\-\-ox\-genprivkey\-rsa] [\-\-ox\-genprivkey\-x25519] [\-\-ox\-import\-privkey value] [\-\-ox\-passphrase value] [\-p value] [\-\-raw] [\-\-scram\-mech\-pinning value] [\-\-ssdp\-off] [\-s value] [\-\-timeout value] [\-\-tls\-version value] [\-u value] [\-\-version] [recipients…]\fR
 .SH "DESCRIPTION"
 A tool to send messages to an XMPP contact or MUC inspired by \fBsendxmpp\fR\.
 .br
@ -92,6 +92,9 @@ Enforce the use of a certain SCRAM authentication mechanism\. Currently go\-send
 \fB\-\-ssdp\-off\fR
 Disable XEP\-0474: SASL SCRAM Downgrade Protection\.
 .TP
+\fB\-s\fR, \fB\-\-subject\fR=[\fIvalue\fR]
+Set message subject\.
+.TP
 \fB\-\-timeout=\fR[\fIvalue\fR]
 Connection timeout in seconds\. (Default: 10)
 .TP
--- a/man/go-sendxmpp.1.html
+++ b/man/go-sendxmpp.1.html
@ -83,8 +83,8 @@

 <p><code>go-sendxmpp [-cdilnt] [-a value] [-f value] [--headline] [--help] [-h value] [-j value] [-m value] [--muc-password value]
 [--oob-file value] [--ox] [--ox-delete-nodes] [--ox-genprivkey-rsa] [--ox-genprivkey-x25519] [--ox-import-privkey value]
-[--ox-passphrase value] [-p value] [--raw] [--scram-mech-pinning value] [--ssdp-off] [--timeout value] [--tls-version value] [-u value]
-[--version] [recipients…]</code></p>
+[--ox-passphrase value] [-p value] [--raw] [--scram-mech-pinning value] [--ssdp-off] [-s value] [--timeout value]
+[--tls-version value] [-u value] [--version] [recipients…]</code></p>

 <h2 id="DESCRIPTION">DESCRIPTION</h2>

@ -195,6 +195,9 @@ to prevent downgrade attacks (needs server support).</dd>
 <dt><code>--ssdp-off</code></dt>
 <dd>Disable XEP-0474: SASL SCRAM Downgrade Protection.</dd>
 <dt>
+<code>-s</code>, <code>--subject</code>=[<var>value</var>]</dt>
+<dd>Set message subject.</dd>
+<dt>
 <code>--timeout=</code>[<var>value</var>]</dt>
 <dd>Connection timeout in seconds. (Default: 10)</dd>
 <dt>
@ -279,7 +282,7 @@ License: BSD 2-clause License</p>

  <ol class='man-decor man-foot man foot'>
    <li class='tl'></li>
-    <li class='tc'>April 2024</li>
+    <li class='tc'>May 2024</li>
    <li class='tr'>go-sendxmpp(1)</li>
  </ol>

--- a/man/go-sendxmpp.1.ronn
+++ b/man/go-sendxmpp.1.ronn
@ -5,8 +5,8 @@ go-sendxmpp(1) -- A tool to send messages to an XMPP contact or MUC.

 `go-sendxmpp [-cdilnt] [-a value] [-f value] [--headline] [--help] [-h value] [-j value] [-m value] [--muc-password value]
 [--oob-file value] [--ox] [--ox-delete-nodes] [--ox-genprivkey-rsa] [--ox-genprivkey-x25519] [--ox-import-privkey value]
-[--ox-passphrase value] [-p value] [--raw] [--scram-mech-pinning value] [--ssdp-off] [--timeout value] [--tls-version value] [-u value]
-[--version] [recipients…]`
+[--ox-passphrase value] [-p value] [--raw] [--scram-mech-pinning value] [--ssdp-off] [-s value] [--timeout value]
+[--tls-version value] [-u value] [--version] [recipients…]`

 ## DESCRIPTION

@ -120,6 +120,9 @@ to prevent downgrade attacks (needs server support).
 * `--ssdp-off`:
 Disable XEP-0474: SASL SCRAM Downgrade Protection.

+* `-s`, `--subject`=[<value>]:
+Set message subject.
+
 * `--timeout=`[<value>]:
 Connection timeout in seconds. (Default: 10)

--- a/ox.go
+++ b/ox.go
@ -669,7 +669,7 @@ func oxGetPublicKeyRing(client *xmpp.Client, iqc chan xmpp.IQ, recipient string)
 	return pubKeyRing, nil
 }

-func oxEncrypt(client *xmpp.Client, oxPrivKey *crypto.Key, recipient string, keyRing *crypto.KeyRing, message string) (string, error) {
+func oxEncrypt(client *xmpp.Client, oxPrivKey *crypto.Key, recipient string, keyRing *crypto.KeyRing, message string, subject string) (string, error) {
 	if message == "" {
 		return "", nil
 	}
@ -696,6 +696,10 @@ func oxEncrypt(client *xmpp.Client, oxPrivKey *crypto.Key, recipient string, key
 	oxCryptMessageScRpad := oxCryptMessageSc.CreateElement("rpad")
 	oxCryptMessageScRpad.CreateText(getRpad(len(message)))
 	oxCryptMessageScPayload := oxCryptMessageSc.CreateElement("payload")
+	if subject != "" {
+		oxCryptMessageScPayloadSub := oxCryptMessageScPayload.CreateElement("subject")
+		oxCryptMessageScPayloadSub.CreateText(subject)
+	}
 	oxCryptMessageScPayloadBody := oxCryptMessageScPayload.CreateElement("body")
 	oxCryptMessageScPayloadBody.CreateAttr("xmlns", nsJabberClient)
 	oxCryptMessageScPayloadBody.CreateText(message)
Author	SHA1	Message	Date
Martin Dosch	b98a071472	Add new parameter subject.	3 weeks ago
Martin Dosch	953de9c86d	Fix check for valid URIs.	3 weeks ago