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commit c47e0ac931d26b6080b69d92ab82bf792881c767
parent ee5cb2af7c13cff50d30e6f2826338bd6b8d85dd
Author: Matthew Carlson <matt@mattcarlson.org>
Date:   Sun,  8 Jan 2023 23:42:21 -0500

kirc wrapper script

Diffstat:
A
.local/bin/chat.sh
 | 
79
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

1 file changed, 79 insertions(+), 0 deletions(-)
diff --git a/.local/bin/chat.sh b/.local/bin/chat.sh
@@ -0,0 +1,79 @@
+#!/bin/sh
+#
+# chat
+
+HOST='127.0.0.1'
+# standard IRC port
+PORT='6667'
+# encrypted connection
+SSL='6697'
+# the most popular IRC network
+NETWORK='irc.libera.chat'
+CHANNEL='archlinux'
+NICK='RETRACTED'
+PASS="${XDG_DATA_HOME:-${HOME}/.local/share/}/kirc/pass.gpg"
+LOG="${XDG_DATA_HOME:-${HOME}/.local/share/}/kirc/kirc.log"
+
+log() {
+    while :; do
+        tail -fn 1 "${1}" | awk "/PRIVMSG #.*${NICK}.*/ {
+            system(\"herbe 'kirc - new message!' &\")
+            exit
+        }"
+        printf '%s\n' "$(date +'%a %b %e %H:%M:%S %Y')::kirc - new message!" >> "${1}"
+        sleep 1
+    done
+
+    return 0
+}
+
+# TODO: figure out how to 'daemonize' kirc, maybe implement networks other than libera
+main() {
+    # test for dependencies
+    { command -v socat >/dev/null && command -v kirc >/dev/null; } || { printf '%s\n' 'socat and/or kirc not installed.'; return 1; }
+
+    # connect to network
+    while ! socat /dev/null ssl:"${network}":"${SSL}" 2>/dev/null; do
+        printf '%s' "Enter IRC network [${NETWORK}]: "
+        read -r network
+        if [ -z "${network}" ]; then
+            network="${NETWORK}"
+        else
+            printf '%s\n' 'Testing network...'
+        fi
+    done
+    if socat tcp-listen:"${PORT}",reuseaddr,fork,bind="${HOST}" ssl:"${network}":"${SSL}" >/dev/null 2>&1 & pids="${pids-} ${!}"; then
+        # get socat pid so we can kill it after
+        socatid="${!}"
+
+        printf '%s\n' "Securely connected to ${network} via TLS/SSL."
+
+        # get channel to join
+        printf '%s' "Enter channel name without the '#' [archlinux]: "
+        read -r channel
+        [ -z "${channel}" ] && channel="${CHANNEL}"
+
+        # gen auth token for SASL PLAIN
+        pass="$(gpg -dq "${PASS}")"
+        SASL="$(python -c "import base64; print(base64.standard_b64encode(b'${NICK}\x00${NICK}\x00${pass}'))")"
+        #shellcheck disable=SC2059
+        SASL="$(printf '%s\n' "${SASL}" | awk -v FS="(b'|')" '{print $2}')"
+
+        # enable logging
+        log "${LOG}" & pids="${pids-} ${!}"
+
+        # launch IRC client
+        kirc -s "${HOST}" -a "${SASL}" -c "${channel}" -n "${NICK}" -o "${LOG}"
+
+        # kill pids
+        #shellcheck disable=SC2086
+        kill -9 ${pids}
+    else
+        printf '%s\n' 'Unable to connect via TLS/SSL. Is the address or port already in use?'
+        return 1
+    fi
+
+    return 0
+}
+
+main "${@}"