add nuke users script

usr/local/bin/matrix-nukeusers.sh

@@ -0,0 +1,42 @@
+#!/bin/bash
+set -e -u
+
+token=''
+domain='matrix.envs.net'
+username='matrix'
+db='matrix'
+file="$HOME/nukeusers.txt"
+
+ban_dom='frontdomain.org rustyload.com'
+
+for bd in $ban_dom
+do
+        query="select user_id from user_threepids where address ilike '%$bd' order by added_at"
+        psql -q -U "$username" -d "$db" -c "\copy ($query) TO '$file.tmp'"
+        cat "$file.tmp" >> "$file"; rm "$file.tmp"
+done
+
+nuke_user() {
+        for user in $(cat nukeusers.txt)
+        do
+                curl --header "Authorization: Bearer $token" -X POST "https://$domain/_synapse/admin/v1/deactivate/$user"
+                printf ' %s deactivated.\n' "$user"
+        done
+}
+
+if [ -n "$file" ]; then
+        while true; do
+            read -p "Do you like to deactivate the user in nukeusers.txt? " ysn
+            case $ysn in
+                [Yy]* ) nuke_user; break;;
+                [Ss]* ) less "$file"; break;;
+                [Nn]* ) exit;;
+                * ) printf 'Please answer with '"'y'"' (for yes) or '"'n'"' (for no). you can also use '"'s'"' to get a list of all users.\n\n';;
+            esac
+        done
+        rm "$file"
+else
+        printf 'no entry in %s.\n' "$file"
+fi
+
+exit 0