From 6b08e5c9e1e32f75ef7e95dce8886b068b857ab0 Mon Sep 17 00:00:00 2001
From: Ze'ev Schurmann <thisiszeev@gmail.com>
Date: Thu, 1 Feb 2024 04:27:37 +0200
Subject: [PATCH] Added checknewusers.sh

---
 checknewusers.sh | 64 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 64 insertions(+)
 create mode 100644 checknewusers.sh

diff --git a/checknewusers.sh b/checknewusers.sh
new file mode 100644
index 0000000..1776be7
--- /dev/null
+++ b/checknewusers.sh
@@ -0,0 +1,64 @@
+#!/bin/bash
+
+tgapi=""
+tgch=""
+
+nextcloudpath="/var/www/html"
+wwwuser="www-data"
+logmax="250"
+logprefix="checknewusers"
+
+function sendtelegram {
+  echo "Nextcloud has new user(s)..." > /tmp/ncchecknewusersheader.txt
+  echo "Server: $(hostname)" >> /tmp/ncchecknewusersheader.txt
+  echo "Path: $nextcloudpath" >> /tmp/ncchecknewusersheader.txt
+  echo "Date: $(date)" >> /tmp/ncchecknewusersheader.txt
+  echo "" >> /tmp/ncchecknewusersheader.txt
+  string=$(cat /tmp/ncchecknewusersheader.txt /tmp/ncchecknewuserslist.txt)
+  wget -qO- "https://api.telegram.org/bot$tgapi/sendMessage?chat_id=$tgch&text=$string" &> /dev/null
+  errorcode=$?
+  echo $datestamp > /tmp/nccheckupdatessent.txt
+  updatelog $errorcode
+}
+
+function updatelog {
+  logdata="Telegram Sent"
+  if [[ ! -z $1 ]]; then
+    if [[ $1 == "0" ]]; then
+      logerror="Successful!"
+    else
+      logerror="Sending Failed: Exit Code $1"
+    fi
+  fi
+  echo "$(date +%y%m%d).$(date +%H%M) - $logprefix - $logdata - $logerror" >> /var/log/nextcloud-telegram-notify.log
+  logsize=$(cat /var/log/nextcloud-telegram-notify.log | wc -l)
+  if [[ $logsize -gt $logmax ]]; then
+    mv /var/log/nextcloud-telegram-notify.log /tmp/nextcloud-telegram-notify.log
+    tail -n $logmax /tmp/nextcloud-telegram-notify.log > /var/log/nextcloud-telegram-notify.log
+    rm /tmp/nextcloud-telegram-notify.log
+  fi
+}
+
+sudo -u $wwwuser php "$nextcloudpath/occ" user:list > /tmp/ncchecknewusers.txt
+
+if [[ -f /tmp/ncchecknewusers.old ]]; then
+  cat /tmp/ncchecknewusers.old /tmp/ncchecknewusers.txt | sort | uniq -u > /tmp/ncchecknewusers.new
+  newusers=$(cat /tmp/ncchecknewusers.new | wc -l)
+  if [[ $newusers -gt 0 ]]; then
+    echo "There are $newusers new users..."
+    rm -f /tmp/ncchecknewuserslist.txt
+    while read -r line; do
+      echo "" >> /tmp/ncchecknewuserslist.txt
+      array=($line)
+      name=${array[1]:0:-1}
+      sudo -u $wwwuser php "$nextcloudpath/occ" user:info $name >> /tmp/ncchecknewuserslist.txt
+    done < /tmp/ncchecknewusers.new
+    sendtelegram
+  else
+    echo "There are no new users..."
+  fi
+else
+  echo "First run... saving current list of users..."
+fi
+
+mv /tmp/ncchecknewusers.txt /tmp/ncchecknewusers.old