From 4fe035c986b93a768cc8414c8312f9f9b8f180a3 Mon Sep 17 00:00:00 2001
From: Ark74 <ark@switnet.org>
Date: Tue, 11 Aug 2020 02:24:33 -0500
Subject: [PATCH] Add etherpad installer

---
 etherpad.sh | 140 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 140 insertions(+)
 create mode 100644 etherpad.sh

diff --git a/etherpad.sh b/etherpad.sh
new file mode 100644
index 0000000..6b2ee34
--- /dev/null
+++ b/etherpad.sh
@@ -0,0 +1,140 @@
+#!/bin/bash
+# Etherpad Installer for Jitsi Meet
+# SwITNet Ltd  © - 2020, https://switnet.net/
+#
+# GPLv3 or later.
+
+while getopts m: option
+do
+	case "${option}"
+	in
+		m) MODE=${OPTARG};;
+		\?) echo "Usage: sudo ./etherpad.sh [-m debug]" && exit;;
+	esac
+done
+
+#DEBUG
+if [ "$MODE" = "debug" ]; then
+set -x
+fi
+
+if ! [ $(id -u) = 0 ]; then
+   echo "You need to be root or have sudo privileges!"
+   exit 0
+fi
+
+clear
+echo '
+########################################################################
+                         Etherpad Docker addon
+########################################################################
+                    by Software, IT & Networks Ltd
+'
+
+check_apt_policy() {
+apt-cache policy 2>/dev/null| \
+grep http | \
+grep $1 | \
+awk '{print $3}' | \
+head -n 1 | \
+cut -d "/" -f2
+}
+install_ifnot() {
+if [ "$(dpkg-query -W -f='${Status}' $1 2>/dev/null | grep -c "ok installed")" == "1" ]; then
+	echo " $1 is installed, skipping..."
+    else
+    	echo -e "\n---- Installing $1 ----"
+		apt-get -yq2 install $1
+fi
+}
+DOMAIN=$(ls /etc/prosody/conf.d/ | grep -v localhost | awk -F'.cfg' '{print $1}' | awk '!NF || !seen[$0]++')
+MEET_CONF="/etc/jitsi/meet/$DOMAIN-config.js"
+WS_CONF="/etc/nginx/sites-enabled/$DOMAIN.conf"
+PSGVER="$(apt-cache madison postgresql | head -n1 | awk '{print $3}' | cut -d "+" -f1)"
+ETHERPAD_DB_USER="dockerpad"
+ETHERPAD_DB_NAME="etherpad"
+ETHERPAD_DB_PASS="$(tr -dc "a-zA-Z0-9#*=" < /dev/urandom | fold -w 10 | head -n1)"
+DOCKER_CE_REPO="$(check_apt_policy docker)"
+
+echo "Add Docker repo"
+if [ "$DOCKER_CE_REPO" = "stable" ]; then
+	echo "Docker repository already installed"
+else
+	echo "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable" > /etc/apt/sources.list.d/docker-ce.list
+	wget -qO - https://download.docker.com/linux/ubuntu/gpg | apt-key add -
+	apt -q2 update
+fi
+
+read -p "Set your etherpad docker admin password: " -r ETHERPAD_ADMIN_PASS
+
+# Install required packages
+install_ifnot docker-ce
+install_ifnot postgresql-$PSGVER
+
+# Create DB
+sudo -u postgres psql <<DB
+CREATE DATABASE ${ETHERPAD_DB_NAME};
+CREATE USER ${ETHERPAD_DB_USER} WITH ENCRYPTED PASSWORD '${ETHERPAD_DB_PASS}';
+GRANT ALL PRIVILEGES ON DATABASE ${ETHERPAD_DB_NAME} TO ${ETHERPAD_DB_USER};
+DB
+echo "Done!
+"
+
+# Check fot docker if not running then execute
+if [ ! "$(docker ps -q -f name=etherpad)" ]; then
+    if [ "$(docker ps -aq -f status=exited -f name=etherpad)" ]; then
+        # cleanup
+        docker rm etherpad
+    fi
+    # run your container
+    docker run -d \
+	--name etherpad         \
+	-p 9001:9001            \
+	-e 'IP=127.0.0.1'            \
+	-e 'ADMIN_PASSWORD=$ETHERPAD_ADMIN_PASS' \
+	-e 'DB_TYPE=postgres'   \
+	-e 'DB_HOST=localhost'   \
+	-e 'DB_PORT=5432'       \
+	-e 'DB_NAME=$ETHERPAD_DB_NAME'   \
+	-e 'DB_USER=$ETHERPAD_DB_USER' \
+	-e 'DB_PASS=$ETHERPAD_DB_PASS' \
+	etherpad/etherpad
+fi
+
+# Tune webserver for Jitsi App control
+
+if [ $(grep -c "etherpad" $WS_CONF) != 0 ]; then
+    echo "Webserver seems configured, skipping..."
+elif [ -f $WS_CONF ]; then
+    echo "Configuring webserver file..."
+	sed -i "/Anything that didn't match above/i \ \ \ \ location \^\~\ \/etherpad\/ {" $WS_CONF
+	sed -i "/Anything that didn't match above/i \ \ \ \ \ \ \ \ proxy_pass http:\/\/localhost:9001\/;" $WS_CONF
+	sed -i "/Anything that didn't match above/i \ \ \ \ \ \ \ \ proxy_set_header X-Forwarded-For \$remote_addr;" $WS_CONF
+	sed -i "/Anything that didn't match above/i \ \ \ \ \ \ \ \ proxy_buffering off;" $WS_CONF
+    sed -i "/Anything that didn't match above/i \ \ \ \ \ \ \ \ proxy_set_header       Host \$host;" $WS_CONF
+	sed -i "/Anything that didn't match above/i \ \ \ \ }" $WS_CONF
+	sed -i "/Anything that didn't match above/i \\\n" $WS_CONF
+else
+	echo "No etherpad config done to server file, please report to:
+    -> https://github.com/switnet-ltd/quick-jibri-installer/issues"
+fi
+    
+# Configure config.js
+if [ $(grep -c "etherpad_base" $WS_CONF) != 0 ]; then
+    echo "$MEET_CONF seems configured, skipping..."
+else
+    echo "Setting etherpad domain at $MEET_CONF..."
+    sed -i "/ domain: '$DOMAIN'/a\ \ \ \ \ \ \ \ etherpad_base: \'https://$DOMAIN/etherpad/p/\'," $MEET_CONF
+fi
+
+echo "Checking nginx configuration..."
+nginx -t 2>/dev/null
+
+if [ $? = 0 ]; then
+	echo "Docker configuration seems fine, enabling it..."
+	systemctl reload nginx
+else
+	echo "Please check your configuration, something may be wrong."
+	echo "Will not try to enable etherpad nginx configuration, please report to:
+    -> https://github.com/switnet-ltd/quick-jibri-installer/issues"
+fi