freedombone/src/freedombone-utils-selector

651 lines
19 KiB
Bash
Executable File

#!/bin/bash
# _____ _ _
# | __|___ ___ ___ _| |___ _____| |_ ___ ___ ___
# | __| _| -_| -_| . | . | | . | . | | -_|
# |__| |_| |___|___|___|___|_|_|_|___|___|_|_|___|
#
# Freedom in the Cloud
#
# Functions for selecting which apps to install or remove
#
# License
# =======
#
# Copyright (C) 2015-2018 Bob Mottram <bob@freedombone.net>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# Array containing names of available apps
APPS_AVAILABLE=()
# Array containing 1 or 0 indicating installed apps
APPS_INSTALLED=()
# Apps selected with checklist
APPS_CHOSEN=()
# A list of the names of installed apps
APPS_INSTALLED_NAMES=()
# file containing a list of removed apps
REMOVED_APPS_FILE=/root/removed
INSTALLED_APPS_LIST=/usr/share/${PROJECT_NAME}/installed.txt
# keep a list of which users have been added to which apps
# so that when a new app is added existing users can be added
APP_USERS_FILE=$HOME/app_users.txt
if [ ! "$COMPLETION_FILE" ]; then
COMPLETION_FILE="$HOME/${PROJECT_NAME}-completed.txt"
fi
# Loads variables defined at the beginning of an app script
function app_load_variables {
app_name=$1
config_var_name=${app_name}_variables
# shellcheck disable=SC2086
if [ ! ${!config_var_name} ]; then
echo $"${app_name}_variables was not found"
return
fi
#shellcheck disable=SC1087,SC2125,SC2178
configvarname=$config_var_name[@]
#shellcheck disable=SC2206
configvarname=( ${!configvarname} )
# shellcheck disable=SC2068
for v in ${configvarname[@]}
do
read_config_param "$v"
done
}
# Saves variables for a given app script
function app_save_variables {
app_name=$1
config_var_name=${app_name}_variables
#shellcheck disable=SC2086
if [ ! ${!config_var_name} ]; then
return
fi
#shellcheck disable=SC1087,SC2125,SC2178
configvarname=$config_var_name[@]
#shellcheck disable=SC2206
configvarname=( ${!configvarname} )
# shellcheck disable=SC2068
for v in ${configvarname[@]}
do
write_config_param "$v" "${!v}"
done
}
# gets the variants list from an app script
function app_variants {
filename=$1
variants_line=$(grep 'VARIANTS=' "${filename}")
if [[ "$variants_line" == *"'"* ]]; then
variants_list=$(echo "$variants_line" | awk -F '=' '{print $2}' | awk -F "'" '{print $2}')
else
variants_list=$(echo "$variants_line" | awk -F '=' '{print $2}' | awk -F '"' '{print $2}')
fi
echo "$variants_list"
}
# whether a given item is in an array
function item_in_array {
local e
for e in "${@:2}"; do [[ "$e" == "$1" ]] && return 0; done
return 1
}
# returns a list of available system variants
# based upon the variants string in each app script
function available_system_variants {
function_check item_in_array
FILES="/usr/share/${PROJECT_NAME}/apps/${PROJECT_NAME}-app-*"
new_available_variants_list=()
for filename in $FILES
do
system_variants_list=$(app_variants "$filename")
# shellcheck disable=SC2206
variants_array=($system_variants_list)
# shellcheck disable=SC2068
for variant_str in ${variants_array[@]}
do
if ! item_in_array "${variant_str}" ${new_available_variants_list[@]}; then
new_available_variants_list+=("$variant_str")
fi
done
done
# shellcheck disable=SC2207
available_variants_list=($(sort <<<"${new_available_variants_list[*]}"))
}
function is_valid_variant {
sys_type="$1"
available_variants_list=()
function_check available_system_variants
available_system_variants
# shellcheck disable=SC2068
for variant_str in ${available_variants_list[@]}
do
if [[ "$sys_type" == "$variant_str" ]]; then
return "1"
fi
done
return "0"
}
function show_available_variants {
available_variants_list=()
function_check available_system_variants
available_system_variants
# shellcheck disable=SC2068
for variant_str in ${available_variants_list[@]}
do
echo " $variant_str"
done
}
# mark a given app as having been removed so that it doesn't get reinstalled on updates
function remove_app {
app_name=$1
if [ ! -f $REMOVED_APPS_FILE ]; then
touch $REMOVED_APPS_FILE
fi
if ! grep -Fxq "_${app_name}_" $REMOVED_APPS_FILE; then
echo "_${app_name}_" >> $REMOVED_APPS_FILE
fi
if grep -Fxq "install_${app_name}" "$COMPLETION_FILE"; then
sed -i "/install_${app_name}/d" "$COMPLETION_FILE"
fi
if grep -Fxq "install_${app_name}" "$INSTALLED_APPS_LIST"; then
sed -i "/install_${app_name}/d" "$INSTALLED_APPS_LIST"
fi
}
# returns 1 if an app has been marked as removed
function app_is_removed {
app_name="$1"
if [ ! -f $REMOVED_APPS_FILE ]; then
echo "0"
return
fi
if ! grep -Fxq "_${app_name}_" $REMOVED_APPS_FILE; then
echo "0"
else
echo "1"
fi
}
# Allows an app to be reinstalled even if it was previously marked as being removed
function reinstall_app {
app_name=$1
if [ ! -f $REMOVED_APPS_FILE ]; then
return
fi
if [[ $(app_is_removed "$app_name") == "1" ]]; then
sed -i "/_${app_name}_/d" $REMOVED_APPS_FILE
fi
}
# returns 1 if an app is installed
function app_is_installed {
app_name="$1"
# Why does this secondary file exist, apart from COMPLETION_FILE ?
# It's so that it is visible to unprivileged users from the user control panel
if [ -f "$INSTALLED_APPS_LIST" ]; then
if ! grep -Fxq "install_${app_name}" "$INSTALLED_APPS_LIST"; then
echo "0"
else
echo "1"
fi
return
fi
# check the completion file to see if it was installed
if [ ! -f "$COMPLETION_FILE" ]; then
echo "0"
return
fi
if ! grep -Fxq "install_${app_name}" "$COMPLETION_FILE"; then
echo "0"
else
echo "1"
fi
}
# called at the end of the install section of an app script
function install_completed {
if [ ! "${1}" ]; then
exit 673935
fi
if ! grep -Fxq "install_${1}" "$COMPLETION_FILE"; then
echo "install_${1}" >> "$COMPLETION_FILE"
fi
}
# populates an array of "0" or "1" for whether apps are installed
function get_apps_installed {
# shellcheck disable=SC2068
for a in ${APPS_AVAILABLE[@]}
do
APPS_INSTALLED+=("$(app_is_installed "$a")")
done
}
# populates an array of installed app names
function get_apps_installed_names {
APPS_INSTALLED_NAMES=()
# shellcheck disable=SC2068
for a in ${APPS_AVAILABLE[@]}
do
if [[ $(app_is_installed "$a") == "1" ]]; then
APPS_INSTALLED_NAMES+=("$a")
fi
done
}
# detects what apps are available
function detect_apps {
FILES="/usr/share/${PROJECT_NAME}/apps/${PROJECT_NAME}-app-*"
function_check item_in_array
APPS_AVAILABLE=()
APPS_CHOSEN=()
# for all the app scripts
for filename in $FILES
do
app_name=$(echo "${filename}" | awk -F '-app-' '{print $2}')
# shellcheck disable=SC2068
if ! item_in_array "${app_name}" ${APPS_AVAILABLE[@]}; then
APPS_AVAILABLE+=("${app_name}")
APPS_CHOSEN+=("0")
fi
done
function_check get_apps_installed
get_apps_installed
get_apps_installed_names
}
# detects what apps are available and can be installed
# If the variants list within an app script is an empty string then
# it is considered to be too experimental to be installable
function detect_installable_apps {
FILES="/usr/share/${PROJECT_NAME}/apps/${PROJECT_NAME}-app-*"
APPS_AVAILABLE=()
APPS_CHOSEN=()
APPS_INSTALLED=()
APPS_INSTALLED_NAMES=()
function_check app_variants
function_check app_is_installed
function_check item_in_array
# for all the app scripts
for filename in $FILES
do
app_name=$(echo "${filename}" | awk -F '-app-' '{print $2}')
# shellcheck disable=SC2068
if ! item_in_array "${app_name}" ${APPS_AVAILABLE[@]}; then
variants_list=$(app_variants "$filename")
# check for empty string
if [ ${#variants_list} -gt 0 ]; then
APPS_AVAILABLE+=("${app_name}")
APPS_CHOSEN+=("0")
APPS_INSTALLED+=("$(app_is_installed "$app_name")")
if [[ $(app_is_installed "$app_name") == "1" ]]; then
APPS_INSTALLED_NAMES+=("$app_name")
fi
fi
fi
done
}
function detect_installed_apps {
FILES="/usr/share/${PROJECT_NAME}/apps/${PROJECT_NAME}-app-*"
APPS_AVAILABLE=()
APPS_INSTALLED=()
APPS_INSTALLED_NAMES=()
function_check app_variants
function_check app_is_installed
function_check item_in_array
# for all the app scripts
for filename in $FILES
do
app_name=$(echo "${filename}" | awk -F '-app-' '{print $2}')
if [[ $(app_is_installed "$app_name") == "1" ]]; then
# shellcheck disable=SC2068
if ! item_in_array "${app_name}" ${APPS_AVAILABLE[@]}; then
variants_list=$(app_variants "$filename")
if [ ${#variants_list} -gt 0 ]; then
APPS_AVAILABLE+=("${app_name}")
APPS_INSTALLED_NAMES+=("$app_name")
fi
fi
fi
done
}
# creates the APPS_AVAILABLE and APPS_CHOSEN arrays based on
# the given variant name
function choose_apps_for_variant {
variant_name="$1"
function_check item_in_array
function_check app_variants
function_check app_is_removed
if [ ${#variant_name} -eq 0 ]; then
echo $"No variant name for choosing apps"
exit 237567
fi
FILES="/usr/share/${PROJECT_NAME}/apps/${PROJECT_NAME}-app-*"
APPS_CHOSEN=()
# for all the app scripts
for filename in $FILES
do
app_name=$(echo "${filename}" | awk -F '-app-' '{print $2}')
# shellcheck disable=SC2068
if item_in_array "${app_name}" ${APPS_AVAILABLE[@]}; then
if grep -q "VARIANTS=" "${filename}"; then
variants_list=$(app_variants "$filename")
if [[ "${variants_list}" == 'all'* || \
"${variants_list}" == "$variant_name" || \
"${variants_list}" == "$variant_name "* || \
"${variants_list}" == *" $variant_name "* || \
"${variants_list}" == *" $variant_name" ]]; then
if [[ $(app_is_removed "${a}") == "0" ]]; then
#echo $"${app_name} chosen"
APPS_CHOSEN+=("1")
else
APPS_CHOSEN+=("0")
fi
else
APPS_CHOSEN+=("0")
fi
else
APPS_CHOSEN+=("0")
fi
fi
done
function_check get_apps_installed
get_apps_installed
}
# show a list of apps which have been chosen
function list_chosen_apps {
app_index=0
# shellcheck disable=SC2068
for a in ${APPS_AVAILABLE[@]}
do
if [[ ${APPS_CHOSEN[$app_index]} == "1" ]]; then
echo $"${a}"
fi
app_index=$((app_index+1))
done
}
function remove_apps {
app_index=0
# shellcheck disable=SC2068
for a in ${APPS_AVAILABLE[@]}
do
if [[ ${APPS_INSTALLED[$app_index]} == "1" ]]; then
if [[ ${APPS_CHOSEN[$app_index]} == "0" ]]; then
echo $"Removing users for application: ${a}"
function_check remove_users_for_app
remove_users_for_app "${a}"
echo $"Removing application: ${a}"
function_check app_load_variables
app_load_variables "${a}"
function_check remove_app
remove_app "${a}"
function_check "remove_${a}"
"remove_${a}"
echo $"${a} was removed"
fi
fi
app_index=$((app_index+1))
done
update_installed_apps_list
}
function install_apps_interactive {
echo $"Interactive installer"
app_index=0
# shellcheck disable=SC2068
for a in ${APPS_AVAILABLE[@]}
do
if [[ ${APPS_INSTALLED[$app_index]} == "0" ]]; then
if [[ ${APPS_CHOSEN[$app_index]} == "1" ]]; then
# interactively obtain settings for this app
if [[ $(function_exists "install_interactive_${a}") == "1" ]]; then
"install_interactive_${a}"
fi
fi
fi
app_index=$((app_index+1))
done
echo $"Interactive settings complete"
}
function user_added_to_app {
user_name="$1"
app_name="$2"
if [[ $(is_valid_user "$user_name") == "1" ]]; then
if [[ $(function_exists "add_user_${app_name}") == "1" ]]; then
if grep -Fxq "${app_name}_${user_name}" "$APP_USERS_FILE"; then
echo "1"
return
fi
fi
fi
echo "0"
}
function add_users_after_install {
app_name="$1"
read_config_param MY_USERNAME
# ensure a minimum password length
if [ ! "$MINIMUM_PASSWORD_LENGTH" ]; then
MINIMUM_PASSWORD_LENGTH=20
fi
if [ ${#MINIMUM_PASSWORD_LENGTH} -lt 20 ]; then
MINIMUM_PASSWORD_LENGTH=20
fi
ADMIN_USERNAME=$(get_completion_param "Admin user")
if [ ! "$ADMIN_USERNAME" ]; then
ADMIN_USERNAME=$MY_USERNAME
fi
for d in /home/*/ ; do
USERNAME=$(echo "$d" | awk -F '/' '{print $3}')
if [[ $(is_valid_user "$USERNAME") == "1" ]]; then
if [[ "$USERNAME" != "$ADMIN_USERNAME" ]]; then
if [[ $(user_added_to_app "${USERNAME}" "${app_name}") == "0" ]]; then
valstr=$"Login for user ${USERNAME}="
app_password="$(create_password ${MINIMUM_PASSWORD_LENGTH})"
"add_user_${app_name}" "${USERNAME}" "${app_password}"
echo "${app_name}_${USERNAME}" >> "$APP_USERS_FILE"
fi
fi
fi
done
}
function remove_users_for_app {
app_name="$1"
read_config_param MY_USERNAME
for d in /home/*/ ; do
USERNAME=$(echo "$d" | awk -F '/' '{print $3}')
if [[ $(is_valid_user "$USERNAME") == "1" ]]; then
if [[ "$USERNAME" != "$MY_USERNAME" ]]; then
if [[ $(user_added_to_app "${USERNAME}" "${app_name}") == "1" ]]; then
if [[ $(function_exists "remove_user_${app_name}") == "1" ]]; then
"remove_user_${app_name}" "${USERNAME}"
fi
sed -i "/${app_name}_${USERNAME}/d" "$APP_USERS_FILE"
fi
fi
fi
done
}
function install_apps {
is_interactive=$1
APP_INSTALLED_SUCCESS=1
# interactive install configuration for each app
if [ "${is_interactive}" ]; then
install_apps_interactive
fi
# now install the apps
app_index=0
# shellcheck disable=SC2068
for a in ${APPS_AVAILABLE[@]}
do
if [[ ${APPS_INSTALLED[$app_index]} == "0" ]]; then
if [[ ${APPS_CHOSEN[$app_index]} == "1" ]]; then
# remove any temp files
rm -rf /tmp/*
if [ "${is_interactive}" ]; then
# clears any removal indicator
function_check reinstall_app
reinstall_app "${a}"
function_check app_load_variables
app_load_variables "${a}"
if [[ $(app_is_installed "${a}") == "1" ]]; then
echo $"Upgrading application from interactive: ${a}"
"upgrade_${a}"
echo $"${a} was upgraded from interactive"
else
echo $"Installing application from interactive: ${a}"
APP_INSTALLED=
"install_${a}"
if [ $APP_INSTALLED ]; then
function_check app_save_variables
app_save_variables "${a}"
function_check add_users_after_install
add_users_after_install "${a}"
function_check lockdown_permissions
lockdown_permissions
function_check install_completed
install_completed "${a}"
echo $"${a} was installed from interactive"
else
echo "Failed to install: ${a}" >> "/var/log/${PROJECT_NAME}.log"
APP_INSTALLED_SUCCESS=
echo $"${a} was not installed from interactive"
fi
fi
else
# check if the app was removed
if [[ $(app_is_removed "${a}") == "0" ]]; then
function_check app_load_variables
app_load_variables "${a}"
if [[ $(app_is_installed "${a}") == "1" ]]; then
echo $"Upgrading application: ${a}"
"upgrade_${a}"
echo $"${a} was upgraded"
else
echo $"Installing application: ${a}"
APP_INSTALLED=
"install_${a}"
if [ $APP_INSTALLED ]; then
function_check app_save_variables
app_save_variables "${a}"
function_check add_users_after_install
add_users_after_install "${a}"
function_check lockdown_permissions
lockdown_permissions
function_check install_completed
install_completed "${a}"
echo $"${a} was installed"
else
echo "Failed to install: ${a}" >> "/var/log/${PROJECT_NAME}.log"
APP_INSTALLED_SUCCESS=
echo $"${a} was not installed"
fi
fi
else
echo $"${a} has been removed and so will not be reinstalled"
fi
fi
fi
fi
app_index=$((app_index+1))
done
function_check update_installed_apps_list
update_installed_apps_list
}
# NOTE: deliberately no exit 0