install.am

#!/bin/sh

#############################################################################
# THIS MODULE IS USED TO INSTALL APPS FROM THE DATABASE OR FROM LOCAL SCRIPTS
#############################################################################

BINDIR="${XDG_BIN_HOME:-$HOME/.local/bin}"

#--------------------------------------------------------------------------
# DOWNLOAD
_convert_to_appman_compatible_script() {
	_detect_appman_apps
	_appman
	if [ -d "$APPMAN_APPSPATH" ]; then
		sed -i "s# /usr/local/bin# $HOME/.local/bin#g" ./"$arg"
		sed -i "s# /usr/local/share/applications# $DATADIR/applications#g" ./"$arg"
		sed -i "s# /opt# $APPMAN_APPSPATH#g" ./"$arg"
		sed -i "s# https://api.github.com#$HeaderAuthWithGITPAT https://api.github.com#g" ./"$arg"
		cat <<-HEREDOC >> ./"$arg"

		# POST INSTALLATION PATCH FOR ALL LAUNCHERS
		sed -i "s#Exec=\$APP#Exec=$HOME/.local/bin/$APP#g" $DATADIR/applications/*-AM.desktop
		sed -i "s#Exec=/usr/bin/#Exec=$HOME/.local/bin/#g" $DATADIR/applications/*-AM.desktop
		sed -i "s#Exec=/opt/#Exec=$HOME/$APPSDIR#g" $DATADIR/applications/*-AM.desktop
		sed -i "s#Icon=/opt/#Icon=$HOME/$APPSDIR#g" $DATADIR/applications/*-AM.desktop

		HEREDOC
		printf " Converting %s to an AppMan-compatible script.\r" "$arg" && sleep 0.25 &&
		printf "                                                                           \r"
	else
		echo ' 💀 ERROR: "--convert" requires a configuration file in ~/.config/appman'
	fi
}

_download() {
	if curl --output /dev/null --silent --head --fail "$APPSDB/$arg"  1>/dev/null; then
		cd "$SCRIPTDIR" || return 1
		[ ! -f ./"$arg" ] && wget -q "$APPSDB/$arg" || return 1
		echo " ◆ \"$arg\" installation script downloaded! "
	elif curl --output /dev/null --silent --head --fail "$AMREPO/testing/$ARCH/$arg"  1>/dev/null; then
		cd "$SCRIPTDIR" || return 1
		[ ! -f ./"$arg" ] && wget -q "$AMREPO/testing/$ARCH/$arg" || return 1
		echo " ⚠️ \"$arg\" downloaded from \"testing\", the unstable branch, BE AWARE!"
	else
		echo " 💀 ERROR: \"$arg\" is NOT a valid argument"
	fi
}

#--------------------------------------------------------------------------
# INSTALL
# If you use the --latest option, add the "latest" flag to scripts that point to a very common "release"
_if_latest() {
	if echo "$FLAGS" | grep -q -- '--force-latest'; then
		sed -i 's#/releases #/releases/latest #g' ./"$arg"
	fi
}

_if_debug() {
	if ! echo "$FLAGS" | grep -q -- "--debug" && wget --version | head -1 | grep -q ' 1.'; then
		# Patch "wget" (version 1.x) to have a progress bar and fix errors when applying patches
		sed -i "s#wget #wget -q --no-verbose --show-progress --progress=bar #g" ./"$arg"
	fi
}

_spooky_check() {
	if grep -i spooky ./"$arg" >/dev/null 2>&1; then
		printf "%b%b" "\n ${RED}WARNING:" " \"$arg\" does not have a transparent build process! \033[0m\n\n"
		echo " We can't be sure as to what is inside the application"
		echo " We highly recommend that you sandbox this application"
		echo ""
		read -p " Do you wish to continue? (N/y): " yn
		if ! echo "$yn" | grep -i '^y' >/dev/null 2>&1; then
			printf "\n INSTALLATION ABORTED! \n"
			return 1
		fi
	fi
}

# Patch to apply to installation scripts
_apply_patches() {
	if [ "$AMCLI" = "appman" ]; then
		# Patches /usr/local for $HOME equivalent for AppMan
		sed -i -e "s#/usr/local/bin#$BINDIR#g" \
			-e "s#/usr/local/share#$DATADIR#g" \
			-e "s#/opt/#$APPSPATH/#g" ./"$arg"
	else
		"$SUDOCMD" mkdir -p /usr/local/share/applications /usr/local/bin
	fi
	sed -i "s# https://api.github.com#$HeaderAuthWithGITPAT https://api.github.com#g" ./"$arg"
	sed -i "s#DirIcon\$#DirIcon  2>/dev/null#g" ./"$arg"
	sed -i "s#DirIcon ./icons/\"\$APP\" 1#DirIcon ./icons/\"\$APP\" 2#g" ./"$arg"
}

_am_remover_check() {
	# Put permission check in remove script and change ownership of directory
	if [ "$AMCLI" = am ]; then
		$SUDOCMD sed -i "1 a [ \"\$(id -u)\" -ne 0 ] && echo "Permission denied" && exit 1" \
			"${LASTDIRPATH}"/remove 2>/dev/null
		$SUDOCMD chown -R "$USER" "${LASTDIRPATH}" 2>/dev/null
	fi

}

# Post-installation processes
_post_installation_processes() {
	LASTDIR=$(ls -td "$APPSPATH"/* | head -1 | sed 's:.*/::')
	LASTDIRPATH="${APPSPATH}/${LASTDIR}"
	_am_remover_check
	# Check for AM-updater script sothat CLI can manage updates
	[ -f "${LASTDIRPATH}"/AM-updater ] && mkdir "${LASTDIRPATH}"/.am-installer 2>/dev/null \
		&& curl -Ls "$APPSDB"/"$arg" > "${LASTDIRPATH}"/.am-installer/"$arg"
	find "${LASTDIRPATH}"/icons/* -xtype l -delete 2>/dev/null # Removes broken links
	# If you have a broken or missing icon in your "icons" directory, download one from the catalog
	[ -z "$(ls -A "${LASTDIRPATH}"/icons 2>/dev/null)" ] \
		&& wget -q "$AMCATALOGUEICONS"/"$arg".png -O "${LASTDIRPATH}"/icons/"$arg" 2>/dev/null
	# Patch .desktop to change paths if the app is installed locally
	if [ "$AMCLI" = "appman" ]; then
		# Likely not needed anymore: "s#Icon=/opt#Icon=$HOME/$APPSDIR#g"
		sed -i -e "s#Exec=$arg#Exec=$BINDIR/$arg#g" \
			-e "s#Exec=\$APP#Exec=$BINDIR/\$APP#g" \
			-e "s#Exec=/usr/bin/#Exec=$BINDIR/#g" \
			-e "s#Exec=/opt/#Exec=$BINDIR/#g" "$DATADIR"/applications/*-AM.desktop 2>/dev/null
	fi
}

# End of the installation process
_ending_the_installation() {
	unset "$LASTDIR" # Is this needed?
	LASTDIR=$(ls -td "$APPSPATH"/* | head -1 | sed 's:.*/::')
	if [ -f "${LASTDIRPATH}"/remove ]; then
		if test -d "${LASTDIRPATH}"/tmp; then
			echo " 💀 ERROR DURING INSTALLATION, REMOVED $APPNAME!"
			$SUDOCMD "$APPSPATH/$LASTDIR/remove" 1>/dev/null
		elif test -f "$APPSPATH/$LASTDIR/version" && [ -z "$(cat "$APPSPATH/$LASTDIR/version")" ]; then
			echo " 💀 ERROR DURING INSTALLATION, REMOVED $APPNAME!"
			$SUDOCMD "$APPSPATH/$LASTDIR/remove" 1> /dev/null
		else
			APPSIZE=$(du -sm "${LASTDIRPATH}" | awk '{print $1}' )
			LASTDIRNAME=$(echo "\"$LASTDIR\"" | tr '[:lower:]' '[:upper:]')
			printf "%b%b%s\n" " ${Green}" "$LASTDIRNAME INSTALLED\033[0m" " ($APPSIZE MB OF DISK SPACE)"
			$SUDOCMD rm "$AMCACHEDIR"/"$arg"
			_check_version
			app_version=$(grep -w " ◆ $LASTDIR	|" 0<"$AMCACHEDIR"/version-args | sed 's:.*|	::')
			echo " ◆ $LASTDIR $app_version" >> "$AMCACHEDIR"/installed
		fi
	else
		echo " INSTALLATION ABORTED!"
	fi
}

# Check if the installation script contain a keyword related to a missing dependence
_dependency_check_utils() {
	app_deps="ar gcc glib-compile-schemas make tar unzip"
	for name in $app_deps; do
		if grep "^$name" ./"$arg" 1>/dev/null && ! command -v "$name" >/dev/null 2>&1; then
			[ "$name" = "ar" ] && name="binutils"
			echo " 💀 ERROR: cannot install \"$arg\" without \"$name\"" 
			return 1
		fi
	done
}

# Check if the installation script is a metapackage (example one of the 40+ kdegames scripts)
_metapackage_check() {
for metapackage in $METAPACKAGES; do
	if grep -q "$metapackage" ./"$arg" 2> /dev/null; then
		if [ -d "$APPSPATH"/"$metapackage"/tmp ]; then
			$SUDOCMD "$APPSPATH"/"$metapackage"/remove 2> /dev/null
		elif [ -d "$APPSPATH"/"$metapackage" ]; then
			METAPACKAGE_NAME=$(echo "$metapackage" | tr '[:lower:]' '[:upper:]')
			echo " ◆ $APPNAME IS PART OF \"$METAPACKAGE_NAME\", ALREADY INSTALLED" 
			return 1
		fi
	fi
done	
}

######################
# INSTALLATION PROCESS
######################

# This function is needed to parse the installation script and then execute it
_install_arg() {
	APPNAME=$(echo "\"$arg\"" | tr '[:lower:]' '[:upper:]')
	chmod a+x ./"$arg"
	_metapackage_check || return 1
	_dependency_check_utils || return 1
	if grep -q 'ffwa-' ./"$arg"; then
		ffbrowser=$(find ${PATH//:/ } -maxdepth 1 -name "firefox*" | sort | head -1)
		if [ -z "$ffbrowser" ]; then
			echo " 💀 ERROR: you cannot install \"$arg\" without installing \"firefox\""; return 0
		else
			sed -i 's#firefox --class#'"$(echo "$ffbrowser" | xargs -L 1 basename)"' --class#g' ./"$arg"
		fi
	elif grep -qi "^wget.*.sh.*chmod.*&&" ./"$arg"; then
		appimage_bulder_script=$(grep "^wget " ./"$arg" | tr '"' '\n' | grep -i "^http" | sed "s/\$APP/$arg/g")
		if curl --output /dev/null --silent --head --fail "$appimage_bulder_script" 1> /dev/null; then
			for name in $app_deps; do
				if curl -Ls "$appimage_bulder_script" | grep "^$name" 1>/dev/null; then
					if ! command -v "$name" >/dev/null 2>&1; then
						[ "$name" = "ar" ] && name="binutils"
						echo " 💀 ERROR: cannot install \"$arg\" without \"$name\""
						return 0
					fi
				fi
			done
			if curl -Ls "$appimage_bulder_script" | grep -ie "appimagetool\|pkg2appimage" 1>/dev/null; then
				if ! command -v convert >/dev/null 2>&1; then
					echo " 💀 ERROR: cannot create \"$arg\" without \"convert\" (from \"imagemagick\")" 
					return 0
				fi
			fi
		else
			echo " 💀 ERROR: cannot create \"$arg\", the builder does not exists" 
			return 0
		fi
	fi
	# Check if you are installing an app or a library
	echo " ◆ $APPNAME: starting installation script"
	if grep -qi "^wget.*.sh.*chmod.*&&" ./"$arg"; then
		printf "\n This script will create an AppImage on the fly, please wait...\n"
	elif grep -q "/usr/local/lib" ./"$arg"; then
		printf "\n ⚠️ This script will install a system library in /usr/local/lib\n\n"
		read -p " Do you wish to continue? (N/y): " yn
		if ! echo "$yn" | grep -i '^y' >/dev/null 2>&1; then
			printf "\n INSTALLATION ABORTED! \n"
			return 0
		fi
	fi
	_spooky_check || return 1
	_if_debug
	_if_latest
	_apply_patches
	echo ""
	# Install script
	if grep -q "https://repology.org" ./"$arg"; then
		REPOLOGY_API_ALLOWED=$(curl -Ls https://repology.org/)
		if [ -z "$REPOLOGY_API_ALLOWED" ]; then
			if command -v torsocks 1>/dev/null; then
				sed -i "s/version=\$(wget/version=\$(torsocks wget/g" ./"$arg"
			else
				echo " 💀 Cannot install \"$arg\", you have no access to https://repology.org, needed to check the version of this program." \
				| fold -sw 72 | sed 's/^/   /g; s/   ✖/✖/g'
				echo ""
				echo "   Install \"torsocks\" from your system package manager and retry!" 
				return 0
			fi
		fi
	fi
	if grep -q "api.github.com" ./"$arg"; then
		GH_API_ALLOWED=$(curl -Ls $HeaderAuthWithGITPAT https://api.github.com/repos/ivan-hc/AM/releases/latest | sed 's/[()",{} ]/\n/g' | grep "^ivan-hc" | head -1)
		if [ -z "$GH_API_ALLOWED" ]; then
			if command -v torsocks 1>/dev/null; then
				$SUDOCMD torsocks ./"$arg"
			else
				echo " 💀 Cannot install \"$arg\", you have reached GitHub API limit." \
				| fold -sw 72 | sed 's/^/   /g; s/   ✖/✖/g'
				echo ""
				echo "   Install \"torsocks\" from your system package manager and retry!" 
				return 0
			fi
		else
			$SUDOCMD ./"$arg"
		fi
	else
		$SUDOCMD ./"$arg"
	fi
	echo ""
	_post_installation_processes
	_ending_the_installation
}

####################
# INSTALLATION CASES
####################

# This function is for local installation scripts
_install_local_script() {
	path2arg="$arg"
	arg=$(echo "$path2arg" | sed 's:.*/::')
	mkdir -p "$AMCACHEDIR"/tmp && rm -f "$AMCACHEDIR"/tmp/* \
		&& cp "$path2arg" "$AMCACHEDIR"/tmp/"$arg" && cd "$AMCACHEDIR" \
		&& mv ./tmp/"$arg" ./"$arg" && rmdir ./tmp || return
	if ! test -d "$APPSPATH"/"$arg"; then
		_install_arg
	else
		echo " ◆ \"$arg\" is already installed!" | tr '[:lower:]' '[:upper:]'
	fi
}

# This is for scripts hosted on the official online database
_install_normally() {
	mkdir -p "$AMCACHEDIR"/tmp && rm -f "$AMCACHEDIR"/tmp/* || return
	curl -Ls "$APPSDB"/"$arg" > "$AMCACHEDIR"/tmp/"$arg" || return
	cd "$AMCACHEDIR" && mkdir -p tmp && cd tmp || return
	cd "$AMCACHEDIR" && mv ./tmp/"$arg" ./"$arg" && rmdir ./tmp || return
	_install_arg
}

################################################################################
#				USAGE
################################################################################

case "$1" in
	'-d'|'download')
		case $2 in
		'--convert')
			[ -z "$3" ] && echo " USAGE: $AMCLI $1 $2 [ARGUMENT]" && exit 1
			;;
		'')
			echo " USAGE: $AMCLI $1 [ARGUMENT]"
			echo " USAGE: $AMCLI $1 --convert [ARGUMENT]"
			exit 1
			;;
		esac
		if [ "$2" = "--convert" ]; then
			entries="$(echo "$@" | cut -f3- -d ' ')"
			for arg in $entries; do
				_download
				_convert_to_appman_compatible_script
			done
		else
			entries="$(echo "$@" | cut -f2- -d ' ')"
			for arg in $entries; do
				_download
			done
		fi
		;;

	'-i'|'install')
		[ "$AMCLI" = "am" ] && echo "$@" | grep -q -- "--user" && _appman

		case $2 in
		'')
			echo " USAGE: $AMCLI $1 [ARGUMENT]"
			echo " USAGE: $AMCLI $1 --debug [ARGUMENT]"
			echo " USAGE: $AMCLI $1 --force-latest [ARGUMENT]"
			[ "$AMCLI" = "am" ] && echo " USAGE: $AMCLI $1 --user [ARGUMENT]"
			exit 1
			;;
		esac

		[ "$AMCLI" = "am" ] && { $SUDOCMD printf "\r" || exit 1; }

		echo "============================================================================"
		echo ""
		printf "                  %bSTART OF ALL INSTALLATION PROCESSES\033[0m\n" "${LightBlue}"
		echo ""
		echo "============================================================================"
		_clean_amcachedir 2>/dev/null

		entries="$(echo "$@" | cut -f2- -d ' ' | tr ' ' '\n' | grep -v -- "--")"
		FLAGS=$(echo "$@" | tr ' ' '\n' | grep -- "--" | tr '\n ' ' ')
		METAPACKAGES="kdegames kdeutils node platform-tools"

		for arg in $entries; do
			echo ""
			cd "$REALDIR" || return
			# If the "tmp" directory is not removed, the installation failed, so remove the app
			if [ -d "$APPSPATH"/"$arg"/tmp ]; then
				$SUDOCMD "$APPSPATH"/"$arg"/remove 2> /dev/null
			fi
			# Various cases that may occur during installation
			if test -f "$APPSPATH"/"$arg"/remove; then
				echo " ◆ \"$arg\" is already installed!" | tr '[:lower:]' '[:upper:]'
			else
				if echo "$arg" | grep -q "/"; then
					if test -f "$arg" 2> /dev/null; then
						_install_local_script
					else
						echo " 💀 ERROR: the file \"$arg\" does NOT exist"
					fi
				elif curl --output /dev/null --silent --head --fail "$APPSDB"/"$arg"  1>/dev/null; then
					_install_normally
				else
					echo " 💀 ERROR: \"$arg\" does NOT exist in the database, see \"$AMCLI -l\""
				fi
			fi
			echo "____________________________________________________________________________"
		done
		if [ -f "$AMCACHEDIR"/installed ]; then
			echo "============================================================================"
			printf "\n                  %bEND OF ALL INSTALLATION PROCESSES\n\033[0m" "${LightBlue}"
			printf "\n             The following new programs have been installed:\n\n"
			grep -w -v "◆ am" 0<"$AMCACHEDIR"/installed
			echo ""
			echo "============================================================================"
			exit 0
		else
			exit 1
		fi
		;;

	'-ia'|'install-appimage')
		AMCLIPATH_ORIGIN="$AMCLIPATH"
		[ "$AMCLI" = "am" ] && echo "$@" | grep -q -- "--user" && _appman

		rm -f "$AMCACHEDIR"/install-args

		entries="$(echo "$@" | cut -f2- -d ' ' | tr ' ' '\n' | grep -v -- "--")"
		FLAGS=$(echo "$@" | tr ' ' '\n' | grep -- "--" | tr '\n ' ' ')
		APPIMAGE_NAMES=$(curl -Ls https://portable-linux-apps.github.io/appimages.md | tr '/)' '\n' | grep -i ".md$" | uniq | sed 's/.md$//g' | grep -v "\[")

		rm -f "$AMCACHEDIR/$ARCH-appimages"
		for appimage in $APPIMAGE_NAMES; do
			grep "◆ $appimage :" "$AMDATADIR/$ARCH-apps" >> "$AMCACHEDIR/$ARCH-appimages" &
		done
		for arg in $entries; do
			if grep -q "^◆ $arg : " "$AMCACHEDIR/$ARCH-appimages"; then
				echo "$arg" >> "$AMCACHEDIR"/install-args
			else
				arg="$arg-appimage"
				if ! grep -q "^◆ $arg : " "$AMCACHEDIR/$ARCH-appimages"; then
					echo " ✖ \"$(echo "$arg" | sed 's/-appimage//g')\" is not an Appimage"
				else
					echo "$arg" >> "$AMCACHEDIR"/install-args
				fi
			fi
		done
		APPIMAGES_ARGS=$(<"$AMCACHEDIR"/install-args sed 's/\n/ /g')
		"$AMCLIPATH_ORIGIN" -i $FLAGS "$APPIMAGES_ARGS"
		exit 1
		;;

	'-e'|'extra')
		AMCLIPATH_ORIGIN="$AMCLIPATH"
		if [ -z "$2" ] || [ -z "$3" ]; then
			echo " USAGE: $AMCLI $1 user/project [ARGUMENT]"
			echo " USAGE: $AMCLI $1 user/project [ARGUMENT] [KEYWORD]"
			echo " USAGE: $AMCLI $1 --user user/project [ARGUMENT]"
			echo " USAGE: $AMCLI $1 --user user/project [ARGUMENT] [KEYWORD]"
			exit 1
		fi
		case $2 in
		'--user')
			USER_PROJECT=$(echo "$3" | sed 's#https://github.com/##g' | cut -f1,2 -d'/')
			EXTERNAL_APP_NAME="$4"
			APP_KEYWORD="$5"
			;;
		*)
			USER_PROJECT=$(echo "$2" | sed 's#https://github.com/##g' | cut -f1,2 -d'/')
			EXTERNAL_APP_NAME="$3"
			APP_KEYWORD="$4"
			;;
		esac
		mkdir -p "$CACHEDIR/extra"
		curl -Ls "$AMREPO"/templates/AM-SAMPLE-AppImage > "$CACHEDIR/extra/$EXTERNAL_APP_NAME" || exit 1
		sed -i "s#APP=SAMPLE#APP=$EXTERNAL_APP_NAME#g" "$CACHEDIR/extra/$EXTERNAL_APP_NAME"
		API_GITHUB_REPO="https://api.github.com/repos/$USER_PROJECT/releases"
		sed -i "s#REPLACETHIS#$USER_PROJECT#g" "$CACHEDIR/extra/$EXTERNAL_APP_NAME"
		q="'"
		if [ "$ARCH" = "x86_64" ]; then
			FILTER=' | grep -vi "i386\\|i686\\|i586\\|i486\\|aarch64\\|arm64\\|armv7l"'
		elif [ "$ARCH" = "i686" ]; then
			FILTER=' | grep -ie "i386\\|i686\\|i586\\|i486" '
		elif [ "$ARCH" = "aarch64" ]; then
			FILTER=' | grep -ie "aarch64\\|arm64" '
		fi
		FUNCTION='curl -Ls '"$API_GITHUB_REPO"' | sed '"$q"'s/[()",{} ]/\\n/g'"$q"' | grep -oi "https.*mage$"'"$FILTER"' | head -1'
		sed -i "s#FUNCTION)#$FUNCTION)#g" "$CACHEDIR/extra/$EXTERNAL_APP_NAME"
		[ -n "$APP_KEYWORD" ] && sed -i "s# head -1# grep -i \"$APP_KEYWORD\" | head -1#g" "$CACHEDIR/extra/$EXTERNAL_APP_NAME"
		chmod a+x "$CACHEDIR/extra/$EXTERNAL_APP_NAME"
		[ "$AMCLI" = "am" ] && [ "$2" = "--user" ] && "$AMCLIPATH_ORIGIN" -i --user "$CACHEDIR/extra/$EXTERNAL_APP_NAME" \
		|| "$AMCLIPATH_ORIGIN" -i "$CACHEDIR/extra/$EXTERNAL_APP_NAME"
		exit 1
		;;
esac