#!/bin/bash

version=07/09/2017

	# si $1=all affichage complet
f__affichage(){		# v07/09/2017
		# définition couleurs
	YELLOW="$(printf "\033[0;33m")"		# ?
	 GREEN="$(printf "\033[0;32m")"		# ok
	  BLUE="$(printf "\033[0;34m")"		# info
	   RED="$(printf "\033[0;31m")"		# alerte
	 COLOR="$(printf "\033[0m")"		# standard
	[ "$1" == all ] || return
	clear
	printf "$YELLOW"
	[ "$(which figlet)" ] && figlet -w120 "$(basename $0)" || echo -e "\t\t\t$(basename $0)"
	echo -e "$GREEN\t\t\tversion $version$COLOR\n"
}

f_help(){		# v07/09/2017
	f__affichage all
printf $BLUE
cat << 'EOF'
  ----------------------------------------------------------------------
  === versions Thunderbird ===
  latest: x.y.z      Beta: x.y.z
    pour chaque architecture linux ou linux64 (32 ou 64 bits):
    ==========================================================
  canal: url récup canal		HTTP/1.1 302 Found HTTP/1.1 200 OK 
  Location: url réelle de l'archive du canal si redirection

  ----------------------------------------------------------------------
  liens de téléchargement manuels:
  latest : https://www.mozilla.org/fr/thunderbird/
  beta   : https://www.mozilla.org/fr/thunderbird/channel/

EOF
	printf $COLOR
	exit
}

	# $1 url à tester, si $2=loc affiche seulement location, affiche url testée, entêtes http, location si présente
f__wget_test_diag(){		#v07/09/2017
	local file_test_wget retourHttp location
	file_test_wget="/tmp/testWget-$RANDOM"
	wget -Sq --tries=1 --timeout=10 --user-agent="$user_agent" --spider --save-headers "$1" &>"$file_test_wget" || retourWget="$?"
	[ "$retourWget" == 1 ] && retourWget="code erreur générique"
	[ "$retourWget" == 2 ] && retourWget="parse erreur (ligne de commande?)"
	[ "$retourWget" == 3 ] && retourWget="erreur Entrée/sortie fichier"
	[ "$retourWget" == 4 ] && retourWget="défaut réseau"
	[ "$retourWget" == 5 ] && retourWget="défaut vérification SSL"
	[ "$retourWget" == 6 ] && retourWget="défaut authentification"
	[ "$retourWget" == 7 ] && retourWget="erreur de protocole"
	[ "$retourWget" == 8 ] && retourWget="réponse serveur en erreur"
	retourHttp="$(grep -i 'HTTP/' "$file_test_wget" | tr -d '\n' | xargs)"
	location="$(grep -i 'location' $file_test_wget | xargs)"
	if [ "$2" == "loc" ]; then
		[ "$location" ] && echo "$YELLOW  $location$COLOR" || echo "$YELLOW  no location$COLOR"
		return
	fi
	if [ "$retourWget" ]; then 
		echo "erreur wget: $RED$retourWget$COLOR" 
		echo -e "$BLUE  $1$COLOR\t$RED  $retourHttp$COLOR"
		[ "$location" ] && echo "$YELLOW  $location" || echo "$YELLOWno location"
	else
		echo -e "$BLUE  $1$COLOR\t$GREEN  $retourHttp$YELLOW" 
		[ "$location" ] && echo "  $location" || echo "  no location"
	fi
	printf "$COLOR"
	rm  "$file_test_wget"
}

test_url_dl_thunderbird(){		# v 07/09/2017
	local recup_url architecture
for architecture in linux linux64; do
	echo "    Architecture: $architecture"
	echo "    ====================="
	for produit in latest beta; do
		[ "$produit" == "beta" ] && prefixe="$produit-"
		recup_url="https://download.mozilla.org/?product=thunderbird-$prefixe""latest&os=$architecture&lang=fr"
		printf "  $produit":
		f__wget_test_diag "$recup_url"
	done
done
}

	# assigne $verLatest, $verBeta
test_version_thunderbird(){		# v 07/09/2017
	local recup_url prefixe version
	architecture="linux64"
	echo -e "\n  === versions Thunderbird ==="
	for produit in latest beta; do
		[ "$produit" == "beta" ] && prefixe="$produit-"
		recup_url="https://download.mozilla.org/?product=thunderbird-$prefixe""latest&os=$architecture&lang=fr"
		version="$(sed -E 's#.*thunderbird/releases/(.*)/linux-.*$#\1#' <<< $(f__wget_test_diag "$recup_url" "loc"))"
		if [ "$produit" == "latest" ]; then 
			verLatest="$(sed -E 's#.*thunderbird/releases/(.*)/linux-.*$#\1#' <<< $(f__wget_test_diag $recup_url loc))"
		elif [ "$produit" == "beta" ]; then 
			verBeta="$(sed -E 's#.*thunderbird/releases/(.*)/linux-.*$#\1#' <<< $(f__wget_test_diag $recup_url loc))"
		fi
	done
	[ "$verLatest" ] || verLatest="$RED""NA"
	[ "$verBeta" ] || verBeta="$RED""NA"
	echo -e "  latest: $GREEN$verLatest$COLOR      Beta: $GREEN$verBeta$COLOR"
}

	# start
user_agent="Mozilla/5.0 Firefox"
f__affichage
[ "$1" == "-h" ] && f_help

test_version_thunderbird
echo
test_url_dl_thunderbird
echo

exit

autres liens
https://releases.mozilla.org/pub/thunderbird/releases/latest/
https://releases.mozilla.org/pub/thunderbird/releases/latest-beta/
https://releases.mozilla.org/pub/thunderbird/nightly/latest-comm-central-l10n/