#!/bin/bash

version=16/01/2018

	# si $1=all affichage complet
f__affichage(){		# 5/12/2017
		# définition couleurs
	YELLOW="$(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
	   STD="$(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(){		# 07/09/2017
	f__affichage all
printf $BLUE
cat << 'EOF'
  ----------------------------------------------------------------------
  === versions Firefox ===
  latest: x.y.z      esr: x.y.z      beta/dev: x.y.z      nightly : 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

  === Tor Browser ===
  Tor Browser: x.y.z
  url récup Tor Browser		HTTP/1.1 302 Found HTTP/1.1 200 OK 
  Location: url réelle de l'archive Tor Browser si redirection
  --------
  HTTP:		302: redirection temporaire (normal) 200: archive trouvée, téléchargeable
		une erreur 404 indiquerait une nouvelle url à déterminer
		une erreur 5xx indiquerait une erreur au niveau du serveur, réessayer +tard
		une erreur 4xx.. humm, réessayer +tard?
  x.y.z		la version est bien détectée
		NA la version n'est pas accessible, revoir cette fonction
  ----------------------------------------------------------------------
  liens de téléchargement manuels:
  latest & esr :         https://www.mozilla.org/en-US/firefox/notes/
  beta / dev / nightly : https://www.mozilla.org/fr/firefox/channel/desktop/
  Tor Browser :          https://www.torproject.org/projects/torbrowser.html.en

EOF
	printf $COLOR
	exit
}

f__error(){ 	# 16/01/2018 divert
	:
}

	# test wget, $1=url à tester, $2=''|print|loc|test
	# par défaut, sortie du script (même si url testée ok) avec affichage erreur ou ok
	# si $2=print affiche url testée & entêtes http & location, return 0
	# si $2=loc affiche seulement location, return 0
	# si $2=test return 0 si ok, return 1 si KO
f__wget_test(){		# 16/01/2018
	local file_test_wget="/tmp/testWget-$script" retourWget retourHttp location

	wget -Sq --timeout=5 --tries=2 --user-agent="$user_agent" --spider --save-headers "$1" &>"$file_test_wget"
	retourWget="$?"
	[ "$retourWget" == 1 ] && retourWget="1: code erreur générique"
	[ "$retourWget" == 2 ] && retourWget="2: parse erreur (ligne de commande?)"
	[ "$retourWget" == 3 ] && retourWget="3: erreur Entrée/sortie fichier"
	[ "$retourWget" == 4 ] && retourWget="4: défaut réseau"
	[ "$retourWget" == 5 ] && retourWget="5: défaut vérification SSL"
	[ "$retourWget" == 6 ] && retourWget="6: défaut authentification"
	[ "$retourWget" == 7 ] && retourWget="7: erreur de protocole"
	[ "$retourWget" == 8 ] && retourWget="8: réponse serveur en erreur"
	retourHttp=$( grep -i 'HTTP/' "$file_test_wget" | tr -d '\n' | xargs )
	location=$( grep -i 'location' $file_test_wget | xargs )
	if [ "$2" == "test" ]; then
		rm -f "$file_test_wget"
			# spécial maintenance frama.link, pas de redirection sur page status framalink
		grep -q '303' <<< $retourHttp && return 1			# 303 See Other
		[ "$retourWget" == "0" ] && return 0 || return 1
	fi
	if [ "$2" == "print" ]; then
		if [ "$retourWget" != "0" ]; then
			echo "  erreur wget: erreur $RED$retourWget" 
			echo -e "$BLUE  $1$STD\t$RED  $retourHttp$STD"
		else
			echo -e "$BLUE  $1$STD\t$GREEN  $retourHttp$STD" 
		fi
	fi
	if [ "$2" == "print" ] || [ "$2" == "loc" ]; then
		[ "$location" ] && echo -n "$YELLOW  $location" || echo -n "$YELLOW  no location"
		echo "$STD"
		rm -f "$file_test_wget"
		return 0
	fi
	if [ "$retourWget" != "0" ]; then
		rm -f "$file_test_wget"
		f__error "wget, erreur $retourWget" "$1" "$YELLOW$retourHttp" "$location"
		echo -e "$RED   erreur wget, $retourWget \n  $1 \n  $YELLOW$retourHttp \n  $location$STD" # pour les diags
		return 1
	fi
	if grep -q '200' <<< $retourHttp; then 
		echo -e "$GREEN\ntout est ok, réessayer$STD\n"
	fi
	rm -f "$file_test_wget"
	exit 0
}

	# assigne $verLatest, $verEsr, $verBeta, $verNightly
test_version_firefox(){		# 07/09/2017
	echo -e "\n  === versions Firefox ==="
	local recup_url

	recup_url="https://www.mozilla.org/en-US/firefox/notes/"
	wget -q --tries=1 --timeout=10 --user-agent="$user_agent" -O - "$recup_url" &>"$file_tempo_test"
	verLatest="$(grep -Eo 'data-latest-firefox="[0-9\.]+"' $file_tempo_test  | grep -Eo '[0-9\.]+')"
	verEsr="$(grep -Eo 'data-esr-versions="[0-9\.]+"' $file_tempo_test | grep -Eo '[0-9\.]+')"

	recup_url="https://download.mozilla.org/?product=firefox-beta-latest&os=linux64&lang=fr"
	wget -Sq --tries=1 --timeout=10 --user-agent="$user_agent" --spider --save-headers "$recup_url" &>"$file_tempo_test"
	verBeta="$(grep -i 'location' $file_tempo_test | sed -E 's/.*firefox-(.*)\.tar.bz2/\1/')"

	recup_url="https://download.mozilla.org/?product=firefox-nightly-latest-l10n-ssl&os=linux64&lang=fr"
	wget -Sq --tries=1 --timeout=10 --user-agent="$user_agent" --spider --save-headers "$recup_url" &>"$file_tempo_test"
	verNightly="$(grep -i 'location' $file_tempo_test | sed -E 's/.*firefox-(.*)\.fr.linux.*/\1/')"

	[ "$verLatest" ] || verLatest="$RED""NA"
	[ "$verEsr" ] || verEsr="$RED""NA"
	[ "$verBeta" ] || verBeta="$RED""NA"
	[ "$verNightly" ] || verNightly="$RED""NA"

	echo -e "  latest: $GREEN$verLatest$COLOR      esr: $GREEN$verEsr$COLOR      beta: $GREEN$verBeta$COLOR      nightly : $GREEN$verNightly$COLOR"
}

test_url_dl_firefox(){		# 5/12/2017
for fu_archi in linux linux64; do
	echo "    Architecture: $fu_archi"
	echo "    ====================="
	local recup_url
	for produit in latest esr beta dev nightly; do
		if [ "$produit" == "latest" ]; then 
			recup_url="https://download.mozilla.org/?product=firefox-$produit&os=$fu_archi&lang=fr"
		elif [ "$produit" == "esr" ] || [ "$produit" == "beta" ]; then 
			recup_url="https://download.mozilla.org/?product=firefox-$produit-latest&os=$fu_archi&lang=fr"
		elif [ "$produit" == "dev" ]; then 
			recup_url="https://download.mozilla.org/?product=firefox-$produit""edition-latest-ssl&os=$fu_archi&lang=fr"
		elif [ "$produit" == "nightly" ]; then 
			recup_url="https://download.mozilla.org/?product=firefox-$produit-latest-l10n-ssl&os=$fu_archi&lang=fr"
		fi
		printf "  $produit:"
		f__wget_test "$recup_url" print
	done
done
}

	# assigne $verTor
test_version_torBrowser(){
	echo -e "\n  === Tor Browser ==="
	local recup_url="https://www.torproject.org/projects/torbrowser.html.en"
	wget -q --tries=2 --timeout=15 --user-agent="$user_agent" -O - "$recup_url" &>"$file_tempo_test"
	verTor="$(sed -En 's/^.*torbrowser\/([0-9.]*)\/.*_fr\.tar\.xz.*$/\1/p' $file_tempo_test | sed -n '1p')"
	[ "$verTor" ] || verTor="$RED""NA"
	echo -e "  Tor Browser: $GREEN$verTor$COLOR"
}

	#$1 version
test_url_dl_torBrowser(){		# 5/12/2017
	#https://www.torproject.org/dist/torbrowser/7.0.4/tor-browser-linux64-7.0.4_fr.tar.xz
	#https://www.torproject.org/dist/torbrowser/7.0.4/tor-browser-linux64-7.0.4_fr.tar.xz.asc
	local recup_url
	[ "$fu_archi" == "linux" ] && local archi="linux32" || local archi="$architecture"
	for archi in linux32 linux64; do
		recup_url="https://www.torproject.org/dist/torbrowser/$1/tor-browser-$archi-$1_fr.tar.xz"
		f__wget_test "$recup_url" print
	done
}


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

test_version_firefox
test_url_dl_firefox
test_version_torBrowser
test_url_dl_torBrowser "$verTor"
echo

rm $file_tempo_test

exit

autres liens
latest: https://www.mozilla.org/fr/firefox/new/
esr: https://www.mozilla.org/en-US/firefox/organizations/
------
https://download-installer.cdn.mozilla.net/pub/firefox/releases/latest/README.txt
https://download-installer.cdn.mozilla.net/pub/firefox/releases/latest-beta/README.txt

https://download.mozilla.org/?product=firefox-nightly-latest-l10n-ssl&os=linux&lang=fr
https://download-installer.cdn.mozilla.net/pub/firefox/releases/latest-esr/README.txt
------
périmé
https://archive.mozilla.org/pub/firefox/nightly/latest-mozilla-aurora-l10n/				404
https://download.mozilla.org/?product=firefox-aurora-latest-l10n-ssl&os=linux&lang=fr	404		dev edition