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script para descargar automáticamente archivos alojados en Megaupload
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#!/usr/bin/env bash | |
# Copyright (c) 2011, Jhonathan Sneider Salguero Villa (http://www.novatoz.com/) | |
# Permission is hereby granted, free of charge, to any person obtaining a copy | |
# of this software and associated documentation files (the "Software"), to deal | |
# in the Software without restriction, including without limitation the rights | |
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
# copies of the Software, and to permit persons to whom the Software is | |
# furnished to do so, subject to the following conditions: | |
# The above copyright notice and this permission notice shall be included in | |
# all copies or substantial portions of the Software. | |
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | |
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | |
# THE SOFTWARE | |
# El nuevo tiempo de espera es de 60s pero al perecer hay que esperar un poco mas | |
WAIT=65 | |
GREEN="\033[0;32m" | |
RED="\033[0;31m" | |
END="\033[0m" | |
PROG=$(basename $0) | |
USAGE="Uso: $PROG [OPCIÓN]... [URL]" | |
HELP="$USAGE | |
Descarga automática de archivos alojados en Megaupload | |
ARGUMENTOS: | |
URL URL de megaupload | |
OPCIONES: | |
-h, --help mostrar este mensaje de ayuda | |
-i FILE, --input-file FILE | |
Obtener links desde un archivo de texto | |
-c URL, --crawler URL | |
Extraer links de archivo ubicado en URL" | |
# Extraer link de Megaupload | |
# ========================== | |
get_link () { | |
if [ $# -gt 0 ]; then | |
echo -e "$1" | sed -n '/download_regular_usual/ s:.*href="\([^"]*\).*:\1:p' | |
fi | |
} | |
# Extraer nombre de dominio de una URL | |
# ==================================== | |
get_domain_name () { | |
if [ $# -gt 0 ]; then | |
# El nombre de dominio está: | |
# después de http:// (si lo hay) y antes del primer slash | |
echo "$1" | sed 's_\(http://\)\?\([^/]*\).*_\2_' | |
fi | |
} | |
# Obtener IP de un nombre de dominio | |
# =================================== | |
get_ip () { | |
if [ $# -gt 0 ]; then | |
ping -c1 $1 | head -1 | sed "s:.*(\([0-9]*\.[0-9]*\.[0-9]*\.[0-9]*\)).*:\1:g" | |
fi | |
} | |
# Desplegar mensaje de espera con cuenta regresiva | |
# ================================================ | |
please_wait () { | |
for i in `seq 0 $1`; do | |
printf "\rPor favor espere: %-2d" "$(($1-$i))" | |
sleep 1 | |
done | |
echo | |
} | |
# Sustituir nombre de dominio en una URL por su IP | |
# ================================================ | |
dn_to_ip () { | |
if [ $# -gt 0 ]; then | |
dn=$(get_domain_name "$1") | |
ip=$(get_ip $dn) | |
echo "$1" | sed "s:$dn:$ip:" | |
fi | |
} | |
# Filtrar links de Megaupload | |
# =========================== | |
link_filter () { | |
echo -e "$1" | sed 's:</a>:\n:gi' | sed -n 's_.*\(\(http://\)\?www.megaupload.com/?d=[a-z0-9]\+\).*_\1_igp' | uniq | |
} | |
# Descargar un Archivo de Megaupload | |
# ================================== | |
download () { | |
# 1. Descargar pagina de megaupload y obtener link de descarga | |
echo -e "${GREEN}Procesando $1${END}" | |
link_mega=$(dn_to_ip $1) | |
link=$(get_link "$(wget -O - $link_mega 2>/dev/null)") | |
if [ "$link" ]; then | |
# 2. sustituir nombre de dominio con ip | |
link=$(dn_to_ip "$link") | |
# 3. Esperar 45 segundos | |
please_wait $WAIT | |
# Corregir error que impedía descargar archivos cuyos nombres contuvieran caracteres no ascii | |
# los cuales son codificados usando html entites (http://www.w3.org/TR/REC-html40/sgml/entities.html) | |
# antes http://www465.megaupload.com/files/f4c0e7f8f1f/Capacitación.mp4 | |
# despues http://www465.megaupload.com/files/f4c0e7f8f1f/Capacitación.mp4 | |
link="$(echo $link | w3m -cols 1000 -T text/html -dump)" | |
# 4. descargar Archivo | |
wget -c "$link" | |
else | |
echo -e "${RED}Error: Favor compruebe el link $1${END}" | |
fi | |
} | |
# Solo es posible usar una opción | |
# =============================== | |
case "$1" in | |
-i|--input-file) | |
input=$(cat "$2" 2>&1) | |
error=$? | |
;; | |
-c|--crawler) | |
input=$(wget -O - "$2" 2>&1) | |
error=$? | |
;; | |
*www.megaupload.com*) | |
input=$(echo $* | tr " " "\n") | |
error=$? | |
;; | |
-h|--help) | |
echo -e "$HELP" | |
exit 0 | |
;; | |
* ) | |
echo "$USAGE" | |
echo "Intente $PROG --help" | |
exit 1 | |
;; | |
esac | |
if [ $error != 0 ]; then | |
echo -e "$input" | |
echo "Error: Intente $PROG --help" | |
exit 1 | |
fi | |
# Descargar todos los archivos | |
for link in `link_filter "$input"`; do | |
download "$link" | |
done |
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