|
@@ -1,180 +0,0 @@
|
|
|
-#!/bin/bash
|
|
|
-
|
|
|
-function url_str {
|
|
|
- echo $1\
|
|
|
- | awk '{gsub("-","+"); gsub("_","/"); gsub(",",""); print}'
|
|
|
-}
|
|
|
-function json_req {
|
|
|
- wget -q -O- --post-data="$1" --header='Content-Type:application/json' "https://g.api.mega.co.nz/cs$2"
|
|
|
-}
|
|
|
-function key_solver {
|
|
|
- echo -n $1 \
|
|
|
- | base64 --decode --ignore-garbage \
|
|
|
- 2> /dev/null \
|
|
|
- | xxd -p \
|
|
|
- | tr -d '\n'
|
|
|
-}
|
|
|
-function json_post {
|
|
|
- echo $2\
|
|
|
- | awk -v c=$1 -F'"' '{for(i = 1; i <= NF; i++)
|
|
|
- {if($i==c)
|
|
|
- if((c=="t")||(c=="s")||(c=="ts"))
|
|
|
- {gsub(/[[:punct:]]/,"",$(i+1));print $(i+1);}
|
|
|
- else
|
|
|
- {print $(i+2);}
|
|
|
- }
|
|
|
- }'
|
|
|
-}
|
|
|
-function key_dec {
|
|
|
- local var=$(key_solver "$(url_str $key)")
|
|
|
- echo $(url_str $1)\
|
|
|
- | openssl enc -a -d -A -aes-128-ecb -K $var -iv "00000000000000000000000000000000" -nopad \
|
|
|
- 2> /dev/null \
|
|
|
- | base64
|
|
|
-}
|
|
|
-function size {
|
|
|
- local i=0
|
|
|
- local var=$1
|
|
|
- local pad=$(((4-${#var}%4)%4))
|
|
|
- for i in $(seq 1 $pad); do
|
|
|
- var="$var="
|
|
|
- done
|
|
|
- echo $var
|
|
|
-}
|
|
|
-function meta_dec_key {
|
|
|
- local var
|
|
|
- var[0]=$(( 0x${1:00:16} ^ 0x${1:32:16} ))
|
|
|
- var[1]=$(( 0x${1:16:16} ^ 0x${1:48:16} ))
|
|
|
- meta_key=$(printf "%016x" ${var[*]})
|
|
|
- meta_iv="${1:32:16}0000000000000000"
|
|
|
-}
|
|
|
-function meta_dec {
|
|
|
- echo -n $2 \
|
|
|
- | openssl enc -a -A -d -aes-128-cbc -K $1 -iv "00000000000000000000000000000000" -nopad \
|
|
|
- | tr -d '\0' \
|
|
|
- 2> /dev/null
|
|
|
-}
|
|
|
-function mega_link_vars {
|
|
|
- if [[ "$1" == *"/#"* ]]; then
|
|
|
- id=`echo $1 | awk -F'!' '{print $2}'`
|
|
|
- key=`echo $1 | awk -F'!' '{print $3}'`
|
|
|
- fld=`echo $1 | awk -F'!' '{print $1}'`
|
|
|
- elif [[ "$1" == *"/folder"*"/file"* ]]; then
|
|
|
- fld=`echo $1 | awk '{gsub(/(folder\/).*/,"folder/");print}'`
|
|
|
- id=`echo $1 | awk -F'/' '{print $(NF-2)}' | awk -F# '{print $1}'`
|
|
|
- key=`echo $1 | awk -F'/' '{print $(NF-2)}' | awk -F# '{print $2}'`
|
|
|
- fid=`echo $1 | awk -F'/' '{print $NF}'`
|
|
|
- else
|
|
|
- fld=`echo $1 | awk '{gsub(/[^\/]*$/,"");print}'`
|
|
|
- id=`echo $1 | awk -F'/' '{print $NF}' | awk -F# '{print $1}'`
|
|
|
- key=`echo $1 | awk -F'/' '{print $NF}' | awk -F# '{print $2}'`
|
|
|
- fi
|
|
|
-}
|
|
|
-function file_downdec {
|
|
|
- echo $1
|
|
|
- echo $2
|
|
|
- echo $3
|
|
|
- echo $4
|
|
|
- wget -O "$2".tmp $speed -q --show-progress "$1"
|
|
|
- cat "$2.tmp" \
|
|
|
- | openssl enc -d -aes-128-ctr -K $3 -iv $4 \
|
|
|
- > "$2"
|
|
|
- rm -f "$2".tmp
|
|
|
-}
|
|
|
-function file_down {
|
|
|
- wget -O "$2".tmp $speed -q --show-progress "$1"
|
|
|
- mv "$2".tmp "$2"
|
|
|
-}
|
|
|
-function tree_gen {
|
|
|
- local i=0
|
|
|
- while [[ $i -lt $2 ]] && ! [[ ${names[i]} == "$1" ]]; do
|
|
|
- let i++
|
|
|
- done
|
|
|
- if ! [[ $i == $2 ]]; then
|
|
|
- tree_gen ${parents[i]} $2
|
|
|
- meta_dec_key "$(key_solver $(key_dec $(size ${keys[i]})))"
|
|
|
- file_name="$(json_post 'n' "$(meta_dec $meta_key $(size $(url_str ${attrs[i]})))")"
|
|
|
- path=$path/$file_name
|
|
|
- fi
|
|
|
-}
|
|
|
-function error {
|
|
|
- echo -e "\033[31merror\e[0m: $1" 1>&2
|
|
|
- exit 1
|
|
|
-}
|
|
|
-function mega {
|
|
|
- mega_link_vars $1
|
|
|
- if [ "${fld: -1}" == "F" ] || [[ "$fld" == *"folder"* ]];then
|
|
|
- json_req '[{"a":"f","c":1,"ca":1,"r":1}]' "?id=&n=$id" > .badown.tmp
|
|
|
- [[ $(file .badown.tmp) == *"gzip"* ]] && response1=$(cat .badown.tmp | gunzip) || response1=$(cat .badown.tmp)
|
|
|
- keys=($(json_post 'k' $response1 | awk -F':' '{print $2}'))
|
|
|
- names=($(json_post 'h' $response1 ))
|
|
|
- types=($(json_post 't' $response1 ))
|
|
|
- attrs=($(json_post 'a' $response1 ))
|
|
|
- sizes=($(json_post 's' $response1 ))
|
|
|
- parents=($(json_post 'p' $response1 ))
|
|
|
- for i in $(seq 0 $((${#types[@]}-1)));do
|
|
|
- unset path
|
|
|
- tree_gen ${parents[i]} $((${#types[@]}-1))
|
|
|
- meta_dec_key "$(key_solver $(key_dec $(size ${keys[i]})))"
|
|
|
- file_name="$(json_post 'n' "$(meta_dec $meta_key $(size $(url_str ${attrs[i]})))")"
|
|
|
- path=$path/$file_name
|
|
|
- #echo -e "===\n${keys[i]}\n${names[i]}\n${types[i]}\n${attrs[i]}\n${sizes[i]}\n${parents[i]}\n"
|
|
|
- #hint if specific folder is specified in names and parents hold value
|
|
|
- #probably modify the init phase of mega function to carry new argument of specific folder to download
|
|
|
- #maybe add if condition to test how path relate to folder we want to download
|
|
|
- if [ -z $fid ]; then
|
|
|
- if [ ${types[i]} == 1 ];then
|
|
|
- sleep .5;mkdir -p "$PWD$path"
|
|
|
- elif [ ${types[i]} == 0 ];then
|
|
|
- file_url=$(json_post 'g' $(json_req "[{\"a\":\"g\",\"g\":1,\"n\":\"${names[i]}\"}]" "?id=&n=$id"))
|
|
|
- file_downdec $file_url "$file_name" $meta_key $meta_iv
|
|
|
- sleep .5;mv "$file_name" "$PWD$path"
|
|
|
- fi
|
|
|
- else
|
|
|
- [ $fid == ${names[i]} ] &&\
|
|
|
- file_url=$(json_post 'g' $(json_req "[{\"a\":\"g\",\"g\":1,\"n\":\"${names[i]}\"}]" "?id=&n=$id")) &&\
|
|
|
- file_downdec $file_url "$file_name" $meta_key $meta_iv
|
|
|
- fi
|
|
|
- done
|
|
|
- elif [ "${fld: -1}" == "#" ] || [[ "$fld" == *"file"* ]];then
|
|
|
- meta_dec_key $(key_solver $(url_str $key))
|
|
|
- name_key=$(url_str $(json_post 'at' $(json_req "[{\"a\":\"g\", \"p\":\"$id\"}]" '?id=&ak=')))
|
|
|
- file_name="$(json_post 'n' "$(meta_dec $meta_key $(size $name_key))")"
|
|
|
- file_url=$(json_post 'g' $(json_req "[{\"a\":\"g\",\"g\":1,\"p\":\"$id\"}]" '?'))
|
|
|
- file_downdec $file_url "$file_name" $meta_key $meta_iv
|
|
|
- fi
|
|
|
- if [ -f .badown.tmp ]; then rm .badown.tmp;fi
|
|
|
-}
|
|
|
-function switch {
|
|
|
- if [[ "$1" == *"mega"* ]]
|
|
|
- then
|
|
|
- mega "$1"
|
|
|
- else
|
|
|
- showhelp;exit 1
|
|
|
- fi
|
|
|
-}
|
|
|
-function showhelp {
|
|
|
- echo -e "badown 0.4"
|
|
|
- echo -e "bash downloader for hostsite mega.io"
|
|
|
- echo -e "badown [OPTION] ['URL']"
|
|
|
- echo -e "\tOptions:"
|
|
|
- echo -e "\t-s,\t--speed SPEED Download speed limit (integer values: 500B, 70K, 2M)."
|
|
|
- echo -e "\t-h,\t--help Display this help."
|
|
|
- echo -e ""
|
|
|
- echo -e "if you find a bug, contact me @github -stck_lzm"
|
|
|
-}
|
|
|
-TEMP=$(getopt -o "s:h" --long "speed:,help" -n badown -- "$@")
|
|
|
-[ $? -eq 0 ] || {
|
|
|
-echo "Incorrect options provided"
|
|
|
-exit 1
|
|
|
-}
|
|
|
-eval set -- "$TEMP"
|
|
|
-while true; do
|
|
|
- case "$1" in
|
|
|
- -s|--speed) speed=" --limit-rate $2"; shift 2;;
|
|
|
- -h|--help) showhelp; exit 1;;
|
|
|
- --) shift; break;;
|
|
|
- **) showhelp;exit 1;;
|
|
|
- esac
|
|
|
-done
|
|
|
-switch $1
|