phoenix_firmware_dumper/utils/downloaders/mega-media-drive_dl.sh

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5.8 KiB
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#!/bin/bash
# Most part of this program which is used to download files from Mega.NZ and MediaFire is under Copyright to stck-lzm at https://github.com/stck-lzm/badown
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 $1}')
else
fld=$(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 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 file_downdec() {
printf "Downloading file %s...\n" "$2"
aria2c -c -s16 -x8 -m10 --console-log-level=warn --summary-interval=0 --check-certificate=false -o "$2".tmp "$1"
[[ ! -s "$2".tmp ]] && wget -O "$2".tmp -q --show-progress --progress=bar:force --no-check-certificate "$1"
cat "$2.tmp" | openssl enc -d -aes-128-ctr -K $3 -iv $4 >"$2"
rm -f "$2".tmp
}
function file_down() {
printf "Downloading file %s...\n" "$2"
aria2c -c -s16 -x8 -m10 --console-log-level=warn --summary-interval=0 --check-certificate=false -o "$2".tmp "$1"
[[ ! -s "$2".tmp ]] && wget -O "$2".tmp -q --show-progress --progress=bar:force --no-check-certificate "$1"
mv "$2".tmp "$2"
}
function mega() {
printf "Mega.NZ Website Link Detected\n"
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
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
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 $meta_iv
fi
}
function mediafire() {
printf "Mediafire Website Link Detected\n"
file_url=$(wget -q -O- $1 |
grep :\/\/download |
awk -F'"' '{print $2}')
file_name=$(printf '%b' "$(echo $file_url |
awk -F'/' '{gsub("%","\\x");gsub("+"," ");print $NF}')")
file_down $file_url "$file_name"
}
function gdrive() {
printf "Google Drive URL detected\n"
FILE_ID="$(echo "${1:?}" | sed -r 's/.*([0-9a-zA-Z_-]{33}).*/\1/')"
CONFIRM=$(wget --quiet --save-cookies /tmp/cookies.txt --keep-session-cookies --no-check-certificate "https://docs.google.com/uc?export=download&id=$FILE_ID" -O- | sed -rn 's/.*confirm=([0-9A-Za-z_]+).*/\1\n/p')
aria2c -c -s16 -x16 -m10 --console-log-level=warn --summary-interval=0 --check-certificate=false --load-cookies /tmp/cookies.txt "https://docs.google.com/uc?export=download&confirm=$CONFIRM&id=$FILE_ID"
}
if [[ "$1" == *"mega"* ]]; then
mega "$1"
elif [[ "$1" == *"mediafire"* ]]; then
mediafire "$1"
elif [[ "$1" == *"drive.google.com"* ]]; then
gdrive "$1"
fi