1 files changed, 67 insertions, 0 deletions
diff --git a/bin/guiscripts/mega.sh b/bin/guiscripts/mega.sh
new file mode 100644
index 0000000..cafca0a
--- /dev/null
+++ b/bin/guiscripts/mega.sh
@@ -0,0 +1,67 @@
+#!/bin/bash
+
+URL=""
+
+if [[ $1 =~ ^https?:\/\/mega(\.co)?\.nz ]]; then
+	URL="$1"
+fi
+
+if [[ ! $URL ]]; then
+	echo "Usage: ${0##*/} url" >&2
+	exit 1
+fi
+
+CURL="curl -Y 1 -y 10"
+
+missing=false
+for cmd in openssl; do
+	if [[ ! $(command -v "$cmd" 2>&1) ]]; then
+		missing=true
+		echo "${0##*/}: $cmd: command not found" >&2
+	fi
+done
+if $missing; then
+	exit 1
+fi
+
+if [[ $URL =~ .*/file/[^#]*#[^#]* ]]; then
+	id="${URL#*file/}"; id="${id%%#*}"
+	key="${URL##*file/}"; key="${key##*#}"
+else
+	id="${URL#*!}"; id="${id%%!*}"
+	key="${URL##*!}"
+fi
+
+raw_hex=$(echo "${key}=" | tr '\-_' '+/' | tr -d ',' | base64 -d -i 2>/dev/null | od -v -An -t x1 | tr -d '\n ')
+hex=$(printf "%016x" \
+	$(( 0x${raw_hex:0:16} ^ 0x${raw_hex:32:16} )) \
+	$(( 0x${raw_hex:16:16} ^ 0x${raw_hex:48:16} ))
+)
+
+json=$($CURL -s -H 'Content-Type: application/json' -d '[{"a":"g", "g":"1", "p":"'"$id"'"}]' 'https://g.api.mega.co.nz/cs?id=&ak=') || exit 1; json="${json#"[{"}"; json="${json%"}]"}"
+file_url="${json##*'"g":'}"; file_url="${file_url%%,*}"; file_url="${file_url//'"'/}"
+
+json=$($CURL -s -H 'Content-Type: application/json' -d '[{"a":"g", "p":"'"$id"'"}]' 'https://g.api.mega.co.nz/cs?id=&ak=') || exit 1
+at="${json##*'"at":'}"; at="${at%%,*}"; at="${at//'"'/}"
+
+json=$(echo "${at}==" | tr '\-_' '+/' | tr -d ',' | openssl enc -a -A -d -aes-128-cbc -K "$hex" -iv "00000000000000000000000000000000" -nopad | tr -d '\0'); json="${json#"MEGA{"}"; json="${json%"}"}"
+file_name="${json##*'"n":'}"
+if [[ $file_name == *,* ]]; then
+	file_name="${file_name%%,*}"
+fi
+file_name="${file_name//'"'/}"
+
+aria2c -x 15 -o "$file_name" "$file_url"
+cat "$file_name" | openssl enc -d -aes-128-ctr -K "$hex" -iv "${raw_hex:32:16}0000000000000000" > "temp.new"
+mv -f temp.new "$file_name"
+
+echo "$file_url"
+echo "$file_name"
+echo "$hex"
+echo "${raw_hex:32:16}0000000000000000"
+sleep 5
+echo "Downloading... (press Ctrl + C to Cancel)"
+
+aria2c -x 16 -s 16 -o "$file_name" "$file_url"
+cat "$file_name" | openssl enc -d -aes-128-ctr -K "$hex" -iv "${raw_hex:32:16}0000000000000000" > "temp.new"
+mv -f temp.new "$file_name"