mirror of
https://github.com/CoolnsX/hls_downloader.git
synced 2025-12-20 07:15:21 +05:30
110 lines
3.9 KiB
Bash
Executable File
110 lines
3.9 KiB
Bash
Executable File
#!/bin/sh
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#initializing..
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help_text () {
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while IFS= read -r line; do
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printf "%s\n" "$line"
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done <<-EOF
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Usage:
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${0##*/} [ -o <filename> ] [ -r | -f | -n <no. of connections>] [ <m3u8_link> ]
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${0##*/} -h
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Options:
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-h show helptext
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-o filename (default : video)
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-r select highest resolution automatically
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-n set maximum number of connections (default : 36)
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-f skip ffmpeg file conversion (used to enable the video file to run on any video player)
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EOF
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}
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skip_res=0
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n=36
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file="video"
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tmpdir="${XDG_CACHE_HOME:-$HOME/.cache}/hls-temp"
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jobdir="${XDG_CACHE_HOME:-$HOME/.cache}/hls-jobs"
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while getopts 'o:rfhn:' OPT; do
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case $OPT in
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o) file=$OPTARG ;;
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n) n=$OPTARG ;;
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f) skip_ffmpeg=1;;
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r) skip_res=1;;
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*|h)
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help_text
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exit 0
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;;
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esac
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done
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shift $((OPTIND - 1))
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[ -z "$*" ] && printf "\033[1;34mEnter link >\033[0m " && read -r link || link=$*
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trap "rm -rdf $tmpdir $jobdir;exit 0" INT HUP
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printf "\033[2K\r\033[1;36mFetching resolutions.."
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m3u8_data=$(curl -s "$link")
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res_list=$(printf "%s" "$m3u8_data" | sed -nE 's_.*RESOLUTION=.*x([^,]*).*_\1_p')
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if [ -n "$res_list" ];then
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highest_res=$(printf "$res_list" | sort -nr | head -1)
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[ "$skip_res" -eq 1 ] && printf "\033[2K\r\033[1;36mSelecting highest resolution.." || (printf "\033[2K\r\033[1;33mRESOLUTIONS >>\n\033[0m$res_list\n\033[1;34mType ur preferred resolution (default: $highest_res) > " && read -r sel_res)
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[ -z "$sel_res" ] && sel_res=$highest_res
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unset highest_res res_list
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url=$(printf "%s" "$m3u8_data" | sed -n "/x$sel_res/{n;p;}" | tr -d '\r')
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#check whether the m3u8_data contains uri that starts from http
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printf "%s" "$m3u8_data" | grep -q "http" || relative_url=$(printf "%s" "$link" | sed 's_[^/]*$__')
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printf "\033[2K\r\033[1;36mFetching Metadata.."
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url="${relative_url}$url"
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resp="$(curl -s "$url")"
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else
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url=$link
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resp=$m3u8_data
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fi
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[ -d "$tmpdir" ] || mkdir -p "$tmpdir"
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#extract key uri and iv uri from encrypted stream if exists..
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key_uri="$(printf "%s" "$resp" | sed -nE 's/^#EXT-X-KEY.*URI="([^"]*)"/\1/p')"
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[ -z "$key_uri" ] || iv_uri="$(printf "%s" "$resp" | sed -nE 's/^#EXT-X-IV.*URI="([^"]*)"/\1/p')"
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data="$(printf "%s" "$resp" | sed '/#/d')"
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if printf "%s" "$data" | grep -q "http";then
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relative_url=''
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else
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relative_url=$(printf "%s" "$url" | sed 's_[^/]*$__')
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fi
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range=$(printf "%s\n" "$data" | wc -l)
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#for encrypted stream only
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if [ -n "$key_uri" ];then
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#extract key from uri..
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key=$(curl -s "$key_uri" | od -A n -t x1 | tr -d ' |\n')
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#iv from uri
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[ -z "$iv_uri" ] && iv=$(openssl rand -hex 16) || iv=$(curl -s "$iv_uri" | od -A n -t x1 | tr -d ' |\n')
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fi
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printf "\033[2K\r\033[1;35mpieces : $range\n\033[1;33mDownloading.."
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#downloading .ts data asynchronously
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for i in $(seq $range); do
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curl -s "${relative_url}$(printf "%s" "$data" | sed -n "${i}p")" > "$tmpdir/$(printf "%04d" "$i").ts" && printf "\033[2K\r\033[1;32m ✓ $i / $range done" &
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jobs -p > "$jobdir"
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while [ "$(cat "$jobdir" | wc -l)" -ge $n ];do jobs > "$jobdir";sleep 0.05;done
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done
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wait
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#concatenating all .ts file in one file..
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if [ -n "$key_uri" ];then
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#decrypting while concatenating..
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printf "\033[2K\r\033[1;36m Decrypting and Concatenating pieces into single file.."
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for i in "$tmpdir"/*;do
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cat "$i" | openssl aes-128-cbc -d -K "$key" -iv "$iv" -nopad >> "$file.ts"
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done
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else
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printf "\033[2K\r\033[1;36m Concatenating pieces into single file.."
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cat "$tmpdir"/* >> "$file.ts"
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fi
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rm -rdf $tmpdir $jobdir
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#conversion of allts file to mp4 video using ffmpeg..
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[ -z "$skip_ffmpeg" ] && printf "\033[2K\r\033[1;36mEncoding file to mp4 video..\n\033[0m" && ffmpeg -i "$file.ts" -loglevel error -stats -c copy "$file.mp4" || mv "$file.ts" "$file.mp4"
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#cleanup..
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rm -f "$file".ts
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printf "\033[2K\r\033[1;36m Done!!"
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