script and installer added
This commit is contained in:
parent
595751a704
commit
13771dcd92
GPG Key ID:
1D237BE83F9B05E8
19
Makefile
Normal file
19
Makefile
Normal file
@ -0,0 +1,19 @@
|
|||||||
|
# threadwatcher
|
||||||
|
# See LICENSE file for copyright and license details.
|
||||||
|
|
||||||
|
VERSION = 1.0
|
||||||
|
|
||||||
|
# paths
|
||||||
|
DESTDIR= ~/.local/bin
|
||||||
|
SRC = threadwatcher
|
||||||
|
|
||||||
|
|
||||||
|
install:
|
||||||
|
mkdir -p $(DESTDIR)
|
||||||
|
cp -f $(SRC) $(DESTDIR)/
|
||||||
|
chmod 755 $(DESTDIR)/$(SRC)
|
||||||
|
|
||||||
|
uninstall:
|
||||||
|
rm -f $(DESTDIR)/$(SRC)
|
||||||
|
|
||||||
|
.PHONY: install uninstall
|
||||||
171
threadwatcher
Executable file
171
threadwatcher
Executable file
@ -0,0 +1,171 @@
|
|||||||
|
#!/bin/bash
|
||||||
|
#A script that interacts with 4chans API to checks for media to download out of threads.
|
||||||
|
#It uses the file name used by the uploader.
|
||||||
|
#(and adds post no. to distinguish possible duplicate file names)
|
||||||
|
#consider using it in a cronjob intermittently with something like
|
||||||
|
#*/10 * * * * /home/<username>/.local/bin/threadwatcher scan
|
||||||
|
THREADWATCHER_DIR=${XDG_DATA_HOME:-$HOME/.local/share}/4chan_watcher
|
||||||
|
URLFILE="$THREADWATCHER_DIR/threads"
|
||||||
|
TMP_URLFILE=/tmp/4chan_thread_watcher_tmp$$
|
||||||
|
|
||||||
|
[ -d "$THREADWATCHER_DIR" ] || mkdir -p "$THREADWATCHER_DIR"
|
||||||
|
[ -f "$URLFILE" ] || touch "$URLFILE"
|
||||||
|
|
||||||
|
#Cronjob Notifications
|
||||||
|
DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/$(id -u)/bus
|
||||||
|
export DBUS_SESSION_BUS_ADDRESS
|
||||||
|
export DISPLAY=:0.0
|
||||||
|
|
||||||
|
#included personal prompt script here as function for portability.
|
||||||
|
prompt(){
|
||||||
|
[ "$(printf "No\\nYes" | dmenu -i -n -p "$1" -nb darkred -sb red -sf white -nf gray )" = "Yes" ] && $2
|
||||||
|
}
|
||||||
|
|
||||||
|
scan(){
|
||||||
|
while [ -f /tmp/threadwatcher.lock ] && [ "$(pgrep -c threadwatcher)" -gt 1 ]; do
|
||||||
|
sleep 1
|
||||||
|
done
|
||||||
|
#Create lock file to stop override of URLFILE while scanning
|
||||||
|
touch /tmp/threadwatcher.lock
|
||||||
|
ping -q -c 1 1.1.1.1 > /dev/null || ping -q -c 1 1.0.0.1 > /dev/null || ping -q -c 1 example.org || { echo "No internet connection detected."; exit ;}
|
||||||
|
if [ $(wc -l < "$URLFILE") -gt 0 ]; then
|
||||||
|
echo "scanning threads..."
|
||||||
|
else
|
||||||
|
echo "no threads to watch over currently"
|
||||||
|
exit
|
||||||
|
fi
|
||||||
|
# READS URLFILE
|
||||||
|
while read -r line; do
|
||||||
|
running_dls=0
|
||||||
|
url="$(echo "$line" | cut -f1)"
|
||||||
|
dl_location="$(echo "$line" | cut -f2)"
|
||||||
|
mkdir -p "$dl_location"
|
||||||
|
json_url="$(echo "$url" | sed -E 's/boards\.(4chan|4channel)/a.4cdn/; s/$/.json/')"
|
||||||
|
curl -s -L "$json_url" | jq . > /tmp/content$$
|
||||||
|
thread_title="$(jq '.posts[0].sub' < /tmp/content$$ | tr -d '"')"
|
||||||
|
echo "scanning $url ($thread_title)"
|
||||||
|
echo "downloading to $dl_location"
|
||||||
|
if [ -z "$(</tmp/content$$)" ]; then
|
||||||
|
#check for internet again, just in case
|
||||||
|
if ping -q -c 1 1.1.1.1 > /dev/null || ping -q -c 1 1.0.0.1 > /dev/null || ping -q -c 1 example.org
|
||||||
|
then
|
||||||
|
echo "Thread $url not found ($dl_location) deleting from cached list of threads to watch"
|
||||||
|
notify-send "threadwatcher" "Thread downloading to $(echo "$dl_location" | sed "s|$HOME|~|") is complete now."
|
||||||
|
else
|
||||||
|
echo "No internet connection detected."
|
||||||
|
exit
|
||||||
|
fi
|
||||||
|
continue
|
||||||
|
else
|
||||||
|
echo "$line" >> "$TMP_URLFILE"
|
||||||
|
mkdir -p "$dl_location"
|
||||||
|
fi
|
||||||
|
files_json="$(jq '.posts[] | if has("filename") then {filename: "\(.no)_\(.filename)\(.ext)", location: "\(.tim)\(.ext)", md5: .md5} else null end ' < /tmp/content$$ | grep -vE '^null$')"
|
||||||
|
rm /tmp/content$$
|
||||||
|
#pastes together a multiline var using process substitution with
|
||||||
|
#layout: filename location md5
|
||||||
|
#only reason for bash here with process substitution
|
||||||
|
files="$(paste <(paste <(echo "$files_json" | jq '.filename' | tr -d '"') <(echo "$files_json" | jq '.location' | tr -d '"')) <(echo "$files_json" | jq '.md5' | tr -d '"'))"
|
||||||
|
echo "$files" | while read -r file_line; do
|
||||||
|
#better cleanup like in booksplitter?
|
||||||
|
filename="$(echo "$file_line" | cut -f1 | tr ' ' '_')"
|
||||||
|
master_location="$(echo "$file_line" | cut -f2 | tr -d '"')"
|
||||||
|
filelocation="$dl_location/$filename"
|
||||||
|
correct_md5="$(echo "$file_line" | cut -f3)"
|
||||||
|
[ -f "$filelocation" ] && slave_md5="$(openssl dgst -md5 -binary "$filelocation" | openssl enc -base64)"
|
||||||
|
board="$(echo "$url" | cut -d '/' -f4)"
|
||||||
|
file_url="https://i.4cdn.org/$board/$master_location"
|
||||||
|
if [ -f "$filelocation" ] && [ "$correct_md5" = "$slave_md5" ]; then
|
||||||
|
true
|
||||||
|
else
|
||||||
|
if [ "$correct_md5" != "$slave_md5" ] && [ -f "$filelocation" ]; then
|
||||||
|
rm "$filelocation"
|
||||||
|
echo "removed $filename because of incorrect checksum, redownloading."
|
||||||
|
fi
|
||||||
|
[ -f "$filelocation" ] ||
|
||||||
|
touch "$filelocation" #to keep atime order correct?
|
||||||
|
#limit concurrent dls
|
||||||
|
if [ $running_dls -gt 25 ]; then
|
||||||
|
wait
|
||||||
|
running_dls=0
|
||||||
|
fi
|
||||||
|
wget -q -O "$filelocation" "$file_url" &
|
||||||
|
echo downloading "$filelocation"
|
||||||
|
((running_dls=running_dls+1))
|
||||||
|
fi
|
||||||
|
done
|
||||||
|
wait
|
||||||
|
done < "$URLFILE"
|
||||||
|
mv "$TMP_URLFILE" "$URLFILE"
|
||||||
|
rm /tmp/threadwatcher.lock
|
||||||
|
}
|
||||||
|
|
||||||
|
makepathabsolute(){
|
||||||
|
if echo "$1" | grep -qE '^/'; then
|
||||||
|
dl_location="$1"
|
||||||
|
else
|
||||||
|
dl_location="$HOME/$1"
|
||||||
|
fi
|
||||||
|
echo "$dl_location"
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
case "$1" in
|
||||||
|
"add") dl_location="$(makepathabsolute "$3")"
|
||||||
|
if grep -qP "^$2\t" "$URLFILE"; then
|
||||||
|
dl_location_already="$(grep -P "^$2\t" "$URLFILE" | cut -f2)"
|
||||||
|
notify-send "threadwatcher" "Thread already being watched. currently downloads to $(echo "$dl_location_already" | sed "s|$HOME|~|")"
|
||||||
|
prompt "Do you want to change download directory to $3?" &&
|
||||||
|
new_location="$dl_location" ||
|
||||||
|
exit 0
|
||||||
|
[ -z "$new_location" ] && exit
|
||||||
|
sed -i "s|$dl_location_already|$new_location|" "$URLFILE"
|
||||||
|
|
||||||
|
## Move already downloaded files to new location
|
||||||
|
ping -q -c 1 1.1.1.1 > /dev/null || ping -q -c 1 1.0.0.1 > /dev/null || ping -q -c 1 example.org || { echo "No internet connection detected."; exit ;}
|
||||||
|
mkdir -p "$new_location"
|
||||||
|
url="$2"
|
||||||
|
json_url="$(echo "$url" | sed -E 's/boards\.(4chan|4channel)/a.4cdn/; s/$/.json/')"
|
||||||
|
curl -s -L "$json_url" | jq . > /tmp/content$$
|
||||||
|
files_json="$(jq '.posts[] | if has("filename") then {filename: "\(.no)_\(.filename)\(.ext)", location: "\(.tim)\(.ext)"} else empty end ' < /tmp/content$$)"
|
||||||
|
rm /tmp/content$$
|
||||||
|
#only reason for bash here with process substitution
|
||||||
|
files="$(paste <(echo "$files_json" | jq '.filename' | tr -d '"') <(echo "$files_json" | jq '.location' | tr -d '"'))"
|
||||||
|
echo "$files" | while read -r file_line; do
|
||||||
|
filename="$(echo "$file_line" | cut -f1 | tr ' ' '_')"
|
||||||
|
mv -v "$dl_location_already/$filename" "$new_location"
|
||||||
|
done
|
||||||
|
rmdir --ignore-fail-on-non-empty "$dl_location_already"
|
||||||
|
notify-send "threadwatcher" "already downloaded files moved to $new_location. New files will also be downloaded there"
|
||||||
|
|
||||||
|
else
|
||||||
|
printf "%s\t%s\n" "$2" "$dl_location" | tee -ai "$URLFILE"
|
||||||
|
echo "added $2 to threadwatcher list. Downloading to $dl_location"
|
||||||
|
fi
|
||||||
|
echo "dl_location:$dl_location"
|
||||||
|
# Wait for last scan to finish in case of quick successive additions.
|
||||||
|
# Otherwise there is a potential loss of threads
|
||||||
|
scan;;
|
||||||
|
"scan") scan;;
|
||||||
|
"list") printf "Thread:\t\t\t\t\t\tDownload location:\n"
|
||||||
|
sed "s|$HOME|~|" "$URLFILE";;
|
||||||
|
"clean")
|
||||||
|
echo "Watchlist used up to now:"
|
||||||
|
cat "$URLFILE"
|
||||||
|
prompt "Do you want to stop watching over all current threads?" || exit 0
|
||||||
|
echo "Deleting..."
|
||||||
|
rm "$URLFILE"
|
||||||
|
touch "$URLFILE";;
|
||||||
|
"edit") ${EDITOR:-vim} "$URLFILE";;
|
||||||
|
*)echo "Incorrect usage. Correct usage:
|
||||||
|
threadwatcher [add URL DL_LOCATION] [list] [edit] [clean]
|
||||||
|
|
||||||
|
add URL DL_LOCATION
|
||||||
|
downloads specified thread to given locaton. Paths can be relative to HOME or absolute.
|
||||||
|
list
|
||||||
|
lists all currently watched URLs and where they are downloading to
|
||||||
|
edit
|
||||||
|
open threads file in \$EDITOR/vim to manually edit error
|
||||||
|
clean
|
||||||
|
deletes threads file. This will not delete already downloaded material." && exit 1;;
|
||||||
|
esac
|
||||||
Loading…
Reference in New Issue
Block a user