copyparty/docs/notes.sh
2021-01-24 16:14:01 +01:00

133 lines
4.4 KiB
Bash

#!/bin/bash
echo not a script
exit 1
##
## delete all partial uploads
## (supports linux/macos, probably windows+msys2)
gzip -d < .hist/up2k.snap | jq -r '.[].tnam' | while IFS= read -r f; do rm -f -- "$f"; done
gzip -d < .hist/up2k.snap | jq -r '.[].name' | while IFS= read -r f; do wc -c -- "$f" | grep -qiE '^[^0-9a-z]*0' && rm -f -- "$f"; done
##
## create a test payload
head -c $((2*1024*1024*1024)) /dev/zero | openssl enc -aes-256-ctr -pass pass:hunter2 -nosalt > garbage.file
##
## testing multiple parallel uploads
## usage: para | tee log
para() { for s in 1 2 3 4 5 6 7 8 12 16 24 32 48 64; do echo $s; for r in {1..4}; do for ((n=0;n<s;n++)); do curl -sF "act=bput" -F "f=@garbage.file" http://127.0.0.1:3923/ 2>&1 & done; wait; echo; done; done; }
##
## display average speed
## usage: avg logfile
avg() { awk 'function pr(ncsz) {if (nsmp>0) {printf "%3s %s\n", csz, sum/nsmp} csz=$1;sum=0;nsmp=0} {sub(/\r$/,"")} /^[0-9]+$/ {pr($1);next} / MiB/ {sub(/ MiB.*/,"");sub(/.* /,"");sum+=$1;nsmp++} END {pr(0)}' "$1"; }
##
## bad filenames
dirs=("$HOME/vfs/ほげ" "$HOME/vfs/ほげ/ぴよ" "$HOME/vfs/$(printf \\xed\\x91)" "$HOME/vfs/$(printf \\xed\\x91/\\xed\\x92)")
mkdir -p "${dirs[@]}"
for dir in "${dirs[@]}"; do for fn in ふが "$(printf \\xed\\x93)" 'qwe,rty;asd fgh+jkl%zxc&vbn <qwe>"rty'"'"'uio&asd&nbsp;fgh'; do echo "$dir" > "$dir/$fn.html"; done; done
##
## upload mojibake
fn=$(printf '\xba\xdc\xab.cab')
echo asdf > "$fn"
curl --cookie cppwd=wark -sF "act=bput" -F "f=@$fn" http://127.0.0.1:3923/moji/%ED%91/
##
## test compression
wget -S --header='Accept-Encoding: gzip' -U 'MSIE 6.0; SV1' http://127.0.0.1:3923/.cpr/deps/ogv.js -O- | md5sum; p=~ed/dev/copyparty/copyparty/web/deps/ogv.js.gz; md5sum $p; gzip -d < $p | md5sum
##
## sha512(file) | base64
## usage: shab64 chunksize_mb filepath
shab64() { sp=$1; f="$2"; v=0; sz=$(stat -c%s "$f"); while true; do w=$((v+sp*1024*1024)); printf $(tail -c +$((v+1)) "$f" | head -c $((w-v)) | sha512sum | cut -c-64 | sed -r 's/ .*//;s/(..)/\\x\1/g') | base64 -w0 | cut -c-43 | tr '+/' '-_'; v=$w; [ $v -lt $sz ] || break; done; }
##
## vscode
# replace variable name
# (^|[^\w])oldname([^\w]|$) => $1newname$2
# monitor linter progress
htop -d 2 -p $(ps ax | awk '/electron[ ]/ {printf "%s%s", v, $1;v=","}')
# prep debug env (vscode embedded terminal)
renice 20 -p $$
# cleanup after a busted shutdown
ps ax | awk '/python[23]? -m copyparty|python[ ]-c from multiproc/ {print $1}' | tee /dev/stderr | xargs kill
# last line of each function in a file
cat copyparty/httpcli.py | awk '/^[^a-zA-Z0-9]+def / {printf "%s\n%s\n\n", f, pl; f=$2} /[a-zA-Z0-9]/ {pl=$0}'
##
## meta
# create a folder with symlinks to big files
for d in /usr /var; do find $d -type f -size +30M 2>/dev/null; done | while IFS= read -r x; do ln -s "$x" big/; done
# py2 on osx
brew install python@2
pip install virtualenv
##
## http 206
# az = abcdefghijklmnopqrstuvwxyz
printf '%s\r\n' 'GET /az HTTP/1.1' 'Host: ocv.me' 'Range: bytes=5-10' '' | ncat ocv.me 80
# Content-Range: bytes 5-10/26
# Content-Length: 6
# fghijk
Range: bytes=0-1 "ab" Content-Range: bytes 0-1/26
Range: bytes=24-24 "y" Content-Range: bytes 24-24/26
Range: bytes=24-25 "yz" Content-Range: bytes 24-25/26
Range: bytes=24- "yz" Content-Range: bytes 24-25/26
Range: bytes=25-29 "z" Content-Range: bytes 25-25/26
Range: bytes=26- Content-Range: bytes */26
HTTP/1.1 416 Requested Range Not Satisfiable
##
## md perf
var tsh = [];
function convert_markdown(md_text, dest_dom) {
tsh.push(new Date().getTime());
while (tsh.length > 10)
tsh.shift();
if (tsh.length > 1) {
var end = tsh.slice(-2);
console.log("render", end.pop() - end.pop(), (tsh[tsh.length - 1] - tsh[0]) / (tsh.length - 1));
}
##
## tmpfiles.d meme
mk() { rm -rf /tmp/foo; sudo -u ed bash -c 'mkdir /tmp/foo; echo hi > /tmp/foo/bar'; }
mk && t0="$(date)" && while true; do date -s "$(date '+ 1 hour')"; systemd-tmpfiles --clean; ls -1 /tmp | grep foo || break; done; echo "$t0"
mk && sudo -u ed flock /tmp/foo sleep 40 & sleep 1; ps aux | grep -E 'sleep 40$' && t0="$(date)" && for n in {1..40}; do date -s "$(date '+ 1 day')"; systemd-tmpfiles --clean; ls -1 /tmp | grep foo || break; done; echo "$t0"
mk && t0="$(date)" && for n in {1..40}; do date -s "$(date '+ 1 day')"; systemd-tmpfiles --clean; ls -1 /tmp | grep foo || break; tar -cf/dev/null /tmp/foo; done; echo "$t0"