mirror of
https://github.com/notwa/rc
synced 2024-05-18 09:53:22 -07:00
121 lines
3.8 KiB
Bash
Executable File
121 lines
3.8 KiB
Bash
Executable File
#!/usr/bin/env sh
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# YES_ZSH
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# YES_BASH
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# YES_DASH
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# YES_ASH
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# **TL;DR RULES:**
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# * no executables (for the most part)
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# * no personal info (yours or otherwise)
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# * no right-wing nonsense
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# * no piracy or NSFW media
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# * no command & control
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# * no continuous integration
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# * no backups, and no minecraft (for real)
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# * nothing that's illegal in Germany
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oxo() { ### @-
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### upload files (or stdin) to [0x0.st.](https://0x0.st)
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### this script exits with the number of failed uploads; up to 255 at once.
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### file retention period (30 to 365 days) is only computed for arguments.
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### directories are skipped. please review the terms of service
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### [on the website](https://0x0.st) before uploading files.
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###
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### ```
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### $ echo test | oxo
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### https://0x0.st/sj2.txt
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### oxo: successfully uploaded 1/1 file
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###
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### $ oxo ~/play/{hey,you,fake,empty}
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### https://0x0.st/-3rz.txt
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### oxo: expires in 365 days: /home/notwa/play/hey
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### https://0x0.st/-3ri.txt
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### oxo: expires in 365 days: /home/notwa/play/you
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### oxo: no such file: /home/notwa/play/fake
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### oxo: skipping empty file: /home/notwa/play/empty
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### oxo: successfully uploaded 2/4 files
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### oxo: failed to upload 2/4 files
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### ```
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local look='\033[1m%s\033[0m\n'
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local bad='\033[31m%s\033[0m\n'
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local warn='\033[1;33m%s\033[0m\n'
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local err='\033[1;31m%s\033[0m\n'
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local hits=0 total=0
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local f= s=
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if [ $# -eq 0 ]; then
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curl -f -F'file=@-' https://0x0.st && : $((hits+=1)) || true
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total=1
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elif [ $# -gt 255 ]; then
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printf "$err" "oxo: too many arguments (max: 255)" >&2
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return 255
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else
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total=$#
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fi
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for f; do
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if [ ! -e "$f" ]; then
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printf "$bad" "oxo: no such file: $f" >&2
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elif [ -d "$f" ]; then
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printf "$bad" "oxo: skipping directory: $f" >&2
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elif [ ! -s "$f" ]; then
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printf "$bad" "oxo: skipping empty file: $f" >&2
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else
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local g="$f"
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# restrict the filepath to simple ascii characters that curl likes.
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if [ "$f" != "${f#*[! -~]}" ] || [ "$f" != "${f#*[\":<>?\\|]}" ]; then
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# copy the user's file to a temporary path and use that instead.
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g=/tmp/oxo.tmp
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#printf "$warn" "oxo: special characters found: $f" >&2
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if ! cp -p -- "$f" "$g"; then
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printf "$bad" "oxo: failed to copy file: $f" >&2
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continue
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fi
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fi
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local kib="$(du -k -- "$f")"
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kib="${kib%%[!0-9]*}" # strip the path, keep the size
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if [ "$kib" -gt 524288 ]; then
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printf "$bad" "oxo: file too large: $f" >&2
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continue
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fi
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# compute retention using (fixed point) integers only.
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# retention = 30 - (365 - 30) * ([file size] / [512 MiB] - 1)**3
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local a=$(( kib/16+1 ))
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local b=$(( (kib+64)/128-12288 ))
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local c=$(( a*a/16384 ))
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local d=$(( b*c/8192+3*kib/16+1-32768 ))
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local r=$(( (d*-335+16384)/32768+30 ))
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if ! curl -f -F"file=@\"$g\"" https://0x0.st; then
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printf "$bad" "oxo: failed to upload file: $f" >&2
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else
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: $((hits+=1))
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printf "$look" "oxo: expires in $r days: $f" >&2
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fi
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fi
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done
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if [ $hits -gt 0 ]; then
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[ $hits -eq 1 ] && s= || s=s
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printf "$look" "oxo: successfully uploaded $hits/$total file$s" >&2
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fi
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local fails=$((total-hits))
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if [ $fails -gt 0 ]; then
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[ $fails -eq 1 ] && s= || s=s
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printf "$err" "oxo: failed to upload $fails/$total file$s" >&2
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fi
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[ ! -e /tmp/oxo ] || rm /tmp/oxo
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return $fails
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}
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[ -n "${preload+-}" ] || oxo "$@"
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