From 35ff5d478bb664b337c6c1ea83f1ddeb361fd8e5 Mon Sep 17 00:00:00 2001
From: Connor Olding <cloningdonor@gmail.com>
Date: Wed, 15 Sep 2021 21:50:21 -0700
Subject: [PATCH] add oxo (0x0.st utility)

---
 sh/oxo | 103 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 103 insertions(+)
 create mode 100755 sh/oxo

diff --git a/sh/oxo b/sh/oxo
new file mode 100755
index 0000000..539769c
--- /dev/null
+++ b/sh/oxo
@@ -0,0 +1,103 @@
+#!/usr/bin/env sh
+# YES_ZSH
+# YES_BASH
+# YES_DASH
+# YES_ASH
+
+# **TL;DR RULES:**
+# * no executables (for the most part)
+# * no personal info (yours or otherwise)
+# * no right-wing nonsense
+# * no piracy or NSFW media
+# * no command & control
+# * no continuous integration
+# * no backups, and no minecraft (for real)
+# * nothing that's illegal in Germany
+
+oxo() { ### @-
+    ### upload files (or stdin) to [0x0.st.](https://0x0.st)
+    ### this script exits with the number of failed uploads; up to 255 at once.
+    ### file retention period (30 to 365 days) is only computed for arguments.
+    ### directories are skipped. please review the terms of service
+    ### [on the website](https://0x0.st) before uploading files.
+    ###
+    ### ```
+    ### $ echo test | oxo
+    ### https://0x0.st/sj2.txt
+    ### oxo: successfully uploaded 1 file
+    ### $ oxo ~/play/{hey,you,fake,empty}
+    ### https://0x0.st/-3rz.txt
+    ### oxo: exprires in 365 days: /home/notwa/play/hey
+    ### https://0x0.st/-3ri.txt
+    ### oxo: exprires in 365 days: /home/notwa/play/you
+    ### oxo: no such file: /home/notwa/play/fake
+    ### oxo: skipping empty file: /home/notwa/play/empty
+    ### oxo: successfully uploaded 2 files
+    ### oxo: failed to upload 2 files
+    ### ```
+    local succs=0
+    local fails=0
+    local f= s=
+
+    local look='\033[1m%s\033[0m\n'
+    local bad='\033[31m%s\033[0m\n'
+    local warn='\033[1;33m%s\033[0m\n'
+    local err='\033[1;31m%s\033[0m\n'
+
+    if [ $# -eq 0 ]; then
+        curl -F'file=@-' https://0x0.st && : $((succs+=1)) || : $((fails+=1))
+    elif [ $# -gt 255 ]; then
+        printf '\033[1;31m%s\n' "oxo: too many arguments (max: 255)" >&2
+        return 255
+    else
+        for f; do
+            if [ ! -e "$f" ]; then
+                printf "$bad" "oxo: no such file: $f" >&2
+                : $((fails+=1))
+            elif [ -d "$f" ]; then
+                printf "$bad" "oxo: skipping directory: $f" >&2
+                : $((fails+=1))
+            elif [ ! -s "$f" ]; then
+                printf "$bad" "oxo: skipping empty file: $f" >&2
+                : $((fails+=1))
+            else
+                local kib="$(du -k "$f" | cut -f1)"
+
+                # compute retention using (fixed point) integers only.
+                # retention = (365 - 30) * ([file size] / [512 MiB] - 1)**3 + 30
+                local a=$(( kib/16+1 ))
+                local b=$(( (kib+64)/128-12288 ))
+                local c=$(( a*a/16384 ))
+                local d=$(( b*c/8192+3*kib/16+1-32768 ))
+                local r=$(( (d*-335+16384)/32768+30 ))
+
+                if ! cp -p "$f" /tmp/0x0; then
+                    : $((fails+=1))
+                    printf "$bad" "oxo: failed to copy file: $f" >&2
+                elif ! curl -F'file=@/tmp/0x0' https://0x0.st; then
+                    : $((fails+=1))
+                    printf "$bad" "oxo: failed to upload file: $f" >&2
+                else
+                    : $((succs+=1))
+                    printf "$look" "oxo: exprires in $r days: $f" >&2
+                fi
+                #rm -f /tmp/0x0
+            fi
+        done
+    fi
+
+    if [ $succs -gt 0 ]; then
+        [ $fails -eq 0 ] && fmt="$look" || fmt="$warn"
+        [ $succs -eq 1 ] && s= || s=s
+        printf "$fmt" "oxo: successfully uploaded $succs file$s" >&2
+    fi
+
+    if [ $fails -gt 0 ]; then
+        [ $fails -eq 1 ] && s= || s=s
+        printf "$err" "oxo: failed to upload $fails file$s" >&2
+    fi
+
+    return $fails
+}
+
+[ -n "${preload+-}" ] || oxo "$@"