unsandbox.com
Anonymous remote code, compile, & execution API for humans & machine learning agents.
Docs 📚 View Pricing →
Crystal
UN CLI
un.cr
Usage
# Run this implementation to execute a Python script
crystal cli/inception/un.cr test/fib.py test/fib.py
Source Code 📄
# PUBLIC DOMAIN - NO LICENSE, NO WARRANTY
#
# This is free public domain software for the public good of a permacomputer hosted
# at permacomputer.com - an always-on computer by the people, for the people. One
# which is durable, easy to repair, and distributed like tap water for machine
# learning intelligence.
#
# The permacomputer is community-owned infrastructure optimized around four values:
#
# TRUTH - First principles, math & science, open source code freely distributed
# FREEDOM - Voluntary partnerships, freedom from tyranny & corporate control
# HARMONY - Minimal waste, self-renewing systems with diverse thriving connections
# LOVE - Be yourself without hurting others, cooperation through natural law
#
# This software contributes to that vision by enabling code execution across 42+
# programming languages through a unified interface, accessible to all. Code is
# seeds to sprout on any abandoned technology.
#
# Learn more: https://www.permacomputer.com
#
# Anyone is free to copy, modify, publish, use, compile, sell, or distribute this
# software, either in source code form or as a compiled binary, for any purpose,
# commercial or non-commercial, and by any means.
#
# NO WARRANTY. THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND.
#
# That said, our permacomputer's digital membrane stratum continuously runs unit,
# integration, and functional tests on all of it's own software - with our
# permacomputer monitoring itself, repairing itself, with minimal human in the
# loop guidance. Our agents do their best.
#
# Copyright 2025 TimeHexOn & foxhop & russell@unturf
# https://www.timehexon.com
# https://www.foxhop.net
# https://www.unturf.com/software
#!/usr/bin/env crystal
require "http/client"
require "json"
require "base64"
require "option_parser"
require "openssl/hmac"
# Extension to language mapping
EXT_MAP = {
".jl" => "julia", ".r" => "r", ".cr" => "crystal",
".f90" => "fortran", ".cob" => "cobol", ".pro" => "prolog",
".forth" => "forth", ".4th" => "forth", ".py" => "python",
".js" => "javascript", ".ts" => "typescript", ".rb" => "ruby",
".php" => "php", ".pl" => "perl", ".lua" => "lua", ".sh" => "bash",
".go" => "go", ".rs" => "rust", ".c" => "c", ".cpp" => "cpp",
".cc" => "cpp", ".cxx" => "cpp", ".java" => "java", ".kt" => "kotlin",
".cs" => "csharp", ".fs" => "fsharp", ".hs" => "haskell",
".ml" => "ocaml", ".clj" => "clojure", ".scm" => "scheme",
".lisp" => "commonlisp", ".erl" => "erlang", ".ex" => "elixir",
".exs" => "elixir", ".d" => "d", ".nim" => "nim", ".zig" => "zig",
".v" => "v", ".dart" => "dart", ".groovy" => "groovy",
".scala" => "scala", ".tcl" => "tcl", ".raku" => "raku", ".m" => "objc"
}
# ANSI color codes
BLUE = "\033[34m"
RED = "\033[31m"
GREEN = "\033[32m"
YELLOW = "\033[33m"
RESET = "\033[0m"
API_BASE = "https://api.unsandbox.com"
PORTAL_BASE = "https://unsandbox.com"
def detect_language(filename : String) : String
ext = File.extname(filename).downcase
EXT_MAP.fetch(ext, "unknown")
end
def get_api_keys(args_key : String?) : {String, String?}
public_key = ENV["UNSANDBOX_PUBLIC_KEY"]?
secret_key = ENV["UNSANDBOX_SECRET_KEY"]?
# Fall back to UNSANDBOX_API_KEY for backwards compatibility
if public_key.nil? || public_key.empty? || secret_key.nil? || secret_key.empty?
legacy_key = args_key || ENV["UNSANDBOX_API_KEY"]?
if legacy_key.nil? || legacy_key.empty?
STDERR.puts "#{RED}Error: UNSANDBOX_PUBLIC_KEY and UNSANDBOX_SECRET_KEY not set#{RESET}"
exit 1
end
return {legacy_key, nil}
end
{public_key, secret_key}
end
def api_request(endpoint : String, public_key : String, secret_key : String?, method = "GET", data : JSON::Any? = nil)
url = URI.parse(API_BASE + endpoint)
headers = HTTP::Headers{
"Content-Type" => "application/json"
}
body = data ? data.to_json : ""
# Add HMAC authentication headers if secret_key is provided
if secret_key && !secret_key.empty?
timestamp = Time.utc.to_unix.to_s
message = "#{timestamp}:#{method}:#{endpoint}:#{body}"
signature = OpenSSL::HMAC.hexdigest(:sha256, secret_key, message)
headers["Authorization"] = "Bearer #{public_key}"
headers["X-Timestamp"] = timestamp
headers["X-Signature"] = signature
else
# Legacy API key authentication
headers["Authorization"] = "Bearer #{public_key}"
end
begin
response = case method
when "GET"
HTTP::Client.get(url, headers: headers)
when "POST"
HTTP::Client.post(url, headers: headers, body: body)
when "DELETE"
HTTP::Client.delete(url, headers: headers)
else
STDERR.puts "#{RED}Error: Unsupported method: #{method}#{RESET}"
exit 1
end
JSON.parse(response.body)
rescue ex
error_msg = ex.message || ""
if error_msg.downcase.includes?("timestamp") || (response && response.status_code == 401 && response.body.downcase.includes?("timestamp"))
STDERR.puts "#{RED}Error: Request timestamp expired (must be within 5 minutes of server time)#{RESET}"
STDERR.puts "#{YELLOW}Your computer's clock may have drifted.#{RESET}"
STDERR.puts "Check your system time and sync with NTP if needed:"
STDERR.puts " Linux: sudo ntpdate -s time.nist.gov"
STDERR.puts " macOS: sudo sntp -sS time.apple.com"
STDERR.puts " Windows: w32tm /resync"
else
STDERR.puts "#{RED}Error: Request failed: #{ex.message}#{RESET}"
end
exit 1
end
end
def cmd_execute(args)
public_key, secret_key = get_api_keys(args[:api_key]?)
filename = args[:source_file].as(String)
unless File.exists?(filename)
STDERR.puts "#{RED}Error: File not found: #{filename}#{RESET}"
exit 1
end
language = detect_language(filename)
if language == "unknown"
STDERR.puts "#{RED}Error: Cannot detect language for #{filename}#{RESET}"
exit 1
end
code = File.read(filename)
# Build request payload
payload = JSON.parse({language: language, code: code}.to_json)
# Add environment variables
if env_vars = args[:env]?.as?(Array(String))
env_hash = {} of String => String
env_vars.each do |e|
if e.includes?('=')
k, v = e.split('=', 2)
env_hash[k] = v
end
end
unless env_hash.empty?
payload.as_h["env"] = JSON.parse(env_hash.to_json)
end
end
# Add input files
if files = args[:files]?.as?(Array(String))
input_files = [] of JSON::Any
files.each do |filepath|
unless File.exists?(filepath)
STDERR.puts "#{RED}Error: Input file not found: #{filepath}#{RESET}"
exit 1
end
content = Base64.strict_encode(File.read(filepath))
input_files << JSON.parse({
filename: File.basename(filepath),
content_base64: content
}.to_json)
end
unless input_files.empty?
payload.as_h["input_files"] = JSON.parse(input_files.to_json)
end
end
# Add options
if args[:artifacts]?.as?(Bool)
payload.as_h["return_artifacts"] = JSON::Any.new(true)
end
if network = args[:network]?.as?(String)
payload.as_h["network"] = JSON::Any.new(network)
end
# Execute
result = api_request("/execute", public_key, secret_key, method: "POST", data: payload)
# Print output
if stdout = result["stdout"]?.try(&.as_s?)
print BLUE, stdout, RESET
end
if stderr = result["stderr"]?.try(&.as_s?)
print RED, stderr, RESET
end
# Save artifacts
if args[:artifacts]?.as?(Bool) && (artifacts = result["artifacts"]?.try(&.as_a?))
out_dir = args[:output_dir]?.as?(String) || "."
Dir.mkdir_p(out_dir)
artifacts.each do |artifact|
filename = artifact["filename"]?.try(&.as_s?) || "artifact"
content = Base64.decode(artifact["content_base64"].as_s)
path = File.join(out_dir, filename)
File.write(path, content)
File.chmod(path, 0o755)
STDERR.puts "#{GREEN}Saved: #{path}#{RESET}"
end
end
exit_code = result["exit_code"]?.try(&.as_i?) || 0
exit exit_code
end
def cmd_session(args)
public_key, secret_key = get_api_keys(args[:api_key]?)
if args[:list]?.as?(Bool)
result = api_request("/sessions", public_key, secret_key)
sessions = result["sessions"]?.try(&.as_a?) || [] of JSON::Any
if sessions.empty?
puts "No active sessions"
else
printf "%-40s %-10s %-10s %s\n", "ID", "Shell", "Status", "Created"
sessions.each do |s|
printf "%-40s %-10s %-10s %s\n",
s["id"]?.try(&.as_s?) || "N/A",
s["shell"]?.try(&.as_s?) || "N/A",
s["status"]?.try(&.as_s?) || "N/A",
s["created_at"]?.try(&.as_s?) || "N/A"
end
end
return
end
if kill_id = args[:kill]?.as?(String)
api_request("/sessions/#{kill_id}", public_key, secret_key, method: "DELETE")
puts "#{GREEN}Session terminated: #{kill_id}#{RESET}"
return
end
STDERR.puts "#{RED}Error: Use --list or --kill#{RESET}"
exit 1
end
def cmd_key(args)
public_key, secret_key = get_api_keys(args[:api_key]?)
# Validate key
url = URI.parse(PORTAL_BASE + "/keys/validate")
headers = HTTP::Headers{
"Content-Type" => "application/json"
}
body = "{}"
# Add HMAC authentication headers if secret_key is provided
if secret_key && !secret_key.empty?
timestamp = Time.utc.to_unix.to_s
message = "#{timestamp}:POST:/keys/validate:#{body}"
signature = OpenSSL::HMAC.hexdigest(:sha256, secret_key, message)
headers["Authorization"] = "Bearer #{public_key}"
headers["X-Timestamp"] = timestamp
headers["X-Signature"] = signature
else
# Legacy API key authentication
headers["Authorization"] = "Bearer #{public_key}"
end
begin
response = HTTP::Client.post(url, headers: headers, body: body)
result = JSON.parse(response.body)
status = result["status"]?.try(&.as_s?) || "unknown"
public_key = result["public_key"]?.try(&.as_s?) || "N/A"
tier = result["tier"]?.try(&.as_s?) || "N/A"
case status
when "valid"
puts "#{GREEN}Valid#{RESET}"
puts "Public Key: #{public_key}"
puts "Tier: #{tier}"
if expires_at = result["expires_at"]?.try(&.as_s?)
puts "Expires: #{expires_at}"
end
# Handle --extend flag
if args[:extend]?.as?(Bool)
extend_url = "#{PORTAL_BASE}/keys/extend?pk=#{public_key}"
puts "\n#{BLUE}Opening browser to extend key...#{RESET}"
# Try common browser commands
["xdg-open", "open", "firefox", "chromium", "google-chrome"].each do |browser|
if system("which #{browser} > /dev/null 2>&1")
system("#{browser} '#{extend_url}' > /dev/null 2>&1 &")
break
end
end
puts extend_url
end
when "expired"
puts "#{RED}Expired#{RESET}"
puts "Public Key: #{public_key}"
puts "Tier: #{tier}"
if expired_at = result["expires_at"]?.try(&.as_s?)
puts "Expired: #{expired_at}"
end
puts "#{YELLOW}To renew: Visit #{PORTAL_BASE}/keys/extend#{RESET}"
# Handle --extend flag for expired keys
if args[:extend]?.as?(Bool)
extend_url = "#{PORTAL_BASE}/keys/extend?pk=#{public_key}"
puts "\n#{BLUE}Opening browser to renew key...#{RESET}"
["xdg-open", "open", "firefox", "chromium", "google-chrome"].each do |browser|
if system("which #{browser} > /dev/null 2>&1")
system("#{browser} '#{extend_url}' > /dev/null 2>&1 &")
break
end
end
puts extend_url
end
when "invalid"
puts "#{RED}Invalid#{RESET}"
STDERR.puts "#{RED}Error: API key is not valid#{RESET}"
exit 1
else
puts "#{YELLOW}Unknown status: #{status}#{RESET}"
end
rescue ex
STDERR.puts "#{RED}Error: Failed to validate key: #{ex.message}#{RESET}"
exit 1
end
end
def cmd_service(args)
public_key, secret_key = get_api_keys(args[:api_key]?)
if args[:list]?.as?(Bool)
result = api_request("/services", public_key, secret_key)
services = result["services"]?.try(&.as_a?) || [] of JSON::Any
if services.empty?
puts "No services"
else
printf "%-20s %-15s %-10s %-15s %s\n", "ID", "Name", "Status", "Ports", "Domains"
services.each do |s|
ports = s["ports"]?.try(&.as_a?.map(&.as_i).join(',')) || ""
domains = s["domains"]?.try(&.as_a?.map(&.as_s).join(',')) || ""
printf "%-20s %-15s %-10s %-15s %s\n",
s["id"]?.try(&.as_s?) || "N/A",
s["name"]?.try(&.as_s?) || "N/A",
s["status"]?.try(&.as_s?) || "N/A",
ports, domains
end
end
return
end
if info_id = args[:info]?.as?(String)
result = api_request("/services/#{info_id}", public_key, secret_key)
puts result.to_pretty_json
return
end
if logs_id = args[:logs]?.as?(String)
result = api_request("/services/#{logs_id}/logs", public_key, secret_key)
puts result["logs"]?.try(&.as_s?) || ""
return
end
if sleep_id = args[:sleep]?.as?(String)
api_request("/services/#{sleep_id}/sleep", public_key, secret_key, method: "POST")
puts "#{GREEN}Service sleeping: #{sleep_id}#{RESET}"
return
end
if wake_id = args[:wake]?.as?(String)
api_request("/services/#{wake_id}/wake", public_key, secret_key, method: "POST")
puts "#{GREEN}Service waking: #{wake_id}#{RESET}"
return
end
if destroy_id = args[:destroy]?.as?(String)
api_request("/services/#{destroy_id}", public_key, secret_key, method: "DELETE")
puts "#{GREEN}Service destroyed: #{destroy_id}#{RESET}"
return
end
if execute_id = args[:execute]?.as?(String)
command = args[:command]?.as?(String) || ""
payload = JSON.parse({command: command}.to_json)
result = api_request("/services/#{execute_id}/execute", public_key, secret_key, method: "POST", data: payload)
if stdout = result["stdout"]?.try(&.as_s?)
print BLUE, stdout, RESET
end
if stderr = result["stderr"]?.try(&.as_s?)
print RED, stderr, RESET
end
return
end
if dump_id = args[:dump_bootstrap]?.as?(String)
STDERR.puts "Fetching bootstrap script from #{dump_id}..."
payload = JSON.parse({command: "cat /tmp/bootstrap.sh"}.to_json)
result = api_request("/services/#{dump_id}/execute", public_key, secret_key, method: "POST", data: payload)
if bootstrap = result["stdout"]?.try(&.as_s?)
if file_path = args[:dump_file]?.as?(String)
File.write(file_path, bootstrap)
File.chmod(file_path, 0o755)
puts "Bootstrap saved to #{file_path}"
else
print bootstrap
end
else
STDERR.puts "#{RED}Error: Failed to fetch bootstrap (service not running or no bootstrap file)#{RESET}"
exit 1
end
return
end
# Create new service
if name = args[:name]?.as?(String)
payload = JSON.parse({name: name}.to_json)
# Add ports
if ports_str = args[:ports]?.as?(String)
ports = ports_str.split(',').map(&.to_i)
payload.as_h["ports"] = JSON.parse(ports.to_json)
end
# Add domains
if domains_str = args[:domains]?.as?(String)
domains = domains_str.split(',')
payload.as_h["domains"] = JSON.parse(domains.to_json)
end
# Add service_type
if service_type = args[:service_type]?.as?(String)
payload.as_h["service_type"] = JSON::Any.new(service_type)
end
# Add bootstrap
if bootstrap = args[:bootstrap]?.as?(String)
# Check if bootstrap is a file
if File.exists?(bootstrap)
payload.as_h["bootstrap"] = JSON::Any.new(File.read(bootstrap))
else
payload.as_h["bootstrap"] = JSON::Any.new(bootstrap)
end
end
# Add network
if network = args[:network]?.as?(String)
payload.as_h["network"] = JSON::Any.new(network)
end
# Create service
result = api_request("/services", public_key, secret_key, method: "POST", data: payload)
puts "#{GREEN}Service created: #{result["id"]?.try(&.as_s?) || "N/A"}#{RESET}"
puts "Name: #{result["name"]?.try(&.as_s?) || "N/A"}"
if url = result["url"]?.try(&.as_s?)
puts "URL: #{url}"
end
return
end
STDERR.puts "#{RED}Error: Use --list, --info, --logs, --freeze, --unfreeze, --destroy, or --name to create#{RESET}"
exit 1
end
def main
args = {
source_file: nil,
api_key: nil,
network: nil,
env: [] of String,
files: [] of String,
artifacts: false,
output_dir: nil,
command: nil,
list: false,
kill: nil,
info: nil,
logs: nil,
sleep: nil,
wake: nil,
destroy: nil,
execute: nil,
dump_bootstrap: nil,
dump_file: nil,
name: nil,
ports: nil,
domains: nil,
service_type: nil,
bootstrap: nil,
extend: false
} of Symbol => (String | Array(String) | Bool | Nil)
parser = OptionParser.new do |opts|
opts.banner = "Usage: un.cr [options] <source_file>\n un.cr session [options]\n un.cr service [options]\n un.cr key [options]"
opts.on("-k API_KEY", "--api-key=API_KEY", "API key") { |k| args[:api_key] = k }
opts.on("-n NETWORK", "--network=NETWORK", "Network mode") { |n| args[:network] = n }
opts.on("-e ENV", "--env=ENV", "Environment variable (KEY=VALUE)") { |e| args[:env].as(Array(String)) << e }
opts.on("-f FILE", "--files=FILE", "Input file") { |f| args[:files].as(Array(String)) << f }
opts.on("-a", "--artifacts", "Return artifacts") { args[:artifacts] = true }
opts.on("-o DIR", "--output-dir=DIR", "Output directory") { |d| args[:output_dir] = d }
opts.on("-l", "--list", "List items") { args[:list] = true }
opts.on("--kill=ID", "Kill session") { |id| args[:kill] = id }
opts.on("--info=ID", "Get service info") { |id| args[:info] = id }
opts.on("--logs=ID", "Get service logs") { |id| args[:logs] = id }
opts.on("--freeze=ID", "Sleep service") { |id| args[:sleep] = id }
opts.on("--unfreeze=ID", "Wake service") { |id| args[:wake] = id }
opts.on("--destroy=ID", "Destroy service") { |id| args[:destroy] = id }
opts.on("--execute=ID", "Execute command in service") { |id| args[:execute] = id }
opts.on("--command=CMD", "Command to execute (with --execute)") { |cmd| args[:command] = cmd }
opts.on("--dump-bootstrap=ID", "Dump bootstrap script") { |id| args[:dump_bootstrap] = id }
opts.on("--dump-file=FILE", "File to save bootstrap (with --dump-bootstrap)") { |file| args[:dump_file] = file }
opts.on("--name=NAME", "Service name") { |n| args[:name] = n }
opts.on("--ports=PORTS", "Comma-separated ports") { |p| args[:ports] = p }
opts.on("--domains=DOMAINS", "Comma-separated domains") { |d| args[:domains] = d }
opts.on("--type=TYPE", "Service type for SRV records") { |t| args[:service_type] = t }
opts.on("--bootstrap=CMD", "Bootstrap command/file") { |b| args[:bootstrap] = b }
opts.on("--extend", "Open browser to extend/renew key") { args[:extend] = true }
opts.unknown_args do |before, after|
if before.size > 0
case before[0]
when "session"
args[:command] = "session"
when "service"
args[:command] = "service"
when "key"
args[:command] = "key"
else
args[:source_file] = before[0]
end
end
end
end
parser.parse
if args[:command] == "session"
cmd_session(args)
elsif args[:command] == "service"
cmd_service(args)
elsif args[:command] == "key"
cmd_key(args)
elsif args[:source_file]
cmd_execute(args)
else
STDERR.puts parser
exit 1
end
end
main
License
PUBLIC DOMAIN - NO LICENSE, NO WARRANTY
This is free public domain software for the public good of a permacomputer hosted
at permacomputer.com - an always-on computer by the people, for the people. One
that is durable, easy to repair, and distributed like tap water for machine
learning intelligence.
The permacomputer is community-owned infrastructure optimized around four values:
TRUTH - First principles, math & science, open source code freely distributed
FREEDOM - Voluntary partnerships, freedom from tyranny & corporate control
HARMONY - Minimal waste, self-renewing systems with diverse thriving connections
LOVE - Be yourself without hurting others, cooperation through natural law
This software contributes to that vision by enabling code execution across all 42
programming languages through a unified interface, accessible to everyone. Code is
seeds to sprout on any abandoned technology.
Learn more: https://www.permacomputer.com
Anyone is free to copy, modify, publish, use, compile, sell, or distribute this
software, either in source code form or as a compiled binary, for any purpose,
commercial or non-commercial, and by any means.
NO WARRANTY. THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND.
That said, our permacomputer's digital membrane stratum continuously runs unit,
integration, and functional tests on all its own software - with our permacomputer
monitoring itself, repairing itself, with minimal human guidance in the loop.
Our agents do their best.
Copyright 2025 TimeHexOn & foxhop & russell@unturf
https://www.timehexon.com
https://www.foxhop.net
https://www.unturf.com/software