Create sudo.cr

Author: michal92299

source-code/update-system/sudo.cr

@@ -0,0 +1,87 @@
+# ── Sudo state ────────────────────────────────────────────────────────────────
+module SudoState
+  @@password : String = ""
+
+  def self.password=(pwd : String)
+    @@password = pwd
+  end
+
+  def self.password : String
+    @@password
+  end
+end
+
+# ── Command runners ───────────────────────────────────────────────────────────
+def run_command(cmd : String) : Bool
+  Process.run(
+    cmd,
+    shell:  true,
+    input:  Process::Redirect::Inherit,
+    output: Process::Redirect::Inherit,
+    error:  Process::Redirect::Inherit
+  ).success?
+end
+
+def capture_command(cmd : String) : {Bool, String}
+  buf    = IO::Memory.new
+  status = Process.run(cmd, shell: true, input: Process::Redirect::Close, output: buf, error: buf)
+  {status.success?, buf.to_s}
+end
+
+# Run sudo command with password piped via stdin — bypasses TTY cache issues.
+def sudo_run(cmd : String) : Bool
+  full = "echo #{Process.quote(SudoState.password)} | sudo -S sh -c #{Process.quote(cmd)} 2>/dev/null"
+  Process.run(
+    full,
+    shell:  true,
+    input:  Process::Redirect::Close,
+    output: Process::Redirect::Inherit,
+    error:  Process::Redirect::Inherit
+  ).success?
+end
+
+# ── Sudo password prompt ──────────────────────────────────────────────────────
+def prompt_sudo_password : String
+  puts ""
+  puts "  #{"┌".colorize(:dark_gray)} #{"Sudo authentication".colorize(:white).bold}"
+  puts "  #{"│".colorize(:dark_gray)}  #{"Password is piped directly to each sudo call — no repeated prompts.".colorize(:dark_gray)}"
+  print "  #{"└".colorize(:dark_gray)}  #{"password".colorize(:white)} › "
+
+  password = ""
+  STDIN.raw do |io|
+    loop do
+      byte = io.read_byte
+      break if byte.nil?
+      char = byte.chr
+      break if char == '\r' || char == '\n'
+      if char == '\u007F' || char == '\b'
+        unless password.empty?
+          password = password[0..-2]
+          print "\b \b"
+        end
+        next
+      end
+      password += char.to_s
+      print "*"
+    end
+  end
+  puts ""
+
+  validated = Process.run(
+    "echo #{Process.quote(password)} | sudo -S true 2>/dev/null",
+    shell:  true,
+    input:  Process::Redirect::Close,
+    output: Process::Redirect::Close,
+    error:  Process::Redirect::Close
+  ).success?
+
+  unless validated
+    puts ""
+    puts "  #{"✗".colorize(:red).bold}  #{"Incorrect password — aborting.".colorize(:red)}"
+    exit(1)
+  end
+
+  puts "  #{"✓".colorize(:green).bold}  #{"Authentication successful.".colorize(:light_gray)}"
+  puts ""
+  password
+end