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feat(core): highlight unprintable chars in permission prompts (#22468)

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If we strip out unprintable chars, we don't see the full filename being
requested by permission prompts. Instead, we highlight and escape them
to make them visible.
This commit is contained in:
Matt Mastracci 2024-02-18 21:51:06 -07:00 committed by GitHub
parent 9a43a2b495
commit 7e6b942312
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GPG key ID: B5690EEEBB952194
2 changed files with 29 additions and 21 deletions
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30
runtime/permissions/prompter.rs
View file

@ -11,12 +11,24 @@ use std::io::StderrLock;
use std::io::StdinLock;
use std::io::Write as IoWrite;
/// Helper function to strip ansi codes and ASCII control characters.
fn strip_ansi_codes_and_ascii_control(s: &str) -> std::borrow::Cow<str> {
console_static_text::ansi::strip_ansi_codes(s)
.chars()
.filter(|c| !c.is_ascii_control())
.collect()
/// Helper function to make control characters visible so users can see the underlying filename.
fn escape_control_characters(s: &str) -> std::borrow::Cow<str> {
if !s.contains(|c: char| c.is_ascii_control() || c.is_control()) {
return std::borrow::Cow::Borrowed(s);
}
let mut output = String::with_capacity(s.len() * 2);
for c in s.chars() {
match c {
c if c.is_ascii_control() => output.push_str(
&colors::white_bold_on_red(c.escape_debug().to_string()).to_string(),
),
c if c.is_control() => output.push_str(
&colors::white_bold_on_red(c.escape_debug().to_string()).to_string(),
),
c => output.push(c),
}
}
output.into()
}
pub const PERMISSION_EMOJI: &str = "⚠️";
@ -249,9 +261,9 @@ impl PermissionPrompter for TtyPrompter {
return PromptResponse::Deny; // don't grant permission if this fails
}
let message = strip_ansi_codes_and_ascii_control(message);
let name = strip_ansi_codes_and_ascii_control(name);
let api_name = api_name.map(strip_ansi_codes_and_ascii_control);
let message = escape_control_characters(message);
let name = escape_control_characters(name);
let api_name = api_name.map(escape_control_characters);
// print to stderr so that if stdout is piped this is still displayed.
let opts: String = if is_unary {

20
tests/integration/run_tests.rs
View file

@ -4725,19 +4725,19 @@ fn stdio_streams_are_locked_in_permission_prompt() {
}
#[test]
fn permission_prompt_strips_ansi_codes_and_control_chars() {
fn permission_prompt_escapes_ansi_codes_and_control_chars() {
util::with_pty(&["repl"], |mut console| {
console.write_line(
r#"Deno.permissions.request({ name: "env", variable: "\rDo you like ice cream? y/n" });"#
);
// will be uppercase on windows
let env_name = if cfg!(windows) {
"DO YOU LIKE ICE CREAM? Y/N"
"\\rDO YOU LIKE ICE CREAM? Y/N"
} else {
"Do you like ice cream? y/n"
"\\rDo you like ice cream? y/n"
};
console.expect(format!(
"┌ ⚠️ Deno requests env access to \"{}\".",
"\u{250c} \u{26a0}\u{fe0f} Deno requests env access to \"{}\".",
env_name
))
});
@ -4747,14 +4747,10 @@ fn permission_prompt_strips_ansi_codes_and_control_chars() {
console.expect("undefined");
console.write_line_raw(r#"const unboldANSI = "\u001b[22m";"#);
console.expect("undefined");
console.write_line_raw(r#"const prompt = `┌ ⚠️ ${boldANSI}Deno requests run access to "echo"${unboldANSI}\n ├ Requested by \`Deno.Command().output()`"#);
console.expect("undefined");
console.write_line_raw(r#"const moveANSIUp = "\u001b[1A";"#);
console.expect("undefined");
console.write_line_raw(r#"const clearANSI = "\u001b[2K";"#);
console.expect("undefined");
console.write_line_raw(r#"const moveANSIStart = "\u001b[1000D";"#);
console.expect("undefined");
console.write_line_raw(
r#"new Deno.Command(`${boldANSI}cat${unboldANSI}`).spawn();"#,
);
console.expect("\u{250c} \u{26a0}\u{fe0f} Deno requests run access to \"\\u{1b}[1mcat\\u{1b}[22m\".");
});
}