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fix(cli): ipv6 parsing for --allow-net params (denoland#6453)
Co-authored-by: Liming Jin <jinliming2@gmail.com>
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Original file line number | Diff line number | Diff line change |
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use std::net::IpAddr; | ||
use std::str::FromStr; | ||
use url::Url; | ||
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#[derive(Debug, PartialEq, Eq)] | ||
pub struct ParsePortError(String); | ||
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#[derive(Debug, PartialEq, Eq)] | ||
pub struct BarePort(u16); | ||
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impl FromStr for BarePort { | ||
type Err = ParsePortError; | ||
fn from_str(s: &str) -> Result<BarePort, ParsePortError> { | ||
if s.starts_with(':') { | ||
match s.split_at(1).1.parse::<u16>() { | ||
Ok(port) => Ok(BarePort(port)), | ||
Err(e) => Err(ParsePortError(e.to_string())), | ||
} | ||
} else { | ||
Err(ParsePortError( | ||
"Bare Port doesn't start with ':'".to_string(), | ||
)) | ||
} | ||
} | ||
} | ||
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/// Expands "bare port" paths (eg. ":8080") into full paths with hosts. It | ||
/// expands to such paths into 3 paths with following hosts: `0.0.0.0:port`, | ||
/// `127.0.0.1:port` and `localhost:port`. | ||
pub fn resolve_hosts(paths: Vec<String>) -> Vec<String> { | ||
let mut out: Vec<String> = vec![]; | ||
for host_and_port in paths.iter() { | ||
if Url::parse(&format!("deno://{}", host_and_port)).is_ok() | ||
|| host_and_port.parse::<IpAddr>().is_ok() | ||
{ | ||
out.push(host_and_port.to_owned()) | ||
} else if let Ok(port) = host_and_port.parse::<BarePort>() { | ||
// we got bare port, let's add default hosts | ||
for host in ["0.0.0.0", "127.0.0.1", "localhost"].iter() { | ||
out.push(format!("{}:{}", host, port.0)); | ||
} | ||
} else { | ||
panic!("Bad host:port pair: {}", host_and_port) | ||
} | ||
} | ||
out | ||
} | ||
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#[cfg(test)] | ||
mod bare_port_tests { | ||
use super::{BarePort, ParsePortError}; | ||
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#[test] | ||
fn bare_port_parsed() { | ||
let expected = BarePort(8080); | ||
let actual = ":8080".parse::<BarePort>(); | ||
assert_eq!(actual, Ok(expected)); | ||
} | ||
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#[test] | ||
fn bare_port_parse_error1() { | ||
let expected = | ||
ParsePortError("Bare Port doesn't start with ':'".to_string()); | ||
let actual = "8080".parse::<BarePort>(); | ||
assert_eq!(actual, Err(expected)); | ||
} | ||
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#[test] | ||
fn bare_port_parse_error2() { | ||
let actual = ":65536".parse::<BarePort>(); | ||
assert!(actual.is_err()); | ||
} | ||
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#[test] | ||
fn bare_port_parse_error3() { | ||
let actual = ":14u16".parse::<BarePort>(); | ||
assert!(actual.is_err()); | ||
} | ||
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#[test] | ||
fn bare_port_parse_error4() { | ||
let actual = "Deno".parse::<BarePort>(); | ||
assert!(actual.is_err()); | ||
} | ||
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#[test] | ||
fn bare_port_parse_error5() { | ||
let actual = "deno.land:8080".parse::<BarePort>(); | ||
assert!(actual.is_err()); | ||
} | ||
} | ||
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#[cfg(test)] | ||
mod tests { | ||
use super::resolve_hosts; | ||
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// Creates vector of strings, Vec<String> | ||
macro_rules! svec { | ||
($($x:expr),*) => (vec![$($x.to_string()),*]); | ||
} | ||
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#[test] | ||
fn resolve_hosts_() { | ||
let entries = svec![ | ||
"deno.land", | ||
"deno.land:80", | ||
"::", | ||
"::1", | ||
"127.0.0.1", | ||
"[::1]", | ||
"1.2.3.4:5678", | ||
"0.0.0.0:5678", | ||
"127.0.0.1:5678", | ||
"[::]:5678", | ||
"[::1]:5678", | ||
"localhost:5678", | ||
"[::1]:8080", | ||
"[::]:8000", | ||
"[::1]:8000", | ||
"localhost:8000", | ||
"0.0.0.0:4545", | ||
"127.0.0.1:4545", | ||
"999.0.88.1:80" | ||
]; | ||
let expected = svec![ | ||
"deno.land", | ||
"deno.land:80", | ||
"::", | ||
"::1", | ||
"127.0.0.1", | ||
"[::1]", | ||
"1.2.3.4:5678", | ||
"0.0.0.0:5678", | ||
"127.0.0.1:5678", | ||
"[::]:5678", | ||
"[::1]:5678", | ||
"localhost:5678", | ||
"[::1]:8080", | ||
"[::]:8000", | ||
"[::1]:8000", | ||
"localhost:8000", | ||
"0.0.0.0:4545", | ||
"127.0.0.1:4545", | ||
"999.0.88.1:80" | ||
]; | ||
let actual = resolve_hosts(entries); | ||
assert_eq!(actual, expected); | ||
} | ||
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#[test] | ||
fn resolve_hosts_expansion() { | ||
let entries = svec![":8080"]; | ||
let expected = svec!["0.0.0.0:8080", "127.0.0.1:8080", "localhost:8080"]; | ||
let actual = resolve_hosts(entries); | ||
assert_eq!(actual, expected); | ||
} | ||
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#[test] | ||
fn resolve_hosts_ipv6() { | ||
let entries = | ||
svec!["::", "::1", "[::1]", "[::]:5678", "[::1]:5678", "::cafe"]; | ||
let expected = | ||
svec!["::", "::1", "[::1]", "[::]:5678", "[::1]:5678", "::cafe"]; | ||
let actual = resolve_hosts(entries); | ||
assert_eq!(actual, expected); | ||
} | ||
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#[test] | ||
#[should_panic] | ||
fn resolve_hosts_ipv6_error1() { | ||
let entries = svec![":::"]; | ||
resolve_hosts(entries); | ||
} | ||
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#[test] | ||
#[should_panic] | ||
fn resolve_hosts_ipv6_error2() { | ||
let entries = svec!["0123:4567:890a:bcde:fg::"]; | ||
resolve_hosts(entries); | ||
} | ||
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#[test] | ||
#[should_panic] | ||
fn resolve_hosts_ipv6_error3() { | ||
let entries = svec!["[::q]:8080"]; | ||
resolve_hosts(entries); | ||
} | ||
} |
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