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John Doty 2024-03-08 11:03:01 -08:00
parent 5deceec006
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{"files":{"Cargo.toml":"33e77fef5d9e5592daeff71b551f983f19ddd9d31a7c002e642a3c40d8b08123","LICENSE-APACHE":"a60eea817514531668d7e00765731449fe14d059d3249e0bc93b36de45f759f2","LICENSE-MIT":"76e972ac0f4ddb116e86e10100132a783931a596e7b9872eaa31be15cd4d751d","README.md":"71b01ec6f2f4ce47235ee430ba0c41afac563403a9dbcda23a584c3e915395ac","src/host.rs":"5e25476aaec0153b64d35b53940a72a1ec58e29a0e1fde36944f52eeb945c5f6","src/lib.rs":"e017abe9c33881a96b5daafeee65b1814b4418f5fb0c96d0aaea65a14c9292c9","src/origin.rs":"19a4b451e8615bfef7239d2fc719c489398fe5044edb0df7c84b54eef4ceba1b","src/parser.rs":"5427cd15caedc8e3c1418cc576a7263e96df26a51ad3ce88f8c32d3eb7d6dd2c","src/path_segments.rs":"29db87b6902da4ab1ae925b3874afdeff42b8ddfb46356af6a83b86f34e03b14","src/quirks.rs":"c9311e3dd6f701fb4b8e438b3e3960ff6f8c78a67ae763f3640b178f15c60e45","src/slicing.rs":"3b1aaad36ba7e89f50c90d1ceddda1f8ba52a364c153541ac5c9ce54dacb6724","tests/expected_failures.txt":"f222a5e2f7bdfbd724cf7fb8e35e71a0fe1f3ac9c2771919d7ff5ba9e51c5769","tests/setters_tests.json":"a3a4cbd7b798bc2c4d9656dc50be7397a5a5ed1f0b52daa1da1ad654d38c1dcd","tests/unit.rs":"1abe0a410c5078e1ad9de8c93f2f2ae660ddb47b7efaac9047e952457b068ded","tests/urltestdata.json":"58d67bea710d5f46324fe6841df5fd82090fe4ec2d882bc0fc7c1784d4771884","tests/wpt.rs":"6302c008cde6e7c0df8626701cc825731363722d02e35804bb370c385b455145"},"package":"31e6302e3bb753d46e83516cae55ae196fc0c309407cf11ab35cc51a4c2a4633"}

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# THIS FILE IS AUTOMATICALLY GENERATED BY CARGO
#
# When uploading crates to the registry Cargo will automatically
# "normalize" Cargo.toml files for maximal compatibility
# with all versions of Cargo and also rewrite `path` dependencies
# to registry (e.g., crates.io) dependencies.
#
# If you are reading this file be aware that the original Cargo.toml
# will likely look very different (and much more reasonable).
# See Cargo.toml.orig for the original contents.
[package]
edition = "2018"
rust-version = "1.56"
name = "url"
version = "2.5.0"
authors = ["The rust-url developers"]
include = [
"src/**/*",
"LICENSE-*",
"README.md",
"tests/**",
]
description = "URL library for Rust, based on the WHATWG URL Standard"
documentation = "https://docs.rs/url"
readme = "README.md"
keywords = [
"url",
"parser",
]
categories = [
"parser-implementations",
"web-programming",
"encoding",
]
license = "MIT OR Apache-2.0"
repository = "https://github.com/servo/rust-url"
[package.metadata.docs.rs]
features = ["serde"]
rustdoc-args = ["--generate-link-to-definition"]
[package.metadata.playground]
features = ["serde"]
[[test]]
name = "url_wpt"
path = "tests/wpt.rs"
harness = false
[[bench]]
name = "parse_url"
path = "benches/parse_url.rs"
harness = false
[dependencies.form_urlencoded]
version = "1.2.1"
[dependencies.idna]
version = "0.5.0"
[dependencies.percent-encoding]
version = "2.3.1"
[dependencies.serde]
version = "1.0"
features = ["derive"]
optional = true
[dev-dependencies.bencher]
version = "0.1"
[dev-dependencies.serde]
version = "1.0"
features = ["derive"]
[dev-dependencies.serde_json]
version = "1.0"
[features]
debugger_visualizer = []
default = []
expose_internals = []

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Apache License
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Copyright (c) 2013-2022 The rust-url developers
Permission is hereby granted, free of charge, to any
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conditions:
The above copyright notice and this permission notice
shall be included in all copies or substantial portions
of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF
ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
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SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.

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rust-url
========
[![Build status](https://github.com/servo/rust-url/workflows/CI/badge.svg)](https://github.com/servo/rust-url/actions?query=workflow%3ACI)
[![Coverage](https://codecov.io/gh/servo/rust-url/branch/master/graph/badge.svg)](https://codecov.io/gh/servo/rust-url)
[![Chat](https://img.shields.io/badge/chat-%23rust--url:mozilla.org-%2346BC99?logo=Matrix)](https://matrix.to/#/#rust-url:mozilla.org)
[![License: MIT](https://img.shields.io/badge/License-MIT-blue.svg)](LICENSE-MIT)
[![License: Apache 2.0](https://img.shields.io/badge/License-Apache%202.0-blue.svg)](LICENSE-APACHE)
URL library for Rust, based on the [URL Standard](https://url.spec.whatwg.org/).
[Documentation](https://docs.rs/url/)
Please see [UPGRADING.md](https://github.com/servo/rust-url/blob/master/UPGRADING.md) if you are upgrading from a previous version.

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// Copyright 2013-2016 The rust-url developers.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
use std::cmp;
use std::fmt::{self, Formatter};
use std::net::{Ipv4Addr, Ipv6Addr};
use percent_encoding::{percent_decode, utf8_percent_encode, CONTROLS};
#[cfg(feature = "serde")]
use serde::{Deserialize, Serialize};
use crate::parser::{ParseError, ParseResult};
#[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
#[derive(Copy, Clone, Debug, Eq, PartialEq)]
pub(crate) enum HostInternal {
None,
Domain,
Ipv4(Ipv4Addr),
Ipv6(Ipv6Addr),
}
impl From<Host<String>> for HostInternal {
fn from(host: Host<String>) -> HostInternal {
match host {
Host::Domain(ref s) if s.is_empty() => HostInternal::None,
Host::Domain(_) => HostInternal::Domain,
Host::Ipv4(address) => HostInternal::Ipv4(address),
Host::Ipv6(address) => HostInternal::Ipv6(address),
}
}
}
/// The host name of an URL.
#[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
#[derive(Clone, Debug, Eq, Ord, PartialOrd, Hash)]
pub enum Host<S = String> {
/// A DNS domain name, as '.' dot-separated labels.
/// Non-ASCII labels are encoded in punycode per IDNA if this is the host of
/// a special URL, or percent encoded for non-special URLs. Hosts for
/// non-special URLs are also called opaque hosts.
Domain(S),
/// An IPv4 address.
/// `Url::host_str` returns the serialization of this address,
/// as four decimal integers separated by `.` dots.
Ipv4(Ipv4Addr),
/// An IPv6 address.
/// `Url::host_str` returns the serialization of that address between `[` and `]` brackets,
/// in the format per [RFC 5952 *A Recommendation
/// for IPv6 Address Text Representation*](https://tools.ietf.org/html/rfc5952):
/// lowercase hexadecimal with maximal `::` compression.
Ipv6(Ipv6Addr),
}
impl<'a> Host<&'a str> {
/// Return a copy of `self` that owns an allocated `String` but does not borrow an `&Url`.
pub fn to_owned(&self) -> Host<String> {
match *self {
Host::Domain(domain) => Host::Domain(domain.to_owned()),
Host::Ipv4(address) => Host::Ipv4(address),
Host::Ipv6(address) => Host::Ipv6(address),
}
}
}
impl Host<String> {
/// Parse a host: either an IPv6 address in [] square brackets, or a domain.
///
/// <https://url.spec.whatwg.org/#host-parsing>
pub fn parse(input: &str) -> Result<Self, ParseError> {
if input.starts_with('[') {
if !input.ends_with(']') {
return Err(ParseError::InvalidIpv6Address);
}
return parse_ipv6addr(&input[1..input.len() - 1]).map(Host::Ipv6);
}
let domain = percent_decode(input.as_bytes()).decode_utf8_lossy();
let domain = Self::domain_to_ascii(&domain)?;
if domain.is_empty() {
return Err(ParseError::EmptyHost);
}
let is_invalid_domain_char = |c| {
matches!(
c,
'\0'..='\u{001F}'
| ' '
| '#'
| '%'
| '/'
| ':'
| '<'
| '>'
| '?'
| '@'
| '['
| '\\'
| ']'
| '^'
| '\u{007F}'
| '|'
)
};
if domain.find(is_invalid_domain_char).is_some() {
Err(ParseError::InvalidDomainCharacter)
} else if ends_in_a_number(&domain) {
let address = parse_ipv4addr(&domain)?;
Ok(Host::Ipv4(address))
} else {
Ok(Host::Domain(domain))
}
}
// <https://url.spec.whatwg.org/#concept-opaque-host-parser>
pub fn parse_opaque(input: &str) -> Result<Self, ParseError> {
if input.starts_with('[') {
if !input.ends_with(']') {
return Err(ParseError::InvalidIpv6Address);
}
return parse_ipv6addr(&input[1..input.len() - 1]).map(Host::Ipv6);
}
let is_invalid_host_char = |c| {
matches!(
c,
'\0' | '\t'
| '\n'
| '\r'
| ' '
| '#'
| '/'
| ':'
| '<'
| '>'
| '?'
| '@'
| '['
| '\\'
| ']'
| '^'
| '|'
)
};
if input.find(is_invalid_host_char).is_some() {
Err(ParseError::InvalidDomainCharacter)
} else {
Ok(Host::Domain(
utf8_percent_encode(input, CONTROLS).to_string(),
))
}
}
/// convert domain with idna
fn domain_to_ascii(domain: &str) -> Result<String, ParseError> {
idna::domain_to_ascii(domain).map_err(Into::into)
}
}
impl<S: AsRef<str>> fmt::Display for Host<S> {
fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result {
match *self {
Host::Domain(ref domain) => domain.as_ref().fmt(f),
Host::Ipv4(ref addr) => addr.fmt(f),
Host::Ipv6(ref addr) => {
f.write_str("[")?;
write_ipv6(addr, f)?;
f.write_str("]")
}
}
}
}
impl<S, T> PartialEq<Host<T>> for Host<S>
where
S: PartialEq<T>,
{
fn eq(&self, other: &Host<T>) -> bool {
match (self, other) {
(Host::Domain(a), Host::Domain(b)) => a == b,
(Host::Ipv4(a), Host::Ipv4(b)) => a == b,
(Host::Ipv6(a), Host::Ipv6(b)) => a == b,
(_, _) => false,
}
}
}
fn write_ipv6(addr: &Ipv6Addr, f: &mut Formatter<'_>) -> fmt::Result {
let segments = addr.segments();
let (compress_start, compress_end) = longest_zero_sequence(&segments);
let mut i = 0;
while i < 8 {
if i == compress_start {
f.write_str(":")?;
if i == 0 {
f.write_str(":")?;
}
if compress_end < 8 {
i = compress_end;
} else {
break;
}
}
write!(f, "{:x}", segments[i as usize])?;
if i < 7 {
f.write_str(":")?;
}
i += 1;
}
Ok(())
}
// https://url.spec.whatwg.org/#concept-ipv6-serializer step 2 and 3
fn longest_zero_sequence(pieces: &[u16; 8]) -> (isize, isize) {
let mut longest = -1;
let mut longest_length = -1;
let mut start = -1;
macro_rules! finish_sequence(
($end: expr) => {
if start >= 0 {
let length = $end - start;
if length > longest_length {
longest = start;
longest_length = length;
}
}
};
);
for i in 0..8 {
if pieces[i as usize] == 0 {
if start < 0 {
start = i;
}
} else {
finish_sequence!(i);
start = -1;
}
}
finish_sequence!(8);
// https://url.spec.whatwg.org/#concept-ipv6-serializer
// step 3: ignore lone zeroes
if longest_length < 2 {
(-1, -2)
} else {
(longest, longest + longest_length)
}
}
/// <https://url.spec.whatwg.org/#ends-in-a-number-checker>
fn ends_in_a_number(input: &str) -> bool {
let mut parts = input.rsplit('.');
let last = parts.next().unwrap();
let last = if last.is_empty() {
if let Some(last) = parts.next() {
last
} else {
return false;
}
} else {
last
};
if !last.is_empty() && last.as_bytes().iter().all(|c| c.is_ascii_digit()) {
return true;
}
parse_ipv4number(last).is_ok()
}
/// <https://url.spec.whatwg.org/#ipv4-number-parser>
/// Ok(None) means the input is a valid number, but it overflows a `u32`.
fn parse_ipv4number(mut input: &str) -> Result<Option<u32>, ()> {
if input.is_empty() {
return Err(());
}
let mut r = 10;
if input.starts_with("0x") || input.starts_with("0X") {
input = &input[2..];
r = 16;
} else if input.len() >= 2 && input.starts_with('0') {
input = &input[1..];
r = 8;
}
if input.is_empty() {
return Ok(Some(0));
}
let valid_number = match r {
8 => input.as_bytes().iter().all(|c| (b'0'..=b'7').contains(c)),
10 => input.as_bytes().iter().all(|c| c.is_ascii_digit()),
16 => input.as_bytes().iter().all(|c| c.is_ascii_hexdigit()),
_ => false,
};
if !valid_number {
return Err(());
}
match u32::from_str_radix(input, r) {
Ok(num) => Ok(Some(num)),
Err(_) => Ok(None), // The only possible error kind here is an integer overflow.
// The validity of the chars in the input is checked above.
}
}
/// <https://url.spec.whatwg.org/#concept-ipv4-parser>
fn parse_ipv4addr(input: &str) -> ParseResult<Ipv4Addr> {
let mut parts: Vec<&str> = input.split('.').collect();
if parts.last() == Some(&"") {
parts.pop();
}
if parts.len() > 4 {
return Err(ParseError::InvalidIpv4Address);
}
let mut numbers: Vec<u32> = Vec::new();
for part in parts {
match parse_ipv4number(part) {
Ok(Some(n)) => numbers.push(n),
Ok(None) => return Err(ParseError::InvalidIpv4Address), // u32 overflow
Err(()) => return Err(ParseError::InvalidIpv4Address),
};
}
let mut ipv4 = numbers.pop().expect("a non-empty list of numbers");
// Equivalent to: ipv4 >= 256 ** (4 − numbers.len())
if ipv4 > u32::max_value() >> (8 * numbers.len() as u32) {
return Err(ParseError::InvalidIpv4Address);
}
if numbers.iter().any(|x| *x > 255) {
return Err(ParseError::InvalidIpv4Address);
}
for (counter, n) in numbers.iter().enumerate() {
ipv4 += n << (8 * (3 - counter as u32))
}
Ok(Ipv4Addr::from(ipv4))
}
/// <https://url.spec.whatwg.org/#concept-ipv6-parser>
fn parse_ipv6addr(input: &str) -> ParseResult<Ipv6Addr> {
let input = input.as_bytes();
let len = input.len();
let mut is_ip_v4 = false;
let mut pieces = [0, 0, 0, 0, 0, 0, 0, 0];
let mut piece_pointer = 0;
let mut compress_pointer = None;
let mut i = 0;
if len < 2 {
return Err(ParseError::InvalidIpv6Address);
}
if input[0] == b':' {
if input[1] != b':' {
return Err(ParseError::InvalidIpv6Address);
}
i = 2;
piece_pointer = 1;
compress_pointer = Some(1);
}
while i < len {
if piece_pointer == 8 {
return Err(ParseError::InvalidIpv6Address);
}
if input[i] == b':' {
if compress_pointer.is_some() {
return Err(ParseError::InvalidIpv6Address);
}
i += 1;
piece_pointer += 1;
compress_pointer = Some(piece_pointer);
continue;
}
let start = i;
let end = cmp::min(len, start + 4);
let mut value = 0u16;
while i < end {
match (input[i] as char).to_digit(16) {
Some(digit) => {
value = value * 0x10 + digit as u16;
i += 1;
}
None => break,
}
}
if i < len {
match input[i] {
b'.' => {
if i == start {
return Err(ParseError::InvalidIpv6Address);
}
i = start;
if piece_pointer > 6 {
return Err(ParseError::InvalidIpv6Address);
}
is_ip_v4 = true;
}
b':' => {
i += 1;
if i == len {
return Err(ParseError::InvalidIpv6Address);
}
}
_ => return Err(ParseError::InvalidIpv6Address),
}
}
if is_ip_v4 {
break;
}
pieces[piece_pointer] = value;
piece_pointer += 1;
}
if is_ip_v4 {
if piece_pointer > 6 {
return Err(ParseError::InvalidIpv6Address);
}
let mut numbers_seen = 0;
while i < len {
if numbers_seen > 0 {
if numbers_seen < 4 && (i < len && input[i] == b'.') {
i += 1
} else {
return Err(ParseError::InvalidIpv6Address);
}
}
let mut ipv4_piece = None;
while i < len {
let digit = match input[i] {
c @ b'0'..=b'9' => c - b'0',
_ => break,
};
match ipv4_piece {
None => ipv4_piece = Some(digit as u16),
Some(0) => return Err(ParseError::InvalidIpv6Address), // No leading zero
Some(ref mut v) => {
*v = *v * 10 + digit as u16;
if *v > 255 {
return Err(ParseError::InvalidIpv6Address);
}
}
}
i += 1;
}
pieces[piece_pointer] = if let Some(v) = ipv4_piece {
pieces[piece_pointer] * 0x100 + v
} else {
return Err(ParseError::InvalidIpv6Address);
};
numbers_seen += 1;
if numbers_seen == 2 || numbers_seen == 4 {
piece_pointer += 1;
}
}
if numbers_seen != 4 {
return Err(ParseError::InvalidIpv6Address);
}
}
if i < len {
return Err(ParseError::InvalidIpv6Address);
}
match compress_pointer {
Some(compress_pointer) => {
let mut swaps = piece_pointer - compress_pointer;
piece_pointer = 7;
while swaps > 0 {
pieces.swap(piece_pointer, compress_pointer + swaps - 1);
swaps -= 1;
piece_pointer -= 1;
}
}
_ => {
if piece_pointer != 8 {
return Err(ParseError::InvalidIpv6Address);
}
}
}
Ok(Ipv6Addr::new(
pieces[0], pieces[1], pieces[2], pieces[3], pieces[4], pieces[5], pieces[6], pieces[7],
))
}

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// Copyright 2016 The rust-url developers.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
use crate::host::Host;
use crate::parser::default_port;
use crate::Url;
use std::sync::atomic::{AtomicUsize, Ordering};
pub fn url_origin(url: &Url) -> Origin {
let scheme = url.scheme();
match scheme {
"blob" => {
let result = Url::parse(url.path());
match result {
Ok(ref url) => url_origin(url),
Err(_) => Origin::new_opaque(),
}
}
"ftp" | "http" | "https" | "ws" | "wss" => Origin::Tuple(
scheme.to_owned(),
url.host().unwrap().to_owned(),
url.port_or_known_default().unwrap(),
),
// TODO: Figure out what to do if the scheme is a file
"file" => Origin::new_opaque(),
_ => Origin::new_opaque(),
}
}
/// The origin of an URL
///
/// Two URLs with the same origin are considered
/// to originate from the same entity and can therefore trust
/// each other.
///
/// The origin is determined based on the scheme as follows:
///
/// - If the scheme is "blob" the origin is the origin of the
/// URL contained in the path component. If parsing fails,
/// it is an opaque origin.
/// - If the scheme is "ftp", "http", "https", "ws", or "wss",
/// then the origin is a tuple of the scheme, host, and port.
/// - If the scheme is anything else, the origin is opaque, meaning
/// the URL does not have the same origin as any other URL.
///
/// For more information see <https://url.spec.whatwg.org/#origin>
#[derive(PartialEq, Eq, Hash, Clone, Debug)]
pub enum Origin {
/// A globally unique identifier
Opaque(OpaqueOrigin),
/// Consists of the URL's scheme, host and port
Tuple(String, Host<String>, u16),
}
impl Origin {
/// Creates a new opaque origin that is only equal to itself.
pub fn new_opaque() -> Origin {
static COUNTER: AtomicUsize = AtomicUsize::new(0);
Origin::Opaque(OpaqueOrigin(COUNTER.fetch_add(1, Ordering::SeqCst)))
}
/// Return whether this origin is a (scheme, host, port) tuple
/// (as opposed to an opaque origin).
pub fn is_tuple(&self) -> bool {
matches!(*self, Origin::Tuple(..))
}
/// <https://html.spec.whatwg.org/multipage/#ascii-serialisation-of-an-origin>
pub fn ascii_serialization(&self) -> String {
match *self {
Origin::Opaque(_) => "null".to_owned(),
Origin::Tuple(ref scheme, ref host, port) => {
if default_port(scheme) == Some(port) {
format!("{}://{}", scheme, host)
} else {
format!("{}://{}:{}", scheme, host, port)
}
}
}
}
/// <https://html.spec.whatwg.org/multipage/#unicode-serialisation-of-an-origin>
pub fn unicode_serialization(&self) -> String {
match *self {
Origin::Opaque(_) => "null".to_owned(),
Origin::Tuple(ref scheme, ref host, port) => {
let host = match *host {
Host::Domain(ref domain) => {
let (domain, _errors) = idna::domain_to_unicode(domain);
Host::Domain(domain)
}
_ => host.clone(),
};
if default_port(scheme) == Some(port) {
format!("{}://{}", scheme, host)
} else {
format!("{}://{}:{}", scheme, host, port)
}
}
}
}
}
/// Opaque identifier for URLs that have file or other schemes
#[derive(Eq, PartialEq, Hash, Clone, Debug)]
pub struct OpaqueOrigin(usize);

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// Copyright 2016 The rust-url developers.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
use crate::parser::{self, to_u32, SchemeType};
use crate::Url;
use std::str;
/// Exposes methods to manipulate the path of an URL that is not cannot-be-base.
///
/// The path always starts with a `/` slash, and is made of slash-separated segments.
/// There is always at least one segment (which may be the empty string).
///
/// Examples:
///
/// ```rust
/// use url::Url;
/// # use std::error::Error;
///
/// # fn run() -> Result<(), Box<dyn Error>> {
/// let mut url = Url::parse("mailto:me@example.com")?;
/// assert!(url.path_segments_mut().is_err());
///
/// let mut url = Url::parse("http://example.net/foo/index.html")?;
/// url.path_segments_mut().map_err(|_| "cannot be base")?
/// .pop().push("img").push("2/100%.png");
/// assert_eq!(url.as_str(), "http://example.net/foo/img/2%2F100%25.png");
/// # Ok(())
/// # }
/// # run().unwrap();
/// ```
#[derive(Debug)]
pub struct PathSegmentsMut<'a> {
url: &'a mut Url,
after_first_slash: usize,
after_path: String,
old_after_path_position: u32,
}
// Not re-exported outside the crate
pub fn new(url: &mut Url) -> PathSegmentsMut<'_> {
let after_path = url.take_after_path();
let old_after_path_position = to_u32(url.serialization.len()).unwrap();
// Special urls always have a non empty path
if SchemeType::from(url.scheme()).is_special() {
debug_assert!(url.byte_at(url.path_start) == b'/');
} else {
debug_assert!(
url.serialization.len() == url.path_start as usize
|| url.byte_at(url.path_start) == b'/'
);
}
PathSegmentsMut {
after_first_slash: url.path_start as usize + "/".len(),
url,
old_after_path_position,
after_path,
}
}
impl<'a> Drop for PathSegmentsMut<'a> {
fn drop(&mut self) {
self.url
.restore_after_path(self.old_after_path_position, &self.after_path)
}
}
impl<'a> PathSegmentsMut<'a> {
/// Remove all segments in the path, leaving the minimal `url.path() == "/"`.
///
/// Returns `&mut Self` so that method calls can be chained.
///
/// Example:
///
/// ```rust
/// use url::Url;
/// # use std::error::Error;
///
/// # fn run() -> Result<(), Box<dyn Error>> {
/// let mut url = Url::parse("https://github.com/servo/rust-url/")?;
/// url.path_segments_mut().map_err(|_| "cannot be base")?
/// .clear().push("logout");
/// assert_eq!(url.as_str(), "https://github.com/logout");
/// # Ok(())
/// # }
/// # run().unwrap();
/// ```
pub fn clear(&mut self) -> &mut Self {
self.url.serialization.truncate(self.after_first_slash);
self
}
/// Remove the last segment of this URL’s path if it is empty,
/// except if these was only one segment to begin with.
///
/// In other words, remove one path trailing slash, if any,
/// unless it is also the initial slash (so this does nothing if `url.path() == "/")`.
///
/// Returns `&mut Self` so that method calls can be chained.
///
/// Example:
///
/// ```rust
/// use url::Url;
/// # use std::error::Error;
///
/// # fn run() -> Result<(), Box<dyn Error>> {
/// let mut url = Url::parse("https://github.com/servo/rust-url/")?;
/// url.path_segments_mut().map_err(|_| "cannot be base")?
/// .push("pulls");
/// assert_eq!(url.as_str(), "https://github.com/servo/rust-url//pulls");
///
/// let mut url = Url::parse("https://github.com/servo/rust-url/")?;
/// url.path_segments_mut().map_err(|_| "cannot be base")?
/// .pop_if_empty().push("pulls");
/// assert_eq!(url.as_str(), "https://github.com/servo/rust-url/pulls");
/// # Ok(())
/// # }
/// # run().unwrap();
/// ```
pub fn pop_if_empty(&mut self) -> &mut Self {
if self.after_first_slash >= self.url.serialization.len() {
return self;
}
if self.url.serialization[self.after_first_slash..].ends_with('/') {
self.url.serialization.pop();
}
self
}
/// Remove the last segment of this URL’s path.
///
/// If the path only has one segment, make it empty such that `url.path() == "/"`.
///
/// Returns `&mut Self` so that method calls can be chained.
pub fn pop(&mut self) -> &mut Self {
if self.after_first_slash >= self.url.serialization.len() {
return self;
}
let last_slash = self.url.serialization[self.after_first_slash..]
.rfind('/')
.unwrap_or(0);
self.url
.serialization
.truncate(self.after_first_slash + last_slash);
self
}
/// Append the given segment at the end of this URL’s path.
///
/// See the documentation for `.extend()`.
///
/// Returns `&mut Self` so that method calls can be chained.
pub fn push(&mut self, segment: &str) -> &mut Self {
self.extend(Some(segment))
}
/// Append each segment from the given iterator at the end of this URL’s path.
///
/// Each segment is percent-encoded like in `Url::parse` or `Url::join`,
/// except that `%` and `/` characters are also encoded (to `%25` and `%2F`).
/// This is unlike `Url::parse` where `%` is left as-is in case some of the input
/// is already percent-encoded, and `/` denotes a path segment separator.)
///
/// Note that, in addition to slashes between new segments,
/// this always adds a slash between the existing path and the new segments
/// *except* if the existing path is `"/"`.
/// If the previous last segment was empty (if the path had a trailing slash)
/// the path after `.extend()` will contain two consecutive slashes.
/// If that is undesired, call `.pop_if_empty()` first.
///
/// To obtain a behavior similar to `Url::join`, call `.pop()` unconditionally first.
///
/// Returns `&mut Self` so that method calls can be chained.
///
/// Example:
///
/// ```rust
/// use url::Url;
/// # use std::error::Error;
///
/// # fn run() -> Result<(), Box<dyn Error>> {
/// let mut url = Url::parse("https://github.com/")?;
/// let org = "servo";
/// let repo = "rust-url";
/// let issue_number = "188";
/// url.path_segments_mut().map_err(|_| "cannot be base")?
/// .extend(&[org, repo, "issues", issue_number]);
/// assert_eq!(url.as_str(), "https://github.com/servo/rust-url/issues/188");
/// # Ok(())
/// # }
/// # run().unwrap();
/// ```
///
/// In order to make sure that parsing the serialization of an URL gives the same URL,
/// a segment is ignored if it is `"."` or `".."`:
///
/// ```rust
/// use url::Url;
/// # use std::error::Error;
///
/// # fn run() -> Result<(), Box<dyn Error>> {
/// let mut url = Url::parse("https://github.com/servo")?;
/// url.path_segments_mut().map_err(|_| "cannot be base")?
/// .extend(&["..", "rust-url", ".", "pulls"]);
/// assert_eq!(url.as_str(), "https://github.com/servo/rust-url/pulls");
/// # Ok(())
/// # }
/// # run().unwrap();
/// ```
pub fn extend<I>(&mut self, segments: I) -> &mut Self
where
I: IntoIterator,
I::Item: AsRef<str>,
{
let scheme_type = SchemeType::from(self.url.scheme());
let path_start = self.url.path_start as usize;
self.url.mutate(|parser| {
parser.context = parser::Context::PathSegmentSetter;
for segment in segments {
let segment = segment.as_ref();
if matches!(segment, "." | "..") {
continue;
}
if parser.serialization.len() > path_start + 1
// Non special url's path might still be empty
|| parser.serialization.len() == path_start
{
parser.serialization.push('/');
}
let mut has_host = true; // FIXME account for this?
parser.parse_path(
scheme_type,
&mut has_host,
path_start,
parser::Input::new_no_trim(segment),
);
}
});
self
}
}

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// Copyright 2016 The rust-url developers.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
//! Getters and setters for URL components implemented per https://url.spec.whatwg.org/#api
//!
//! Unless you need to be interoperable with web browsers,
//! you probably want to use `Url` method instead.
use crate::parser::{default_port, Context, Input, Parser, SchemeType};
use crate::{Host, ParseError, Position, Url};
/// Internal components / offsets of a URL.
///
/// https://user@pass:example.com:1234/foo/bar?baz#quux
/// | | | | ^^^^| | |
/// | | | | | | | `----- fragment_start
/// | | | | | | `--------- query_start
/// | | | | | `----------------- path_start
/// | | | | `--------------------- port
/// | | | `----------------------- host_end
/// | | `---------------------------------- host_start
/// | `--------------------------------------- username_end
/// `---------------------------------------------- scheme_end
#[derive(Copy, Clone)]
#[cfg(feature = "expose_internals")]
pub struct InternalComponents {
pub scheme_end: u32,
pub username_end: u32,
pub host_start: u32,
pub host_end: u32,
pub port: Option<u16>,
pub path_start: u32,
pub query_start: Option<u32>,
pub fragment_start: Option<u32>,
}
/// Internal component / parsed offsets of the URL.
///
/// This can be useful for implementing efficient serialization
/// for the URL.
#[cfg(feature = "expose_internals")]
pub fn internal_components(url: &Url) -> InternalComponents {
InternalComponents {
scheme_end: url.scheme_end,
username_end: url.username_end,
host_start: url.host_start,
host_end: url.host_end,
port: url.port,
path_start: url.path_start,
query_start: url.query_start,
fragment_start: url.fragment_start,
}
}
/// https://url.spec.whatwg.org/#dom-url-domaintoascii
pub fn domain_to_ascii(domain: &str) -> String {
match Host::parse(domain) {
Ok(Host::Domain(domain)) => domain,
_ => String::new(),
}
}
/// https://url.spec.whatwg.org/#dom-url-domaintounicode
pub fn domain_to_unicode(domain: &str) -> String {
match Host::parse(domain) {
Ok(Host::Domain(ref domain)) => {
let (unicode, _errors) = idna::domain_to_unicode(domain);
unicode
}
_ => String::new(),
}
}
/// Getter for https://url.spec.whatwg.org/#dom-url-href
pub fn href(url: &Url) -> &str {
url.as_str()
}
/// Setter for https://url.spec.whatwg.org/#dom-url-href
pub fn set_href(url: &mut Url, value: &str) -> Result<(), ParseError> {
*url = Url::parse(value)?;
Ok(())
}
/// Getter for https://url.spec.whatwg.org/#dom-url-origin
pub fn origin(url: &Url) -> String {
url.origin().ascii_serialization()
}
/// Getter for https://url.spec.whatwg.org/#dom-url-protocol
#[inline]
pub fn protocol(url: &Url) -> &str {
&url.as_str()[..url.scheme().len() + ":".len()]
}
/// Setter for https://url.spec.whatwg.org/#dom-url-protocol
#[allow(clippy::result_unit_err)]
pub fn set_protocol(url: &mut Url, mut new_protocol: &str) -> Result<(), ()> {
// The scheme state in the spec ignores everything after the first `:`,
// but `set_scheme` errors if there is more.
if let Some(position) = new_protocol.find(':') {
new_protocol = &new_protocol[..position];
}
url.set_scheme(new_protocol)
}
/// Getter for https://url.spec.whatwg.org/#dom-url-username
#[inline]
pub fn username(url: &Url) -> &str {
url.username()
}
/// Setter for https://url.spec.whatwg.org/#dom-url-username
#[allow(clippy::result_unit_err)]
pub fn set_username(url: &mut Url, new_username: &str) -> Result<(), ()> {
url.set_username(new_username)
}
/// Getter for https://url.spec.whatwg.org/#dom-url-password
#[inline]
pub fn password(url: &Url) -> &str {
url.password().unwrap_or("")
}
/// Setter for https://url.spec.whatwg.org/#dom-url-password
#[allow(clippy::result_unit_err)]
pub fn set_password(url: &mut Url, new_password: &str) -> Result<(), ()> {
url.set_password(if new_password.is_empty() {
None
} else {
Some(new_password)
})
}
/// Getter for https://url.spec.whatwg.org/#dom-url-host
#[inline]
pub fn host(url: &Url) -> &str {
&url[Position::BeforeHost..Position::AfterPort]
}
/// Setter for https://url.spec.whatwg.org/#dom-url-host
#[allow(clippy::result_unit_err)]
pub fn set_host(url: &mut Url, new_host: &str) -> Result<(), ()> {
// If context object’s url’s cannot-be-a-base-URL flag is set, then return.
if url.cannot_be_a_base() {
return Err(());
}
// Host parsing rules are strict,
// We don't want to trim the input
let input = Input::new_no_trim(new_host);
let host;
let opt_port;
{
let scheme = url.scheme();
let scheme_type = SchemeType::from(scheme);
if scheme_type == SchemeType::File && new_host.is_empty() {
url.set_host_internal(Host::Domain(String::new()), None);
return Ok(());
}
if let Ok((h, remaining)) = Parser::parse_host(input, scheme_type) {
host = h;
opt_port = if let Some(remaining) = remaining.split_prefix(':') {
if remaining.is_empty() {
None
} else {
Parser::parse_port(remaining, || default_port(scheme), Context::Setter)
.ok()
.map(|(port, _remaining)| port)
}
} else {
None
};
} else {
return Err(());
}
}
// Make sure we won't set an empty host to a url with a username or a port
if host == Host::Domain("".to_string())
&& (!username(url).is_empty() || matches!(opt_port, Some(Some(_))) || url.port().is_some())
{
return Err(());
}
url.set_host_internal(host, opt_port);
Ok(())
}
/// Getter for https://url.spec.whatwg.org/#dom-url-hostname
#[inline]
pub fn hostname(url: &Url) -> &str {
url.host_str().unwrap_or("")
}
/// Setter for https://url.spec.whatwg.org/#dom-url-hostname
#[allow(clippy::result_unit_err)]
pub fn set_hostname(url: &mut Url, new_hostname: &str) -> Result<(), ()> {
if url.cannot_be_a_base() {
return Err(());
}
// Host parsing rules are strict we don't want to trim the input
let input = Input::new_no_trim(new_hostname);
let scheme_type = SchemeType::from(url.scheme());
if scheme_type == SchemeType::File && new_hostname.is_empty() {
url.set_host_internal(Host::Domain(String::new()), None);
return Ok(());
}
if let Ok((host, _remaining)) = Parser::parse_host(input, scheme_type) {
if let Host::Domain(h) = &host {
if h.is_empty() {
// Empty host on special not file url
if SchemeType::from(url.scheme()) == SchemeType::SpecialNotFile
// Port with an empty host
||!port(url).is_empty()
// Empty host that includes credentials
|| !url.username().is_empty()
|| !url.password().unwrap_or("").is_empty()
{
return Err(());
}
}
}
url.set_host_internal(host, None);
Ok(())
} else {
Err(())
}
}
/// Getter for https://url.spec.whatwg.org/#dom-url-port
#[inline]
pub fn port(url: &Url) -> &str {
&url[Position::BeforePort..Position::AfterPort]
}
/// Setter for https://url.spec.whatwg.org/#dom-url-port
#[allow(clippy::result_unit_err)]
pub fn set_port(url: &mut Url, new_port: &str) -> Result<(), ()> {
let result;
{
// has_host implies !cannot_be_a_base
let scheme = url.scheme();
if !url.has_host() || url.host() == Some(Host::Domain("")) || scheme == "file" {
return Err(());
}
result = Parser::parse_port(
Input::new_no_trim(new_port),
|| default_port(scheme),
Context::Setter,
)
}
if let Ok((new_port, _remaining)) = result {
url.set_port_internal(new_port);
Ok(())
} else {
Err(())
}
}
/// Getter for https://url.spec.whatwg.org/#dom-url-pathname
#[inline]
pub fn pathname(url: &Url) -> &str {
url.path()
}
/// Setter for https://url.spec.whatwg.org/#dom-url-pathname
pub fn set_pathname(url: &mut Url, new_pathname: &str) {
if url.cannot_be_a_base() {
return;
}
if new_pathname.starts_with('/')
|| (SchemeType::from(url.scheme()).is_special()
// \ is a segment delimiter for 'special' URLs"
&& new_pathname.starts_with('\\'))
{
url.set_path(new_pathname)
} else {
let mut path_to_set = String::from("/");
path_to_set.push_str(new_pathname);
url.set_path(&path_to_set)
}
}
/// Getter for https://url.spec.whatwg.org/#dom-url-search
pub fn search(url: &Url) -> &str {
trim(&url[Position::AfterPath..Position::AfterQuery])
}
/// Setter for https://url.spec.whatwg.org/#dom-url-search
pub fn set_search(url: &mut Url, new_search: &str) {
url.set_query(match new_search {
"" => None,
_ if new_search.starts_with('?') => Some(&new_search[1..]),
_ => Some(new_search),
})
}
/// Getter for https://url.spec.whatwg.org/#dom-url-hash
pub fn hash(url: &Url) -> &str {
trim(&url[Position::AfterQuery..])
}
/// Setter for https://url.spec.whatwg.org/#dom-url-hash
pub fn set_hash(url: &mut Url, new_hash: &str) {
url.set_fragment(match new_hash {
// If the given value is the empty string,
// then set context object’s url’s fragment to null and return.
"" => None,
// Let input be the given value with a single leading U+0023 (#) removed, if any.
_ if new_hash.starts_with('#') => Some(&new_hash[1..]),
_ => Some(new_hash),
})
}
fn trim(s: &str) -> &str {
if s.len() == 1 {
""
} else {
s
}
}

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// Copyright 2016 The rust-url developers.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
use crate::Url;
use std::ops::{Index, Range, RangeFrom, RangeFull, RangeTo};
impl Index<RangeFull> for Url {
type Output = str;
fn index(&self, _: RangeFull) -> &str {
&self.serialization
}
}
impl Index<RangeFrom<Position>> for Url {
type Output = str;
fn index(&self, range: RangeFrom<Position>) -> &str {
&self.serialization[self.index(range.start)..]
}
}
impl Index<RangeTo<Position>> for Url {
type Output = str;
fn index(&self, range: RangeTo<Position>) -> &str {
&self.serialization[..self.index(range.end)]
}
}
impl Index<Range<Position>> for Url {
type Output = str;
fn index(&self, range: Range<Position>) -> &str {
&self.serialization[self.index(range.start)..self.index(range.end)]
}
}
// Counts how many base-10 digits are required to represent n in the given base
fn count_digits(n: u16) -> usize {
match n {
0..=9 => 1,
10..=99 => 2,
100..=999 => 3,
1000..=9999 => 4,
10000..=65535 => 5,
}
}
#[test]
fn test_count_digits() {
assert_eq!(count_digits(0), 1);
assert_eq!(count_digits(1), 1);
assert_eq!(count_digits(9), 1);
assert_eq!(count_digits(10), 2);
assert_eq!(count_digits(99), 2);
assert_eq!(count_digits(100), 3);
assert_eq!(count_digits(9999), 4);
assert_eq!(count_digits(65535), 5);
}
/// Indicates a position within a URL based on its components.
///
/// A range of positions can be used for slicing `Url`:
///
/// ```rust
/// # use url::{Url, Position};
/// # fn something(some_url: Url) {
/// let serialization: &str = &some_url[..];
/// let serialization_without_fragment: &str = &some_url[..Position::AfterQuery];
/// let authority: &str = &some_url[Position::BeforeUsername..Position::AfterPort];
/// let data_url_payload: &str = &some_url[Position::BeforePath..Position::AfterQuery];
/// let scheme_relative: &str = &some_url[Position::BeforeUsername..];
/// # }
/// ```
///
/// In a pseudo-grammar (where `[`…`]?` makes a sub-sequence optional),
/// URL components and delimiters that separate them are:
///
/// ```notrust
/// url =
/// scheme ":"
/// [ "//" [ username [ ":" password ]? "@" ]? host [ ":" port ]? ]?
/// path [ "?" query ]? [ "#" fragment ]?
/// ```
///
/// When a given component is not present,
/// its "before" and "after" position are the same
/// (so that `&some_url[BeforeFoo..AfterFoo]` is the empty string)
/// and component ordering is preserved
/// (so that a missing query "is between" a path and a fragment).
///
/// The end of a component and the start of the next are either the same or separate
/// by a delimiter.
/// (Note that the initial `/` of a path is considered part of the path here, not a delimiter.)
/// For example, `&url[..BeforeFragment]` would include a `#` delimiter (if present in `url`),
/// so `&url[..AfterQuery]` might be desired instead.
///
/// `BeforeScheme` and `AfterFragment` are always the start and end of the entire URL,
/// so `&url[BeforeScheme..X]` is the same as `&url[..X]`
/// and `&url[X..AfterFragment]` is the same as `&url[X..]`.
#[derive(Copy, Clone, Debug)]
pub enum Position {
BeforeScheme,
AfterScheme,
BeforeUsername,
AfterUsername,
BeforePassword,
AfterPassword,
BeforeHost,
AfterHost,
BeforePort,
AfterPort,
BeforePath,
AfterPath,
BeforeQuery,
AfterQuery,
BeforeFragment,
AfterFragment,
}
impl Url {
#[inline]
fn index(&self, position: Position) -> usize {
match position {
Position::BeforeScheme => 0,
Position::AfterScheme => self.scheme_end as usize,
Position::BeforeUsername => {
if self.has_authority() {
self.scheme_end as usize + "://".len()
} else {
debug_assert!(self.byte_at(self.scheme_end) == b':');
debug_assert!(self.scheme_end + ":".len() as u32 == self.username_end);
self.scheme_end as usize + ":".len()
}
}
Position::AfterUsername => self.username_end as usize,
Position::BeforePassword => {
if self.has_authority() && self.byte_at(self.username_end) == b':' {
self.username_end as usize + ":".len()
} else {
debug_assert!(self.username_end == self.host_start);
self.username_end as usize
}
}
Position::AfterPassword => {
if self.has_authority() && self.byte_at(self.username_end) == b':' {
debug_assert!(self.byte_at(self.host_start - "@".len() as u32) == b'@');
self.host_start as usize - "@".len()
} else {
debug_assert!(self.username_end == self.host_start);
self.host_start as usize
}
}
Position::BeforeHost => self.host_start as usize,
Position::AfterHost => self.host_end as usize,
Position::BeforePort => {
if self.port.is_some() {
debug_assert!(self.byte_at(self.host_end) == b':');
self.host_end as usize + ":".len()
} else {
self.host_end as usize
}
}
Position::AfterPort => {
if let Some(port) = self.port {
debug_assert!(self.byte_at(self.host_end) == b':');
self.host_end as usize + ":".len() + count_digits(port)
} else {
self.host_end as usize
}
}
Position::BeforePath => self.path_start as usize,
Position::AfterPath => match (self.query_start, self.fragment_start) {
(Some(q), _) => q as usize,
(None, Some(f)) => f as usize,
(None, None) => self.serialization.len(),
},
Position::BeforeQuery => match (self.query_start, self.fragment_start) {
(Some(q), _) => {
debug_assert!(self.byte_at(q) == b'?');
q as usize + "?".len()
}
(None, Some(f)) => f as usize,
(None, None) => self.serialization.len(),
},
Position::AfterQuery => match self.fragment_start {
None => self.serialization.len(),
Some(f) => f as usize,
},
Position::BeforeFragment => match self.fragment_start {
Some(f) => {
debug_assert!(self.byte_at(f) == b'#');
f as usize + "#".len()
}
None => self.serialization.len(),
},
Position::AfterFragment => self.serialization.len(),
}
}
}

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</> against <file://h/C:/a/b>
<file:\\\\//>
<file:\\\\\\\\>
<file:\\\\\\\\?fox>
<file:\\\\\\\\#guppy>
<file://spider///>
<file:\\\\localhost//>
<file://\\/localhost//cat>
<file://localhost//a//../..//>
</////mouse> against <file:///elephant>
<\\/localhost//pig> against <file://lion/>
<//localhost//pig> against <file://lion/>
</..//localhost//pig> against <file://lion/>
<C|> against <file://host/dir/file>
<C|> against <file://host/D:/dir1/dir2/file>
<C|#> against <file://host/dir/file>
<C|?> against <file://host/dir/file>
<C|/> against <file://host/dir/file>
<C|\n/> against <file://host/dir/file>
<C|\\> against <file://host/dir/file>
</c:/foo/bar> against <file://host/path>
<file://example.net/C:/>
<file://1.2.3.4/C:/>
<file://[1::8]/C:/>
<C|/> against <file://host/>
</C:/> against <file://host/>
<file:C:/> against <file://host/>
<file:/C:/> against <file://host/>
<file://localhost//a//../..//foo>
<file://localhost////foo>
<file:////foo>
<file:////one/two> against <file:///>
<////one/two> against <file:///>
<file:///.//> against <file:////>
<file:.//p>
<file:/.//p>
<http://example.net/path> set hostname to <example.com:8080>
<http://example.net:8080/path> set hostname to <example.com:>
<non-spec:/.//p> set hostname to <h>
<non-spec:/.//p> set hostname to <>
<foo://somehost/some/path> set pathname to <>
<foo:///some/path> set pathname to <>
<http://example.net:8080/path> set port to <randomstring>
<file:///var/log/system.log> set href to <http://0300.168.0xF0>
<file://monkey/> set pathname to <\\\\>
<file:///unicorn> set pathname to <//\\/>
<file:///unicorn> set pathname to <//monkey/..//>
<non-spec:/> set pathname to </.//p>
<non-spec:/> set pathname to </..//p>
<non-spec:/> set pathname to <//p>
<non-spec:/.//> set pathname to <p>

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// Copyright 2013-2014 The rust-url developers.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
//! Data-driven tests imported from web-platform-tests
use std::collections::HashMap;
use std::fmt::Write;
use std::panic;
use serde_json::Value;
use url::Url;
#[derive(Debug, serde::Deserialize)]
struct UrlTest {
input: String,
base: Option<String>,
#[serde(flatten)]
result: UrlTestResult,
}
#[derive(Debug, serde::Deserialize)]
#[serde(untagged)]
#[allow(clippy::large_enum_variant)]
enum UrlTestResult {
Ok(UrlTestOk),
Fail(UrlTestFail),
}
#[derive(Debug, serde::Deserialize)]
struct UrlTestOk {
href: String,
protocol: String,
username: String,
password: String,
host: String,
hostname: String,
port: String,
pathname: String,
search: String,
hash: String,
}
#[derive(Debug, serde::Deserialize)]
struct UrlTestFail {
failure: bool,
}
#[derive(Debug, serde::Deserialize)]
struct SetterTest {
href: String,
new_value: String,
expected: SetterTestExpected,
}
#[derive(Debug, serde::Deserialize)]
struct SetterTestExpected {
href: Option<String>,
protocol: Option<String>,
username: Option<String>,
password: Option<String>,
host: Option<String>,
hostname: Option<String>,
port: Option<String>,
pathname: Option<String>,
search: Option<String>,
hash: Option<String>,
}
fn main() {
let mut filter = None;
let mut args = std::env::args().skip(1);
while filter.is_none() {
if let Some(arg) = args.next() {
if arg == "--test-threads" {
args.next();
continue;
}
filter = Some(arg);
} else {
break;
}
}
let mut expected_failures = include_str!("expected_failures.txt")
.lines()
.collect::<Vec<_>>();
let mut errors = vec![];
// Copied from https://github.com/web-platform-tests/wpt/blob/master/url/
let url_json: Vec<Value> = serde_json::from_str(include_str!("urltestdata.json"))
.expect("JSON parse error in urltestdata.json");
let url_tests = url_json
.into_iter()
.filter(|val| val.is_object())
.map(|val| serde_json::from_value::<UrlTest>(val).expect("parsing failed"))
.collect::<Vec<_>>();
let setter_json: HashMap<String, Value> =
serde_json::from_str(include_str!("setters_tests.json"))
.expect("JSON parse error in setters_tests.json");
let setter_tests = setter_json
.into_iter()
.filter(|(k, _)| k != "comment")
.map(|(k, v)| {
let test = serde_json::from_value::<Vec<SetterTest>>(v).expect("parsing failed");
(k, test)
})
.collect::<HashMap<_, _>>();
for url_test in url_tests {
let mut name = format!("<{}>", url_test.input.escape_default());
if let Some(base) = &url_test.base {
write!(&mut name, " against <{}>", base.escape_default()).unwrap();
}
if should_skip(&name, filter.as_deref()) {
continue;
}
print!("{} ... ", name);
let res = run_url_test(url_test);
report(name, res, &mut errors, &mut expected_failures);
}
for (kind, tests) in setter_tests {
for test in tests {
let name = format!(
"<{}> set {} to <{}>",
test.href.escape_default(),
kind,
test.new_value.escape_default()
);
if should_skip(&name, filter.as_deref()) {
continue;
}
print!("{} ... ", name);
let res = run_setter_test(&kind, test);
report(name, res, &mut errors, &mut expected_failures);
}
}
println!();
println!("====================");
println!();
if !errors.is_empty() {
println!("errors:");
println!();
for (name, err) in errors {
println!(" name: {}", name);
println!(" err: {}", err);
println!();
}
std::process::exit(1);
} else {
println!("all tests passed");
}
if !expected_failures.is_empty() && filter.is_none() {
println!();
println!("====================");
println!();
println!("tests were expected to fail but did not run:");
println!();
for name in expected_failures {
println!(" {}", name);
}
println!();
println!("if these tests were removed, update expected_failures.txt");
println!();
std::process::exit(1);
}
}
fn should_skip(name: &str, filter: Option<&str>) -> bool {
match filter {
Some(filter) => !name.contains(filter),
None => false,
}
}
fn report(
name: String,
res: Result<(), String>,
errors: &mut Vec<(String, String)>,
expected_failures: &mut Vec<&str>,
) {
let expected_failure = expected_failures.contains(&&*name);
expected_failures.retain(|&s| s != &*name);
match res {
Ok(()) => {
if expected_failure {
println!("🟠 (unexpected success)");
errors.push((name, "unexpected success".to_string()));
} else {
println!("✅");
}
}
Err(err) => {
if expected_failure {
println!("✅ (expected fail)");
} else {
println!("❌");
errors.push((name, err));
}
}
}
}
fn run_url_test(
UrlTest {
base,
input,
result,
}: UrlTest,
) -> Result<(), String> {
let base = match base {
Some(base) => {
let base = panic::catch_unwind(|| Url::parse(&base))
.map_err(|_| "panicked while parsing base".to_string())?
.map_err(|e| format!("errored while parsing base: {}", e))?;
Some(base)
}
None => None,
};
let res = panic::catch_unwind(move || Url::options().base_url(base.as_ref()).parse(&input))
.map_err(|_| "panicked while parsing input".to_string())?
.map_err(|e| format!("errored while parsing input: {}", e));
match result {
UrlTestResult::Ok(ok) => check_url_ok(res, ok),
UrlTestResult::Fail(fail) => {
assert!(fail.failure);
if res.is_ok() {
return Err("expected failure, but parsed successfully".to_string());
}
Ok(())
}
}
}
fn check_url_ok(res: Result<Url, String>, ok: UrlTestOk) -> Result<(), String> {
let url = match res {
Ok(url) => url,
Err(err) => {
return Err(format!("expected success, but errored: {:?}", err));
}
};
let href = url::quirks::href(&url);
if href != ok.href {
return Err(format!("expected href {:?}, but got {:?}", ok.href, href));
}
let protocol = url::quirks::protocol(&url);
if protocol != ok.protocol {
return Err(format!(
"expected protocol {:?}, but got {:?}",
ok.protocol, protocol
));
}
let username = url::quirks::username(&url);
if username != ok.username {
return Err(format!(
"expected username {:?}, but got {:?}",
ok.username, username
));
}
let password = url::quirks::password(&url);
if password != ok.password {
return Err(format!(
"expected password {:?}, but got {:?}",
ok.password, password
));
}
let host = url::quirks::host(&url);
if host != ok.host {
return Err(format!("expected host {:?}, but got {:?}", ok.host, host));
}
let hostname = url::quirks::hostname(&url);
if hostname != ok.hostname {
return Err(format!(
"expected hostname {:?}, but got {:?}",
ok.hostname, hostname
));
}
let port = url::quirks::port(&url);
if port != ok.port {
return Err(format!("expected port {:?}, but got {:?}", ok.port, port));
}
let pathname = url::quirks::pathname(&url);
if pathname != ok.pathname {
return Err(format!(
"expected pathname {:?}, but got {:?}",
ok.pathname, pathname
));
}
let search = url::quirks::search(&url);
if search != ok.search {
return Err(format!(
"expected search {:?}, but got {:?}",
ok.search, search
));
}
let hash = url::quirks::hash(&url);
if hash != ok.hash {
return Err(format!("expected hash {:?}, but got {:?}", ok.hash, hash));
}
Ok(())
}
fn run_setter_test(
kind: &str,
SetterTest {
href,
new_value,
expected,
}: SetterTest,
) -> Result<(), String> {
let mut url = panic::catch_unwind(|| Url::parse(&href))
.map_err(|_| "panicked while parsing href".to_string())?
.map_err(|e| format!("errored while parsing href: {}", e))?;
let url = panic::catch_unwind(move || {
match kind {
"protocol" => {
url::quirks::set_protocol(&mut url, &new_value).ok();
}
"username" => {
url::quirks::set_username(&mut url, &new_value).ok();
}
"password" => {
url::quirks::set_password(&mut url, &new_value).ok();
}
"host" => {
url::quirks::set_host(&mut url, &new_value).ok();
}
"hostname" => {
url::quirks::set_hostname(&mut url, &new_value).ok();
}
"port" => {
url::quirks::set_port(&mut url, &new_value).ok();
}
"pathname" => url::quirks::set_pathname(&mut url, &new_value),
"search" => url::quirks::set_search(&mut url, &new_value),
"hash" => url::quirks::set_hash(&mut url, &new_value),
_ => panic!("unknown setter kind: {:?}", kind),
};
url
})
.map_err(|_| "panicked while setting value".to_string())?;
if let Some(expected_href) = expected.href {
let href = url::quirks::href(&url);
if href != expected_href {
return Err(format!(
"expected href {:?}, but got {:?}",
expected_href, href
));
}
}
if let Some(expected_protocol) = expected.protocol {
let protocol = url::quirks::protocol(&url);
if protocol != expected_protocol {
return Err(format!(
"expected protocol {:?}, but got {:?}",
expected_protocol, protocol
));
}
}
if let Some(expected_username) = expected.username {
let username = url::quirks::username(&url);
if username != expected_username {
return Err(format!(
"expected username {:?}, but got {:?}",
expected_username, username
));
}
}
if let Some(expected_password) = expected.password {
let password = url::quirks::password(&url);
if password != expected_password {
return Err(format!(
"expected password {:?}, but got {:?}",
expected_password, password
));
}
}
if let Some(expected_host) = expected.host {
let host = url::quirks::host(&url);
if host != expected_host {
return Err(format!(
"expected host {:?}, but got {:?}",
expected_host, host
));
}
}
if let Some(expected_hostname) = expected.hostname {
let hostname = url::quirks::hostname(&url);
if hostname != expected_hostname {
return Err(format!(
"expected hostname {:?}, but got {:?}",
expected_hostname, hostname
));
}
}
if let Some(expected_port) = expected.port {
let port = url::quirks::port(&url);
if port != expected_port {
return Err(format!(
"expected port {:?}, but got {:?}",
expected_port, port
));
}
}
if let Some(expected_pathname) = expected.pathname {
let pathname = url::quirks::pathname(&url);
if pathname != expected_pathname {
return Err(format!(
"expected pathname {:?}, but got {:?}",
expected_pathname, pathname
));
}
}
if let Some(expected_search) = expected.search {
let search = url::quirks::search(&url);
if search != expected_search {
return Err(format!(
"expected search {:?}, but got {:?}",
expected_search, search
));
}
}
if let Some(expected_hash) = expected.hash {
let hash = url::quirks::hash(&url);
if hash != expected_hash {
return Err(format!(
"expected hash {:?}, but got {:?}",
expected_hash, hash
));
}
}
Ok(())
}