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Copy pathparse.rs
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174 lines (136 loc) · 5.2 KB
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use std::borrow::Cow;
use std::str::FromStr;
use percent_encoding::percent_decode_str;
use sqlx_core::Error;
use url::Url;
use crate::PgConnectOptions;
impl FromStr for PgConnectOptions {
type Err = Error;
fn from_str(s: &str) -> Result<Self, Self::Err> {
let url: Url = s.parse().map_err(|error| Error::opt("for database URL", error))?;
if !matches!(url.scheme(), "postgres" | "postgresql") {
return Err(Error::opt_msg(format!(
"unsupported URL scheme {:?} for Postgres",
url.scheme()
)));
}
let mut options = Self::new();
if let Some(host) = url.host_str() {
options.host(percent_decode_str_utf8(host));
}
if let Some(port) = url.port() {
options.port(port);
}
let username = url.username();
if !username.is_empty() {
options.username(percent_decode_str_utf8(username));
}
if let Some(password) = url.password() {
options.password(percent_decode_str_utf8(password));
}
let mut path = url.path();
if path.starts_with('/') {
path = &path[1..];
}
if !path.is_empty() {
options.database(path);
}
for (key, value) in url.query_pairs() {
match &*key {
"host" | "hostaddr" => {
options.host(value);
}
"port" => {
options.port(value.parse().map_err(|err| Error::opt("for port", err))?);
}
"user" | "username" => {
options.username(value);
}
"password" => {
options.password(value);
}
"ssl-mode" | "sslmode" | "sslMode" | "tls" => {
todo!()
}
"socket" => {
options.socket(&*value);
}
"application_name" => {
options.application_name(&*value);
}
_ => {
// ignore unknown connection parameters
// fixme: should we error or warn here?
}
}
}
Ok(options)
}
}
fn percent_decode_str_utf8(value: &str) -> Cow<'_, str> {
percent_decode_str(value).decode_utf8_lossy()
}
#[cfg(test)]
mod tests {
use std::path::Path;
use super::PgConnectOptions;
#[test]
fn parse() {
let url = "postgresql://user:password@hostname:8915/database?application_name=sqlx";
let options: PgConnectOptions = url.parse().unwrap();
assert_eq!(options.get_username(), Some("user"));
assert_eq!(options.get_password(), Some("password"));
assert_eq!(options.get_host(), "hostname");
assert_eq!(options.get_port(), 8915);
assert_eq!(options.get_database(), Some("database"));
assert_eq!(options.get_application_name(), Some("sqlx"));
}
#[test]
fn parse_with_defaults() {
let url = "postgres://";
let options: PgConnectOptions = url.parse().unwrap();
assert_eq!(options.get_username(), None);
assert_eq!(options.get_password(), None);
assert_eq!(options.get_host(), "localhost");
assert_eq!(options.get_port(), 5432);
assert_eq!(options.get_database(), None);
assert_eq!(options.get_application_name(), None);
}
#[test]
fn parse_socket_from_query() {
let url = "postgresql://user:password@localhost/database?socket=/var/run/postgresql.sock";
let options: PgConnectOptions = url.parse().unwrap();
assert_eq!(options.get_username(), Some("user"));
assert_eq!(options.get_password(), Some("password"));
assert_eq!(options.get_database(), Some("database"));
assert_eq!(options.get_socket(), Some(Path::new("/var/run/postgresql.sock")));
}
#[test]
fn parse_socket_from_host() {
// socket path in host requires URL encoding - but does work
let url = "postgres://user:password@%2Fvar%2Frun%2Fpostgres%2Fpostgres.sock/database";
let options: PgConnectOptions = url.parse().unwrap();
assert_eq!(options.get_username(), Some("user"));
assert_eq!(options.get_password(), Some("password"));
assert_eq!(options.get_database(), Some("database"));
assert_eq!(options.get_socket(), Some(Path::new("/var/run/postgres/postgres.sock")));
}
#[test]
#[should_panic]
fn fail_to_parse_non_postgres() {
let url = "mysql://user:password@hostname:5432/database?timezone=system&charset=utf8";
let _: PgConnectOptions = url.parse().unwrap();
}
#[test]
fn parse_username_with_at_sign() {
let url = "postgres://user@hostname:password@hostname:5432/database";
let options: PgConnectOptions = url.parse().unwrap();
assert_eq!(options.get_username(), Some("user@hostname"));
}
#[test]
fn parse_password_with_non_ascii_chars() {
let url = "postgres://username:p@ssw0rd@hostname:5432/database";
let options: PgConnectOptions = url.parse().unwrap();
assert_eq!(options.get_password(), Some("p@ssw0rd"));
}
}