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use std::borrow::Cow;
use std::fmt;
use std::str::FromStr;
use std::time::SystemTime;
use serde::{Deserialize, Serialize};
use thiserror::Error;
use url::form_urlencoded;
use crate::dsn::Dsn;
use crate::protocol;
use crate::utils::{datetime_to_timestamp, timestamp_to_datetime};
#[derive(Debug, Error, Copy, Clone, Eq, PartialEq)]
pub enum ParseAuthError {
#[error("non sentry auth")]
NonSentryAuth,
#[error("invalid value for version")]
InvalidVersion,
#[error("missing public key in auth header")]
MissingPublicKey,
}
#[derive(Debug, Serialize, Deserialize, Clone)]
pub struct Auth {
#[serde(skip)]
timestamp: Option<SystemTime>,
#[serde(rename = "sentry_client")]
client: Option<String>,
#[serde(rename = "sentry_version")]
version: u16,
#[serde(rename = "sentry_key")]
key: String,
#[serde(rename = "sentry_secret")]
secret: Option<String>,
}
impl Auth {
pub fn from_pairs<'a, I, K, V>(pairs: I) -> Result<Auth, ParseAuthError>
where
I: IntoIterator<Item = (K, V)>,
K: AsRef<str>,
V: Into<Cow<'a, str>>,
{
let mut rv = Auth {
timestamp: None,
client: None,
version: protocol::LATEST,
key: "".into(),
secret: None,
};
for (key, value) in pairs {
let value = value.into();
match key.as_ref() {
"sentry_timestamp" => {
let timestamp = value.parse().ok().and_then(timestamp_to_datetime);
rv.timestamp = timestamp;
}
"sentry_client" => {
rv.client = Some(value.into());
}
"sentry_version" => {
rv.version = value
.split('.')
.next()
.and_then(|v| v.parse().ok())
.ok_or(ParseAuthError::InvalidVersion)?;
}
"sentry_key" => {
rv.key = value.into();
}
"sentry_secret" => {
rv.secret = Some(value.into());
}
_ => {}
}
}
if rv.key.is_empty() {
return Err(ParseAuthError::MissingPublicKey);
}
Ok(rv)
}
pub fn from_querystring(qs: &[u8]) -> Result<Auth, ParseAuthError> {
Auth::from_pairs(form_urlencoded::parse(qs))
}
pub fn timestamp(&self) -> Option<SystemTime> {
self.timestamp
}
pub fn version(&self) -> u16 {
self.version
}
pub fn public_key(&self) -> &str {
&self.key
}
pub fn secret_key(&self) -> Option<&str> {
self.secret.as_deref()
}
pub fn is_public(&self) -> bool {
self.secret.is_none()
}
pub fn client_agent(&self) -> Option<&str> {
self.client.as_deref()
}
}
impl fmt::Display for Auth {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(
f,
"Sentry sentry_key={}, sentry_version={}",
self.key, self.version
)?;
if let Some(ts) = self.timestamp {
write!(f, ", sentry_timestamp={}", datetime_to_timestamp(&ts))?;
}
if let Some(ref client) = self.client {
write!(f, ", sentry_client={}", client)?;
}
if let Some(ref secret) = self.secret {
write!(f, ", sentry_secret={}", secret)?;
}
Ok(())
}
}
impl FromStr for Auth {
type Err = ParseAuthError;
fn from_str(s: &str) -> Result<Auth, ParseAuthError> {
let mut base_iter = s.splitn(2, ' ');
let prefix = base_iter.next().unwrap_or("");
let items = base_iter.next().unwrap_or("");
if !prefix.eq_ignore_ascii_case("sentry") {
return Err(ParseAuthError::NonSentryAuth);
}
let auth = Self::from_pairs(items.split(',').filter_map(|item| {
let mut kviter = item.split('=');
Some((kviter.next()?.trim(), kviter.next()?.trim()))
}))?;
if auth.key.is_empty() {
return Err(ParseAuthError::MissingPublicKey);
}
Ok(auth)
}
}
pub(crate) fn auth_from_dsn_and_client(dsn: &Dsn, client: Option<&str>) -> Auth {
Auth {
timestamp: Some(SystemTime::now()),
client: client.map(|x| x.to_string()),
version: protocol::LATEST,
key: dsn.public_key().to_string(),
secret: dsn.secret_key().map(|x| x.to_string()),
}
}