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Merge remote-tracking branch 'origin/rcc/api' into dev/rust

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# Conflicts:
#	rust/crates/rusty-claude-cli/src/main.rs
This commit is contained in:
Yeachan-Heo
2026-03-31 23:41:08 +00:00
parent 842abcfe85 32e89df631
commit c139fe9bee
12 changed files with 755 additions and 27 deletions
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1
rust/crates/api/Cargo.toml
View File

@@ -7,6 +7,7 @@ publish.workspace = true
[dependencies]
reqwest = { version = "0.12", default-features = false, features = ["json", "rustls-tls"] }
runtime = { path = "../runtime" }
serde = { version = "1", features = ["derive"] }
serde_json = "1"
tokio = { version = "1", features = ["io-util", "macros", "net", "rt-multi-thread", "time"] }

274
rust/crates/api/src/client.rs
View File

@@ -1,6 +1,10 @@
use std::collections::VecDeque;
use std::time::Duration;
use std::time::{Duration, SystemTime, UNIX_EPOCH};
use runtime::{
load_oauth_credentials, save_oauth_credentials, OAuthConfig, OAuthRefreshRequest,
OAuthTokenExchangeRequest,
};
use serde::Deserialize;
use crate::error::ApiError;
@@ -81,11 +85,12 @@ impl AuthSource {
}
}
#[derive(Debug, Clone, PartialEq, Eq)]
#[derive(Debug, Clone, PartialEq, Eq, Deserialize)]
pub struct OAuthTokenSet {
pub access_token: String,
pub refresh_token: Option<String>,
pub expires_at: Option<u64>,
#[serde(default)]
pub scopes: Vec<String>,
}
@@ -131,7 +136,7 @@ impl AnthropicClient {
}
pub fn from_env() -> Result<Self, ApiError> {
Ok(Self::from_auth(AuthSource::from_env()?).with_base_url(read_base_url()))
Ok(Self::from_auth(AuthSource::from_env_or_saved()?).with_base_url(read_base_url()))
}
#[must_use]
@@ -225,6 +230,46 @@ impl AnthropicClient {
})
}
pub async fn exchange_oauth_code(
&self,
config: &OAuthConfig,
request: &OAuthTokenExchangeRequest,
) -> Result<OAuthTokenSet, ApiError> {
let response = self
.http
.post(&config.token_url)
.header("content-type", "application/x-www-form-urlencoded")
.form(&request.form_params())
.send()
.await
.map_err(ApiError::from)?;
let response = expect_success(response).await?;
response
.json::<OAuthTokenSet>()
.await
.map_err(ApiError::from)
}
pub async fn refresh_oauth_token(
&self,
config: &OAuthConfig,
request: &OAuthRefreshRequest,
) -> Result<OAuthTokenSet, ApiError> {
let response = self
.http
.post(&config.token_url)
.header("content-type", "application/x-www-form-urlencoded")
.form(&request.form_params())
.send()
.await
.map_err(ApiError::from)?;
let response = expect_success(response).await?;
response
.json::<OAuthTokenSet>()
.await
.map_err(ApiError::from)
}
async fn send_with_retry(
&self,
request: &MessageRequest,
@@ -304,6 +349,99 @@ impl AnthropicClient {
}
}
impl AuthSource {
pub fn from_env_or_saved() -> Result<Self, ApiError> {
if let Some(api_key) = read_env_non_empty("ANTHROPIC_API_KEY")? {
return match read_env_non_empty("ANTHROPIC_AUTH_TOKEN")? {
Some(bearer_token) => Ok(Self::ApiKeyAndBearer {
api_key,
bearer_token,
}),
None => Ok(Self::ApiKey(api_key)),
};
}
if let Some(bearer_token) = read_env_non_empty("ANTHROPIC_AUTH_TOKEN")? {
return Ok(Self::BearerToken(bearer_token));
}
match load_saved_oauth_token() {
Ok(Some(token_set)) if oauth_token_is_expired(&token_set) => {
if token_set.refresh_token.is_some() {
Err(ApiError::Auth(
"saved OAuth token is expired; load runtime OAuth config to refresh it"
.to_string(),
))
} else {
Err(ApiError::ExpiredOAuthToken)
}
}
Ok(Some(token_set)) => Ok(Self::BearerToken(token_set.access_token)),
Ok(None) => Err(ApiError::MissingApiKey),
Err(error) => Err(error),
}
}
}
#[must_use]
pub fn oauth_token_is_expired(token_set: &OAuthTokenSet) -> bool {
token_set
.expires_at
.is_some_and(|expires_at| expires_at <= now_unix_timestamp())
}
pub fn resolve_saved_oauth_token(config: &OAuthConfig) -> Result<Option<OAuthTokenSet>, ApiError> {
let Some(token_set) = load_saved_oauth_token()? else {
return Ok(None);
};
if !oauth_token_is_expired(&token_set) {
return Ok(Some(token_set));
}
let Some(refresh_token) = token_set.refresh_token.clone() else {
return Err(ApiError::ExpiredOAuthToken);
};
let client = AnthropicClient::from_auth(AuthSource::None).with_base_url(read_base_url());
let refreshed = client_runtime_block_on(async {
client
.refresh_oauth_token(
config,
&OAuthRefreshRequest::from_config(config, refresh_token, Some(token_set.scopes)),
)
.await
})?;
save_oauth_credentials(&runtime::OAuthTokenSet {
access_token: refreshed.access_token.clone(),
refresh_token: refreshed.refresh_token.clone(),
expires_at: refreshed.expires_at,
scopes: refreshed.scopes.clone(),
})
.map_err(ApiError::from)?;
Ok(Some(refreshed))
}
fn client_runtime_block_on<F, T>(future: F) -> Result<T, ApiError>
where
F: std::future::Future<Output = Result<T, ApiError>>,
{
tokio::runtime::Runtime::new()
.map_err(ApiError::from)?
.block_on(future)
}
fn load_saved_oauth_token() -> Result<Option<OAuthTokenSet>, ApiError> {
let token_set = load_oauth_credentials().map_err(ApiError::from)?;
Ok(token_set.map(|token_set| OAuthTokenSet {
access_token: token_set.access_token,
refresh_token: token_set.refresh_token,
expires_at: token_set.expires_at,
scopes: token_set.scopes,
}))
}
fn now_unix_timestamp() -> u64 {
SystemTime::now()
.duration_since(UNIX_EPOCH)
.map_or(0, |duration| duration.as_secs())
}
fn read_env_non_empty(key: &str) -> Result<Option<String>, ApiError> {
match std::env::var(key) {
Ok(value) if !value.is_empty() => Ok(Some(value)),
@@ -314,7 +452,7 @@ fn read_env_non_empty(key: &str) -> Result<Option<String>, ApiError> {
#[cfg(test)]
fn read_api_key() -> Result<String, ApiError> {
let auth = AuthSource::from_env()?;
let auth = AuthSource::from_env_or_saved()?;
auth.api_key()
.or_else(|| auth.bearer_token())
.map(ToOwned::to_owned)
@@ -424,10 +562,18 @@ struct AnthropicErrorBody {
#[cfg(test)]
mod tests {
use super::{ALT_REQUEST_ID_HEADER, REQUEST_ID_HEADER};
use std::io::{Read, Write};
use std::net::TcpListener;
use std::sync::{Mutex, OnceLock};
use std::time::Duration;
use std::thread;
use std::time::{Duration, SystemTime, UNIX_EPOCH};
use crate::client::{AuthSource, OAuthTokenSet};
use runtime::{clear_oauth_credentials, save_oauth_credentials, OAuthConfig};
use crate::client::{
now_unix_timestamp, oauth_token_is_expired, resolve_saved_oauth_token, AnthropicClient,
AuthSource, OAuthTokenSet,
};
use crate::types::{ContentBlockDelta, MessageRequest};
fn env_lock() -> std::sync::MutexGuard<'static, ()> {
@@ -437,11 +583,53 @@ mod tests {
.expect("env lock")
}
fn temp_config_home() -> std::path::PathBuf {
std::env::temp_dir().join(format!(
"api-oauth-test-{}-{}",
std::process::id(),
SystemTime::now()
.duration_since(UNIX_EPOCH)
.expect("time")
.as_nanos()
))
}
fn sample_oauth_config(token_url: String) -> OAuthConfig {
OAuthConfig {
client_id: "runtime-client".to_string(),
authorize_url: "https://console.test/oauth/authorize".to_string(),
token_url,
callback_port: Some(4545),
manual_redirect_url: Some("https://console.test/oauth/callback".to_string()),
scopes: vec!["org:read".to_string(), "user:write".to_string()],
}
}
fn spawn_token_server(response_body: &'static str) -> String {
let listener = TcpListener::bind("127.0.0.1:0").expect("bind listener");
let address = listener.local_addr().expect("local addr");
thread::spawn(move || {
let (mut stream, _) = listener.accept().expect("accept connection");
let mut buffer = [0_u8; 4096];
let _ = stream.read(&mut buffer).expect("read request");
let response = format!(
"HTTP/1.1 200 OK\r\ncontent-type: application/json\r\ncontent-length: {}\r\n\r\n{}",
response_body.len(),
response_body
);
stream
.write_all(response.as_bytes())
.expect("write response");
});
format!("http://{address}/oauth/token")
}
#[test]
fn read_api_key_requires_presence() {
let _guard = env_lock();
std::env::remove_var("ANTHROPIC_AUTH_TOKEN");
std::env::remove_var("ANTHROPIC_API_KEY");
std::env::remove_var("CLAUDE_CONFIG_HOME");
let error = super::read_api_key().expect_err("missing key should error");
assert!(matches!(error, crate::error::ApiError::MissingApiKey));
}
@@ -453,6 +641,7 @@ mod tests {
std::env::remove_var("ANTHROPIC_API_KEY");
let error = super::read_api_key().expect_err("empty key should error");
assert!(matches!(error, crate::error::ApiError::MissingApiKey));
std::env::remove_var("ANTHROPIC_AUTH_TOKEN");
}
#[test]
@@ -500,6 +689,77 @@ mod tests {
std::env::remove_var("ANTHROPIC_API_KEY");
}
#[test]
fn auth_source_from_saved_oauth_when_env_absent() {
let _guard = env_lock();
let config_home = temp_config_home();
std::env::set_var("CLAUDE_CONFIG_HOME", &config_home);
std::env::remove_var("ANTHROPIC_AUTH_TOKEN");
std::env::remove_var("ANTHROPIC_API_KEY");
save_oauth_credentials(&runtime::OAuthTokenSet {
access_token: "saved-access-token".to_string(),
refresh_token: Some("refresh".to_string()),
expires_at: Some(now_unix_timestamp() + 300),
scopes: vec!["scope:a".to_string()],
})
.expect("save oauth credentials");
let auth = AuthSource::from_env_or_saved().expect("saved auth");
assert_eq!(auth.bearer_token(), Some("saved-access-token"));
clear_oauth_credentials().expect("clear credentials");
std::env::remove_var("CLAUDE_CONFIG_HOME");
std::fs::remove_dir_all(config_home).expect("cleanup temp dir");
}
#[test]
fn oauth_token_expiry_uses_expires_at_timestamp() {
assert!(oauth_token_is_expired(&OAuthTokenSet {
access_token: "access-token".to_string(),
refresh_token: None,
expires_at: Some(1),
scopes: Vec::new(),
}));
assert!(!oauth_token_is_expired(&OAuthTokenSet {
access_token: "access-token".to_string(),
refresh_token: None,
expires_at: Some(now_unix_timestamp() + 60),
scopes: Vec::new(),
}));
}
#[test]
fn resolve_saved_oauth_token_refreshes_expired_credentials() {
let _guard = env_lock();
let config_home = temp_config_home();
std::env::set_var("CLAUDE_CONFIG_HOME", &config_home);
std::env::remove_var("ANTHROPIC_AUTH_TOKEN");
std::env::remove_var("ANTHROPIC_API_KEY");
save_oauth_credentials(&runtime::OAuthTokenSet {
access_token: "expired-access-token".to_string(),
refresh_token: Some("refresh-token".to_string()),
expires_at: Some(1),
scopes: vec!["scope:a".to_string()],
})
.expect("save expired oauth credentials");
let token_url = spawn_token_server(
"{\"access_token\":\"refreshed-token\",\"refresh_token\":\"fresh-refresh\",\"expires_at\":9999999999,\"scopes\":[\"scope:a\"]}",
);
let resolved = resolve_saved_oauth_token(&sample_oauth_config(token_url))
.expect("resolve refreshed token")
.expect("token set present");
assert_eq!(resolved.access_token, "refreshed-token");
let stored = runtime::load_oauth_credentials()
.expect("load stored credentials")
.expect("stored token set");
assert_eq!(stored.access_token, "refreshed-token");
clear_oauth_credentials().expect("clear credentials");
std::env::remove_var("CLAUDE_CONFIG_HOME");
std::fs::remove_dir_all(config_home).expect("cleanup temp dir");
}
#[test]
fn message_request_stream_helper_sets_stream_true() {
let request = MessageRequest {
@@ -517,7 +777,7 @@ mod tests {
#[test]
fn backoff_doubles_until_maximum() {
let client = super::AnthropicClient::new("test-key").with_retry_policy(
let client = AnthropicClient::new("test-key").with_retry_policy(
3,
Duration::from_millis(10),
Duration::from_millis(25),

11
rust/crates/api/src/error.rs
View File

@@ -5,6 +5,8 @@ use std::time::Duration;
#[derive(Debug)]
pub enum ApiError {
MissingApiKey,
ExpiredOAuthToken,
Auth(String),
InvalidApiKeyEnv(VarError),
Http(reqwest::Error),
Io(std::io::Error),
@@ -35,6 +37,8 @@ impl ApiError {
Self::Api { retryable, .. } => *retryable,
Self::RetriesExhausted { last_error, .. } => last_error.is_retryable(),
Self::MissingApiKey
| Self::ExpiredOAuthToken
| Self::Auth(_)
| Self::InvalidApiKeyEnv(_)
| Self::Io(_)
| Self::Json(_)
@@ -53,6 +57,13 @@ impl Display for ApiError {
"ANTHROPIC_AUTH_TOKEN or ANTHROPIC_API_KEY is not set; export one before calling the Anthropic API"
)
}
Self::ExpiredOAuthToken => {
write!(
f,
"saved OAuth token is expired and no refresh token is available"
)
}
Self::Auth(message) => write!(f, "auth error: {message}"),
Self::InvalidApiKeyEnv(error) => {
write!(
f,

5
rust/crates/api/src/lib.rs
View File

@@ -3,7 +3,10 @@ mod error;
mod sse;
mod types;
pub use client::{AnthropicClient, AuthSource, MessageStream, OAuthTokenSet};
pub use client::{
oauth_token_is_expired, resolve_saved_oauth_token, AnthropicClient, AuthSource, MessageStream,
OAuthTokenSet,
};
pub use error::ApiError;
pub use sse::{parse_frame, SseParser};
pub use types::{

6
rust/crates/runtime/src/lib.rs
View File

@@ -53,8 +53,10 @@ pub use mcp_stdio::{
McpToolCallContent, McpToolCallParams, McpToolCallResult, UnsupportedMcpServer,
};
pub use oauth::{
code_challenge_s256, generate_pkce_pair, generate_state, loopback_redirect_uri,
OAuthAuthorizationRequest, OAuthRefreshRequest, OAuthTokenExchangeRequest, OAuthTokenSet,
clear_oauth_credentials, code_challenge_s256, credentials_path, generate_pkce_pair,
generate_state, load_oauth_credentials, loopback_redirect_uri, parse_oauth_callback_query,
parse_oauth_callback_request_target, save_oauth_credentials, OAuthAuthorizationRequest,
OAuthCallbackParams, OAuthRefreshRequest, OAuthTokenExchangeRequest, OAuthTokenSet,
PkceChallengeMethod, PkceCodePair,
};
pub use permissions::{

265
rust/crates/runtime/src/oauth.rs
View File

@@ -1,12 +1,15 @@
use std::collections::BTreeMap;
use std::fs::File;
use std::fs::{self, File};
use std::io::{self, Read};
use std::path::PathBuf;
use serde::{Deserialize, Serialize};
use serde_json::{Map, Value};
use sha2::{Digest, Sha256};
use crate::config::OAuthConfig;
#[derive(Debug, Clone, PartialEq, Eq)]
#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
pub struct OAuthTokenSet {
pub access_token: String,
pub refresh_token: Option<String>,
@@ -65,6 +68,48 @@ pub struct OAuthRefreshRequest {
pub scopes: Vec<String>,
}
#[derive(Debug, Clone, PartialEq, Eq)]
pub struct OAuthCallbackParams {
pub code: Option<String>,
pub state: Option<String>,
pub error: Option<String>,
pub error_description: Option<String>,
}
#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
#[serde(rename_all = "camelCase")]
struct StoredOAuthCredentials {
access_token: String,
#[serde(default)]
refresh_token: Option<String>,
#[serde(default)]
expires_at: Option<u64>,
#[serde(default)]
scopes: Vec<String>,
}
impl From<OAuthTokenSet> for StoredOAuthCredentials {
fn from(value: OAuthTokenSet) -> Self {
Self {
access_token: value.access_token,
refresh_token: value.refresh_token,
expires_at: value.expires_at,
scopes: value.scopes,
}
}
}
impl From<StoredOAuthCredentials> for OAuthTokenSet {
fn from(value: StoredOAuthCredentials) -> Self {
Self {
access_token: value.access_token,
refresh_token: value.refresh_token,
expires_at: value.expires_at,
scopes: value.scopes,
}
}
}
impl OAuthAuthorizationRequest {
#[must_use]
pub fn from_config(
@@ -137,7 +182,6 @@ impl OAuthTokenExchangeRequest {
verifier: impl Into<String>,
redirect_uri: impl Into<String>,
) -> Self {
let _ = config;
Self {
grant_type: "authorization_code",
code: code.into(),
@@ -211,12 +255,116 @@ pub fn loopback_redirect_uri(port: u16) -> String {
format!("http://localhost:{port}/callback")
}
pub fn credentials_path() -> io::Result<PathBuf> {
Ok(credentials_home_dir()?.join("credentials.json"))
}
pub fn load_oauth_credentials() -> io::Result<Option<OAuthTokenSet>> {
let path = credentials_path()?;
let root = read_credentials_root(&path)?;
let Some(oauth) = root.get("oauth") else {
return Ok(None);
};
if oauth.is_null() {
return Ok(None);
}
let stored = serde_json::from_value::<StoredOAuthCredentials>(oauth.clone())
.map_err(|error| io::Error::new(io::ErrorKind::InvalidData, error))?;
Ok(Some(stored.into()))
}
pub fn save_oauth_credentials(token_set: &OAuthTokenSet) -> io::Result<()> {
let path = credentials_path()?;
let mut root = read_credentials_root(&path)?;
root.insert(
"oauth".to_string(),
serde_json::to_value(StoredOAuthCredentials::from(token_set.clone()))
.map_err(|error| io::Error::new(io::ErrorKind::InvalidData, error))?,
);
write_credentials_root(&path, &root)
}
pub fn clear_oauth_credentials() -> io::Result<()> {
let path = credentials_path()?;
let mut root = read_credentials_root(&path)?;
root.remove("oauth");
write_credentials_root(&path, &root)
}
pub fn parse_oauth_callback_request_target(target: &str) -> Result<OAuthCallbackParams, String> {
let (path, query) = target
.split_once('?')
.map_or((target, ""), |(path, query)| (path, query));
if path != "/callback" {
return Err(format!("unexpected callback path: {path}"));
}
parse_oauth_callback_query(query)
}
pub fn parse_oauth_callback_query(query: &str) -> Result<OAuthCallbackParams, String> {
let mut params = BTreeMap::new();
for pair in query.split('&').filter(|pair| !pair.is_empty()) {
let (key, value) = pair
.split_once('=')
.map_or((pair, ""), |(key, value)| (key, value));
params.insert(percent_decode(key)?, percent_decode(value)?);
}
Ok(OAuthCallbackParams {
code: params.get("code").cloned(),
state: params.get("state").cloned(),
error: params.get("error").cloned(),
error_description: params.get("error_description").cloned(),
})
}
fn generate_random_token(bytes: usize) -> io::Result<String> {
let mut buffer = vec![0_u8; bytes];
File::open("/dev/urandom")?.read_exact(&mut buffer)?;
Ok(base64url_encode(&buffer))
}
fn credentials_home_dir() -> io::Result<PathBuf> {
if let Some(path) = std::env::var_os("CLAUDE_CONFIG_HOME") {
return Ok(PathBuf::from(path));
}
let home = std::env::var_os("HOME")
.ok_or_else(|| io::Error::new(io::ErrorKind::NotFound, "HOME is not set"))?;
Ok(PathBuf::from(home).join(".claude"))
}
fn read_credentials_root(path: &PathBuf) -> io::Result<Map<String, Value>> {
match fs::read_to_string(path) {
Ok(contents) => {
if contents.trim().is_empty() {
return Ok(Map::new());
}
serde_json::from_str::<Value>(&contents)
.map_err(|error| io::Error::new(io::ErrorKind::InvalidData, error))?
.as_object()
.cloned()
.ok_or_else(|| {
io::Error::new(
io::ErrorKind::InvalidData,
"credentials file must contain a JSON object",
)
})
}
Err(error) if error.kind() == io::ErrorKind::NotFound => Ok(Map::new()),
Err(error) => Err(error),
}
}
fn write_credentials_root(path: &PathBuf, root: &Map<String, Value>) -> io::Result<()> {
if let Some(parent) = path.parent() {
fs::create_dir_all(parent)?;
}
let rendered = serde_json::to_string_pretty(&Value::Object(root.clone()))
.map_err(|error| io::Error::new(io::ErrorKind::InvalidData, error))?;
let temp_path = path.with_extension("json.tmp");
fs::write(&temp_path, format!("{rendered}\n"))?;
fs::rename(temp_path, path)
}
fn base64url_encode(bytes: &[u8]) -> String {
const TABLE: &[u8; 64] = b"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-_";
let mut output = String::new();
@@ -264,11 +412,50 @@ fn percent_encode(value: &str) -> String {
encoded
}
fn percent_decode(value: &str) -> Result<String, String> {
let mut decoded = Vec::with_capacity(value.len());
let bytes = value.as_bytes();
let mut index = 0;
while index < bytes.len() {
match bytes[index] {
b'%' if index + 2 < bytes.len() => {
let hi = decode_hex(bytes[index + 1])?;
let lo = decode_hex(bytes[index + 2])?;
decoded.push((hi << 4) | lo);
index += 3;
}
b'+' => {
decoded.push(b' ');
index += 1;
}
byte => {
decoded.push(byte);
index += 1;
}
}
}
String::from_utf8(decoded).map_err(|error| error.to_string())
}
fn decode_hex(byte: u8) -> Result<u8, String> {
match byte {
b'0'..=b'9' => Ok(byte - b'0'),
b'a'..=b'f' => Ok(byte - b'a' + 10),
b'A'..=b'F' => Ok(byte - b'A' + 10),
_ => Err(format!("invalid percent-encoding byte: {byte}")),
}
}
#[cfg(test)]
mod tests {
use std::sync::{Mutex, OnceLock};
use std::time::{SystemTime, UNIX_EPOCH};
use super::{
code_challenge_s256, generate_pkce_pair, generate_state, loopback_redirect_uri,
OAuthAuthorizationRequest, OAuthConfig, OAuthRefreshRequest, OAuthTokenExchangeRequest,
clear_oauth_credentials, code_challenge_s256, credentials_path, generate_pkce_pair,
generate_state, load_oauth_credentials, loopback_redirect_uri, parse_oauth_callback_query,
parse_oauth_callback_request_target, save_oauth_credentials, OAuthAuthorizationRequest,
OAuthConfig, OAuthRefreshRequest, OAuthTokenExchangeRequest, OAuthTokenSet,
};
fn sample_config() -> OAuthConfig {
@@ -282,6 +469,24 @@ mod tests {
}
}
fn env_lock() -> std::sync::MutexGuard<'static, ()> {
static LOCK: OnceLock<Mutex<()>> = OnceLock::new();
LOCK.get_or_init(|| Mutex::new(()))
.lock()
.expect("env lock")
}
fn temp_config_home() -> std::path::PathBuf {
std::env::temp_dir().join(format!(
"runtime-oauth-test-{}-{}",
std::process::id(),
SystemTime::now()
.duration_since(UNIX_EPOCH)
.expect("time")
.as_nanos()
))
}
#[test]
fn s256_challenge_matches_expected_vector() {
assert_eq!(
@@ -335,4 +540,54 @@ mod tests {
Some("org:read user:write")
);
}
#[test]
fn oauth_credentials_round_trip_and_clear_preserves_other_fields() {
let _guard = env_lock();
let config_home = temp_config_home();
std::env::set_var("CLAUDE_CONFIG_HOME", &config_home);
let path = credentials_path().expect("credentials path");
std::fs::create_dir_all(path.parent().expect("parent")).expect("create parent");
std::fs::write(&path, "{\"other\":\"value\"}\n").expect("seed credentials");
let token_set = OAuthTokenSet {
access_token: "access-token".to_string(),
refresh_token: Some("refresh-token".to_string()),
expires_at: Some(123),
scopes: vec!["scope:a".to_string()],
};
save_oauth_credentials(&token_set).expect("save credentials");
assert_eq!(
load_oauth_credentials().expect("load credentials"),
Some(token_set)
);
let saved = std::fs::read_to_string(&path).expect("read saved file");
assert!(saved.contains("\"other\": \"value\""));
assert!(saved.contains("\"oauth\""));
clear_oauth_credentials().expect("clear credentials");
assert_eq!(load_oauth_credentials().expect("load cleared"), None);
let cleared = std::fs::read_to_string(&path).expect("read cleared file");
assert!(cleared.contains("\"other\": \"value\""));
assert!(!cleared.contains("\"oauth\""));
std::env::remove_var("CLAUDE_CONFIG_HOME");
std::fs::remove_dir_all(config_home).expect("cleanup temp dir");
}
#[test]
fn parses_callback_query_and_target() {
let params =
parse_oauth_callback_query("code=abc123&state=state-1&error_description=needs%20login")
.expect("parse query");
assert_eq!(params.code.as_deref(), Some("abc123"));
assert_eq!(params.state.as_deref(), Some("state-1"));
assert_eq!(params.error_description.as_deref(), Some("needs login"));
let params = parse_oauth_callback_request_target("/callback?code=abc&state=xyz")
.expect("parse callback target");
assert_eq!(params.code.as_deref(), Some("abc"));
assert_eq!(params.state.as_deref(), Some("xyz"));
assert!(parse_oauth_callback_request_target("/wrong?code=abc").is_err());
}
}

13
rust/crates/rusty-claude-cli/src/args.rs
View File

@@ -31,6 +31,10 @@ pub enum Command {
DumpManifests,
/// Print the current bootstrap phase skeleton
BootstrapPlan,
/// Start the OAuth login flow
Login,
/// Clear saved OAuth credentials
Logout,
/// Run a non-interactive prompt and exit
Prompt { prompt: Vec<String> },
}
@@ -86,4 +90,13 @@ mod tests {
})
);
}
#[test]
fn parses_login_and_logout_commands() {
let login = Cli::parse_from(["rusty-claude-cli", "login"]);
assert_eq!(login.command, Some(Command::Login));
let logout = Cli::parse_from(["rusty-claude-cli", "logout"]);
assert_eq!(logout.command, Some(Command::Logout));
}
}

179
rust/crates/rusty-claude-cli/src/main.rs
View File

@@ -4,24 +4,28 @@ mod render;
use std::collections::{BTreeMap, BTreeSet};
use std::env;
use std::fs;
use std::io::{self, Write};
use std::io::{self, Read, Write};
use std::net::TcpListener;
use std::path::{Path, PathBuf};
use std::process::Command;
use std::time::{SystemTime, UNIX_EPOCH};
use api::{
AnthropicClient, ContentBlockDelta, InputContentBlock, InputMessage, MessageRequest,
MessageResponse, OutputContentBlock, StreamEvent as ApiStreamEvent, ToolChoice, ToolDefinition,
ToolResultContentBlock,
resolve_saved_oauth_token, AnthropicClient, AuthSource, ContentBlockDelta, InputContentBlock,
InputMessage, MessageRequest, MessageResponse, OutputContentBlock,
StreamEvent as ApiStreamEvent, ToolChoice, ToolDefinition, ToolResultContentBlock,
};
use commands::{render_slash_command_help, resume_supported_slash_commands, SlashCommand};
use compat_harness::{extract_manifest, UpstreamPaths};
use render::{Spinner, TerminalRenderer};
use runtime::{
load_system_prompt, ApiClient, ApiRequest, AssistantEvent, CompactionConfig, ConfigLoader,
ConfigSource, ContentBlock, ConversationMessage, ConversationRuntime, MessageRole,
PermissionMode, PermissionPolicy, ProjectContext, RuntimeError, Session, TokenUsage, ToolError,
ToolExecutor, UsageTracker,
clear_oauth_credentials, generate_pkce_pair, generate_state, load_system_prompt,
parse_oauth_callback_request_target, save_oauth_credentials, ApiClient, ApiRequest,
AssistantEvent, CompactionConfig, ConfigLoader, ConfigSource, ContentBlock,
ConversationMessage, ConversationRuntime, MessageRole, OAuthAuthorizationRequest,
OAuthTokenExchangeRequest, PermissionMode, PermissionPolicy, ProjectContext, RuntimeError,
Session, TokenUsage, ToolError, ToolExecutor, UsageTracker,
};
use serde_json::json;
use tools::{execute_tool, mvp_tool_specs};
@@ -29,6 +33,7 @@ use tools::{execute_tool, mvp_tool_specs};
const DEFAULT_MODEL: &str = "claude-sonnet-4-20250514";
const DEFAULT_MAX_TOKENS: u32 = 32;
const DEFAULT_DATE: &str = "2026-03-31";
const DEFAULT_OAUTH_CALLBACK_PORT: u16 = 4545;
const VERSION: &str = env!("CARGO_PKG_VERSION");
const BUILD_TARGET: Option<&str> = option_env!("TARGET");
const GIT_SHA: Option<&str> = option_env!("GIT_SHA");
@@ -64,6 +69,8 @@ fn run() -> Result<(), Box<dyn std::error::Error>> {
allowed_tools,
} => LiveCli::new(model, false, allowed_tools)?
.run_turn_with_output(&prompt, output_format)?,
CliAction::Login => run_login()?,
CliAction::Logout => run_logout()?,
CliAction::Repl {
model,
allowed_tools,
@@ -92,6 +99,8 @@ enum CliAction {
output_format: CliOutputFormat,
allowed_tools: Option<AllowedToolSet>,
},
Login,
Logout,
Repl {
model: String,
allowed_tools: Option<AllowedToolSet>,
@@ -199,6 +208,8 @@ fn parse_args(args: &[String]) -> Result<CliAction, String> {
"dump-manifests" => Ok(CliAction::DumpManifests),
"bootstrap-plan" => Ok(CliAction::BootstrapPlan),
"system-prompt" => parse_system_prompt_args(&rest[1..]),
"login" => Ok(CliAction::Login),
"logout" => Ok(CliAction::Logout),
"prompt" => {
let prompt = rest[1..].join(" ");
if prompt.trim().is_empty() {
@@ -344,6 +355,122 @@ fn print_bootstrap_plan() {
}
}
fn run_login() -> Result<(), Box<dyn std::error::Error>> {
let cwd = env::current_dir()?;
let config = ConfigLoader::default_for(&cwd).load()?;
let oauth = config.oauth().ok_or_else(|| {
io::Error::new(
io::ErrorKind::NotFound,
"OAuth config is missing. Add settings.oauth.clientId/authorizeUrl/tokenUrl first.",
)
})?;
let callback_port = oauth.callback_port.unwrap_or(DEFAULT_OAUTH_CALLBACK_PORT);
let redirect_uri = runtime::loopback_redirect_uri(callback_port);
let pkce = generate_pkce_pair()?;
let state = generate_state()?;
let authorize_url =
OAuthAuthorizationRequest::from_config(oauth, redirect_uri.clone(), state.clone(), &pkce)
.build_url();
println!("Starting Claude OAuth login...");
println!("Listening for callback on {redirect_uri}");
if let Err(error) = open_browser(&authorize_url) {
eprintln!("warning: failed to open browser automatically: {error}");
println!("Open this URL manually:\n{authorize_url}");
}
let callback = wait_for_oauth_callback(callback_port)?;
if let Some(error) = callback.error {
let description = callback
.error_description
.unwrap_or_else(|| "authorization failed".to_string());
return Err(io::Error::other(format!("{error}: {description}")).into());
}
let code = callback.code.ok_or_else(|| {
io::Error::new(io::ErrorKind::InvalidData, "callback did not include code")
})?;
let returned_state = callback.state.ok_or_else(|| {
io::Error::new(io::ErrorKind::InvalidData, "callback did not include state")
})?;
if returned_state != state {
return Err(io::Error::new(io::ErrorKind::InvalidData, "oauth state mismatch").into());
}
let client = AnthropicClient::from_auth(AuthSource::None);
let exchange_request =
OAuthTokenExchangeRequest::from_config(oauth, code, state, pkce.verifier, redirect_uri);
let runtime = tokio::runtime::Runtime::new()?;
let token_set = runtime.block_on(client.exchange_oauth_code(oauth, &exchange_request))?;
save_oauth_credentials(&runtime::OAuthTokenSet {
access_token: token_set.access_token,
refresh_token: token_set.refresh_token,
expires_at: token_set.expires_at,
scopes: token_set.scopes,
})?;
println!("Claude OAuth login complete.");
Ok(())
}
fn run_logout() -> Result<(), Box<dyn std::error::Error>> {
clear_oauth_credentials()?;
println!("Claude OAuth credentials cleared.");
Ok(())
}
fn open_browser(url: &str) -> io::Result<()> {
let commands = if cfg!(target_os = "macos") {
vec![("open", vec![url])]
} else if cfg!(target_os = "windows") {
vec![("cmd", vec!["/C", "start", "", url])]
} else {
vec![("xdg-open", vec![url])]
};
for (program, args) in commands {
match Command::new(program).args(args).spawn() {
Ok(_) => return Ok(()),
Err(error) if error.kind() == io::ErrorKind::NotFound => {}
Err(error) => return Err(error),
}
}
Err(io::Error::new(
io::ErrorKind::NotFound,
"no supported browser opener command found",
))
}
fn wait_for_oauth_callback(
port: u16,
) -> Result<runtime::OAuthCallbackParams, Box<dyn std::error::Error>> {
let listener = TcpListener::bind(("127.0.0.1", port))?;
let (mut stream, _) = listener.accept()?;
let mut buffer = [0_u8; 4096];
let bytes_read = stream.read(&mut buffer)?;
let request = String::from_utf8_lossy(&buffer[..bytes_read]);
let request_line = request.lines().next().ok_or_else(|| {
io::Error::new(io::ErrorKind::InvalidData, "missing callback request line")
})?;
let target = request_line.split_whitespace().nth(1).ok_or_else(|| {
io::Error::new(
io::ErrorKind::InvalidData,
"missing callback request target",
)
})?;
let callback = parse_oauth_callback_request_target(target)
.map_err(|error| io::Error::new(io::ErrorKind::InvalidData, error))?;
let body = if callback.error.is_some() {
"Claude OAuth login failed. You can close this window."
} else {
"Claude OAuth login succeeded. You can close this window."
};
let response = format!(
"HTTP/1.1 200 OK\r\ncontent-type: text/plain; charset=utf-8\r\ncontent-length: {}\r\nconnection: close\r\n\r\n{}",
body.len(),
body
);
stream.write_all(response.as_bytes())?;
Ok(callback)
}
fn print_system_prompt(cwd: PathBuf, date: String) {
match load_system_prompt(cwd, date, env::consts::OS, "unknown") {
Ok(sections) => println!("{}", sections.join("\n\n")),
@@ -840,7 +967,7 @@ impl LiveCli {
}
fn run_prompt_json(&mut self, input: &str) -> Result<(), Box<dyn std::error::Error>> {
let client = AnthropicClient::from_env()?;
let client = AnthropicClient::from_auth(resolve_cli_auth_source()?);
let request = MessageRequest {
model: self.model.clone(),
max_tokens: DEFAULT_MAX_TOKENS,
@@ -1742,7 +1869,7 @@ impl AnthropicRuntimeClient {
) -> Result<Self, Box<dyn std::error::Error>> {
Ok(Self {
runtime: tokio::runtime::Runtime::new()?,
client: AnthropicClient::from_env()?,
client: AnthropicClient::from_auth(resolve_cli_auth_source()?),
model,
enable_tools,
allowed_tools,
@@ -1750,6 +1877,23 @@ impl AnthropicRuntimeClient {
}
}
fn resolve_cli_auth_source() -> Result<AuthSource, Box<dyn std::error::Error>> {
match AuthSource::from_env() {
Ok(auth) => Ok(auth),
Err(api::ApiError::MissingApiKey) => {
let cwd = env::current_dir()?;
let config = ConfigLoader::default_for(&cwd).load()?;
if let Some(oauth) = config.oauth() {
if let Some(token_set) = resolve_saved_oauth_token(oauth)? {
return Ok(AuthSource::from(token_set));
}
}
Ok(AuthSource::from_env_or_saved()?)
}
Err(error) => Err(Box::new(error)),
}
}
impl ApiClient for AnthropicRuntimeClient {
#[allow(clippy::too_many_lines)]
fn stream(&mut self, request: ApiRequest) -> Result<Vec<AssistantEvent>, RuntimeError> {
@@ -2019,6 +2163,8 @@ fn print_help() {
println!(" rusty-claude-cli dump-manifests");
println!(" rusty-claude-cli bootstrap-plan");
println!(" rusty-claude-cli system-prompt [--cwd PATH] [--date YYYY-MM-DD]");
println!(" rusty-claude-cli login");
println!(" rusty-claude-cli logout");
println!();
println!("Flags:");
println!(" --model MODEL Override the active model");
@@ -2043,6 +2189,7 @@ fn print_help() {
println!(" rusty-claude-cli --output-format json prompt \"explain src/main.rs\"");
println!(" rusty-claude-cli --allowedTools read,glob \"summarize Cargo.toml\"");
println!(" rusty-claude-cli --resume session.json /status /diff /export notes.txt");
println!(" rusty-claude-cli login");
}
#[cfg(test)]
@@ -2166,6 +2313,18 @@ mod tests {
);
}
#[test]
fn parses_login_and_logout_subcommands() {
assert_eq!(
parse_args(&["login".to_string()]).expect("login should parse"),
CliAction::Login
);
assert_eq!(
parse_args(&["logout".to_string()]).expect("logout should parse"),
CliAction::Logout
);
}
#[test]
fn parses_resume_flag_with_slash_command() {
let args = vec![