Support Forgejo servers

This commit is contained in:
Georg Bauer
2026-08-03 18:14:21 +02:00
parent 46cca8fdd2
commit d47b21d6a6
15 changed files with 405 additions and 78 deletions

View File

@@ -1,11 +1,11 @@
use std::{error, fmt};
use std::{error, fmt, str::FromStr};
use reqwest::{
Client as HttpClient,
header::{ACCEPT, AUTHORIZATION, HeaderMap, HeaderValue},
};
pub use reqwest::{Method, RequestBuilder, Response, StatusCode, Url};
use serde::Deserialize;
use serde::{Deserialize, Serialize};
use gitea_openapi::apis;
pub use gitea_openapi::models;
@@ -30,6 +30,37 @@ pub use pulls::{PullFileSource, pull_file_source, pull_state};
pub type Result<T> = std::result::Result<T, Error>;
#[derive(Clone, Copy, Debug, Default, Deserialize, Eq, PartialEq, Serialize)]
#[serde(rename_all = "lowercase")]
pub enum Provider {
#[default]
Gitea,
Forgejo,
}
impl fmt::Display for Provider {
fn fmt(&self, formatter: &mut fmt::Formatter<'_>) -> fmt::Result {
formatter.write_str(match self {
Self::Gitea => "gitea",
Self::Forgejo => "forgejo",
})
}
}
impl FromStr for Provider {
type Err = Error;
fn from_str(value: &str) -> Result<Self> {
match value.to_ascii_lowercase().as_str() {
"gitea" => Ok(Self::Gitea),
"forgejo" => Ok(Self::Forgejo),
_ => Err(Error::InvalidInput(
"provider must be gitea or forgejo".into(),
)),
}
}
}
pub(crate) fn validate_page(page: i32, limit: i32) -> Result<()> {
if page < 1 || limit < 1 {
return Err(Error::InvalidInput(
@@ -67,7 +98,7 @@ impl fmt::Display for Error {
Self::Transport(error) => error.fmt(formatter),
Self::Generated(message) => formatter.write_str(message),
Self::Api { status, message } => {
write!(formatter, "Gitea returned {status}: {message}")
write!(formatter, "Server returned {status}: {message}")
}
}
}
@@ -97,22 +128,32 @@ impl Error {
#[derive(Clone, Debug)]
pub struct Client {
api_url: Url,
forgejo_api_url: Url,
http: HttpClient,
provider: Provider,
}
impl Client {
pub fn new(instance_url: &str, token: Option<&str>) -> Result<Self> {
Self::with_provider(instance_url, token, Provider::Gitea)
}
pub fn with_provider(
instance_url: &str,
token: Option<&str>,
provider: Provider,
) -> Result<Self> {
let mut instance_url = Url::parse(instance_url)
.map_err(|error| Error::Configuration(format!("invalid Gitea URL: {error}")))?;
.map_err(|error| Error::Configuration(format!("invalid server URL: {error}")))?;
if !matches!(instance_url.scheme(), "http" | "https") {
return Err(Error::Configuration(
"Gitea URL must use http or https".into(),
"Server URL must use http or https".into(),
));
}
if !instance_url.username().is_empty() || instance_url.password().is_some() {
return Err(Error::Configuration(
"Gitea URL must not contain credentials".into(),
"Server URL must not contain credentials".into(),
));
}
if !instance_url.path().ends_with('/') {
@@ -121,25 +162,61 @@ impl Client {
let api_url = instance_url
.join("api/v1/")
.map_err(|error| Error::Configuration(format!("invalid Gitea URL: {error}")))?;
.map_err(|error| Error::Configuration(format!("invalid server URL: {error}")))?;
let forgejo_api_url = instance_url
.join("api/forgejo/v1/")
.map_err(|error| Error::Configuration(format!("invalid server URL: {error}")))?;
let mut headers = HeaderMap::new();
headers.insert(ACCEPT, HeaderValue::from_static("application/json"));
if let Some(token) = token {
let value = HeaderValue::from_str(&format!("token {token}"))
.map_err(|_| Error::Configuration("invalid Gitea token".into()))?;
.map_err(|_| Error::Configuration("invalid server token".into()))?;
headers.insert(AUTHORIZATION, value);
}
Ok(Self {
api_url,
forgejo_api_url,
http: HttpClient::builder().default_headers(headers).build()?,
provider,
})
}
pub async fn discover(
instance_url: &str,
token: Option<&str>,
fallback: Provider,
) -> Result<Self> {
let mut client = Self::with_provider(instance_url, token, fallback)?;
let version = client.gitea_version().await?;
if is_forgejo_version(&version) {
client.provider = Provider::Forgejo;
return Ok(client);
}
match client.forgejo_version().await {
Ok(_) => client.provider = Provider::Forgejo,
Err(Error::Api { status, .. }) if status == StatusCode::NOT_FOUND => {
if fallback == Provider::Forgejo {
return Err(Error::Configuration(
"Server does not expose the Forgejo API".into(),
));
}
client.provider = Provider::Gitea;
}
Err(error) => return Err(error),
}
Ok(client)
}
pub fn api_url(&self) -> &Url {
&self.api_url
}
pub fn provider(&self) -> Provider {
self.provider
}
/// Returns an authenticated configuration for every generated typed API.
pub(crate) fn configuration(&self) -> apis::configuration::Configuration {
apis::configuration::Configuration {
@@ -188,11 +265,27 @@ impl Client {
}
pub async fn version(&self) -> Result<models::ServerVersion> {
match self.provider {
Provider::Gitea => self.gitea_version().await,
Provider::Forgejo => self.forgejo_version().await,
}
}
async fn gitea_version(&self) -> Result<models::ServerVersion> {
apis::miscellaneous_api::get_version(&self.configuration())
.await
.map_err(|error| Error::Generated(error.to_string()))
}
async fn forgejo_version(&self) -> Result<models::ServerVersion> {
let request =
self.http
.get(self.forgejo_api_url.join("version").map_err(|error| {
Error::Configuration(format!("invalid Forgejo endpoint: {error}"))
})?);
Ok(self.execute(request).await?.json().await?)
}
pub async fn current_user(&self) -> Result<models::User> {
apis::user_api::user_get_current(&self.configuration())
.await
@@ -218,6 +311,13 @@ impl Client {
}
}
fn is_forgejo_version(version: &models::ServerVersion) -> bool {
version
.version
.as_deref()
.is_some_and(|version| version.contains("+gitea-"))
}
#[derive(Debug, Deserialize)]
struct ApiError {
#[serde(default)]
@@ -230,7 +330,12 @@ mod tests {
#[test]
fn keeps_instance_subpaths_and_rejects_endpoint_escapes() {
let client = Client::new("https://example.com/gitea", Some("secret")).unwrap();
let client = Client::with_provider(
"https://example.com/gitea",
Some("secret"),
Provider::Forgejo,
)
.unwrap();
assert_eq!(
client.api_url().as_str(),
@@ -247,6 +352,20 @@ mod tests {
client.configuration().base_path,
"https://example.com/gitea/api/v1"
);
assert_eq!(client.provider(), Provider::Forgejo);
assert_eq!(
client.forgejo_api_url.as_str(),
"https://example.com/gitea/api/forgejo/v1/"
);
assert_eq!("GITEA".parse::<Provider>().unwrap(), Provider::Gitea);
assert_eq!(Provider::Forgejo.to_string(), "forgejo");
assert!("github".parse::<Provider>().is_err());
assert!(is_forgejo_version(&models::ServerVersion {
version: Some("16.0.1+gitea-1.24.6".into()),
}));
assert!(!is_forgejo_version(&models::ServerVersion {
version: Some("1.25.2".into()),
}));
let _typed_model = models::Issue::default();
}
}