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use std::time::Duration;
use rusty_s3::Credentials;
use url::Url;
use crate::{Bucket, Client, Result};
pub struct MissingCred;
pub struct MissingSecret(String);
pub struct MissingKey(String);
pub struct Complete {
key: String,
secret: String,
}
pub struct Builder<State> {
addr: Url,
region: Option<String>,
cred: State,
token: Option<String>,
actions_expires_in: Option<Duration>,
timeout: Option<Duration>,
multipart_size: Option<usize>,
}
impl Builder<MissingCred> {
/// Create a new `Builder`.
/// It's currently missing its key and secret.
///
/// # Example
/// ```
/// use strois::Builder;
///
/// let client = Builder::new("http://localhost:9000")?
/// .key("minioadmin")
/// .secret("minioadmin")
/// .client();
/// # Ok::<(), strois::Error>(())
/// ```
///
/// If you try to call `.client()` before setting the key and secret it won't work.
/// ```compile_fail
/// use strois::Builder;
///
/// let client = Builder::new("http://localhost:9000")?
/// .client();
/// # Ok::<(), strois::Error>(())
/// ```
///
/// But if you only forgot the secret it should panic as well:
/// ```compile_fail
/// use strois::Builder;
///
/// let client = Builder::new("http://localhost:9000")?
/// .secret("minioadmin")
/// .client();
/// # Ok::<(), strois::Error>(())
/// ```
///
/// Same for the key:
/// ```compile_fail
/// use strois::Builder;
///
/// let client = Builder::new("http://localhost:9000")?
/// .key("minioadmin")
/// .client();
/// # Ok::<(), strois::Error>(())
/// ```
///
pub fn new(addr: impl AsRef<str>) -> Result<Self> {
Ok(Self {
addr: addr.as_ref().parse()?,
region: None,
cred: MissingCred,
token: None,
actions_expires_in: None,
timeout: None,
multipart_size: None,
})
}
/// Set the key in the `Builder`.
///
/// # Example
/// ```
/// use strois::Builder;
///
/// let client = Builder::new("http://localhost:9000")?
/// .key("minioadmin")
/// .secret("minioadmin")
/// .client();
/// # Ok::<(), strois::Error>(())
/// ```
pub fn key(self, key: impl Into<String>) -> Builder<MissingSecret> {
Builder {
addr: self.addr,
region: self.region,
cred: MissingSecret(key.into()),
token: self.token,
actions_expires_in: self.actions_expires_in,
timeout: self.timeout,
multipart_size: None,
}
}
/// Set the secret in the `Builder`.
///
/// # Example
/// ```
/// use strois::Builder;
///
/// let client = Builder::new("http://localhost:9000")?
/// .key("minioadmin")
/// .secret("minioadmin")
/// .client();
/// # Ok::<(), strois::Error>(())
/// ```
pub fn secret(self, secret: impl Into<String>) -> Builder<MissingKey> {
Builder {
addr: self.addr,
region: self.region,
cred: MissingKey(secret.into()),
token: self.token,
actions_expires_in: self.actions_expires_in,
timeout: self.timeout,
multipart_size: None,
}
}
}
impl Builder<MissingSecret> {
pub fn secret(self, secret: impl Into<String>) -> Builder<Complete> {
Builder {
addr: self.addr,
region: self.region,
cred: Complete {
key: self.cred.0,
secret: secret.into(),
},
token: self.token,
actions_expires_in: self.actions_expires_in,
timeout: self.timeout,
multipart_size: None,
}
}
}
impl Builder<MissingKey> {
pub fn key(self, key: impl Into<String>) -> Builder<Complete> {
Builder {
addr: self.addr,
region: self.region,
cred: Complete {
key: key.into(),
secret: self.cred.0,
},
token: self.token,
actions_expires_in: self.actions_expires_in,
timeout: self.timeout,
multipart_size: None,
}
}
}
impl Builder<Complete> {
/// Create a new [`Client`] from the builder.
///
/// # Example
/// ```
/// use strois::Builder;
///
/// let client = Builder::new("http://localhost:9000")?
/// .key("minioadmin")
/// .secret("minioadmin")
/// .client();
/// # Ok::<(), strois::Error>(())
/// ```
pub fn client(self) -> Client {
let cred = if let Some(token) = self.token {
Credentials::new_with_token(self.cred.key, self.cred.secret, token)
} else {
Credentials::new(self.cred.key, self.cred.secret)
};
Client {
addr: self.addr,
region: self.region.unwrap_or_default(),
cred,
actions_expires_in: self
.actions_expires_in
.unwrap_or(Duration::from_secs(60 * 60)),
timeout: self.timeout.unwrap_or(Duration::from_secs(60)),
multipart_size: self.multipart_size.unwrap_or(50 * 1024 * 1024), // 50MiB
}
}
/// Create a new [`Bucket`] from the builder.
///
/// # Example
/// ```
/// use strois::Builder;
///
/// let client = Builder::new("http://localhost:9000")?
/// .key("minioadmin")
/// .secret("minioadmin")
/// .bucket("tamo");
/// # Ok::<(), strois::Error>(())
/// ```
pub fn bucket(self, name: impl AsRef<str>) -> Result<Bucket> {
self.client().bucket(name.as_ref())
}
}
impl<T> Builder<T> {
pub fn token(mut self, token: impl Into<String>) -> Self {
self.token = Some(token.into());
self
}
pub fn region(mut self, region: impl Into<String>) -> Self {
self.region = Some(region.into());
self
}
pub fn multipart_size(mut self, multipart_size: usize) -> Self {
self.multipart_size = Some(multipart_size);
self
}
pub fn maybe_token(mut self, token: Option<impl Into<String>>) -> Self {
self.token = token.map(|s| s.into());
self
}
pub fn actions_expires_in(mut self, actions_expires_in: Duration) -> Self {
self.actions_expires_in = Some(actions_expires_in);
self
}
pub fn timeout(mut self, timeout: Duration) -> Self {
self.timeout = Some(timeout);
self
}
}