pub struct GotCredential(_);
Expand description

获取的认证信息

该数据结构目前和认证信息相同,可以和认证信息相互转换,但之后可能会添加更多字段

Implementations§

获取认证信息

获取认证信息的可变引用

转换为认证信息

Examples found in repository?
src/lib.rs (line 780)
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    fn from(result: GotCredential) -> Self {
        result.into_credential()
    }

Methods from Deref<Target = Credential>§

获取认证信息的 AccessKey

Examples found in repository?
src/lib.rs (line 221)
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    fn sign_within<E, F: FnOnce(&mut Hmac<Sha1>) -> Result<(), E>>(&self, f: F) -> Result<String, E> {
        let signature = generate_base64ed_hmac_sha1_digest_within(self.secret_key(), f)?;
        Ok(self.access_key().to_string() + ":" + &signature)
    }

    /// 使用七牛签名算法对数据进行签名,并同时给出签名和原数据
    ///
    /// 参考[上传凭证的签名算法文档](https://developer.qiniu.com/kodo/manual/1208/upload-token)
    ///
    /// ```
    /// use qiniu_credential::{Credential, prelude::*};
    /// use std::io::Cursor;
    /// # fn main() -> anyhow::Result<()> {
    /// let credential = Credential::new("abcdefghklmnopq", "1234567890");
    /// assert_eq!(
    ///     credential.get(Default::default())?.sign_with_data(b"hello"),
    ///     "abcdefghklmnopq:BZYt5uVRy1RVt5ZTXbaIt2ROVMA=:aGVsbG8="
    /// );
    /// # Ok(())
    /// # }
    /// ```
    pub fn sign_with_data(&self, data: &[u8]) -> String {
        let encoded_data = base64::urlsafe(data);
        self.sign(encoded_data.as_bytes()) + ":" + &encoded_data
    }

    /// 使用七牛签名算法 V1 对 HTTP 请求(请求体为内存数据)进行签名,返回 Authorization 的值
    ///
    /// ```
    /// use qiniu_credential::{Credential, HeaderValue, prelude::*};
    /// use mime::APPLICATION_WWW_FORM_URLENCODED;
    /// use std::io::Cursor;
    /// # fn main() -> anyhow::Result<()> {
    /// let credential = Credential::new("abcdefghklmnopq", "1234567890");
    /// let authorization = credential
    ///     .get(Default::default())?
    ///     .authorization_v1_for_request(
    ///         &"http://upload.qiniup.com/".parse()?,
    ///         Some(&HeaderValue::from_str(APPLICATION_WWW_FORM_URLENCODED.as_ref())?),
    ///         b"name=test&language=go"
    ///     );
    /// # Ok(())
    /// # }
    /// ```
    pub fn authorization_v1_for_request(&self, url: &Uri, content_type: Option<&HeaderValue>, body: &[u8]) -> String {
        let authorization_token = sign_request_v1(self, url, content_type, body);
        "QBox ".to_owned() + &authorization_token
    }

    /// 使用七牛签名算法 V1 对 HTTP 请求(请求体为输入流)进行签名,返回 Authorization 的值
    ///
    /// 该方法的异步版本为 [`Credential::authorization_v1_for_request_with_async_body_reader`]。
    ///
    /// ```
    /// use qiniu_credential::{Credential, HeaderValue, prelude::*};
    /// use std::io::Cursor;
    /// use mime::APPLICATION_WWW_FORM_URLENCODED;
    /// # fn main() -> anyhow::Result<()> {
    /// let credential = Credential::new("abcdefghklmnopq", "1234567890");
    /// let authorization = credential
    ///     .get(Default::default())?
    ///     .authorization_v1_for_request_with_body_reader(
    ///         &"http://upload.qiniup.com/".parse()?,
    ///         Some(&HeaderValue::from_str(APPLICATION_WWW_FORM_URLENCODED.as_ref())?),
    ///         &mut Cursor::new(b"name=test&language=go")
    ///     )?;
    /// # Ok(())
    /// # }
    /// ```
    pub fn authorization_v1_for_request_with_body_reader(
        &self,
        url: &Uri,
        content_type: Option<&HeaderValue>,
        body: &mut dyn Read,
    ) -> IoResult<String> {
        let authorization_token = sign_request_v1_with_body_reader(self, url, content_type, body)?;
        Ok("QBox ".to_owned() + &authorization_token)
    }

    /// 使用七牛签名算法 V2 对 HTTP 请求(请求体为内存数据)进行签名,返回 Authorization 的值
    ///
    /// ```
    /// use qiniu_credential::{Credential, Method, HeaderMap, HeaderValue, prelude::*};
    /// use http::header::CONTENT_TYPE;
    /// use mime::APPLICATION_JSON;
    /// # fn main() -> anyhow::Result<()> {
    /// let credential = Credential::new("abcdefghklmnopq", "1234567890");
    /// let mut headers = HeaderMap::new();
    /// headers.insert(CONTENT_TYPE, HeaderValue::from_str(APPLICATION_JSON.as_ref())?);
    /// let authorization = credential
    ///     .get(Default::default())?
    ///     .authorization_v2_for_request(
    ///         &Method::GET,
    ///         &"http://upload.qiniup.com/".parse()?,
    ///         &headers,
    ///         b"{\"name\":\"test\"}".as_slice(),
    ///     );
    /// # Ok(())
    /// # }
    /// ```
    pub fn authorization_v2_for_request(&self, method: &Method, url: &Uri, headers: &HeaderMap, body: &[u8]) -> String {
        let authorization_token = sign_request_v2(self, method, url, headers, body);
        "Qiniu ".to_owned() + &authorization_token
    }

    /// 使用七牛签名算法 V2 对 HTTP 请求(请求体为输入流)进行签名,返回 Authorization 的值
    ///
    /// 该方法的异步版本为 [`Credential::authorization_v2_for_request_with_async_body_reader`]。
    ///
    /// ```
    /// use qiniu_credential::{Credential, Method, HeaderMap, HeaderValue, prelude::*};
    /// use http::header::CONTENT_TYPE;
    /// use mime::APPLICATION_JSON;
    /// use std::io::Cursor;
    /// # fn main() -> anyhow::Result<()> {
    /// let credential = Credential::new("abcdefghklmnopq", "1234567890");
    /// let mut headers = HeaderMap::new();
    /// headers.insert(CONTENT_TYPE, HeaderValue::from_str(APPLICATION_JSON.as_ref())?);
    /// let authorization = credential
    ///     .get(Default::default())?
    ///     .authorization_v2_for_request_with_body_reader(
    ///         &Method::GET,
    ///         &"http://upload.qiniup.com/".parse()?,
    ///         &headers,
    ///         &mut Cursor::new(b"{\"name\":\"test\"}")
    ///     )?;
    /// # Ok(())
    /// # }
    /// ```
    pub fn authorization_v2_for_request_with_body_reader(
        &self,
        method: &Method,
        url: &Uri,
        headers: &HeaderMap,
        body: &mut dyn Read,
    ) -> IoResult<String> {
        let authorization_token = sign_request_v2_with_body_reader(self, method, url, headers, body)?;
        Ok("Qiniu ".to_owned() + &authorization_token)
    }

    /// 对对象的下载 URL 签名,可以生成私有存储空间的下载地址
    ///
    /// ```
    /// use qiniu_credential::{Credential, prelude::*};
    /// use std::time::Duration;
    /// # fn main() -> anyhow::Result<()> {
    /// let credential = Credential::new("abcdefghklmnopq", "1234567890");
    /// let url = "http://www.qiniu.com/?go=1".parse()?;
    /// let url = credential
    ///     .get(Default::default())?
    ///     .sign_download_url(url, Duration::from_secs(3600));
    /// println!("{}", url);
    /// Ok(())
    /// }
    /// ```
    pub fn sign_download_url(&self, url: Uri, lifetime: Duration) -> Uri {
        let deadline = SystemTime::now() + lifetime;
        let deadline = deadline
            .duration_since(UNIX_EPOCH)
            .expect("Invalid UNIX Timestamp")
            .as_secs();
        let to_sign = append_query_pairs_to_url(url, &[("e", &deadline.to_string())]);
        let signature = self.sign(to_sign.to_string().as_bytes());
        return append_query_pairs_to_url(to_sign, &[("token", &signature)]);

        fn append_query_pairs_to_url(url: Uri, pairs: &[(&str, &str)]) -> Uri {
            let path_string = url.path().to_owned();
            let query_string = url.query().unwrap_or_default().to_owned();
            let mut serializer = form_urlencoded::Serializer::new(query_string);
            for (key, value) in pairs.iter() {
                serializer.append_pair(key, value);
            }
            let query_string = serializer.finish();
            let mut path_and_query = path_string;
            if !query_string.is_empty() {
                path_and_query.push('?');
                path_and_query.push_str(&query_string);
            }
            let parts = url.into_parts();
            let mut builder = Uri::builder();
            if let Some(scheme) = parts.scheme {
                builder = builder.scheme(scheme);
            }
            if let Some(authority) = parts.authority {
                builder = builder.authority(authority);
            }
            builder.path_and_query(&path_and_query).build().unwrap()
        }
    }

    #[allow(dead_code)]
    fn assert() {
        assert_impl!(Send: Self);
        assert_impl!(Sync: Self);
    }
}

#[cfg(feature = "async")]
impl Credential {
    /// 使用七牛签名算法对异步输入流数据进行签名
    ///
    /// 参考[管理凭证的签名算法文档](https://developer.qiniu.com/kodo/manual/1201/access-token)
    ///
    /// ```
    /// use qiniu_credential::{Credential, prelude::*};
    /// use futures_lite::io::Cursor;
    /// # async fn f() -> anyhow::Result<()> {
    /// let credential = Credential::new("abcdefghklmnopq", "1234567890");
    /// assert_eq!(
    ///     credential
    ///         .async_get(Default::default()).await?
    ///         .sign_async_reader(&mut Cursor::new(b"world")).await?,
    ///     "abcdefghklmnopq:VjgXt0P_nCxHuaTfiFz-UjDJ1AQ="
    /// );
    /// # Ok(())
    /// # }
    /// ```
    #[cfg_attr(feature = "docs", doc(cfg(feature = "async")))]
    pub async fn sign_async_reader(&self, reader: &mut (dyn AsyncRead + Send + Unpin)) -> IoResult<String> {
        let mut hmac = new_hmac_sha1(self.secret_key());
        copy_async_reader_to_hmac_sha1(&mut hmac, reader).await?;
        Ok(base64ed_hmac_sha1_with_access_key(self.access_key().to_string(), hmac))
    }

    /// 使用七牛签名算法 V1 对 HTTP 请求(请求体为异步输入流)进行签名,返回 Authorization 的值
    ///
    /// ```
    /// use qiniu_credential::{Credential, HeaderValue, prelude::*};
    /// use mime::APPLICATION_WWW_FORM_URLENCODED;
    /// use futures_lite::io::Cursor;
    /// # async fn f() -> anyhow::Result<()> {
    /// let credential = Credential::new("abcdefghklmnopq", "1234567890");
    /// let authorization = credential
    ///     .async_get(Default::default()).await?
    ///     .authorization_v1_for_request_with_async_body_reader(
    ///         &"http://upload.qiniup.com/".parse()?,
    ///         Some(&HeaderValue::from_str(APPLICATION_WWW_FORM_URLENCODED.as_ref())?),
    ///         &mut Cursor::new(b"name=test&language=go")
    ///     ).await?;
    /// # Ok(())
    /// # }
    /// ```
    #[cfg_attr(feature = "docs", doc(cfg(feature = "async")))]
    pub async fn authorization_v1_for_request_with_async_body_reader(
        &self,
        url: &Uri,
        content_type: Option<&HeaderValue>,
        body: &mut (dyn AsyncRead + Send + Unpin),
    ) -> IoResult<String> {
        let authorization_token = sign_request_v1_with_async_body_reader(self, url, content_type, body).await?;
        Ok("QBox ".to_owned() + &authorization_token)
    }

    /// 使用七牛签名算法 V2 对 HTTP 请求(请求体为异步输入流)进行签名,返回 Authorization 的值
    ///
    /// ```
    /// use qiniu_credential::{Credential, Method, HeaderMap, HeaderValue, prelude::*};
    /// use http::header::CONTENT_TYPE;
    /// use mime::APPLICATION_JSON;
    /// use futures_lite::io::Cursor;
    /// #[async_std::main]
    /// # async fn main() -> anyhow::Result<()> {
    /// let credential = Credential::new("abcdefghklmnopq", "1234567890");
    /// let mut headers = HeaderMap::new();
    /// headers.insert(CONTENT_TYPE, HeaderValue::from_str(APPLICATION_JSON.as_ref())?);
    /// let authorization = credential
    ///     .async_get(Default::default()).await?
    ///     .authorization_v2_for_request_with_async_body_reader(
    ///         &Method::GET,
    ///         &"http://upload.qiniup.com/".parse()?,
    ///         &headers,
    ///         &mut Cursor::new(b"{\"name\":\"test\"}")
    ///     ).await?;
    /// # Ok(())
    /// # }
    /// ```
    #[cfg_attr(feature = "docs", doc(cfg(feature = "async")))]
    pub async fn authorization_v2_for_request_with_async_body_reader(
        &self,
        method: &Method,
        url: &Uri,
        headers: &HeaderMap,
        body: &mut (dyn AsyncRead + Send + Unpin),
    ) -> IoResult<String> {
        let authorization_token = sign_request_v2_with_async_body_reader(self, method, url, headers, body).await?;
        Ok("Qiniu ".to_owned() + &authorization_token)
    }
}

fn sign_request_v1(cred: &Credential, url: &Uri, content_type: Option<&HeaderValue>, body: &[u8]) -> String {
    cred.sign_within::<IoError, _>(|hmac| {
        _sign_request_v1_without_body(hmac, url);
        if let Some(content_type) = content_type {
            if !body.is_empty() && will_push_body_v1(content_type) {
                hmac.update(body);
            }
        }
        Ok(())
    })
    .unwrap()
}

fn sign_request_v1_with_body_reader(
    cred: &Credential,
    url: &Uri,
    content_type: Option<&HeaderValue>,
    body: &mut dyn Read,
) -> IoResult<String> {
    cred.sign_within(|hmac| {
        _sign_request_v1_without_body(hmac, url);
        if let Some(content_type) = content_type {
            if will_push_body_v1(content_type) {
                copy(body, hmac)?;
            }
        }
        Ok(())
    })
}

fn _sign_request_v1_without_body(digest: &mut Hmac<Sha1>, url: &Uri) {
    digest.update(url.path().as_bytes());
    if let Some(query) = url.query() {
        if !query.is_empty() {
            digest.update(b"?");
            digest.update(query.as_bytes());
        }
    }
    digest.update(b"\n");
}

fn sign_request_v2(cred: &Credential, method: &Method, url: &Uri, headers: &HeaderMap, body: &[u8]) -> String {
    cred.sign_within::<IoError, _>(|hmac| {
        _sign_request_v2_without_body(hmac, method, url, headers);
        if let Some(content_type) = headers.get(CONTENT_TYPE) {
            if will_push_body_v2(content_type) {
                hmac.update(body);
            }
        }
        Ok(())
    })
    .unwrap()
}

fn sign_request_v2_with_body_reader(
    cred: &Credential,
    method: &Method,
    url: &Uri,
    headers: &HeaderMap,
    body: &mut dyn Read,
) -> IoResult<String> {
    cred.sign_within(|hmac| {
        _sign_request_v2_without_body(hmac, method, url, headers);
        if let Some(content_type) = headers.get(CONTENT_TYPE) {
            if will_push_body_v2(content_type) {
                copy(body, hmac)?;
            }
        }
        Ok(())
    })
}

fn _sign_request_v2_without_body(digest: &mut Hmac<Sha1>, method: &Method, url: &Uri, headers: &HeaderMap) {
    digest.update(method.as_str().as_bytes());
    digest.update(b" ");
    digest.update(url.path().as_bytes());
    if let Some(query) = url.query() {
        if !query.is_empty() {
            digest.update(b"?");
            digest.update(query.as_bytes());
        }
    }
    if let Some(host) = url.host() {
        digest.update(b"\nHost: ");
        digest.update(host.as_bytes());
    }
    if let Some(port) = url.port() {
        digest.update(b":");
        digest.update(port.to_string().as_bytes());
    }
    digest.update(b"\n");

    if let Some(content_type) = headers.get(CONTENT_TYPE) {
        digest.update(b"Content-Type: ");
        digest.update(content_type.as_bytes());
        digest.update(b"\n");
    }
    _sign_data_for_x_qiniu_headers(digest, headers);
    digest.update(b"\n");
    return;

    fn _sign_data_for_x_qiniu_headers(digest: &mut Hmac<Sha1>, headers: &HeaderMap) {
        let mut x_qiniu_headers = headers
            .iter()
            .map(|(key, value)| (make_header_name(key.as_str().into()), value.as_bytes()))
            .filter(|(key, _)| key.len() > "X-Qiniu-".len())
            .filter(|(key, _)| key.starts_with("X-Qiniu-"))
            .collect::<Vec<_>>();
        if x_qiniu_headers.is_empty() {
            return;
        }
        x_qiniu_headers.sort_unstable();
        for (header_key, header_value) in x_qiniu_headers {
            digest.update(header_key.as_bytes());
            digest.update(b": ");
            digest.update(header_value);
            digest.update(b"\n");
        }
    }
}

fn generate_base64ed_hmac_sha1_digest_within<E, F: FnOnce(&mut Hmac<Sha1>) -> Result<(), E>>(
    secret_key: &str,
    f: F,
) -> Result<String, E> {
    let mut hmac = new_hmac_sha1(secret_key);
    f(&mut hmac)?;
    Ok(base64ed_hmac_sha1(hmac))
}

fn new_hmac_sha1(secret_key: &str) -> Hmac<Sha1> {
    Hmac::<Sha1>::new_from_slice(secret_key.as_bytes()).unwrap()
}

fn base64ed_hmac_sha1(hmac: Hmac<Sha1>) -> String {
    base64::urlsafe(&hmac.finalize().into_bytes())
}

#[cfg(feature = "async")]
fn base64ed_hmac_sha1_with_access_key(access_key: String, hmac: Hmac<Sha1>) -> String {
    access_key + ":" + &base64ed_hmac_sha1(hmac)
}

fn will_push_body_v1(content_type: &HeaderValue) -> bool {
    APPLICATION_WWW_FORM_URLENCODED.as_ref() == content_type
}

fn will_push_body_v2(content_type: &HeaderValue) -> bool {
    APPLICATION_OCTET_STREAM.as_ref() != content_type
}

#[cfg(feature = "async")]
mod async_sign {
    use super::*;
    use futures_lite::io::AsyncRead;
    use std::task::{Context, Poll};

    pub(super) async fn sign_request_v1_with_async_body_reader(
        cred: &Credential,
        url: &Uri,
        content_type: Option<&HeaderValue>,
        body: &mut (dyn AsyncRead + Send + Unpin),
    ) -> IoResult<String> {
        let mut hmac = new_hmac_sha1(cred.secret_key());
        _sign_request_v1_without_body(&mut hmac, url);
        if let Some(content_type) = content_type {
            if will_push_body_v1(content_type) {
                copy_async_reader_to_hmac_sha1(&mut hmac, body).await?;
            }
        }
        Ok(base64ed_hmac_sha1_with_access_key(cred.access_key().to_string(), hmac))
    }

    pub(super) async fn sign_request_v2_with_async_body_reader(
        cred: &Credential,
        method: &Method,
        url: &Uri,
        headers: &HeaderMap,
        body: &mut (dyn AsyncRead + Send + Unpin),
    ) -> IoResult<String> {
        let mut hmac = new_hmac_sha1(cred.secret_key());
        _sign_request_v2_without_body(&mut hmac, method, url, headers);
        if let Some(content_type) = headers.get(CONTENT_TYPE) {
            if will_push_body_v2(content_type) {
                copy_async_reader_to_hmac_sha1(&mut hmac, body).await?;
            }
        }
        Ok(base64ed_hmac_sha1_with_access_key(cred.access_key().to_string(), hmac))
    }

    pub(super) async fn copy_async_reader_to_hmac_sha1(
        hmac: &mut Hmac<Sha1>,
        reader: &mut (dyn AsyncRead + Send + Unpin),
    ) -> IoResult<u64> {
        use futures_lite::io::{copy as async_io_copy, AsyncWrite};

        struct AsyncHmacWriter<'a>(&'a mut Hmac<Sha1>);

        impl AsyncWrite for AsyncHmacWriter<'_> {
            #[inline]
            fn poll_write(self: Pin<&mut Self>, _cx: &mut Context<'_>, buf: &[u8]) -> Poll<IoResult<usize>> {
                #[allow(unsafe_code)]
                unsafe { self.get_unchecked_mut() }.0.update(buf);
                Poll::Ready(Ok(buf.len()))
            }

            #[inline]
            fn poll_flush(self: Pin<&mut Self>, _cx: &mut Context<'_>) -> Poll<IoResult<()>> {
                Poll::Ready(Ok(()))
            }

            #[inline]
            fn poll_close(self: Pin<&mut Self>, _cx: &mut Context<'_>) -> Poll<IoResult<()>> {
                Poll::Ready(Ok(()))
            }
        }

        async_io_copy(reader, &mut AsyncHmacWriter(hmac)).await
    }
}

#[cfg(feature = "async")]
#[cfg_attr(feature = "docs", doc(cfg(feature = "async")))]
pub use futures_lite::AsyncRead;

#[cfg(feature = "async")]
use {
    async_sign::*,
    std::{future::Future, pin::Pin},
};

#[cfg(feature = "async")]
type AsyncIoResult<'a, T> = Pin<Box<dyn Future<Output = IoResult<T>> + 'a + Send>>;

/// 认证信息获取接口
#[clonable]
#[auto_impl(&, &mut, Box, Rc, Arc)]
pub trait CredentialProvider: Clone + Debug + Sync + Send {
    /// 返回七牛认证信息
    ///
    /// 该方法的异步版本为 [`Self::async_get`]。
    fn get(&self, opts: GetOptions) -> IoResult<GotCredential>;

    /// 异步返回七牛认证信息
    #[inline]
    #[cfg(feature = "async")]
    #[cfg_attr(feature = "docs", doc(cfg(feature = "async")))]
    fn async_get(&self, opts: GetOptions) -> AsyncIoResult<'_, GotCredential> {
        Box::pin(async move { self.get(opts) })
    }
}

impl CredentialProvider for Credential {
    #[inline]
    fn get(&self, _opts: GetOptions) -> IoResult<GotCredential> {
        Ok(self.to_owned().into())
    }
}

/// 获取认证信息的选项
#[derive(Copy, Clone, Debug, Default)]
pub struct GetOptions {}

/// 获取的认证信息
///
/// 该数据结构目前和认证信息相同,可以和认证信息相互转换,但之后可能会添加更多字段
#[derive(Clone, Debug, PartialEq, Eq)]
pub struct GotCredential(Credential);

impl From<GotCredential> for Credential {
    #[inline]
    fn from(result: GotCredential) -> Self {
        result.into_credential()
    }
}

impl From<Credential> for GotCredential {
    #[inline]
    fn from(credential: Credential) -> Self {
        Self(credential)
    }
}

impl GotCredential {
    /// 获取认证信息
    #[inline]
    pub fn credential(&self) -> &Credential {
        &self.0
    }

    /// 获取认证信息的可变引用
    #[inline]
    pub fn credential_mut(&mut self) -> &mut Credential {
        &mut self.0
    }

    /// 转换为认证信息
    #[inline]
    pub fn into_credential(self) -> Credential {
        self.0
    }
}

impl Deref for GotCredential {
    type Target = Credential;

    #[inline]
    fn deref(&self) -> &Self::Target {
        &self.0
    }
}

impl DerefMut for GotCredential {
    #[inline]
    fn deref_mut(&mut self) -> &mut Self::Target {
        &mut self.0
    }
}

impl CredentialProvider for GotCredential {
    #[inline]
    fn get(&self, _opts: GetOptions) -> IoResult<GotCredential> {
        Ok(self.to_owned())
    }
}

/// 全局认证信息提供者,可以将认证信息配置在全局变量中。任何全局认证信息提供者实例都可以设置和访问全局认证信息。
#[derive(Copy, Clone, Eq, PartialEq)]
pub struct GlobalCredentialProvider;

static GLOBAL_CREDENTIAL: Lazy<RwLock<Option<Credential>>> = Lazy::new(|| RwLock::new(None));

impl GlobalCredentialProvider {
    /// 配置全局认证信息
    #[inline]
    pub fn setup(credential: Credential) {
        let mut global_credential = GLOBAL_CREDENTIAL.write().unwrap();
        *global_credential = Some(credential);
    }

    /// 清空全局认证信息
    #[inline]
    pub fn clear() {
        let mut global_credential = GLOBAL_CREDENTIAL.write().unwrap();
        *global_credential = None;
    }
}

impl CredentialProvider for GlobalCredentialProvider {
    #[inline]
    fn get(&self, _opts: GetOptions) -> IoResult<GotCredential> {
        if let Some(credential) = GLOBAL_CREDENTIAL.read().unwrap().as_ref() {
            Ok(credential.to_owned().into())
        } else {
            Err(IoError::new(
                IoErrorKind::Other,
                "GlobalCredentialProvider is not setuped, please call GlobalCredentialProvider::setup() to do it",
            ))
        }
    }
}

impl Debug for GlobalCredentialProvider {
    #[inline]
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        let mut d = f.debug_struct("GlobalCredentialProvider");
        d.field("credential", &GLOBAL_CREDENTIAL.read().unwrap());
        d.finish()
    }
}

/// 环境变量认证信息提供者,可以将认证信息配置在环境变量中。
#[derive(Copy, Clone, Eq, PartialEq)]
pub struct EnvCredentialProvider;

/// 设置七牛 AccessKey 的环境变量
pub const QINIU_ACCESS_KEY_ENV_KEY: &str = "QINIU_ACCESS_KEY";
/// 设置七牛 SecretKey 的环境变量
pub const QINIU_SECRET_KEY_ENV_KEY: &str = "QINIU_SECRET_KEY";

impl EnvCredentialProvider {
    /// 配置环境变量认证信息提供者
    #[inline]
    pub fn setup(credential: &Credential) {
        env::set_var(QINIU_ACCESS_KEY_ENV_KEY, credential.access_key().as_str());
        env::set_var(QINIU_SECRET_KEY_ENV_KEY, credential.secret_key().as_str());
    }

获取认证信息的 SecretKey

Examples found in repository?
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    fn sign_within<E, F: FnOnce(&mut Hmac<Sha1>) -> Result<(), E>>(&self, f: F) -> Result<String, E> {
        let signature = generate_base64ed_hmac_sha1_digest_within(self.secret_key(), f)?;
        Ok(self.access_key().to_string() + ":" + &signature)
    }

    /// 使用七牛签名算法对数据进行签名,并同时给出签名和原数据
    ///
    /// 参考[上传凭证的签名算法文档](https://developer.qiniu.com/kodo/manual/1208/upload-token)
    ///
    /// ```
    /// use qiniu_credential::{Credential, prelude::*};
    /// use std::io::Cursor;
    /// # fn main() -> anyhow::Result<()> {
    /// let credential = Credential::new("abcdefghklmnopq", "1234567890");
    /// assert_eq!(
    ///     credential.get(Default::default())?.sign_with_data(b"hello"),
    ///     "abcdefghklmnopq:BZYt5uVRy1RVt5ZTXbaIt2ROVMA=:aGVsbG8="
    /// );
    /// # Ok(())
    /// # }
    /// ```
    pub fn sign_with_data(&self, data: &[u8]) -> String {
        let encoded_data = base64::urlsafe(data);
        self.sign(encoded_data.as_bytes()) + ":" + &encoded_data
    }

    /// 使用七牛签名算法 V1 对 HTTP 请求(请求体为内存数据)进行签名,返回 Authorization 的值
    ///
    /// ```
    /// use qiniu_credential::{Credential, HeaderValue, prelude::*};
    /// use mime::APPLICATION_WWW_FORM_URLENCODED;
    /// use std::io::Cursor;
    /// # fn main() -> anyhow::Result<()> {
    /// let credential = Credential::new("abcdefghklmnopq", "1234567890");
    /// let authorization = credential
    ///     .get(Default::default())?
    ///     .authorization_v1_for_request(
    ///         &"http://upload.qiniup.com/".parse()?,
    ///         Some(&HeaderValue::from_str(APPLICATION_WWW_FORM_URLENCODED.as_ref())?),
    ///         b"name=test&language=go"
    ///     );
    /// # Ok(())
    /// # }
    /// ```
    pub fn authorization_v1_for_request(&self, url: &Uri, content_type: Option<&HeaderValue>, body: &[u8]) -> String {
        let authorization_token = sign_request_v1(self, url, content_type, body);
        "QBox ".to_owned() + &authorization_token
    }

    /// 使用七牛签名算法 V1 对 HTTP 请求(请求体为输入流)进行签名,返回 Authorization 的值
    ///
    /// 该方法的异步版本为 [`Credential::authorization_v1_for_request_with_async_body_reader`]。
    ///
    /// ```
    /// use qiniu_credential::{Credential, HeaderValue, prelude::*};
    /// use std::io::Cursor;
    /// use mime::APPLICATION_WWW_FORM_URLENCODED;
    /// # fn main() -> anyhow::Result<()> {
    /// let credential = Credential::new("abcdefghklmnopq", "1234567890");
    /// let authorization = credential
    ///     .get(Default::default())?
    ///     .authorization_v1_for_request_with_body_reader(
    ///         &"http://upload.qiniup.com/".parse()?,
    ///         Some(&HeaderValue::from_str(APPLICATION_WWW_FORM_URLENCODED.as_ref())?),
    ///         &mut Cursor::new(b"name=test&language=go")
    ///     )?;
    /// # Ok(())
    /// # }
    /// ```
    pub fn authorization_v1_for_request_with_body_reader(
        &self,
        url: &Uri,
        content_type: Option<&HeaderValue>,
        body: &mut dyn Read,
    ) -> IoResult<String> {
        let authorization_token = sign_request_v1_with_body_reader(self, url, content_type, body)?;
        Ok("QBox ".to_owned() + &authorization_token)
    }

    /// 使用七牛签名算法 V2 对 HTTP 请求(请求体为内存数据)进行签名,返回 Authorization 的值
    ///
    /// ```
    /// use qiniu_credential::{Credential, Method, HeaderMap, HeaderValue, prelude::*};
    /// use http::header::CONTENT_TYPE;
    /// use mime::APPLICATION_JSON;
    /// # fn main() -> anyhow::Result<()> {
    /// let credential = Credential::new("abcdefghklmnopq", "1234567890");
    /// let mut headers = HeaderMap::new();
    /// headers.insert(CONTENT_TYPE, HeaderValue::from_str(APPLICATION_JSON.as_ref())?);
    /// let authorization = credential
    ///     .get(Default::default())?
    ///     .authorization_v2_for_request(
    ///         &Method::GET,
    ///         &"http://upload.qiniup.com/".parse()?,
    ///         &headers,
    ///         b"{\"name\":\"test\"}".as_slice(),
    ///     );
    /// # Ok(())
    /// # }
    /// ```
    pub fn authorization_v2_for_request(&self, method: &Method, url: &Uri, headers: &HeaderMap, body: &[u8]) -> String {
        let authorization_token = sign_request_v2(self, method, url, headers, body);
        "Qiniu ".to_owned() + &authorization_token
    }

    /// 使用七牛签名算法 V2 对 HTTP 请求(请求体为输入流)进行签名,返回 Authorization 的值
    ///
    /// 该方法的异步版本为 [`Credential::authorization_v2_for_request_with_async_body_reader`]。
    ///
    /// ```
    /// use qiniu_credential::{Credential, Method, HeaderMap, HeaderValue, prelude::*};
    /// use http::header::CONTENT_TYPE;
    /// use mime::APPLICATION_JSON;
    /// use std::io::Cursor;
    /// # fn main() -> anyhow::Result<()> {
    /// let credential = Credential::new("abcdefghklmnopq", "1234567890");
    /// let mut headers = HeaderMap::new();
    /// headers.insert(CONTENT_TYPE, HeaderValue::from_str(APPLICATION_JSON.as_ref())?);
    /// let authorization = credential
    ///     .get(Default::default())?
    ///     .authorization_v2_for_request_with_body_reader(
    ///         &Method::GET,
    ///         &"http://upload.qiniup.com/".parse()?,
    ///         &headers,
    ///         &mut Cursor::new(b"{\"name\":\"test\"}")
    ///     )?;
    /// # Ok(())
    /// # }
    /// ```
    pub fn authorization_v2_for_request_with_body_reader(
        &self,
        method: &Method,
        url: &Uri,
        headers: &HeaderMap,
        body: &mut dyn Read,
    ) -> IoResult<String> {
        let authorization_token = sign_request_v2_with_body_reader(self, method, url, headers, body)?;
        Ok("Qiniu ".to_owned() + &authorization_token)
    }

    /// 对对象的下载 URL 签名,可以生成私有存储空间的下载地址
    ///
    /// ```
    /// use qiniu_credential::{Credential, prelude::*};
    /// use std::time::Duration;
    /// # fn main() -> anyhow::Result<()> {
    /// let credential = Credential::new("abcdefghklmnopq", "1234567890");
    /// let url = "http://www.qiniu.com/?go=1".parse()?;
    /// let url = credential
    ///     .get(Default::default())?
    ///     .sign_download_url(url, Duration::from_secs(3600));
    /// println!("{}", url);
    /// Ok(())
    /// }
    /// ```
    pub fn sign_download_url(&self, url: Uri, lifetime: Duration) -> Uri {
        let deadline = SystemTime::now() + lifetime;
        let deadline = deadline
            .duration_since(UNIX_EPOCH)
            .expect("Invalid UNIX Timestamp")
            .as_secs();
        let to_sign = append_query_pairs_to_url(url, &[("e", &deadline.to_string())]);
        let signature = self.sign(to_sign.to_string().as_bytes());
        return append_query_pairs_to_url(to_sign, &[("token", &signature)]);

        fn append_query_pairs_to_url(url: Uri, pairs: &[(&str, &str)]) -> Uri {
            let path_string = url.path().to_owned();
            let query_string = url.query().unwrap_or_default().to_owned();
            let mut serializer = form_urlencoded::Serializer::new(query_string);
            for (key, value) in pairs.iter() {
                serializer.append_pair(key, value);
            }
            let query_string = serializer.finish();
            let mut path_and_query = path_string;
            if !query_string.is_empty() {
                path_and_query.push('?');
                path_and_query.push_str(&query_string);
            }
            let parts = url.into_parts();
            let mut builder = Uri::builder();
            if let Some(scheme) = parts.scheme {
                builder = builder.scheme(scheme);
            }
            if let Some(authority) = parts.authority {
                builder = builder.authority(authority);
            }
            builder.path_and_query(&path_and_query).build().unwrap()
        }
    }

    #[allow(dead_code)]
    fn assert() {
        assert_impl!(Send: Self);
        assert_impl!(Sync: Self);
    }
}

#[cfg(feature = "async")]
impl Credential {
    /// 使用七牛签名算法对异步输入流数据进行签名
    ///
    /// 参考[管理凭证的签名算法文档](https://developer.qiniu.com/kodo/manual/1201/access-token)
    ///
    /// ```
    /// use qiniu_credential::{Credential, prelude::*};
    /// use futures_lite::io::Cursor;
    /// # async fn f() -> anyhow::Result<()> {
    /// let credential = Credential::new("abcdefghklmnopq", "1234567890");
    /// assert_eq!(
    ///     credential
    ///         .async_get(Default::default()).await?
    ///         .sign_async_reader(&mut Cursor::new(b"world")).await?,
    ///     "abcdefghklmnopq:VjgXt0P_nCxHuaTfiFz-UjDJ1AQ="
    /// );
    /// # Ok(())
    /// # }
    /// ```
    #[cfg_attr(feature = "docs", doc(cfg(feature = "async")))]
    pub async fn sign_async_reader(&self, reader: &mut (dyn AsyncRead + Send + Unpin)) -> IoResult<String> {
        let mut hmac = new_hmac_sha1(self.secret_key());
        copy_async_reader_to_hmac_sha1(&mut hmac, reader).await?;
        Ok(base64ed_hmac_sha1_with_access_key(self.access_key().to_string(), hmac))
    }

    /// 使用七牛签名算法 V1 对 HTTP 请求(请求体为异步输入流)进行签名,返回 Authorization 的值
    ///
    /// ```
    /// use qiniu_credential::{Credential, HeaderValue, prelude::*};
    /// use mime::APPLICATION_WWW_FORM_URLENCODED;
    /// use futures_lite::io::Cursor;
    /// # async fn f() -> anyhow::Result<()> {
    /// let credential = Credential::new("abcdefghklmnopq", "1234567890");
    /// let authorization = credential
    ///     .async_get(Default::default()).await?
    ///     .authorization_v1_for_request_with_async_body_reader(
    ///         &"http://upload.qiniup.com/".parse()?,
    ///         Some(&HeaderValue::from_str(APPLICATION_WWW_FORM_URLENCODED.as_ref())?),
    ///         &mut Cursor::new(b"name=test&language=go")
    ///     ).await?;
    /// # Ok(())
    /// # }
    /// ```
    #[cfg_attr(feature = "docs", doc(cfg(feature = "async")))]
    pub async fn authorization_v1_for_request_with_async_body_reader(
        &self,
        url: &Uri,
        content_type: Option<&HeaderValue>,
        body: &mut (dyn AsyncRead + Send + Unpin),
    ) -> IoResult<String> {
        let authorization_token = sign_request_v1_with_async_body_reader(self, url, content_type, body).await?;
        Ok("QBox ".to_owned() + &authorization_token)
    }

    /// 使用七牛签名算法 V2 对 HTTP 请求(请求体为异步输入流)进行签名,返回 Authorization 的值
    ///
    /// ```
    /// use qiniu_credential::{Credential, Method, HeaderMap, HeaderValue, prelude::*};
    /// use http::header::CONTENT_TYPE;
    /// use mime::APPLICATION_JSON;
    /// use futures_lite::io::Cursor;
    /// #[async_std::main]
    /// # async fn main() -> anyhow::Result<()> {
    /// let credential = Credential::new("abcdefghklmnopq", "1234567890");
    /// let mut headers = HeaderMap::new();
    /// headers.insert(CONTENT_TYPE, HeaderValue::from_str(APPLICATION_JSON.as_ref())?);
    /// let authorization = credential
    ///     .async_get(Default::default()).await?
    ///     .authorization_v2_for_request_with_async_body_reader(
    ///         &Method::GET,
    ///         &"http://upload.qiniup.com/".parse()?,
    ///         &headers,
    ///         &mut Cursor::new(b"{\"name\":\"test\"}")
    ///     ).await?;
    /// # Ok(())
    /// # }
    /// ```
    #[cfg_attr(feature = "docs", doc(cfg(feature = "async")))]
    pub async fn authorization_v2_for_request_with_async_body_reader(
        &self,
        method: &Method,
        url: &Uri,
        headers: &HeaderMap,
        body: &mut (dyn AsyncRead + Send + Unpin),
    ) -> IoResult<String> {
        let authorization_token = sign_request_v2_with_async_body_reader(self, method, url, headers, body).await?;
        Ok("Qiniu ".to_owned() + &authorization_token)
    }
}

fn sign_request_v1(cred: &Credential, url: &Uri, content_type: Option<&HeaderValue>, body: &[u8]) -> String {
    cred.sign_within::<IoError, _>(|hmac| {
        _sign_request_v1_without_body(hmac, url);
        if let Some(content_type) = content_type {
            if !body.is_empty() && will_push_body_v1(content_type) {
                hmac.update(body);
            }
        }
        Ok(())
    })
    .unwrap()
}

fn sign_request_v1_with_body_reader(
    cred: &Credential,
    url: &Uri,
    content_type: Option<&HeaderValue>,
    body: &mut dyn Read,
) -> IoResult<String> {
    cred.sign_within(|hmac| {
        _sign_request_v1_without_body(hmac, url);
        if let Some(content_type) = content_type {
            if will_push_body_v1(content_type) {
                copy(body, hmac)?;
            }
        }
        Ok(())
    })
}

fn _sign_request_v1_without_body(digest: &mut Hmac<Sha1>, url: &Uri) {
    digest.update(url.path().as_bytes());
    if let Some(query) = url.query() {
        if !query.is_empty() {
            digest.update(b"?");
            digest.update(query.as_bytes());
        }
    }
    digest.update(b"\n");
}

fn sign_request_v2(cred: &Credential, method: &Method, url: &Uri, headers: &HeaderMap, body: &[u8]) -> String {
    cred.sign_within::<IoError, _>(|hmac| {
        _sign_request_v2_without_body(hmac, method, url, headers);
        if let Some(content_type) = headers.get(CONTENT_TYPE) {
            if will_push_body_v2(content_type) {
                hmac.update(body);
            }
        }
        Ok(())
    })
    .unwrap()
}

fn sign_request_v2_with_body_reader(
    cred: &Credential,
    method: &Method,
    url: &Uri,
    headers: &HeaderMap,
    body: &mut dyn Read,
) -> IoResult<String> {
    cred.sign_within(|hmac| {
        _sign_request_v2_without_body(hmac, method, url, headers);
        if let Some(content_type) = headers.get(CONTENT_TYPE) {
            if will_push_body_v2(content_type) {
                copy(body, hmac)?;
            }
        }
        Ok(())
    })
}

fn _sign_request_v2_without_body(digest: &mut Hmac<Sha1>, method: &Method, url: &Uri, headers: &HeaderMap) {
    digest.update(method.as_str().as_bytes());
    digest.update(b" ");
    digest.update(url.path().as_bytes());
    if let Some(query) = url.query() {
        if !query.is_empty() {
            digest.update(b"?");
            digest.update(query.as_bytes());
        }
    }
    if let Some(host) = url.host() {
        digest.update(b"\nHost: ");
        digest.update(host.as_bytes());
    }
    if let Some(port) = url.port() {
        digest.update(b":");
        digest.update(port.to_string().as_bytes());
    }
    digest.update(b"\n");

    if let Some(content_type) = headers.get(CONTENT_TYPE) {
        digest.update(b"Content-Type: ");
        digest.update(content_type.as_bytes());
        digest.update(b"\n");
    }
    _sign_data_for_x_qiniu_headers(digest, headers);
    digest.update(b"\n");
    return;

    fn _sign_data_for_x_qiniu_headers(digest: &mut Hmac<Sha1>, headers: &HeaderMap) {
        let mut x_qiniu_headers = headers
            .iter()
            .map(|(key, value)| (make_header_name(key.as_str().into()), value.as_bytes()))
            .filter(|(key, _)| key.len() > "X-Qiniu-".len())
            .filter(|(key, _)| key.starts_with("X-Qiniu-"))
            .collect::<Vec<_>>();
        if x_qiniu_headers.is_empty() {
            return;
        }
        x_qiniu_headers.sort_unstable();
        for (header_key, header_value) in x_qiniu_headers {
            digest.update(header_key.as_bytes());
            digest.update(b": ");
            digest.update(header_value);
            digest.update(b"\n");
        }
    }
}

fn generate_base64ed_hmac_sha1_digest_within<E, F: FnOnce(&mut Hmac<Sha1>) -> Result<(), E>>(
    secret_key: &str,
    f: F,
) -> Result<String, E> {
    let mut hmac = new_hmac_sha1(secret_key);
    f(&mut hmac)?;
    Ok(base64ed_hmac_sha1(hmac))
}

fn new_hmac_sha1(secret_key: &str) -> Hmac<Sha1> {
    Hmac::<Sha1>::new_from_slice(secret_key.as_bytes()).unwrap()
}

fn base64ed_hmac_sha1(hmac: Hmac<Sha1>) -> String {
    base64::urlsafe(&hmac.finalize().into_bytes())
}

#[cfg(feature = "async")]
fn base64ed_hmac_sha1_with_access_key(access_key: String, hmac: Hmac<Sha1>) -> String {
    access_key + ":" + &base64ed_hmac_sha1(hmac)
}

fn will_push_body_v1(content_type: &HeaderValue) -> bool {
    APPLICATION_WWW_FORM_URLENCODED.as_ref() == content_type
}

fn will_push_body_v2(content_type: &HeaderValue) -> bool {
    APPLICATION_OCTET_STREAM.as_ref() != content_type
}

#[cfg(feature = "async")]
mod async_sign {
    use super::*;
    use futures_lite::io::AsyncRead;
    use std::task::{Context, Poll};

    pub(super) async fn sign_request_v1_with_async_body_reader(
        cred: &Credential,
        url: &Uri,
        content_type: Option<&HeaderValue>,
        body: &mut (dyn AsyncRead + Send + Unpin),
    ) -> IoResult<String> {
        let mut hmac = new_hmac_sha1(cred.secret_key());
        _sign_request_v1_without_body(&mut hmac, url);
        if let Some(content_type) = content_type {
            if will_push_body_v1(content_type) {
                copy_async_reader_to_hmac_sha1(&mut hmac, body).await?;
            }
        }
        Ok(base64ed_hmac_sha1_with_access_key(cred.access_key().to_string(), hmac))
    }

    pub(super) async fn sign_request_v2_with_async_body_reader(
        cred: &Credential,
        method: &Method,
        url: &Uri,
        headers: &HeaderMap,
        body: &mut (dyn AsyncRead + Send + Unpin),
    ) -> IoResult<String> {
        let mut hmac = new_hmac_sha1(cred.secret_key());
        _sign_request_v2_without_body(&mut hmac, method, url, headers);
        if let Some(content_type) = headers.get(CONTENT_TYPE) {
            if will_push_body_v2(content_type) {
                copy_async_reader_to_hmac_sha1(&mut hmac, body).await?;
            }
        }
        Ok(base64ed_hmac_sha1_with_access_key(cred.access_key().to_string(), hmac))
    }

    pub(super) async fn copy_async_reader_to_hmac_sha1(
        hmac: &mut Hmac<Sha1>,
        reader: &mut (dyn AsyncRead + Send + Unpin),
    ) -> IoResult<u64> {
        use futures_lite::io::{copy as async_io_copy, AsyncWrite};

        struct AsyncHmacWriter<'a>(&'a mut Hmac<Sha1>);

        impl AsyncWrite for AsyncHmacWriter<'_> {
            #[inline]
            fn poll_write(self: Pin<&mut Self>, _cx: &mut Context<'_>, buf: &[u8]) -> Poll<IoResult<usize>> {
                #[allow(unsafe_code)]
                unsafe { self.get_unchecked_mut() }.0.update(buf);
                Poll::Ready(Ok(buf.len()))
            }

            #[inline]
            fn poll_flush(self: Pin<&mut Self>, _cx: &mut Context<'_>) -> Poll<IoResult<()>> {
                Poll::Ready(Ok(()))
            }

            #[inline]
            fn poll_close(self: Pin<&mut Self>, _cx: &mut Context<'_>) -> Poll<IoResult<()>> {
                Poll::Ready(Ok(()))
            }
        }

        async_io_copy(reader, &mut AsyncHmacWriter(hmac)).await
    }
}

#[cfg(feature = "async")]
#[cfg_attr(feature = "docs", doc(cfg(feature = "async")))]
pub use futures_lite::AsyncRead;

#[cfg(feature = "async")]
use {
    async_sign::*,
    std::{future::Future, pin::Pin},
};

#[cfg(feature = "async")]
type AsyncIoResult<'a, T> = Pin<Box<dyn Future<Output = IoResult<T>> + 'a + Send>>;

/// 认证信息获取接口
#[clonable]
#[auto_impl(&, &mut, Box, Rc, Arc)]
pub trait CredentialProvider: Clone + Debug + Sync + Send {
    /// 返回七牛认证信息
    ///
    /// 该方法的异步版本为 [`Self::async_get`]。
    fn get(&self, opts: GetOptions) -> IoResult<GotCredential>;

    /// 异步返回七牛认证信息
    #[inline]
    #[cfg(feature = "async")]
    #[cfg_attr(feature = "docs", doc(cfg(feature = "async")))]
    fn async_get(&self, opts: GetOptions) -> AsyncIoResult<'_, GotCredential> {
        Box::pin(async move { self.get(opts) })
    }
}

impl CredentialProvider for Credential {
    #[inline]
    fn get(&self, _opts: GetOptions) -> IoResult<GotCredential> {
        Ok(self.to_owned().into())
    }
}

/// 获取认证信息的选项
#[derive(Copy, Clone, Debug, Default)]
pub struct GetOptions {}

/// 获取的认证信息
///
/// 该数据结构目前和认证信息相同,可以和认证信息相互转换,但之后可能会添加更多字段
#[derive(Clone, Debug, PartialEq, Eq)]
pub struct GotCredential(Credential);

impl From<GotCredential> for Credential {
    #[inline]
    fn from(result: GotCredential) -> Self {
        result.into_credential()
    }
}

impl From<Credential> for GotCredential {
    #[inline]
    fn from(credential: Credential) -> Self {
        Self(credential)
    }
}

impl GotCredential {
    /// 获取认证信息
    #[inline]
    pub fn credential(&self) -> &Credential {
        &self.0
    }

    /// 获取认证信息的可变引用
    #[inline]
    pub fn credential_mut(&mut self) -> &mut Credential {
        &mut self.0
    }

    /// 转换为认证信息
    #[inline]
    pub fn into_credential(self) -> Credential {
        self.0
    }
}

impl Deref for GotCredential {
    type Target = Credential;

    #[inline]
    fn deref(&self) -> &Self::Target {
        &self.0
    }
}

impl DerefMut for GotCredential {
    #[inline]
    fn deref_mut(&mut self) -> &mut Self::Target {
        &mut self.0
    }
}

impl CredentialProvider for GotCredential {
    #[inline]
    fn get(&self, _opts: GetOptions) -> IoResult<GotCredential> {
        Ok(self.to_owned())
    }
}

/// 全局认证信息提供者,可以将认证信息配置在全局变量中。任何全局认证信息提供者实例都可以设置和访问全局认证信息。
#[derive(Copy, Clone, Eq, PartialEq)]
pub struct GlobalCredentialProvider;

static GLOBAL_CREDENTIAL: Lazy<RwLock<Option<Credential>>> = Lazy::new(|| RwLock::new(None));

impl GlobalCredentialProvider {
    /// 配置全局认证信息
    #[inline]
    pub fn setup(credential: Credential) {
        let mut global_credential = GLOBAL_CREDENTIAL.write().unwrap();
        *global_credential = Some(credential);
    }

    /// 清空全局认证信息
    #[inline]
    pub fn clear() {
        let mut global_credential = GLOBAL_CREDENTIAL.write().unwrap();
        *global_credential = None;
    }
}

impl CredentialProvider for GlobalCredentialProvider {
    #[inline]
    fn get(&self, _opts: GetOptions) -> IoResult<GotCredential> {
        if let Some(credential) = GLOBAL_CREDENTIAL.read().unwrap().as_ref() {
            Ok(credential.to_owned().into())
        } else {
            Err(IoError::new(
                IoErrorKind::Other,
                "GlobalCredentialProvider is not setuped, please call GlobalCredentialProvider::setup() to do it",
            ))
        }
    }
}

impl Debug for GlobalCredentialProvider {
    #[inline]
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        let mut d = f.debug_struct("GlobalCredentialProvider");
        d.field("credential", &GLOBAL_CREDENTIAL.read().unwrap());
        d.finish()
    }
}

/// 环境变量认证信息提供者,可以将认证信息配置在环境变量中。
#[derive(Copy, Clone, Eq, PartialEq)]
pub struct EnvCredentialProvider;

/// 设置七牛 AccessKey 的环境变量
pub const QINIU_ACCESS_KEY_ENV_KEY: &str = "QINIU_ACCESS_KEY";
/// 设置七牛 SecretKey 的环境变量
pub const QINIU_SECRET_KEY_ENV_KEY: &str = "QINIU_SECRET_KEY";

impl EnvCredentialProvider {
    /// 配置环境变量认证信息提供者
    #[inline]
    pub fn setup(credential: &Credential) {
        env::set_var(QINIU_ACCESS_KEY_ENV_KEY, credential.access_key().as_str());
        env::set_var(QINIU_SECRET_KEY_ENV_KEY, credential.secret_key().as_str());
    }

使用七牛签名算法对数据进行签名

参考管理凭证的签名算法文档

use qiniu_credential::{Credential, prelude::*};
let credential = Credential::new("abcdefghklmnopq", "1234567890");
assert_eq!(
    credential.get(Default::default())?.sign(b"hello"),
    "abcdefghklmnopq:b84KVc-LroDiz0ebUANfdzSRxa0="
);
Examples found in repository?
src/lib.rs (line 242)
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    pub fn sign_with_data(&self, data: &[u8]) -> String {
        let encoded_data = base64::urlsafe(data);
        self.sign(encoded_data.as_bytes()) + ":" + &encoded_data
    }

    /// 使用七牛签名算法 V1 对 HTTP 请求(请求体为内存数据)进行签名,返回 Authorization 的值
    ///
    /// ```
    /// use qiniu_credential::{Credential, HeaderValue, prelude::*};
    /// use mime::APPLICATION_WWW_FORM_URLENCODED;
    /// use std::io::Cursor;
    /// # fn main() -> anyhow::Result<()> {
    /// let credential = Credential::new("abcdefghklmnopq", "1234567890");
    /// let authorization = credential
    ///     .get(Default::default())?
    ///     .authorization_v1_for_request(
    ///         &"http://upload.qiniup.com/".parse()?,
    ///         Some(&HeaderValue::from_str(APPLICATION_WWW_FORM_URLENCODED.as_ref())?),
    ///         b"name=test&language=go"
    ///     );
    /// # Ok(())
    /// # }
    /// ```
    pub fn authorization_v1_for_request(&self, url: &Uri, content_type: Option<&HeaderValue>, body: &[u8]) -> String {
        let authorization_token = sign_request_v1(self, url, content_type, body);
        "QBox ".to_owned() + &authorization_token
    }

    /// 使用七牛签名算法 V1 对 HTTP 请求(请求体为输入流)进行签名,返回 Authorization 的值
    ///
    /// 该方法的异步版本为 [`Credential::authorization_v1_for_request_with_async_body_reader`]。
    ///
    /// ```
    /// use qiniu_credential::{Credential, HeaderValue, prelude::*};
    /// use std::io::Cursor;
    /// use mime::APPLICATION_WWW_FORM_URLENCODED;
    /// # fn main() -> anyhow::Result<()> {
    /// let credential = Credential::new("abcdefghklmnopq", "1234567890");
    /// let authorization = credential
    ///     .get(Default::default())?
    ///     .authorization_v1_for_request_with_body_reader(
    ///         &"http://upload.qiniup.com/".parse()?,
    ///         Some(&HeaderValue::from_str(APPLICATION_WWW_FORM_URLENCODED.as_ref())?),
    ///         &mut Cursor::new(b"name=test&language=go")
    ///     )?;
    /// # Ok(())
    /// # }
    /// ```
    pub fn authorization_v1_for_request_with_body_reader(
        &self,
        url: &Uri,
        content_type: Option<&HeaderValue>,
        body: &mut dyn Read,
    ) -> IoResult<String> {
        let authorization_token = sign_request_v1_with_body_reader(self, url, content_type, body)?;
        Ok("QBox ".to_owned() + &authorization_token)
    }

    /// 使用七牛签名算法 V2 对 HTTP 请求(请求体为内存数据)进行签名,返回 Authorization 的值
    ///
    /// ```
    /// use qiniu_credential::{Credential, Method, HeaderMap, HeaderValue, prelude::*};
    /// use http::header::CONTENT_TYPE;
    /// use mime::APPLICATION_JSON;
    /// # fn main() -> anyhow::Result<()> {
    /// let credential = Credential::new("abcdefghklmnopq", "1234567890");
    /// let mut headers = HeaderMap::new();
    /// headers.insert(CONTENT_TYPE, HeaderValue::from_str(APPLICATION_JSON.as_ref())?);
    /// let authorization = credential
    ///     .get(Default::default())?
    ///     .authorization_v2_for_request(
    ///         &Method::GET,
    ///         &"http://upload.qiniup.com/".parse()?,
    ///         &headers,
    ///         b"{\"name\":\"test\"}".as_slice(),
    ///     );
    /// # Ok(())
    /// # }
    /// ```
    pub fn authorization_v2_for_request(&self, method: &Method, url: &Uri, headers: &HeaderMap, body: &[u8]) -> String {
        let authorization_token = sign_request_v2(self, method, url, headers, body);
        "Qiniu ".to_owned() + &authorization_token
    }

    /// 使用七牛签名算法 V2 对 HTTP 请求(请求体为输入流)进行签名,返回 Authorization 的值
    ///
    /// 该方法的异步版本为 [`Credential::authorization_v2_for_request_with_async_body_reader`]。
    ///
    /// ```
    /// use qiniu_credential::{Credential, Method, HeaderMap, HeaderValue, prelude::*};
    /// use http::header::CONTENT_TYPE;
    /// use mime::APPLICATION_JSON;
    /// use std::io::Cursor;
    /// # fn main() -> anyhow::Result<()> {
    /// let credential = Credential::new("abcdefghklmnopq", "1234567890");
    /// let mut headers = HeaderMap::new();
    /// headers.insert(CONTENT_TYPE, HeaderValue::from_str(APPLICATION_JSON.as_ref())?);
    /// let authorization = credential
    ///     .get(Default::default())?
    ///     .authorization_v2_for_request_with_body_reader(
    ///         &Method::GET,
    ///         &"http://upload.qiniup.com/".parse()?,
    ///         &headers,
    ///         &mut Cursor::new(b"{\"name\":\"test\"}")
    ///     )?;
    /// # Ok(())
    /// # }
    /// ```
    pub fn authorization_v2_for_request_with_body_reader(
        &self,
        method: &Method,
        url: &Uri,
        headers: &HeaderMap,
        body: &mut dyn Read,
    ) -> IoResult<String> {
        let authorization_token = sign_request_v2_with_body_reader(self, method, url, headers, body)?;
        Ok("Qiniu ".to_owned() + &authorization_token)
    }

    /// 对对象的下载 URL 签名,可以生成私有存储空间的下载地址
    ///
    /// ```
    /// use qiniu_credential::{Credential, prelude::*};
    /// use std::time::Duration;
    /// # fn main() -> anyhow::Result<()> {
    /// let credential = Credential::new("abcdefghklmnopq", "1234567890");
    /// let url = "http://www.qiniu.com/?go=1".parse()?;
    /// let url = credential
    ///     .get(Default::default())?
    ///     .sign_download_url(url, Duration::from_secs(3600));
    /// println!("{}", url);
    /// Ok(())
    /// }
    /// ```
    pub fn sign_download_url(&self, url: Uri, lifetime: Duration) -> Uri {
        let deadline = SystemTime::now() + lifetime;
        let deadline = deadline
            .duration_since(UNIX_EPOCH)
            .expect("Invalid UNIX Timestamp")
            .as_secs();
        let to_sign = append_query_pairs_to_url(url, &[("e", &deadline.to_string())]);
        let signature = self.sign(to_sign.to_string().as_bytes());
        return append_query_pairs_to_url(to_sign, &[("token", &signature)]);

        fn append_query_pairs_to_url(url: Uri, pairs: &[(&str, &str)]) -> Uri {
            let path_string = url.path().to_owned();
            let query_string = url.query().unwrap_or_default().to_owned();
            let mut serializer = form_urlencoded::Serializer::new(query_string);
            for (key, value) in pairs.iter() {
                serializer.append_pair(key, value);
            }
            let query_string = serializer.finish();
            let mut path_and_query = path_string;
            if !query_string.is_empty() {
                path_and_query.push('?');
                path_and_query.push_str(&query_string);
            }
            let parts = url.into_parts();
            let mut builder = Uri::builder();
            if let Some(scheme) = parts.scheme {
                builder = builder.scheme(scheme);
            }
            if let Some(authority) = parts.authority {
                builder = builder.authority(authority);
            }
            builder.path_and_query(&path_and_query).build().unwrap()
        }
    }

使用七牛签名算法对输入流数据进行签名

该方法的异步版本为 Credential::sign_async_reader

参考管理凭证的签名算法文档

use qiniu_credential::{Credential, prelude::*};
use std::io::Cursor;
let credential = Credential::new("abcdefghklmnopq", "1234567890");
assert_eq!(
    credential
        .get(Default::default())?
        .sign_reader(&mut Cursor::new(b"world"))?,
    "abcdefghklmnopq:VjgXt0P_nCxHuaTfiFz-UjDJ1AQ="
);

使用七牛签名算法对数据进行签名,并同时给出签名和原数据

参考上传凭证的签名算法文档

use qiniu_credential::{Credential, prelude::*};
use std::io::Cursor;
let credential = Credential::new("abcdefghklmnopq", "1234567890");
assert_eq!(
    credential.get(Default::default())?.sign_with_data(b"hello"),
    "abcdefghklmnopq:BZYt5uVRy1RVt5ZTXbaIt2ROVMA=:aGVsbG8="
);

使用七牛签名算法 V1 对 HTTP 请求(请求体为内存数据)进行签名,返回 Authorization 的值

use qiniu_credential::{Credential, HeaderValue, prelude::*};
use mime::APPLICATION_WWW_FORM_URLENCODED;
use std::io::Cursor;
let credential = Credential::new("abcdefghklmnopq", "1234567890");
let authorization = credential
    .get(Default::default())?
    .authorization_v1_for_request(
        &"http://upload.qiniup.com/".parse()?,
        Some(&HeaderValue::from_str(APPLICATION_WWW_FORM_URLENCODED.as_ref())?),
        b"name=test&language=go"
    );

使用七牛签名算法 V1 对 HTTP 请求(请求体为输入流)进行签名,返回 Authorization 的值

该方法的异步版本为 Credential::authorization_v1_for_request_with_async_body_reader

use qiniu_credential::{Credential, HeaderValue, prelude::*};
use std::io::Cursor;
use mime::APPLICATION_WWW_FORM_URLENCODED;
let credential = Credential::new("abcdefghklmnopq", "1234567890");
let authorization = credential
    .get(Default::default())?
    .authorization_v1_for_request_with_body_reader(
        &"http://upload.qiniup.com/".parse()?,
        Some(&HeaderValue::from_str(APPLICATION_WWW_FORM_URLENCODED.as_ref())?),
        &mut Cursor::new(b"name=test&language=go")
    )?;

使用七牛签名算法 V2 对 HTTP 请求(请求体为内存数据)进行签名,返回 Authorization 的值

use qiniu_credential::{Credential, Method, HeaderMap, HeaderValue, prelude::*};
use http::header::CONTENT_TYPE;
use mime::APPLICATION_JSON;
let credential = Credential::new("abcdefghklmnopq", "1234567890");
let mut headers = HeaderMap::new();
headers.insert(CONTENT_TYPE, HeaderValue::from_str(APPLICATION_JSON.as_ref())?);
let authorization = credential
    .get(Default::default())?
    .authorization_v2_for_request(
        &Method::GET,
        &"http://upload.qiniup.com/".parse()?,
        &headers,
        b"{\"name\":\"test\"}".as_slice(),
    );

使用七牛签名算法 V2 对 HTTP 请求(请求体为输入流)进行签名,返回 Authorization 的值

该方法的异步版本为 Credential::authorization_v2_for_request_with_async_body_reader

use qiniu_credential::{Credential, Method, HeaderMap, HeaderValue, prelude::*};
use http::header::CONTENT_TYPE;
use mime::APPLICATION_JSON;
use std::io::Cursor;
let credential = Credential::new("abcdefghklmnopq", "1234567890");
let mut headers = HeaderMap::new();
headers.insert(CONTENT_TYPE, HeaderValue::from_str(APPLICATION_JSON.as_ref())?);
let authorization = credential
    .get(Default::default())?
    .authorization_v2_for_request_with_body_reader(
        &Method::GET,
        &"http://upload.qiniup.com/".parse()?,
        &headers,
        &mut Cursor::new(b"{\"name\":\"test\"}")
    )?;

对对象的下载 URL 签名,可以生成私有存储空间的下载地址

use qiniu_credential::{Credential, prelude::*};
use std::time::Duration;
let credential = Credential::new("abcdefghklmnopq", "1234567890");
let url = "http://www.qiniu.com/?go=1".parse()?;
let url = credential
    .get(Default::default())?
    .sign_download_url(url, Duration::from_secs(3600));
println!("{}", url);
Ok(())
}
Available on crate feature async only.

使用七牛签名算法对异步输入流数据进行签名

参考管理凭证的签名算法文档

use qiniu_credential::{Credential, prelude::*};
use futures_lite::io::Cursor;
let credential = Credential::new("abcdefghklmnopq", "1234567890");
assert_eq!(
    credential
        .async_get(Default::default()).await?
        .sign_async_reader(&mut Cursor::new(b"world")).await?,
    "abcdefghklmnopq:VjgXt0P_nCxHuaTfiFz-UjDJ1AQ="
);
Available on crate feature async only.

使用七牛签名算法 V1 对 HTTP 请求(请求体为异步输入流)进行签名,返回 Authorization 的值

use qiniu_credential::{Credential, HeaderValue, prelude::*};
use mime::APPLICATION_WWW_FORM_URLENCODED;
use futures_lite::io::Cursor;
let credential = Credential::new("abcdefghklmnopq", "1234567890");
let authorization = credential
    .async_get(Default::default()).await?
    .authorization_v1_for_request_with_async_body_reader(
        &"http://upload.qiniup.com/".parse()?,
        Some(&HeaderValue::from_str(APPLICATION_WWW_FORM_URLENCODED.as_ref())?),
        &mut Cursor::new(b"name=test&language=go")
    ).await?;
Available on crate feature async only.

使用七牛签名算法 V2 对 HTTP 请求(请求体为异步输入流)进行签名,返回 Authorization 的值

use qiniu_credential::{Credential, Method, HeaderMap, HeaderValue, prelude::*};
use http::header::CONTENT_TYPE;
use mime::APPLICATION_JSON;
use futures_lite::io::Cursor;
#[async_std::main]
let credential = Credential::new("abcdefghklmnopq", "1234567890");
let mut headers = HeaderMap::new();
headers.insert(CONTENT_TYPE, HeaderValue::from_str(APPLICATION_JSON.as_ref())?);
let authorization = credential
    .async_get(Default::default()).await?
    .authorization_v2_for_request_with_async_body_reader(
        &Method::GET,
        &"http://upload.qiniup.com/".parse()?,
        &headers,
        &mut Cursor::new(b"{\"name\":\"test\"}")
    ).await?;

Trait Implementations§

Returns a copy of the value. Read more
Performs copy-assignment from source. Read more
返回七牛认证信息 Read more
Available on crate feature async only.
异步返回七牛认证信息
Formats the value using the given formatter. Read more
The resulting type after dereferencing.
Dereferences the value.
Mutably dereferences the value.
Converts to this type from the input type.
Converts to this type from the input type.
This method tests for self and other values to be equal, and is used by ==.
This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

Auto Trait Implementations§

Blanket Implementations§

Gets the TypeId of self. Read more
Immutably borrows from an owned value. Read more
Mutably borrows from an owned value. Read more

Returns the argument unchanged.

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

Should always be Self
The resulting type after obtaining ownership.
Creates owned data from borrowed data, usually by cloning. Read more
Uses borrowed data to replace owned data, usually by cloning. Read more
The type returned in the event of a conversion error.
Performs the conversion.
The type returned in the event of a conversion error.
Performs the conversion.