rusty-oss 0.2.1

use std::time::Duration;

use time::OffsetDateTime;
use url::Url;

use crate::actions::Method;
use crate::actions::OSSAction;
use crate::signing::sign;
use crate::sorting_iter::SortingIterator;
use crate::{Bucket, Credentials, Map};

/// Upload a part to a previously created multipart upload.
///
/// Every part must be between 5 MB and 5 GB in size, except for the last part.
///
/// The part must be uploaded via a PUT request, on success the server will
/// return an `ETag` header which must be given to
/// [`CompleteMultipartUpload`][crate::actions::CompleteMultipartUpload] in order to
/// complete the upload.
///
/// A maximum of 10,000 parts can be uploaded to a single multipart upload.
///
/// The uploaded part will consume storage on OSS until the multipart upload
/// is completed or aborted.
///
/// Find out more about `UploadPart` from the [OSS API Reference][api]
///
/// [api]: https://help.aliyun.com/zh/oss/developer-reference/uploadpart
#[derive(Debug, Clone)]
pub struct UploadPart<'a> {
    bucket: &'a Bucket,
    credentials: Option<&'a Credentials>,
    object: &'a str,

    part_number: u16,
    upload_id: &'a str,

    query: Map<'a>,
    headers: Map<'a>,
}

impl<'a> UploadPart<'a> {
    #[inline]
    pub fn new(
        bucket: &'a Bucket,
        credentials: Option<&'a Credentials>,
        object: &'a str,
        part_number: u16,
        upload_id: &'a str,
    ) -> Self {
        Self {
            bucket,
            credentials,
            object,

            part_number,
            upload_id,

            query: Map::new(),
            headers: Map::new(),
        }
    }
}

impl<'a> OSSAction<'a> for UploadPart<'a> {
    const METHOD: Method = Method::Put;

    fn query_mut(&mut self) -> &mut Map<'a> {
        &mut self.query
    }

    fn headers_mut(&mut self) -> &mut Map<'a> {
        &mut self.headers
    }

    fn sign_with_time(&self, expires_in: Duration, time: &OffsetDateTime) -> Url {
        let url = self.bucket.object_url(self.object).unwrap();

        let part_number = self.part_number.to_string();
        let query = [
            ("partNumber", part_number.as_str()),
            ("uploadId", self.upload_id),
        ];

        match self.credentials {
            Some(credentials) => sign(
                time,
                Method::Put,
                url,
                credentials.key(),
                credentials.secret(),
                credentials.token(),
                self.bucket.region(),
                expires_in.as_secs(),
                SortingIterator::new(query.iter().copied(), self.query.iter()),
                self.headers.iter(),
            ),
            None => crate::signing::util::add_query_params(url, query.iter().copied()),
        }
    }
}

#[cfg(test)]
mod tests {
    use time::OffsetDateTime;

    use pretty_assertions::assert_eq;

    use super::*;
    use crate::{Bucket, Credentials, UrlStyle};

    #[test]
    fn oss_example() {
        // Fri, 24 May 2013 00:00:00 GMT
        let date = OffsetDateTime::from_unix_timestamp(1369353600).unwrap();
        let expires_in = Duration::from_secs(86400);

        let endpoint = "https://oss-cn-hangzhou.aliyuncs.com".parse().unwrap();
        let bucket = Bucket::new(
            endpoint,
            UrlStyle::VirtualHost,
            "examplebucket",
            "cn-hangzhou",
        )
        .unwrap();
        let credentials = Credentials::new(
            "access_key_id",
            "access_key_secret",
        );

        let action = UploadPart::new(&bucket, Some(&credentials), "test.txt", 1, "abcd");

        let url = action.sign_with_time(expires_in, &date);
        let expected = "https://examplebucket.oss-cn-hangzhou.aliyuncs.com/test.txt?partNumber=1&uploadId=abcd&x-oss-additional-headers=host&x-oss-credential=access_key_id%2F20130524%2Fcn-hangzhou%2Foss%2Faliyun_v4_request&x-oss-date=20130524T000000Z&x-oss-expires=86400&x-oss-signature-version=OSS4-HMAC-SHA256&x-oss-signature=7242888285b04f4e637c0a46a058bc90e0dc71929e0fa6efe9fd44f02ece082d";

        assert_eq!(expected, url.as_str());
    }

    #[test]
    fn anonymous_custom_query() {
        let expires_in = Duration::from_secs(86400);

        let endpoint = "https://oss-cn-hangzhou.aliyuncs.com".parse().unwrap();
        let bucket = Bucket::new(
            endpoint,
            UrlStyle::VirtualHost,
            "examplebucket",
            "cn-hangzhou",
        )
        .unwrap();

        let action = UploadPart::new(&bucket, None, "test.txt", 1, "abcd");
        let url = action.sign(expires_in);
        let expected = "https://examplebucket.oss-cn-hangzhou.aliyuncs.com/test.txt?partNumber=1&uploadId=abcd";

        assert_eq!(expected, url.as_str());
    }
}