1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141

use std::iter;
use std::time::Duration;

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

use crate::actions::Method;
use crate::actions::S3Action;
use crate::signing::sign;
use crate::sorting_iter::SortingIterator;
use crate::{Bucket, Credentials, Map};

/// Abort multipart upload.
///
/// This also cleans up any previously uploaded part.
///
/// Find out more about `AbortMultipartUpload` from the [AWS API Reference][api]
///
/// [api]: https://docs.aws.amazon.com/AmazonS3/latest/API/API_AbortMultipartUpload.html
#[derive(Debug, Clone)]
pub struct AbortMultipartUpload<'a> {
    bucket: &'a Bucket,
    credentials: Option<&'a Credentials>,
    object: &'a str,

    upload_id: &'a str,

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

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

            upload_id,

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

impl<'a> S3Action<'a> for AbortMultipartUpload<'a> {
    const METHOD: Method = Method::Delete;

    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 query = iter::once(("uploadId", self.upload_id));

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

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

    use pretty_assertions::assert_eq;

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

    #[test]
    fn aws_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://s3.amazonaws.com".parse().unwrap();
        let bucket = Bucket::new(
            endpoint,
            UrlStyle::VirtualHost,
            "examplebucket",
            "us-east-1",
        )
        .unwrap();
        let credentials = Credentials::new(
            "AKIAIOSFODNN7EXAMPLE",
            "wJalrXUtnFEMI/K7MDENG/bPxRfiCYEXAMPLEKEY",
        );

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

        let url = action.sign_with_time(expires_in, &date);
        let expected = "https://examplebucket.s3.amazonaws.com/test.txt?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=AKIAIOSFODNN7EXAMPLE%2F20130524%2Fus-east-1%2Fs3%2Faws4_request&X-Amz-Date=20130524T000000Z&X-Amz-Expires=86400&X-Amz-SignedHeaders=host&uploadId=abcd&X-Amz-Signature=7670bc768a7cdb5c276a9dddadeefdffb52061f94db6c14b4a9284fdc195bb59";

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

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

        let endpoint = "https://s3.amazonaws.com".parse().unwrap();
        let bucket = Bucket::new(
            endpoint,
            UrlStyle::VirtualHost,
            "examplebucket",
            "us-east-1",
        )
        .unwrap();

        let action = AbortMultipartUpload::new(&bucket, None, "test.txt", "abcd");
        let url = action.sign(expires_in);
        let expected = "https://examplebucket.s3.amazonaws.com/test.txt?uploadId=abcd";

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