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
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186

mod presign;
use crate::error::S3Error;
use awscreds::Credentials;
use awsregion::Region;
use bytes::Bytes;
use http::HeaderMap;
use http_body_util::Full;
use hyper_rustls::HttpsConnector;
use hyper_timeout::TimeoutConnector;
use hyper_util::client::legacy::connect::HttpConnector;
use hyper_util::client::legacy::Client;
use std::collections::HashMap;
use std::sync::Arc;
use std::time::Duration;
use tokio::sync::RwLock;

pub use std::io::Read;

mod credentials;

mod tag;
pub use tag::*;

mod create;
pub use create::*;

mod list;
pub use list::*;

mod delete;

mod copy;

mod get;

mod put;

mod head;

mod utils;

mod client;

pub type Query = HashMap<String, String>;

pub use crate::serde_types::{
    BucketLocationResult, CompleteMultipartUploadData, CorsConfiguration, HeadObjectResult,
    InitiateMultipartUploadResponse, ListBucketResult, ListMultipartUploadsResult, Part,
};
pub(crate) use crate::utils::error_from_response_data;
pub use crate::utils::PutStreamResponse;

pub use crate::request::Request;

pub const CHUNK_SIZE: usize = 8_388_608; // 8 Mebibytes, min is 5 (5_242_880);

/// Instantiate an existing Bucket
///
/// # Example
///
/// ```no_run
/// use s3::bucket::Bucket;
/// use s3::creds::Credentials;
///
/// let bucket_name = "rust-s3-test";
/// let region = "us-east-1".parse().unwrap();
/// let credentials = Credentials::default().unwrap();
///
/// let bucket = Bucket::new(bucket_name, region, credentials);
/// ```
#[derive(Clone, Debug)]
pub struct Bucket {
    pub name: String,
    pub region: Region,
    pub credentials: Arc<RwLock<Credentials>>,
    pub extra_headers: HeaderMap,
    pub extra_query: Query,
    pub request_timeout: Option<Duration>,
    path_style: bool,
    listobjects_v2: bool,
    http_client: Client<TimeoutConnector<HttpsConnector<HttpConnector>>, Full<Bytes>>,
}

const DEFAULT_REQUEST_TIMEOUT: Option<Duration> = Some(Duration::from_secs(60));

fn validate_expiry(expiry_secs: u32) -> Result<(), S3Error> {
    if 604800 < expiry_secs {
        return Err(S3Error::MaxExpiry(expiry_secs));
    }
    Ok(())
}

impl Bucket {
    pub fn with_path_style(&self) -> Self {
        Self {
            name: self.name.clone(),
            region: self.region.clone(),
            credentials: self.credentials.clone(),
            extra_headers: self.extra_headers.clone(),
            extra_query: self.extra_query.clone(),
            request_timeout: self.request_timeout,
            path_style: true,
            listobjects_v2: self.listobjects_v2,
            http_client: self.http_client.clone(),
        }
    }

    pub fn with_extra_headers(&self, extra_headers: HeaderMap) -> Self {
        Self {
            name: self.name.clone(),
            region: self.region.clone(),
            credentials: self.credentials.clone(),
            extra_headers,
            extra_query: self.extra_query.clone(),
            request_timeout: self.request_timeout,
            path_style: self.path_style,
            listobjects_v2: self.listobjects_v2,
            http_client: self.http_client.clone(),
        }
    }

    pub fn with_extra_query(&self, extra_query: HashMap<String, String>) -> Self {
        Self {
            name: self.name.clone(),
            region: self.region.clone(),
            credentials: self.credentials.clone(),
            extra_headers: self.extra_headers.clone(),
            extra_query,
            request_timeout: self.request_timeout,
            path_style: self.path_style,
            listobjects_v2: self.listobjects_v2,
            http_client: self.http_client.clone(),
        }
    }

    pub fn with_request_timeout(&self, request_timeout: Duration) -> Result<Self, S3Error> {
        let http_client = client::create_client(Some(request_timeout))?;

        Ok(Self {
            name: self.name.clone(),
            region: self.region.clone(),
            credentials: self.credentials.clone(),
            extra_headers: self.extra_headers.clone(),
            extra_query: self.extra_query.clone(),
            request_timeout: Some(request_timeout),
            path_style: self.path_style,
            listobjects_v2: self.listobjects_v2,
            http_client: http_client.clone(),
        })
    }

    pub fn with_listobjects_v1(&self) -> Self {
        Self {
            name: self.name.clone(),
            region: self.region.clone(),
            credentials: self.credentials.clone(),
            extra_headers: self.extra_headers.clone(),
            extra_query: self.extra_query.clone(),
            request_timeout: self.request_timeout,
            path_style: self.path_style,
            listobjects_v2: false,
            http_client: self.http_client.clone(),
        }
    }

    pub(crate) fn _tags_xml<S: AsRef<str>>(&self, tags: &[(S, S)]) -> String {
        let mut s = String::new();
        let content = tags
            .iter()
            .map(|(name, value)| {
                format!(
                    "<Tag><Key>{}</Key><Value>{}</Value></Tag>",
                    name.as_ref(),
                    value.as_ref()
                )
            })
            .fold(String::new(), |mut a, b| {
                a.push_str(b.as_str());
                a
            });
        s.push_str("<Tagging><TagSet>");
        s.push_str(&content);
        s.push_str("</TagSet></Tagging>");
        s
    }
}