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

use std::collections::HashMap;

use async_trait::async_trait;
use reqwest::{
    header::{HeaderMap, HeaderValue},
    Method,
};
use urlencoding::encode;

use crate::{
    client::Client,
    error::{ObsError, status_to_response},
    model::{bucket::copy_object::CopyObjectResult, object::ObjectMeta},
};

#[async_trait]
pub trait ObjectTrait {
    /// PUT上传
    async fn put_object(
        &self,
        bucket: &str,
        key: &str,
        object: &'static [u8],
    ) -> Result<(), ObsError>;

    /// 复制对象
    async fn copy_object(
        &self,
        bucket: &str,
        src: &str,
        dest: &str,
    ) -> Result<CopyObjectResult, ObsError>;

    /// 删除对象
    async fn delete_object(&self, bucket: &str, key: &str) -> Result<(), ObsError>;

    /// 获取对象内容
    async fn get_object(&self, bucket: &str, key: &str) -> Result<bytes::Bytes, ObsError>;

    /// 获取对象元数据
    async fn get_object_metadata(&self, bucket: &str, key: &str) -> Result<ObjectMeta, ObsError>;
}

#[async_trait]
impl ObjectTrait for Client {
    /// PUT上传
    async fn put_object(
        &self,
        bucket: &str,
        key: &str,
        object: &'static [u8],
    ) -> Result<(), ObsError> {
        let mut with_headers = HeaderMap::new();
        with_headers.insert(
            "Content-Length",
            HeaderValue::from_str(format!("{}", object.len()).as_str()).unwrap(),
        );
        let resp = self
            .do_action(Method::PUT, bucket, key, Some(with_headers), Some(object))
            .await?;
        let _ = resp.text().await?;

        Ok(())
    }

    /// 复制对象
    async fn copy_object(
        &self,
        bucket: &str,
        src: &str,
        dest: &str,
    ) -> Result<CopyObjectResult, ObsError> {
        let mut with_headers = HeaderMap::new();
        let dest = dest.trim_start_matches('/');
        let src = src.trim_start_matches('/');
        let src = encode(src);
        let copy_source = format!("/{}/{}", bucket, src);
        with_headers.insert(
            "x-obs-copy-source",
            HeaderValue::from_str(&copy_source).unwrap(),
        );

        let resp = self
            .do_action(
                Method::PUT,
                bucket,
                dest,
                Some(with_headers),
                None::<String>,
            )
            .await?;
        let status = resp.status();
        let text = resp.text().await?;
        status_to_response::<CopyObjectResult>(status, text)
        // match status {
        //     StatusCode::OK => {
        //         let r: CopyObjectResponse = serde_xml_rs::from_str(&text)?;
        //         Ok(r)
        //     }
        //     StatusCode::FORBIDDEN => {
        //         let er: ErrorResponse = serde_xml_rs::from_str(&text)?;
        //         Err(ObsError::Response {
        //             status: StatusCode::FORBIDDEN,
        //             message: er.message,
        //         })
        //     }
        //     _ => Err(ObsError::Unknown),
        // }
    }

    /// 删除对象
    async fn delete_object(&self, bucket: &str, key: &str) -> Result<(), ObsError> {
        let _resp = self
            .do_action(Method::DELETE, bucket, key, None, None::<String>)
            .await?;
        Ok(())
    }

    ///获取对象内容
    async fn get_object(&self, bucket: &str, key: &str) -> Result<bytes::Bytes, ObsError> {
        let resp = self
            .do_action(Method::GET, bucket, key, None, None::<String>)
            .await?
            .bytes()
            .await?;

        Ok(resp)
    }

    /// 获取对象元数据
    async fn get_object_metadata(&self, bucket: &str, key: &str) -> Result<ObjectMeta, ObsError> {
        let resp = self
            .do_action(Method::HEAD, bucket, key, None, None::<String>)
            .await?;
        let headers = resp.headers();
        let mut data = HashMap::with_capacity(headers.len());
        for (key, val) in headers {
            data.insert(key.as_str(), val.to_str().unwrap());
        }

        let header_str = serde_json::to_string(&data).map_err(|_e| ObsError::ParseOrConvert)?;

        let data: ObjectMeta =
            serde_json::from_str(&header_str).map_err(|_e| ObsError::ParseOrConvert)?;

        Ok(data)
    }
}