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
//! `GET /_matrix/media/*/thumbnail/{serverName}/{mediaId}`
//!
//! Get a thumbnail of content from the media store.

pub mod v3 {
    //! `/v3/` ([spec])
    //!
    //! [spec]: https://spec.matrix.org/latest/client-server-api/#get_matrixmediav3thumbnailservernamemediaid

    use std::time::Duration;

    use http::header::{CONTENT_DISPOSITION, CONTENT_TYPE};
    use js_int::UInt;
    pub use ruma_common::media::Method;
    use ruma_common::{
        api::{request, response, Metadata},
        http_headers::ContentDisposition,
        metadata, IdParseError, MxcUri, OwnedServerName,
    };

    use crate::http_headers::CROSS_ORIGIN_RESOURCE_POLICY;

    const METADATA: Metadata = metadata! {
        method: GET,
        rate_limited: true,
        authentication: None,
        history: {
            1.0 => "/_matrix/media/r0/thumbnail/:server_name/:media_id",
            1.1 => "/_matrix/media/v3/thumbnail/:server_name/:media_id",
            1.11 => deprecated,
        }
    };

    /// Request type for the `get_content_thumbnail` endpoint.
    #[request(error = crate::Error)]
    #[deprecated = "\
        Since Matrix 1.11, clients should use `authenticated_media::get_content_thumbnail::v1::Request` \
        instead if the homeserver supports it.\
    "]
    pub struct Request {
        /// The server name from the mxc:// URI (the authoritory component).
        #[ruma_api(path)]
        pub server_name: OwnedServerName,

        /// The media ID from the mxc:// URI (the path component).
        #[ruma_api(path)]
        pub media_id: String,

        /// The desired resizing method.
        #[ruma_api(query)]
        #[serde(skip_serializing_if = "Option::is_none")]
        pub method: Option<Method>,

        /// The *desired* width of the thumbnail.
        ///
        /// The actual thumbnail may not match the size specified.
        #[ruma_api(query)]
        pub width: UInt,

        /// The *desired* height of the thumbnail.
        ///
        /// The actual thumbnail may not match the size specified.
        #[ruma_api(query)]
        pub height: UInt,

        /// Whether to fetch media deemed remote.
        ///
        /// Used to prevent routing loops. Defaults to `true`.
        #[ruma_api(query)]
        #[serde(
            default = "ruma_common::serde::default_true",
            skip_serializing_if = "ruma_common::serde::is_true"
        )]
        pub allow_remote: bool,

        /// The maximum duration that the client is willing to wait to start receiving data, in the
        /// case that the content has not yet been uploaded.
        ///
        /// The default value is 20 seconds.
        #[ruma_api(query)]
        #[serde(
            with = "ruma_common::serde::duration::ms",
            default = "ruma_common::media::default_download_timeout",
            skip_serializing_if = "ruma_common::media::is_default_download_timeout"
        )]
        pub timeout_ms: Duration,

        /// Whether the server may return a 307 or 308 redirect response that points at the
        /// relevant media content.
        ///
        /// Unless explicitly set to `true`, the server must return the media content itself.
        #[ruma_api(query)]
        #[serde(default, skip_serializing_if = "ruma_common::serde::is_default")]
        pub allow_redirect: bool,

        /// Whether the server should return an animated thumbnail.
        ///
        /// When `Some(true)`, the server should return an animated thumbnail if possible and
        /// supported. When `Some(false)`, the server must not return an animated
        /// thumbnail. When `None`, the server should not return an animated thumbnail.
        #[ruma_api(query)]
        #[serde(skip_serializing_if = "Option::is_none")]
        pub animated: Option<bool>,
    }

    /// Response type for the `get_content_thumbnail` endpoint.
    #[response(error = crate::Error)]
    pub struct Response {
        /// A thumbnail of the requested content.
        #[ruma_api(raw_body)]
        pub file: Vec<u8>,

        /// The content type of the thumbnail.
        #[ruma_api(header = CONTENT_TYPE)]
        pub content_type: Option<String>,

        /// The value of the `Content-Disposition` HTTP header, possibly containing the name of the
        /// file that was previously uploaded.
        ///
        /// See [MDN] for the syntax.
        ///
        /// [MDN]: https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Disposition#Syntax
        #[ruma_api(header = CONTENT_DISPOSITION)]
        pub content_disposition: Option<ContentDisposition>,

        /// The value of the `Cross-Origin-Resource-Policy` HTTP header.
        ///
        /// See [MDN] for the syntax.
        ///
        /// [MDN]: https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Cross-Origin-Resource-Policy#syntax
        #[ruma_api(header = CROSS_ORIGIN_RESOURCE_POLICY)]
        pub cross_origin_resource_policy: Option<String>,
    }

    #[allow(deprecated)]
    impl Request {
        /// Creates a new `Request` with the given media ID, server name, desired thumbnail width
        /// and desired thumbnail height.
        pub fn new(
            media_id: String,
            server_name: OwnedServerName,
            width: UInt,
            height: UInt,
        ) -> Self {
            Self {
                media_id,
                server_name,
                method: None,
                width,
                height,
                allow_remote: true,
                timeout_ms: ruma_common::media::default_download_timeout(),
                allow_redirect: false,
                animated: None,
            }
        }

        /// Creates a new `Request` with the given url, desired thumbnail width and
        /// desired thumbnail height.
        pub fn from_url(url: &MxcUri, width: UInt, height: UInt) -> Result<Self, IdParseError> {
            let (server_name, media_id) = url.parts()?;

            Ok(Self::new(media_id.to_owned(), server_name.to_owned(), width, height))
        }
    }

    impl Response {
        /// Creates a new `Response` with the given thumbnail.
        ///
        /// The Cross-Origin Resource Policy defaults to `cross-origin`.
        pub fn new(
            file: Vec<u8>,
            content_type: String,
            content_disposition: ContentDisposition,
        ) -> Self {
            Self {
                file,
                content_type: Some(content_type),
                content_disposition: Some(content_disposition),
                cross_origin_resource_policy: Some("cross-origin".to_owned()),
            }
        }
    }
}