tauri-plugin-http-ext 1.0.1

Tauri plugin http ext api
Documentation 
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

mod error;

use std::collections::HashMap;

use http::Method;
use reqwest::{header::HeaderMap, Certificate, Client, Identity};
use serde::{Deserialize, Serialize};
use serde_json::Value as JsonValue;
use serde_repr::Deserialize_repr;
use tauri::plugin::{Builder as PluginBuilder, TauriPlugin};
use tauri::{Manager, Runtime, State as TauriState, async_runtime::RwLock};

use error::Result;

#[tauri::command]
async fn send(state: TauriState<'_, State>, client_name: String, request: Request) -> Result<Response> {
    let state = state.read().await;
    let client = state.get(&client_name).unwrap();

    let method = Method::from_bytes(request.method.to_uppercase().as_bytes())?;

    let mut builder = client.request(method, &request.url);

    if let Some(query) = request.query {
        builder = builder.query(&query);
    }

    if let Some(headers) = request.headers {
        builder = builder.headers(HeaderMap::try_from(&headers)?);
    }

    if let Some(body) = request.body {
        builder = match body {
            Body::Text(text) => builder.body(text),
            Body::Json(json) => builder.json(&json),
            Body::Form => builder,
        }
    }

    let result = builder.send().await?;
    let response = async {
        let status = result.status().as_u16();

        let mut headers: HashMap<String, String> = HashMap::new();
        for (key, value) in result.headers() {
            headers.insert(key.to_string(), String::from_utf8(value.as_bytes().to_vec())?);
        }

        let body: JsonValue = match request.response_type.unwrap_or(ResponseType::Json) {
            ResponseType::Text => JsonValue::String(result.text().await?),
            ResponseType::Json => result.json().await?,
            ResponseType::Binary => serde_json::to_value(&*result.bytes().await?)?,
        };

        Ok(Response {
            status,
            headers,
            body,
        })
    };

    Ok((response.await as Result<Response>)?)
}

pub type Clients = HashMap<String, Client>;
pub type State = RwLock<Clients>;

pub struct Builder {
    clients: HashMap<String, Client>,
}

impl Builder {
    pub fn new() -> Self {
        Self {
            clients: HashMap::new(),
        }
    }

    pub fn add_client(mut self, name: &str, config: ClientConfig) -> Self {
        let mut client = Client::builder();

        if let Some(tls) = config.tls {
            client = client
                // .tls_built_in_root_certs(false)
                .use_rustls_tls()
                .add_root_certificate(Certificate::from_pem(tls.cert).unwrap());

            if let Some(key) = tls.key {
                client = client.identity(Identity::from_pem(key).unwrap());
            }
        }

        self.clients.insert(name.to_string(), client.build().unwrap());
        self
    }

    pub fn build<R: Runtime>(self) -> TauriPlugin<R> {
        let plugin = PluginBuilder::new("mtls")
            .invoke_handler(tauri::generate_handler![send])
            .setup(
                move |app| {
                    app.manage(RwLock::new(self.clients.clone())); Ok(())
                }
            )
            .build();

        plugin
    }
}

#[derive(Debug)]
pub struct ClientConfig {
    pub tls: Option<ClientTlsConfig>,
}

#[derive(Debug)]
pub struct ClientTlsConfig {
    pub cert: &'static [u8],
    pub key: Option<&'static [u8]>,
}

impl ClientConfig {
    pub fn new() -> Self {
        Self {
            tls: None,
        }
    }

    pub fn tls(mut self, cert: &'static [u8], key: Option<&'static [u8]>) -> Self {
        let tls = ClientTlsConfig {
            cert,
            key,
        };

        self.tls = Some(tls);
        self
    }
}

#[derive(Debug, Deserialize)]
#[serde(rename_all = "camelCase")]
struct Request {
    pub method: String,
    pub url: String,
    pub query: Option<HashMap<String, String>>,
    pub headers: Option<HashMap<String, String>>,
    pub body: Option<Body>,
    pub response_type: Option<ResponseType>,
}

#[derive(Debug, Serialize)]
struct Response {
    pub status: u16,
    pub headers: HashMap<String, String>,
    pub body: JsonValue,
}

#[derive(Debug, Deserialize)]
#[serde(tag = "type", content = "payload")]
enum Body {
    Form,
    Json(JsonValue),
    Text(String),
}

#[derive(Debug, Deserialize_repr)]
#[repr(u16)]
enum ResponseType {
    Json = 1,
    Text,
    Binary,
}