duckai 0.1.7

DuckDuckGo AI to OpenAI API
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

use super::dns;
use hickory_resolver::config::LookupIpStrategy;
use rand::seq::SliceRandom;
use rquest::{tls::Impersonate, Client, ClientBuilder, Proxy};
use std::{net::IpAddr, time::Duration};
use typed_builder::TypedBuilder;
use url::Url;

#[derive(TypedBuilder, Clone)]
pub struct HttpConfig {
    /// Timeout for each request.
    timeout: u64,

    /// Timeout for each connecting.
    connect_timeout: u64,

    /// TCP keepalive interval.
    tcp_keepalive: Option<u64>,

    // interface address
    #[builder(default, setter(into))]
    iface: Option<IpAddr>,

    // proxy
    #[builder(default, setter(into))]
    proxy_url: Option<Url>,
}

impl HttpConfig {
    pub fn set_iface(&mut self, iface: Option<IpAddr>) {
        self.iface = iface;
    }
}

/// Build a client
pub async fn build_client(config: HttpConfig) -> Client {
    init_builder(config)
        .await
        .build()
        .expect("Failed to build Api client")
}

/// Initialize a client builder
pub async fn init_builder(config: HttpConfig) -> ClientBuilder {
    let mut builder = Client::builder();

    // set proxy
    builder = set_proxy(builder, config.proxy_url);

    // disable keep alive
    builder = set_tcp_keepalive(builder, config.tcp_keepalive);

    // return lookup ip strategy
    let (builder, lookup_ip_strategy) =
        set_local_address_and_lookup_ip_strategy(builder, config.iface);

    // init dns resolver
    set_dns_resolver(builder, lookup_ip_strategy)
        .await
        .impersonate(random_impersonate())
        .cookie_store(true)
        .timeout(Duration::from_secs(config.timeout))
        .connect_timeout(Duration::from_secs(config.connect_timeout))
}

fn set_proxy(builder: ClientBuilder, proxy: Option<Url>) -> ClientBuilder {
    if let Some(proxy) = proxy {
        // If there is only one proxy, use it
        let proxy = Proxy::all(proxy).expect("Failed to create proxy");
        builder.proxy(proxy)
    } else {
        // If there is no proxy, use the system proxy
        builder
    }
}

fn set_tcp_keepalive(builder: ClientBuilder, tcp_keepalive: Option<u64>) -> rquest::ClientBuilder {
    match tcp_keepalive {
        Some(tcp_keepalive) => builder.tcp_keepalive(Duration::from_secs(tcp_keepalive)),
        None => builder.tcp_keepalive(None).pool_max_idle_per_host(0),
    }
}

fn set_local_address_and_lookup_ip_strategy(
    mut builder: rquest::ClientBuilder,
    preferred_addrs: Option<IpAddr>,
) -> (rquest::ClientBuilder, LookupIpStrategy) {
    let lookup_ip_strategy = match preferred_addrs {
        Some(ip_addr) => {
            builder = builder.local_address(ip_addr);
            if ip_addr.is_ipv4() {
                LookupIpStrategy::Ipv4Only
            } else {
                LookupIpStrategy::Ipv6Only
            }
        }
        None => LookupIpStrategy::Ipv4AndIpv6,
    };

    (builder, lookup_ip_strategy)
}

async fn set_dns_resolver(builder: ClientBuilder, ip_s: LookupIpStrategy) -> ClientBuilder {
    let trust_dns_resolver = dns::get_dns_resolver(ip_s).await;
    builder.dns_resolver(trust_dns_resolver)
}

fn random_impersonate() -> Impersonate {
    static VERSIONS: &'static [Impersonate] = &[
        Impersonate::Chrome100,
        Impersonate::Chrome101,
        Impersonate::Chrome104,
        Impersonate::Chrome105,
        Impersonate::Chrome106,
        Impersonate::Chrome107,
        Impersonate::Chrome108,
        Impersonate::Chrome109,
        Impersonate::Chrome114,
        Impersonate::Chrome116,
        Impersonate::Chrome117,
        Impersonate::Chrome118,
        Impersonate::Chrome119,
        Impersonate::Chrome120,
        Impersonate::Chrome123,
        Impersonate::Chrome124,
        Impersonate::Chrome126,
        Impersonate::Chrome127,
        Impersonate::Chrome128,
        Impersonate::Chrome129,
        Impersonate::Chrome130,
        Impersonate::SafariIos17_2,
        Impersonate::SafariIos17_4_1,
        Impersonate::SafariIos16_5,
        Impersonate::Safari15_3,
        Impersonate::Safari15_5,
        Impersonate::Safari15_6_1,
        Impersonate::Safari16,
        Impersonate::Safari16_5,
        Impersonate::Safari17_0,
        Impersonate::Safari17_2_1,
        Impersonate::Safari17_4_1,
        Impersonate::Safari17_5,
        Impersonate::Safari18,
        Impersonate::SafariIPad18,
        Impersonate::OkHttp3_9,
        Impersonate::OkHttp3_11,
        Impersonate::OkHttp3_13,
        Impersonate::OkHttp3_14,
        Impersonate::OkHttp4_9,
        Impersonate::OkHttp4_10,
        Impersonate::OkHttp5,
        Impersonate::Edge101,
        Impersonate::Edge122,
        Impersonate::Edge127,
    ];

    *VERSIONS
        .choose(&mut rand::thread_rng())
        .unwrap_or(&Impersonate::default())
}