pusher 0.4.5

The Rust library for interacting with the Pusher HTTP 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

use std::time::SystemTime;
use url::form_urlencoded::Serializer;

use super::json_structures::*;
use super::signature::*;

const AUTH_VERSION: &'static str = "1.0";

pub fn timestamp() -> String {
    SystemTime::now()
        .duration_since(SystemTime::UNIX_EPOCH)
        .unwrap()
        .as_secs()
        .to_string()
}

pub fn build_query(
    method: &str,
    path: &str,
    key: &str,
    secret: &str,
    timestamp: String,
    data: Option<&str>,
    query_parameters: Option<QueryParameters>,
) -> String {
    let body_md5: String;

    let mut query_pairs: Vec<(&str, &str)> = vec![
        ("auth_key", key),
        ("auth_timestamp", &timestamp),
        ("auth_version", AUTH_VERSION),
    ];

    if let Some(body) = data {
        body_md5 = create_body_md5(body);
        query_pairs.push(("body_md5", &body_md5));
    }

    let params = match query_parameters {
        Some(params) => params,
        None => Vec::new(),
    };
    for (k, v) in &params {
        query_pairs.push((k.as_str(), v.as_str()));
    }

    // query_pairs.sort_by(|&(a, _), &(b, _)| { a.cmp(b) });

    // Build the query string to sign by hand because we don't want it URL encoded
    let mut query_string_to_sign = String::new();
    let mut first = true;
    for &(k, v) in &query_pairs {
        if first {
            first = false;
        } else {
            query_string_to_sign.push_str("&");
        }
        query_string_to_sign.push_str(k);
        query_string_to_sign.push_str("=");
        query_string_to_sign.push_str(v);
    }

    let to_sign = format!("{}\n{}\n{}", method, path, query_string_to_sign);
    let auth_signature = create_auth_signature(&to_sign, &secret);

    let query_buffer = String::new();
    let mut query_serializer = Serializer::new(query_buffer);

    for (k, v) in query_pairs {
        query_serializer.append_pair(k, v);
    }
    query_serializer.append_pair("auth_signature", auth_signature.as_str());

    return query_serializer.finish();
}

#[test]
fn test_trigger_request_url() {
    let expected = "auth_key=key&auth_timestamp=1353088179&auth_version=1.0&body_md5=ec365a775a4cd0599faeb73354201b6f&auth_signature=3695357e49aa04ae6f3cd76039dcefd82da079d0564bac566033d48ebae75459";
    let payload =
        "{\"name\":\"foo\",\"channels\":[\"project-3\"],\"data\":\"{\\\"some\\\":\\\"data\\\"}\"}";
    let query = build_query(
        "POST",
        "/apps/3/events",
        "key",
        "secret",
        "1353088179".to_string(),
        Some(payload),
        None,
    );
    assert_eq!(expected, query)
}

#[test]
fn test_get_channels_url() {
    let expected = "auth_key=key&auth_timestamp=1427034994&auth_version=1.0&filter_by_prefix=presence-&info=user_count&auth_signature=0ba82990cff5311f09d88d8c9317d1ceb1b2e085c01deb65618f4eaea1624d89";
    let query_parameters = Some(vec![
        ("filter_by_prefix".to_string(), "presence-".to_string()),
        ("info".to_string(), "user_count".to_string()),
    ]);
    let query = build_query(
        "GET",
        "/apps/102015/channels",
        "key",
        "secret",
        "1427034994".to_string(),
        None,
        query_parameters,
    );
    assert_eq!(expected, query)
}

#[test]
fn test_get_channels_url_with_one_additional_param() {
    let expected = "auth_key=key&auth_timestamp=1427036577&auth_version=1.0&filter_by_prefix=presence-&auth_signature=a27c87175390e1748e14fb6531769362ffb1a4fb437e9f353ff09e7fa314ce84";
    let query_parameters = Some(vec![(
        "filter_by_prefix".to_string(),
        "presence-".to_string(),
    )]);
    let query = build_query(
        "GET",
        "/apps/102015/channels",
        "key",
        "secret",
        "1427036577".to_string(),
        None,
        query_parameters,
    );
    assert_eq!(expected, query)
}

#[test]
fn test_get_channels_url_with_no_params() {
    let expected = "auth_key=key&auth_timestamp=1427036787&auth_version=1.0&auth_signature=805473a9346a00c6ddca6059286f7f6b4e4c45dea1ead355f115decba06bfa4d";
    let query = build_query(
        "GET",
        "/apps/102015/channels",
        "key",
        "secret",
        "1427036787".to_string(),
        None,
        None,
    );
    assert_eq!(expected, query)
}

#[test]
fn test_get_channel_url() {
    let expected = "auth_key=key&auth_timestamp=1427053326&auth_version=1.0&info=user_count%2Csubscription_count&auth_signature=c39bf2e1ef8a4cbfc8e283daa610862cf01fd250437476e1ff4100677ebd3dab";
    let query_parameters = Some(vec![(
        "info".to_string(),
        "user_count,subscription_count".to_string(),
    )]);
    let query = build_query("GET", "/apps/102015/channels/presence-session-d41a439c438a100756f5-4bf35003e819bb138249-ROpCFmgFhXY", "key", "secret", "1427053326".to_string(), None, query_parameters);
    assert_eq!(expected, query)
}

#[test]
fn test_get_users_url() {
    let expected = "auth_key=key&auth_timestamp=1427053326&auth_version=1.0&auth_signature=15f3d742965b5728ed2089c4fdae186a5684a8a17c9bf230ad5bd244bc8164f7";
    let query = build_query("GET", "/apps/102015/channels/presence-session-d41a439c438a100756f5-4bf35003e819bb138249-nYJLy67qh52/users", "key", "secret", "1427053326".to_string(), None, None);
    assert_eq!(expected, query)
}