amazon-cloudfront-client-routing-lib 1.0.0

a library to encode and decode dns labels
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

#[cfg(test)]
mod test_encode_request_data {
    use amazon_cloudfront_client_routing_lib::decode_request_data;

    #[test]
    fn validate_decode_with_ipv4() {
        let decoded_label = match decode_request_data("abfku6xaaaaaaaamotptyubibrji6") {
            Ok(label) => label,
            Err(e) => panic!("{}", e),
        };

        assert_eq!(1, decoded_label.client_sdk_version);
        assert_eq!(16843032286346126622, decoded_label.cgid);
        assert_eq!(24, decoded_label.subnet_mask);
        assert_eq!(false, decoded_label.is_ipv6);
        assert_eq!([85, 83, 215, 0, 0, 0, 0, 0], decoded_label.client_subnet);
    }

    #[test]
    fn validate_decode_with_ipv6() {
        let decoded_label = match decode_request_data("abydhs4fyq6iaaaykudpmaxncecqs") {
            Ok(label) => label,
            Err(e) => panic!("{}", e),
        };

        assert_eq!(1, decoded_label.client_sdk_version);
        assert_eq!(12253709671023643154, decoded_label.cgid);
        assert_eq!(48, decoded_label.subnet_mask);
        assert_eq!(true, decoded_label.is_ipv6);
        assert_eq!(
            [0x81, 0x9e, 0x5c, 0x2e, 0x21, 0xe4, 0, 0],
            decoded_label.client_subnet
        );
    }

    #[test]
    fn validate_decode_with_fqdn() {
        let decoded_label = match decode_request_data("abydhs4fyq6iaaaykudpmaxncecqs.example.com") {
            Ok(label) => label,
            Err(e) => panic!("{}", e),
        };

        assert_eq!(1, decoded_label.client_sdk_version);
        assert_eq!(12253709671023643154, decoded_label.cgid);
        assert_eq!(48, decoded_label.subnet_mask);
        assert_eq!(true, decoded_label.is_ipv6);
        assert_eq!(
            [0x81, 0x9e, 0x5c, 0x2e, 0x21, 0xe4, 0, 0],
            decoded_label.client_subnet
        );

        let decoded_label = match decode_request_data("abfku6xaaaaaaaamotptyubibrji6.vod1.example.com") {
            Ok(label) => label,
            Err(e) => panic!("{}", e),
        };

        assert_eq!(1, decoded_label.client_sdk_version);
        assert_eq!(16843032286346126622, decoded_label.cgid);
        assert_eq!(24, decoded_label.subnet_mask);
        assert_eq!(false, decoded_label.is_ipv6);
        assert_eq!([85, 83, 215, 0, 0, 0, 0, 0], decoded_label.client_subnet);
    }

    #[test]
    fn validate_decode_with_no_client_subnet() {
        let decoded_label = match decode_request_data("abaaaaaaaaaaaaaaoqysz2z3j45da") {
            Ok(label) => label,
            Err(e) => panic!("{}", e),
        };

        assert_eq!(1, decoded_label.client_sdk_version);
        assert_eq!(16745045142164894816, decoded_label.cgid);
        assert_eq!(0, decoded_label.subnet_mask);
        assert_eq!(false, decoded_label.is_ipv6);
        assert_eq!([0, 0, 0, 0, 0, 0, 0, 0], decoded_label.client_subnet);
    }

    #[test]
    fn validate_decode_with_no_cgid() {
        let decoded_label = match decode_request_data("abc4aydaaaaaaaamaaaaaaaaaaaaa") {
            Ok(label) => label,
            Err(e) => panic!("{}", e),
        };

        assert_eq!(1, decoded_label.client_sdk_version);
        assert_eq!(0, decoded_label.cgid);
        assert_eq!(24, decoded_label.subnet_mask);
        assert_eq!(false, decoded_label.is_ipv6);
        assert_eq!([46, 3, 3, 0, 0, 0, 0, 0], decoded_label.client_subnet);
    }

    #[test]
    fn validate_decode_with_no_client_subnet_no_cgid() {
        let decoded_label = match decode_request_data("abaaaaaaaaaaaaaaaaaaaaaaaaaaa") {
            Ok(label) => label,
            Err(e) => panic!("{}", e),
        };

        assert_eq!(1, decoded_label.client_sdk_version);
        assert_eq!(0, decoded_label.cgid);
        assert_eq!(0, decoded_label.subnet_mask);
        assert_eq!(false, decoded_label.is_ipv6);
        assert_eq!([0, 0, 0, 0, 0, 0, 0, 0], decoded_label.client_subnet);
    }

    #[test]
    fn validate_decode_with_too_small_client_routing_label_returns_error() {
        match decode_request_data("abydhs4fyq6iaaaykudpmaxnce") {
            Ok(_dns_label) => {
                panic!("Didn't return an error when it should have")
            }
            Err(_e) => (),
        };
    }

    #[test]
    fn validate_decode_with_too_large_client_routing_label_returns_error() {
        match decode_request_data("abydhs4fyq6iaaaykudpmaxncecqsaaaa") {
            Ok(_dns_label) => {
                panic!("Didn't return an error when it should have")
            }
            Err(_e) => (),
        };
    }

    #[test]
    fn validate_decode_with_empty_domain_returns_error() {
        match decode_request_data("") {
            Ok(_dns_label) => {
                panic!("Didn't return an error when it should have")
            }
            Err(_e) => (),
        };
    }

    #[test]
    fn validate_decode_with_client_routing_label_not_first_dns_label_returns_error() {
        match decode_request_data("vod1.abfku6xaaaaaaaamotptyubibrji6.example.com") {
            Ok(_dns_label) => {
                panic!("Didn't return an error when it should have")
            }
            Err(_e) => (),
        };
    }
}