iscrawl 1.2.0

Fast crawler/bot detection from User-Agent strings.
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

use iscrawl::is_crawler;

#[test]
fn mozilla_with_engine_and_compatible_browser() {
    assert!(!is_crawler(
        "Mozilla/5.0 (compatible; X11; Linux) Gecko/20100101 Firefox/115.0"
    ));
}

#[test]
fn mozilla_with_engine_no_compatible_not_crawler() {
    assert!(!is_crawler(
        "Mozilla/5.0 (X11; Linux) Gecko/20100101 CustomAgent/1.0"
    ));
}

#[test]
fn mozilla_no_engine_with_compatible_is_crawler() {
    assert!(is_crawler("Mozilla/5.0 (compatible; SomeAgent/1.0)"));
}

#[test]
fn mozilla_no_engine_no_compatible_not_crawler() {
    assert!(!is_crawler("Mozilla/5.0 something/1.0"));
}

#[test]
fn opera_prefix_with_engine_and_compatible_browser() {
    assert!(!is_crawler(
        "Opera/9.80 (compatible; Windows NT 6.1) Presto/2.12.388 Version/12.18"
    ));
}

#[test]
fn opera_prefix_no_compatible_with_engine_not_crawler() {
    assert!(!is_crawler(
        "Opera/9.80 (Windows NT 6.1) Presto/2.12.388 Version/12.18"
    ));
}

#[test]
fn non_mozilla_with_engine_not_crawler() {
    assert!(!is_crawler("CustomAgent Gecko/1.0"));
}

#[test]
fn non_mozilla_no_engine_is_crawler() {
    assert!(is_crawler("CustomAgent/1.0"));
}

#[test]
fn compatible_token_partial_does_not_count() {
    assert!(!is_crawler(
        "Mozilla/5.0 (compatibility; X11; Linux) Gecko/20100101 Firefox/115.0"
    ));
}

#[test]
fn compatible_with_lowercase_required() {
    assert!(!is_crawler(
        "Mozilla/5.0 (COMPATIBLE; X11) Gecko/20100101 Firefox/115.0"
    ));
}

#[test]
fn mozilla_lowercase_prefix_works() {
    assert!(!is_crawler(
        "mozilla/5.0 (compatible; X11; Linux) Gecko/20100101 Firefox/115.0"
    ));
}

#[test]
fn mozilla_uppercase_prefix_works() {
    assert!(!is_crawler(
        "MOZILLA/5.0 (compatible; X11; Linux) Gecko/20100101 Firefox/115.0"
    ));
}

#[test]
fn mozilla_followed_by_keyword_overrides_browser_logic() {
    assert!(is_crawler(
        "Mozilla/5.0 (compatible; MyBot/1.0) Gecko/20100101 Firefox/115.0"
    ));
}

#[test]
fn mozilla_with_http_marker_detected() {
    assert!(is_crawler(
        "Mozilla/5.0 (compatible; Acme/1.0; +http://acme.com/about)"
    ));
}

#[test]
fn mozilla_with_email_marker_detected() {
    assert!(is_crawler(
        "Mozilla/5.0 (compatible; Acme/1.0; ops@acme.com)"
    ));
}

#[test]
fn opera_with_keyword_overrides() {
    assert!(is_crawler("Opera/9.80 spider/1.0"));
}

#[test]
fn just_mozilla_prefix_no_paren_not_crawler() {
    assert!(!is_crawler("Mozilla/5.0"));
}

#[test]
fn just_compatible_token_no_mozilla_not_crawler() {
    assert!(!is_crawler("CustomAgent (compatible; foo) Gecko/1.0"));
}

#[test]
fn compatible_appears_only_with_mozilla_check() {
    assert!(!is_crawler("Mozilla/5.0 compatible; foo) Gecko/1.0"));
}

#[test]
fn opera_with_compatible_and_engine_is_browser() {
    assert!(!is_crawler(
        "Opera/12.0 (compatible; Linux) Presto/2.12 Version/12.0"
    ));
}