-
Notifications
You must be signed in to change notification settings - Fork 0
/
search.go
110 lines (83 loc) · 1.73 KB
/
search.go
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
package iqdb
import (
"net/http"
"net/url"
"strconv"
"strings"
"github.com/PuerkitoBio/goquery"
)
const homeURL = "https://iqdb.org/"
func init() {
_, err := url.Parse(homeURL)
if err != nil {
panic(err)
}
}
func SearchURL(imageURL string) ([]Match, error) {
var (
err error
searchURL *url.URL
doc *goquery.Document
)
searchURL, err = url.Parse(homeURL)
if err != nil {
return nil, err
}
q := searchURL.Query()
q.Set("url", imageURL)
searchURL.RawQuery = q.Encode()
var resp *http.Response
resp, err = http.Get(searchURL.String())
if err != nil {
return nil, err
}
defer resp.Body.Close()
doc, err = goquery.NewDocumentFromReader(resp.Body)
if err != nil {
return nil, err
}
doc.Url = searchURL
matches := matchesFromDocument(doc)
return matches, nil
}
func matchesFromDocument(doc *goquery.Document) []Match {
var matches []Match
doc.Find("#pages > div > table").Each(func(i int, table *goquery.Selection) {
if i == 0 {
return
}
var (
err error
sauceURL *url.URL
similarity float64
)
a := table.Find(".image a")
href := a.AttrOr("href", "")
if href == "" {
return
}
sauceURL, err = doc.Url.Parse(href)
if err != nil {
return
}
tr := table.Find("tr:last-of-type").First()
if tr.Length() != 1 {
return
}
similarityText := strings.TrimSpace(tr.Text())
parts := strings.Split(similarityText, " ")
if len(parts) == 0 || !strings.HasSuffix(parts[0], "%") {
return
}
similarityStr := strings.TrimSuffix(parts[0], "%")
similarity, err = strconv.ParseFloat(similarityStr, 64)
if err != nil {
return
}
matches = append(matches, Match{
URL: sauceURL.String(),
Similarity: similarity / 100,
})
})
return matches
}