-
Notifications
You must be signed in to change notification settings - Fork 45
/
utils.go
175 lines (153 loc) · 3.86 KB
/
utils.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
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
164
165
166
167
168
169
170
171
172
173
174
175
package webfingerprint
import (
"net/url"
"regexp"
"strings"
)
import (
"crypto/tls"
"fmt"
"github.com/pkg/errors"
"io/ioutil"
"net/http"
"sort"
"time"
)
func HttpInsecureGet(url string) (*http.Response, error) {
client := http.Client{
Transport: &http.Transport{TLSClientConfig: &tls.Config{InsecureSkipVerify: true}},
Timeout: 10 * time.Second,
}
return client.Get(url)
}
func HttpGet(url string) ([]byte, error) {
resp, err := http.Get(url)
if err != nil {
return nil, errors.Errorf("HTTP GET %s error: %s", url, err)
}
defer resp.Body.Close()
body, err := ioutil.ReadAll(resp.Body)
if err != nil {
return nil, errors.Errorf("read response body error: %s", body)
}
return body, nil
}
// WriteCounter counts the number of bytes written to it. It implements to the io.Writer
// interface and we can pass this into io.TeeReader() which will report progress on each
// write cycle.
type WriteCounter struct {
Total uint64
FileSize uint64
}
func (wc *WriteCounter) Write(p []byte) (int, error) {
n := len(p)
wc.Total += uint64(n)
wc.PrintProgress()
return n, nil
}
func (wc WriteCounter) PrintProgress() {
fmt.Printf("\rDownloading... %f MB complete. %f %% ",
float64(wc.Total)/(1024*1024),
float64(wc.Total)/float64(wc.FileSize)*100)
}
func HttpGetWithRetry(retry int, url string) ([]byte, error) {
var e error
for ; retry > 0; retry-- {
b, err := HttpGet(url)
if err == nil {
return b, nil
} else {
e = err
continue
}
}
return nil, e
}
// map[string][]string to query
func MapQueryToString(values map[string][]string) string {
var items []string
for key, vals := range values {
key = url.QueryEscape(key)
for _, val := range vals {
val = url.QueryEscape(val)
var (
item string
)
if key != "" {
item = fmt.Sprintf("%s=%s", key, val)
} else {
item = val
}
if item != "" {
items = append(items, item)
}
}
}
sort.SliceStable(items, func(i, j int) bool {
return items[i] < items[j]
})
return strings.Join(items, "&")
}
func DomainToURLFilter(domain string) (*regexp.Regexp, error) {
urlFilterTmp := "^https?://%s"
var re string
if !strings.Contains(domain, "/") {
// 不包含路径匹配,那么通配符不应该包含路径和问号
if !strings.Contains(domain, "*") {
re = fmt.Sprintf(urlFilterTmp, regexp.QuoteMeta(domain))
} else {
re = fmt.Sprintf(urlFilterTmp, regexp.QuoteMeta(strings.ReplaceAll(domain, "*", "WILDCARD")))
re = strings.ReplaceAll(re, "WILDCARD", "[^/^?^#]*")
}
} else {
results := strings.SplitN(domain, "/", 2)
if len(results) != 2 {
return nil, errors.Errorf("[%s] split path failed", domain)
}
domain, path := results[0], results[1]
var (
domainRegex, pathRegex string
)
// 匹配域名部分
if !strings.Contains(domain, "*") {
domainRegex = fmt.Sprintf(urlFilterTmp, regexp.QuoteMeta(domain))
} else {
domainRegex = fmt.Sprintf(urlFilterTmp, regexp.QuoteMeta(strings.ReplaceAll(domain, "*", "WILDCARD")))
domainRegex = strings.ReplaceAll(domainRegex, "WILDCARD", "[^/^?^#^&]*")
}
// 匹配路径部分
if strings.Contains(path, "*") {
pathRegex = strings.ReplaceAll(path, "*", ".*")
}
re = fmt.Sprintf(`%s/%s`, domainRegex, pathRegex)
// if re == "\\/" {
// log.Fatalf("domain: %s path: %s re: %s", domainRegex, pathRegex, re)
// }
}
return regexp.Compile(re)
}
func CalcAbsolutelyURLWithoutFragment(origin *url.URL, u string) string {
if strings.HasPrefix(u, "#") {
return ""
}
absURL, err := origin.Parse(u)
if err != nil {
return ""
}
absURL.Fragment = ""
if absURL.Scheme == "//" {
absURL.Scheme = origin.Scheme
}
return absURL.String()
}
func CalcAbsolutelyURLWithFragment(origin *url.URL, u string) string {
absURL, err := origin.Parse(u)
if err != nil {
return ""
}
absURL.Fragment = ""
if absURL.Scheme == "//" {
absURL.Scheme = origin.Scheme
}
return absURL.String()
}