/
generator.go
74 lines (62 loc) · 2 KB
/
generator.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
package main
import (
"bytes"
"net/http"
"regexp"
"strings"
)
const regexForVariable = "\\$\\(.*?\\)"
var r, _ = regexp.Compile(regexForVariable)
type GoltGenerator struct {
RegexMap map[string]string
}
func (g *GoltGenerator) BuildRequest(shouldRegex bool, request GoltRequest) *http.Request {
if shouldRegex {
return g.buildRegexRequest(request)
} else {
return g.buildRegularRequest(request)
}
}
func (g *GoltGenerator) buildRegexRequest(request GoltRequest) *http.Request {
payloadString := g.generatePayload(request)
payload := []byte(payloadString)
req, _ := http.NewRequest(request.Method, request.URL, bytes.NewBuffer(payload))
headers := g.generateHeaders(request)
for k, v := range headers {
req.Header.Set(k, *v)
}
return req
}
func (g *GoltGenerator) buildRegularRequest(request GoltRequest) *http.Request {
payload := []byte(request.Payload)
req, _ := http.NewRequest(request.Method, request.URL, bytes.NewBuffer(payload))
for k, v := range request.Headers {
req.Header.Set(k, *v)
}
return req
}
func (g *GoltGenerator) generatePayload(request GoltRequest) string {
// We are passing the pointer of the Payload to modify it's value
g.replaceRegex(r, &request.Payload)
return request.Payload
}
func (g *GoltGenerator) generateHeaders(request GoltRequest) map[string]*string {
for k := range request.Headers {
// We are passing a pointer of the value in the map to replace it's value
g.replaceRegex(r, request.Headers[k])
}
return request.Headers
}
func (g *GoltGenerator) replaceRegex(regex *regexp.Regexp, value *string) {
/*
Given a specific regular expression, a pointer to a string and a map of stored variable
This method will have the side effect of changing the value pointer by the string if the regex is matching
*/
if regex.MatchString(*value) {
for _, foundMatch := range regex.FindAllString(*value, -1) {
mapKey := foundMatch[2 : len(foundMatch)-1]
extractedValue := g.RegexMap[mapKey]
*value = strings.Replace(*value, foundMatch, extractedValue, -1)
}
}
}