/
headers.go
163 lines (131 loc) · 3.05 KB
/
headers.go
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package lib
import (
"fmt"
"net/http"
"regexp"
"sort"
"strings"
)
type Headers struct {
kv map[string][]string
}
type OrderedMapCallback func(k, v string)
func (headers *Headers) AddBulk(all map[string]string) *Headers {
if headers.kv == nil {
headers.kv = make(map[string][]string)
}
for key, val := range all {
if headers.kv[key] == nil {
headers.kv[key] = []string{val}
} else {
headers.kv[key] = append(headers.kv[key], val)
}
}
return headers
}
func (headers *Headers) Add(k string, v string) *Headers {
if headers.kv == nil {
headers.kv = make(map[string][]string)
}
if headers.kv[k] == nil {
headers.kv[k] = []string{v}
} else {
headers.kv[k] = append(headers.kv[k], v)
}
return headers
}
func (headers *Headers) Set(k string, v string) *Headers {
if headers.kv == nil {
headers.kv = make(map[string][]string)
}
existingKey := headers.GetKey(k)
if existingKey != nil {
headers.kv[*existingKey][0] = v
} else {
headers.kv[k] = []string{v}
}
return headers
}
func (headers *Headers) Get(searchKey string) (found *string) {
if headers.kv == nil {
return nil
}
for key, val := range headers.kv {
if strings.ToLower(searchKey) == strings.ToLower(key) {
return &val[0]
}
}
return nil
}
func (headers *Headers) GetKey(searchKey string) *string {
if headers.kv == nil {
return nil
}
for key := range headers.kv {
if strings.ToLower(searchKey) == strings.ToLower(key) {
return &key
}
}
return nil
}
func (headers *Headers) GetAll() map[string][]string {
allHeaders := make(map[string][]string)
for key, val := range headers.kv {
allHeaders[key] = val
allHeaders[strings.ToLower(key)] = val
}
return allHeaders
}
func (headers *Headers) SetCookies(cookies map[string]string) {
cookieRegex := regexp.MustCompile(`;\s?`)
existingCookieHeader := headers.Get("cookie")
if existingCookieHeader != nil {
cookiesFromHeader := cookieRegex.Split(*existingCookieHeader, -1)
for _, cookie := range cookiesFromHeader {
kv := strings.Split(cookie, "=")
if len(kv) == 2 {
cookies[kv[0]] = kv[1]
}
}
}
var cookieHeader string
for k, v := range cookies {
cookieHeader += fmt.Sprintf("%s=%s; ", k, v)
}
headers.Set("cookie", strings.TrimSuffix(cookieHeader, "; "))
}
func (headers *Headers) ToRequest(httpReq *http.Request) {
if headers.kv == nil {
return
}
for key, value := range headers.kv {
httpReq.Header.Set(key, value[0])
}
}
func (headers *Headers) FromResponse(resHeaders http.Header) *Headers {
if headers.kv == nil {
headers.kv = make(map[string][]string)
}
for key, slice := range resHeaders {
for i, val := range slice {
if headers.kv[key] == nil {
headers.kv[key] = make([]string, len(slice))
}
headers.kv[key][i] = val
}
}
return headers
}
func (headers *Headers) OrderedCallBack(cb OrderedMapCallback) {
if headers.kv == nil {
headers.kv = make(map[string][]string)
}
keys := make([]string, 0, len(headers.kv))
for k := range headers.kv {
keys = append(keys, k)
}
sort.Strings(keys)
for _, k := range keys {
cb(k, headers.kv[k][0])
}
}