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httpclient.go
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httpclient.go
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package httpclient
import (
"bufio"
"crypto/tls"
"fmt"
log "github.com/sirupsen/logrus"
"github.com/wneessen/sotbot/version"
"net/http"
"net/http/cookiejar"
"time"
)
func NewHttpClient() (*http.Client, error) {
tlsConfig := &tls.Config{
MaxVersion: tls.VersionTLS13,
MinVersion: tls.VersionTLS12,
Renegotiation: tls.RenegotiateFreelyAsClient,
}
httpTransport := &http.Transport{TLSClientConfig: tlsConfig}
cookieJar, err := cookiejar.New(nil)
if err != nil {
return &http.Client{}, err
}
httpClient := &http.Client{
Transport: httpTransport,
Timeout: 10 * time.Second,
Jar: cookieJar,
}
return httpClient, nil
}
// Perform a GET request
func HttpReqGet(u string, hc *http.Client, rc string, ref string) ([]byte, error) {
l := log.WithFields(log.Fields{
"action": "httpclient.HttpReqGet",
})
// Create a HTTP request
httpReq, err := http.NewRequest("GET", u, nil)
if err != nil {
return []byte{}, fmt.Errorf("an error occured creating new HTTP GET request: %v", err)
}
// Set cookie
if rc != "" {
ratCookie := &http.Cookie{
Name: "rat",
Value: rc,
}
httpReq.AddCookie(ratCookie)
}
// Set referer
if ref != "" {
httpReq.Header.Set("referer", ref)
}
if ref == "" {
httpReq.Header.Set("referer", "https://www.seaofthieves.com/profile/achievements")
}
// Set HTTP header
setReqHeader(httpReq)
serverResp, err := hc.Do(httpReq)
if err != nil {
return []byte{}, err
}
defer func() {
err := serverResp.Body.Close()
if err != nil {
l.Printf("error while closing response body: %v", err)
}
}()
if serverResp.StatusCode != 200 {
return []byte{}, fmt.Errorf("%v", serverResp.StatusCode)
}
// Read the response body
var respBody []byte
scanner := bufio.NewScanner(serverResp.Body)
buf := make([]byte, 0, 64*1024)
scanner.Buffer(buf, 1024*1024)
for scanner.Scan() {
respBody = scanner.Bytes()
}
if err = scanner.Err(); err != nil {
return []byte{}, err
}
return respBody, nil
}
// Set package specific HTTP header
func setReqHeader(h *http.Request) {
h.Header.Set("User-Agent", fmt.Sprintf("SoT Discord Bot v%v", version.Version))
h.Header.Set("Accept", "*/*")
}