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wakapi/middlewares/custom/wakatime.go

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package relay
import (
"bytes"
"encoding/base64"
"fmt"
"github.com/emvi/logbuch"
"github.com/muety/wakapi/config"
"github.com/muety/wakapi/middlewares"
"io"
"io/ioutil"
"net/http"
"time"
)
/* Middleware to conditionally relay heartbeats to Wakatime */
type WakatimeRelayMiddleware struct {
httpClient *http.Client
}
func NewWakatimeRelayMiddleware() *WakatimeRelayMiddleware {
return &WakatimeRelayMiddleware{
httpClient: &http.Client{
Timeout: 10 * time.Second,
},
}
}
func (m *WakatimeRelayMiddleware) Handler(h http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
m.ServeHTTP(w, r, h.ServeHTTP)
})
}
func (m *WakatimeRelayMiddleware) ServeHTTP(w http.ResponseWriter, r *http.Request, next http.HandlerFunc) {
defer next(w, r)
if r.Method != http.MethodPost {
return
}
user := middlewares.GetPrincipal(r)
if user == nil || user.WakatimeApiKey == "" {
return
}
body, _ := ioutil.ReadAll(r.Body)
r.Body.Close()
r.Body = ioutil.NopCloser(bytes.NewBuffer(body))
headers := http.Header{
"X-Machine-Name": r.Header.Values("X-Machine-Name"),
"Content-Type": r.Header.Values("Content-Type"),
"Accept": r.Header.Values("Accept"),
"User-Agent": r.Header.Values("User-Agent"),
"X-Origin": []string{
fmt.Sprintf("wakapi v%s", config.Get().Version),
},
"Authorization": []string{
fmt.Sprintf("Basic %s", base64.StdEncoding.EncodeToString([]byte(user.WakatimeApiKey))),
},
}
go m.send(
http.MethodPost,
config.WakatimeApiUrl+config.WakatimeApiHeartbeatsBulkUrl,
bytes.NewReader(body),
headers,
)
}
func (m *WakatimeRelayMiddleware) send(method, url string, body io.Reader, headers http.Header) {
request, err := http.NewRequest(method, url, body)
if err != nil {
logbuch.Warn("error constructing relayed request %v", err)
return
}
for k, v := range headers {
for _, h := range v {
request.Header.Set(k, h)
}
}
response, err := m.httpClient.Do(request)
if err != nil {
logbuch.Warn("error executing relayed request %v", err)
return
}
if response.StatusCode < 200 || response.StatusCode >= 300 {
logbuch.Warn("failed to relay request, got status %d", response.StatusCode)
}
}