// APIHandler is responsible for receiving API commands over HTTP.
func (app *Application) APIHandler(w http.ResponseWriter, r *http.Request) {
pk := ProjectKey(r.URL.Path[len("/api/"):])
contentType := r.Header.Get("Content-Type")
var sign string
var data []byte
var err error
if strings.HasPrefix(strings.ToLower(contentType), "application/json") {
// json request
sign = r.Header.Get("X-API-Sign")
defer r.Body.Close()
data, err = ioutil.ReadAll(r.Body)
if err != nil {
logger.ERROR.Println(err)
http.Error(w, "Internal Server Error", http.StatusInternalServerError)
return
}
} else {
// application/x-www-form-urlencoded request
sign = r.FormValue("sign")
data = []byte(r.FormValue("data"))
}
if sign == "" {
logger.ERROR.Println("no sign found in API request")
http.Error(w, "Bad Request", http.StatusBadRequest)
return
}
if len(data) == 0 {
logger.ERROR.Println("no data found in API request")
http.Error(w, "Bad Request", http.StatusBadRequest)
return
}
project, exists := app.projectByKey(pk)
if !exists {
logger.ERROR.Println("no project found with key", pk)
http.Error(w, "Project not found", http.StatusNotFound)
return
}
secret := project.Secret
isValid := auth.CheckApiSign(secret, string(pk), data, sign)
if !isValid {
logger.ERROR.Println("invalid sign")
http.Error(w, "Unauthorized", http.StatusUnauthorized)
return
}
commands, err := cmdFromAPIMsg(data)
if err != nil {
logger.ERROR.Println(err)
http.Error(w, "Bad Request", http.StatusBadRequest)
return
}
var mr multiResponse
for _, command := range commands {
resp, err := app.apiCmd(project, command)
if err != nil {
logger.ERROR.Println(err)
http.Error(w, "Bad Request", http.StatusBadRequest)
return
}
mr = append(mr, resp)
}
jsonResp, err := json.Marshal(mr)
if err != nil {
logger.ERROR.Println(err)
http.Error(w, "Internal Server Error", http.StatusInternalServerError)
return
}
w.Header().Set("Content-Type", "application/json")
w.Write(jsonResp)
}
// APIHandler is responsible for receiving API commands over HTTP.
func (app *Application) APIHandler(w http.ResponseWriter, r *http.Request) {
app.metrics.numAPIRequests.Inc(1)
defer app.metrics.timeAPI.UpdateSince(time.Now())
contentType := r.Header.Get("Content-Type")
var sign string
var data []byte
var err error
if strings.HasPrefix(strings.ToLower(contentType), "application/json") {
// json request
sign = r.Header.Get("X-API-Sign")
defer r.Body.Close()
data, err = ioutil.ReadAll(r.Body)
if err != nil {
logger.ERROR.Println(err)
http.Error(w, "Internal Server Error", http.StatusInternalServerError)
return
}
} else {
// application/x-www-form-urlencoded request
sign = r.FormValue("sign")
data = []byte(r.FormValue("data"))
}
app.RLock()
secret := app.config.Secret
insecure := app.config.InsecureAPI
app.RUnlock()
if sign == "" && !insecure {
logger.ERROR.Println("no sign found in API request")
http.Error(w, "Bad Request", http.StatusBadRequest)
return
}
if len(data) == 0 {
logger.ERROR.Println("no data found in API request")
http.Error(w, "Bad Request", http.StatusBadRequest)
return
}
if !insecure {
if secret == "" {
logger.ERROR.Println("no secret set in config")
http.Error(w, "Bad Request", http.StatusBadRequest)
return
}
isValid := auth.CheckApiSign(secret, data, sign)
if !isValid {
logger.ERROR.Println("invalid sign")
http.Error(w, "Unauthorized", http.StatusUnauthorized)
return
}
}
commands, err := cmdFromAPIMsg(data)
if err != nil {
logger.ERROR.Println(err)
http.Error(w, "Bad Request", http.StatusBadRequest)
return
}
var mr multiResponse
for _, command := range commands {
resp, err := app.apiCmd(command)
if err != nil {
logger.ERROR.Println(err)
http.Error(w, "Bad Request", http.StatusBadRequest)
return
}
mr = append(mr, resp)
}
jsonResp, err := json.Marshal(mr)
if err != nil {
logger.ERROR.Println(err)
http.Error(w, "Internal Server Error", http.StatusInternalServerError)
return
}
w.Header().Set("Content-Type", "application/json")
w.Write(jsonResp)
}