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error.go
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error.go
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package render
import "github.com/valyala/fasthttp"
const (
CodeValue = "VALUE"
CodeUserExists = "USER_EXISTS"
CodeInternal = "INTERNAL"
CodeTokenRequired = "ACCESS_TOKEN_REQUIRED"
CodeTokenInvalid = "ACCESS_TOKEN_INVALID"
CodeTokenExpired = "ACCESS_TOKEN_EXPIRED"
CodeTokenRevoked = "ACCESS_TOKEN_REVOKED"
CodeTokenInsufficient = "FORBIDDEN"
)
const (
authRealm = "boris.army"
authPrelude = `Bearer authRealm="` + authRealm + `"`
)
func ErrBadReq(w *fasthttp.RequestCtx, code, mes string) {
w.SetStatusCode(fasthttp.StatusBadRequest)
Err(w, code, mes)
}
func ErrConflict(w *fasthttp.RequestCtx, code, mes string) {
w.SetStatusCode(fasthttp.StatusConflict)
Err(w, code, mes)
}
func ErrInternal(w *fasthttp.RequestCtx, mes string) {
w.SetStatusCode(fasthttp.StatusInternalServerError)
Err(w, CodeInternal, mes)
}
func Err(w *fasthttp.RequestCtx, code, mes string) {
w.SetContentType("application/json")
_, _ = w.WriteString(`{"err":{"code":"`)
_, _ = w.WriteString(code)
if len(mes) > 0 {
_, _ = w.WriteString(`","mes":"`)
_, _ = w.WriteString(mes)
}
_, _ = w.WriteString(`"}}`)
}
func ErrAccessTokenRequired(w *fasthttp.RequestCtx) {
setNoTokenHeaders(w)
Err(w, CodeTokenRequired, "")
}
func ErrAccessTokenInvalid(w *fasthttp.RequestCtx) {
setInvalidTokenHeaders(w)
Err(w, CodeTokenInvalid, "")
}
func ErrAccessTokenExpired(w *fasthttp.RequestCtx) {
setInvalidTokenHeaders(w)
const desc = `error_description="The access token expired"`
w.Response.Header.Add(fasthttp.HeaderWWWAuthenticate, desc)
Err(w, CodeTokenExpired, "")
}
func ErrAccessTokenRevoked(w *fasthttp.RequestCtx) {
setInvalidTokenHeaders(w)
const desc = `error_description="The access token had been revoked"`
w.Response.Header.Add(fasthttp.HeaderWWWAuthenticate, desc)
Err(w, CodeTokenRevoked, "")
}
func ErrAccessTokenInsufficient(w *fasthttp.RequestCtx) {
w.SetStatusCode(fasthttp.StatusForbidden)
w.Response.Header.Add(fasthttp.HeaderWWWAuthenticate, authPrelude)
w.Response.Header.Add(fasthttp.HeaderWWWAuthenticate, `error="insufficient_scope"`)
Err(w, CodeTokenInsufficient, "")
}
func setNoTokenHeaders(w *fasthttp.RequestCtx) {
w.SetStatusCode(fasthttp.StatusUnauthorized)
w.Response.Header.Set(fasthttp.HeaderWWWAuthenticate, authPrelude)
}
func setInvalidTokenHeaders(w *fasthttp.RequestCtx) {
setNoTokenHeaders(w)
w.Response.Header.Add(fasthttp.HeaderWWWAuthenticate, `error="invalid_token"`)
}