107 lines
3.1 KiB
Go
107 lines
3.1 KiB
Go
package message
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import (
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"errors"
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"net/http"
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"strings"
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)
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// ErrorWithCode wraps an internal error with an http code, and a 'safe' version of
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// the error that can be served to clients without revealing internal business logic.
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//
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// A typical use of this error would be to first log the Original error, then return
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// the Safe error and the StatusCode to an API caller.
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type ErrorWithCode interface {
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// Error returns the original internal error for debugging within the GoToSocial logs.
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// This should *NEVER* be returned to a client as it may contain sensitive information.
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Error() string
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// Safe returns the API-safe version of the error for serialization towards a client.
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// There's not much point logging this internally because it won't contain much helpful information.
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Safe() string
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// Code returns the status code for serving to a client.
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Code() int
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}
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type errorWithCode struct {
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original error
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safe error
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code int
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}
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func (e errorWithCode) Error() string {
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return e.original.Error()
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}
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func (e errorWithCode) Safe() string {
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return e.safe.Error()
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}
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func (e errorWithCode) Code() int {
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return e.code
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}
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// NewErrorBadRequest returns an ErrorWithCode 400 with the given original error and optional help text.
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func NewErrorBadRequest(original error, helpText ...string) ErrorWithCode {
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safe := "bad request"
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if helpText != nil {
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safe = safe + ": " + strings.Join(helpText, ": ")
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}
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return errorWithCode{
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original: original,
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safe: errors.New(safe),
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code: http.StatusBadRequest,
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}
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}
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// NewErrorNotAuthorized returns an ErrorWithCode 401 with the given original error and optional help text.
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func NewErrorNotAuthorized(original error, helpText ...string) ErrorWithCode {
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safe := "not authorized"
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if helpText != nil {
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safe = safe + ": " + strings.Join(helpText, ": ")
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}
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return errorWithCode{
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original: original,
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safe: errors.New(safe),
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code: http.StatusUnauthorized,
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}
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}
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// NewErrorForbidden returns an ErrorWithCode 403 with the given original error and optional help text.
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func NewErrorForbidden(original error, helpText ...string) ErrorWithCode {
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safe := "forbidden"
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if helpText != nil {
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safe = safe + ": " + strings.Join(helpText, ": ")
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}
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return errorWithCode{
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original: original,
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safe: errors.New(safe),
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code: http.StatusForbidden,
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}
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}
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// NewErrorNotFound returns an ErrorWithCode 404 with the given original error and optional help text.
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func NewErrorNotFound(original error, helpText ...string) ErrorWithCode {
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safe := "404 not found"
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if helpText != nil {
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safe = safe + ": " + strings.Join(helpText, ": ")
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}
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return errorWithCode{
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original: original,
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safe: errors.New(safe),
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code: http.StatusNotFound,
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}
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}
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// NewErrorInternalError returns an ErrorWithCode 500 with the given original error and optional help text.
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func NewErrorInternalError(original error, helpText ...string) ErrorWithCode {
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safe := "internal server error"
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if helpText != nil {
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safe = safe + ": " + strings.Join(helpText, ": ")
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}
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return errorWithCode{
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original: original,
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safe: errors.New(safe),
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code: http.StatusInternalServerError,
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}
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}
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