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	Reviewed-on: https://codeberg.org/superseriousbusiness/gotosocial/pulls/4367 Co-authored-by: kim <grufwub@gmail.com> Co-committed-by: kim <grufwub@gmail.com>
		
			
				
	
	
		
			89 lines
		
	
	
	
		
			2.8 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			89 lines
		
	
	
	
		
			2.8 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
package jwt
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import (
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	"errors"
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	"fmt"
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	"strings"
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)
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var (
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	ErrInvalidKey                = errors.New("key is invalid")
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	ErrInvalidKeyType            = errors.New("key is of invalid type")
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	ErrHashUnavailable           = errors.New("the requested hash function is unavailable")
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	ErrTokenMalformed            = errors.New("token is malformed")
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	ErrTokenUnverifiable         = errors.New("token is unverifiable")
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	ErrTokenSignatureInvalid     = errors.New("token signature is invalid")
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	ErrTokenRequiredClaimMissing = errors.New("token is missing required claim")
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	ErrTokenInvalidAudience      = errors.New("token has invalid audience")
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	ErrTokenExpired              = errors.New("token is expired")
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	ErrTokenUsedBeforeIssued     = errors.New("token used before issued")
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	ErrTokenInvalidIssuer        = errors.New("token has invalid issuer")
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	ErrTokenInvalidSubject       = errors.New("token has invalid subject")
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	ErrTokenNotValidYet          = errors.New("token is not valid yet")
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	ErrTokenInvalidId            = errors.New("token has invalid id")
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	ErrTokenInvalidClaims        = errors.New("token has invalid claims")
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	ErrInvalidType               = errors.New("invalid type for claim")
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)
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// joinedError is an error type that works similar to what [errors.Join]
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// produces, with the exception that it has a nice error string; mainly its
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// error messages are concatenated using a comma, rather than a newline.
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type joinedError struct {
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	errs []error
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}
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func (je joinedError) Error() string {
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	msg := []string{}
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	for _, err := range je.errs {
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		msg = append(msg, err.Error())
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	}
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	return strings.Join(msg, ", ")
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}
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// joinErrors joins together multiple errors. Useful for scenarios where
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// multiple errors next to each other occur, e.g., in claims validation.
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func joinErrors(errs ...error) error {
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	return &joinedError{
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		errs: errs,
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	}
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}
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// Unwrap implements the multiple error unwrapping for this error type, which is
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// possible in Go 1.20.
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func (je joinedError) Unwrap() []error {
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	return je.errs
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}
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// newError creates a new error message with a detailed error message. The
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// message will be prefixed with the contents of the supplied error type.
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// Additionally, more errors, that provide more context can be supplied which
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// will be appended to the message. This makes use of Go 1.20's possibility to
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// include more than one %w formatting directive in [fmt.Errorf].
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//
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// For example,
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//
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//	newError("no keyfunc was provided", ErrTokenUnverifiable)
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//
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// will produce the error string
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//
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//	"token is unverifiable: no keyfunc was provided"
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func newError(message string, err error, more ...error) error {
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	var format string
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	var args []any
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	if message != "" {
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		format = "%w: %s"
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		args = []any{err, message}
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	} else {
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		format = "%w"
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		args = []any{err}
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	}
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	for _, e := range more {
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		format += ": %w"
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		args = append(args, e)
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	}
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	err = fmt.Errorf(format, args...)
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	return err
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}
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