105 lines
2.2 KiB
Go
105 lines
2.2 KiB
Go
package oidc
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import (
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"strings"
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"github.com/ory/fosite"
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"gopkg.in/square/go-jose.v2"
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)
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// IsPushedAuthorizedRequest returns true if the requester has a PushedAuthorizationRequest redirect_uri value.
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func IsPushedAuthorizedRequest(r fosite.Requester, prefix string) bool {
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return strings.HasPrefix(r.GetRequestForm().Get(FormParameterRequestURI), prefix)
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}
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// SortedSigningAlgs is a sorting type which allows the use of sort.Sort to order a list of OAuth 2.0 Signing Algs.
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// Sorting occurs in the order of from within the RFC's.
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type SortedSigningAlgs []string
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func (algs SortedSigningAlgs) Len() int {
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return len(algs)
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}
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func (algs SortedSigningAlgs) Less(i, j int) bool {
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return isSigningAlgLess(algs[i], algs[j])
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}
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func (algs SortedSigningAlgs) Swap(i, j int) {
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algs[i], algs[j] = algs[j], algs[i]
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}
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type SortedJSONWebKey []jose.JSONWebKey
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func (jwks SortedJSONWebKey) Len() int {
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return len(jwks)
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}
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func (jwks SortedJSONWebKey) Less(i, j int) bool {
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if jwks[i].Algorithm == jwks[j].Algorithm {
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return jwks[i].KeyID < jwks[j].KeyID
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}
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return isSigningAlgLess(jwks[i].Algorithm, jwks[j].Algorithm)
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}
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func (jwks SortedJSONWebKey) Swap(i, j int) {
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jwks[i], jwks[j] = jwks[j], jwks[i]
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}
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//nolint:gocyclo // Low importance func.
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func isSigningAlgLess(i, j string) bool {
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switch {
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case i == j:
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return false
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case i == SigningAlgNone:
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return false
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case j == SigningAlgNone:
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return true
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default:
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var (
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ip, jp string
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it, jt bool
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)
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if len(i) > 2 {
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it = true
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ip = i[:2]
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}
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if len(j) > 2 {
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jt = true
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jp = j[:2]
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}
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switch {
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case it && jt && ip == jp:
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return i < j
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case ip == SigningAlgPrefixHMAC:
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return true
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case jp == SigningAlgPrefixHMAC:
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return false
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case ip == SigningAlgPrefixRSAPSS:
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return false
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case jp == SigningAlgPrefixRSAPSS:
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return true
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case ip == SigningAlgPrefixRSA:
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return true
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case jp == SigningAlgPrefixRSA:
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return false
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case ip == SigningAlgPrefixECDSA:
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return true
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case jp == SigningAlgPrefixECDSA:
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return false
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default:
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return false
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}
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}
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}
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const (
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SigningAlgPrefixRSA = "RS"
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SigningAlgPrefixHMAC = "HS"
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SigningAlgPrefixRSAPSS = "PS"
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SigningAlgPrefixECDSA = "ES"
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)
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