Implement the token endpoint

2 files changed, 250 insertions, 234 deletions

diff --git a/po/fr.po b/po/fr.po
index 96d65b4..ed6fea5 100644
--- a/po/fr.po
+++ b/po/fr.po
@@ -126,101 +126,101 @@ msgstr "Utilisation : generate-random [NOMBRE D'OCTETS]\n"
 msgid "Usage: generate-key [NUMBER OF BITS | CURVE]\n"
 msgstr "Utilisation : generate-key [NOMBRE DE BITS | COURBE]\n"
 
-#: src/scm/webid-oidc/errors.scm:799
+#: src/scm/webid-oidc/errors.scm:829
 msgid "that’s how it is"
 msgstr "c’est comme ça"
 
-#: src/scm/webid-oidc/errors.scm:804
+#: src/scm/webid-oidc/errors.scm:834
 #, scheme-format
 msgid "the value ~s is not a base64 string (because ~a)"
 msgstr "la valeur ~s n’est pas une chaîne base64 (parce que ~a)"
 
-#: src/scm/webid-oidc/errors.scm:807
+#: src/scm/webid-oidc/errors.scm:837
 #, scheme-format
 msgid "the value ~s is not JSON (because ~a)"
 msgstr "la valeur ~s n’est pas du JSON (parce que ~a)"
 
-#: src/scm/webid-oidc/errors.scm:810
+#: src/scm/webid-oidc/errors.scm:840
 #, scheme-format
 msgid "the value ~s is not Turtle (because ~a)"
 msgstr "la valeur ~s n’est pas du Turtle (parce que ~a)"
 
-#: src/scm/webid-oidc/errors.scm:813
+#: src/scm/webid-oidc/errors.scm:843
 #, scheme-format
 msgid "the value ~s does not identify an elleptic curve"
 msgstr "la valeur ~s n’identifie pas une courbe elliptique"
 
-#: src/scm/webid-oidc/errors.scm:818
+#: src/scm/webid-oidc/errors.scm:848
 #, scheme-format
 msgid "the value ~s does not identify a JWK (because ~a)"
 msgstr "la valeur ~s n’identifie pas une JWK (parce que ~a)"
 
-#: src/scm/webid-oidc/errors.scm:820
+#: src/scm/webid-oidc/errors.scm:850
 #, scheme-format
 msgid "the value ~s does not identify a JWK"
 msgstr "la valeur ~s n’identifie pas une JWK"
 
-#: src/scm/webid-oidc/errors.scm:825
+#: src/scm/webid-oidc/errors.scm:855
 #, scheme-format
 msgid "the value ~s does not identify a public JWK (because ~a)"
 msgstr "la valeur ~s n’identifie pas une JWK publique (parce que ~a)"
 
-#: src/scm/webid-oidc/errors.scm:827
+#: src/scm/webid-oidc/errors.scm:857
 #, scheme-format
 msgid "the value ~s does not identify a public JWK"
 msgstr "la valeur ~s n’identifie pas une JWK publique"
 
-#: src/scm/webid-oidc/errors.scm:832
+#: src/scm/webid-oidc/errors.scm:862
 #, scheme-format
 msgid "the value ~s does not identify a private JWK (because ~a)"
 msgstr "la valeur ~s n’identifie pas une JWK privée (parce que ~a)"
 
-#: src/scm/webid-oidc/errors.scm:834
+#: src/scm/webid-oidc/errors.scm:864
 #, scheme-format
 msgid "the value ~s does not identify a private JWK"
 msgstr "la valeur ~s n’identifie pas une JWK privée"
 
-#: src/scm/webid-oidc/errors.scm:839
+#: src/scm/webid-oidc/errors.scm:869
 #, scheme-format
 msgid "the value ~s does not identify a JWKS (because ~a)"
 msgstr "la valeur ~s n’identifie pas un JWKS (parce que ~a)"
 
-#: src/scm/webid-oidc/errors.scm:841
+#: src/scm/webid-oidc/errors.scm:871
 #, scheme-format
 msgid "the value ~s does not identify a JWKS"
 msgstr "la valeur ~s n’identifie pas un JWKS"
 
-#: src/scm/webid-oidc/errors.scm:844
+#: src/scm/webid-oidc/errors.scm:874
 #, scheme-format
 msgid "the value ~s does not identify a hash algorithm"
 msgstr "la valeur ~s n’identifie pas un algorithme de hachage"
 
-#: src/scm/webid-oidc/errors.scm:847
+#: src/scm/webid-oidc/errors.scm:877
 #, scheme-format
 msgid "the value ~s is not an alist or misses key ~s"
 msgstr "la valeur ~s n’est pas une alist ou il manque la clé ~s"
 
-#: src/scm/webid-oidc/errors.scm:850
+#: src/scm/webid-oidc/errors.scm:880
 #, scheme-format
 msgid "the value ~s is not a JWS header (because ~a)"
 msgstr "la valeur ~s n’est pas un header JWS (parce que ~a)"
 
-#: src/scm/webid-oidc/errors.scm:853
+#: src/scm/webid-oidc/errors.scm:883
 #, scheme-format
 msgid "the value ~s is not a JWS payload (because ~a)"
 msgstr "la valeur ~s n’est pas un contenu JWS (parce que ~a)"
 
-#: src/scm/webid-oidc/errors.scm:856
+#: src/scm/webid-oidc/errors.scm:886
 #, scheme-format
 msgid "the value ~s is not a JWS (because ~a)"
 msgstr "la valeur ~s n’est pas un JWS (parce que ~a)"
 
-#: src/scm/webid-oidc/errors.scm:859
+#: src/scm/webid-oidc/errors.scm:889
 #, scheme-format
 msgid "the string ~s cannot be split in 3 parts with ~s"
 msgstr "la chaîne ~s ne peut pas être découpée en 3 parties avec ~s"
 
-#: src/scm/webid-oidc/errors.scm:862
+#: src/scm/webid-oidc/errors.scm:892
 #, scheme-format
 msgid ""
 "all key candidates failed to verify signature ~s with algorithm ~s and "
@@ -229,17 +229,17 @@ msgstr ""
 "aucune clé candidate n’a pu vérifier la signature ~s avec l’algorithme ~s et "
 "le contenu ~a (il y en avait ~a : ~s)"
 
-#: src/scm/webid-oidc/errors.scm:865
+#: src/scm/webid-oidc/errors.scm:895
 #, scheme-format
 msgid "I cannot decode JWS ~a (because ~a)"
 msgstr "je n’ai pas pu décoder le JWS encodé par ~a (parce que ~a)"
 
-#: src/scm/webid-oidc/errors.scm:868
+#: src/scm/webid-oidc/errors.scm:898
 #, scheme-format
 msgid "I cannot encode JWS ~a (because ~a)"
 msgstr "je n’ai pas pu encoder le JWS ~a (parce que ~a)"
 
-#: src/scm/webid-oidc/errors.scm:871
+#: src/scm/webid-oidc/errors.scm:901
 #, scheme-format
 msgid ""
 "the server request unexpectedly failed with code ~a and reason phrase ~s"
@@ -247,338 +247,338 @@ msgstr ""
 "la requête au serveur a échoué de façon inattendue avec un code ~a et une "
 "raison ~s"
 
-#: src/scm/webid-oidc/errors.scm:876
+#: src/scm/webid-oidc/errors.scm:906
 #, scheme-format
 msgid "the header ~a should not have the value ~s"
 msgstr "l’en-tête ~a ne devrait pas avoir la valeur ~s"
 
-#: src/scm/webid-oidc/errors.scm:878
+#: src/scm/webid-oidc/errors.scm:908
 #, scheme-format
 msgid "the header ~a should be present"
 msgstr "l’en-tête ~a devrait être présent"
 
-#: src/scm/webid-oidc/errors.scm:881
+#: src/scm/webid-oidc/errors.scm:911
 #, scheme-format
 msgid "the server response wasn't expected: ~s (because ~a)"
 msgstr "la réponse du serveur est inattendue : ~s (parce que ~a)"
 
-#: src/scm/webid-oidc/errors.scm:887
+#: src/scm/webid-oidc/errors.scm:917
 #, scheme-format
 msgid "the value ~s is not an OIDC configuration (because ~a)"
 msgstr "la valeur ~s n’est pas une configuration OIDC (parce que ~a)"
 
-#: src/scm/webid-oidc/errors.scm:892
+#: src/scm/webid-oidc/errors.scm:922
 #, scheme-format
 msgid "the webid field is incorrect: ~s"
 msgstr "le champ webid est incorrect : ~s"
 
-#: src/scm/webid-oidc/errors.scm:893
+#: src/scm/webid-oidc/errors.scm:923
 msgid "the webid field is missing"
 msgstr "le champ webid est manquant"
 
-#: src/scm/webid-oidc/errors.scm:897
+#: src/scm/webid-oidc/errors.scm:927
 #, scheme-format
 msgid "the sub field is incorrect: ~s"
 msgstr "le champ sub est incorrect : ~s"
 
-#: src/scm/webid-oidc/errors.scm:898
+#: src/scm/webid-oidc/errors.scm:928
 msgid "the sub field is missing"
 msgstr "le champ sub est manquant"
 
-#: src/scm/webid-oidc/errors.scm:902
+#: src/scm/webid-oidc/errors.scm:932
 #, scheme-format
 msgid "the iss field is incorrect: ~s"
 msgstr "le champ iss est incorrect : ~s"
 
-#: src/scm/webid-oidc/errors.scm:903
+#: src/scm/webid-oidc/errors.scm:933
 msgid "the iss field is missing"
 msgstr "le champ iss est manquant"
 
-#: src/scm/webid-oidc/errors.scm:907
+#: src/scm/webid-oidc/errors.scm:937
 #, scheme-format
 msgid "the aud field is incorrect: ~s"
 msgstr "le champ aud est incorrect : ~s"
 
-#: src/scm/webid-oidc/errors.scm:908
+#: src/scm/webid-oidc/errors.scm:938
 msgid "the aud field is missing"
 msgstr "le champ aud est manquant"
 
-#: src/scm/webid-oidc/errors.scm:912
+#: src/scm/webid-oidc/errors.scm:942
 #, scheme-format
 msgid "the iat field is incorrect: ~s"
 msgstr "le champ iat est incorrect : ~s"
 
-#: src/scm/webid-oidc/errors.scm:913
+#: src/scm/webid-oidc/errors.scm:943
 msgid "the iat field is missing"
 msgstr "le champ iat est manquant"
 
-#: src/scm/webid-oidc/errors.scm:917
+#: src/scm/webid-oidc/errors.scm:947
 #, scheme-format
 msgid "the exp field is incorrect: ~s"
 msgstr "le champ exp est incorrect : ~s"
 
-#: src/scm/webid-oidc/errors.scm:918
+#: src/scm/webid-oidc/errors.scm:948
 msgid "the exp field is missing"
 msgstr "le champ exp est manquant"
 
-#: src/scm/webid-oidc/errors.scm:922
+#: src/scm/webid-oidc/errors.scm:952
 #, scheme-format
 msgid "the cnf/jkt field is incorrect: ~s"
 msgstr "le champ cnf/jkt est incorrect : ~s"
 
-#: src/scm/webid-oidc/errors.scm:923
+#: src/scm/webid-oidc/errors.scm:953
 msgid "the cnf/jkt field is missing"
 msgstr "le champ cnf/jkt est manquant"
 
-#: src/scm/webid-oidc/errors.scm:927
+#: src/scm/webid-oidc/errors.scm:957
 #, scheme-format
 msgid "the client-id field is incorrect: ~s"
 msgstr "le champ client-id est incorrect : ~s"
 
-#: src/scm/webid-oidc/errors.scm:928
+#: src/scm/webid-oidc/errors.scm:958
 msgid "the client-id field is missing"
 msgstr "le champ client-id est manquant"
 
-#: src/scm/webid-oidc/errors.scm:932
+#: src/scm/webid-oidc/errors.scm:962
 #: src/scm/webid-oidc/authorization-page-unsafe.scm:133
 #, scheme-format
 msgid "the redirect_uris field is incorrect: ~s"
 msgstr "le champ redirect_uris est incorrect : ~s"
 
-#: src/scm/webid-oidc/errors.scm:933
+#: src/scm/webid-oidc/errors.scm:963
 #: src/scm/webid-oidc/authorization-page-unsafe.scm:134
 msgid "the redirect_uris field is missing"
 msgstr "le champ redirect_uris est manquant"
 
-#: src/scm/webid-oidc/errors.scm:937
+#: src/scm/webid-oidc/errors.scm:967
 #, scheme-format
 msgid "the typ field is incorrect: ~s"
 msgstr "le champ typ est incorrect : ~s"
 
-#: src/scm/webid-oidc/errors.scm:938
+#: src/scm/webid-oidc/errors.scm:968
 msgid "the typ field is missing"
 msgstr "le champ typ est manquant"
 
-#: src/scm/webid-oidc/errors.scm:942
+#: src/scm/webid-oidc/errors.scm:972
 #, scheme-format
 msgid "the jwk field is incorrect: ~s (because ~a)"
 msgstr "le champ jwk est incorrect : ~s (parce que ~a)"
 
-#: src/scm/webid-oidc/errors.scm:944
+#: src/scm/webid-oidc/errors.scm:974
 msgid "the jwk field is missing"
 msgstr "le champ jwk est manquant"
 
-#: src/scm/webid-oidc/errors.scm:948
+#: src/scm/webid-oidc/errors.scm:978
 #, scheme-format
 msgid "the jti field is incorrect: ~s"
 msgstr "le champ jti est incorrect : ~s"
 
-#: src/scm/webid-oidc/errors.scm:949
+#: src/scm/webid-oidc/errors.scm:979
 msgid "the jti field is missing"
 msgstr "le champ jti est manquant"
 
-#: src/scm/webid-oidc/errors.scm:953
+#: src/scm/webid-oidc/errors.scm:983
 #, scheme-format
 msgid "the nonce field is incorrect: ~s"
 msgstr "le champ nonce est incorrect : ~s"
 
-#: src/scm/webid-oidc/errors.scm:954
+#: src/scm/webid-oidc/errors.scm:984
 msgid "the nonce field is missing"
 msgstr "le champ nonce est manquant"
 
-#: src/scm/webid-oidc/errors.scm:958
+#: src/scm/webid-oidc/errors.scm:988
 #, scheme-format
 msgid "the htm field is incorrect: ~s"
 msgstr "le champ htm est incorrect : ~s"
 
-#: src/scm/webid-oidc/errors.scm:959
+#: src/scm/webid-oidc/errors.scm:989
 msgid "the htm field is missing"
 msgstr "le champ htm est manquant"
 
-#: src/scm/webid-oidc/errors.scm:963
+#: src/scm/webid-oidc/errors.scm:993
 #, scheme-format
 msgid "the htu field is incorrect: ~s"
 msgstr "le champ htu est incorrect : ~s"
 
-#: src/scm/webid-oidc/errors.scm:964
+#: src/scm/webid-oidc/errors.scm:994
 msgid "the htu field is missing"
 msgstr "le champ htu est manquant"
 
-#: src/scm/webid-oidc/errors.scm:966
+#: src/scm/webid-oidc/errors.scm:996
 #, scheme-format
 msgid "~s is not an access token (because ~a)"
 msgstr "~s n’est pas un jeton d’accès (parce que ~a)"
 
-#: src/scm/webid-oidc/errors.scm:969
+#: src/scm/webid-oidc/errors.scm:999
 #, scheme-format
 msgid "~s is not an access token header (because ~a)"
 msgstr "~s n’est pas un en-tête de jeton d’accès (parce que ~a)"
 
-#: src/scm/webid-oidc/errors.scm:972
+#: src/scm/webid-oidc/errors.scm:1002
 #, scheme-format
 msgid "~s is not an access token payload (because ~a)"
 msgstr "~s n’est pas un contenu de jeton d’accès (parce que ~a)"
 
-#: src/scm/webid-oidc/errors.scm:975
+#: src/scm/webid-oidc/errors.scm:1005
 #, scheme-format
 msgid "~s is not a DPoP proof (because ~a)"
 msgstr "~s n’est pas une preuve DPoP (parce que ~a)"
 
-#: src/scm/webid-oidc/errors.scm:978
+#: src/scm/webid-oidc/errors.scm:1008
 #, scheme-format
 msgid "~s is not a DPoP proof header (because ~a)"
 msgstr "~s n’est pas un en-tête de preuve DPoP (parce que ~a)"
 
-#: src/scm/webid-oidc/errors.scm:981
+#: src/scm/webid-oidc/errors.scm:1011
 #, scheme-format
 msgid "~s is not a DPoP proof payload (because ~a)"
 msgstr "~s n’est pas un contenu de preuve DPoP (parce que ~a)"
 
-#: src/scm/webid-oidc/errors.scm:984
+#: src/scm/webid-oidc/errors.scm:1014
 #, scheme-format
 msgid "I cannot fetch the issuer configuration of ~a (because ~a)"
 msgstr ""
 "je n’ai pas pu récupérer la configuration de l’émetteur ~a (parce que ~a)"
 
-#: src/scm/webid-oidc/errors.scm:991
+#: src/scm/webid-oidc/errors.scm:1021
 #, scheme-format
 msgid "I cannot fetch the JWKS of ~a at ~a (because ~a)"
 msgstr "je n’ai pas pu récupérer le JWKS de ~a à ~a (parce que ~a)"
 
-#: src/scm/webid-oidc/errors.scm:1002
+#: src/scm/webid-oidc/errors.scm:1032
 #, scheme-format
 msgid "the HTTP method is signed for ~s, but ~s was requested"
 msgstr "la méthode HTTP a été signée pour ~s, mais ~s a été demandé"
 
-#: src/scm/webid-oidc/errors.scm:1005
+#: src/scm/webid-oidc/errors.scm:1035
 #, scheme-format
 msgid "the HTTP uri is signed for ~a, but ~a was requested"
 msgstr "l’uri HTTP a été signé pour ~a, mais ~a a été demandé"
 
-#: src/scm/webid-oidc/errors.scm:1008
+#: src/scm/webid-oidc/errors.scm:1038
 #, scheme-format
 msgid "the date is ~a, but the DPoP proof is signed in the future at ~a"
 msgstr "la date est ~a, mais la preuve DPoP a été signée dans le futur à ~a"
 
-#: src/scm/webid-oidc/errors.scm:1012
+#: src/scm/webid-oidc/errors.scm:1042
 #, scheme-format
 msgid "the date is ~a, but the DPoP proof was signed too long ago at ~a"
 msgstr ""
 "la date est ~a, mais la preuve DPoP a été signée il y a trop longtemps à ~a"
 
-#: src/scm/webid-oidc/errors.scm:1021
+#: src/scm/webid-oidc/errors.scm:1051
 #, scheme-format
 msgid "the key ~s does not hash to ~a"
 msgstr "la clé ~s ne donne pas un hash de ~a"
 
-#: src/scm/webid-oidc/errors.scm:1023
+#: src/scm/webid-oidc/errors.scm:1053
 #, scheme-format
 msgid "the key confirmation of ~s failed (because ~a)"
 msgstr "la confirmation de clé de ~s a échoué (parce que ~a)"
 
-#: src/scm/webid-oidc/errors.scm:1025
+#: src/scm/webid-oidc/errors.scm:1055
 #, scheme-format
 msgid "the key confirmation of ~s failed"
 msgstr "la confirmation de la clé ~s a échoué"
 
-#: src/scm/webid-oidc/errors.scm:1027
+#: src/scm/webid-oidc/errors.scm:1057
 #, scheme-format
 msgid "the jti ~s has already been found (because ~a)"
 msgstr "le jti ~s a déjà été trouvé (parce que ~a)"
 
-#: src/scm/webid-oidc/errors.scm:1030
+#: src/scm/webid-oidc/errors.scm:1060
 #, scheme-format
 msgid "I cannot decode ~s as an access token (because ~a)"
 msgstr "je n’ai pas pu décoder ~s comme jeton d’accès (parce que ~a)"
 
-#: src/scm/webid-oidc/errors.scm:1033
+#: src/scm/webid-oidc/errors.scm:1063
 #, scheme-format
 msgid "I cannot encode ~s as an access token with key ~s (because ~a)"
 msgstr ""
 "je n’ai pas pu encoder ~s comme un jeton d’accès avec la clé ~s (parce que "
 "~a)"
 
-#: src/scm/webid-oidc/errors.scm:1036
+#: src/scm/webid-oidc/errors.scm:1066
 #, scheme-format
 msgid "I cannot decode ~s as a DPoP proof (because ~a)"
 msgstr "je n’ai pas pu décoder ~s comme preuve DPoP (parce que ~a)"
 
-#: src/scm/webid-oidc/errors.scm:1039
+#: src/scm/webid-oidc/errors.scm:1069
 #, scheme-format
 msgid "I cannot encode ~s as a DPoP proof (because ~a)"
 msgstr "je n’ai pas pu encoder ~s comme une preuve DPoP (parce que ~a)"
 
-#: src/scm/webid-oidc/errors.scm:1042
+#: src/scm/webid-oidc/errors.scm:1072
 #, scheme-format
 msgid "I could not fetch a RDF graph at ~a (because ~a)"
 msgstr "je n’ai pas pu récupérer de graphe RDF à ~a (parce que ~a)"
 
-#: src/scm/webid-oidc/errors.scm:1045
+#: src/scm/webid-oidc/errors.scm:1075
 #, scheme-format
 msgid "~s is not a client manifest (because ~a)"
 msgstr "~s n’est pas un manifeste client (parce que ~a)"
 
-#: src/scm/webid-oidc/errors.scm:1048
+#: src/scm/webid-oidc/errors.scm:1078
 #, scheme-format
 msgid "~s does not authorize redirection URI ~a"
 msgstr "~s n’autorise pas l’URI de redirection ~a"
 
-#: src/scm/webid-oidc/errors.scm:1051
+#: src/scm/webid-oidc/errors.scm:1081
 msgid "I cannot serve a public manifest"
 msgstr "je ne peux pas servir un manifeste public"
 
-#: src/scm/webid-oidc/errors.scm:1053
+#: src/scm/webid-oidc/errors.scm:1083
 #, scheme-format
 msgid "~a does not have a client manifest registration triple"
 msgstr "~a n’a pas de triplet d’enregistrement de manifeste client"
 
-#: src/scm/webid-oidc/errors.scm:1056
+#: src/scm/webid-oidc/errors.scm:1086
 #, scheme-format
 msgid "the client manifest at ~a is advertised for ~a"
 msgstr "le manifeste client ~a est publié pour ~a"
 
-#: src/scm/webid-oidc/errors.scm:1059
+#: src/scm/webid-oidc/errors.scm:1089
 #, scheme-format
 msgid "I could not fetch the client manifest of ~a (because ~a)"
 msgstr "je n’ai pas pu récupérer le manifeste client de ~a (parce que ~a)"
 
-#: src/scm/webid-oidc/errors.scm:1062
+#: src/scm/webid-oidc/errors.scm:1092
 #, scheme-format
 msgid "~s is not an authorization code (because ~a)"
 msgstr "~s n’est pas un code d’autorisation (parce que ~a)"
 
-#: src/scm/webid-oidc/errors.scm:1065
+#: src/scm/webid-oidc/errors.scm:1095
 #, scheme-format
 msgid "~s is not an authorization code header (because ~a)"
 msgstr "~s n’est pas un en-tête de code d’autorisation (parce que ~a)"
 
-#: src/scm/webid-oidc/errors.scm:1068
+#: src/scm/webid-oidc/errors.scm:1098
 #, scheme-format
 msgid "~s is not an authorization code payload (because ~a)"
 msgstr "~s n’est pas un contenu de code d’autorisation (parce que ~a)"
 
-#: src/scm/webid-oidc/errors.scm:1071
+#: src/scm/webid-oidc/errors.scm:1101
 #, scheme-format
 msgid "the current time is ~a, and the authorization code expired at ~a"
 msgstr ""
 "la date est actuellement ~a, et le code d’autorisation a expiré à la date ~a"
 
-#: src/scm/webid-oidc/errors.scm:1075
+#: src/scm/webid-oidc/errors.scm:1105
 #, scheme-format
 msgid "I cannot decode ~s as an authorization code (because ~a)"
 msgstr "je n’ai pas pu décoder ~s comme un code d’autorisation (parce que ~a)"
 
-#: src/scm/webid-oidc/errors.scm:1078
+#: src/scm/webid-oidc/errors.scm:1108
 #, scheme-format
 msgid "I cannot encode ~s as an authorization code (because ~a)"
 msgstr "je n’ai pas pu encoder ~s comme un code d’autorisation (parce que ~a)"
 
-#: src/scm/webid-oidc/errors.scm:1081
+#: src/scm/webid-oidc/errors.scm:1111
 #, scheme-format
 msgid "there is no such refresh token as ~s"
 msgstr "il n’y a pas de jeton de rafraîchissement ~s"
 
-#: src/scm/webid-oidc/errors.scm:1084
+#: src/scm/webid-oidc/errors.scm:1114
 #, scheme-format
 msgid ""
 "the refresh token is bound to a key confirmed as ~s, but it is used with key "
@@ -587,32 +587,45 @@ msgstr ""
 "Le jeton de rafraîchissement est lié à une clé confirmée par ~s, mais il est "
 "utilisé avec la clé ~s"
 
-#: src/scm/webid-oidc/errors.scm:1087
+#: src/scm/webid-oidc/errors.scm:1117
 #, scheme-format
 msgid "I cannot decode ~s as an ID token (because ~a)"
 msgstr "je n’ai pas pu décoder ~s comme jeton d’identité (parce que ~a)"
 
-#: src/scm/webid-oidc/errors.scm:1090
+#: src/scm/webid-oidc/errors.scm:1120
 #, scheme-format
 msgid "I cannot encode ~s as an ID token (because ~a)"
 msgstr "je n’ai pas pu encoder ~s comme un jeton d’identité (parce que ~a)"
 
-#: src/scm/webid-oidc/errors.scm:1093
+#: src/scm/webid-oidc/errors.scm:1123
+#, scheme-format
+msgid "the grant type ~s is not supported"
+msgstr "le type d’octroi ~s n’est pas supporté "
+
+#: src/scm/webid-oidc/errors.scm:1126
+msgid "there is no authorization code in the request"
+msgstr "il n’y a pas de code d’autorisation dans la requête"
+
+#: src/scm/webid-oidc/errors.scm:1128
+msgid "there is no refresh token in the request"
+msgstr "il n’y a pas de jeton de rafraîchissement dans la requête"
+
+#: src/scm/webid-oidc/errors.scm:1130
 #, scheme-format
 msgid "~s is not an ID token (because ~a)"
 msgstr "~s n’est pas un jeton d’identité (parce que ~a)"
 
-#: src/scm/webid-oidc/errors.scm:1096
+#: src/scm/webid-oidc/errors.scm:1133
 #, scheme-format
 msgid "~s is not an ID token header (because ~a)"
 msgstr "~s n’est pas un en-tête de jeton d’identité (parce que ~a)"
 
-#: src/scm/webid-oidc/errors.scm:1099
+#: src/scm/webid-oidc/errors.scm:1136
 #, scheme-format
 msgid "~s is not an ID token payload (because ~a)"
 msgstr "~s n’est pas un contenu de jeton d’identité (parce que ~a)"
 
-#: src/scm/webid-oidc/errors.scm:1102
+#: src/scm/webid-oidc/errors.scm:1139
 #, scheme-format
 msgid ""
 "I couldn’t set the locale to ~s as an approximation of the client locale ~s"
@@ -620,66 +633,66 @@ msgstr ""
 "je n’ai pas pu définir la locale à ~s comme approximation de la locale du "
 "client ~s"
 
-#: src/scm/webid-oidc/errors.scm:1107
+#: src/scm/webid-oidc/errors.scm:1144
 msgid "that’s it"
 msgstr "c’est tout"
 
-#: src/scm/webid-oidc/errors.scm:1111
+#: src/scm/webid-oidc/errors.scm:1148
 #, scheme-format
 msgid "~a and ~a"
 msgstr "~a et ~a"
 
-#: src/scm/webid-oidc/errors.scm:1114
+#: src/scm/webid-oidc/errors.scm:1151
 #, scheme-format
 msgid "~a, ~a"
 msgstr "~a, ~a"
 
-#: src/scm/webid-oidc/errors.scm:1118
+#: src/scm/webid-oidc/errors.scm:1155
 #, scheme-format
 msgid "the signature ~a does not match key ~s with payload ~a"
 msgstr "la signature ~a ne correspond pas à la clé ~s avec le contenu ~a"
 
-#: src/scm/webid-oidc/errors.scm:1121
+#: src/scm/webid-oidc/errors.scm:1158
 msgid "there is an undefined variable"
 msgstr "il y a une variable non définie"
 
-#: src/scm/webid-oidc/errors.scm:1123
+#: src/scm/webid-oidc/errors.scm:1160
 #, scheme-format
 msgid "the origin is ~a"
 msgstr "l’origine est ~a"
 
-#: src/scm/webid-oidc/errors.scm:1126
+#: src/scm/webid-oidc/errors.scm:1163
 #, scheme-format
 msgid "a message is attached: ~a"
 msgstr "un message est attaché : ~a"
 
-#: src/scm/webid-oidc/errors.scm:1129
+#: src/scm/webid-oidc/errors.scm:1166
 #, scheme-format
 msgid "the values ~s are problematic"
 msgstr "les valeurs ~s sont problématiques"
 
-#: src/scm/webid-oidc/errors.scm:1132
+#: src/scm/webid-oidc/errors.scm:1169
 msgid "there is a kind and args"
 msgstr "il y a un type et des arguments"
 
-#: src/scm/webid-oidc/errors.scm:1134
+#: src/scm/webid-oidc/errors.scm:1171
 msgid "there is an assertion failure"
 msgstr "il y a un échec d’assertion"
 
-#: src/scm/webid-oidc/errors.scm:1136
+#: src/scm/webid-oidc/errors.scm:1173
 #, scheme-format
 msgid "the program quits with code ~a"
 msgstr "le programme quitte avec le code ~a"
 
-#: src/scm/webid-oidc/errors.scm:1139
+#: src/scm/webid-oidc/errors.scm:1176
 msgid "the program cannot recover from this exception"
 msgstr "le programme ne peut pas récupérer après cette exception"
 
-#: src/scm/webid-oidc/errors.scm:1141
+#: src/scm/webid-oidc/errors.scm:1178
 msgid "there is an error"
 msgstr "il y a une erreur"
 
-#: src/scm/webid-oidc/errors.scm:1143
+#: src/scm/webid-oidc/errors.scm:1180
 #, scheme-format
 msgid "Unhandled exception type ~a."
 msgstr "Type d’exception non pris en charge ~a."
@@ -823,16 +836,6 @@ msgstr ""
 "toujours ajuster ses permissions."
 
 #, scheme-format
-#~ msgid "the grant type ~s is not supported"
-#~ msgstr "le type d’octroi ~s n’est pas supporté "
-
-#~ msgid "there is no authorization code in the request"
-#~ msgstr "il n’y a pas de code d’autorisation dans la requête"
-
-#~ msgid "there is no refresh token in the request"
-#~ msgstr "il n’y a pas de jeton de rafraîchissement dans la requête"
-
-#, scheme-format
 #~ msgid "~s does not admit ~s as an identity provider"
 #~ msgstr "~s n’admet pas ~s comme fournisseur d’identité"
 
diff --git a/po/webid-oidc.pot b/po/webid-oidc.pot
index c9da413..cf36502 100644
--- a/po/webid-oidc.pot
+++ b/po/webid-oidc.pot
@@ -122,547 +122,560 @@ msgstr ""
 msgid "Usage: generate-key [NUMBER OF BITS | CURVE]\n"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:799
+#: src/scm/webid-oidc/errors.scm:829
 msgid "that’s how it is"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:804
+#: src/scm/webid-oidc/errors.scm:834
 #, scheme-format
 msgid "the value ~s is not a base64 string (because ~a)"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:807
+#: src/scm/webid-oidc/errors.scm:837
 #, scheme-format
 msgid "the value ~s is not JSON (because ~a)"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:810
+#: src/scm/webid-oidc/errors.scm:840
 #, scheme-format
 msgid "the value ~s is not Turtle (because ~a)"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:813
+#: src/scm/webid-oidc/errors.scm:843
 #, scheme-format
 msgid "the value ~s does not identify an elleptic curve"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:818
+#: src/scm/webid-oidc/errors.scm:848
 #, scheme-format
 msgid "the value ~s does not identify a JWK (because ~a)"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:820
+#: src/scm/webid-oidc/errors.scm:850
 #, scheme-format
 msgid "the value ~s does not identify a JWK"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:825
+#: src/scm/webid-oidc/errors.scm:855
 #, scheme-format
 msgid "the value ~s does not identify a public JWK (because ~a)"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:827
+#: src/scm/webid-oidc/errors.scm:857
 #, scheme-format
 msgid "the value ~s does not identify a public JWK"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:832
+#: src/scm/webid-oidc/errors.scm:862
 #, scheme-format
 msgid "the value ~s does not identify a private JWK (because ~a)"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:834
+#: src/scm/webid-oidc/errors.scm:864
 #, scheme-format
 msgid "the value ~s does not identify a private JWK"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:839
+#: src/scm/webid-oidc/errors.scm:869
 #, scheme-format
 msgid "the value ~s does not identify a JWKS (because ~a)"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:841
+#: src/scm/webid-oidc/errors.scm:871
 #, scheme-format
 msgid "the value ~s does not identify a JWKS"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:844
+#: src/scm/webid-oidc/errors.scm:874
 #, scheme-format
 msgid "the value ~s does not identify a hash algorithm"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:847
+#: src/scm/webid-oidc/errors.scm:877
 #, scheme-format
 msgid "the value ~s is not an alist or misses key ~s"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:850
+#: src/scm/webid-oidc/errors.scm:880
 #, scheme-format
 msgid "the value ~s is not a JWS header (because ~a)"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:853
+#: src/scm/webid-oidc/errors.scm:883
 #, scheme-format
 msgid "the value ~s is not a JWS payload (because ~a)"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:856
+#: src/scm/webid-oidc/errors.scm:886
 #, scheme-format
 msgid "the value ~s is not a JWS (because ~a)"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:859
+#: src/scm/webid-oidc/errors.scm:889
 #, scheme-format
 msgid "the string ~s cannot be split in 3 parts with ~s"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:862
+#: src/scm/webid-oidc/errors.scm:892
 #, scheme-format
 msgid ""
 "all key candidates failed to verify signature ~s with algorithm ~s and "
 "payload ~a (there were ~a: ~s)"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:865
+#: src/scm/webid-oidc/errors.scm:895
 #, scheme-format
 msgid "I cannot decode JWS ~a (because ~a)"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:868
+#: src/scm/webid-oidc/errors.scm:898
 #, scheme-format
 msgid "I cannot encode JWS ~a (because ~a)"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:871
+#: src/scm/webid-oidc/errors.scm:901
 #, scheme-format
 msgid ""
 "the server request unexpectedly failed with code ~a and reason phrase ~s"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:876
+#: src/scm/webid-oidc/errors.scm:906
 #, scheme-format
 msgid "the header ~a should not have the value ~s"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:878
+#: src/scm/webid-oidc/errors.scm:908
 #, scheme-format
 msgid "the header ~a should be present"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:881
+#: src/scm/webid-oidc/errors.scm:911
 #, scheme-format
 msgid "the server response wasn't expected: ~s (because ~a)"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:887
+#: src/scm/webid-oidc/errors.scm:917
 #, scheme-format
 msgid "the value ~s is not an OIDC configuration (because ~a)"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:892
+#: src/scm/webid-oidc/errors.scm:922
 #, scheme-format
 msgid "the webid field is incorrect: ~s"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:893
+#: src/scm/webid-oidc/errors.scm:923
 msgid "the webid field is missing"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:897
+#: src/scm/webid-oidc/errors.scm:927
 #, scheme-format
 msgid "the sub field is incorrect: ~s"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:898
+#: src/scm/webid-oidc/errors.scm:928
 msgid "the sub field is missing"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:902
+#: src/scm/webid-oidc/errors.scm:932
 #, scheme-format
 msgid "the iss field is incorrect: ~s"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:903
+#: src/scm/webid-oidc/errors.scm:933
 msgid "the iss field is missing"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:907
+#: src/scm/webid-oidc/errors.scm:937
 #, scheme-format
 msgid "the aud field is incorrect: ~s"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:908
+#: src/scm/webid-oidc/errors.scm:938
 msgid "the aud field is missing"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:912
+#: src/scm/webid-oidc/errors.scm:942
 #, scheme-format
 msgid "the iat field is incorrect: ~s"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:913
+#: src/scm/webid-oidc/errors.scm:943
 msgid "the iat field is missing"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:917
+#: src/scm/webid-oidc/errors.scm:947
 #, scheme-format
 msgid "the exp field is incorrect: ~s"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:918
+#: src/scm/webid-oidc/errors.scm:948
 msgid "the exp field is missing"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:922
+#: src/scm/webid-oidc/errors.scm:952
 #, scheme-format
 msgid "the cnf/jkt field is incorrect: ~s"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:923
+#: src/scm/webid-oidc/errors.scm:953
 msgid "the cnf/jkt field is missing"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:927
+#: src/scm/webid-oidc/errors.scm:957
 #, scheme-format
 msgid "the client-id field is incorrect: ~s"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:928
+#: src/scm/webid-oidc/errors.scm:958
 msgid "the client-id field is missing"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:932
+#: src/scm/webid-oidc/errors.scm:962
 #: src/scm/webid-oidc/authorization-page-unsafe.scm:133
 #, scheme-format
 msgid "the redirect_uris field is incorrect: ~s"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:933
+#: src/scm/webid-oidc/errors.scm:963
 #: src/scm/webid-oidc/authorization-page-unsafe.scm:134
 msgid "the redirect_uris field is missing"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:937
+#: src/scm/webid-oidc/errors.scm:967
 #, scheme-format
 msgid "the typ field is incorrect: ~s"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:938
+#: src/scm/webid-oidc/errors.scm:968
 msgid "the typ field is missing"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:942
+#: src/scm/webid-oidc/errors.scm:972
 #, scheme-format
 msgid "the jwk field is incorrect: ~s (because ~a)"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:944
+#: src/scm/webid-oidc/errors.scm:974
 msgid "the jwk field is missing"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:948
+#: src/scm/webid-oidc/errors.scm:978
 #, scheme-format
 msgid "the jti field is incorrect: ~s"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:949
+#: src/scm/webid-oidc/errors.scm:979
 msgid "the jti field is missing"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:953
+#: src/scm/webid-oidc/errors.scm:983
 #, scheme-format
 msgid "the nonce field is incorrect: ~s"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:954
+#: src/scm/webid-oidc/errors.scm:984
 msgid "the nonce field is missing"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:958
+#: src/scm/webid-oidc/errors.scm:988
 #, scheme-format
 msgid "the htm field is incorrect: ~s"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:959
+#: src/scm/webid-oidc/errors.scm:989
 msgid "the htm field is missing"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:963
+#: src/scm/webid-oidc/errors.scm:993
 #, scheme-format
 msgid "the htu field is incorrect: ~s"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:964
+#: src/scm/webid-oidc/errors.scm:994
 msgid "the htu field is missing"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:966
+#: src/scm/webid-oidc/errors.scm:996
 #, scheme-format
 msgid "~s is not an access token (because ~a)"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:969
+#: src/scm/webid-oidc/errors.scm:999
 #, scheme-format
 msgid "~s is not an access token header (because ~a)"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:972
+#: src/scm/webid-oidc/errors.scm:1002
 #, scheme-format
 msgid "~s is not an access token payload (because ~a)"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:975
+#: src/scm/webid-oidc/errors.scm:1005
 #, scheme-format
 msgid "~s is not a DPoP proof (because ~a)"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:978
+#: src/scm/webid-oidc/errors.scm:1008
 #, scheme-format
 msgid "~s is not a DPoP proof header (because ~a)"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:981
+#: src/scm/webid-oidc/errors.scm:1011
 #, scheme-format
 msgid "~s is not a DPoP proof payload (because ~a)"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:984
+#: src/scm/webid-oidc/errors.scm:1014
 #, scheme-format
 msgid "I cannot fetch the issuer configuration of ~a (because ~a)"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:991
+#: src/scm/webid-oidc/errors.scm:1021
 #, scheme-format
 msgid "I cannot fetch the JWKS of ~a at ~a (because ~a)"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:1002
+#: src/scm/webid-oidc/errors.scm:1032
 #, scheme-format
 msgid "the HTTP method is signed for ~s, but ~s was requested"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:1005
+#: src/scm/webid-oidc/errors.scm:1035
 #, scheme-format
 msgid "the HTTP uri is signed for ~a, but ~a was requested"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:1008
+#: src/scm/webid-oidc/errors.scm:1038
 #, scheme-format
 msgid "the date is ~a, but the DPoP proof is signed in the future at ~a"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:1012
+#: src/scm/webid-oidc/errors.scm:1042
 #, scheme-format
 msgid "the date is ~a, but the DPoP proof was signed too long ago at ~a"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:1021
+#: src/scm/webid-oidc/errors.scm:1051
 #, scheme-format
 msgid "the key ~s does not hash to ~a"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:1023
+#: src/scm/webid-oidc/errors.scm:1053
 #, scheme-format
 msgid "the key confirmation of ~s failed (because ~a)"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:1025
+#: src/scm/webid-oidc/errors.scm:1055
 #, scheme-format
 msgid "the key confirmation of ~s failed"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:1027
+#: src/scm/webid-oidc/errors.scm:1057
 #, scheme-format
 msgid "the jti ~s has already been found (because ~a)"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:1030
+#: src/scm/webid-oidc/errors.scm:1060
 #, scheme-format
 msgid "I cannot decode ~s as an access token (because ~a)"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:1033
+#: src/scm/webid-oidc/errors.scm:1063
 #, scheme-format
 msgid "I cannot encode ~s as an access token with key ~s (because ~a)"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:1036
+#: src/scm/webid-oidc/errors.scm:1066
 #, scheme-format
 msgid "I cannot decode ~s as a DPoP proof (because ~a)"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:1039
+#: src/scm/webid-oidc/errors.scm:1069
 #, scheme-format
 msgid "I cannot encode ~s as a DPoP proof (because ~a)"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:1042
+#: src/scm/webid-oidc/errors.scm:1072
 #, scheme-format
 msgid "I could not fetch a RDF graph at ~a (because ~a)"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:1045
+#: src/scm/webid-oidc/errors.scm:1075
 #, scheme-format
 msgid "~s is not a client manifest (because ~a)"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:1048
+#: src/scm/webid-oidc/errors.scm:1078
 #, scheme-format
 msgid "~s does not authorize redirection URI ~a"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:1051
+#: src/scm/webid-oidc/errors.scm:1081
 msgid "I cannot serve a public manifest"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:1053
+#: src/scm/webid-oidc/errors.scm:1083
 #, scheme-format
 msgid "~a does not have a client manifest registration triple"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:1056
+#: src/scm/webid-oidc/errors.scm:1086
 #, scheme-format
 msgid "the client manifest at ~a is advertised for ~a"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:1059
+#: src/scm/webid-oidc/errors.scm:1089
 #, scheme-format
 msgid "I could not fetch the client manifest of ~a (because ~a)"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:1062
+#: src/scm/webid-oidc/errors.scm:1092
 #, scheme-format
 msgid "~s is not an authorization code (because ~a)"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:1065
+#: src/scm/webid-oidc/errors.scm:1095
 #, scheme-format
 msgid "~s is not an authorization code header (because ~a)"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:1068
+#: src/scm/webid-oidc/errors.scm:1098
 #, scheme-format
 msgid "~s is not an authorization code payload (because ~a)"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:1071
+#: src/scm/webid-oidc/errors.scm:1101
 #, scheme-format
 msgid "the current time is ~a, and the authorization code expired at ~a"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:1075
+#: src/scm/webid-oidc/errors.scm:1105
 #, scheme-format
 msgid "I cannot decode ~s as an authorization code (because ~a)"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:1078
+#: src/scm/webid-oidc/errors.scm:1108
 #, scheme-format
 msgid "I cannot encode ~s as an authorization code (because ~a)"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:1081
+#: src/scm/webid-oidc/errors.scm:1111
 #, scheme-format
 msgid "there is no such refresh token as ~s"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:1084
+#: src/scm/webid-oidc/errors.scm:1114
 #, scheme-format
 msgid ""
 "the refresh token is bound to a key confirmed as ~s, but it is used with key "
 "~s"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:1087
+#: src/scm/webid-oidc/errors.scm:1117
 #, scheme-format
 msgid "I cannot decode ~s as an ID token (because ~a)"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:1090
+#: src/scm/webid-oidc/errors.scm:1120
 #, scheme-format
 msgid "I cannot encode ~s as an ID token (because ~a)"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:1093
+#: src/scm/webid-oidc/errors.scm:1123
+#, scheme-format
+msgid "the grant type ~s is not supported"
+msgstr ""
+
+#: src/scm/webid-oidc/errors.scm:1126
+msgid "there is no authorization code in the request"
+msgstr ""
+
+#: src/scm/webid-oidc/errors.scm:1128
+msgid "there is no refresh token in the request"
+msgstr ""
+
+#: src/scm/webid-oidc/errors.scm:1130
 #, scheme-format
 msgid "~s is not an ID token (because ~a)"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:1096
+#: src/scm/webid-oidc/errors.scm:1133
 #, scheme-format
 msgid "~s is not an ID token header (because ~a)"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:1099
+#: src/scm/webid-oidc/errors.scm:1136
 #, scheme-format
 msgid "~s is not an ID token payload (because ~a)"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:1102
+#: src/scm/webid-oidc/errors.scm:1139
 #, scheme-format
 msgid ""
 "I couldn’t set the locale to ~s as an approximation of the client locale ~s"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:1107
+#: src/scm/webid-oidc/errors.scm:1144
 msgid "that’s it"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:1111
+#: src/scm/webid-oidc/errors.scm:1148
 #, scheme-format
 msgid "~a and ~a"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:1114
+#: src/scm/webid-oidc/errors.scm:1151
 #, scheme-format
 msgid "~a, ~a"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:1118
+#: src/scm/webid-oidc/errors.scm:1155
 #, scheme-format
 msgid "the signature ~a does not match key ~s with payload ~a"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:1121
+#: src/scm/webid-oidc/errors.scm:1158
 msgid "there is an undefined variable"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:1123
+#: src/scm/webid-oidc/errors.scm:1160
 #, scheme-format
 msgid "the origin is ~a"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:1126
+#: src/scm/webid-oidc/errors.scm:1163
 #, scheme-format
 msgid "a message is attached: ~a"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:1129
+#: src/scm/webid-oidc/errors.scm:1166
 #, scheme-format
 msgid "the values ~s are problematic"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:1132
+#: src/scm/webid-oidc/errors.scm:1169
 msgid "there is a kind and args"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:1134
+#: src/scm/webid-oidc/errors.scm:1171
 msgid "there is an assertion failure"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:1136
+#: src/scm/webid-oidc/errors.scm:1173
 #, scheme-format
 msgid "the program quits with code ~a"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:1139
+#: src/scm/webid-oidc/errors.scm:1176
 msgid "the program cannot recover from this exception"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:1141
+#: src/scm/webid-oidc/errors.scm:1178
 msgid "there is an error"
 msgstr ""
 
-#: src/scm/webid-oidc/errors.scm:1143
+#: src/scm/webid-oidc/errors.scm:1180
 #, scheme-format
 msgid "Unhandled exception type ~a."
 msgstr ""