diff --git a/build.gradle.kts b/build.gradle.kts
index 6b52cec..772e325 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -87,6 +87,7 @@ dependencies {
     implementation("com.auth0:java-jwt:3.8.2")
     implementation("com.github.jasync-sql:jasync-postgresql:1.0.7")
     implementation("fr.postgresjson:postgresjson:$postgresjson_version")
+    implementation("fr.ktor-voter:ktor-voter:1.0.0")
     implementation("com.sendgrid:sendgrid-java:4.4.1")
     implementation("io.lettuce:lettuce-core:5.2.2.RELEASE")
     implementation("com.rabbitmq:amqp-client:5.8.0")
diff --git a/src/main/kotlin/fr/dcproject/Application.kt b/src/main/kotlin/fr/dcproject/Application.kt
index 8496075..f70aa7f 100644
--- a/src/main/kotlin/fr/dcproject/Application.kt
+++ b/src/main/kotlin/fr/dcproject/Application.kt
@@ -13,6 +13,8 @@ import fr.dcproject.event.EventSubscriber
 import fr.dcproject.event.configEvent
 import fr.dcproject.routes.*
 import fr.dcproject.security.voter.*
+import fr.ktorVoter.AuthorizationVoter
+import fr.ktorVoter.ForbiddenException
 import fr.postgresjson.migration.Migrations
 import io.ktor.application.Application
 import io.ktor.application.ApplicationCall
diff --git a/src/main/kotlin/fr/dcproject/ApplicationContext.kt b/src/main/kotlin/fr/dcproject/ApplicationContext.kt
index f90cfe3..f57ca38 100644
--- a/src/main/kotlin/fr/dcproject/ApplicationContext.kt
+++ b/src/main/kotlin/fr/dcproject/ApplicationContext.kt
@@ -1,7 +1,8 @@
 package fr.dcproject
 
+import fr.dcproject.entity.User
 import fr.dcproject.entity.UserI
-import fr.dcproject.security.voter.ForbiddenException
+import fr.ktorVoter.ForbiddenException
 import io.ktor.application.ApplicationCall
 import io.ktor.auth.authentication
 import io.ktor.util.AttributeKey
@@ -26,3 +27,5 @@ val ApplicationCall.citizenOrNull: CitizenEntity?
 
 val PipelineContext<Unit, ApplicationCall>.citizen get() = context.citizen
 val PipelineContext<Unit, ApplicationCall>.citizenOrNull get() = context.citizenOrNull
+
+val ApplicationCall.user get() = authentication.principal<User>()
diff --git a/src/main/kotlin/fr/dcproject/routes/Article.kt b/src/main/kotlin/fr/dcproject/routes/Article.kt
index 21001ce..e457531 100644
--- a/src/main/kotlin/fr/dcproject/routes/Article.kt
+++ b/src/main/kotlin/fr/dcproject/routes/Article.kt
@@ -6,7 +6,7 @@ import fr.dcproject.event.ArticleUpdate
 import fr.dcproject.repository.Article.Filter
 import fr.dcproject.security.voter.ArticleVoter.Action.CREATE
 import fr.dcproject.security.voter.ArticleVoter.Action.VIEW
-import fr.dcproject.security.voter.assertCan
+import fr.ktorVoter.assertCan
 import fr.dcproject.views.ArticleViewManager
 import fr.postgresjson.repository.RepositoryI
 import io.ktor.application.application
diff --git a/src/main/kotlin/fr/dcproject/routes/Citizen.kt b/src/main/kotlin/fr/dcproject/routes/Citizen.kt
index 4528cd3..684174b 100644
--- a/src/main/kotlin/fr/dcproject/routes/Citizen.kt
+++ b/src/main/kotlin/fr/dcproject/routes/Citizen.kt
@@ -9,7 +9,7 @@ import fr.dcproject.routes.CitizenPaths.CitizensRequest
 import fr.dcproject.routes.CitizenPaths.CurrentCitizenRequest
 import fr.dcproject.security.voter.CitizenVoter.Action.CHANGE_PASSWORD
 import fr.dcproject.security.voter.CitizenVoter.Action.VIEW
-import fr.dcproject.security.voter.assertCan
+import fr.ktorVoter.assertCan
 import fr.postgresjson.repository.RepositoryI.Direction
 import io.ktor.application.call
 import io.ktor.auth.UserPasswordCredential
diff --git a/src/main/kotlin/fr/dcproject/routes/Comment.kt b/src/main/kotlin/fr/dcproject/routes/Comment.kt
index 4231711..36e0f59 100644
--- a/src/main/kotlin/fr/dcproject/routes/Comment.kt
+++ b/src/main/kotlin/fr/dcproject/routes/Comment.kt
@@ -5,7 +5,7 @@ import fr.dcproject.entity.Comment
 import fr.dcproject.entity.CommentRef
 import fr.dcproject.routes.CommentPaths.CreateCommentRequest.Content
 import fr.dcproject.security.voter.CommentVoter.Action.*
-import fr.dcproject.security.voter.assertCan
+import fr.ktorVoter.assertCan
 import io.ktor.application.call
 import io.ktor.features.NotFoundException
 import io.ktor.http.HttpStatusCode
diff --git a/src/main/kotlin/fr/dcproject/routes/CommentArticle.kt b/src/main/kotlin/fr/dcproject/routes/CommentArticle.kt
index a5c33b2..0136837 100644
--- a/src/main/kotlin/fr/dcproject/routes/CommentArticle.kt
+++ b/src/main/kotlin/fr/dcproject/routes/CommentArticle.kt
@@ -6,7 +6,7 @@ import fr.dcproject.entity.Citizen
 import fr.dcproject.repository.CommentArticle.Sort
 import fr.dcproject.security.voter.CommentVoter.Action.CREATE
 import fr.dcproject.security.voter.CommentVoter.Action.VIEW
-import fr.dcproject.security.voter.assertCan
+import fr.ktorVoter.assertCan
 import io.ktor.application.call
 import io.ktor.http.HttpStatusCode
 import io.ktor.locations.KtorExperimentalLocationsAPI
diff --git a/src/main/kotlin/fr/dcproject/routes/CommentConstitution.kt b/src/main/kotlin/fr/dcproject/routes/CommentConstitution.kt
index 2721669..889b9ad 100644
--- a/src/main/kotlin/fr/dcproject/routes/CommentConstitution.kt
+++ b/src/main/kotlin/fr/dcproject/routes/CommentConstitution.kt
@@ -5,7 +5,7 @@ import fr.dcproject.entity.Citizen
 import fr.dcproject.entity.ConstitutionRef
 import fr.dcproject.security.voter.CommentVoter.Action.CREATE
 import fr.dcproject.security.voter.CommentVoter.Action.VIEW
-import fr.dcproject.security.voter.assertCan
+import fr.ktorVoter.assertCan
 import io.ktor.application.call
 import io.ktor.http.HttpStatusCode
 import io.ktor.locations.KtorExperimentalLocationsAPI
diff --git a/src/main/kotlin/fr/dcproject/routes/Constitution.kt b/src/main/kotlin/fr/dcproject/routes/Constitution.kt
index d2ab88d..4e6acec 100644
--- a/src/main/kotlin/fr/dcproject/routes/Constitution.kt
+++ b/src/main/kotlin/fr/dcproject/routes/Constitution.kt
@@ -4,7 +4,7 @@ import fr.dcproject.citizen
 import fr.dcproject.entity.request.Constitution
 import fr.dcproject.security.voter.ConstitutionVoter.Action.CREATE
 import fr.dcproject.security.voter.ConstitutionVoter.Action.VIEW
-import fr.dcproject.security.voter.assertCan
+import fr.ktorVoter.assertCan
 import fr.postgresjson.repository.RepositoryI
 import io.ktor.application.call
 import io.ktor.locations.KtorExperimentalLocationsAPI
diff --git a/src/main/kotlin/fr/dcproject/routes/FollowArticle.kt b/src/main/kotlin/fr/dcproject/routes/FollowArticle.kt
index d829959..8ae7b15 100644
--- a/src/main/kotlin/fr/dcproject/routes/FollowArticle.kt
+++ b/src/main/kotlin/fr/dcproject/routes/FollowArticle.kt
@@ -4,7 +4,7 @@ import fr.dcproject.citizen
 import fr.dcproject.entity.ArticleRef
 import fr.dcproject.entity.Citizen
 import fr.dcproject.security.voter.FollowVoter.Action.*
-import fr.dcproject.security.voter.assertCan
+import fr.ktorVoter.assertCan
 import io.ktor.application.call
 import io.ktor.http.HttpStatusCode
 import io.ktor.locations.*
diff --git a/src/main/kotlin/fr/dcproject/routes/FollowConstitution.kt b/src/main/kotlin/fr/dcproject/routes/FollowConstitution.kt
index c0a9b8c..1b7e8b4 100644
--- a/src/main/kotlin/fr/dcproject/routes/FollowConstitution.kt
+++ b/src/main/kotlin/fr/dcproject/routes/FollowConstitution.kt
@@ -4,7 +4,7 @@ import fr.dcproject.citizen
 import fr.dcproject.entity.CitizenRef
 import fr.dcproject.entity.ConstitutionRef
 import fr.dcproject.security.voter.FollowVoter.Action.*
-import fr.dcproject.security.voter.assertCan
+import fr.ktorVoter.assertCan
 import io.ktor.application.call
 import io.ktor.http.HttpStatusCode
 import io.ktor.locations.*
diff --git a/src/main/kotlin/fr/dcproject/routes/OpinionArticle.kt b/src/main/kotlin/fr/dcproject/routes/OpinionArticle.kt
index 3afdf97..9a388bd 100644
--- a/src/main/kotlin/fr/dcproject/routes/OpinionArticle.kt
+++ b/src/main/kotlin/fr/dcproject/routes/OpinionArticle.kt
@@ -7,7 +7,7 @@ import fr.dcproject.entity.request.RequestBuilder
 import fr.dcproject.entity.request.getContent
 import fr.dcproject.security.voter.OpinionVoter.Action.CREATE
 import fr.dcproject.security.voter.OpinionVoter.Action.VIEW
-import fr.dcproject.security.voter.assertCan
+import fr.ktorVoter.assertCan
 import fr.dcproject.utils.toUUID
 import io.ktor.application.ApplicationCall
 import io.ktor.application.call
diff --git a/src/main/kotlin/fr/dcproject/routes/OpinionChoice.kt b/src/main/kotlin/fr/dcproject/routes/OpinionChoice.kt
index 6e7232e..b23d714 100644
--- a/src/main/kotlin/fr/dcproject/routes/OpinionChoice.kt
+++ b/src/main/kotlin/fr/dcproject/routes/OpinionChoice.kt
@@ -2,7 +2,7 @@ package fr.dcproject.routes
 
 import fr.dcproject.entity.OpinionChoice
 import fr.dcproject.security.voter.OpinionChoiceVoter.Action.VIEW
-import fr.dcproject.security.voter.assertCan
+import fr.ktorVoter.assertCan
 import io.ktor.application.call
 import io.ktor.locations.KtorExperimentalLocationsAPI
 import io.ktor.locations.Location
diff --git a/src/main/kotlin/fr/dcproject/routes/VoteArticle.kt b/src/main/kotlin/fr/dcproject/routes/VoteArticle.kt
index dd67019..8aa21a0 100644
--- a/src/main/kotlin/fr/dcproject/routes/VoteArticle.kt
+++ b/src/main/kotlin/fr/dcproject/routes/VoteArticle.kt
@@ -8,7 +8,7 @@ import fr.dcproject.routes.VoteArticlePaths.ArticleVoteRequest
 import fr.dcproject.routes.VoteArticlePaths.CommentVoteRequest
 import fr.dcproject.security.voter.VoteVoter.Action.CREATE
 import fr.dcproject.security.voter.VoteVoter.Action.VIEW
-import fr.dcproject.security.voter.assertCan
+import fr.ktorVoter.assertCan
 import fr.dcproject.utils.toUUID
 import io.ktor.application.call
 import io.ktor.http.HttpStatusCode
diff --git a/src/main/kotlin/fr/dcproject/routes/VoteConstitution.kt b/src/main/kotlin/fr/dcproject/routes/VoteConstitution.kt
index fde707d..240aa49 100644
--- a/src/main/kotlin/fr/dcproject/routes/VoteConstitution.kt
+++ b/src/main/kotlin/fr/dcproject/routes/VoteConstitution.kt
@@ -4,7 +4,7 @@ import fr.dcproject.citizen
 import fr.dcproject.entity.Citizen
 import fr.dcproject.routes.VoteConstitutionPaths.ConstitutionVoteRequest.Content
 import fr.dcproject.security.voter.VoteVoter.Action.CREATE
-import fr.dcproject.security.voter.assertCan
+import fr.ktorVoter.assertCan
 import io.ktor.application.call
 import io.ktor.http.HttpStatusCode
 import io.ktor.locations.KtorExperimentalLocationsAPI
diff --git a/src/main/kotlin/fr/dcproject/routes/Workgroup.kt b/src/main/kotlin/fr/dcproject/routes/Workgroup.kt
index 61322bd..c1a227b 100644
--- a/src/main/kotlin/fr/dcproject/routes/Workgroup.kt
+++ b/src/main/kotlin/fr/dcproject/routes/Workgroup.kt
@@ -12,7 +12,7 @@ import fr.dcproject.security.voter.WorkgroupVoter.Action.UPDATE
 import fr.dcproject.security.voter.WorkgroupVoter.ActionMembers.ADD as ADD_MEMBERS
 import fr.dcproject.security.voter.WorkgroupVoter.ActionMembers.UPDATE as UPDATE_MEMBERS
 import fr.dcproject.security.voter.WorkgroupVoter.ActionMembers.REMOVE as REMOVE_MEMBERS
-import fr.dcproject.security.voter.assertCan
+import fr.ktorVoter.assertCan
 import fr.dcproject.utils.toUUID
 import fr.postgresjson.repository.RepositoryI
 import io.ktor.application.ApplicationCall
diff --git a/src/main/kotlin/fr/dcproject/security/voter/ArticleVoter.kt b/src/main/kotlin/fr/dcproject/security/voter/ArticleVoter.kt
index c16b631..eae16bd 100644
--- a/src/main/kotlin/fr/dcproject/security/voter/ArticleVoter.kt
+++ b/src/main/kotlin/fr/dcproject/security/voter/ArticleVoter.kt
@@ -3,6 +3,11 @@ package fr.dcproject.security.voter
 import fr.dcproject.entity.ArticleAuthI
 import fr.dcproject.entity.ArticleI
 import fr.dcproject.entity.UserI
+import fr.dcproject.user
+import fr.ktorVoter.ActionI
+import fr.ktorVoter.Vote
+import fr.ktorVoter.Voter
+import fr.ktorVoter.checkClass
 import io.ktor.application.ApplicationCall
 import fr.dcproject.entity.Comment as CommentEntity
 import fr.dcproject.entity.Vote as VoteEntity
diff --git a/src/main/kotlin/fr/dcproject/security/voter/CheckClass.kt b/src/main/kotlin/fr/dcproject/security/voter/CheckClass.kt
deleted file mode 100644
index f05463f..0000000
--- a/src/main/kotlin/fr/dcproject/security/voter/CheckClass.kt
+++ /dev/null
@@ -1,20 +0,0 @@
-package fr.dcproject.security.voter
-
-import kotlin.reflect.KClass
-import kotlin.reflect.full.isSubclassOf
-
-class WrongClassException(
-    expected: KClass<*>,
-    current: KClass<*>?
-) : VoterException("Can not define authorization with class $current. Need $expected")
-
-fun Voter.checkClass(
-    expected: KClass<*>,
-    subject: Any?
-) {
-    if (subject != null && !subject::class.isSubclassOf(expected)) {
-        throw WrongClassException(expected, subject::class)
-    } else if (subject == null) {
-        throw WrongClassException(expected, null)
-    }
-}
\ No newline at end of file
diff --git a/src/main/kotlin/fr/dcproject/security/voter/CitizenVoter.kt b/src/main/kotlin/fr/dcproject/security/voter/CitizenVoter.kt
index b27408f..9e2c8c2 100644
--- a/src/main/kotlin/fr/dcproject/security/voter/CitizenVoter.kt
+++ b/src/main/kotlin/fr/dcproject/security/voter/CitizenVoter.kt
@@ -2,6 +2,10 @@ package fr.dcproject.security.voter
 
 import fr.dcproject.entity.CitizenBasicI
 import fr.dcproject.entity.UserI
+import fr.dcproject.user
+import fr.ktorVoter.ActionI
+import fr.ktorVoter.Vote
+import fr.ktorVoter.Voter
 import io.ktor.application.ApplicationCall
 import io.ktor.locations.KtorExperimentalLocationsAPI
 
diff --git a/src/main/kotlin/fr/dcproject/security/voter/CommentVoter.kt b/src/main/kotlin/fr/dcproject/security/voter/CommentVoter.kt
index a6aed79..8f8bc41 100644
--- a/src/main/kotlin/fr/dcproject/security/voter/CommentVoter.kt
+++ b/src/main/kotlin/fr/dcproject/security/voter/CommentVoter.kt
@@ -1,6 +1,10 @@
 package fr.dcproject.security.voter
 
 import fr.dcproject.entity.Comment
+import fr.dcproject.user
+import fr.ktorVoter.ActionI
+import fr.ktorVoter.Vote
+import fr.ktorVoter.Voter
 import io.ktor.application.ApplicationCall
 
 class CommentVoter : Voter {
diff --git a/src/main/kotlin/fr/dcproject/security/voter/ConstitutionVoter.kt b/src/main/kotlin/fr/dcproject/security/voter/ConstitutionVoter.kt
index f114973..2bbcbe9 100644
--- a/src/main/kotlin/fr/dcproject/security/voter/ConstitutionVoter.kt
+++ b/src/main/kotlin/fr/dcproject/security/voter/ConstitutionVoter.kt
@@ -3,6 +3,10 @@ package fr.dcproject.security.voter
 import fr.dcproject.entity.Comment
 import fr.dcproject.entity.ConstitutionSimple
 import fr.dcproject.entity.UserI
+import fr.dcproject.user
+import fr.ktorVoter.ActionI
+import fr.ktorVoter.Vote
+import fr.ktorVoter.Voter
 import io.ktor.application.ApplicationCall
 import fr.dcproject.entity.Vote as VoteEntity
 
diff --git a/src/main/kotlin/fr/dcproject/security/voter/FollowVoter.kt b/src/main/kotlin/fr/dcproject/security/voter/FollowVoter.kt
index 6f40df3..312c2cc 100644
--- a/src/main/kotlin/fr/dcproject/security/voter/FollowVoter.kt
+++ b/src/main/kotlin/fr/dcproject/security/voter/FollowVoter.kt
@@ -1,5 +1,9 @@
 package fr.dcproject.security.voter
 
+import fr.dcproject.user
+import fr.ktorVoter.ActionI
+import fr.ktorVoter.Vote
+import fr.ktorVoter.Voter
 import io.ktor.application.ApplicationCall
 import fr.dcproject.entity.Follow as FollowEntity
 import fr.dcproject.entity.User as UserEntity
diff --git a/src/main/kotlin/fr/dcproject/security/voter/OpinionChoiceVoter.kt b/src/main/kotlin/fr/dcproject/security/voter/OpinionChoiceVoter.kt
index 6dcde00..280e8d6 100644
--- a/src/main/kotlin/fr/dcproject/security/voter/OpinionChoiceVoter.kt
+++ b/src/main/kotlin/fr/dcproject/security/voter/OpinionChoiceVoter.kt
@@ -1,6 +1,9 @@
 package fr.dcproject.security.voter
 
 import fr.dcproject.entity.OpinionChoice
+import fr.ktorVoter.ActionI
+import fr.ktorVoter.Vote
+import fr.ktorVoter.Voter
 import io.ktor.application.ApplicationCall
 
 class OpinionChoiceVoter : Voter {
diff --git a/src/main/kotlin/fr/dcproject/security/voter/OpinionVoter.kt b/src/main/kotlin/fr/dcproject/security/voter/OpinionVoter.kt
index 39365c4..571b165 100644
--- a/src/main/kotlin/fr/dcproject/security/voter/OpinionVoter.kt
+++ b/src/main/kotlin/fr/dcproject/security/voter/OpinionVoter.kt
@@ -2,6 +2,10 @@ package fr.dcproject.security.voter
 
 import fr.dcproject.entity.ArticleAuthI
 import fr.dcproject.entity.Opinion
+import fr.dcproject.user
+import fr.ktorVoter.ActionI
+import fr.ktorVoter.Vote
+import fr.ktorVoter.Voter
 import io.ktor.application.ApplicationCall
 
 class OpinionVoter : Voter {
diff --git a/src/main/kotlin/fr/dcproject/security/voter/VoteVoter.kt b/src/main/kotlin/fr/dcproject/security/voter/VoteVoter.kt
index fd14584..bd1e7f2 100644
--- a/src/main/kotlin/fr/dcproject/security/voter/VoteVoter.kt
+++ b/src/main/kotlin/fr/dcproject/security/voter/VoteVoter.kt
@@ -1,5 +1,9 @@
 package fr.dcproject.security.voter
 
+import fr.dcproject.user
+import fr.ktorVoter.ActionI
+import fr.ktorVoter.Vote
+import fr.ktorVoter.Voter
 import io.ktor.application.ApplicationCall
 import fr.dcproject.entity.Vote as VoteEntity
 
diff --git a/src/main/kotlin/fr/dcproject/security/voter/Voter.kt b/src/main/kotlin/fr/dcproject/security/voter/Voter.kt
deleted file mode 100644
index 56333a3..0000000
--- a/src/main/kotlin/fr/dcproject/security/voter/Voter.kt
+++ /dev/null
@@ -1,110 +0,0 @@
-package fr.dcproject.security.voter
-
-import fr.dcproject.entity.User
-import io.ktor.application.ApplicationCall
-import io.ktor.application.ApplicationCallPipeline
-import io.ktor.application.ApplicationFeature
-import io.ktor.auth.authentication
-import io.ktor.http.HttpStatusCode
-import io.ktor.response.respond
-import io.ktor.util.AttributeKey
-import io.ktor.util.KtorExperimentalAPI
-import io.ktor.util.pipeline.PipelineContext
-
-interface ActionI
-
-interface Voter {
-    fun supports(action: ActionI, call: ApplicationCall, subject: Any? = null): Boolean
-    fun vote(action: ActionI, call: ApplicationCall, subject: Any? = null): Vote
-}
-
-fun List<Voter>.can(action: ActionI, call: ApplicationCall, subject: Any? = null): Boolean {
-    val listOfSubject: List<Any?> = if (subject !is List<*>) listOf(subject) else subject
-    val votes: List<Vote> = listOfSubject.flatMap { subject ->
-        this
-            .filter { it.supports(action, call, subject) }
-            .ifEmpty { throw NoVoterException(action) }
-            .map { it.vote(action, call, subject) }
-    }
-
-    return votes.all { it in listOf(Vote.GRANTED, Vote.ABSTAIN) } and votes.any { it == Vote.GRANTED }
-}
-
-enum class Vote {
-    GRANTED,
-    ABSTAIN,
-    DENIED;
-
-    companion object {
-        fun isGranted(lambda: () -> Boolean): Vote {
-            return if (lambda()) GRANTED else DENIED
-        }
-    }
-}
-
-private val votersAttributeKey = AttributeKey<List<Voter>>("voters")
-
-fun ApplicationCall.assertCan(action: ActionI, subject: Any? = null, agreeIfNullOrEmpty: Boolean = true) {
-    val isNullOrEmpty = (subject == null || (subject is Collection<*> && subject.isNullOrEmpty()))
-    if (!can(action, subject) && !agreeIfNullOrEmpty && isNullOrEmpty) {
-        throw UnauthorizedException(action)
-    }
-}
-
-fun PipelineContext<Unit, ApplicationCall>.assertCan(action: ActionI, subject: Any? = null, agreeIfNullOrEmpty: Boolean = true) =
-    context.assertCan(action, subject, agreeIfNullOrEmpty)
-
-fun PipelineContext<Unit, ApplicationCall>.can(action: ActionI, subject: Any? = null) =
-    context.can(action, subject)
-
-fun ApplicationCall.can(action: ActionI, subject: Any? = null): Boolean {
-    val voters = attributes[votersAttributeKey]
-
-    return voters.can(action, this, subject)
-}
-
-abstract class VoterException(message: String) : Throwable(message)
-class NoVoterException(action: ActionI) : VoterException("No voter found for action '$action'")
-class UnauthorizedException(action: ActionI) : VoterException("Unauthorized for action '$action'")
-class ForbiddenException(message: String? = null) : Throwable(message)
-
-val ApplicationCall.user get() = authentication.principal<User>()
-
-class AuthorizationVoter {
-
-    /**
-     * Configuration for [AuthorizationVoter] feature.
-     */
-    class Configuration {
-        var voters = mutableListOf<Voter>()
-        fun voter(voter: Voter) = voters.add(voter)
-    }
-
-    /**
-     * Object for installing feature
-     */
-    companion object Feature : ApplicationFeature<ApplicationCallPipeline, Configuration, AuthorizationVoter> {
-
-        override val key = AttributeKey<AuthorizationVoter>("Voter")
-
-        @KtorExperimentalAPI
-        override fun install(
-            pipeline: ApplicationCallPipeline,
-            configure: Configuration.() -> Unit
-        ): AuthorizationVoter {
-            val configuration = Configuration().apply(configure)
-
-            pipeline.intercept(ApplicationCallPipeline.Features) {
-                context.attributes.put(votersAttributeKey, configuration.voters)
-
-                try {
-                    proceed()
-                } catch (e: VoterException) {
-                    context.respond(HttpStatusCode.Forbidden)
-                }
-            }
-
-            return AuthorizationVoter()
-        }
-    }
-}
diff --git a/src/main/kotlin/fr/dcproject/security/voter/WorkgroupVoter.kt b/src/main/kotlin/fr/dcproject/security/voter/WorkgroupVoter.kt
index ca5507d..12d8583 100644
--- a/src/main/kotlin/fr/dcproject/security/voter/WorkgroupVoter.kt
+++ b/src/main/kotlin/fr/dcproject/security/voter/WorkgroupVoter.kt
@@ -2,6 +2,11 @@ package fr.dcproject.security.voter
 
 import fr.dcproject.citizenOrNull
 import fr.dcproject.entity.*
+import fr.dcproject.user
+import fr.ktorVoter.ActionI
+import fr.ktorVoter.Vote
+import fr.ktorVoter.Voter
+import fr.ktorVoter.VoterException
 import io.ktor.application.ApplicationCall
 
 class WorkgroupVoter : Voter {
diff --git a/src/test/kotlin/fr/dcproject/security/voter/ArticleVoterTest.kt b/src/test/kotlin/fr/dcproject/security/voter/ArticleVoterTest.kt
index e651fa3..9014168 100644
--- a/src/test/kotlin/fr/dcproject/security/voter/ArticleVoterTest.kt
+++ b/src/test/kotlin/fr/dcproject/security/voter/ArticleVoterTest.kt
@@ -1,6 +1,9 @@
 package fr.dcproject.security.voter
 
 import fr.dcproject.entity.*
+import fr.dcproject.user
+import fr.ktorVoter.Vote
+import fr.ktorVoter.can
 import io.ktor.application.ApplicationCall
 import io.mockk.every
 import io.mockk.mockk
@@ -34,7 +37,7 @@ internal class ArticleVoterTest {
     )
 
     init {
-        mockkStatic("fr.dcproject.security.voter.VoterKt")
+        mockkStatic("fr.dcproject.ApplicationContextKt")
     }
 
     @Test
diff --git a/src/test/kotlin/fr/dcproject/security/voter/CitizenVoterTest.kt b/src/test/kotlin/fr/dcproject/security/voter/CitizenVoterTest.kt
index 49a1fed..428b7af 100644
--- a/src/test/kotlin/fr/dcproject/security/voter/CitizenVoterTest.kt
+++ b/src/test/kotlin/fr/dcproject/security/voter/CitizenVoterTest.kt
@@ -1,6 +1,12 @@
 package fr.dcproject.security.voter
 
-import fr.dcproject.entity.*
+import fr.dcproject.entity.CitizenBasic
+import fr.dcproject.entity.CitizenI
+import fr.dcproject.entity.User
+import fr.dcproject.entity.UserI
+import fr.dcproject.user
+import fr.ktorVoter.ActionI
+import fr.ktorVoter.can
 import io.ktor.application.ApplicationCall
 import io.ktor.locations.KtorExperimentalLocationsAPI
 import io.mockk.every
@@ -46,7 +52,7 @@ internal class CitizenVoterTest {
     ).apply { deletedAt = DateTime.now() }
 
     init {
-        mockkStatic("fr.dcproject.security.voter.VoterKt")
+        mockkStatic("fr.dcproject.ApplicationContextKt")
     }
 
     @Test
diff --git a/src/test/kotlin/fr/dcproject/security/voter/CommentVoterTest.kt b/src/test/kotlin/fr/dcproject/security/voter/CommentVoterTest.kt
index a8e38ed..7258bca 100644
--- a/src/test/kotlin/fr/dcproject/security/voter/CommentVoterTest.kt
+++ b/src/test/kotlin/fr/dcproject/security/voter/CommentVoterTest.kt
@@ -1,6 +1,9 @@
 package fr.dcproject.security.voter
 
 import fr.dcproject.entity.*
+import fr.dcproject.user
+import fr.ktorVoter.ActionI
+import fr.ktorVoter.can
 import io.ktor.application.ApplicationCall
 import io.ktor.locations.KtorExperimentalLocationsAPI
 import io.mockk.every
@@ -66,7 +69,7 @@ internal class CommentVoterTest {
     )
 
     init {
-        mockkStatic("fr.dcproject.security.voter.VoterKt")
+        mockkStatic("fr.dcproject.ApplicationContextKt")
     }
 
     @Test
diff --git a/src/test/kotlin/fr/dcproject/security/voter/FollowVoterTest.kt b/src/test/kotlin/fr/dcproject/security/voter/FollowVoterTest.kt
index 41c192f..1042144 100644
--- a/src/test/kotlin/fr/dcproject/security/voter/FollowVoterTest.kt
+++ b/src/test/kotlin/fr/dcproject/security/voter/FollowVoterTest.kt
@@ -1,6 +1,9 @@
 package fr.dcproject.security.voter
 
 import fr.dcproject.entity.*
+import fr.dcproject.user
+import fr.ktorVoter.ActionI
+import fr.ktorVoter.can
 import io.ktor.application.ApplicationCall
 import io.ktor.locations.KtorExperimentalLocationsAPI
 import io.mockk.every
@@ -56,7 +59,7 @@ internal class FollowVoterTest {
     )
 
     init {
-        mockkStatic("fr.dcproject.security.voter.VoterKt")
+        mockkStatic("fr.dcproject.ApplicationContextKt")
     }
 
     @Test
diff --git a/src/test/kotlin/fr/dcproject/security/voter/OpinionChoiceVoterTest.kt b/src/test/kotlin/fr/dcproject/security/voter/OpinionChoiceVoterTest.kt
index 573f3e8..a355eb0 100644
--- a/src/test/kotlin/fr/dcproject/security/voter/OpinionChoiceVoterTest.kt
+++ b/src/test/kotlin/fr/dcproject/security/voter/OpinionChoiceVoterTest.kt
@@ -1,6 +1,9 @@
 package fr.dcproject.security.voter
 
 import fr.dcproject.entity.*
+import fr.dcproject.user
+import fr.ktorVoter.ActionI
+import fr.ktorVoter.can
 import io.ktor.application.ApplicationCall
 import io.ktor.locations.KtorExperimentalLocationsAPI
 import io.mockk.every
@@ -40,7 +43,7 @@ internal class OpinionChoiceVoterTest {
     )
 
     init {
-        mockkStatic("fr.dcproject.security.voter.VoterKt")
+        mockkStatic("fr.dcproject.ApplicationContextKt")
     }
 
     @Test
diff --git a/src/test/kotlin/fr/dcproject/security/voter/OpinionVoterTest.kt b/src/test/kotlin/fr/dcproject/security/voter/OpinionVoterTest.kt
index a74b7f8..f8e450d 100644
--- a/src/test/kotlin/fr/dcproject/security/voter/OpinionVoterTest.kt
+++ b/src/test/kotlin/fr/dcproject/security/voter/OpinionVoterTest.kt
@@ -1,6 +1,9 @@
 package fr.dcproject.security.voter
 
 import fr.dcproject.entity.*
+import fr.dcproject.user
+import fr.ktorVoter.ActionI
+import fr.ktorVoter.can
 import io.ktor.application.ApplicationCall
 import io.ktor.locations.KtorExperimentalLocationsAPI
 import io.mockk.every
@@ -55,7 +58,7 @@ internal class OpinionVoterTest {
     )
 
     init {
-        mockkStatic("fr.dcproject.security.voter.VoterKt")
+        mockkStatic("fr.dcproject.ApplicationContextKt")
     }
 
     @Test
diff --git a/src/test/kotlin/fr/dcproject/security/voter/VoteVoterTest.kt b/src/test/kotlin/fr/dcproject/security/voter/VoteVoterTest.kt
index 4da8b13..383617b 100644
--- a/src/test/kotlin/fr/dcproject/security/voter/VoteVoterTest.kt
+++ b/src/test/kotlin/fr/dcproject/security/voter/VoteVoterTest.kt
@@ -1,7 +1,9 @@
 package fr.dcproject.security.voter
 
 import fr.dcproject.entity.*
-import fr.dcproject.entity.Vote as VoteEntity
+import fr.dcproject.user
+import fr.ktorVoter.ActionI
+import fr.ktorVoter.can
 import io.ktor.application.ApplicationCall
 import io.ktor.locations.KtorExperimentalLocationsAPI
 import io.mockk.every
@@ -12,6 +14,7 @@ import org.joda.time.DateTime
 import org.junit.jupiter.api.Tag
 import org.junit.jupiter.api.Test
 import org.junit.jupiter.api.TestInstance
+import fr.dcproject.entity.Vote as VoteEntity
 
 @KtorExperimentalLocationsAPI
 @TestInstance(TestInstance.Lifecycle.PER_CLASS)
@@ -70,7 +73,7 @@ internal class VoteVoterTest {
     )
 
     init {
-        mockkStatic("fr.dcproject.security.voter.VoterKt")
+        mockkStatic("fr.dcproject.ApplicationContextKt")
     }
 
     @Test
diff --git a/src/test/kotlin/fr/dcproject/security/voter/WorkgroupVoterTest.kt b/src/test/kotlin/fr/dcproject/security/voter/WorkgroupVoterTest.kt
index 5179274..bfc8b6c 100644
--- a/src/test/kotlin/fr/dcproject/security/voter/WorkgroupVoterTest.kt
+++ b/src/test/kotlin/fr/dcproject/security/voter/WorkgroupVoterTest.kt
@@ -1,6 +1,10 @@
 package fr.dcproject.security.voter
 
 import fr.dcproject.entity.*
+import fr.dcproject.user
+import fr.ktorVoter.ActionI
+import fr.ktorVoter.VoterException
+import fr.ktorVoter.can
 import io.ktor.application.ApplicationCall
 import io.ktor.locations.KtorExperimentalLocationsAPI
 import io.mockk.every
@@ -66,7 +70,7 @@ internal class WorkgroupVoterTest {
     private val workgroupref = WorkgroupRef()
 
     init {
-        mockkStatic("fr.dcproject.security.voter.VoterKt")
+        mockkStatic("fr.dcproject.ApplicationContextKt")
     }
 
     @Test