Dynamically configure cookie and base-url

When `base-url` is the default (i.e. localhost), the cookie is now
configured with the domain doing the request and the webapp is
configured to run requests against the host in the address bar of the
browser.

modules/common/src/main/scala/docspell/common/LenientUri.scala

@@ -83,6 +83,9 @@ case class LenientUri(
       }
     )
 
+  def isLocal: Boolean =
+    host.exists(_.equalsIgnoreCase("localhost"))
+
   def asString: String = {
     val schemePart = scheme.toList.mkString(":")
     val authPart   = authority.map(a => s"//$a").getOrElse("")

modules/restserver/src/main/scala/docspell/restserver/auth/CookieData.scala

@@ -11,8 +11,8 @@ case class CookieData(auth: AuthToken) {
   def accountId: AccountId = auth.account
   def asString: String     = auth.asString
 
-  def asCookie(cfg: Config): ResponseCookie = {
-    val domain = cfg.baseUrl.host
+  def asCookie(cfg: Config, host: Option[String]): ResponseCookie = {
+    val domain = CookieData.getDomain(cfg, host)
     val sec    = cfg.baseUrl.scheme.exists(_.endsWith("s"))
     val path   = cfg.baseUrl.path / "api" / "v1" / "sec"
     ResponseCookie(
@@ -29,6 +29,10 @@ object CookieData {
   val cookieName = "docspell_auth"
   val headerName = "X-Docspell-Auth"
 
+  private def getDomain(cfg: Config, remote: Option[String]): Option[String] =
+    if (cfg.baseUrl.isLocal) remote.orElse(cfg.baseUrl.host)
+    else cfg.baseUrl.host
+
   def authenticator[F[_]](r: Request[F]): Either[String, String] =
     fromCookie(r).orElse(fromHeader(r))
 
@@ -47,11 +51,11 @@ object CookieData {
       .map(_.value)
       .toRight("Couldn't find an authenticator")
 
-  def deleteCookie(cfg: Config): ResponseCookie =
+  def deleteCookie(cfg: Config, remoteHost: Option[String]): ResponseCookie =
     ResponseCookie(
       cookieName,
       "",
-      domain = cfg.baseUrl.host,
+      domain = getDomain(cfg, remoteHost),
       path = Some(cfg.baseUrl.path / "api" / "v1" / "sec").map(_.asString),
       httpOnly = true,
       secure = cfg.baseUrl.scheme.exists(_.endsWith("s")),

modules/restserver/src/main/scala/docspell/restserver/routes/LoginRoutes.scala

@@ -23,7 +23,8 @@ object LoginRoutes {
       for {
         up  <- req.as[UserPass]
         res <- S.loginUserPass(cfg.auth)(Login.UserPass(up.account, up.password))
-        resp <- makeResponse(dsl, cfg, res, up.account)
+        remote = req.from.map(_.getHostName())
+        resp <- makeResponse(dsl, cfg, remote, res, up.account)
       } yield resp
     }
   }
@@ -36,16 +37,17 @@ object LoginRoutes {
       case req @ POST -> Root / "session" =>
         Authenticate
           .authenticateRequest(S.loginSession(cfg.auth))(req)
-          .flatMap(res => makeResponse(dsl, cfg, res, ""))
+          .flatMap(res => makeResponse(dsl, cfg, req.from.map(_.getHostName), res, ""))
 
-      case POST -> Root / "logout" =>
-        Ok().map(_.addCookie(CookieData.deleteCookie(cfg)))
+      case req @ POST -> Root / "logout" =>
+        Ok().map(_.addCookie(CookieData.deleteCookie(cfg, req.from.map(_.getHostName))))
     }
   }
 
   def makeResponse[F[_]: Effect](
       dsl: Http4sDsl[F],
       cfg: Config,
+      remoteHost: Option[String],
       res: Login.Result,
       account: String
   ): F[Response[F]] = {
@@ -63,7 +65,7 @@ object LoginRoutes {
               Some(cd.asString),
               cfg.auth.sessionValid.millis
             )
-          ).map(_.addCookie(cd.asCookie(cfg)))
+          ).map(_.addCookie(cd.asCookie(cfg, remoteHost)))
         } yield resp
       case _ =>
         Ok(AuthResult("", account, false, "Login failed.", None, 0L))

modules/restserver/src/main/scala/docspell/restserver/webapp/Flags.scala

@@ -11,7 +11,7 @@ import yamusca.imports._
 
 case class Flags(
     appName: String,
-    baseUrl: LenientUri,
+    baseUrl: String,
     signupMode: SignupConfig.Mode,
     docspellAssetPath: String,
     integrationEnabled: Boolean,
@@ -25,7 +25,7 @@ object Flags {
   def apply(cfg: Config): Flags =
     Flags(
       cfg.appName,
-      cfg.baseUrl,
+      getBaseUrl(cfg),
       cfg.backend.signup.mode,
       s"/app/assets/docspell-webapp/${BuildInfo.version}",
       cfg.integrationEndpoint.enabled,
@@ -35,6 +35,10 @@ object Flags {
       cfg.showClassificationSettings
     )
 
+  private def getBaseUrl(cfg: Config): String =
+    if (cfg.baseUrl.isLocal) cfg.baseUrl.path.asString
+    else cfg.baseUrl.asString
+
   implicit val jsonEncoder: Encoder[Flags] =
     deriveEncoder[Flags]