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callcontext.scala
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callcontext.scala
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/*
* Copyright 2020 Scala EventStoreDB Client
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package sec
package api
import cats.syntax.all._
//======================================================================================================================
final private[sec] case class Context(
connectionName: String,
userCreds: Option[UserCredentials],
requiresLeader: Boolean
)
//======================================================================================================================
/** Credentials used for EventStoreDB connections.
*/
sealed abstract case class UserCredentials(username: String, password: String) {
override def toString = s"UserCredentials(username = $username, password = 🤐)"
}
object UserCredentials:
private[sec] def unsafe(username: String, password: String): UserCredentials =
new UserCredentials(username, password) {}
/** Constructs an instance with provided @param username and @param password. Input is validated for being non-empty
* and not containing the character `:`.
*/
def apply(username: String, password: String): Either[InvalidInput, UserCredentials] =
def validate(value: String, name: String) =
def nonEmpty(v: String): Attempt[String] =
Option(v).filter(_.nonEmpty).toRight(s"$name is empty")
def validChars(v: String): Attempt[String] =
Option.unless(v.contains(':'))(v).toRight(s"$name cannot contain characters [':']")
nonEmpty(value) >>= validChars
(validate(username, "username"), validate(password, "password"))
.mapN(UserCredentials.unsafe)
.leftMap(InvalidInput(_))
//======================================================================================================================