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Boundary.scala
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Boundary.scala
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/*
* Copyright 2013 http4s.org
*
* 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 org.http4s.multipart
import cats.Eq
import fs2.Chunk
import java.nio.charset.StandardCharsets
import java.util.Base64
import scala.util.Random
final case class Boundary(value: String) extends AnyVal {
def toChunk: Chunk[Byte] =
Chunk.array(value.getBytes(StandardCharsets.UTF_8))
}
object Boundary {
val CRLF = "\r\n"
private val defaultRandom = new Random()
private[multipart] def unsafeCreate(): Boundary = {
val bytes = new Array[Byte](30)
defaultRandom.nextBytes(bytes)
unsafeFromBytes(bytes)
}
private[this] val encoder = Base64.getUrlEncoder.withoutPadding
private[multipart] def unsafeFromBytes(bytes: Array[Byte]): Boundary =
Boundary(encoder.encodeToString(bytes))
implicit val boundaryEq: Eq[Boundary] = Eq.by(_.value)
}