-
Notifications
You must be signed in to change notification settings - Fork 786
/
Cookie.scala
69 lines (57 loc) · 2.11 KB
/
Cookie.scala
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
/*
* 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
package headers
import cats.data.NonEmptyList
import cats.parse.Parser
import org.http4s.util.Renderable
import org.http4s.util.Writer
import org.typelevel.ci._
object Cookie {
def apply(head: RequestCookie, tail: RequestCookie*): `Cookie` =
apply(NonEmptyList(head, tail.toList))
def parse(s: String): ParseResult[Cookie] =
ParseResult.fromParser(parser, "Invalid Cookie header")(s)
private[http4s] val parser: Parser[Cookie] = {
import Parser.char
/*
cookie-string = cookie-pair *( ";" *SP cookie-pair )
We go slightly off spec and tolerate zero or more spaces after a semicolon separating cookies
to align with other HTTP implementations (netty and pekko) and what we've seen in the wild
*/
val cookieString = (RequestCookie.parser ~ (
(char(';') *> char(' ').rep0).soft *> RequestCookie.parser
).rep0).map { case (head, tail) =>
Cookie(NonEmptyList(head, tail))
}
// We also see trailing semi-colons in the wild, and grudgingly tolerate them here
cookieString <* char(';').?
}
val name: CIString = ci"Cookie"
implicit val headerInstance: Header[Cookie, Header.Recurring] =
Header.createRendered(
name,
h =>
new Renderable {
def render(writer: Writer): writer.type =
writer.addNel(h.values, sep = "; ")
},
parse,
)
implicit val headerSemigroupInstance: cats.Semigroup[Cookie] =
(a, b) => Cookie(a.values.concatNel(b.values))
}
final case class Cookie(values: NonEmptyList[RequestCookie])