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An in-memory CookieJar compatible with OkHttp
package nl.nl2312.example
import okhttp3.Cookie
import okhttp3.CookieJar
import okhttp3.HttpUrl
import okhttp3.HttpUrl.Companion.toHttpUrl
class MemoryCookieJar : CookieJar {
private val cache = mutableSetOf<WrappedCookie>()
@Synchronized
override fun loadForRequest(url: HttpUrl): List<Cookie> {
val cookiesToRemove = mutableSetOf<WrappedCookie>()
val validCookies = mutableSetOf<WrappedCookie>()
cache.forEach { cookie ->
if (cookie.isExpired()) {
cookiesToRemove.add(cookie)
} else if (cookie.matches(url)) {
validCookies.add(cookie)
}
}
cache.removeAll(cookiesToRemove)
return validCookies.toList().map(WrappedCookie::unwrap)
}
@Synchronized
fun saveFromHeader(url: String, setCookieHeader: String) {
val cookie = Cookie.parse(url.toHttpUrl(), setCookieHeader) ?: return
val wrappedCookie = WrappedCookie.wrap(cookie)
cache.remove(wrappedCookie)
cache.add(wrappedCookie)
}
@Synchronized
override fun saveFromResponse(url: HttpUrl, cookies: List<Cookie>) {
val cookiesToAdd = cookies.map { WrappedCookie.wrap(it) }
cache.removeAll(cookiesToAdd)
cache.addAll(cookiesToAdd)
}
@Synchronized
fun clear() {
cache.clear()
}
}
class WrappedCookie private constructor(val cookie: Cookie) {
fun unwrap() = cookie
fun isExpired() = cookie.expiresAt < System.currentTimeMillis()
fun matches(url: HttpUrl) = cookie.matches(url)
override fun equals(other: Any?): Boolean {
if (other !is WrappedCookie) return false
return other.cookie.name == cookie.name &&
other.cookie.domain == cookie.domain &&
other.cookie.path == cookie.path &&
other.cookie.secure == cookie.secure &&
other.cookie.hostOnly == cookie.hostOnly
}
override fun hashCode(): Int {
var hash = 17
hash = 31 * hash + cookie.name.hashCode()
hash = 31 * hash + cookie.domain.hashCode()
hash = 31 * hash + cookie.path.hashCode()
hash = 31 * hash + if (cookie.secure) 0 else 1
hash = 31 * hash + if (cookie.hostOnly) 0 else 1
return hash
}
companion object {
fun wrap(cookie: Cookie) = WrappedCookie(cookie)
}
}
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