Overhaul 2025 (See PR for changes)

lib/cookieinterceptor/build.gradle.kts

@@ -0,0 +1,3 @@
+plugins {
+    id("lib-android")
+}

lib/cookieinterceptor/src/main/java/eu/kanade/tachiyomi/lib/cookieinterceptor/CookieInterceptor.kt

@@ -0,0 +1,59 @@
+package eu.kanade.tachiyomi.lib.cookieinterceptor
+
+import android.webkit.CookieManager
+import okhttp3.Interceptor
+import okhttp3.Response
+
+class CookieInterceptor(
+    private val domain: String,
+    private val cookies: List<Pair<String, String>>
+) : Interceptor {
+    constructor(domain: String, cookie: Pair<String, String>) : this(domain, listOf(cookie))
+
+    init {
+        val url = "https://$domain/"
+        cookies.forEach {
+            val cookie = "${it.first}=${it.second}; Domain=$domain; Path=/"
+            setCookie(url, cookie)
+        }
+    }
+
+    override fun intercept(chain: Interceptor.Chain): Response {
+        val request = chain.request()
+        if (!request.url.host.endsWith(domain)) return chain.proceed(request)
+
+        val cookieList = request.header("Cookie")?.split("; ") ?: emptyList()
+
+        if (cookies.all { (key, value) -> "$key=$value" in cookieList })
+            return chain.proceed(request)
+
+        cookies.forEach { (key, value) ->
+            setCookie("https://$domain/", "$key=$value; Domain=$domain; Path=/")
+        }
+
+        val newCookie = buildList(cookieList.size + cookies.size) {
+            cookieList.filterNotTo(this) { existing ->
+                cookies.any { (key, _) ->
+                    existing.startsWith("$key=")
+                }
+            }
+            cookies.forEach { (key, value) ->
+                add("$key=$value")
+            }
+        }.joinToString("; ")
+
+        val newRequest = request.newBuilder()
+            .header("Cookie", newCookie)
+            .build()
+
+        return chain.proceed(newRequest)
+    }
+
+    private val cookieManager by lazy { CookieManager.getInstance() }
+
+    private fun setCookie(url: String, value: String) {
+        try {
+            cookieManager.setCookie(url, value)
+        } catch (_: Exception) { }
+    }
+}