package com.github.libretube.util import com.github.libretube.api.RetrofitInstance import com.github.libretube.constants.PreferenceKeys import kotlinx.coroutines.CoroutineScope import kotlinx.coroutines.Dispatchers import kotlinx.coroutines.launch import java.net.URI import java.net.URLDecoder import java.nio.charset.StandardCharsets import java.util.* object ProxyHelper { private fun getImageProxyUrl(): String? { val url = PreferenceHelper.getString(PreferenceKeys.IMAGE_PROXY_URL, "") return if (url != "") url else null } private fun setImageProxyUrl(url: String) { PreferenceHelper.putString(PreferenceKeys.IMAGE_PROXY_URL, url) } fun fetchProxyUrl() { CoroutineScope(Dispatchers.IO).launch { runCatching { RetrofitInstance.api.getConfig().imageProxyUrl?.let { setImageProxyUrl(it) } } } } fun rewriteUrl(url: String?): String? { url ?: return null val proxyUrl = getImageProxyUrl() proxyUrl ?: return url runCatching { val originalUri = URI(url) val newUri = URI( originalUri.scheme.lowercase(Locale.US), URI(proxyUrl).authority, originalUri.path, originalUri.query, originalUri.fragment ) return URLDecoder.decode(newUri.toString(), StandardCharsets.UTF_8.toString()) } return url } }