fix brotli (mihonapp/mihon#d6c4af8)

Author: az4521

README.md

@@ -20,8 +20,8 @@ https://discord.gg/mihon
 - [ ] delegate 8muses
 - [ ] delegate hitomi
 ### fix
-- [ ] https://github.com/mihonapp/mihon/commit/d6c4af89c4a2df213f06ed4c3d714a2608117afb
-~~- [ ] switch from glide to coil, and use tachiyomi's image decoder~~
+- [x] https://github.com/mihonapp/mihon/commit/d6c4af89c4a2df213f06ed4c3d714a2608117afb
+- [x] ~~switch from glide to coil, and use tachiyomi's image decoder~~
 - [x] include tachiyomi's image decoder for exts to use, support AVIF and HEIC
 - [ ] recognize CBZ downloads in UI, not only in badges
 - [ ] fix smart background (steal from j2k)
@@ -30,9 +30,9 @@ https://discord.gg/mihon
 - [x] rgb filter corrupted preview image ~~(remove?)~~ replace with fox girl drawing
 ### match stable/j2k
 - [ ] allow downloading in CBZ
-- [ ] extlib 1.5 (migrate rx to coroutines)
+- [x] ~~extlib 1.5 (migrate rx to coroutines)~~ 1.5 isn't happening, but I *did* migrate pagers to coroutine, fixing the pixiv ext
 - [ ] re-order per-source downloads
-- [ ] j2k: ability to set custom cover - arbitrary file - [j2k commit](https://github.com/Jays2Kings/tachiyomiJ2K/commit/d3ec230d4baa8584118dc30807728305715db25b)
+- [ ] j2k: editing manga info - [j2k commit](https://github.com/Jays2Kings/tachiyomiJ2K/commit/d3ec230d4baa8584118dc30807728305715db25b)
 - [ ] j2k: reader: add chapter list view
 ### maybe
 - [ ] add quick shortcut to extension repos in "Extensions" tab

app/src/main/java/eu/kanade/tachiyomi/network/NetworkHelper.kt

@@ -4,6 +4,7 @@ import android.content.Context
 import eu.kanade.tachiyomi.BuildConfig
 import eu.kanade.tachiyomi.data.preference.PreferencesHelper
 import eu.kanade.tachiyomi.network.interceptor.CloudflareInterceptor
+import eu.kanade.tachiyomi.network.interceptor.IgnoreGzipInterceptor
 import eu.kanade.tachiyomi.network.interceptor.UserAgentInterceptor
 import exh.log.maybeInjectEHLogger
 import java.io.File
@@ -33,6 +34,7 @@ open class NetworkHelper(context: Context) {
             .cache(Cache(cacheDir, cacheSize))
             .connectTimeout(30, TimeUnit.SECONDS)
             .readTimeout(30, TimeUnit.SECONDS)
+            .addNetworkInterceptor(IgnoreGzipInterceptor())
             .addInterceptor(BrotliInterceptor)
             .maybeInjectEHLogger()
 

app/src/main/java/eu/kanade/tachiyomi/network/interceptor/IgnoreGzipInterceptor.kt

@@ -0,0 +1,21 @@
+package eu.kanade.tachiyomi.network.interceptor
+
+import okhttp3.Interceptor
+import okhttp3.Response
+
+/**
+ * To use [okhttp3.brotli.BrotliInterceptor] as a network interceptor,
+ * add [IgnoreGzipInterceptor] right before it.
+ *
+ * This nullifies the transparent gzip of [okhttp3.internal.http.BridgeInterceptor]
+ * so gzip and Brotli are explicitly handled by the [okhttp3.brotli.BrotliInterceptor].
+ */
+class IgnoreGzipInterceptor : Interceptor {
+    override fun intercept(chain: Interceptor.Chain): Response {
+        var request = chain.request()
+        if (request.header("Accept-Encoding") == "gzip") {
+            request = request.newBuilder().removeHeader("Accept-Encoding").build()
+        }
+        return chain.proceed(request)
+    }
+}