Address some OkHttp nullability issues

app/src/main/java/eu/kanade/tachiyomi/data/cache/PagePreviewCache.kt

@@ -169,12 +169,12 @@ class PagePreviewCache(private val context: Context) {
             editor = diskCache.edit(key) ?: throw IOException("Unable to edit key")
 
             // Get OutputStream and write page with Okio.
-            response.body!!.source().saveTo(editor.newOutputStream(0))
+            response.body.source().saveTo(editor.newOutputStream(0))
 
             diskCache.flush()
             editor.commit()
         } finally {
-            response.body?.close()
+            response.body.close()
             editor?.abortUnlessCommitted()
         }
     }

app/src/main/java/eu/kanade/tachiyomi/source/online/all/EHentai.kt

@@ -1087,7 +1087,7 @@ class EHentai(
                     .url(EH_API_BASE)
                     .post(json.toString().toRequestBody(JSON))
                     .build(),
-            ).execute().body!!.string(),
+            ).execute().body.string(),
         )
 
         val obj = outJson["tokenlist"]!!.jsonArray.first().jsonObject
@@ -1216,7 +1216,7 @@ class EHentai(
                 if (response.isSuccessful) {
                     val body = ByteArrayOutputStream()
                         .use {
-                            val bitmap = BitmapFactory.decodeStream(response.body!!.byteStream())
+                            val bitmap = BitmapFactory.decodeStream(response.body.byteStream())
                                 ?: throw IOException("Null bitmap($thumbnailPreview)")
                             Bitmap.createBitmap(
                                 bitmap,

app/src/main/java/eu/kanade/tachiyomi/source/online/all/NHentai.kt

@@ -62,7 +62,7 @@ class NHentai(delegate: HttpSource, val context: Context) :
     }
 
     override suspend fun parseIntoMetadata(metadata: NHentaiSearchMetadata, input: Response) {
-        val json = GALLERY_JSON_REGEX.find(input.body?.string().orEmpty())!!.groupValues[1].replace(
+        val json = GALLERY_JSON_REGEX.find(input.body.string())!!.groupValues[1].replace(
             UNICODE_ESCAPE_REGEX,
         ) { it.groupValues[1].toInt(radix = 16).toChar().toString() }
         val jsonResponse = jsonParser.decodeFromString<JsonResponse>(json)

app/src/main/java/exh/md/handlers/AzukiHandler.kt

@@ -32,7 +32,7 @@ class AzukiHandler(currentClient: OkHttpClient, userAgent: String) {
     }
 
     fun pageListParse(response: Response): List<Page> {
-        return Json.parseToJsonElement(response.body!!.string())
+        return Json.parseToJsonElement(response.body.string())
             .jsonObject["pages"]!!
             .jsonArray.mapIndexed { index, element ->
                 val url = element.jsonObject["image_wm"]!!.jsonObject["webp"]!!.jsonArray[1].jsonObject["url"]!!.jsonPrimitive.content

app/src/main/java/exh/md/handlers/ComikeyHandler.kt

@@ -45,7 +45,7 @@ class ComikeyHandler(cloudflareClient: OkHttpClient, userAgent: String) {
     }
 
     private fun getActualPageList(response: Response): Request? {
-        val element = Json.parseToJsonElement(response.body!!.string()).jsonObject
+        val element = Json.parseToJsonElement(response.body.string()).jsonObject
         val ok = element["ok"]?.jsonPrimitive?.booleanOrNull ?: false
         if (ok.not()) {
             return null
@@ -55,7 +55,7 @@ class ComikeyHandler(cloudflareClient: OkHttpClient, userAgent: String) {
     }
 
     fun pageListParse(response: Response): List<Page> {
-        return Json.parseToJsonElement(response.body!!.string())
+        return Json.parseToJsonElement(response.body.string())
             .jsonObject["readingOrder"]!!
             .jsonArray.mapIndexed { index, element ->
                 val url = element.jsonObject["href"]!!.jsonPrimitive.content

app/src/main/java/exh/md/handlers/MangaHotHandler.kt

@@ -26,7 +26,7 @@ class MangaHotHandler(currentClient: OkHttpClient, userAgent: String) {
     }
 
     fun pageListParse(response: Response): List<Page> {
-        return Json.parseToJsonElement(response.body!!.string())
+        return Json.parseToJsonElement(response.body.string())
             .jsonObject["content"]!!.jsonObject["contentUrls"]!!
             .jsonArray.mapIndexed { index, element ->
                 val url = element.jsonPrimitive.content

app/src/main/java/exh/md/handlers/MangaPlusHandler.kt

@@ -40,7 +40,7 @@ class MangaPlusHandler(currentClient: OkHttpClient) {
     }
 
     private fun pageListParse(response: Response): List<Page> {
-        val result = ProtoBuf.decodeFromByteArray<MangaPlusResponse>(response.body!!.bytes())
+        val result = ProtoBuf.decodeFromByteArray<MangaPlusResponse>(response.body.bytes())
 
         if (result.success == null) {
             throw Exception("error getting images")
@@ -70,7 +70,7 @@ class MangaPlusHandler(currentClient: OkHttpClient) {
 
         val response = chain.proceed(request)
 
-        val image = decodeImage(encryptionKey, response.body!!.bytes())
+        val image = decodeImage(encryptionKey, response.body.bytes())
 
         val body = image.toResponseBody("image/jpeg".toMediaTypeOrNull())
         return response.newBuilder().body(body).build()

app/src/main/java/exh/recs/RecommendsPagingSource.kt

@@ -52,7 +52,7 @@ class MyAnimeList : API("https://api.jikan.moe/v3/") {
             .toString()
 
         val response = client.newCall(GET(apiUrl)).await()
-        val body = withIOContext { response.body?.string() } ?: throw Exception("Null Response")
+        val body = withIOContext { response.body.string() }
         val data = Json.decodeFromString<JsonObject>(body)
         val recommendations = data["recommendations"] as? JsonArray
         return recommendations?.filterIsInstance<JsonObject>()?.map { rec ->

app/src/main/java/exh/ui/captcha/BrowserActionActivity.kt

@@ -292,7 +292,7 @@ class BrowserActionActivity : AppCompatActivity() {
                 token to it
             }
         }.flatMap { (token, response) ->
-            val audioFile = response.body!!.bytes()
+            val audioFile = response.body.bytes()
 
             httpClient.newCall(
                 Request.Builder()

app/src/main/java/exh/util/OkHttpUtil.kt

@@ -7,8 +7,7 @@ import okhttp3.ResponseBody.Companion.toResponseBody
 import org.jsoup.nodes.Document
 
 fun Response.interceptAsHtml(block: (Document) -> Unit): Response {
-    val body = body
+    return if (body.contentType()?.type == "text" &&
-    return if (body?.contentType()?.type == "text" &&
         body.contentType()?.subtype == "html"
     ) {
         val bodyString = body.string()