add trackers support (#720)

* add trackers support

* Cleanup Tracker Code

* Add GraphQL support for Tracking

* Fix lint and deprecation errors

* remove password from logs

* Fixes after merge

* Disable tracking for now

* More disabled

---------

Co-authored-by: Syer10 <syer10@users.noreply.github.com>

server/src/main/kotlin/eu/kanade/tachiyomi/network/OkHttpExtensions.kt

@@ -9,6 +9,7 @@ import kotlinx.serialization.json.okio.decodeFromBufferedSource
 import kotlinx.serialization.serializer
 import okhttp3.Call
 import okhttp3.Callback
+import okhttp3.MediaType.Companion.toMediaType
 import okhttp3.OkHttpClient
 import okhttp3.Request
 import okhttp3.Response
@@ -19,6 +20,8 @@ import java.io.IOException
 import java.util.concurrent.atomic.AtomicBoolean
 import kotlin.coroutines.resumeWithException
 
+val jsonMime = "application/json; charset=utf-8".toMediaType()
+
 fun Call.asObservable(): Observable<Response> {
     return Observable.unsafeCreate { subscriber ->
         // Since Call is a one-shot type, clone it for each new subscriber.

server/src/main/kotlin/eu/kanade/tachiyomi/util/PkceUtil.kt

@@ -0,0 +1,14 @@
+package eu.kanade.tachiyomi.util
+
+import android.util.Base64
+import java.security.SecureRandom
+
+object PkceUtil {
+    private const val PKCE_BASE64_ENCODE_SETTINGS = Base64.NO_WRAP or Base64.NO_PADDING or Base64.URL_SAFE
+
+    fun generateCodeVerifier(): String {
+        val codeVerifier = ByteArray(50)
+        SecureRandom().nextBytes(codeVerifier)
+        return Base64.encodeToString(codeVerifier, PKCE_BASE64_ENCODE_SETTINGS)
+    }
+}

server/src/main/kotlin/eu/kanade/tachiyomi/util/lang/CoroutinesExtensions.kt

@@ -0,0 +1,61 @@
+package eu.kanade.tachiyomi.util.lang
+
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.CoroutineStart
+import kotlinx.coroutines.DelicateCoroutinesApi
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.GlobalScope
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.NonCancellable
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
+
+/**
+ * Think twice before using this. This is a delicate API. It is easy to accidentally create resource or memory leaks when GlobalScope is used.
+ *
+ * **Possible replacements**
+ * - suspend function
+ * - custom scope like view or presenter scope
+ */
+@DelicateCoroutinesApi
+fun launchUI(block: suspend CoroutineScope.() -> Unit): Job = GlobalScope.launch(Dispatchers.Main, CoroutineStart.DEFAULT, block)
+
+/**
+ * Think twice before using this. This is a delicate API. It is easy to accidentally create resource or memory leaks when GlobalScope is used.
+ *
+ * **Possible replacements**
+ * - suspend function
+ * - custom scope like view or presenter scope
+ */
+@DelicateCoroutinesApi
+fun launchIO(block: suspend CoroutineScope.() -> Unit): Job = GlobalScope.launch(Dispatchers.IO, CoroutineStart.DEFAULT, block)
+
+/**
+ * Think twice before using this. This is a delicate API. It is easy to accidentally create resource or memory leaks when GlobalScope is used.
+ *
+ * **Possible replacements**
+ * - suspend function
+ * - custom scope like view or presenter scope
+ */
+@DelicateCoroutinesApi
+fun launchNow(block: suspend CoroutineScope.() -> Unit): Job = GlobalScope.launch(Dispatchers.Main, CoroutineStart.UNDISPATCHED, block)
+
+fun CoroutineScope.launchUI(block: suspend CoroutineScope.() -> Unit): Job = launch(Dispatchers.Main, block = block)
+
+fun CoroutineScope.launchIO(block: suspend CoroutineScope.() -> Unit): Job = launch(Dispatchers.IO, block = block)
+
+fun CoroutineScope.launchNonCancellable(block: suspend CoroutineScope.() -> Unit): Job = launchIO { withContext(NonCancellable, block) }
+
+suspend fun <T> withUIContext(block: suspend CoroutineScope.() -> T) =
+    withContext(
+        Dispatchers.Main,
+        block,
+    )
+
+suspend fun <T> withIOContext(block: suspend CoroutineScope.() -> T) =
+    withContext(
+        Dispatchers.IO,
+        block,
+    )
+
+suspend fun <T> withNonCancellableContext(block: suspend CoroutineScope.() -> T) = withContext(NonCancellable, block)