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start rewriting OAuth2NetworkManager
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PennMobile/src/main/java/com/pennapps/labs/pennmobile/PennMobileApp.kt
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PennMobile/src/main/java/com/pennapps/labs/pennmobile/api/OAuth2NetworkManager2.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,102 @@ | ||
| package com.pennapps.labs.pennmobile.api | ||
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| import android.content.Context | ||
| import android.content.SharedPreferences | ||
| import androidx.preference.PreferenceManager | ||
| import android.provider.Settings | ||
| import android.util.Log | ||
| import androidx.lifecycle.lifecycleScope | ||
| import com.google.firebase.crashlytics.FirebaseCrashlytics | ||
| import com.pennapps.labs.pennmobile.BuildConfig | ||
| import com.pennapps.labs.pennmobile.MainActivity | ||
| import com.pennapps.labs.pennmobile.R | ||
| import com.pennapps.labs.pennmobile.classes.AccessTokenResponse | ||
| import kotlinx.coroutines.CoroutineScope | ||
| import kotlinx.coroutines.launch | ||
| import kotlinx.coroutines.sync.Mutex | ||
| import retrofit.Callback | ||
| import retrofit.RetrofitError | ||
| import retrofit.client.Response | ||
| import java.util.* | ||
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| class OAuth2NetworkManager2(private val mStudentLife: StudentLife, | ||
| private val sp: SharedPreferences, | ||
| private val applicationScope: CoroutineScope, | ||
| private val tokenMutex: Mutex, | ||
| private val context: Context | ||
| ){ | ||
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| val editor: SharedPreferences.Editor = sp.edit() | ||
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| @Synchronized | ||
| fun getAccessToken(function: () -> Unit) { | ||
| // if guest mode, then just do network request dangerously(TEMPORARY FIX, PLEASE DO SOMETHING | ||
| // ABOUT THIS IN FUTURE) | ||
| val guestMode = sp.getBoolean(context.getString(R.string.guest_mode), false) | ||
| if (guestMode) { | ||
| function.invoke() | ||
| return | ||
| } | ||
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| applicationScope.launch { | ||
| tokenMutex.lock() | ||
| val expiresIn = sp.getString(context.getString(R.string.expires_in), "") | ||
| if (expiresIn != "") { | ||
| val expiresAt = sp.getLong(context.getString(R.string.token_expires_at), 0) | ||
| val currentTime = Calendar.getInstance().timeInMillis | ||
| if (currentTime >= expiresAt) { // if it has expired, refresh access token | ||
| Log.i("Accounts", "Expired") | ||
| refreshAccessToken (function) { | ||
| tokenMutex.unlock() | ||
| } | ||
| } else { | ||
| Log.i("Accounts", "Not Expired") | ||
| tokenMutex.unlock() | ||
| function.invoke() | ||
| } | ||
| } else { | ||
| refreshAccessToken (function) { | ||
| tokenMutex.unlock() | ||
| } | ||
| } | ||
| } | ||
| } | ||
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| @Synchronized | ||
| private fun refreshAccessToken(function: () -> Unit, unlockMutex: () -> Unit) { | ||
| val refreshToken = sp.getString(context.getString(R.string.refresh_token), "") | ||
| val clientID = BuildConfig.PLATFORM_CLIENT_ID | ||
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| mStudentLife.refreshAccessToken(refreshToken, | ||
| "refresh_token", clientID, | ||
| object : Callback<AccessTokenResponse> { | ||
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| override fun success(t: AccessTokenResponse?, response: Response?) { | ||
| if (response?.status == 200) { | ||
| val editor = sp.edit() | ||
| editor.putString(context.getString(R.string.access_token), t?.accessToken) | ||
| editor.putString(context.getString(R.string.refresh_token), t?.refreshToken) | ||
| editor.putString(context.getString(R.string.expires_in), t?.expiresIn) | ||
| val expiresIn = t?.expiresIn | ||
| val expiresInInt = (expiresIn!!.toInt() * 1000) | ||
| val currentTime = Calendar.getInstance().timeInMillis | ||
| editor.putLong(context.getString(R.string.token_expires_at), currentTime + expiresInInt) | ||
| editor.apply() | ||
| unlockMutex.invoke() | ||
| function.invoke() | ||
| Log.i("Accounts", "Reloaded Homepage") | ||
| } | ||
| } | ||
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| override fun failure(error: RetrofitError) { | ||
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| FirebaseCrashlytics.getInstance().recordException(error) | ||
| Log.e("Accounts", "Error refreshing access token $error") | ||
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| if (error.response != null && error.response.status == 400) { | ||
| unlockMutex.invoke() | ||
| } | ||
| } | ||
| }) | ||
| } | ||
| } |