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This uses WebView instead of the native solution, meaning some options are not available. Hopefully can still be useful to recover access to accounts that are signed in microG when Google decides that it can't verify your identity through other means.
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162 changes: 162 additions & 0 deletions
162
play-services-core/src/main/kotlin/org/microg/gms/accountsettings/ui/LoaderActivity.kt
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| Original file line number | Diff line number | Diff line change |
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| /* | ||
| * SPDX-FileCopyrightText: 2023 microG Project Team | ||
| * SPDX-License-Identifier: Apache-2.0 | ||
| */ | ||
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| package org.microg.gms.accountsettings.ui | ||
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| import android.accounts.AccountManager | ||
| import android.app.Activity | ||
| import android.content.Intent | ||
| import android.content.Intent.* | ||
| import android.net.Uri | ||
| import android.os.Bundle | ||
| import android.util.Log | ||
| import androidx.appcompat.app.AppCompatActivity | ||
| import org.microg.gms.auth.AuthConstants.DEFAULT_ACCOUNT_TYPE | ||
| import org.microg.gms.common.PackageUtils | ||
| import org.microg.tools.AccountPickerActivity | ||
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| private const val TAG = "AccountSettingsLoader" | ||
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| private val ALLOWED_FALLBACK_PREFIXES = setOf("https://myaccount.google.com/", "https://takeout.google.com/") | ||
| private val BROWSABLE_SCREEN_IDS = setOf(1, 200, 400, 502, 527, 10003, 10050, 12700, 12701) | ||
| private val ACCOUNT_CHOOSER_URI = Uri.parse("https://accounts.google.com/AccountChooser") | ||
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| private const val QUERY_PARAM_CONTINUE = "continue" | ||
| private const val QUERY_PARAM_LANG = "hl" | ||
| private const val QUERY_PARAM_EMAIL = "Email" | ||
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| private const val EXTRA_ALLOWABLE_ACCOUNT_TYPES = "allowableAccountTypes" | ||
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| private const val REQUEST_ACCOUNT_PICKER = 1 | ||
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| class LoaderActivity : AppCompatActivity() { | ||
| private var canAskForAccount = false | ||
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| private fun launchFallback() { | ||
| val fallbackUrl = intent?.getStringExtra(EXTRA_FALLBACK_URL) | ||
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| if (fallbackUrl == null) { | ||
| Log.d(TAG, "No fallback") | ||
| finishResult(RESULT_CANCELED) | ||
| } else if (fallbackUrl in ALLOWED_FALLBACK_PREFIXES) { | ||
| // TODO: Error screen? | ||
| Log.d(TAG, "Illegal fallback url") | ||
| finishResult(RESULT_CANCELED) | ||
| } else { | ||
| val fallbackAuth = intent?.getBooleanExtra(EXTRA_FALLBACK_AUTH, false) ?: false | ||
| val uri = if (fallbackAuth) { | ||
| val builder = ACCOUNT_CHOOSER_URI.buildUpon().appendQueryParameter(QUERY_PARAM_CONTINUE, fallbackUrl) | ||
| val accountName = intent?.getStringExtra(EXTRA_ACCOUNT_NAME) | ||
| if (!accountName.isNullOrBlank()) { | ||
| builder.appendQueryParameter(QUERY_PARAM_EMAIL, accountName) | ||
| } | ||
| val lang = Uri.parse(fallbackUrl).getQueryParameter(QUERY_PARAM_LANG) | ||
| if (lang != null) { | ||
| builder.appendQueryParameter(QUERY_PARAM_LANG, lang) | ||
| } | ||
| builder.build() | ||
| } else { | ||
| Uri.parse(fallbackUrl) | ||
| } | ||
| Log.d(TAG, "Opening fallback $fallbackUrl") | ||
| val intent = Intent(ACTION_VIEW, uri).apply { addCategory(CATEGORY_BROWSABLE) } | ||
| startActivity(intent) | ||
| finishResult(RESULT_OK) | ||
| } | ||
| } | ||
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| private fun launchMain() { | ||
| val requestedAccountName = intent.getStringExtra(EXTRA_ACCOUNT_NAME) | ||
| val ignoreAccount = intent?.getBooleanExtra(EXTRA_IGNORE_ACCOUNT, false) ?: false | ||
| val accounts = AccountManager.get(this).getAccountsByType(DEFAULT_ACCOUNT_TYPE) | ||
| val account = if (requestedAccountName != null) { | ||
| val account = accounts.find { it.name == requestedAccountName } | ||
| if (account == null) { | ||
| // TODO: Error screen? | ||
| Log.d(TAG, "Account not found: $requestedAccountName") | ||
| return finishResult(RESULT_CANCELED) | ||
| } | ||
| account | ||
| } else if (accounts.isEmpty()) { | ||
| if (intent?.getStringExtra(EXTRA_FALLBACK_URL) != null) { | ||
| return launchFallback() | ||
| } else { | ||
| // TODO: Error screen? | ||
| Log.d(TAG, "No account configured") | ||
| return finishResult(RESULT_CANCELED) | ||
| } | ||
| } else if (accounts.size > 1) { | ||
| if (canAskForAccount) { | ||
| val intent = Intent(this, AccountPickerActivity::class.java) | ||
| intent.putExtra(EXTRA_ALLOWABLE_ACCOUNT_TYPES, arrayOf(DEFAULT_ACCOUNT_TYPE)) | ||
| startActivityForResult(intent, REQUEST_ACCOUNT_PICKER) | ||
| canAskForAccount = false | ||
| return | ||
| } else { | ||
| return finishResult(RESULT_CANCELED) | ||
| } | ||
| } else { | ||
| accounts.first() | ||
| } | ||
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| val intent = Intent(this, MainActivity::class.java).apply { | ||
| action = intent.action | ||
| if (intent.hasExtra(EXTRA_THEME_CHOICE)) putExtra(EXTRA_THEME_CHOICE, intent.getIntExtra(EXTRA_THEME_CHOICE, 0)) | ||
| putExtra(EXTRA_ACCOUNT_NAME, account.name) | ||
| if (ignoreAccount) putExtra(EXTRA_IGNORE_ACCOUNT, true) | ||
| putExtra(EXTRA_SCREEN_ID, intent.getIntExtra(EXTRA_SCREEN_ID, 1)) | ||
| for (it in intent.extras?.keySet().orEmpty()) { | ||
| if (it.startsWith(EXTRA_SCREEN_OPTIONS_PREFIX)) putExtra(it, intent.getStringExtra(it)) | ||
| } | ||
| putExtra(EXTRA_CALLING_PACKAGE_NAME, callingActivity?.packageName) | ||
| if (intent.action != ACTION_BROWSE_SETTINGS) { | ||
| addFlags(FLAG_ACTIVITY_FORWARD_RESULT) | ||
| } | ||
| } | ||
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| startActivity(intent) | ||
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| if (!isFinishing && !isChangingConfigurations) { | ||
| finishResult(RESULT_OK) | ||
| } | ||
| } | ||
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| override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) { | ||
| if (requestCode == REQUEST_ACCOUNT_PICKER) { | ||
| if (resultCode == RESULT_OK && data?.hasExtra(AccountManager.KEY_ACCOUNT_NAME) == true) { | ||
| intent.putExtra(EXTRA_ACCOUNT_NAME, data.getStringExtra(AccountManager.KEY_ACCOUNT_NAME)) | ||
| launchMain() | ||
| } else { | ||
| finishResult(resultCode) | ||
| } | ||
| } else { | ||
| super.onActivityResult(requestCode, resultCode, data) | ||
| } | ||
| } | ||
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| override fun onCreate(savedInstanceState: Bundle?) { | ||
| canAskForAccount = true | ||
| val extras = intent?.extras?.also { it.keySet() } | ||
| Log.d(TAG, "Invoked with ${intent.action} and extras $extras") | ||
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| super.onCreate(savedInstanceState) | ||
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| val isMainAllowed = if (intent == null || intent.action != ACTION_BROWSE_SETTINGS) | ||
| PackageUtils.isGooglePackage(this, callingActivity?.packageName) | ||
| else | ||
| extras?.getInt(EXTRA_SCREEN_ID, -1) in BROWSABLE_SCREEN_IDS | ||
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| if (!isMainAllowed) { | ||
| launchFallback() | ||
| } else if (!isFinishing && !isChangingConfigurations){ | ||
| launchMain() | ||
| } | ||
| } | ||
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| private fun finishResult(resultCode: Int) { | ||
| setResult(resultCode) | ||
| finish() | ||
| } | ||
| } |
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