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VerifyCredentialsWorker.kt
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VerifyCredentialsWorker.kt
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/*
* VoIP.ms SMS
* Copyright (C) 2019-2021 Michael Kourlas
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.kourlas.voipms_sms.sms.workers
import android.content.Context
import android.content.Intent
import android.content.pm.ServiceInfo
import android.os.Build
import androidx.work.CoroutineWorker
import androidx.work.ExistingWorkPolicy
import androidx.work.ForegroundInfo
import androidx.work.OneTimeWorkRequestBuilder
import androidx.work.OutOfQuotaPolicy
import androidx.work.WorkManager
import androidx.work.WorkerParameters
import androidx.work.workDataOf
import com.squareup.moshi.JsonClass
import com.squareup.moshi.JsonDataException
import net.kourlas.voipms_sms.R
import net.kourlas.voipms_sms.notifications.Notifications
import net.kourlas.voipms_sms.utils.httpPostWithMultipartFormData
import net.kourlas.voipms_sms.utils.logException
import java.io.IOException
/**
* Worker used to test credentials for a particular account from VoIP.ms.
*/
class VerifyCredentialsWorker(context: Context, params: WorkerParameters) :
CoroutineWorker(context, params) {
private var error: String? = null
override suspend fun doWork(): Result {
// Verify that credentials are valid.
val valid = verifyCredentials()
// Send broadcast.
val verifyCredentialsCompleteIntent = Intent(
applicationContext.getString(
R.string.verify_credentials_complete_action
)
)
verifyCredentialsCompleteIntent.putExtra(
applicationContext.getString(
R.string.verify_credentials_complete_error
), error
)
verifyCredentialsCompleteIntent.putExtra(
applicationContext.getString(
R.string.verify_credentials_complete_valid
),
valid
)
verifyCredentialsCompleteIntent.setPackage(
applicationContext.packageName
)
applicationContext.sendBroadcast(verifyCredentialsCompleteIntent)
return if (error == null) {
Result.success()
} else {
Result.failure()
}
}
override suspend fun getForegroundInfo(): ForegroundInfo {
val notification = Notifications.getInstance(applicationContext)
.getSyncVerifyCredentialsNotification()
return if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
ForegroundInfo(
Notifications.SYNC_VERIFY_CREDENTIALS_NOTIFICATION_ID,
notification,
ServiceInfo.FOREGROUND_SERVICE_TYPE_SHORT_SERVICE
)
} else {
ForegroundInfo(
Notifications.SYNC_VERIFY_CREDENTIALS_NOTIFICATION_ID,
notification
)
}
}
/**
* Verifies the credentials of the VoIP.ms account using the parameters
* from the specified intent.
*/
private suspend fun verifyCredentials(): Boolean {
// Retrieve DIDs from VoIP.ms API.
try {
val email = inputData.getString(
applicationContext.getString(
R.string.verify_credentials_email
)
)
val password = inputData.getString(
applicationContext.getString(
R.string.verify_credentials_password
)
)
if (email == null || password == null) {
return false
}
val response = getApiResponse(email, password)
if (response != null) {
return verifyResponse(response)
}
} catch (e: Exception) {
logException(e)
}
return false
}
@JsonClass(generateAdapter = true)
data class VerifyCredentialsResponse(val status: String)
/**
* Verifies the response of a getDIDsInfo call to the VoIP.ms API.
*
* @return Null if an error occurred.
*/
private suspend fun getApiResponse(
email: String,
password: String
): VerifyCredentialsResponse? {
try {
repeat(3) {
try {
return httpPostWithMultipartFormData(
applicationContext,
"https://voip.ms/api/v1/rest.php",
mapOf(
"api_username" to email,
"api_password" to password,
"method" to "getDIDsInfo"
)
)
} catch (e: IOException) {
// Try again...
}
}
error = applicationContext.getString(
R.string.verify_credentials_error_api_request
)
return null
} catch (e: JsonDataException) {
logException(e)
error = applicationContext.getString(
R.string.verify_credentials_error_api_parse
)
return null
} catch (e: Exception) {
logException(e)
error = applicationContext.getString(
R.string.verify_credentials_error_unknown
)
return null
}
}
/**
* Parses the response of a getDIDsInfo from the VoIP.ms API to verify that
* the response is valid.
*/
private fun verifyResponse(response: VerifyCredentialsResponse): Boolean {
if (response.status != "success") {
if (response.status == "no_did") {
return true
}
error = when (response.status) {
"invalid_credentials" -> applicationContext.getString(
R.string.verify_credentials_error_api_error_invalid_credentials
)
"missing_credentials" -> applicationContext.getString(
R.string.verify_credentials_error_api_error_missing_credentials
)
else -> applicationContext.getString(
R.string.verify_credentials_error_api_error,
response.status
)
}
return false
}
return true
}
companion object {
/**
* Verify credentials for a VoIP.ms account.
*/
fun verifyCredentials(
context: Context, email: String,
password: String
) {
val work = OneTimeWorkRequestBuilder<VerifyCredentialsWorker>()
.setInputData(
workDataOf(
context.getString(
R.string.verify_credentials_email
) to email,
context.getString(
R.string.verify_credentials_password
) to password
)
)
.setExpedited(OutOfQuotaPolicy.RUN_AS_NON_EXPEDITED_WORK_REQUEST)
.build()
WorkManager.getInstance(context).enqueueUniqueWork(
context.getString(R.string.verify_credentials_work_id),
ExistingWorkPolicy.REPLACE, work
)
}
}
}