add test for InstanceSwitchAuthInterceptor and convert it to Kotlin (#2596)

* add test for InstanceSwitchAuthInterceptor

* improve InstanceSwitchAuthInterceptorTest

* Rename .java to .kt

* convert InstanceSwitchAuthInterceptor to Kotlin

* fix ktlint issues

* improve InstanceSwitchAuthInterceptorTest

* improve InstanceSwitchAuthInterceptorTest
This commit is contained in:
Konrad Pozniak 2022-06-30 21:25:44 +02:00 committed by GitHub
parent 62c4cfde89
commit 86403ac6dc
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4 changed files with 227 additions and 88 deletions

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@ -189,6 +189,8 @@ dependencies {
testImplementation "org.mockito:mockito-inline:4.4.0"
testImplementation "org.mockito.kotlin:mockito-kotlin:4.0.0"
testImplementation "com.squareup.okhttp3:mockwebserver:$okhttpVersion"
androidTestImplementation "androidx.test.espresso:espresso-core:3.4.0"
androidTestImplementation "androidx.room:room-testing:$roomVersion"
androidTestImplementation "androidx.test.ext:junit:1.1.3"

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@ -1,88 +0,0 @@
/* Copyright 2018 charlag
*
* This file is a part of Tusky.
*
* This program is free software; you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation; either version 3 of the
* License, or (at your option) any later version.
*
* Tusky is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
* the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
* Public License for more details.
*
* You should have received a copy of the GNU General Public License along with Tusky; if not,
* see <http://www.gnu.org/licenses>. */
package com.keylesspalace.tusky.network;
import android.util.Log;
import androidx.annotation.NonNull;
import com.keylesspalace.tusky.db.AccountEntity;
import com.keylesspalace.tusky.db.AccountManager;
import java.io.IOException;
import okhttp3.*;
/**
* Created by charlag on 31/10/17.
*/
public final class InstanceSwitchAuthInterceptor implements Interceptor {
private final AccountManager accountManager;
public InstanceSwitchAuthInterceptor(AccountManager accountManager) {
this.accountManager = accountManager;
}
@NonNull
@Override
public Response intercept(@NonNull Chain chain) throws IOException {
Request originalRequest = chain.request();
// only switch domains if the request comes from retrofit
if (originalRequest.url().host().equals(MastodonApi.PLACEHOLDER_DOMAIN)) {
AccountEntity currentAccount = accountManager.getActiveAccount();
Request.Builder builder = originalRequest.newBuilder();
String instanceHeader = originalRequest.header(MastodonApi.DOMAIN_HEADER);
if (instanceHeader != null) {
// use domain explicitly specified in custom header
builder.url(swapHost(originalRequest.url(), instanceHeader));
builder.removeHeader(MastodonApi.DOMAIN_HEADER);
} else if (currentAccount != null) {
String accessToken = currentAccount.getAccessToken();
if (!accessToken.isEmpty()) {
//use domain of current account
builder.url(swapHost(originalRequest.url(), currentAccount.getDomain()))
.header("Authorization",
String.format("Bearer %s", currentAccount.getAccessToken()));
}
}
Request newRequest = builder.build();
if (MastodonApi.PLACEHOLDER_DOMAIN.equals(newRequest.url().host())) {
Log.w("ISAInterceptor", "no user logged in or no domain header specified - can't make request to " + newRequest.url());
return new Response.Builder()
.code(400)
.message("Bad Request")
.protocol(Protocol.HTTP_2)
.body(ResponseBody.create("", MediaType.parse("text/plain")))
.request(chain.request())
.build();
}
return chain.proceed(newRequest);
} else {
return chain.proceed(originalRequest);
}
}
@NonNull
private static HttpUrl swapHost(@NonNull HttpUrl url, @NonNull String host) {
return url.newBuilder().host(host).build();
}
}

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@ -0,0 +1,82 @@
/* Copyright 2022 Tusky Contributors
*
* This file is a part of Tusky.
*
* This program is free software; you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation; either version 3 of the
* License, or (at your option) any later version.
*
* Tusky is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
* the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
* Public License for more details.
*
* You should have received a copy of the GNU General Public License along with Tusky; if not,
* see <http://www.gnu.org/licenses>. */
package com.keylesspalace.tusky.network
import android.util.Log
import com.keylesspalace.tusky.db.AccountManager
import okhttp3.HttpUrl
import okhttp3.Interceptor
import okhttp3.MediaType.Companion.toMediaType
import okhttp3.Protocol
import okhttp3.Request
import okhttp3.Response
import okhttp3.ResponseBody.Companion.toResponseBody
import java.io.IOException
class InstanceSwitchAuthInterceptor(private val accountManager: AccountManager) : Interceptor {
@Throws(IOException::class)
override fun intercept(chain: Interceptor.Chain): Response {
val originalRequest: Request = chain.request()
// only switch domains if the request comes from retrofit
return if (originalRequest.url.host == MastodonApi.PLACEHOLDER_DOMAIN) {
val builder: Request.Builder = originalRequest.newBuilder()
val instanceHeader = originalRequest.header(MastodonApi.DOMAIN_HEADER)
if (instanceHeader != null) {
// use domain explicitly specified in custom header
builder.url(swapHost(originalRequest.url, instanceHeader))
builder.removeHeader(MastodonApi.DOMAIN_HEADER)
} else {
val currentAccount = accountManager.activeAccount
if (currentAccount != null) {
val accessToken = currentAccount.accessToken
if (accessToken.isNotEmpty()) {
// use domain of current account
builder.url(swapHost(originalRequest.url, currentAccount.domain))
.header("Authorization", "Bearer %s".format(accessToken))
}
}
}
val newRequest: Request = builder.build()
if (MastodonApi.PLACEHOLDER_DOMAIN == newRequest.url.host) {
Log.w("ISAInterceptor", "no user logged in or no domain header specified - can't make request to " + newRequest.url)
return Response.Builder()
.code(400)
.message("Bad Request")
.protocol(Protocol.HTTP_2)
.body("".toResponseBody("text/plain".toMediaType()))
.request(chain.request())
.build()
}
chain.proceed(newRequest)
} else {
chain.proceed(originalRequest)
}
}
companion object {
private fun swapHost(url: HttpUrl, host: String): HttpUrl {
return url.newBuilder().host(host).build()
}
}
}

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@ -0,0 +1,143 @@
package com.keylesspalace.tusky.network
import com.keylesspalace.tusky.db.AccountEntity
import com.keylesspalace.tusky.db.AccountManager
import okhttp3.OkHttpClient
import okhttp3.Request
import okhttp3.mockwebserver.MockResponse
import okhttp3.mockwebserver.MockWebServer
import org.junit.After
import org.junit.Assert.assertEquals
import org.junit.Assert.assertNull
import org.junit.Before
import org.junit.Test
import org.mockito.kotlin.doAnswer
import org.mockito.kotlin.mock
class InstanceSwitchAuthInterceptorTest {
private val mockWebServer = MockWebServer()
@Before
fun setup() {
mockWebServer.start()
}
@After
fun teardown() {
mockWebServer.shutdown()
}
@Test
fun `should make regular request when requested`() {
mockWebServer.enqueue(MockResponse())
val accountManager: AccountManager = mock {
on { activeAccount } doAnswer { null }
}
val okHttpClient = OkHttpClient.Builder()
.addInterceptor(InstanceSwitchAuthInterceptor(accountManager))
.build()
val request = Request.Builder()
.get()
.url(mockWebServer.url("/test"))
.build()
val response = okHttpClient.newCall(request).execute()
assertEquals(200, response.code)
}
@Test
fun `should make request to instance requested in special header`() {
mockWebServer.enqueue(MockResponse())
val accountManager: AccountManager = mock {
on { activeAccount } doAnswer {
AccountEntity(
id = 1,
domain = "test.domain",
accessToken = "fakeToken",
clientId = "fakeId",
clientSecret = "fakeSecret",
isActive = true
)
}
}
val okHttpClient = OkHttpClient.Builder()
.addInterceptor(InstanceSwitchAuthInterceptor(accountManager))
.build()
val request = Request.Builder()
.get()
.url("http://" + MastodonApi.PLACEHOLDER_DOMAIN + ":" + mockWebServer.port + "/test")
.header(MastodonApi.DOMAIN_HEADER, mockWebServer.hostName)
.build()
val response = okHttpClient.newCall(request).execute()
assertEquals(200, response.code)
assertNull(mockWebServer.takeRequest().getHeader("Authorization"))
}
@Test
fun `should make request to current instance when requested and user is logged in`() {
mockWebServer.enqueue(MockResponse())
val accountManager: AccountManager = mock {
on { activeAccount } doAnswer {
AccountEntity(
id = 1,
domain = mockWebServer.hostName,
accessToken = "fakeToken",
clientId = "fakeId",
clientSecret = "fakeSecret",
isActive = true
)
}
}
val okHttpClient = OkHttpClient.Builder()
.addInterceptor(InstanceSwitchAuthInterceptor(accountManager))
.build()
val request = Request.Builder()
.get()
.url("http://" + MastodonApi.PLACEHOLDER_DOMAIN + ":" + mockWebServer.port + "/test")
.build()
val response = okHttpClient.newCall(request).execute()
assertEquals(200, response.code)
assertEquals("Bearer fakeToken", mockWebServer.takeRequest().getHeader("Authorization"))
}
@Test
fun `should fail to make request when request to current instance is requested but no user is logged in`() {
mockWebServer.enqueue(MockResponse())
val accountManager: AccountManager = mock {
on { activeAccount } doAnswer { null }
}
val okHttpClient = OkHttpClient.Builder()
.addInterceptor(InstanceSwitchAuthInterceptor(accountManager))
.build()
val request = Request.Builder()
.get()
.url("http://" + MastodonApi.PLACEHOLDER_DOMAIN + "/test")
.build()
val response = okHttpClient.newCall(request).execute()
assertEquals(400, response.code)
assertEquals(0, mockWebServer.requestCount)
}
}