diff options
Diffstat (limited to 'merchant-lib/src')
5 files changed, 201 insertions, 0 deletions
diff --git a/merchant-lib/src/main/AndroidManifest.xml b/merchant-lib/src/main/AndroidManifest.xml new file mode 100644 index 0000000..7318c07 --- /dev/null +++ b/merchant-lib/src/main/AndroidManifest.xml @@ -0,0 +1,23 @@ +<!-- + ~ This file is part of GNU Taler + ~ (C) 2020 Taler Systems S.A. + ~ + ~ GNU Taler 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, or (at your option) any later version. + ~ + ~ GNU Taler 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 + ~ GNU Taler; see the file COPYING. If not, see <http://www.gnu.org/licenses/> + --> + +<manifest xmlns:android="http://schemas.android.com/apk/res/android" + package="net.taler.merchantlib"> + + <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" /> + <uses-permission android:name="android.permission.INTERNET" /> + +</manifest> diff --git a/merchant-lib/src/main/java/net/taler/merchantlib/ConfigResponse.kt b/merchant-lib/src/main/java/net/taler/merchantlib/ConfigResponse.kt new file mode 100644 index 0000000..49164e6 --- /dev/null +++ b/merchant-lib/src/main/java/net/taler/merchantlib/ConfigResponse.kt @@ -0,0 +1,34 @@ +/* + * This file is part of GNU Taler + * (C) 2020 Taler Systems S.A. + * + * GNU Taler 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, or (at your option) any later version. + * + * GNU Taler 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 + * GNU Taler; see the file COPYING. If not, see <http://www.gnu.org/licenses/> + */ + +package net.taler.merchantlib + +import kotlinx.serialization.Serializable + +@Serializable +data class ConfigResponse( + /** + * libtool-style representation of the Merchant protocol version, see + * https://www.gnu.org/software/libtool/manual/html_node/Versioning.html#Versioning + * The format is "current:revision:age". + */ + val version: String, + + /** + Currency supported by this backend. + */ + val currency: String +) diff --git a/merchant-lib/src/main/java/net/taler/merchantlib/MerchantApi.kt b/merchant-lib/src/main/java/net/taler/merchantlib/MerchantApi.kt new file mode 100644 index 0000000..656b093 --- /dev/null +++ b/merchant-lib/src/main/java/net/taler/merchantlib/MerchantApi.kt @@ -0,0 +1,43 @@ +/* + * This file is part of GNU Taler + * (C) 2020 Taler Systems S.A. + * + * GNU Taler 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, or (at your option) any later version. + * + * GNU Taler 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 + * GNU Taler; see the file COPYING. If not, see <http://www.gnu.org/licenses/> + */ + +package net.taler.merchantlib + +import io.ktor.client.HttpClient +import io.ktor.client.engine.okhttp.OkHttp +import io.ktor.client.features.json.JsonFeature +import io.ktor.client.features.json.serializer.KotlinxSerializer +import io.ktor.client.request.get +import io.ktor.client.request.header +import io.ktor.http.HttpHeaders.Authorization + +class MerchantApi(private val httpClient: HttpClient) { + + constructor() : this(getDefaultHttpClient()) + + suspend fun getConfig(baseUrl: String, apiKey: String = "sandbox"): ConfigResponse { + return httpClient.get("$baseUrl/config") { + header(Authorization, "ApiKey $apiKey") + } + } + +} + +private fun getDefaultHttpClient(): HttpClient = HttpClient(OkHttp) { + install(JsonFeature) { + serializer = KotlinxSerializer() + } +} diff --git a/merchant-lib/src/test/java/net/taler/merchantlib/MerchantApiTest.kt b/merchant-lib/src/test/java/net/taler/merchantlib/MerchantApiTest.kt new file mode 100644 index 0000000..6b2199b --- /dev/null +++ b/merchant-lib/src/test/java/net/taler/merchantlib/MerchantApiTest.kt @@ -0,0 +1,43 @@ +/* + * This file is part of GNU Taler + * (C) 2020 Taler Systems S.A. + * + * GNU Taler 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, or (at your option) any later version. + * + * GNU Taler 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 + * GNU Taler; see the file COPYING. If not, see <http://www.gnu.org/licenses/> + */ + +package net.taler.merchantlib + +import kotlinx.coroutines.runBlocking +import net.taler.merchantlib.MockHttpClient.giveJsonResponse +import net.taler.merchantlib.MockHttpClient.httpClient +import org.junit.Assert.assertEquals +import org.junit.Test + +class MerchantApiTest { + + private val api = MerchantApi(httpClient) + + @Test + fun testGetConfig() = runBlocking { + httpClient.giveJsonResponse("https://backend.int.taler.net/config") { + """ + { + "currency": "INTKUDOS", + "version": "0:0:0" + } + """.trimIndent() + } + val response = api.getConfig("https://backend.int.taler.net") + assertEquals(ConfigResponse("0:0:0", "INTKUDOS"), response) + } + +} diff --git a/merchant-lib/src/test/java/net/taler/merchantlib/MockHttpClient.kt b/merchant-lib/src/test/java/net/taler/merchantlib/MockHttpClient.kt new file mode 100644 index 0000000..076b77e --- /dev/null +++ b/merchant-lib/src/test/java/net/taler/merchantlib/MockHttpClient.kt @@ -0,0 +1,58 @@ +/* + * This file is part of GNU Taler + * (C) 2020 Taler Systems S.A. + * + * GNU Taler 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, or (at your option) any later version. + * + * GNU Taler 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 + * GNU Taler; see the file COPYING. If not, see <http://www.gnu.org/licenses/> + */ + +package net.taler.merchantlib + +import io.ktor.client.HttpClient +import io.ktor.client.engine.mock.MockEngine +import io.ktor.client.engine.mock.MockEngineConfig +import io.ktor.client.engine.mock.respond +import io.ktor.client.features.json.JsonFeature +import io.ktor.client.features.json.serializer.KotlinxSerializer +import io.ktor.http.ContentType.Application.Json +import io.ktor.http.Url +import io.ktor.http.fullPath +import io.ktor.http.headersOf +import io.ktor.http.hostWithPort + +object MockHttpClient { + + val httpClient = HttpClient(MockEngine) { + install(JsonFeature) { + serializer = KotlinxSerializer() + } + engine { + addHandler { error("No response handler set") } + } + } + + fun HttpClient.giveJsonResponse(url: String, jsonProducer: () -> String) { + val httpConfig = engineConfig as MockEngineConfig + httpConfig.requestHandlers.removeAt(0) + httpConfig.requestHandlers.add { request -> + if (request.url.fullUrl == url) { + val headers = headersOf("Content-Type" to listOf(Json.toString())) + respond(jsonProducer(), headers = headers) + } else { + error("Unexpected URL: ${request.url.fullUrl}") + } + } + } + + private val Url.hostWithPortIfRequired: String get() = if (port == protocol.defaultPort) host else hostWithPort + private val Url.fullUrl: String get() = "${protocol.name}://$hostWithPortIfRequired$fullPath" + +} |