taler-android

Android apps for GNU Taler (wallet, PoS, cashier)
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HttpUtils.kt (2631B)

      1 /*
      2  * This file is part of GNU Taler
      3  * (C) 2024 Taler Systems S.A.
      4  *
      5  * GNU Taler is free software; you can redistribute it and/or modify it under the
      6  * terms of the GNU General Public License as published by the Free Software
      7  * Foundation; either version 3, or (at your option) any later version.
      8  *
      9  * GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
     10  * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
     11  * A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
     12  *
     13  * You should have received a copy of the GNU General Public License along with
     14  * GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
     15  */
     16 
     17 package net.taler.common
     18 
     19 import io.ktor.client.HttpClient
     20 import io.ktor.client.engine.okhttp.OkHttp
     21 import io.ktor.client.plugins.HttpRedirect
     22 import io.ktor.client.plugins.HttpTimeout
     23 import io.ktor.client.plugins.HttpTimeoutConfig.Companion.INFINITE_TIMEOUT_MS
     24 import io.ktor.client.plugins.contentnegotiation.ContentNegotiation
     25 import io.ktor.client.plugins.logging.ANDROID
     26 import io.ktor.client.plugins.logging.LogLevel
     27 import io.ktor.client.plugins.logging.Logger
     28 import io.ktor.client.plugins.logging.Logging
     29 import io.ktor.http.HttpMethod
     30 import io.ktor.serialization.kotlinx.json.json
     31 import kotlinx.serialization.json.Json
     32 
     33 fun getDefaultHttpClient(
     34     withJson: Boolean = true,
     35     timeoutMs: Long? = null,
     36     followRedirect: Boolean = false,
     37     logging: Boolean = true,
     38 ): HttpClient = HttpClient(OkHttp) {
     39     expectSuccess = true
     40     followRedirects = followRedirect
     41     engine {
     42         config {
     43             retryOnConnectionFailure(true)
     44         }
     45     }
     46     install(ContentNegotiation) {
     47         if (withJson) {
     48             json(Json {
     49                 encodeDefaults = false
     50                 ignoreUnknownKeys = true
     51             })
     52         }
     53     }
     54     install(HttpTimeout) {
     55         requestTimeoutMillis = if (timeoutMs != null && timeoutMs > 0) {
     56             timeoutMs
     57         } else {
     58             INFINITE_TIMEOUT_MS
     59         }
     60 
     61         socketTimeoutMillis = INFINITE_TIMEOUT_MS
     62         connectTimeoutMillis = INFINITE_TIMEOUT_MS
     63     }
     64     install(HttpRedirect) {
     65         checkHttpMethod = !followRedirect
     66     }
     67     install(Logging) {
     68         logger = Logger.ANDROID
     69         level = if (logging) LogLevel.INFO else LogLevel.NONE
     70     }
     71 }
     72 
     73 fun String.toHttpMethod(): HttpMethod? = when(this) {
     74     "GET" -> HttpMethod.Get
     75     "POST" -> HttpMethod.Post
     76     "PUT" -> HttpMethod.Put
     77     "PATCH" -> HttpMethod.Patch
     78     "DELETE" -> HttpMethod.Delete
     79     "OPTIONS" -> HttpMethod.Options
     80     else -> null
     81 }