Migrate OkHttp to Ktor

2025-09-13 17:26:40 +02:00
parent f9d5d2a36c
commit 2953667875
22 changed files with 369 additions and 289 deletions
--- a/core/base/src/main/java/de/mm20/launcher2/licenses/OpenSourceLicenses.kt
+++ b/core/base/src/main/java/de/mm20/launcher2/licenses/OpenSourceLicenses.kt
@@ -69,20 +69,11 @@ val OpenSourceLicenses = arrayOf(
        url = "https://square.github.io/okhttp/"
    ),
    OpenSourceLibrary(
-        name = "Retrofit",
-        description = "A type-safe HTTP client for Android and Java",
+        name = "Ktor Client",
+        description = "A multiplatform asynchronous HTTP client",
        licenseName = R.string.apache_license_name,
        licenseText = R.raw.license_apache_2,
-        copyrightNote = "Copyright 2013 Square, Inc.",
-        url = "https://square.github.io/retrofit/"
-    ),
-    OpenSourceLibrary(
-        name = "Gson",
-        description = "Gson is a Java library that can be used to convert Java Objects into their JSON representation.",
-        licenseName = R.string.apache_license_name,
-        licenseText = R.raw.license_apache_2,
-        copyrightNote = "Copyright 2008 Google Inc.",
-        url = "https://github.com/google/gson/"
+        url = "https://ktor.io/"
    ),
    OpenSourceLibrary(
        name = "commons-suncalc",
--- a/data/currencies/build.gradle.kts
+++ b/data/currencies/build.gradle.kts
@@ -44,7 +44,7 @@ dependencies {
    implementation(libs.androidx.appcompat)
    implementation(libs.androidx.work)

-    implementation(libs.okhttp)
+    implementation(libs.bundles.ktor)

    implementation(project(":core:ktx"))
    implementation(project(":core:i18n"))
--- a/data/currencies/src/main/java/de/mm20/launcher2/currencies/ExchangeRateWorker.kt
+++ b/data/currencies/src/main/java/de/mm20/launcher2/currencies/ExchangeRateWorker.kt
@@ -2,28 +2,30 @@ package de.mm20.launcher2.currencies

 import android.content.Context
 import android.util.Log
-import androidx.work.Worker
+import androidx.work.CoroutineWorker
 import androidx.work.WorkerParameters
 import de.mm20.launcher2.crashreporter.CrashReporter
 import de.mm20.launcher2.database.AppDatabase
-import okhttp3.OkHttpClient
-import okhttp3.Request
+import io.ktor.client.HttpClient
+import io.ktor.client.request.get
+import io.ktor.client.request.url
+import io.ktor.client.statement.bodyAsChannel
+import io.ktor.utils.io.jvm.javaio.toInputStream
 import org.w3c.dom.Element
 import java.text.SimpleDateFormat
 import javax.xml.parsers.DocumentBuilderFactory

-class ExchangeRateWorker(val context: Context, params: WorkerParameters) : Worker(context, params) {
-    override fun doWork(): Result {
+class ExchangeRateWorker(val context: Context, params: WorkerParameters) :
+    CoroutineWorker(context, params) {
+    override suspend fun doWork(): Result {
        Log.d("MM20", "Updating currency exchange rates")
-        val httpClient = OkHttpClient()
-        val request = Request.Builder()
-                .url("https://www.ecb.europa.eu/stats/eurofxref/eurofxref-daily.xml")
-                .get()
-                .build()
+        val httpClient = HttpClient()
        try {
-            val response = httpClient.newCall(request).execute()
-            val document = DocumentBuilderFactory.newInstance().newDocumentBuilder().parse(response.body?.byteStream()
-                    ?: return Result.retry())
+            val response = httpClient.get {
+                url("https://www.ecb.europa.eu/stats/eurofxref/eurofxref-daily.xml")
+            }
+            val document = DocumentBuilderFactory.newInstance().newDocumentBuilder()
+                .parse(response.bodyAsChannel().toInputStream())
            val cubes = document.getElementsByTagName("Cube")
            val values = mutableListOf<Pair<String, Double>>()
            var timestamp = System.currentTimeMillis()
--- a/data/search-actions/build.gradle.kts
+++ b/data/search-actions/build.gradle.kts
@@ -43,7 +43,7 @@ dependencies {

    implementation(libs.koin.android)
    implementation(libs.jsoup)
-    implementation(libs.okhttp)
+    implementation(libs.bundles.ktor)
    implementation(libs.coil.core)

    implementation(project(":core:base"))
--- a/data/search-actions/src/main/java/de/mm20/launcher2/searchactions/KnownWebsearchEngines.kt
+++ b/data/search-actions/src/main/java/de/mm20/launcher2/searchactions/KnownWebsearchEngines.kt
@@ -16,6 +16,7 @@ fun knownWebsearchByHostname(hostname: String): CustomWebsearchActionBuilder? {
        "amazon.cn" -> CustomWebsearchActionBuilder(label = "Amazon CN", urlTemplate = "https://www.amazon.cn/s?k=\${1}")
        "duckduckgo.com" -> CustomWebsearchActionBuilder(label = "DuckDuckGo", urlTemplate = "https://duckduckgo.com/?q=\${1}")
        "yahoo.com" -> CustomWebsearchActionBuilder(label = "Yahoo", urlTemplate = "https://search.yahoo.com/search?p=\${1}")
+        "ecosia.org" -> CustomWebsearchActionBuilder(label = "Ecosia", urlTemplate = "https://www.ecosia.org/search?q=\${1}")
        else -> null
    }
 }
--- a/data/search-actions/src/main/java/de/mm20/launcher2/searchactions/SearchActionRepository.kt
+++ b/data/search-actions/src/main/java/de/mm20/launcher2/searchactions/SearchActionRepository.kt
@@ -6,7 +6,6 @@ import de.mm20.launcher2.crashreporter.CrashReporter
 import de.mm20.launcher2.database.AppDatabase
 import de.mm20.launcher2.database.entities.SearchActionEntity
 import de.mm20.launcher2.ktx.jsonObjectOf
-import de.mm20.launcher2.searchactions.actions.ShareAction
 import de.mm20.launcher2.searchactions.builders.CallActionBuilder
 import de.mm20.launcher2.searchactions.builders.CreateContactActionBuilder
 import de.mm20.launcher2.searchactions.builders.EmailActionBuilder
--- a/data/search-actions/src/main/java/de/mm20/launcher2/searchactions/SearchActionService.kt
+++ b/data/search-actions/src/main/java/de/mm20/launcher2/searchactions/SearchActionService.kt
@@ -16,6 +16,11 @@ import de.mm20.launcher2.searchactions.actions.SearchAction
 import de.mm20.launcher2.searchactions.actions.SearchActionIcon
 import de.mm20.launcher2.searchactions.builders.SearchActionBuilder
 import de.mm20.launcher2.searchactions.builders.CustomWebsearchActionBuilder
+import io.ktor.client.HttpClient
+import io.ktor.client.request.get
+import io.ktor.client.request.url
+import io.ktor.client.statement.bodyAsChannel
+import io.ktor.utils.io.jvm.javaio.toInputStream
 import kotlinx.collections.immutable.ImmutableList
 import kotlinx.collections.immutable.persistentListOf
 import kotlinx.collections.immutable.toImmutableList
@@ -24,8 +29,6 @@ import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.flowOf
 import kotlinx.coroutines.flow.map
 import kotlinx.coroutines.withContext
-import okhttp3.OkHttpClient
-import okhttp3.Request
 import org.jsoup.Jsoup
 import org.xmlpull.v1.XmlPullParser
 import org.xmlpull.v1.XmlPullParserException
@@ -138,16 +141,14 @@ internal class SearchActionServiceImpl(
        iconSize: Int
    ): CustomWebsearchActionBuilder? {
        try {
-            val httpClient = OkHttpClient()
-            val request = Request.Builder()
-                .url(openSearchHref)
-                .build()
-            val response = httpClient.newCall(request).execute()
-            val inputStream = response.body?.byteStream() ?: return null
+            val httpClient = HttpClient()
+            val response = httpClient.get {
+                url(openSearchHref)
+            }
+            val inputStream = response.bodyAsChannel().toInputStream()

            var label: String? = null
            var urlTemplate: String? = null
-            var icon: String? = null
            var largestIconSize: Int = 0
            var largestIcon: String? = null

--- a/data/weather/src/main/java/de/mm20/launcher2/weather/metno/MetNoProvider.kt
+++ b/data/weather/src/main/java/de/mm20/launcher2/weather/metno/MetNoProvider.kt
@@ -14,12 +14,8 @@ import de.mm20.launcher2.weather.GeocoderWeatherProvider
 import de.mm20.launcher2.weather.R
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.flow.first
-import kotlinx.coroutines.flow.map
 import kotlinx.coroutines.withContext
-import okhttp3.OkHttpClient
-import okhttp3.Request
-import org.json.JSONException
-import org.json.JSONObject
+import kotlinx.serialization.SerializationException
 import org.shredzone.commons.suncalc.SunTimes
 import java.io.IOException
 import java.security.MessageDigest
@@ -34,7 +30,7 @@ import kotlin.math.roundToInt
 internal class MetNoProvider(
    private val context: Context,
    private val weatherSettings: WeatherSettings,
-): GeocoderWeatherProvider(context) {
+) : GeocoderWeatherProvider(context) {

    private val metNoApi = MetNoApi()

@@ -43,6 +39,7 @@ internal class MetNoProvider(
            is WeatherLocation.LatLon -> withContext(Dispatchers.IO) {
                getWeatherData(location.lat, location.lon, location.name)
            }
+
            else -> {
                Log.e("MetNoProvider", "Unsupported location type: $location")
                null
@@ -58,7 +55,11 @@ internal class MetNoProvider(
    }

    @WorkerThread
-    private suspend fun getWeatherData(lat: Double, lon: Double, locationName: String): List<Forecast>? {
+    private suspend fun getWeatherData(
+        lat: Double,
+        lon: Double,
+        locationName: String
+    ): List<Forecast>? {
        val lastUpdate = weatherSettings.lastUpdate.first()
        try {
            val forecasts = mutableListOf<Forecast>()
@@ -115,7 +116,7 @@ internal class MetNoProvider(
                )
            }
            return forecasts
-        } catch (e: JSONException) {
+        } catch (e: SerializationException) {
            CrashReporter.logException(e)
        } catch (e: IOException) {
            CrashReporter.logException(e)
@@ -180,7 +181,6 @@ internal class MetNoProvider(
    }


-
    private fun conditionForCode(code: String): String {
        return context.getString(
            when (code.substringBefore("_")) {
@@ -240,17 +240,22 @@ internal class MetNoProvider(
            "rainshowersandthunder", "snowandthunder", "snowshowersandthunder",
            "lightssnowshowersandthunder", "lightsleetandthunder",
            "lightsnowandthunder" -> Forecast.THUNDERSTORM
+
            "sleetshowers", "sleet", "lightsleetshowers", "heavysleetshowers", "lightsleet",
            "heavysleet" -> Forecast.SLEET
+
            "snowshowers", "snow", "lightsnowshowers", "heavysnowshowers", "lightsnow",
            "heavysnow" -> Forecast.SNOW
+
            "heavyrain", "heavyrainshowers" -> Forecast.SHOWERS
            "heavyrainandthunder", "sleetshowersandthunder", "rainandthunder", "sleetandthunder",
            "lightrainshowersandthunder", "heavyrainshowersandthunder",
            "lightssleetshowersandthunder", "lightrainandthunder" -> Forecast.THUNDERSTORM_WITH_RAIN
+
            "fog" -> Forecast.FOG
            "heavysleetshowersandthunder",
            "heavysleetandthunder" -> Forecast.HEAVY_THUNDERSTORM_WITH_RAIN
+
            "heavysnowshowersandthunder", "heavysnowandthunder" -> Forecast.HEAVY_THUNDERSTORM
            else -> Forecast.NONE
        }
--- a/data/websites/build.gradle.kts
+++ b/data/websites/build.gradle.kts
@@ -46,7 +46,7 @@ dependencies {

    implementation(libs.bundles.androidx.lifecycle)

-    implementation(libs.okhttp)
+    implementation(libs.bundles.ktor)
    implementation(libs.jsoup)

    implementation(libs.koin.android)
--- a/data/websites/src/main/java/de/mm20/launcher2/websites/WebsiteRepository.kt
+++ b/data/websites/src/main/java/de/mm20/launcher2/websites/WebsiteRepository.kt
@@ -6,6 +6,13 @@ import androidx.core.graphics.toColorInt
 import de.mm20.launcher2.preferences.search.WebsiteSearchSettings
 import de.mm20.launcher2.search.SearchableRepository
 import de.mm20.launcher2.search.Website
+import io.ktor.client.HttpClient
+import io.ktor.client.plugins.HttpTimeout
+import io.ktor.client.request.get
+import io.ktor.client.request.url
+import io.ktor.client.statement.bodyAsText
+import io.ktor.client.statement.request
+import io.ktor.http.Url
 import kotlinx.collections.immutable.ImmutableList
 import kotlinx.collections.immutable.persistentListOf
 import kotlinx.coroutines.Dispatchers
@@ -13,16 +20,12 @@ import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.flowOf
 import kotlinx.coroutines.flow.transformLatest
 import kotlinx.coroutines.withContext
-import okhttp3.HttpUrl
-import okhttp3.OkHttpClient
-import okhttp3.Request
 import org.jsoup.Jsoup
 import java.io.IOException
 import java.io.UncheckedIOException
 import java.net.MalformedURLException
 import java.net.URISyntaxException
 import java.net.URL
-import java.util.concurrent.TimeUnit


 internal class WebsiteRepository(
@@ -30,20 +33,20 @@ internal class WebsiteRepository(
    val settings: WebsiteSearchSettings,
 ) : SearchableRepository<Website> {

-    private val httpClient = OkHttpClient
-        .Builder()
-        .connectTimeout(200, TimeUnit.MILLISECONDS)
-        .readTimeout(3000, TimeUnit.MILLISECONDS)
-        .writeTimeout(1000, TimeUnit.MILLISECONDS)
-        .build()
+    private val httpClient by lazy {
+        HttpClient {
+            install(HttpTimeout) {
+                connectTimeoutMillis = 200
+                requestTimeoutMillis = 3000
+                socketTimeoutMillis = 1000
+            }
+        }
+    }

    override fun search(query: String, allowNetwork: Boolean): Flow<ImmutableList<Website>> {
        if (!allowNetwork) return flowOf(persistentListOf())
        return settings.enabled.transformLatest { enabled ->
            emit(persistentListOf())
-            withContext(Dispatchers.IO) {
-                httpClient.dispatcher.cancelAll()
-            }
            if (!enabled || query.isBlank()) return@transformLatest

            val website = queryWebsite(query)
@@ -61,14 +64,11 @@ internal class WebsiteRepository(
                "$protocol$query"
            if (!URLUtil.isValidUrl(url)) return@withContext null
            try {
-                val request = Request.Builder()
-                    .url(URL(url))
-                    .get()
-                    .tag("onlinesearch")
-                    .build()
-                val response = httpClient.newCall(request).execute()
+                val response = httpClient.get {
+                    url(url)
+                }
                url = response.request.url.toString()
-                val body = response.body?.string() ?: return@withContext null
+                val body = response.bodyAsText()
                val doc = Jsoup.parse(body)
                var title = doc.select("meta[property=og:title]").attr("content")
                if (title.isBlank()) title = doc.title()
@@ -112,9 +112,9 @@ internal class WebsiteRepository(
        return result
    }

-    private fun resolveUrl(url: HttpUrl, link: String): String {
+    private fun resolveUrl(url: Url, link: String): String {
        return try {
-            URL(url.toUrl(), link).toString()
+            URL(URL(url.toString()), link).toString()
        } catch (e: MalformedURLException) {
            ""
        }
--- a/docs/docs/developer-guide/project-structure/libraries.md
+++ b/docs/docs/developer-guide/project-structure/libraries.md
@@ -13,5 +13,5 @@ The following libraries are commonly used:
 - **KotlinX serialization** for JSON serialization
 - **AndroidX Room** to store launcher data in an SQLite database
 - **AndroidX Datastore** to store additional user preferences
- **OkHttp and Retrofit** for HTTP requests
+- **Ktor** for HTTP requests
 - Several other **AndroidX** libraries (Work, Lifecycle, AppCompat, …)
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -40,7 +40,6 @@ accompanist = "0.36.0"
 haze = "1.6.10"
 coil = "2.7.0"
 koin = "4.1.1"
-retrofit = "2.11.0"
 ktor = "3.2.3"
 junit = "4.13.2"
 junitVersion = "1.2.1"
@@ -111,10 +110,6 @@ ktor-client-content-negotiation = { group = "io.ktor", name = "ktor-client-conte
 ktor-serialization-kotlinx-json = { group = "io.ktor", name = "ktor-serialization-kotlinx-json", version.ref = "ktor" }

 androidx-navigation-compose = { group = "androidx.navigation", name = "navigation-compose", version = "2.9.0" }
-okhttp = { group = "com.squareup.okhttp3", name = "okhttp", version = "4.12.0" }
-
-retrofit-core = { group = "com.squareup.retrofit2", name = "retrofit", version.ref = "retrofit" }
-retrofit-gson = { group = "com.squareup.retrofit2", name = "converter-gson", version.ref = "retrofit" }

 coil-core = { group = "io.coil-kt", name = "coil", version.ref = "coil" }
 coil-svg = { group = "io.coil-kt", name = "coil-svg", version.ref = "coil" }
@@ -141,7 +136,6 @@ osmopeninghours = { group = "de.westnordost", name = "osm-opening-hours", versio
 [bundles]
 kotlin = ["kotlin-stdlib", "kotlinx-coroutines-core", "kotlinx-coroutines-android", "kotlinx-collections-immutable", "kotlinx-serialization-json"]
 androidx-lifecycle = ["androidx-lifecycle-viewmodel", "androidx-lifecycle-common", "androidx-lifecycle-runtime", "androidx-lifecycle-viewmodelcompose", "androidx-lifecycle-runtimecompose"]
-retrofit = ["retrofit-core", "retrofit-gson"]
 ktor = ["ktor-client-core", "ktor-client-okhttp", "ktor-serialization-kotlinx-json", "ktor-client-content-negotiation"]
 tests = ["junit"]

--- a/libs/nextcloud/build.gradle.kts
+++ b/libs/nextcloud/build.gradle.kts
@@ -54,7 +54,7 @@ dependencies {

    implementation(libs.bundles.androidx.lifecycle)

-    implementation(libs.okhttp)
+    implementation(libs.bundles.ktor)

    api(project(":libs:webdav"))
    implementation(project(":core:i18n"))
--- a/libs/nextcloud/src/main/java/de/mm20/launcher2/nextcloud/NcUser.kt
+++ b/libs/nextcloud/src/main/java/de/mm20/launcher2/nextcloud/NcUser.kt
@@ -1,6 +1,10 @@
 package de.mm20.launcher2.nextcloud

+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
+
 data class NcUser(
    val displayName: String,
    val username: String
 )
+
--- a/libs/nextcloud/src/main/java/de/mm20/launcher2/nextcloud/NextcloudApiHelper.kt
+++ b/libs/nextcloud/src/main/java/de/mm20/launcher2/nextcloud/NextcloudApiHelper.kt
@@ -11,19 +11,27 @@ import androidx.security.crypto.MasterKey
 import de.mm20.launcher2.serialization.Json
 import de.mm20.launcher2.webdav.WebDavApi
 import de.mm20.launcher2.webdav.WebDavFile
+import io.ktor.client.HttpClient
+import io.ktor.client.call.body
+import io.ktor.client.plugins.contentnegotiation.ContentNegotiation
+import io.ktor.client.plugins.defaultRequest
+import io.ktor.client.request.basicAuth
+import io.ktor.client.request.delete
+import io.ktor.client.request.forms.submitForm
+import io.ktor.client.request.get
+import io.ktor.client.request.header
+import io.ktor.client.request.parameter
+import io.ktor.client.request.post
+import io.ktor.client.statement.bodyAsText
+import io.ktor.http.HttpHeaders
+import io.ktor.http.HttpStatusCode
+import io.ktor.http.parameters
+import io.ktor.http.path
+import io.ktor.http.takeFrom
+import io.ktor.serialization.kotlinx.json.json
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.withContext
 import kotlinx.serialization.SerializationException
-import kotlinx.serialization.json.decodeFromStream
-import okhttp3.Authenticator
-import okhttp3.Credentials
-import okhttp3.FormBody
-import okhttp3.OkHttpClient
-import okhttp3.Request
-import okhttp3.Response
-import okhttp3.Route
-import okhttp3.internal.EMPTY_REQUEST
-import org.json.JSONObject
 import java.io.File
 import java.io.IOException

@@ -31,18 +39,18 @@ class NextcloudApiHelper(val context: Context) {


    private val httpClient by lazy {
-        OkHttpClient.Builder()
-            .authenticator(object : Authenticator {
-                override fun authenticate(route: Route?, response: Response): Request? {
-                    if (response.priorResponse?.priorResponse != null) return null
-                    return response.request
-                        .newBuilder()
-                        .addHeader("Authorization", getAuthorization() ?: return null)
-                        .build()
+        HttpClient {
+            install(ContentNegotiation) {
+                json(Json.Lenient)
+            }
+            defaultRequest {
+                val user = getUserName()
+                val token = getToken()
+                if (user != null && token != null) {
+                    basicAuth(user, token)
+                }
+            }
        }
-
-            })
-            .build()
    }

    private val preferences by lazy {
@@ -81,26 +89,28 @@ class NextcloudApiHelper(val context: Context) {
     * and return the response. Returns null if an error occurs.
     */
    internal suspend fun startLoginFlow(serverUrl: String): LoginFlowResponse? {
-        val request = Request.Builder()
-            .url("$serverUrl/index.php/login/v2")
-            .method("POST", EMPTY_REQUEST)
-            .header("user-agent", context.getString(R.string.app_name))
-            .build()
        val response = try {
-            withContext(Dispatchers.IO) {
-                httpClient.newCall(request).execute()
+            httpClient.post {
+                url {
+                    takeFrom(serverUrl)
+                    path("index.php", "login", "v2")
+                }
+                header(HttpHeaders.UserAgent, context.getString(R.string.app_name))
            }
        } catch (e: IOException) {
            Log.e("NextcloudApiHelper", "HTTP error", e)
            null
        }
-        if (response?.code != 200 || response.body == null) {
-            Log.e("NextcloudApiHelper", "Invalid response: ${response?.code} ${response?.message}")
+        if (response?.status != HttpStatusCode.OK) {
+            Log.e(
+                "NextcloudApiHelper",
+                "Invalid response: ${response?.status} ${response?.bodyAsText()}"
+            )
            return null
        }

        return try {
-            Json.Lenient.decodeFromStream<LoginFlowResponse>(response.body!!.byteStream())
+            response.body<LoginFlowResponse>()
        } catch (e: SerializationException) {
            Log.e("NextcloudApiHelper", "Invalid response body", e)
            null
@@ -108,25 +118,27 @@ class NextcloudApiHelper(val context: Context) {
    }

    internal suspend fun pollLoginFlow(loginFlow: LoginFlowResponse): LoginPollResponse? {
-        val request = Request.Builder()
-            .url(loginFlow.poll.endpoint)
-            .method("POST", FormBody.Builder().add("token", loginFlow.poll.token).build())
-            .build()
        val response = try {
-            withContext(Dispatchers.IO) {
-                httpClient.newCall(request).execute()
+            httpClient.submitForm(
+                url = loginFlow.poll.endpoint,
+                formParameters = parameters {
+                    append("token", loginFlow.poll.token)
                }
+            )
        } catch (e: IOException) {
            Log.e("NextcloudApiHelper", "HTTP error", e)
            null
        }
-        if (response?.code != 200 || response.body == null) {
-            Log.e("NextcloudApiHelper", "Invalid response: ${response?.code} ${response?.message}")
+        if (response?.status != HttpStatusCode.OK) {
+            Log.e(
+                "NextcloudApiHelper",
+                "Invalid response: ${response?.status} ${response?.bodyAsText()}"
+            )
            return null
        }

        return try {
-            Json.Lenient.decodeFromStream<LoginPollResponse>(response.body!!.byteStream())
+            response.body<LoginPollResponse>()
        } catch (e: SerializationException) {
            Log.e("NextcloudApiHelper", "Invalid response body", e)
            null
@@ -164,28 +176,33 @@ class NextcloudApiHelper(val context: Context) {

        val server = getServer() ?: return null

-        val request = Request.Builder()
-            .addHeader("OCS-APIRequest", "true")
-            .url("$server/ocs/v1.php/cloud/user?format=json")
-            .build()
-
-        val response = runCatching {
-            withContext(Dispatchers.IO) {
-                httpClient.newCall(request).execute()
+        val response = try {
+            httpClient.get {
+                url {
+                    takeFrom(server)
+                    path("ocs", "v1.php", "cloud", "user")
+                    parameter("format", "json")
+                }
+                header("OCS-APIRequest", "true")
+            }
+        } catch (e: Exception) {
+            Log.e("NextcloudApiHelper", "HTTP error", e)
+            return getUserName()
        }
-        }.getOrNull() ?: return getUserName()

-        if (response.code != 200) {
+        if (response.status != HttpStatusCode.OK) {
            logout()
            return null
        }
-        val body = response.body ?: return getUserName()
+        val body = try {
+            response.body<UserReponse>()
+        } catch (e: SerializationException) {
+            Log.e("NextcloudApiHelper", "Invalid response body", e)
+            return getUserName()
+        }

        return withContext(Dispatchers.IO) {
-            val json = JSONObject(body.string())
-            val name = json.optJSONObject("ocs")
-                ?.optJSONObject("data")
-                ?.optString("display-name")
+            val name = body.ocs.data.displayName

            preferences.edit {
                putString("displayname", name)
@@ -196,10 +213,6 @@ class NextcloudApiHelper(val context: Context) {
        }
    }

-    private fun getAuthorization(): String? {
-        return Credentials.basic(getUserName() ?: return null, getToken() ?: return null)
-    }
-
    fun getServer(): String? {
        return preferences.getString("server", null)
    }
@@ -225,15 +238,15 @@ class NextcloudApiHelper(val context: Context) {
        val username = getUserName()
        val token = getToken()
        if (server == null || username == null || token == null) return
-        val request = Request.Builder()
-            .addHeader("OCS-APIREQUEST", "true")
-            .delete()
-            .url("$server/ocs/v2.php/core/apppassword")
-            .build()
        withContext(Dispatchers.IO) {
            try {
-                val response = httpClient.newCall(request).execute()
-                response
+                httpClient.delete {
+                    url {
+                        takeFrom(server)
+                        path("ocs", "v2.php", "core", "apppassword")
+                    }
+                    header("OCS-APIREQUEST", "true")
+                }
            } catch (e: IOException) {
                Log.e("NextcloudApiHelper", "Error during Nextcloud logout", e)
            }
--- a/libs/nextcloud/src/main/java/de/mm20/launcher2/nextcloud/Ocs.kt
+++ b/libs/nextcloud/src/main/java/de/mm20/launcher2/nextcloud/Ocs.kt
@@ -0,0 +1,20 @@
+package de.mm20.launcher2.nextcloud
+
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
+
+@Serializable
+internal data class UserReponse(
+    val ocs: UserReponseOcs
+)
+
+
+@Serializable
+internal data class UserReponseOcs(
+    val data: UserReponseOcsData
+)
+
+@Serializable
+internal data class UserReponseOcsData(
+    @SerialName("display-name") val displayName: String?,
+)
--- a/libs/owncloud/build.gradle.kts
+++ b/libs/owncloud/build.gradle.kts
@@ -54,11 +54,12 @@ dependencies {

    implementation(libs.bundles.androidx.lifecycle)

-    implementation(libs.okhttp)
+    implementation(libs.bundles.ktor)

    api(project(":libs:webdav"))
    implementation(project(":core:crashreporter"))
    implementation(project(":core:ktx"))
    implementation(project(":core:i18n"))
+    implementation(project(":core:base"))

 }
--- a/libs/owncloud/src/main/java/de/mm20/launcher2/owncloud/Ocs.kt
+++ b/libs/owncloud/src/main/java/de/mm20/launcher2/owncloud/Ocs.kt
@@ -0,0 +1,20 @@
+package de.mm20.launcher2.owncloud
+
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
+
+@Serializable
+internal data class UserReponse(
+    val ocs: UserReponseOcs
+)
+
+
+@Serializable
+internal data class UserReponseOcs(
+    val data: UserReponseOcsData
+)
+
+@Serializable
+internal data class UserReponseOcsData(
+    @SerialName("display-name") val displayName: String?,
+)
--- a/libs/owncloud/src/main/java/de/mm20/launcher2/owncloud/OwncloudClient.kt
+++ b/libs/owncloud/src/main/java/de/mm20/launcher2/owncloud/OwncloudClient.kt
@@ -8,13 +8,24 @@ import android.util.Log
 import androidx.core.content.edit
 import androidx.security.crypto.EncryptedSharedPreferences
 import androidx.security.crypto.MasterKey
-import androidx.security.crypto.MasterKeys
+import de.mm20.launcher2.crashreporter.CrashReporter
+import de.mm20.launcher2.serialization.Json
 import de.mm20.launcher2.webdav.WebDavApi
 import de.mm20.launcher2.webdav.WebDavFile
-import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.withContext
-import okhttp3.*
-import org.json.JSONObject
+import io.ktor.client.HttpClient
+import io.ktor.client.call.body
+import io.ktor.client.plugins.contentnegotiation.ContentNegotiation
+import io.ktor.client.plugins.defaultRequest
+import io.ktor.client.request.basicAuth
+import io.ktor.client.request.get
+import io.ktor.client.request.header
+import io.ktor.client.request.parameter
+import io.ktor.http.HttpStatusCode
+import io.ktor.http.appendPathSegments
+import io.ktor.http.path
+import io.ktor.http.takeFrom
+import io.ktor.serialization.kotlinx.json.json
+import kotlinx.serialization.SerializationException
 import java.io.File
 import java.io.IOException

@@ -22,18 +33,18 @@ class OwncloudClient(val context: Context) {


    private val httpClient by lazy {
-        OkHttpClient.Builder()
-                .authenticator(object : Authenticator {
-                    override fun authenticate(route: Route?, response: Response): Request? {
-                        if (response.priorResponse?.priorResponse != null) return null
-                        return response.request
-                                .newBuilder()
-                                .addHeader("Authorization", getAuthorization() ?: return null)
-                                .build()
+        HttpClient {
+            install(ContentNegotiation) {
+                json(Json.Lenient)
+            }
+            defaultRequest {
+                val user = getUserName()
+                val token = getToken()
+                if (user != null && token != null) {
+                    basicAuth(user, token)
+                }
+            }
        }
-
-                })
-                .build()
    }

    private val preferences by lazy {
@@ -42,7 +53,8 @@ class OwncloudClient(val context: Context) {

    private fun createPreferences(catchErrors: Boolean = true): SharedPreferences {
        try {
-            val masterKey = MasterKey.Builder(context).setKeyScheme(MasterKey.KeyScheme.AES256_GCM).build()
+            val masterKey =
+                MasterKey.Builder(context).setKeyScheme(MasterKey.KeyScheme.AES256_GCM).build()
            return EncryptedSharedPreferences.create(
                context,
                "owncloud",
@@ -71,34 +83,42 @@ class OwncloudClient(val context: Context) {
        if (!url.startsWith("http://") && !url.startsWith("https://")) {
            url = "https://$url"
        }
-        val request = Request.Builder()
-                .url("$url/remote.php/webdav")
-                .build()
-        val response = runCatching {
-            withContext(Dispatchers.IO) {
-                httpClient.newCall(request).execute()
-            }
-        }.getOrNull() ?: return false
-        return response.code == 200 || response.code == 401
-    }
-
-    internal suspend fun checkOwncloudCredentials(server: String, username: String, password: String): Boolean {
-        val request = Request.Builder()
-            .addHeader("authorization", Credentials.basic(username, password))
-            .url("$server/ocs/v1.php/cloud/user?format=json")
-            .build()

        val response = try {
-            withContext(Dispatchers.IO) {
-                httpClient.newCall(request).execute()
+            httpClient.get {
+                url {
+                    takeFrom(url)
+                    appendPathSegments("remote.php", "webdav")
+                }
+            }
+        } catch (e: Exception) {
+            return false
+        }
+
+        return response.status == HttpStatusCode.OK || response.status == HttpStatusCode.Unauthorized
+    }
+
+    internal suspend fun checkOwncloudCredentials(
+        server: String,
+        username: String,
+        password: String
+    ): Boolean {
+        val response = try {
+            httpClient.get {
+                url {
+                    takeFrom(server)
+                    path("ocs", "v1.php", "cloud", "user")
+                    parameter("format", "json")
+                }
+                basicAuth(username, password)
            }
        } catch (e: IOException) {
            Log.e("OwncloudClient", "HTTP error", e)
            return false
        }

-        if (response.code != 200) {
-            Log.e("OwncloudClient", "HTTP error: ${response.code}")
+        if (response.status != HttpStatusCode.OK) {
+            Log.e("OwncloudClient", "HTTP error: ${response.status}")
            return false
        }

@@ -134,36 +154,31 @@ class OwncloudClient(val context: Context) {
        }

        val server = getServer() ?: return null
-
-        val request = Request.Builder()
-                .addHeader("OCS-APIRequest", "true")
-                .url("$server/ocs/v1.php/cloud/user?format=json")
-                .build()
-
-        val response = runCatching {
-            withContext(Dispatchers.IO) {
-                httpClient.newCall(request).execute()
+        val response = try {
+            httpClient.get {
+                url {
+                    takeFrom(server)
+                    path("ocs", "v1.php", "cloud", "user")
+                    parameter("format", "json")
+                }
+                header("OCS-APIRequest", "true")
+            }
+        } catch (e: Exception) {
+            CrashReporter.logException(e)
+            return getUserName()
        }
-        }.getOrNull() ?: return getUserName()

-        if (response.code != 200) {
+        if (response.status != HttpStatusCode.OK) {
            logout()
            return null
        }
-        val body = response.body ?: return getUserName()
-
-        return withContext(Dispatchers.IO) {
-            val json = JSONObject(body.string())
-
-            return@withContext json.optJSONObject("ocs")
-                    ?.optJSONObject("data")
-                    ?.optString("display-name")
-                    ?: getUserName()
+        val body = try {
+            response.body<UserReponse>()
+        } catch (e: SerializationException) {
+            CrashReporter.logException(e)
+            return getUserName()
        }
-    }
-
-    private fun getAuthorization(): String? {
-        return Credentials.basic(getUserName() ?: return null, getToken() ?: return null)
+        return body.ocs.data.displayName ?: getUserName()
    }

    fun getServer(): String? {
--- a/libs/webdav/build.gradle.kts
+++ b/libs/webdav/build.gradle.kts
@@ -42,7 +42,7 @@ dependencies {
    implementation(libs.androidx.core)
    implementation(libs.androidx.appcompat)

-    implementation(libs.okhttp)
+    implementation(libs.bundles.ktor)

    implementation(project(":core:crashreporter"))
    implementation(project(":core:ktx"))
--- a/libs/webdav/src/main/java/de/mm20/launcher2/webdav/WebDavApi.kt
+++ b/libs/webdav/src/main/java/de/mm20/launcher2/webdav/WebDavApi.kt
@@ -1,25 +1,30 @@
 package de.mm20.launcher2.webdav

 import com.balsikandar.crashreporter.CrashReporter
-import de.mm20.launcher2.ktx.castToOrNull
 import de.mm20.launcher2.ktx.decodeUrl
+import io.ktor.client.HttpClient
+import io.ktor.client.request.request
+import io.ktor.client.request.setBody
+import io.ktor.client.request.url
+import io.ktor.client.statement.bodyAsChannel
+import io.ktor.http.ContentType
+import io.ktor.http.HttpMethod
+import io.ktor.http.appendPathSegments
+import io.ktor.http.contentType
+import io.ktor.http.takeFrom
+import io.ktor.utils.io.jvm.javaio.toInputStream
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.withContext
-import okhttp3.MediaType.Companion.toMediaType
-import okhttp3.OkHttpClient
-import okhttp3.Request
-import okhttp3.RequestBody.Companion.toRequestBody
 import org.w3c.dom.Element
-import org.xml.sax.SAXException
-import java.io.IOException
-import java.io.InputStream
-import java.lang.Exception
-import java.net.URLDecoder
 import javax.xml.parsers.DocumentBuilderFactory
-import javax.xml.parsers.ParserConfigurationException

 object WebDavApi {
-    suspend fun search(webDavUrl: String, username: String, query: String, client: OkHttpClient): List<WebDavFile> {
+    suspend fun search(
+        webDavUrl: String,
+        username: String,
+        query: String,
+        client: HttpClient
+    ): List<WebDavFile> {
        val requestBody = """
            <?xml version="1.0" encoding="UTF-8"?>
             <d:searchrequest xmlns:d="DAV:" xmlns:oc="http://owncloud.org/ns">
@@ -52,16 +57,17 @@ object WebDavApi {
                </d:basicsearch>
            </d:searchrequest>
        """.trimIndent()
-        val request = Request.Builder()
-                .url(webDavUrl)
-                .method("SEARCH", requestBody.toRequestBody("text/xml".toMediaType()))
-                .build()
        return withContext(Dispatchers.IO) {
            val results = mutableListOf<WebDavFile>()
            try {
-                val response = client.newCall(request).execute()
-                val document = DocumentBuilderFactory.newInstance().newDocumentBuilder().parse(response.body?.byteStream()
-                        ?: return@withContext emptyList<WebDavFile>())
+                val response = client.request {
+                    method = HttpMethod("SEARCH")
+                    url(webDavUrl)
+                    setBody(requestBody)
+                    contentType(ContentType.Text.Xml)
+                }
+                val document = DocumentBuilderFactory.newInstance().newDocumentBuilder()
+                    .parse(response.bodyAsChannel().toInputStream())
                val responses = document.getElementsByTagName("d:response")
                for (i in 0 until responses.length) {
                    val res = responses.item(i) as? Element ?: continue
@@ -131,18 +137,27 @@ object WebDavApi {
        """.trimIndent()
    }

-    suspend fun searchReport(webDavUrl: String, username: String, query: String, client: OkHttpClient): List<WebDavFile> {
+    suspend fun searchReport(
+        webDavUrl: String,
+        username: String,
+        query: String,
+        client: HttpClient
+    ): List<WebDavFile> {
        val requestBody = getSearchRequestBody(query)
-        val request = Request.Builder()
-                .url("${webDavUrl}files/$username")
-                .method("REPORT", requestBody.toRequestBody())
-                .build()
        return withContext(Dispatchers.IO) {
            val results = mutableListOf<WebDavFile>()
            try {
-                val response = client.newCall(request).execute()
-                val document = DocumentBuilderFactory.newInstance().newDocumentBuilder().parse(response.body?.byteStream()
-                        ?: return@withContext emptyList<WebDavFile>())
+                val response = client.request {
+                    method = HttpMethod("REPORT")
+                    url {
+                        takeFrom(webDavUrl)
+                        appendPathSegments("files", username)
+                    }
+                    setBody(requestBody)
+                    contentType(ContentType.Text.Xml)
+                }
+                val document = DocumentBuilderFactory.newInstance().newDocumentBuilder()
+                    .parse(response.bodyAsChannel().toInputStream())
                val responses = document.getElementsByTagName("d:response")
                for (i in 0 until responses.length) {
                    val res = responses.item(i) as? Element ?: continue
--- a/services/search/build.gradle.kts
+++ b/services/search/build.gradle.kts
@@ -47,7 +47,6 @@ dependencies {
    implementation(libs.koin.android)

    implementation(libs.jsoup)
-    implementation(libs.okhttp)
    implementation(libs.coil.core)

    implementation(project(":data:calculator"))