Implement Nextcloud Login Flow (80f31bbc) · Commits · e / os / AccountManager

app/src/main/java/at/bitfire/davdroid/ui/setup/DefaultLoginCredentialsFragment.kt

+8 −0

Original line number	Diff line number	Diff line
		@@ -8,6 +8,7 @@

		package at.bitfire.davdroid.ui.setup

		import android.content.Intent
		import android.net.MailTo
		import android.os.Bundle
		import android.os.Handler
		@@ -145,4 +146,11 @@ class DefaultLoginCredentialsFragment: Fragment() {
		return valid
		}


		class Factory: ILoginCredentialsFragment {

		override fun getFragment(intent: Intent) = DefaultLoginCredentialsFragment()

		}

		}

app/src/main/java/at/bitfire/davdroid/ui/setup/ILoginCredentialsFragment.kt

0 → 100644

+18 −0

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		/*
		* Copyright © Ricki Hirner (bitfire web engineering).
		* All rights reserved. This program and the accompanying materials
		* are made available under the terms of the GNU Public License v3.0
		* which accompanies this distribution, and is available at
		* http://www.gnu.org/licenses/gpl.html
		*/

		package at.bitfire.davdroid.ui.setup

		import android.content.Intent
		import androidx.fragment.app.Fragment

		interface ILoginCredentialsFragment {

		fun getFragment(intent: Intent): Fragment?

		}
		No newline at end of file

app/src/main/java/at/bitfire/davdroid/ui/setup/LoginActivity.kt

+16 −4

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		@@ -12,8 +12,10 @@ import android.os.Bundle
		import android.view.Menu
		import android.view.MenuItem
		import androidx.appcompat.app.AppCompatActivity
		import androidx.fragment.app.Fragment
		import at.bitfire.davdroid.App
		import at.bitfire.davdroid.R
		import at.bitfire.davdroid.log.Logger
		import at.bitfire.davdroid.ui.UiUtils
		import java.util.*

		@@ -42,15 +44,25 @@ class LoginActivity: AppCompatActivity() {
		const val EXTRA_PASSWORD = "password"
		}

		private val loginFragmentLoader = ServiceLoader.load(ILoginCredentialsFragment::class.java)!!


		override fun onCreate(savedInstanceState: Bundle?) {
		super.onCreate(savedInstanceState)

		if (savedInstanceState == null)
		if (savedInstanceState == null) {
		// first call, add first login fragment
		var fragment: Fragment? = null
		for (factory in loginFragmentLoader)
		fragment = fragment ?: factory.getFragment(intent)

		if (fragment != null) {
		supportFragmentManager.beginTransaction()
		.replace(android.R.id.content, DefaultLoginCredentialsFragment())
		.replace(android.R.id.content, fragment)
		.commit()
		} else
		Logger.log.severe("Couldn't create LoginFragment")
		}
		}

		override fun onCreateOptionsMenu(menu: Menu): Boolean {

app/src/main/java/at/bitfire/davdroid/ui/setup/NextcloudLoginFlowFragment.kt

0 → 100644

+96 −0

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		package at.bitfire.davdroid.ui.setup

		import android.annotation.SuppressLint
		import android.content.Intent
		import android.os.Bundle
		import android.view.LayoutInflater
		import android.view.View
		import android.view.ViewGroup
		import android.webkit.CookieManager
		import android.webkit.WebView
		import android.webkit.WebViewClient
		import androidx.fragment.app.Fragment
		import androidx.lifecycle.ViewModelProviders
		import at.bitfire.davdroid.BuildConfig
		import at.bitfire.davdroid.log.Logger
		import at.bitfire.davdroid.model.Credentials
		import okhttp3.HttpUrl
		import java.util.logging.Level

		class NextcloudLoginFlowFragment: Fragment() {

		companion object {
		const val EXTRA_LOGIN_FLOW = "loginFlow"
		const val EXTRA_DAV_PATH = "davPath"
		}

		lateinit var loginModel: LoginModel

		@SuppressLint("SetJavaScriptEnabled")
		override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
		loginModel = ViewModelProviders.of(requireActivity()).get(LoginModel::class.java)

		val webView = WebView(requireActivity())
		webView.settings.apply {
		javaScriptEnabled = true
		userAgentString = BuildConfig.userAgent
		}
		webView.loadUrl(
		requireActivity().intent.data.toString(), // https://nextcloud.example.com/index.php/login/flow
		mapOf(Pair("OCS-APIREQUEST", "true"))
		)
		webView.webViewClient = object: WebViewClient() {
		override fun shouldOverrideUrlLoading(view: WebView, url: String) =
		if (url.startsWith("nc://login")) {
		onReceivedNcUrl(url)
		true
		} else {
		Logger.log.info("Didn't handle $url")
		false
		}
		}
		return webView
		}

		private fun onReceivedNcUrl(url: String) {
		val format = Regex("^nc://login/server:(.+)&user:(.+)&password:(.+)$")
		val match = format.find(url)
		if (match != null) {
		// determine DAV URL from root URL
		try {
		val serverUrl = HttpUrl.get(match.groupValues[1])
		val davPath = requireActivity().intent.getStringExtra(EXTRA_DAV_PATH)
		loginModel.baseURI = if (davPath != null)
		serverUrl.resolve(davPath)!!.uri()
		else
		serverUrl.uri()

		loginModel.credentials = Credentials(
		userName = match.groupValues[2],
		password = match.groupValues[3]
		)

		// continue to next fragment
		requireFragmentManager().beginTransaction()
		.replace(android.R.id.content, DetectConfigurationFragment(), null)
		.addToBackStack(null)
		.commit()
		} catch (e: IllegalArgumentException) {
		Logger.log.log(Level.SEVERE, "Couldn't parse server argument of nc URL: $url", e)
		}
		} else
		Logger.log.severe("Unknown format of nc URL: $url")
		}


		class Factory : ILoginCredentialsFragment {

		override fun getFragment(intent: Intent) =
		if (intent.hasExtra(EXTRA_LOGIN_FLOW))
		NextcloudLoginFlowFragment()
		else
		null

		}

		}
		No newline at end of file

app/src/main/resources/META-INF/services/at.bitfire.davdroid.ui.setup.ILoginCredentialsFragment

0 → 100644

+2 −0

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		at.bitfire.davdroid.ui.setup.NextcloudLoginFlowFragment$Factory
		at.bitfire.davdroid.ui.setup.DefaultLoginCredentialsFragment$Factory
		No newline at end of file