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Merge pull request #50 from FormidableLabs/feature/allow-insecure-req…
…uests-v2 Allow insecure HTTP requests on Android
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128
android/src/main/java/com/reactlibrary/utils/UnsafeConnectionBuilder.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,128 @@ | ||
| package com.reactlibrary.utils; | ||
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| /* | ||
| * Copyright 2016 The AppAuth for Android Authors. All Rights Reserved. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except | ||
| * in compliance with the License. You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software distributed under the | ||
| * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either | ||
| * express or implied. See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
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| import android.annotation.SuppressLint; | ||
| import android.net.Uri; | ||
| import android.support.annotation.NonNull; | ||
| import android.support.annotation.Nullable; | ||
| import android.util.Log; | ||
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| import net.openid.appauth.Preconditions; | ||
| import net.openid.appauth.connectivity.ConnectionBuilder; | ||
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| import java.io.IOException; | ||
| import java.net.HttpURLConnection; | ||
| import java.net.URL; | ||
| import java.security.KeyManagementException; | ||
| import java.security.NoSuchAlgorithmException; | ||
| import java.security.cert.X509Certificate; | ||
| import java.util.concurrent.TimeUnit; | ||
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| import javax.net.ssl.HostnameVerifier; | ||
| import javax.net.ssl.HttpsURLConnection; | ||
| import javax.net.ssl.SSLContext; | ||
| import javax.net.ssl.SSLSession; | ||
| import javax.net.ssl.TrustManager; | ||
| import javax.net.ssl.X509TrustManager; | ||
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| /** | ||
| * An implementation of {@link ConnectionBuilder} that permits connecting to http | ||
| * links, and ignores certificates for https connections. *THIS SHOULD NOT BE USED IN PRODUCTION | ||
| * CODE*. It is intended to facilitate easier testing of AppAuth against development servers | ||
| * only. | ||
| */ | ||
| public final class UnsafeConnectionBuilder implements ConnectionBuilder { | ||
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| public static final UnsafeConnectionBuilder INSTANCE = new UnsafeConnectionBuilder(); | ||
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| private static final String TAG = "ConnBuilder"; | ||
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| private static final int CONNECTION_TIMEOUT_MS = (int) TimeUnit.SECONDS.toMillis(15); | ||
| private static final int READ_TIMEOUT_MS = (int) TimeUnit.SECONDS.toMillis(10); | ||
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| private static final String HTTP = "http"; | ||
| private static final String HTTPS = "https"; | ||
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| @SuppressLint("TrustAllX509TrustManager") | ||
| private static final TrustManager[] ANY_CERT_MANAGER = new TrustManager[] { | ||
| new X509TrustManager() { | ||
| public X509Certificate[] getAcceptedIssuers() { | ||
| return null; | ||
| } | ||
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| public void checkClientTrusted(X509Certificate[] certs, String authType) {} | ||
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| public void checkServerTrusted(X509Certificate[] certs, String authType) {} | ||
| } | ||
| }; | ||
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| @SuppressLint("BadHostnameVerifier") | ||
| private static final HostnameVerifier ANY_HOSTNAME_VERIFIER = new HostnameVerifier() { | ||
| public boolean verify(String hostname, SSLSession session) { | ||
| return true; | ||
| } | ||
| }; | ||
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| @Nullable | ||
| private static final SSLContext TRUSTING_CONTEXT; | ||
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| static { | ||
| SSLContext context; | ||
| try { | ||
| context = SSLContext.getInstance("SSL"); | ||
| } catch (NoSuchAlgorithmException e) { | ||
| Log.e("ConnBuilder", "Unable to acquire SSL context"); | ||
| context = null; | ||
| } | ||
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| SSLContext initializedContext = null; | ||
| if (context != null) { | ||
| try { | ||
| context.init(null, ANY_CERT_MANAGER, new java.security.SecureRandom()); | ||
| initializedContext = context; | ||
| } catch (KeyManagementException e) { | ||
| Log.e(TAG, "Failed to initialize trusting SSL context"); | ||
| } | ||
| } | ||
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| TRUSTING_CONTEXT = initializedContext; | ||
| } | ||
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| private UnsafeConnectionBuilder() { | ||
| // no need to construct new instances | ||
| } | ||
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| @NonNull | ||
| @Override | ||
| public HttpURLConnection openConnection(@NonNull Uri uri) throws IOException { | ||
| Preconditions.checkNotNull(uri, "url must not be null"); | ||
| Preconditions.checkArgument(HTTP.equals(uri.getScheme()) || HTTPS.equals(uri.getScheme()), | ||
| "scheme or uri must be http or https"); | ||
| HttpURLConnection conn = (HttpURLConnection) new URL(uri.toString()).openConnection(); | ||
| conn.setConnectTimeout(CONNECTION_TIMEOUT_MS); | ||
| conn.setReadTimeout(READ_TIMEOUT_MS); | ||
| conn.setInstanceFollowRedirects(false); | ||
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| if (conn instanceof HttpsURLConnection && TRUSTING_CONTEXT != null) { | ||
| HttpsURLConnection httpsConn = (HttpsURLConnection) conn; | ||
| httpsConn.setSSLSocketFactory(TRUSTING_CONTEXT.getSocketFactory()); | ||
| httpsConn.setHostnameVerifier(ANY_HOSTNAME_VERIFIER); | ||
| } | ||
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| return conn; | ||
| } | ||
| } |
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