From 7fc249f709db1117bedc87c0396f20e6d477c97a Mon Sep 17 00:00:00 2001
From: Gouri Panda <gouripanda4@gmail.com>
Date: Mon, 2 Oct 2023 09:57:48 +0530
Subject: [PATCH] Authentication created for DWDS app

---
 .../core/data/remote/BasicAuthInterceptor.kt  | 42 +++++++++++++++++++
 .../core/di/modules/NetworkModule.kt          |  2 +
 2 files changed, 44 insertions(+)
 create mode 100644 core/src/main/java/org/kiwix/kiwixmobile/core/data/remote/BasicAuthInterceptor.kt

diff --git a/core/src/main/java/org/kiwix/kiwixmobile/core/data/remote/BasicAuthInterceptor.kt b/core/src/main/java/org/kiwix/kiwixmobile/core/data/remote/BasicAuthInterceptor.kt
new file mode 100644
index 000000000..55ef831dd
--- /dev/null
+++ b/core/src/main/java/org/kiwix/kiwixmobile/core/data/remote/BasicAuthInterceptor.kt
@@ -0,0 +1,42 @@
+/*
+ * Kiwix Android
+ * Copyright (c) 2023 Kiwix <android.kiwix.org>
+ * This program 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 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+package org.kiwix.kiwixmobile.core.data.remote
+
+import okhttp3.Interceptor
+import okhttp3.Request
+import okhttp3.Response
+import java.io.IOException
+
+class BasicAuthInterceptor : Interceptor {
+
+  @Throws(IOException::class)
+  override fun intercept(chain: Interceptor.Chain): Response {
+    val request: Request = chain.request()
+    val url = request.url.toString()
+    if (url.contains("dwds")) {
+      val userName = System.getenv("DWDS_HTTP_BASIC_ACCESS_AUTHENTICATION_USER_NAME") ?: ""
+      val password = System.getenv("DWDS_HTTP_BASIC_ACCESS_AUTHENTICATION_PASSWORD") ?: ""
+      val credentials = okhttp3.Credentials.basic(userName, password)
+      val authenticatedRequest: Request = request.newBuilder()
+        .header("Authorization", credentials).build()
+      return chain.proceed(authenticatedRequest)
+    }
+    return chain.proceed(request)
+  }
+}
diff --git a/core/src/main/java/org/kiwix/kiwixmobile/core/di/modules/NetworkModule.kt b/core/src/main/java/org/kiwix/kiwixmobile/core/di/modules/NetworkModule.kt
index 0e4cefa35..fda7e4d9b 100644
--- a/core/src/main/java/org/kiwix/kiwixmobile/core/di/modules/NetworkModule.kt
+++ b/core/src/main/java/org/kiwix/kiwixmobile/core/di/modules/NetworkModule.kt
@@ -24,6 +24,7 @@ import okhttp3.logging.HttpLoggingInterceptor
 import okhttp3.logging.HttpLoggingInterceptor.Level.BASIC
 import okhttp3.logging.HttpLoggingInterceptor.Level.NONE
 import org.kiwix.kiwixmobile.core.BuildConfig
+import org.kiwix.kiwixmobile.core.data.remote.BasicAuthInterceptor
 import org.kiwix.kiwixmobile.core.data.remote.KiwixService
 import org.kiwix.kiwixmobile.core.data.remote.KiwixService.ServiceCreator
 import org.kiwix.kiwixmobile.core.data.remote.UserAgentInterceptor
@@ -51,6 +52,7 @@ class NetworkModule {
         }
       )
       .addNetworkInterceptor(UserAgentInterceptor(USER_AGENT))
+      .addInterceptor(BasicAuthInterceptor())
       .build()
   }