first commit

.gitignore

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+*.iml
+.gradle
+/local.properties
+/.idea/caches
+/.idea/libraries
+/.idea/modules.xml
+/.idea/workspace.xml
+/.idea/navEditor.xml
+/.idea/assetWizardSettings.xml
+.DS_Store
+/build
+/captures
+.externalNativeBuild
+.cxx
+.idea/vcs.xml
+.idea/

app/.gitignore

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+/build

app/build.gradle

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+apply plugin: 'com.android.application'
+
+apply plugin: 'kotlin-android'
+
+apply plugin: 'kotlin-android-extensions'
+
+android {
+    compileSdkVersion 28
+    buildToolsVersion "29.0.2"
+    defaultConfig {
+        applicationId "com.crinoid.socialloginhelper"
+        minSdkVersion 15
+        targetSdkVersion 28
+        versionCode 1
+        versionName "1.0"
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+    }
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+    }
+}
+
+dependencies {
+    implementation fileTree(dir: 'libs', include: ['*.jar'])
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
+    implementation 'androidx.appcompat:appcompat:1.1.0'
+    implementation 'androidx.core:core-ktx:1.1.0'
+    testImplementation 'junit:junit:4.12'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.0'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
+
+
+    implementation 'com.squareup.retrofit2:retrofit:2.4.0'
+    implementation 'com.google.code.gson:gson:2.8.6'
+    implementation 'com.squareup.retrofit2:converter-gson:2.3.0'
+    implementation 'com.squareup.okhttp3:logging-interceptor:3.9.1'
+}

app/proguard-rules.pro

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+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile

app/src/androidTest/java/com/crinoid/socialloginhelper/ExampleInstrumentedTest.kt

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+package com.crinoid.socialloginhelper
+
+import androidx.test.platform.app.InstrumentationRegistry
+import androidx.test.ext.junit.runners.AndroidJUnit4
+
+import org.junit.Test
+import org.junit.runner.RunWith
+
+import org.junit.Assert.*
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+@RunWith(AndroidJUnit4::class)
+class ExampleInstrumentedTest {
+    @Test
+    fun useAppContext() {
+        // Context of the app under test.
+        val appContext = InstrumentationRegistry.getInstrumentation().targetContext
+        assertEquals("com.crinoid.socialloginhelper", appContext.packageName)
+    }
+}

app/src/main/AndroidManifest.xml

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+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    package="com.crinoid.socialloginhelper">
+
+    <application
+        android:allowBackup="true"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/AppTheme"
+        tools:ignore="GoogleAppIndexingWarning">
+        <activity
+            android:name=".instagram.SampleLoginActivity"
+            android:screenOrientation="portrait">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+</manifest>

app/src/main/java/com/crinoid/retrofit/MyRetrofitApiInterface.kt

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+package com.crinoid.retrofit
+
+import com.crinoid.socialloginhelper.instagram.basicdisplay.AccessTokenRefreshResponseData
+import com.crinoid.socialloginhelper.instagram.basicdisplay.AccessTokenWithCodeResponseData
+import com.crinoid.socialloginhelper.instagram.basicdisplay.BDInstagramHelper
+import com.crinoid.socialloginhelper.instagram.basicdisplay.InstagramBDUserData
+import retrofit2.Call
+import retrofit2.http.*
+
+interface MyRetrofitApiInterface {
+
+    //Instagram Basic Display APIs
+    @GET(BDInstagramHelper.SELF_USER_API_END_POINT)
+    fun getSelfBDInstagramProfile(@Query("access_token") accessToken: String, @Query("fields") fields: String)
+            : Call<InstagramBDUserData>
+
+    @GET(BDInstagramHelper.REFRESH_ACCESS_TOKEN_API_END_POINT)
+    fun refreshIGBDAccessToken(
+        @Query("access_token") accessToken: String, @Query("client_secret") clientsecret: String, @Query(
+            "grant_type"
+        ) grantType: String
+    )
+            : Call<AccessTokenRefreshResponseData>
+
+    @GET(BDInstagramHelper.EXCHANGE_ACCESS_TOKEN_API_END_POINT)
+    fun exchangeIGBDAccessToken(
+        @Query("access_token") accessToken: String, @Query("client_secret") clientsecret: String, @Query(
+            "grant_type"
+        ) grantType: String
+    )
+            : Call<AccessTokenRefreshResponseData>
+
+    @FormUrlEncoded
+    @POST(BDInstagramHelper.GET_ACCESS_TOKEN_FROM_CODE_API_END_POINT)
+    fun getIGAccessTokenFromCode(
+        @Field("app_id") appId: String
+        , @Field("app_secret") appSecret: String
+        , @Field("grant_type") grantType: String
+        , @Field("redirect_uri") redirectUri: String
+        , @Field("code") code: String
+    ): Call<AccessTokenWithCodeResponseData>
+
+}

app/src/main/java/com/crinoid/socialloginhelper/instagram/AuthenticationDialog.java

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+package com.crinoid.socialloginhelper.instagram;
+
+import android.annotation.SuppressLint;
+import android.content.DialogInterface;
+import android.os.Build;
+import android.os.Bundle;
+import android.text.TextUtils;
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.webkit.CookieManager;
+import android.webkit.CookieSyncManager;
+import android.webkit.WebResourceRequest;
+import android.webkit.WebResourceResponse;
+import android.webkit.WebView;
+import android.webkit.WebViewClient;
+import android.widget.Toast;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.fragment.app.DialogFragment;
+
+import com.crinoid.pesopie.R;
+
+import java.io.UnsupportedEncodingException;
+import java.nio.charset.StandardCharsets;
+
+import static com.crinoid.pesopie.instagram.Globals.INSTAGRAM_REDIRECT_URL;
+
+@SuppressLint("ValidFragment")
+public class AuthenticationDialog extends DialogFragment {
+
+    private final String redirect_url;
+    private final String request_url;
+    private AuthenticationListener listener;
+
+    WebViewClient webViewClient = new WebViewClient() {
+
+        @Override
+        public boolean shouldOverrideUrlLoading(WebView view, String url) {
+            if (url.startsWith(redirect_url)) {
+                AuthenticationDialog.this.dismiss();
+                return true;
+            }
+            return false;
+        }
+
+        @Override
+        public void onPageFinished(WebView view, String url) {
+            super.onPageFinished(view, url);
+            try {
+                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
+
+                    url = java.net.URLDecoder.decode(url, StandardCharsets.UTF_8.name());
+
+                } else {
+                    url = java.net.URLDecoder.decode(url);
+
+                }
+            } catch (UnsupportedEncodingException e) {
+                e.printStackTrace();
+            }
+
+            if (url.contains("access_token=")) {
+                String access_token = url.split("access_token=")[1];
+                if (listener != null) {
+                    listener.onTokenReceived(access_token);
+                }
+            } else if (url.contains("?code=")) {
+//                Uri uri = Uri.parse(url);
+//                String accessCode = uri.getEncodedFragment();
+                String accessCode = url.split("\\?code=")[1].split("#")[0];
+                if (listener != null) {
+                    listener.onCodeReceived(accessCode);
+                }
+            }
+        }
+
+
+        @Override
+        public void onReceivedHttpError(WebView view, WebResourceRequest request, WebResourceResponse errorResponse) {
+            super.onReceivedHttpError(view, request, errorResponse);
+            if (listener != null) {
+                if (errorResponse != null) {
+                    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
+                        if (!TextUtils.isEmpty(errorResponse.getReasonPhrase())) {
+                            Toast.makeText(view.getContext(), errorResponse.getReasonPhrase(), Toast.LENGTH_SHORT).show();
+                        }
+                    } else {
+//                        Toast.makeText(view.getContext(),errorResponse.getReasonPhrase(),Toast.LENGTH_SHORT).show();
+                    }
+                }
+            }
+        }
+    };
+
+    public AuthenticationDialog(AuthenticationListener listener, String requestUrl, String languageCode) {
+        super();
+        this.listener = listener;
+        this.redirect_url = INSTAGRAM_REDIRECT_URL;//context.getResources().getString(R.string.redirect_url);
+        this.request_url = requestUrl;
+        Log.d("AuthenticationDialog", "AuthenticationDialog() = [" + request_url + "]");
+    }
+
+    @Override
+    public void onDetach() {
+        super.onDetach();
+        if (this.listener != null) {
+            listener.onComplete();
+        }
+    }
+
+
+    @Override
+    public void onCancel(@NonNull DialogInterface dialog) {
+        super.onCancel(dialog);
+        if (listener != null) {
+            listener.onError("Cancelled");
+        }
+    }
+
+    @Nullable
+    @Override
+    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
+        return inflater.inflate(R.layout.auth_dialog, container, false);
+
+    }
+
+    @SuppressLint("SetJavaScriptEnabled")
+    @Override
+    public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
+        super.onViewCreated(view, savedInstanceState);
+        WebView webView = view.findViewById(R.id.webView);
+        webView.getSettings().setJavaScriptEnabled(true);
+        webView.setWebViewClient(webViewClient);
+        webView.clearCache(true);
+        webView.getSettings().setAppCacheEnabled(false);
+        CookieSyncManager.createInstance(getContext());
+        CookieManager cookieManager = CookieManager.getInstance();
+        cookieManager.removeAllCookie();
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
+            cookieManager.flush();
+        }
+        webView.loadUrl(request_url);
+//        view.findViewById(R.id.iv_close_ad).setOnClickListener(new View.OnClickListener() {
+//            @Override
+//            public void onClick(View v) {
+//                dismiss();
+//                if (listener != null) {
+//                    listener.onError("Cancelled");
+//                }
+//            }
+//        });
+
+    }
+
+    public interface AuthenticationListener {
+        /**
+         * @deprecated use onCodeReceived instead
+         */
+        void onTokenReceived(String authToken);
+
+        void onCodeReceived(String code);
+
+        void onError(String error);
+
+        void onComplete();
+    }
+
+}

app/src/main/java/com/crinoid/socialloginhelper/instagram/Globals.java

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+package com.crinoid.socialloginhelper.instagram;
+
+public class Globals {
+    public static final String INSTAGRAM_REDIRECT_URL = "https://www.pesopie.com/";
+    public static final String INSTAGRAM_BASE_URL = "https://api.instagram.com/";
+    /**
+     * @deprecated using INSTAGRAM_APP_ID instead
+     */
+    public static final String INSTAGRAM_CLIENT_ID = "XXXXX";
+
+    //Basic display IG fields
+    public static final String INSTAGRAM_APP_ID = "XXXXXX";
+    public static final String INSTAGRAM_APP_SECRET = "XXXXX";
+    public static final String INSTAGRAM_USER_FIELDS = "id,username,account_type";
+    public static final String IGBD_GRANT_TYPE_EXCHANGE = "ig_exchange_token";
+    public static final String IGBD_GRANT_TYPE_REFRESH = "ig_refresh_token";
+    public static final String INSTAGRAM_LOGIN_SCOPES = "user_profile,user_media";
+}