From 39de35e09424c573670d4c56742c17a3bdbe8108 Mon Sep 17 00:00:00 2001
From: YuutaW <17158086+Trumeet@users.noreply.github.com>
Date: Thu, 28 Feb 2019 19:50:55 -0800
Subject: feat(app): implement Google Play App Licensing

Signed-off-by: YuutaW <17158086+Trumeet@users.noreply.github.com>
---
 .../java/moe/yuuta/gplicense/ResponseData.java     | 65 ++++++++++++++++++++++
 1 file changed, 65 insertions(+)
 create mode 100644 app/src/main/java/moe/yuuta/gplicense/ResponseData.java

(limited to 'app/src/main/java/moe/yuuta/gplicense/ResponseData.java')

diff --git a/app/src/main/java/moe/yuuta/gplicense/ResponseData.java b/app/src/main/java/moe/yuuta/gplicense/ResponseData.java
new file mode 100644
index 0000000..e588644
--- /dev/null
+++ b/app/src/main/java/moe/yuuta/gplicense/ResponseData.java
@@ -0,0 +1,65 @@
+package moe.yuuta.gplicense;
+
+import android.text.TextUtils;
+
+import java.util.regex.Pattern;
+
+/**
+ * ResponseData from licensing server.
+ */
+public class ResponseData {
+
+    public int responseCode;
+    public int nonce;
+    public String packageName;
+    public String versionCode;
+    public String userId;
+    public long timestamp;
+    /** Response-specific data. */
+    public String extra;
+
+    /**
+     * Parses response string into ResponseData.
+     *
+     * @param responseData response data string
+     * @throws IllegalArgumentException upon parsing error
+     * @return ResponseData object
+     */
+    public static ResponseData parse(String responseData) {
+        // Must parse out main response data and response-specific data.
+        int index = responseData.indexOf(':');
+        String mainData, extraData;
+        if (-1 == index) {
+            mainData = responseData;
+            extraData = "";
+        } else {
+            mainData = responseData.substring(0, index);
+            extraData = index >= responseData.length() ? "" : responseData.substring(index + 1);
+        }
+
+        String[] fields = TextUtils.split(mainData, Pattern.quote("|"));
+        if (fields.length < 6) {
+            throw new IllegalArgumentException("Wrong number of fields.");
+        }
+
+        ResponseData data = new ResponseData();
+        data.extra = extraData;
+        data.responseCode = Integer.parseInt(fields[0]);
+        data.nonce = Integer.parseInt(fields[1]);
+        data.packageName = fields[2];
+        data.versionCode = fields[3];
+        // Application-specific user identifier.
+        data.userId = fields[4];
+        data.timestamp = Long.parseLong(fields[5]);
+
+        return data;
+    }
+
+    @Override
+    public String toString() {
+        return TextUtils.join("|", new Object[] {
+                responseCode, nonce, packageName, versionCode,
+                userId, timestamp
+        });
+    }
+}
\ No newline at end of file
-- 
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