Buying games #3: Generate purchase receipts for all promoted products

Requires the "OUYA plain purchases" Xposed module on the OUYA to work,
otherwise the receipts cannot be decrypted

diff --git a/.gitignore b/.gitignore
index 91cab78db8d7b730b3df41fa7df4f3d7de152555..811b6effe02e8b4a6080843c17d4ddb95b1939dd 100644 (file)
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,7 @@
 /README.html
 www/api/v1/apps/
 www/api/v1/details-data/
+www/api/v1/developers/
 www/api/v1/discover-data/
 www/api/v1/discover.json
+www/api/v1/games/*/

diff --git a/bin/import-game-data.php b/bin/import-game-data.php
index 0ae5a4ee7ca3347b3bc319fd9a83f9f01ecdc986..cad1e47f009698c539e12ddb4d8ac0c8f5fc1333 100755 (executable)
--- a/bin/import-game-data.php
+++ b/bin/import-game-data.php
@@ -41,6 +41,7 @@ foreach (file($foldersFile) as $line) {
 
 $games = [];
 $count = 0;
+$developers = [];
 foreach ($gameFiles as $gameFile) {
     $game = json_decode(file_get_contents($gameFile));
     if ($game === null) {
@@ -53,6 +54,31 @@ foreach ($gameFiles as $gameFile) {
         'api/v1/details-data/' . $game->packageName . '.json',
         buildDetails($game)
     );
+
+    if (!isset($developers[$game->developer->uuid])) {
+        $developers[$game->developer->uuid] = [
+            'info'     => $game->developer,
+            'products' => [],
+        ];
+    }
+
+    $products = $game->products ?? [];
+    foreach ($products as $product) {
+        writeJson(
+            'api/v1/developers/' . $game->developer->uuid
+            . '/products/' . $product->identifier . '.json',
+            buildDeveloperProductOnly($product, $game->developer)
+        );
+        $developers[$game->developer->uuid]['products'][] = $product;
+    }
+
+    /**/
+    writeJson(
+        'api/v1/games/' . $game->packageName . '/purchases',
+        buildPurchases($game)
+    );
+    /**/
+
     /* this crashes babylonian twins
     writeJson(
         'api/v1/games/' . $game->packageName . '/purchases',
@@ -80,6 +106,15 @@ foreach ($gameFiles as $gameFile) {
     }
 }
 
+foreach ($developers as $developer) {
+    writeJson(
+        //index.htm does not need a rewrite rule
+        'api/v1/developers/' . $developer['info']->uuid
+        . '/products/index.htm',
+        buildDeveloperProducts($developer['products'], $developer['info'])
+    );
+}
+
 writeJson('api/v1/discover-data/discover.json', buildDiscover($games));
 writeJson('api/v1/discover-data/home.json', buildDiscoverHome($games));
 
@@ -213,16 +248,7 @@ function buildApps($game)
     $product      = null;
     $gamePromoted = getPromotedProduct($game);
     if ($gamePromoted) {
-        $product = [
-            'type'          => 'entitlement',
-            'identifier'    => $gamePromoted->identifier,
-            'name'          => $gamePromoted->name,
-            'description'   => $gamePromoted->description ?? '',
-            'localPrice'    => $gamePromoted->localPrice,
-            'originalPrice' => $gamePromoted->originalPrice,
-            'percentOff'    => 0,
-            'currency'      => $gamePromoted->currency,
-        ];
+        $product = buildProduct($gamePromoted);
     }
 
     // http://cweiske.de/ouya-store-api-docs.htm#get-https-devs-ouya-tv-api-v1-apps-xxx
@@ -279,6 +305,23 @@ function buildAppDownload($game, $release)
     ];
 }
 
+function buildProduct($product)
+{
+    if ($product === null) {
+        return null;
+    }
+    return [
+        'type'          => 'entitlement',
+        'identifier'    => $product->identifier,
+        'name'          => $product->name,
+        'description'   => $product->description ?? '',
+        'localPrice'    => $product->localPrice,
+        'originalPrice' => $product->originalPrice,
+        'percentOff'    => 0,
+        'currency'      => $product->currency,
+    ];
+}
+
 /**
  * Build /app/v1/details?app=org.example.game
  */
@@ -325,16 +368,7 @@ function buildDetails($game)
     $product      = null;
     $gamePromoted = getPromotedProduct($game);
     if ($gamePromoted) {
-        $product = [
-            'type'          => 'entitlement',
-            'identifier'    => $gamePromoted->identifier,
-            'name'          => $gamePromoted->name,
-            'description'   => $gamePromoted->description ?? '',
-            'localPrice'    => $gamePromoted->localPrice,
-            'originalPrice' => $gamePromoted->originalPrice,
-            'percentOff'    => 0,
-            'currency'      => $gamePromoted->currency,
-        ];
+        $product = buildProduct($gamePromoted);
     }
 
     // http://cweiske.de/ouya-store-api-docs.htm#get-https-devs-ouya-tv-api-v1-details
@@ -398,6 +432,71 @@ function buildDetails($game)
     ];
 }
 
+/**
+ * For /api/v1/developers/xxx/products/?only=yyy
+ */
+function buildDeveloperProductOnly($product, $developer)
+{
+    return [
+        'developerName' => $developer->name,
+        'currency'      => $product->currency,
+        'products'      => [
+            buildProduct($product),
+        ],
+    ];
+}
+
+/**
+ * For /api/v1/developers/xxx/products/
+ */
+function buildDeveloperProducts($products, $developer)
+{
+    $jsonProducts = [];
+    foreach ($products as $product) {
+        $jsonProducts[] = buildProduct($product);
+    }
+    return [
+        'developerName' => $developer->name,
+        'currency'      => $products[0]->currency ?? 'EUR',
+        'products'      => $jsonProducts,
+    ];
+}
+
+function buildPurchases($game)
+{
+    $purchasesData = [
+        'purchases' => [],
+    ];
+    $promotedProduct = getPromotedProduct($game);
+    if ($promotedProduct) {
+        $purchasesData['purchases'][] = [
+            'purchaseDate' => time() * 1000,
+            'generateDate' => time() * 1000,
+            'identifier'   => $promotedProduct->identifier,
+            'gamer'        => 'stouyapi',
+            'uuid'         => '00702342-0000-1111-2222-c3e1500cafe2',//gamer uuid
+            'priceInCents' => $promotedProduct->originalPrice * 100,
+            'localPrice'   => $promotedProduct->localPrice,
+            'currency'     => $promotedProduct->currency,
+        ];
+    }
+
+    $encryptedOnce  = dummyEncrypt($purchasesData);
+    $encryptedTwice = dummyEncrypt($encryptedOnce);
+    return $encryptedTwice;
+}
+
+function dummyEncrypt($data)
+{
+    return [
+        'key'  => base64_encode('0123456789abcdef') . "\n",
+        'iv'   => 't3jir1LHpICunvhlM76edQ==' . "\n",//random bytes
+        'blob' => base64_encode(
+            json_encode($data, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES)
+        ) . "\n",
+    ];
+}
+
 function addChunkedDiscoverRows(&$data, $games, $title)
 {
     $chunks = array_chunk($games, 4);
@@ -491,6 +590,7 @@ function buildDiscoverGameTile($game)
             'count' => $game->rating->count,
             'average' => $game->rating->average,
         ],
+        'promotedProduct' => buildProduct(getPromotedProduct($game)),
     ];
 }
 

diff --git a/www/.htaccess b/www/.htaccess
index 8a4bbaf27fabb5e3f1e67c66e98b46f6aac28d70..ba3ec53f374e83e22237b7491d7b66b9b3c0417e 100644 (file)
--- a/www/.htaccess
+++ b/www/.htaccess
@@ -11,8 +11,16 @@ RewriteRule ^api/v1/details /api/v1/details-dummy/404? [END]
 RewriteRule ^api/v1/apps/(.*)/download$ /api/v1/apps/$1-download.json? [END]
 RewriteRule ^api/v1/apps/(.*)$ /api/v1/apps/$1.json? [END]
 
+#rewrite developer products "only" GET parameter
+RewriteCond %{QUERY_STRING} &only=([^&]+)
+RewriteRule ^api/v1/developers/(.+)/products/ /api/v1/developers/$1/products/%1.json? [END]
+
 RewriteRule ^api/v1/discover/?$ /api/v1/discover-data/discover.json [END]
 RewriteRule ^api/v1/discover/(.+)$ /api/v1/discover-data/$1.json [END]
 
+#purchased games/products
+RewriteCond %{REQUEST_FILENAME} !-f
+RewriteRule ^api/v1/games/(.+)/purchases?$ /api/v1/games/purchases-empty.json [END]
+
 #this one wants a 204 status code
 RewriteRule ^api/v1/status$ - [R=204,L]

diff --git a/www/api/v1/games/purchases-empty.json b/www/api/v1/games/purchases-empty.json
new file mode 100644 (file)
index 0000000..f1bd72e
--- /dev/null
+++ b/www/api/v1/games/purchases-empty.json
@@ -0,0 +1,6 @@
+{
+    "encryptedReceipt": "{\"key\": \"MDEyMzQ1Njc4OWFiY2RlZg==\", \"iv\": \"t3jir1LHpICunvhlM76edQ==\n\", \"blob\": \"ewogICAgInB1cmNoYXNlcyI6IFsKICAgIF0KfQo=\n\"}",
+    "key": "MDEyMzQ1Njc4OWFiY2RlZg==\n",
+    "iv": "t3jir1LHpICunvhlM76edQ==\n",
+    "blob": "ewogICAgImtleSI6ICJDcVJFbGxuaVIyQ1pzVGRxR2xTSHErYjFuL2x1ZERDUFY4QUFhUjNhRjR2\nYThsY2tJUk9Oc3ZRbW5kSlNcbmljY2IvVWVZSFhRT2YybzA2L29SOHJHSnZyQWY1OThLN2E3UVFT\nU1kxdTZCdGQ4b3Avbk96Q24rRjdRNVxuNHRxdTdxdmxWUnJJTURJUXRtcy9TZlFURTJYRXlLdkVR\nVm0yTi9QaGJkalhtWG1nSkhVPVxuIiwKICAgICJpdiI6ICJ0M2ppcjFMSHBJQ3VudmhsTTc2ZWRR\nPT1cbiIsCiAgICAiYmxvYiI6ICJld29nSUNBZ0luQjFjbU5vWVhObGN5STZJRnNLSUNBZ0lGMEtm\nUW89XG4iCn0K\n"
+}