Handle requests with // at the beginning
[louyapi.git] / src / main / java / de / cweiske / ouya / louyapi / HttpServer.java
index 84e9cddfcc847f532257f3657acf52228e71ac29..5375784c9c96baab85b0cf480ca2ed01517bd65d 100644 (file)
 package de.cweiske.ouya.louyapi;
 
+import static de.cweiske.ouya.louyapi.HttpService.TAG;
+
+import android.content.res.AssetManager;
+import android.util.Log;
+
+import java.io.IOException;
+import java.io.InputStream;
+
 import fi.iki.elonen.NanoHTTPD;
 
 public class HttpServer extends NanoHTTPD {
 
-    public HttpServer(int port) {
+    private final AssetManager assetManager;
+    protected String prefix = "stouyapi-www";
+
+    public HttpServer(int port, AssetManager assetManager) {
         super(port);
+        this.assetManager = assetManager;
     }
 
-    @Override
+    /**
+     * This is basically a re-implementation of the stouyapi .htaccess file
+     *
+     * @param session The HTTP session
+     * @return HTTP response
+     */
     public Response serve(IHTTPSession session) {
-        return newFixedLengthResponse(Response.Status.OK, "text/plain", "hello");
+        String path = session.getUri();
+        Log.d(TAG, "serve: " + path);
+        //this happens with "//agreements/marketplace.html". remove double slash.
+        if (path.startsWith("//")) {
+            path = path.substring(1);
+        }
+
+        InputStream content;
+
+        if (path.equals("/api/v1/status") || path.equals("/generate_204")) {
+            //usage: check if internet connection is working
+            return newFixedLengthResponse(Response.Status.NO_CONTENT, null, "");
+
+        } else if (path.equals("/api/v1/details") && session.getParameters().containsKey("app")) {
+            //usage: detail page for installed games
+            if (null != (content = loadFileContent("/api/v1/details-data/" + session.getParameters().get("app").get(0) + ".json"))) {
+                return newFixedLengthResponse(Response.Status.OK, "application/json", content);
+            } else {
+                content = loadFileContent("/api/v1/details-dummy/error-unknown-app-details.json");
+                return newFixedLengthResponse(Response.Status.OK, "application/json", content);
+            }
+
+        } else if (path.startsWith("/api/v1/apps/") && path.endsWith("/download")) {
+            String appid = path.substring(13, path.length() - 9);
+            if (null != (content = loadFileContent("/api/v1/apps/" + appid + "-download.json"))) {
+
+                return newFixedLengthResponse(Response.Status.OK, "application/json", content);
+            }
+
+        } else if (path.startsWith("/api/v1/apps/")) {
+            String appid = path.substring(13);
+            if (null != (content = loadFileContent("/api/v1/apps/" + appid + ".json"))) {
+                return newFixedLengthResponse(Response.Status.OK, "application/json", content);
+            }
+
+        } else if (path.startsWith("/api/v1/developers") && path.endsWith("/products/") && session.getParameters().containsKey("only")) {
+            //usage: product details for a single product
+            if (null != (content = loadFileContent(path + session.getParameters().get("only").get(0) + ".json"))) {
+                return newFixedLengthResponse(Response.Status.OK, "application/json", content);
+            }
+
+        } else if (path.equals("/api/v1/discover")) {
+            //usage: main store page
+            if (null != (content = loadFileContent("/api/v1/discover-data/discover.json"))) {
+                return newFixedLengthResponse(Response.Status.OK, "application/json", content);
+            }
+
+        } else if (path.startsWith("/api/v1/discover/")) {
+            //usage: store category
+            if (null != (content = loadFileContent("/api/v1/discover-data/" + path.substring(17) + ".json"))) {
+                return newFixedLengthResponse(Response.Status.OK, "application/json", content);
+            }
+
+        } else if (path.equals("/api/v1/gamers")) {
+            //usage: register a user
+            if (null != (content = loadFileContent("/api/v1/gamers/register-error.json"))) {
+                return newFixedLengthResponse(Response.Status.BAD_REQUEST, "application/json", content);
+            }
+
+        } else if (path.equals("/api/v1/gamers/me")) {
+            //usage: fetch user data
+            if (null != (content = loadFileContent("/api/v1/gamers/me.json"))) {
+                return newFixedLengthResponse(Response.Status.OK, "application/json", content);
+            }
+
+        } else if (path.equals("/api/v1/search") && session.getParameters().containsKey("q")) {
+            //usage: search for games
+            String query = session.getParameters().get("q").get(0);
+            if (null != (content = loadFileContent("/api/v1/search-data/" + query.charAt(0) + ".json"))) {
+                return newFixedLengthResponse(Response.Status.OK, "application/json", content);
+            }
+
+        } else if (!path.endsWith("/") && null != (content = loadFileContent(path))) {
+            //try if the path exists in the assets/stouyapi-www/ dir
+            return newFixedLengthResponse(Response.Status.OK, mimeTypeFromPath(path), content);
+
+        } else if (null != (content = loadFileContent(path.replaceAll("/$", "") + "/index.htm"))) {
+            //usage: /api/v1/developers/*/products
+            return newFixedLengthResponse(Response.Status.OK, "text/html", content);
+
+        } else if (!path.endsWith("/") && null != (content = loadAssetsFileContent(path))) {
+            //try if the path exists in the assets/ dir (without stouyapi-www)
+            return newFixedLengthResponse(Response.Status.OK, mimeTypeFromPath(path), content);
+
+        } else if (null != (content = loadAssetsFileContent(path.replaceAll("/$", "") + "/index.htm"))) {
+            //try if the path + index.htm exists in the assets/ dir (without stouyapi-www)
+            return newFixedLengthResponse(Response.Status.OK, "text/html", content);
+
+        } else if (path.startsWith("/api/v1/games/") && path.endsWith("/purchases")) {
+            //usage: purchases for non-existing game
+            if (null != (content = loadFileContent("/api/v1/games/purchases-empty.json"))) {
+                return newFixedLengthResponse(Response.Status.OK, "application/json", content);
+            }
+        }
+
+        return newFixedLengthResponse(Response.Status.NOT_FOUND, "text/plain", "File not found");
+    }
+
+    /**
+     * Automatically determine the length of the input stream
+     */
+    protected Response newFixedLengthResponse(Response.IStatus status, String mimeType, InputStream data) {
+        int length = 0;
+        try {
+            length = streamLength(data);
+            data.reset();
+        } catch (IOException e) {
+            Log.e(TAG, e.getMessage());
+            return newFixedLengthResponse(
+                Response.Status.INTERNAL_ERROR, "text/plain",
+                "Error: " + e.getMessage()
+            );
+        }
+        return newFixedLengthResponse(status, mimeType, data, length);
+    }
+
+    protected InputStream loadFileContent(String path)
+    {
+        return loadAssetsFileContent(prefix + path);
+    }
+
+    protected InputStream loadAssetsFileContent(String path)
+    {
+        path = path.replaceAll("^/", "");
+        try {
+            Log.d(TAG, "loadFileContent: " + path);
+            return assetManager.open(path, AssetManager.ACCESS_BUFFER);
+        } catch (IOException e) {
+            //file does not exist
+            Log.d(TAG, "loadFileContent: fail");
+            return null;
+        }
+    }
+
+    protected static int streamLength(InputStream inputStream) throws IOException {
+        byte[] buffer = new byte[4096];
+        int chunkBytesRead = 0;
+        int length = 0;
+        while((chunkBytesRead = inputStream.read(buffer)) != -1) {
+            length += chunkBytesRead;
+        }
+        return length;
+    }
+
+    protected String mimeTypeFromPath(String path) {
+        if (path.endsWith(".htm")) {
+            return "text/html";
+        } else if (path.endsWith(".ico")) {
+            return "image/vnd.microsoft.icon";
+        } else if (path.endsWith(".jpg")) {
+            return "image/jpeg";
+        } else if (path.endsWith(".png")) {
+            return "image/png";
+        }
+        return "text/plain";
+    }
+
+    protected boolean isBinary(String path) {
+        return path.endsWith(".ico")
+            || path.endsWith(".jpg")
+            || path.endsWith(".png");
     }
 }