Add online (aka ReplayCenter) module

Add localization extra (formally known as LocalizedResourcePack)
Add version checker extra

src/main/java/com/replaymod/online/api/replay/FileUploader.java

@@ -0,0 +1,159 @@
+package com.replaymod.online.api.replay;
+
+import com.google.gson.Gson;
+import com.replaymod.online.api.ApiClient;
+import com.replaymod.online.api.replay.holders.ApiError;
+import com.replaymod.online.api.replay.holders.Category;
+import com.replaymod.online.gui.GuiUploadFile;
+import lombok.RequiredArgsConstructor;
+import net.minecraft.client.resources.I18n;
+
+import java.io.*;
+import java.net.HttpURLConnection;
+import java.net.URL;
+import java.net.URLEncoder;
+import java.util.List;
+
+@RequiredArgsConstructor
+public class FileUploader {
+    private static final Gson gson = new Gson();
+
+    private final ApiClient apiClient;
+
+    private boolean uploading = false;
+    private long filesize;
+    private long current;
+
+    private boolean cancel = false;
+
+    private GuiUploadFile parent;
+
+    public void uploadFile(GuiUploadFile gui, String filename, List<String> tags, File file, Category category, String description) {
+        boolean success = false;
+        String info = null;
+
+        try {
+            parent = gui;
+            gui.onStartUploading();
+            filesize = 0;
+
+            if(uploading) throw new RuntimeException("FileUploader is already uploading");
+            uploading = true;
+
+            String postData = "?auth=" + apiClient.getAuthKey() + "&category=" + category.getId();
+
+            if(tags.size() > 0) {
+                postData += "&tags=";
+                for(String tag : tags) {
+                    postData += tag;
+                    if(!tag.equals(tags.get(tags.size() - 1))) {
+                        postData += ",";
+                    }
+                }
+            }
+
+            if(description != null && description.length() > 0) {
+                postData += "&description=" + URLEncoder.encode(description, "UTF-8");
+            }
+
+            postData += "&name=" + URLEncoder.encode(filename, "UTF-8");
+
+            String url = ReplayModApiMethods.upload_file + postData;
+            HttpURLConnection con = (HttpURLConnection) new URL(url).openConnection();
+            con.setUseCaches(false);
+            con.setDoOutput(true);
+            con.setRequestMethod("POST");
+            con.setChunkedStreamingMode(1024);
+            con.setRequestProperty("Connection", "Keep-Alive");
+            con.setRequestProperty("Cache-Control", "no-cache");
+            String boundary = "*****";
+            con.setRequestProperty("Content-Type", "multipart/form-data;boundary=" + boundary);
+
+            DataOutputStream request = new DataOutputStream(con.getOutputStream());
+
+            String crlf = "\r\n";
+            String twoHyphens = "--";
+            request.writeBytes(twoHyphens + boundary + crlf);
+            String attachmentName = "file";
+            String attachmentFileName = "file.mcpr";
+            request.writeBytes("Content-Disposition: form-data; name=\"" + attachmentName + "\";filename=\"" + attachmentFileName + "\"" + crlf);
+            request.writeBytes(crlf);
+
+            byte[] buf = new byte[1024];
+            FileInputStream fis = new FileInputStream(file);
+            filesize = fis.getChannel().size();
+            current = 0;
+            int len;
+            while((len = fis.read(buf)) != -1) {
+                request.write(buf);
+                current += len;
+
+                parent.onProgressChanged(getUploadProgress());
+
+                if(cancel) {
+                    parent.onProgressChanged(0f);
+
+                    uploading = false;
+                    current = 0;
+                    cancel = false;
+                    parent.onFinishUploading(false, I18n.format("replaymod.gui.upload.canceled"));
+                    fis.close();
+                    return;
+                }
+            }
+            fis.close();
+
+            request.writeBytes(crlf);
+            request.writeBytes(twoHyphens + boundary + twoHyphens + crlf);
+
+            request.flush();
+            request.close();
+
+            success = false;
+            int responseCode = con.getResponseCode();
+            InputStream is;
+            if(responseCode == 200) {
+                success = true;
+                is = con.getInputStream();
+            } else {
+                success = false;
+                is = con.getErrorStream();
+            }
+
+            if(is != null) {
+                BufferedReader r = new BufferedReader(new InputStreamReader(is));
+                info = null;
+                String result = "";
+                while(r.ready()) {
+                    result += r.readLine();
+                }
+                if(responseCode != 200) {
+                    ApiError error = gson.fromJson(result, ApiError.class);
+                    info = error.getTranslatedDesc();
+                }
+            }
+            con.disconnect();
+
+            if(info == null) info = I18n.format("replaymod.gui.unknownerror");
+        } catch(Exception e) {
+            success = false;
+            e.printStackTrace();
+        } finally {
+            parent.onFinishUploading(success, info);
+            uploading = false;
+        }
+    }
+
+    public float getUploadProgress() {
+        if(!uploading || filesize == 0) return 0;
+        return (float) ((double) current / (double) filesize);
+    }
+
+    public boolean isUploading() {
+        return uploading;
+    }
+
+    public void cancelUploading() {
+        cancel = true;
+    }
+}