1 files changed, 151 insertions, 0 deletions
diff --git a/android/app/src/main/java/com/jopek/submittodatiinator/Requests.java b/android/app/src/main/java/com/jopek/submittodatiinator/Requests.java
new file mode 100644
index 0000000..fafc87d
--- /dev/null
+++ b/android/app/src/main/java/com/jopek/submittodatiinator/Requests.java
@@ -0,0 +1,151 @@
+package com.jopek.submittodatiinator;
+
+import android.annotation.SuppressLint;
+import android.content.Context;
+import android.database.Cursor;
+import android.net.Uri;
+import android.provider.OpenableColumns;
+import android.util.Log;
+
+import java.io.DataOutputStream;
+import java.io.File;
+import java.io.InputStream;
+import java.io.UnsupportedEncodingException;
+import java.net.HttpURLConnection;
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.net.URLEncoder;
+import java.nio.charset.StandardCharsets;
+import java.util.Random;
+
+public class Requests {
+    public static final String TAG = "REQUESTS";
+
+    static final String uploadServerUri = "https://jopek.eu/maks/submitto-dati-inator/upload.php";
+    private final static String lineEnd = "\r\n";
+    private final static String twoHyphens = "--";
+
+    public static ReturnValues uploadFile(Context context, Uri sourceFileUri) {
+        final String boundary = "------------------------" + getRandomString(16);
+        int serverResponseCode = 0;
+        HttpURLConnection conn = null;
+        DataOutputStream dos = null;
+        int bytesRead, bytesAvailable, bufferSize;
+        byte[] buffer;
+        int maxBufferSize = 1 * 1024 * 1024;
+        String filename = getFileName(context, sourceFileUri);
+//        File sourceFile = new File(sourceFileUri);
+
+//        if (!sourceFile.isFile()) {
+//            Log.e(TAG, "Source File not exist :" + sourceFileUri);
+//            return ReturnValues.NO_FILE;
+//        } else {
+            try {
+                // open a URL connection to the Servlet
+//                InputStream fileInputStream = new FileInputStream(sourceFile);
+                InputStream fileInputStream = context.getContentResolver().openInputStream(sourceFileUri);
+
+                URL url = new URL(uploadServerUri);
+
+                // Open a HTTP  connection to  the URL
+                conn = (HttpURLConnection) url.openConnection();
+                conn.setDoInput(true); // Allow Inputs
+                conn.setDoOutput(true); // Allow Outputs
+                conn.setUseCaches(false); // Don't use a Cached Copy
+                conn.setChunkedStreamingMode(2048);
+                conn.setRequestMethod("POST");
+                conn.setRequestProperty("Connection", "Keep-Alive");
+                conn.setRequestProperty("ENCTYPE", "multipart/form-data");
+                conn.setRequestProperty("Authorization", "Basic maks:<pass>");
+                conn.setRequestProperty("Content-Type", "multipart/form-data;boundary=" + boundary);
+
+                dos = new DataOutputStream(conn.getOutputStream());
+
+                dos.writeBytes(twoHyphens + boundary + lineEnd);
+                dos.writeBytes("Content-Disposition: form-data; name=" + filename + ";filename=" + filename + "" + lineEnd);
+                dos.writeBytes(lineEnd);
+
+                // create a buffer of  maximum size
+                bytesAvailable = fileInputStream.available();
+
+                bufferSize = Math.min(bytesAvailable, maxBufferSize);
+                buffer = new byte[bufferSize];
+
+                // read file and write it into form...
+                bytesRead = fileInputStream.read(buffer, 0, bufferSize);
+
+                while (bytesRead > 0) {
+                    dos.write(buffer, 0, bufferSize);
+                    bytesAvailable = fileInputStream.available();
+                    bufferSize = Math.min(bytesAvailable, maxBufferSize);
+                    bytesRead = fileInputStream.read(buffer, 0, bufferSize);
+                }
+
+                // send multipart form data necessary after file data...
+                dos.writeBytes(lineEnd);
+                dos.writeBytes(twoHyphens + boundary + twoHyphens + lineEnd);
+
+                // Responses from the server (code and message)
+                serverResponseCode = conn.getResponseCode();
+                String serverResponseMessage = conn.getResponseMessage();
+
+                Log.i(TAG, "HTTP Response is : " + serverResponseMessage + ": " + serverResponseCode);
+
+                //close the streams
+                fileInputStream.close();
+                dos.flush();
+                dos.close();
+                if (serverResponseCode != 200) return ReturnValues.SERVER_ERROR;
+            } catch (MalformedURLException e) {
+                e.printStackTrace();
+                Log.e(TAG, "error: " + e.getMessage(), e);
+                return ReturnValues.MALFORMED_URL;
+            } catch (Exception e) {
+                e.printStackTrace();
+                Log.e(TAG, "Exception : " + e.getMessage(), e);
+                return ReturnValues.SERVER_ERROR;
+            }
+            return ReturnValues.OK;
+//        }
+    }
+
+    public static String getRandomString(int length) {
+        int leftLimit = 48; // numeral '0'
+        int rightLimit = 122; // letter 'z'
+        Random random = new Random();
+
+        return random.ints(leftLimit, rightLimit + 1).filter(i -> (i <= 57 || i >= 65) && (i <= 90 || i >= 97)).limit(length).collect(StringBuilder::new, StringBuilder::appendCodePoint, StringBuilder::append).toString();
+    }
+
+    @SuppressLint("Range")
+    public static String getFileName(Context context, Uri uri) {
+        String result = null;
+        if (uri.getScheme().equals("content")) {
+            Cursor cursor = context.getContentResolver().query(uri, null, null, null, null);
+            try {
+                if (cursor != null && cursor.moveToFirst()) {
+                    result = cursor.getString(cursor.getColumnIndex(OpenableColumns.DISPLAY_NAME));
+                }
+            } finally {
+                cursor.close();
+            }
+        }
+        if (result == null) {
+            result = uri.getPath();
+            int cut = result.lastIndexOf('/');
+            if (cut != -1) {
+                result = result.substring(cut + 1);
+            }
+        }
+        try {
+            return URLEncoder.encode(result, String.valueOf(StandardCharsets.UTF_8));
+        } catch (UnsupportedEncodingException e) {
+            e.printStackTrace();
+        }
+        return result;
+    }
+
+    public enum ReturnValues {
+        OK, NO_FILE, MALFORMED_URL, SERVER_ERROR,
+    }
+}