.git-blame-ignore-revs

@@ -1,5 +0,0 @@
-# Scala Steward: Reformat with sbt-java-formatter 0.8.0
-57ce691a00babb03e0cae03a26fe56d63fc609af
-
-# Scala Steward: Reformat with scalafmt 3.6.1
-f2b19baca828a4d88b46bc009aef6d7115e63924

.github/scala-steward.conf

@@ -1,3 +0,0 @@
-# If true, Scala Steward will sign off all commits (e.g. `git --signoff`).
-# Default: false
-signoffCommits = true

.github/workflows/ci.yml

@@ -16,7 +16,6 @@ jobs:
       uses: actions/setup-java@v1
       with:
         java-version: 1.11
-    - uses: sbt/setup-sbt@v1
     - name: Run tests
       run: sbt test assembly
     - name: Run linter

.github/workflows/docker-latest.yml

@@ -54,10 +54,6 @@ jobs:
           push: ${{ github.event_name != 'pull_request' }}
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
-          platforms: |
-            linux/amd64
-            linux/arm64
-            linux/arm/v7
 
       - name: Image digest
         run: echo ${{ steps.docker_build.outputs.digest }}

.scalafmt.conf

@@ -1,3 +1,3 @@
-version="3.8.3" 
+version="3.5.9" 
 maxColumn = 120
 runner.dialect = scala3

Dockerfile

@@ -1,10 +1,9 @@
-FROM eclipse-temurin:17-jre-jammy AS base-builder
+FROM adoptopenjdk/openjdk16:alpine AS base-builder
 ARG SBT_VERSION=1.7.1
+RUN apk add --no-cache bash
 ENV JAVA_HOME="/usr/lib/jvm/default-jvm/"
 ENV PATH=$PATH:${JAVA_HOME}/bin
 RUN \
-        apt update && \
-        apt install -y wget && \
 	wget -O sbt-$SBT_VERSION.tgz https://github.com/sbt/sbt/releases/download/v$SBT_VERSION/sbt-$SBT_VERSION.tgz && \
         tar -xzvf sbt-$SBT_VERSION.tgz && \
         rm sbt-$SBT_VERSION.tgz
@@ -23,15 +22,15 @@ FROM sbt-builder as builder
 COPY src/ src/
 RUN sbt assembly
 
-FROM eclipse-temurin:17-jre-jammy  AS base-core
+FROM adoptopenjdk/openjdk16:alpine-jre  AS base-core
 ENV JAVA_HOME="/usr/lib/jvm/default-jvm/"
-RUN apt update && apt install -y fonts-dejavu
+RUN apk add --update ttf-dejavu
 ENV PATH=$PATH:${JAVA_HOME}/bin
 
 
 FROM base-core
 WORKDIR /lc-core
-COPY --from=builder /build/target/scala-3.6.2/LibreCaptcha.jar .
+COPY --from=builder /build/target/scala-3.2.0/LibreCaptcha.jar .
 RUN mkdir data/
 
 EXPOSE 8888

README.md

@@ -47,18 +47,11 @@ docker-compose up
 Using `docker`:
 
 ```
-docker run -p=8888:8888 -v ./lcdata:/lc-core/data librecaptcha/lc-core:2.0
+docker run -v lcdata:/lc-core/data librecaptcha/lc-core:1.1.0-stable
 ```
 
 A default `config.json` is automatically created in the mounted volume.
 
-The above commands should work with `podman` as well, if docker.io registry is pre-configured. Otherwise,
-you can manually specify the repository like so:
-
-```
-podman run -p=8888:8888 -v ./lcdata:/lc-core/data docker.io/librecaptcha/lc-core:2.0
-```
-
 ## Quick test
 Open [localhost:8888/demo/index.html](http://localhost:8888/demo/index.html) in browser.
 

Runner.Dockerfile

@@ -1,12 +1,12 @@
-FROM eclipse-temurin:17-jre-jammy  AS base-core
+FROM adoptopenjdk/openjdk16:alpine-jre  AS base-core
 ENV JAVA_HOME="/usr/lib/jvm/default-jvm/"
-RUN apt update && apt install -y fonts-dejavu
+RUN apk add --update ttf-dejavu
 ENV PATH=$PATH:${JAVA_HOME}/bin
 
 
 FROM base-core
 RUN mkdir /lc-core
-COPY target/scala-3.6.2/LibreCaptcha.jar /lc-core
+COPY target/scala-3.2.0/LibreCaptcha.jar /lc-core
 WORKDIR /lc-core
 RUN mkdir data/
 

build.sbt

@@ -2,7 +2,7 @@ lazy val root = (project in file(".")).settings(
   inThisBuild(
     List(
       organization := "com.example",
-      scalaVersion := "3.6.2",
+      scalaVersion := "3.2.0",
       version := "0.2.1-snapshot",
       semanticdbEnabled := true,
       semanticdbVersion := scalafixSemanticdb.revision
@@ -12,9 +12,9 @@ lazy val root = (project in file(".")).settings(
     )
   ),
   name := "LibreCaptcha",
-  libraryDependencies += "com.sksamuel.scrimage" % "scrimage-core" % "4.3.0",
+  libraryDependencies += "com.sksamuel.scrimage" % "scrimage-core" % "4.0.32",
-  libraryDependencies += "com.sksamuel.scrimage" % "scrimage-filters" % "4.3.0",
+  libraryDependencies += "com.sksamuel.scrimage" % "scrimage-filters" % "4.0.32",
-  libraryDependencies += "org.json4s" %% "json4s-jackson" % "4.0.7"
+  libraryDependencies += "org.json4s" %% "json4s-jackson" % "4.0.5"
 )
 
 Compile / unmanagedResourceDirectories += { baseDirectory.value / "lib" }

project/build.properties

@@ -1 +1 @@
-sbt.version=1.10.6
+sbt.version=1.7.1

project/plugins.sbt

@@ -1,4 +1,4 @@
-addSbtPlugin("ch.epfl.scala" % "sbt-scalafix" % "0.13.0")
+addSbtPlugin("ch.epfl.scala" % "sbt-scalafix" % "0.10.1")
-addSbtPlugin("org.scalameta" % "sbt-scalafmt" % "2.5.2")
+addSbtPlugin("org.scalameta" % "sbt-scalafmt" % "2.4.6")
-addSbtPlugin("com.lightbend.sbt" % "sbt-java-formatter" % "0.8.0")
+addSbtPlugin("com.lightbend.sbt" % "sbt-java-formatter" % "0.7.0")
-addSbtPlugin("com.eed3si9n" % "sbt-assembly" % "2.3.0")
+addSbtPlugin("com.eed3si9n" % "sbt-assembly" % "1.2.0")

src/main/java/lc/captchas/FontFunCaptcha.java

@@ -5,12 +5,12 @@ import java.awt.image.BufferedImage;
 import java.io.ByteArrayOutputStream;
 import java.io.File;
 import java.io.FilenameFilter;
-import java.util.List;
 import java.util.Map;
+import java.util.List;
 import lc.captchas.interfaces.Challenge;
 import lc.captchas.interfaces.ChallengeProvider;
-import lc.misc.HelperFunctions;
 import lc.misc.PngImageWriter;
+import lc.misc.HelperFunctions;
 
 public class FontFunCaptcha implements ChallengeProvider {
 
@@ -58,8 +58,7 @@ public class FontFunCaptcha implements ChallengeProvider {
     return null;
   }
 
-  private byte[] fontFun(
+  private byte[] fontFun(final int width, final int height, String captchaText, String level, String path) {
-      final int width, final int height, String captchaText, String level, String path) {
     String[] colors = {"#f68787", "#f8a978", "#f1eb9a", "#a4f6a5"};
     BufferedImage img = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
     Graphics2D graphics2D = img.createGraphics();
@@ -88,8 +87,7 @@ public class FontFunCaptcha implements ChallengeProvider {
     final int width = size2D[0];
     final int height = size2D[1];
     String path = "./lib/fonts/";
-    return new Challenge(
+    return new Challenge(fontFun(width, height, secret, "medium", path), "image/png", secret.toLowerCase());
-        fontFun(width, height, secret, "medium", path), "image/png", secret.toLowerCase());
   }
 
   public boolean checkAnswer(String secret, String answer) {

src/main/java/lc/captchas/PoppingCharactersCaptcha.java

@@ -1,26 +1,26 @@
 package lc.captchas;
 
-import java.awt.Color;
 import java.awt.Font;
-import java.awt.Graphics2D;
 import java.awt.RenderingHints;
+import java.awt.Color;
+import java.awt.Graphics2D;
 import java.awt.image.BufferedImage;
-import java.io.ByteArrayOutputStream;
 import java.io.IOException;
-import java.util.List;
 import java.util.Map;
 import java.util.function.Consumer;
 import java.util.stream.IntStream;
+import java.util.List;
+
 import javax.imageio.stream.MemoryCacheImageOutputStream;
+import java.io.ByteArrayOutputStream;
 import lc.captchas.interfaces.Challenge;
 import lc.captchas.interfaces.ChallengeProvider;
-import lc.misc.GifSequenceWriter;
 import lc.misc.HelperFunctions;
+import lc.misc.GifSequenceWriter;
 
 public class PoppingCharactersCaptcha implements ChallengeProvider {
 
-  private int[] computeOffsets(
+  private int[] computeOffsets(final Font font, final int width, final int height, final String text) {
-      final Font font, final int width, final int height, final String text) {
     final var img = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
     final var graphics2D = img.createGraphics();
     final var frc = graphics2D.getFontRenderContext();
@@ -32,20 +32,17 @@ public class PoppingCharactersCaptcha implements ChallengeProvider {
       advances[i] = currX;
       currX += font.getStringBounds(String.valueOf(c), frc).getWidth();
       currX += spacing;
-    }
+    };
-    ;
     advances[text.length()] = currX;
     graphics2D.dispose();
     return advances;
   }
 
-  private BufferedImage makeImage(
+  private BufferedImage makeImage(final Font font, final int width, final int height, final Consumer<Graphics2D> f) {
-      final Font font, final int width, final int height, final Consumer<Graphics2D> f) {
     final var img = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
     final var graphics2D = img.createGraphics();
     graphics2D.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
-    graphics2D.setRenderingHint(
+    graphics2D.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
-        RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
     graphics2D.setFont(font);
     f.accept(graphics2D);
     graphics2D.dispose();
@@ -67,38 +64,24 @@ public class PoppingCharactersCaptcha implements ChallengeProvider {
       final var expectedWidth = advances[advances.length - 1];
       final var scale = width / (float) expectedWidth;
       final var prevColor = Color.getHSBColor(0f, 0f, 0.1f);
-      IntStream.range(0, text.length())
+      IntStream.range(0, text.length()).forEach(i -> {
-          .forEach(
+        final var color = Color.getHSBColor(HelperFunctions.randomNumber(0, 100)/100.0f, 0.6f, 1.0f);
-              i -> {
+        final var nextImage = makeImage(font, width, height, (g) -> {
-                final var color =
+          g.scale(scale, 1);
-                    Color.getHSBColor(HelperFunctions.randomNumber(0, 100) / 100.0f, 0.6f, 1.0f);
+          if (i > 0) {
-                final var nextImage =
+            final var prevI = (i - 1) % text.length();
-                    makeImage(
+            g.setColor(prevColor);
-                        font,
+            g.drawString(String.valueOf(text.charAt(prevI)), advances[prevI] + jitter(), fontHeight*1.1f + jitter());
-                        width,
+          }
-                        height,
+          g.setColor(color);
-                        (g) -> {
+          g.drawString(String.valueOf(text.charAt(i)), advances[i] + jitter(), fontHeight*1.1f + jitter());
-                          g.scale(scale, 1);
+        });
-                          if (i > 0) {
+        try {
-                            final var prevI = (i - 1) % text.length();
+          writer.writeToSequence(nextImage);
-                            g.setColor(prevColor);
+        } catch (final IOException e) {
-                            g.drawString(
+          e.printStackTrace();
-                                String.valueOf(text.charAt(prevI)),
+        }
-                                advances[prevI] + jitter(),
+      });
-                                fontHeight * 1.1f + jitter());
-                          }
-                          g.setColor(color);
-                          g.drawString(
-                              String.valueOf(text.charAt(i)),
-                              advances[i] + jitter(),
-                              fontHeight * 1.1f + jitter());
-                        });
-                try {
-                  writer.writeToSequence(nextImage);
-                } catch (final IOException e) {
-                  e.printStackTrace();
-                }
-              });
       writer.close();
       output.close();
       return byteArrayOutputStream.toByteArray();

src/main/java/lc/captchas/ShadowTextCaptcha.java

@@ -1,18 +1,20 @@
 package lc.captchas;
 
+import java.awt.Graphics2D;
+import java.awt.RenderingHints;
 import java.awt.Color;
 import java.awt.Font;
-import java.awt.Graphics2D;
 import java.awt.image.BufferedImage;
 import java.awt.image.ConvolveOp;
 import java.awt.image.Kernel;
 import java.io.ByteArrayOutputStream;
-import java.util.List;
 import java.util.Map;
-import lc.captchas.interfaces.Challenge;
+import java.util.List;
-import lc.captchas.interfaces.ChallengeProvider;
+
 import lc.misc.HelperFunctions;
 import lc.misc.PngImageWriter;
+import lc.captchas.interfaces.Challenge;
+import lc.captchas.interfaces.ChallengeProvider;
 
 public class ShadowTextCaptcha implements ChallengeProvider {
 
@@ -54,24 +56,20 @@ public class ShadowTextCaptcha implements ChallengeProvider {
     graphics2D.setPaint(Color.BLACK);
     graphics2D.setFont(font);
     final var stringWidth = graphics2D.getFontMetrics().stringWidth(text);
-    final var padding = (stringWidth > width) ? 0 : (width - stringWidth) / 2;
+    final var padding = (stringWidth > width) ? 0 : (width - stringWidth)/2;
-    final var scaleX = (stringWidth > width) ? width / ((double) stringWidth) : 1d;
+    final var scaleX = (stringWidth > width) ? width/((double) stringWidth) : 1d;
     graphics2D.scale(scaleX, 1d);
-    graphics2D.drawString(text, padding, fontHeight * 1.1f);
+    graphics2D.drawString(text, padding, fontHeight*1.1f);
     graphics2D.dispose();
     final int kernelSize = (int) Math.ceil((Math.min(width, height) / 50.0));
-    ConvolveOp op =
+    ConvolveOp op = new ConvolveOp(new Kernel(kernelSize, kernelSize, makeKernel(kernelSize)), ConvolveOp.EDGE_NO_OP, null);
-        new ConvolveOp(
-            new Kernel(kernelSize, kernelSize, makeKernel(kernelSize)),
-            ConvolveOp.EDGE_NO_OP,
-            null);
     BufferedImage img2 = op.filter(img, null);
     Graphics2D g2d = img2.createGraphics();
     HelperFunctions.setRenderingHints(g2d);
     g2d.setPaint(Color.WHITE);
     g2d.scale(scaleX, 1d);
     g2d.setFont(font);
-    g2d.drawString(text, padding - kernelSize, fontHeight * 1.1f);
+    g2d.drawString(text, padding-kernelSize, fontHeight*1.1f);
     g2d.dispose();
     ByteArrayOutputStream baos = new ByteArrayOutputStream();
     try {

src/main/java/lc/captchas/interfaces/ChallengeProvider.java

@@ -1,7 +1,7 @@
 package lc.captchas.interfaces;
 
-import java.util.List;
 import java.util.Map;
+import java.util.List;
 
 public interface ChallengeProvider {
   public String getId();

src/main/java/lc/misc/GifSequenceWriter.java

@@ -3,12 +3,12 @@
 
 package lc.misc;
 
-import java.awt.image.*;
-import java.io.*;
-import java.util.Iterator;
 import javax.imageio.*;
 import javax.imageio.metadata.*;
 import javax.imageio.stream.*;
+import java.awt.image.*;
+import java.io.*;
+import java.util.Iterator;
 
 public class GifSequenceWriter {
   protected ImageWriter gifWriter;

src/main/java/lc/misc/PngImageWriter.java

@@ -1,9 +1,9 @@
 package lc.misc;
 
-import java.awt.image.BufferedImage;
 import java.io.ByteArrayOutputStream;
 import java.io.IOException;
 import java.util.Iterator;
+
 import javax.imageio.IIOImage;
 import javax.imageio.ImageIO;
 import javax.imageio.ImageTypeSpecifier;
@@ -13,6 +13,7 @@ import javax.imageio.metadata.IIOInvalidTreeException;
 import javax.imageio.metadata.IIOMetadata;
 import javax.imageio.metadata.IIOMetadataNode;
 import javax.imageio.stream.ImageOutputStream;
+import java.awt.image.BufferedImage;
 
 public class PngImageWriter {
 
@@ -25,8 +26,7 @@ public class PngImageWriter {
         iw.hasNext(); ) {
       ImageWriter writer = iw.next();
       ImageWriteParam writeParam = writer.getDefaultWriteParam();
-      ImageTypeSpecifier typeSpecifier =
+      ImageTypeSpecifier typeSpecifier = ImageTypeSpecifier.createFromBufferedImageType(BufferedImage.TYPE_INT_RGB);
-          ImageTypeSpecifier.createFromBufferedImageType(BufferedImage.TYPE_INT_RGB);
       IIOMetadata metadata = writer.getDefaultImageMetadata(typeSpecifier, writeParam);
       if (metadata.isReadOnly() || !metadata.isStandardMetadataFormatSupported()) {
         continue;

src/main/java/org/limium/picoserve/Server.java

@@ -3,21 +3,21 @@
 
 package org.limium.picoserve;
 
-import com.sun.net.httpserver.HttpExchange;
-import com.sun.net.httpserver.HttpHandler;
-import com.sun.net.httpserver.HttpServer;
-import java.io.IOException;
 import java.net.InetSocketAddress;
-import java.net.URLDecoder;
+import java.io.IOException;
-import java.nio.charset.StandardCharsets;
-import java.util.Arrays;
-import java.util.LinkedList;
 import java.util.List;
 import java.util.Map;
-import java.util.Optional;
+import java.util.LinkedList;
 import java.util.concurrent.Executor;
 import java.util.regex.Pattern;
+import java.util.Arrays;
+import java.util.Optional;
 import java.util.stream.Collectors;
+import java.net.URLDecoder;
+import java.nio.charset.StandardCharsets;
+import com.sun.net.httpserver.HttpServer;
+import com.sun.net.httpserver.HttpHandler;
+import com.sun.net.httpserver.HttpExchange;
 
 public final class Server {
   private final HttpServer server;

tests/run.sh

@@ -4,7 +4,7 @@ python3 -m venv testEnv
 source ./testEnv/bin/activate
 pip install locust
 mkdir -p data/
-java -jar target/scala-3.6.2/LibreCaptcha.jar &
+java -jar target/scala-3.2.0/LibreCaptcha.jar &
 JAVA_PID=$!
 sleep 4
 
@@ -22,7 +22,7 @@ echo Run functional test
 cp data/config.json data/config.json.bak
 cp tests/debug-config.json data/config.json
 
-java -jar target/scala-3.6.2/LibreCaptcha.jar &
+java -jar target/scala-3.2.0/LibreCaptcha.jar &
 JAVA_PID=$!
 sleep 4