diff --git a/src/main/java/lc/captchas/FontFunCaptcha.java b/src/main/java/lc/captchas/FontFunCaptcha.java index 18fe53d..1a716bd 100644 --- a/src/main/java/lc/captchas/FontFunCaptcha.java +++ b/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.Map; import java.util.List; +import java.util.Map; import lc.captchas.interfaces.Challenge; import lc.captchas.interfaces.ChallengeProvider; -import lc.misc.PngImageWriter; import lc.misc.HelperFunctions; +import lc.misc.PngImageWriter; public class FontFunCaptcha implements ChallengeProvider { @@ -58,7 +58,8 @@ public class FontFunCaptcha implements ChallengeProvider { return null; } - private byte[] fontFun(final int width, final int height, String captchaText, String level, String path) { + private byte[] fontFun( + 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(); @@ -87,7 +88,8 @@ public class FontFunCaptcha implements ChallengeProvider { final int width = size2D[0]; final int height = size2D[1]; String path = "./lib/fonts/"; - return new Challenge(fontFun(width, height, secret, "medium", path), "image/png", secret.toLowerCase()); + return new Challenge( + fontFun(width, height, secret, "medium", path), "image/png", secret.toLowerCase()); } public boolean checkAnswer(String secret, String answer) { diff --git a/src/main/java/lc/captchas/PoppingCharactersCaptcha.java b/src/main/java/lc/captchas/PoppingCharactersCaptcha.java index a8bc688..d4d37e7 100644 --- a/src/main/java/lc/captchas/PoppingCharactersCaptcha.java +++ b/src/main/java/lc/captchas/PoppingCharactersCaptcha.java @@ -1,26 +1,26 @@ package lc.captchas; -import java.awt.Font; -import java.awt.RenderingHints; import java.awt.Color; +import java.awt.Font; import java.awt.Graphics2D; +import java.awt.RenderingHints; 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.HelperFunctions; import lc.misc.GifSequenceWriter; +import lc.misc.HelperFunctions; public class PoppingCharactersCaptcha implements ChallengeProvider { - private int[] computeOffsets(final Font font, final int width, final int height, final String text) { + private int[] computeOffsets( + 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(); @@ -32,17 +32,20 @@ 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(final Font font, final int width, final int height, final Consumer f) { + private BufferedImage makeImage( + final Font font, final int width, final int height, final Consumer 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(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON); + graphics2D.setRenderingHint( + RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON); graphics2D.setFont(font); f.accept(graphics2D); graphics2D.dispose(); @@ -64,24 +67,38 @@ 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()).forEach(i -> { - final var color = Color.getHSBColor(HelperFunctions.randomNumber(0, 100)/100.0f, 0.6f, 1.0f); - final var nextImage = makeImage(font, width, height, (g) -> { - g.scale(scale, 1); - if (i > 0) { - final var prevI = (i - 1) % text.length(); - g.setColor(prevColor); - g.drawString(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(); - } - }); + IntStream.range(0, text.length()) + .forEach( + i -> { + final var color = + Color.getHSBColor(HelperFunctions.randomNumber(0, 100) / 100.0f, 0.6f, 1.0f); + final var nextImage = + makeImage( + font, + width, + height, + (g) -> { + g.scale(scale, 1); + if (i > 0) { + final var prevI = (i - 1) % text.length(); + g.setColor(prevColor); + g.drawString( + 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(); diff --git a/src/main/java/lc/captchas/ShadowTextCaptcha.java b/src/main/java/lc/captchas/ShadowTextCaptcha.java index 7fa3d18..2454969 100644 --- a/src/main/java/lc/captchas/ShadowTextCaptcha.java +++ b/src/main/java/lc/captchas/ShadowTextCaptcha.java @@ -1,20 +1,18 @@ 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.Map; import java.util.List; - -import lc.misc.HelperFunctions; -import lc.misc.PngImageWriter; +import java.util.Map; import lc.captchas.interfaces.Challenge; import lc.captchas.interfaces.ChallengeProvider; +import lc.misc.HelperFunctions; +import lc.misc.PngImageWriter; public class ShadowTextCaptcha implements ChallengeProvider { @@ -56,20 +54,24 @@ 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 scaleX = (stringWidth > width) ? width/((double) stringWidth) : 1d; + final var padding = (stringWidth > width) ? 0 : (width - stringWidth) / 2; + 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 = new ConvolveOp(new Kernel(kernelSize, kernelSize, makeKernel(kernelSize)), ConvolveOp.EDGE_NO_OP, null); + ConvolveOp op = + 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 { diff --git a/src/main/java/lc/captchas/interfaces/ChallengeProvider.java b/src/main/java/lc/captchas/interfaces/ChallengeProvider.java index f445a7d..b20578b 100644 --- a/src/main/java/lc/captchas/interfaces/ChallengeProvider.java +++ b/src/main/java/lc/captchas/interfaces/ChallengeProvider.java @@ -1,7 +1,7 @@ package lc.captchas.interfaces; -import java.util.Map; import java.util.List; +import java.util.Map; public interface ChallengeProvider { public String getId(); diff --git a/src/main/java/lc/misc/GifSequenceWriter.java b/src/main/java/lc/misc/GifSequenceWriter.java index 414e0f6..df1ecfb 100644 --- a/src/main/java/lc/misc/GifSequenceWriter.java +++ b/src/main/java/lc/misc/GifSequenceWriter.java @@ -3,12 +3,12 @@ package lc.misc; -import javax.imageio.*; -import javax.imageio.metadata.*; -import javax.imageio.stream.*; import java.awt.image.*; import java.io.*; import java.util.Iterator; +import javax.imageio.*; +import javax.imageio.metadata.*; +import javax.imageio.stream.*; public class GifSequenceWriter { protected ImageWriter gifWriter; diff --git a/src/main/java/lc/misc/PngImageWriter.java b/src/main/java/lc/misc/PngImageWriter.java index e13b783..83c9f57 100644 --- a/src/main/java/lc/misc/PngImageWriter.java +++ b/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; @@ -13,7 +13,6 @@ 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 { @@ -26,7 +25,8 @@ public class PngImageWriter { iw.hasNext(); ) { ImageWriter writer = iw.next(); ImageWriteParam writeParam = writer.getDefaultWriteParam(); - ImageTypeSpecifier typeSpecifier = ImageTypeSpecifier.createFromBufferedImageType(BufferedImage.TYPE_INT_RGB); + ImageTypeSpecifier typeSpecifier = + ImageTypeSpecifier.createFromBufferedImageType(BufferedImage.TYPE_INT_RGB); IIOMetadata metadata = writer.getDefaultImageMetadata(typeSpecifier, writeParam); if (metadata.isReadOnly() || !metadata.isStandardMetadataFormatSupported()) { continue; diff --git a/src/main/java/org/limium/picoserve/Server.java b/src/main/java/org/limium/picoserve/Server.java index 4f1683c..f2c3cd0 100644 --- a/src/main/java/org/limium/picoserve/Server.java +++ b/src/main/java/org/limium/picoserve/Server.java @@ -3,21 +3,21 @@ package org.limium.picoserve; -import java.net.InetSocketAddress; +import com.sun.net.httpserver.HttpExchange; +import com.sun.net.httpserver.HttpHandler; +import com.sun.net.httpserver.HttpServer; import java.io.IOException; -import java.util.List; -import java.util.Map; -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.InetSocketAddress; 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; +import java.util.Arrays; +import java.util.LinkedList; +import java.util.List; +import java.util.Map; +import java.util.Optional; +import java.util.concurrent.Executor; +import java.util.regex.Pattern; +import java.util.stream.Collectors; public final class Server { private final HttpServer server;