X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fnet%2Fpterodactylus%2Fsone%2Ftext%2FFreenetLinkParser.java;h=fe602c6f9c962a075f02fe892c75c8417621dc9c;hb=169711a171fc44506ef3e41efcc17331c1791e8f;hp=4751ed537782771de0e5a6e31b06fd7e9691bbbb;hpb=6f6f3625d46179c3b4ab04cb3bd151d45e4546d5;p=Sone.git

diff --git a/src/main/java/net/pterodactylus/sone/text/FreenetLinkParser.java b/src/main/java/net/pterodactylus/sone/text/FreenetLinkParser.java
index 4751ed5..fe602c6 100644
--- a/src/main/java/net/pterodactylus/sone/text/FreenetLinkParser.java
+++ b/src/main/java/net/pterodactylus/sone/text/FreenetLinkParser.java
@@ -21,6 +21,7 @@ import java.io.BufferedReader;
 import java.io.IOException;
 import java.io.Reader;
 import java.io.StringReader;
+import java.net.MalformedURLException;
 import java.util.logging.Level;
 import java.util.logging.Logger;
 import java.util.regex.Matcher;
@@ -28,13 +29,14 @@ import java.util.regex.Pattern;
 
 import net.pterodactylus.util.logging.Logging;
 import net.pterodactylus.util.template.TemplateFactory;
+import freenet.keys.FreenetURI;
 
 /**
  * {@link Parser} implementation that can recognize Freenet URIs.
  *
  * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
  */
-public class FreenetLinkParser implements Parser {
+public class FreenetLinkParser implements Parser<FreenetLinkParserContext> {
 
 	/** The logger. */
 	private static final Logger logger = Logging.getLogger(FreenetLinkParser.class);
@@ -59,7 +61,13 @@ public class FreenetLinkParser implements Parser {
 		SSK,
 
 		/** Link is a USK. */
-		USK
+		USK,
+
+		/** Link is HTTP. */
+		HTTP,
+
+		/** Link is HTTPS. */
+		HTTPS;
 
 	}
 
@@ -84,7 +92,7 @@ public class FreenetLinkParser implements Parser {
 	 * {@inheritDoc}
 	 */
 	@Override
-	public Part parse(Reader source) throws IOException {
+	public Part parse(FreenetLinkParserContext context, Reader source) throws IOException {
 		PartContainer parts = new PartContainer();
 		BufferedReader bufferedReader = (source instanceof BufferedReader) ? (BufferedReader) source : new BufferedReader(source);
 		String line;
@@ -95,7 +103,9 @@ public class FreenetLinkParser implements Parser {
 				int nextChk = line.indexOf("CHK@");
 				int nextSsk = line.indexOf("SSK@");
 				int nextUsk = line.indexOf("USK@");
-				if ((nextKsk == -1) && (nextChk == -1) && (nextSsk == -1) && (nextUsk == -1)) {
+				int nextHttp = line.indexOf("http://");
+				int nextHttps = line.indexOf("https://");
+				if ((nextKsk == -1) && (nextChk == -1) && (nextSsk == -1) && (nextUsk == -1) && (nextHttp == -1) && (nextHttps == -1)) {
 					parts.add(createPlainTextPart(line));
 					break;
 				}
@@ -117,6 +127,14 @@ public class FreenetLinkParser implements Parser {
 					next = nextUsk;
 					linkType = LinkType.USK;
 				}
+				if ((nextHttp > -1) && (nextHttp < next)) {
+					next = nextHttp;
+					linkType = LinkType.HTTP;
+				}
+				if ((nextHttps > -1) && (nextHttps < next)) {
+					next = nextHttps;
+					linkType = LinkType.HTTPS;
+				}
 				if ((next >= 8) && (line.substring(next - 8, next).equals("freenet:"))) {
 					next -= 8;
 					line = line.substring(0, next) + line.substring(next + 8);
@@ -129,10 +147,56 @@ public class FreenetLinkParser implements Parser {
 					String name = link;
 					logger.log(Level.FINER, "Found link: %s", link);
 					logger.log(Level.FINEST, "Next: %d, CHK: %d, SSK: %d, USK: %d", new Object[] { next, nextChk, nextSsk, nextUsk });
-					if (((linkType == LinkType.CHK) || (linkType == LinkType.SSK) || (linkType == LinkType.USK)) && (link.length() > 98) && (link.charAt(47) == ',') && (link.charAt(91) == ',') && (link.charAt(99) == '/')) {
-						name = link.substring(0, 47) + "…" + link.substring(99);
+					if (linkType == LinkType.KSK) {
+						name = link.substring(4);
+					} else if ((linkType == LinkType.CHK) || (linkType == LinkType.SSK) || (linkType == LinkType.USK)) {
+						if (name.indexOf('/') > -1) {
+							if (!name.endsWith("/")) {
+								name = name.substring(name.lastIndexOf('/') + 1);
+							} else {
+								if (name.indexOf('/') != name.lastIndexOf('/')) {
+									name = name.substring(name.lastIndexOf('/', name.lastIndexOf('/') - 1));
+								} else {
+									/* shorten to 5 chars. */
+									name = name.substring(4, Math.min(9, name.length()));
+								}
+							}
+						}
+						if (name.indexOf('?') > -1) {
+							name = name.substring(0, name.indexOf('?'));
+						}
+						boolean fromPostingSone = false;
+						if ((linkType == LinkType.SSK) || (linkType == LinkType.USK)) {
+							try {
+								new FreenetURI(link);
+								fromPostingSone = link.substring(4, 47).equals(context.getPostingSone().getId());
+								parts.add(fromPostingSone ? createTrustedFreenetLinkPart(link, name) : createFreenetLinkPart(link, name));
+							} catch (MalformedURLException mue1) {
+								/* it’s not a valid link. */
+								parts.add(createPlainTextPart(link));
+							}
+						} else {
+							parts.add(fromPostingSone ? createTrustedFreenetLinkPart(link, name) : createFreenetLinkPart(link, name));
+						}
+					} else if ((linkType == LinkType.HTTP) || (linkType == LinkType.HTTPS)) {
+						name = link.substring(linkType == LinkType.HTTP ? 7 : 8);
+						int firstSlash = name.indexOf('/');
+						int lastSlash = name.lastIndexOf('/');
+						if ((lastSlash - firstSlash) > 3) {
+							name = name.substring(0, firstSlash + 1) + "…" + name.substring(lastSlash);
+						}
+						if (name.endsWith("/")) {
+							name = name.substring(0, name.length() - 1);
+						}
+						if (((name.indexOf('/') > -1) && (name.indexOf('.') < name.lastIndexOf('.', name.indexOf('/'))) || ((name.indexOf('/') == -1) && (name.indexOf('.') < name.lastIndexOf('.')))) && name.startsWith("www.")) {
+							name = name.substring(4);
+						}
+						if (name.indexOf('?') > -1) {
+							name = name.substring(0, name.indexOf('?'));
+						}
+						link = "?_CHECKED_HTTP_=" + link;
+						parts.add(createInternetLinkPart(link, name));
 					}
-					parts.add(createLinkPart(link, name));
 					line = line.substring(nextSpace);
 				} else {
 					parts.add(createPlainTextPart(line.substring(0, next + 4)));
@@ -159,7 +223,36 @@ public class FreenetLinkParser implements Parser {
 	}
 
 	/**
-	 * Creates a new link part based on a template.
+	 * Creates a new part based on a template that links to a site within the
+	 * normal internet.
+	 *
+	 * @param link
+	 *            The target of the link
+	 * @param name
+	 *            The name of the link
+	 * @return The part that displays the link
+	 */
+	private Part createInternetLinkPart(String link, String name) {
+		return new TemplatePart(templateFactory.createTemplate(new StringReader("<a class=\"internet\" href=\"/<% link|html>\" title=\"<% link|html>\"><% name|html></a>"))).set("link", link).set("name", name);
+	}
+
+	/**
+	 * Creates a new part based on a template that links to a site within
+	 * freenet.
+	 *
+	 * @param link
+	 *            The target of the link
+	 * @param name
+	 *            The name of the link
+	 * @return The part that displays the link
+	 */
+	private Part createFreenetLinkPart(String link, String name) {
+		return new TemplatePart(templateFactory.createTemplate(new StringReader("<a class=\"freenet\" href=\"/<% link|html>\" title=\"<% link|html>\"><% name|html></a>"))).set("link", link).set("name", name);
+	}
+
+	/**
+	 * Creates a new part based on a template that links to a page in the
+	 * poster’s keyspace.
 	 *
 	 * @param link
 	 *            The target of the link
@@ -167,8 +260,8 @@ public class FreenetLinkParser implements Parser {
 	 *            The name of the link
 	 * @return The part that displays the link
 	 */
-	private Part createLinkPart(String link, String name) {
-		return new TemplatePart(templateFactory.createTemplate(new StringReader("<a href=\"/<% link|html>\"><% name|html></a>"))).set("link", link).set("name", name);
+	private Part createTrustedFreenetLinkPart(String link, String name) {
+		return new TemplatePart(templateFactory.createTemplate(new StringReader("<a class=\"freenet-trusted\" href=\"/<% link|html>\" title=\"<% link|html>\"><% name|html></a>"))).set("link", link).set("name", name);
 	}
 
 }