src/be/nikiroo/fanfix/supported/E621.java

   1 package be.nikiroo.fanfix.supported;
   2
   3 import java.awt.image.BufferedImage;
   4 import java.io.IOException;
   5 import java.io.InputStream;
   6 import java.net.URL;
   7 import java.util.ArrayList;
   8 import java.util.List;
   9 import java.util.Map.Entry;
  10 import java.util.Scanner;
  11
  12 import be.nikiroo.fanfix.Instance;
  13 import be.nikiroo.fanfix.data.Chapter;
  14 import be.nikiroo.fanfix.data.MetaData;
  15 import be.nikiroo.fanfix.data.Story;
  16 import be.nikiroo.utils.StringUtils;
  17
  18 /**
  19  * Support class for <a href="http://e621.net/">e621.net</a> and <a
  20  * href="http://e926.net/">e926.net</a>, a Furry website supporting comics,
  21  * including some of MLP.
  22  * <p>
  23  * <a href="http://e926.net/">e926.net</a> only shows the "clean" images and
  24  * comics, but it can be difficult to browse.
  25  *
  26  * @author niki
  27  */
  28 class E621 extends BasicSupport {
  29         @Override
  30         public String getSourceName() {
  31                 return "e621.net";
  32         }
  33
  34         @Override
  35         protected MetaData getMeta(URL source, InputStream in) throws IOException {
  36                 MetaData meta = new MetaData();
  37
  38                 meta.setTitle(getTitle(reset(in)));
  39                 meta.setAuthor(getAuthor(source, reset(in)));
  40                 meta.setDate("");
  41                 meta.setTags(new ArrayList<String>()); // TODDO ???
  42                 meta.setSource(getSourceName());
  43                 meta.setUrl(source.toString());
  44                 meta.setPublisher(getSourceName());
  45                 meta.setUuid(source.toString());
  46                 meta.setLuid("");
  47                 meta.setLang("EN");
  48                 meta.setSubject("");
  49                 meta.setType(getType().toString());
  50                 meta.setImageDocument(true);
  51                 meta.setCover(getCover(source));
  52
  53                 return meta;
  54         }
  55
  56         @Override
  57         public Story process(URL url) throws IOException {
  58                 // There is no chapters on e621, just pagination...
  59                 Story story = super.process(url);
  60
  61                 Chapter only = new Chapter(1, null);
  62                 for (Chapter chap : story) {
  63                         only.getParagraphs().addAll(chap.getParagraphs());
  64                 }
  65
  66                 story.getChapters().clear();
  67                 story.getChapters().add(only);
  68
  69                 return story;
  70         }
  71
  72         @Override
  73         protected boolean supports(URL url) {
  74                 String host = url.getHost();
  75                 if (host.startsWith("www.")) {
  76                         host = host.substring("www.".length());
  77                 }
  78
  79                 return ("e621.net".equals(host) || "e926.net".equals(host))
  80                                 && url.getPath().startsWith("/pool/");
  81         }
  82
  83         @Override
  84         protected boolean isHtml() {
  85                 return true;
  86         }
  87
  88         private BufferedImage getCover(URL source) throws IOException {
  89                 InputStream in = Instance.getCache().open(source, this, true);
  90                 String images = getChapterContent(new URL(source.toString() + "?page="
  91                                 + 1), in, 1);
  92                 if (!images.isEmpty()) {
  93                         int pos = images.indexOf('\n');
  94                         if (pos >= 0) {
  95                                 images = images.substring(1, pos - 1);
  96                                 return getImage(this, null, images);
  97                         }
  98                 }
  99
 100                 return null;
 101         }
 102
 103         private String getAuthor(URL source, InputStream in) throws IOException {
 104                 String author = getLine(in, "href=\"/post/show/", 0);
 105                 if (author != null) {
 106                         String key = "href=\"";
 107                         int pos = author.indexOf(key);
 108                         if (pos >= 0) {
 109                                 author = author.substring(pos + key.length());
 110                                 pos = author.indexOf("\"");
 111                                 if (pos >= 0) {
 112                                         author = author.substring(0, pos - 1);
 113                                         String page = source.getProtocol() + "://"
 114                                                         + source.getHost() + author;
 115                                         try {
 116                                                 InputStream pageIn = Instance.getCache().open(
 117                                                                 new URL(page), this, false);
 118                                                 try {
 119                                                         key = "class=\"tag-type-artist\"";
 120                                                         author = getLine(pageIn, key, 0);
 121                                                         if (author != null) {
 122                                                                 pos = author.indexOf("<a href=\"");
 123                                                                 if (pos >= 0) {
 124                                                                         author = author.substring(pos);
 125                                                                         pos = author.indexOf("</a>");
 126                                                                         if (pos >= 0) {
 127                                                                                 author = author.substring(0, pos);
 128                                                                                 return StringUtils.unhtml(author);
 129                                                                         }
 130                                                                 }
 131                                                         }
 132                                                 } finally {
 133                                                         pageIn.close();
 134                                                 }
 135                                         } catch (Exception e) {
 136                                                 // No author found
 137                                         }
 138                                 }
 139                         }
 140                 }
 141
 142                 return null;
 143         }
 144
 145         private String getTitle(InputStream in) throws IOException {
 146                 String title = getLine(in, "<title>", 0);
 147                 if (title != null) {
 148                         int pos = title.indexOf('>');
 149                         if (pos >= 0) {
 150                                 title = title.substring(pos + 1);
 151                                 pos = title.indexOf('<');
 152                                 if (pos >= 0) {
 153                                         title = title.substring(0, pos);
 154                                 }
 155                         }
 156
 157                         if (title.startsWith("Pool:")) {
 158                                 title = title.substring("Pool:".length());
 159                         }
 160
 161                         title = StringUtils.unhtml(title).trim();
 162                 }
 163
 164                 return title;
 165         }
 166
 167         @Override
 168         protected String getDesc(URL source, InputStream in) throws IOException {
 169                 String desc = getLine(in, "margin-bottom: 2em;", 0);
 170
 171                 if (desc != null) {
 172                         StringBuilder builder = new StringBuilder();
 173
 174                         boolean inTags = false;
 175                         for (char car : desc.toCharArray()) {
 176                                 if ((inTags && car == '>') || (!inTags && car == '<')) {
 177                                         inTags = !inTags;
 178                                 }
 179
 180                                 if (inTags) {
 181                                         builder.append(car);
 182                                 }
 183                         }
 184
 185                         return builder.toString().trim();
 186                 }
 187
 188                 return null;
 189         }
 190
 191         @Override
 192         protected List<Entry<String, URL>> getChapters(URL source, InputStream in)
 193                         throws IOException {
 194                 List<Entry<String, URL>> urls = new ArrayList<Entry<String, URL>>();
 195                 int last = 1; // no pool/show when only one page
 196
 197                 @SuppressWarnings("resource")
 198                 Scanner scan = new Scanner(in, "UTF-8");
 199                 scan.useDelimiter("\\n");
 200                 while (scan.hasNext()) {
 201                         String line = scan.next();
 202                         for (int pos = line.indexOf(source.getPath()); pos >= 0; pos = line
 203                                         .indexOf(source.getPath(), pos + source.getPath().length())) {
 204                                 int equalPos = line.indexOf("=", pos);
 205                                 int quotePos = line.indexOf("\"", pos);
 206                                 if (equalPos >= 0 && quotePos > equalPos) {
 207                                         String snum = line.substring(equalPos + 1, quotePos);
 208                                         try {
 209                                                 int num = Integer.parseInt(snum);
 210                                                 if (num > last) {
 211                                                         last = num;
 212                                                 }
 213                                         } catch (NumberFormatException e) {
 214                                         }
 215                                 }
 216                         }
 217                 }
 218
 219                 for (int i = 1; i <= last; i++) {
 220                         final String key = Integer.toString(i);
 221                         final URL value = new URL(source.toString() + "?page=" + i);
 222                         urls.add(new Entry<String, URL>() {
 223                                 public URL setValue(URL value) {
 224                                         return null;
 225                                 }
 226
 227                                 public URL getValue() {
 228                                         return value;
 229                                 }
 230
 231                                 public String getKey() {
 232                                         return key;
 233                                 }
 234                         });
 235                 }
 236
 237                 return urls;
 238         }
 239
 240         @Override
 241         protected String getChapterContent(URL source, InputStream in, int number)
 242                         throws IOException {
 243                 StringBuilder builder = new StringBuilder();
 244                 String staticSite = "https://static1.e621.net";
 245                 if (source.getHost().contains("e926")) {
 246                         staticSite = staticSite.replace("e621", "e926");
 247                 }
 248
 249                 String key = staticSite + "/data/preview/";
 250
 251                 @SuppressWarnings("resource")
 252                 Scanner scan = new Scanner(in, "UTF-8");
 253                 scan.useDelimiter("\\n");
 254                 while (scan.hasNext()) {
 255                         String line = scan.next();
 256                         if (line.contains("class=\"preview\"")) {
 257                                 for (int pos = line.indexOf(key); pos >= 0; pos = line.indexOf(
 258                                                 key, pos + key.length())) {
 259                                         int endPos = line.indexOf("\"", pos);
 260                                         if (endPos >= 0) {
 261                                                 String id = line.substring(pos + key.length(), endPos);
 262                                                 id = staticSite + "/data/" + id;
 263
 264                                                 int dotPos = id.lastIndexOf(".");
 265                                                 if (dotPos >= 0) {
 266                                                         id = id.substring(0, dotPos);
 267                                                         builder.append("[");
 268                                                         builder.append(id);
 269                                                         builder.append("]\n");
 270                                                 }
 271                                         }
 272                                 }
 273                         }
 274                 }
 275
 276                 return builder.toString();
 277         }
 278 }