| 1 | package be.nikiroo.fanfix.supported; |
| 2 | |
| 3 | import java.io.IOException; |
| 4 | import java.io.InputStream; |
| 5 | import java.io.UnsupportedEncodingException; |
| 6 | import java.net.MalformedURLException; |
| 7 | import java.net.URL; |
| 8 | import java.net.URLDecoder; |
| 9 | import java.util.AbstractMap; |
| 10 | import java.util.ArrayList; |
| 11 | import java.util.Collections; |
| 12 | import java.util.Date; |
| 13 | import java.util.LinkedList; |
| 14 | import java.util.List; |
| 15 | import java.util.Map.Entry; |
| 16 | |
| 17 | import org.jsoup.helper.DataUtil; |
| 18 | import org.jsoup.nodes.Document; |
| 19 | import org.jsoup.nodes.Element; |
| 20 | import org.jsoup.select.Elements; |
| 21 | |
| 22 | import be.nikiroo.fanfix.Instance; |
| 23 | import be.nikiroo.fanfix.data.MetaData; |
| 24 | import be.nikiroo.utils.IOUtils; |
| 25 | import be.nikiroo.utils.Image; |
| 26 | import be.nikiroo.utils.Progress; |
| 27 | import be.nikiroo.utils.StringUtils; |
| 28 | |
| 29 | /** |
| 30 | * Support class for <a href="http://e621.net/">e621.net</a> and |
| 31 | * <a href="http://e926.net/">e926.net</a>, a Furry website supporting comics, |
| 32 | * including some of MLP. |
| 33 | * <p> |
| 34 | * <a href="http://e926.net/">e926.net</a> only shows the "clean" images and |
| 35 | * comics, but it can be difficult to browse. |
| 36 | * |
| 37 | * @author niki |
| 38 | */ |
| 39 | class E621 extends BasicSupport { |
| 40 | @Override |
| 41 | protected boolean supports(URL url) { |
| 42 | String host = url.getHost(); |
| 43 | if (host.startsWith("www.")) { |
| 44 | host = host.substring("www.".length()); |
| 45 | } |
| 46 | |
| 47 | return ("e621.net".equals(host) || "e926.net".equals(host)) && (isPool(url) || isSearchOrSet(url)); |
| 48 | } |
| 49 | |
| 50 | @Override |
| 51 | protected boolean isHtml() { |
| 52 | return true; |
| 53 | } |
| 54 | |
| 55 | @Override |
| 56 | protected MetaData getMeta() throws IOException { |
| 57 | MetaData meta = new MetaData(); |
| 58 | |
| 59 | meta.setTitle(getTitle()); |
| 60 | meta.setAuthor(getAuthor()); |
| 61 | meta.setDate(""); |
| 62 | meta.setTags(getTags()); |
| 63 | meta.setSource(getType().getSourceName()); |
| 64 | meta.setUrl(getSource().toString()); |
| 65 | meta.setPublisher(getType().getSourceName()); |
| 66 | meta.setUuid(getSource().toString()); |
| 67 | meta.setLuid(""); |
| 68 | meta.setLang("en"); |
| 69 | meta.setSubject("Furry"); |
| 70 | meta.setType(getType().toString()); |
| 71 | meta.setImageDocument(true); |
| 72 | meta.setCover(getCover()); |
| 73 | meta.setFakeCover(true); |
| 74 | |
| 75 | return meta; |
| 76 | } |
| 77 | |
| 78 | @Override |
| 79 | protected String getDesc() throws IOException { |
| 80 | if (isSearchOrSet(getSource())) { |
| 81 | StringBuilder builder = new StringBuilder(); |
| 82 | builder.append("A collection of images from ").append(getSource().getHost()).append("\n") // |
| 83 | .append("\tTime of creation: " + StringUtils.fromTime(new Date().getTime())).append("\n") // |
| 84 | .append("\tTags: ");// |
| 85 | for (String tag : getTags()) { |
| 86 | builder.append("\t\t").append(tag); |
| 87 | } |
| 88 | |
| 89 | return builder.toString(); |
| 90 | } |
| 91 | |
| 92 | if (isPool(getSource())) { |
| 93 | Element el = getSourceNode().getElementById("description"); |
| 94 | if (el != null) { |
| 95 | return el.text(); |
| 96 | } |
| 97 | } |
| 98 | |
| 99 | return null; |
| 100 | } |
| 101 | |
| 102 | @Override |
| 103 | protected List<Entry<String, URL>> getChapters(Progress pg) throws IOException { |
| 104 | List<Entry<String, URL>> chapters = new LinkedList<Entry<String, URL>>(); |
| 105 | |
| 106 | if (isPool(getSource())) { |
| 107 | String baseUrl = "https://e621.net/" + getSource().getPath() + "?page="; |
| 108 | chapters = getChapters(getSource(), pg, baseUrl, ""); |
| 109 | } else if (isSearchOrSet(getSource())) { |
| 110 | String baseUrl = "https://e621.net/posts/?page="; |
| 111 | String search = "&tags=" + getTagsFromUrl(getSource()); |
| 112 | |
| 113 | chapters = getChapters(getSource(), pg, |
| 114 | baseUrl, search); |
| 115 | } |
| 116 | |
| 117 | // sets and some pools are sorted in reverse order on the website |
| 118 | if (getSource().getPath().startsWith("/posts")) { |
| 119 | Collections.reverse(chapters); |
| 120 | } |
| 121 | |
| 122 | return chapters; |
| 123 | } |
| 124 | |
| 125 | private List<Entry<String, URL>> getChapters(URL source, Progress pg, String baseUrl, String parameters) |
| 126 | throws IOException { |
| 127 | List<Entry<String, URL>> urls = new ArrayList<Entry<String, URL>>(); |
| 128 | |
| 129 | if (source.getHost().contains("e926")) { |
| 130 | baseUrl = baseUrl.replace("e621", "e926"); |
| 131 | } |
| 132 | |
| 133 | for (int i = 1; true; i++) { |
| 134 | URL url = new URL(baseUrl + i + parameters); |
| 135 | try { |
| 136 | InputStream pageI = Instance.getInstance().getCache().open(url, this, false); |
| 137 | try { |
| 138 | if (IOUtils.readSmallStream(pageI).contains("Nobody here but us chickens!")) { |
| 139 | break; |
| 140 | } |
| 141 | urls.add(new AbstractMap.SimpleEntry<String, URL>("Page " + Integer.toString(i), url)); |
| 142 | } finally { |
| 143 | pageI.close(); |
| 144 | } |
| 145 | } catch (Exception e) { |
| 146 | break; |
| 147 | } |
| 148 | } |
| 149 | |
| 150 | return urls; |
| 151 | } |
| 152 | |
| 153 | @Override |
| 154 | protected String getChapterContent(URL chapUrl, int number, Progress pg) throws IOException { |
| 155 | StringBuilder builder = new StringBuilder(); |
| 156 | Document chapterNode = loadDocument(chapUrl); |
| 157 | |
| 158 | Elements articles = chapterNode.getElementsByTag("article"); |
| 159 | |
| 160 | // sets and some pools are sorted in reverse order on the website |
| 161 | if (getSource().getPath().startsWith("/posts")) { |
| 162 | Collections.reverse(articles); |
| 163 | } |
| 164 | |
| 165 | for (Element el : articles) { |
| 166 | builder.append("["); |
| 167 | builder.append(el.attr("data-file-url")); |
| 168 | builder.append("]<br/>"); |
| 169 | } |
| 170 | |
| 171 | return builder.toString(); |
| 172 | } |
| 173 | |
| 174 | @Override |
| 175 | protected URL getCanonicalUrl(URL source) { |
| 176 | // Convert search-pools into proper pools |
| 177 | if (source.getPath().equals("/posts") && source.getQuery() != null |
| 178 | && source.getQuery().startsWith("tags=pool%3A")) { |
| 179 | String poolNumber = source.getQuery() |
| 180 | .substring("tags=pool%3A".length()); |
| 181 | try { |
| 182 | Integer.parseInt(poolNumber); |
| 183 | String base = source.getProtocol() + "://" + source.getHost(); |
| 184 | if (source.getPort() != -1) { |
| 185 | base = base + ":" + source.getPort(); |
| 186 | } |
| 187 | source = new URL(base + "/pools/" + poolNumber); |
| 188 | } catch (NumberFormatException e) { |
| 189 | // Not a simple pool, skip |
| 190 | } catch (MalformedURLException e) { |
| 191 | // Cannot happen |
| 192 | } |
| 193 | } |
| 194 | |
| 195 | if (isSetOriginalUrl(source)) { |
| 196 | try { |
| 197 | Document doc = DataUtil.load(Instance.getInstance().getCache().open(source, this, false), "UTF-8", source.toString()); |
| 198 | for (Element shortname : doc.getElementsByClass("set-shortname")) { |
| 199 | for (Element el : shortname.getElementsByTag("a")) { |
| 200 | if (!el.attr("href").isEmpty()) |
| 201 | return new URL(el.absUrl("href")); |
| 202 | } |
| 203 | } |
| 204 | } catch (IOException e) { |
| 205 | Instance.getInstance().getTraceHandler().error(e); |
| 206 | } |
| 207 | } |
| 208 | |
| 209 | if (isPool(source)) { |
| 210 | try { |
| 211 | return new URL(source.toString().replace("/pool/show/", "/pools/")); |
| 212 | } catch (MalformedURLException e) { |
| 213 | } |
| 214 | } |
| 215 | |
| 216 | return super.getCanonicalUrl(source); |
| 217 | } |
| 218 | |
| 219 | // returns "xxx+ddd+ggg" if "tags=xxx+ddd+ggg" was present in the query |
| 220 | private String getTagsFromUrl(URL url) { |
| 221 | String tags = url == null ? "" : url.getQuery(); |
| 222 | int pos = tags.indexOf("tags="); |
| 223 | |
| 224 | if (pos >= 0) { |
| 225 | tags = tags.substring(pos).substring("tags=".length()); |
| 226 | } else { |
| 227 | return ""; |
| 228 | } |
| 229 | |
| 230 | pos = tags.indexOf('&'); |
| 231 | if (pos > 0) { |
| 232 | tags = tags.substring(0, pos); |
| 233 | } |
| 234 | pos = tags.indexOf('/'); |
| 235 | if (pos > 0) { |
| 236 | tags = tags.substring(0, pos); |
| 237 | } |
| 238 | |
| 239 | return tags; |
| 240 | } |
| 241 | |
| 242 | private String getTitle() { |
| 243 | String title = ""; |
| 244 | |
| 245 | Element el = getSourceNode().getElementsByTag("title").first(); |
| 246 | if (el != null) { |
| 247 | title = el.text().trim(); |
| 248 | } |
| 249 | |
| 250 | for (String s : new String[] { "e621", "-", "e621", "Pool", "-" }) { |
| 251 | if (title.startsWith(s)) { |
| 252 | title = title.substring(s.length()).trim(); |
| 253 | } |
| 254 | if (title.endsWith(s)) { |
| 255 | title = title.substring(0, title.length() - s.length()).trim(); |
| 256 | } |
| 257 | } |
| 258 | |
| 259 | if (isSearchOrSet(getSource())) { |
| 260 | title = title.isEmpty() ? "e621" : "[e621] " + title; |
| 261 | } |
| 262 | |
| 263 | return title; |
| 264 | } |
| 265 | |
| 266 | private String getAuthor() throws IOException { |
| 267 | StringBuilder builder = new StringBuilder(); |
| 268 | |
| 269 | if (isSearchOrSet(getSource())) { |
| 270 | for (Element el : getSourceNode().getElementsByClass("search-tag")) { |
| 271 | if (el.attr("itemprop").equals("author")) { |
| 272 | if (builder.length() > 0) { |
| 273 | builder.append(", "); |
| 274 | } |
| 275 | builder.append(el.text().trim()); |
| 276 | } |
| 277 | } |
| 278 | } |
| 279 | |
| 280 | if (isPool(getSource())) { |
| 281 | String desc = getDesc(); |
| 282 | String descL = desc.toLowerCase(); |
| 283 | |
| 284 | if (descL.startsWith("by:") || descL.startsWith("by ")) { |
| 285 | desc = desc.substring(3).trim(); |
| 286 | desc = desc.split("\n")[0]; |
| 287 | |
| 288 | String tab[] = desc.split(" "); |
| 289 | for (int i = 0; i < Math.min(tab.length, 5); i++) { |
| 290 | if (tab[i].startsWith("http")) |
| 291 | break; |
| 292 | builder.append(" ").append(tab[i]); |
| 293 | } |
| 294 | } |
| 295 | |
| 296 | if (builder.length() == 0) { |
| 297 | String url = "https://e621.net/" + getSource().getPath() |
| 298 | + "?page=1"; |
| 299 | Document page1 = DataUtil.load(Instance.getInstance().getCache() |
| 300 | .open(getSource(), this, false), "UTF-8", |
| 301 | url.toString()); |
| 302 | for (Element el : page1.getElementsByClass("search-tag")) { |
| 303 | if (el.attr("itemprop").equals("author")) { |
| 304 | if (builder.length() > 0) { |
| 305 | builder.append(", "); |
| 306 | } |
| 307 | builder.append(el.text().trim()); |
| 308 | } |
| 309 | } |
| 310 | } |
| 311 | } |
| 312 | |
| 313 | return builder.toString(); |
| 314 | } |
| 315 | |
| 316 | // no tags for pools |
| 317 | private List<String> getTags() { |
| 318 | List<String> tags = new ArrayList<String>(); |
| 319 | if (isSearchOrSet(getSource())) { |
| 320 | String str = getTagsFromUrl(getSource()); |
| 321 | for (String tag : str.split("\\+")) { |
| 322 | try { |
| 323 | tags.add(URLDecoder.decode(tag.trim(), "UTF-8").trim()); |
| 324 | } catch (UnsupportedEncodingException e) { |
| 325 | } |
| 326 | } |
| 327 | } |
| 328 | |
| 329 | return tags; |
| 330 | } |
| 331 | |
| 332 | private Image getCover() throws IOException { |
| 333 | Image image = null; |
| 334 | List<Entry<String, URL>> chapters = getChapters(null); |
| 335 | if (!chapters.isEmpty()) { |
| 336 | URL chap1Url = chapters.get(0).getValue(); |
| 337 | String imgsChap1 = getChapterContent(chap1Url, 1, null); |
| 338 | if (!imgsChap1.isEmpty()) { |
| 339 | imgsChap1 = imgsChap1.split("]")[0].substring(1).trim(); |
| 340 | image = bsImages.getImage(this, new URL(imgsChap1)); |
| 341 | } |
| 342 | } |
| 343 | |
| 344 | return image; |
| 345 | } |
| 346 | |
| 347 | // note: will be removed at getCanonicalUrl() |
| 348 | private boolean isSetOriginalUrl(URL originalUrl) { |
| 349 | return originalUrl.getPath().startsWith("/post_sets/"); |
| 350 | } |
| 351 | |
| 352 | private boolean isPool(URL url) { |
| 353 | return url.getPath().startsWith("/pools/") || url.getPath().startsWith("/pool/show/"); |
| 354 | } |
| 355 | |
| 356 | // set will be renamed into search by canonical url |
| 357 | private boolean isSearchOrSet(URL url) { |
| 358 | return |
| 359 | // search: |
| 360 | (url.getPath().equals("/posts") && url.getQuery().contains("tags=")) |
| 361 | // or set: |
| 362 | || isSetOriginalUrl(url); |
| 363 | } |
| 364 | } |