| 1 | package be.nikiroo.fanfix.library; |
| 2 | |
| 3 | import java.io.ByteArrayInputStream; |
| 4 | import java.io.IOException; |
| 5 | import java.io.InputStream; |
| 6 | import java.util.ArrayList; |
| 7 | import java.util.Arrays; |
| 8 | import java.util.HashMap; |
| 9 | import java.util.LinkedList; |
| 10 | import java.util.List; |
| 11 | import java.util.Map; |
| 12 | |
| 13 | import org.json.JSONArray; |
| 14 | import org.json.JSONObject; |
| 15 | |
| 16 | import be.nikiroo.fanfix.Instance; |
| 17 | import be.nikiroo.fanfix.bundles.Config; |
| 18 | import be.nikiroo.fanfix.data.Chapter; |
| 19 | import be.nikiroo.fanfix.data.JsonIO; |
| 20 | import be.nikiroo.fanfix.data.MetaData; |
| 21 | import be.nikiroo.fanfix.data.Paragraph; |
| 22 | import be.nikiroo.fanfix.data.Paragraph.ParagraphType; |
| 23 | import be.nikiroo.fanfix.data.Story; |
| 24 | import be.nikiroo.utils.Image; |
| 25 | import be.nikiroo.utils.LoginResult; |
| 26 | import be.nikiroo.utils.NanoHTTPD; |
| 27 | import be.nikiroo.utils.NanoHTTPD.Response; |
| 28 | import be.nikiroo.utils.NanoHTTPD.Response.Status; |
| 29 | |
| 30 | public class WebLibraryServer extends WebLibraryServerHtml { |
| 31 | class WLoginResult extends LoginResult { |
| 32 | private boolean rw; |
| 33 | private boolean wl; |
| 34 | private boolean bl; |
| 35 | |
| 36 | public WLoginResult(boolean badLogin, boolean badCookie) { |
| 37 | super(badLogin, badCookie); |
| 38 | } |
| 39 | |
| 40 | public WLoginResult(String who, String key, String subkey, boolean rw, |
| 41 | boolean wl, boolean bl) { |
| 42 | super(who, key, subkey, (rw ? "|rw" : "") + (wl ? "|wl" : "") |
| 43 | + (bl ? "|bl" : "") + "|"); |
| 44 | this.rw = rw; |
| 45 | this.wl = wl; |
| 46 | this.bl = bl; |
| 47 | } |
| 48 | |
| 49 | public WLoginResult(String cookie, String who, String key, |
| 50 | List<String> subkeys) { |
| 51 | super(cookie, who, key, subkeys, |
| 52 | subkeys == null || subkeys.isEmpty()); |
| 53 | } |
| 54 | |
| 55 | public boolean isRw() { |
| 56 | return getOption().contains("|rw|"); |
| 57 | } |
| 58 | |
| 59 | public boolean isWl() { |
| 60 | return getOption().contains("|wl|"); |
| 61 | } |
| 62 | |
| 63 | public boolean isBl() { |
| 64 | return getOption().contains("|bl|"); |
| 65 | } |
| 66 | } |
| 67 | |
| 68 | private Map<String, Story> storyCache = new HashMap<String, Story>(); |
| 69 | private LinkedList<String> storyCacheOrder = new LinkedList<String>(); |
| 70 | private long storyCacheSize = 0; |
| 71 | private long maxStoryCacheSize; |
| 72 | |
| 73 | private List<String> whitelist; |
| 74 | private List<String> blacklist; |
| 75 | |
| 76 | public WebLibraryServer(boolean secure) throws IOException { |
| 77 | super(secure); |
| 78 | |
| 79 | int cacheMb = Instance.getInstance().getConfig() |
| 80 | .getInteger(Config.SERVER_MAX_CACHE_MB, 100); |
| 81 | maxStoryCacheSize = cacheMb * 1024 * 1024; |
| 82 | |
| 83 | setTraceHandler(Instance.getInstance().getTraceHandler()); |
| 84 | |
| 85 | whitelist = Instance.getInstance().getConfig() |
| 86 | .getList(Config.SERVER_WHITELIST, new ArrayList<String>()); |
| 87 | blacklist = Instance.getInstance().getConfig() |
| 88 | .getList(Config.SERVER_BLACKLIST, new ArrayList<String>()); |
| 89 | } |
| 90 | |
| 91 | /** |
| 92 | * Start the server (listen on the network for new connections). |
| 93 | * <p> |
| 94 | * Can only be called once. |
| 95 | * <p> |
| 96 | * This call is asynchronous, and will just start a new {@link Thread} on |
| 97 | * itself (see {@link WebLibraryServer#run()}). |
| 98 | */ |
| 99 | public void start() { |
| 100 | new Thread(this).start(); |
| 101 | } |
| 102 | |
| 103 | @Override |
| 104 | protected WLoginResult login(boolean badLogin, boolean badCookie) { |
| 105 | return new WLoginResult(false, false); |
| 106 | } |
| 107 | |
| 108 | @Override |
| 109 | protected WLoginResult login(String who, String cookie) { |
| 110 | List<String> subkeys = Instance.getInstance().getConfig() |
| 111 | .getList(Config.SERVER_ALLOWED_SUBKEYS); |
| 112 | String realKey = Instance.getInstance().getConfig() |
| 113 | .getString(Config.SERVER_KEY); |
| 114 | |
| 115 | return new WLoginResult(cookie, who, realKey, subkeys); |
| 116 | } |
| 117 | |
| 118 | // allow rw/wl |
| 119 | @Override |
| 120 | protected WLoginResult login(String who, String key, String subkey) { |
| 121 | String realKey = Instance.getInstance().getConfig() |
| 122 | .getString(Config.SERVER_KEY, ""); |
| 123 | |
| 124 | // I don't like NULLs... |
| 125 | key = key == null ? "" : key; |
| 126 | subkey = subkey == null ? "" : subkey; |
| 127 | |
| 128 | if (!realKey.equals(key)) { |
| 129 | return new WLoginResult(true, false); |
| 130 | } |
| 131 | |
| 132 | // defaults are true (as previous versions without the feature) |
| 133 | boolean rw = true; |
| 134 | boolean wl = true; |
| 135 | boolean bl = true; |
| 136 | |
| 137 | rw = Instance.getInstance().getConfig().getBoolean(Config.SERVER_RW, |
| 138 | rw); |
| 139 | |
| 140 | List<String> allowed = Instance.getInstance().getConfig().getList( |
| 141 | Config.SERVER_ALLOWED_SUBKEYS, new ArrayList<String>()); |
| 142 | |
| 143 | if (!allowed.isEmpty()) { |
| 144 | if (!allowed.contains(subkey)) { |
| 145 | return new WLoginResult(true, false); |
| 146 | } |
| 147 | |
| 148 | if ((subkey + "|").contains("|rw|")) { |
| 149 | rw = true; |
| 150 | } |
| 151 | if ((subkey + "|").contains("|wl|")) { |
| 152 | wl = false; // |wl| = bypass whitelist |
| 153 | } |
| 154 | if ((subkey + "|").contains("|bl|")) { |
| 155 | bl = false; // |bl| = bypass blacklist |
| 156 | } |
| 157 | } |
| 158 | |
| 159 | return new WLoginResult(who, key, subkey, rw, wl, bl); |
| 160 | } |
| 161 | |
| 162 | @Override |
| 163 | protected Response getList(String uri, WLoginResult login) |
| 164 | throws IOException { |
| 165 | if (WebLibraryUrls.LIST_URL_METADATA.equals(uri)) { |
| 166 | List<JSONObject> jsons = new ArrayList<JSONObject>(); |
| 167 | for (MetaData meta : metas(login)) { |
| 168 | jsons.add(JsonIO.toJson(meta)); |
| 169 | } |
| 170 | |
| 171 | return newInputStreamResponse("application/json", |
| 172 | new ByteArrayInputStream( |
| 173 | new JSONArray(jsons).toString().getBytes())); |
| 174 | } |
| 175 | |
| 176 | return NanoHTTPD.newFixedLengthResponse(Status.BAD_REQUEST, |
| 177 | NanoHTTPD.MIME_PLAINTEXT, null); |
| 178 | } |
| 179 | |
| 180 | // /story/luid/chapter/para <-- text/image |
| 181 | // /story/luid/cover <-- image |
| 182 | // /story/luid/metadata <-- json |
| 183 | // /story/luid/json <-- json, whole chapter (no images) |
| 184 | @Override |
| 185 | protected Response getStoryPart(String uri, WLoginResult login) { |
| 186 | String[] uriParts = uri.split("/"); |
| 187 | int off = 2; |
| 188 | |
| 189 | if (uriParts.length < off + 2) { |
| 190 | return NanoHTTPD.newFixedLengthResponse(Status.BAD_REQUEST, |
| 191 | NanoHTTPD.MIME_PLAINTEXT, null); |
| 192 | } |
| 193 | |
| 194 | String luid = uriParts[off + 0]; |
| 195 | String chapterStr = uriParts[off + 1]; |
| 196 | String imageStr = uriParts.length < off + 3 ? null : uriParts[off + 2]; |
| 197 | |
| 198 | // 1-based (0 = desc) |
| 199 | int chapter = 0; |
| 200 | if (chapterStr != null && !"cover".equals(chapterStr) |
| 201 | && !"metadata".equals(chapterStr) |
| 202 | && !"json".equals(chapterStr)) { |
| 203 | try { |
| 204 | chapter = Integer.parseInt(chapterStr); |
| 205 | if (chapter < 0) { |
| 206 | throw new NumberFormatException(); |
| 207 | } |
| 208 | } catch (NumberFormatException e) { |
| 209 | return NanoHTTPD.newFixedLengthResponse(Status.BAD_REQUEST, |
| 210 | NanoHTTPD.MIME_PLAINTEXT, "Chapter is not valid"); |
| 211 | } |
| 212 | } |
| 213 | |
| 214 | // 1-based |
| 215 | int paragraph = 1; |
| 216 | if (imageStr != null) { |
| 217 | try { |
| 218 | paragraph = Integer.parseInt(imageStr); |
| 219 | if (paragraph < 0) { |
| 220 | throw new NumberFormatException(); |
| 221 | } |
| 222 | } catch (NumberFormatException e) { |
| 223 | return NanoHTTPD.newFixedLengthResponse(Status.BAD_REQUEST, |
| 224 | NanoHTTPD.MIME_PLAINTEXT, "Paragraph is not valid"); |
| 225 | } |
| 226 | } |
| 227 | |
| 228 | String mimeType = NanoHTTPD.MIME_PLAINTEXT; |
| 229 | InputStream in = null; |
| 230 | try { |
| 231 | if ("cover".equals(chapterStr)) { |
| 232 | Image img = storyCover(luid, login); |
| 233 | if (img != null) { |
| 234 | in = img.newInputStream(); |
| 235 | } |
| 236 | // TODO: get correct image type |
| 237 | mimeType = "image/png"; |
| 238 | } else if ("metadata".equals(chapterStr)) { |
| 239 | MetaData meta = meta(luid, login); |
| 240 | JSONObject json = JsonIO.toJson(meta); |
| 241 | mimeType = "application/json"; |
| 242 | in = new ByteArrayInputStream(json.toString().getBytes()); |
| 243 | } else if ("json".equals(chapterStr)) { |
| 244 | Story story = story(luid, login); |
| 245 | JSONObject json = JsonIO.toJson(story); |
| 246 | mimeType = "application/json"; |
| 247 | in = new ByteArrayInputStream(json.toString().getBytes()); |
| 248 | } else { |
| 249 | Story story = story(luid, login); |
| 250 | if (story != null) { |
| 251 | if (chapter == 0) { |
| 252 | StringBuilder builder = new StringBuilder(); |
| 253 | for (Paragraph p : story.getMeta().getResume()) { |
| 254 | if (builder.length() == 0) { |
| 255 | builder.append("\n"); |
| 256 | } |
| 257 | builder.append(p.getContent()); |
| 258 | } |
| 259 | |
| 260 | in = new ByteArrayInputStream( |
| 261 | builder.toString().getBytes("utf-8")); |
| 262 | } else { |
| 263 | Paragraph para = story.getChapters().get(chapter - 1) |
| 264 | .getParagraphs().get(paragraph - 1); |
| 265 | Image img = para.getContentImage(); |
| 266 | if (para.getType() == ParagraphType.IMAGE) { |
| 267 | // TODO: get correct image type |
| 268 | mimeType = "image/png"; |
| 269 | in = img.newInputStream(); |
| 270 | } else { |
| 271 | in = new ByteArrayInputStream( |
| 272 | para.getContent().getBytes("utf-8")); |
| 273 | } |
| 274 | } |
| 275 | } |
| 276 | } |
| 277 | } catch (IndexOutOfBoundsException e) { |
| 278 | return NanoHTTPD.newFixedLengthResponse(Status.NOT_FOUND, |
| 279 | NanoHTTPD.MIME_PLAINTEXT, |
| 280 | "Chapter or paragraph does not exist"); |
| 281 | } catch (IOException e) { |
| 282 | Instance.getInstance().getTraceHandler() |
| 283 | .error(new IOException("Cannot get image: " + uri, e)); |
| 284 | return NanoHTTPD.newFixedLengthResponse(Status.INTERNAL_ERROR, |
| 285 | NanoHTTPD.MIME_PLAINTEXT, "Error when processing request"); |
| 286 | } |
| 287 | |
| 288 | return newInputStreamResponse(mimeType, in); |
| 289 | } |
| 290 | |
| 291 | @Override |
| 292 | protected Response getCover(String uri, WLoginResult login) |
| 293 | throws IOException { |
| 294 | String[] uriParts = uri.split("/"); |
| 295 | int off = 2; // "" and "cover" |
| 296 | |
| 297 | if (uriParts.length < off + 2) { |
| 298 | return NanoHTTPD.newFixedLengthResponse(Status.BAD_REQUEST, |
| 299 | NanoHTTPD.MIME_PLAINTEXT, "Invalid cover request"); |
| 300 | } |
| 301 | |
| 302 | String type = uriParts[off + 0]; |
| 303 | String id = uriParts[off + 1]; |
| 304 | |
| 305 | InputStream in = null; |
| 306 | |
| 307 | if ("story".equals(type)) { |
| 308 | Image img = storyCover(id, login); |
| 309 | if (img != null) { |
| 310 | in = img.newInputStream(); |
| 311 | } |
| 312 | } else if ("source".equals(type)) { |
| 313 | Image img = sourceCover(id, login); |
| 314 | if (img != null) { |
| 315 | in = img.newInputStream(); |
| 316 | } |
| 317 | } else if ("author".equals(type)) { |
| 318 | Image img = authorCover(id, login); |
| 319 | if (img != null) { |
| 320 | in = img.newInputStream(); |
| 321 | } |
| 322 | } else { |
| 323 | return NanoHTTPD.newFixedLengthResponse(Status.BAD_REQUEST, |
| 324 | NanoHTTPD.MIME_PLAINTEXT, |
| 325 | "Invalid GET cover type: " + type); |
| 326 | } |
| 327 | |
| 328 | // TODO: get correct image type |
| 329 | return newInputStreamResponse("image/png", in); |
| 330 | } |
| 331 | |
| 332 | @Override |
| 333 | protected Response setCover(String uri, String luid, WLoginResult login) |
| 334 | throws IOException { |
| 335 | String[] uriParts = uri.split("/"); |
| 336 | int off = 2; // "" and "cover" |
| 337 | |
| 338 | if (uriParts.length < off + 2) { |
| 339 | return NanoHTTPD.newFixedLengthResponse(Status.BAD_REQUEST, |
| 340 | NanoHTTPD.MIME_PLAINTEXT, "Invalid cover request"); |
| 341 | } |
| 342 | |
| 343 | String type = uriParts[off + 0]; |
| 344 | String id = uriParts[off + 1]; |
| 345 | |
| 346 | if ("source".equals(type)) { |
| 347 | sourceCover(id, login, luid); |
| 348 | } else if ("author".equals(type)) { |
| 349 | authorCover(id, login, luid); |
| 350 | } else { |
| 351 | return NanoHTTPD.newFixedLengthResponse(Status.BAD_REQUEST, |
| 352 | NanoHTTPD.MIME_PLAINTEXT, |
| 353 | "Invalid SET cover type: " + type); |
| 354 | } |
| 355 | |
| 356 | return newInputStreamResponse(NanoHTTPD.MIME_PLAINTEXT, null); |
| 357 | } |
| 358 | |
| 359 | @Override |
| 360 | protected List<MetaData> metas(WLoginResult login) throws IOException { |
| 361 | BasicLibrary lib = Instance.getInstance().getLibrary(); |
| 362 | List<MetaData> metas = new ArrayList<MetaData>(); |
| 363 | for (MetaData meta : lib.getList().getMetas()) { |
| 364 | if (isAllowed(meta, login)) { |
| 365 | metas.add(meta); |
| 366 | } |
| 367 | } |
| 368 | |
| 369 | return metas; |
| 370 | } |
| 371 | |
| 372 | // NULL if not whitelist OK or if not found |
| 373 | @Override |
| 374 | protected Story story(String luid, WLoginResult login) throws IOException { |
| 375 | synchronized (storyCache) { |
| 376 | if (storyCache.containsKey(luid)) { |
| 377 | Story story = storyCache.get(luid); |
| 378 | if (!isAllowed(story.getMeta(), login)) |
| 379 | return null; |
| 380 | |
| 381 | return story; |
| 382 | } |
| 383 | } |
| 384 | |
| 385 | Story story = null; |
| 386 | MetaData meta = meta(luid, login); |
| 387 | if (meta != null) { |
| 388 | BasicLibrary lib = Instance.getInstance().getLibrary(); |
| 389 | story = lib.getStory(luid, null); |
| 390 | long size = sizeOf(story); |
| 391 | |
| 392 | synchronized (storyCache) { |
| 393 | // Could have been added by another request |
| 394 | if (!storyCache.containsKey(luid)) { |
| 395 | while (!storyCacheOrder.isEmpty() |
| 396 | && storyCacheSize + size > maxStoryCacheSize) { |
| 397 | String oldestLuid = storyCacheOrder.removeFirst(); |
| 398 | Story oldestStory = storyCache.remove(oldestLuid); |
| 399 | maxStoryCacheSize -= sizeOf(oldestStory); |
| 400 | } |
| 401 | |
| 402 | storyCacheOrder.add(luid); |
| 403 | storyCache.put(luid, story); |
| 404 | } |
| 405 | } |
| 406 | } |
| 407 | |
| 408 | return story; |
| 409 | } |
| 410 | |
| 411 | private MetaData meta(String luid, WLoginResult login) throws IOException { |
| 412 | BasicLibrary lib = Instance.getInstance().getLibrary(); |
| 413 | MetaData meta = lib.getInfo(luid); |
| 414 | if (!isAllowed(meta, login)) |
| 415 | return null; |
| 416 | |
| 417 | return meta; |
| 418 | } |
| 419 | |
| 420 | private Image storyCover(String luid, WLoginResult login) |
| 421 | throws IOException { |
| 422 | MetaData meta = meta(luid, login); |
| 423 | if (meta != null) { |
| 424 | BasicLibrary lib = Instance.getInstance().getLibrary(); |
| 425 | return lib.getCover(meta.getLuid()); |
| 426 | } |
| 427 | |
| 428 | return null; |
| 429 | } |
| 430 | |
| 431 | private Image authorCover(String author, WLoginResult login) |
| 432 | throws IOException { |
| 433 | Image img = null; |
| 434 | |
| 435 | List<MetaData> metas = new MetaResultList(metas(login)).filter(null, |
| 436 | author, null); |
| 437 | if (metas.size() > 0) { |
| 438 | BasicLibrary lib = Instance.getInstance().getLibrary(); |
| 439 | img = lib.getCustomAuthorCover(author); |
| 440 | if (img == null) |
| 441 | img = lib.getCover(metas.get(0).getLuid()); |
| 442 | } |
| 443 | |
| 444 | return img; |
| 445 | |
| 446 | } |
| 447 | |
| 448 | private void authorCover(String author, WLoginResult login, String luid) |
| 449 | throws IOException { |
| 450 | if (meta(luid, login) != null) { |
| 451 | List<MetaData> metas = new MetaResultList(metas(login)).filter(null, |
| 452 | author, null); |
| 453 | if (metas.size() > 0) { |
| 454 | BasicLibrary lib = Instance.getInstance().getLibrary(); |
| 455 | lib.setAuthorCover(author, luid); |
| 456 | } |
| 457 | } |
| 458 | } |
| 459 | |
| 460 | private Image sourceCover(String source, WLoginResult login) |
| 461 | throws IOException { |
| 462 | Image img = null; |
| 463 | |
| 464 | List<MetaData> metas = new MetaResultList(metas(login)).filter(source, |
| 465 | null, null); |
| 466 | if (metas.size() > 0) { |
| 467 | BasicLibrary lib = Instance.getInstance().getLibrary(); |
| 468 | img = lib.getCustomSourceCover(source); |
| 469 | if (img == null) |
| 470 | img = lib.getCover(metas.get(0).getLuid()); |
| 471 | } |
| 472 | |
| 473 | return img; |
| 474 | } |
| 475 | |
| 476 | private void sourceCover(String source, WLoginResult login, String luid) |
| 477 | throws IOException { |
| 478 | if (meta(luid, login) != null) { |
| 479 | List<MetaData> metas = new MetaResultList(metas(login)) |
| 480 | .filter(source, null, null); |
| 481 | if (metas.size() > 0) { |
| 482 | BasicLibrary lib = Instance.getInstance().getLibrary(); |
| 483 | lib.setSourceCover(source, luid); |
| 484 | } |
| 485 | } |
| 486 | } |
| 487 | |
| 488 | private boolean isAllowed(MetaData meta, WLoginResult login) { |
| 489 | MetaResultList one = new MetaResultList(Arrays.asList(meta)); |
| 490 | if (login.isWl() && !whitelist.isEmpty()) { |
| 491 | if (one.filter(whitelist, null, null).isEmpty()) { |
| 492 | return false; |
| 493 | } |
| 494 | } |
| 495 | if (login.isBl() && !blacklist.isEmpty()) { |
| 496 | if (!one.filter(blacklist, null, null).isEmpty()) { |
| 497 | return false; |
| 498 | } |
| 499 | } |
| 500 | |
| 501 | return true; |
| 502 | } |
| 503 | |
| 504 | private long sizeOf(Story story) { |
| 505 | long size = 0; |
| 506 | for (Chapter chap : story) { |
| 507 | for (Paragraph para : chap) { |
| 508 | if (para.getType() == ParagraphType.IMAGE) { |
| 509 | size += para.getContentImage().getSize(); |
| 510 | } else { |
| 511 | size += para.getContent().length(); |
| 512 | } |
| 513 | } |
| 514 | } |
| 515 | |
| 516 | return size; |
| 517 | } |
| 518 | |
| 519 | public static void main(String[] args) throws IOException { |
| 520 | Instance.init(); |
| 521 | WebLibraryServer web = new WebLibraryServer(false); |
| 522 | web.run(); |
| 523 | } |
| 524 | } |