Java tutorial
/* * Everychan Android (Meta Imageboard Client) * Copyright (C) 2014-2016 miku-nyan <https://github.com/miku-nyan> * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ package com.nttec.everychan.chans.uchan; import java.io.ByteArrayOutputStream; import java.io.IOException; import java.io.InputStream; import java.text.DateFormat; import java.text.SimpleDateFormat; import java.util.ArrayList; import java.util.List; import java.util.Locale; import java.util.TimeZone; import cz.msebera.android.httpclient.NameValuePair; import cz.msebera.android.httpclient.client.entity.UrlEncodedFormEntity; import cz.msebera.android.httpclient.message.BasicNameValuePair; import android.content.SharedPreferences; import android.content.res.Resources; import android.graphics.drawable.Drawable; import android.support.v4.content.res.ResourcesCompat; import com.nttec.everychan.R; import com.nttec.everychan.api.AbstractWakabaModule; import com.nttec.everychan.api.interfaces.CancellableTask; import com.nttec.everychan.api.interfaces.ProgressListener; import com.nttec.everychan.api.models.BadgeIconModel; import com.nttec.everychan.api.models.BoardModel; import com.nttec.everychan.api.models.DeletePostModel; import com.nttec.everychan.api.models.SendPostModel; import com.nttec.everychan.api.models.SimpleBoardModel; import com.nttec.everychan.api.models.UrlPageModel; import com.nttec.everychan.api.util.ChanModels; import com.nttec.everychan.api.util.WakabaReader; import com.nttec.everychan.common.IOUtils; import com.nttec.everychan.http.ExtendedMultipartBuilder; import com.nttec.everychan.http.streamer.HttpRequestModel; import com.nttec.everychan.http.streamer.HttpResponseModel; import com.nttec.everychan.http.streamer.HttpStreamer; public class UchanModule extends AbstractWakabaModule { private static final String CHAN_NAME = "uchan.to"; private static final String DOMAIN = "uchan.to"; private static final SimpleBoardModel[] BOARDS = new SimpleBoardModel[] { ChanModels.obtainSimpleBoardModel(CHAN_NAME, "a", "? ", "", false), ChanModels.obtainSimpleBoardModel(CHAN_NAME, "b", "", "", true), ChanModels.obtainSimpleBoardModel(CHAN_NAME, "cos", "?", "", false), ChanModels.obtainSimpleBoardModel(CHAN_NAME, "ero", ", ?", "", true), ChanModels.obtainSimpleBoardModel(CHAN_NAME, "exp", " ?", "", false), ChanModels.obtainSimpleBoardModel(CHAN_NAME, "ffd", " (+)", "", false), ChanModels.obtainSimpleBoardModel( CHAN_NAME, "ig", "' ", "", false), ChanModels.obtainSimpleBoardModel(CHAN_NAME, "int", "International", "", false), ChanModels.obtainSimpleBoardModel(CHAN_NAME, "lit", ", ?, ?", "", false), ChanModels.obtainSimpleBoardModel(CHAN_NAME, "muz", "", "", false), ChanModels.obtainSimpleBoardModel(CHAN_NAME, "pk", "? ", "", false), ChanModels.obtainSimpleBoardModel(CHAN_NAME, "pr", "?, `, ", "", false), ChanModels.obtainSimpleBoardModel(CHAN_NAME, "sho", " (, ?, ?)", "", false), ChanModels.obtainSimpleBoardModel(CHAN_NAME, "tr", "?", "", false), ChanModels.obtainSimpleBoardModel(CHAN_NAME, "tv", ", , ?, ", "", false), ChanModels.obtainSimpleBoardModel(CHAN_NAME, "ukr", "?, ", "", false), ChanModels.obtainSimpleBoardModel(CHAN_NAME, "vg", " ? ?? '??", "", false), ChanModels.obtainSimpleBoardModel(CHAN_NAME, "war", ", ??, ?", "", false), ChanModels.obtainSimpleBoardModel(CHAN_NAME, "x", "", "", true) }; private static final String[] ATTACHMENT_FORMATS = new String[] { "7z", "bz2", "flv", "gif", "gz", "jpg", "mp3", "ogg", "pdf", "png", "psd", "rar", "swf", "zip" }; private static final DateFormat DATE_FORMAT; static { DATE_FORMAT = new SimpleDateFormat("yyyy.MM.dd HH:mm", Locale.US); DATE_FORMAT.setTimeZone(TimeZone.getTimeZone("Europe/Kiev")); } public UchanModule(SharedPreferences preferences, Resources resources) { super(preferences, resources); } @Override public String getChanName() { return CHAN_NAME; } @Override public String getDisplayingName() { return ""; } @Override public Drawable getChanFavicon() { return ResourcesCompat.getDrawable(resources, R.drawable.favicon_uchan, null); } @Override protected String getUsingDomain() { return DOMAIN; } @Override protected String[] getAllDomains() { return new String[] { DOMAIN, "uchan.org.ua" }; } @Override protected boolean canHttps() { return true; } @Override protected boolean useHttpsDefaultValue() { return false; } @Override protected SimpleBoardModel[] getBoardsList() { return BOARDS; } @Override public BoardModel getBoard(String shortName, ProgressListener listener, CancellableTask task) throws Exception { BoardModel model = super.getBoard(shortName, listener, task); model.timeZoneId = "Europe/Kiev"; model.defaultUserName = "Anonymous"; model.readonlyBoard = false; model.requiredFileForNewThread = false; model.allowDeletePosts = true; model.allowDeleteFiles = true; model.allowNames = true; model.allowSubjects = true; model.allowSage = true; model.allowEmails = true; model.ignoreEmailIfSage = true; model.allowCustomMark = false; model.allowRandomHash = true; model.allowIcons = false; model.attachmentsMaxCount = 1; model.attachmentsFormatFilters = ATTACHMENT_FORMATS; model.markType = BoardModel.MARK_WAKABAMARK; return model; } @Override protected WakabaReader getWakabaReader(InputStream stream, UrlPageModel urlModel) { return new WakabaReader(stream, DATE_FORMAT, canCloudflare()) { @Override protected void parseDate(String date) { date = date.substring(date.indexOf(')') + 1).trim(); super.parseDate(date); } @Override protected void parseOmittedString(String omitted) { if (omitted.indexOf('<') != -1) omitted = omitted.substring(0, omitted.indexOf('<')); super.parseOmittedString(omitted); } @Override protected void parseThumbnail(String imgTag) { if (imgTag.startsWith(" src=\"/prapory/")) { int srcEnd = imgTag.indexOf('\"', 7); if (srcEnd != -1) { BadgeIconModel iconModel = new BadgeIconModel(); iconModel.source = imgTag.substring(7, srcEnd); int start, end; if ((start = imgTag.indexOf("title=\"", srcEnd)) != -1 && (end = imgTag.indexOf('\"', start + 7)) != -1) { iconModel.description = imgTag.substring(start + 7, end); } int currentIconsCount = currentPost.icons == null ? 0 : currentPost.icons.length; BadgeIconModel[] newIconsArray = new BadgeIconModel[currentIconsCount + 1]; for (int i = 0; i < currentIconsCount; ++i) newIconsArray[i] = currentPost.icons[i]; newIconsArray[currentIconsCount] = iconModel; currentPost.icons = newIconsArray; } } else super.parseThumbnail(imgTag); } @Override protected String readPostComment() throws IOException { return super.readPostComment().replace("<a href=\"/link.php?url=", "<a href=\""); } }; } @Override public String sendPost(SendPostModel model, ProgressListener listener, CancellableTask task) throws Exception { String url = getUsingUrl() + model.boardName + "/wakaba.pl"; ExtendedMultipartBuilder postEntityBuilder = ExtendedMultipartBuilder.create().setDelegates(listener, task) .addString("task", "post"); if (model.threadNumber != null) postEntityBuilder.addString("parent", model.threadNumber); postEntityBuilder.addString("field1", model.name).addString("field2", model.sage ? "sage" : model.email) .addString("field3", model.subject).addString("field4", model.comment); if (model.attachments != null && model.attachments.length > 0) postEntityBuilder.addFile("file", model.attachments[0], model.randomHash); else if (model.threadNumber == null) postEntityBuilder.addString("nofile", "on"); postEntityBuilder.addString("noko", "on").addString("password", model.password); HttpRequestModel request = HttpRequestModel.builder().setPOST(postEntityBuilder.build()).setNoRedirect(true) .build(); HttpResponseModel response = null; try { response = HttpStreamer.getInstance().getFromUrl(url, request, httpClient, null, task); if (response.statusCode == 303) { return null; } else if (response.statusCode == 200) { ByteArrayOutputStream output = new ByteArrayOutputStream(1024); IOUtils.copyStream(response.stream, output); String htmlResponse = output.toString("UTF-8"); if (!htmlResponse.contains("<blockquote")) { int start = htmlResponse.indexOf("<h1 style=\"text-align: center\">"); if (start != -1) { int end = htmlResponse.indexOf("<br /><br />", start + 31); if (end != -1) { throw new Exception(htmlResponse.substring(start + 31, end).trim()); } end = htmlResponse.indexOf("</h1>", start + 31); if (end != -1) { throw new Exception(htmlResponse.substring(start + 31, end).trim()); } } start = htmlResponse.indexOf("<h1>"); if (start != -1) { int end = htmlResponse.indexOf("</h1>", start + 4); if (end != -1) { throw new Exception(htmlResponse.substring(start + 4, end).trim()); } } } } else if (response.statusCode == 403) { throw new Exception("? "); } else throw new Exception(response.statusCode + " - " + response.statusReason); } finally { if (response != null) response.release(); } return null; } @Override public String deletePost(DeletePostModel model, ProgressListener listener, CancellableTask task) throws Exception { String url = getUsingUrl() + model.boardName + "/wakaba.pl"; List<NameValuePair> pairs = new ArrayList<NameValuePair>(); pairs.add(new BasicNameValuePair("delete", model.postNumber)); pairs.add(new BasicNameValuePair("task", "delete")); if (model.onlyFiles) pairs.add(new BasicNameValuePair("fileonly", "on")); pairs.add(new BasicNameValuePair("password", model.password)); HttpRequestModel request = HttpRequestModel.builder().setPOST(new UrlEncodedFormEntity(pairs, "UTF-8")) .setNoRedirect(true).build(); HttpResponseModel response = null; try { response = HttpStreamer.getInstance().getFromUrl(url, request, httpClient, null, task); if (response.statusCode == 200) { ByteArrayOutputStream output = new ByteArrayOutputStream(1024); IOUtils.copyStream(response.stream, output); String htmlResponse = output.toString("UTF-8"); if (!htmlResponse.contains("<blockquote")) { int start = htmlResponse.indexOf("<h1 style=\"text-align: center\">"); if (start != -1) { int end = htmlResponse.indexOf("<br /><br />", start + 31); if (end != -1) { throw new Exception(htmlResponse.substring(start + 31, end).trim()); } } } } else if (response.statusCode == 403) { throw new Exception("? "); } } finally { if (response != null) response.release(); } return null; } @Override public UrlPageModel parseUrl(String url) throws IllegalArgumentException { return super.parseUrl(url.replace("/chan.html", "/index.html")); } }