Java tutorial
/* * Overchan 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 nya.miku.wishmaster.chans.tirech; import java.io.ByteArrayOutputStream; import java.io.InputStream; import java.util.ArrayList; import java.util.List; import cz.msebera.android.httpclient.Header; import cz.msebera.android.httpclient.HttpHeaders; import cz.msebera.android.httpclient.NameValuePair; import cz.msebera.android.httpclient.client.entity.UrlEncodedFormEntity; import cz.msebera.android.httpclient.message.BasicNameValuePair; import android.content.Context; import android.content.SharedPreferences; import android.content.res.Resources; import android.graphics.drawable.Drawable; import android.preference.EditTextPreference; import android.preference.PreferenceGroup; import android.support.v4.content.res.ResourcesCompat; import android.text.InputType; import android.text.TextUtils; import nya.miku.wishmaster.R; import nya.miku.wishmaster.api.AbstractWakabaModule; import nya.miku.wishmaster.api.interfaces.CancellableTask; import nya.miku.wishmaster.api.interfaces.ProgressListener; import nya.miku.wishmaster.api.models.BoardModel; import nya.miku.wishmaster.api.models.CaptchaModel; import nya.miku.wishmaster.api.models.DeletePostModel; import nya.miku.wishmaster.api.models.SendPostModel; import nya.miku.wishmaster.api.models.SimpleBoardModel; import nya.miku.wishmaster.api.models.ThreadModel; import nya.miku.wishmaster.api.models.UrlPageModel; import nya.miku.wishmaster.api.util.ChanModels; import nya.miku.wishmaster.api.util.WakabaReader; import nya.miku.wishmaster.common.IOUtils; import nya.miku.wishmaster.http.ExtendedMultipartBuilder; import nya.miku.wishmaster.http.streamer.HttpRequestModel; import nya.miku.wishmaster.http.streamer.HttpResponseModel; import nya.miku.wishmaster.http.streamer.HttpStreamer; import nya.miku.wishmaster.http.streamer.HttpWrongStatusCodeException; import nya.miku.wishmaster.lib.org_json.JSONObject; public class TirechModule extends AbstractWakabaModule { private static final String CHAN_NAME = "2--ch.ru"; private static final String DEFAULT_DOMAIN = "2--ch.ru"; private static final String DOMAINS_HINT = "2--ch.ru, 2-ch.su"; private static final String[] DOMAINS = new String[] { DEFAULT_DOMAIN, "2-ch.su" }; private static final String PREF_KEY_DOMAIN = "PREF_KEY_DOMAIN"; private static final SimpleBoardModel[] BOARDS = new SimpleBoardModel[] { ChanModels.obtainSimpleBoardModel(CHAN_NAME, "d", " ?", "??", false), ChanModels.obtainSimpleBoardModel(CHAN_NAME, "b", "", "??", true), ChanModels.obtainSimpleBoardModel(CHAN_NAME, "bg", "?? ", "", false), ChanModels.obtainSimpleBoardModel(CHAN_NAME, "hb", "", "", false), ChanModels.obtainSimpleBoardModel(CHAN_NAME, "wr", "?", "", false), ChanModels.obtainSimpleBoardModel(CHAN_NAME, "a", "?", "?? ", false), ChanModels.obtainSimpleBoardModel(CHAN_NAME, "to", "Touhou", "?? ", false) }; public TirechModule(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_dvach, null); } @Override protected String getUsingDomain() { String domain = preferences.getString(getSharedKey(PREF_KEY_DOMAIN), DEFAULT_DOMAIN); return TextUtils.isEmpty(domain) ? DEFAULT_DOMAIN : domain; } @Override protected String[] getAllDomains() { String domain = getUsingDomain(); for (String d : DOMAINS) if (domain.equals(d)) return DOMAINS; String[] domains = new String[DOMAINS.length + 1]; for (int i = 0; i < DOMAINS.length; ++i) domains[i] = DOMAINS[i]; domains[DOMAINS.length] = domain; return domains; } @Override protected boolean canHttps() { return false; } @Override protected boolean canCloudflare() { return true; } @Override protected boolean wakabaNoRedirect() { return true; } @Override public void addPreferencesOnScreen(PreferenceGroup preferenceGroup) { Context context = preferenceGroup.getContext(); EditTextPreference domainPref = new EditTextPreference(context); domainPref.setTitle(R.string.pref_domain); domainPref.setDialogTitle(R.string.pref_domain); domainPref.setSummary(resources.getString(R.string.pref_domain_summary, DOMAINS_HINT)); domainPref.setKey(getSharedKey(PREF_KEY_DOMAIN)); domainPref.getEditText().setHint(DEFAULT_DOMAIN); domainPref.getEditText().setSingleLine(); domainPref.getEditText().setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_URI); preferenceGroup.addPreference(domainPref); addPasswordPreference(preferenceGroup); addCloudflareRecaptchaFallbackPreference(preferenceGroup); addProxyPreferences(preferenceGroup); } @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 = "GMT+3"; model.defaultUserName = "?"; model.readonlyBoard = false; model.requiredFileForNewThread = true; model.allowDeletePosts = true; model.allowDeleteFiles = false; model.allowReport = BoardModel.REPORT_NOT_ALLOWED; model.allowNames = true; model.allowSubjects = true; model.allowSage = true; model.allowEmails = true; model.ignoreEmailIfSage = true; model.allowCustomMark = true; model.customMarkDescription = " ?"; model.allowRandomHash = true; model.allowIcons = false; model.attachmentsMaxCount = 1; model.attachmentsFormatFilters = null; model.markType = BoardModel.MARK_BBCODE; return model; } @Override protected WakabaReader getWakabaReader(InputStream stream, UrlPageModel urlModel) { return new TirechReader(stream, canCloudflare()); } @Override protected ThreadModel[] readWakabaPage(String url, ProgressListener listener, CancellableTask task, boolean checkModified, UrlPageModel urlModel) throws Exception { try { return super.readWakabaPage(url, listener, task, checkModified, urlModel); } catch (HttpWrongStatusCodeException e) { if (e.getStatusCode() == 302) throw new HttpWrongStatusCodeException(404, "404 - Not Found"); throw e; } } @Override public CaptchaModel getNewCaptcha(String boardName, String threadNumber, ProgressListener listener, CancellableTask task) throws Exception { String captchaUrl = getUsingUrl() + boardName + "/captcha.fpl?" + Long.toString(Math.round(Math.random() * 1000000)); HttpRequestModel request = HttpRequestModel.builder().setGET().setNoRedirect(true).build(); HttpResponseModel response = null; try { response = HttpStreamer.getInstance().getFromUrl(captchaUrl, request, httpClient, null, task); if (response.statusCode == 302) { for (Header header : response.headers) { if (header != null && HttpHeaders.LOCATION.equalsIgnoreCase(header.getName())) { if (header.getValue().contains("/nocap")) { return null; } else { return downloadCaptcha(fixRelativeUrl(header.getValue()), listener, task); } } } } } finally { if (response != null) response.release(); } return null; } @Override public String sendPost(SendPostModel model, ProgressListener listener, CancellableTask task) throws Exception { String url = getUsingUrl() + model.boardName + "/post.fpl"; ExtendedMultipartBuilder postEntityBuilder = ExtendedMultipartBuilder.create().setDelegates(listener, task); if (model.threadNumber != null) postEntityBuilder.addString("parent", model.threadNumber); postEntityBuilder.addString("task", "post").addString("name", model.name) .addString("email", model.sage ? "sage" : model.email).addString("subject", model.subject) .addString("comment", model.comment).addString("captcha", model.captchaAnswer) .addString("password", model.password); if (model.custommark) postEntityBuilder.addString("addcaptcha", "on"); if (model.attachments != null && model.attachments.length > 0) { postEntityBuilder.addFile("file", model.attachments[0], model.randomHash); } 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"); JSONObject jsonResponse = new JSONObject(htmlResponse); if (jsonResponse.has("error")) { String errorMessage = jsonResponse.getJSONObject("error").optString("text", ""); throw new Exception(errorMessage.replace("<br/?>", "\n")); } } 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 + "/delete.fpl"; List<NameValuePair> pairs = new ArrayList<NameValuePair>(); pairs.add(new BasicNameValuePair("delete", model.postNumber)); pairs.add(new BasicNameValuePair("password", model.password)); HttpRequestModel request = HttpRequestModel.builder().setPOST(new UrlEncodedFormEntity(pairs, "UTF-8")) .setNoRedirect(true).build(); try { String htmlResponse = HttpStreamer.getInstance().getStringFromUrl(url, request, httpClient, listener, task, false); if (htmlResponse.contains("? ")) { throw new Exception("? "); } } catch (HttpWrongStatusCodeException e) { if (e.getStatusCode() == 302) { return null; } throw e; } return null; } @Override public String buildUrl(UrlPageModel model) throws IllegalArgumentException { String url = super.buildUrl(model); if (model.type == UrlPageModel.TYPE_BOARDPAGE) { if (model.boardPage == 0) url += "0.html"; url = url.replace(".html", ".memhtml"); } return url; } @Override public UrlPageModel parseUrl(String url) throws IllegalArgumentException { return super.parseUrl(url.replace(".memhtml", ".html")); } }