Add emojicaptchaprovider to solve emoji_captcha type captchas from 2ch.hk

Author: Sweetsound

extensions/dvach/res/values-ru/strings.xml

@@ -2,4 +2,5 @@
 
 <resources>
     <string name="preference_captcha_full_keyboard">Использовать полную клавиатуру для капчи</string>
+    <string name="emoji_captcha_input">Выберите все символы на картинке (в любом порядке)</string>
 </resources>

extensions/dvach/res/values/strings.xml

@@ -2,4 +2,5 @@
 
 <resources>
     <string name="preference_captcha_full_keyboard">Use full keyboard for captcha</string>
+    <string name="emoji_captcha_input">Select all icons from the picture (any order)</string>
 </resources>

extensions/dvach/src/com/mishiranu/dashchan/chan/dvach/DvachChanConfiguration.java

@@ -17,12 +17,14 @@
 
 public class DvachChanConfiguration extends ChanConfiguration {
 	public static final String CAPTCHA_TYPE_2CH_CAPTCHA = "2ch_captcha";
+	public static final String CAPTCHA_TYPE_2CH_EMOJI_CAPTCHA = "emoji_captcha";
 
 	public static final Map<String, String> CAPTCHA_TYPES;
 
 	static {
 		Map<String, String> captchaTypes = new LinkedHashMap<>();
 		captchaTypes.put(CAPTCHA_TYPE_2CH_CAPTCHA, "2chcaptcha");
+		captchaTypes.put(CAPTCHA_TYPE_2CH_EMOJI_CAPTCHA, "emoji");
 		captchaTypes.put(CAPTCHA_TYPE_RECAPTCHA_2, "recaptcha");
 		captchaTypes.put(CAPTCHA_TYPE_RECAPTCHA_2_INVISIBLE, "invisible_recaptcha");
 		CAPTCHA_TYPES = Collections.unmodifiableMap(captchaTypes);
@@ -69,15 +71,23 @@ public Board obtainBoardConfiguration(String boardName) {
 
 	@Override
 	public Captcha obtainCustomCaptchaConfiguration(String captchaType) {
-		if (CAPTCHA_TYPE_2CH_CAPTCHA.equals(captchaType)) {
-			Captcha captcha = new Captcha();
-			captcha.title = "2ch Captcha";
-			captcha.input = Captcha.Input.ALL;
-			captcha.validity = Captcha.Validity.IN_THREAD;
-			captcha.ttl = CAPTCHA_TTL;
-			return captcha;
+		Captcha captcha = new Captcha();
+		switch (captchaType) {
+			case CAPTCHA_TYPE_2CH_CAPTCHA:
+				captcha.title = "2ch Captcha";
+				captcha.input = Captcha.Input.ALL;
+				captcha.validity = Captcha.Validity.IN_THREAD;
+				captcha.ttl = CAPTCHA_TTL;
+				return captcha;
+			case CAPTCHA_TYPE_2CH_EMOJI_CAPTCHA:
+				captcha.title = "Emoji Captcha";
+				captcha.input = Captcha.Input.ALL;
+				captcha.validity = Captcha.Validity.IN_THREAD;
+				captcha.ttl = CAPTCHA_TTL;
+				return captcha;
+			default:
+				return null;
 		}
-		return null;
 	}
 
 	@Override

extensions/dvach/src/com/mishiranu/dashchan/chan/dvach/DvachChanPerformer.java

@@ -1016,7 +1016,25 @@ private ReadCaptchaResult onReadCaptcha(ReadCaptchaData data, String captchaPass
 						}
 					}
 
-				} else if (DvachChanConfiguration.CAPTCHA_TYPE_RECAPTCHA_2.equals(data.captchaType) ||
+				} else if (DvachChanConfiguration.CAPTCHA_TYPE_2CH_EMOJI_CAPTCHA.equals(data.captchaType)) {
+                    if (data.mayShowLoadButton) {
+                        return new ReadCaptchaResult(CaptchaState.NEED_LOAD, null);
+                    }
+                    DvachEmojiCaptchaProvider.DvachEmojiCaptchaAnswerRetriever retriever =
+                            (Bitmap task, Bitmap[] keyboardImages) -> {
+								try {
+									return requireUserImageSingleChoice(-1,
+											keyboardImages,
+											configuration.getResources().getString(
+													R.string.emoji_captcha_input),
+											task);
+								} catch (HttpException e) {
+									return -1;
+								}
+							};
+                    return new DvachEmojiCaptchaProvider(data, locator, id, retriever)
+                            .loadEmojiCaptcha();
+                }  else if (DvachChanConfiguration.CAPTCHA_TYPE_RECAPTCHA_2.equals(data.captchaType) ||
 						DvachChanConfiguration.CAPTCHA_TYPE_RECAPTCHA_2_INVISIBLE.equals(data.captchaType)) {
 					result = new ReadCaptchaResult(CaptchaState.CAPTCHA, captchaData);
 					captchaData.put(CaptchaData.API_KEY, id);
@@ -1091,14 +1109,19 @@ public SendPostResult onSendPost(SendPostData data) throws HttpException, ApiExc
 			String challenge = data.captchaData.get(CaptchaData.CHALLENGE);
 			String input = StringUtils.emptyIfNull(data.captchaData.get(CaptchaData.INPUT));
 
-			String remoteCaptchaType = DvachChanConfiguration.CAPTCHA_TYPES.get(data.captchaType);
-			if (remoteCaptchaType != null) {
-				entity.add("captcha_type", remoteCaptchaType);
+			if (!DvachChanConfiguration.CAPTCHA_TYPE_2CH_EMOJI_CAPTCHA.equals(data.captchaType)) {
+				String remoteCaptchaType = DvachChanConfiguration.CAPTCHA_TYPES.get(data.captchaType);
+				if (remoteCaptchaType != null) {
+					entity.add("captcha_type", remoteCaptchaType);
+				}
 			}
 			if (DvachChanConfiguration.CAPTCHA_TYPE_2CH_CAPTCHA.equals(data.captchaType)) {
 				entity.add("2chcaptcha_id", challenge);
 				entity.add("2chcaptcha_value", input);
-			} else if (DvachChanConfiguration.CAPTCHA_TYPE_RECAPTCHA_2.equals(data.captchaType) ||
+			} else if (DvachChanConfiguration.CAPTCHA_TYPE_2CH_EMOJI_CAPTCHA.equals(data.captchaType)) {
+				entity.add("captcha_type", DvachChanConfiguration.CAPTCHA_TYPE_2CH_EMOJI_CAPTCHA);
+                entity.add("emoji_captcha_id", challenge);
+            } else if (DvachChanConfiguration.CAPTCHA_TYPE_RECAPTCHA_2.equals(data.captchaType) ||
 					DvachChanConfiguration.CAPTCHA_TYPE_RECAPTCHA_2_INVISIBLE.equals(data.captchaType)) {
 				entity.add("g-recaptcha-response", input);
 			}