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110 changes: 110 additions & 0 deletions
110
instautils/src/main/java/com/sanjaydevtech/instautils/InstaScraper.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,110 @@ | ||
| package com.sanjaydevtech.instautils; | ||
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| import android.app.Activity; | ||
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| import org.jsoup.Jsoup; | ||
| import org.jsoup.nodes.DataNode; | ||
| import org.jsoup.nodes.Document; | ||
| import org.jsoup.nodes.Element; | ||
| import org.jsoup.select.Elements; | ||
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| import java.io.IOException; | ||
| import java.util.regex.Matcher; | ||
| import java.util.regex.Pattern; | ||
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| /** | ||
| * InstaScraper class for downloading dp | ||
| */ | ||
| public class InstaScraper { | ||
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| private static final String DP_URL = "^(https://(www\\.)?instagram\\.com/[0-9a-zA-Z_.]+)"; | ||
| private static final String NOISE = "\\u0026"; | ||
| private static final String PROFILE_HD_PATTERN = "\"profile_pic_url_hd\":\"([^\"]*)\""; | ||
| private static final String PROFILE_PATTERN = "\"profile_pic_url\":\"([^\"]*)\""; | ||
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| InstaScraper() { | ||
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| } | ||
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| /** | ||
| * To retrieve Instagram profile | ||
| * | ||
| * @param activity Current activity | ||
| * @param url Url of the instagram profile | ||
| * @param response InstaResponse instance | ||
| * @throws NullPointerException Throws if no InstaResponse is attached | ||
| */ | ||
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| public static void getDP(final Activity activity, final String url, final InstaResponse response) throws NullPointerException { | ||
| if (response == null) { | ||
| throw new NullPointerException("No InstaResponse Listener is attached"); | ||
| } | ||
| new Thread() { | ||
| @Override | ||
| public void run() { | ||
| try { | ||
| boolean isData = false; | ||
| Document document = Jsoup.connect(url).userAgent("Mozilla/5.0").get(); | ||
| Elements scripts = document.getElementsByTag("script"); | ||
| for (Element script : scripts) { | ||
| if (isData) { | ||
| break; | ||
| } | ||
| for (DataNode dataNode : script.dataNodes()) { | ||
| String scriptData = dataNode.getWholeData().trim(); | ||
| if (scriptData.startsWith("window._sharedData")) { | ||
| String profilePicHD = matchPattern(scriptData, PROFILE_HD_PATTERN); | ||
| String profilePic = matchPattern(scriptData, PROFILE_PATTERN); | ||
| if (profilePicHD != null) { | ||
| profilePicHD = profilePicHD.replace(NOISE, "&"); | ||
| } | ||
| if (profilePic != null) { | ||
| profilePic = profilePic.replace(NOISE, "&"); | ||
| } | ||
| final String finalProfilePicHD = profilePicHD; | ||
| final String finalProfilePic = profilePic; | ||
| activity.runOnUiThread(new Runnable() { | ||
| @Override | ||
| public void run() { | ||
| response.onResponse(new InstaPost(finalProfilePicHD, InstaPost.INSTA_PROFILE, finalProfilePic)); | ||
| } | ||
| }); | ||
| isData = true; | ||
| break; | ||
| } | ||
| } | ||
| } | ||
| if (!isData) { | ||
| activity.runOnUiThread(new Runnable() { | ||
| @Override | ||
| public void run() { | ||
| response.onError(new NullPointerException("No data resource found")); | ||
| } | ||
| }); | ||
| } | ||
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| } catch (final IOException e) { | ||
| activity.runOnUiThread(new Runnable() { | ||
| @Override | ||
| public void run() { | ||
| response.onError(e); | ||
| } | ||
| }); | ||
| } | ||
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| } | ||
| }.start(); | ||
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| } | ||
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| private static String matchPattern(String data, String patTxt) { | ||
| Pattern pattern = Pattern.compile(patTxt); | ||
| Matcher matcher = pattern.matcher(data); | ||
| boolean patMatch = matcher.find(); | ||
| if (!patMatch) { | ||
| return null; | ||
| } | ||
| return matcher.group(1); | ||
| } | ||
| } |