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Code Issues Releases Wiki Activity

update signing mechanism

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This commit is contained in:
Austin Huang 2021-03-17 14:13:04 -04:00
parent 13200f3f1d
commit 9b0fea6906
No known key found for this signature in database
GPG Key ID: 84C23AA04587A91F
2 changed files with 35 additions and 34 deletions
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18
app/src/main/java/awais/instagrabber/utils/Constants.java
View File

@ -62,15 +62,15 @@ public final class Constants {
public static final int DM_CHECK_NOTIFICATION_ID = 11;
// see https://github.com/dilame/instagram-private-api/blob/master/src/core/constants.ts
public static final String SUPPORTED_CAPABILITIES = "[ { \"name\": \"SUPPORTED_SDK_VERSIONS\", \"value\":" +
" \"13.0,14.0,15.0,16.0,17.0,18.0,19.0,20.0,21.0,22.0,23.0,24.0,25.0,26.0,27.0,28.0,29.0,30.0,31.0," +
"32.0,33.0,34.0,35.0,36.0,37.0,38.0,39.0,40.0,41.0,42.0,43.0,44.0,45.0,46.0,47.0,48.0,49.0,50.0,51.0," +
"52.0,53.0,54.0,55.0,56.0,57.0,58.0,59.0,60.0,61.0,62.0,63.0,64.0,65.0,66.0\" }, { \"name\": \"FACE_TRACKER_VERSION\", " +
"\"value\": 12 }, { \"name\": \"segmentation\", \"value\": \"segmentation_enabled\" }, { \"name\": \"COMPRESSION\", " +
"\"value\": \"ETC2_COMPRESSION\" }, { \"name\": \"world_tracker\", \"value\": \"world_tracker_enabled\" }, { \"name\": " +
"\"gyroscope\", \"value\": \"gyroscope_enabled\" } ]";
public static final String SIGNATURE_VERSION = "4";
public static final String SIGNATURE_KEY = "9193488027538fd3450b83b7d05286d4ca9599a0f7eeed90d8c85925698a05dc";
// public static final String SUPPORTED_CAPABILITIES = "[ { \"name\": \"SUPPORTED_SDK_VERSIONS\", \"value\":" +
// " \"13.0,14.0,15.0,16.0,17.0,18.0,19.0,20.0,21.0,22.0,23.0,24.0,25.0,26.0,27.0,28.0,29.0,30.0,31.0," +
// "32.0,33.0,34.0,35.0,36.0,37.0,38.0,39.0,40.0,41.0,42.0,43.0,44.0,45.0,46.0,47.0,48.0,49.0,50.0,51.0," +
// "52.0,53.0,54.0,55.0,56.0,57.0,58.0,59.0,60.0,61.0,62.0,63.0,64.0,65.0,66.0\" }, { \"name\": \"FACE_TRACKER_VERSION\", " +
// "\"value\": 12 }, { \"name\": \"segmentation\", \"value\": \"segmentation_enabled\" }, { \"name\": \"COMPRESSION\", " +
// "\"value\": \"ETC2_COMPRESSION\" }, { \"name\": \"world_tracker\", \"value\": \"world_tracker_enabled\" }, { \"name\": " +
// "\"gyroscope\", \"value\": \"gyroscope_enabled\" } ]";
// public static final String SIGNATURE_VERSION = "4";
// public static final String SIGNATURE_KEY = "9193488027538fd3450b83b7d05286d4ca9599a0f7eeed90d8c85925698a05dc";
public static final String BREADCRUMB_KEY = "iN4$aGr0m";
public static final int LOGIN_RESULT_CODE = 5000;
public static final String FDROID_SHA1_FINGERPRINT = "C1661EB8FD09F618307E687786D5E5056F65084D";

51
app/src/main/java/awais/instagrabber/utils/Utils.java
View File

@ -50,8 +50,8 @@ import java.text.SimpleDateFormat;
import java.util.HashMap;
import java.util.Map;
import javax.crypto.Mac;
import javax.crypto.spec.SecretKeySpec;
//import javax.crypto.Mac;
//import javax.crypto.spec.SecretKeySpec;
import awais.instagrabber.R;
import awais.instagrabber.models.PostsLayoutPreferences;
@ -93,33 +93,34 @@ public final class Utils {
}
public static Map<String, String> sign(final Map<String, Object> form) {
final String signed = sign(Constants.SIGNATURE_KEY, new JSONObject(form).toString());
if (signed == null) {
return null;
}
// final String signed = sign(Constants.SIGNATURE_KEY, new JSONObject(form).toString());
// if (signed == null) {
// return null;
// }
final Map<String, String> map = new HashMap<>();
map.put("ig_sig_key_version", Constants.SIGNATURE_VERSION);
map.put("signed_body", signed);
// map.put("ig_sig_key_version", Constants.SIGNATURE_VERSION);
// map.put("signed_body", signed);
map.put("signed_body", "SIGNATURE." + new JSONObject(form).toString());
return map;
}
public static String sign(final String key, final String message) {
try {
final Mac hasher = Mac.getInstance("HmacSHA256");
hasher.init(new SecretKeySpec(key.getBytes(), "HmacSHA256"));
byte[] hash = hasher.doFinal(message.getBytes());
final StringBuilder hexString = new StringBuilder();
for (byte b : hash) {
final String hex = Integer.toHexString(0xff & b);
if (hex.length() == 1) hexString.append('0');
hexString.append(hex);
}
return hexString.toString() + "." + message;
} catch (Exception e) {
Log.e(TAG, "Error signing", e);
return null;
}
}
// public static String sign(final String key, final String message) {
// try {
// final Mac hasher = Mac.getInstance("HmacSHA256");
// hasher.init(new SecretKeySpec(key.getBytes(), "HmacSHA256"));
// byte[] hash = hasher.doFinal(message.getBytes());
// final StringBuilder hexString = new StringBuilder();
// for (byte b : hash) {
// final String hex = Integer.toHexString(0xff & b);
// if (hex.length() == 1) hexString.append('0');
// hexString.append(hex);
// }
// return hexString.toString() + "." + message;
// } catch (Exception e) {
// Log.e(TAG, "Error signing", e);
// return null;
// }
// }
public static String getMimeType(@NonNull final Uri uri, final ContentResolver contentResolver) {
String mimeType;