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Add initial username link screen + QR code generation.

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This commit is contained in:
Greyson Parrelli
2023-03-29 14:39:41 -04:00
committed by Alex Hart
parent e0c06615fb
commit 855e194baa
30 changed files with 1367 additions and 27 deletions
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11
app/src/main/java/org/thoughtcrime/securesms/util/UsernameUtil.java
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@@ -32,6 +32,10 @@ public class UsernameUtil {
private static final Pattern FULL_PATTERN = Pattern.compile(String.format(Locale.US, "^[a-zA-Z_][a-zA-Z0-9_]{%d,%d}$", MIN_LENGTH - 1, MAX_LENGTH - 1), Pattern.CASE_INSENSITIVE);
private static final Pattern DIGIT_START_PATTERN = Pattern.compile("^[0-9].*$");
private static final String BASE_URL_SCHEMELESS = "signal.me/#u/";
private static final String BASE_URL = "https://" + BASE_URL_SCHEMELESS;
public static boolean isValidUsernameForSearch(@Nullable String value) {
return !TextUtils.isEmpty(value) && !DIGIT_START_PATTERN.matcher(value).matches();
}
@@ -87,6 +91,13 @@ public class UsernameUtil {
}
}
public static String generateLink(String username) throws BaseUsernameException {
byte[] hash = Username.hash(username);
String base64 = Base64UrlSafe.encodeBytesWithoutPadding(hash);
return BASE_URL + base64;
}
public enum InvalidReason {
TOO_SHORT, TOO_LONG, INVALID_CHARACTERS, STARTS_WITH_NUMBER
}