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# Block advertisers, facebook products, and cryptominer scripts
# into a new file which can replace /etc/hosts.

# Make a dir to store the to-be downloaded files.
mkdir /etc/hosts.d/blocked
cp /etc/hosts /etc/hosts.d/blocked/previous-hosts-contents.txt
cd /etc/hosts.d/blocked

# Download block lists directly from officially maintained repositories.
curl -o adservers.txt https://raw.githubusercontent.com/anudeepND/blacklist/master/adservers.txt

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import io.jsonwebtoken.MalformedJwtException;
import java.time.Instant;

@AllArgsConstructor
@Getter(AccessLevel.PROTECTED)
@Slf4j
public abstract class AbstractSimpleJWTValidator implements JWTValidator {

    private String jwtToken;
    private String localKeyId;

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/** Correct usage of a PageImpl which will return proper Pageable information. **/
private <T> PageImpl<T> asPageable(List<T> theList, Pageable page) {
        return new PageImpl<>(theList, page, theList.size());
}

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[user]
	name = K
	email = [email protected]

[alias]
	cp = cherry-pick
	co = checkout

	s = status
	sb = status -sb

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[alias]
	l = log --oneline --abbrev-commit --reverse --date=short --pretty="%C(Yellow)%h %C(reset)%ad (%C(Green)%cr%C(reset))%x09 %C(Cyan)%an: %C(reset)%s"'

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    static URI buildUri(String baseUrl, LinkedHashMap<String, String> pathParams, LinkedHashMap<String, String> queryParams) {
        StringBuilder sb = new StringBuilder(baseUrl);
        if (Objects.nonNull(pathParams))
            sb.append("/").append(String.join("/", pathParams.values()));
        if (Objects.nonNull(queryParams)) {
            List<String> keyValueStrings = queryParams.entrySet().stream().map(
                e -> e.getKey() + "=" + e.getValue()).collect(Collectors.toUnmodifiableList());
            sb.append("?").append(String.join("&", keyValueStrings));
        }
        return URI.create(sb.toString());

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static byte[] decodeBase64(String encoded) {
   return Base64.getDecoder().decode(encoded);
}

static String[] decodeJwt(String encodedIdToken) {
        String[] splitIdToken = encodedIdToken.split("\\.");
        String header = new String(decodeBase64(splitIdToken[0]));
        String payload = new String(decodeBase64(splitIdToken[1]));
        String signature = splitIdToken[2];  // decode this for later, kept on having decode errors
        return {header, payload, signature};

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    /** Generates random string non-case-sensitive alphanumeric, and special chars **/
    public static String generateCommonLangRandomString() {
        String upperCaseLetters = RandomStringUtils.random(4, 65, 90, true, true);
        String lowerCaseLetters = RandomStringUtils.random(4, 97, 122, true, true);
        String numbers = RandomStringUtils.randomNumeric(4);
        String specialChar = RandomStringUtils.random(2, 33, 47, false, false);
        String totalChars = RandomStringUtils.randomAlphanumeric(2);
        String combinedChars = upperCaseLetters.concat(lowerCaseLetters).concat(numbers)
            .concat(specialChar)
            .concat(totalChars);

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import lombok.Getter;
import lombok.Setter;
import lombok.extern.slf4j.Slf4j;
import okhttp3.OkHttpClient;
import retrofit2.Retrofit;
import retrofit2.converter.jackson.JacksonConverterFactory;

import java.net.Authenticator;
import java.net.InetSocketAddress;
import java.net.PasswordAuthentication;

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import java.util.List;
import org.mapstruct.BeanMapping;
import org.mapstruct.MappingTarget;
import org.mapstruct.Named;
import org.mapstruct.NullValuePropertyMappingStrategy;

/**
 * Contract for a generic dto to entity mapper.
 *
 * @param <D> - DTO type parameter.