jp.gopay.sdk.models.common.auth.AuthHeader Maven / Gradle / Ivy

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Official Gyro-n Payments Java SDK

There is a newer version: 0.11.17

package jp.gopay.sdk.models.common.auth;

import jp.gopay.sdk.types.AuthType;

import java.io.IOException;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class AuthHeader {

    private String value;
    private AuthType authType;

    public AuthHeader(String value, AuthType authType) {
        this.value = value;
        this.authType = authType;
    }

    private AuthHeader() {
        this.authType = AuthType.NO_AUTH_HEADER;
    }

    public String getValue(){
        if(authType == AuthType.NO_AUTH_HEADER){
            return "";
        } else {
            return authType.getPrefix() + " " + value;
        }
    }

    public AuthType getAuthType() {
        return authType;
    }

    public static AuthHeader unauthenticated(){
        return new AuthHeader();
    }

    public static Pattern jwtHeaderPattern = Pattern.compile("\\s*Bearer ([a-zA-Z0-9\\-_.]+)");

    /**
     *
     * @param headerValue For example: Bearer eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9
     * @return the token (for example: eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9)
     */
    public static String parseValueFromJWTHeader(String headerValue) throws IOException {
        Matcher matcher = jwtHeaderPattern.matcher(headerValue);
        if(matcher.matches()){
            return matcher.group(1);
        } else throw new IOException("Authentication header does not have the correct format for JWT authentication");
    }

}