org.springframework.security.oauth2.provider.code.RandomValueAuthorizationCodeServices.java Source code

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Here is the source code for org.springframework.security.oauth2.provider.code.RandomValueAuthorizationCodeServices.java

Source

package org.springframework.security.oauth2.provider.code;

import org.springframework.security.oauth2.common.exceptions.InvalidGrantException;
import org.springframework.security.oauth2.common.util.RandomValueStringGenerator;
import org.springframework.security.oauth2.provider.OAuth2Authentication;

/**
 * Base implementation for authorization code services that generates a random-value authorization code.
 * 
 * @author Ryan Heaton
 * @author Dave Syer
 */
public abstract class RandomValueAuthorizationCodeServices implements AuthorizationCodeServices {

    private RandomValueStringGenerator generator = new RandomValueStringGenerator();

    protected abstract void store(String code, OAuth2Authentication authentication);

    protected abstract OAuth2Authentication remove(String code);

    public String createAuthorizationCode(OAuth2Authentication authentication) {
        String code = generator.generate();
        store(code, authentication);
        return code;
    }

    public OAuth2Authentication consumeAuthorizationCode(String code) throws InvalidGrantException {
        OAuth2Authentication auth = this.remove(code);
        if (auth == null) {
            throw new InvalidGrantException("Invalid authorization code: " + code);
        }
        return auth;
    }

}