Example usage for org.apache.http.client AuthenticationStrategy select

Introduction

In this page you can find the example usage for org.apache.http.client AuthenticationStrategy select.

Prototype

Queue<AuthOption> select(Map<String, Header> challenges, HttpHost authhost, HttpResponse response,
        HttpContext context) throws MalformedChallengeException;

Source Link

Document

Selects one authentication challenge out of all available and creates and generates AuthOption instance capable of processing that challenge.

Usage

From source file:org.callimachusproject.client.HttpAuthenticator.java

private boolean handleAuthChallenge(final HttpHost host, final HttpResponse response,
        final AuthenticationStrategy authStrategy, final AuthState authState, final HttpContext context) {
    try {/*from  w  ww  .j  av a 2 s .c  om*/
        if (this.log.isDebugEnabled()) {
            this.log.debug(host.toHostString() + " requested authentication");
        }
        final Map<String, Header> challenges = authStrategy.getChallenges(host, response, context);
        if (challenges.isEmpty()) {
            this.log.debug("Response contains no authentication challenges");
            return false;
        }

        final AuthScheme authScheme = authState.getAuthScheme();
        switch (authState.getState()) {
        case FAILURE:
            return false;
        case SUCCESS:
            authState.reset();
            break;
        case CHALLENGED:
        case HANDSHAKE:
            if (authScheme == null) {
                this.log.debug("Auth scheme is null");
                authStrategy.authFailed(host, null, context);
                authState.reset();
                authState.setState(AuthProtocolState.FAILURE);
                return false;
            }
        case UNCHALLENGED:
            if (authScheme != null) {
                final String id = authScheme.getSchemeName();
                final Header challenge = challenges.get(id.toLowerCase(Locale.US));
                if (challenge != null) {
                    this.log.debug("Authorization challenge processed");
                    authScheme.processChallenge(challenge);
                    if (authScheme.isComplete()) {
                        this.log.debug("Authentication failed");
                        authStrategy.authFailed(host, authState.getAuthScheme(), context);
                        authState.reset();
                        authState.setState(AuthProtocolState.FAILURE);
                        return false;
                    } else {
                        authState.setState(AuthProtocolState.HANDSHAKE);
                        return true;
                    }
                } else {
                    authState.reset();
                    // Retry authentication with a different scheme
                }
            }
        }
        final Queue<AuthOption> authOptions = authStrategy.select(challenges, host, response, context);
        if (authOptions != null && !authOptions.isEmpty()) {
            if (this.log.isDebugEnabled()) {
                this.log.debug("Selected authentication options: " + authOptions);
            }
            authState.setState(AuthProtocolState.CHALLENGED);
            authState.update(authOptions);
            return true;
        } else {
            return false;
        }
    } catch (final MalformedChallengeException ex) {
        if (this.log.isWarnEnabled()) {
            this.log.warn("Malformed challenge: " + ex.getMessage());
        }
        authState.reset();
        return false;
    }
}

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From source file:org.apache.http.impl.auth.HttpAuthenticator.java

public boolean handleAuthChallenge(final HttpHost host, final HttpResponse response,
        final AuthenticationStrategy authStrategy, final AuthState authState, final HttpContext context) {
    try {//from   w  ww  .  j  a  v a2s.c  om
        if (this.log.isDebugEnabled()) {
            this.log.debug(host.toHostString() + " requested authentication");
        }
        final Map<String, Header> challenges = authStrategy.getChallenges(host, response, context);
        if (challenges.isEmpty()) {
            this.log.debug("Response contains no authentication challenges");
            return false;
        }

        final AuthScheme authScheme = authState.getAuthScheme();
        switch (authState.getState()) {
        case FAILURE:
            return false;
        case SUCCESS:
            authState.reset();
            break;
        case CHALLENGED:
        case HANDSHAKE:
            if (authScheme == null) {
                this.log.debug("Auth scheme is null");
                authStrategy.authFailed(host, null, context);
                authState.reset();
                authState.setState(AuthProtocolState.FAILURE);
                return false;
            }
        case UNCHALLENGED:
            if (authScheme != null) {
                final String id = authScheme.getSchemeName();
                final Header challenge = challenges.get(id.toLowerCase(Locale.US));
                if (challenge != null) {
                    this.log.debug("Authorization challenge processed");
                    authScheme.processChallenge(challenge);
                    if (authScheme.isComplete()) {
                        this.log.debug("Authentication failed");
                        authStrategy.authFailed(host, authState.getAuthScheme(), context);
                        authState.reset();
                        authState.setState(AuthProtocolState.FAILURE);
                        return false;
                    } else {
                        authState.setState(AuthProtocolState.HANDSHAKE);
                        return true;
                    }
                } else {
                    authState.reset();
                    // Retry authentication with a different scheme
                }
            }
        }
        final Queue<AuthOption> authOptions = authStrategy.select(challenges, host, response, context);
        if (authOptions != null && !authOptions.isEmpty()) {
            if (this.log.isDebugEnabled()) {
                this.log.debug("Selected authentication options: " + authOptions);
            }
            authState.setState(AuthProtocolState.CHALLENGED);
            authState.update(authOptions);
            return true;
        } else {
            return false;
        }
    } catch (final MalformedChallengeException ex) {
        if (this.log.isWarnEnabled()) {
            this.log.warn("Malformed challenge: " + ex.getMessage());
        }
        authState.reset();
        return false;
    }
}

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