Java AuthState.getAuthScheme方法代码示例

import ch.boye.httpclientandroidlib.auth.AuthState; //导入方法依赖的package包/类
private boolean isCachable(final AuthState authState) {
    final AuthScheme authScheme = authState.getAuthScheme();
    if (authScheme == null || !authScheme.isComplete()) {
        return false;
    }
    final String schemeName = authScheme.getSchemeName();
    return schemeName.equalsIgnoreCase(AuthPolicy.BASIC) ||
            schemeName.equalsIgnoreCase(AuthPolicy.DIGEST);
}
 

import ch.boye.httpclientandroidlib.auth.AuthState; //导入方法依赖的package包/类
private static Principal getAuthPrincipal(final AuthState authState) {
    final AuthScheme scheme = authState.getAuthScheme();
    if (scheme != null && scheme.isComplete() && scheme.isConnectionBased()) {
        final Credentials creds = authState.getCredentials();
        if (creds != null) {
            return creds.getUserPrincipal();
        }
    }
    return null;
}
 

import ch.boye.httpclientandroidlib.auth.AuthState; //导入方法依赖的package包/类
public void process(final HttpRequest request, final HttpContext context) throws HttpException, IOException {
    AuthState authState = (AuthState) context.getAttribute(ClientContext.TARGET_AUTH_STATE);
    CredentialsProvider credsProvider = (CredentialsProvider) context.getAttribute(
            ClientContext.CREDS_PROVIDER);
    HttpHost targetHost = (HttpHost) context.getAttribute(ExecutionContext.HTTP_TARGET_HOST);
    
    if (authState.getAuthScheme() == null) {
        AuthScope authScope = new AuthScope(targetHost.getHostName(), targetHost.getPort());
        Credentials creds = credsProvider.getCredentials(authScope);
        if (creds != null) {
            authState.setAuthScheme(new BasicScheme());
            authState.setCredentials(creds);
        }
    }
}
 

import ch.boye.httpclientandroidlib.auth.AuthState; //导入方法依赖的package包/类
public boolean handleAuthChallenge(
        final HttpHost host,
        final HttpResponse response,
        final AuthenticationStrategy authStrategy,
        final AuthState authState,
        final HttpContext context) {
    try {
        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.ENGLISH));
                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;
    }
}