Java AuthScheme类代码示例

import org.apache.commons.httpclient.auth.AuthScheme; //导入依赖的package包/类
public Credentials getCredentials(AuthScheme scheme, String host, int port, boolean proxy)
        throws CredentialsNotAvailableException {

    if (Constants.SCHEME.equals(scheme.getSchemeName())) {
        if (signer == null) {
            throw new CredentialsNotAvailableException("SSHKey Signer not available");
        } else {
            return new SignerCredentials(signer);
        }
    } else {
        if (this.delegatee != null) {
            return this.delegatee.getCredentials(scheme, host, port, proxy);
        }
    }
    return null;
}
 

import org.apache.commons.httpclient.auth.AuthScheme; //导入依赖的package包/类
private void authenticateProxy(final HttpMethod method) throws AuthenticationException {
    // Clean up existing authentication headers
    if (!cleanAuthHeaders(method, PROXY_AUTH_RESP)) {
        // User defined authentication header(s) present
        return;
    }
    AuthState authstate = method.getProxyAuthState();
    AuthScheme authscheme = authstate.getAuthScheme();
    if (authscheme == null) {
        return;
    }
    if (authstate.isAuthRequested() || !authscheme.isConnectionBased()) {
        AuthScope authscope = new AuthScope(
            conn.getProxyHost(), conn.getProxyPort(), 
            authscheme.getRealm(), 
            authscheme.getSchemeName());  
        if (LOG.isDebugEnabled()) {
            LOG.debug("Authenticating with " + authscope);
        }
        Credentials credentials = this.state.getProxyCredentials(authscope);
        if (credentials != null) {
            String authstring = authscheme.authenticate(credentials, method);
            if (authstring != null) {
                method.addRequestHeader(new Header(PROXY_AUTH_RESP, authstring, true));
            }
        } else {
            if (LOG.isWarnEnabled()) {
                LOG.warn("Required proxy credentials not available for " + authscope);
                if (method.getProxyAuthState().isPreemptive()) {
                    LOG.warn("Preemptive authentication requested but no default " +
                        "proxy credentials available"); 
                }
            }
        }
    }
}
 

import org.apache.commons.httpclient.auth.AuthScheme; //导入依赖的package包/类
private Credentials promptForCredentials(
    final AuthScheme authScheme,
    final HttpParams params, 
    final AuthScope authscope)
{
    LOG.debug("Credentials required");
    Credentials creds = null;
    CredentialsProvider credProvider = 
        (CredentialsProvider)params.getParameter(CredentialsProvider.PROVIDER);
    if (credProvider != null) {
        try {
            creds = credProvider.getCredentials(
                authScheme, authscope.getHost(), authscope.getPort(), false);
        } catch (CredentialsNotAvailableException e) {
            LOG.warn(e.getMessage());
        }
        if (creds != null) {
            this.state.setCredentials(authscope, creds);
            if (LOG.isDebugEnabled()) {
                LOG.debug(authscope + " new credentials given");
            }
        }
    } else {
        LOG.debug("Credentials provider not available");
    }
    return creds;
}
 

import org.apache.commons.httpclient.auth.AuthScheme; //导入依赖的package包/类
private Credentials promptForProxyCredentials(
    final AuthScheme authScheme,
    final HttpParams params,
    final AuthScope authscope) 
{
    LOG.debug("Proxy credentials required");
    Credentials creds = null;
    CredentialsProvider credProvider = 
        (CredentialsProvider)params.getParameter(CredentialsProvider.PROVIDER);
    if (credProvider != null) {
        try {
            creds = credProvider.getCredentials(
                authScheme, authscope.getHost(), authscope.getPort(), true);
        } catch (CredentialsNotAvailableException e) {
            LOG.warn(e.getMessage());
        }
        if (creds != null) {
            this.state.setProxyCredentials(authscope, creds);
            if (LOG.isDebugEnabled()) {
                LOG.debug(authscope + " new credentials given");
            }
        }
    } else {
        LOG.debug("Proxy credentials provider not available");
    }
    return creds;
}
 

import org.apache.commons.httpclient.auth.AuthScheme; //导入依赖的package包/类
public Credentials getCredentials(AuthScheme scheme, String host, int port, boolean proxy)
        throws CredentialsNotAvailableException {
    if (!proxy) {
        this.hostcount++;
        return provideCredentials(this.hostcount);
    } else {
        this.proxycount++;
        return provideCredentials(this.proxycount);
    }
}
 

import org.apache.commons.httpclient.auth.AuthScheme; //导入依赖的package包/类
private void authenticateHost(final HttpMethod method) throws AuthenticationException {
    // Clean up existing authentication headers
    if (!cleanAuthHeaders(method, WWW_AUTH_RESP)) {
        // User defined authentication header(s) present
        return;
    }
    AuthState authstate = method.getHostAuthState();
    AuthScheme authscheme = authstate.getAuthScheme();
    if (authscheme == null) {
        return;
    }
    if (authstate.isAuthRequested() || !authscheme.isConnectionBased()) {
        String host = method.getParams().getVirtualHost();
        if (host == null) {
            host = conn.getHost();
        }
        int port = conn.getPort();
        AuthScope authscope = new AuthScope(
            host, port, 
            authscheme.getRealm(), 
            authscheme.getSchemeName());  
        if (LOG.isDebugEnabled()) {
            LOG.debug("Authenticating with " + authscope);
        }
        Credentials credentials = this.state.getCredentials(authscope);
        if (credentials != null) {
            String authstring = authscheme.authenticate(credentials, method);
            if (authstring != null) {
                method.addRequestHeader(new Header(WWW_AUTH_RESP, authstring, true));
            }
        } else {
            if (LOG.isWarnEnabled()) {
                LOG.warn("Required credentials not available for " + authscope);
                if (method.getHostAuthState().isPreemptive()) {
                    LOG.warn("Preemptive authentication requested but no default " +
                        "credentials available"); 
                }
            }
        }
    }
}