Package org.apache.http.auth

Examples of org.apache.http.auth.AuthState

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        if (request.containsHeader(AUTH.WWW_AUTH_RESP)) {
            return;
        }
       
        // Obtain authentication state
        AuthState authState = (AuthState) context.getAttribute(
                ClientContext.TARGET_AUTH_STATE);
        if (authState == null) {
            return;
        }

        AuthScheme authScheme = authState.getAuthScheme();
        if (authScheme == null) {
            return;
        }
       
        Credentials creds = authState.getCredentials();
        if (creds == null) {
            this.log.debug("User credentials not available");
            return;
        }

        if (authState.getAuthScope() != null || !authScheme.isConnectionBased()) {
            try {
                request.addHeader(authScheme.authenticate(creds, request));
            } catch (AuthenticationException ex) {
                if (this.log.isErrorEnabled()) {
                    this.log.error("Authentication error: " + ex.getMessage());
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        if (request.containsHeader(AUTH.PROXY_AUTH_RESP)) {
            return;
        }
       
        // Obtain authentication state
        AuthState authState = (AuthState) context.getAttribute(
                ClientContext.PROXY_AUTH_STATE);
        if (authState == null) {
            return;
        }

        AuthScheme authScheme = authState.getAuthScheme();
        if (authScheme == null) {
            return;
        }
       
        Credentials creds = authState.getCredentials();
        if (creds == null) {
            this.log.debug("User credentials not available");
            return;
        }
        if (authState.getAuthScope() != null || !authScheme.isConnectionBased()) {
            try {
                request.addHeader(authScheme.authenticate(creds, request));
            } catch (AuthenticationException ex) {
                if (this.log.isErrorEnabled()) {
                    this.log.error("Proxy authentication error: " + ex.getMessage());
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    public Object getUserToken(final HttpContext context) {
       
        Principal userPrincipal = null;
       
        AuthState targetAuthState = (AuthState) context.getAttribute(
                ClientContext.TARGET_AUTH_STATE);
        if (targetAuthState != null) {
            userPrincipal = getAuthPrincipal(targetAuthState);
            if (userPrincipal == null) {
                AuthState proxyAuthState = (AuthState) context.getAttribute(
                        ClientContext.PROXY_AUTH_STATE);
                userPrincipal = getAuthPrincipal(proxyAuthState);
            }
        }
       
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        this.managedConn       = null;
       
        this.redirectCount = 0;
        this.maxRedirects = this.params.getIntParameter(ClientPNames.MAX_REDIRECTS, 100);
        this.targetAuthState = new AuthState();
        this.proxyAuthState = new AuthState();
    } // constructor
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            HttpRequestInterceptor {

        public void process(HttpRequest request, 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 not auth scheme has been initialized yet
            if (authState.getAuthScheme() == null) {
                AuthScope authScope =
                    new AuthScope(targetHost.getHostName(), targetHost.getPort());

                // Obtain credentials matching the target host
                Credentials creds = credsProvider.getCredentials(authScope);

                // If found, generate BasicScheme preemptively
                if(creds != null) {
                    authState.setAuthScheme(new BasicScheme());
                    authState.setCredentials(creds);
                }
            }
        }
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/** It's not like httpclient 4.1 makes this simple... */
class PreemptiveAuthInterceptor implements HttpRequestInterceptor {

    public void process(HttpRequest request, 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 not auth scheme has been initialized yet
        if (authState.getAuthScheme() == null) {
            AuthScope authScope = new AuthScope(targetHost.getHostName(), targetHost.getPort());

            // Obtain credentials matching the target host
            Credentials creds = credsProvider.getCredentials(authScope);

            // If found, generate BasicScheme preemptively
            if (creds != null) {
                authState.setAuthScheme(new BasicScheme());
                authState.setCredentials(creds);
            }
        }
    }
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        this.managedConn       = null;

        this.execCount = 0;
        this.redirectCount = 0;
        this.maxRedirects = this.params.getIntParameter(ClientPNames.MAX_REDIRECTS, 100);
        this.targetAuthState = new AuthState();
        this.proxyAuthState = new AuthState();
    } // constructor
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   static class PreemptiveAuth implements HttpRequestInterceptor
   {
      public void process(final HttpRequest request, final HttpContext context) throws HttpException, IOException
      {
         AuthState authState = (AuthState) context.getAttribute(ClientContext.TARGET_AUTH_STATE);

         // If no auth scheme available yet, try to initialize it preemptively
         if (authState.getAuthScheme() == null) {
            AuthScheme authScheme = (AuthScheme) context.getAttribute("preemptive-auth");
            CredentialsProvider credsProvider = (CredentialsProvider) context.getAttribute(ClientContext.CREDS_PROVIDER);
            HttpHost targetHost = (HttpHost) context.getAttribute(ExecutionContext.HTTP_TARGET_HOST);
            if (authScheme != null) {
               Credentials creds = credsProvider.getCredentials(new AuthScope(targetHost.getHostName(), targetHost.getPort()));
               if (creds == null) {
                  throw new HttpException("No credentials for preemptive authentication");
               }
               authState.setAuthScheme(authScheme);
               authState.setCredentials(creds);
            }
         }
      }
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                this.log.debug("[exchange: " + state.getId() + "] Attempt " + state.getExecCount() +
                    " to execute request");
            }

            if (!currentRequest.containsHeader(AUTH.WWW_AUTH_RESP)) {
                final AuthState targetAuthState = localContext.getTargetAuthState();
                if (this.log.isDebugEnabled()) {
                    this.log.debug("Target auth state: " + targetAuthState.getState());
                }
                this.authenticator.generateAuthResponse(currentRequest, targetAuthState, localContext);
            }
            if (!currentRequest.containsHeader(AUTH.PROXY_AUTH_RESP) && !route.isTunnelled()) {
                final AuthState proxyAuthState = localContext.getProxyAuthState();
                if (this.log.isDebugEnabled()) {
                    this.log.debug("Proxy auth state: " + proxyAuthState.getState());
                }
                this.authenticator.generateAuthResponse(currentRequest, proxyAuthState, localContext);
            }
        } else {
            if (!currentRequest.containsHeader(AUTH.PROXY_AUTH_RESP)) {
                final AuthState proxyAuthState = localContext.getProxyAuthState();
                if (this.log.isDebugEnabled()) {
                    this.log.debug("Proxy auth state: " + proxyAuthState.getState());
                }
                this.authenticator.generateAuthResponse(currentRequest, proxyAuthState, localContext);
            }
        }
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                    this.log.debug("[exchange: " + state.getId() + "] Connection cannot be kept alive");
                }
            }
            state.setNonReusable();
            connManager.releaseConnection();
            final AuthState proxyAuthState = localContext.getProxyAuthState();
            if (proxyAuthState.getState() == AuthProtocolState.SUCCESS
                    && proxyAuthState.getAuthScheme() != null
                    && proxyAuthState.getAuthScheme().isConnectionBased()) {
                if (this.log.isDebugEnabled()) {
                    this.log.debug("[exchange: " + state.getId() + "] Resetting proxy auth state");
                }
                proxyAuthState.reset();
            }
            final AuthState targetAuthState = localContext.getTargetAuthState();
            if (targetAuthState.getState() == AuthProtocolState.SUCCESS
                    && targetAuthState.getAuthScheme() != null
                    && targetAuthState.getAuthScheme().isConnectionBased()) {
                if (this.log.isDebugEnabled()) {
                    this.log.debug("[exchange: " + state.getId() + "] Resetting target auth state");
                }
                targetAuthState.reset();
            }
        }

        Object userToken = localContext.getUserToken();
        if (userToken == null) {
            userToken = this.userTokenHandler.getUserToken(localContext);
            localContext.setAttribute(HttpClientContext.USER_TOKEN, userToken);
        }

        if (state.getFinalResponse() != null) {
            final HttpAsyncResponseConsumer<?> responseConsumer = state.getResponseConsumer();
            responseConsumer.responseCompleted(localContext);
            if (this.log.isDebugEnabled()) {
                this.log.debug("[exchange: " + state.getId() + "] Response processed");
            }
            connManager.releaseConnection();
        } else {
            if (state.getRedirect() != null) {
                final HttpUriRequest redirect = state.getRedirect();
                final URI uri = redirect.getURI();
                if (this.log.isDebugEnabled()) {
                    this.log.debug("[exchange: " + state.getId() + "] Redirecting to '" + uri + "'");
                }
                state.setRedirect(null);

                final HttpHost newTarget = URIUtils.extractHost(uri);
                if (newTarget == null) {
                    throw new ProtocolException("Redirect URI does not specify a valid host name: " + uri);
                }

                // Reset auth states if redirecting to another host
                final HttpRoute route = state.getRoute();
                if (!route.getTargetHost().equals(newTarget)) {
                    final AuthState targetAuthState = localContext.getTargetAuthState();
                    if (this.log.isDebugEnabled()) {
                        this.log.debug("[exchange: " + state.getId() + "] Resetting target auth state");
                    }
                    targetAuthState.reset();
                    final AuthState proxyAuthState = localContext.getProxyAuthState();
                    final AuthScheme authScheme = proxyAuthState.getAuthScheme();
                    if (authScheme != null && authScheme.isConnectionBased()) {
                        if (this.log.isDebugEnabled()) {
                            this.log.debug("[exchange: " + state.getId() + "] Resetting proxy auth state");
                        }
                        proxyAuthState.reset();
                    }
                }

                if (!redirect.headerIterator().hasNext()) {
                    final HttpRequest original = state.getMainRequest().getOriginal();
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