示例#1
0
  private boolean processProxyAuthChallenge(final HttpMethod method)
      throws MalformedChallengeException, AuthenticationException {
    AuthState authstate = method.getProxyAuthState();
    Map proxyChallenges =
        AuthChallengeParser.parseChallenges(method.getResponseHeaders(PROXY_AUTH_CHALLENGE));
    if (proxyChallenges.isEmpty()) {
      LOG.debug("Proxy authentication challenge(s) not found");
      return false;
    }
    AuthScheme authscheme = null;
    try {
      authscheme = this.authProcessor.processChallenge(authstate, proxyChallenges);
    } catch (AuthChallengeException e) {
      if (LOG.isWarnEnabled()) {
        LOG.warn(e.getMessage());
      }
    }
    if (authscheme == null) {
      return false;
    }
    AuthScope authscope =
        new AuthScope(
            conn.getProxyHost(),
            conn.getProxyPort(),
            authscheme.getRealm(),
            authscheme.getSchemeName());

    if (LOG.isDebugEnabled()) {
      LOG.debug("Proxy authentication scope: " + authscope);
    }
    if (authstate.isAuthAttempted() && authscheme.isComplete()) {
      // Already tried and failed
      Credentials credentials =
          promptForProxyCredentials(authscheme, method.getParams(), authscope);
      if (credentials == null) {
        if (LOG.isInfoEnabled()) {
          LOG.info("Failure authenticating with " + authscope);
        }
        return false;
      } else {
        return true;
      }
    } else {
      authstate.setAuthAttempted(true);
      Credentials credentials = this.state.getProxyCredentials(authscope);
      if (credentials == null) {
        credentials = promptForProxyCredentials(authscheme, method.getParams(), authscope);
      }
      if (credentials == null) {
        if (LOG.isInfoEnabled()) {
          LOG.info("No credentials available for " + authscope);
        }
        return false;
      } else {
        return true;
      }
    }
  }
示例#2
0
 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");
         }
       }
     }
   }
 }