Examples with CaptchaException org.wso2.carbon.identity.captcha.exception.CaptchaException used on opensource projects

Example 1 with CaptchaException

use of org.wso2.carbon.identity.captcha.exception.CaptchaException in project identity-governance by wso2-extensions.

the class CaptchaFilter method doFilter.

@Override
public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
    try {
        if (!CaptchaDataHolder.getInstance().isReCaptchaEnabled()) {
            filterChain.doFilter(servletRequest, servletResponse);
            return;
        }
        // May need multiple reads of request body value from connectors.
        if (servletRequest instanceof HttpServletRequest) {
            String currentPath = ((HttpServletRequest) servletRequest).getRequestURI();
            if (StringUtils.isNotBlank(currentPath) && CaptchaUtil.isPathAvailable(currentPath, CaptchaDataHolder.getInstance().getReCaptchaRequestWrapUrls())) {
                servletRequest = new CaptchaHttpServletRequestWrapper((HttpServletRequest) servletRequest);
            }
        }
        List<CaptchaConnector> captchaConnectors = CaptchaDataHolder.getInstance().getCaptchaConnectors();
        CaptchaConnector selectedCaptchaConnector = null;
        for (CaptchaConnector captchaConnector : captchaConnectors) {
            if (captchaConnector.canHandle(servletRequest, servletResponse) && (selectedCaptchaConnector == null || captchaConnector.getPriority() > selectedCaptchaConnector.getPriority())) {
                selectedCaptchaConnector = captchaConnector;
            }
        }
        if (selectedCaptchaConnector == null) {
            filterChain.doFilter(servletRequest, servletResponse);
            return;
        }
        // Check whether captcha is required or will reach to the max failed attempts with the current attempt.
        CaptchaPreValidationResponse captchaPreValidationResponse = selectedCaptchaConnector.preValidate(servletRequest, servletResponse);
        if (captchaPreValidationResponse == null) {
            // Captcha connector failed to response. Default is success.
            filterChain.doFilter(servletRequest, servletResponse);
            return;
        }
        HttpServletRequest httpRequest = (HttpServletRequest) servletRequest;
        HttpServletResponse httpResponse = (HttpServletResponse) servletResponse;
        if (captchaPreValidationResponse.isCaptchaValidationRequired()) {
            try {
                boolean validCaptcha = selectedCaptchaConnector.verifyCaptcha(servletRequest, servletResponse);
                if (!validCaptcha) {
                    log.warn("Captcha validation failed for the user.");
                    httpResponse.sendRedirect(CaptchaUtil.getOnFailRedirectUrl(httpRequest.getHeader("referer"), captchaPreValidationResponse.getOnCaptchaFailRedirectUrls(), captchaPreValidationResponse.getCaptchaAttributes()));
                    return;
                }
            } catch (CaptchaClientException e) {
                log.warn("Captcha validation failed for the user. Cause : " + e.getMessage());
                httpResponse.sendRedirect(CaptchaUtil.getOnFailRedirectUrl(httpRequest.getHeader("referer"), captchaPreValidationResponse.getOnCaptchaFailRedirectUrls(), captchaPreValidationResponse.getCaptchaAttributes()));
                return;
            }
        }
        // Enable reCaptcha for the destination.
        if (captchaPreValidationResponse.isEnableCaptchaForRequestPath()) {
            if (captchaPreValidationResponse.getCaptchaAttributes() != null) {
                for (Map.Entry<String, String> parameter : captchaPreValidationResponse.getCaptchaAttributes().entrySet()) {
                    servletRequest.setAttribute(parameter.getKey(), parameter.getValue());
                }
            }
            doFilter(captchaPreValidationResponse, servletRequest, servletResponse, filterChain);
            return;
        }
        // Below the no. of max failed attempts, including the current attempt
        if (!captchaPreValidationResponse.isPostValidationRequired() || (!captchaPreValidationResponse.isCaptchaValidationRequired() && !captchaPreValidationResponse.isMaxFailedLimitReached())) {
            doFilter(captchaPreValidationResponse, servletRequest, servletResponse, filterChain);
            return;
        }
        CaptchaHttpServletResponseWrapper responseWrapper = new CaptchaHttpServletResponseWrapper(httpResponse);
        doFilter(captchaPreValidationResponse, servletRequest, responseWrapper, filterChain);
        CaptchaPostValidationResponse postValidationResponse = selectedCaptchaConnector.postValidate(servletRequest, responseWrapper);
        // Check whether this attempt is failed
        if (postValidationResponse == null || postValidationResponse.isSuccessfulAttempt()) {
            if (responseWrapper.isRedirect()) {
                httpResponse.sendRedirect(responseWrapper.getRedirectURL());
            }
            return;
        }
        if (postValidationResponse.isEnableCaptchaResponsePath() && responseWrapper.isRedirect()) {
            httpResponse.sendRedirect(CaptchaUtil.getUpdatedUrl(responseWrapper.getRedirectURL(), postValidationResponse.getCaptchaAttributes()));
        }
    } catch (CaptchaException e) {
        log.error("Error occurred in processing captcha.", e);
        ((HttpServletResponse) servletResponse).sendRedirect(CaptchaUtil.getErrorPage("Server Error", "Something " + "went wrong. Please try again"));
    }
}

Example 2 with CaptchaException

use of org.wso2.carbon.identity.captcha.exception.CaptchaException in project identity-governance by wso2-extensions.

the class CaptchaUtil method isValidCaptcha.

public static boolean isValidCaptcha(String reCaptchaResponse) throws CaptchaException {
    CloseableHttpClient httpclient = HttpClientBuilder.create().useSystemProperties().build();
    HttpPost httppost = new HttpPost(CaptchaDataHolder.getInstance().getReCaptchaVerifyUrl());
    List<BasicNameValuePair> params = Arrays.asList(new BasicNameValuePair("secret", CaptchaDataHolder.getInstance().getReCaptchaSecretKey()), new BasicNameValuePair("response", reCaptchaResponse));
    httppost.setEntity(new UrlEncodedFormEntity(params, StandardCharsets.UTF_8));
    HttpResponse response;
    try {
        response = httpclient.execute(httppost);
    } catch (IOException e) {
        throw new CaptchaServerException("Unable to get the verification response.", e);
    }
    HttpEntity entity = response.getEntity();
    if (entity == null) {
        throw new CaptchaServerException("reCaptcha verification response is not received.");
    }
    try {
        try (InputStream in = entity.getContent()) {
            JsonObject verificationResponse = new JsonParser().parse(IOUtils.toString(in)).getAsJsonObject();
            if (verificationResponse == null || verificationResponse.get("success") == null || !verificationResponse.get("success").getAsBoolean()) {
                throw new CaptchaClientException("reCaptcha verification failed. Please try again.");
            }
        }
    } catch (IOException e) {
        throw new CaptchaServerException("Unable to read the verification response.", e);
    }
    return true;
}

Example 3 with CaptchaException

use of org.wso2.carbon.identity.captcha.exception.CaptchaException in project identity-governance by wso2-extensions.

the class PasswordRecoveryReCaptchaConnector method preValidate.

@Override
public CaptchaPreValidationResponse preValidate(ServletRequest servletRequest, ServletResponse servletResponse) throws CaptchaException {
    CaptchaPreValidationResponse preValidationResponse = new CaptchaPreValidationResponse();
    boolean forgotPasswordRecaptchaEnabled = checkReCaptchaEnabledForForgotPassoword(servletRequest, FORGOT_PASSWORD_RECAPTCHA_ENABLE);
    String pathUrl = ((HttpServletRequest) servletRequest).getRequestURI();
    if (forgotPasswordRecaptchaEnabled && (CaptchaUtil.isPathAvailable(pathUrl, ACCOUNT_SECURITY_QUESTION_URL) || CaptchaUtil.isPathAvailable(pathUrl, ACCOUNT_SECURITY_QUESTIONS_URL) || CaptchaUtil.isPathAvailable(pathUrl, RECOVER_PASSWORD_URL))) {
        preValidationResponse.setCaptchaValidationRequired(true);
    }
    // Handle recover with Email option.
    if (pathUrl.equals(RECOVER_PASSWORD_URL)) {
        return preValidationResponse;
    }
    // Handle recover with security questions option.
    HttpServletRequest httpServletRequestWrapper;
    try {
        httpServletRequestWrapper = new CaptchaHttpServletRequestWrapper((HttpServletRequest) servletRequest);
        preValidationResponse.setWrappedHttpServletRequest(httpServletRequestWrapper);
    } catch (IOException e) {
        log.error("Error occurred while wrapping ServletRequest.", e);
        return preValidationResponse;
    }
    String path = httpServletRequestWrapper.getRequestURI();
    User user = new User();
    boolean initializationFlow = false;
    if (CaptchaUtil.isPathAvailable(path, ACCOUNT_SECURITY_QUESTION_URL) || CaptchaUtil.isPathAvailable(path, ACCOUNT_SECURITY_QUESTIONS_URL)) {
        user.setUserName(servletRequest.getParameter("username"));
        if (StringUtils.isNotBlank(servletRequest.getParameter("realm"))) {
            user.setUserStoreDomain(servletRequest.getParameter("realm"));
        } else {
            user.setUserStoreDomain(IdentityUtil.getPrimaryDomainName());
        }
        user.setTenantDomain(servletRequest.getParameter("tenant-domain"));
        initializationFlow = true;
    } else {
        JsonObject requestObject;
        try {
            try (InputStream in = httpServletRequestWrapper.getInputStream()) {
                requestObject = new JsonParser().parse(IOUtils.toString(in)).getAsJsonObject();
            }
        } catch (IOException e) {
            return preValidationResponse;
        }
        UserRecoveryDataStore userRecoveryDataStore = JDBCRecoveryDataStore.getInstance();
        try {
            UserRecoveryData userRecoveryData = userRecoveryDataStore.load(requestObject.get("key").getAsString());
            if (userRecoveryData != null) {
                user = userRecoveryData.getUser();
            }
        } catch (IdentityRecoveryException e) {
            return preValidationResponse;
        }
    }
    if (StringUtils.isBlank(user.getUserName())) {
        // Invalid Request
        return preValidationResponse;
    }
    if (StringUtils.isBlank(user.getTenantDomain())) {
        user.setTenantDomain(MultitenantConstants.SUPER_TENANT_DOMAIN_NAME);
    }
    Property[] connectorConfigs;
    try {
        connectorConfigs = identityGovernanceService.getConfiguration(new String[] { RECOVERY_QUESTION_PASSWORD_RECAPTCHA_ENABLE, RECOVERY_QUESTION_PASSWORD_RECAPTCHA_MAX_FAILED_ATTEMPTS }, user.getTenantDomain());
    } catch (IdentityGovernanceException e) {
        throw new CaptchaServerException("Unable to retrieve connector configs.", e);
    }
    String connectorEnabled = null;
    String maxAttemptsStr = null;
    for (Property connectorConfig : connectorConfigs) {
        if ((RECOVERY_QUESTION_PASSWORD_RECAPTCHA_ENABLE).equals(connectorConfig.getName())) {
            connectorEnabled = connectorConfig.getValue();
        } else if ((RECOVERY_QUESTION_PASSWORD_RECAPTCHA_MAX_FAILED_ATTEMPTS).equals(connectorConfig.getName())) {
            maxAttemptsStr = connectorConfig.getValue();
        }
    }
    if (!Boolean.parseBoolean(connectorEnabled)) {
        return preValidationResponse;
    }
    if (StringUtils.isBlank(maxAttemptsStr) || !NumberUtils.isNumber(maxAttemptsStr)) {
        log.warn("Invalid configuration found in the PasswordRecoveryReCaptchaConnector for the tenant - " + user.getTenantDomain());
        return preValidationResponse;
    }
    int maxFailedAttempts = Integer.parseInt(maxAttemptsStr);
    int tenantId;
    try {
        tenantId = IdentityTenantUtil.getTenantId(user.getTenantDomain());
    } catch (Exception e) {
        // Invalid tenant
        return preValidationResponse;
    }
    try {
        if (CaptchaDataHolder.getInstance().getAccountLockService().isAccountLocked(user.getUserName(), user.getTenantDomain(), user.getUserStoreDomain())) {
            return preValidationResponse;
        }
    } catch (AccountLockServiceException e) {
        if (log.isDebugEnabled()) {
            log.debug("Error while validating if account is locked for user: " + user.getUserName() + " of user " + "store domain: " + user.getUserStoreDomain() + " and tenant domain: " + user.getTenantDomain());
        }
        return preValidationResponse;
    }
    Map<String, String> claimValues = CaptchaUtil.getClaimValues(user, tenantId, new String[] { FAIL_ATTEMPTS_CLAIM });
    if (claimValues == null || claimValues.isEmpty()) {
        // Invalid user
        return preValidationResponse;
    }
    int currentFailedAttempts = 0;
    if (NumberUtils.isNumber(claimValues.get(FAIL_ATTEMPTS_CLAIM))) {
        currentFailedAttempts = Integer.parseInt(claimValues.get(FAIL_ATTEMPTS_CLAIM));
    }
    HttpServletResponse httpServletResponse = ((HttpServletResponse) servletResponse);
    if (currentFailedAttempts > maxFailedAttempts) {
        if (initializationFlow) {
            httpServletResponse.setHeader("reCaptcha", "true");
            httpServletResponse.setHeader("reCaptchaKey", CaptchaDataHolder.getInstance().getReCaptchaSiteKey());
            httpServletResponse.setHeader("reCaptchaAPI", CaptchaDataHolder.getInstance().getReCaptchaAPIUrl());
        } else {
            preValidationResponse.setCaptchaValidationRequired(true);
            preValidationResponse.setMaxFailedLimitReached(true);
            addPostValidationData(servletRequest);
        }
    } else if (currentFailedAttempts == maxFailedAttempts && !initializationFlow) {
        addPostValidationData(servletRequest);
    }
    return preValidationResponse;
}

Example 4 with CaptchaException

use of org.wso2.carbon.identity.captcha.exception.CaptchaException in project identity-governance by wso2-extensions.

the class ResendConfirmationReCaptchaConnector method canHandle.

@Override
public boolean canHandle(ServletRequest servletRequest, ServletResponse servletResponse) throws CaptchaException {
    String path = ((HttpServletRequest) servletRequest).getRequestURI();
    Property[] connectorConfigs;
    String enable = null;
    if (StringUtils.isBlank(path) || !(CaptchaUtil.isPathAvailable(path, RESEND_CONFIRMATION_URL))) {
        return false;
    }
    try {
        connectorConfigs = CaptchaUtil.getConnectorConfigs(servletRequest, identityGovernanceService, RESEND_CONFIRMATION_RECAPTCHA_ENABLE);
    } catch (Exception e) {
        // Can happen due to invalid tenant/ invalid configuration.
        if (log.isDebugEnabled()) {
            log.debug("Unable to load connector configuration.", e);
        }
        return false;
    }
    for (Property connectorConfig : connectorConfigs) {
        if ((RESEND_CONFIRMATION_RECAPTCHA_ENABLE).equals(connectorConfig.getName())) {
            enable = connectorConfig.getValue();
        }
    }
    return Boolean.parseBoolean(enable);
}

Example 5 with CaptchaException

use of org.wso2.carbon.identity.captcha.exception.CaptchaException in project identity-governance by wso2-extensions.

the class SSOLoginReCaptchaConfig method postValidate.

@Override
public CaptchaPostValidationResponse postValidate(ServletRequest servletRequest, ServletResponse servletResponse) throws CaptchaException {
    if (!StringUtils.isBlank(CaptchaConstants.getEnableSecurityMechanism())) {
        CaptchaConstants.removeEnabledSecurityMechanism();
        CaptchaPostValidationResponse validationResponse = new CaptchaPostValidationResponse();
        validationResponse.setSuccessfulAttempt(false);
        validationResponse.setEnableCaptchaResponsePath(true);
        Map<String, String> params = new HashMap<>();
        params.put("reCaptcha", "true");
        validationResponse.setCaptchaAttributes(params);
        return validationResponse;
    }
    return null;
}