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| package org.acegisecurity.captcha; |
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| import org.acegisecurity.securechannel.ChannelEntryPoint; |
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| import org.acegisecurity.util.PortMapper; |
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| import org.acegisecurity.util.PortMapperImpl; |
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| import org.acegisecurity.util.PortResolver; |
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| import org.acegisecurity.util.PortResolverImpl; |
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| import org.apache.commons.logging.Log; |
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| import org.apache.commons.logging.LogFactory; |
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| import org.springframework.beans.factory.InitializingBean; |
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| import org.springframework.util.Assert; |
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| import java.io.IOException; |
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| import java.io.UnsupportedEncodingException; |
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| import java.net.URLEncoder; |
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| import java.util.Enumeration; |
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| import javax.servlet.ServletException; |
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| import javax.servlet.ServletRequest; |
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| import javax.servlet.ServletResponse; |
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| import javax.servlet.http.HttpServletRequest; |
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| import javax.servlet.http.HttpServletResponse; |
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| public class CaptchaEntryPoint implements ChannelEntryPoint, InitializingBean { |
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| private static final Log logger = LogFactory.getLog(CaptchaEntryPoint.class); |
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| private PortMapper portMapper = new PortMapperImpl(); |
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| private PortResolver portResolver = new PortResolverImpl(); |
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| private String captchaFormUrl; |
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| private String originalRequestMethodParameterName = "original_request_method"; |
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| private String originalRequestParametersNameValueSeparator = "__"; |
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| private String originalRequestParametersParameterName = "original_request_parameters"; |
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| private String originalRequestParametersSeparator = ";;"; |
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| private String originalRequestUrlParameterName = "original_requestUrl"; |
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| private String urlEncodingCharset = "UTF-8"; |
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| private boolean forceHttps = false; |
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| private boolean includeOriginalParameters = false; |
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| private boolean includeOriginalRequest = true; |
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| private boolean isOutsideWebApp = false; |
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14
| public void setCaptchaFormUrl(String captchaFormUrl) {
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| this.captchaFormUrl = captchaFormUrl;
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| } |
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| public String getCaptchaFormUrl() {
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1
| return captchaFormUrl;
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| } |
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8
| public void setForceHttps(boolean forceHttps) {
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8
| this.forceHttps = forceHttps;
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| } |
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| public boolean getForceHttps() {
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2
| return forceHttps;
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| } |
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2
| public void setIncludeOriginalParameters(boolean includeOriginalParameters) {
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2
| this.includeOriginalParameters = includeOriginalParameters;
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| } |
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| public boolean isIncludeOriginalParameters() {
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| return includeOriginalParameters;
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| } |
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| public void setIncludeOriginalRequest(boolean includeOriginalRequest) {
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183 |
9
| this.includeOriginalRequest = includeOriginalRequest;
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| } |
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2
| public boolean isIncludeOriginalRequest() {
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2
| return includeOriginalRequest;
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| } |
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| |
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190 |
0
| public void setOriginalRequestMethodParameterName(
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| String originalRequestMethodParameterName) { |
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0
| this.originalRequestMethodParameterName = originalRequestMethodParameterName;
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| } |
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| public String getOriginalRequestMethodParameterName() {
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| return originalRequestMethodParameterName;
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| } |
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| |
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| public void setOriginalRequestParametersNameValueSeparator(
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| String originalRequestParametersNameValueSeparator) { |
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| this.originalRequestParametersNameValueSeparator = originalRequestParametersNameValueSeparator;
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| } |
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| public String getOriginalRequestParametersNameValueSeparator() {
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| return originalRequestParametersNameValueSeparator;
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| } |
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| |
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0
| public void setOriginalRequestParametersParameterName(
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| String originalRequestParametersParameterName) { |
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| this.originalRequestParametersParameterName = originalRequestParametersParameterName;
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| } |
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0
| public String getOriginalRequestParametersParameterName() {
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0
| return originalRequestParametersParameterName;
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| } |
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| |
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0
| public void setOriginalRequestParametersSeparator(
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| String originalRequestParametersSeparator) { |
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0
| this.originalRequestParametersSeparator = originalRequestParametersSeparator;
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| } |
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| public String getOriginalRequestParametersSeparator() {
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0
| return originalRequestParametersSeparator;
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| } |
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| |
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1
| public void setOriginalRequestUrlParameterName(
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| String originalRequestUrlParameterName) { |
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1
| this.originalRequestUrlParameterName = originalRequestUrlParameterName;
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| } |
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2
| public String getOriginalRequestUrlParameterName() {
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| return originalRequestUrlParameterName;
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| } |
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| public void setOutsideWebApp(boolean isOutsideWebApp) {
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243 |
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| this.isOutsideWebApp = isOutsideWebApp;
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| } |
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| public boolean isOutsideWebApp() {
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247 |
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| return isOutsideWebApp;
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| } |
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250 |
13
| public void setPortMapper(PortMapper portMapper) {
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251 |
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| this.portMapper = portMapper;
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| } |
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1
| public PortMapper getPortMapper() {
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| return portMapper;
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| } |
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258 |
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| public void setPortResolver(PortResolver portResolver) {
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259 |
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| this.portResolver = portResolver;
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| } |
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| public PortResolver getPortResolver() {
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| return portResolver;
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| } |
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| public void setUrlEncodingCharset(String urlEncodingCharset) {
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| this.urlEncodingCharset = urlEncodingCharset;
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| } |
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| public String getUrlEncodingCharset() {
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| return urlEncodingCharset;
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| } |
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274 |
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| public void afterPropertiesSet() throws Exception {
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275 |
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| Assert.hasLength(captchaFormUrl, "captchaFormUrl must be specified");
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276 |
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| Assert.hasLength(originalRequestMethodParameterName,
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| "originalRequestMethodParameterName must be specified"); |
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278 |
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| Assert.hasLength(originalRequestParametersNameValueSeparator,
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| "originalRequestParametersNameValueSeparator must be specified"); |
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280 |
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| Assert.hasLength(originalRequestParametersParameterName,
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| "originalRequestParametersParameterName must be specified"); |
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282 |
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| Assert.hasLength(originalRequestParametersSeparator,
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| "originalRequestParametersSeparator must be specified"); |
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284 |
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| Assert.hasLength(originalRequestUrlParameterName,
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| "originalRequestUrlParameterName must be specified"); |
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286 |
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| Assert.hasLength(urlEncodingCharset,
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| "urlEncodingCharset must be specified"); |
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288 |
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| Assert.notNull(portMapper, "portMapper must be specified");
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289 |
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| Assert.notNull(portResolver, "portResolver must be specified");
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290 |
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| URLEncoder.encode(" fzaef é& à ", urlEncodingCharset);
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| } |
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| |
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293 |
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| public void commence(ServletRequest request, ServletResponse response)
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| throws IOException, ServletException { |
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295 |
20
| StringBuffer redirectUrl = new StringBuffer();
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296 |
20
| HttpServletRequest req = (HttpServletRequest) request;
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297 |
| |
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298 |
20
| if (isOutsideWebApp) {
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299 |
5
| redirectUrl = redirectUrl.append(captchaFormUrl);
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| } else { |
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301 |
15
| buildInternalRedirect(redirectUrl, req);
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| } |
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| |
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304 |
20
| if (includeOriginalRequest) {
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305 |
11
| includeOriginalRequest(redirectUrl, req);
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| } |
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307 |
| |
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308 |
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309 |
20
| if (logger.isDebugEnabled()) {
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310 |
0
| logger.debug("Redirecting to: " + redirectUrl);
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311 |
| } |
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312 |
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313 |
20
| ((HttpServletResponse) response).sendRedirect(redirectUrl.toString());
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314 |
| } |
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315 |
| |
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316 |
15
| private void buildInternalRedirect(StringBuffer redirectUrl,
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317 |
| HttpServletRequest req) { |
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318 |
| |
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319 |
15
| StringBuffer simpleRedirect = new StringBuffer();
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320 |
| |
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321 |
15
| String scheme = req.getScheme();
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322 |
15
| String serverName = req.getServerName();
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323 |
15
| int serverPort = portResolver.getServerPort(req);
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324 |
15
| String contextPath = req.getContextPath();
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325 |
15
| boolean includePort = true;
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326 |
| |
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327 |
15
| if ("http".equals(scheme.toLowerCase()) && (serverPort == 80)) {
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328 |
2
| includePort = false;
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| } |
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| |
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331 |
15
| if ("https".equals(scheme.toLowerCase()) && (serverPort == 443)) {
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332 |
1
| includePort = false;
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| } |
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334 |
| |
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335 |
15
| simpleRedirect.append(scheme);
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336 |
15
| simpleRedirect.append("://");
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337 |
15
| simpleRedirect.append(serverName);
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338 |
| |
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339 |
15
| if (includePort) {
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340 |
12
| simpleRedirect.append(":");
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341 |
12
| simpleRedirect.append(serverPort);
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342 |
| } |
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343 |
| |
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344 |
15
| simpleRedirect.append(contextPath);
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345 |
15
| simpleRedirect.append(captchaFormUrl);
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346 |
| |
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347 |
15
| if (forceHttps && req.getScheme().equals("http")) {
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348 |
6
| Integer httpPort = new Integer(portResolver.getServerPort(req));
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349 |
6
| Integer httpsPort = (Integer) portMapper.lookupHttpsPort(httpPort);
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350 |
| |
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351 |
6
| if (httpsPort != null) {
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352 |
5
| if (httpsPort.intValue() == 443) {
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353 |
1
| includePort = false;
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| } else { |
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355 |
4
| includePort = true;
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| } |
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357 |
| |
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358 |
5
| redirectUrl.append("https://");
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359 |
5
| redirectUrl.append(serverName);
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360 |
| |
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361 |
5
| if (includePort) {
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362 |
4
| redirectUrl.append(":");
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363 |
4
| redirectUrl.append(httpsPort);
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364 |
| } |
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365 |
| |
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366 |
5
| redirectUrl.append(contextPath);
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367 |
5
| redirectUrl.append(captchaFormUrl);
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368 |
| } else { |
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369 |
1
| redirectUrl.append(simpleRedirect);
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370 |
| } |
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371 |
| } else { |
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372 |
9
| redirectUrl.append(simpleRedirect);
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373 |
| } |
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374 |
| } |
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375 |
| |
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376 |
11
| private void includeOriginalRequest(StringBuffer redirectUrl,
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377 |
| HttpServletRequest req) { |
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378 |
| |
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379 |
11
| if (redirectUrl.indexOf("?") >= 0) {
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380 |
4
| redirectUrl.append("&");
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381 |
| } else { |
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382 |
7
| redirectUrl.append("?");
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383 |
| } |
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384 |
| |
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385 |
11
| redirectUrl.append(originalRequestUrlParameterName);
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386 |
11
| redirectUrl.append("=");
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387 |
| |
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388 |
11
| try {
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389 |
11
| redirectUrl.append(URLEncoder.encode(req.getRequestURL().toString(),
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390 |
| urlEncodingCharset)); |
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391 |
| } catch (UnsupportedEncodingException e) { |
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392 |
0
| logger.warn(e);
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393 |
| } |
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394 |
| |
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395 |
| |
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396 |
11
| redirectUrl.append("&");
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397 |
11
| redirectUrl.append(originalRequestMethodParameterName);
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398 |
11
| redirectUrl.append("=");
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399 |
11
| redirectUrl.append(req.getMethod());
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400 |
| |
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401 |
11
| if (includeOriginalParameters) {
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402 |
| |
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403 |
6
| redirectUrl.append("&");
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404 |
6
| redirectUrl.append(originalRequestParametersParameterName);
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405 |
6
| redirectUrl.append("=");
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406 |
| |
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407 |
6
| StringBuffer qp = new StringBuffer();
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408 |
6
| Enumeration parameters = req.getParameterNames();
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|
409 |
| |
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410 |
6
| if ((parameters != null) && parameters.hasMoreElements()) {
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411 |
| |
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412 |
6
| while (parameters.hasMoreElements()) {
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413 |
12
| String name = parameters.nextElement().toString();
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414 |
12
| String value = req.getParameter(name);
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415 |
12
| qp.append(name);
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416 |
12
| qp.append(originalRequestParametersNameValueSeparator);
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417 |
12
| qp.append(value);
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418 |
| |
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419 |
12
| if (parameters.hasMoreElements()) {
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420 |
6
| qp.append(originalRequestParametersSeparator);
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421 |
| } |
|
422 |
| } |
|
423 |
| } |
|
424 |
| |
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425 |
6
| try {
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426 |
6
| redirectUrl.append(URLEncoder.encode(qp.toString(),
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|
427 |
| urlEncodingCharset)); |
|
428 |
| } catch (Exception e) { |
|
429 |
0
| logger.warn(e);
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|
430 |
| } |
|
431 |
| } |
|
432 |
| } |
|
433 |
| } |