| | |
| | | /*
|
| | | * Copyright 2011 gitblit.com.
|
| | | *
|
| | | * Licensed under the Apache License, Version 2.0 (the "License");
|
| | | * you may not use this file except in compliance with the License.
|
| | | * You may obtain a copy of the License at
|
| | | *
|
| | | * http://www.apache.org/licenses/LICENSE-2.0
|
| | | *
|
| | | * Unless required by applicable law or agreed to in writing, software
|
| | | * distributed under the License is distributed on an "AS IS" BASIS,
|
| | | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
| | | * See the License for the specific language governing permissions and
|
| | | * limitations under the License.
|
| | | */
|
| | | package com.gitblit.wicket;
|
| | |
|
| | | import java.text.MessageFormat;
|
| | | import java.util.HashSet;
|
| | | import java.util.Map;
|
| | | import java.util.Set;
|
| | |
|
| | | import org.apache.wicket.IRequestTarget;
|
| | | import org.apache.wicket.Page;
|
| | | import org.apache.wicket.PageParameters;
|
| | | import org.apache.wicket.request.RequestParameters;
|
| | | import org.apache.wicket.request.target.coding.MixedParamUrlCodingStrategy;
|
| | | import org.apache.wicket.util.string.AppendingStringBuffer;
|
| | | import org.slf4j.Logger;
|
| | | import org.slf4j.LoggerFactory;
|
| | |
|
| | | import com.gitblit.IStoredSettings;
|
| | | import com.gitblit.Keys;
|
| | |
|
| | | /**
|
| | | * Simple subclass of mixed parameter url coding strategy that works around the
|
| | | * encoded forward-slash issue that is present in some servlet containers.
|
| | | *
|
| | | * https://issues.apache.org/jira/browse/WICKET-1303
|
| | | * http://tomcat.apache.org/security-6.html
|
| | | *
|
| | | * @author James Moger
|
| | | *
|
| | | */
|
| | | public class GitblitParamUrlCodingStrategy extends MixedParamUrlCodingStrategy {
|
| | |
|
| | | private final String[] parameterNames;
|
| | |
|
| | | private Logger logger = LoggerFactory.getLogger(GitblitParamUrlCodingStrategy.class);
|
| | |
|
| | | private IStoredSettings settings;
|
| | |
|
| | | /**
|
| | | * Construct.
|
| | | *
|
| | | * @param <C>
|
| | | * @param mountPath
|
| | | * mount path (not empty)
|
| | | * @param bookmarkablePageClass
|
| | | * class of mounted page (not null)
|
| | | * @param parameterNames
|
| | | * the parameter names (not null)
|
| | | */
|
| | | public <C extends Page> GitblitParamUrlCodingStrategy(
|
| | | IStoredSettings settings,
|
| | | String mountPath,
|
| | | Class<C> bookmarkablePageClass, String[] parameterNames) {
|
| | |
|
| | | super(mountPath, bookmarkablePageClass, parameterNames);
|
| | | this.parameterNames = parameterNames;
|
| | | this.settings = settings;
|
| | | }
|
| | |
|
| | | /**
|
| | | * Url encodes a string that is mean for a URL path (e.g., between slashes)
|
| | | *
|
| | | * @param string
|
| | | * string to be encoded
|
| | | * @return encoded string
|
| | | */
|
| | | @Override
|
| | | protected String urlEncodePathComponent(String string) {
|
| | | char altChar = settings.getChar(Keys.web.forwardSlashCharacter, '/');
|
| | | if (altChar != '/') {
|
| | | string = string.replace('/', altChar);
|
| | | }
|
| | | return super.urlEncodePathComponent(string);
|
| | | }
|
| | |
|
| | | /**
|
| | | * Returns a decoded value of the given value (taken from a URL path
|
| | | * section)
|
| | | *
|
| | | * @param value
|
| | | * @return Decodes the value
|
| | | */
|
| | | @Override
|
| | | protected String urlDecodePathComponent(String value) {
|
| | | char altChar = settings.getChar(Keys.web.forwardSlashCharacter, '/');
|
| | | if (altChar != '/') {
|
| | | value = value.replace(altChar, '/');
|
| | | }
|
| | | return super.urlDecodePathComponent(value);
|
| | | }
|
| | |
|
| | | /**
|
| | | * Gets the decoded request target.
|
| | | *
|
| | | * @param requestParameters
|
| | | * the request parameters
|
| | | * @return the decoded request target
|
| | | */
|
| | | @Override
|
| | | public IRequestTarget decode(RequestParameters requestParameters) {
|
| | | final String parametersFragment = requestParameters.getPath().substring(
|
| | | getMountPath().length());
|
| | | logger.debug(MessageFormat
|
| | | .format("REQ: {0} PARAMS {1}", getMountPath(), parametersFragment));
|
| | |
|
| | | final PageParameters parameters = new PageParameters(decodeParameters(parametersFragment,
|
| | | requestParameters.getParameters()));
|
| | | return super.decode(requestParameters);
|
| | | }
|
| | |
|
| | | /**
|
| | | * @see org.apache.wicket.request.target.coding.AbstractRequestTargetUrlCodingStrategy#appendParameters(org.apache.wicket.util.string.AppendingStringBuffer,
|
| | | * java.util.Map)
|
| | | */
|
| | | @Override
|
| | | protected void appendParameters(AppendingStringBuffer url, Map<String, ?> parameters)
|
| | | {
|
| | | if (!url.endsWith("/"))
|
| | | {
|
| | | url.append("/");
|
| | | }
|
| | |
|
| | | Set<String> parameterNamesToAdd = new HashSet<String>(parameters.keySet());
|
| | |
|
| | | // Find index of last specified parameter
|
| | | boolean foundParameter = false;
|
| | | int lastSpecifiedParameter = parameterNames.length;
|
| | | while (lastSpecifiedParameter != 0 && !foundParameter)
|
| | | {
|
| | | foundParameter = parameters.containsKey(parameterNames[--lastSpecifiedParameter]);
|
| | | }
|
| | |
|
| | | if (foundParameter)
|
| | | {
|
| | | for (int i = 0; i <= lastSpecifiedParameter; i++)
|
| | | {
|
| | | String parameterName = parameterNames[i];
|
| | | final Object param = parameters.get(parameterName);
|
| | | String value = param instanceof String[] ? ((String[])param)[0] : ((param == null)
|
| | | ? null : param.toString());
|
| | | if (value == null)
|
| | | {
|
| | | value = "";
|
| | | }
|
| | | if (!url.endsWith("/"))
|
| | | {
|
| | | url.append("/");
|
| | | }
|
| | | url.append(urlEncodePathComponent(value));
|
| | | parameterNamesToAdd.remove(parameterName);
|
| | | }
|
| | | }
|
| | |
|
| | | if (!parameterNamesToAdd.isEmpty())
|
| | | {
|
| | | boolean first = true;
|
| | | for (String parameterName : parameterNamesToAdd)
|
| | | {
|
| | | final Object param = parameters.get(parameterName);
|
| | | if (param instanceof String[]) {
|
| | | String [] values = (String[]) param;
|
| | | for (String value : values) {
|
| | | url.append(first ? '?' : '&');
|
| | | url.append(urlEncodeQueryComponent(parameterName)).append("=").append(
|
| | | urlEncodeQueryComponent(value));
|
| | | first = false;
|
| | | }
|
| | | } else {
|
| | | url.append(first ? '?' : '&');
|
| | | String value = String.valueOf(param);
|
| | | url.append(urlEncodeQueryComponent(parameterName)).append("=").append(
|
| | | urlEncodeQueryComponent(value));
|
| | | }
|
| | | first = false;
|
| | | }
|
| | | }
|
| | | }
|
| | | /* |
| | | * Copyright 2011 gitblit.com. |
| | | * |
| | | * Licensed under the Apache License, Version 2.0 (the "License"); |
| | | * you may not use this file except in compliance with the License. |
| | | * You may obtain a copy of the License at |
| | | * |
| | | * http://www.apache.org/licenses/LICENSE-2.0 |
| | | * |
| | | * Unless required by applicable law or agreed to in writing, software |
| | | * distributed under the License is distributed on an "AS IS" BASIS, |
| | | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| | | * See the License for the specific language governing permissions and |
| | | * limitations under the License. |
| | | */ |
| | | package com.gitblit.wicket; |
| | | |
| | | import java.util.HashSet; |
| | | import java.util.Map; |
| | | import java.util.Set; |
| | | |
| | | import org.apache.wicket.IRequestTarget; |
| | | import org.apache.wicket.Page; |
| | | import org.apache.wicket.protocol.http.request.WebRequestCodingStrategy; |
| | | import org.apache.wicket.request.RequestParameters; |
| | | import org.apache.wicket.request.target.coding.MixedParamUrlCodingStrategy; |
| | | import org.apache.wicket.util.string.AppendingStringBuffer; |
| | | import org.slf4j.Logger; |
| | | import org.slf4j.LoggerFactory; |
| | | |
| | | import com.gitblit.IStoredSettings; |
| | | import com.gitblit.Keys; |
| | | import com.gitblit.utils.XssFilter; |
| | | |
| | | /** |
| | | * Simple subclass of mixed parameter url coding strategy that works around the |
| | | * encoded forward-slash issue that is present in some servlet containers. |
| | | * |
| | | * https://issues.apache.org/jira/browse/WICKET-1303 |
| | | * http://tomcat.apache.org/security-6.html |
| | | * |
| | | * @author James Moger |
| | | * |
| | | */ |
| | | public class GitblitParamUrlCodingStrategy extends MixedParamUrlCodingStrategy { |
| | | |
| | | private final String[] parameterNames; |
| | | |
| | | private Logger logger = LoggerFactory.getLogger(GitblitParamUrlCodingStrategy.class); |
| | | |
| | | private IStoredSettings settings; |
| | | |
| | | private XssFilter xssFilter; |
| | | |
| | | /** |
| | | * Construct. |
| | | * |
| | | * @param <C> |
| | | * @param mountPath |
| | | * mount path (not empty) |
| | | * @param bookmarkablePageClass |
| | | * class of mounted page (not null) |
| | | * @param parameterNames |
| | | * the parameter names (not null) |
| | | */ |
| | | public <C extends Page> GitblitParamUrlCodingStrategy( |
| | | IStoredSettings settings, |
| | | XssFilter xssFilter, |
| | | String mountPath, |
| | | Class<C> bookmarkablePageClass, String[] parameterNames) { |
| | | |
| | | super(mountPath, bookmarkablePageClass, parameterNames); |
| | | this.parameterNames = parameterNames; |
| | | this.settings = settings; |
| | | this.xssFilter = xssFilter; |
| | | } |
| | | |
| | | /** |
| | | * Url encodes a string that is mean for a URL path (e.g., between slashes) |
| | | * |
| | | * @param string |
| | | * string to be encoded |
| | | * @return encoded string |
| | | */ |
| | | @Override |
| | | protected String urlEncodePathComponent(String string) { |
| | | char altChar = settings.getChar(Keys.web.forwardSlashCharacter, '/'); |
| | | if (altChar != '/') { |
| | | string = string.replace('/', altChar); |
| | | } |
| | | return super.urlEncodePathComponent(string); |
| | | } |
| | | |
| | | /** |
| | | * Returns a decoded value of the given value (taken from a URL path |
| | | * section) |
| | | * |
| | | * @param value |
| | | * @return Decodes the value |
| | | */ |
| | | @Override |
| | | protected String urlDecodePathComponent(String value) { |
| | | char altChar = settings.getChar(Keys.web.forwardSlashCharacter, '/'); |
| | | if (altChar != '/') { |
| | | value = value.replace(altChar, '/'); |
| | | } |
| | | return super.urlDecodePathComponent(value); |
| | | } |
| | | |
| | | /** |
| | | * Gets the decoded request target. |
| | | * |
| | | * @param requestParameters |
| | | * the request parameters |
| | | * @return the decoded request target |
| | | */ |
| | | @Override |
| | | public IRequestTarget decode(RequestParameters requestParameters) { |
| | | Map<String, Object> parameterMap = (Map<String, Object>) requestParameters.getParameters(); |
| | | for (Map.Entry<String, Object> entry : parameterMap.entrySet()) { |
| | | String parameter = entry.getKey(); |
| | | if (parameter.startsWith(WebRequestCodingStrategy.NAME_SPACE)) { |
| | | // ignore Wicket parameters |
| | | continue; |
| | | } |
| | | |
| | | // sanitize Gitblit request parameters |
| | | Object o = entry.getValue(); |
| | | if (o instanceof String) { |
| | | String value = o.toString(); |
| | | String safeValue = xssFilter.none(value); |
| | | if (!value.equals(safeValue)) { |
| | | logger.warn("XSS filter triggered on {} URL parameter: {}={}", |
| | | getMountPath(), parameter, value); |
| | | parameterMap.put(parameter, safeValue); |
| | | } |
| | | } else if (o instanceof String[]) { |
| | | String[] values = (String[]) o; |
| | | for (int i = 0; i < values.length; i++) { |
| | | String value = values[i].toString(); |
| | | String safeValue = xssFilter.none(value); |
| | | if (!value.equals(safeValue)) { |
| | | logger.warn("XSS filter triggered on {} URL parameter: {}={}", |
| | | getMountPath(), parameter, value); |
| | | values[i] = safeValue; |
| | | } |
| | | } |
| | | } |
| | | } |
| | | |
| | | return super.decode(requestParameters); |
| | | } |
| | | |
| | | /** |
| | | * @see org.apache.wicket.request.target.coding.AbstractRequestTargetUrlCodingStrategy#appendParameters(org.apache.wicket.util.string.AppendingStringBuffer, |
| | | * java.util.Map) |
| | | */ |
| | | @Override |
| | | protected void appendParameters(AppendingStringBuffer url, Map<String, ?> parameters) |
| | | { |
| | | if (!url.endsWith("/")) |
| | | { |
| | | url.append("/"); |
| | | } |
| | | |
| | | Set<String> parameterNamesToAdd = new HashSet<String>(parameters.keySet()); |
| | | |
| | | // Find index of last specified parameter |
| | | boolean foundParameter = false; |
| | | int lastSpecifiedParameter = parameterNames.length; |
| | | while (lastSpecifiedParameter != 0 && !foundParameter) |
| | | { |
| | | foundParameter = parameters.containsKey(parameterNames[--lastSpecifiedParameter]); |
| | | } |
| | | |
| | | if (foundParameter) |
| | | { |
| | | for (int i = 0; i <= lastSpecifiedParameter; i++) |
| | | { |
| | | String parameterName = parameterNames[i]; |
| | | final Object param = parameters.get(parameterName); |
| | | String value = param instanceof String[] ? ((String[])param)[0] : ((param == null) |
| | | ? null : param.toString()); |
| | | if (value == null) |
| | | { |
| | | value = ""; |
| | | } |
| | | if (!url.endsWith("/")) |
| | | { |
| | | url.append("/"); |
| | | } |
| | | url.append(urlEncodePathComponent(value)); |
| | | parameterNamesToAdd.remove(parameterName); |
| | | } |
| | | } |
| | | |
| | | if (!parameterNamesToAdd.isEmpty()) |
| | | { |
| | | boolean first = true; |
| | | for (String parameterName : parameterNamesToAdd) |
| | | { |
| | | final Object param = parameters.get(parameterName); |
| | | if (param instanceof String[]) { |
| | | String [] values = (String[]) param; |
| | | for (String value : values) { |
| | | url.append(first ? '?' : '&'); |
| | | url.append(urlEncodeQueryComponent(parameterName)).append("=").append( |
| | | urlEncodeQueryComponent(value)); |
| | | first = false; |
| | | } |
| | | } else { |
| | | url.append(first ? '?' : '&'); |
| | | String value = String.valueOf(param); |
| | | url.append(urlEncodeQueryComponent(parameterName)).append("=").append( |
| | | urlEncodeQueryComponent(value)); |
| | | } |
| | | first = false; |
| | | } |
| | | } |
| | | } |
| | | } |