/*
- * Copyright 2001-2007 Internet2
+ * Copyright 2001-2009 Internet2
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
#include "handler/AbstractHandler.h"
#include "handler/LogoutHandler.h"
#include "remoting/ListenerService.h"
+#include "util/CGIParser.h"
#include "util/SPConstants.h"
+#include "util/TemplateParameters.h"
+
+#include <vector>
+#include <fstream>
+#include <xmltooling/XMLToolingConfig.h>
+#include <xmltooling/util/PathResolver.h>
+#include <xmltooling/util/URLEncoder.h>
+
#ifndef SHIBSP_LITE
# include <saml/saml1/core/Protocols.h>
# include <saml/saml2/metadata/Metadata.h>
# include <saml/saml2/metadata/MetadataCredentialCriteria.h>
# include <saml/util/SAMLConstants.h>
+# include <saml/SAMLConfig.h>
+# include <saml/binding/SAMLArtifact.h>
# include <xmltooling/util/StorageService.h>
using namespace opensaml::saml2md;
#else
const saml1p::Status* status = r1->getStatus();
if (status) {
const saml1p::StatusCode* sc = status->getStatusCode();
- const QName* code = sc ? sc->getValue() : NULL;
+ const xmltooling::QName* code = sc ? sc->getValue() : NULL;
if (code && *code != saml1p::StatusCode::SUCCESS) {
FatalProfileException ex("SAML response contained an error.");
ex.addProperty("statusCode", code->toString().c_str());
else if (SPConfig::getConfig().isEnabled(SPConfig::InProcess)) {
DDF out,in = DDF("set::RelayState").structure();
in.addmember("id").string(mech.second);
- in.addmember("value").string(relayState.c_str());
+ in.addmember("value").unsafe_string(relayState.c_str());
DDFJanitor jin(in),jout(out);
out = application.getServiceProvider().getListenerService()->send(in);
if (!out.isstring())
relayState.erase();
}
else {
- Category::getInstance(SHIBSP_LOGCAT".Handler").error(
- "Storage-backed RelayState with invalid StorageService ID (%s)", ssid.c_str()
- );
+ m_log.error("Storage-backed RelayState with invalid StorageService ID (%s)", ssid.c_str());
relayState.erase();
}
#endif
relayState.erase();
}
- // Check for "default" value.
- if (relayState.empty() || relayState == "default") {
+ // Check for "default" value (or the old "cookie" value that might come from stale bookmarks).
+ if (relayState.empty() || relayState == "default" || relayState == "cookie") {
pair<bool,const char*> homeURL=application.getString("homeURL");
- relayState=homeURL.first ? homeURL.second : "/";
+ if (homeURL.first)
+ relayState=homeURL.second;
+ else {
+ // Compute a URL to the root of the site.
+ int port = request.getPort();
+ const char* scheme = request.getScheme();
+ relayState = string(scheme) + "://" + request.getHostname();
+ if ((!strcmp(scheme,"http") && port!=80) || (!strcmp(scheme,"https") && port!=443)) {
+ ostringstream portstr;
+ portstr << port;
+ relayState += ":" + portstr.str();
+ }
+ relayState += '/';
+ }
+ }
+}
+
+void AbstractHandler::preservePostData(
+ const Application& application, const HTTPRequest& request, HTTPResponse& response, const char* relayState
+ ) const
+{
+#ifdef HAVE_STRCASECMP
+ if (strcasecmp(request.getMethod(), "POST")) return;
+#else
+ if (stricmp(request.getMethod(), "POST")) return;
+#endif
+
+ // No specs mean no save.
+ const PropertySet* props=application.getPropertySet("Sessions");
+ pair<bool,const char*> mech = props->getString("postData");
+ if (!mech.first) {
+ m_log.info("postData property not supplied, form data will not be preserved across SSO");
+ return;
+ }
+
+ DDF postData = getPostData(application, request);
+ if (postData.isnull())
return;
+
+ if (strstr(mech.second,"ss:") == mech.second) {
+ mech.second+=3;
+ if (!*mech.second) {
+ postData.destroy();
+ throw ConfigurationException("Unsupported postData mechanism ($1).", params(1, mech.second - 3));
+ }
+
+ string postkey;
+ if (SPConfig::getConfig().isEnabled(SPConfig::OutOfProcess)) {
+ DDFJanitor postjan(postData);
+#ifndef SHIBSP_LITE
+ StorageService* storage = application.getServiceProvider().getStorageService(mech.second);
+ if (storage) {
+ // Use a random key
+ string rsKey;
+ SAMLConfig::getConfig().generateRandomBytes(rsKey,20);
+ rsKey = SAMLArtifact::toHex(rsKey);
+ ostringstream out;
+ out << postData;
+ if (!storage->createString("PostData", rsKey.c_str(), out.str().c_str(), time(NULL) + 600))
+ throw IOException("Attempted to insert duplicate storage key.");
+ postkey = string(mech.second-3) + ':' + rsKey;
+ }
+ else {
+ m_log.error("storage-backed PostData mechanism with invalid StorageService ID (%s)", mech.second);
+ }
+#endif
+ }
+ else if (SPConfig::getConfig().isEnabled(SPConfig::InProcess)) {
+ DDF out,in = DDF("set::PostData").structure();
+ DDFJanitor jin(in),jout(out);
+ in.addmember("id").string(mech.second);
+ in.add(postData);
+ out = application.getServiceProvider().getListenerService()->send(in);
+ if (!out.isstring())
+ throw IOException("StorageService-backed PostData mechanism did not return a state key.");
+ postkey = string(mech.second-3) + ':' + out.string();
+ }
+
+ // Set a cookie with key info.
+ pair<string,const char*> shib_cookie = getPostCookieNameProps(application, relayState);
+ postkey += shib_cookie.second;
+ response.setCookie(shib_cookie.first.c_str(), postkey.c_str());
+ }
+ else {
+ postData.destroy();
+ throw ConfigurationException("Unsupported postData mechanism ($1).", params(1,mech.second));
+ }
+}
+
+DDF AbstractHandler::recoverPostData(
+ const Application& application, const HTTPRequest& request, HTTPResponse& response, const char* relayState
+ ) const
+{
+ // First we need the post recovery cookie.
+ pair<string,const char*> shib_cookie = getPostCookieNameProps(application, relayState);
+ const char* cookie = request.getCookie(shib_cookie.first.c_str());
+ if (!cookie || !*cookie)
+ return DDF();
+
+ // Clear the cookie.
+ string exp(shib_cookie.second);
+ exp += "; expires=Mon, 01 Jan 2001 00:00:00 GMT";
+ response.setCookie(shib_cookie.first.c_str(), exp.c_str());
+
+ // Look for StorageService-backed state of the form "ss:SSID:key".
+ const char* state = cookie;
+ if (strstr(state, "ss:") == state) {
+ state += 3;
+ const char* key = strchr(state, ':');
+ if (key) {
+ string ssid = string(cookie).substr(3, key - state);
+ key++;
+ if (!ssid.empty() && *key) {
+ SPConfig& conf = SPConfig::getConfig();
+ if (conf.isEnabled(SPConfig::OutOfProcess)) {
+#ifndef SHIBSP_LITE
+ StorageService* storage = conf.getServiceProvider()->getStorageService(ssid.c_str());
+ if (storage) {
+ if (storage->readString("PostData", key, &ssid) > 0) {
+ storage->deleteString("PostData", key);
+ istringstream inret(ssid);
+ DDF ret;
+ inret >> ret;
+ return ret;
+ }
+ else {
+ m_log.error("failed to recover form post data using key (%s)", key);
+ }
+ }
+ else {
+ m_log.error("storage-backed PostData with invalid StorageService ID (%s)", ssid.c_str());
+ }
+#endif
+ }
+ else if (conf.isEnabled(SPConfig::InProcess)) {
+ DDF in = DDF("get::PostData").structure();
+ DDFJanitor jin(in);
+ in.addmember("id").string(ssid.c_str());
+ in.addmember("key").string(key);
+ DDF out = application.getServiceProvider().getListenerService()->send(in);
+ if (out.islist())
+ return out;
+ out.destroy();
+ m_log.error("storageService-backed PostData mechanism did not return preserved data.");
+ }
+ }
+ }
+ }
+ return DDF();
+}
+
+long AbstractHandler::sendPostResponse(
+ const Application& application, HTTPResponse& httpResponse, const char* url, DDF& postData
+ ) const
+{
+ const PropertySet* props=application.getPropertySet("Sessions");
+ pair<bool,const char*> postTemplate = props->getString("postTemplate");
+ if (!postTemplate.first)
+ throw ConfigurationException("Missing postTemplate property, unable to recreate form post.");
+
+ string fname(postTemplate.second);
+ ifstream infile(XMLToolingConfig::getConfig().getPathResolver()->resolve(fname, PathResolver::XMLTOOLING_CFG_FILE).c_str());
+ if (!infile)
+ throw ConfigurationException("Unable to access HTML template ($1).", params(1, fname.c_str()));
+ TemplateParameters respParam;
+ respParam.m_map["action"] = url;
+
+ // Load the parameters into objects for the template.
+ multimap<string,string>& collection = respParam.m_collectionMap["PostedData"];
+ DDF param = postData.first();
+ while (param.isstring()) {
+ collection.insert(pair<const string,string>(param.name(), (param.string() ? param.string() : "")));
+ param = postData.next();
}
- if (relayState == "default")
- relayState.empty();
+ stringstream str;
+ XMLToolingConfig::getConfig().getTemplateEngine()->run(infile, str, respParam);
+
+ pair<bool,bool> postExpire = props->getBool("postExpire");
+
+ httpResponse.setContentType("text/html");
+ if (!postExpire.first || postExpire.second) {
+ httpResponse.setResponseHeader("Expires", "01-Jan-1997 12:00:00 GMT");
+ httpResponse.setResponseHeader("Cache-Control", "no-cache, no-store, must-revalidate, private");
+ httpResponse.setResponseHeader("Pragma", "no-cache");
+ }
+ return httpResponse.sendResponse(str);
+}
+
+pair<string,const char*> AbstractHandler::getPostCookieNameProps(const Application& app, const char* relayState) const
+{
+ // Decorates the name of the cookie with the relay state key, if any.
+ // Doing so gives a better assurance that the recovered data really
+ // belongs to the relayed request.
+ pair<string,const char*> shib_cookie=app.getCookieNameProps("_shibpost_");
+ if (strstr(relayState, "cookie:") == relayState) {
+ shib_cookie.first = string("_shibpost_") + (relayState + 7);
+ }
+ else if (strstr(relayState, "ss:") == relayState) {
+ const char* pch = strchr(relayState + 3, ':');
+ if (pch)
+ shib_cookie.first = string("_shibpost_") + (pch + 1);
+ }
+ return shib_cookie;
+}
+
+DDF AbstractHandler::getPostData(const Application& application, const HTTPRequest& request) const
+{
+ string contentType = request.getContentType();
+ if (contentType.compare("application/x-www-form-urlencoded") == 0) {
+ const PropertySet* props=application.getPropertySet("Sessions");
+ pair<bool,unsigned int> plimit = props->getUnsignedInt("postLimit");
+ if (!plimit.first)
+ plimit.second = 1024 * 1024;
+ if (plimit.second == 0 || request.getContentLength() <= plimit.second) {
+ CGIParser cgi(request);
+ pair<CGIParser::walker,CGIParser::walker> params = cgi.getParameters(NULL);
+ if (params.first == params.second)
+ return DDF();
+ DDF child;
+ DDF ret = DDF("parameters").list();
+ for (; params.first != params.second; ++params.first) {
+ if (!params.first->first.empty()) {
+ child = DDF(params.first->first.c_str()).unsafe_string(params.first->second);
+ ret.add(child);
+ }
+ }
+ return ret;
+ }
+ else {
+ m_log.warn("POST limit exceeded, ignoring %d bytes of posted data", request.getContentLength());
+ }
+ }
+ else {
+ m_log.info("ignoring POST data with non-standard encoding (%s)", contentType.c_str());
+ }
+ return DDF();
}
projects / shibboleth / sp.git / blobdiff