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2658ffe6b6
* GSWeb/GNUmakefile: use -Werror * GSWeb/GSWFileUpload.* added multiple file support * Testing/DynamicElements/FileUpload1Page.wo added multiple file support * GSWeb/* fixed warnings on Mountain Lion git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gsweb/trunk@36200 72102866-910b-0410-8b05-ffd578937521
448 lines
14 KiB
Objective-C
448 lines
14 KiB
Objective-C
/** GSWComponentRequestHandler.m - <title>GSWeb: Class GSWComponentRequestHandler</title>
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Copyright (C) 1999-2004 Free Software Foundation, Inc.
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Written by: David Wetzel <dave@turbocat.de>
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Date: Mar 2008
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$Revision$
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$Date$
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This file is part of the GNUstep Web Library.
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<license>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with this library; if not, write to the Free
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Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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</license>
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**/
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#include "config.h"
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RCS_ID("$Id$")
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#include "GSWeb.h"
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#include "GSWPrivate.h"
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//====================================================================
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@implementation GSWComponentRequestHandler
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// note: we are NOT looking at [WORequest _lookForIDsInCookiesFirst] since it is always NO -- dw
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- (NSDictionary*) requestHandlerValuesForRequest:(GSWRequest *) aRequest
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{
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NSMutableDictionary * aDictionary = [NSMutableDictionary dictionary];
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NSArray * pathArray = [aRequest requestHandlerPathArray];
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NSString * lastObject = nil;
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NSString * penultElement = nil;
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NSString * aSessionID = nil;
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NSString * aContextID = nil;
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NSString * aSenderID = nil;
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NSMutableString * pageName = nil;
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NSString * sessionIdKey = [GSWApp sessionIdKey];
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int p = 0;
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int count = 0;
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int length = 0;
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int pageNameLocation = 0;
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int pageNameLength = 0;
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if ((pathArray))
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{
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count = [pathArray count];
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}
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if (count != 0)
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{
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lastObject = [pathArray lastObject];
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if(count > 1)
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{
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penultElement = [pathArray objectAtIndex:count - 2];
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}
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for (length = [lastObject length]; ((p < length) && (isdigit([lastObject characterAtIndex:p]) != 0)); p++) { }
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if ((p < length) && ([lastObject characterAtIndex:p] == '.')) {
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aContextID = [lastObject substringToIndex:p];
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p++;
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aSenderID = [lastObject substringFromIndex:p];
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if ((penultElement != nil) && ([penultElement hasSuffix:GSWPagePSuffix[GSWebNamingConv]])) {
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if (GSWebNamingConv == 1) {
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pageNameLength = count - 2; // .wo
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} else {
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pageNameLength = count - 4; // .gswc
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}
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} else {
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if (penultElement != nil) {
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aSessionID = penultElement;
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pageNameLength = count - 2; // TODO:check if that works with GSWNAMES.
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} else {
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pageNameLength = 0;
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}
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}
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if (aContextID != nil)
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{
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[aDictionary setObject:aContextID forKey:GSWKey_ContextID[GSWebNamingConv]]; // wocid
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[aDictionary setObject:aSenderID forKey:GSWKey_ElementID[GSWebNamingConv]]; // woeid
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}
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} else {
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if ([lastObject hasSuffix:GSWPagePSuffix[GSWebNamingConv]]) {
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pageNameLength = count;
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} else {
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aSessionID = lastObject;
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pageNameLength = count - 1;
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}
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}
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if (pageNameLength != 0) {
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if (pageNameLength == 1) {
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pageName = [pathArray objectAtIndex:0];
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} else {
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int i;
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pageName = [(NSMutableString*) [NSMutableString alloc] initWithCapacity:256];
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[pageName autorelease];
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for (i = pageNameLocation; i < pageNameLength - pageNameLocation; i++) {
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[pageName appendString:[pathArray objectAtIndex:i]];
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[pageName appendString:@"/"];
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}
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[pageName appendString:[pathArray objectAtIndex:i]];
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}
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if ([pageName hasSuffix:GSWPagePSuffix[GSWebNamingConv]]) {
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if (GSWebNamingConv == 1) {
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pageName = (NSMutableString*) [pageName substringToIndex:[pageName length] - 3]; // .wo
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} else {
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pageName = (NSMutableString*) [pageName substringToIndex:[pageName length] - 5]; // .gswc
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}
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}
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[aDictionary setObject:pageName
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forKey:GSWKey_PageName[GSWebNamingConv]];
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}
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if (aSessionID == nil) {
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aSessionID = [aRequest stringFormValueForKey:sessionIdKey];
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if(aSessionID == nil) {
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aSessionID = [aRequest cookieValueForKey:sessionIdKey];
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}
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}
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} else {
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if ([GSWApp shouldRestoreSessionOnCleanEntry:aRequest]) {
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aSessionID = [aRequest cookieValueForKey:sessionIdKey];
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}
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}
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if ((aSessionID != nil) && ([aSessionID length] > 0)) {
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[aDictionary setObject:aSessionID forKey:sessionIdKey];
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}
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return aDictionary;
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}
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GSWResponse * _dispatchWithPreparedPage(GSWComponent * aPage, GSWSession * aSession, GSWContext * aContext, NSDictionary * someElements)
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{
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GSWRequest * aRequest = [aContext request];
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GSWApplication * anApplication = GSWApp;
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GSWResponse * aResponse = [anApplication createResponseInContext:aContext];
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NSString * aSenderID = [aContext senderID];
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NSString * oldContextID = [aSession _contextIDMatchingIDsInContext:aContext];
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BOOL didPageChange = NO;
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[aResponse setHTTPVersion:[aRequest httpVersion]];
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[aResponse setHeader:@"text/html"
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forKey:@"Content-Type"];
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[aContext _setResponse:aResponse];
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if (oldContextID == nil) {
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if ((aSenderID != nil) && ([aRequest _hasFormValues])) {
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[anApplication takeValuesFromRequest:aRequest inContext:aContext];
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}
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[aContext _setPageChanged:NO];
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if (aSenderID != nil) {
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id <GSWActionResults, NSObject> anActionResults = (id <GSWActionResults, NSObject>) [anApplication invokeActionForRequest:aRequest
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inContext:aContext];
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if ((anActionResults == nil) || ([anActionResults isKindOfClass: [GSWComponent class]])) {
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GSWComponent * aResultComponent = (GSWComponent*) anActionResults;
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if ((aResultComponent != nil) && ([aResultComponent context] != aContext)) {
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[aResultComponent _awakeInContext:aContext];
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}
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if ((aResultComponent != nil) && (aResultComponent != [aContext _pageElement])) {
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didPageChange = YES;
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}
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[aContext _setPageChanged:didPageChange];
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if (didPageChange) {
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[aContext _setPageElement:aResultComponent];
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}
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} else {
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// CHECKME: extend the GSWElement protocol? -- dw
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GSWResponse * theResponse = [(GSWComponent*)anActionResults generateResponse];
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return theResponse;
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}
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}
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} else {
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GSWComponent * responsePage = [aSession restorePageForContextID:oldContextID];
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[aContext _setPageElement:responsePage];
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}
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[anApplication appendToResponse:aResponse inContext: aContext];
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return aResponse;
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}
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GSWResponse * _dispatchWithPreparedSession(GSWSession * aSession, GSWContext * aContext, NSDictionary * someElements)
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{
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GSWComponent * aPage = nil;
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GSWResponse * aResponse = nil;
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NSString * aPageName = [someElements objectForKey:GSWKey_PageName[GSWebNamingConv]]; // "wopage"
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NSString * oldContextID = [aContext _requestContextID];
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GSWApplication * anApplication = GSWApp;
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NSString * sessionIdKey = [anApplication sessionIdKey];
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NSString * oldSessionID = [someElements objectForKey:sessionIdKey];
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BOOL clearIDsInCookies = NO;
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BOOL storesIDsInCookies = [aSession storesIDsInCookies];
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if ((oldSessionID == nil) || (oldContextID == nil)) {
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if ((aPageName == nil) && (!storesIDsInCookies))
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{
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GSWRequest * request = [aContext request];
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NSString * cookieHeader = [request headerForKey:GSWHTTPHeader_Cookie]; //"cookie"
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if ((cookieHeader != nil) && ([cookieHeader length] > 0)) {
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NSDictionary * cookieDict = [request cookieValues];
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if (([cookieDict objectForKey:sessionIdKey] != nil) ||
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([cookieDict objectForKey:[anApplication instanceIdKey]] != nil)) {
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clearIDsInCookies = YES;
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}
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}
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}
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aPage = [anApplication pageWithName:aPageName inContext:aContext];
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} else {
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aPage = [aSession restorePageForContextID:oldContextID];
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if (aPage == nil) {
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if ([anApplication _isPageRecreationEnabled]) {
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aPage = [anApplication pageWithName:aPageName inContext: aContext];
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} else {
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return [anApplication handlePageRestorationErrorInContext:aContext];
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}
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}
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}
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[aContext _setPageElement:aPage];
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aResponse = _dispatchWithPreparedPage(aPage, aSession, aContext, someElements);
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if ([anApplication isPageRefreshOnBacktrackEnabled]) {
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[aResponse disableClientCaching];
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}
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[aSession _saveCurrentPage];
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if ((clearIDsInCookies) && (!storesIDsInCookies)) {
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[aSession _clearCookieFromResponse:aResponse];
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}
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return aResponse;
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}
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GSWResponse * _dispatchWithPreparedApplication(GSWApplication *app, GSWContext * aContext, NSDictionary * requestHandlerDict)
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{
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GSWSession * session = nil;
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GSWResponse * response = nil;
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NSString * sessionID;
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sessionID = [requestHandlerDict objectForKey:GSWKey_SessionID[GSWebNamingConv]]; //@"wosid"
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if ((!sessionID)) {
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session = [app _initializeSessionInContext:aContext];
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if (session == nil) {
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response = [app handleSessionCreationErrorInContext:aContext];
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}
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} else {
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session = [app restoreSessionWithID:sessionID inContext:aContext];
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if (session == nil) {
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response = [app handleSessionRestorationErrorInContext:aContext];
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}
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}
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if (response == nil) {
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response = _dispatchWithPreparedSession(session, aContext, requestHandlerDict);
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}
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[aContext _putAwakeComponentsToSleep];
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[app saveSessionForContext:aContext];
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return response;
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}
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/*
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returns YES. Subclassers might override this.
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Used to reject requests to /favicon.ico in direct connect mode.
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*/
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- (BOOL) rejectFavicon
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{
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return YES;
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}
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- (GSWResponse*) _handleRequest:(GSWRequest*) aRequest
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{
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GSWContext * aContext = nil;
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NSDictionary * requestHandlerValues;
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NSString * aSessionID;
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NSString * aSenderID;
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NSString * uri;
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NSString * oldContextID;
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GSWStatisticsStore * aStatisticsStore;
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GSWResponse * aResponse;
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GSWApplication * app = GSWApp; // is there any reason not to use the global var? -- dw
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uri = [aRequest uri];
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if ([self rejectFavicon] && uri != nil) {
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if ([@"/favicon.ico" isEqualToString:uri]) {
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aResponse = [app createResponseInContext:nil];
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[aResponse setStatus:404]; // sorry kids
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return aResponse;
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}
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}
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requestHandlerValues = [self requestHandlerValuesForRequest:aRequest];
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aSessionID = [requestHandlerValues objectForKey:[app sessionIdKey]];
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if ((aSessionID == nil) && [app isRefusingNewSessions])
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{
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NSString * newLocationURL = [app _newLocationForRequest:aRequest];
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NSString * msgString = [NSString stringWithFormat:@"Sorry, your request could not immediately be processed. Please try this URL: <a href=\"%@\">%@</a>",
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newLocationURL, newLocationURL];
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aResponse = [app createResponseInContext:nil];
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[aResponse _redirectResponse:newLocationURL contentString:msgString];
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[aResponse _finalizeInContext:nil];
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return aResponse;
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}
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aSenderID = [requestHandlerValues objectForKey:GSWKey_ElementID[GSWebNamingConv]];
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oldContextID = [requestHandlerValues objectForKey:GSWKey_ContextID[GSWebNamingConv]];
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if ((aStatisticsStore = [app statisticsStore]))
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{
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[aStatisticsStore applicationWillHandleComponentActionRequest];
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}
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NS_DURING {
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aContext = [app createContextForRequest:aRequest];
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[aContext _setRequestContextID:oldContextID];
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[aContext _setSenderID:aSenderID];
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[app awake];
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aResponse = _dispatchWithPreparedApplication(app, aContext, requestHandlerValues);
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[[NSNotificationCenter defaultCenter] postNotificationName:DidHandleRequestNotification
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object:aContext];
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[app sleep];
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} NS_HANDLER {
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GSWSession * aSession = nil;
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NSLog(@"%s: Exception occurred while handling request:%@", __PRETTY_FUNCTION__, [localException reason]);
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if(aContext == nil)
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{
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aContext = [app createContextForRequest:aRequest];
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} else {
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[aContext _putAwakeComponentsToSleep];
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}
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aSession = [aContext _session];
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aResponse = [app handleException:localException
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inContext:aContext];
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if (aSession) {
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NS_DURING {
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[app saveSessionForContext:aContext];
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[app sleep];
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} NS_HANDLER {
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NSLog(@"WOApplication '%@': Another Exception occurred while trying to clean the application :%@", [app name], [localException reason]);
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} NS_ENDHANDLER;
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}
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} NS_ENDHANDLER;
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if ((aContext) && ([aContext _session]))
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{
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[app saveSessionForContext:aContext];
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}
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if ((aResponse))
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{
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[aResponse _finalizeInContext:aContext];
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}
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if ((aStatisticsStore))
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{
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GSWComponent * aPage = [aContext page];
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NSString * pageName = nil;
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if ((aPage))
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{
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pageName = [aPage name];
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}
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[aStatisticsStore applicationDidHandleComponentActionRequestWithPageNamed:pageName];
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}
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return aResponse;
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}
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/** Handle request aRequest and return the response
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This may lock the application
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**/
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-(GSWResponse*)handleRequest:(GSWRequest*)aRequest
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{
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//OK
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GSWResponse* response=nil;
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NSLock * lock;
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lock = [GSWApp requestHandlingLock];
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if (lock) {
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SYNCHRONIZED(lock) {
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response = [self _handleRequest:aRequest];
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}
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END_SYNCHRONIZED;
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} else {
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// no locking
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response = [self _handleRequest:aRequest];
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}
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return response;
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}
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// do we need this? -- dw
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// used in GSWApplication _componentRequestHandler
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+(id)handler
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{
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return [[GSWComponentRequestHandler new] autorelease];
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}
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@end
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