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/*
Copyright (C) 2000-2005 SKYRIX Software AG
This file is part of SOPE.
SOPE is free software; you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License as published by the
Free Software Foundation; either version 2, or (at your option) any
later version.
SOPE is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
License for more details.
You should have received a copy of the GNU Lesser General Public
License along with SOPE; see the file COPYING. If not, write to the
Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
02111-1307, USA.
*/
#include "WOInput.h"
@interface WOFileUpload : WOInput
{
// WODynamicElement: extraAttributes
// WODynamicElement: otherTagString
// inherited: name
// inherited: value
// inherited: disabled
@protected
WOAssociation *filePath; // disposition 'filename'
WOAssociation *data; // uploaded data
}
@end /* WOFileUpload */
#include "decommon.h"
#include <NGMime/NGMime.h>
#include <NGHttp/NGHttp.h>
@interface WORequest(UsedPrivates)
- (id)httpRequest;
@end
@implementation WOFileUpload
static NGMimeType *multipartFormData = nil;
+ (void)initialize {
static BOOL isInitialized = NO;
if (isInitialized) return;
isInitialized = YES;
multipartFormData = [[NGMimeType mimeType:@"multipart/form-data"] retain];
}
- (id)initWithName:(NSString *)_name
associations:(NSDictionary *)_config
template:(WOElement *)_t
{
if ((self = [super initWithName:_name associations:_config template:_t])) {
self->filePath = OWGetProperty(_config, @"filePath");
self->data = OWGetProperty(_config, @"data");
}
return self;
}
- (void)dealloc {
[self->filePath release];
[self->data release];
[super dealloc];
}
/* handling requests */
- (void)takeValuesFromRequest:(WORequest *)_rq inContext:(WOContext *)_ctx {
NGMimeMultipartBody *body;
NGMimeType *contentType;
NSString *currentId;
id formValue = nil;
NSArray *parts;
unsigned i, count;
if ([self->disabled boolValueInComponent:[_ctx component]])
return;
currentId = OWFormElementName(self, _ctx);
if ((formValue = [_rq formValueForKey:currentId]) == nil)
return;
contentType = [[_rq httpRequest] contentType];
if (![contentType hasSameType:multipartFormData]) {
[self warnWithFormat:
@"Tried to apply file-upload value of eid=%@ from "
@"a non multipart-form request (value=%@).",
[_ctx elementID], formValue];
return;
}
#if 0
NSLog(@"%@: value=%@ ..", [self elementID], formValue);
#endif
if ([self->data isValueSettable])
[self->data setValue:formValue inComponent:[_ctx component]];
/* the remainder is for locating the file path */
if (![self->filePath isValueSettable])
return;
body = [[_rq httpRequest] body];
if (![body isKindOfClass:[NGMimeMultipartBody class]])
/* TODO: shouldn't we log something? */
return;
/* search for part of current form element */
parts = [body parts];
for (i = 0, count = [parts count]; i < count; i++) {
static Class DispClass = Nil;
NSString *formName;
id disposition;
id<NGMimePart> bodyPart;
bodyPart = [parts objectAtIndex:i];
disposition = [[bodyPart valuesOfHeaderFieldWithName:
@"content-disposition"] nextObject];
if (disposition == nil)
continue;
if (DispClass == Nil)
DispClass = [NGMimeContentDispositionHeaderField class];
if (![disposition isKindOfClass:DispClass]) {
disposition =
[[DispClass alloc] initWithString:[disposition stringValue]];
disposition = [disposition autorelease];
}
formName = [(NGMimeContentDispositionHeaderField *)disposition name];
if ([formName isEqualToString:currentId]) {
[self->filePath setValue:[disposition filename]
inComponent:[_ctx component]];
break;
}
}
}
/* generating response */
- (void)appendToResponse:(WOResponse *)_response inContext:(WOContext *)_ctx {
NSString *v;
if ([_ctx isRenderingDisabled] || [[_ctx request] isFromClientComponent])
return;
v = [self->value stringValueInComponent:[_ctx component]];
WOResponse_AddCString(_response, "<input type=\"file\" name=\"");
[_response appendContentHTMLAttributeValue:OWFormElementName(self, _ctx)];
WOResponse_AddChar(_response, '"');
if (v != nil) {
WOResponse_AddCString(_response, " value=\"");
[_response appendContentHTMLAttributeValue:v];
WOResponse_AddChar(_response, '"');
}
[self appendExtraAttributesToResponse:_response inContext:_ctx];
if (self->otherTagString) {
WOResponse_AddChar(_response, ' ');
WOResponse_AddString(_response,
[self->otherTagString stringValueInComponent:
[_ctx component]]);
}
WOResponse_AddEmptyCloseParens(_response, _ctx);
}
/* description */
- (NSString *)associationDescription {
NSMutableString *str;
str = [NSMutableString stringWithCapacity:32];
[str appendString:[super associationDescription]];
if (self->filePath != nil) [str appendFormat:@" path=%@", self->filePath];
if (self->data != nil) [str appendFormat:@" data=%@", self->data];
return str;
}
@end /* WOFileUpload */
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