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MAHTTPRequest.m
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MAHTTPRequest.m
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//
// MAHTTPRequest.m
// MAAsyncIO
//
// Created by Raphael Bartolome on 14.04.11.
// Copyright 2011 Raphael Bartolome. All rights reserved.
//
#import "MAHTTPRequest.h"
/*
kMAHTTPGetMethod,
kMAHTTPPostMethod,
kMAHTTPPutMethod,
kMAHTTPHeadMethod,
kMAHTTPDeleteMethod,
kMAHTTPTraceMethod,
kMAHTTPOptionsMethod,
kMAHTTPConnectMethod,
kMAHTTPPathMethod,
kMAHTTPNotDefined,
*/
@implementation MAHTTPRequest
- (void)setMethod: (NSString *)method
{
[_method release];
_method = [method copy];
}
- (NSString *)_decodeURL: (NSString *)string
{
[string retain];
NSString *result = (NSString *)CFURLCreateStringByReplacingPercentEscapes(kCFAllocatorDefault,
(CFStringRef)string,
CFSTR(""));
if(result == NULL)
{
return [string autorelease];
}
else
{
[string release];
return [result autorelease];
}
}
- (void)_parseFormValues: (NSString *)kvps
{
[kvps retain];
NSArray *splitKVP = [kvps componentsSeparatedByString: @"&"];
for(NSUInteger i = 0; i < [splitKVP count]; i++)
{
NSString *kvp = [splitKVP objectAtIndex:i];
NSScanner *scanner = [[NSScanner alloc] initWithString:kvp];
NSString *key = NULL;
NSString *value = NULL;
if([scanner scanUpToString:@"=" intoString:&key])
{
value = [kvp substringFromIndex:[scanner scanLocation]+1];
}
NSString *decodedKey = [[self _decodeURL:key] retain];
NSString *decodedValue = [[self _decodeURL:value] retain];
[_formValues setObject:decodedValue forKey:decodedKey];
[decodedKey release];
[decodedValue release];
[scanner release];
}
[kvps release];
}
- (void)_parseResource: (NSString *)resource
{
[resource retain];
if([self method] != kMAHTTPPostMethod)
{
NSArray *splitMethodValues = [resource componentsSeparatedByString: @"?"];
if([splitMethodValues count] >= 1)
{
_resource = [[splitMethodValues objectAtIndex:0] copy];
if([splitMethodValues count] > 1)
{
[self _parseFormValues:[splitMethodValues objectAtIndex:1]];
}
}
}
else
{
_resource = [resource copy];
}
[resource release];
}
- (void)_parseHeader: (NSData *)header
{
[header retain];
_headerLength = [header length];
NSString *headerAsString = [[NSString alloc] initWithData: header encoding: NSUTF8StringEncoding];
NSArray *parts = [headerAsString componentsSeparatedByString: @"\n"];
for(NSUInteger i = 0; i < [parts count]; i++)
{
if(i == 0)
{
NSArray *methodSplit = [[parts objectAtIndex:0] componentsSeparatedByString: @" "];
[self setMethod:[methodSplit objectAtIndex:0]];
[self _parseResource:[methodSplit objectAtIndex:1]];
}
else
{
NSArray *partSplit = [[parts objectAtIndex:i] componentsSeparatedByString: @" "];
NSString *keyPart = [partSplit objectAtIndex:0];
NSString *key = [keyPart substringToIndex:[keyPart lengthOfBytesUsingEncoding:NSUTF8StringEncoding]-1];
[_header setObject:[partSplit objectAtIndex:1] forKey:key];
}
}
[headerAsString release];
[header release];
}
- (id)initWithHeader: (NSData *)header
{
if ((self = [super init]))
{
_header = [[NSMutableDictionary alloc] initWithCapacity:0];
_formValues = [[NSMutableDictionary alloc] initWithCapacity:0];
[self _parseHeader:header];
}
return self;
}
- (NSDictionary *)header
{
return _header;
}
- (NSInteger)headerLength
{
return _headerLength;
}
- (NSString *)methodString
{
return _method;
}
- (MAHTTPMethod)method
{
if([self methodString])
{
if([[self methodString] isEqualToString:@"GET"])
return kMAHTTPGetMethod;
else if([[self methodString] isEqualToString:@"POST"])
return kMAHTTPPostMethod;
else if([[self methodString] isEqualToString:@"PUT"])
return kMAHTTPPutMethod;
else if([[self methodString] isEqualToString:@"HEAD"])
return kMAHTTPHeadMethod;
else if([[self methodString] isEqualToString:@"DELETE"])
return kMAHTTPDeleteMethod;
else if([[self methodString] isEqualToString:@"TRACE"])
return kMAHTTPTraceMethod;
else if([[self methodString] isEqualToString:@"OPTIONS"])
return kMAHTTPOptionsMethod;
else if([[self methodString] isEqualToString:@"CONNECT"])
return kMAHTTPConnectMethod;
else if([[self methodString] isEqualToString:@"PATH"])
return kMAHTTPPathMethod;
}
return kMAHTTPNotDefined;
}
- (NSString *)resource
{
return _resource;
}
- (NSString *)resourceExtension
{
return [_resource pathExtension];
}
- (NSInteger)expectedContentLength
{
if([_header objectForKey:@"Content-Length"])
return [[_header objectForKey:@"Content-Length"] integerValue];
return 0;
}
- (id)formValueForKey: (NSString *)key
{
return [_formValues objectForKey:key];
}
- (NSDictionary *)formValues
{
return _formValues;
}
- (void)setContent: (NSData *)data
{
[_content release];
_content = [data copy];
if([self method] == kMAHTTPPostMethod &&
[_header objectForKey:@"Content-Type"] &&
[[_header objectForKey:@"Content-Type"] isEqualToString:@"application/x-www-form-urlencoded"])
{
[self _parseFormValues:[NSString stringWithUTF8String:[data bytes]]];
}
}
- (NSData *)content
{
return _content;
}
- (void)dealloc
{
[_formValues release];
[_method release];
[_resource release];
[_content release];
[_header release];
[super dealloc];
}
@end