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102 lines
4.5 KiB
Objective-C
102 lines
4.5 KiB
Objective-C
/*
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Copyright (c) 2009-2011, Stefan Reitshamer http://www.haystacksoftware.com
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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* Neither the names of PhotoMinds LLC or Haystack Software, nor the names of
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their contributors may be used to endorse or promote products derived from
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this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
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TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#import "NSError_S3.h"
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#import "S3Service.h"
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#import "NSXMLNode_extra.h"
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#import "NSError_extra.h"
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@interface NSError (S3Internal)
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+ (NSXMLNode *)errorNodeWithinXMLData:(NSData *)theXMLData;
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@end
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@implementation NSError (S3)
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+ (NSError *)amazonErrorWithHTTPStatusCode:(int)theHTTPStatusCode responseBody:(NSData *)theResponseBody {
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NSXMLNode *errorNode = [NSError errorNodeWithinXMLData:theResponseBody];
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if (errorNode == nil) {
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return [NSError errorWithDomain:[S3Service errorDomain] code:S3SERVICE_ERROR_UNEXPECTED_RESPONSE userInfo:[NSDictionary dictionaryWithObject:@"error parsing S3 response" forKey:NSLocalizedDescriptionKey]];
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}
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NSString *errorCode = [[errorNode childNodeNamed:@"Code"] stringValue];
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NSString *errorMessage = [[errorNode childNodeNamed:@"Message"] stringValue];
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NSString *endpoint = [[errorNode childNodeNamed:@"Endpoint"] stringValue];
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NSMutableDictionary *userInfo = [NSMutableDictionary dictionary];
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[userInfo setObject:[NSNumber numberWithInt:theHTTPStatusCode] forKey:@"HTTPStatusCode"];
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if (errorCode != nil) {
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[userInfo setObject:errorCode forKey:@"AmazonCode"];
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}
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if (errorMessage != nil) {
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[userInfo setObject:errorMessage forKey:@"AmazonMessage"];
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}
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if (endpoint != nil) {
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[userInfo setObject:endpoint forKey:@"AmazonEndpoint"];
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}
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NSString *description = @"Amazon error";
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if (errorCode != nil && errorMessage != nil) {
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description = errorMessage;
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NSMutableString *details = [NSMutableString stringWithFormat:@"Code=%@; Message=%@", errorCode, errorMessage];
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if (endpoint != nil) {
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[details appendFormat:@"; Endpoint=%@", endpoint];
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}
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NSError *underlying = [NSError errorWithDomain:@"AmazonErrorDomain" code:theHTTPStatusCode description:details];
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[userInfo setObject:underlying forKey:NSUnderlyingErrorKey];
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}
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[userInfo setObject:description forKey:NSLocalizedDescriptionKey];
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return [NSError errorWithDomain:[S3Service errorDomain] code:S3SERVICE_ERROR_AMAZON_ERROR userInfo:userInfo];
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}
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@end
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@implementation NSError (S3Internal)
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+ (NSXMLNode *)errorNodeWithinXMLData:(NSData *)theXMLData {
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NSError *parseError = nil;
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NSXMLDocument *xmlDoc = [[[NSXMLDocument alloc] initWithData:theXMLData options:0 error:&parseError] autorelease];
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if (xmlDoc == nil) {
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HSLogError(@"error parsing S3 response: %@", [parseError localizedDescription]);
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return nil;
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}
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NSArray *errorNodes = [[xmlDoc rootElement] nodesForXPath:@"//Error" error:&parseError];
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if (errorNodes == nil) {
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HSLogError(@"error finding Error node in Amazon error XML: %@", [parseError localizedDescription]);
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return nil;
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}
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if ([errorNodes count] == 0) {
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HSLogWarn(@"missing Error node in S3 XML response");
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return nil;
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}
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if ([errorNodes count] > 1) {
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HSLogWarn(@"ignoring additional Error nodes in S3 XML response");
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}
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return [errorNodes objectAtIndex:0];
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}
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@end
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