//
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// ASICloudFilesRequest.m
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// Part of ASIHTTPRequest -> http://allseeing-i.com/ASIHTTPRequest
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//
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// Created by Michael Mayo on 22/12/09.
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// Copyright 2009 All-Seeing Interactive. All rights reserved.
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//
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// A class for accessing data stored on Rackspace's Cloud Files Service
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// http://www.rackspacecloud.com/cloud_hosting_products/files
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//
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// Cloud Files Developer Guide:
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// http://docs.rackspacecloud.com/servers/api/cs-devguide-latest.pdf
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#import "ASICloudFilesRequest.h"
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static NSString *username = nil;
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static NSString *apiKey = nil;
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static NSString *authToken = nil;
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static NSString *storageURL = nil;
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static NSString *cdnManagementURL = nil;
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static NSString *rackspaceCloudAuthURL = @"https://auth.api.rackspacecloud.com/v1.0";
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static NSRecursiveLock *accessDetailsLock = nil;
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@implementation ASICloudFilesRequest
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+ (void)initialize
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{
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if (self == [ASICloudFilesRequest class]) {
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accessDetailsLock = [[NSRecursiveLock alloc] init];
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}
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}
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#pragma mark -
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#pragma mark Attributes and Service URLs
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+ (NSString *)authToken {
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return authToken;
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}
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+ (NSString *)storageURL {
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return storageURL;
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}
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+ (NSString *)cdnManagementURL {
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return cdnManagementURL;
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}
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#pragma mark -
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#pragma mark Authentication
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+ (id)authenticationRequest
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{
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[accessDetailsLock lock];
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ASIHTTPRequest *request = [[[ASIHTTPRequest alloc] initWithURL:[NSURL URLWithString:rackspaceCloudAuthURL]] autorelease];
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[request addRequestHeader:@"X-Auth-User" value:username];
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[request addRequestHeader:@"X-Auth-Key" value:apiKey];
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[accessDetailsLock unlock];
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return request;
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}
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+ (NSError *)authenticate
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{
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[accessDetailsLock lock];
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ASIHTTPRequest *request = [ASICloudFilesRequest authenticationRequest];
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[request startSynchronous];
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if (![request error]) {
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NSDictionary *responseHeaders = [request responseHeaders];
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authToken = [responseHeaders objectForKey:@"X-Auth-Token"];
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storageURL = [responseHeaders objectForKey:@"X-Storage-Url"];
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cdnManagementURL = [responseHeaders objectForKey:@"X-CDN-Management-Url"];
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// there is a bug in the Cloud Files API for some older accounts that causes
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// the CDN URL to come back in a slightly different header
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if (!cdnManagementURL) {
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cdnManagementURL = [responseHeaders objectForKey:@"X-Cdn-Management-Url"];
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}
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}
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[accessDetailsLock unlock];
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return [request error];
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}
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+ (NSString *)username
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{
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return username;
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}
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+ (void)setUsername:(NSString *)newUsername
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{
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[accessDetailsLock lock];
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[username release];
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username = [newUsername retain];
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[accessDetailsLock unlock];
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}
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+ (NSString *)apiKey {
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return apiKey;
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}
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+ (void)setApiKey:(NSString *)newApiKey
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{
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[accessDetailsLock lock];
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[apiKey release];
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apiKey = [newApiKey retain];
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[accessDetailsLock unlock];
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}
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#pragma mark -
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#pragma mark Date Parser
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-(NSDate *)dateFromString:(NSString *)dateString
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{
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// We store our date formatter in the calling thread's dictionary
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// NSDateFormatter is not thread-safe, this approach ensures each formatter is only used on a single thread
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// This formatter can be reused many times in parsing a single response, so it would be expensive to keep creating new date formatters
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NSMutableDictionary *threadDict = [[NSThread currentThread] threadDictionary];
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NSDateFormatter *dateFormatter = [threadDict objectForKey:@"ASICloudFilesResponseDateFormatter"];
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if (dateFormatter == nil) {
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dateFormatter = [[[NSDateFormatter alloc] init] autorelease];
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[dateFormatter setLocale:[[[NSLocale alloc] initWithLocaleIdentifier:@"en_US_POSIX"] autorelease]];
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// example: 2009-11-04T19:46:20.192723
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[dateFormatter setDateFormat:@"yyyy-MM-dd'T'H:mm:ss.SSSSSS"];
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[threadDict setObject:dateFormatter forKey:@"ASICloudFilesResponseDateFormatter"];
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}
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return [dateFormatter dateFromString:dateString];
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}
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@end
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