root / Classes / OpenStackRequest.m @ ef74c42f
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// |
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// OpenStackRequest.m |
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// OpenStack |
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// |
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// Created by Mike Mayo on 10/8/10. |
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// The OpenStack project is provided under the Apache 2.0 license. |
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// |
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|
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#import "OpenStackRequest.h" |
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#import "Provider.h" |
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#import "OpenStackAccount.h" |
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#import "JSON.h" |
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#import "Container.h" |
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#import "StorageObject.h" |
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#import "Folder.h" |
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#import "AccountManager.h" |
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#import "APICallback.h" |
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#import "APILogEntry.h" |
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#import "NSString+Conveniences.h" |
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|
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@implementation OpenStackRequest |
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|
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@synthesize account, callback, errorAlerter, retryWithUpdatedURL, followUpSelectorString, notificationURL; |
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|
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#pragma mark - Constructors |
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#pragma mark Generic |
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|
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+ (id)requestWithoutToken:(OpenStackAccount *)account method:(NSString *)method url:(NSURL *)url {
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OpenStackRequest *request = [[[self alloc] initWithURL:url] autorelease]; |
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request.account = account; |
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request.requestMethod = method; |
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[request addRequestHeader:@"Content-Type" value:@"application/json"]; |
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request.timeOutSeconds = 60; |
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request.numberOfTimesToRetryOnTimeout = 5; |
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request.validatesSecureCertificate = !account.ignoreSSLErrors; |
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request.retryWithUpdatedURL = (account.provider.manual ? NO : YES); |
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return request; |
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} |
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|
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+ (id)request:(OpenStackAccount *)account method:(NSString *)method url:(NSURL *)url {
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OpenStackRequest *request = [self requestWithoutToken:account method:method url:url]; |
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[request addRequestHeader:@"X-Auth-Token" value:account.authToken]; |
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return request; |
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} |
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|
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+ (id)filesRequest:(OpenStackAccount *)account method:(NSString *)method path:(NSString *)path {
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NSString *urlString = [account.filesURL description]; |
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if (account.sharingAccount) {
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urlString = [NSString stringWithFormat:@"%@%@", |
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[urlString substringToIndex:[urlString rangeOfString:account.username].location], |
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account.sharingAccount]; |
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} |
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NSURL *url = [NSURL URLWithString:[NSString stringWithFormat:@"%@%@?format=json%@", |
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urlString, |
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path, |
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(account.shared ? @"&shared=" : @"")]]; |
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return [self request:account method:method url:url]; |
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} |
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|
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#pragma mark NSCopying |
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|
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- (id)copyWithZone:(NSZone *)zone {
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OpenStackRequest *newRequest = [super copyWithZone:zone]; |
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newRequest.account = self.account; |
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newRequest.callback = self.callback; |
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newRequest.errorAlerter = self.errorAlerter; |
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newRequest.retryWithUpdatedURL = self.retryWithUpdatedURL; |
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newRequest.followUpSelectorString = self.followUpSelectorString; |
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newRequest.notificationURL = self.notificationURL; |
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return newRequest; |
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} |
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|
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#pragma mark Service Catalog |
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+ (id)serviceCatalogRequest:(OpenStackAccount *)account {
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OpenStackRequest *request = [self requestWithoutToken:account method:@"POST" url:account.provider.tokensURL]; |
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if (account.authToken.length) |
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[request appendPostData:[[NSString stringWithFormat:@"{\"auth\":{\"token\":{\"id\":\"%@\"}}}", account.authToken]
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dataUsingEncoding:NSUTF8StringEncoding]]; |
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return request; |
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} |
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|
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- (NSDictionary *)access {
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SBJSON *parser = [[[SBJSON alloc] init] autorelease]; |
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NSDictionary *access = [[parser objectWithString:[self responseString]] objectForKey:@"access"]; |
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return access; |
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} |
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|
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- (NSDictionary *)token {
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return [[self access] objectForKey:@"token"]; |
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} |
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- (NSArray *)serviceCatalog {
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return [[self access] objectForKey:@"serviceCatalog"]; |
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} |
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|
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- (NSArray *)user {
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return [[self access] objectForKey:@"user"]; |
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} |
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#pragma mark User Catalog |
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+ (id)userCatalogRequest:(OpenStackAccount *)account displaynames:(NSArray *)displaynames UUIDs:(NSArray *)UUIDs {
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OpenStackRequest *request = [self request:account method:@"POST" url:account.provider.userCatalogURL]; |
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NSMutableString *dataString = [NSMutableString stringWithString:@"{\"displaynames\":["];
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if (displaynames) {
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for (NSUInteger index = 0 ; index < displaynames.count ; index++) {
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[dataString appendFormat:@"\"%@\"%@", |
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[[[displaynames objectAtIndex:index] stringByReplacingOccurrencesOfString:@"\\" withString:@"\\\\"] |
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stringByReplacingOccurrencesOfString:@"\"" withString:@"\\\""], |
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((index == displaynames.count - 1) ? @"" : @",")]; |
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} |
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} |
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[dataString appendFormat:@"],\"uuids\":["]; |
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if (UUIDs) {
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for (NSUInteger index = 0 ; index < UUIDs.count ; index++) {
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[dataString appendFormat:@"\"%@\"%@", [UUIDs objectAtIndex:index], ((index == UUIDs.count - 1) ? @"" : @",")]; |
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} |
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} |
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[dataString appendFormat:@"]}"]; |
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[request appendPostData:[dataString dataUsingEncoding:NSUTF8StringEncoding]]; |
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return request; |
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} |
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|
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- (NSDictionary *)catalogs {
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SBJSON *parser = [[[SBJSON alloc] init] autorelease]; |
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NSDictionary *catalogs = [parser objectWithString:[self responseString]]; |
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return catalogs; |
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} |
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- (NSDictionary *)displaynameCatalog {
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return [[self catalogs] objectForKey:@"displayname_catalog"]; |
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} |
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- (NSDictionary *)UUIDCatalog {
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return [[self catalogs] objectForKey:@"uuid_catalog"]; |
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} |
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#pragma mark Top |
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+ (id)authenticationRequest:(OpenStackAccount *)account {
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OpenStackRequest *request = [[[self alloc] initWithURL:account.provider.authEndpointURL] autorelease]; |
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request.account = account; |
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request.requestMethod = @"GET"; |
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[request addRequestHeader:@"X-Auth-User" value:account.username]; |
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[request addRequestHeader:@"X-Auth-Token" value:account.authToken]; |
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request.timeOutSeconds = 60; |
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request.numberOfTimesToRetryOnTimeout = 5; |
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request.validatesSecureCertificate = !account.ignoreSSLErrors; |
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request.retryWithUpdatedURL = (account.provider.manual ? NO : YES); |
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return request; |
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} |
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|
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+ (id)getSharingAccountsRequest:(OpenStackAccount *)account |
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marker:(NSString *)marker sharingAccountsBuffer:(NSMutableDictionary *)sharingAccountsBuffer {
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OpenStackRequest *request = [self request:account method:@"GET" |
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url:[NSURL URLWithString:[NSString stringWithFormat:@"%@?format=json", |
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account.provider.authEndpointURL]]]; |
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if (marker) |
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request.url = [NSURL URLWithString:[NSString stringWithFormat:@"%@&marker=%@", request.url.description, [NSString encodeToPercentEscape:marker]]]; |
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if (!sharingAccountsBuffer) |
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sharingAccountsBuffer = [NSMutableDictionary dictionary]; |
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request.userInfo = [NSMutableDictionary dictionaryWithObjectsAndKeys: |
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sharingAccountsBuffer, @"sharingAccountsBuffer", |
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nil]; |
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return request; |
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} |
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+ (id)getSharingAccountsRequest:(OpenStackAccount *)account {
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return [self getSharingAccountsRequest:account marker:nil sharingAccountsBuffer:nil]; |
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} |
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- (NSArray *)jsonSharingAccounts {
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return [[[[SBJSON alloc] init] autorelease] objectWithString:[self responseString]]; |
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} |
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|
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#pragma mark Account |
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+ (id)getStorageAccountInfoRequest:(OpenStackAccount *)account {
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return [self filesRequest:account method:@"HEAD" path:@""]; |
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} |
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+ (id)getContainersRequest:(OpenStackAccount *)account |
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marker:(NSString *)marker containersBuffer:(NSMutableDictionary *)containersBuffer {
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OpenStackRequest *request = [self filesRequest:account method:@"GET" path:@""]; |
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if (marker) |
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request.url = [NSURL URLWithString:[NSString stringWithFormat:@"%@&marker=%@", request.url.description, [NSString encodeToPercentEscape:marker]]]; |
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if (!containersBuffer) |
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containersBuffer = [NSMutableDictionary dictionary]; |
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request.userInfo = [NSMutableDictionary dictionaryWithObjectsAndKeys: |
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containersBuffer, @"containersBuffer", |
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nil]; |
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return request; |
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} |
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+ (id)getContainersRequest:(OpenStackAccount *)account {
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return [self getContainersRequest:account marker:nil containersBuffer:nil]; |
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} |
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- (NSArray *)jsonContainers {
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return [[[[SBJSON alloc] init] autorelease] objectWithString:[self responseString]]; |
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} |
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+ (id)writeAccountMetadataRequest:(OpenStackAccount *)account withAccountInfo:(NSDictionary *)accountInfo {
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OpenStackRequest *request = [self filesRequest:account method:@"POST" path:@""]; |
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NSMutableDictionary *groups = [accountInfo objectForKey:@"groups"]; |
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if (groups.count) {
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for (NSString *groupName in groups) {
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[request.requestHeaders setObject:[NSString encodeToPercentEscape:[groups objectForKey:groupName]] |
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forKey:[NSString stringWithFormat:@"X-Account-Group-%@", [NSString encodeToPercentEscape:groupName]]]; |
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} |
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} else {
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[request.requestHeaders setObject:@"" forKey:@"X-Account-Group-group"]; |
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} |
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NSMutableDictionary *metadata = [accountInfo objectForKey:@"metadata"]; |
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for (NSString *key in metadata) {
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[request.requestHeaders setObject:[NSString encodeToPercentEscape:[metadata objectForKey:key]] |
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forKey:[NSString stringWithFormat:@"X-Account-Meta-%@", [NSString encodeToPercentEscape:key]]]; |
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} |
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return request; |
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} |
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|
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#pragma mark Container |
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+ (id)getContainerInfoRequest:(OpenStackAccount *)account container:(Container *)container {
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return [self filesRequest:account method:@"HEAD" path:[NSString stringWithFormat:@"/%@", [NSString encodeToPercentEscape:container.name]]]; |
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} |
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+ (id)createContainerRequest:(OpenStackAccount *)account container:(Container *)container {
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return [self filesRequest:account method:@"PUT" path:[NSString stringWithFormat:@"/%@", [NSString encodeToPercentEscape:container.name]]]; |
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} |
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+ (id)deleteContainerRequest:(OpenStackAccount *)account container:(Container *)container {
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return [self filesRequest:account method:@"DELETE" path:[NSString stringWithFormat:@"/%@", [NSString encodeToPercentEscape:container.name]]]; |
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} |
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+ (id)getObjectsRequest:(OpenStackAccount *)account container:(Container *)container |
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marker:(NSString *)marker objectsBuffer:(NSMutableDictionary *)objectsBuffer {
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OpenStackRequest *request = [self filesRequest:account method:@"GET" path:[NSString stringWithFormat:@"/%@", [NSString encodeToPercentEscape:container.name]]]; |
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if (marker) |
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request.url = [NSURL URLWithString:[NSString stringWithFormat:@"%@&marker=%@", request.url.description, [NSString encodeToPercentEscape:marker]]]; |
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if (!objectsBuffer) |
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objectsBuffer = [NSMutableDictionary dictionary]; |
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request.userInfo = [NSMutableDictionary dictionaryWithObjectsAndKeys: |
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container, @"container", |
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objectsBuffer, @"objectsBuffer", |
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nil]; |
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return request; |
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} |
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|
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+ (id)getObjectsRequest:(OpenStackAccount *)account container:(Container *)container {
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return [self getObjectsRequest:account container:container marker:nil objectsBuffer:nil]; |
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} |
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|
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- (NSArray *)jsonObjects {
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return [[[[SBJSON alloc] init] autorelease] objectWithString:[self responseString]]; |
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} |
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+ (id)writeContainerPolicyRequest:(OpenStackAccount *)account container:(Container *)container {
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OpenStackRequest *request = [self filesRequest:account method:@"PUT" path:[NSString stringWithFormat:@"/%@", [NSString encodeToPercentEscape:container.name]]]; |
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[request.requestHeaders setObject:container.versioning forKey:@"X-Container-Policy-Versioning"]; |
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[request.requestHeaders setObject:[NSString stringWithFormat:@"%u", container.quota] forKey:@"X-Container-Policy-Quota"]; |
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return request; |
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} |
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|
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#pragma mark Storage Object |
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|
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+ (id)getObjectInfoRequest:(OpenStackAccount *)account container:(Container *)container object:(StorageObject *)object {
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NSString *objectFullPath = object.fullPath; |
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if ([objectFullPath hasPrefix:@"/"]) |
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objectFullPath = [objectFullPath substringFromIndex:1]; |
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return [self filesRequest:account method:@"HEAD" path:[NSString stringWithFormat:@"/%@/%@", [NSString encodeToPercentEscape:container.name], [NSString encodeToPercentEscape:objectFullPath charactersToEncode:@"!*'();:@&=+$,?%#[]"]]]; |
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} |
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+ (id)getObjectInfoRequest:(OpenStackAccount *)account container:(Container *)container object:(StorageObject *)object version:(NSString *)version {
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OpenStackRequest *request = [self getObjectInfoRequest:account container:container object:object]; |
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request.url = [NSURL URLWithString:[NSString stringWithFormat:@"%@&version=%@", request.url.description, version]]; |
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return request; |
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} |
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|
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+ (id)getObjectVersionsRequest:(OpenStackAccount *)account container:(Container *)container object:(StorageObject *)object {
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OpenStackRequest *request = [self filesRequest:account method:@"GET" path:[NSString stringWithFormat:@"/%@/%@", [NSString encodeToPercentEscape:container.name], [NSString encodeToPercentEscape:object.fullPath charactersToEncode:@"!*'();:@&=+$,?%#[]"]]]; |
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request.url = [NSURL URLWithString:[NSString stringWithFormat:@"%@&version=list", request.url.description]]; |
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return request; |
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} |
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|
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- (NSMutableArray *)versions {
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SBJSON *parser = [[[SBJSON alloc] init] autorelease]; |
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NSArray *jsonVersions = [[parser objectWithString:[self responseString]] objectForKey:@"versions"]; |
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NSMutableArray *versions = [NSMutableArray arrayWithCapacity:[jsonVersions count]]; |
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for (NSArray *jsonVersion in jsonVersions) {
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[versions addObject:[NSDictionary dictionaryWithObjectsAndKeys: |
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[jsonVersion objectAtIndex:0], @"versionID", |
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[NSDate dateWithTimeIntervalSince1970:[[jsonVersion objectAtIndex:1] doubleValue]], @"versionDate", |
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nil]]; |
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} |
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return versions; |
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} |
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|
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|
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+ (id)getObjectRequest:(OpenStackAccount *)account container:(Container *)container object:(StorageObject *)object {
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return [self filesRequest:account method:@"GET" path:[NSString stringWithFormat:@"/%@/%@", [NSString encodeToPercentEscape:container.name], [NSString encodeToPercentEscape:object.fullPath charactersToEncode:@"!*'();:@&=+$,?%#[]"]]]; |
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} |
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|
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+ (id)getObjectRequest:(OpenStackAccount *)account container:(Container *)container object:(StorageObject *)object version:(NSString *)version {
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OpenStackRequest *request = [self getObjectRequest:account container:container object:object]; |
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if (version) |
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request.url = [NSURL URLWithString:[NSString stringWithFormat:@"%@&version=%@", request.url.description, version]]; |
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return request; |
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} |
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|
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+ (id)writeObjectRequest:(OpenStackAccount *)account container:(Container *)container object:(StorageObject *)object {
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NSString *objectFullPath = object.fullPath; |
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if ([objectFullPath hasPrefix:@"/"]) |
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objectFullPath = [objectFullPath substringFromIndex:1]; |
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OpenStackRequest *request = [self filesRequest:account method:@"PUT" path:[NSString stringWithFormat:@"/%@/%@", [NSString encodeToPercentEscape:container.name], [NSString encodeToPercentEscape:objectFullPath charactersToEncode:@"!*'();:@&=+$,?%#[]"]]]; |
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|
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if (object.sharing) |
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[request.requestHeaders setObject:object.sharing forKey:@"X-Object-Sharing"]; |
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|
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NSString *metadataKeyHeaderPrefix; |
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if ([objectFullPath length] == 0) |
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metadataKeyHeaderPrefix = @"X-Container-Meta-"; |
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else |
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metadataKeyHeaderPrefix = @"X-Object-Meta-"; |
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for (NSString *metadataKey in object.metadata) {
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NSString *metadataKeyHeader = [NSString stringWithFormat:@"%@%@", metadataKeyHeaderPrefix, metadataKey]; |
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metadataKeyHeader = [NSString encodeToPercentEscape:metadataKeyHeader]; |
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NSString *metadataValue = [NSString encodeToPercentEscape:[object.metadata objectForKey:metadataKey]]; |
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[request.requestHeaders setObject:metadataValue forKey:metadataKeyHeader]; |
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} |
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|
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[request setPostBody:[NSMutableData dataWithData:object.data]]; |
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[request.requestHeaders setObject:object.contentType forKey:@"Content-Type"]; |
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return request; |
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} |
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|
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+ (id)writeObjectMetadataRequest:(OpenStackAccount *)account container:(Container *)container object:(StorageObject *)object {
|
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NSString *objectFullPath = object.fullPath; |
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if ([objectFullPath hasPrefix:@"/"]) |
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objectFullPath = [objectFullPath substringFromIndex:1]; |
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OpenStackRequest *request = [self filesRequest:account method:@"POST" path:[NSString stringWithFormat:@"/%@/%@", [NSString encodeToPercentEscape:container.name], [NSString encodeToPercentEscape:objectFullPath charactersToEncode:@"!*'();:@&=+$,?%#[]"]]]; |
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|
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NSString *metadataKeyHeaderPrefix; |
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if ([objectFullPath length] == 0) |
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metadataKeyHeaderPrefix = @"X-Container-Meta-"; |
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else |
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metadataKeyHeaderPrefix = @"X-Object-Meta-"; |
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for (NSString *metadataKey in object.metadata) {
|
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NSString *metadataKeyHeader = [NSString stringWithFormat:@"%@%@", metadataKeyHeaderPrefix, metadataKey]; |
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metadataKeyHeader = [NSString encodeToPercentEscape:metadataKeyHeader]; |
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NSString *metadataValue = [NSString encodeToPercentEscape:[object.metadata objectForKey:metadataKey]]; |
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[request.requestHeaders setObject:metadataValue forKey:metadataKeyHeader]; |
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} |
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|
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if (!account.sharingAccount) {
|
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[request.requestHeaders setObject:([object.publicURI length] ? @"true" : @"false") forKey:@"X-Object-Public"]; |
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if (object.sharing) {
|
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[request.requestHeaders setObject:[NSString encodeToPercentEscape:object.sharing] forKey:@"X-Object-Sharing"]; |
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} |
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} |
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return request; |
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} |
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|
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+ (id)deleteObjectRequest:(OpenStackAccount *)account container:(Container *)container object:(StorageObject *)object {
|
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NSString *objectFullPath = object.fullPath; |
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if ([objectFullPath hasPrefix:@"/"]) |
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objectFullPath = [objectFullPath substringFromIndex:1]; |
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return [self filesRequest:account method:@"DELETE" path:[NSString stringWithFormat:@"/%@/%@", [NSString encodeToPercentEscape:container.name], [NSString encodeToPercentEscape:objectFullPath charactersToEncode:@"!*'();:@&=+$,?%#[]"]]]; |
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} |
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|
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#pragma mark - ASIHTTPRequest Overrides |
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|
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- (void)setCompletionBlock:(ASIBasicBlock)aCompletionBlock {
|
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[super setCompletionBlock:aCompletionBlock]; |
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[backupCompletionBlock release]; |
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backupCompletionBlock = [aCompletionBlock copy]; |
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} |
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|
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- (void)setFailedBlock:(ASIBasicBlock)aFailedBlock {
|
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[super setFailedBlock:aFailedBlock]; |
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[backupFailureBlock release]; |
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backupFailureBlock = [aFailedBlock copy]; |
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} |
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|
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- (void)failWithError:(NSError *)theError {
|
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if (responseStatusCode == 503) {
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NSNotification *notification = [NSNotification notificationWithName:@"serviceUnavailable" object:nil userInfo:nil]; |
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[[NSNotificationCenter defaultCenter] postNotification:notification]; |
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// This crashes the app, check if it can be removed completely. |
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// } else if (responseStatusCode == 0) {
|
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// NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults]; |
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// if (![defaults boolForKey:@"already_failed_on_connection"]) {
|
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// UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Connection Error" message:@"Please check your connection or API URL and try again." delegate:nil cancelButtonTitle:@"OK" otherButtonTitles:nil]; |
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// [alert show]; |
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// [alert release]; |
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// } |
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// [defaults setBool:YES forKey:@"already_failed_on_connection"]; |
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// [defaults synchronize]; |
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} |
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|
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[super failWithError:theError]; |
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} |
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|
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#pragma mark - Actions |
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|
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- (BOOL)isSuccess {
|
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return (200 <= [self responseStatusCode]) && ([self responseStatusCode] <= 299); |
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} |
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|
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#pragma mark - Notifications |
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|
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- (void)notify:(NSString *)name {
|
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NSDictionary *callbackUserInfo = [NSDictionary dictionaryWithObject:self forKey:@"response"]; |
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NSNotification *notification = [NSNotification notificationWithName:name object:nil userInfo:callbackUserInfo]; |
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[[NSNotificationCenter defaultCenter] postNotification:notification]; |
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} |
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|
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- (void)notify {
|
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NSString *observeName = [NSString stringWithFormat:@"%@ %@ %@", [self isSuccess] ? @"SUCCESS" : @"FAILURE", self.requestMethod, (self.notificationURL ? self.notificationURL.description : self.url.description)]; |
| 422 |
NSString *callbackName = [NSString stringWithFormat:@"%@ %@ %@ %@", [self isSuccess] ? @"SUCCESS" : @"FAILURE", self.requestMethod, (self.notificationURL ? self.notificationURL.description : self.url.description), self.callback.uuid]; |
| 423 |
|
| 424 |
NSDictionary *callbackUserInfo = [NSDictionary dictionaryWithObject:self forKey:@"response"]; |
| 425 |
|
| 426 |
NSNotification *observeNotification = [NSNotification notificationWithName:observeName object:nil userInfo:callbackUserInfo]; |
| 427 |
[[NSNotificationCenter defaultCenter] postNotification:observeNotification]; |
| 428 |
|
| 429 |
NSNotification *callbackNotification = [NSNotification notificationWithName:callbackName object:nil userInfo:callbackUserInfo]; |
| 430 |
[[NSNotificationCenter defaultCenter] postNotification:callbackNotification]; |
| 431 |
|
| 432 |
} |
| 433 |
|
| 434 |
#pragma mark - Memory Management |
| 435 |
|
| 436 |
- (void)releaseBackupBlocksOnMainThread {
|
| 437 |
NSMutableArray *blocks = [NSMutableArray array]; |
| 438 |
if (backupCompletionBlock) {
|
| 439 |
[blocks addObject:backupCompletionBlock]; |
| 440 |
[backupCompletionBlock release]; |
| 441 |
backupCompletionBlock = nil; |
| 442 |
} |
| 443 |
if (backupFailureBlock) {
|
| 444 |
[blocks addObject:backupFailureBlock]; |
| 445 |
[backupFailureBlock release]; |
| 446 |
backupFailureBlock = nil; |
| 447 |
} |
| 448 |
[[self class] performSelectorOnMainThread:@selector(releaseBackupBlocks:) withObject:blocks waitUntilDone:[NSThread isMainThread]]; |
| 449 |
} |
| 450 |
|
| 451 |
// Always called on main thread |
| 452 |
+ (void)releaseBackupBlocks:(NSArray *)blocks {
|
| 453 |
// Blocks will be released when this method exits |
| 454 |
} |
| 455 |
|
| 456 |
- (void)dealloc {
|
| 457 |
[account release]; |
| 458 |
[errorAlerter release]; |
| 459 |
[followUpSelectorString release]; |
| 460 |
[notificationURL release]; |
| 461 |
[self releaseBackupBlocksOnMainThread]; |
| 462 |
[super dealloc]; |
| 463 |
} |
| 464 |
|
| 465 |
@end |