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STHTTPRequest.h
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STHTTPRequest.h
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/*
Copyright (c) 2012, Nicolas Seriot
All rights reserved.
Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
* Neither the name of the Nicolas Seriot nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#import <Foundation/Foundation.h>
extern NSUInteger const kSTHTTPRequestCancellationError;
extern NSUInteger const kSTHTTPRequestDefaultTimeout;
@class STHTTPRequest;
typedef void (^sendRequestBlock_t)(STHTTPRequest *request);
typedef void (^uploadProgressBlock_t)(int64_t bytesWritten, int64_t totalBytesWritten, int64_t totalBytesExpectedToWrite);
typedef void (^downloadProgressBlock_t)(NSData *data, int64_t totalBytesReceived, int64_t totalBytesExpectedToReceive);
typedef void (^completionBlock_t)(NSDictionary *headers, NSString *body);
typedef void (^completionDataBlock_t)(NSDictionary *headers, NSData *body);
typedef void (^errorBlock_t)(NSError *error);
typedef NS_ENUM(NSUInteger, STHTTPRequestCookiesStorage) {
STHTTPRequestCookiesStorageShared = 0,
STHTTPRequestCookiesStorageLocal = 1,
STHTTPRequestCookiesStorageNoStorage = 2,
STHTTPRequestCookiesStorageUndefined = NSUIntegerMax
};
@interface STHTTPRequest : NSObject <NSURLSessionDataDelegate>
@property (copy) uploadProgressBlock_t uploadProgressBlock;
@property (copy) downloadProgressBlock_t downloadProgressBlock;
@property (copy) completionBlock_t completionBlock;
@property (copy) errorBlock_t errorBlock;
@property (copy) completionDataBlock_t completionDataBlock;
// request
@property (nonatomic, strong) NSString *HTTPMethod; // default: GET, overridden by POST if POSTDictionary or files to upload
@property (nonatomic, strong) NSMutableDictionary *requestHeaders;
@property (nonatomic, strong) NSDictionary *POSTDictionary; // keys and values are NSString instances
@property (nonatomic, strong) NSDictionary *GETDictionary; // appended to the URL string
@property (nonatomic, strong) NSData *rawPOSTData; // eg. to post JSON contents
@property (nonatomic) NSStringEncoding POSTDataEncoding;
@property (nonatomic) NSTimeInterval timeoutSeconds; // ignored if 0
@property (nonatomic) BOOL addCredentialsToURL; // default NO
@property (nonatomic) BOOL encodePOSTDictionary; // default YES
@property (nonatomic) BOOL encodeGETDictionary; // default YES, set to NO if the parameters are already URL encoded
@property (nonatomic, strong, readonly) NSURL *url;
@property (nonatomic) BOOL preventRedirections;
@property (nonatomic) BOOL useUploadTaskInBackground;
@property (nonatomic) STHTTPRequestCookiesStorage cookieStoragePolicyForInstance; // overrides globalCookiesStoragePolicy
@property (nonatomic) NSString *sharedContainerIdentifier;
+ (void)setBackgroundCompletionHandler:(void(^)(void))completionHandler forSessionIdentifier:(NSString *)sessionIdentifier;
//+ (void(^)())backgroundCompletionHandlerForSessionIdentifier:(NSString *)sessionIdentifier;
// response
@property (nonatomic) NSStringEncoding forcedResponseEncoding;
@property (nonatomic, readonly) NSInteger responseStatus;
@property (nonatomic, strong, readonly) NSString *responseStringEncodingName;
@property (nonatomic, strong, readonly) NSDictionary *responseHeaders;
@property (nonatomic, strong) NSString *responseString;
@property (nonatomic, strong, readonly) NSMutableData *responseData;
@property (nonatomic, strong, readonly) NSError *error;
@property (nonatomic) long long responseExpectedContentLength; // set by connection:didReceiveResponse: delegate method; web server must send the Content-Length header for accurate value
// cache
@property (nonatomic) BOOL ignoreCache; // requests ignore cached responses and responses don't get cached
+ (instancetype)requestWithURL:(NSURL *)url;
+ (instancetype)requestWithURLString:(NSString *)urlString;
+ (void)setGlobalIgnoreCache:(BOOL)ignoreCache; // no cache at all when set, overrides the ignoreCache property
- (NSString *)debugDescription; // logged when launched with -STHTTPRequestShowDebugDescription 1
- (NSString *)curlDescription; // logged when launched with -STHTTPRequestShowCurlDescription 1
- (NSString *)startSynchronousWithError:(NSError **)error;
- (void)startAsynchronous;
- (void)cancel;
// Cookies
+ (void)addCookieToSharedCookiesStorage:(NSHTTPCookie *)cookie;
+ (void)addCookieToSharedCookiesStorageWithName:(NSString *)name value:(NSString *)value url:(NSURL *)url;
- (void)addCookieWithName:(NSString *)name value:(NSString *)value url:(NSURL *)url;
- (void)addCookieWithName:(NSString *)name value:(NSString *)value;
- (NSArray *)requestCookies;
- (NSArray *)sessionCookies;
+ (NSArray *)sessionCookiesInSharedCookiesStorage;
+ (void)deleteAllCookiesFromSharedCookieStorage;
+ (void)deleteAllCookiesFromLocalCookieStorage;
- (void)deleteSessionCookies; // empty the cookie storage that is used
+ (void)setGlobalCookiesStoragePolicy:(STHTTPRequestCookiesStorage)cookieStoragePolicy;
// Credentials
+ (NSURLCredential *)sessionAuthenticationCredentialsForURL:(NSURL *)requestURL;
- (void)setUsername:(NSString *)username password:(NSString *)password;
- (NSString *)username;
- (NSString *)password;
+ (void)deleteAllCredentials;
// Headers
- (void)setHeaderWithName:(NSString *)name value:(NSString *)value;
- (void)removeHeaderWithName:(NSString *)name;
- (NSDictionary *)responseHeaders;
// Upload
- (void)addFileToUpload:(NSString *)path parameterName:(NSString *)param;
- (void)addDataToUpload:(NSData *)data parameterName:(NSString *)param;
- (void)addDataToUpload:(NSData *)data parameterName:(NSString *)param mimeType:(NSString *)mimeType fileName:(NSString *)fileName;
// Session
+ (void)clearSession; // delete all credentials and cookies
// DEBUG
- (NSURLRequest *)prepareURLRequest; // prepare the request according to the STHTTPRequest instance state
@end
@interface NSError (STHTTPRequest)
- (BOOL)st_isAuthenticationError;
- (BOOL)st_isCancellationError;
@end
@interface NSString (RFC3986)
- (NSString *)st_stringByAddingRFC3986PercentEscapesUsingEncoding:(NSStringEncoding)encoding;
@end
@interface NSString (STUtilities)
- (NSString *)st_stringByAppendingGETParameters:(NSDictionary *)parameters doApplyURLEncoding:(BOOL)doApplyURLEncoding;
@end