AFNetworking/AFNetworking/AFHTTPSessionManager.m

// AFHTTPSessionManager.m
//
// Copyright (c) 2013 AFNetworking (http://afnetworking.com)
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

#import "AFHTTPSessionManager.h"

#if (defined(__IPHONE_OS_VERSION_MAX_ALLOWED) && __IPHONE_OS_VERSION_MAX_ALLOWED >= 70000) || (defined(__MAC_OS_X_VERSION_MAX_ALLOWED) && __MAC_OS_X_VERSION_MAX_ALLOWED >= 1090)

#import "AFHTTPRequestOperation.h"

#import <Availability.h>
#import <Security/Security.h>

#ifdef _SYSTEMCONFIGURATION_H
#import <netinet/in.h>
#import <netinet6/in6.h>
#import <arpa/inet.h>
#import <ifaddrs.h>
#import <netdb.h>
#endif

#if defined(__IPHONE_OS_VERSION_MIN_REQUIRED)
#import <UIKit/UIKit.h>
#endif

@interface AFHTTPSessionManager ()
@property (readwrite, nonatomic, strong) NSURL *baseURL;
@property (readwrite, nonatomic, strong) AFNetworkReachabilityManager *reachabilityManager;
@end

@implementation AFHTTPSessionManager

+ (instancetype)manager {
    return [[AFHTTPSessionManager alloc] initWithBaseURL:nil];
}

- (instancetype)initWithBaseURL:(NSURL *)url {
    return [self initWithBaseURL:url sessionConfiguration:nil];
}

- (instancetype)initWithBaseURL:(NSURL *)url
           sessionConfiguration:(NSURLSessionConfiguration *)configuration
{
    self = [super initWithSessionConfiguration:configuration];
    if (!self) {
        return nil;
    }

    // Ensure terminal slash for baseURL path, so that NSURL +URLWithString:relativeToURL: works as expected
    if ([[url path] length] > 0 && ![[url absoluteString] hasSuffix:@"/"]) {
        url = [url URLByAppendingPathComponent:@""];
    }

    self.baseURL = url;

    self.requestSerializer = [AFHTTPRequestSerializer serializer];
    self.responseSerializer = [AFJSONResponseSerializer serializer];

    self.securityPolicy = [AFSecurityPolicy defaultPolicy];

    if (self.baseURL.host) {
        self.reachabilityManager = [AFNetworkReachabilityManager managerForDomain:self.baseURL.host];
    } else {
        self.reachabilityManager = [AFNetworkReachabilityManager sharedManager];
    }

    return self;
}

- (NSString *)description {
    return [NSString stringWithFormat:@"<%@: %p, baseURL: %@, session: %@, operationQueue: %@>", NSStringFromClass([self class]), self, [self.baseURL absoluteString], self.session, self.operationQueue];
}

#pragma mark -

#ifdef _SYSTEMCONFIGURATION_H
#endif

- (void)setRequestSerializer:(AFHTTPRequestSerializer <AFURLRequestSerialization> *)requestSerializer {
    NSParameterAssert(requestSerializer);

    _requestSerializer = requestSerializer;
}

- (void)setResponseSerializer:(AFHTTPResponseSerializer <AFURLResponseSerialization> *)responseSerializer {
    NSParameterAssert(responseSerializer);

    [super setResponseSerializer:responseSerializer];
}

#pragma mark -

- (NSURLSessionDataTask *)GET:(NSString *)URLString
                   parameters:(NSDictionary *)parameters
                      success:(void (^)(NSURLSessionDataTask *task, id responseObject))success
                      failure:(void (^)(NSURLSessionDataTask *task, NSError *error))failure
{
    NSMutableURLRequest *request = [self.requestSerializer requestWithMethod:@"GET" URLString:[[NSURL URLWithString:URLString relativeToURL:self.baseURL] absoluteString] parameters:parameters];

    __block NSURLSessionDataTask *task = [self dataTaskWithRequest:request completionHandler:^(NSURLResponse * __unused response, id responseObject, NSError *error) {
        if (error) {
            if (failure) {
                failure(task, error);
            }
        } else {
            if (success) {
                success(task, responseObject);
            }
        }
    }];

    [task resume];

    return task;
}

- (NSURLSessionDataTask *)HEAD:(NSString *)URLString
                    parameters:(NSDictionary *)parameters
                       success:(void (^)(NSURLSessionDataTask *task))success
                       failure:(void (^)(NSURLSessionDataTask *task, NSError *error))failure
{
    NSMutableURLRequest *request = [self.requestSerializer requestWithMethod:@"HEAD" URLString:[[NSURL URLWithString:URLString relativeToURL:self.baseURL] absoluteString] parameters:parameters];

    __block NSURLSessionDataTask *task = [self dataTaskWithRequest:request completionHandler:^(NSURLResponse * __unused response, id __unused responseObject, NSError *error) {
        if (error) {
            if (failure) {
                failure(task, error);
            }
        } else {
            if (success) {
                success(task);
            }
        }
    }];

    [task resume];

    return task;
}

- (NSURLSessionDataTask *)POST:(NSString *)URLString
                    parameters:(NSDictionary *)parameters
                       success:(void (^)(NSURLSessionDataTask *task, id responseObject))success
                       failure:(void (^)(NSURLSessionDataTask *task, NSError *error))failure
{
    NSMutableURLRequest *request = [self.requestSerializer requestWithMethod:@"POST" URLString:[[NSURL URLWithString:URLString relativeToURL:self.baseURL] absoluteString] parameters:parameters];

    __block NSURLSessionDataTask *task = [self dataTaskWithRequest:request completionHandler:^(NSURLResponse * __unused response, id responseObject, NSError *error) {
        if (error) {
            if (failure) {
                failure(task, error);
            }
        } else {
            if (success) {
                success(task, responseObject);
            }
        }
    }];

    [task resume];

    return task;
}

- (NSURLSessionDataTask *)POST:(NSString *)URLString
                    parameters:(NSDictionary *)parameters
     constructingBodyWithBlock:(void (^)(id <AFMultipartFormData> formData))block
                       success:(void (^)(NSURLSessionDataTask *task, id responseObject))success
                       failure:(void (^)(NSURLSessionDataTask *task, NSError *error))failure
{
    NSMutableURLRequest *request = [self.requestSerializer multipartFormRequestWithMethod:@"POST" URLString:[[NSURL URLWithString:URLString relativeToURL:self.baseURL] absoluteString] parameters:parameters constructingBodyWithBlock:block];

    __block NSURLSessionDataTask *task = [self dataTaskWithRequest:request completionHandler:^(NSURLResponse * __unused response, id responseObject, NSError *error) {
        if (error) {
            if (failure) {
                failure(task, error);
            }
        } else {
            if (success) {
                success(task, responseObject);
            }
        }
    }];

    [task resume];

    return task;
}

- (NSURLSessionDataTask *)PUT:(NSString *)URLString
                   parameters:(NSDictionary *)parameters
                      success:(void (^)(NSURLSessionDataTask *task, id responseObject))success
                      failure:(void (^)(NSURLSessionDataTask *task, NSError *error))failure
{
    NSMutableURLRequest *request = [self.requestSerializer requestWithMethod:@"PUT" URLString:[[NSURL URLWithString:URLString relativeToURL:self.baseURL] absoluteString] parameters:parameters];

    __block NSURLSessionDataTask *task = [self dataTaskWithRequest:request completionHandler:^(NSURLResponse * __unused response, id responseObject, NSError *error) {
        if (error) {
            if (failure) {
                failure(task, error);
            }
        } else {
            if (success) {
                success(task, responseObject);
            }
        }
    }];

    [task resume];

    return task;
}

- (NSURLSessionDataTask *)PATCH:(NSString *)URLString
                     parameters:(NSDictionary *)parameters
                        success:(void (^)(NSURLSessionDataTask *task, id responseObject))success
                        failure:(void (^)(NSURLSessionDataTask *task, NSError *error))failure
{
    NSMutableURLRequest *request = [self.requestSerializer requestWithMethod:@"PATCH" URLString:[[NSURL URLWithString:URLString relativeToURL:self.baseURL] absoluteString] parameters:parameters];

    __block NSURLSessionDataTask *task = [self dataTaskWithRequest:request completionHandler:^(NSURLResponse * __unused response, id responseObject, NSError *error) {
        if (error) {
            if (failure) {
                failure(task, error);
            }
        } else {
            if (success) {
                success(task, responseObject);
            }
        }
    }];
    
    [task resume];

    return task;
}

- (NSURLSessionDataTask *)DELETE:(NSString *)URLString
                      parameters:(NSDictionary *)parameters
                         success:(void (^)(NSURLSessionDataTask *task, id responseObject))success
                         failure:(void (^)(NSURLSessionDataTask *task, NSError *error))failure
{
    NSMutableURLRequest *request = [self.requestSerializer requestWithMethod:@"DELETE" URLString:[[NSURL URLWithString:URLString relativeToURL:self.baseURL] absoluteString] parameters:parameters];

    __block NSURLSessionDataTask *task = [self dataTaskWithRequest:request completionHandler:^(NSURLResponse * __unused response, id responseObject, NSError *error) {
        if (error) {
            if (failure) {
                failure(task, error);
            }
        } else {
            if (success) {
                success(task, responseObject);
            }
        }
    }];

    [task resume];

    return task;
}

#pragma mark - NSCoding

- (id)initWithCoder:(NSCoder *)decoder {
    NSURL *baseURL = [decoder decodeObjectForKey:NSStringFromSelector(@selector(baseURL))];
    NSURLSessionConfiguration *configuration = [decoder decodeObjectForKey:@"sessionConfiguration"];

    self = [self initWithBaseURL:baseURL sessionConfiguration:configuration];
    if (!self) {
        return nil;
    }

    self.requestSerializer = [decoder decodeObjectForKey:NSStringFromSelector(@selector(requestSerializer))];
    self.responseSerializer = [decoder decodeObjectForKey:NSStringFromSelector(@selector(responseSerializer))];

    return self;
}

- (void)encodeWithCoder:(NSCoder *)coder {
    [super encodeWithCoder:coder];

    [coder encodeObject:self.baseURL forKey:NSStringFromSelector(@selector(baseURL))];
    [coder encodeObject:self.session.configuration forKey:@"sessionConfiguration"];
    [coder encodeObject:self.requestSerializer forKey:NSStringFromSelector(@selector(requestSerializer))];
    [coder encodeObject:self.responseSerializer forKey:NSStringFromSelector(@selector(responseSerializer))];
}

#pragma mark - NSCopying

- (id)copyWithZone:(NSZone *)zone {
    AFHTTPSessionManager *HTTPClient = [[[self class] allocWithZone:zone] initWithBaseURL:self.baseURL sessionConfiguration:self.session.configuration];

    HTTPClient.requestSerializer = [self.requestSerializer copyWithZone:zone];
    HTTPClient.responseSerializer = [self.responseSerializer copyWithZone:zone];
    
    return HTTPClient;
}

@end

#endif