opcAPIRequests.h

#import <Foundation/Foundation.h>
#import <RestKit/RestKit.h>
#import "opcUtils.h"

@interface opcAPIRequests : NSObject
+ (NSMutableURLRequest*) sendRequestTo:(NSString*)relativeURL withMethod:(RKRequestMethod)reqMethod  withUID:(NSString*)uid withKey:(NSString*)key;
+ (NSMutableURLRequest*) sendRequestTo:(NSString*)relativeURL withParams:(NSDictionary*)params withMethod:(RKRequestMethod)reqMethod  withUID:(NSString*)uid withKey:(NSString*)key;
+ (NSMutableURLRequest*) sendRequestTo:(NSString*)relativeURL withParams:(NSDictionary*)params withMethod:(RKRequestMethod)reqMethod ;
@end

opcAPIRequests.m

#import "opcAPIRequests.h"

// uid refers to the uid that is returned with  post to https://app.onpeagecrm.com/api/v3/login.json
// key refers to the base64 decoded key returned with the login request.

@implementation opcAPIRequests

+ (NSMutableURLRequest*) sendRequestTo:(NSString*)relativeURL withParams:(NSDictionary*)params withMethod:(RKRequestMethod)reqMethod {
    RKObjectManager *objectManager = [RKObjectManager sharedManager];
    NSMutableURLRequest *request = [objectManager requestWithObject:nil method:reqMethod
                                                               path:relativeURL
                                                         parameters:params];
    [request addValue:@"application/x-www-form-urlencoded" forHTTPHeaderField:@"Content-Type"];
    return request;
}

+ (NSMutableURLRequest*) sendRequestTo:(NSString*)relativeURL withMethod:(RKRequestMethod)reqMethod withUID:(NSString*)uid withKey:(NSString*)key{
    RKObjectManager *objectManager = [RKObjectManager sharedManager];
    NSMutableURLRequest *request = [objectManager requestWithObject:nil method:reqMethod
                                                               path:relativeURL
                                                         parameters:nil];
    NSInteger timestamp = [[NSDate date] timeIntervalSince1970];
    [request addValue:uid forHTTPHeaderField:@"X-OnePageCRM-UID"];
    [request addValue:[NSString stringWithFormat:@"%d", timestamp ] forHTTPHeaderField:@"X-OnePageCRM-TS"];
    NSString* authSignature = [opcUtils returnAuthWithKey:key withUID:uid  withTime:[NSString stringWithFormat:@"%d", timestamp ] withMethod:@"GET" withURL:[NSString stringWithFormat:@"%@%@",objectManager.baseURL,relativeURL]];
    [request addValue:authSignature forHTTPHeaderField:@"X-OnePageCRM-Auth"];
    return request;
}

+ (NSMutableURLRequest*) sendRequestTo:(NSString*)relativeURL withParams:(NSDictionary *)params withMethod:(RKRequestMethod)reqMethod withUID:(NSString*)uid withKey:(NSString*)key{
    RKObjectManager *objectManager = [RKObjectManager sharedManager];
    NSMutableURLRequest *request = [objectManager requestWithObject:nil method:reqMethod
                                                               path:relativeURL
                                                         parameters:params];
    NSInteger timestamp = [[NSDate date] timeIntervalSince1970];
    [request addValue:uid forHTTPHeaderField:@"X-OnePageCRM-UID"];
    [request addValue:[NSString stringWithFormat:@"%d", timestamp ] forHTTPHeaderField:@"X-OnePageCRM-TS"];
    NSString* authSignature = [opcUtils returnAuthWithKey:key withUID:uid  withTime:[NSString stringWithFormat:@"%d", timestamp ] withMethod:@"GET" withURL:[NSString stringWithFormat:@"%@%@",objectManager.baseURL,relativeURL]];
    [request addValue:authSignature forHTTPHeaderField:@"X-OnePageCRM-Auth"];
    return request;
}
@end