Added support for working with Mail Chimp

Example/Podfile.lock

@@ -31,6 +31,7 @@ PODS:
     - SimpleAuth/Tumblr (= 0.3.9)
     - SimpleAuth/Twitter (= 0.3.9)
     - SimpleAuth/TwitterWeb (= 0.3.9)
+    - SimpleAuth/MailChimp (= 0.3.9)
   - SimpleAuth/BoxWeb (0.3.9):
     - SimpleAuth/Core
   - SimpleAuth/Core (0.3.9):
@@ -72,6 +73,8 @@ PODS:
   - SimpleAuth/TwitterWeb (0.3.9):
     - cocoa-oauth
     - SimpleAuth/Core
+  - SimpleAuth/MailChimp (0.3.9):
+    - SimpleAuth/Core
 
 DEPENDENCIES:
   - SimpleAuth (from `..`)

Example/SimpleAuth/Providers.plist

@@ -19,5 +19,6 @@
 	<string>trello-web</string>
 	<string>box-web</string>
 	<string>onedrive-web</string>
+	<string>mailchimp</string>
 </array>
 </plist>

Example/SimpleAuth/SADAppDelegate.m

@@ -88,6 +88,10 @@ - (void)configureAuthorizaionProviders {
 
     // client_id and client_secret are required
     SimpleAuth.configuration[@"onedrive-web"] = @{};
+
+    // client_id, client_secret, and redirect_uri are required
+    SimpleAuth.configuration[@"mailchimp"] = @{};
+
 }
 
 

Pod/Providers/MailChimp/SimpleAuthMailChimpConstants.h

@@ -0,0 +1,16 @@
+//
+//  SimpleAuthMailChimpConstants.h
+//  SimpleAuth
+//
+//  Created by Tal Kain <[email protected]>.
+//  Copyright (c) 2015 Fire Place Inc. All rights reserved.
+//
+
+#ifndef SimpleAuthMailChimpConstants_h
+#define SimpleAuthMailChimpConstants_h
+
+FOUNDATION_EXPORT NSString *const MAIL_CHIMP_AUTHORIZE_URI;
+FOUNDATION_EXPORT NSString *const MAIL_CHIMP_ACCESS_TOKEN_URI;
+FOUNDATION_EXPORT NSString *const MAIL_CHIMP_META_DATA_END_POINT_URI;
+
+#endif /* SimpleAuthMailChimpConstants_h */

Pod/Providers/MailChimp/SimpleAuthMailChimpConstants.m

@@ -0,0 +1,13 @@
+//
+//  SimpleAuthMailChimpConstants.m
+//  SimpleAuth
+//
+//  Created by Tal Kain <[email protected]>.
+//  Copyright (c) 2015 Fire Place Inc. All rights reserved.
+//
+
+// Based on https://apidocs.mailchimp.com/oauth2/
+
+NSString *const MAIL_CHIMP_AUTHORIZE_URI = @"https://login.mailchimp.com/oauth2/authorize";
+NSString *const MAIL_CHIMP_ACCESS_TOKEN_URI = @"https://login.mailchimp.com/oauth2/token";
+NSString *const MAIL_CHIMP_META_DATA_END_POINT_URI = @"https://login.mailchimp.com/oauth2/metadata";

Pod/Providers/MailChimp/SimpleAuthMailChimpLoginViewController.h

@@ -0,0 +1,14 @@
+//
+//  SimpleAuthMailChimpLoginViewController.h
+//  SimpleAuth
+//
+//  Created by Tal Kain <[email protected]>.
+//  Based on BoxWeb's provider created by dkhamsing and FoursquareWeb's provider created by Julien Seren-Rosso
+//  Copyright (c) 2015 Fire Place Inc. All rights reserved.
+//
+
+#import "SimpleAuthWebViewController.h"
+
+@interface SimpleAuthMailChimpLoginViewController : SimpleAuthWebViewController
+
+@end

Pod/Providers/MailChimp/SimpleAuthMailChimpLoginViewController.m

@@ -0,0 +1,38 @@
+//
+//  SimpleAuthMailChimpLoginViewController.m
+//  SimpleAuth
+//
+//  Created by Tal Kain <[email protected]>.
+//  Based on BoxWeb's provider created by dkhamsing and FoursquareWeb's provider created by Julien Seren-Rosso
+//  Copyright (c) 2015 Fire Place Inc. All rights reserved.
+//
+
+#import "SimpleAuthMailChimpLoginViewController.h"
+#import "SimpleAuthMailChimpConstants.h"
+
+@implementation SimpleAuthMailChimpLoginViewController
+
+#pragma mark - SimpleAuthWebViewController
+
+- (instancetype)initWithOptions:(NSDictionary *)options requestToken:(NSDictionary *)requestToken {
+    if ((self = [super initWithOptions:options requestToken:requestToken])) {
+        self.title = @"MailChimp";
+    }
+    return self;
+}
+
+- (NSURLRequest *)initialRequest {
+    NSDictionary *parameters = @{
+        @"client_id" : self.options[@"client_id"],
+        @"redirect_uri" : self.options[SimpleAuthRedirectURIKey],
+        @"response_type" : @"code"
+    };
+    NSString *URLString = [NSString stringWithFormat:@"%@?%@",
+                           MAIL_CHIMP_AUTHORIZE_URI,
+                           [CMDQueryStringSerialization queryStringWithDictionary:parameters]];
+    NSURL *URL = [NSURL URLWithString:URLString];
+
+    return [NSURLRequest requestWithURL:URL];
+}
+
+@end

Pod/Providers/MailChimp/SimpleAuthMailChimpProvider.h

@@ -0,0 +1,14 @@
+//
+//  SimpleAuthMailChimpProvider.h
+//  SimpleAuth
+//
+//  Created by Tal Kain <[email protected]>.
+//  Based on BoxWeb's provider created by dkhamsing and FoursquareWeb's provider created by Julien Seren-Rosso
+//  Copyright (c) 2015 Fire Place Inc. All rights reserved.
+//
+
+#import "SimpleAuthProvider.h"
+
+@interface SimpleAuthMailChimpProvider : SimpleAuthProvider
+
+@end

Pod/Providers/MailChimp/SimpleAuthMailChimpProvider.m

@@ -0,0 +1,210 @@
+//
+//  SimpleAuthMailChimpProvider.m
+//  SimpleAuth
+//
+//  Created by Tal Kain <[email protected]>.
+//  Based on BoxWeb's provider created by dkhamsing and FoursquareWeb's provider created by Julien Seren-Rosso
+//  Copyright (c) 2015 Fire Place Inc. All rights reserved.
+//
+
+#import "SimpleAuthMailChimpProvider.h"
+#import "SimpleAuthMailChimpLoginViewController.h"
+#import "SimpleAuthMailChimpConstants.h"
+
+#import <ReactiveCocoa/ReactiveCocoa.h>
+#import "UIViewController+SimpleAuthAdditions.h"
+
+@implementation SimpleAuthMailChimpProvider
+
+#pragma mark - SimpleAuthProvider
+
++ (NSString *)type {
+    return @"mailchimp";
+}
+
+
++ (NSDictionary *)defaultOptions {
+
+    // Default present block
+    SimpleAuthInterfaceHandler presentBlock = ^(UIViewController *controller) {
+        UINavigationController *navigation = [[UINavigationController alloc] initWithRootViewController:controller];
+        navigation.modalPresentationStyle = UIModalPresentationFormSheet;
+        UIViewController *presented = [UIViewController SimpleAuth_presentedViewController];
+        [presented presentViewController:navigation animated:YES completion:nil];
+    };
+
+    // Default dismiss block
+    SimpleAuthInterfaceHandler dismissBlock = ^(id controller) {
+        [controller dismissViewControllerAnimated:YES completion:nil];
+    };
+
+    NSMutableDictionary *dictionary = [NSMutableDictionary dictionaryWithDictionary:[super defaultOptions]];
+    dictionary[SimpleAuthPresentInterfaceBlockKey] = presentBlock;
+    dictionary[SimpleAuthDismissInterfaceBlockKey] = dismissBlock;
+    return dictionary;
+}
+
+
+- (void)authorizeWithCompletion:(SimpleAuthRequestHandler)completion {
+    [[[self accessToken]
+        flattenMap:^(NSDictionary *response) {
+            NSArray *signals = @[
+                [self accountWithAccessToken:response],
+                [RACSignal return:response]
+            ];
+            return [self rac_liftSelector:@selector(dictionaryWithAccount:accessToken:) withSignalsFromArray:signals];
+        }]
+        subscribeNext:^(NSDictionary *response) {
+            completion(response, nil);
+        }
+        error:^(NSError *error) {
+            completion(nil, error);
+        }];
+}
+
+#pragma mark - Private
+
+
+- (RACSignal *)accessToken {
+    return [[self authorizationCode] flattenMap:^(id responseObject) {
+        return [self accessTokenWithAuthorizationCode:responseObject];
+    }];
+}
+
+- (RACSignal *)authorizationCode {
+    return [RACSignal createSignal:^RACDisposable *(id<RACSubscriber> subscriber) {
+        dispatch_async(dispatch_get_main_queue(), ^{
+            SimpleAuthMailChimpLoginViewController *login = [[SimpleAuthMailChimpLoginViewController alloc] initWithOptions:self.options];
+            login.completion = ^(UIViewController *login, NSURL *URL, NSError *error) {
+                SimpleAuthInterfaceHandler dismissBlock = self.options[SimpleAuthDismissInterfaceBlockKey];
+                dismissBlock(login);
+
+                // Parse URL
+                NSString *fragment = [URL query];
+                NSDictionary *dictionary = [CMDQueryStringSerialization dictionaryWithQueryString:fragment];
+                NSString *code = dictionary[@"code"];
+
+                // Check for error
+                if (![code length]) {
+                    [subscriber sendError:error];
+                    return;
+                }
+
+                // Send completion
+                [subscriber sendNext:code];
+                [subscriber sendCompleted];
+            };
+
+            SimpleAuthInterfaceHandler block = self.options[SimpleAuthPresentInterfaceBlockKey];
+            block(login);
+        });
+        return nil;
+    }];
+}
+
+
+- (RACSignal *)accessTokenWithAuthorizationCode:(NSString *)code {
+    return [RACSignal createSignal:^RACDisposable *(id<RACSubscriber> subscriber) {
+
+        // Build parameters
+        NSDictionary *parameters = @{
+            @"code" : code,
+            @"client_id" : self.options[@"client_id"],
+            @"client_secret" : self.options[@"client_secret"],
+            @"redirect_uri" : self.options[SimpleAuthRedirectURIKey],
+            @"grant_type" : @"authorization_code"
+        };
+
+        // Build request
+        NSString *query = [CMDQueryStringSerialization queryStringWithDictionary:parameters];
+        NSURL *URL = [NSURL URLWithString:MAIL_CHIMP_ACCESS_TOKEN_URI];
+        NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:URL];
+        [request setHTTPMethod:@"POST"];
+        [request setValue:@"application/x-www-form-urlencoded; charset=utf-8" forHTTPHeaderField:@"Content-Type"];
+        [request setHTTPBody:[query dataUsingEncoding:NSUTF8StringEncoding]];
+
+        // Run request
+        [NSURLConnection sendAsynchronousRequest:request queue:self.operationQueue
+            completionHandler:^(NSURLResponse *response, NSData *data, NSError *connectionError) {
+                NSIndexSet *indexSet = [NSIndexSet indexSetWithIndexesInRange:NSMakeRange(200, 99)];
+                NSInteger statusCode = [(NSHTTPURLResponse *)response statusCode];
+                if ([indexSet containsIndex:statusCode] && data) {
+                    NSError *parseError = nil;
+                    NSDictionary *dictionary = [NSJSONSerialization JSONObjectWithData:data options:kNilOptions error:&parseError];
+                    if (dictionary) {
+                        [subscriber sendNext:dictionary];
+                        [subscriber sendCompleted];
+                    }
+                    else {
+                        [subscriber sendError:parseError];
+                    }
+                }
+                else {
+                    [subscriber sendError:connectionError];
+                }
+            }];
+        return nil;
+    }];
+}
+
+- (RACSignal *)accountWithAccessToken:(NSDictionary *)accessToken {
+    return [RACSignal createSignal:^RACDisposable *(id<RACSubscriber> subscriber) {
+        NSURL *URL = [NSURL URLWithString:MAIL_CHIMP_META_DATA_END_POINT_URI];
+        NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:URL];
+        NSString *oauthCode = [NSString stringWithFormat:@"OAuth %@", accessToken[@"access_token"]];
+        [request setValue:oauthCode forHTTPHeaderField:@"Authorization"];
+        [NSURLConnection sendAsynchronousRequest:request queue:self.operationQueue
+            completionHandler:^(NSURLResponse *response, NSData *data, NSError *connectionError) {
+                NSIndexSet *indexSet = [NSIndexSet indexSetWithIndexesInRange:NSMakeRange(200, 99)];
+                NSInteger statusCode = [(NSHTTPURLResponse *)response statusCode];
+                if ([indexSet containsIndex:statusCode] && data) {
+                    NSError *parseError = nil;
+                    NSDictionary *dictionary = [NSJSONSerialization JSONObjectWithData:data options:kNilOptions error:&parseError];
+                    if (dictionary) {
+                        [subscriber sendNext:dictionary];
+                        [subscriber sendCompleted];
+                    }
+                    else {
+                        [subscriber sendError:parseError];
+                    }
+                }
+                else {
+                    [subscriber sendError:connectionError];
+                }
+            }];
+        return nil;
+    }];
+}
+
+
+- (NSDictionary *)dictionaryWithAccount:(NSDictionary *)account accessToken:(NSDictionary *)accessToken {
+    NSMutableDictionary *dictionary = [NSMutableDictionary new];
+
+    // Provider
+    dictionary[@"provider"] = [[self class] type];
+
+    // Credentials
+    dictionary[@"credentials"] = @{
+        @"token" : accessToken[@"access_token"],
+        @"type" : @"authorization_code",
+        @"expires_in": accessToken[@"expires_in"],
+    };
+
+    // User ID
+    dictionary[@"id"] = account[@"id"];
+
+    // Raw response
+    dictionary[@"extra"] = @{
+        @"raw_info" : account
+    };
+
+    // User info
+    NSMutableDictionary *user = [NSMutableDictionary new];
+    user[@"login"] = account[@"login"];
+    user[@"name"] = account[@"name"];
+    dictionary[@"info"] = user;
+
+    return dictionary;
+}
+
+@end

SimpleAuth.podspec

@@ -128,4 +128,10 @@ Pod::Spec.new do |s|
     ss.private_header_files = 'Pod/Providers/OneDriveWeb/*.h'
   end
 
+  s.subspec 'MailChimp' do |ss|
+    ss.dependency 'SimpleAuth/Core'
+    ss.source_files = 'Pod/Providers/MailChimp'
+    ss.private_header_files = 'Pod/Providers/MailChimp/*.h'
+  end
+
 end