[Relay] Add user authentication support.

.gitignore

@@ -35,3 +35,4 @@ playground.xcworkspace
 node_modules
 Example/Pods
 Example/compile_commands.json
+Example/Emission/Configuration.h

Example/Emission.xcodeproj/project.pbxproj

@@ -55,6 +55,7 @@
 		510E94FC1CCA828900BDF098 /* Base */ = {isa = PBXFileReference; lastKnownFileType = file.xib; name = Base; path = Base.lproj/LaunchScreen.xib; sourceTree = "<group>"; };
 		510E95131CCEB84F00BDF098 /* TestHelper.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = TestHelper.m; sourceTree = "<group>"; };
 		510E95151CCEC22C00BDF098 /* TestHelper.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = TestHelper.h; sourceTree = "<group>"; };
+		51E682F51D2DAE24008BC152 /* Configuration.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = Configuration.h; sourceTree = "<group>"; };
 		51F3E9A21CF3B8A4004A2013 /* RotationNavigationController.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = RotationNavigationController.h; sourceTree = "<group>"; };
 		51F3E9A31CF3B8A4004A2013 /* RotationNavigationController.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = RotationNavigationController.m; sourceTree = "<group>"; };
 		77CEB1618D840E2C430A8D7A /* libPods-Emission.a */ = {isa = PBXFileReference; explicitFileType = archive.ar; includeInIndex = 0; path = "libPods-Emission.a"; sourceTree = BUILT_PRODUCTS_DIR; };
@@ -98,6 +99,7 @@
 			isa = PBXGroup;
 			children = (
 				510E94FB1CCA828900BDF098 /* LaunchScreen.xib */,
+				51E682F51D2DAE24008BC152 /* Configuration.h */,
 				510DCB131CCA69EC0075E8CB /* AppDelegate.h */,
 				510DCB141CCA69EC0075E8CB /* AppDelegate.m */,
 				510DCB1C1CCA69EC0075E8CB /* Assets.xcassets */,

Example/Emission/AppDelegate.m

@@ -1,6 +1,8 @@
 #import "AppDelegate.h"
 #import "RotationNavigationController.h"
 
+#import "Configuration.h"
+
 #import <Emission/AREmission.h>
 #import <Emission/ARArtistComponentViewController.h>
 #import <Emission/ARHomeComponentViewController.h>
@@ -54,11 +56,11 @@ - (void)setupEmission;
   AREmission *emission = nil;
 #ifdef ENABLE_DEV_MODE
   NSURL *packagerURL = [NSURL URLWithString:@"http://localhost:8081/index.ios.bundle?platform=ios&dev=true"];
-  emission = [[AREmission alloc] initWithPackagerURL:packagerURL];
-  [AREmission setSharedInstance:emission];
+  emission = [[AREmission alloc] initWithAuthenticationToken:OAUTH_TOKEN packagerURL:packagerURL];
 #else
-  emission = [AREmission sharedInstance];
+  emission = [[AREmission alloc] initWithAuthenticationToken:OAUTH_TOKEN];
 #endif
+  [AREmission setSharedInstance:emission];
 
   emission.APIModule.artistFollowStatusProvider = ^(NSString *artistID, RCTResponseSenderBlock block) {
     NSNumber *following = @(randomBOOL());

Example/Emission/Configuration.h.sample

@@ -0,0 +1,8 @@
+// As per the Artsy API docs at https://developers.artsy.net/docs/authentication, generate a OAuth token for your user
+// account with the following command:
+//
+// $ curl -X POST "https://api.artsy.net/oauth2/access_token?client_id=e750db60ac506978fc70&client_secret=3a33d2085cbd1176153f99781bbce7c6&grant_type=credentials&scope=offline_access&email=...&password=..."
+//
+// (The client ID & secret are of Eigen OSS: https://github.com/artsy/eigen/blob/0e193d1b/Makefile#L36-L37)
+
+#define OAUTH_TOKEN @"token goes here"

Pod/Classes/Core/AREmission.h

@@ -14,7 +14,10 @@ NS_ASSUME_NONNULL_BEGIN
 + (instancetype)sharedInstance;
 + (void)setSharedInstance:(AREmission *)instance;
 
-- (instancetype)initWithPackagerURL:(nullable NSURL *)packagerURL NS_DESIGNATED_INITIALIZER;
+- (instancetype)initWithAuthenticationToken:(NSString *)authenticationToken;
+- (instancetype)initWithAuthenticationToken:(NSString *)authenticationToken packagerURL:(nullable NSURL *)packagerURL NS_DESIGNATED_INITIALIZER;
+
+- (instancetype)init NS_UNAVAILABLE;
 
 @end
 

Pod/Classes/Core/AREmission.m

@@ -4,6 +4,28 @@
 #import "ARTemporaryAPIModule.h"
 
 #import <React/RCTBridge.h>
+#import <React/RCTBridgeModule.h>
+
+
+@interface AREmissionConfiguration : NSObject <RCTBridgeModule>
+@property (nonatomic, strong, readwrite) NSString *authenticationToken;
+@end
+
+@implementation AREmissionConfiguration
+
+RCT_EXPORT_MODULE(Emission);
+
+- (NSDictionary *)constantsToExport
+{
+  return @{ @"authenticationToken": self.authenticationToken };
+}
+
+@end
+
+
+@interface AREmission ()
+@property (nonatomic, strong, readwrite) AREmissionConfiguration *configurationModule;
+@end
 
 @implementation AREmission
 
@@ -16,29 +38,29 @@ + (void)setSharedInstance:(AREmission *)instance;
 
 + (instancetype)sharedInstance;
 {
-  if (_sharedInstance == nil) {
-    static dispatch_once_t onceToken;
-    dispatch_once(&onceToken, ^{
-      _sharedInstance = [self new];
-    });
-  }
+  NSParameterAssert(_sharedInstance);
   return _sharedInstance;
 }
 
-- (instancetype)init;
+- (instancetype)initWithAuthenticationToken:(NSString *)authenticationToken;
 {
-  return [self initWithPackagerURL:nil];
+  return [self initWithAuthenticationToken:authenticationToken packagerURL:nil];
 }
 
-- (instancetype)initWithPackagerURL:(NSURL *)packagerURL;
+- (instancetype)initWithAuthenticationToken:(NSString *)authenticationToken packagerURL:(NSURL *)packagerURL;
 {
   if ((self = [super init])) {
     _eventsModule = [AREventsModule new];
     _switchBoardModule = [ARSwitchBoardModule new];
     _APIModule = [ARTemporaryAPIModule new];
+
+    _configurationModule = [AREmissionConfiguration new];
+    _configurationModule.authenticationToken = authenticationToken;
+
+    NSArray *modules = @[_APIModule, _configurationModule, _eventsModule, _switchBoardModule];
 
     _bridge = [[RCTBridge alloc] initWithBundleURL:(packagerURL ?: self.releaseBundleURL)
-                                    moduleProvider:^{ return @[_eventsModule, _switchBoardModule, _APIModule]; }
+                                    moduleProvider:^{ return modules; }
                                      launchOptions:nil];
   }
   return self;

README.md

@@ -13,20 +13,23 @@
    * `$ brew link pcre`
    * `$ brew install watchman --HEAD`
 3. Install NPM modules: `$ npm install`
-4. Install Pods: `cd Example && pod install`
+4. Install Pods: `$ cd Example && pod install`
+5. Configure secrets:
+   * Copy configuration file: `$ cd Example/Emission && cp Configuration.h.sample Configuration.h`
+   * Edit the configuration file as per the instructions inside.
 
 ### Development
 
 1. Run `$ npm start` from the top directory, which will:
-   - Clean the example app’s Xcode build dir.
-   - Start the example app’s React Native packager.
+   * Clean the example app’s Xcode build dir.
+   * Start the example app’s React Native packager.
 
 2. Now from Xcode you can run the app in `Example/Emission.xcworkspace`.
 
 3. We vendor some data from other repositories that you will sometimes need to update. You can either update all of them
    with `$ npm run sync-externals` or individually:
-   - The GraphQL schema of metaphysics that Relay uses to generate queries from: `$ npm run sync-schema`
-   - The colors defined in Artsy’s style-guide: `$ npm run sync-colors`
+   * The GraphQL schema of metaphysics that Relay uses to generate queries from: `$ npm run sync-schema`
+   * The colors defined in Artsy’s style-guide: `$ npm run sync-colors`
 
 ### Using Relay
 

lib/relay/config.js

@@ -2,6 +2,8 @@
 'use strict';
 
 import Relay from 'react-relay';
+import { NativeModules } from 'react-native';
+const { Emission } = NativeModules;
 
 // FIXME: Currently staging is pretty much useless for our purposes, as it doesn’t include partner data and thus the
 //        shows tab of the artist view has nothing to display.
@@ -18,10 +20,11 @@ let metaphysicsURL;
 export { metaphysicsURL };
 
 Relay.injectNetworkLayer(
-  new Relay.DefaultNetworkLayer(metaphysicsURL)
-    // headers: {
-    //   Authorization: 'Basic SECRET'
-    // })
+  new Relay.DefaultNetworkLayer(metaphysicsURL, {
+    headers: {
+      'X-ACCESS-TOKEN': Emission.authenticationToken,
+    }
+  })
 );
 
 // Disable the native polyfill during development, which will make network requests show-up in the Chrome dev-tools.