1 files changed, 84 insertions, 0 deletions
diff --git a/Functions/FirebaseFunctions/FUNContext.m b/Functions/FirebaseFunctions/FUNContext.m
new file mode 100644
index 0000000..0ce4c2b
--- /dev/null
+++ b/Functions/FirebaseFunctions/FUNContext.m
@@ -0,0 +1,84 @@
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#import "FUNContext.h"
+
+#import "FIRApp.h"
+#import "FIRAppInternal.h"
+#import "FUNInstanceIDProxy.h"
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface FUNContext ()
+
+- (instancetype)initWithAuthToken:(NSString *_Nullable)authToken
+                  instanceIDToken:(NSString *_Nullable)instanceIDToken NS_DESIGNATED_INITIALIZER;
+
+@end
+
+@implementation FUNContext
+
+- (instancetype)initWithAuthToken:(NSString *_Nullable)authToken
+                  instanceIDToken:(NSString *_Nullable)instanceIDToken {
+  self = [super init];
+  if (self) {
+    _authToken = [authToken copy];
+    _instanceIDToken = [instanceIDToken copy];
+  }
+  return self;
+}
+
+@end
+
+@interface FUNContextProvider () {
+  FIRApp *_app;
+  FUNInstanceIDProxy *_instanceIDProxy;
+}
+@end
+
+@implementation FUNContextProvider
+
+- (instancetype)initWithApp:(FIRApp *)app {
+  self = [super init];
+  if (self) {
+    _app = app;
+    _instanceIDProxy = [[FUNInstanceIDProxy alloc] init];
+  }
+  return self;
+}
+
+// This is broken out so it can be mocked for tests.
+- (NSString *)instanceIDToken {
+  return [_instanceIDProxy token];
+}
+
+- (void)getContext:(void (^)(FUNContext *_Nullable context, NSError *_Nullable error))completion {
+  // Get the auth token.
+  [_app getTokenForcingRefresh:NO
+                  withCallback:^(NSString *_Nullable token, NSError *_Nullable error) {
+                    if (error) {
+                      completion(nil, error);
+                      return;
+                    }
+
+                    // Get the instance id token.
+                    NSString *_Nullable instanceIDToken = [self instanceIDToken];
+
+                    FUNContext *context = [[FUNContext alloc] initWithAuthToken:token
+                                                                instanceIDToken:instanceIDToken];
+                    completion(context, nil);
+                  }];
+}
+
+@end
+
+NS_ASSUME_NONNULL_END