Initial checkin of gRPC to third_party/

third_party/grpc/src/objective-c/GRPCClient/GRPCCall+OAuth2.m

 /*
- * Copyright (C) 2012 Google Inc. All rights reserved.
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
  * copyright notice, this list of conditions and the following disclaimer
  * in the documentation and/or other materials provided with the
  * distribution.
  *     * Neither the name of Google Inc. nor the names of its
  * contributors may be used to endorse or promote products derived from
  * this software without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
  */
 
-#ifndef PrerendererClient_h
-#define PrerendererClient_h
+#import "GRPCCall+OAuth2.h"
 
-#include "core/CoreExport.h"
-#include "core/page/Page.h"
-#include "platform/Supplementable.h"
+static NSString * const kAuthorizationHeader = @"authorization";
+static NSString * const kBearerPrefix = @"Bearer ";
+static NSString * const kChallengeHeader = @"www-authenticate";
 
-namespace blink {
+@implementation GRPCCall (OAuth2)
 
-class Page;
-class Prerender;
+- (NSString *)oauth2AccessToken {
+  NSString *headerValue = self.requestHeaders[kAuthorizationHeader];
+  if ([headerValue hasPrefix:kBearerPrefix]) {
+    return [headerValue substringFromIndex:kBearerPrefix.length];
+  } else {
+    return nil;
+  }
+}
 
-class CORE_EXPORT PrerendererClient : public Supplement<Page> {
-public:
-    virtual void willAddPrerender(Prerender*) = 0;
+- (void)setOauth2AccessToken:(NSString *)token {
+  if (token) {
+    self.requestHeaders[kAuthorizationHeader] = [kBearerPrefix stringByAppendingString:token];
+  } else {
+    [self.requestHeaders removeObjectForKey:kAuthorizationHeader];
+  }
+}
 
-    static const char* supplementName();
-    static PrerendererClient* from(Page*);
+- (NSString *)oauth2ChallengeHeader {
+  return self.responseHeaders[kChallengeHeader];
+}
 
-protected:
-    PrerendererClient() { }
-};
-
-CORE_EXPORT void providePrerendererClientTo(Page&, PrerendererClient*);
-
-} // namespace blink
-
-#endif // PrerendererClient_h
+@end