Adapt to updated SocketRocket pod refactorings. (#11)

While trying to pull in upstream changes to our fork of SocketRocket I
noticed we're publishing it/installing it from CocoaPods trunk, but
there's no need to do that.

Also, due to upstream refactoring, the actual included file has
changed.

// FREEBIE

Example/TSKitiOSTestApp/Podfile

@@ -3,8 +3,10 @@ source 'https://github.com/CocoaPods/Specs.git'
 
 target 'TSKitiOSTestApp' do
   pod 'SignalServiceKit', :path => '../../SignalServiceKit.podspec'
+  pod 'SocketRocket', git: 'https://github.com/WhisperSystems/SocketRocket.git', branch: 'signal-ios'
 
   target 'TSKitiOSTestAppTests' do
      inherit! :search_paths
   end
 end
+

Example/TSKitiOSTestApp/Podfile.lock

@@ -41,11 +41,11 @@ PODS:
     - CocoaLumberjack
     - libPhoneNumber-iOS
     - Mantle
-    - SocketRocket-PinningPolicy
+    - SocketRocket
     - SSKeychain
     - TwistedOakCollapsingFutures
     - YapDatabase/SQLCipher
-  - SocketRocket-PinningPolicy (0.4.3)
+  - SocketRocket (0.5.1)
   - SQLCipher/common (3.4.0)
   - SQLCipher/fts (3.4.0):
     - SQLCipher/common
@@ -105,10 +105,19 @@ PODS:
 
 DEPENDENCIES:
   - SignalServiceKit (from `../../SignalServiceKit.podspec`)
+  - SocketRocket (from `https://github.com/WhisperSystems/SocketRocket.git`, branch `signal-ios`)
 
 EXTERNAL SOURCES:
   SignalServiceKit:
     :path: "../../SignalServiceKit.podspec"
+  SocketRocket:
+    :branch: signal-ios
+    :git: https://github.com/WhisperSystems/SocketRocket.git
+
+CHECKOUT OPTIONS:
+  SocketRocket:
+    :commit: 587ad297eb63eb0d64d4caeb32a7da646ad1132b
+    :git: https://github.com/WhisperSystems/SocketRocket.git
 
 SPEC CHECKSUMS:
   '25519': dc4bad7e2dbcbf1efa121068a705a44cd98c80fc
@@ -120,14 +129,14 @@ SPEC CHECKSUMS:
   Mantle: bc40bb061d8c2c6fb48d5083e04d928c3b7f73d9
   ProtocolBuffers: d088180c10072b3d24a9939a6314b7b9bcc2340b
   Reachability: 33e18b67625424e47b6cde6d202dce689ad7af96
-  SignalServiceKit: db7e03dbb7870f77dfa2743eb0e4926dab59d792
-  SocketRocket-PinningPolicy: f2ef00c3927bac05cd04d9d5171f82d922b40d3d
+  SignalServiceKit: e27a3025c2d5c61696386e44a50ac8d2fe83151e
+  SocketRocket: 3f77ec2104cc113add553f817ad90a77114f5d43
   SQLCipher: 4c768761421736a247ed6cf412d9045615d53dff
   SSKeychain: c71293fa57216a40ab06c23f4085387583293de4
   TwistedOakCollapsingFutures: f359b90f203e9ab13dfb92c9ff41842a7fe1cd0c
   UnionFind: c33be5adb12983981d6e827ea94fc7f9e370f52d
   YapDatabase: c00f4197bba2fea17bdbd82c8e8e3f7104b6fa67
 
-PODFILE CHECKSUM: 913b3be9a409f864e7b2de3a8bb57d95da3b7358
+PODFILE CHECKSUM: 6bebc6fc58d19a6a56c27878035f7a074da10006
 
 COCOAPODS: 1.0.1

SignalServiceKit.podspec

@@ -37,7 +37,10 @@ An Objective-C library for communicating with the Signal messaging service.
   s.dependency 'AxolotlKit'
   s.dependency 'Mantle'
   s.dependency 'YapDatabase/SQLCipher'
-  s.dependency 'SocketRocket-PinningPolicy'
+  # NOTE: we're using a custom fork of SocketRocket to support our certificate
+  # pinning policy.
+  # see Example/TSKitiOSTestApp/Podfile for details
+  s.dependency 'SocketRocket'
   s.dependency 'libPhoneNumber-iOS'
   s.dependency 'SSKeychain'
   s.dependency 'TwistedOakCollapsingFutures'

src/Network/WebSockets/TSSocketManager.m

@@ -100,7 +100,7 @@ NSString *const SocketConnectingNotification = @"SocketConnectingNotification";
         [textSecureWebSocketAPI stringByAppendingString:[[self sharedManager] webSocketAuthenticationString]];
     NSURL *webSocketConnectURL   = [NSURL URLWithString:webSocketConnect];
     NSMutableURLRequest *request = [[NSMutableURLRequest alloc] initWithURL:webSocketConnectURL];
-    request.securityPolicy       = [AFSecurityOWSPolicy OWS_PinningPolicy];
+    request.SR_securityPolicy    = [AFSecurityOWSPolicy OWS_PinningPolicy];
 
     socket          = [[SRWebSocket alloc] initWithURLRequest:request];
     socket.delegate = [self sharedManager];

src/Security/AFSecurityOWSPolicy.h

@@ -6,10 +6,10 @@
 //  Copyright © 2015 Open Whisper Systems. All rights reserved.
 //
 
-#import <SocketRocket-PinningPolicy/SRWebSocket.h>
+#import <SocketRocket/NSURLRequest+SRWebSocket.h>
 #import "AFSecurityPolicy.h"
 
-@interface AFSecurityOWSPolicy : AFSecurityPolicy <CertificateVerifier>
+@interface AFSecurityOWSPolicy : AFSecurityPolicy <SRSecurityPolicy>
 
 + (instancetype)OWS_PinningPolicy;