[Mac] All WebKit clients should encrypt WebCrypto keys automatically

[Alexey Proskuryakov]

We have a client call to get a WebCrypto master key, but most client won't implement it. WebKit should provide encryption by default.

<rdar://problem/15921734>

[Alexey Proskuryakov]

Created attachment 224262 [details]
proposed patch

[Alexey Proskuryakov]

Created attachment 224267 [details]
with less 10.8 build breakage

Comment on attachment 224267 [details]
with less 10.8 build breakage

View in context: https://bugs.webkit.org/attachment.cgi?id=224267&action=review

> Source/WebCore/crypto/mac/SerializedCryptoKeyWrapMac.mm:60
> +static NSString* masterKeyAccountNameForCurrentApplication()
> +{
> +    return [NSString stringWithFormat:@"com.apple.WebKit.WebCrypto.master+%@", [[NSRunningApplication currentApplication] bundleIdentifier]];
> +}

When building for iOS, won’t this cause an unused function warning?

> Source/WebCore/crypto/mac/SerializedCryptoKeyWrapMac.mm:100
> +    status = SecACLSetContents(acl, (CFArrayRef)@[(id)trustedApp.get()], (CFStringRef)localizedItemName, kSecKeychainPromptRequirePassphase);

Please add spaces inside the @[].

Comment on attachment 224267 [details]
with less 10.8 build breakage

Sorry, I didn’t mean to reset the review flag. This is still r=oliver.

Comment on attachment 224267 [details]
with less 10.8 build breakage

View in context: https://bugs.webkit.org/attachment.cgi?id=224267&action=review

> Source/WebKit/mac/WebCoreSupport/WebChromeClient.mm:1008
> +        NSData* keyData = CallUIDelegate(m_webView, selector);

Space on the wrong side of the star.

> Source/WebKit/mac/WebCoreSupport/WebChromeClient.mm:1021
> +        NSData* keyData = CallUIDelegate(m_webView, selector);

Here too.

[Alexey Proskuryakov]

Committed with suggested fixes in <http://trac.webkit.org/r164181>.