Title: [271207] trunk
Revision
271207
Author
[email protected]
Date
2021-01-06 11:35:15 -0800 (Wed, 06 Jan 2021)

Log Message

Add SPI to determine whether a regex is supported in WKContentRuleList
https://bugs.webkit.org/show_bug.cgi?id=220095
Source/WebKit:

<rdar://problem/72058626>

Patch by Alex Christensen <[email protected]> on 2021-01-06
Reviewed by Tim Horton.

This is a more efficient way than making a little rule list and seeing if it compiles.
Here, we don't need access to the disk, and we don't need to hop to another thread and back.
Covered by API tests.

* UIProcess/API/APIContentRuleList.cpp:
(API::ContentRuleList::supportsRegularExpression):
* UIProcess/API/APIContentRuleList.h:
* UIProcess/API/Cocoa/WKContentRuleList.mm:
(+[WKContentRuleList _supportsRegularExpression:]):
* UIProcess/API/Cocoa/WKContentRuleListInternal.h:
* UIProcess/API/Cocoa/WKContentRuleListPrivate.h: Copied from Source/WebKit/UIProcess/API/Cocoa/WKContentRuleListInternal.h.
* WebKit.xcodeproj/project.pbxproj:

Tools:

Patch by Alex Christensen <[email protected]> on 2021-01-06
Reviewed by Tim Horton.

* TestWebKitAPI/Tests/WebKitCocoa/ContentRuleListNotification.mm:
(TEST):

Modified Paths

Added Paths

Diff

Modified: trunk/Source/WebKit/ChangeLog (271206 => 271207)


--- trunk/Source/WebKit/ChangeLog	2021-01-06 19:31:01 UTC (rev 271206)
+++ trunk/Source/WebKit/ChangeLog	2021-01-06 19:35:15 UTC (rev 271207)
@@ -1,5 +1,26 @@
 2021-01-06  Alex Christensen  <[email protected]>
 
+        Add SPI to determine whether a regex is supported in WKContentRuleList
+        https://bugs.webkit.org/show_bug.cgi?id=220095
+        <rdar://problem/72058626>
+
+        Reviewed by Tim Horton.
+
+        This is a more efficient way than making a little rule list and seeing if it compiles.
+        Here, we don't need access to the disk, and we don't need to hop to another thread and back.
+        Covered by API tests.
+
+        * UIProcess/API/APIContentRuleList.cpp:
+        (API::ContentRuleList::supportsRegularExpression):
+        * UIProcess/API/APIContentRuleList.h:
+        * UIProcess/API/Cocoa/WKContentRuleList.mm:
+        (+[WKContentRuleList _supportsRegularExpression:]):
+        * UIProcess/API/Cocoa/WKContentRuleListInternal.h:
+        * UIProcess/API/Cocoa/WKContentRuleListPrivate.h: Copied from Source/WebKit/UIProcess/API/Cocoa/WKContentRuleListInternal.h.
+        * WebKit.xcodeproj/project.pbxproj:
+
+2021-01-06  Alex Christensen  <[email protected]>
+
         Modernize WebContextMenu
         https://bugs.webkit.org/show_bug.cgi?id=219969
 

Modified: trunk/Source/WebKit/UIProcess/API/APIContentRuleList.cpp (271206 => 271207)


--- trunk/Source/WebKit/UIProcess/API/APIContentRuleList.cpp	2021-01-06 19:31:01 UTC (rev 271206)
+++ trunk/Source/WebKit/UIProcess/API/APIContentRuleList.cpp	2021-01-06 19:35:15 UTC (rev 271207)
@@ -29,6 +29,8 @@
 #if ENABLE(CONTENT_EXTENSIONS)
 
 #include "WebCompiledContentRuleList.h"
+#include <WebCore/CombinedURLFilters.h>
+#include <WebCore/URLFilterParser.h>
 
 namespace API {
 
@@ -43,6 +45,34 @@
 {
 }
 
+bool ContentRuleList::supportsRegularExpression(const WTF::String& regex)
+{
+    using namespace WebCore::ContentExtensions;
+    CombinedURLFilters combinedURLFilters;
+    URLFilterParser urlFilterParser(combinedURLFilters);
+
+    switch (urlFilterParser.addPattern(regex, false, 0)) {
+    case URLFilterParser::Ok:
+    case URLFilterParser::MatchesEverything:
+        return true;
+    case URLFilterParser::NonASCII:
+    case URLFilterParser::UnsupportedCharacterClass:
+    case URLFilterParser::BackReference:
+    case URLFilterParser::ForwardReference:
+    case URLFilterParser::MisplacedStartOfLine:
+    case URLFilterParser::WordBoundary:
+    case URLFilterParser::AtomCharacter:
+    case URLFilterParser::Group:
+    case URLFilterParser::Disjunction:
+    case URLFilterParser::MisplacedEndOfLine:
+    case URLFilterParser::EmptyPattern:
+    case URLFilterParser::YarrError:
+    case URLFilterParser::InvalidQuantifier:
+        break;
+    }
+    return false;
+}
+
 } // namespace API
 
 #endif // ENABLE(CONTENT_EXTENSIONS)

Modified: trunk/Source/WebKit/UIProcess/API/APIContentRuleList.h (271206 => 271207)


--- trunk/Source/WebKit/UIProcess/API/APIContentRuleList.h	2021-01-06 19:31:01 UTC (rev 271206)
+++ trunk/Source/WebKit/UIProcess/API/APIContentRuleList.h	2021-01-06 19:35:15 UTC (rev 271207)
@@ -48,6 +48,8 @@
 
     const WTF::String& name() const { return m_name; }
     const WebKit::WebCompiledContentRuleList& compiledRuleList() const { return m_compiledRuleList.get(); }
+    
+    static bool supportsRegularExpression(const WTF::String&);
 
 private:
     WTF::String m_name;

Modified: trunk/Source/WebKit/UIProcess/API/Cocoa/WKContentRuleList.mm (271206 => 271207)


--- trunk/Source/WebKit/UIProcess/API/Cocoa/WKContentRuleList.mm	2021-01-06 19:31:01 UTC (rev 271206)
+++ trunk/Source/WebKit/UIProcess/API/Cocoa/WKContentRuleList.mm	2021-01-06 19:35:15 UTC (rev 271207)
@@ -50,3 +50,12 @@
 }
 
 @end
+
+@implementation WKContentRuleList (WKPrivate)
+
++ (BOOL)_supportsRegularExpression:(NSString *)regex
+{
+    return API::ContentRuleList::supportsRegularExpression(regex);
+}
+
+@end

Modified: trunk/Source/WebKit/UIProcess/API/Cocoa/WKContentRuleListInternal.h (271206 => 271207)


--- trunk/Source/WebKit/UIProcess/API/Cocoa/WKContentRuleListInternal.h	2021-01-06 19:31:01 UTC (rev 271206)
+++ trunk/Source/WebKit/UIProcess/API/Cocoa/WKContentRuleListInternal.h	2021-01-06 19:35:15 UTC (rev 271207)
@@ -23,7 +23,7 @@
  * THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#import "WKContentRuleList.h"
+#import "WKContentRuleListPrivate.h"
 
 #import "APIContentRuleList.h"
 #import "WKObject.h"

Copied: trunk/Source/WebKit/UIProcess/API/Cocoa/WKContentRuleListPrivate.h (from rev 271206, trunk/Source/WebKit/UIProcess/API/Cocoa/WKContentRuleListInternal.h) (0 => 271207)


--- trunk/Source/WebKit/UIProcess/API/Cocoa/WKContentRuleListPrivate.h	                        (rev 0)
+++ trunk/Source/WebKit/UIProcess/API/Cocoa/WKContentRuleListPrivate.h	2021-01-06 19:35:15 UTC (rev 271207)
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2020 Apple 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:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS 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 APPLE INC. OR ITS 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.
+ */
+
+#import <WebKit/WKContentRuleList.h>
+
+@interface WKContentRuleList (WKPrivate)
+
++ (BOOL)_supportsRegularExpression:(NSString *)regex WK_API_AVAILABLE(macos(WK_MAC_TBA), ios(WK_IOS_TBA));
+
+@end

Modified: trunk/Source/WebKit/WebKit.xcodeproj/project.pbxproj (271206 => 271207)


--- trunk/Source/WebKit/WebKit.xcodeproj/project.pbxproj	2021-01-06 19:31:01 UTC (rev 271206)
+++ trunk/Source/WebKit/WebKit.xcodeproj/project.pbxproj	2021-01-06 19:35:15 UTC (rev 271207)
@@ -1242,6 +1242,7 @@
 		5C4609E7224317B4009943C2 /* _WKContentRuleListAction.h in Headers */ = {isa = PBXBuildFile; fileRef = 5C4609E222430E4C009943C2 /* _WKContentRuleListAction.h */; settings = {ATTRIBUTES = (Private, ); }; };
 		5C4609E8224317BB009943C2 /* _WKContentRuleListActionInternal.h in Headers */ = {isa = PBXBuildFile; fileRef = 5C4609E422430E4D009943C2 /* _WKContentRuleListActionInternal.h */; };
 		5C4B9D8B210A8CCF008F14D1 /* UndoOrRedo.h in Headers */ = {isa = PBXBuildFile; fileRef = 5C4B9D8A210A8C46008F14D1 /* UndoOrRedo.h */; };
+		5C5139DB25927D80009C3E30 /* WKContentRuleListPrivate.h in Headers */ = {isa = PBXBuildFile; fileRef = 5C5139DA259277A2009C3E30 /* WKContentRuleListPrivate.h */; settings = {ATTRIBUTES = (Private, ); }; };
 		5C5D238C227A2CDA000B9BDA /* _WKCustomHeaderFields.h in Headers */ = {isa = PBXBuildFile; fileRef = 5C5D2389227A1892000B9BDA /* _WKCustomHeaderFields.h */; settings = {ATTRIBUTES = (Private, ); }; };
 		5C62FDF91EFC271C00CE072E /* WKURLSchemeTaskPrivate.h in Headers */ = {isa = PBXBuildFile; fileRef = 5C62FDF81EFC263C00CE072E /* WKURLSchemeTaskPrivate.h */; settings = {ATTRIBUTES = (Private, ); }; };
 		5C66A4B52320962400EA4D44 /* WKHTTPCookieStoreRef.h in Headers */ = {isa = PBXBuildFile; fileRef = 5C66A4B42320961400EA4D44 /* WKHTTPCookieStoreRef.h */; settings = {ATTRIBUTES = (Private, ); }; };
@@ -4335,6 +4336,7 @@
 		5C46C0AD21B7198C00BC5991 /* WebsiteDataStoreConfiguration.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = WebsiteDataStoreConfiguration.h; sourceTree = "<group>"; };
 		5C46C0AE21B71AE200BC5991 /* _WKWebsiteDataStoreConfigurationInternal.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = _WKWebsiteDataStoreConfigurationInternal.h; sourceTree = "<group>"; };
 		5C4B9D8A210A8C46008F14D1 /* UndoOrRedo.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = UndoOrRedo.h; sourceTree = "<group>"; };
+		5C5139DA259277A2009C3E30 /* WKContentRuleListPrivate.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = WKContentRuleListPrivate.h; sourceTree = "<group>"; };
 		5C53DCDD24465BF900A93124 /* ApplePayPaymentSetupFeatures.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; path = ApplePayPaymentSetupFeatures.mm; sourceTree = "<group>"; };
 		5C53DCDE24465BF900A93124 /* PaymentSetupConfigurationWebKit.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = PaymentSetupConfigurationWebKit.h; sourceTree = "<group>"; };
 		5C53DCDF24465BF900A93124 /* ApplePayPaymentSetupFeaturesWebKit.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = ApplePayPaymentSetupFeaturesWebKit.h; sourceTree = "<group>"; };
@@ -7850,6 +7852,7 @@
 				5CD2864A1E722F440094FDC8 /* WKContentRuleList.h */,
 				5CD2864B1E722F440094FDC8 /* WKContentRuleList.mm */,
 				5CD2864C1E722F440094FDC8 /* WKContentRuleListInternal.h */,
+				5C5139DA259277A2009C3E30 /* WKContentRuleListPrivate.h */,
 				5CD2864D1E722F440094FDC8 /* WKContentRuleListStore.h */,
 				5CD2864E1E722F440094FDC8 /* WKContentRuleListStore.mm */,
 				5CD2864F1E722F440094FDC8 /* WKContentRuleListStoreInternal.h */,
@@ -12284,6 +12287,7 @@
 				E596DD6A251E71D400C275A7 /* WKContactPicker.h in Headers */,
 				5CD286541E7235B10094FDC8 /* WKContentRuleList.h in Headers */,
 				5CD286551E7235B80094FDC8 /* WKContentRuleListInternal.h in Headers */,
+				5C5139DB25927D80009C3E30 /* WKContentRuleListPrivate.h in Headers */,
 				5CD286511E7235990094FDC8 /* WKContentRuleListStore.h in Headers */,
 				5CD286571E7235C90094FDC8 /* WKContentRuleListStoreInternal.h in Headers */,
 				5CD286581E7235D10094FDC8 /* WKContentRuleListStorePrivate.h in Headers */,

Modified: trunk/Tools/ChangeLog (271206 => 271207)


--- trunk/Tools/ChangeLog	2021-01-06 19:31:01 UTC (rev 271206)
+++ trunk/Tools/ChangeLog	2021-01-06 19:35:15 UTC (rev 271207)
@@ -1,3 +1,13 @@
+2021-01-06  Alex Christensen  <[email protected]>
+
+        Add SPI to determine whether a regex is supported in WKContentRuleList
+        https://bugs.webkit.org/show_bug.cgi?id=220095
+
+        Reviewed by Tim Horton.
+
+        * TestWebKitAPI/Tests/WebKitCocoa/ContentRuleListNotification.mm:
+        (TEST):
+
 2021-01-06  Sihui Liu  <[email protected]>
 
         Stop speech recognition if page becomes invisible

Modified: trunk/Tools/TestWebKitAPI/Tests/WebKitCocoa/ContentRuleListNotification.mm (271206 => 271207)


--- trunk/Tools/TestWebKitAPI/Tests/WebKitCocoa/ContentRuleListNotification.mm	2021-01-06 19:31:01 UTC (rev 271206)
+++ trunk/Tools/TestWebKitAPI/Tests/WebKitCocoa/ContentRuleListNotification.mm	2021-01-06 19:35:15 UTC (rev 271207)
@@ -26,6 +26,7 @@
 #import "config.h"
 
 #import "PlatformUtilities.h"
+#import <WebKit/WKContentRuleListPrivate.h>
 #import <WebKit/WKContentRuleListStore.h>
 #import <WebKit/WKNavigationDelegatePrivate.h>
 #import <WebKit/WKURLSchemeHandler.h>
@@ -169,3 +170,29 @@
     };
     EXPECT_TRUE(expectedNotifications == notificationList);
 }
+
+TEST(ContentRuleList, SupportsRegex)
+{
+    NSArray<NSString *> *allowed = @[
+        @".*",
+        @"a.*b"
+    ];
+    for (NSString *regex in allowed)
+        EXPECT_TRUE([WKContentRuleList _supportsRegularExpression:regex]);
+    
+    NSArray<NSString *> *disallowed = @[
+        @"Ä",
+        @"\\d\\D\\w\\s\\v\\h\\i\\c",
+        @"",
+        @"(?<A>a)\\k<A>",
+        @"a^",
+        @"\\b",
+        @"[\\d]",
+        @"(?!)",
+        @"this|that",
+        @"$$",
+        @"a{0,2}b"
+    ];
+    for (NSString *regex in disallowed)
+        EXPECT_FALSE([WKContentRuleList _supportsRegularExpression:regex]);
+}
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