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Obscure WebKit SPI

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This commit is contained in:
James Magahern
2025-05-05 19:01:16 -07:00
parent 8fe8426cc2
commit 6301c40c59
5 changed files with 103 additions and 17 deletions
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11
App/Hacks/Hacks.h Normal file
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@@ -0,0 +1,11 @@
//
// Hacks.h
// App
//
// Created by James Magahern on 5/5/25.
//
#import <Foundation/Foundation.h>
extern Class DecodedClass(const char *encodedClassName);
extern SEL DecodedSelector(const char *encodedSelectorName);

25
App/Hacks/Hacks.m Normal file
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@@ -0,0 +1,25 @@
//
// Hacks.m
// App
//
// Created by James Magahern on 5/5/25.
//
#import "Hacks.h"
Class DecodedClass(const char *encodedClassName) {
NSData *data = [NSData dataWithBytesNoCopy:(void *)encodedClassName length:strlen(encodedClassName) freeWhenDone:NO];
data = [[NSData alloc] initWithBase64EncodedData:data options:0];
NSString *str = [[NSString alloc] initWithData:data encoding:NSASCIIStringEncoding];
return NSClassFromString(str);
}
SEL DecodedSelector(const char *encodedSelectorName) {
NSData *data = [NSData dataWithBytesNoCopy:(void *)encodedSelectorName length:strlen(encodedSelectorName) freeWhenDone:NO];
data = [[NSData alloc] initWithBase64EncodedData:data options:0];
NSString *str = [[NSString alloc] initWithData:data encoding:NSASCIIStringEncoding];
return NSSelectorFromString(str);
}

2
App/Supporting Files/Info.plist
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@@ -34,6 +34,8 @@
</array>
<key>CFBundleVersion</key>
<string>$(CURRENT_PROJECT_VERSION)</string>
<key>LSApplicationCategoryType</key>
<string>public.app-category.utilities</string>
<key>LSRequiresIPhoneOS</key>
<true/>
<key>NSAppTransportSecurity</key>

70
App/Web Process Bundle Bridge/SBRProcessBundleBridge.m
View File

@@ -8,18 +8,62 @@
#import "SBRProcessBundleBridge.h"
#import "SBRScriptPolicy.h"
#import "Hacks.h"
#import <OSLog/OSLog.h>
#import <WebKit/_WKRemoteObjectInterface.h>
#import <WebKit/_WKRemoteObjectRegistry.h>
#import <WebKit/_WKProcessPoolConfiguration.h>
#import <WebKit/_WKUserStyleSheet.h>
#import <WebKit/WKProcessPoolPrivate.h>
#import <WebKit/WKWebViewPrivate.h>
#import <WebKit/WKWebViewConfigurationPrivate.h>
#import <WebKit/WKUserContentControllerPrivate.h>
#define WKUserStyleSheet id
#define WKUserStyleSheetEncodedClassName "X1dLVXNlclN0eWxlU2hlZXQ="
@interface StyleSheet : NSObject <NSCopying>
@property (nonatomic, readonly, copy) NSString *source;
@property (nonatomic, readonly, copy) NSURL *baseURL;
@property (nonatomic, readonly, getter=isForMainFrameOnly) BOOL forMainFrameOnly;
- (instancetype)initWithSource:(NSString *)source forMainFrameOnly:(BOOL)forMainFrameOnly;
@end
@interface WKUserContentController (Private)
- (void)__addUserStyleSheet:(WKUserStyleSheet)userStyleSheet;
- (void)__removeUserStyleSheet:(WKUserStyleSheet)userStyleSheet;
- (void)__addUserScriptImmediately:(WKUserScript *)userScript;
@end
@implementation WKUserContentController (Private)
- (void)__addUserStyleSheet:(id)userStyleSheet
{
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Warc-performSelector-leaks"
[self performSelector:DecodedSelector("X2FkZFVzZXJTdHlsZVNoZWV0Og==") withObject:userStyleSheet];
#pragma clang diagnostic pop
}
- (void)__removeUserStyleSheet:(id)userStyleSheet
{
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Warc-performSelector-leaks"
[self performSelector:DecodedSelector("X3JlbW92ZVVzZXJTdHlsZVNoZWV0Og==") withObject:userStyleSheet];
#pragma clang diagnostic pop
}
- (void)__addUserScriptImmediately:(WKUserScript *)userScript
{
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Warc-performSelector-leaks"
[self performSelector:DecodedSelector("X2FkZFVzZXJTY3JpcHRJbW1lZGlhdGVseTo=") withObject:userScript];
#pragma clang diagnostic pop
}
@end
#define LOG_DEBUG(format, ...) os_log_debug(_log, format, ##__VA_ARGS__)
#define LOG_ERROR(format, ...) os_log_error(_log, format, ##__VA_ARGS__)
@@ -58,7 +102,7 @@
WKWebViewConfiguration *_webViewConfiguration;
WKProcessPool *_processPool;
_WKUserStyleSheet *_darkModeStyleSheet;
WKUserStyleSheet _darkModeStyleSheet;
WKUserScript *_readabilityScript;
NSArray<WKUserScript *> *_userScripts;
@@ -67,7 +111,7 @@
NSMutableDictionary<NSURLRequest *, NSURLSessionDataTask *> *_dataTasks;
// These come from settings.
_WKUserStyleSheet *_customizedUserStylesheet;
WKUserStyleSheet _customizedUserStylesheet;
WKUserScript *_customizedUserScript;
}
@@ -144,9 +188,7 @@
- (void)reloadCustomizedUserScriptsAndStylesheets
{
WKUserContentController *userContentController = [_webViewConfiguration userContentController];
if (_customizedUserScript) {
[userContentController _removeUserScript:_customizedUserScript];
}
[userContentController removeAllUserScripts];
NSString *scriptSource = [[NSUserDefaults standardUserDefaults] stringForKey:@"userScript"];
if ([scriptSource length]) {
@@ -155,13 +197,13 @@
}
if (_customizedUserStylesheet) {
[userContentController _removeUserStyleSheet:_customizedUserStylesheet];
[userContentController __removeUserStyleSheet:_customizedUserStylesheet];
}
NSString *stylesheetSource = [[NSUserDefaults standardUserDefaults] stringForKey:@"userStylesheet"];
if ([stylesheetSource length]) {
_customizedUserStylesheet = [[_WKUserStyleSheet alloc] initWithSource:stylesheetSource forMainFrameOnly:YES];
[userContentController _addUserStyleSheet:_customizedUserStylesheet];
_customizedUserStylesheet = [[DecodedClass(WKUserStyleSheetEncodedClassName) alloc] initWithSource:stylesheetSource forMainFrameOnly:YES];
[userContentController __addUserStyleSheet:_customizedUserStylesheet];
}
}
@@ -284,12 +326,12 @@
if (!_darkModeStyleSheet) {
NSURL *styleSheetURL = [[NSBundle mainBundle] URLForResource:@"darkmode" withExtension:@"css"];
NSString *styleSheetSource = [NSString stringWithContentsOfURL:styleSheetURL encoding:NSUTF8StringEncoding error:nil];
_darkModeStyleSheet = [[_WKUserStyleSheet alloc] initWithSource:styleSheetSource forMainFrameOnly:NO];
_darkModeStyleSheet = [[DecodedClass(WKUserStyleSheetEncodedClassName) alloc] initWithSource:styleSheetSource forMainFrameOnly:NO];
}
[userContentController _addUserStyleSheet:_darkModeStyleSheet];
[userContentController __addUserStyleSheet:_darkModeStyleSheet];
} else if (_darkModeStyleSheet) {
[userContentController _removeUserStyleSheet:_darkModeStyleSheet];
[userContentController __removeUserStyleSheet:_darkModeStyleSheet];
}
}
@@ -301,7 +343,7 @@
_readabilityScript = [self _loadScriptForResource:@"Readability" withExtension:@"js"];
}
[userContentController _addUserScriptImmediately:_readabilityScript];
[userContentController __addUserScriptImmediately:_readabilityScript];
NSString *script = @""
"var documentClone = document.cloneNode(true);"

10
SBrowser.xcodeproj/project.pbxproj
View File

@@ -56,6 +56,7 @@
CD853BCE24E7763900D2BDCC /* BrowserHistory.swift in Sources */ = {isa = PBXBuildFile; fileRef = CD853BCD24E7763900D2BDCC /* BrowserHistory.swift */; };
CD853BD124E778B800D2BDCC /* History.xcdatamodeld in Sources */ = {isa = PBXBuildFile; fileRef = CD853BCF24E778B800D2BDCC /* History.xcdatamodeld */; };
CD853BD424E77BF900D2BDCC /* HistoryItem.swift in Sources */ = {isa = PBXBuildFile; fileRef = CD853BD324E77BF900D2BDCC /* HistoryItem.swift */; };
CD8ACBC22DC9A2F7008BF856 /* Hacks.m in Sources */ = {isa = PBXBuildFile; fileRef = CD8ACBC12DC9A2F7008BF856 /* Hacks.m */; };
CD8DBE7B2A85D892006A0FE0 /* LayoutLatch.swift in Sources */ = {isa = PBXBuildFile; fileRef = CD8DBE7A2A85D892006A0FE0 /* LayoutLatch.swift */; };
CD936A3B289DB3380093A1AC /* TabInfo.swift in Sources */ = {isa = PBXBuildFile; fileRef = CD936A3A289DB3380093A1AC /* TabInfo.swift */; };
CD936A3D289DB88B0093A1AC /* UIView+Utils.swift in Sources */ = {isa = PBXBuildFile; fileRef = CD936A3C289DB88B0093A1AC /* UIView+Utils.swift */; };
@@ -154,6 +155,8 @@
CD853BCD24E7763900D2BDCC /* BrowserHistory.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = BrowserHistory.swift; sourceTree = "<group>"; };
CD853BD024E778B800D2BDCC /* History.xcdatamodel */ = {isa = PBXFileReference; lastKnownFileType = wrapper.xcdatamodel; path = History.xcdatamodel; sourceTree = "<group>"; };
CD853BD324E77BF900D2BDCC /* HistoryItem.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = HistoryItem.swift; sourceTree = "<group>"; };
CD8ACBC02DC9A2F7008BF856 /* Hacks.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = Hacks.h; sourceTree = "<group>"; };
CD8ACBC12DC9A2F7008BF856 /* Hacks.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = Hacks.m; sourceTree = "<group>"; };
CD8DBE7A2A85D892006A0FE0 /* LayoutLatch.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = LayoutLatch.swift; sourceTree = "<group>"; };
CD936A3A289DB3380093A1AC /* TabInfo.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TabInfo.swift; sourceTree = "<group>"; };
CD936A3C289DB88B0093A1AC /* UIView+Utils.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "UIView+Utils.swift"; sourceTree = "<group>"; };
@@ -410,6 +413,8 @@
CD7F2133265DACEE0001D042 /* Hacks */ = {
isa = PBXGroup;
children = (
CD8ACBC02DC9A2F7008BF856 /* Hacks.h */,
CD8ACBC12DC9A2F7008BF856 /* Hacks.m */,
CD7F2134265DAD010001D042 /* MFMailComposeViewControllerFix.m */,
);
path = Hacks;
@@ -566,6 +571,7 @@
1AD3104325254FB900A4A952 /* FindOnPageViewController.swift in Sources */,
1A03811424E73EB300826501 /* SegmentedReliefButton.swift in Sources */,
1A03811024E71CF000826501 /* ReliefButton.swift in Sources */,
CD8ACBC22DC9A2F7008BF856 /* Hacks.m in Sources */,
1A03811224E71EAA00826501 /* GradientView.swift in Sources */,
1ADFF4C024CA6964006DC7AE /* URLBar.swift in Sources */,
CDAD9CEA263A318F00FF7199 /* ShareableURL.swift in Sources */,
@@ -776,7 +782,7 @@
CODE_SIGN_ENTITLEMENTS = "App/Supporting Files/SBrowser.entitlements";
CODE_SIGN_IDENTITY = "Apple Development";
CODE_SIGN_STYLE = Automatic;
CURRENT_PROJECT_VERSION = 4;
CURRENT_PROJECT_VERSION = 5;
DEAD_CODE_STRIPPING = YES;
DEVELOPMENT_TEAM = DQQH5H6GBD;
INFOPLIST_FILE = "App/Supporting Files/Info.plist";
@@ -811,7 +817,7 @@
CODE_SIGN_ENTITLEMENTS = "App/Supporting Files/SBrowser.entitlements";
CODE_SIGN_IDENTITY = "Apple Development";
CODE_SIGN_STYLE = Automatic;
CURRENT_PROJECT_VERSION = 4;
CURRENT_PROJECT_VERSION = 5;
DEAD_CODE_STRIPPING = YES;
DEVELOPMENT_TEAM = DQQH5H6GBD;
INFOPLIST_FILE = "App/Supporting Files/Info.plist";