/
Tweak.xm
executable file
·51 lines (42 loc) · 2.11 KB
/
Tweak.xm
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#import <objc/runtime.h>
NSString *prefPath = @"/var/mobile/Library/Preferences/com.hackingdartmouth.referercontrol.plist";
static NSString *getNewReferer(NSString *url, NSArray *referers) {
for (NSArray *referer in referers) {
NSError *error = nil;
if ([referer count] == 3 && [referer[0] boolValue]) { // Standard format and enabled
NSString *regex;
// Escape regex characters, convert * to .*
NSRegularExpression *replace = [NSRegularExpression regularExpressionWithPattern:@"([\\.\\^\\$\\*\\+\\?\\(\\)\\[\\{\\\\|])" options:0 error:&error];
regex = [replace stringByReplacingMatchesInString:referer[1] options:0 range:NSMakeRange(0, [referer[1] length]) withTemplate:@"\\\\$1"];
regex = [regex stringByReplacingOccurrencesOfString:@"\\*" withString:@".*"];
NSRegularExpression* test = [NSRegularExpression regularExpressionWithPattern:regex options:NSRegularExpressionCaseInsensitive error:&error];
if (error == nil) {
NSUInteger numberOfMatches = [test numberOfMatchesInString:url options:0 range:NSMakeRange(0, [url length])];
if (numberOfMatches > 0) {
return referer[2];
}
}
}
}
return nil;
}
%hook WKNavigationAction
-(NSURLRequest *)request {
NSURLRequest *request = %orig;
// Check if it matches the preferences
NSArray *referers = [[NSArray alloc] initWithContentsOfFile:prefPath];
NSString *newReferer = getNewReferer([[request URL] absoluteString], referers);
if (newReferer != nil) {
// Add the preferences request header
NSMutableURLRequest *mutableRequest = [request mutableCopy];
[mutableRequest setValue:newReferer forHTTPHeaderField:@"Referer"];
// Has to be set for the referer to work on chrome...
[mutableRequest setValue:@"Mozilla/5.0 (iPhone; CPU iPhone OS 10_2 like Mac OS X) AppleWebKit/602.3.12 (KHTML, like Gecko) Version/10.0 Mobile/14C92 Safari/602.1" forHTTPHeaderField:@"User-Agent"];
NSLog(@"evaluating request: %@ (yup)", [[request URL] host]);
return [mutableRequest copy];
} else {
NSLog(@"evaluating request: %@ (no)", [[request URL] host]);
return request;
}
}
%end