selfcontrol/DomainListWindowController.m at master · SelfControlApp/selfcontrol · GitHub

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// DomainListWindowController.m

// SelfControl

// Created by Charlie Stigler on 2/7/09.

// This file is part of SelfControl.

// SelfControl is free software: you can redistribute it and/or modify

// it under the terms of the GNU General Public License as published by

// the Free Software Foundation, either version 3 of the License, or

// (at your option) any later version.

// This program is distributed in the hope that it will be useful,

// but WITHOUT ANY WARRANTY; without even the implied warranty of

// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License

// along with this program. If not, see <http://www.gnu.org/licenses/>.

#import "DomainListWindowController.h"

#import "AppController.h"

@implementation DomainListWindowController

- (DomainListWindowController*)init {

if(self = [super initWithWindowNibName:@"DomainList"]) {

defaults_ = [NSUserDefaults standardUserDefaults];

NSArray* curArray = [defaults_ arrayForKey: @"Blocklist"];

if(curArray == nil)

domainList_ = [NSMutableArray arrayWithCapacity: 10];

else

domainList_ = [curArray mutableCopy];

[defaults_ setValue: domainList_ forKey: @"Blocklist"];

}

return self;

}

- (void)awakeFromNib {

NSInteger indexToSelect = [defaults_ boolForKey: @"BlockAsWhitelist"] ? 1 : 0;

[allowlistRadioMatrix_ selectCellAtRow: indexToSelect column: 0];

[self updateWindowTitle];

}

- (void)refreshDomainList {

// end any current editing to trigger saving blocklist

if (![NSThread isMainThread]) {

dispatch_sync(dispatch_get_main_queue(), ^{

[self refreshDomainList];

});

return;

}

[[self window] makeFirstResponder: self];

domainList_ = [[defaults_ arrayForKey: @"Blocklist"] mutableCopy];

[domainListTableView_ reloadData];

}

- (void)showWindow:(id)sender {

[[self window] makeKeyAndOrderFront: self];

if ([domainList_ count] == 0 && !self.readOnly) {

[self addDomain: self];

}

[self updateWindowTitle];

}

- (IBAction)addDomain:(id)sender

{

[domainList_ addObject:@""];

[defaults_ setValue: domainList_ forKey: @"Blocklist"];

[domainListTableView_ reloadData];

NSIndexSet* rowIndex = [NSIndexSet indexSetWithIndex: [domainList_ count] - 1];

[domainListTableView_ selectRowIndexes: rowIndex

byExtendingSelection: NO];

[domainListTableView_ editColumn: 0 row:((NSInteger)[domainList_ count] - 1)

withEvent:nil

select:YES];

}

- (IBAction)removeDomain:(id)sender

{

NSIndexSet* selected = [domainListTableView_ selectedRowIndexes];

[domainListTableView_ abortEditing];

// This isn't the most efficient way to do this, but the code is much cleaner

// than other methods and the domain blocklist will probably never be large

// enough for it to be an issue.

NSUInteger index = [selected firstIndex];

NSUInteger shift = 0;

while (index != NSNotFound) {

if ((index - shift) >= [domainList_ count])

break;

[domainList_ removeObjectAtIndex: index - shift];

shift++;

index = [selected indexGreaterThanIndex: index];

}

[defaults_ setValue: domainList_ forKey: @"Blocklist"];

[domainListTableView_ reloadData];

[[NSNotificationCenter defaultCenter] postNotificationName: @"SCConfigurationChangedNotification"

object: self];

}

- (NSUInteger)numberOfRowsInTableView:(NSTableView *)aTableView {

return [domainList_ count];

}

- (id)tableView:(NSTableView *)aTableView objectValueForTableColumn:(NSTableColumn *)aTableColumn row:(NSInteger)rowIndex {

if (rowIndex < 0 || (NSUInteger)rowIndex + 1 > [domainList_ count]) return nil;

return domainList_[(NSUInteger)rowIndex];

}

- (BOOL)tableView:(NSTableView *)tableView shouldEditTableColumn:(nullable NSTableColumn *)tableColumn row:(NSInteger)row {

return !self.readOnly;

}

- (void)controlTextDidEndEditing:(NSNotification *)note {

NSInteger editedRow = [domainListTableView_ editedRow];

NSString* editedString = [[[[note userInfo] objectForKey: @"NSFieldEditor"] textStorage] string];

editedString = [editedString stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]];

// sometimes we get an edited row index that's out-of-bounds for weird reasons,

// e.g. if we're editing an empty row and then start a block, the data will get reloaded

// and the row will not exist by the time this method gets called. We can ignore in that case

if (editedRow >= 0 && editedRow < domainListTableView_.numberOfRows && !editedString.length) {

NSIndexSet* indexSet = [NSIndexSet indexSetWithIndex: (NSUInteger)editedRow];

[domainListTableView_ beginUpdates];

[domainListTableView_ removeRowsAtIndexes: indexSet withAnimation: NSTableViewAnimationSlideUp];

[domainList_ removeObjectAtIndex: (NSUInteger)editedRow];

[defaults_ setValue: domainList_ forKey: @"Blocklist"];

[domainListTableView_ reloadData];

[domainListTableView_ endUpdates];

[[NSNotificationCenter defaultCenter] postNotificationName: @"SCConfigurationChangedNotification"

object: self];

return;

}

- (void)tableView:(NSTableView *)aTableView

setObjectValue:(NSString*)newString

forTableColumn:(NSTableColumn *)aTableColumn

row:(NSInteger)rowIndex {

if (rowIndex < 0 || (NSUInteger)rowIndex + 1 > [domainList_ count]) {

return;

}

NSArray<NSString*>* cleanedEntries = [SCMiscUtilities cleanBlocklistEntry: newString];

for (NSUInteger i = 0; i < cleanedEntries.count; i++) {

NSString* entry = cleanedEntries[i];

if (i == 0) {

domainList_[(NSUInteger)rowIndex] = entry;

} else {

[domainList_ insertObject: entry atIndex: (NSUInteger)rowIndex + i];

}

[defaults_ setValue: domainList_ forKey: @"Blocklist"];

[domainListTableView_ reloadData];

[[NSNotificationCenter defaultCenter] postNotificationName: @"SCConfigurationChangedNotification"

object: self];

}

- (void)tableView:(NSTableView *)tableView

willDisplayCell:(id)cell

forTableColumn:(NSTableColumn *)tableColumn

row:(int)row {

// this method is really inefficient. rewrite/optimize later.

// Initialize the cell's text color to black

[cell setTextColor: NSColor.textColor];

NSString* str = [[cell title] stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]];

if([str isEqual: @""]) return;

if([defaults_ boolForKey: @"HighlightInvalidHosts"]) {

// Validate the value as either an IP or a hostname. In case of failure,

// we'll make its text color red.

int maskLength = -1;

int portNum = -1;

NSArray* splitString = [str componentsSeparatedByString: @"/"];

str = [splitString[0] lowercaseString];

NSString* stringToSearchForPort = str;

if([splitString count] >= 2) {

maskLength = [splitString[1] intValue];

// If the int value is 0, we couldn't find a valid integer representation

// in the split off string

if(maskLength == 0)

maskLength = -1;

stringToSearchForPort = splitString[1];

}

splitString = [stringToSearchForPort componentsSeparatedByString: @":"];

if(stringToSearchForPort == str) {

str = splitString[0];

}

if([splitString count] >= 2) {

portNum = [splitString[1] intValue];

// If the int value is 0, we couldn't find a valid integer representation

// in the split off string

if(portNum == 0)

portNum = -1;

}

BOOL isIP;

NSString* ipValidationRegex = @"^([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\\.([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\\.([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\\.([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])$";

NSPredicate *ipRegexTester = [NSPredicate

predicateWithFormat:@"SELF MATCHES %@",

ipValidationRegex];

isIP = [ipRegexTester evaluateWithObject: str];

if(!isIP) {

NSString* hostnameValidationRegex = @"^([a-zA-Z0-9]([a-zA-Z0-9\\-]{0,61}[a-zA-Z0-9])?\\.)+[a-zA-Z]{2,6}$";

NSPredicate *hostnameRegexTester = [NSPredicate

predicateWithFormat:@"SELF MATCHES %@",

hostnameValidationRegex

];

if(![hostnameRegexTester evaluateWithObject: str] && ![str isEqualToString: @"*"] && ![str isEqualToString: @""]) {

[cell setTextColor: NSColor.redColor];

return;

}

// We shouldn't have a mask length if it's not an IP, fail

if(!isIP && maskLength != -1) {

[cell setTextColor: NSColor.redColor];

return;

}

if(([str isEqualToString: @"*"] || [str isEqualToString: @""]) && portNum == -1) {

[cell setTextColor: NSColor.redColor];

return;

}

[cell setTextColor: NSColor.textColor];

}

- (IBAction)allowlistOptionChanged:(NSMatrix*)sender {

switch (sender.selectedRow) {

case 0:

[defaults_ setBool: NO forKey: @"BlockAsWhitelist"];

break;

case 1:

[self showAllowlistWarning];

[defaults_ setBool: YES forKey: @"BlockAsWhitelist"];

break;

}

[[NSNotificationCenter defaultCenter] postNotificationName: @"SCConfigurationChangedNotification"

object: self];

// update UI to reflect appropriate list type

AppController* controller = (AppController *)[NSApp delegate];

[controller refreshUserInterface];

[self updateWindowTitle];

}

- (void)showAllowlistWarning {

if(![defaults_ boolForKey: @"WhitelistAlertSuppress"]) {

NSAlert* alert = [NSAlert new];

alert.messageText = NSLocalizedString(@"Are you sure you want an allowlist block?", @"Allowlist block confirmation prompt");

[alert addButtonWithTitle: NSLocalizedString(@"OK", @"OK button")];

alert.informativeText = NSLocalizedString(@"An allowlist block means that everything on the internet BESIDES your specified list will be blocked. This includes the web, email, SSH, and anything else your computer accesses via the internet. This can cause unexpected behavior. If a web site requires resources such as images or scripts from a site that is not on your allowlist, the site may not work properly.", @"allowlist block explanation");

alert.showsSuppressionButton = YES;

[alert runModal];

if (alert.suppressionButton.state == NSOnState) {

[defaults_ setBool: YES forKey: @"WhitelistAlertSuppress"];

}

- (void)updateWindowTitle {

NSString* listType = [defaults_ boolForKey: @"BlockAsWhitelist"] ? @"Allowlist" : @"Blocklist";

self.window.title = NSLocalizedString(([NSString stringWithFormat: @"Domain %@", listType]), @"Domain list window title");

}

- (void)addHostArray:(NSArray*)arr {

for(NSUInteger i = 0; i < [arr count]; i++) {

// Check for dupes

if(![domainList_ containsObject: arr[i]])

[domainList_ addObject: arr[i]];

}

[defaults_ setValue: domainList_ forKey: @"Blocklist"];

[domainListTableView_ reloadData];

[[NSNotificationCenter defaultCenter] postNotificationName: @"SCConfigurationChangedNotification"

object: self];

}

- (IBAction)importCommonDistractingWebsites:(id)sender {

[self addHostArray: [HostImporter commonDistractingWebsites]];

}

- (IBAction)importNewsAndPublications:(id)sender {

[self addHostArray: [HostImporter newsAndPublications]];

}

- (IBAction)importIncomingMailServersFromThunderbird:(id)sender {

[self addHostArray: [HostImporter incomingMailHostnamesFromThunderbird]];

}

- (IBAction)importOutgoingMailServersFromThunderbird:(id)sender {

[self addHostArray: [HostImporter outgoingMailHostnamesFromThunderbird]];

}

- (IBAction)importIncomingMailServersFromMail:(id)sender {

[self addHostArray: [HostImporter incomingMailHostnamesFromMail]];

}

- (IBAction)importOutgoingMailServersFromMail:(id)sender {

[self addHostArray: [HostImporter outgoingMailHostnamesFromMail]];

}

- (IBAction)importIncomingMailServersFromMailMate:(id)sender {

[self addHostArray: [HostImporter incomingMailHostnamesFromMailMate]];

}

- (IBAction)importOutgoingMailServersFromMailMate:(id)sender {

[self addHostArray: [HostImporter outgoingMailHostnamesFromMailMate]];

}

@end

selfcontrol/DomainListWindowController.m at master · SelfControlApp/selfcontrol · GitHub

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