spiegel-keyman/mac/Keyman4MacIM/Keyman4MacIM/KMDownloadKeyboard/KMDownloadKBWindowController.m

//
//  KMDownloadKBWindowController.m
//  Keyman4MacIM
//
//  Created by Serkan Kurt on 18/05/2015.
//  Copyright (c) 2018 SIL International. All rights reserved.
//

#import "KMDownloadKBWindowController.h"
#import "KMInputMethodAppDelegate.h"

@interface KMDownloadKBWindowController ()
@property (nonatomic, weak) IBOutlet WebView *webView;
@end

@implementation KMDownloadKBWindowController

- (KMInputMethodAppDelegate *)AppDelegate {
    return (KMInputMethodAppDelegate *)[NSApp delegate];
}

- (void)windowDidLoad {
    [super windowDidLoad];
    
    [self.webView setFrameLoadDelegate:(id<WebFrameLoadDelegate>)self];
    [self.webView setGroupName:@"KMDownloadKB"];
    [self.webView setPolicyDelegate:(id<WebPolicyDelegate>)self];
    
    NSString *version = [[[NSBundle mainBundle] infoDictionary] objectForKey:@"CFBundleShortVersionString"];
    KeymanVersionInfo keymanVersionInfo = [[self AppDelegate] versionInfo];
    NSString *url = [NSString stringWithFormat:@"https://%@/go/macos/14.0/download-keyboards/?version=%@", keymanVersionInfo.keymanCom, version];
    if (self.AppDelegate.debugMode)
        NSLog(@"KMDownloadKBWindowController opening url = %@, version = '%@'", url, version);
    [self.webView.mainFrame loadRequest:[NSURLRequest requestWithURL:[NSURL URLWithString:url]]];
}

- (void)webView:(WebView *)sender decidePolicyForNewWindowAction:(NSDictionary *)actionInformation request:(NSURLRequest *)request newFrameName:(NSString *)frameName decisionListener:(id<WebPolicyDecisionListener>)listener {
    [[NSWorkspace sharedWorkspace] openURL:[actionInformation objectForKey:WebActionOriginalURLKey]];
    [listener ignore];
}

- (void)webView:(WebView *)webView decidePolicyForNavigationAction:(NSDictionary *)actionInformation request:(NSURLRequest *)request frame:(WebFrame *)frame decisionListener:(id<WebPolicyDecisionListener>)listener {
    NSString* url = [[request URL] absoluteString];
    if (self.AppDelegate.debugMode)
        NSLog(@"decidePolicyForNavigationAction, navigating to %@", url);
    
    // The pattern for matching links matches work in #3602
    NSString* urlPathMatchKeyboardsInstall = @"^http(?:s)?://keyman(?:-staging)?\\.com(?:\\.local)?/keyboards/install/([^?/]+)(?:\\?(.+))?$";
                                             // e.g. https://keyman.com/keyboards/install/foo
    NSString* urlPathMatchKeyboardsRoot = @"^http(?:s)?://keyman(?:-staging)?\\.com(?:\\.local)?/keyboards([/?].*)?$";
                                          // http://keyman.com.local/keyboards/foo
    NSString* urlPathMatchKeyboardsGo = @"^http(?:s)?://keyman(?:-staging)?\\.com(?:\\.local)?/go/macos/[^/]+/download-keyboards";
                                        // https://keyman-staging.com/go/macos/14.0/download-keyboards?version=14.0.146.0
    NSRange range = NSMakeRange(0, url.length);

    NSError* error;
    NSRegularExpression* regexInstall = [NSRegularExpression regularExpressionWithPattern: urlPathMatchKeyboardsInstall options: 0 error: &error];
    NSRegularExpression* regexRoot = [NSRegularExpression regularExpressionWithPattern: urlPathMatchKeyboardsRoot options: 0 error: &error];
    NSRegularExpression* regexGo = [NSRegularExpression regularExpressionWithPattern: urlPathMatchKeyboardsGo options: 0 error: &error];

    NSArray* matchesInstall = [regexInstall matchesInString:url options:0 range:range];

    if(matchesInstall.count > 0) {
        if (self.AppDelegate.debugMode)
            NSLog(@"Farming out download to app delegate.");
        [listener ignore];
        NSTextCheckingResult* match = (NSTextCheckingResult*) matchesInstall[0];
        NSString* matchKeyboardId = [url substringWithRange:[match rangeAtIndex:1]];
        // Install keyboard link
        [self.AppDelegate downloadKeyboardFromKeyboardId:matchKeyboardId];
        //[self.AppDelegate processURL:url];
    }
    else if([regexRoot numberOfMatchesInString:url options:0 range:range] > 0 ||
        [regexGo numberOfMatchesInString:url options:0 range:range] > 0) {
        // allow https://keyman.com/keyboards* to go through
        // allow https://keyman.com/go/macos/download-keyboards to go through
        if (self.AppDelegate.debugMode)
            NSLog(@"Accepting link in this browser.");
       [listener use];
    }
    else if([url startsWith:@"keyman:"]) {
        if ([url startsWith:@"keyman:link?url="])
        {
            if (self.AppDelegate.debugMode)
                NSLog(@"Opening keyman:link URL in default browser: %@", url);
            [listener ignore];
            url = [request.URL.absoluteString substringFromIndex:[@"keyman:link?url=" length]];
            [[NSWorkspace sharedWorkspace] openURL: [[NSURL alloc] initWithString:url]];
        }
        else {
            if (self.AppDelegate.debugMode)
                NSLog(@"Farming out download to app delegate.");
            [listener ignore];
            [self.AppDelegate processURL:url];
        }
    }
    else
    {
        // Open in external browser
        if (self.AppDelegate.debugMode)
            NSLog(@"Opening URL in default browser: %@", url);
        [listener ignore];
        [[NSWorkspace sharedWorkspace] openURL: [[NSURL alloc] initWithString:url]];
    }
}
@end