在iOS Content Blocker中使用多个JSON列表 [英] Using multiple JSON lists in iOS Content Blocker

问题描述

我正在尝试在iOS上创建自己的内容阻止程序.我想为不同类型的内容(跟踪，广告，成人网站等)创建单独的json列表.我遇到了这个 https://github.com/calebhicks/ios-safari-content-阻止，其中指出您可以创建一个附件"数组，而不是依赖于单一的"blockerList" json文件.

I am trying to create my own content blocker on iOS. I was wanting to create separate json lists for different types of content (tracking, ads, adult sites, etc). I came across this https://github.com/calebhicks/ios-safari-content-blocking which stated you could create an array of "attachments" instead of relying on the singular "blockerList" json file.

func beginRequest(with context: NSExtensionContext) {
    var jsonFiles:Array<NSItemProvider> = Array()

    let attachment = NSItemProvider(contentsOf: Bundle.main.url(forResource: "blockerList", withExtension: "json"))!
    jsonFiles.append(attachment)

    let attachment2 = NSItemProvider(contentsOf: Bundle.main.url(forResource: "testList", withExtension: "json"))!
    jsonFiles.append(attachment2)

    let item = NSExtensionItem()
    item.attachments = jsonFiles

    context.completeRequest(returningItems: [item], completionHandler: nil)
}

大多数代码是Content Blocker Extension设置中的默认代码，但我添加的是jsonFiles数组，其中放置了attachment和attachment2.运行此命令时，只会加载两个规则集之一，从不两者的结合.为什么只加载一个规则集的任何想法?

Most of this code is the default from the Content Blocker Extension setup, but what I have added is the jsonFiles array which attachment and attachment2 are placed in. When this is run, only one of the two rule sets is loaded, never a combination of the two. Any ideas on why only one ruleset is loaded?

推荐答案

您可以将两个JSON规则文件合并为一个文件，然后使用该文件.

You can combine two JSON rule files in to one file and use that file.

    import UIKit
        import MobileCoreServices
        class ContentBlockerRequestHandler: NSObject, NSExtensionRequestHandling {

        func beginRequest(with context: NSExtensionContext) {

        let sharedContainerURL = FileManager.default.containerURL(forSecurityApplicationGroupIdentifier: "you app group identifier")

                let sourceURLRules = sharedContainerURL?.appendingPathComponent("Rules1.json")
                let sourceURLRules2 = sharedContainerURL?.appendingPathComponent("Rules2.json")
                do {
                    let jsonDecoder = JSONDecoder()

                    let dataFormRules1 = try Data(contentsOf: sourceURLRules1!, options: .mappedIfSafe)// Rule is Decode able Swift class            
                   let  rulesArray1 = try? jsonDecoder.decode(Array<Rule>.self,from: dataFormRules1)

                    let dataFormRules2 = try Data(contentsOf: sourceURLRules2!, options: .mappedIfSafe)
                    let  rulesArray2 = try? jsonDecoder.decode(Array<Rule>.self,from: dataFormRules2)

                    saveCombinedRuleFile(ruleList: rulesArray1! + rulesArray2!)

                } catch {
                    //handle error condition
                }

                let sourceURLCombinedRule = sharedContainerURL?.appendingPathComponent("CombinedRule.json")
                let combinedRuleAttachment = NSItemProvider(contentsOf: sourceURLCombinedRule)
                let item = NSExtensionItem()
                item.attachments = [combinedRuleAttachment]
                context.completeRequest(returningItems: [item], completionHandler: nil)
            }

            func saveCombinedRuleFile(ruleList:[Rule]) {
                let encoder = JSONEncoder()
                if let encoded = try? encoder.encode(ruleList) {
                    let sharedContainerURL = FileManager.default.containerURL(forSecurityApplicationGroupIdentifier: "group.com.slashnext.mobileshield")
                    if let json = String(data: encoded, encoding: .utf8) {
                        print(json)
                    }
                    if let destinationURL = sharedContainerURL?.appendingPathComponent("CombinedRule.json") {
                        do {
                            try  encoded.write(to: destinationURL)
                        } catch {
                            print ("catchtry")
                        }
                    }
                }
            }
        }

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