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fear: Simulate ACC download logic.

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X1a0He
2024-11-18 13:51:54 +08:00
parent 735b3d6191
commit 3e3c12e37b
3 changed files with 127 additions and 39 deletions
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4
Adobe Downloader.xcodeproj/project.pbxproj
View File

@@ -323,7 +323,7 @@
DEBUG_INFORMATION_FORMAT = dwarf;
ENABLE_STRICT_OBJC_MSGSEND = YES;
ENABLE_TESTABILITY = YES;
ENABLE_USER_SCRIPT_SANDBOXING = YES;
ENABLE_USER_SCRIPT_SANDBOXING = NO;
GCC_C_LANGUAGE_STANDARD = gnu17;
GCC_DYNAMIC_NO_PIC = NO;
GCC_NO_COMMON_BLOCKS = YES;
@@ -388,7 +388,7 @@
DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
ENABLE_NS_ASSERTIONS = NO;
ENABLE_STRICT_OBJC_MSGSEND = YES;
ENABLE_USER_SCRIPT_SANDBOXING = YES;
ENABLE_USER_SCRIPT_SANDBOXING = NO;
GCC_C_LANGUAGE_STANDARD = gnu17;
GCC_NO_COMMON_BLOCKS = YES;
GCC_WARN_64_TO_32_BIT_CONVERSION = YES;

15
Adobe Downloader/Commons/Statics.swift
View File

@@ -4,6 +4,9 @@
// Created by X1a0He on 2024/10/30.
//
import Foundation
import SwiftUI
import AppKit
struct AppStatics {
static let supportedLanguages: [(code: String, name: String)] = [
@@ -50,4 +53,14 @@ struct AppStatics {
return false
#endif
}()
}
static let architectureSymbol: String = {
#if arch(arm64)
return "arm64"
#elseif arch(x86_64)
return "x64"
#else
return "Unknown Architecture"
#endif
}()
}

147
Adobe Downloader/Utils/DownloadUtils.swift
View File

@@ -658,6 +658,7 @@ class DownloadUtils {
for dependency in productInfo.dependencies {
if let dependencyVersions = saps[dependency.sapCode]?.versions {
var processedVersions = Set<String>()
var firstGuid: String?
var buildGuid: String?
@@ -674,10 +675,15 @@ class DownloadUtils {
}
for version in sortedVersions {
if buildGuid != nil { break }
if processedVersions.contains(version.key) { continue }
processedVersions.insert(version.key)
if version.value.baseVersion == dependency.version {
if firstGuid == nil { firstGuid = version.value.buildGuid }
// print("\(version.value.sapCode), \(version.key), \(allowedPlatform), \(version.value.apPlatform), \(allowedPlatform.contains(version.value.apPlatform))")
print("\(version.value.sapCode), \(version.key), \(allowedPlatform), \(version.value.apPlatform), \(allowedPlatform.contains(version.value.apPlatform))")
if allowedPlatform.contains(version.value.apPlatform) {
buildGuid = version.value.buildGuid
@@ -688,18 +694,25 @@ class DownloadUtils {
if buildGuid == nil { buildGuid = firstGuid }
if let finalBuildGuid = buildGuid {
productsToDownload.append(ProductsToDownload(
sapCode: dependency.sapCode,
version: dependency.version,
buildGuid: finalBuildGuid
))
let alreadyAdded = productsToDownload.contains { product in
product.sapCode == dependency.sapCode &&
product.version == dependency.version
}
if !alreadyAdded {
productsToDownload.append(ProductsToDownload(
sapCode: dependency.sapCode,
version: dependency.version,
buildGuid: finalBuildGuid
))
}
}
}
}
// for product in productsToDownload {
// print("\(product.sapCode), \(product.version), \(product.buildGuid)")
// }
for product in productsToDownload {
print("\(product.sapCode), \(product.version), \(product.buildGuid)")
}
for product in productsToDownload {
await MainActor.run {
@@ -727,8 +740,24 @@ class DownloadUtils {
var corePackageCount = 0
var nonCorePackageCount = 0
/*
这里是对包的过滤，一般规则在
1. 如果没有Condition，那么就视为需要下载的包
2. 如果存在Condition，那么按照以下规则下载
[OSVersion]>=10.15 : 系统版本大于等于10.15就下载，所以需要一个函数来获取系统版本号
[OSArchitecture]==arm64 : 系统架构为arm64的就下载，官方并没有下载另外一个架构的包
[OSArchitecture]==x64 : 同上
[installLanguage]==zh_CN : 目标安装语言为 zh_CN 的就下载
PS: 下面是留给看源码的人的
哪怕是官方的ACC下载任何一款App，都是这个逻辑，不信自己去翻，你可能会说，为什么官方能下通用的，你问这个问题之前，可以自己去拿正版的看看他是怎么下载的，他下载的包数量跟我的是不是一致的，他也只是下载了对应架构的包
其实要下载通用的也很简单，不是判断架构吗，那下载通用的时候，两个架构同时成立不就好了，但我并没有在官方的下载逻辑中看到，也没尝试过，如果你尝试之后发现可以，请你告诉我
*/
for package in packageArray {
var shouldDownload = false
let packageType = package["Type"] as? String ?? "non-core"
let isCore = packageType == "core"
@@ -750,9 +779,62 @@ class DownloadUtils {
} else if let sizeInt = package["DownloadSize"] as? Int {
downloadSize = Int64(sizeInt)
} else { continue }
let installLanguage = "[installLanguage]==\(task.language)"
if let condition = package["Condition"] as? String {
if condition.isEmpty {
shouldDownload = true
} else {
if condition.contains("[OSVersion]") {
let osVersion = ProcessInfo.processInfo.operatingSystemVersion
let currentVersion = Double("\(osVersion.majorVersion).\(osVersion.minorVersion)") ?? 0.0
let versionPattern = #"\[OSVersion\](>=|<=|<|>|==)([\d.]+)"#
let regex = try? NSRegularExpression(pattern: versionPattern)
let range = NSRange(condition.startIndex..<condition.endIndex, in: condition)
if let matches = regex?.matches(in: condition, range: range) {
var meetsAllConditions = true
for match in matches {
guard let operatorRange = Range(match.range(at: 1), in: condition),
let versionRange = Range(match.range(at: 2), in: condition),
let requiredVersion = Double(condition[versionRange]) else {
continue
}
let operatorSymbol = String(condition[operatorRange])
let meets = compareVersions(current: currentVersion, required: requiredVersion, operator: operatorSymbol)
if !meets {
meetsAllConditions = false
break
}
}
if meetsAllConditions {
shouldDownload = true
}
}
}
if condition.contains("[OSArchitecture]==\(AppStatics.architectureSymbol)") {
shouldDownload = true
}
if condition.contains(installLanguage) || task.language == "ALL" {
shouldDownload = true
}
}
} else {
shouldDownload = true
}
if isCore {
corePackageCount += 1
} else {
nonCorePackageCount += 1
}
if shouldDownload {
let newPackage = Package(
type: packageType,
fullPackageName: fullPackageName,
@@ -760,31 +842,6 @@ class DownloadUtils {
downloadURL: downloadURL
)
product.packages.append(newPackage)
} else {
let languageIsSuitable: Bool
if task.language == "ALL" {
languageIsSuitable = true
} else if !package.keys.contains("Condition") {
languageIsSuitable = true
} else if let condition = package["Condition"] as? String {
let matchesTaskLang = condition.contains("[installLanguage]==\(task.language)")
let matchesOSLang = condition.contains("[installLanguage]==en_US")
languageIsSuitable = matchesTaskLang || matchesOSLang
} else {
languageIsSuitable = false
}
if languageIsSuitable {
nonCorePackageCount += 1
let newPackage = Package(
type: packageType,
fullPackageName: fullPackageName,
downloadSize: downloadSize,
downloadURL: downloadURL
)
product.packages.append(newPackage)
} else {
}
}
}
}
@@ -1115,6 +1172,7 @@ class DownloadUtils {
for package in packagesToDownload {
let packageDir = "\(targetDirectory)/\(package.name)"
let packageCommands = [
"rm -rf '\(packageDir)'",
"mkdir -p '\(packageDir)'",
"unzip -o '\(tempDirectory.path)/\(package.name).zip' -d '\(packageDir)/'",
"chmod -R 755 '\(packageDir)'",
@@ -1219,4 +1277,21 @@ class DownloadUtils {
throw NetworkError.invalidData("Neither URL nor resume data provided")
}
}
private func compareVersions(current: Double, required: Double, operator: String) -> Bool {
switch `operator` {
case ">=":
return current >= required
case "<=":
return current <= required
case ">":
return current > required
case "<":
return current < required
case "==":
return current == required
default:
return false
}
}
}