124 lines
3.7 KiB
Swift
124 lines
3.7 KiB
Swift
import Foundation
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import AndroidXML
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extension MetaInfo {
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/// Read `AndroidManifest.xml` and parse its content
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func readApk_Manifest() -> Apk_Manifest? {
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assert(type == .APK)
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var apk = Apk(self)
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return Apk_Manifest.from(&apk)
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}
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}
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// MARK: - Apk_Manifest
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/// Representation of `AndroidManifest.xml`.
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/// See: <https://developer.android.com/guide/topics/manifest/manifest-element>
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struct Apk_Manifest {
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var packageId: String? = nil
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var appName: String? = nil
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var icon: Apk_Icon? = nil
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/// Computed property
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var appIconData: Data? = nil
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var versionName: String? = nil
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var versionCode: String? = nil
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var sdkVerMin: Int? = nil
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var sdkVerTarget: Int? = nil
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var featuresRequired: [String] = []
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var featuresOptional: [String] = []
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var permissions: [String] = []
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static func from(_ apk: inout Apk) -> Self? {
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guard let manifest = apk.manifest else {
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return nil
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}
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let storage = ApkXmlManifestParser()
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if let xml = try? AndroidXML.init(data: manifest) {
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let parser = xml.parseXml()
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let ignore = XMLParser()
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try? parser.iterElements({ startTag, attributes in
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if ALLOWED_TAGS.contains(startTag) {
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storage.parser(ignore, didStartElement: startTag, namespaceURI: nil, qualifiedName: nil, attributes: try attributes.asDictStr())
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}
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}) { endTag in
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if ALLOWED_TAGS.contains(endTag) {
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storage.parser(ignore, didEndElement: endTag, namespaceURI: nil, qualifiedName: nil)
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}
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}
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} else {
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// fallback to xml-string parser
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let parser = XMLParser(data: manifest)
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parser.delegate = storage
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parser.parse()
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}
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var rv = storage.result
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apk.resolveName(&rv.appName)
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rv.icon = Apk_Icon(&apk, iconRef: storage.iconRef)
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return rv
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}
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}
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// keep in sync with `ApkXmlManifestParser` below
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private let ALLOWED_TAGS = [
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"manifest",
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"application",
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"uses-feature",
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"uses-permission",
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"uses-permission-sdk-23",
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"uses-sdk",
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]
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/// Wrapper to use same code for binary-xml and string-xml parsing
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private class ApkXmlManifestParser: NSObject, XMLParserDelegate {
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private var _scope: [String] = []
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var result = Apk_Manifest()
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var iconRef: String? = nil
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func parser(_ parser: XMLParser, didStartElement elementName: String, namespaceURI: String?, qualifiedName qName: String?, attributes attrs: [String : String] = [:]) {
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// keep in sync with `ALLOWED_TAGS` above
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switch elementName {
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case "manifest":
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if _scope == [] {
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result.packageId = attrs["package"] // "org.bundle.id"
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result.versionName = attrs["android:versionName"] // "7.62.3"
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result.versionCode = attrs["android:versionCode"] // "160700"
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// attrs["platformBuildVersionCode"] // "35"
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// attrs["platformBuildVersionName"] // "15"
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}
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case "application":
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if _scope == ["manifest"] {
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result.appName = attrs["android:label"] // @resource-ref
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iconRef = attrs["android:icon"] // @resource-ref
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}
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case "uses-permission", "uses-permission-sdk-23":
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// no "permission" because that will produce duplicates with "uses-permission"
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if _scope == ["manifest"], let name = attrs["android:name"] {
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result.permissions.append(name)
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}
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case "uses-feature":
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if _scope == ["manifest"], let name = attrs["android:name"] {
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if attrs["android:required"] == "false" {
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result.featuresOptional.append(name)
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} else {
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result.featuresRequired.append(name)
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}
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}
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case "uses-sdk":
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if _scope == ["manifest"] {
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result.sdkVerMin = Int(attrs["android:minSdkVersion"] ?? "1") // "21"
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result.sdkVerTarget = Int(attrs["android:targetSdkVersion"] ?? "-1") // "35"
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}
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default: break // ignore
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}
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_scope.append(elementName)
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}
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func parser(_ parser: XMLParser, didEndElement elementName: String, namespaceURI: String?, qualifiedName qName: String?) {
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_scope.removeLast()
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}
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}
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