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Unescape XML entities in notification body

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This commit is contained in:
Justin Mazzocchi 2021-01-10 17:40:39 -08:00
parent 5c5677507b
commit 015172b719
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GPG key ID: E223E6937AAFB01C
3 changed files with 42 additions and 1 deletions
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4
Metatext.xcodeproj/project.pbxproj
View file

@ -50,6 +50,7 @@
D059373425AAEA7000754FDF /* CompositionPollView.swift in Sources */ = {isa = PBXBuildFile; fileRef = D059373225AAEA7000754FDF /* CompositionPollView.swift */; };
D059373E25AB8D5200754FDF /* CompositionPollOptionView.swift in Sources */ = {isa = PBXBuildFile; fileRef = D059373D25AB8D5200754FDF /* CompositionPollOptionView.swift */; };
D059373F25AB8D5200754FDF /* CompositionPollOptionView.swift in Sources */ = {isa = PBXBuildFile; fileRef = D059373D25AB8D5200754FDF /* CompositionPollOptionView.swift */; };
D059376125ABE2E800754FDF /* XMLUnescaper.swift in Sources */ = {isa = PBXBuildFile; fileRef = D059376025ABE2E800754FDF /* XMLUnescaper.swift */; };
D0625E59250F092900502611 /* StatusListCell.swift in Sources */ = {isa = PBXBuildFile; fileRef = D0625E58250F092900502611 /* StatusListCell.swift */; };
D0625E5D250F0B5C00502611 /* StatusContentConfiguration.swift in Sources */ = {isa = PBXBuildFile; fileRef = D0625E5C250F0B5C00502611 /* StatusContentConfiguration.swift */; };
D06BC5E625202AD90079541D /* ProfileViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = D06BC5E525202AD90079541D /* ProfileViewController.swift */; };
@ -202,6 +203,7 @@
D05936FE25AA94EA00754FDF /* MarkAttachmentsSensitiveView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = MarkAttachmentsSensitiveView.swift; sourceTree = "<group>"; };
D059373225AAEA7000754FDF /* CompositionPollView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = CompositionPollView.swift; sourceTree = "<group>"; };
D059373D25AB8D5200754FDF /* CompositionPollOptionView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = CompositionPollOptionView.swift; sourceTree = "<group>"; };
D059376025ABE2E800754FDF /* XMLUnescaper.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = XMLUnescaper.swift; sourceTree = "<group>"; };
D0625E58250F092900502611 /* StatusListCell.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = StatusListCell.swift; sourceTree = "<group>"; };
D0625E5C250F0B5C00502611 /* StatusContentConfiguration.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = StatusContentConfiguration.swift; sourceTree = "<group>"; };
D0666A2124C677B400F3F04B /* Tests.xctest */ = {isa = PBXFileReference; explicitFileType = wrapper.cfbundle; includeInIndex = 0; path = Tests.xctest; sourceTree = BUILT_PRODUCTS_DIR; };
@ -563,6 +565,7 @@
D0E5361D24E3EB4D00FB1CE1 /* Info.plist */,
D0E5362824E4A06B00FB1CE1 /* Notification Service Extension.entitlements */,
D0E5361B24E3EB4D00FB1CE1 /* NotificationService.swift */,
D059376025ABE2E800754FDF /* XMLUnescaper.swift */,
);
path = "Notification Service Extension";
sourceTree = "<group>";
@ -911,6 +914,7 @@
buildActionMask = 2147483647;
files = (
D0E5361C24E3EB4D00FB1CE1 /* NotificationService.swift in Sources */,
D059376125ABE2E800754FDF /* XMLUnescaper.swift in Sources */,
);
runOnlyForDeploymentPostprocessing = 0;
};

2
Notification Service Extension/NotificationService.swift
View file

@ -32,7 +32,7 @@ final class NotificationService: UNNotificationServiceExtension {
}
bestAttemptContent.title = pushNotification.title
bestAttemptContent.body = pushNotification.body
bestAttemptContent.body = XMLUnescaper(string: pushNotification.body).unescape()
let fileName = pushNotification.icon.lastPathComponent
let fileURL = URL(fileURLWithPath: NSTemporaryDirectory(), isDirectory: true).appendingPathComponent(fileName)

37
Notification Service Extension/XMLUnescaper.swift Normal file
View file

@ -0,0 +1,37 @@
// Copyright © 2021 Metabolist. All rights reserved.
import Foundation
final class XMLUnescaper: NSObject {
private let rawString: String
private let parser: XMLParser
private var unescaped = ""
private static let containerTag = "com.metabolist.metatext.container-tag"
private static let openingContainerTag = "<\(containerTag)>"
private static let closingContainerTag = "</\(containerTag)>"
init(string: String) {
rawString = Self.openingContainerTag
.appending(string)
.appending(Self.closingContainerTag)
parser = XMLParser(data: Data(rawString.utf8))
super.init()
parser.delegate = self
}
}
extension XMLUnescaper {
func unescape() -> String {
parser.parse()
return unescaped
}
}
extension XMLUnescaper: XMLParserDelegate {
func parser(_ parser: XMLParser, foundCharacters string: String) {
unescaped.append(string)
}
}