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Accept regular expressions from server

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This commit is contained in:
Ali 2021-01-26 22:47:29 +05:00
parent ee1f85226b
commit ed95c332f3
1 changed files with 60 additions and 5 deletions
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65
submodules/TelegramUI/Sources/ShareExtensionContext.swift
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@ -406,6 +406,25 @@ public class ShareRootControllerImpl {
var otherEntries: [(SSZipEntry, String, ChatHistoryImport.MediaType)] = [] var otherEntries: [(SSZipEntry, String, ChatHistoryImport.MediaType)] = []
var mainFile: TempBoxFile? var mainFile: TempBoxFile?
let appConfiguration = context.currentAppConfiguration.with({ $0 })
/*
history_import_filters: {
"zip": {
"main_file_patterns": [
"_chat\\.txt",
"KakaoTalkChats\\.txt",
"Talk_.*?\\.txt"
]
},
"txt": {
"patterns": [
"^\\[LINE\\]"
]
}
}
*/
if fileExtension.lowercased() == "zip" { if fileExtension.lowercased() == "zip" {
let archivePath = url.path let archivePath = url.path
archivePathValue = archivePath archivePathValue = archivePath
@ -415,12 +434,24 @@ public class ShareRootControllerImpl {
return return
} }
let mainFileNames: [NSRegularExpression] = [ var mainFileNameExpressions: [String] = [
try! NSRegularExpression(pattern: "_chat\\.txt"), "_chat\\.txt",
try! NSRegularExpression(pattern: "KakaoTalkChats\\.txt"), "KakaoTalkChats\\.txt",
try! NSRegularExpression(pattern: "Talk_.*?\\.txt"), "Talk_.*?\\.txt",
] ]
if let data = appConfiguration.data, let dict = data["history_import_filters"] as? [String: Any] {
if let zip = dict["zip"] as? [String: Any] {
if let patterns = zip["main_file_patterns"] as? [String] {
mainFileNameExpressions = patterns
}
}
}
let mainFileNames: [NSRegularExpression] = mainFileNameExpressions.compactMap { string -> NSRegularExpression? in
return try? NSRegularExpression(pattern: string)
}
var maybeMainFileName: String? var maybeMainFileName: String?
mainFileLoop: for entry in entries { mainFileLoop: for entry in entries {
let entryFileName = entry.path.replacingOccurrences(of: "/", with: "_").replacingOccurrences(of: "..", with: "_") let entryFileName = entry.path.replacingOccurrences(of: "/", with: "_").replacingOccurrences(of: "..", with: "_")
@ -476,8 +507,32 @@ public class ShareRootControllerImpl {
} }
} }
} else if fileExtension.lowercased() == "txt" { } else if fileExtension.lowercased() == "txt" {
var fileScanExpressions: [String] = [
"^\\[LINE\\]",
]
if let data = appConfiguration.data, let dict = data["history_import_filters"] as? [String: Any] {
if let zip = dict["txt"] as? [String: Any] {
if let patterns = zip["patterns"] as? [String] {
fileScanExpressions = patterns
}
}
}
let filePatterns: [NSRegularExpression] = fileScanExpressions.compactMap { string -> NSRegularExpression? in
return try? NSRegularExpression(pattern: string)
}
if let mainFileText = try? String(contentsOf: URL(fileURLWithPath: url.path)) { if let mainFileText = try? String(contentsOf: URL(fileURLWithPath: url.path)) {
if !mainFileText.hasPrefix("[LINE]") { let fullRange = NSRange(mainFileText.startIndex ..< mainFileText.endIndex, in: mainFileText)
var foundMatch = false
for pattern in filePatterns {
if pattern.firstMatch(in: mainFileText, options: [], range: fullRange) != nil {
foundMatch = true
break
}
}
if !foundMatch {
beginShare() beginShare()
return return
} }