1 files changed, 0 insertions, 353 deletions
diff --git a/Sources/gopherHandler.swift b/Sources/gopherHandler.swift
deleted file mode 100644
index 00a3a30..0000000
--- a/Sources/gopherHandler.swift
+++ /dev/null
@@ -1,353 +0,0 @@
-import ArgumentParser
-import Foundation
-import Logging
-import NIO
-
-final class GopherHandler: ChannelInboundHandler {
-  typealias InboundIn = ByteBuffer
-  typealias OutboundOut = ByteBuffer
-
-  let gopherdata_dir: String
-  let gopherdata_host: String
-  let gopherdata_port: Int
-  let logger: Logger
-  let enableSearch: Bool
-  let disableGophermap: Bool
-
-  init(
-    logger: Logger,
-    gopherdata_dir: String = "./example-gopherdata", gopherdata_host: String = "localhost",
-    gopherdata_port: Int = 70, enableSearch: Bool = false,
-    disableGophermap: Bool = false
-  ) {
-    self.gopherdata_dir = gopherdata_dir
-    self.gopherdata_host = gopherdata_host
-    self.gopherdata_port = gopherdata_port
-    self.logger = logger
-    self.enableSearch = enableSearch
-    self.disableGophermap = disableGophermap
-  }
-
-  func channelRead(context: ChannelHandlerContext, data: NIOAny) {
-    let input = self.unwrapInboundIn(data)
-
-    guard let requestString = input.getString(at: 0, length: input.readableBytes) else {
-      return
-    }
-
-    if let remoteAddress = context.remoteAddress {
-        logger.info("Received request from \(remoteAddress) for '\(requestString.replacingOccurrences(of: "\r\n", with: "<GopherSequence>").replacingOccurrences(of: "\n", with: "<Linebreak>"))'")
-    } else {
-        logger.warning("Unable to retrieve remote address")
-    }
-
-    let response = processGopherRequest(requestString)
-
-    var buffer: ByteBuffer
-
-    switch response {
-    case .string(let string):
-      buffer = context.channel.allocator.buffer(string: string)
-    case .data(let data):
-      buffer = context.channel.allocator.buffer(bytes: data)
-    }
-
-    context.writeAndFlush(self.wrapOutboundOut(buffer)).whenComplete { _ in
-      context.close(mode: .all, promise: nil)
-    }
-  }
-
-  func requestHandler(path: URL) -> ResponseType {
-    logger.info("Handling request for '\(path.path)'")
-
-    // Check if path is a directory or a file
-    let fm = FileManager.default
-    var isDir: ObjCBool = false
-
-    if fm.fileExists(atPath: path.path, isDirectory: &isDir) {
-      if isDir.boolValue {
-        return .string(prepareGopherMenu(path: path))
-      } else {
-        // Check if file is plain text or binary
-        let fileExtension = path.pathExtension
-        let fileType = getFileType(fileExtension: fileExtension)
-
-        if fileType == .text || fileType == .html {
-          do {
-            let fileContents = try String(contentsOfFile: path.path, encoding: .utf8)
-
-            return .string(fileContents)
-          } catch {
-            logger.error("Error reading file: \(path.path) Error: \(error)")
-            return .string("3Error reading file...\t\terror.host\t1\r\n")
-          }
-        } else {
-          // Handle binary file
-          do {
-            let fileContents = try Data(contentsOf: path)
-            return .data(fileContents)
-          } catch {
-            logger.error("Error reading binary file: \(path.path) Error: \(error)")
-            return .string("3Error reading file...\t\terror.host\t1\r\n")
-          }
-        }
-
-      }
-    } else {
-      logger.error("Error reading directory: \(path.path) Directory does not exist.")
-      return .string("3Error reading file...\t\terror.host\t1\r\n")
-    }
-
-  }
-
-  func preparePath(path: String = "/") -> URL {
-    var sanitizedPath = sanitizeSelectorPath(path: path)
-    let base_dir = URL(fileURLWithPath: gopherdata_dir)
-    if base_dir.path.hasSuffix("/") && sanitizedPath.hasPrefix("/") {
-      sanitizedPath = String(sanitizedPath.dropFirst())
-    }
-
-    // Now check if there is still a prefix
-    if sanitizedPath.hasPrefix("/") {
-        sanitizedPath = String(sanitizedPath.dropFirst())
-    }
-
-    let full_path = base_dir.appendingPathComponent(sanitizedPath)
-    return full_path
-  }
-
-  func generateGopherItem(
-    item_name: String, item_path: URL, item_host: String? = nil, item_port: String? = nil
-  ) -> String {
-    let myItemHost = item_host ?? gopherdata_host
-    let myItemPort = item_port ?? String(gopherdata_port)
-    let base_path = URL(fileURLWithPath: gopherdata_dir)
-    var relative_path = item_path.path.replacingOccurrences(of: base_path.path, with: "")
-    if !relative_path.hasPrefix("/") {
-      relative_path = "/\(relative_path)"
-    }
-    return "\(item_name)\t\(relative_path)\t\(myItemHost)\t\(myItemPort)\r\n"
-  }
-
-  func generateGopherMap(path: URL) -> [String] {
-    var items: [String] = []
-
-    var basePath = URL(fileURLWithPath: gopherdata_dir).path
-    if basePath.hasSuffix("/") {
-        basePath = String(basePath.dropLast())
-    }
-
-    let fm = FileManager.default
-    do {
-        print("Reading directory: \(path.path)")
-        let itemsInDirectory = try fm.contentsOfDirectory(at: path, includingPropertiesForKeys: nil)
-        for item in itemsInDirectory {
-            let isDirectory = try item.resourceValues(forKeys: [.isDirectoryKey]).isDirectory ?? false
-            let name = item.lastPathComponent
-            if isDirectory {
-                items.append(generateGopherItem(item_name: "1\(name)", item_path: item))
-            } else {
-                let fileType = getFileType(fileExtension: item.pathExtension)
-                let gopherFileType = fileTypeToGopherItem(fileType: fileType)
-                items.append(generateGopherItem(item_name: "\(gopherFileType)\(name)", item_path: item))
-            }
-        }
-    } catch {
-        print("Error reading directory: \(path.path)")
-    }
-    return items
-  }
-
-  func prepareGopherMenu(path: URL = URL(string: "/")!) -> String {
-    var gopherResponse: [String] = []
-
-    let fm = FileManager.default
-
-    do {
-      let gophermap_path = path.appendingPathComponent("gophermap")
-      if fm.fileExists(atPath: gophermap_path.path) && !disableGophermap {
-        let gophermap_contents = try String(contentsOfFile: gophermap_path.path, encoding: .utf8)
-        let gophermap_lines = gophermap_contents.components(separatedBy: "\n")
-        for originalLine in gophermap_lines {
-          // Only keep first 80 characters
-          var line = String(originalLine)//.prefix(80)
-           if "0123456789+gIT:;<dhprsPXi".contains(line.prefix(1)) && line.count > 1 {
-            if line.hasSuffix("\n") {
-              line = String(line.dropLast())
-            }
-            if line.prefix(1) == "i" {
-              gopherResponse.append("\(line)\t\terror.host\t1\r\n")
-                continue
-            }
-
-            let regex = try! NSRegularExpression(pattern: "\\t+| {2,}")
-            let nsString = line as NSString
-            let range = NSRange(location: 0, length: nsString.length)
-            let matches = regex.matches(in: String(line), range: range)
-
-            var lastRangeEnd = 0
-            var components = [String]()
-
-            for match in matches {
-              let range = NSRange(
-                location: lastRangeEnd, length: match.range.location - lastRangeEnd)
-              components.append(nsString.substring(with: range))
-              lastRangeEnd = match.range.location + match.range.length
-            }
-
-            if lastRangeEnd < nsString.length {
-              components.append(nsString.substring(from: lastRangeEnd))
-            }
-
-            if components.count < 3 {
-                continue
-            }
-
-            let item_name = components[0]
-            let item_path = components[1]
-            let item_host = components[2]
-            let item_port = components.count > 3 ? components[3] : "70"
-
-            let item_line = "\(item_name)\t\(item_path)\t\(item_host)\t\(item_port)\r\n"
-            gopherResponse.append(item_line)
-          } else {
-            line = line.replacingOccurrences(of: "\n", with: "")
-            gopherResponse.append("i\(line)\t\terror.host\t1\r\n")
-          }
-        }
-      } else {
-        print("No gophermap found for \(path.path)")
-        gopherResponse = generateGopherMap(path: path)
-      }
-    } catch {
-      logger.error("Error reading directory: \(path.path)")
-      gopherResponse.append("3Error reading directory...\r\n")
-    }
-
-    // Append Search
-    if enableSearch {
-        let search_line = "7Search Server\t/search\t\(gopherdata_host)\t\(gopherdata_port)\r\n"
-        gopherResponse.append(search_line)
-    }
-
-    // Append Server Info
-    gopherResponse.append(buildVersionStringResponse())
-    
-
-    return gopherResponse.joined(separator: "")
-  }
-
-    // TODO: Refactor
-  func performSearch(query: String) -> String {
-    // Really basic search implementation
-
-    var search_results = [String: String]()
-
-    let fm = FileManager.default
-
-    let base_dir = URL(fileURLWithPath: gopherdata_dir)
-
-    let enumerator = fm.enumerator(at: base_dir, includingPropertiesForKeys: nil)
-
-    while let file = enumerator?.nextObject() as? URL {
-      let file_name = file.lastPathComponent
-      let file_path = file.path
-      let file_type =
-        try? file.resourceValues(forKeys: [.isDirectoryKey]).isDirectory ?? false ? "1" : "0"
-
-      if file_type == "0" {
-        // Check if file name or contents match the query
-        let file_contents = try? String(contentsOfFile: file_path, encoding: .utf8)
-        if file_name.lowercased().contains(query)
-          || (file_contents?.lowercased().contains(query) ?? false)
-        {
-          search_results[file_name] = file_path
-        }
-      } else {
-        // Check if directory name matches the query
-        if file_name.lowercased().contains(query) {
-          search_results[file_name] = file_path
-        }
-      }
-    }
-
-    // Prepare Gopher menu with search results
-    var gopherResponse: [String] = []
-
-    for (_, file_path) in search_results {
-      let item_type =
-        try? URL(fileURLWithPath: file_path).resourceValues(forKeys: [.isDirectoryKey]).isDirectory
-        ?? false ? "1" : "0"
-      let item_host = gopherdata_host
-      let item_port = gopherdata_port
-      let item_path = file_path.replacingOccurrences(of: base_dir.path, with: "")
-      let item_line =
-        "\(item_type ?? "0")\(item_path)\t\(item_path)\t\(item_host)\t\(item_port)\r\n"
-      gopherResponse.append(item_line)
-    }
-
-    if gopherResponse.count == 0 {
-      gopherResponse.append("iNo results found for the query \(query)\r\n")
-    }
-    gopherResponse.append(buildVersionStringResponse())
-    return gopherResponse.joined(separator: "")
-
-  }
-
-  func sanitizeSelectorPath(path: String) -> String {
-    // Replace \r\n with empty string
-    var sanitizedRequest = path.replacingOccurrences(of: "\r\n", with: "")
-
-    // Basic escape against directory traversal
-    while sanitizedRequest.contains("..") {
-      sanitizedRequest = sanitizedRequest.replacingOccurrences(of: "..", with: "")
-    }
-
-    while sanitizedRequest.contains("//") {
-      sanitizedRequest = sanitizedRequest.replacingOccurrences(of: "//", with: "/")
-    }
-
-    return sanitizedRequest
-  }
-
-  func channelReadComplete(context: ChannelHandlerContext) {
-    context.flush()
-  }
-
-  func errorCaught(context: ChannelHandlerContext, error: Error) {
-    print("Error: \(error)")
-    logger.error("Error: \(error)")
-    context.close(promise: nil)
-  }
-
-  private func processGopherRequest(_ originalRequest: String) -> ResponseType {
-    var request = originalRequest
-
-    // Fix for "Gopher" (iOS) client sending an extra \n
-    if request.hasSuffix("\n\n") {
-        request = String(request.dropLast())
-    }
-
-    if request == "\r\n" { // Empty request
-      return .string(prepareGopherMenu(path: preparePath()))
-    }
-
-    // Again, fix for the iOS client. Might as well make my own client
-    if request.hasSuffix("\n") {
-        request = String(request.dropLast())
-    }
-
-    if request.contains("\t") {
-        if enableSearch {
-            var searchQuery = request.components(separatedBy: "\t")[1]
-            searchQuery = searchQuery.replacingOccurrences(of: "\r\n", with: "")
-            return .string(performSearch(query: searchQuery.lowercased()))
-        } else {
-            return .string("3Search is disabled on this server.\r\n")
-        }
-    }
-    
-    //TODO: Potential Bug in Gopher implementation? curl gopher://localhost:8080/new_folder/ does not work but curl gopher://localhost:8080//new_folder/ works (tested with gopher://gopher.meulie.net//EFFector/ as well)
-    return requestHandler(path: preparePath(path: request))
-  }
-}