//
// WebDAVFileProvider.swift
// FileProvider
//
// Created by Amir Abbas Mousavian.
// Copyright © 2016 Mousavian. Distributed under MIT license.
//
import Foundation
public final class WebDavFileObject: FileObject {
public let contentType: String
public let entryTag: String?
public init(absoluteURL: NSURL, name: String, path: String, size: Int64, contentType: String, createdDate: NSDate?, modifiedDate: NSDate?, fileType: FileType, isHidden: Bool, isReadOnly: Bool, entryTag: String?) {
self.contentType = contentType
self.entryTag = entryTag
super.init(absoluteURL: absoluteURL, name: name, path: path, size: size, createdDate: createdDate, modifiedDate: modifiedDate, fileType: fileType, isHidden: isHidden, isReadOnly: isReadOnly)
}
}
// Because this class uses NSURLSession, it's necessary to disable App Transport Security
// in case of using this class with unencrypted HTTP connection.
public class WebDAVFileProvider: NSObject, FileProviderBasic {
public let type: String = "WebDAV"
public let isPathRelative: Bool = true
public let baseURL: NSURL?
public var currentPath: String = ""
public var dispatch_queue: dispatch_queue_t {
willSet {
assert(_session == nil, "It's not effective to change dispatch_queue property after session is initialized.")
}
}
public weak var delegate: FileProviderDelegate?
public let credential: NSURLCredential?
private var _session: NSURLSession?
private var session: NSURLSession {
if _session == nil {
let queue = NSOperationQueue()
//queue.underlyingQueue = dispatch_queue
_session = NSURLSession(configuration: NSURLSessionConfiguration.defaultSessionConfiguration(), delegate: self, delegateQueue: queue)
}
return _session!
}
public init? (baseURL: NSURL, credential: NSURLCredential?) {
if !["http", "https"].contains(baseURL.uw_scheme.lowercaseString) {
return nil
}
self.baseURL = baseURL
dispatch_queue = dispatch_queue_create("FileProvider.\(type)", DISPATCH_QUEUE_CONCURRENT)
//let url = baseURL.uw_absoluteString
self.credential = credential
}
deinit {
_session?.invalidateAndCancel()
}
public func contentsOfDirectoryAtPath(path: String, completionHandler: ((contents: [FileObject], error: ErrorType?) -> Void)) {
let url = absoluteURL(path)
let request = NSMutableURLRequest(URL: url)
request.HTTPMethod = "PROPFIND"
request.setValue("1", forHTTPHeaderField: "Depth")
request.setValue("text/xml; charset=\"utf-8\"", forHTTPHeaderField: "Content-Type")
request.HTTPBody = "\n\n".dataUsingEncoding(NSUTF8StringEncoding)
request.setValue(String(request.HTTPBody!.length), forHTTPHeaderField: "Content-Length")
let task = session.dataTaskWithRequest(request) { (data, response, error) in
var responseError: FileProviderWebDavError?
if let code = (response as? NSHTTPURLResponse)?.statusCode where code >= 300, let rCode = FileProviderHTTPErrorCode(rawValue: code) {
responseError = FileProviderWebDavError(code: rCode, url: url)
}
if let data = data {
let xresponse = self.parseXMLResponse(data)
var fileObjects = [WebDavFileObject]()
for attr in xresponse {
if attr.href.path == url.path {
continue
}
fileObjects.append(self.mapToFileObject(attr))
}
completionHandler(contents: fileObjects, error: responseError ?? error)
return
}
completionHandler(contents: [], error: responseError ?? error)
}
task.resume()
}
public func attributesOfItemAtPath(path: String, completionHandler: ((attributes: FileObject?, error: ErrorType?) -> Void)) {
let url = absoluteURL(path)
let request = NSMutableURLRequest(URL: url)
request.HTTPMethod = "PROPFIND"
request.setValue("1", forHTTPHeaderField: "Depth")
request.setValue("text/xml; charset=\"utf-8\"", forHTTPHeaderField: "Content-Type")
request.HTTPBody = "\n\n".dataUsingEncoding(NSUTF8StringEncoding)
request.setValue(String(request.HTTPBody!.length), forHTTPHeaderField: "Content-Length")
let task = session.dataTaskWithRequest(request) { (data, response, error) in
var responseError: FileProviderWebDavError?
if let code = (response as? NSHTTPURLResponse)?.statusCode where code >= 300, let rCode = FileProviderHTTPErrorCode(rawValue: code) {
responseError = FileProviderWebDavError(code: rCode, url: url)
}
if let data = data {
let xresponse = self.parseXMLResponse(data)
if let attr = xresponse.first {
completionHandler(attributes: self.mapToFileObject(attr), error: responseError ?? error)
return
}
}
completionHandler(attributes: nil, error: responseError ?? error)
}
task.resume()
}
public func storageProperties(completionHandler: ((total: Int64, used: Int64) -> Void)) {
// Not all WebDAV clients implements RFC2518 which allows geting storage quota.
// In this case you won't get error. totalSize is NSURLSessionTransferSizeUnknown
// and used space is zero.
guard let baseURL = baseURL else {
return
}
let request = NSMutableURLRequest(URL: baseURL)
request.HTTPMethod = "PROPFIND"
request.setValue("0", forHTTPHeaderField: "Depth")
request.setValue("text/xml; charset=\"utf-8\"", forHTTPHeaderField: "Content-Type")
request.HTTPBody = "\n\n\n".dataUsingEncoding(NSUTF8StringEncoding)
request.setValue(String(request.HTTPBody!.length), forHTTPHeaderField: "Content-Length")
let task = session.dataTaskWithRequest(request) { (data, response, error) in
if let data = data {
let xresponse = self.parseXMLResponse(data)
if let attr = xresponse.first {
let totalSize = Int64(attr.prop["quota-available-bytes"] ?? "")
let usedSize = Int64(attr.prop["quota-used-bytes"] ?? "")
completionHandler(total: totalSize ?? -1, used: usedSize ?? 0)
return
}
}
completionHandler(total: -1, used: 0)
}
task.resume()
}
public weak var fileOperationDelegate: FileOperationDelegate?
}
extension WebDAVFileProvider: FileProviderOperations {
public func createFolder(folderName: String, atPath: String, completionHandler: SimpleCompletionHandler) {
let url = absoluteURL((atPath as NSString).stringByAppendingPathComponent(folderName) + "/")
let request = NSMutableURLRequest(URL: url)
request.HTTPMethod = "MKCOL"
let task = session.dataTaskWithRequest(request) { (data, response, error) in
var responseError: FileProviderWebDavError?
if let code = (response as? NSHTTPURLResponse)?.statusCode where code >= 300, let rCode = FileProviderHTTPErrorCode(rawValue: code) {
responseError = FileProviderWebDavError(code: rCode, url: url)
}
if let response = response as? NSHTTPURLResponse, let code = FileProviderHTTPErrorCode(rawValue: response.statusCode) where code != .OK {
completionHandler?(error: FileProviderWebDavError(code: code, url: url))
return
}
completionHandler?(error: responseError ?? error)
self.delegateNotify(.Create(path: (atPath as NSString).stringByAppendingPathComponent(folderName) + "/"), error: responseError ?? error)
}
task.resume()
}
public func createFile(fileAttribs: FileObject, atPath path: String, contents data: NSData?, completionHandler: SimpleCompletionHandler) {
let url = absoluteURL(path)
let request = NSMutableURLRequest(URL: url)
request.HTTPMethod = "PUT"
let task = session.uploadTaskWithRequest(request, fromData: data) { (data, response, error) in
var responseError: FileProviderWebDavError?
if let code = (response as? NSHTTPURLResponse)?.statusCode where code >= 300, let rCode = FileProviderHTTPErrorCode(rawValue: code) {
responseError = FileProviderWebDavError(code: rCode, url: url)
}
completionHandler?(error: responseError ?? error)
self.delegateNotify(.Create(path: (path as NSString).stringByAppendingPathComponent(fileAttribs.name)), error: responseError ?? error)
}
task.taskDescription = self.dictionaryToJSON(["type": "Create", "source": (path as NSString).stringByAppendingPathComponent(fileAttribs.name)])
task.resume()
}
public func moveItemAtPath(path: String, toPath: String, overwrite: Bool = false, completionHandler: SimpleCompletionHandler) {
self.copyMoveItemAtPath(true, path: path, toPath: toPath, overwrite: overwrite, completionHandler: completionHandler)
}
public func copyItemAtPath(path: String, toPath: String, overwrite: Bool = false, completionHandler: SimpleCompletionHandler) {
self.copyMoveItemAtPath(false, path: path, toPath: toPath, overwrite: overwrite, completionHandler: completionHandler)
}
private func copyMoveItemAtPath(move:Bool, path: String, toPath: String, overwrite: Bool, completionHandler: SimpleCompletionHandler) {
let url = absoluteURL(path)
let request = NSMutableURLRequest(URL: url)
if move {
request.HTTPMethod = "MOVE"
} else {
request.HTTPMethod = "COPY"
}
request.setValue(absoluteURL(path).uw_absoluteString, forHTTPHeaderField: "Destination")
if !overwrite {
request.setValue("F", forHTTPHeaderField: "Overwrite")
}
let task = session.dataTaskWithRequest(request) { (data, response, error) in
if let response = response as? NSHTTPURLResponse, let code = FileProviderHTTPErrorCode(rawValue: response.statusCode) {
defer {
let op = move ? FileOperation.Move(source: path, destination: toPath) : .Copy(source: path, destination: toPath)
self.delegateNotify(op, error: error)
}
if code == .MultiStatus, let data = data {
let xresponses = self.parseXMLResponse(data)
for xresponse in xresponses where xresponse.status >= 300 {
completionHandler?(error: FileProviderWebDavError(code: code, url: url))
}
} else {
completionHandler?(error: FileProviderWebDavError(code: code, url: url))
}
return
}
completionHandler?(error: error)
}
task.resume()
}
public func removeItemAtPath(path: String, completionHandler: SimpleCompletionHandler) {
let url = absoluteURL(path)
let request = NSMutableURLRequest(URL: url)
request.HTTPMethod = "DELETE"
let task = session.dataTaskWithRequest(request) { (data, response, error) in
if let response = response as? NSHTTPURLResponse, let code = FileProviderHTTPErrorCode(rawValue: response.statusCode) {
defer {
self.delegateNotify(.Remove(path: path), error: error)
}
if code == .MultiStatus, let data = data {
let xresponses = self.parseXMLResponse(data)
for xresponse in xresponses where xresponse.status >= 300 {
completionHandler?(error: FileProviderWebDavError(code: code, url: url))
}
} else {
completionHandler?(error: FileProviderWebDavError(code: code, url: url))
}
return
}
completionHandler?(error: error)
}
task.resume()
}
public func copyLocalFileToPath(localFile: NSURL, toPath: String, completionHandler: SimpleCompletionHandler) {
let url = absoluteURL(toPath)
let request = NSMutableURLRequest(URL: url)
request.HTTPMethod = "PUT"
let task = session.uploadTaskWithRequest(request, fromFile: localFile) { (data, response, error) in
var responseError: FileProviderWebDavError?
if let code = (response as? NSHTTPURLResponse)?.statusCode where code >= 300, let rCode = FileProviderHTTPErrorCode(rawValue: code) {
responseError = FileProviderWebDavError(code: rCode, url: url)
}
completionHandler?(error: responseError ?? error)
self.delegateNotify(.Move(source: localFile.uw_absoluteString, destination: toPath), error: responseError ?? error)
}
task.taskDescription = self.dictionaryToJSON(["type": "Copy", "source": localFile.uw_absoluteString, "dest": toPath])
task.resume()
}
public func copyPathToLocalFile(path: String, toLocalURL: NSURL, completionHandler: SimpleCompletionHandler) {
let url = absoluteURL(path)
let request = NSMutableURLRequest(URL: url)
let task = session.downloadTaskWithRequest(request) { (sourceFileURL, response, error) in
var responseError: FileProviderWebDavError?
if let code = (response as? NSHTTPURLResponse)?.statusCode where code >= 300, let rCode = FileProviderHTTPErrorCode(rawValue: code) {
responseError = FileProviderWebDavError(code: rCode, url: url)
}
if let sourceFileURL = sourceFileURL {
do {
try NSFileManager.defaultManager().copyItemAtURL(sourceFileURL, toURL: toLocalURL)
} catch let e {
completionHandler?(error: e)
return
}
}
completionHandler?(error: responseError ?? error)
}
task.taskDescription = self.dictionaryToJSON(["type": "Copy", "source": path, "dest": toLocalURL.uw_absoluteString])
task.resume()
}
}
extension WebDAVFileProvider: FileProviderReadWrite {
public func contentsAtPath(path: String, completionHandler: ((contents: NSData?, error: ErrorType?) -> Void)) {
self.contentsAtPath(path, offset: 0, length: -1, completionHandler: completionHandler)
}
public func contentsAtPath(path: String, offset: Int64, length: Int, completionHandler: ((contents: NSData?, error: ErrorType?) -> Void)) {
let url = absoluteURL(path)
let request = NSMutableURLRequest(URL: url)
request.HTTPMethod = "GET"
if length > 0 {
request.setValue("bytes=\(offset)-\(offset + length)", forHTTPHeaderField: "Range")
} else if offset > 0 && length < 0 {
request.setValue("bytes=\(offset)-", forHTTPHeaderField: "Range")
}
let task = session.dataTaskWithRequest(request) { (data, response, error) in
var responseError: FileProviderWebDavError?
if let code = (response as? NSHTTPURLResponse)?.statusCode where code >= 300, let rCode = FileProviderHTTPErrorCode(rawValue: code) {
responseError = FileProviderWebDavError(code: rCode, url: url)
}
completionHandler(contents: data, error: responseError ?? error)
}
task.resume()
}
public func writeContentsAtPath(path: String, contents data: NSData, atomically: Bool = false, completionHandler: SimpleCompletionHandler) {
// FIXME: lock destination before writing process
let url = atomically ? absoluteURL(path).uw_URLByAppendingPathExtension("tmp") : absoluteURL(path)
let request = NSMutableURLRequest(URL: url)
request.HTTPMethod = "PUT"
let task = session.uploadTaskWithRequest(request, fromData: data) { (data, response, error) in
var responseError: FileProviderWebDavError?
if let code = (response as? NSHTTPURLResponse)?.statusCode where code >= 300, let rCode = FileProviderHTTPErrorCode(rawValue: code) {
responseError = FileProviderWebDavError(code: rCode, url: self.absoluteURL(path))
}
defer {
self.delegateNotify(.Modify(path: path), error: responseError ?? error)
}
if let error = error {
completionHandler?(error: error)
return
}
if atomically {
self.moveItemAtPath((path as NSString).stringByAppendingPathExtension("tmp")!, toPath: path, completionHandler: completionHandler)
}
}
task.taskDescription = self.dictionaryToJSON(["type": "Modify", "source": path])
task.resume()
}
public func searchFilesAtPath(path: String, recursive: Bool, query: String, foundItemHandler: ((FileObject) -> Void)?, completionHandler: ((files: [FileObject], error: ErrorType?) -> Void)) {
let url = absoluteURL(path)
let request = NSMutableURLRequest(URL: url)
request.HTTPMethod = "PROPFIND"
//request.setValue("1", forHTTPHeaderField: "Depth")
request.setValue("text/xml; charset=\"utf-8\"", forHTTPHeaderField: "Content-Type")
request.HTTPBody = "\n\n".dataUsingEncoding(NSUTF8StringEncoding)
request.setValue(String(request.HTTPBody!.length), forHTTPHeaderField: "Content-Length")
let task = session.dataTaskWithRequest(request) { (data, response, error) in
// FIXME: paginating results
var responseError: FileProviderWebDavError?
if let code = (response as? NSHTTPURLResponse)?.statusCode where code >= 300, let rCode = FileProviderHTTPErrorCode(rawValue: code) {
responseError = FileProviderWebDavError(code: rCode, url: url)
}
if let data = data {
let xresponse = self.parseXMLResponse(data)
var fileObjects = [WebDavFileObject]()
for attr in xresponse {
if let path = attr.href.path where !((path as NSString).lastPathComponent.containsString(query)) {
continue
}
let fileObject = self.mapToFileObject(attr)
fileObjects.append(fileObject)
foundItemHandler?(fileObject)
}
completionHandler(files: fileObjects, error: responseError ?? error)
return
}
completionHandler(files: [], error: responseError ?? error)
}
task.resume()
}
private func registerNotifcation(path: String, eventHandler: (() -> Void)) {
/* There is no unified api for monitoring WebDAV server content change/update
* Microsoft Exchange uses SUBSCRIBE method, Apple uses push notification system.
* while both is unavailable in a mobile platform.
* A messy approach is listing a directory with an interval period and compare
* with previous results
*/
}
private func unregisterNotifcation(path: String) {
}
// TODO: implements methods for lock mechanism
}
extension WebDAVFileProvider: FileProvider {}
// MARK: WEBDAV XML response implementation
internal extension WebDAVFileProvider {
struct DavResponse {
let href: NSURL
let hrefString: String
let status: Int?
let prop: [String: String]
}
private func parseXMLResponse(response: NSData) -> [DavResponse] {
var result = [DavResponse]()
do {
let xml = try AEXMLDocument(xmlData: response)
var rootnode = xml.root
var responsetag = "response"
for node in rootnode.all ?? [] where node.name.lowercaseString.hasSuffix("multistatus") {
rootnode = node
}
for node in rootnode.children ?? [] where node.name.lowercaseString.hasSuffix("response") {
responsetag = node.name
break
}
for responseNode in rootnode[responsetag].all ?? [] {
var hreftag = "href"
var statustag = "status"
var propstattag = "propstat"
for node in responseNode.children ?? [] {
if node.name.lowercaseString.hasSuffix("href") {
hreftag = node.name
}
if node.name.lowercaseString.hasSuffix("status") {
statustag = node.name
}
if node.name.lowercaseString.hasSuffix("propstat") {
propstattag = node.name
}
}
let href = responseNode[hreftag].value
if let href = href, hrefURL = NSURL(string: href) {
var status: Int?
let statusDesc = (responseNode[statustag].stringValue).componentsSeparatedByString(" ")
if statusDesc.count > 2 {
status = Int(statusDesc[1])
}
var propDic = [String: String]()
let propStatNode = responseNode[propstattag]
for node in propStatNode.children ?? [] where node.name.lowercaseString.hasSuffix("status"){
statustag = node.name
break
}
let statusDesc2 = (propStatNode[statustag].stringValue).componentsSeparatedByString(" ")
if statusDesc2.count > 2 {
status = Int(statusDesc2[1])
}
var proptag = "prop"
for tnode in propStatNode.children ?? [] where tnode.name.lowercaseString.hasSuffix("prop") {
proptag = tnode.name
break
}
for propItemNode in propStatNode[proptag].children ?? [] {
propDic[propItemNode.name.componentsSeparatedByString(":").last!.lowercaseString] = propItemNode.value
if propItemNode.name.hasSuffix("resourcetype") && propItemNode.xmlStringCompact.containsString("collection") {
propDic["getcontenttype"] = "httpd/unix-directory"
}
}
result.append(DavResponse(href: hrefURL, hrefString: href, status: status, prop: propDic))
}
}
} catch _ {
}
return result
}
private func mapToFileObject(davResponse: DavResponse) -> WebDavFileObject {
var href = davResponse.href
if href.baseURL == nil {
href = absoluteURL(href.path ?? "")
}
let name = davResponse.prop["displayname"] ?? (davResponse.hrefString.stringByRemovingPercentEncoding! as NSString).lastPathComponent
let size = Int64(davResponse.prop["getcontentlength"] ?? "-1") ?? NSURLSessionTransferSizeUnknown
let createdDate = self.resolveDate(davResponse.prop["creationdate"] ?? "")
let modifiedDate = self.resolveDate(davResponse.prop["getlastmodified"] ?? "")
let contentType = davResponse.prop["getcontenttype"] ?? "octet/stream"
let isDirectory = contentType == "httpd/unix-directory"
let entryTag = davResponse.prop["getetag"]
return WebDavFileObject(absoluteURL: href, name: name, path: href.path ?? name, size: size, contentType: contentType, createdDate: createdDate, modifiedDate: modifiedDate, fileType: isDirectory ? .Directory : .Regular, isHidden: false, isReadOnly: false, entryTag: entryTag)
}
private func delegateNotify(operation: FileOperation, error: ErrorType?) {
dispatch_async(dispatch_get_main_queue(), {
if error == nil {
self.delegate?.fileproviderSucceed(self, operation: operation)
} else {
self.delegate?.fileproviderFailed(self, operation: operation)
}
})
}
}
// MARK: URLSession delegate
extension WebDAVFileProvider: NSURLSessionDataDelegate, NSURLSessionDownloadDelegate {
public func URLSession(session: NSURLSession, downloadTask: NSURLSessionDownloadTask, didFinishDownloadingToURL location: NSURL) {
return
}
public func URLSession(session: NSURLSession, task: NSURLSessionTask, didSendBodyData bytesSent: Int64, totalBytesSent: Int64, totalBytesExpectedToSend: Int64) {
guard let desc = task.taskDescription, let json = jsonToDictionary(desc) else {
return
}
guard let type = json["type"] as? String, let source = json["source"] as? String else {
return
}
let dest = json["dest"] as? String
let op : FileOperation
switch type {
case "Create":
op = .Create(path: source)
case "Copy":
guard let dest = dest else { return }
op = .Copy(source: source, destination: dest)
case "Move":
guard let dest = dest else { return }
op = .Move(source: source, destination: dest)
case "Modify":
op = .Modify(path: source)
case "Remove":
op = .Remove(path: source)
case "Link":
guard let dest = dest else { return }
op = .Link(link: source, target: dest)
default:
return
}
let progress = Float(totalBytesSent) / Float(totalBytesExpectedToSend)
self.delegate?.fileproviderProgress(self, operation: op, progress: progress)
}
public func URLSession(session: NSURLSession, downloadTask: NSURLSessionDownloadTask, didWriteData bytesWritten: Int64, totalBytesWritten: Int64, totalBytesExpectedToWrite: Int64) {
guard let desc = downloadTask.taskDescription, let json = jsonToDictionary(desc), let source = json["source"] as? String, dest = json["dest"] as? String else {
return
}
self.delegate?.fileproviderProgress(self, operation: .Copy(source: source, destination: dest), progress: Float(totalBytesWritten) / Float(totalBytesExpectedToWrite))
}
public func URLSession(session: NSURLSession, task: NSURLSessionTask, didReceiveChallenge challenge: NSURLAuthenticationChallenge, completionHandler: (NSURLSessionAuthChallengeDisposition, NSURLCredential?) -> Void) {
let deposition: NSURLSessionAuthChallengeDisposition = credential != nil ? .UseCredential : .PerformDefaultHandling
completionHandler(deposition, credential)
}
public func URLSession(session: NSURLSession, didReceiveChallenge challenge: NSURLAuthenticationChallenge, completionHandler: (NSURLSessionAuthChallengeDisposition, NSURLCredential?) -> Void) {
let deposition: NSURLSessionAuthChallengeDisposition = credential != nil ? .UseCredential : .PerformDefaultHandling
completionHandler(deposition, credential)
}
}
public struct FileProviderWebDavError: ErrorType, CustomStringConvertible {
public let code: FileProviderHTTPErrorCode
public let url: NSURL
public var description: String {
return code.description
}
}
public enum FileProviderHTTPErrorCode: Int {
case OK = 200
case Created = 201
case Accepted = 202
case NonAuthoritativeInformation = 203
case NoContent = 204
case ResetContent = 205
case PartialContent = 206
case MultiStatus = 207
case AlreadyReported = 208
case IMUsed = 226
case MultipleChoices = 300
case MovedPermanently = 301
case Found = 302
case SeeOther = 303
case NotModified = 304
case UseProxy = 305
case TemporaryRedirect = 307
case PermanentRedirect = 308
case BadRequest = 400
case Unauthorized = 401
case PaymentRequired = 402
case Forbidden = 403
case NotFound = 404
case MethodNotAllowed = 405
case NotAcceptable = 406
case ProxyAuthenticationRequired = 407
case RequestTimeout = 408
case Conflict = 409
case Gone = 410
case LengthRequired = 411
case PreconditionFailed = 412
case PayloadTooLarge = 413
case URITooLong = 414
case UnsupportedMediaType = 415
case RangeNotSatisfiable = 416
case ExpectationFailed = 417
case MisdirectedRequest = 421
case UnprocessableEntity = 422
case Locked = 423
case FailedDependency = 424
case UpgradeRequired = 426
case PreconditionRequired = 428
case TooManyRequests = 429
case RequestHeaderFieldsTooLarge = 431
case UnavailableForLegalReasons = 451
case InternalServerError = 500
case BadGateway = 502
case ServiceUnavailable = 503
case GatewayTimeout = 504
case HTTPVersionNotSupported = 505
case VariantlsoNegotiates = 506
case InsufficientStorage = 507
case LoopDetected = 508
case NotExtended = 510
case NetworkAuthenticationRequired = 511
public var description: String {
switch self.rawValue {
case 100: return "Continue"
case 101: return "Switching Protocols"
case 102: return "Processing"
case 200: return "OK"
case 201: return "Created"
case 202: return "Accepted"
case 203: return "Non-Authoritative Information"
case 204: return "No Content"
case 205: return "Reset Content"
case 206: return "Partial Content"
case 207: return "Multi-Status"
case 208: return "Already Reported"
case 226: return "IM Used"
case 300: return "Multiple Choices"
case 301: return "Moved Permanently"
case 302: return "Found"
case 303: return "See Other"
case 304: return "Not Modified"
case 305: return "Use Proxy"
case 307: return "Temporary Redirect"
case 308: return "Permanent Redirect"
case 400: return "Bad Request"
case 401: return "Unauthorized/Expired Session"
case 402: return "Payment Required"
case 403: return "Forbidden"
case 404: return "Not Found"
case 405: return "Method Not Allowed"
case 406: return "Not Acceptable"
case 407: return "Proxy Authentication Required"
case 408: return "Request Timeout"
case 409: return "Conflict"
case 410: return "Gone"
case 411: return "Length Required"
case 412: return "Precondition Failed"
case 413: return "Payload Too Large"
case 414: return "URI Too Long"
case 415: return "Unsupported Media Type"
case 416: return "Range Not Satisfiable"
case 417: return "Expectation Failed"
case 421: return "Misdirected Request"
case 422: return "Unprocessable Entity"
case 423: return "Locked"
case 424: return "Failed Dependency"
case 426: return "Upgrade Required"
case 428: return "Precondition Required"
case 429: return "Too Many Requests"
case 431: return "Request Header Fields Too Large"
case 451: return "Unavailable For Legal Reasons"
case 500: return "Internal Server Error"
case 501: return "Not Implemented"
case 502: return "Bad Gateway"
case 503: return "Service Unavailable"
case 504: return "Gateway Timeout"
case 505: return "HTTP Version Not Supported"
case 506: return "Variant Also Negotiates"
case 507: return "Insufficient Storage"
case 508: return "Loop Detected"
case 510: return "Not Extended"
case 511: return "Network Authentication Required"
default: return typeDescription
}
}
public var typeDescription: String {
switch self.rawValue {
case 100...199: return "Informational"
case 200...299: return "Success"
case 300...399: return "Redirection"
case 400...499: return "Client Error"
case 500...599: return "Server Error"
default: return "Server Error"
}
}
}