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- /*****************************************************************************
- * VLCHTTPUploaderController.m
- * VLC for iOS
- *****************************************************************************
- * Copyright (c) 2013-2015 VideoLAN. All rights reserved.
- * $Id$
- *
- * Authors: Jean-Baptiste Kempf <jb # videolan.org>
- * Gleb Pinigin <gpinigin # gmail.com>
- * Felix Paul Kühne <fkuehne # videolan.org>
- * Jean-Romain Prévost <jr # 3on.fr>
- * Carola Nitz <caro # videolan.org>
- * Ron Soffer <rsoffer1 # gmail.com>
- *
- * Refer to the COPYING file of the official project for license.
- *****************************************************************************/
- #import "VLCHTTPUploaderController.h"
- #import "VLCHTTPConnection.h"
- #import "VLCActivityManager.h"
- #import "HTTPServer.h"
- #import "Reachability.h"
- #import <ifaddrs.h>
- #import <arpa/inet.h>
- #if TARGET_OS_IOS
- #import "VLC-Swift.h"
- #import "VLCMediaFileDiscoverer.h"
- #endif
- @interface VLCHTTPUploaderController()
- {
- NSString *_nameOfUsedNetworkInterface;
- HTTPServer *_httpServer;
- UIBackgroundTaskIdentifier _backgroundTaskIdentifier;
- Reachability *_reachability;
- }
- @end
- @implementation VLCHTTPUploaderController
- + (instancetype)sharedInstance
- {
- static VLCHTTPUploaderController *sharedInstance = nil;
- static dispatch_once_t pred;
- dispatch_once(&pred, ^{
- sharedInstance = [VLCHTTPUploaderController new];
- });
- return sharedInstance;
- }
- - (id)init
- {
- if (self = [super init]) {
- NSNotificationCenter *center = [NSNotificationCenter defaultCenter];
- [center addObserver:self selector:@selector(applicationDidBecomeActive:)
- name:UIApplicationDidBecomeActiveNotification object:nil];
- [center addObserver:self selector:@selector(applicationDidEnterBackground:)
- name:UIApplicationDidEnterBackgroundNotification object:nil];
- [center addObserver:self selector:@selector(netReachabilityChanged) name:kReachabilityChangedNotification object:nil];
-
- BOOL isHTTPServerOn = [[NSUserDefaults standardUserDefaults] boolForKey:kVLCSettingSaveHTTPUploadServerStatus];
- [self netReachabilityChanged];
- [self changeHTTPServerState:isHTTPServerOn];
- }
- return self;
- }
- - (void)applicationDidBecomeActive: (NSNotification *)notification
- {
- if (!_httpServer.isRunning)
- [self changeHTTPServerState:[[NSUserDefaults standardUserDefaults] boolForKey:kVLCSettingSaveHTTPUploadServerStatus]];
- if (_backgroundTaskIdentifier && _backgroundTaskIdentifier != UIBackgroundTaskInvalid) {
- [[UIApplication sharedApplication] endBackgroundTask:_backgroundTaskIdentifier];
- _backgroundTaskIdentifier = 0;
- }
- }
- - (void)applicationDidEnterBackground: (NSNotification *)notification
- {
- if (_httpServer.isRunning) {
- if (!_backgroundTaskIdentifier || _backgroundTaskIdentifier == UIBackgroundTaskInvalid) {
- dispatch_block_t expirationHandler = ^{
- [self changeHTTPServerState:NO];
- [[UIApplication sharedApplication] endBackgroundTask:self->_backgroundTaskIdentifier];
- self->_backgroundTaskIdentifier = 0;
- };
- if ([[UIApplication sharedApplication] respondsToSelector:@selector(beginBackgroundTaskWithName:expirationHandler:)]) {
- _backgroundTaskIdentifier = [[UIApplication sharedApplication] beginBackgroundTaskWithName:@"VLCUploader" expirationHandler:expirationHandler];
- } else {
- _backgroundTaskIdentifier = [[UIApplication sharedApplication] beginBackgroundTaskWithExpirationHandler:expirationHandler];
- }
- }
- }
- }
- - (NSString *)httpStatus
- {
- if (_httpServer.isRunning) {
- if (_httpServer.listeningPort != 80) {
- return [NSString stringWithFormat:@"http://%@:%i\nhttp://%@:%i",
- [self currentIPAddress],
- _httpServer.listeningPort,
- [self hostname],
- _httpServer.listeningPort];
- } else {
- return [NSString stringWithFormat:@"http://%@\nhttp://%@",
- [self currentIPAddress],
- [self hostname]];
- }
- } else {
- return NSLocalizedString(@"HTTP_UPLOAD_SERVER_OFF", nil);
- }
- }
- - (BOOL)isServerRunning
- {
- return _httpServer.isRunning;
- }
- - (void)netReachabilityChanged
- {
- // find an interface to listen on
- struct ifaddrs *listOfInterfaces = NULL;
- struct ifaddrs *anInterface = NULL;
- BOOL serverWasRunning = self.isServerRunning;
- [self changeHTTPServerState:NO];
- _nameOfUsedNetworkInterface = nil;
- int ret = getifaddrs(&listOfInterfaces);
- if (ret == 0) {
- anInterface = listOfInterfaces;
- while (anInterface != NULL) {
- if (anInterface->ifa_addr->sa_family == AF_INET) {
- APLog(@"Found interface %s, address %@", anInterface->ifa_name, @(inet_ntoa(((struct sockaddr_in *)anInterface->ifa_addr)->sin_addr)));
- /* check for primary interface first */
- if (strncmp (anInterface->ifa_name,"en0",strlen("en0")) == 0) {
- unsigned int flags = anInterface->ifa_flags;
- if( (flags & 0x1) && (flags & 0x40) && !(flags & 0x8) ) {
- _nameOfUsedNetworkInterface = [NSString stringWithUTF8String:anInterface->ifa_name];
- break;
- }
- }
- /* oh well, let's move on to the secondary interface */
- if (strncmp (anInterface->ifa_name,"en1",strlen("en1")) == 0) {
- unsigned int flags = anInterface->ifa_flags;
- if( (flags & 0x1) && (flags & 0x40) && !(flags & 0x8) ) {
- _nameOfUsedNetworkInterface = [NSString stringWithUTF8String:anInterface->ifa_name];
- break;
- }
- }
- if (strncmp (anInterface->ifa_name,"bridge100",strlen("bridge100")) == 0) {
- unsigned int flags = anInterface->ifa_flags;
- if( (flags & 0x1) && (flags & 0x40) && !(flags & 0x8) ) {
- _nameOfUsedNetworkInterface = [NSString stringWithUTF8String:anInterface->ifa_name];
- break;
- }
- }
- }
- anInterface = anInterface->ifa_next;
- }
- }
- freeifaddrs(listOfInterfaces);
- if (_nameOfUsedNetworkInterface == nil) {
- _isReachable = NO;
- [self changeHTTPServerState:NO];
- return;
- }
- _isReachable = YES;
- if (serverWasRunning) {
- [self changeHTTPServerState:YES];
- }
- }
- - (BOOL)changeHTTPServerState:(BOOL)state
- {
- if (!state) {
- [_httpServer stop];
- return true;
- }
- if (_nameOfUsedNetworkInterface == nil) {
- APLog(@"No interface to listen on, server not started");
- _isReachable = NO;
- return NO;
- }
- #if TARGET_OS_IOS
- // clean cache before accepting new stuff
- [self cleanCache];
- #endif
- // Initialize our http server
- _httpServer = [[HTTPServer alloc] init];
- [_httpServer setInterface:_nameOfUsedNetworkInterface];
- [_httpServer setIPv4Enabled:YES];
- [_httpServer setIPv6Enabled:[[[NSUserDefaults standardUserDefaults] objectForKey:kVLCSettingWiFiSharingIPv6] boolValue]];
- // Tell the server to broadcast its presence via Bonjour.
- // This allows browsers such as Safari to automatically discover our service.
- [_httpServer setType:@"_http._tcp."];
- // Serve files from the standard Sites folder
- NSString *docRoot = [[[NSBundle mainBundle] pathForResource:@"index" ofType:@"html"] stringByDeletingLastPathComponent];
- APLog(@"Setting document root: %@", docRoot);
- [_httpServer setDocumentRoot:docRoot];
- [_httpServer setPort:80];
- [_httpServer setConnectionClass:[VLCHTTPConnection class]];
- NSError *error = nil;
- if (![_httpServer start:&error]) {
- if (error.code == EACCES) {
- APLog(@"Port forbidden by OS, trying another one");
- [_httpServer setPort:8888];
- if(![_httpServer start:&error])
- return true;
- }
- /* Address already in Use, take a random one */
- if (error.code == EADDRINUSE) {
- APLog(@"Port already in use, trying another one");
- [_httpServer setPort:0];
- if(![_httpServer start:&error])
- return true;
- }
- if (error) {
- APLog(@"Error starting HTTP Server: %@", error.localizedDescription);
- [_httpServer stop];
- }
- return false;
- }
- return true;
- }
- - (NSString *)currentIPAddress
- {
- NSString *address = @"";
- struct ifaddrs *interfaces = NULL;
- struct ifaddrs *temp_addr = NULL;
- int success = getifaddrs(&interfaces);
- if (success != 0) {
- freeifaddrs(interfaces);
- return address;
- }
- temp_addr = interfaces;
- while (temp_addr != NULL) {
- if (temp_addr->ifa_addr->sa_family == AF_INET) {
- if([@(temp_addr->ifa_name) isEqualToString:_nameOfUsedNetworkInterface])
- address = @(inet_ntoa(((struct sockaddr_in *)temp_addr->ifa_addr)->sin_addr));
- }
- temp_addr = temp_addr->ifa_next;
- }
- freeifaddrs(interfaces);
- return address;
- }
- - (NSString *)hostname
- {
- char baseHostName[256];
- int success = gethostname(baseHostName, 255);
- if (success != 0)
- return nil;
- baseHostName[255] = '\0';
- #if !TARGET_IPHONE_SIMULATOR
- return [NSString stringWithFormat:@"%s.local", baseHostName];
- #else
- return [NSString stringWithFormat:@"%s", baseHostName];
- #endif
- }
- - (NSString *)hostnamePort
- {
- return [NSString stringWithFormat:@"%i", _httpServer.listeningPort];
- }
- - (void)moveFileFrom:(NSString *)filepath
- {
- /* update media library when file upload was completed */
- VLCActivityManager *activityManager = [VLCActivityManager defaultManager];
- [activityManager networkActivityStopped];
- [activityManager activateIdleTimer];
- /* on tvOS, the media remains in the cache folder and will disappear from there
- * while on iOS we have persistent storage, so move it there */
- #if TARGET_OS_IOS
- NSString *fileName = [filepath lastPathComponent];
- NSString *libraryPath = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) firstObject];
- NSString *uploadPath = [[NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES)
- firstObject] stringByAppendingPathComponent:@"Upload"];
- NSString *finalFilePath = [libraryPath
- stringByAppendingString:[filepath
- stringByReplacingOccurrencesOfString:uploadPath
- withString:@""]];
- NSFileManager *fileManager = [NSFileManager defaultManager];
- // Re-create the folder structure of the user
- if (![fileManager createDirectoryAtPath:[finalFilePath stringByDeletingLastPathComponent]
- withIntermediateDirectories:YES attributes:nil error:nil])
- APLog(@"Could not create directory at path: %@", finalFilePath);
- if ([fileManager fileExistsAtPath:finalFilePath]) {
- /* we don't want to over-write existing files, so add an integer to the file name */
- NSString *potentialFullPath;
- NSString *currentPath = [finalFilePath stringByDeletingLastPathComponent];
- NSString *fileExtension = [fileName pathExtension];
- NSString *rawFileName = [fileName stringByDeletingPathExtension];
- for (NSUInteger x = 1; x < 100; x++) {
- potentialFullPath = [currentPath stringByAppendingString:[NSString
- stringWithFormat:@"/%@-%lu.%@",
- rawFileName,
- (unsigned long)x,
- fileExtension]];
- if (![[NSFileManager defaultManager] fileExistsAtPath:potentialFullPath]) {
- finalFilePath = potentialFullPath;
- break;
- }
- }
- }
- NSError *error;
- [fileManager moveItemAtPath:filepath toPath:finalFilePath error:&error];
- if (error) {
- APLog(@"Moving received media %@ to library folder failed (%li), deleting", fileName, (long)error.code);
- [fileManager removeItemAtPath:filepath error:nil];
- }
- [[VLCMediaFileDiscoverer sharedInstance] performSelectorOnMainThread:@selector(updateMediaList) withObject:nil waitUntilDone:NO];
- // FIXME: Replace notifications by cleaner observers
- [[NSNotificationCenter defaultCenter] postNotificationName:NSNotification.VLCNewFileAddedNotification
- object:self];
- #endif
- }
- - (void)cleanCache
- {
- if ([[VLCActivityManager defaultManager] haveNetworkActivity])
- return;
- NSArray *searchPaths = NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES);
- NSString* uploadDirPath = [searchPaths[0] stringByAppendingPathComponent:@"Upload"];
- NSFileManager *fileManager = [NSFileManager defaultManager];
- if ([fileManager fileExistsAtPath:uploadDirPath])
- [fileManager removeItemAtPath:uploadDirPath error:nil];
- }
- @end
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