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- //
- // VLCHTTPUploaderViewController.m
- // VLC for iOS
- //
- // Created by Jean-Baptiste Kempf on 19/05/13.
- // Copyright (c) 2013 VideoLAN. All rights reserved.
- //
- // Refer to the COPYING file of the official project for license.
- //
- #import "VLCHTTPUploaderController.h"
- #import "VLCAppDelegate.h"
- #import "HTTPServer.h"
- #import "HTTPConnection.h"
- #import "HTTPMessage.h"
- #import "HTTPDataResponse.h"
- #import "HTTPLogging.h"
- #import "HTTPDynamicFileResponse.h"
- #import "HTTPFileResponse.h"
- #import "MultipartFormDataParser.h"
- #import "MultipartMessageHeaderField.h"
- #import <ifaddrs.h>
- #import <arpa/inet.h>
- #if TARGET_IPHONE_SIMULATOR
- NSString *const WifiInterfaceName = @"en1";
- #else
- NSString *const WifiInterfaceName = @"en0";
- #endif
- @interface VLCHTTPConnection : HTTPConnection {
- MultipartFormDataParser* _parser;
- NSFileHandle* _storeFile;
- NSMutableArray* _uploadedFiles;
- }
- @end
- @implementation VLCHTTPUploaderController
- - (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];
- }
- return self;
- }
- - (void)applicationDidBecomeActive: (NSNotification *)notification
- {
- [self changeHTTPServerState:[[NSUserDefaults standardUserDefaults] boolForKey:kVLCSettingSaveHTTPUploadServerStatus]];
- }
- - (void)applicationDidEnterBackground: (NSNotification *)notification
- {
- [self changeHTTPServerState:NO];
- }
- - (BOOL)changeHTTPServerState:(BOOL)state
- {
- if (!state) {
- [self.httpServer stop];
- return true;
- }
- // Initialize our http server
- _httpServer = [[HTTPServer alloc] init];
- [_httpServer setInterface:WifiInterfaceName];
- // Tell the server to broadcast its presence via Bonjour.
- // This allows browsers such as Safari to automatically discover our service.
- [self.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);
- [self.httpServer setDocumentRoot:docRoot];
- [self.httpServer setPort:80];
- [self.httpServer setConnectionClass:[VLCHTTPConnection class]];
- NSError *error = nil;
- if (![self.httpServer start:&error]) {
- if (error.code == 13) {
- APLog(@"Port forbidden by OS, trying another one");
- [self.httpServer setPort:8888];
- if(![self.httpServer start:&error])
- return true;
- }
- /* Address already in Use, take a random one */
- if (error.code == 48) {
- APLog(@"Port already in use, trying another one");
- [self.httpServer setPort:0];
- if(![self.httpServer start:&error])
- return true;
- }
- if (error.code != 0)
- APLog(@"Error starting HTTP Server: %@", error.localizedDescription);
- return false;
- }
- return true;
- }
- - (NSString *)currentIPAddress
- {
- NSString *address = @"";
- struct ifaddrs *interfaces = NULL;
- struct ifaddrs *temp_addr = NULL;
- int success = getifaddrs(&interfaces);
- if (!success) {
- 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:WifiInterfaceName])
- address = @(inet_ntoa(((struct sockaddr_in *)temp_addr->ifa_addr)->sin_addr));
- }
- temp_addr = temp_addr->ifa_next;
- }
- freeifaddrs(interfaces);
- return address;
- }
- @end
- /**
- * All we have to do is override appropriate methods in HTTPConnection.
- **/
- @implementation VLCHTTPConnection
- - (BOOL)supportsMethod:(NSString *)method atPath:(NSString *)path
- {
- // Add support for POST
- if ([method isEqualToString:@"POST"]) {
- if ([path isEqualToString:@"/upload.json"])
- return YES;
- }
- return [super supportsMethod:method atPath:path];
- }
- - (BOOL)expectsRequestBodyFromMethod:(NSString *)method atPath:(NSString *)path
- {
- // Inform HTTP server that we expect a body to accompany a POST request
- if ([method isEqualToString:@"POST"] && [path isEqualToString:@"/upload.json"]) {
- // here we need to make sure, boundary is set in header
- NSString* contentType = [request headerField:@"Content-Type"];
- NSUInteger paramsSeparator = [contentType rangeOfString:@";"].location;
- if (NSNotFound == paramsSeparator)
- return NO;
- if (paramsSeparator >= contentType.length - 1)
- return NO;
- NSString* type = [contentType substringToIndex:paramsSeparator];
- if (![type isEqualToString:@"multipart/form-data"]) {
- // we expect multipart/form-data content type
- return NO;
- }
- // enumerate all params in content-type, and find boundary there
- NSArray* params = [[contentType substringFromIndex:paramsSeparator + 1] componentsSeparatedByString:@";"];
- for (NSString* param in params) {
- paramsSeparator = [param rangeOfString:@"="].location;
- if ((NSNotFound == paramsSeparator) || paramsSeparator >= param.length - 1)
- continue;
- NSString* paramName = [param substringWithRange:NSMakeRange(1, paramsSeparator-1)];
- NSString* paramValue = [param substringFromIndex:paramsSeparator+1];
- if( [paramName isEqualToString: @"boundary"] )
- // let's separate the boundary from content-type, to make it more handy to handle
- [request setHeaderField:@"boundary" value:paramValue];
- }
- // check if boundary specified
- if (nil == [request headerField:@"boundary"])
- return NO;
- return YES;
- }
- return [super expectsRequestBodyFromMethod:method atPath:path];
- }
- - (NSObject<HTTPResponse> *)httpResponseForMethod:(NSString *)method URI:(NSString *)path
- {
- if ([method isEqualToString:@"POST"] && [path isEqualToString:@"/upload.json"]) {
- return [[HTTPDataResponse alloc] initWithData:[@"\"OK\"" dataUsingEncoding:NSUTF8StringEncoding]];
- }
- if ([method isEqualToString:@"GET"] && [path hasPrefix:@"/upload/"]) {
- // let download the uploaded files
- return [[HTTPFileResponse alloc] initWithFilePath: [[config documentRoot] stringByAppendingString:path] forConnection:self];
- }
- return [super httpResponseForMethod:method URI:path];
- }
- - (void)prepareForBodyWithSize:(UInt64)contentLength
- {
- // set up mime parser
- NSString* boundary = [request headerField:@"boundary"];
- _parser = [[MultipartFormDataParser alloc] initWithBoundary:boundary formEncoding:NSUTF8StringEncoding];
- _parser.delegate = self;
- _uploadedFiles = [[NSMutableArray alloc] init];
- }
- - (void)processBodyData:(NSData *)postDataChunk
- {
- // append data to the parser. It will invoke callbacks to let us handle
- // parsed data.
- [_parser appendData:postDataChunk];
- }
- //-----------------------------------------------------------------
- #pragma mark multipart form data parser delegate
- - (void)processStartOfPartWithHeader:(MultipartMessageHeader*) header
- {
- // in this sample, we are not interested in parts, other then file parts.
- // check content disposition to find out filename
- MultipartMessageHeaderField* disposition = (header.fields)[@"Content-Disposition"];
- NSString* filename = [(disposition.params)[@"filename"] lastPathComponent];
- if ((nil == filename) || [filename isEqualToString: @""]) {
- // it's either not a file part, or
- // an empty form sent. we won't handle it.
- return;
- }
- // create the path where to store the media
- NSArray *searchPaths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
- NSString* uploadDirPath = searchPaths[0];
- BOOL isDir = YES;
- if (![[NSFileManager defaultManager]fileExistsAtPath:uploadDirPath isDirectory:&isDir ]) {
- [[NSFileManager defaultManager]createDirectoryAtPath:uploadDirPath withIntermediateDirectories:YES attributes:nil error:nil];
- }
- NSString* filePath = [uploadDirPath stringByAppendingPathComponent: filename];
- if ([[NSFileManager defaultManager] fileExistsAtPath:filePath])
- _storeFile = nil;
- else {
- APLog(@"Saving file to %@", filePath);
- if (![[NSFileManager defaultManager] createDirectoryAtPath:uploadDirPath withIntermediateDirectories:true attributes:nil error:nil])
- APLog(@"Could not create directory at path: %@", filePath);
- if (![[NSFileManager defaultManager] createFileAtPath:filePath contents:nil attributes:nil])
- APLog(@"Could not create file at path: %@", filePath);
- _storeFile = [NSFileHandle fileHandleForWritingAtPath:filePath];
- [_uploadedFiles addObject: [NSString stringWithFormat:@"/upload/%@", filename]];
- [UIApplication sharedApplication].networkActivityIndicatorVisible = YES;
- [(VLCAppDelegate*)[UIApplication sharedApplication].delegate disableIdleTimer];
- }
- }
- - (void)processContent:(NSData*)data WithHeader:(MultipartMessageHeader*) header
- {
- // here we just write the output from parser to the file.
- if (_storeFile)
- [_storeFile writeData:data];
- }
- - (void)processEndOfPartWithHeader:(MultipartMessageHeader*)header
- {
- // as the file part is over, we close the file.
- [_storeFile closeFile];
- _storeFile = nil;
- [UIApplication sharedApplication].networkActivityIndicatorVisible = NO;
- [(VLCAppDelegate*)[UIApplication sharedApplication].delegate activateIdleTimer];
- /* update media library when file upload was completed */
- VLCAppDelegate* appDelegate = [UIApplication sharedApplication].delegate;
- [appDelegate updateMediaList];
- }
- @end
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