Upload things to a FTP in Objective-C iOS

Question

Some days ago I was asking how to download files from a FTP and I solver my problem with NSData and dataWithContentsOfURL of this kind:

ftp://user:pass@server/path/of/file.extension

But now I need to upload a file, and I was wondering if there is any instruction to upload files through an URL but I think it could not be possible and many many libraries I saw for iOS use PHP and I don't want it, and SimpleFTPSample from Apple is so confusing for junior developers that I could not understand nothing, so a simple code to upload a file specifying URL, Path, File, user and pass?

I sincerely hope you are using *some kind* of on-the-wire encryption. That URL would normally cause the username/password to be sent in the clear and be easily sniffable. FTP is generally a security nightmare. — bbum, Jan 23 '13 at 16:01

Ben Coffman · Accepted Answer · 2013-01-24T00:58:37.260

5

If you would like an easy library I would recommend using HTTP and the AFNetworking library.

However if you want to do FTP, Apple provides step by step instructions. It is a bit hairy, so I recommend just copy and pasting and tweaking as necessary. You will have to read the docs a tiny bit. Look for the "Uploading a File" section.

http://developer.apple.com/library/ios/#documentation/Networking/Conceptual/CFNetwork/CFFTPTasks/CFFTPTasks.html

This should help with the initial part that apple does not provide the code for

CFStringRef url = CFSTR("ftp://ftp.somedomain.com/file.txt");
CFURLRef requestURL = CFURLCreateWithString(kCFAllocatorDefault, url, NULL);

CFReadStreamRef readStream = CFReadStreamCreateWithFTPURL(kCFAllocatorDefault, requestURL);

Hope this helps.

edited Jan 24 '13 at 00:58

answered Jan 23 '13 at 16:33

Ben Coffman

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With CFSTR cannot make a dynamic string, right? I cannot `CFSTR(path)` just with literal strings? – Alejandro L. Jan 24 '13 at 10:19
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CFString is “toll-free bridged” with its Cocoa Foundation counterpart, NSString...which means you can create the string dynamically with NSString (assuming you are more familiar with it) and then assign it like so: CFStringRef url = (__bridge CFStringRef)(SOME_NSString) – Ben Coffman Jan 24 '13 at 12:40

score 5 · Answer 2 · answered Jan 23 '13 at 16:39

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Take a look at Apple Simple FTP Sample. All you need is there.

If you are looking for a Framework have a look at the ConnectionKit project.

answered Jan 23 '13 at 16:39

miho

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I know buy my question is for other alternative :( – Alejandro L. Jan 24 '13 at 09:03

score 3 · Answer 3 · answered Jan 23 '13 at 17:19

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BlackRaccoon is a good, free, open source library for doing FTP transfers.

answered Jan 23 '13 at 17:19

rmaddy

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I had a poke around — as the author doesn't state it — this is a wrapper around CFNetwork's FTP functionality – Mike Abdullah Jan 27 '13 at 21:51

Upload things to a FTP in Objective-C iOS

3 Answers3

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