BorlandTalk.com Borland discussion newsgroups   Archives   FAQ   Search   Memberlist   Usergroups   Register   Profile   Log in to check your private messages   Log in  idHTTP.Get(filename_with_spaces)          BorlandTalk.com Forum Index -> Delphi Internet Winsock View previous topic :: View next topic   Author Message dpap Guest Posted: Sun Sep 10, 2006 6:05 pm    Post subject: idHTTP.Get(filename_with_spaces) Hi, i use idHTTP component to download files (D7ent, Indy10) with the statement idHTTP.get(fileName,aStream); if the fileName includes spaces (or/and characters not in english) the downloading fails, otherwise works fine. I use this code a long time ago but i haven't this problem. I saw it after upgrading from D5 to D7 but i'm not sure because i see it even i run the older version (compiled with D5) and only from the two of three PCs i've test it any idea ? thanks in advance Back to top Guest Posted: Mon Sep 11, 2006 12:56 am    Post subject: Re: idHTTP.Get(filename_with_spaces) dpap wrote: Quote: if the fileName includes spaces (or/and characters not in english) the downloading fails, otherwise works fine. Try URL encoding ( http://www.blooberry.com/indexdot/html/topics/urlencoding.htm ) for spaces and other non-url-friendly characters. When using %20 instead of a space, the http server should convert that to a space on it's side resulting in a successful get. Back to top Guest Posted: Mon Sep 11, 2006 1:13 am    Post subject: Re: idHTTP.Get(filename_with_spaces) fafafooey (AT) gmail (DOT) com wrote: Quote: dpap wrote: if the fileName includes spaces (or/and characters not in english) the downloading fails, otherwise works fine. Try URL encoding ( http://www.blooberry.com/indexdot/html/topics/urlencoding.htm ) for spaces and other non-url-friendly characters. When using %20 instead of a space, the http server should convert that to a space on it's side resulting in a successful get. Actually on second thought, IdHTTP should encode the URL automatically. You should try and attach a IdLogDebug intercept component on the IdHTTP and see what GET string is being sent to the HTTP server. You said "characters not in english" is the the URL...that might have something to do with it but you won't know until you see the raw data. Back to top Remy Lebeau (TeamB) Guest Posted: Tue Sep 12, 2006 2:58 am    Post subject: Re: idHTTP.Get(filename_with_spaces) "dpap" <dpap (AT) softwaypro (DOT) gr> wrote in message news:45040d97$1 (AT) newsgroups (DOT) borland.com... Quote: i use idHTTP component to download files (D7ent, Indy10) with the statement idHTTP.get(fileName,aStream); if the fileName includes spaces the downloading fails, otherwise works fine. Spaces have to be encoded as '%20' before calling Get(). Quote: or characters not in english Unless you are working in .NET, or the URL is encoded using IDNA, then you cannot use Unicode-based URLs with TIdHTTP at all. Gambit Back to top dpap Guest Posted: Tue Sep 12, 2006 8:11 am    Post subject: Re: idHTTP.Get(filename_with_spaces) Remy thank you Quote: Spaces have to be encoded as '%20' before calling Get(). i' ll try it immediately Quote: or characters not in english Unless you are working in .NET, or the URL is encoded using IDNA, then you cannot use Unicode-based URLs with TIdHTTP at all. in my older version (D5/indy9) there aren't these limitations, neither with spaces nor with Greek haracters. All are working fine, certified. How can encode the URL using IDNA ? can you give me an example ? thanks again Back to top dpap Guest Posted: Tue Sep 12, 2006 1:48 pm    Post subject: Re: idHTTP.Get(filename_with_spaces) Remy Quote: Spaces have to be encoded as '%20' before calling Get(). yes it works ! Quote: Unless you are working in .NET, or the URL is encoded using IDNA, then you cannot use Unicode-based URLs with TIdHTTP at all. I was wrong. It works with Greek characters without any modification ! thanks again Back to top Remy Lebeau (TeamB) Guest Posted: Tue Sep 12, 2006 2:29 pm    Post subject: Re: idHTTP.Get(filename_with_spaces) "dpap" <dpap (AT) softwaypro (DOT) gr> wrote in message news:45065da3 (AT) newsgroups (DOT) borland.com... Quote: in my older version (D5/indy9) there aren't these limitations, neither with spaces nor with Greek haracters. TIdHTTP's input parameters work the same in Indy 10 as they did in Indy 9. Encoding spaces as '%20' is an HTTP requirement. Also, the VCL in general is Ansi-based anyway. Get() accepts an AnsiString, not a WideString, so it cannot accept Unicode-based URLs. Quote: How can encode the URL using IDNA ? IDNA is not currently implemented in Indy. You will have to implement it manually in your own code. Unfortunately, it is a complex algorithm to implement from scratch, which is why it has not been added to Indy yet. Refer to RFC 3490 for details. Gambit Back to top dpap Guest Posted: Tue Sep 12, 2006 11:52 pm    Post subject: Re: idHTTP.Get(filename_with_spaces) Quote: I was wrong. It works with Greek characters without any modification ! I'm getting crazy ! I have two PCs with the same configuration (WinXpsp2,D7ent/Indy10). Compiling the same code with the same parameters to the two PCs, on the first, i can download files with Greek characters. On the other i can't (error message 400)!!. any help please ? Back to top Guillem Guest Posted: Wed Sep 13, 2006 2:03 pm    Post subject: Re: idHTTP.Get(filename_with_spaces) dpap wrote: Quote: I was wrong. It works with Greek characters without any modification ! I'm getting crazy ! I have two PCs with the same configuration (WinXpsp2,D7ent/Indy10). Compiling the same code with the same parameters to the two PCs, on the first, i can download files with Greek characters. On the other i can't (error message 400)!!. any help please ? http error 400 means bad request. Sounds to me like the contents of the Get request are becoming corrupt in the case of the PC that fails. Try to use a packet sniffer like Ethereal to determine if this is what is happening. -- Best regards :) Guillem Vicens Meier Dep. Informatica Green Service S.A. www.clubgreenoasis.com -- Contribute to the Indy Docs project: http://docs.indyproject.org -- In order to contact me remove the -nospam Back to top dpap Guest Posted: Thu Sep 14, 2006 11:34 pm    Post subject: Re: idHTTP.Get(filename_with_spaces) Quote: http error 400 means bad request. Sounds to me like the contents of the Get request are becoming corrupt in the case of the PC that fails. No, there are corrupted contents. The server doesn't recognise the filename written in greek character set, like i had request an unexisted file. If i ask for any file with name in english (ASCII 32..127) all works fine. If i rename it (e.g. changing a single char to Greek, ASCII 128..255) i receive the error 400 Bad request. Inverting the change all works fine again. All of these at the one PC. At the other PC, any change is acceptable. The conditions of the two PCs and the Delphi code/settings are the same and the file requests are the same. Isn't this a mystery ? thanks Back to top Guillem Guest Posted: Fri Sep 15, 2006 8:11 am    Post subject: Re: idHTTP.Get(filename_with_spaces) dpap wrote: Quote: No, there are corrupted contents. The server doesn't recognise the filename written in greek character set, like i had request an unexisted file. If i ask for any file with name in english (ASCII 32..127) all works fine. If i rename it (e.g. changing a single char to Greek, ASCII 128..255) i receive the error 400 Bad request. Inverting the change all works fine again. All of these at the one PC. At the other PC, any change is acceptable. The conditions of the two PCs and the Delphi code/settings are the same and the file requests are the same. Isn't this a mystery ? thanks maybe they are working with different character sets? -- Best regards :) Guillem Vicens Meier Dep. Informatica Green Service S.A. www.clubgreenoasis.com -- Contribute to the Indy Docs project: http://docs.indyproject.org -- In order to contact me remove the -nospam Back to top dpap Guest Posted: Fri Sep 15, 2006 9:25 pm    Post subject: Re: idHTTP.Get(filename_with_spaces) Quote: maybe they are working with different character sets? no, they are configured identically because i must work in the same environment at office/home. This works for several months. I try to download the same filename with IE. The same behavior. With latin characters the downloading goes fine, with greek characters (even one) fails (404 Not Found, The requested document was not found on this server). The web server is a Apache server and must hasn't interference because the problem exists only at my home PCs, one desktop, one lahptop and a virural/VMWare PC all sharing the same ADSL connection with different ops (WinXppro,WinXphome,Win98). I suppose, all these mean that isn't a problem of my application or any delphi/indy interference or web server nor even windows, but something with ISP. At my office, i have another ISP provider and no problem. Is it possible to be some ISP's configuration changes that cause the problem? thanks Back to top Guillem Guest Posted: Mon Sep 18, 2006 3:24 pm    Post subject: Re: idHTTP.Get(filename_with_spaces) dpap wrote: Quote: Is it possible to be some ISP's configuration changes that cause the problem? it could be if they haven't configured the server to accept greek characters or something got misconfigured/corrupted but this is something only they can answer. I would try to use a packet sniffer both at home and at the work and check if there is any (subtle or not) difference. If not you can always ask technical help to your ISP for home and send them the sniffer logs... Sorry I couldn't be of more help. Good luck -- Best regards :) Guillem Vicens Meier Dep. Informatica Green Service S.A. www.clubgreenoasis.com -- Contribute to the Indy Docs project: http://docs.indyproject.org -- In order to contact me remove the -nospam Back to top dpap Guest Posted: Wed Sep 20, 2006 8:11 am    Post subject: Re: idHTTP.Get(filename_with_spaces) Quote: it could be if they haven't configured the server to accept greek characters or something got misconfigured/corrupted but this is something only they can answer. many thanks for your help. 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