Dowload a file using HTTPS

I am trying to write some code that'll connect with an external server (via the proxy) and ownload a file using the HTTPS protocol.
All I can find is how to get a stream to such file and read it line for line.
Many thanks.

Forget the lines. Just read and write bytes.
int count;
byte[] buffer = new byte[8192]; // or more
while ((count = in.read(buffer)) > -1)
out.write(buffer, 0, count);
out.close();
in.close();

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Webservice to grab the files using HTTP

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Can any one guide me how to create a webservice to grab a file using HTTP? The scenario is that a webservice call should contact a system through HTTP to grab the file.
Please help.
Thanks,
Sunny
Edited by: Sunny1890 on Apr 2, 2009 7:00 PM

Use classes available in java.net package.

How to download video files using http urls through OSB

Hi all,
I am working on a requirement where I need to download the video using http url of that video through OSB. Is it possible to convert the video files hosted in a server into base64 code using OSB ? Kindly help me on this.
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Edited by: 887737 on Jul 25, 2012 3:26 AM

Hi,
I believe you can get the video file using file transport and then convert it into base64 using a java call out...
This may help...
https://blogs.oracle.com/ateamsoab2b/entry/an_example_of_how_to
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Thank you for the link. I have been working using that document. But the problem is that i can not trigger a break point in that code, so i can not manipulate with that data coming in.
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This works:String server="hostname";
String user="user ID";
String passwd="password";
try {
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File upload using http-post in OSB

Hi All,
I am trying to upload a file using http-post method in OSB.
I have created a business service pointing to the service url, with http method post.
and calling this business service from a proxy service.
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Please let me know how to send trhe form data and the file information.
The error given by Business Service is-
the request doesn't contain a multipart/form-data or multipart/mixed stream, content type header is text/plain
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Seemant
Edited by: Seemant Srivastava on Oct 12, 2010 12:28 PM

Hi Anuj,
A sample HTML form code for. Post HTTP service-
<html>
<head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>CSV File</title>
</head>
<body>
<form method="post" enctype="multipart/form-data" action="http://xyz/UploadFile">
<table>
<tr>
<td> Feed id </td>
<td><input type="text" name="refid" value="" size="20"></td>
</tr>
<tr>
<td> Username (optional)</td>
<td><input type="text" name="username" value="" size="20"></td>
</tr>
<tr>
<td> Password (optional)</td>
<td><input type="password" name="password" value="" size="20"></td>
</tr>
<tr><td> Select CSV File </td>
<td> <input type="file" name="upload" value="" width="30"/></td>
</tr>
<tr>
<td><input type="submit" name="Ok" value="Go"> <input type="reset" name="reset" value="Reset"> </td>
</tr>
</table>
</form>
</body>
</html>
I need to pass all these information to OSB business service.

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As titled, what is the way to record video/audio files using Flash Meida Server through rmtp, and allow users to access the recorded files through http?
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I probably have asked a stupid question.
My recorded streams are still saved in the applications/appName/streams folder.
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Post file over Http

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Hi Aamir,
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Nevermind, Http is the problem, not FTP.

Dowload file using ftp in bash script

Hi! I'm runnig a bash script in solaris i want within the script to dowload file using ftp
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Tanks a lot

hello,evgchech
please try this way:
1. In the bash script, try following command:
ftp -n < ftpcmdfile2 in the ftpcmdfile (which is a file),coding the interactive commands of FTP such as:
user anonymous [email protected]
          cd /var/sun/download
          bi
          mget *.*
          bye
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Wang Yu
Developer Technical Support
Sun Microsystems
http://sun.com/developers/support

Hi, I am using HP11 and iPlanet web server. When trying to upload files over HTTP using FORM ENCTYPE="multipart/form-data" that are bigger than a few Kilobytes i get a 408 error. (client timeout).

Hi, I am using HP11 and iPlanet web server. When trying to upload files over HTTP using FORM ENCTYPE="multipart/form-data" that are bigger than a few Kilobytes i get a 408 error. (client timeout). It is as if the server has decided that the client has timed out during the file upload. The default setting is 30 seconds for AcceptTimeout in the magnus.conf file. This should be ample to get the file across, even increasing this to 2 minutes just produces the same error after 2 minutes. Any help appreciated. Apologies if this is not the correct forum for this, I couldn't see one for iPlanet and Web, many thanks, Kieran.

Hi,
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(1)Goto Web Server Administration Server, select the server you want to manage.
(2)Select Preference >> Perfomance Tuning.
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(4) Apply changes and restart the server.
*Setting the timeout to a lower value, however, may prevent the transfer of large files as timeout does not refer to the time that the connection has been idle. For example, if you are using a 2400 baud modem, and the request timeout is set to 180 seconds, then the maximum file size that can be transferred before the connection is closed is 432000 bits (2400 multiplied by 180)
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[email protected]

Accessing BSP File Download using HTTPS URL

Hi,
I'm struggling with a problem of downloading a file from a https url. I wrote a BSP App for downloading a file from a unix server.. It works fine when I use a http URL with port 8080 and does not work when I use https.!!
Example:
https://comms.gmsanet.co.za/supplier [ download does not work ]
http://comms.gmsanet.co.za:8080/supplier [ download works ]
When I try to download using https.. it does not pull the file name and path
see code below and suggest me if anything to be chnaged.
In the Form Initialization method:
event handler fr data retrieval
DATA: i_file        type string,
      s_fields      TYPE tihttpnvp,
      s_fields_line TYPE ihttpnvp,
      multipart_form type ref to if_http_entity,
      file_upload    type xstring,
      lv_backend     type string,
      success        type string,
      entity         type ref to if_http_entity,
      file           type xstring,
      content_type   type string,
      content_filename type string,
      content_length type string,
      content_disposition type string,
      num_multiparts type i,
      i              type i value 1,
      doEcho         type string value 'X',
      value          type string,
      filename       type ZFILETAB-fileinfo,
      ext1           type string,
      ext2           type string,
      dsn            type string,
      bptype         like sy-uname,
      itab           TYPE ZFILETAB,
      itab_line      TYPE ZFILETABLINE,
      file_ext       type ZFILETABLINE,
      fileinfo       type c,
      zcount         type i.
    filename = '/NewMessge.doc'.
    content_filename = filename.
Check the extension and assign the content type
    split filename at '.' into ext1 ext2.
    case ext2.
      when 'zip'.
        content_type = 'application/x-zip-compressed'.
      when 'doc'.
        content_type = 'application/msword'.
      when 'txt'.
        content_type = 'text/plain'.
      when 'ppt' or 'pps'.
        content_type = 'application/vnd.ms-powerpoint'.
      when 'xls' or 'exe'.
        content_type = 'application/octet-stream'.
      when 'gif'.
        content_type = 'image/gif'.
      when 'jpg' or 'jpeg'.
        content_type = 'image/pjpeg'.
      when 'htm' or 'html'.
        content_type = 'text/html'.
    endcase.
    dsn = filename.
    OPEN DATASET dsn FOR INPUT IN BINARY MODE.
    IF sy-subrc NE 0.
      zmessage = 'Error opening file'.
      navigation->set_parameter( name = 'zmessage' value = zmessage ).
      navigation->goto_page( 'downloaderror.htm' ).
      exit.
    ENDIF.
    DO.
      READ DATASET dsn INTO <b>file</b>.
      EXIT.
    ENDDO.
    CLOSE DATASET dsn.
set response data to be the file content
runtime->server->response->set_data( <b>file</b> ).
runtime->server->response->set_header_field(
                                name = 'Content-Type'
                                value = content_type ).
concatenate 'attachment; filename=' filename into content_disposition.
runtime->server->response->set_header_field(
                                name = 'Content-Disposition'
                                value = content_disposition ).
set the file size in the response
content_length = xstrlen( file ).
runtime->server->response->set_header_field(
                            name = 'Content-Length'
                            value = content_length ).
runtime->server->response->delete_header_field(
                            name = 'Cache-Control' ).
runtime->server->response->delete_header_field(
                            name = 'Expires' ).
navigation->response_complete( ).
Thanks
Ajay

Hi Brian,
I have the same problem as Ajay Yeluguri. In http mode I can generate a download of an Excel document but when we use the portal in https it doesn't work.
When I try to download using https it does not pull the file name and path and when I choose download I have a error message : "Internet Explorer cannot download from ..."
I've test the point 3.2 "... including file up/download" of the BSP application IT00 and it works fine in http and https mode. My problem is not the upload but the download. And in this application the uploaded document is opened in the Internet Explorer window but I want to generate a Save as... window to download the file.
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Yann

How to use HTTPS to retrieve a set of files from a distant server?

Hi !
i am interested in some samples or links showing how is it possible to use HTTPS in a java code in a standalone application ( could be swing based or whatever) that allows an HTTPS connection to a distant server ( specefic file repository) so that downloading some data files could be possible.i am also interested to know what conditions should be available to make such connection possible ( specefic port number? specefic authentication? login? password? and does the Operating system on the distant server interfere with that ? etc...)
thanks!

in fact i tried to test a sample code by i got this exception :
Exception in thread "main" javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
     at com.sun.net.ssl.internal.ssl.Alerts.getSSLException(Alerts.java:174)
     at com.sun.net.ssl.internal.ssl.SSLSocketImpl.fatal(SSLSocketImpl.java:1591)
     at com.sun.net.ssl.internal.ssl.Handshaker.fatalSE(Handshaker.java:187)
     at com.sun.net.ssl.internal.ssl.Handshaker.fatalSE(Handshaker.java:181)
     at com.sun.net.ssl.internal.ssl.ClientHandshaker.serverCertificate(ClientHandshaker.java:975)
     at com.sun.net.ssl.internal.ssl.ClientHandshaker.processMessage(ClientHandshaker.java:123)
     at com.sun.net.ssl.internal.ssl.Handshaker.processLoop(Handshaker.java:516)
     at com.sun.net.ssl.internal.ssl.Handshaker.process_record(Handshaker.java:454)
     at com.sun.net.ssl.internal.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:884)
     at com.sun.net.ssl.internal.ssl.SSLSocketImpl.performInitialHandshake(SSLSocketImpl.java:1096)
     at com.sun.net.ssl.internal.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1123)
     at com.sun.net.ssl.internal.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1107)
     at sun.net.www.protocol.https.HttpsClient.afterConnect(HttpsClient.java:405)
     at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:166)
     at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:977)
     at sun.net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(HttpsURLConnectionImpl.java:234)
     at HTTPSConnector.main(HTTPSConnector.java:30)
Caused by: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
     at sun.security.validator.PKIXValidator.doBuild(PKIXValidator.java:285)
     at sun.security.validator.PKIXValidator.engineValidate(PKIXValidator.java:191)
     at sun.security.validator.Validator.validate(Validator.java:218)
     at com.sun.net.ssl.internal.ssl.X509TrustManagerImpl.validate(X509TrustManagerImpl.java:126)
     at com.sun.net.ssl.internal.ssl.X509TrustManagerImpl.checkServerTrusted(X509TrustManagerImpl.java:209)
     at com.sun.net.ssl.internal.ssl.X509TrustManagerImpl.checkServerTrusted(X509TrustManagerImpl.java:249)
     at com.sun.net.ssl.internal.ssl.ClientHandshaker.serverCertificate(ClientHandshaker.java:954)
     ... 12 more
Caused by: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
     at sun.security.provider.certpath.SunCertPathBuilder.engineBuild(SunCertPathBuilder.java:174)
     at java.security.cert.CertPathBuilder.build(CertPathBuilder.java:238)
     at sun.security.validator.PKIXValidator.doBuild(PKIXValidator.java:280)
     ... 18 moreand here si the sample code:
package foo;
import java.net.URL;
import java.io.*;
import javax.net.ssl.HttpsURLConnection;
public class Test
public static void main(String[] args)
throws Exception
String httpsURL = "https://your.https.url.here/";
URL myurl = new URL(httpsURL);
HttpsURLConnection con = (HttpsURLConnection)myurl.openConnection();
InputStream ins = con.getInputStream();
InputStreamReader isr=new InputStreamReader(ins);
BufferedReader in =new BufferedReader(isr);
String inputLine;
while ((inputLine = in.readLine()) != null)
System.out.println(inputLine);
in.close();
}so what this error is due to? and how to fix it ?.
thanks!

Upload http file using applet

Hello every body,
I am trying to upload the http file using applet. Can any body give me the hint or example.
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best regards

any of several libraries are out there that would let you to HTTP File Upload to a web server, assuming the web server has a servlet or other thing to accept the file.
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Hi Experts,
I have a scenario where i have to pull files from an webserver using https protocol to XI and pass it to a folder(no transformation required in the data).
Also please let me know in detail ,about the parameters of XI and the source webserver i need to have before starting the scenario.
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Dowload a file using HTTPS

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