PLEASE expand upon #3. Where *exactly* should this separately loaded cross domain file be, what *exactly* should it contain, how and when *exactly* should it be loaded? Please post an example here (and not possibly breakable link to Cynergy), ok? You will be doing a lot of people a HUGE favor!
--- In [email protected], "Theodore E Patrick" <[EMAIL PROTECTED]> wrote: > > Just to add to Carson's post: > > There is a HTTP header corruption bug in Flash Player 8 Release and > 8.5.0.133 players that will cause Upload and Download functionality to be > limited. This bug has been fixed within 8.5.0.175 player. > > Here is what doesn't work seamlessly: > > 1. HTTP AUTH - Authorization Headers will corrupt data exchange. If you > upload to an application running within an authorized HTTP session, in some > browsers the upload will fail. I have seen this occur in Safari(OSX) and > FireFox(Win32). > > 2. POST Parameters will corrupt data exchange on an Upload request. This is > specific to FireFox(Win32) when additional HTTP POST parameters are added > into a request. I have seen this occur in Safari(OSX) and FireFox(Win32). > > 3. HTTPS/SSL usage with FileReference requires a separate loading of a > crossdomain policy file for use within the same domain. > > The FileReference functionality in FireFox(Win32) does not use the FireFox > browser to exchange data, instead it uses native Win32 networking. I believe > that many of the errors in Firefox are a result of upload and download > requests traveling through win32 networking. When using Authorization > headers, you will see the Internet Explorer Authorization Security Dialog > appear in addition to the Firefox Authorization Security Dialog. The problem > is that authorization headers are not shared between Firefox and Win32 > Networking. Although you may have Auth session headers in Firefox, when you > use upload/download, the header data is lost. > > Ideally I have found that it is best to use very simple upload logic for > compatibility. I typically use URLRewriting to add parameters into the > upload url path without the use of GET/POST parameters. I upload to a > separate HTTP/HTTPS subdomain and pass a unique token within the upload > request url like so: > > http://upload.myserver.com/upload/29879827342342342 > > The upload application saves the upload file data if the token exists and > expires the token when an upload occurs or within 10 minutes. This > methodology seems to work compatibly for all existing browsers and can be > adapted to any security model. > > On the download requests URLRewriting is also very handy. To make sure the > filename is returned consistently, I append the name into a URLRewritten > request like so: > > http://upload.myserver.com/upload/2020938409987234/myFile.pdf > > In this case, 2020938409987234 is used to obtain a file but the name makes > sure that the user will always be presented with 'myFile.pdf' within the > FileReference SaveAs Dialog. I have seen several cases where the > defaultFileName argument on the download method will fail when POST or GET > Parameters are in use. If you call download with the above URL, the name > will be myFile.pdf consistently. > > Please understand that these solutions are not ideal but they work well and > I have yet to find a case that could not be adapted into an application. > > My 2 Cents, > > Ted Patrick > Cynergy Systems, Inc. > http://www.cynergysystems.com > > > > > -----Original Message----- > > From: [email protected] [mailto:[EMAIL PROTECTED] On > > Behalf Of Carson Hager > > Sent: Wednesday, January 11, 2006 7:47 PM > > To: [email protected] > > Subject: RE: [flexcoders] FileReference Download > > > > You cannot. In my opinion, this functionality is seriously limited in > > this regard. You also can't add anything to the multipartrequest form > > for uploads. You have to append to the URL. Your best bet is to use an > > httpservice or webservice that preallocates the row in the database > > returning the key to your Flex app. You can then use that key in the URL > > of your upload to tell your server script what row to place the data in. > > > > > > Carson > > > > > > ____________________________________________ > > > > Carson Hager > > Cynergy Systems, Inc. > > http://www.cynergysystems.com > > > > Email: [EMAIL PROTECTED] > > Office: 866-CYNERGY > > Mobile: 1.703.489.6466 > > > > > > > > -----Original Message----- > > From: [email protected] [mailto:[EMAIL PROTECTED] On > > Behalf Of [EMAIL PROTECTED] > > Sent: Wednesday, January 11, 2006 6:33 AM > > To: [email protected] > > Subject: RE: [flexcoders] FileReference Download > > > > We want to use this functionality to save a document in the server > > along > > with some indexing information. Using the Flash sample we were able to > > do > > that using a ColdFusion page. However, we need to get back a id assigned > > at > > the time we indexed the uploaded document. How can we send this back to > > Flex, if the ColdFusion page is being called by the FileReferece.upload > > method which only returns true or false? > > > > > > > > > > |---------+---------------------------------> > > | | | > > | | "Carson Hager" | > > | | <[EMAIL PROTECTED]| > > | | m> | > > | | Sent by: | > > | | [email protected] | > > | | 01/06/2006 04:09 PM | > > | | Please respond to flexcoders | > > | | | > > |---------+---------------------------------> > > > > >----------------------------------------------------------------------- > > ------------------------------------------------------| > > | > > | > > | To: [email protected] > > | > > | cc: > > | > > | Subject: RE: [flexcoders] FileReference Download > > | > > > > >----------------------------------------------------------------------- > > ------------------------------------------------------| > > > > > > > > > > Just provide a URL that calls a JSP?Servlet that streams the file back. > > That's how we've done it. > > > > > > Carson > > > > > > ____________________________________________ > > > > Carson Hager > > Cynergy Systems, Inc. > > http://www.cynergysystems.com > > > > Email: [EMAIL PROTECTED] > > Office: 866-CYNERGY > > Mobile: 1.703.489.6466 > > > > > > > > -----Original Message----- > > From: [email protected] [mailto:[EMAIL PROTECTED] On > > Behalf Of j_sports > > Sent: Friday, January 06, 2006 12:48 PM > > To: [email protected] > > Subject: [flexcoders] FileReference Download > > > > I am trying to utilize the Flash 8 FileIO.swf available for use within > > Flex 1.5. I can successfully download a file from a remote url where > > a file is being stored on disk, but I wish to load a file being stored > > as a blob in the database. It seems silly to extract the file from > > the database, write it temperarily to disk and then initiate the flash > > download. Is there a way to make the file available for download > > without first writing it to the servers file system? I would be using > > java for any backend work required and am currently using a servlet > > with the apache commons fileUpload 1.1 jar to do file uploads. > > > > The flash 8 documentation indicates that the download signature is as > > follows: > > > > public download(url:String, [defaultFileName:String]) : Boolean > > > > Which leads me to believe there is no alternative. > > > > > > > > > > > > > > -- > > Flexcoders Mailing List > > FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt > > Search Archives: > > http://www.mail-archive.com/flexcoders%40yahoogroups.com > > Yahoo! Groups Links > > > > > > > > > > > > > > > > > > > > -- > > Flexcoders Mailing List > > FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt > > Search Archives: > > http://www.mail-archive.com/flexcoders%40yahoogroups.com > > Yahoo! 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Groups Links > > > > > > > > > > > > > > > > > > > > -- > > Flexcoders Mailing List > > FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt > > Search Archives: http://www.mail-archive.com/flexcoders%40yahoogroups.com > > Yahoo! Groups Links > > > > > > > > > > > > > > -- > > No virus found in this incoming message. > > Checked by AVG Free Edition. > > Version: 7.1.371 / Virus Database: 267.14.17/226 - Release Date: 1/10/2006 > > > > -- > No virus found in this outgoing message. > Checked by AVG Free Edition. > Version: 7.1.371 / Virus Database: 267.14.17/226 - Release Date: 1/10/2006 > -- Flexcoders Mailing List FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt Search Archives: http://www.mail-archive.com/flexcoders%40yahoogroups.com Yahoo! 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