[seam-issues] [JBoss JIRA] (JBSEAM-4853) Change DocumentStorePhaseListener to allow downloads of IE over SSL

[Alberto Fernández (Created) (JIRA)]

Change DocumentStorePhaseListener to allow downloads of IE over SSL
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                 Key: JBSEAM-4853
                 URL: https://issues.jboss.org/browse/JBSEAM-4853
             Project: Seam 2
          Issue Type: Enhancement
          Components: Core
    Affects Versions: 2.2.2.Final
            Reporter: Alberto Fernández


If you try to download a file (tried with excel files) over ssl with IE , it fails.

Changing the DocumentStorePhaseListener and changing the headers 'Cache-Control' and 'Pragma' makes it work.

 public void sendContent(FacesContext context, String contentId) {
        try {
            DocumentData documentData = DocumentStore.instance().getDocumentData(contentId);

            if (documentData != null) {
                HttpServletResponse response = (HttpServletResponse) context.getExternalContext().getResponse();
                HttpServletRequest request = (HttpServletRequest) context.getExternalContext().getRequest();
                boolean isIE = false;
                if( request != null) {
                           String useragent = request.getHeader("User-Agent");
                           isIE = (useragent != null && useragent.indexOf("MSIE") >= 0);
                }
                response.setContentType(documentData.getDocumentType().getMimeType());
                response.setHeader("Content-Disposition", documentData.getDisposition() + "; filename=\""  + documentData.getFileName() + "\"");
                if (isIE) {
                    response.setHeader("Cache-control", "must-revalidate, post-check=0, pre-check=0");
                    response.setHeader("Pragma", null);
                }
                documentData.writeDataToStream(response.getOutputStream());
                context.responseComplete();
            }
        } catch (IOException e) {
            log.warn(e);
        }
    }

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