def get_page(request, uuid, tiles_x, tiles_y, width, pagenr):
s3url = S3url(settings.MS_CLIENT ["key_id"], settings.MS_CLIENT ["key_secret"])
if not s3url.verifyUrlString(request.get_full_path()):
return HttpResponseBadRequest(_("Invalid expiring url"))
mediaprovider = MediaProvider()
try:
f = mediaprovider.getPage(Page(uuid, tiles_x, tiles_y, width, pagenr))
except KeyError:
return HttpResponseNotFound()
data = f.read() if hasattr(f, 'read') else f
return HttpResponse(data, mimetype='image/png')
def get_blob(request, uuid, filename, mime_part1="application", mime_part2= "pdf"):
mimetype="/".join((mime_part1, mime_part2))
s3url = S3url(settings.MS_CLIENT ["key_id"], settings.MS_CLIENT ["key_secret"])
if not s3url.verifyUrlString(request.get_full_path()):
return HttpResponseBadRequest(_("Invalid expiring url"))
mediaprovider = MediaProvider()
try:
f = mediaprovider.getBlob(uuid)
except KeyError:
return HttpResponseNotFound()
response = HttpResponse(f.read(), mimetype=mimetype)
response['Content-Disposition'] = 'attachment;filename=%s' % (filename)
def get_pdf(request, uuid, filename, branding=None):
mimetype = "application/pdf"
s3url = S3url(settings.MS_CLIENT ["key_id"], settings.MS_CLIENT ["key_secret"])
if not s3url.verifyUrlString(request.get_full_path()):
return HttpResponseBadRequest(_("Invalid expiring url"))
mediaprovider = MediaProvider()
f = mediaprovider.getBlob(uuid)
#fixme: brand pdf with uuid barcode, and if branding != none with branding barcode also
if f:
response = HttpResponse(f.read(), mimetype=mimetype)
response['Content-Disposition'] = 'attachment;filename=%s' % (filename)
return response
else:
return HttpResponseNotFound()
def rerender_pages(identifier=None, **kwargs):
import tempfile, shutil
from ecs.mediaserver.mediaprovider import MediaProvider
from ecs.mediaserver.renderer import render_pages
logger = rerender_pages.get_logger(**kwargs)
logger.debug("rerender_pages called with identifier %s" % identifier)
if identifier is None:
logger.warning("Warning, rerender_pages(identifier is None)")
return False, str(None), "identifier is none"
mediaprovider = MediaProvider()
try:
filelike = mediaprovider.getBlob(identifier)
except KeyError as exceptobj:
logger.error("rerender_pages could not getBlob(%s), exception was %r" % (identifier, exceptobj))
return False, str(identifier), repr(exceptobj)
try:
render_dirname = tempfile.mkdtemp()
for page, data in render_pages(identifier, filelike, render_dirname):
mediaprovider.setPage(page, data, use_render_diskcache=True)
if hasattr(data, "close"):
data.close()
except IOError as exceptobj:
logger.error("render_pages of blob %s returned an IOError: %r" % (identifier, exceptobj))
result = False, str(identifier), repr(exceptobj)
else:
result = True, str(identifier), ""
finally:
shutil.rmtree(render_dirname)
return result
