सर्वर-साइड समाधान अधिक संगत है, जब तक कि सभी ब्राउज़रों में "डाउनलोड" विशेषता लागू नहीं हो जाती।
एक पायथन उदाहरण एक फ़ाइलस्टोर के लिए एक कस्टम HTTP अनुरोध हैंडलर हो सकता है। फ़िलेस्टर को इंगित करने वाले लिंक इस तरह उत्पन्न होते हैं:
http://www.myfilestore.com/filestore/13/130787e71/download_as/desiredName.pdf
यहाँ कोड है:
class HTTPFilestoreHandler(SimpleHTTPRequestHandler):
def __init__(self, fs_path, *args):
self.fs_path = fs_path # Filestore path
SimpleHTTPRequestHandler.__init__(self, *args)
def send_head(self):
# Overwrite SimpleHTTPRequestHandler.send_head to force download name
path = self.path
get_index = (path == '/')
self.log_message("path: %s" % path)
if '/download_as/' in path:
p_parts = path.split('/download_as/')
assert len(p_parts) == 2, 'Bad download link:' + path
path, download_as = p_parts
path = self.translate_path(path )
f = None
if os.path.isdir(path):
if not self.path.endswith('/'):
# Redirect browser - doing basically what Apache does
self.send_response(301)
self.send_header("Location", self.path + "/")
self.end_headers()
return None
else:
return self.list_directory(path)
ctype = self.guess_type(path)
try:
f = open(path, 'rb')
except IOError:
self.send_error(404, "File not found")
return None
self.send_response(200)
self.send_header("Content-type", ctype)
fs = os.fstat(f.fileno())
self.send_header("Expires", '0')
self.send_header("Last-Modified", self.date_time_string(fs.st_mtime))
self.send_header("Cache-Control", 'must-revalidate, post-check=0, pre-check=0')
self.send_header("Content-Transfer-Encoding", 'binary')
if download_as:
self.send_header("Content-Disposition", 'attachment; filename="%s"' % download_as)
self.send_header("Content-Length", str(fs[6]))
self.send_header("Connection", 'close')
self.end_headers()
return f
class HTTPFilestoreServer:
def __init__(self, fs_path, server_address):
def handler(*args):
newHandler = HTTPFilestoreHandler(fs_path, *args)
newHandler.protocol_version = "HTTP/1.0"
self.server = BaseHTTPServer.HTTPServer(server_address, handler)
def serve_forever(self, *args):
self.server.serve_forever(*args)
def start_server(fs_path, ip_address, port):
server_address = (ip_address, port)
httpd = HTTPFilestoreServer(fs_path, server_address)
sa = httpd.server.socket.getsockname()
print "Serving HTTP on", sa[0], "port", sa[1], "..."
httpd.serve_forever()