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@ -15,14 +15,12 @@ |
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from synapse.http.server import respond_with_json_bytes, finish_request |
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from synapse.util.stringutils import random_string |
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from synapse.api.errors import ( |
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cs_exception, SynapseError, CodeMessageException, Codes, cs_error |
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Codes, cs_error |
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) |
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from twisted.protocols.basic import FileSender |
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from twisted.web import server, resource |
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from twisted.internet import defer |
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import base64 |
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import simplejson as json |
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@ -50,64 +48,10 @@ class ContentRepoResource(resource.Resource): |
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""" |
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isLeaf = True |
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def __init__(self, hs, directory, auth, external_addr): |
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def __init__(self, hs, directory): |
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resource.Resource.__init__(self) |
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self.hs = hs |
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self.directory = directory |
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self.auth = auth |
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self.external_addr = external_addr.rstrip('/') |
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self.max_upload_size = hs.config.max_upload_size |
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if not os.path.isdir(self.directory): |
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os.mkdir(self.directory) |
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logger.info("ContentRepoResource : Created %s directory.", |
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self.directory) |
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@defer.inlineCallbacks |
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def map_request_to_name(self, request): |
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# auth the user |
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requester = yield self.auth.get_user_by_req(request) |
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# namespace all file uploads on the user |
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prefix = base64.urlsafe_b64encode( |
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requester.user.to_string() |
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).replace('=', '') |
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# use a random string for the main portion |
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main_part = random_string(24) |
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# suffix with a file extension if we can make one. This is nice to |
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# provide a hint to clients on the file information. We will also reuse |
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# this info to spit back the content type to the client. |
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suffix = "" |
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if request.requestHeaders.hasHeader("Content-Type"): |
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content_type = request.requestHeaders.getRawHeaders( |
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"Content-Type")[0] |
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suffix = "." + base64.urlsafe_b64encode(content_type) |
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if (content_type.split("/")[0].lower() in |
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["image", "video", "audio"]): |
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file_ext = content_type.split("/")[-1] |
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# be a little paranoid and only allow a-z |
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file_ext = re.sub("[^a-z]", "", file_ext) |
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suffix += "." + file_ext |
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file_name = prefix + main_part + suffix |
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file_path = os.path.join(self.directory, file_name) |
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logger.info("User %s is uploading a file to path %s", |
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request.user.user_id.to_string(), |
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file_path) |
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# keep trying to make a non-clashing file, with a sensible max attempts |
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attempts = 0 |
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while os.path.exists(file_path): |
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main_part = random_string(24) |
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file_name = prefix + main_part + suffix |
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file_path = os.path.join(self.directory, file_name) |
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attempts += 1 |
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if attempts > 25: # really? Really? |
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raise SynapseError(500, "Unable to create file.") |
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defer.returnValue(file_path) |
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def render_GET(self, request): |
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# no auth here on purpose, to allow anyone to view, even across home |
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@ -155,58 +99,6 @@ class ContentRepoResource(resource.Resource): |
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return server.NOT_DONE_YET |
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def render_POST(self, request): |
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self._async_render(request) |
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return server.NOT_DONE_YET |
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def render_OPTIONS(self, request): |
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respond_with_json_bytes(request, 200, {}, send_cors=True) |
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return server.NOT_DONE_YET |
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@defer.inlineCallbacks |
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def _async_render(self, request): |
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try: |
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# TODO: The checks here are a bit late. The content will have |
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# already been uploaded to a tmp file at this point |
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content_length = request.getHeader("Content-Length") |
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if content_length is None: |
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raise SynapseError( |
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msg="Request must specify a Content-Length", code=400 |
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) |
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if int(content_length) > self.max_upload_size: |
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raise SynapseError( |
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msg="Upload request body is too large", |
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code=413, |
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) |
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fname = yield self.map_request_to_name(request) |
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# TODO I have a suspicious feeling this is just going to block |
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with open(fname, "wb") as f: |
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f.write(request.content.read()) |
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# FIXME (erikj): These should use constants. |
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file_name = os.path.basename(fname) |
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# FIXME: we can't assume what the repo's public mounted path is |
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# ...plus self-signed SSL won't work to remote clients anyway |
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# ...and we can't assume that it's SSL anyway, as we might want to |
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# serve it via the non-SSL listener... |
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url = "%s/_matrix/content/%s" % ( |
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self.external_addr, file_name |
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) |
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respond_with_json_bytes(request, 200, |
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json.dumps({"content_token": url}), |
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send_cors=True) |
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except CodeMessageException as e: |
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logger.exception(e) |
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respond_with_json_bytes(request, e.code, |
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json.dumps(cs_exception(e))) |
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except Exception as e: |
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logger.error("Failed to store file: %s" % e) |
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respond_with_json_bytes( |
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request, |
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500, |
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json.dumps({"error": "Internal server error"}), |
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send_cors=True) |
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