示例#1
0
    def post(self, lang):
        """
        Upload a custom language file
        """
        uploaded_file = self.get_file_upload()
        if uploaded_file is None:
            self.set_status(201)
            self.finish()
            return

        path = self.custom_langfile_path(lang)
        directory_traversal_check(GLSettings.static_path_l10n, path)

        try:
            dumped_file = yield threads.deferToThread(dump_static_file,
                                                      uploaded_file, path)
        except OSError as excpd:
            log.err("OSError while create a new custom lang file [%s]: %s" %
                    (path, excpd))
            raise errors.InternalServerError(excpd.strerror)
        except Exception as excpd:
            log.err("Unexpected exception: %s" % excpd)
            raise errors.InternalServerError(excpd)

        log.debug("Admin uploaded new lang file: %s" % dumped_file['filename'])

        self.set_status(201)  # Created
        self.finish()
    def post(self, lang):
        """
        Upload a custom language file
        """
        start_time = time.time()

        uploaded_file = self.get_uploaded_file()

        path = self.custom_langfile_path(lang)
        directory_traversal_check(GLSetting.static_path_l10n, path)

        try:
            dumped_file = yield threads.deferToThread(dump_static_file, uploaded_file, path)
        except OSError as excpd:
            log.err("OSError while create a new custom lang file [%s]: %s" % (path, excpd))
            raise errors.InternalServerError(excpd.strerror)
        except Exception as excpd:
            log.err("Unexpected exception: %s" % excpd)
            raise errors.InternalServerError(excpd)

        dumped_file["elapsed_time"] = time.time() - start_time

        log.debug("Admin uploaded new lang file: %s" % dumped_file["filename"])

        self.set_status(201)  # Created
        self.finish(dumped_file)
示例#3
0
    def post(self):
        """
        Request: Unknown
        Response: Unknown
        Errors: ModelNotFound
        """
        itip_id = yield get_itip_id_by_wbtip_id(self.current_user.user_id)

        uploaded_file = self.get_file_upload()
        if uploaded_file is None:
            return

        uploaded_file['body'].avoid_delete()
        uploaded_file['body'].close()

        # First: dump the file in the filesystem
        dst = os.path.join(GLSettings.submission_path,
                           os.path.basename(uploaded_file['path']))

        directory_traversal_check(GLSettings.submission_path, dst)

        uploaded_file = yield threads.deferToThread(write_upload_encrypted_to_disk, uploaded_file, dst)

        uploaded_file['date'] = datetime_now()
        uploaded_file['submission'] = False

        # Second: register the file in the database
        yield register_ifile_on_db(uploaded_file, itip_id)
示例#4
0
    def post(self, token_id):
        """
        Parameter: internaltip_id
        Request: Unknown
        Response: Unknown
        Errors: TokenFailure
        """
        token = TokenList.get(token_id)

        log.debug("file upload with token associated: %s" % token)

        uploaded_file = self.get_file_upload()
        if uploaded_file is None:
            return

        uploaded_file['body'].avoid_delete()
        uploaded_file['body'].close()

        try:
            dst = os.path.join(GLSettings.submission_path,
                               os.path.basename(uploaded_file['path']))

            directory_traversal_check(GLSettings.submission_path, dst)

            uploaded_file = yield threads.deferToThread(write_upload_encrypted_to_disk, uploaded_file, dst)
            uploaded_file['date'] = datetime_now()
            uploaded_file['submission'] = True

            token.associate_file(uploaded_file)

        except Exception as excep:
            log.err("Unable to save file in filesystem: %s" % excep)
            raise errors.InternalServerError("Unable to accept files")

        self.set_status(201)  # Created
示例#5
0
    def post(self, lang):
        """
        Upload a custom language file
        """
        uploaded_file = self.get_file_upload()
        if uploaded_file is None:
            self.set_status(201)
            self.finish()
            return

        path = self.custom_langfile_path(lang)
        directory_traversal_check(GLSettings.static_path_l10n, path)

        try:
            dumped_file = yield threads.deferToThread(dump_static_file, uploaded_file, path)
        except OSError as excpd:
            log.err("OSError while create a new custom lang file [%s]: %s" % (path, excpd))
            raise errors.InternalServerError(excpd.strerror)
        except Exception as excpd:
            log.err("Unexpected exception: %s" % excpd)
            raise errors.InternalServerError(excpd)

        log.debug("Admin uploaded new lang file: %s" % dumped_file['filename'])

        self.set_status(201)  # Created
        self.finish(dumped_file)
示例#6
0
    def post(self, token_id):
        """
        Parameter: internaltip_id
        Request: Unknown
        Response: Unknown
        Errors: TokenFailure
        """
        token = TokenList.get(token_id)

        log.debug("file upload with token associated: %s" % token)

        uploaded_file = self.get_file_upload()
        if uploaded_file is None:
            return

        uploaded_file['body'].avoid_delete()
        uploaded_file['body'].close()

        dst = os.path.join(GLSettings.submission_path,
                           os.path.basename(uploaded_file['path']))

        directory_traversal_check(GLSettings.submission_path, dst)

        uploaded_file = yield threads.deferToThread(write_upload_encrypted_to_disk, uploaded_file, dst)
        uploaded_file['date'] = datetime_now()
        uploaded_file['submission'] = True

        token.associate_file(uploaded_file)
示例#7
0
    def get(self, path):
        if not path:
            path = 'index.html'

        abspath = os.path.abspath(os.path.join(self.root, path))

        directory_traversal_check(self.root, abspath)

        return self.write_file(abspath)
示例#8
0
    def get(self, path):
        if path == '':
            path = 'index.html'

        abspath = os.path.abspath(os.path.join(self.root, path))

        directory_traversal_check(self.root, abspath)

        self.write_file(abspath)
示例#9
0
文件: css.py 项目: nsfw/GlobaLeaks
    def get(self):
        self.set_header("Content-Type", 'text/css')

        original_css = os.path.join(GLSettings.glclient_path, self.original_css_filename)
        custom_css = os.path.join(GLSettings.static_path, 'custom_stylesheet.css')

        directory_traversal_check(GLSettings.glclient_path, original_css)
        directory_traversal_check(GLSettings.static_path, custom_css)

        self.write_file(original_css)
        self.write_file(custom_css)
示例#10
0
文件: css.py 项目: br1n0/GlobaLeaks
    def get(self):
        self.set_header("Content-Type", 'text/css')

        original_css = os.path.join(GLSettings.client_path, self.original_css_filename)
        custom_css = os.path.join(GLSettings.static_path, 'custom_stylesheet.css')

        directory_traversal_check(GLSettings.client_path, original_css)
        directory_traversal_check(GLSettings.static_path, custom_css)

        self.write_file(original_css)
        self.write_file(custom_css)
示例#11
0
    def delete(self, filename):
        """
        Parameter: filename
        Errors: StaticFileNotFound
        """
        path = os.path.join(GLSettings.static_path, filename)
        directory_traversal_check(GLSettings.static_path, path)
        if not os.path.exists(path):
            raise errors.StaticFileNotFound

        os.remove(path)
示例#12
0
    def delete(self, filename):
        """
        Parameter: filename
        Errors: StaticFileNotFound
        """
        path = os.path.join(Settings.static_path, filename)
        directory_traversal_check(Settings.static_path, path)
        if not os.path.exists(path):
            raise errors.StaticFileNotFound

        os.remove(path)
示例#13
0
def get_l10n(store, lang):
    path = langfile_path(lang)
    directory_traversal_check(Settings.client_path, path)

    texts = read_json_file(path)

    custom_texts = store.find(models.CustomTexts, models.CustomTexts.lang == lang).one()
    custom_texts = custom_texts.texts if custom_texts is not None else {}

    texts.update(custom_texts)

    return texts
示例#14
0
    def delete(self, lang):
        """
        Parameter: filename
        Errors: LangFileNotFound
        """
        path = self.custom_langfile_path(lang)
        directory_traversal_check(GLSettings.static_path_l10n, path)

        if not os.path.exists(path):
            raise errors.LangFileNotFound

        os.remove(path)
示例#15
0
    def get(self, lang):
        self.set_header('Content-Type', 'application/json')

        path = self.custom_langfile_path(lang)
        directory_traversal_check(GLSettings.static_path_l10n, path)
        self.root = GLSettings.static_path_l10n

        if not os.path.exists(path):
            path = self.langfile_path(lang)
            directory_traversal_check(GLSettings.glclient_path, path)
            self.root = os.path.abspath(os.path.join(GLSettings.glclient_path, 'l10n'))

        BaseStaticFileHandler.get(self, path)
示例#16
0
def get_l10n(store, lang):
    path = langfile_path(lang)
    directory_traversal_check(GLSettings.client_path, path)

    with open(path, 'rb') as f:
        texts = json.loads(f.read())

    custom_texts = store.find(models.CustomTexts, models.CustomTexts.lang == unicode(lang)).one()
    custom_texts = custom_texts.texts if custom_texts is not None else {}

    texts.update(custom_texts)

    return texts
示例#17
0
    def get(self, lang):
        self.set_header('Content-Type', 'application/json')

        path = self.custom_langfile_path(lang)
        directory_traversal_check(GLSettings.static_path_l10n, path)
        self.root = GLSettings.static_path_l10n

        if not os.path.exists(path):
            path = self.langfile_path(lang)
            directory_traversal_check(GLSettings.glclient_path, path)
            self.root = os.path.abspath(
                os.path.join(GLSettings.glclient_path, 'l10n'))

        BaseStaticFileHandler.get(self, path)
示例#18
0
    def delete(self, lang):
        """
        Parameter: filename
        Errors: LangFileNotFound
        """
        path = self.custom_langfile_path(lang)
        directory_traversal_check(GLSettings.static_path_l10n, path)

        if not os.path.exists(path):
            raise errors.LangFileNotFound

        os.remove(path)

        self.set_status(200)
        self.finish()
    def get(self, lang):
        self.set_header("Content-Type", "application/json")

        path = self.custom_langfile_path(lang)
        directory_traversal_check(GLSetting.static_path_l10n, path)

        if os.path.exists(path):
            StaticFileHandler.get(self, path, True)
        else:
            path = self.langfile_path(lang)
            directory_traversal_check(GLSetting.glclient_path, path)

            # to reuse use the StaticFile handler we need to change the root path
            self.root = os.path.abspath(os.path.join(GLSetting.glclient_path, "l10n"))

            StaticFileHandler.get(self, path, True)
示例#20
0
文件: base.py 项目: Taipo/GlobaLeaks
    def get(self, path):
        if path == '':
            path = 'index.html'

        abspath = os.path.abspath(os.path.join(self.root, path))

        directory_traversal_check(self.root, abspath)

        if not os.path.exists(abspath) or not os.path.isfile(abspath):
            raise HTTPError(404)

        mime_type, encoding = mimetypes.guess_type(abspath)
        if mime_type:
            self.set_header("Content-Type", mime_type)

        self.write_file(abspath)
示例#21
0
    def get(self, path):
        if path == '':
            path = 'index.html'

        abspath = os.path.abspath(os.path.join(self.root, path))

        directory_traversal_check(self.root, abspath)

        if not os.path.exists(abspath) or not os.path.isfile(abspath):
            raise HTTPError(404)

        mime_type, encoding = mimetypes.guess_type(abspath)
        if mime_type:
            self.set_header("Content-Type", mime_type)

        yield self.write_file(abspath)
示例#22
0
    def get(self, lang):
        self.set_header('Content-Type', 'application/json')

        path = self.custom_langfile_path(lang)
        directory_traversal_check(GLSetting.static_path_l10n, path)

        if os.path.exists(path):
            StaticFileHandler.get(self, path, True)
        else:
            path = self.langfile_path(lang)
            directory_traversal_check(GLSetting.glclient_path, path)

            # to reuse use the StaticFile handler we need to change the root path
            self.root = os.path.abspath(os.path.join(GLSetting.glclient_path, 'l10n'))

            StaticFileHandler.get(self, path, True)
示例#23
0
    def delete(self, filename):
        """
        Parameter: filename
        Errors: StaticFileNotFound
        """
        path = os.path.join(GLSetting.static_path, filename)
        directory_traversal_check(GLSetting.static_path, path)

        if not os.path.exists(path):
            raise errors.StaticFileNotFound

        # XXX if a reserved filename is requested, need to be handled in
        # a safe way: eg, if is a receiver, restore the default image.
        os.remove(path)

        self.set_status(200)
        self.finish()
示例#24
0
    def post(self, filename):
        """
        Upload a new file
        """
        uploaded_file = self.get_file_upload()
        if uploaded_file is None:
            return

        if filename == 'upload':
            filename = uploaded_file['name']

        path = os.path.join(Settings.static_path, filename)
        directory_traversal_check(Settings.static_path, path)

        d = threads.deferToThread(write_upload_plaintext_to_disk, uploaded_file, path)
        d.addBoth(lambda ignore: uploaded_file['body'].close)
        return d
示例#25
0
    def delete(self, filename):
        """
        Parameter: filename
        Errors: StaticFileNotFound
        """
        path = os.path.join(GLSetting.static_path, filename)
        directory_traversal_check(GLSetting.static_path, path)

        if not os.path.exists(path):
            raise errors.StaticFileNotFound

        # XXX if a reserved filename is requested, need to be handled in
        # a safe way: eg, if is a receiver, restore the default image.
        os.remove(path)

        self.set_status(200)
        self.finish()
示例#26
0
    def post(self, filename):
        """
        Upload a new file
        """
        uploaded_file = self.get_file_upload()
        if uploaded_file is None:
            self.set_status(201)
            return

        if filename == 'upload':
            filename = uploaded_file['name']

        path = os.path.join(GLSettings.static_path, filename)
        directory_traversal_check(GLSettings.static_path, path)

        try:
            yield threads.deferToThread(write_upload_plaintext_to_disk, uploaded_file, path)
        finally:
            uploaded_file['body'].close()

        self.set_status(201)
示例#27
0
    def post(self):
        """
        Request: Unknown
        Response: Unknown
        Errors: TipIdNotFound
        """
        itip_id = yield get_itip_id_by_wbtip_id(self.current_user.user_id)

        uploaded_file = self.get_file_upload()
        if uploaded_file is None:
            return

        uploaded_file['body'].avoid_delete()
        uploaded_file['body'].close()

        try:
            # First: dump the file in the filesystem
            dst = os.path.join(GLSettings.submission_path,
                               os.path.basename(uploaded_file['path']))

            directory_traversal_check(GLSettings.submission_path, dst)

            uploaded_file = yield threads.deferToThread(
                write_upload_encrypted_to_disk, uploaded_file, dst)
        except Exception as excep:
            log.err("Unable to save a file in filesystem: %s" % excep)
            raise errors.InternalServerError("Unable to accept new files")

        uploaded_file['date'] = datetime_now()
        uploaded_file['submission'] = False

        try:
            # Second: register the file in the database
            yield register_ifile_on_db(uploaded_file, itip_id)
        except Exception as excep:
            log.err("Unable to register (append) file in DB: %s" % excep)
            raise errors.InternalServerError("Unable to accept new files")

        self.set_status(201)  # Created
示例#28
0
    def post(self, tip_id, rfile_id):

        rfile = yield download_file(self.current_user.user_id, tip_id,
                                    rfile_id)

        # keys:  'file_path'  'size' : 'content_type' 'file_name'

        self.set_status(200)

        self.set_header('X-Download-Options', 'noopen')
        self.set_header('Content-Type', 'application/octet-stream')
        self.set_header('Content-Length', rfile['size'])
        self.set_header('Content-Disposition',
                        'attachment; filename=\"%s\"' % rfile['name'])

        filelocation = os.path.join(GLSetting.submission_path, rfile['path'])

        directory_traversal_check(GLSetting.submission_path, filelocation)

        self.write_file(filelocation)

        self.finish()
示例#29
0
    def post(self, filename):
        """
        Upload a new file
        """
        uploaded_file = self.get_file_upload()
        if uploaded_file is None:
            self.set_status(201)
            return

        if filename == 'upload':
            filename = uploaded_file['name']

        path = os.path.join(GLSettings.static_path, filename)
        directory_traversal_check(GLSettings.static_path, path)

        try:
            yield threads.deferToThread(write_upload_plaintext_to_disk,
                                        uploaded_file, path)
        finally:
            uploaded_file['body'].close()

        self.set_status(201)
示例#30
0
    def post(self, filename):
        """
        Upload a new file
        """
        uploaded_file = self.get_file_upload()
        if uploaded_file is None:
            self.set_status(201)
            return

        if filename == 'upload':
            filename = uploaded_file['filename']

        path = os.path.join(GLSettings.static_path, filename)
        directory_traversal_check(GLSettings.static_path, path)

        try:
            dumped_file = yield threads.deferToThread(dump_static_file, uploaded_file, path)
        finally:
            uploaded_file['body'].close()

        log.debug('Admin uploaded new static file: %s' % dumped_file['filename'])
        self.set_status(201)
示例#31
0
    def post(self):
        """
        Request: Unknown
        Response: Unknown
        Errors: TipIdNotFound
        """
        itip_id = yield get_itip_id_by_wbtip_id(self.current_user.user_id)

        uploaded_file = self.get_file_upload()
        if uploaded_file is None:
            return

        uploaded_file['body'].avoid_delete()
        uploaded_file['body'].close()

        try:
            # First: dump the file in the filesystem
            dst = os.path.join(GLSettings.submission_path,
                               os.path.basename(uploaded_file['path']))

            directory_traversal_check(GLSettings.submission_path, dst)

            uploaded_file = yield threads.deferToThread(write_upload_encrypted_to_disk, uploaded_file, dst)
        except Exception as excep:
            log.err("Unable to save a file in filesystem: %s" % excep)
            raise errors.InternalServerError("Unable to accept new files")

        uploaded_file['date'] = datetime_now()
        uploaded_file['submission'] = False

        try:
            # Second: register the file in the database
            yield register_ifile_on_db(uploaded_file, itip_id)
        except Exception as excep:
            log.err("Unable to register (append) file in DB: %s" % excep)
            raise errors.InternalServerError("Unable to accept new files")

        self.set_status(201)  # Created
示例#32
0
    def post(self, filename):
        """
        Upload a new file
        """
        uploaded_file = self.get_file_upload()
        if uploaded_file is None:
            self.set_status(201)
            return

        if filename == 'upload':
            filename = uploaded_file['filename']

        path = os.path.join(GLSettings.static_path, filename)
        directory_traversal_check(GLSettings.static_path, path)

        try:
            dumped_file = yield threads.deferToThread(dump_static_file, uploaded_file, path)
        except Exception as excpd:
            log.err('Error while creating static file %s: %s' % (path, excpd))
            raise errors.InternalServerError(excpd.message)

        log.debug('Admin uploaded new static file: %s' % dumped_file['filename'])
        self.set_status(201)
示例#33
0
    def post(self, token_id):
        """
        Parameter: internaltip_id
        Request: Unknown
        Response: Unknown
        Errors: TokenFailure
        """
        token = TokenList.get(token_id)

        log.debug("file upload with token associated: %s" % token)

        uploaded_file = self.get_file_upload()
        if uploaded_file is None:
            return

        uploaded_file['body'].avoid_delete()
        uploaded_file['body'].close()

        try:
            dst = os.path.join(GLSettings.submission_path,
                               os.path.basename(uploaded_file['path']))

            directory_traversal_check(GLSettings.submission_path, dst)

            uploaded_file = yield threads.deferToThread(
                write_upload_encrypted_to_disk, uploaded_file, dst)
            uploaded_file['date'] = datetime_now()
            uploaded_file['submission'] = True

            token.associate_file(uploaded_file)

        except Exception as excep:
            log.err("Unable to save file in filesystem: %s" % excep)
            raise errors.InternalServerError("Unable to accept files")

        self.set_status(201)  # Created
示例#34
0
 def test_directory_traversal_check_allowed(self):
     valid_access = os.path.join(GLSettings.static_path, "valid.txt")
     directory_traversal_check(GLSettings.static_path, valid_access)
示例#35
0
 def test_directory_traversal_check_allowed(self):
     valid_access = os.path.join(GLSettings.static_path, "valid.txt")
     directory_traversal_check(GLSettings.static_path, valid_access)
示例#36
0
    def post(self, filename):
        """
        Upload a new file
        """
        uploaded_file = self.get_file_upload()
        if uploaded_file is None:
            self.set_status(201)
            self.finish()
            return

        # This handler allow to upload files inside globaleaks static directory
        #
        # There 4 possibilities allowed are:
        #
        # 1) the destination is == GLSettings.reserved_names.logo
        #   2) the destination is == GLSettings.reserved_names.cc
        #   3) the "destination+".png" does not match receiver_img_regexp
        #   4) the provided filename is a receiver uuid
        if filename == GLSettings.reserved_names.logo:
            try:
                path = os.path.join(GLSettings.static_path,
                                    "%s.png" % GLSettings.reserved_names.logo)
                log.debug("Received request to update Node logo with %s" %
                          uploaded_file['filename'])
            except Exception as excpd:
                log.err("Exception raise saving Node logo: %s" % excpd)
                raise errors.InternalServerError(excpd.__repr__())

        elif filename == GLSettings.reserved_names.css:
            try:
                path = os.path.join(GLSettings.static_path,
                                    "%s.css" % GLSettings.reserved_names.css)
                log.debug("Received request to update custom CSS with %s" %
                          uploaded_file['filename'])
            except Exception as excpd:
                log.err("Exception raise saving custom CSS: %s" % excpd)
                raise errors.InternalServerError(excpd.__repr__())

        elif filename == GLSettings.reserved_names.html:
            try:
                path = os.path.join(GLSettings.static_path,
                                    "%s.html" % GLSettings.reserved_names.html)
                log.debug(
                    "Received request to update custom Homepage with %s" %
                    uploaded_file['filename'])
            except Exception as excpd:
                log.err("Exception raise saving custom Homepage: %s" % excpd)
                raise errors.InternalServerError(excpd.__repr__())

        elif filename == 'customization' and \
                not re.match(receiver_img_regexp, uploaded_file['filename'] + ".png"):
            path = os.path.join(GLSettings.static_path,
                                uploaded_file['filename'])
            log.debug("Received request to save %s in path %s" %
                      (uploaded_file['filename'], path))
        else:
            try:
                path = yield receiver_pic_path(filename)
                log.debug(
                    "Received request to update Receiver portrait with %s" %
                    filename)
            except errors.ReceiverIdNotFound as excpd:
                log.err("Invalid Receiver ID specified: %s" % filename)
                raise excpd
            except Exception as excpd:
                log.err(
                    "Exception raised while saving Receive portrait with %s: %s"
                    % (filename, excpd))
                raise errors.InternalServerError(excpd.__repr__())

        directory_traversal_check(GLSettings.static_path, path)

        try:
            # the dump of the file is done here in the latest stage to
            # avoid writing non tracked files on the file system in case of exceptions
            dumped_file = yield threads.deferToThread(dump_static_file,
                                                      uploaded_file, path)
        except OSError as excpd:
            log.err("OSError while create a new static file [%s]: %s" %
                    (path, excpd))
            raise errors.InternalServerError(excpd.strerror)
        except Exception as excpd:
            log.err("Unexpected exception: %s" % excpd.message)
            raise errors.InternalServerError(excpd.message)

        log.debug("Admin uploaded new static file: %s" %
                  dumped_file['filename'])

        self.set_status(201)  # Created
        self.finish()
示例#37
0
    def post(self, filename):
        """
        Upload a new file
        """
        uploaded_file = self.get_file_upload()
        if uploaded_file is None:
            self.set_status(201)
            self.finish()
            return

        # This handler allow to upload files inside globaleaks static directory
        #
        # There 4 possibilities allowed are:
        #
        #   1) the destination is == GLSetting.reserved_names.logo
        #   2) the destination is == GLSetting.reserved_names.cc
        #   3) the "destination+".png" does not match receiver_img_regexp
        #   4) the provided filename is a receiver uuid
        if filename == GLSetting.reserved_names.logo:
            try:
                path = os.path.join(GLSetting.static_path, "%s.png" % GLSetting.reserved_names.logo)
                log.debug("Received request to update Node logo with %s" % uploaded_file['filename'])
            except Exception as excpd:
                log.err("Exception raise saving Node logo: %s" % excpd)
                raise errors.InternalServerError(excpd.__repr__())

        elif filename == GLSetting.reserved_names.css:
            try:
                path = os.path.join(GLSetting.static_path, "%s.css" % GLSetting.reserved_names.css)
                log.debug("Received request to update custom CSS with %s" % uploaded_file['filename'])
            except Exception as excpd:
                log.err("Exception raise saving custom CSS: %s" % excpd)
                raise errors.InternalServerError(excpd.__repr__())

        elif filename == GLSetting.reserved_names.html:
            try:
                path = os.path.join(GLSetting.static_path, "%s.html" % GLSetting.reserved_names.html)
                log.debug("Received request to update custom Homepage with %s" % uploaded_file['filename'])
            except Exception as excpd:
                log.err("Exception raise saving custom Homepage: %s" % excpd)
                raise errors.InternalServerError(excpd.__repr__())

        elif filename == 'customization' and \
                not re.match(receiver_img_regexp, uploaded_file['filename'] + ".png"):
            path = os.path.join(GLSetting.static_path, uploaded_file['filename'])
            log.debug("Received request to save %s in path %s" %
                      (uploaded_file['filename'], path))
        else:
            try:
                path = yield receiver_pic_path(filename)
                log.debug("Received request to update Receiver portrait with %s" % filename)
            except errors.ReceiverIdNotFound as excpd:
                log.err("Invalid Receiver ID specified: %s" % filename)
                raise excpd
            except Exception as excpd:
                log.err("Exception raised while saving Receive portrait with %s: %s" %
                        (filename, excpd))
                raise errors.InternalServerError(excpd.__repr__())

        directory_traversal_check(GLSetting.static_path, path)

        try:
            # the dump of the file is done here in the latest stage to
            # avoid writing non tracked files on the file system in case of exceptions
            dumped_file = yield threads.deferToThread(dump_static_file, uploaded_file, path)
        except OSError as excpd:
            log.err("OSError while create a new static file [%s]: %s" % (path, excpd))
            raise errors.InternalServerError(excpd.strerror)
        except Exception as excpd:
            log.err("Unexpected exception: %s" % excpd.message)
            raise errors.InternalServerError(excpd.message)

        log.debug("Admin uploaded new static file: %s" % dumped_file['filename'])

        self.set_status(201)  # Created
        self.finish()