store_api.py 5.84 KB
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from os.path import splitext
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import json
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import logging
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from urlparse import urljoin
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from datetime import datetime

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from django.http import Http404
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from django.conf import settings
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from requests import get, post, codes
from sizefield.utils import filesizeformat
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logger = logging.getLogger(__name__)

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class StoreApiException(Exception):
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    pass


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class NotOkException(StoreApiException):
    def __init__(self, status, *args, **kwargs):
        self.status = status
        super(NotOkException, self).__init__(*args, **kwargs)


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class NoStoreException(StoreApiException):
    pass


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class Store(object):

    def __init__(self, user, default_timeout=0.5):
        self.request_args = {'verify': settings.STORE_VERIFY_SSL}
        if settings.STORE_SSL_AUTH:
            self.request_args['cert'] = (settings.STORE_CLIENT_CERT,
                                         settings.STORE_CLIENT_KEY)
        if settings.STORE_BASIC_AUTH:
            self.request_args['auth'] = (settings.STORE_CLIENT_USER,
                                         settings.STORE_CLIENT_PASSWORD)
        self.username = "u-%d" % user.pk
        self.default_timeout = default_timeout
        self.store_url = settings.STORE_URL
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        if not self.store_url:
            raise NoStoreException
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    def _request(self, url, method=get, timeout=None,
                 raise_status_code=True, **kwargs):
        url = urljoin(self.store_url, url)
        if timeout is None:
            timeout = self.default_timeout
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        payload = json.dumps(kwargs) if kwargs else None
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        try:
            headers = {'content-type': 'application/json'}
            response = method(url, data=payload, headers=headers,
                              timeout=timeout, **self.request_args)
        except Exception:
            logger.exception("Error in store %s loading %s",
                             unicode(method), url)
            raise
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        else:
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            if raise_status_code and response.status_code != codes.ok:
                if response.status_code == 404:
                    raise Http404()
                else:
                    raise NotOkException(response.status_code)
            return response

    def _request_cmd(self, cmd, **kwargs):
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        return self._request(self.username, post, CMD=cmd, **kwargs)
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    def list(self, path, process=True):
        r = self._request_cmd("LIST", PATH=path)
        result = r.json()
        if process:
            return self._process_list(result)
        else:
            return result
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    def toplist(self, process=True):
        r = self._request_cmd("TOPLIST")
        result = r.json()
        if process:
            return self._process_list(result)
        else:
            return result

    def request_download(self, path):
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            r = self._request_cmd("DOWNLOAD", PATH=path, timeout=10)
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            return r.json()['LINK']

    def request_upload(self, path):
            r = self._request_cmd("UPLOAD", PATH=path)
            return r.json()['LINK']

    def remove(self, path):
        self._request_cmd("REMOVE", PATH=path)

    def new_folder(self, path):
        self._request_cmd("NEW_FOLDER", PATH=path)

    def rename(self, old_path, new_name):
        self._request_cmd("RENAME", PATH=old_path, NEW_NAME=new_name)

    def get_quota(self):  # no CMD? :o
        r = self._request(self.username)
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        quota = r.json()
        quota.update({
            'readable_used': filesizeformat(float(quota['Used'])),
            'readable_soft': filesizeformat(float(quota['Soft'])),
            'readable_hard': filesizeformat(float(quota['Hard'])),
        })
        return quota
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    def set_quota(self, quota):
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        self._request("/quota/" + self.username, post, QUOTA=quota)
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    def user_exist(self):
        try:
            self._request(self.username)
            return True
        except NotOkException:
            return False

    def create_user(self, password, keys, quota):
        self._request("/new/" + self.username, SMBPASSWD=password, KEYS=keys,
                      QUOTA=quota)

    @staticmethod
    def _process_list(content):
        for d in content:
            d['human_readable_date'] = datetime.utcfromtimestamp(float(
                d['MTIME']))
            delta = (datetime.utcnow() -
                     d['human_readable_date']).total_seconds()
            d['is_new'] = 0 < delta < 5
            d['human_readable_size'] = (
                "directory" if d['TYPE'] == "D" else
                filesizeformat(float(d['SIZE'])))

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            if d['DIR'] == ".":
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                d['directory'] = "/"
            else:
                d['directory'] = "/" + d['DIR'] + "/"

            d['path'] = d['directory']
            d['path'] += d['NAME']
            if d['TYPE'] == "D":
                d['path'] += "/"

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            d['ext'] = splitext(d['path'])[1]
            d['icon'] = ("folder-open" if not d['ext']
                         else file_icons.get(d['ext'], "file-o"))

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        return sorted(content, key=lambda k: k['TYPE'])
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file_icons = {
    '.txt': "file-text-o",
    '.pdf': "file-pdf-o",

    '.jpg': "file-image-o",
    '.jpeg': "file-image-o",
    '.png': "file-image-o",
    '.gif': "file-image-o",

    '.avi': "file-video-o",
    '.mkv': "file-video-o",
    '.mp4': "file-video-o",
    '.mov': "file-video-o",

    '.mp3': "file-sound-o",
    '.flac': "file-sound-o",
    '.wma': "file-sound-o",

    '.pptx': "file-powerpoint-o",
    '.ppt': "file-powerpoint-o",
    '.doc': "file-word-o",
    '.docx': "file-word-o",
    '.xlsx': "file-excel-o",
    '.xls': "file-excel-o",

    '.rar': "file-archive-o",
    '.zip': "file-archive-o",
    '.7z': "file-archive-o",
    '.tar': "file-archive-o",
    '.gz': "file-archive-o",

    '.py': "file-code-o",
    '.html': "file-code-o",
    '.js': "file-code-o",
    '.css': "file-code-o",
    '.c': "file-code-o",
    '.cpp': "file-code-o",
    '.h': "file-code-o",
    '.sh': "file-code-o",
}