mirror of https://github.com/zulip/zulip.git
596 lines
22 KiB
Python
596 lines
22 KiB
Python
from typing import Any, Dict, Mapping, Optional, Tuple, Text
|
|
|
|
from django.utils.translation import ugettext as _
|
|
from django.conf import settings
|
|
from django.template.defaultfilters import slugify
|
|
from django.core.files import File
|
|
from django.http import HttpRequest
|
|
from django.db.models import Sum
|
|
from jinja2 import Markup as mark_safe
|
|
import unicodedata
|
|
|
|
from zerver.lib.avatar_hash import user_avatar_path
|
|
from zerver.lib.exceptions import JsonableError, ErrorCode
|
|
from zerver.lib.str_utils import force_text, force_str, NonBinaryStr
|
|
|
|
from boto.s3.bucket import Bucket
|
|
from boto.s3.key import Key
|
|
from boto.s3.connection import S3Connection
|
|
from mimetypes import guess_type, guess_extension
|
|
|
|
from zerver.lib.str_utils import force_bytes, force_str
|
|
from zerver.models import get_user_profile_by_id, RealmEmoji
|
|
from zerver.models import Attachment
|
|
from zerver.models import Realm, RealmEmoji, UserProfile, Message
|
|
|
|
import urllib
|
|
import base64
|
|
import os
|
|
import re
|
|
from PIL import Image, ImageOps
|
|
import io
|
|
import random
|
|
import logging
|
|
|
|
DEFAULT_AVATAR_SIZE = 100
|
|
MEDIUM_AVATAR_SIZE = 500
|
|
DEFAULT_EMOJI_SIZE = 64
|
|
|
|
# Performance Note:
|
|
#
|
|
# For writing files to S3, the file could either be stored in RAM
|
|
# (if it is less than 2.5MiB or so) or an actual temporary file on disk.
|
|
#
|
|
# Because we set FILE_UPLOAD_MAX_MEMORY_SIZE to 0, only the latter case
|
|
# should occur in practice.
|
|
#
|
|
# This is great, because passing the pseudofile object that Django gives
|
|
# you to boto would be a pain.
|
|
|
|
# To come up with a s3 key we randomly generate a "directory". The
|
|
# "file name" is the original filename provided by the user run
|
|
# through a sanitization function.
|
|
|
|
attachment_url_re = re.compile('[/\-]user[\-_]uploads[/\.-].*?(?=[ )]|\Z)')
|
|
|
|
def attachment_url_to_path_id(attachment_url):
|
|
# type: (Text) -> Text
|
|
path_id_raw = re.sub('[/\-]user[\-_]uploads[/\.-]', '', attachment_url)
|
|
# Remove any extra '.' after file extension. These are probably added by the user
|
|
return re.sub('[.]+$', '', path_id_raw, re.M)
|
|
|
|
def sanitize_name(value):
|
|
# type: (NonBinaryStr) -> Text
|
|
"""
|
|
Sanitizes a value to be safe to store in a Linux filesystem, in
|
|
S3, and in a URL. So unicode is allowed, but not special
|
|
characters other than ".", "-", and "_".
|
|
|
|
This implementation is based on django.utils.text.slugify; it is
|
|
modified by:
|
|
* adding '.' and '_' to the list of allowed characters.
|
|
* preserving the case of the value.
|
|
"""
|
|
value = unicodedata.normalize('NFKC', value)
|
|
value = re.sub('[^\w\s._-]', '', value, flags=re.U).strip()
|
|
return mark_safe(re.sub('[-\s]+', '-', value, flags=re.U))
|
|
|
|
def random_name(bytes=60):
|
|
# type: (int) -> Text
|
|
return base64.urlsafe_b64encode(os.urandom(bytes)).decode('utf-8')
|
|
|
|
class BadImageError(JsonableError):
|
|
code = ErrorCode.BAD_IMAGE
|
|
|
|
class ExceededQuotaError(JsonableError):
|
|
code = ErrorCode.QUOTA_EXCEEDED
|
|
|
|
def resize_avatar(image_data, size=DEFAULT_AVATAR_SIZE):
|
|
# type: (bytes, int) -> bytes
|
|
try:
|
|
im = Image.open(io.BytesIO(image_data))
|
|
im = ImageOps.fit(im, (size, size), Image.ANTIALIAS)
|
|
except IOError:
|
|
raise BadImageError("Could not decode image; did you upload an image file?")
|
|
out = io.BytesIO()
|
|
im.save(out, format='png')
|
|
return out.getvalue()
|
|
|
|
|
|
def resize_emoji(image_data, size=DEFAULT_EMOJI_SIZE):
|
|
# type: (bytes, int) -> bytes
|
|
try:
|
|
im = Image.open(io.BytesIO(image_data))
|
|
image_format = im.format
|
|
if image_format == 'GIF' and im.is_animated:
|
|
if im.size[0] != im.size[1]:
|
|
raise JsonableError(
|
|
_("Animated emoji must be have same width and height."))
|
|
elif im.size[0] > size:
|
|
raise JsonableError(
|
|
_("Animated emoji can't be larger than 64px in width or height."))
|
|
else:
|
|
return image_data
|
|
im = ImageOps.fit(im, (size, size), Image.ANTIALIAS)
|
|
except IOError:
|
|
raise BadImageError("Could not decode image; did you upload an image file?")
|
|
out = io.BytesIO()
|
|
im.save(out, format=image_format)
|
|
return out.getvalue()
|
|
|
|
|
|
### Common
|
|
|
|
class ZulipUploadBackend:
|
|
def upload_message_image(self, uploaded_file_name, uploaded_file_size,
|
|
content_type, file_data, user_profile, target_realm=None):
|
|
# type: (Text, int, Optional[Text], bytes, UserProfile, Optional[Realm]) -> Text
|
|
raise NotImplementedError()
|
|
|
|
def upload_avatar_image(self, user_file, acting_user_profile, target_user_profile):
|
|
# type: (File, UserProfile, UserProfile) -> None
|
|
raise NotImplementedError()
|
|
|
|
def delete_message_image(self, path_id):
|
|
# type: (Text) -> bool
|
|
raise NotImplementedError()
|
|
|
|
def get_avatar_url(self, hash_key, medium=False):
|
|
# type: (Text, bool) -> Text
|
|
raise NotImplementedError()
|
|
|
|
def ensure_medium_avatar_image(self, user_profile):
|
|
# type: (UserProfile) -> None
|
|
raise NotImplementedError()
|
|
|
|
def upload_realm_icon_image(self, icon_file, user_profile):
|
|
# type: (File, UserProfile) -> None
|
|
raise NotImplementedError()
|
|
|
|
def get_realm_icon_url(self, realm_id, version):
|
|
# type: (int, int) -> Text
|
|
raise NotImplementedError()
|
|
|
|
def upload_emoji_image(self, emoji_file, emoji_file_name, user_profile):
|
|
# type: (File, Text, UserProfile) -> None
|
|
raise NotImplementedError()
|
|
|
|
def get_emoji_url(self, emoji_file_name, realm_id):
|
|
# type: (Text, int) -> Text
|
|
raise NotImplementedError()
|
|
|
|
|
|
### S3
|
|
|
|
def get_bucket(conn, bucket_name):
|
|
# type: (S3Connection, Text) -> Bucket
|
|
# Calling get_bucket() with validate=True can apparently lead
|
|
# to expensive S3 bills:
|
|
# http://www.appneta.com/blog/s3-list-get-bucket-default/
|
|
# The benefits of validation aren't completely clear to us, and
|
|
# we want to save on our bills, so we set the validate flag to False.
|
|
# (We think setting validate to True would cause us to fail faster
|
|
# in situations where buckets don't exist, but that shouldn't be
|
|
# an issue for us.)
|
|
bucket = conn.get_bucket(bucket_name, validate=False)
|
|
return bucket
|
|
|
|
def upload_image_to_s3(
|
|
bucket_name,
|
|
file_name,
|
|
content_type,
|
|
user_profile,
|
|
contents):
|
|
# type: (NonBinaryStr, Text, Optional[Text], UserProfile, bytes) -> None
|
|
|
|
conn = S3Connection(settings.S3_KEY, settings.S3_SECRET_KEY)
|
|
bucket = get_bucket(conn, bucket_name)
|
|
key = Key(bucket)
|
|
key.key = force_str(file_name)
|
|
key.set_metadata("user_profile_id", str(user_profile.id))
|
|
key.set_metadata("realm_id", str(user_profile.realm_id))
|
|
|
|
if content_type is not None:
|
|
headers = {'Content-Type': content_type} # type: Optional[Dict[Text, Text]]
|
|
else:
|
|
headers = None
|
|
|
|
key.set_contents_from_string(contents, headers=headers) # type: ignore # https://github.com/python/typeshed/issues/1552
|
|
|
|
def get_total_uploads_size_for_user(user):
|
|
# type: (UserProfile) -> int
|
|
uploads = Attachment.objects.filter(owner=user)
|
|
total_quota = uploads.aggregate(Sum('size'))['size__sum']
|
|
|
|
# In case user has no uploads
|
|
if (total_quota is None):
|
|
total_quota = 0
|
|
return total_quota
|
|
|
|
def within_upload_quota(user, uploaded_file_size):
|
|
# type: (UserProfile, int) -> bool
|
|
total_quota = get_total_uploads_size_for_user(user)
|
|
if (total_quota + uploaded_file_size > user.quota):
|
|
return False
|
|
else:
|
|
return True
|
|
|
|
def get_file_info(request, user_file):
|
|
# type: (HttpRequest, File) -> Tuple[Text, int, Optional[Text]]
|
|
|
|
uploaded_file_name = user_file.name
|
|
assert isinstance(uploaded_file_name, str)
|
|
|
|
content_type = request.GET.get('mimetype')
|
|
if content_type is None:
|
|
guessed_type = guess_type(uploaded_file_name)[0]
|
|
if guessed_type is not None:
|
|
content_type = guessed_type
|
|
else:
|
|
extension = guess_extension(content_type)
|
|
if extension is not None:
|
|
uploaded_file_name = uploaded_file_name + extension
|
|
|
|
uploaded_file_name = urllib.parse.unquote(uploaded_file_name)
|
|
uploaded_file_size = user_file.size
|
|
|
|
return uploaded_file_name, uploaded_file_size, content_type
|
|
|
|
|
|
def get_signed_upload_url(path):
|
|
# type: (Text) -> Text
|
|
conn = S3Connection(settings.S3_KEY, settings.S3_SECRET_KEY)
|
|
return force_text(conn.generate_url(15, 'GET', bucket=settings.S3_AUTH_UPLOADS_BUCKET, key=force_str(path)))
|
|
|
|
def get_realm_for_filename(path):
|
|
# type: (Text) -> Optional[int]
|
|
conn = S3Connection(settings.S3_KEY, settings.S3_SECRET_KEY)
|
|
key = get_bucket(conn, settings.S3_AUTH_UPLOADS_BUCKET).get_key(path)
|
|
if key is None:
|
|
# This happens if the key does not exist.
|
|
return None
|
|
return get_user_profile_by_id(key.metadata["user_profile_id"]).realm_id
|
|
|
|
|
|
class S3UploadBackend(ZulipUploadBackend):
|
|
|
|
def upload_message_image(self, uploaded_file_name, uploaded_file_size,
|
|
content_type, file_data, user_profile, target_realm=None):
|
|
# type: (Text, int, Optional[Text], bytes, UserProfile, Optional[Realm]) -> Text
|
|
bucket_name = settings.S3_AUTH_UPLOADS_BUCKET
|
|
if target_realm is None:
|
|
target_realm = user_profile.realm
|
|
s3_file_name = "/".join([
|
|
str(target_realm.id),
|
|
random_name(18),
|
|
sanitize_name(uploaded_file_name)
|
|
])
|
|
url = "/user_uploads/%s" % (s3_file_name,)
|
|
|
|
upload_image_to_s3(
|
|
bucket_name,
|
|
s3_file_name,
|
|
content_type,
|
|
user_profile,
|
|
file_data
|
|
)
|
|
|
|
create_attachment(uploaded_file_name, s3_file_name, user_profile, uploaded_file_size)
|
|
return url
|
|
|
|
def delete_message_image(self, path_id):
|
|
# type: (Text) -> bool
|
|
conn = S3Connection(settings.S3_KEY, settings.S3_SECRET_KEY)
|
|
bucket = get_bucket(conn, settings.S3_AUTH_UPLOADS_BUCKET)
|
|
|
|
# check if file exists
|
|
key = bucket.get_key(path_id)
|
|
if key is not None:
|
|
bucket.delete_key(key)
|
|
return True
|
|
|
|
file_name = path_id.split("/")[-1]
|
|
logging.warning("%s does not exist. Its entry in the database will be removed." % (file_name,))
|
|
return False
|
|
|
|
def upload_avatar_image(self, user_file, acting_user_profile, target_user_profile):
|
|
# type: (File, UserProfile, UserProfile) -> None
|
|
content_type = guess_type(user_file.name)[0]
|
|
bucket_name = settings.S3_AVATAR_BUCKET
|
|
s3_file_name = user_avatar_path(target_user_profile)
|
|
|
|
image_data = user_file.read()
|
|
upload_image_to_s3(
|
|
bucket_name,
|
|
s3_file_name + ".original",
|
|
content_type,
|
|
target_user_profile,
|
|
image_data,
|
|
)
|
|
|
|
# custom 500px wide version
|
|
resized_medium = resize_avatar(image_data, MEDIUM_AVATAR_SIZE)
|
|
upload_image_to_s3(
|
|
bucket_name,
|
|
s3_file_name + "-medium.png",
|
|
"image/png",
|
|
target_user_profile,
|
|
resized_medium
|
|
)
|
|
|
|
resized_data = resize_avatar(image_data)
|
|
upload_image_to_s3(
|
|
bucket_name,
|
|
s3_file_name,
|
|
'image/png',
|
|
target_user_profile,
|
|
resized_data,
|
|
)
|
|
# See avatar_url in avatar.py for URL. (That code also handles the case
|
|
# that users use gravatar.)
|
|
|
|
def get_avatar_url(self, hash_key, medium=False):
|
|
# type: (Text, bool) -> Text
|
|
bucket = settings.S3_AVATAR_BUCKET
|
|
medium_suffix = "-medium.png" if medium else ""
|
|
# ?x=x allows templates to append additional parameters with &s
|
|
return u"https://%s.s3.amazonaws.com/%s%s?x=x" % (bucket, hash_key, medium_suffix)
|
|
|
|
def upload_realm_icon_image(self, icon_file, user_profile):
|
|
# type: (File, UserProfile) -> None
|
|
content_type = guess_type(icon_file.name)[0]
|
|
bucket_name = settings.S3_AVATAR_BUCKET
|
|
s3_file_name = os.path.join(str(user_profile.realm.id), 'realm', 'icon')
|
|
|
|
image_data = icon_file.read()
|
|
upload_image_to_s3(
|
|
bucket_name,
|
|
s3_file_name + ".original",
|
|
content_type,
|
|
user_profile,
|
|
image_data,
|
|
)
|
|
|
|
resized_data = resize_avatar(image_data)
|
|
upload_image_to_s3(
|
|
bucket_name,
|
|
s3_file_name + ".png",
|
|
'image/png',
|
|
user_profile,
|
|
resized_data,
|
|
)
|
|
# See avatar_url in avatar.py for URL. (That code also handles the case
|
|
# that users use gravatar.)
|
|
|
|
def get_realm_icon_url(self, realm_id, version):
|
|
# type: (int, int) -> Text
|
|
bucket = settings.S3_AVATAR_BUCKET
|
|
# ?x=x allows templates to append additional parameters with &s
|
|
return u"https://%s.s3.amazonaws.com/%s/realm/icon.png?version=%s" % (bucket, realm_id, version)
|
|
|
|
def ensure_medium_avatar_image(self, user_profile):
|
|
# type: (UserProfile) -> None
|
|
file_path = user_avatar_path(user_profile)
|
|
s3_file_name = file_path
|
|
|
|
bucket_name = settings.S3_AVATAR_BUCKET
|
|
conn = S3Connection(settings.S3_KEY, settings.S3_SECRET_KEY)
|
|
bucket = get_bucket(conn, bucket_name)
|
|
key = bucket.get_key(file_path)
|
|
image_data = force_bytes(key.get_contents_as_string())
|
|
|
|
resized_medium = resize_avatar(image_data, MEDIUM_AVATAR_SIZE)
|
|
upload_image_to_s3(
|
|
bucket_name,
|
|
s3_file_name + "-medium.png",
|
|
"image/png",
|
|
user_profile,
|
|
resized_medium
|
|
)
|
|
|
|
def upload_emoji_image(self, emoji_file, emoji_file_name, user_profile):
|
|
# type: (File, Text, UserProfile) -> None
|
|
content_type = guess_type(emoji_file.name)[0]
|
|
bucket_name = settings.S3_AVATAR_BUCKET
|
|
emoji_path = RealmEmoji.PATH_ID_TEMPLATE.format(
|
|
realm_id=user_profile.realm_id,
|
|
emoji_file_name=emoji_file_name
|
|
)
|
|
|
|
image_data = emoji_file.read()
|
|
resized_image_data = resize_emoji(image_data)
|
|
upload_image_to_s3(
|
|
bucket_name,
|
|
".".join((emoji_path, "original")),
|
|
content_type,
|
|
user_profile,
|
|
image_data,
|
|
)
|
|
upload_image_to_s3(
|
|
bucket_name,
|
|
emoji_path,
|
|
content_type,
|
|
user_profile,
|
|
resized_image_data,
|
|
)
|
|
|
|
def get_emoji_url(self, emoji_file_name, realm_id):
|
|
# type: (Text, int) -> Text
|
|
bucket = settings.S3_AVATAR_BUCKET
|
|
emoji_path = RealmEmoji.PATH_ID_TEMPLATE.format(realm_id=realm_id,
|
|
emoji_file_name=emoji_file_name)
|
|
return u"https://%s.s3.amazonaws.com/%s" % (bucket, emoji_path)
|
|
|
|
|
|
### Local
|
|
|
|
def mkdirs(path):
|
|
# type: (Text) -> None
|
|
dirname = os.path.dirname(path)
|
|
if not os.path.isdir(dirname):
|
|
os.makedirs(dirname)
|
|
|
|
def write_local_file(type, path, file_data):
|
|
# type: (Text, Text, bytes) -> None
|
|
file_path = os.path.join(settings.LOCAL_UPLOADS_DIR, type, path)
|
|
mkdirs(file_path)
|
|
with open(file_path, 'wb') as f:
|
|
f.write(file_data)
|
|
|
|
def get_local_file_path(path_id):
|
|
# type: (Text) -> Optional[Text]
|
|
local_path = os.path.join(settings.LOCAL_UPLOADS_DIR, 'files', path_id)
|
|
if os.path.isfile(local_path):
|
|
return local_path
|
|
else:
|
|
return None
|
|
|
|
class LocalUploadBackend(ZulipUploadBackend):
|
|
def upload_message_image(self, uploaded_file_name, uploaded_file_size,
|
|
content_type, file_data, user_profile, target_realm=None):
|
|
# type: (Text, int, Optional[Text], bytes, UserProfile, Optional[Realm]) -> Text
|
|
# Split into 256 subdirectories to prevent directories from getting too big
|
|
path = "/".join([
|
|
str(user_profile.realm_id),
|
|
format(random.randint(0, 255), 'x'),
|
|
random_name(18),
|
|
sanitize_name(uploaded_file_name)
|
|
])
|
|
|
|
write_local_file('files', path, file_data)
|
|
create_attachment(uploaded_file_name, path, user_profile, uploaded_file_size)
|
|
return '/user_uploads/' + path
|
|
|
|
def delete_message_image(self, path_id):
|
|
# type: (Text) -> bool
|
|
file_path = os.path.join(settings.LOCAL_UPLOADS_DIR, 'files', path_id)
|
|
if os.path.isfile(file_path):
|
|
# This removes the file but the empty folders still remain.
|
|
os.remove(file_path)
|
|
return True
|
|
|
|
file_name = path_id.split("/")[-1]
|
|
logging.warning("%s does not exist. Its entry in the database will be removed." % (file_name,))
|
|
return False
|
|
|
|
def upload_avatar_image(self, user_file, acting_user_profile, target_user_profile):
|
|
# type: (File, UserProfile, UserProfile) -> None
|
|
file_path = user_avatar_path(target_user_profile)
|
|
|
|
image_data = user_file.read()
|
|
write_local_file('avatars', file_path + '.original', image_data)
|
|
|
|
resized_data = resize_avatar(image_data)
|
|
write_local_file('avatars', file_path + '.png', resized_data)
|
|
|
|
resized_medium = resize_avatar(image_data, MEDIUM_AVATAR_SIZE)
|
|
write_local_file('avatars', file_path + '-medium.png', resized_medium)
|
|
|
|
def get_avatar_url(self, hash_key, medium=False):
|
|
# type: (Text, bool) -> Text
|
|
# ?x=x allows templates to append additional parameters with &s
|
|
medium_suffix = "-medium" if medium else ""
|
|
return u"/user_avatars/%s%s.png?x=x" % (hash_key, medium_suffix)
|
|
|
|
def upload_realm_icon_image(self, icon_file, user_profile):
|
|
# type: (File, UserProfile) -> None
|
|
upload_path = os.path.join('avatars', str(user_profile.realm.id), 'realm')
|
|
|
|
image_data = icon_file.read()
|
|
write_local_file(
|
|
upload_path,
|
|
'icon.original',
|
|
image_data)
|
|
|
|
resized_data = resize_avatar(image_data)
|
|
write_local_file(upload_path, 'icon.png', resized_data)
|
|
|
|
def get_realm_icon_url(self, realm_id, version):
|
|
# type: (int, int) -> Text
|
|
# ?x=x allows templates to append additional parameters with &s
|
|
return u"/user_avatars/%s/realm/icon.png?version=%s" % (realm_id, version)
|
|
|
|
def ensure_medium_avatar_image(self, user_profile):
|
|
# type: (UserProfile) -> None
|
|
file_path = user_avatar_path(user_profile)
|
|
|
|
output_path = os.path.join(settings.LOCAL_UPLOADS_DIR, "avatars", file_path + "-medium.png")
|
|
if os.path.isfile(output_path):
|
|
return
|
|
|
|
image_path = os.path.join(settings.LOCAL_UPLOADS_DIR, "avatars", file_path + ".original")
|
|
image_data = open(image_path, "rb").read()
|
|
resized_medium = resize_avatar(image_data, MEDIUM_AVATAR_SIZE)
|
|
write_local_file('avatars', file_path + '-medium.png', resized_medium)
|
|
|
|
def upload_emoji_image(self, emoji_file, emoji_file_name, user_profile):
|
|
# type: (File, Text, UserProfile) -> None
|
|
emoji_path = RealmEmoji.PATH_ID_TEMPLATE.format(
|
|
realm_id= user_profile.realm_id,
|
|
emoji_file_name=emoji_file_name
|
|
)
|
|
|
|
image_data = emoji_file.read()
|
|
resized_image_data = resize_emoji(image_data)
|
|
write_local_file(
|
|
'avatars',
|
|
".".join((emoji_path, "original")),
|
|
image_data)
|
|
write_local_file(
|
|
'avatars',
|
|
emoji_path,
|
|
resized_image_data)
|
|
|
|
def get_emoji_url(self, emoji_file_name, realm_id):
|
|
# type: (Text, int) -> Text
|
|
return os.path.join(
|
|
u"/user_avatars",
|
|
RealmEmoji.PATH_ID_TEMPLATE.format(realm_id=realm_id, emoji_file_name=emoji_file_name))
|
|
|
|
# Common and wrappers
|
|
if settings.LOCAL_UPLOADS_DIR is not None:
|
|
upload_backend = LocalUploadBackend() # type: ZulipUploadBackend
|
|
else:
|
|
upload_backend = S3UploadBackend()
|
|
|
|
def delete_message_image(path_id):
|
|
# type: (Text) -> bool
|
|
return upload_backend.delete_message_image(path_id)
|
|
|
|
def upload_avatar_image(user_file, acting_user_profile, target_user_profile):
|
|
# type: (File, UserProfile, UserProfile) -> None
|
|
upload_backend.upload_avatar_image(user_file, acting_user_profile, target_user_profile)
|
|
|
|
def upload_icon_image(user_file, user_profile):
|
|
# type: (File, UserProfile) -> None
|
|
upload_backend.upload_realm_icon_image(user_file, user_profile)
|
|
|
|
def upload_emoji_image(emoji_file, emoji_file_name, user_profile):
|
|
# type: (File, Text, UserProfile) -> None
|
|
upload_backend.upload_emoji_image(emoji_file, emoji_file_name, user_profile)
|
|
|
|
def upload_message_image(uploaded_file_name, uploaded_file_size,
|
|
content_type, file_data, user_profile, target_realm=None):
|
|
# type: (Text, int, Optional[Text], bytes, UserProfile, Optional[Realm]) -> Text
|
|
return upload_backend.upload_message_image(uploaded_file_name, uploaded_file_size,
|
|
content_type, file_data, user_profile, target_realm=target_realm)
|
|
|
|
def claim_attachment(user_profile, path_id, message, is_message_realm_public):
|
|
# type: (UserProfile, Text, Message, bool) -> None
|
|
attachment = Attachment.objects.get(path_id=path_id)
|
|
attachment.messages.add(message)
|
|
attachment.is_realm_public = attachment.is_realm_public or is_message_realm_public
|
|
attachment.save()
|
|
|
|
def create_attachment(file_name, path_id, user_profile, file_size):
|
|
# type: (Text, Text, UserProfile, int) -> bool
|
|
Attachment.objects.create(file_name=file_name, path_id=path_id, owner=user_profile,
|
|
realm=user_profile.realm, size=file_size)
|
|
return True
|
|
|
|
def upload_message_image_from_request(request, user_file, user_profile):
|
|
# type: (HttpRequest, File, UserProfile) -> Text
|
|
uploaded_file_name, uploaded_file_size, content_type = get_file_info(request, user_file)
|
|
return upload_message_image(uploaded_file_name, uploaded_file_size,
|
|
content_type, user_file.read(), user_profile)
|