def generate_thumbnail_url(path: str, size: str = '0x0') -> str:
if not (path.startswith('https://') or path.startswith('http://')):
path = '/' + path
if not is_thumbor_enabled():
if path.startswith('http://'):
return get_camo_url(path)
return path
if not user_uploads_or_external(path):
return path
source_type = get_source_type(path)
safe_url = base64.urlsafe_b64encode(path.encode()).decode('utf-8')
image_url = '%s/source_type/%s' % (safe_url, source_type)
width, height = map(int, size.split('x'))
crypto = CryptoURL(key=settings.THUMBOR_KEY)
encrypted_url = crypto.generate(
width=width,
height=height,
smart=True,
filters=['no_upscale()', 'sharpen(0.5,0.2,true)'],
image_url=image_url)
if settings.THUMBOR_URL == 'http://127.0.0.1:9995':
# If THUMBOR_URL is the default then thumbor is hosted on same machine
# as the Zulip server and we should serve a relative URL.
# We add a /thumbor in front of the relative url because we make
# use of a proxy pass to redirect request internally in Nginx to 9995
# port where thumbor is running.
thumbnail_url = '/thumbor' + encrypted_url
else:
thumbnail_url = urllib.parse.urljoin(settings.THUMBOR_URL,
encrypted_url)
return thumbnail_url
def generate_thumbnail_url(path: str, size: str='0x0') -> str:
if not (path.startswith('https://') or path.startswith('http://')):
path = '/' + path
if not is_thumbor_enabled():
if path.startswith('http://'):
return get_camo_url(path)
return path
if not user_uploads_or_external(path):
return path
source_type = get_source_type(path)
safe_url = base64.urlsafe_b64encode(path.encode()).decode('utf-8')
image_url = '%s/source_type/%s' % (safe_url, source_type)
width, height = map(int, size.split('x'))
crypto = CryptoURL(key=settings.THUMBOR_KEY)
encrypted_url = crypto.generate(
width=width,
height=height,
smart=True,
filters=['no_upscale()', 'sharpen(0.5,0.2,true)'],
image_url=image_url
)
if settings.THUMBOR_URL == 'http://127.0.0.1:9995':
# If THUMBOR_URL is the default then thumbor is hosted on same machine
# as the Zulip server and we should serve a relative URL.
# We add a /thumbor in front of the relative url because we make
# use of a proxy pass to redirect request internally in Nginx to 9995
# port where thumbor is running.
thumbnail_url = '/thumbor' + encrypted_url
else:
thumbnail_url = urllib.parse.urljoin(settings.THUMBOR_URL, encrypted_url)
return thumbnail_url
def run(self, root):
# Get all URLs from the blob
found_imgs = walk_tree(root, lambda e: e if e.tag == "img" else None)
for img in found_imgs:
url = img.get("src")
if not url.startswith("http://"):
# Don't rewrite images on our own site (e.g. emoji).
continue
img.set("src", get_camo_url(url))
def run(self, root):
# Get all URLs from the blob
found_imgs = walk_tree(root, lambda e: e if e.tag == "img" else None)
for img in found_imgs:
url = img.get("src")
if not url.startswith("http://"):
# Don't rewrite images on our own site (e.g. emoji).
continue
img.set("src", get_camo_url(url))
def test_inline_url_embed_preview_with_camo(self) -> None:
camo_url = re.sub(
r"([^\w-])", r"\\\1", get_camo_url("http://ia.media-imdb.com/images/rock.jpg")
)
with_preview = (
'<p><a href="http://test.org/">http://test.org/</a></p>\n<div class="message_embed"><a class="message_embed_image" href="http://test.org/" style="background-image: url('
+ camo_url
+ ')"></a><div class="data-container"><div class="message_embed_title"><a href="http://test.org/" title="The Rock">The Rock</a></div><div class="message_embed_description">Description text</div></div></div>'
)
msg = self._send_message_with_test_org_url(sender=self.example_user("hamlet"))
self.assertEqual(msg.rendered_content, with_preview)
def generate_thumbnail_url(path: str,
size: str = '0x0',
is_camo_url: bool = False) -> str:
path = urljoin("/", path)
if not is_thumbor_enabled():
if is_safe_url(path, allowed_hosts=None):
return path
return get_camo_url(path)
if is_safe_url(
path,
allowed_hosts=None) and not path.startswith("/user_uploads/"):
return path
source_type = get_source_type(path)
safe_url = base64.urlsafe_b64encode(path.encode()).decode('utf-8')
image_url = f'{safe_url}/source_type/{source_type}'
width, height = map(int, size.split('x'))
crypto = CryptoURL(key=settings.THUMBOR_KEY)
smart_crop_enabled = True
apply_filters = ['no_upscale()']
if is_camo_url:
smart_crop_enabled = False
apply_filters.append('quality(100)')
if size != '0x0':
apply_filters.append('sharpen(0.5,0.2,true)')
encrypted_url = crypto.generate(
width=width,
height=height,
smart=smart_crop_enabled,
filters=apply_filters,
image_url=image_url,
)
if settings.THUMBOR_URL == 'http://127.0.0.1:9995':
# If THUMBOR_URL is the default then thumbor is hosted on same machine
# as the Zulip server and we should serve a relative URL.
# We add a /thumbor in front of the relative url because we make
# use of a proxy pass to redirect request internally in Nginx to 9995
# port where thumbor is running.
thumbnail_url = '/thumbor' + encrypted_url
else:
thumbnail_url = urllib.parse.urljoin(settings.THUMBOR_URL,
encrypted_url)
return thumbnail_url
def generate_thumbnail_url(path: str, size: str = "0x0") -> str:
path = urljoin("/", path)
if url_has_allowed_host_and_scheme(path, allowed_hosts=None):
return path
return get_camo_url(path)
def emoji_img(name, url):
return '<img alt="%s" class="emoji" src="%s" title="%s">' % (name, get_camo_url(url), name)
