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1007 lines
46 KiB
Python
1007 lines
46 KiB
Python
import re
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from dataclasses import asdict
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from io import BytesIO, StringIO
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from unittest.mock import patch
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import orjson
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import pyvips
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from django.conf import settings
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from django.http import HttpRequest
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from django.test import override_settings
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from zerver.lib.test_classes import ZulipTestCase
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from zerver.lib.test_helpers import (
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consume_response,
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get_test_image_file,
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ratelimit_rule,
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read_test_image_file,
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)
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from zerver.lib.thumbnail import (
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BadImageError,
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BaseThumbnailFormat,
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StoredThumbnailFormat,
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ThumbnailFormat,
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get_image_thumbnail_path,
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get_transcoded_format,
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missing_thumbnails,
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resize_emoji,
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split_thumbnail_path,
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)
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from zerver.lib.upload import (
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all_message_attachments,
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attachment_source,
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create_attachment,
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save_attachment_contents,
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upload_backend,
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)
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from zerver.models import Attachment, ImageAttachment
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from zerver.views.upload import closest_thumbnail_format
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from zerver.worker.thumbnail import ensure_thumbnails
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class ThumbnailRedirectEndpointTest(ZulipTestCase):
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"""Tests for the legacy /thumbnail endpoint."""
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def test_thumbnail_upload_redirect(self) -> None:
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self.login("hamlet")
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fp = StringIO("zulip!")
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fp.name = "zulip.jpeg"
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result = self.client_post("/json/user_uploads", {"file": fp})
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self.assert_json_success(result)
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json = orjson.loads(result.content)
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self.assertIn("uri", json)
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self.assertIn("url", json)
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url = json["url"]
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self.assertEqual(json["uri"], url)
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base = "/user_uploads/"
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self.assertEqual(base, url[: len(base)])
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result = self.client_get("/thumbnail", {"url": url.removeprefix("/"), "size": "full"})
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self.assertEqual(result.status_code, 200)
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self.assertEqual(result.getvalue(), b"zulip!")
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self.login("iago")
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result = self.client_get("/thumbnail", {"url": url.removeprefix("/"), "size": "full"})
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self.assertEqual(result.status_code, 403, result)
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self.assert_in_response("You are not authorized to view this file.", result)
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def test_thumbnail_external_redirect(self) -> None:
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url = "https://www.google.com/images/srpr/logo4w.png"
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result = self.client_get("/thumbnail", {"url": url, "size": "full"})
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self.assertEqual(result.status_code, 403)
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url = "http://www.google.com/images/srpr/logo4w.png"
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result = self.client_get("/thumbnail", {"url": url, "size": "full"})
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self.assertEqual(result.status_code, 403)
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url = "//www.google.com/images/srpr/logo4w.png"
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result = self.client_get("/thumbnail", {"url": url, "size": "full"})
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self.assertEqual(result.status_code, 403)
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@override_settings(RATE_LIMITING=True)
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def test_thumbnail_redirect_for_spectator(self) -> None:
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self.login("hamlet")
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fp = StringIO("zulip!")
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fp.name = "zulip.jpeg"
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result = self.client_post("/json/user_uploads", {"file": fp})
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self.assert_json_success(result)
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json = orjson.loads(result.content)
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url = json["url"]
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self.assertEqual(json["uri"], url)
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with ratelimit_rule(86400, 1000, domain="spectator_attachment_access_by_file"):
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# Deny file access for non-web-public stream
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self.subscribe(self.example_user("hamlet"), "Denmark")
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host = self.example_user("hamlet").realm.host
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body = f"First message ...[zulip.txt](http://{host}" + url + ")"
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self.send_stream_message(self.example_user("hamlet"), "Denmark", body, "test")
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self.logout()
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response = self.client_get("/thumbnail", {"url": url.removeprefix("/"), "size": "full"})
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self.assertEqual(response.status_code, 302)
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self.assertTrue(response["Location"].startswith("/accounts/login/?next="))
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# Allow file access for web-public stream
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self.login("hamlet")
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self.make_stream("web-public-stream", is_web_public=True)
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self.subscribe(self.example_user("hamlet"), "web-public-stream")
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body = f"First message ...[zulip.txt](http://{host}" + url + ")"
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self.send_stream_message(self.example_user("hamlet"), "web-public-stream", body, "test")
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self.logout()
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response = self.client_get("/thumbnail", {"url": url.removeprefix("/"), "size": "full"})
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self.assertEqual(response.status_code, 200)
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consume_response(response)
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# Deny file access since rate limited
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with ratelimit_rule(86400, 0, domain="spectator_attachment_access_by_file"):
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response = self.client_get("/thumbnail", {"url": url.removeprefix("/"), "size": "full"})
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self.assertEqual(response.status_code, 302)
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self.assertTrue(response["Location"].startswith("/accounts/login/?next="))
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# Deny random file access
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response = self.client_get(
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"/thumbnail",
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{
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"url": "user_uploads/2/71/QYB7LA-ULMYEad-QfLMxmI2e/zulip-non-existent.txt",
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"size": "full",
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},
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)
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self.assertEqual(response.status_code, 404)
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class ThumbnailEmojiTest(ZulipTestCase):
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def animated_test(self, filename: str) -> None:
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animated_unequal_img_data = read_test_image_file(filename)
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original_image = pyvips.Image.new_from_buffer(animated_unequal_img_data, "n=-1")
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resized_img_data, still_img_data = resize_emoji(
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animated_unequal_img_data, filename, size=50
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)
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assert still_img_data is not None
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emoji_image = pyvips.Image.new_from_buffer(resized_img_data, "n=-1")
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self.assertEqual(emoji_image.get("vips-loader"), "gifload_buffer")
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self.assertEqual(emoji_image.get_n_pages(), original_image.get_n_pages())
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self.assertEqual(emoji_image.get("page-height"), 50)
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self.assertEqual(emoji_image.height, 150)
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self.assertEqual(emoji_image.width, 50)
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still_image = pyvips.Image.new_from_buffer(still_img_data, "")
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self.assertEqual(still_image.get("vips-loader"), "pngload_buffer")
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self.assertEqual(still_image.get_n_pages(), 1)
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self.assertEqual(still_image.height, 50)
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self.assertEqual(still_image.width, 50)
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def test_resize_animated_square(self) -> None:
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"""An animated image which is square"""
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self.animated_test("animated_large_img.gif")
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def test_resize_animated_emoji(self) -> None:
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"""An animated image which is not square"""
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self.animated_test("animated_unequal_img.gif")
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def test_resize_corrupt_emoji(self) -> None:
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corrupted_img_data = read_test_image_file("corrupt.gif")
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with self.assertRaises(BadImageError):
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resize_emoji(corrupted_img_data, "corrupt.gif")
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def test_resize_too_many_pixels(self) -> None:
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"""An image file with too many pixels is not resized"""
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bomb_img_data = read_test_image_file("bomb.png")
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with self.assertRaises(BadImageError):
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resize_emoji(bomb_img_data, "bomb.png", size=50)
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def test_animated_resize_too_many_pixels(self) -> None:
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with patch("zerver.lib.thumbnail.IMAGE_BOMB_TOTAL_PIXELS", 100000):
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# This image is 256 * 256 with 3 frames, so 196k pixels.
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# When resizing emoji, we want to show the whole
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# animation, so every pixel on every frame counts
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animated_large_img_data = read_test_image_file("animated_large_img.gif")
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with self.assertRaises(BadImageError):
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resize_emoji(animated_large_img_data, "animated_large_img.gif", size=50)
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def test_resize_still_gif(self) -> None:
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"""A non-animated square emoji resize"""
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still_large_img_data = read_test_image_file("still_large_img.gif")
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resized_img_data, no_still_data = resize_emoji(
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still_large_img_data, "still_large_img.gif", size=50
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)
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emoji_image = pyvips.Image.new_from_buffer(resized_img_data, "n=-1")
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self.assertEqual(emoji_image.get("vips-loader"), "gifload_buffer")
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self.assertEqual(emoji_image.height, 50)
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self.assertEqual(emoji_image.width, 50)
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self.assertEqual(emoji_image.get_n_pages(), 1)
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assert no_still_data is None
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def test_resize_still_jpg(self) -> None:
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"""A non-animatatable format resize"""
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still_large_img_data = read_test_image_file("img.jpg")
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resized_img_data, no_still_data = resize_emoji(still_large_img_data, "img.jpg", size=50)
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emoji_image = pyvips.Image.new_from_buffer(resized_img_data, "")
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self.assertEqual(emoji_image.get("vips-loader"), "jpegload_buffer")
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self.assertEqual(emoji_image.height, 50)
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self.assertEqual(emoji_image.width, 50)
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self.assertEqual(emoji_image.get_n_pages(), 1)
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assert no_still_data is None
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def test_non_image_format_wrong_content_type(self) -> None:
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"""A file that is not an image"""
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non_img_data = read_test_image_file("text.txt")
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with self.assertRaises(BadImageError):
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resize_emoji(non_img_data, "text.png", size=50)
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class ThumbnailClassesTest(ZulipTestCase):
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def test_class_equivalence(self) -> None:
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self.assertNotEqual(
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ThumbnailFormat("webp", 150, 100, animated=True, opts="Q=90"),
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"150x100-anim.webp",
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)
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self.assertEqual(
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ThumbnailFormat("webp", 150, 100, animated=True, opts="Q=90"),
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ThumbnailFormat("webp", 150, 100, animated=True, opts="Q=10"),
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)
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self.assertEqual(
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ThumbnailFormat("webp", 150, 100, animated=True, opts="Q=90"),
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BaseThumbnailFormat("webp", 150, 100, animated=True),
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)
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self.assertNotEqual(
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ThumbnailFormat("jpeg", 150, 100, animated=True, opts="Q=90"),
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ThumbnailFormat("webp", 150, 100, animated=True, opts="Q=90"),
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)
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self.assertNotEqual(
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ThumbnailFormat("webp", 300, 100, animated=True, opts="Q=90"),
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ThumbnailFormat("webp", 150, 100, animated=True, opts="Q=90"),
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)
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self.assertNotEqual(
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ThumbnailFormat("webp", 150, 100, animated=False, opts="Q=90"),
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ThumbnailFormat("webp", 150, 100, animated=True, opts="Q=90"),
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)
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# We can compare stored thumbnails, with much more metadata,
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# to the thumbnail formats that spec how they are generated
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self.assertEqual(
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ThumbnailFormat("webp", 150, 100, animated=False, opts="Q=90"),
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StoredThumbnailFormat(
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"webp",
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150,
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100,
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animated=False,
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content_type="image/webp",
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width=120,
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height=100,
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byte_size=123,
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),
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)
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# But differences in the base four properties mean they are not equal
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self.assertNotEqual(
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ThumbnailFormat("webp", 150, 100, animated=False, opts="Q=90"),
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StoredThumbnailFormat(
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"webp",
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150,
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100,
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animated=True, # Note this change
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content_type="image/webp",
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width=120,
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height=100,
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byte_size=123,
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),
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)
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def test_stringification(self) -> None:
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# These formats need to be stable, since they are written into URLs in the messages.
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self.assertEqual(
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str(ThumbnailFormat("webp", 150, 100, animated=False)),
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"150x100.webp",
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)
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self.assertEqual(
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str(ThumbnailFormat("webp", 150, 100, animated=True)),
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"150x100-anim.webp",
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)
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# And they should round-trip into BaseThumbnailFormat, losing the opts= which we do not serialize
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thumb_format = ThumbnailFormat("webp", 150, 100, animated=True, opts="Q=90")
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self.assertEqual(thumb_format.extension, "webp")
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self.assertEqual(thumb_format.max_width, 150)
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self.assertEqual(thumb_format.max_height, 100)
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self.assertEqual(thumb_format.animated, True)
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round_trip = BaseThumbnailFormat.from_string(str(thumb_format))
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assert round_trip is not None
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self.assertEqual(thumb_format, round_trip)
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self.assertEqual(round_trip.extension, "webp")
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self.assertEqual(round_trip.max_width, 150)
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self.assertEqual(round_trip.max_height, 100)
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self.assertEqual(round_trip.animated, True)
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self.assertIsNone(BaseThumbnailFormat.from_string("bad.webp"))
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class TestStoreThumbnail(ZulipTestCase):
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def test_upload_image(self) -> None:
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assert settings.LOCAL_FILES_DIR
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self.login_user(self.example_user("hamlet"))
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with (
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self.thumbnail_formats(ThumbnailFormat("webp", 100, 75, animated=True)),
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self.captureOnCommitCallbacks(execute=True),
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):
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with get_test_image_file("animated_unequal_img.gif") as image_file:
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response = self.assert_json_success(
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self.client_post("/json/user_uploads", {"file": image_file})
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)
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path_id = re.sub(r"/user_uploads/", "", response["url"])
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self.assertEqual(Attachment.objects.filter(path_id=path_id).count(), 1)
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image_attachment = ImageAttachment.objects.get(path_id=path_id)
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self.assertEqual(image_attachment.original_height_px, 56)
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self.assertEqual(image_attachment.original_width_px, 128)
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self.assertEqual(image_attachment.frames, 3)
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self.assertEqual(image_attachment.thumbnail_metadata, [])
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self.assertEqual(
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[r[0] for r in all_message_attachments(include_thumbnails=True)],
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[path_id],
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)
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# The worker triggers when we exit this block and call the pending callbacks
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image_attachment = ImageAttachment.objects.get(path_id=path_id)
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self.assert_length(image_attachment.thumbnail_metadata, 1)
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generated_thumbnail = StoredThumbnailFormat(**image_attachment.thumbnail_metadata[0])
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self.assertEqual(str(generated_thumbnail), "100x75-anim.webp")
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self.assertEqual(generated_thumbnail.animated, True)
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self.assertEqual(generated_thumbnail.width, 100)
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self.assertEqual(generated_thumbnail.height, 44)
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self.assertEqual(generated_thumbnail.content_type, "image/webp")
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self.assertGreater(generated_thumbnail.byte_size, 200)
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self.assertLess(generated_thumbnail.byte_size, 2 * 1024)
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self.assertEqual(
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get_image_thumbnail_path(image_attachment, generated_thumbnail),
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f"thumbnail/{path_id}/100x75-anim.webp",
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)
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parsed_path = split_thumbnail_path(f"thumbnail/{path_id}/100x75-anim.webp")
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self.assertEqual(parsed_path[0], path_id)
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self.assertIsInstance(parsed_path[1], BaseThumbnailFormat)
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self.assertEqual(str(parsed_path[1]), str(generated_thumbnail))
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self.assertEqual(
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sorted([r[0] for r in all_message_attachments(include_thumbnails=True)]),
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sorted([path_id, f"thumbnail/{path_id}/100x75-anim.webp"]),
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)
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with BytesIO() as fh:
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save_attachment_contents(f"thumbnail/{path_id}/100x75-anim.webp", fh)
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thumbnailed_bytes = fh.getvalue()
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with pyvips.Image.new_from_buffer(thumbnailed_bytes, "") as thumbnailed_image:
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self.assertEqual(thumbnailed_image.get("vips-loader"), "webpload_buffer")
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self.assertEqual(thumbnailed_image.width, 100)
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self.assertEqual(thumbnailed_image.height, 44)
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self.assertEqual(thumbnailed_image.get_n_pages(), 2)
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with self.thumbnail_formats(ThumbnailFormat("webp", 100, 75, animated=True)):
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self.assertEqual(ensure_thumbnails(image_attachment), 0)
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self.assert_length(image_attachment.thumbnail_metadata, 1)
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with self.thumbnail_formats(ThumbnailFormat("webp", 150, 100, opts="Q=90", animated=False)):
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self.assertEqual(ensure_thumbnails(image_attachment), 1)
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self.assert_length(image_attachment.thumbnail_metadata, 2)
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bigger_thumbnail = StoredThumbnailFormat(**image_attachment.thumbnail_metadata[1])
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self.assertEqual(str(bigger_thumbnail), "150x100.webp")
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self.assertEqual(bigger_thumbnail.animated, False)
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# We don't scale up, so these are the original dimensions
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self.assertEqual(bigger_thumbnail.width, 128)
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self.assertEqual(bigger_thumbnail.height, 56)
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self.assertEqual(bigger_thumbnail.content_type, "image/webp")
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self.assertGreater(bigger_thumbnail.byte_size, 200)
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self.assertLess(bigger_thumbnail.byte_size, 2 * 1024)
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with BytesIO() as fh:
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save_attachment_contents(f"thumbnail/{path_id}/150x100.webp", fh)
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thumbnailed_bytes = fh.getvalue()
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with pyvips.Image.new_from_buffer(thumbnailed_bytes, "") as thumbnailed_image:
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self.assertEqual(thumbnailed_image.get("vips-loader"), "webpload_buffer")
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self.assertEqual(thumbnailed_image.width, 128)
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self.assertEqual(thumbnailed_image.height, 56)
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self.assertEqual(thumbnailed_image.get_n_pages(), 1)
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self.assertEqual(
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sorted([r[0] for r in all_message_attachments(include_thumbnails=True)]),
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sorted(
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[
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path_id,
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f"thumbnail/{path_id}/100x75-anim.webp",
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f"thumbnail/{path_id}/150x100.webp",
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]
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),
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)
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def test_animated_resize_partial_frames(self) -> None:
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self.login_user(self.example_user("hamlet"))
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with self.thumbnail_formats(ThumbnailFormat("webp", 100, 75, animated=True)):
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with (
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patch("zerver.lib.thumbnail.IMAGE_MAX_ANIMATED_PIXELS", 100000),
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patch("zerver.worker.thumbnail.IMAGE_MAX_ANIMATED_PIXELS", 100000),
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get_test_image_file("animated_many_frames.gif") as image_file,
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):
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with self.captureOnCommitCallbacks(execute=True):
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response = self.assert_json_success(
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self.client_post("/json/user_uploads", {"file": image_file})
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)
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path_id = re.sub(r"/user_uploads/", "", response["url"])
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self.assertEqual(Attachment.objects.filter(path_id=path_id).count(), 1)
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image_attachment = ImageAttachment.objects.get(path_id=path_id)
|
|
self.assertEqual(image_attachment.original_height_px, 100)
|
|
self.assertEqual(image_attachment.original_width_px, 200)
|
|
# Metadata shows the total frame count
|
|
self.assertEqual(image_attachment.frames, 69)
|
|
# Exit the captureOnCommitCallbacks block and run thumbnailing
|
|
with BytesIO() as fh:
|
|
save_attachment_contents(f"thumbnail/{path_id}/100x75-anim.webp", fh)
|
|
thumbnailed_bytes = fh.getvalue()
|
|
with pyvips.Image.new_from_buffer(thumbnailed_bytes, "") as thumbnailed_image:
|
|
self.assertEqual(thumbnailed_image.get("vips-loader"), "webpload_buffer")
|
|
self.assertEqual(thumbnailed_image.width, 100)
|
|
self.assertEqual(thumbnailed_image.height, 50)
|
|
# IMAGE_MAX_ANIMATED_PIXELS means that we only
|
|
# thumbnail the first 5 frames (100k / (100 * 200))
|
|
self.assertEqual(thumbnailed_image.get_n_pages(), 5)
|
|
|
|
# If we have higher IMAGE_MAX_ANIMATED_PIXELS then we thumbnail all frames
|
|
with (
|
|
patch("zerver.lib.thumbnail.IMAGE_MAX_ANIMATED_PIXELS", 100 * 200 * 70),
|
|
patch("zerver.worker.thumbnail.IMAGE_MAX_ANIMATED_PIXELS", 100 * 200 * 70),
|
|
get_test_image_file("animated_many_frames.gif") as image_file,
|
|
):
|
|
with self.captureOnCommitCallbacks(execute=True):
|
|
response = self.assert_json_success(
|
|
self.client_post("/json/user_uploads", {"file": image_file})
|
|
)
|
|
path_id = re.sub(r"/user_uploads/", "", response["url"])
|
|
self.assertEqual(Attachment.objects.filter(path_id=path_id).count(), 1)
|
|
self.assertEqual(ImageAttachment.objects.filter(path_id=path_id).count(), 1)
|
|
with BytesIO() as fh:
|
|
save_attachment_contents(f"thumbnail/{path_id}/100x75-anim.webp", fh)
|
|
thumbnailed_bytes = fh.getvalue()
|
|
with pyvips.Image.new_from_buffer(thumbnailed_bytes, "") as thumbnailed_image:
|
|
self.assertEqual(thumbnailed_image.get_n_pages(), 69)
|
|
|
|
# If IMAGE_MAX_ANIMATED_PIXELS isn't enough to be able to
|
|
# fit 3 frames in, then we don't display a thumbnail at
|
|
# all.
|
|
with (
|
|
patch("zerver.lib.thumbnail.IMAGE_MAX_ANIMATED_PIXELS", 100 * 200),
|
|
patch("zerver.worker.thumbnail.IMAGE_MAX_ANIMATED_PIXELS", 100 * 200),
|
|
get_test_image_file("animated_many_frames.gif") as image_file,
|
|
):
|
|
response = self.assert_json_success(
|
|
self.client_post("/json/user_uploads", {"file": image_file})
|
|
)
|
|
path_id = re.sub(r"/user_uploads/", "", response["url"])
|
|
self.assertEqual(Attachment.objects.filter(path_id=path_id).count(), 1)
|
|
self.assertEqual(ImageAttachment.objects.filter(path_id=path_id).count(), 0)
|
|
|
|
def test_image_orientation(self) -> None:
|
|
self.login_user(self.example_user("hamlet"))
|
|
|
|
with (
|
|
self.thumbnail_formats(ThumbnailFormat("webp", 100, 75, animated=False)),
|
|
self.captureOnCommitCallbacks(execute=True),
|
|
):
|
|
with get_test_image_file("orientation.jpg") as image_file:
|
|
response = self.assert_json_success(
|
|
self.client_post("/json/user_uploads", {"file": image_file})
|
|
)
|
|
path_id = re.sub(r"/user_uploads/", "", response["url"])
|
|
self.assertEqual(Attachment.objects.filter(path_id=path_id).count(), 1)
|
|
|
|
image_attachment = ImageAttachment.objects.get(path_id=path_id)
|
|
# The bytes in this image are 100 wide, and 600 tall --
|
|
# however, it has EXIF orientation information which says
|
|
# to rotate it 270 degrees counter-clockwise.
|
|
self.assertEqual(image_attachment.original_height_px, 100)
|
|
self.assertEqual(image_attachment.original_width_px, 600)
|
|
|
|
# The worker triggers when we exit this block and call the pending callbacks
|
|
image_attachment = ImageAttachment.objects.get(path_id=path_id)
|
|
self.assert_length(image_attachment.thumbnail_metadata, 1)
|
|
generated_thumbnail = StoredThumbnailFormat(**image_attachment.thumbnail_metadata[0])
|
|
|
|
# The uploaded original content is technically "tall", not "wide", with a 270 CCW rotation set.
|
|
with BytesIO() as fh:
|
|
save_attachment_contents(path_id, fh)
|
|
thumbnailed_bytes = fh.getvalue()
|
|
with pyvips.Image.new_from_buffer(thumbnailed_bytes, "") as thumbnailed_image:
|
|
self.assertEqual(thumbnailed_image.get("vips-loader"), "jpegload_buffer")
|
|
self.assertEqual(thumbnailed_image.width, 100)
|
|
self.assertEqual(thumbnailed_image.height, 600)
|
|
self.assertEqual(thumbnailed_image.get("orientation"), 8) # 270 CCW rotation
|
|
|
|
# The generated thumbnail should be wide, not tall, with the default orientation
|
|
self.assertEqual(str(generated_thumbnail), "100x75.webp")
|
|
self.assertEqual(generated_thumbnail.width, 100)
|
|
self.assertEqual(generated_thumbnail.height, 17)
|
|
|
|
with BytesIO() as fh:
|
|
save_attachment_contents(f"thumbnail/{path_id}/100x75.webp", fh)
|
|
thumbnailed_bytes = fh.getvalue()
|
|
with pyvips.Image.new_from_buffer(thumbnailed_bytes, "") as thumbnailed_image:
|
|
self.assertEqual(thumbnailed_image.get("vips-loader"), "webpload_buffer")
|
|
self.assertEqual(thumbnailed_image.width, 100)
|
|
self.assertEqual(thumbnailed_image.height, 17)
|
|
self.assertEqual(thumbnailed_image.get("orientation"), 1)
|
|
|
|
def test_big_upload(self) -> None:
|
|
# We decline to treat as an image a large single-frame image
|
|
self.login_user(self.example_user("hamlet"))
|
|
|
|
with get_test_image_file("img.gif") as image_file:
|
|
with patch.object(pyvips.Image, "new_from_buffer") as mock_from_buffer:
|
|
mock_from_buffer.return_value.width = 1000000
|
|
mock_from_buffer.return_value.height = 1000000
|
|
mock_from_buffer.return_value.get_n_pages.return_value = 1
|
|
response = self.assert_json_success(
|
|
self.client_post("/json/user_uploads", {"file": image_file})
|
|
)
|
|
path_id = re.sub(r"/user_uploads/", "", response["url"])
|
|
self.assertTrue(Attachment.objects.filter(path_id=path_id).exists())
|
|
self.assertFalse(ImageAttachment.objects.filter(path_id=path_id).exists())
|
|
|
|
def test_big_animated_upload(self) -> None:
|
|
# We support uploads of very large frame-count animations --
|
|
# we just do not include all of their frames in the thumbnail
|
|
# preview
|
|
self.login_user(self.example_user("hamlet"))
|
|
with (
|
|
get_test_image_file("img.gif") as image_file,
|
|
patch.object(pyvips.Image, "new_from_buffer") as mock_from_buffer,
|
|
patch("zerver.lib.thumbnail.IMAGE_MAX_ANIMATED_PIXELS", 100000),
|
|
):
|
|
# A 1000x1000 image has too many pixels to show three frames, so we don't include it
|
|
mock_from_buffer.return_value.width = 1000
|
|
mock_from_buffer.return_value.height = 1000
|
|
mock_from_buffer.return_value.get_n_pages.return_value = 1000000
|
|
response = self.assert_json_success(
|
|
self.client_post("/json/user_uploads", {"file": image_file})
|
|
)
|
|
path_id = re.sub(r"/user_uploads/", "", response["url"])
|
|
self.assertTrue(Attachment.objects.filter(path_id=path_id).exists())
|
|
self.assertFalse(ImageAttachment.objects.filter(path_id=path_id).exists())
|
|
|
|
# A 100x100 image, we'll thumbnail the first few frames of.
|
|
mock_from_buffer.return_value.width = 100
|
|
mock_from_buffer.return_value.height = 100
|
|
mock_from_buffer.return_value.get_n_pages.return_value = 1000000
|
|
response = self.assert_json_success(
|
|
self.client_post("/json/user_uploads", {"file": image_file})
|
|
)
|
|
path_id = re.sub(r"/user_uploads/", "", response["url"])
|
|
self.assertTrue(Attachment.objects.filter(path_id=path_id).exists())
|
|
self.assertTrue(ImageAttachment.objects.filter(path_id=path_id).exists())
|
|
|
|
def test_bad_upload(self) -> None:
|
|
assert settings.LOCAL_FILES_DIR
|
|
hamlet = self.example_user("hamlet")
|
|
self.login_user(hamlet)
|
|
|
|
with self.captureOnCommitCallbacks(execute=True):
|
|
with get_test_image_file("truncated.gif") as image_file:
|
|
response = self.assert_json_success(
|
|
self.client_post("/json/user_uploads", {"file": image_file})
|
|
)
|
|
path_id = re.sub(r"/user_uploads/", "", response["url"])
|
|
self.assertEqual(Attachment.objects.filter(path_id=path_id).count(), 1)
|
|
|
|
# This doesn't generate an ImageAttachment row because it's corrupted
|
|
self.assertEqual(ImageAttachment.objects.filter(path_id=path_id).count(), 0)
|
|
|
|
# Fake making one, based on if just part of the file is readable
|
|
image_attachment = ImageAttachment.objects.create(
|
|
realm_id=hamlet.realm_id,
|
|
path_id=path_id,
|
|
original_height_px=128,
|
|
original_width_px=128,
|
|
frames=1,
|
|
thumbnail_metadata=[],
|
|
content_type="image/gif",
|
|
)
|
|
with self.thumbnail_formats(ThumbnailFormat("webp", 100, 75, animated=False)):
|
|
self.assert_length(missing_thumbnails(image_attachment), 1)
|
|
|
|
with self.assertLogs("zerver.worker.thumbnail", level="ERROR") as error_log:
|
|
self.assertEqual(ensure_thumbnails(image_attachment), 0)
|
|
|
|
libvips_version = (pyvips.version(0), pyvips.version(1))
|
|
# This error message changed
|
|
if libvips_version < (8, 13): # nocoverage # branch varies with version
|
|
expected_message = "gifload_buffer: Insufficient data to do anything"
|
|
else: # nocoverage # branch varies with version
|
|
expected_message = "gifload_buffer: no frames in GIF"
|
|
self.assertTrue(expected_message in error_log.output[0])
|
|
|
|
# It should have now been removed
|
|
self.assertEqual(ImageAttachment.objects.filter(path_id=path_id).count(), 0)
|
|
|
|
def test_missing_thumbnails(self) -> None:
|
|
image_attachment = ImageAttachment(
|
|
path_id="example",
|
|
original_width_px=150,
|
|
original_height_px=100,
|
|
frames=1,
|
|
thumbnail_metadata=[],
|
|
content_type="image/png",
|
|
)
|
|
with self.thumbnail_formats():
|
|
self.assertEqual(missing_thumbnails(image_attachment), [])
|
|
|
|
still_webp = ThumbnailFormat("webp", 100, 75, animated=False, opts="Q=90")
|
|
with self.thumbnail_formats(still_webp):
|
|
self.assertEqual(missing_thumbnails(image_attachment), [still_webp])
|
|
|
|
anim_webp = ThumbnailFormat("webp", 100, 75, animated=True, opts="Q=90")
|
|
with self.thumbnail_formats(still_webp, anim_webp):
|
|
# It's not animated, so the animated format doesn't appear at all
|
|
self.assertEqual(missing_thumbnails(image_attachment), [still_webp])
|
|
|
|
still_jpeg = ThumbnailFormat("jpeg", 100, 75, animated=False, opts="Q=90")
|
|
with self.thumbnail_formats(still_webp, anim_webp, still_jpeg):
|
|
# But other still formats do
|
|
self.assertEqual(missing_thumbnails(image_attachment), [still_webp, still_jpeg])
|
|
|
|
# If we have a rendered 150x100.webp, then we're not missing it
|
|
rendered_still_webp = StoredThumbnailFormat(
|
|
"webp",
|
|
100,
|
|
75,
|
|
animated=False,
|
|
width=150,
|
|
height=50,
|
|
content_type="image/webp",
|
|
byte_size=1234,
|
|
)
|
|
image_attachment.thumbnail_metadata = [asdict(rendered_still_webp)]
|
|
with self.thumbnail_formats(still_webp, anim_webp, still_jpeg):
|
|
self.assertEqual(missing_thumbnails(image_attachment), [still_jpeg])
|
|
|
|
# If we have the still, and it's animated, we do still need the animated
|
|
image_attachment.frames = 10
|
|
with self.thumbnail_formats(still_webp, anim_webp, still_jpeg):
|
|
self.assertEqual(missing_thumbnails(image_attachment), [anim_webp, still_jpeg])
|
|
|
|
def test_transcoded_format(self) -> None:
|
|
image_attachment = ImageAttachment(
|
|
path_id="example",
|
|
original_width_px=150,
|
|
original_height_px=100,
|
|
frames=1,
|
|
thumbnail_metadata=[],
|
|
content_type="image/tiff",
|
|
)
|
|
still_webp = ThumbnailFormat("webp", 100, 75, animated=False, opts="Q=90")
|
|
with self.thumbnail_formats(still_webp):
|
|
# We add a high-resolution transcoded format if the image isn't in INLINE_MIME_TYPES:
|
|
transcoded = ThumbnailFormat("webp", 4032, 3024, animated=False)
|
|
self.assertEqual(missing_thumbnails(image_attachment), [still_webp, transcoded])
|
|
|
|
# We flip to being portrait if the image is higher than it is wide
|
|
transcoded = ThumbnailFormat("webp", 3024, 4032, animated=False)
|
|
image_attachment.original_height_px = 300
|
|
self.assertEqual(missing_thumbnails(image_attachment), [still_webp, transcoded])
|
|
|
|
# The format is not animated, even if the original was
|
|
image_attachment.original_height_px = 100
|
|
image_attachment.frames = 10
|
|
transcoded = ThumbnailFormat("webp", 4032, 3024, animated=False)
|
|
self.assertEqual(missing_thumbnails(image_attachment), [still_webp, transcoded])
|
|
|
|
# We do not store on the image_attachment if we generated
|
|
# a transcoded version; it just picks the largest format
|
|
# if one is called for.
|
|
self.assertEqual(get_transcoded_format(image_attachment), None)
|
|
image_attachment.thumbnail_metadata = [
|
|
asdict(
|
|
StoredThumbnailFormat(
|
|
"webp",
|
|
100,
|
|
75,
|
|
animated=False,
|
|
content_type="image/webp",
|
|
width=100,
|
|
height=75,
|
|
byte_size=100,
|
|
)
|
|
),
|
|
asdict(
|
|
StoredThumbnailFormat(
|
|
"webp",
|
|
840,
|
|
560,
|
|
animated=False,
|
|
content_type="image/webp",
|
|
width=747,
|
|
height=560,
|
|
byte_size=800,
|
|
)
|
|
),
|
|
asdict(
|
|
StoredThumbnailFormat(
|
|
"webp",
|
|
4032,
|
|
3024,
|
|
animated=False,
|
|
content_type="image/webp",
|
|
width=4032,
|
|
height=3024,
|
|
byte_size=2000,
|
|
)
|
|
),
|
|
]
|
|
self.assertEqual(
|
|
get_transcoded_format(image_attachment),
|
|
ThumbnailFormat("webp", 4032, 3024, animated=False),
|
|
)
|
|
image_attachment.content_type = "image/png"
|
|
self.assertEqual(get_transcoded_format(image_attachment), None)
|
|
image_attachment.content_type = None
|
|
self.assertEqual(get_transcoded_format(image_attachment), None)
|
|
|
|
def test_maybe_thumbnail_from_stream(self) -> None:
|
|
# If we put the file in place directly (e.g. simulating a
|
|
# chunked upload), and then use the streaming source to
|
|
# create the attachment, we still thumbnail correctly.
|
|
hamlet = self.example_user("hamlet")
|
|
path_id = upload_backend.generate_message_upload_path(str(hamlet.realm.id), "img.png")
|
|
upload_backend.upload_message_attachment(
|
|
path_id, "img.png", "image/png", read_test_image_file("img.png"), hamlet
|
|
)
|
|
source = attachment_source(path_id)
|
|
create_attachment("img.png", path_id, "image/png", source, hamlet, hamlet.realm)
|
|
self.assertTrue(ImageAttachment.objects.filter(path_id=path_id).exists())
|
|
|
|
|
|
class TestThumbnailRetrieval(ZulipTestCase):
|
|
def test_get_thumbnail(self) -> None:
|
|
assert settings.LOCAL_FILES_DIR
|
|
hamlet = self.example_user("hamlet")
|
|
self.login_user(hamlet)
|
|
|
|
webp_anim = ThumbnailFormat("webp", 100, 75, animated=True)
|
|
webp_still = ThumbnailFormat("webp", 100, 75, animated=False)
|
|
with self.thumbnail_formats(webp_anim, webp_still):
|
|
with (
|
|
self.captureOnCommitCallbacks(execute=True),
|
|
get_test_image_file("animated_unequal_img.gif") as image_file,
|
|
):
|
|
json_response = self.assert_json_success(
|
|
self.client_post("/json/user_uploads", {"file": image_file})
|
|
)
|
|
path_id = re.sub(r"/user_uploads/", "", json_response["url"])
|
|
|
|
# Image itself is available immediately
|
|
response = self.client_get(f"/user_uploads/{path_id}")
|
|
self.assertEqual(response.status_code, 200)
|
|
self.assertEqual(response.headers["Content-Type"], "image/gif")
|
|
consume_response(response)
|
|
|
|
# Format we don't have
|
|
response = self.client_get(f"/user_uploads/thumbnail/{path_id}/1x1.png")
|
|
self.assertEqual(response.status_code, 404)
|
|
self.assertEqual(response.headers["Content-Type"], "image/png")
|
|
consume_response(response)
|
|
|
|
# Exit the block, triggering the thumbnailing worker
|
|
|
|
thumbnail_response = self.client_get(
|
|
f"/user_uploads/thumbnail/{path_id}/{webp_still!s}"
|
|
)
|
|
self.assertEqual(thumbnail_response.status_code, 200)
|
|
self.assertEqual(thumbnail_response.headers["Content-Type"], "image/webp")
|
|
self.assertLess(
|
|
int(thumbnail_response.headers["Content-Length"]),
|
|
int(response.headers["Content-Length"]),
|
|
)
|
|
consume_response(thumbnail_response)
|
|
|
|
animated_response = self.client_get(f"/user_uploads/thumbnail/{path_id}/{webp_anim!s}")
|
|
self.assertEqual(animated_response.status_code, 200)
|
|
self.assertEqual(animated_response.headers["Content-Type"], "image/webp")
|
|
self.assertLess(
|
|
int(thumbnail_response.headers["Content-Length"]),
|
|
int(animated_response.headers["Content-Length"]),
|
|
)
|
|
consume_response(animated_response)
|
|
|
|
# Invalid thumbnail format
|
|
response = self.client_get(f"/user_uploads/thumbnail/{path_id}/bogus")
|
|
self.assertEqual(response.status_code, 404)
|
|
self.assertEqual(response.headers["Content-Type"], "image/png")
|
|
consume_response(response)
|
|
|
|
# path_id for a non-image
|
|
with (
|
|
self.captureOnCommitCallbacks(execute=True),
|
|
get_test_image_file("text.txt") as text_file,
|
|
):
|
|
json_response = self.assert_json_success(
|
|
self.client_post("/json/user_uploads", {"file": text_file})
|
|
)
|
|
text_path_id = re.sub(r"/user_uploads/", "", json_response["url"])
|
|
response = self.client_get(f"/user_uploads/thumbnail/{text_path_id}/{webp_still!s}")
|
|
self.assertEqual(response.status_code, 404)
|
|
self.assertEqual(response.headers["Content-Type"], "image/png")
|
|
consume_response(response)
|
|
|
|
# Shrink the list of formats, and check that we can still get
|
|
# the thumbnails that were generated at the time
|
|
with self.thumbnail_formats(webp_still):
|
|
response = self.client_get(f"/user_uploads/thumbnail/{path_id}/{webp_still!s}")
|
|
self.assertEqual(response.status_code, 200)
|
|
consume_response(response)
|
|
|
|
response = self.client_get(f"/user_uploads/thumbnail/{path_id}/{webp_anim!s}")
|
|
self.assertEqual(response.status_code, 200)
|
|
consume_response(response)
|
|
|
|
# Grow the format list, and check that fetching that new
|
|
# format generates all of the missing formats
|
|
jpeg_still = ThumbnailFormat("jpg", 100, 75, animated=False)
|
|
big_jpeg_still = ThumbnailFormat("jpg", 200, 150, animated=False)
|
|
with (
|
|
self.thumbnail_formats(webp_still, jpeg_still, big_jpeg_still),
|
|
patch.object(
|
|
pyvips.Image, "thumbnail_buffer", wraps=pyvips.Image.thumbnail_buffer
|
|
) as thumb_mock,
|
|
):
|
|
small_response = self.client_get(f"/user_uploads/thumbnail/{path_id}/{jpeg_still!s}")
|
|
self.assertEqual(small_response.status_code, 200)
|
|
self.assertEqual(small_response.headers["Content-Type"], "image/jpeg")
|
|
consume_response(small_response)
|
|
# This made two thumbnails
|
|
self.assertEqual(thumb_mock.call_count, 2)
|
|
|
|
thumb_mock.reset_mock()
|
|
big_response = self.client_get(f"/user_uploads/thumbnail/{path_id}/{big_jpeg_still!s}")
|
|
self.assertEqual(big_response.status_code, 200)
|
|
self.assertEqual(big_response.headers["Content-Type"], "image/jpeg")
|
|
consume_response(big_response)
|
|
thumb_mock.assert_not_called()
|
|
|
|
self.assertLess(
|
|
int(small_response.headers["Content-Length"]),
|
|
int(big_response.headers["Content-Length"]),
|
|
)
|
|
|
|
# Upload a static image, and verify that we only generate the still versions
|
|
with self.thumbnail_formats(webp_anim, webp_still, jpeg_still):
|
|
with (
|
|
self.captureOnCommitCallbacks(execute=True),
|
|
get_test_image_file("img.tif") as image_file,
|
|
):
|
|
json_response = self.assert_json_success(
|
|
self.client_post("/json/user_uploads", {"file": image_file})
|
|
)
|
|
path_id = re.sub(r"/user_uploads/", "", json_response["url"])
|
|
# Exit the block, triggering the thumbnailing worker
|
|
|
|
still_response = self.client_get(f"/user_uploads/thumbnail/{path_id}/{webp_still!s}")
|
|
self.assertEqual(still_response.status_code, 200)
|
|
self.assertEqual(still_response.headers["Content-Type"], "image/webp")
|
|
consume_response(still_response)
|
|
|
|
# We can request -anim -- we didn't render it, but we the
|
|
# "closest we rendered" logic kicks in, and we get the
|
|
# still webp, rather than a 404
|
|
animated_response = self.client_get(f"/user_uploads/thumbnail/{path_id}/{webp_anim!s}")
|
|
self.assertEqual(animated_response.status_code, 200)
|
|
self.assertEqual(animated_response.headers["Content-Type"], "image/webp")
|
|
consume_response(animated_response)
|
|
# Double-check that we don't actually have the animated version, by comparing file sizes
|
|
self.assertEqual(
|
|
animated_response.headers["Content-Length"],
|
|
still_response.headers["Content-Length"],
|
|
)
|
|
|
|
response = self.client_get(f"/user_uploads/thumbnail/{path_id}/{jpeg_still!s}")
|
|
self.assertEqual(response.status_code, 200)
|
|
self.assertEqual(response.headers["Content-Type"], "image/jpeg")
|
|
consume_response(response)
|
|
|
|
def test_closest_format(self) -> None:
|
|
self.login_user(self.example_user("hamlet"))
|
|
|
|
webp_anim = ThumbnailFormat("webp", 100, 75, animated=True)
|
|
webp_still = ThumbnailFormat("webp", 100, 75, animated=False)
|
|
tiny_webp_still = ThumbnailFormat("webp", 10, 10, animated=False)
|
|
gif_still = ThumbnailFormat("gif", 100, 75, animated=False)
|
|
with (
|
|
self.thumbnail_formats(webp_anim, webp_still, tiny_webp_still, gif_still),
|
|
self.captureOnCommitCallbacks(execute=True),
|
|
get_test_image_file("animated_img.gif") as image_file,
|
|
):
|
|
json_response = self.assert_json_success(
|
|
self.client_post("/json/user_uploads", {"file": image_file})
|
|
)
|
|
path_id = re.sub(r"/user_uploads/", "", json_response["url"])
|
|
# Exit the block, triggering the thumbnailing worker
|
|
|
|
image_attachment = ImageAttachment.objects.get(path_id=path_id)
|
|
rendered_formats = [
|
|
StoredThumbnailFormat(**data) for data in image_attachment.thumbnail_metadata
|
|
]
|
|
request = HttpRequest()
|
|
request.META["HTTP_ACCEPT"] = "image/webp, image/*, */*;q=0.8"
|
|
|
|
# Prefer to match -animated, even though we have a .gif
|
|
self.assertEqual(
|
|
str(
|
|
closest_thumbnail_format(
|
|
ThumbnailFormat("gif", 100, 75, animated=True), request, rendered_formats
|
|
)
|
|
),
|
|
"100x75-anim.webp",
|
|
)
|
|
|
|
# Match the extension, even if we're an exact match for a different size
|
|
self.assertEqual(
|
|
str(
|
|
closest_thumbnail_format(
|
|
ThumbnailFormat("gif", 10, 10, animated=False), request, rendered_formats
|
|
)
|
|
),
|
|
"100x75.gif",
|
|
)
|
|
|
|
# If they request an extension we don't do, then we look for the formats they prefer
|
|
self.assertEqual(
|
|
str(
|
|
closest_thumbnail_format(
|
|
ThumbnailFormat("tif", 10, 10, animated=False), request, rendered_formats
|
|
)
|
|
),
|
|
"10x10.webp",
|
|
)
|
|
request = HttpRequest()
|
|
request.META["HTTP_ACCEPT"] = "image/webp;q=0.9, image/gif"
|
|
self.assertEqual(
|
|
str(
|
|
closest_thumbnail_format(
|
|
ThumbnailFormat("tif", 10, 10, animated=False), request, rendered_formats
|
|
)
|
|
),
|
|
"100x75.gif",
|
|
)
|
|
request = HttpRequest()
|
|
request.META["HTTP_ACCEPT"] = "image/gif"
|
|
self.assertEqual(
|
|
str(
|
|
closest_thumbnail_format(
|
|
ThumbnailFormat("tif", 10, 10, animated=False), request, rendered_formats
|
|
)
|
|
),
|
|
"100x75.gif",
|
|
)
|
|
|
|
# Closest width
|
|
request = HttpRequest()
|
|
request.META["HTTP_ACCEPT"] = "image/webp, image/*, */*;q=0.8"
|
|
self.assertEqual(
|
|
str(
|
|
closest_thumbnail_format(
|
|
ThumbnailFormat("webp", 20, 100, animated=False), request, rendered_formats
|
|
)
|
|
),
|
|
"10x10.webp",
|
|
)
|
|
self.assertEqual(
|
|
str(
|
|
closest_thumbnail_format(
|
|
ThumbnailFormat("webp", 80, 10, animated=False), request, rendered_formats
|
|
)
|
|
),
|
|
"100x75.webp",
|
|
)
|
|
|
|
# Smallest filesize if they have no media preference
|
|
request = HttpRequest()
|
|
request.META["HTTP_ACCEPT"] = "image/gif, image/webp"
|
|
self.assertEqual(
|
|
str(
|
|
closest_thumbnail_format(
|
|
ThumbnailFormat("tif", 100, 75, animated=False), request, rendered_formats
|
|
)
|
|
),
|
|
"100x75.webp",
|
|
)
|