2019-05-03 06:17:27 +08:00
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# frozen_string_literal: true
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2013-11-06 02:04:47 +08:00
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require "digest/sha1"
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2013-02-06 03:16:51 +08:00
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class Upload < ActiveRecord::Base
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2020-09-17 11:35:29 +08:00
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self.ignored_columns = [
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"verified" # TODO(2020-12-10): remove
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]
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2019-02-21 10:13:37 +08:00
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include ActionView::Helpers::NumberHelper
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2019-04-09 04:37:35 +08:00
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include HasUrl
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2019-02-21 10:13:37 +08:00
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2018-09-10 10:10:39 +08:00
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SHA1_LENGTH = 40
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2019-01-02 15:29:17 +08:00
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SEEDED_ID_THRESHOLD = 0
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2020-07-04 01:16:54 +08:00
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URL_REGEX ||= /(\/original\/\dX[\/\.\w]*\/(\h+)[\.\w]*)/
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2021-04-12 11:55:54 +08:00
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MAX_IDENTIFY_SECONDS = 5
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2018-09-10 10:10:39 +08:00
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2013-02-06 03:16:51 +08:00
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belongs_to :user
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2020-01-16 11:50:27 +08:00
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belongs_to :access_control_post, class_name: 'Post'
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2013-02-06 03:16:51 +08:00
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2020-03-03 07:03:58 +08:00
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# when we access this post we don't care if the post
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# is deleted
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def access_control_post
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Post.unscoped { super }
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end
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2013-11-06 02:04:47 +08:00
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has_many :post_uploads, dependent: :destroy
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2013-06-14 05:44:24 +08:00
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has_many :posts, through: :post_uploads
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2013-06-13 07:43:50 +08:00
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2013-06-21 15:34:02 +08:00
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has_many :optimized_images, dependent: :destroy
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2018-09-20 13:33:10 +08:00
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has_many :user_uploads, dependent: :destroy
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FEATURE: Include optimized thumbnails for topics (#9215)
This introduces new APIs for obtaining optimized thumbnails for topics. There are a few building blocks required for this:
- Introduces new `image_upload_id` columns on the `posts` and `topics` table. This replaces the old `image_url` column, which means that thumbnails are now restricted to uploads. Hotlinked thumbnails are no longer possible. In normal use (with pull_hotlinked_images enabled), this has no noticeable impact
- A migration attempts to match existing urls to upload records. If a match cannot be found then the posts will be queued for rebake
- Optimized thumbnails are generated during post_process_cooked. If thumbnails are missing when serializing a topic list, then a sidekiq job is queued
- Topic lists and topics now include a `thumbnails` key, which includes all the available images:
```
"thumbnails": [
{
"max_width": null,
"max_height": null,
"url": "//example.com/original-image.png",
"width": 1380,
"height": 1840
},
{
"max_width": 1024,
"max_height": 1024,
"url": "//example.com/optimized-image.png",
"width": 768,
"height": 1024
}
]
```
- Themes can request additional thumbnail sizes by using a modifier in their `about.json` file:
```
"modifiers": {
"topic_thumbnail_sizes": [
[200, 200],
[800, 800]
],
...
```
Remember that these are generated asynchronously, so your theme should include logic to fallback to other available thumbnails if your requested size has not yet been generated
- Two new raw plugin outlets are introduced, to improve the customisability of the topic list. `topic-list-before-columns` and `topic-list-before-link`
2020-05-05 16:07:50 +08:00
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has_many :topic_thumbnails
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2013-06-16 16:39:48 +08:00
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2017-06-13 04:41:29 +08:00
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attr_accessor :for_group_message
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2017-05-10 05:20:28 +08:00
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attr_accessor :for_theme
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2017-06-13 04:41:29 +08:00
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attr_accessor :for_private_message
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2018-04-19 19:30:31 +08:00
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attr_accessor :for_export
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2018-11-14 15:03:02 +08:00
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attr_accessor :for_site_setting
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2019-07-31 11:16:03 +08:00
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attr_accessor :for_gravatar
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2016-03-01 05:39:24 +08:00
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2013-02-06 03:16:51 +08:00
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validates_presence_of :filesize
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validates_presence_of :original_filename
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2019-10-02 12:01:53 +08:00
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validates_with UploadValidator
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2014-04-15 04:55:57 +08:00
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2020-08-18 08:55:16 +08:00
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before_destroy do
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UserProfile.where(card_background_upload_id: self.id).update_all(card_background_upload_id: nil)
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UserProfile.where(profile_background_upload_id: self.id).update_all(profile_background_upload_id: nil)
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end
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2018-08-31 12:46:22 +08:00
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after_destroy do
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User.where(uploaded_avatar_id: self.id).update_all(uploaded_avatar_id: nil)
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UserAvatar.where(gravatar_upload_id: self.id).update_all(gravatar_upload_id: nil)
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UserAvatar.where(custom_upload_id: self.id).update_all(custom_upload_id: nil)
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end
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2019-01-02 15:29:17 +08:00
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scope :by_users, -> { where("uploads.id > ?", SEEDED_ID_THRESHOLD) }
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2020-09-17 11:35:29 +08:00
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def self.verification_statuses
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@verification_statuses ||= Enum.new(
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unchecked: 1,
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verified: 2,
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invalid_etag: 3
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)
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end
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2018-11-14 15:03:02 +08:00
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def to_s
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self.url
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end
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2018-08-28 10:48:43 +08:00
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def thumbnail(width = self.thumbnail_width, height = self.thumbnail_height)
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2014-05-06 21:41:59 +08:00
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optimized_images.find_by(width: width, height: height)
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2013-06-17 07:00:25 +08:00
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end
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2013-11-06 02:04:47 +08:00
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def has_thumbnail?(width, height)
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2013-09-27 16:55:50 +08:00
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thumbnail(width, height).present?
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2013-06-17 07:00:25 +08:00
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end
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2018-12-15 05:50:28 +08:00
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def create_thumbnail!(width, height, opts = nil)
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2013-06-17 07:00:25 +08:00
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return unless SiteSetting.create_thumbnails?
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2018-12-15 05:50:28 +08:00
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opts ||= {}
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2015-09-21 04:01:03 +08:00
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2018-08-17 12:00:27 +08:00
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if get_optimized_image(width, height, opts)
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2015-06-27 07:26:16 +08:00
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save(validate: false)
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2013-09-27 16:55:50 +08:00
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end
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2013-06-17 07:00:25 +08:00
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end
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2018-08-17 12:00:27 +08:00
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# this method attempts to correct old incorrect extensions
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2020-10-16 18:41:27 +08:00
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def get_optimized_image(width, height, opts = nil)
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opts ||= {}
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2018-08-17 12:00:27 +08:00
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if (!extension || extension.length == 0)
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fix_image_extension
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end
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opts = opts.merge(raise_on_error: true)
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begin
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OptimizedImage.create_for(self, width, height, opts)
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2018-12-15 06:44:38 +08:00
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rescue => ex
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Rails.logger.info ex if Rails.env.development?
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2018-08-17 12:00:27 +08:00
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opts = opts.merge(raise_on_error: false)
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if fix_image_extension
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OptimizedImage.create_for(self, width, height, opts)
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else
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nil
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end
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end
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end
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def fix_image_extension
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return false if extension == "unknown"
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begin
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# this is relatively cheap once cached
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original_path = Discourse.store.path_for(self)
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if original_path.blank?
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external_copy = Discourse.store.download(self) rescue nil
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original_path = external_copy.try(:path)
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end
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image_info = FastImage.new(original_path) rescue nil
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new_extension = image_info&.type&.to_s || "unknown"
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if new_extension != self.extension
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self.update_columns(extension: new_extension)
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true
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end
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rescue
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self.update_columns(extension: "unknown")
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true
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end
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end
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2013-06-21 15:34:02 +08:00
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def destroy
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2013-06-20 03:51:41 +08:00
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Upload.transaction do
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2013-08-14 04:08:29 +08:00
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Discourse.store.remove_upload(self)
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2013-06-20 03:51:41 +08:00
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super
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end
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end
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2017-08-22 23:46:15 +08:00
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def short_url
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2019-05-29 09:00:25 +08:00
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"upload://#{short_url_basename}"
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end
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2020-04-24 08:29:02 +08:00
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def uploaded_before_secure_media_enabled?
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original_sha1.blank?
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end
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def matching_access_control_post?(post)
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access_control_post_id == post.id
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end
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def copied_from_other_post?(post)
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return false if access_control_post_id.blank?
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!matching_access_control_post?(post)
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end
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2019-05-29 09:00:25 +08:00
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def short_path
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self.class.short_path(sha1: self.sha1, extension: self.extension)
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end
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2020-01-29 08:11:38 +08:00
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def self.consider_for_reuse(upload, post)
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return upload if !SiteSetting.secure_media? || upload.blank? || post.blank?
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2020-04-24 08:29:02 +08:00
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return nil if !upload.matching_access_control_post?(post) || upload.uploaded_before_secure_media_enabled?
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2020-01-29 08:11:38 +08:00
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upload
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end
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2020-01-24 09:59:30 +08:00
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def self.secure_media_url?(url)
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2020-01-30 14:19:14 +08:00
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# we do not want to exclude topic links that for whatever reason
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# have secure-media-uploads in the URL e.g. /t/secure-media-uploads-are-cool/223452
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2020-08-28 09:28:11 +08:00
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route = UrlHelper.rails_route_from_url(url)
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2020-09-30 13:20:00 +08:00
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return false if route.blank?
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2020-08-28 09:28:11 +08:00
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route[:action] == "show_secure" && route[:controller] == "uploads" && FileHelper.is_supported_media?(url)
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rescue ActionController::RoutingError
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false
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2020-01-24 09:59:30 +08:00
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end
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def self.signed_url_from_secure_media_url(url)
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2020-08-28 09:28:11 +08:00
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route = UrlHelper.rails_route_from_url(url)
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url = Rails.application.routes.url_for(route.merge(only_path: true))
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secure_upload_s3_path = url[url.index(route[:path])..-1]
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2020-01-24 09:59:30 +08:00
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Discourse.store.signed_url_for_path(secure_upload_s3_path)
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end
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def self.secure_media_url_from_upload_url(url)
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2020-08-28 09:28:11 +08:00
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return url if !url.include?(SiteSetting.Upload.absolute_base_url)
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uri = URI.parse(url)
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Rails.application.routes.url_for(
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controller: "uploads",
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action: "show_secure",
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path: uri.path[1..-1],
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only_path: true
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)
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2020-01-24 09:59:30 +08:00
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end
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2019-05-29 09:00:25 +08:00
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def self.short_path(sha1:, extension:)
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@url_helpers ||= Rails.application.routes.url_helpers
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@url_helpers.upload_short_path(
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base62: self.base62_sha1(sha1),
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extension: extension
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)
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end
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def self.base62_sha1(sha1)
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Base62.encode(sha1.hex)
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end
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def base62_sha1
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2019-06-04 14:10:46 +08:00
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Upload.base62_sha1(self.sha1)
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2017-08-22 23:46:15 +08:00
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end
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2018-08-28 10:48:43 +08:00
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def local?
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!(url =~ /^(https?:)?\/\//)
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end
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def fix_dimensions!
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2018-09-10 10:22:45 +08:00
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return if !FileHelper.is_supported_image?("image.#{extension}")
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2018-08-28 10:48:43 +08:00
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path =
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if local?
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Discourse.store.path_for(self)
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else
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Discourse.store.download(self).path
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end
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2018-12-03 23:19:49 +08:00
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begin
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2021-03-02 00:44:00 +08:00
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if extension == 'svg'
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2021-04-12 11:55:54 +08:00
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w, h = Discourse::Utils.execute_command("identify", "-format", "%w %h", path, timeout: MAX_IDENTIFY_SECONDS).split(' ') rescue [0, 0]
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2021-03-02 00:44:00 +08:00
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else
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w, h = FastImage.new(path, raise_on_failure: true).size
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end
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2018-12-26 23:17:08 +08:00
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self.width = w || 0
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self.height = h || 0
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self.thumbnail_width, self.thumbnail_height = ImageSizer.resize(w, h)
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self.update_columns(
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width: width,
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height: height,
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thumbnail_width: thumbnail_width,
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thumbnail_height: thumbnail_height
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)
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2018-12-03 23:19:49 +08:00
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rescue => e
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Discourse.warn_exception(e, message: "Error getting image dimensions")
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end
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2018-08-28 10:48:43 +08:00
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nil
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end
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# on demand image size calculation, this allows us to null out image sizes
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# and still handle as needed
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def get_dimension(key)
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if v = read_attribute(key)
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return v
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end
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fix_dimensions!
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read_attribute(key)
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end
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def width
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get_dimension(:width)
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end
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def height
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get_dimension(:height)
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end
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def thumbnail_width
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get_dimension(:thumbnail_width)
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end
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def thumbnail_height
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get_dimension(:thumbnail_height)
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end
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2020-10-24 00:38:28 +08:00
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def target_image_quality(local_path, test_quality)
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2021-04-12 11:55:54 +08:00
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@file_quality ||= Discourse::Utils.execute_command("identify", "-format", "%Q", local_path, timeout: MAX_IDENTIFY_SECONDS).to_i rescue 0
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2020-10-24 00:38:28 +08:00
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if @file_quality == 0 || @file_quality > test_quality
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test_quality
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end
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end
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2019-05-29 09:00:25 +08:00
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def self.sha1_from_short_path(path)
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if path =~ /(\/uploads\/short-url\/)([a-zA-Z0-9]+)(\..*)?/
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self.sha1_from_base62_encoded($2)
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end
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end
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2017-08-22 23:46:15 +08:00
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def self.sha1_from_short_url(url)
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if url =~ /(upload:\/\/)?([a-zA-Z0-9]+)(\..*)?/
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2019-05-29 09:00:25 +08:00
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self.sha1_from_base62_encoded($2)
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end
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end
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2019-05-28 23:18:21 +08:00
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2019-05-29 09:00:25 +08:00
|
|
|
def self.sha1_from_base62_encoded(encoded_sha1)
|
|
|
|
sha1 = Base62.decode(encoded_sha1).to_s(16)
|
|
|
|
|
|
|
|
if sha1.length > SHA1_LENGTH
|
|
|
|
nil
|
|
|
|
else
|
|
|
|
sha1.rjust(SHA1_LENGTH, '0')
|
2017-08-22 23:46:15 +08:00
|
|
|
end
|
|
|
|
end
|
|
|
|
|
2016-09-02 14:50:13 +08:00
|
|
|
def self.generate_digest(path)
|
|
|
|
Digest::SHA1.file(path).hexdigest
|
|
|
|
end
|
|
|
|
|
2019-02-21 10:13:37 +08:00
|
|
|
def human_filesize
|
|
|
|
number_to_human_size(self.filesize)
|
|
|
|
end
|
|
|
|
|
2019-04-03 12:37:50 +08:00
|
|
|
def rebake_posts_on_old_scheme
|
|
|
|
self.posts.where("cooked LIKE '%/_optimized/%'").find_each(&:rebake!)
|
|
|
|
end
|
|
|
|
|
2021-01-29 07:03:44 +08:00
|
|
|
def update_secure_status(source: "unknown", override: nil)
|
|
|
|
if override.nil?
|
|
|
|
mark_secure, reason = UploadSecurity.new(self).should_be_secure_with_reason
|
|
|
|
else
|
|
|
|
mark_secure = override
|
|
|
|
reason = "manually overridden"
|
|
|
|
end
|
2019-11-18 09:25:42 +08:00
|
|
|
|
2020-01-23 10:01:10 +08:00
|
|
|
secure_status_did_change = self.secure? != mark_secure
|
2021-01-29 07:03:44 +08:00
|
|
|
self.update(secure_params(mark_secure, reason, source))
|
|
|
|
|
2019-11-18 09:25:42 +08:00
|
|
|
Discourse.store.update_upload_ACL(self) if Discourse.store.external?
|
2020-01-23 10:01:10 +08:00
|
|
|
|
|
|
|
secure_status_did_change
|
2019-11-18 09:25:42 +08:00
|
|
|
end
|
|
|
|
|
2021-01-29 07:03:44 +08:00
|
|
|
def secure_params(secure, reason, source = "unknown")
|
|
|
|
{
|
|
|
|
secure: secure,
|
|
|
|
security_last_changed_reason: reason + " | source: #{source}",
|
|
|
|
security_last_changed_at: Time.zone.now
|
|
|
|
}
|
|
|
|
end
|
|
|
|
|
2019-04-24 11:56:48 +08:00
|
|
|
def self.migrate_to_new_scheme(limit: nil)
|
2015-06-12 18:02:36 +08:00
|
|
|
problems = []
|
|
|
|
|
2019-04-24 17:07:10 +08:00
|
|
|
DistributedMutex.synchronize("migrate_upload_to_new_scheme") do
|
|
|
|
if SiteSetting.migrate_to_new_scheme
|
|
|
|
max_file_size_kb = [
|
|
|
|
SiteSetting.max_image_size_kb,
|
|
|
|
SiteSetting.max_attachment_size_kb
|
|
|
|
].max.kilobytes
|
2015-06-12 18:02:36 +08:00
|
|
|
|
2019-04-24 17:07:10 +08:00
|
|
|
local_store = FileStore::LocalStore.new
|
|
|
|
db = RailsMultisite::ConnectionManagement.current_db
|
2019-03-14 12:38:16 +08:00
|
|
|
|
2019-04-24 17:07:10 +08:00
|
|
|
scope = Upload.by_users
|
|
|
|
.where("url NOT LIKE '%/original/_X/%' AND url LIKE '%/uploads/#{db}%'")
|
|
|
|
.order(id: :desc)
|
2019-04-24 13:59:23 +08:00
|
|
|
|
2019-04-24 17:07:10 +08:00
|
|
|
scope = scope.limit(limit) if limit
|
2019-04-24 13:59:23 +08:00
|
|
|
|
2019-04-24 17:07:10 +08:00
|
|
|
if scope.count == 0
|
|
|
|
SiteSetting.migrate_to_new_scheme = false
|
|
|
|
return problems
|
|
|
|
end
|
2019-03-28 15:58:42 +08:00
|
|
|
|
2019-04-24 17:07:10 +08:00
|
|
|
remap_scope = nil
|
|
|
|
|
|
|
|
scope.each do |upload|
|
|
|
|
begin
|
|
|
|
# keep track of the url
|
|
|
|
previous_url = upload.url.dup
|
|
|
|
# where is the file currently stored?
|
|
|
|
external = previous_url =~ /^\/\//
|
|
|
|
# download if external
|
|
|
|
if external
|
|
|
|
url = SiteSetting.scheme + ":" + previous_url
|
|
|
|
|
|
|
|
begin
|
|
|
|
retries ||= 0
|
|
|
|
|
|
|
|
file = FileHelper.download(
|
|
|
|
url,
|
|
|
|
max_file_size: max_file_size_kb,
|
|
|
|
tmp_file_name: "discourse",
|
|
|
|
follow_redirect: true
|
|
|
|
)
|
|
|
|
rescue OpenURI::HTTPError
|
2020-06-20 01:28:54 +08:00
|
|
|
retry if (retries += 1) < 1
|
2019-04-24 17:07:10 +08:00
|
|
|
next
|
|
|
|
end
|
|
|
|
|
|
|
|
path = file.path
|
|
|
|
else
|
|
|
|
path = local_store.path_for(upload)
|
|
|
|
end
|
|
|
|
# compute SHA if missing
|
|
|
|
if upload.sha1.blank?
|
|
|
|
upload.sha1 = Upload.generate_digest(path)
|
|
|
|
end
|
2019-03-26 15:07:50 +08:00
|
|
|
|
2019-04-24 17:07:10 +08:00
|
|
|
# store to new location & update the filesize
|
|
|
|
File.open(path) do |f|
|
|
|
|
upload.url = Discourse.store.store_upload(f, upload)
|
|
|
|
upload.filesize = f.size
|
|
|
|
upload.save!(validate: false)
|
|
|
|
end
|
|
|
|
# remap the URLs
|
|
|
|
DbHelper.remap(UrlHelper.absolute(previous_url), upload.url) unless external
|
|
|
|
|
|
|
|
DbHelper.remap(
|
|
|
|
previous_url,
|
|
|
|
upload.url,
|
|
|
|
excluded_tables: %w{
|
|
|
|
posts
|
|
|
|
post_search_data
|
2019-04-25 11:55:48 +08:00
|
|
|
incoming_emails
|
|
|
|
notifications
|
|
|
|
single_sign_on_records
|
|
|
|
stylesheet_cache
|
|
|
|
topic_search_data
|
|
|
|
users
|
|
|
|
user_emails
|
|
|
|
draft_sequences
|
|
|
|
optimized_images
|
2019-04-24 17:07:10 +08:00
|
|
|
}
|
|
|
|
)
|
|
|
|
|
|
|
|
remap_scope ||= begin
|
|
|
|
Post.with_deleted
|
2019-04-24 18:19:25 +08:00
|
|
|
.where("raw ~ '/uploads/#{db}/\\d+/' OR raw ~ '/uploads/#{db}/original/(\\d|[a-z])/'")
|
2019-04-25 14:26:40 +08:00
|
|
|
.select(:id, :raw, :cooked)
|
2019-04-24 17:07:10 +08:00
|
|
|
.all
|
|
|
|
end
|
2019-04-24 11:56:48 +08:00
|
|
|
|
2019-04-24 17:07:10 +08:00
|
|
|
remap_scope.each do |post|
|
|
|
|
post.raw.gsub!(previous_url, upload.url)
|
|
|
|
post.cooked.gsub!(previous_url, upload.url)
|
2019-04-25 14:26:40 +08:00
|
|
|
Post.with_deleted.where(id: post.id).update_all(raw: post.raw, cooked: post.cooked) if post.changed?
|
2019-04-24 17:07:10 +08:00
|
|
|
end
|
2019-04-03 07:38:57 +08:00
|
|
|
|
2019-04-24 17:07:10 +08:00
|
|
|
upload.optimized_images.find_each(&:destroy!)
|
|
|
|
upload.rebake_posts_on_old_scheme
|
|
|
|
# remove the old file (when local)
|
|
|
|
unless external
|
|
|
|
FileUtils.rm(path, force: true)
|
|
|
|
end
|
|
|
|
rescue => e
|
|
|
|
problems << { upload: upload, ex: e }
|
|
|
|
ensure
|
|
|
|
file&.unlink
|
|
|
|
file&.close
|
2015-06-12 18:02:36 +08:00
|
|
|
end
|
|
|
|
end
|
|
|
|
end
|
|
|
|
end
|
|
|
|
|
|
|
|
problems
|
|
|
|
end
|
|
|
|
|
2019-05-29 09:00:25 +08:00
|
|
|
private
|
|
|
|
|
|
|
|
def short_url_basename
|
2019-06-19 09:10:50 +08:00
|
|
|
"#{Upload.base62_sha1(sha1)}#{extension.present? ? ".#{extension}" : ""}"
|
2019-05-29 09:00:25 +08:00
|
|
|
end
|
|
|
|
|
2013-02-06 03:16:51 +08:00
|
|
|
end
|
2013-05-24 10:48:32 +08:00
|
|
|
|
|
|
|
# == Schema Information
|
|
|
|
#
|
|
|
|
# Table name: uploads
|
|
|
|
#
|
2021-01-29 07:03:44 +08:00
|
|
|
# id :integer not null, primary key
|
|
|
|
# user_id :integer not null
|
|
|
|
# original_filename :string not null
|
|
|
|
# filesize :integer not null
|
|
|
|
# width :integer
|
|
|
|
# height :integer
|
|
|
|
# url :string not null
|
|
|
|
# created_at :datetime not null
|
|
|
|
# updated_at :datetime not null
|
|
|
|
# sha1 :string(40)
|
|
|
|
# origin :string(1000)
|
|
|
|
# retain_hours :integer
|
|
|
|
# extension :string(10)
|
|
|
|
# thumbnail_width :integer
|
|
|
|
# thumbnail_height :integer
|
|
|
|
# etag :string
|
|
|
|
# secure :boolean default(FALSE), not null
|
|
|
|
# access_control_post_id :bigint
|
|
|
|
# original_sha1 :string
|
|
|
|
# verification_status :integer default(1), not null
|
|
|
|
# animated :boolean
|
|
|
|
# security_last_changed_at :datetime
|
|
|
|
# security_last_changed_reason :string
|
2013-05-24 10:48:32 +08:00
|
|
|
#
|
|
|
|
# Indexes
|
|
|
|
#
|
2020-10-16 18:41:27 +08:00
|
|
|
# idx_uploads_on_verification_status (verification_status)
|
2020-01-16 11:50:27 +08:00
|
|
|
# index_uploads_on_access_control_post_id (access_control_post_id)
|
|
|
|
# index_uploads_on_etag (etag)
|
|
|
|
# index_uploads_on_extension (lower((extension)::text))
|
|
|
|
# index_uploads_on_id_and_url (id,url)
|
|
|
|
# index_uploads_on_original_sha1 (original_sha1)
|
|
|
|
# index_uploads_on_sha1 (sha1) UNIQUE
|
|
|
|
# index_uploads_on_url (url)
|
|
|
|
# index_uploads_on_user_id (user_id)
|
|
|
|
#
|