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authorThibG <thib@sitedethib.com>2018-09-10 18:26:28 +0200
committerEugen Rochko <eugen@zeonfederated.com>2018-09-10 18:26:28 +0200
commitbd9e47e9bed132b9164ce7cb357e84f5f2b3c72a (patch)
tree8f4a5bc4237a28b13ebf289175a39cf943ceb1a6 /app
parent25dd523887dd32261ff201eab05f12ed46f6f6ba (diff)
Handle relative URLs when fetching OEmbed/OpenGraph cards (#8669)
Diffstat (limited to 'app')
-rw-r--r--app/services/fetch_link_card_service.rb18
-rw-r--r--app/services/fetch_oembed_service.rb2
2 files changed, 11 insertions, 9 deletions
diff --git a/app/services/fetch_link_card_service.rb b/app/services/fetch_link_card_service.rb
index 560a81768..ea94e2491 100644
--- a/app/services/fetch_link_card_service.rb
+++ b/app/services/fetch_link_card_service.rb
@@ -87,34 +87,36 @@ class FetchLinkCardService < BaseService
   end
 
   def attempt_oembed
-    embed = FetchOEmbedService.new.call(@url, html: @html)
+    service = FetchOEmbedService.new
+    embed   = service.call(@url, html: @html)
+    url     = Addressable::URI.parse(service.endpoint_url)
 
     return false if embed.nil?
 
     @card.type          = embed[:type]
     @card.title         = embed[:title]         || ''
     @card.author_name   = embed[:author_name]   || ''
-    @card.author_url    = embed[:author_url]    || ''
+    @card.author_url    = embed[:author_url].present? ? (url + embed[:author_url]).to_s : ''
     @card.provider_name = embed[:provider_name] || ''
-    @card.provider_url  = embed[:provider_url]  || ''
+    @card.provider_url  = embed[:provider_url].present? ? (url + embed[:provider_url]).to_s : ''
     @card.width         = 0
     @card.height        = 0
 
     case @card.type
     when 'link'
-      @card.image_remote_url = embed[:thumbnail_url] if embed[:thumbnail_url].present?
+      @card.image_remote_url = (url + embed[:thumbnail_url]).to_s if embed[:thumbnail_url].present?
     when 'photo'
       return false if embed[:url].blank?
 
-      @card.embed_url        = embed[:url]
-      @card.image_remote_url = embed[:url]
+      @card.embed_url        = (url + embed[:url]).to_s
+      @card.image_remote_url = (url + embed[:url]).to_s
       @card.width            = embed[:width].presence  || 0
       @card.height           = embed[:height].presence || 0
     when 'video'
       @card.width            = embed[:width].presence  || 0
       @card.height           = embed[:height].presence || 0
       @card.html             = Formatter.instance.sanitize(embed[:html], Sanitize::Config::MASTODON_OEMBED)
-      @card.image_remote_url = embed[:thumbnail_url] if embed[:thumbnail_url].present?
+      @card.image_remote_url = (url + embed[:thumbnail_url]).to_s if embed[:thumbnail_url].present?
     when 'rich'
       # Most providers rely on <script> tags, which is a no-no
       return false
@@ -146,7 +148,7 @@ class FetchLinkCardService < BaseService
 
     @card.title            = meta_property(page, 'og:title').presence || page.at_xpath('//title')&.content || ''
     @card.description      = meta_property(page, 'og:description').presence || meta_property(page, 'description') || ''
-    @card.image_remote_url = meta_property(page, 'og:image') if meta_property(page, 'og:image')
+    @card.image_remote_url = (Addressable::URI.parse(@url) + meta_property(page, 'og:image')).to_s if meta_property(page, 'og:image')
 
     return if @card.title.blank? && @card.html.blank?
 
diff --git a/app/services/fetch_oembed_service.rb b/app/services/fetch_oembed_service.rb
index 998228517..9ddf9b13b 100644
--- a/app/services/fetch_oembed_service.rb
+++ b/app/services/fetch_oembed_service.rb
@@ -31,7 +31,7 @@ class FetchOEmbedService
 
     return if @endpoint_url.blank?
 
-    @endpoint_url = Addressable::URI.parse(@endpoint_url).to_s
+    @endpoint_url = (Addressable::URI.parse(@url) + @endpoint_url).to_s
   rescue Addressable::URI::InvalidURIError
     @endpoint_url = nil
   end