Add author to the diaspora:// URL parser

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Benjamin Neff 2017-09-12 23:08:13 +02:00
parent e663a65c7e
commit b6ec405e55
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5 changed files with 33 additions and 28 deletions

View file

@ -5,22 +5,27 @@ module DiasporaFederation
include Logging
# Regex to find diaspora:// URLs
DIASPORA_URL_REGEX = %r{diaspora://(#{Entity::ENTITY_NAME_REGEX})/(#{Validation::Rule::Guid::VALID_CHARS})}
DIASPORA_URL_REGEX = %r{
diaspora://
(#{Validation::Rule::DiasporaId::DIASPORA_ID_REGEX})/
(#{Entity::ENTITY_NAME_REGEX})/
(#{Validation::Rule::Guid::VALID_CHARS})
}ux
# Parses all diaspora:// URLs from the text and fetches the entities from
# the remote server if needed.
# @param [String] sender the diaspora* ID of the sender of the entity
# @param [String] text text with diaspora:// URLs to fetch
def self.fetch_linked_entities(sender, text)
text.scan(DIASPORA_URL_REGEX).each do |type, guid|
fetch_entity(sender, type, guid)
def self.fetch_linked_entities(text)
text.scan(DIASPORA_URL_REGEX).each do |author, type, guid|
fetch_entity(author, type, guid)
end
end
private_class_method def self.fetch_entity(sender, type, guid)
private_class_method def self.fetch_entity(author, type, guid)
class_name = Entity.entity_class(type).to_s.rpartition("::").last
return if DiasporaFederation.callbacks.trigger(:fetch_related_entity, class_name, guid)
Fetcher.fetch_public(sender, type, guid)
Fetcher.fetch_public(author, type, guid)
rescue => e
logger.error "Failed to fetch linked entity #{type}:#{guid}: #{e.class}: #{e.message}"
end

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@ -46,7 +46,7 @@ module DiasporaFederation
end
def fetch_linked_entities_from_text
DiasporaUrlParser.fetch_linked_entities(sender, entity.text) if entity.respond_to?(:text) && entity.text
DiasporaUrlParser.fetch_linked_entities(entity.text) if entity.respond_to?(:text) && entity.text
end
end
end

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@ -1,6 +1,6 @@
module DiasporaFederation
describe Federation::DiasporaUrlParser do
let(:sender) { Fabricate.sequence(:diaspora_id) }
let(:author) { Fabricate.sequence(:diaspora_id) }
let(:guid) { Fabricate.sequence(:guid) }
describe ".fetch_linked_entities" do
@ -11,56 +11,56 @@ module DiasporaFederation
expect_callback(:fetch_related_entity, "Post", guid2).and_return(double)
expect_callback(:fetch_related_entity, "Post", guid3).and_return(double)
text = "This is a [link to a post with markdown](diaspora://post/#{guid}) and one without " \
"diaspora://post/#{guid2} and finally a last one diaspora://post/#{guid3}."
text = "This is a [link to a post with markdown](diaspora://#{author}/post/#{guid}) and one without " \
"diaspora://#{author}/post/#{guid2} and finally a last one diaspora://#{author}/post/#{guid3}."
Federation::DiasporaUrlParser.fetch_linked_entities(sender, text)
Federation::DiasporaUrlParser.fetch_linked_entities(text)
end
it "ignores invalid diaspora:// urls" do
expect(DiasporaFederation.callbacks).not_to receive(:trigger)
text = "This is an invalid link diaspora://Post/#{guid}) and another one: " \
"diaspora://post/abcd."
text = "This is an invalid link diaspora://#{author}/Post/#{guid} and another one " \
"diaspora://#{author}/post/abcd and last one: diaspora://example.org/post/#{guid}."
Federation::DiasporaUrlParser.fetch_linked_entities(sender, text)
Federation::DiasporaUrlParser.fetch_linked_entities(text)
end
it "allows to link other entities" do
expect_callback(:fetch_related_entity, "Event", guid).and_return(double)
text = "This is a link to an event diaspora://event/#{guid}."
text = "This is a link to an event diaspora://#{author}/event/#{guid}."
Federation::DiasporaUrlParser.fetch_linked_entities(sender, text)
Federation::DiasporaUrlParser.fetch_linked_entities(text)
end
it "handles unknown entities gracefully" do
expect(DiasporaFederation.callbacks).not_to receive(:trigger)
text = "This is a link to an event diaspora://unknown/#{guid}."
text = "This is a link to an event diaspora://#{author}/unknown/#{guid}."
Federation::DiasporaUrlParser.fetch_linked_entities(sender, text)
Federation::DiasporaUrlParser.fetch_linked_entities(text)
end
it "fetches entities from sender when not found locally" do
expect_callback(:fetch_related_entity, "Post", guid).and_return(nil)
expect(Federation::Fetcher).to receive(:fetch_public).with(sender, "post", guid)
expect(Federation::Fetcher).to receive(:fetch_public).with(author, "post", guid)
text = "This is a link to a post: diaspora://post/#{guid}."
text = "This is a link to a post: diaspora://#{author}/post/#{guid}."
Federation::DiasporaUrlParser.fetch_linked_entities(sender, text)
Federation::DiasporaUrlParser.fetch_linked_entities(text)
end
it "handles fetch errors gracefully" do
expect_callback(:fetch_related_entity, "Post", guid).and_return(nil)
expect(Federation::Fetcher).to receive(:fetch_public).with(
sender, "post", guid
author, "post", guid
).and_raise(Federation::Fetcher::NotFetchable, "Something went wrong!")
text = "This is a link to a post: diaspora://post/#{guid}."
text = "This is a link to a post: diaspora://#{author}/post/#{guid}."
expect {
Federation::DiasporaUrlParser.fetch_linked_entities(sender, text)
Federation::DiasporaUrlParser.fetch_linked_entities(text)
}.not_to raise_error
end
end

View file

@ -119,7 +119,7 @@ module DiasporaFederation
end
it "fetches linked entities when the received entity has a text property" do
expect(Federation::DiasporaUrlParser).to receive(:fetch_linked_entities).with(post.author, post.text)
expect(Federation::DiasporaUrlParser).to receive(:fetch_linked_entities).with(post.text)
described_class.new(magic_env, recipient).receive
end
@ -128,7 +128,7 @@ module DiasporaFederation
profile = Fabricate(:profile_entity)
magic_env = Salmon::MagicEnvelope.new(profile, profile.author)
expect(Federation::DiasporaUrlParser).to receive(:fetch_linked_entities).with(profile.author, profile.bio)
expect(Federation::DiasporaUrlParser).to receive(:fetch_linked_entities).with(profile.bio)
described_class.new(magic_env, recipient).receive
end

View file

@ -141,7 +141,7 @@ module DiasporaFederation
end
it "fetches linked entities when the received entity has a text property" do
expect(Federation::DiasporaUrlParser).to receive(:fetch_linked_entities).with(post.author, post.text)
expect(Federation::DiasporaUrlParser).to receive(:fetch_linked_entities).with(post.text)
described_class.new(magic_env).receive
end
@ -150,7 +150,7 @@ module DiasporaFederation
profile = Fabricate(:profile_entity, public: true)
magic_env = Salmon::MagicEnvelope.new(profile, profile.author)
expect(Federation::DiasporaUrlParser).to receive(:fetch_linked_entities).with(profile.author, profile.bio)
expect(Federation::DiasporaUrlParser).to receive(:fetch_linked_entities).with(profile.bio)
described_class.new(magic_env).receive
end