Class: InlineOneboxer
- Inherits:
-
Object
- Object
- InlineOneboxer
- Defined in:
- lib/inline_oneboxer.rb
Constant Summary collapse
- MIN_TITLE_LENGTH =
2
Class Method Summary collapse
- .cache_lookup(url) ⇒ Object
- .invalidate(url) ⇒ Object
- .local_handlers ⇒ Object
- .lookup(url, opts = nil) ⇒ Object
- .register_local_handler(controller, &handler) ⇒ Object
Instance Method Summary collapse
-
#initialize(urls, opts = nil) ⇒ InlineOneboxer
constructor
A new instance of InlineOneboxer.
- #process ⇒ Object
Constructor Details
#initialize(urls, opts = nil) ⇒ InlineOneboxer
Returns a new instance of InlineOneboxer.
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# File 'lib/inline_oneboxer.rb', line 6 def initialize(urls, opts = nil) @urls = urls @opts = opts || {} end |
Class Method Details
.cache_lookup(url) ⇒ Object
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# File 'lib/inline_oneboxer.rb', line 19 def self.cache_lookup(url) Discourse.cache.read(cache_key(url)) end |
.invalidate(url) ⇒ Object
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# File 'lib/inline_oneboxer.rb', line 15 def self.invalidate(url) Discourse.cache.delete(cache_key(url)) end |
.local_handlers ⇒ Object
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# File 'lib/inline_oneboxer.rb', line 23 def self.local_handlers @local_handlers ||= {} end |
.lookup(url, opts = nil) ⇒ Object
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# File 'lib/inline_oneboxer.rb', line 31 def self.lookup(url, opts = nil) opts ||= {} opts = opts.with_indifferent_access unless opts[:skip_cache] || opts[:invalidate] cached = cache_lookup(url) return cached if cached.present? end return unless url if route = Discourse.route_for(url) if route[:controller] == "topics" if topic = Oneboxer.local_topic(url, route, opts) opts[:skip_cache] = true post_number = [route[:post_number].to_i, topic.highest_post_number].min if post_number > 1 opts[:post_number] = post_number opts[:post_author] = (topic, post_number) end return onebox_for(url, topic.title, opts) else # not permitted to see topic return nil end elsif handler = local_handlers[route[:controller]] return handler.call(url, route) end end always_allow = SiteSetting.enable_inline_onebox_on_all_domains allowed_domains = SiteSetting.allowed_inline_onebox_domains&.split("|") unless always_allow if always_allow || allowed_domains uri = begin URI(url) rescue URI::Error end if uri.present? && uri.hostname.present? && (always_allow || allowed_domains.include?(uri.hostname)) && !Onebox::DomainChecker.is_blocked?(uri.hostname) max_redirects = 0 if SiteSetting.block_onebox_on_redirect title = RetrieveTitle.crawl( url, max_redirects: max_redirects, initial_https_redirect_ignore_limit: SiteSetting.block_onebox_on_redirect, ) title = nil if title && title.length < MIN_TITLE_LENGTH return onebox_for(url, title, opts) end end nil end |
.register_local_handler(controller, &handler) ⇒ Object
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# File 'lib/inline_oneboxer.rb', line 27 def self.register_local_handler(controller, &handler) local_handlers[controller] = handler end |
Instance Method Details
#process ⇒ Object
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# File 'lib/inline_oneboxer.rb', line 11 def process @urls.map { |url| InlineOneboxer.lookup(url, @opts) }.compact end |