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ChangeLog.md

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0.7.0 / 2022-12-31

  • Added {Spidr.domain} and {Spidr::Agent.domain}.
  • Added {Spidr::Page#gif?}.
  • Added {Spidr::Page#jpeg?}.
  • Added {Spidr::Page#icon?} and {Spidr::Page#ico?}.
  • Added {Spidr::Page#png?}.
  • {Spidr.proxy=} and {Spidr::Agent#proxy=} can now accept a String or a URI::HTTP object.

0.6.1 / 2019-10-24

  • Check for the opaque component of URIs before attempting to set the path component (@kyaroch). This fixes URI::InvalidURIError: path conflicts with opaque exceptions.
  • Fix @robots instance variable warning (@spk).

0.6.0 / 2016-08-04

  • Added {Spidr::Proxy}.
  • Added more options to {Spidr::Agent#initialize}:
    • :default_headers: specifies the default headers to set in all requests (@maccman).
    • :limit: specify the maximum number of links to visit.
    • :open_timeout, :read_timeout, :ssl_timeout, :continue_timeout, and :keep_alive_timeout: sets Net::HTTP timeouts.
  • Allow {Spidr::Settings::Proxy#proxy= Spidr.proxy=} to accept nil.
  • Use Net::HTTPResponse#get_fields in {Spidr::Page} to correctly return multiple values for repeated headers.
  • Fixed a bug in {Spidr::Page#method_missing} where method names were not being correctly converted to header names.
  • Fixed a bug in {Spidr::Page#cookie_params} where Set-Cookie flags were not being filtered out.
  • Rewrote the specs to use webmock and increased spec coverage.

0.5.0 / 2016-01-03

  • Added support for respecting robots.txt files.

    Spidr.site('http://reddit.com/', robots: true)

  • Added {Spidr.robots=} and {Spidr.robots?}.

  • Added {Spidr::Page#each_mailto} and {Spidr::Page#mailtos}.

  • Fixed a bug in {Spidr::Agent.host} that limited spidering to only http:// URIs.

  • Rescue Zlib::Error to catch Zlib::DataError and Zlib::BufError exceptions caused by web servers that use incompatible gzip compression.

  • Fixed a bug in {URI.expand_path} where /../foo was being expanded to foo instead of /foo.

0.4.1 / 2011-12-08

  • Catch OpenSSL::SSL::SSLError exceptions when initiated HTTPS Sessions.

0.4.0 / 2011-08-07

  • Added Spidr::Headers#content_charset.
  • Pass the Page url and content_charset to Nokogiri in Spidr::Body#doc. This ensures that Nokogiri will preserve the body encoding.
  • Made Spidr::Headers#is_content_type? public.
  • Allow Spidr::Headers#is_content_type? to match the full Content-Type or the sub-type.

0.3.2 / 2011-06-20

  • Added separate intitialize methods for Spidr::Actions, Spidr::Events, Spidr::Filters and Spidr::Sanitizers.
  • Aliased Spidr::Events#urls_like to Spidr::Events#every_url_like.
  • Reduce usage of self.included and module_eval.
  • Reduce usage of nested-blocks.
  • Reduce usage of return.

0.3.1 / 2011-04-22

  • Require set in spidr/headers.rb.

0.3.0 / 2011-04-14

  • Switched from Jeweler to Ore.
  • Split all header related methods out of {Spidr::Page} and into Spidr::Headers.
  • Split all body related methods out of {Spidr::Page} and into Spidr::Body.
  • Split all link related methods out of {Spidr::Page} and into Spidr::Links.
  • Added Spidr::Headers#directory?.
  • Added Spidr::Headers#json?.
  • Added Spidr::Links#each_url.
  • Added Spidr::Links#each_link.
  • Added Spidr::Links#each_redirect.
  • Added Spidr::Links#each_meta_redirect.
  • Aliased Spidr::Headers#raw_cookie to Spidr::Headers#cookie.
  • Aliased Spidr::Body#to_s to Spidr::Body#body.
  • Also check for application/xml in Spidr::Headers#xml?.
  • Catch all exceptions when merging URIs in Spidr::Links#to_absolute.
  • Always prepend a / to all FTP URI paths. Fixes a Ruby 1.8 specific bug, where it expects an absolute path for all FTP URIs.
  • Refactored {URI.expand_path}.
  • Start the session in {Spidr::SessionCache#[]} to prevent multiple CONNECT commands being sent to HTTP Proxies (thanks falaise).

0.2.7 / 2010-08-17

  • Added {Spidr::CookieJar#cookies_for_host} (thanks zapnap).
  • Renamed Spidr::Page#cookie to Spidr::Page#raw_cookie.
  • Rescue URI::InvalidComponentError exceptions in Spidr::Page#to_absolute (thanks zapnap).

0.2.6 / 2010-07-05

  • Fixed a bug in Spidr::Page#meta_redirect, by calling Nokogiri::XML::Element#get_attribute instead of attr.

0.2.5 / 2010-07-02

  • Added Spidr::Page#meta_redirect.
  • Added Spidr::Page#meta_redirect?.
  • Manage development dependencies with Bundler.
  • Support following "old-school" meta-refresh redirects (thanks zapnap).
  • Allow {Spidr::CookieJar} inherit cookies set by a parent domain.
  • Fixed a constant lookup issue in {Spidr::Agent}.
  • Use yield instead of block.call when necessary.

0.2.4 / 2010-05-05

  • Added Spidr::Filters#visit_urls.
  • Added Spidr::Filters#visit_urls_like.
  • Added Spidr::Filters#ignore_urls.
  • Added Spidr::Filters#ignore_urls_like.
  • Added Spidr::Page#is_content_type?.
  • Default Spidr::Page#body to an empty String.
  • Default Spidr::Page#content_type to an empty String.
  • Default Spidr::Page#content_types to an empty Array.
  • Improved reliability of {Spidr::Page#is_redirect?}.
  • Improved content type detection in {Spidr::Page} to handle Content-Type headers containing charsets (thanks Josh Lindsey).

0.2.3 / 2010-02-27

  • Migrated to Jeweler, for the packaging and releasing RubyGems.
  • Switched to MarkDown formatted YARD documentation.
  • Added Spidr::Events#every_link.
  • Added {Spidr::SessionCache#active?}.
  • Added specs for {Spidr::SessionCache}.

0.2.2 / 2010-01-06

  • Require Web Spider Obstacle Course (WSOC) >= 0.1.1.
  • Integrated the new WSOC into the specs.
  • Removed the built-in Web Spider Obstacle Course.
  • Added Spidr::Page#content_types.
  • Added Spidr::Page#cookie.
  • Added Spidr::Page#cookies.
  • Added Spidr::Page#cookie_params.
  • Added Spidr::Sanitizers.
  • Added {Spidr::SessionCache}.
  • Added {Spidr::CookieJar} (thanks Nick Plante).
  • Added {Spidr::AuthStore} (thanks Nick Plante).
  • Added {Spidr::Agent#post_page} (thanks Nick Plante).
  • Renamed Spidr::Agent#get_session to {Spidr::SessionCache#[]}.
  • Renamed Spidr::Agent#kill_session to {Spidr::SessionCache#kill!}.

0.2.1 / 2009-11-25

  • Added Spidr::Events#every_ok_page.
  • Added Spidr::Events#every_redirect_page.
  • Added Spidr::Events#every_timedout_page.
  • Added Spidr::Events#every_bad_request_page.
  • Added Spidr::Events#every_unauthorized_page.
  • Added Spidr::Events#every_forbidden_page.
  • Added Spidr::Events#every_missing_page.
  • Added Spidr::Events#every_internal_server_error_page.
  • Added Spidr::Events#every_txt_page.
  • Added Spidr::Events#every_html_page.
  • Added Spidr::Events#every_xml_page.
  • Added Spidr::Events#every_xsl_page.
  • Added Spidr::Events#every_doc.
  • Added Spidr::Events#every_html_doc.
  • Added Spidr::Events#every_xml_doc.
  • Added Spidr::Events#every_xsl_doc.
  • Added Spidr::Events#every_rss_doc.
  • Added Spidr::Events#every_atom_doc.
  • Added Spidr::Events#every_javascript_page.
  • Added Spidr::Events#every_css_page.
  • Added Spidr::Events#every_rss_page.
  • Added Spidr::Events#every_atom_page.
  • Added Spidr::Events#every_ms_word_page.
  • Added Spidr::Events#every_pdf_page.
  • Added Spidr::Events#every_zip_page.
  • Fixed a bug where {Spidr::Agent#delay} was not being used to delay requesting pages.
  • Spider link and script tags in HTML pages (thanks Nick Plante).

0.2.0 / 2009-10-10

  • Added {URI.expand_path}.
  • Added Spidr::Page#search.
  • Added Spidr::Page#at.
  • Added Spidr::Page#title.
  • Added {Spidr::Agent#failures=}.
  • Added a HTTP session cache to {Spidr::Agent}, per suggestion of falter.
    • Added Spidr::Agent#get_session.
    • Added Spidr::Agent#kill_session.
  • Added {Spidr::Settings::Proxy#proxy= Spidr.proxy=}.
  • Added {Spidr::Settings::Proxy#disable_proxy! Spidr.disable_proxy!}.
  • Aliased Spidr::Page#txt? to Spidr::Page#plain_text?.
  • Aliased Spidr::Page#ok? to Spidr::Page#is_ok?.
  • Aliased Spidr::Page#redirect? to Spidr::Page#is_redirect?.
  • Aliased Spidr::Page#unauthorized? to Spidr::Page#is_unauthorized?.
  • Aliased Spidr::Page#forbidden? to Spidr::Page#is_forbidden?.
  • Aliased Spidr::Page#missing? to Spidr::Page#is_missing?.
  • Split URL filtering code out of {Spidr::Agent} and into Spidr::Filters.
  • Split URL / Page event code out of {Spidr::Agent} and into Spidr::Events.
  • Split pause! / continue! / skip_link! / skip_page! methods out of {Spidr::Agent} and into Spidr::Actions.
  • Fixed a bug in Spidr::Page#code, where it was not returning an Integer.
  • Make sure Spidr::Page#doc returns Nokogiri::XML::Document objects for RSS/RDF/Atom pages as well.
  • Fixed the handling of the Location header in Spidr::Page#links (thanks falter).
  • Fixed a bug in Spidr::Page#to_absolute where trailing / characters on URI paths were not being preserved (thanks falter).
  • Fixed a bug where the URI query was not being sent with the request in {Spidr::Agent#get_page} (thanks Damian Steer).
  • Fixed a bug where SSL sessions were not being properly setup (thanks falter).
  • Switched {Spidr::Agent#history} to be a Set, to improve search-time of the history (thanks falter).
  • Switched {Spidr::Agent#failures} to a Set.
  • Allow a block to be passed to {Spidr::Agent#run}, which will receive all pages visited.
  • Allow Spidr::Agent#start_at and Spidr::Agent#continue! to pass blocks to {Spidr::Agent#run}.
  • Made {Spidr::Agent#visit_page} public.
  • Moved to YARD based documentation.

0.1.9 / 2009-06-13

  • Upgraded to Hoe 2.0.0.
    • Use Hoe.spec instead of Hoe.new.
    • Use the Hoe signing task for signed gems.
  • Added the Spidr::Agent#schemes and Spidr::Agent#schemes= methods.
  • Added a warning message if 'net/https' cannot be loaded.
  • Allow the list of acceptable URL schemes to be passed into {Spidr::Agent#initialize}.
  • Allow history and queue information to be passed into {Spidr::Agent#initialize}.
  • {Spidr::Agent#start_at} no longer clears the history or the queue.
  • Fixed a bug in the sanitization of semi-escaped URLs.
  • Fixed a bug where https URLs would be followed even if 'net/https' could not be loaded.
  • Removed Spidr::Agent::SCHEMES.

0.1.8 / 2009-05-27

  • Added the Spidr::Agent#pause! and Spidr::Agent#continue! methods.
  • Added the Spidr::Agent#running? and Spidr::Agent#paused? methods.
  • Added an alias for pending_urls to the queue methods.
  • Added {Spidr::Agent#queue} to provide read access to the queue.
  • Added {Spidr::Agent#queue=} and {Spidr::Agent#history=} for setting the queue and history.
  • Added {Spidr::Agent#to_hash} which returns a Hash of the agents queue and history.
  • Made {Spidr::Agent#enqueue} and {Spidr::Agent#queued?} public.
  • Added more specs.

0.1.7 / 2009-04-24

  • Added Spidr::Agent#all_headers.
  • Fixed a bug where {Spidr::Page#headers} was always nil.
  • {Spidr::Agent} will now follow the Location header in HTTP 300, 301, 302, 303 and 307 Redirects.
  • {Spidr::Agent} will now follow iframe and frame tags.

0.1.6 / 2009-04-14

  • Added {Spidr::Agent#failures}, a list of URLs which could not be visited.
  • Added {Spidr::Agent#failed?}.
  • Added Spidr::Agent#every_failed_url.
  • Added {Spidr::Agent#clear}, which clears the history and failures URL lists.
  • Improved fault tolerance in {Spidr::Agent#get_page}.
    • If a Network or HTTP error is encountered, the URL will be added to the failures list and the next URL will be visited.
  • Fixed a typo in Spidr::Agent#ignore_exts_like.
  • Updated the Web Spider Obstacle Course with links that always fail to be visited.

0.1.5 / 2009-03-22

  • Catch malformed URIs in Spidr::Page#to_absolute and return nil.
  • Filter out nil URIs in Spidr::Page#urls.

0.1.4 / 2009-01-15

  • Use Nokogiri for HTML and XML parsing.

0.1.3 / 2009-01-10

  • Added the :host options to {Spidr::Agent#initialize}.
  • Added the Web Spider Obstacle Course files to the Manifest.
  • Aliased {Spidr::Agent#visited_urls} to {Spidr::Agent#history}.

0.1.2 / 2008-11-06

  • Fixed a bug in Spidr::Page#to_absolute where URLs with no path were not receiving a default path of /.
  • Fixed a bug in Spidr::Page#to_absolute where URL paths were not being expanded, in order to remove .. and . directories.
  • Fixed a bug where absolute URLs could have a blank path, thus causing {Spidr::Agent#get_page} to crash when it performed the HTTP request.
  • Added RSpec spec tests.
  • Created a Web-Spider Obstacle Course (http://spidr.rubyforge.org/course/start.html) which is used in the spec tests.

0.1.1 / 2008-10-04

  • Added a reader method for the response instance variable in Page.
  • Fixed a bug in {Spidr::Page#method_missing}.

0.1.0 / 2008-05-23

  • Initial release.
    • Black-list or white-list URLs based upon:
      • Host name
      • Port number
      • Full link
      • URL extension
    • Provides call-backs for:
      • Every visited Page.
      • Every visited URL.
      • Every visited URL that matches a specified pattern.