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README.txt

httpclient - HTTP accessing library.
Copyright (C) 2000-2007  NAKAMURA, Hiroshi  <nahi@ruby-lang.org>.

This program is copyrighted free software by NAKAMURA, Hiroshi.  You can
redistribute it and/or modify it under the same terms of Ruby's license;
either the dual license version in 2003, or any later version.

httpclient.rb is based on http-access.rb in http-access/0.0.4.  Some part
of code in http-access.rb was recycled in http-access2.rb.  Those part is
copyrighted by Maehashi-san who made and distributed http-access/0.0.4. Many
thanks to Maehashi-san.


- Introduction

  'httpclient' gives something like the functionality of libwww-perl (LWP) in
  Ruby.  'httpclient' formerly known as 'http-access2'.

  Features;
  * methods like GET/HEAD/POST/* via HTTP/1.1.
  * HTTPS(SSL), Cookies, proxy, authentication(Digest, NTLM, Basic), etc.
  * asynchronous HTTP request

  * by contrast with net/http in standard distribution;
    * Cookies support
    * MT-safe
    * streaming POST
    * Digest auth
    * NTLM auth for WWW-Authenticate
    * extensible with filter interface
    * you don't have to care HTTP/1.1 persistent connection
      (httpclient cares instead of you).

  * Not supported now
    * Cache
    * Rather advanced HTTP/1.1 usage such as Range, deflate, etc.
      (of course you can set it in header by yourself


- Install

  $ ruby install.rb

  It will install lib/* to your site_ruby directory such as
  /usr/local/lib/ruby/site_ruby/1.8/.


- Uninstall

  Delete installed files from your site_ruby directory.


- Usage

  See sample/howto.rb how to use APIs.


- Author

  Name: NAKAMURA, Hiroshi
  E-mail: nahi@ruby-lang.org


- Changes

  Sep 22, 2007 - version 2.1.2

    * HTTP
      * implemented Negotiate authentication with a support from exterior
        modules. 'rubyntlm' module is required for Negotiate auth with IIS.
        'win32/sspi' module is required for Negotiate auth with ISA.
      * a workaround for Ubuntu + SonicWALL timeout problem. try to send HTTP
        request in one chunk.

    * SSL
      * create new self-signing dist-cert which has serial number 0x01 and
        embed it in httpclient.rb.
      * update cacert.p7s. certificates are imported from cacerts in JRE 6
        Update 2. 1 expired CA certificate
        'C=US, O=GTE Corporation, CN=GTE CyberTrust Root' is removed.

    * Bug fix
      * [BUG] SSL + debug_dev didn't work under version 2.1.1.
      * [BUG] Reason-Phrase of HTTP response status line can be empty according
      * to RFC2616.

  Aug 28, 2007 - version 2.1.1

    * bug fix
      * domain_match should be case insensitive. thanks to Brian for the patch.
      * before calling SSLSocket#post_connection_check, check if
        RUBY_VERSION > "1.8.4" for CN based wildcard certificate. when
        RUBY_VERSION <= "1.8.4",  it fallbacks to the post_connection_check
        method in HTTPClient so httpclient should run on 1.8.4 fine as before.

    * misc
      * added HTTPClient#test_loopback_http_response which accepts test
        loopback response which contains HTTP header. 

  Jul 14, 2007 - version 2.1.0

    * program/project renamed from 'http-access2' to 'httpclient'.
      there's compatibility layer included so existing programs for
      http-access2 which uses HTTPAccess2::Client should work with
      httpclient/2.1.0 correctly.

    * misc
      * install.rb did not install cacerts.p7s.  Thanks to knu.
      * now HTTPClient loads http_proxy/HTTP_PROXY and no_proxy/NO_PROXY
        environment variable at initialization time. bear in mind that it
        doesn't load http_proxy/HTTP_PROXY when a library is considered to be
        running under CGI environment (checked by ENVREQUEST_METHOD existence.
        cgi_http_proxy/CGI_HTTP_PROXY is loaded instead.

  Jul 4, 2007 - version 2.0.9

    * bug fix
      * fix the BasicAuth regression problem in 2.0.8.  A server may return
        "BASIC" as an authenticate scheme label instead of "Basic".  It must be
        treated as a case-insensitive token according to RFC2617 section 1.2.
        Thanks to mwedeme for contributing the patch. (#159)

  Jun 30, 2007 - version 2.0.8

    * HTTP
      * added request/response filter interface and implemented DigestAuth
        based on the filter interface.  DigestAuth calc engine is based on
        http://tools.assembla.com/breakout/wiki/DigestForSoap
        Thanks to sromano. (#155)
      * re-implemented BasicAuth based on the filter interface.  send BasicAuth
        header only if it's needed. (#31)
      * handle a response which has 2XX status code as a successfull response
        while retry check.  applied the patch from Micah Wedemeyer.
        Thanks! (#158)

    * Connection
      * show more friendly error message for unconnectable URL. (#156)

    * bug fixes
      * to avoid MIME format incompatibility, add empty epilogue chunk
        explicitly.  Thanks to the anonymous user who reported #154 (#154)
      * rescue EPIPE for keep-alive reconnecting.  Thanks to anonymous user
        who posted a patch at #124. (#124)

  May 13, 2007 - version 2.0.7

    * HTTP
      * added proxyauth support. (#6)
      * let developer allow to rescue a redirect with relative URI. (#28)
      * changed last-chunk condition statement to allow "0000\r\n" marker from
        WebLogic Server 7.0 SP5 instead of "0\r\n". (#30)
      * fixed multipart form submit. (#29, #116)
      * use http_date format as a date in a request header. (#35)
      * avoid duplicated Date header when running under mod_ruby. (#127)
      * reason phrase in Message#reason contains \r. (#122)
      * trim "\n"s in base64 encoded BasicAuth value for interoperability.
        (#149)
      * let retry_connect return a Message not a content. (#119)
      * rescue SocketError and dump a message when a wrong address given. (#152)

    * HTTP-Cookies
      * changed "domain" parameter matching condition statement to allow
        followings; (#24, #32, #118, #147)
        * [host, domain] = [rubyforge.com, .rubyforge.com]
        * [host, domain] = [reddit.com, reddit.com]

    * SSL
      * bundles CA certificates as trust anchors.
      * allow user to get peer_cert. (#117, #123)
      * added wildcard certificate support. (#151)
      * SSL + HTTP keep-alive + long wait causes uncaught exception.  fixed.
        (#120)

    * Connection
      * fixed a loop condition bug that caused intermittent empty response.
        (#150, #26, #125)

  September 16, 2005 - version 2.0.6

    * HTTP
      * allows redirects from a "POST" request.  imported a patch from sveit.
        Thanks! (#7)
      * add 'content-type: application/application/x-www-form-urlencoded' when
        a request contains message-body. (#11)
      * HTTP/0.9 support.  (#15)
      * allows submitting multipart forms.  imported a patch from sveit.
        Thanks! (#7)

    * HTTP-Cookies
      * avoid NameError when a cookie value is nil. (#10)
      * added netscape_rule property to CookieManager (false by default).  You
        can turn on the domain attribute test of Netscape rule with the
        property.  cf. http://wp.netscape.com/newsref/std/cookie_spec.html
      * added HTTPClient#cookie_manager property for accessing its properties.
        (#13)
      * added save_all_cookies method to save unused and discarded cookies as
        well.  The patch is from Christian Lademann.  Thanks!  (#21)
      * allow to set cookie_manager.  raise an error when set_cookie_store
        called and cookie_store has already been set. (#20)

    * SSL
      * allows SSL connection debugging when debug_dev != nil. (#14)
      * skip post_connection_check when
        verify_mode == OpenSSL::SSL::VERIFY_NONE.  Thanks to kdraper. (#12)
      * post_connection_check: support a certificate with a wildcard in the
        hostname. (#18)
      * avoid NameError when no peer_cert and VERIFY_FAIL_IF_NO_PEER_CERT
        given.  Thanks to Christian Lademann.

    * Connection
      * insert a connecting host and port to an exception message when
        connecting failed. (#5)
      * added socket_sync property to HTTPClient(HTTPAccess2::Client) that
        controls socket's sync property.  the default value is true.  CAUTION:
        if your ruby is older than 2005-09-06 and you want to use SSL
        connection, do not set socket_sync = false to avoid a blocking bug of
        openssl/buffering.rb.

  December 24, 2004 - version 2.0.5
    This is a minor bug fix release.
    - Connect/Send/Receive timeout cannot be configured. fixed.
    - IPSocket#addr caused SocketError? on Mac OS X 10.3.6 + ruby-1.8.1 GA.
      fixed.
    - There is a server which does not like 'foo.bar.com:80' style Host header.
      The server for http://rubyforge.org/export/rss_sfnews.php seems to
      dislike HTTP/1.1 Host header "Host: rubyforge.net:80".  It returns
      HTTP 302: Found and redirects to the page again, causes
      HTTPAccess2::Client to raise "retry count exceeded".  Keat found that the
      server likes "Host: rubyforge.net" (not with port number).

  February 11, 2004 - version 2.0.4
    - add Client#redirect_uri_callback interface.
    - refactorings and bug fixes found during negative test.
    - add SSL test.

  December 16, 2003 - version 2.0.3
    - no_proxy was broken in 2.0.2.
    - do not dump 'Host' header under protocol_version == 'HTTP/1.0'

  December ?, 2003 - version 2.0.2
    - do not trust HTTP_PROXY environment variable. set proxy server manually.
      http://ftp.ics.uci.edu/pub/websoft/libwww-perl/archive/2001h1/0072.html
      http://ftp.ics.uci.edu/pub/websoft/libwww-perl/archive/2001h1/0241.html
      http://curl.haxx.se/mail/archive-2001-12/0034.html
    - follow ossl2 change.

  October 4, 2003 - version 2.0.1
    Query was not escaped when query was given as an Array or a Hash.  Fixed.
    Do not use http_proxy defined by ENV['http_proxy'] or ENV['HTTP_PROXY'] if
      the destination host is 'localhost'.
    Hosts which matches ENV['no_proxy'] or ENV['NO_PROXY'] won't be proxyed.
      [,:] separated. ("ruby-lang.org:rubyist.net")
      No regexp. (give "ruby-lang.org", not "*.ruby-lang.org")
      If you want specify hot by IP address, give full address.
	("192.168.1.1, 192.168.1.2")

  September 10, 2003 - version 2.0
    CamelCase to non_camel_case.
    SSL support (requires Ruby/OpenSSL).
    Cookies support.  lib/http-access2/cookie.rb is redistributed file which is
      originally included in Webagent by TAKAHASHI `Maki' Masayoshi.  You can
      download the entire package from http://www.rubycolor.org/arc/.

  January 11, 2003 - version J
    ruby/1.8 support.
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