this is my 1st twitter dev, and i've been wondering what i've done wrong with the oauth stuff. as it turns out, only some of the problems i've faced have been mine!
thanks for the updates and info chinaski007 & Scott i'd like to add some keywords to this post so others may find it: Incorrect Signature perl Net::Twitter oauth twitter dev On Jul 29, 8:32 am, chinaski007 <chinaski...@gmail.com> wrote: > If you are using Net::Twitter inPerl, the developer released a new > release today that now correctly handles OAuth and Unicode-related > issues. > > http://search.cpan.org/dist/Net-Twitter/ > > On Jul 28, 3:21 pm, Scott Carter <scarter28m-goo...@yahoo.com> wrote: > > > This post is geared towardPerlimplementations of OAuth, though it > > may shed some light on recent URI escape problems in other languages > > as well. > > > use Encode qw(encode); > > use URI::Escape; > > > I previously had been escaping my parameters with a call such as: > > my $value = uri_escape(encode("UTF-8",$param)); > > > The encode() call was encoding the $param as UTF-8 octets before > > percent encoding with uri_escape(). > > > The use of uri_escape() above is NOT correct to meet the requirements > > of the OAuth spec. The following is the explanation and fix: > > > # OAUTH spec URI encoding > > # ========================= > > # > > #http://oauth.net/core/1.0a#encoding_parameters > > # with reference to > > #http://tools.ietf.org/html/rfc3986#section-2.3 > > # > > # 5.1. Parameter Encoding > > # > > # All parameter names and values are escaped using the [RFC3986] > > # percent-encoding (%xx) mechanism. Characters not in the > > unreserved character > > # set MUST be encoded. Characters in the unreserved character > > # set MUST NOT be encoded. Hexadecimal characters in encodings > > MUST be upper case. > > # Text names and values MUST be encoded as UTF-8 octets before > > percent-encoding > > # them per [RFC3629] > > # > > # unreserved = ALPHA, DIGIT, '-', '.', '_', '~' > > # > > # > > # URI::Escape > > # ============= > > #http://search.cpan.org/~gaas/URI-1.38/URI/Escape.pm > > # uri_escape() by default encodes > > # "^A-Za-z0-9\-_.!~*'()" > > # > > # We must subtract from this the reserved characters: ! * ' ( ) > > # "^A-Za-z0-9\-_.~" > > # > > > The correct assignment inPerlis thus: > > my $value = uri_escape(encode("UTF-8",$param),"^A-Za-z0-9\-_.~"); > > > I've tested this and it fixed the problems I was having sending > > characters "! " "*" etc. > > > I suspect percent encoding in other languages may need a similar > > implementation. > > > - Scott > > @scott_carterhttp://www.bigtweet.com/
