From a7e4638feee8c58aa2e1178815848ee694eca8b9 Mon Sep 17 00:00:00 2001
From: lnu <lnu@f70e237a-67f3-0310-a06c-d2b8a7116972>
Date: Tue, 11 Jul 2006 16:10:42 +0000
Subject: snowscripts support + content-transfer-encoding fixed

git-svn-id: svn+ssh://svn.gna.org/svn/feed2imap/trunk/feed2imap@103 f70e237a-67f3-0310-a06c-d2b8a7116972
---
 ChangeLog                               |  7 +++++++
 data/doc/feed2imap/examples/feed2imaprc | 13 ++++++++++---
 lib/feed2imap/config.rb                 |  4 +++-
 lib/feed2imap/feed2imap.rb              | 20 +++++++++++++++++---
 lib/feed2imap/itemtomail.rb             |  2 +-
 5 files changed, 38 insertions(+), 8 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 8064425..cc017d5 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+Feed2Imap 0.9 (XX/XX/2006)
+============================
+* Now uses Content-Transfer-Encoding: 8bit (thanks Arnt Gulbrandsen
+  <arnt@gulbrandsen.priv.no>)
+* Now supports Snowscripts, using the 'execurl' and 'filter' config
+  keywords. For more information, see the example configuration file.
+
 Feed2Imap 0.8 (28/06/2006)
 ============================
 * Uses the http_proxy environment variable to determine the proxy server
diff --git a/data/doc/feed2imap/examples/feed2imaprc b/data/doc/feed2imap/examples/feed2imaprc
index eee49f3..0d0c3ed 100644
--- a/data/doc/feed2imap/examples/feed2imaprc
+++ b/data/doc/feed2imap/examples/feed2imaprc
@@ -16,6 +16,12 @@
 #   an item is new or has been updated. It doesn't work well with some web apps
 #   like mediawiki. When this flag is enabled, all items which don't match
 #   exactly a previously downloaded item are considered as new items.
+# Snownews/Liferea scripts support :
+#   execurl: Command to execute that will display the RSS/Atom feed on stdout
+#   filter: Command to execute which will receive the RSS/Atom feed on stdin,
+#    modify it, and output it on stdout.
+#   For more information: http://kiza.kcore.de/software/snownews/snowscripts/
+#
 #
 # If your login contains an @ character, replace it with %40. Other reserved
 # characters can be escaped in the same way (see man ascii to get their code)
@@ -26,10 +32,11 @@ feeds:
   - name: lucas
     url: http://www.lucas-nussbaum.net/blog/?feed=rss2
     target: imap://luser:password@imap.apinc.org/INBOX.Feeds.Lucas
-  - name: linuxfr
-    url: http://linuxfr.org/backend/news/rss20.rss
-    target: imap://luser:password@imap.apinc.org/INBOX.Feeds.LinuxFR
   - name: JabberFrWiki
     url: http://wiki.jabberfr.org/index.php?title=Special:Recentchanges&feed=rss
     target: imaps://luser:password@imap.apinc.org/INBOX.Feeds.JabberFR
     always-new: true
+  - name: LeMonde
+    execurl: "wget -q -O /dev/stdout http://www.lemonde.fr/rss/sequence/0,2-3208,1-0,0.xml"
+    filter: "/home/lucas/lemonde_getbody"
+    target: imap://luser:password@imap.apinc.org/INBOX.Feeds.LeMonde
diff --git a/lib/feed2imap/config.rb b/lib/feed2imap/config.rb
index 38a1faa..10c4d82 100644
--- a/lib/feed2imap/config.rb
+++ b/lib/feed2imap/config.rb
@@ -71,7 +71,7 @@ end
 
 # A configured feed. simple data container.
 class ConfigFeed
-  attr_reader :name, :url, :imapaccount, :folder, :always_new
+  attr_reader :name, :url, :imapaccount, :folder, :always_new, :execurl, :filter
   attr_accessor :body
 
   def initialize(f, imapaccount, folder)
@@ -81,6 +81,8 @@ class ConfigFeed
     @imapaccount, @folder = imapaccount, folder
     @freq = f['min-frequency']
     @always_new =  (f['always-new'] and f['always-new'] != 'false')
+    @execurl = f['execurl']
+    @filter = f['filter']
     @freq = @freq.to_i if @freq
   end
 
diff --git a/lib/feed2imap/feed2imap.rb b/lib/feed2imap/feed2imap.rb
index fcbb357..3cf46aa 100644
--- a/lib/feed2imap/feed2imap.rb
+++ b/lib/feed2imap/feed2imap.rb
@@ -18,7 +18,7 @@ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 =end
 
 # Feed2Imap version
-F2I_VERSION = '0.8'
+F2I_VERSION = '0.9'
 
 require 'feed2imap/config'
 require 'feed2imap/cache'
@@ -27,6 +27,7 @@ require 'logger'
 require 'thread'
 require 'feedparser'
 require 'feed2imap/itemtomail'
+require 'open3'
 
 class Feed2Imap
   def Feed2Imap.version
@@ -98,7 +99,7 @@ class Feed2Imap
       end
     end
     # for each feed, fetch, upload to IMAP and cache
-    @logger.info("Fetching feeds")
+    @logger.info("Fetching and filtering feeds")
     ths = []
     mutex = Mutex::new
     @config.feeds.each do |f|
@@ -108,7 +109,20 @@ class Feed2Imap
           lastcheck = @cache.get_last_check(feed.name) 
           if feed.needfetch(lastcheck)
             mutex.unlock
-            s = HTTPFetcher::fetch(feed.url, @cache.get_last_check(feed.name))
+            if feed.url
+              s = HTTPFetcher::fetch(feed.url, @cache.get_last_check(feed.name))
+            elsif feed.execurl
+              s = %x{#{feed.execurl}}
+            else
+              @logger.warn("No way to fetch feed #{feed.name} !")
+            end
+            if feed.filter
+              Open3::popen3(feed.filter) do |stdin, stdout|
+                stdin.puts s
+                stdin.close
+                s = stdout.read
+              end
+            end
             mutex.lock
             feed.body = s
             @cache.set_last_check(feed.name, Time::now)
diff --git a/lib/feed2imap/itemtomail.rb b/lib/feed2imap/itemtomail.rb
index 755a436..2f569b9 100644
--- a/lib/feed2imap/itemtomail.rb
+++ b/lib/feed2imap/itemtomail.rb
@@ -77,7 +77,7 @@ def item_to_mail(item, index, updated, from = 'Feed2Imap')
   end
   textpart = RMail::Message::new
   textpart.header['Content-Type'] = 'text/plain; charset=utf-8'
-  textpart.header['Content-Transfer-Encoding'] = '7bit'
+  textpart.header['Content-Transfer-Encoding'] = '8bit'
   textpart.body = item.to_text
   htmlpart = RMail::Message::new
   htmlpart.header['Content-Type'] = 'text/html; charset=utf-8'
-- 
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