From 065859b90cc5ef403b8f47bd5394b343e556cc4d Mon Sep 17 00:00:00 2001
From: Azul <azul@riseup.net>
Date: Wed, 23 Mar 2016 21:48:52 +0100
Subject: upgrade: remove references to RestClient

CouchRest > 1.2 does not use RestClient anymore. So we should not try to
catch its errors.
---
 .../lib/couchrest/session/store.rb                 | 94 ++++++++++++++++++++++
 1 file changed, 94 insertions(+)
 create mode 100644 vendor/gems/couchrest_session_store/lib/couchrest/session/store.rb

(limited to 'vendor/gems/couchrest_session_store/lib/couchrest/session/store.rb')

diff --git a/vendor/gems/couchrest_session_store/lib/couchrest/session/store.rb b/vendor/gems/couchrest_session_store/lib/couchrest/session/store.rb
new file mode 100644
index 0000000..f209f54
--- /dev/null
+++ b/vendor/gems/couchrest_session_store/lib/couchrest/session/store.rb
@@ -0,0 +1,94 @@
+class CouchRest::Session::Store < ActionDispatch::Session::AbstractStore
+
+  # delegate configure to document
+  def self.configure(*args, &block)
+    CouchRest::Session::Document.configure *args, &block
+  end
+
+  def self.set_options(options)
+    @options = options
+    if @options[:database]
+      CouchRest::Session::Document.use_database @options[:database]
+    end
+  end
+
+  def initialize(app, options = {})
+    super
+    self.class.set_options(options)
+  end
+
+  def cleanup(rows)
+    rows.each do |row|
+      doc = CouchRest::Session::Document.fetch(row['id'])
+      doc.delete
+    end
+  end
+
+  def expired
+    CouchRest::Session::Document.find_by_expires startkey: 1,
+      endkey: Time.now.utc.iso8601
+  end
+
+  def never_expiring
+    CouchRest::Session::Document.find_by_expires endkey: 1
+  end
+
+  private
+
+  def get_session(env, sid)
+    if session = fetch_session(sid)
+      [sid, session]
+    else
+      [generate_sid, {}]
+    end
+  rescue CouchRest::NotFound
+    # session data does not exist anymore
+    return [sid, {}]
+  rescue CouchRest::Unauthorized,
+    Errno::EHOSTUNREACH,
+    Errno::ECONNREFUSED => e
+    # can't connect to couch. We add some status to the session
+    # so the app can react. (Display error for example)
+    return [sid, {"_status" => {"couch" => "unreachable"}}]
+  end
+
+  def set_session(env, sid, session, options)
+    raise CouchRest::NotFound if /^_design\/(.*)/ =~ sid
+    doc = build_or_update_doc(sid, session, options)
+    doc.save
+    return sid
+  # if we can't store the session we just return false.
+  rescue CouchRest::Unauthorized,
+    Errno::EHOSTUNREACH,
+    Errno::ECONNREFUSED => e
+    return false
+  end
+
+  def destroy_session(env, sid, options)
+    doc = secure_get(sid)
+    doc.delete
+    generate_sid unless options[:drop]
+  rescue CouchRest::NotFound
+    # already destroyed - we're done.
+    generate_sid unless options[:drop]
+  end
+
+  def fetch_session(sid)
+    return nil unless sid
+    doc = secure_get(sid)
+    doc.to_session unless doc.expired?
+  end
+
+  def build_or_update_doc(sid, session, options)
+    CouchRest::Session::Document.build_or_update(sid, session, options)
+  end
+
+  # prevent access to design docs
+  # this should be prevented on a couch permission level as well.
+  # but better be save than sorry.
+  def secure_get(sid)
+    raise CouchRest::NotFound if /^_design\/(.*)/ =~ sid
+    CouchRest::Session::Document.fetch(sid)
+  end
+
+end
-- 
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