Pass 1 of webdav (VERY ROUGH) - Functional on Get/Head (Web based listing) and also webdav listing and downloading of resources.

User based authentication and tracking of downloads, however security model not implemented yet.

app/models/dmsf_file_revision.rb

@@ -25,8 +25,8 @@ class DmsfFileRevision < ActiveRecord::Base
   belongs_to :deleted_by_user, :class_name => "User", :foreign_key => "deleted_by_user_id"
   belongs_to :project
 
-  acts_as_customizable
+  acts_as_customizable
-
+
   acts_as_event :title => Proc.new {|o| "#{l(:label_dmsf_updated)}: #{o.file.dmsf_path_str}"},
                 :url => Proc.new {|o| {:controller => 'dmsf_files', :action => 'show', :id => o.file}},
                 :datetime => Proc.new {|o| o.updated_at },
@@ -79,9 +79,9 @@ class DmsfFileRevision < ActiveRecord::Base
         ["disk_filename = :filename", {:filename => self.disk_filename}])
       File.delete(self.disk_file) if dependent.length <= 1 && File.exist?(self.disk_file) 
       DmsfFileRevisionAccess.find(:all, :conditions => ["dmsf_file_revision_id = ?", self.id]).each {|a| a.destroy}
-      CustomValue.find(:all, :conditions => "customized_id = " + self.id.to_s).each do |v|
+      CustomValue.find(:all, :conditions => "customized_id = " + self.id.to_s).each do |v|
-        v.destroy
+        v.destroy
-      end
+      end
       self.destroy
     else
       self.deleted = true
@@ -134,8 +134,8 @@ class DmsfFileRevision < ActiveRecord::Base
     new_revision.name = self.name
     new_revision.folder = self.folder
 
-    new_revision.custom_values = self.custom_values.map(&:clone)
+    new_revision.custom_values = self.custom_values.map(&:clone)
-
+
     return new_revision
   end
   
@@ -209,20 +209,20 @@ class DmsfFileRevision < ActiveRecord::Base
       end
     end
   end
-
-  # Overrides Redmine::Acts::Customizable::InstanceMethods#available_custom_fields
-  def available_custom_fields
-    search_project = nil
-    if self.project.present?
-      search_project = self.project
-    elsif self.project_id.present?
-      search_project = Project.find(self.project_id)
-    end
-    if search_project
-      search_project.all_dmsf_custom_fields
-    else
-      DmsfFileRevisionCustomField.all
-    end
-  end
 
-end
+  # Overrides Redmine::Acts::Customizable::InstanceMethods#available_custom_fields
+  def available_custom_fields
+    search_project = nil
+    if self.project.present?
+      search_project = self.project
+    elsif self.project_id.present?
+      search_project = Project.find(self.project_id)
+    end
+    if search_project
+      search_project.all_dmsf_custom_fields
+    else
+      DmsfFileRevisionCustomField.all
+    end
+  end
+
+end

lib/redmine_dmsf/webdav/base_resource.rb

@@ -1,6 +1,9 @@
 module RedmineDmsf
   module Webdav
     class BaseResource < DAV4Rack::Resource
+      include Redmine::I18n
+      include ActionView::Helpers::NumberHelper
+
 
       DIR_FILE = "<tr><td class=\"name\"><a href=\"%s\">%s</a></td><td class=\"size\">%s</td><td class=\"type\">%s</td><td class=\"mtime\">%s</td></tr>"
 
@@ -24,7 +27,15 @@ module RedmineDmsf
 
         @response.body = ""
         Confict unless collection?
-        entities = children.map{|child| DIR_FILE % [child.public_path.html_safe, child.long_name || child.name, "-", child.special_type || child.content_type, child.last_modified]} * "\n"
+        entities = children.map{|child| 
+          DIR_FILE % [
+            child.public_path, 
+            child.long_name || child.name, 
+            child.collection? ? '-' : number_to_human_size(child.content_length),
+            child.special_type || child.content_type, 
+            child.last_modified
+          ]
+        } * "\n"
         @response.body << index_page % [ path.empty? ? "/" : path, path.empty? ? "/" : path , entities ]
       end
 
@@ -62,6 +73,12 @@ table { width:100%%; }
       end
 
       protected
+      def basename
+        File.basename(path)
+      end
+      def dirname
+        File.dirname(path)
+      end
       def Project
         return @Project unless @Project.nil?
         pinfo = @path.split('/').drop(1)
@@ -72,6 +89,9 @@ table { width:100%%; }
           end
         end
       end
+      def projectless_path
+        '/'+path.split('/').drop(2).join('/')
+      end
     end
   end
 end

lib/redmine_dmsf/webdav/dmsf_resource.rb

@@ -0,0 +1,132 @@
+module RedmineDmsf
+  module Webdav
+    class DmsfResource < BaseResource
+
+      def children
+        NotFound unless exist? && folder?
+        return @children unless @children.nil?
+        @children = []
+        @_folderdata.subfolders.map do |p|
+          @children.push child(p.title, p)
+        end
+        @_folderdata.files.map do |p|
+          @children.push child(p.name, p)
+        end
+        @children
+        
+      end
+
+      def exist?
+        folder? || file?
+      end
+
+      def collection?
+        exist? && folder?
+      end
+
+      def folder?
+        return @_folder unless @_folder.nil?
+        @_folder = false
+        folders = DmsfFolder.find(:all, :conditions => ["project_id = :project_id", {:project_id => self.Project.id}], :order => "title ASC")
+        folders.delete_if {|x| x.title != basename}
+        return false unless folders.length > 0
+        if (folders.length > 1) then
+          folders.delete_if {|x| x.dmsf_path_str != projectless_path}
+          return false unless folders.length > 0
+          @_folder=true
+          @_folderdata = folders[0]
+        else
+          if ('/'+folders[0].dmsf_path_str == projectless_path) then
+            @_folder=true
+            @_folderdata = folders[0]
+          else
+            @_folder= false
+          end
+        end
+        @_folder
+      end
+
+      def file?
+        return @_file unless @_file.nil?
+        @_file = false
+        files = DmsfFile.find(:all, :conditions => ["project_id = :project_id AND name = :file_name AND deleted = :deleted", {:project_id => self.Project.id, :file_name => basename, :deleted => false}], :order => "name ASC")
+        files.delete_if {|x| File.dirname('/'+x.dmsf_path_str) != File.dirname(projectless_path)}
+        if files.length > 0
+          @_filedata = files[0]
+          @_file = true
+        end
+      end
+
+      def content_type
+        if folder? then
+          "inode/directory"
+        elsif file?
+          @_filedata.last_revision.detect_content_type
+        else
+          NotFound
+        end
+      end
+
+      def creation_date
+        if folder?
+          @_folderdata.created_at
+        elsif file?
+          @_filedata.created_at
+        else
+          NotFound
+        end
+      end
+
+      def last_modified
+        if folder?
+          @_folderdata.updated_at
+        elsif file?
+          @_filedata.updated_at
+        else
+          NotFound
+        end
+      end
+
+      def etag
+        filesize = file? ? @_filedata.size : 4096;
+        fileino = file? ? File.stat(@_filedata.last_revision.disk_file).ino : 2;
+        sprintf('%x-%x-%x', fileino, filesize, last_modified.to_i)
+      end
+
+      def content_length
+        file? ? @_filedata.size : 4096;
+      end
+
+      def special_type
+        l(:field_folder) if folder?
+      end
+
+      def get(request, response)
+        raise NotFound unless exist?
+        if collection?
+          html_display
+          response['Content-Length'] = response.body.bytesize.to_s
+        else
+          response.body = download
+        end
+        OK
+      end
+
+      protected 
+      def download
+        raise NotFound unless file?
+        #log_activity("downloaded")
+        if @request.env['HTTP_RANGE'].nil?
+          access = DmsfFileRevisionAccess.new(:user_id => User.current.id, :dmsf_file_revision_id => @_filedata.last_revision.id,
+            :action => DmsfFileRevisionAccess::DownloadAction)
+          access.save!
+        end
+
+        Download.new(@_filedata.last_revision.disk_file)
+        
+      end
+    end
+  end
+end
+
+

lib/redmine_dmsf/webdav/download.rb

@@ -0,0 +1,32 @@
+require 'time'
+require 'rack/utils'
+require 'rack/mime'
+
+module RedmineDmsf
+  module Webdav
+    class Download < Rack::File
+      def initialize(root, cache_control = nil)
+        @path = root
+        @cache_control = cache_control
+      end
+
+      def _call(env)
+        unless ALLOWED_VERBS.include? env["REQUEST_METHOD"]
+          return fail(405, "Method Not Allowed")
+        end
+
+        available = begin
+          F.file?(@path) && F.readable?(@path)
+        rescue SystemCallError
+          false
+        end
+
+        if available
+          serving(env)
+        else
+          raise NotFound
+        end
+      end
+    end
+  end
+end

lib/redmine_dmsf/webdav/project_resource.rb

@@ -9,21 +9,18 @@ module RedmineDmsf
       def children
         #caching for repeat usage
         return @children unless @children.nil?
+        @children = []
         DmsfFolder.project_root_folders(self.Project).map do |p|
-          child p.title, p
+          @children.push child(p.title, p)
         end
         DmsfFile.project_root_files(self.Project).map do |p|
-          child p.display_name, p
+          @children.push child(p.name, p)
         end
-      end
+        @children
-
-
-      def name
-        self.Project.name unless self.Project.nil?
       end
 
       def exist?
-        !self.Project.nil?
+        !(self.Project.nil? || User.current.anonymous?)
       end
 
       def collection?
@@ -55,7 +52,7 @@ module RedmineDmsf
       end
 
       def special_type
-        "Project"
+        l(:field_project)
       end
 
       def content_length