Add an expiry header to trace images.

[rails.git] / app / controllers / trace_controller.rb

diff --git a/app/controllers/trace_controller.rb b/app/controllers/trace_controller.rb
index 7c5bd7db00df0d64b4561a170fe5bf749eba5723..cabbb4ff90f916763b3f48cf7a76da9b22453151 100644 (file)
--- a/app/controllers/trace_controller.rb
+++ b/app/controllers/trace_controller.rb
@@ -1,7 +1,13 @@
 class TraceController < ApplicationController
 class TraceController < ApplicationController

-  before_filter :authorize_web  
-  before_filter :authorize, :only => [:api_details, :api_data, :api_create]

   layout 'site'
   layout 'site'

+
+  before_filter :authorize_web
+  before_filter :require_user, :only => [:mine, :create, :edit, :delete, :make_public]
+  before_filter :authorize, :only => [:api_details, :api_data, :api_create]
+  before_filter :check_database_readable, :except => [:api_details, :api_data, :api_create]
+  before_filter :check_database_writable, :only => [:create, :edit, :delete, :make_public]
+  before_filter :check_api_readable, :only => [:api_details, :api_data]
+  before_filter :check_api_writable, :only => [:api_create]

  
   # Counts and selects pages of GPX traces for various criteria (by user, tags, public etc.).
   #  target_user - if set, specifies the user to fetch traces for.  if not set will fetch all traces
  
   # Counts and selects pages of GPX traces for various criteria (by user, tags, public etc.).
   #  target_user - if set, specifies the user to fetch traces for.  if not set will fetch all traces


@@ -9,13 +15,18 @@ class TraceController < ApplicationController
     # from display name, pick up user id if one user's traces only
     display_name = params[:display_name]
     if target_user.nil? and !display_name.blank?
     # from display name, pick up user id if one user's traces only
     display_name = params[:display_name]
     if target_user.nil? and !display_name.blank?

-      target_user = User.find(:first, :conditions => [ "display_name = ?", display_name])
+      target_user = User.find(:first, :conditions => [ "visible = ? and display_name = ?", true, display_name])
+      if target_user.nil?
+        @not_found_user = display_name
+        render :action => 'no_such_user', :status => :not_found
+        return
+      end

     end
 
     # set title
     if target_user.nil?
       @title = "Public GPS traces"
     end
 
     # set title
     if target_user.nil?
       @title = "Public GPS traces"

-    elsif @user and @user.id == target_user.id
+    elsif @user and @user == target_user

       @title = "Your GPS traces"
     else
       @title = "Public GPS traces from #{target_user.display_name}"
       @title = "Your GPS traces"
     else
       @title = "Public GPS traces from #{target_user.display_name}"


@@ -30,25 +41,27 @@ class TraceController < ApplicationController
     # 4 - user's traces, not logged in as that user = all user's public traces
     if target_user.nil? # all traces
       if @user
     # 4 - user's traces, not logged in as that user = all user's public traces
     if target_user.nil? # all traces
       if @user

-        conditions = ["(gpx_files.public = 1 OR gpx_files.user_id = ?)", @user.id] #1
+        conditions = ["(gpx_files.public = ? OR gpx_files.user_id = ?)", true, @user.id] #1

       else
       else

-        conditions  = ["gpx_files.public = 1"] #2
+        conditions  = ["gpx_files.public = ?", true] #2

       end
     else
       end
     else

-      if @user and @user.id == target_user.id
+      if @user and @user == target_user

         conditions = ["gpx_files.user_id = ?", @user.id] #3 (check vs user id, so no join + can't pick up non-public traces by changing name)
       else
         conditions = ["gpx_files.user_id = ?", @user.id] #3 (check vs user id, so no join + can't pick up non-public traces by changing name)
       else

-        conditions = ["gpx_files.public = 1 AND gpx_files.user_id = ?", target_user.id] #4
+        conditions = ["gpx_files.public = ? AND gpx_files.user_id = ?", true, target_user.id] #4

       end
     end
     
     if params[:tag]
       @tag = params[:tag]
       end
     end
     
     if params[:tag]
       @tag = params[:tag]

-      conditions[0] += " AND EXISTS (SELECT * FROM gpx_file_tags AS gft WHERE gft.gpx_id = gpx_files.id AND gft.tag = ?)"
-      conditions << @tag
+
+      files = Tracetag.find_all_by_tag(params[:tag]).collect { |tt| tt.gpx_id }
+      conditions[0] += " AND gpx_files.id IN (#{files.join(',')})"

     end
     
     end
     

-    conditions[0] += " AND gpx_files.visible = 1"
+    conditions[0] += " AND gpx_files.visible = ?"
+    conditions << true

 
     @trace_pages, @traces = paginate(:traces,
                                      :include => [:user, :tags],
 
     @trace_pages, @traces = paginate(:traces,
                                      :include => [:user, :tags],


@@ -74,46 +87,47 @@ class TraceController < ApplicationController
   end
 
   def mine
   end
 
   def mine

-    if @user
-      list(@user, "mine") unless @user.nil?
-    else
-      redirect_to :controller => 'user', :action => 'login', :referer => request.request_uri
-    end
+    list(@user, "mine")

   end
 
   def view
     @trace = Trace.find(params[:id])
   end
 
   def view
     @trace = Trace.find(params[:id])

-    @title = "Viewing trace #{@trace.name}"
-    if !@trace.visible?
-      render :nothing => true, :status => :not_found
-    elsif !@trace.public? and @trace.user.id != @user.id
-      render :nothing => true, :status => :forbidden
+
+    if @trace and @trace.visible? and
+       (@trace.public? or @trace.user == @user)
+      @title = "Viewing trace #{@trace.name}"
+    else
+      flash[:notice] = "Trace not found!"
+      redirect_to :controller => 'trace', :action => 'list'

     end
   rescue ActiveRecord::RecordNotFound
     end
   rescue ActiveRecord::RecordNotFound

-    render :nothing => true, :status => :not_found
+    flash[:notice] = "Trace not found!"
+    redirect_to :controller => 'trace', :action => 'list'

   end
 
   def create
   end
 
   def create

-    logger.info(params[:trace][:gpx_file].class.name)
-    if params[:trace][:gpx_file].respond_to?(:read)
-      do_create(params[:trace][:gpx_file], params[:trace][:tagstring],
-                params[:trace][:description], params[:trace][:public])
+    if params[:trace]
+      logger.info(params[:trace][:gpx_file].class.name)
+      if params[:trace][:gpx_file].respond_to?(:read)
+        do_create(params[:trace][:gpx_file], params[:trace][:tagstring],
+                  params[:trace][:description], params[:trace][:public])

 
 

-      if @trace.id
-        logger.info("id is #{@trace.id}")
-        flash[:notice] = "Your GPX file has been uploaded and is awaiting insertion in to the database. This will usually happen within half an hour, and an email will be sent to you on completion."
+        if @trace.id
+          logger.info("id is #{@trace.id}")
+          flash[:notice] = "Your GPX file has been uploaded and is awaiting insertion in to the database. This will usually happen within half an hour, and an email will be sent to you on completion."

 
 

-        redirect_to :action => 'mine'
+          redirect_to :action => 'mine'
+        end
+      else
+        @trace = Trace.new({:name => "Dummy",
+                            :tagstring => params[:trace][:tagstring],
+                            :description => params[:trace][:description],
+                            :public => params[:trace][:public],
+                            :inserted => false, :user => @user,
+                            :timestamp => Time.now.getutc})
+        @trace.valid?
+        @trace.errors.add(:gpx_file, "can't be blank")

       end
       end

-    else
-      @trace = Trace.new({:name => "Dummy",
-                          :tagstring => params[:trace][:tagstring],
-                          :description => params[:trace][:description],
-                          :public => params[:trace][:public],
-                          :inserted => false, :user => @user,
-                          :timestamp => Time.now})
-      @trace.valid?
-      @trace.errors.add(:gpx_file, "can't be blank")

     end
   end
 
     end
   end
 


@@ -121,9 +135,13 @@ class TraceController < ApplicationController
     trace = Trace.find(params[:id])
 
     if trace.visible? and (trace.public? or (@user and @user == trace.user))
     trace = Trace.find(params[:id])
 
     if trace.visible? and (trace.public? or (@user and @user == trace.user))

-      send_file(trace.trace_name, :filename => "#{trace.id}#{trace.extension_name}", :type => trace.mime_type, :disposition => 'attachment')
+      if request.format == Mime::XML
+        send_file(trace.xml_file, :filename => "#{trace.id}.xml", :type => Mime::XML.to_s, :disposition => 'attachment')
+      else
+        send_file(trace.trace_name, :filename => "#{trace.id}#{trace.extension_name}", :type => trace.mime_type, :disposition => 'attachment')
+      end

     else
     else

-      render :nothing, :status => :not_found
+      render :nothing => true, :status => :not_found

     end
   rescue ActiveRecord::RecordNotFound
     render :nothing => true, :status => :not_found
     end
   rescue ActiveRecord::RecordNotFound
     render :nothing => true, :status => :not_found


@@ -141,7 +159,7 @@ class TraceController < ApplicationController
         end        
       end
     else
         end        
       end
     else

-      render :nothing, :status => :forbidden
+      render :nothing => true, :status => :forbidden

     end
   rescue ActiveRecord::RecordNotFound
     render :nothing => true, :status => :not_found
     end
   rescue ActiveRecord::RecordNotFound
     render :nothing => true, :status => :not_found


@@ -157,10 +175,10 @@ class TraceController < ApplicationController
         flash[:notice] = 'Track scheduled for deletion'
         redirect_to :controller => 'traces', :action => 'mine'
       else
         flash[:notice] = 'Track scheduled for deletion'
         redirect_to :controller => 'traces', :action => 'mine'
       else

-        render :nothing, :status => :bad_request
+        render :nothing => true, :status => :bad_request

       end
     else
       end
     else

-      render :nothing, :status => :forbidden
+      render :nothing => true, :status => :forbidden

     end
   rescue ActiveRecord::RecordNotFound
     render :nothing => true, :status => :not_found
     end
   rescue ActiveRecord::RecordNotFound
     render :nothing => true, :status => :not_found


@@ -176,23 +194,23 @@ class TraceController < ApplicationController
         flash[:notice] = 'Track made public'
         redirect_to :controller => 'trace', :action => 'view', :id => params[:id]
       else
         flash[:notice] = 'Track made public'
         redirect_to :controller => 'trace', :action => 'view', :id => params[:id]
       else

-        render :nothing, :status => :bad_request
+        render :nothing => true, :status => :bad_request

       end
     else
       end
     else

-      render :nothing, :status => :forbidden
+      render :nothing => true, :status => :forbidden

     end
   rescue ActiveRecord::RecordNotFound
     render :nothing => true, :status => :not_found
   end
 
   def georss
     end
   rescue ActiveRecord::RecordNotFound
     render :nothing => true, :status => :not_found
   end
 
   def georss

-    conditions = ["gpx_files.public = 1"]
+    conditions = ["gpx_files.public = ?", true]

 
     if params[:display_name]
       conditions[0] += " AND users.display_name = ?"
       conditions << params[:display_name]
     end
 
     if params[:display_name]
       conditions[0] += " AND users.display_name = ?"
       conditions << params[:display_name]
     end

-    
+

     if params[:tag]
       conditions[0] += " AND EXISTS (SELECT * FROM gpx_file_tags AS gft WHERE gft.gpx_id = gpx_files.id AND gft.tag = ?)"
       conditions << params[:tag]
     if params[:tag]
       conditions[0] += " AND EXISTS (SELECT * FROM gpx_file_tags AS gft WHERE gft.gpx_id = gpx_files.id AND gft.tag = ?)"
       conditions << params[:tag]


@@ -215,9 +233,10 @@ class TraceController < ApplicationController
 
     if trace.inserted?
       if trace.public? or (@user and @user == trace.user)
 
     if trace.inserted?
       if trace.public? or (@user and @user == trace.user)

+        expires_in 7.days, :private => !trace.public, :public => trace.public

         send_file(trace.large_picture_name, :filename => "#{trace.id}.gif", :type => 'image/gif', :disposition => 'inline')
       else
         send_file(trace.large_picture_name, :filename => "#{trace.id}.gif", :type => 'image/gif', :disposition => 'inline')
       else

-        render :nothing, :status => :forbidden
+        render :nothing => true, :status => :forbidden

       end
     else
       render :nothing => true, :status => :not_found
       end
     else
       render :nothing => true, :status => :not_found


@@ -231,9 +250,10 @@ class TraceController < ApplicationController
 
     if trace.inserted?
       if trace.public? or (@user and @user == trace.user)
 
     if trace.inserted?
       if trace.public? or (@user and @user == trace.user)

+        expires_in 7.days, :private => !trace.public, :public => trace.public

         send_file(trace.icon_picture_name, :filename => "#{trace.id}_icon.gif", :type => 'image/gif', :disposition => 'inline')
       else
         send_file(trace.icon_picture_name, :filename => "#{trace.id}_icon.gif", :type => 'image/gif', :disposition => 'inline')
       else

-        render :nothing, :status => :forbidden
+        render :nothing => true, :status => :forbidden

       end
     else
       render :nothing => true, :status => :not_found
       end
     else
       render :nothing => true, :status => :not_found


@@ -268,12 +288,20 @@ class TraceController < ApplicationController
 
   def api_create
     if request.post?
 
   def api_create
     if request.post?

-      do_create(params[:file], params[:tags], params[:description], params[:public])
-
-      if @trace.id
-        render :text => @trace.id.to_s, :content_type => "text/plain"
-      elsif @trace.valid?
-        render :nothing => true, :status => :internal_server_error
+      tags = params[:tags] || ""
+      description = params[:description] || ""
+      pub = params[:public] || false
+      
+      if params[:file].respond_to?(:read)
+        do_create(params[:file], tags, description, pub)
+
+        if @trace.id
+          render :text => @trace.id.to_s, :content_type => "text/plain"
+        elsif @trace.valid?
+          render :nothing => true, :status => :internal_server_error
+        else
+          render :nothing => true, :status => :bad_request
+        end

       else
         render :nothing => true, :status => :bad_request
       end
       else
         render :nothing => true, :status => :bad_request
       end


@@ -285,22 +313,50 @@ class TraceController < ApplicationController
 private
 
   def do_create(file, tags, description, public)
 private
 
   def do_create(file, tags, description, public)

+    # Sanitise the user's filename

     name = file.original_filename.gsub(/[^a-zA-Z0-9.]/, '_')
     name = file.original_filename.gsub(/[^a-zA-Z0-9.]/, '_')

+
+    # Get a temporary filename...

     filename = "/tmp/#{rand}"
 
     filename = "/tmp/#{rand}"
 

+    # ...and save the uploaded file to that location

     File.open(filename, "w") { |f| f.write(file.read) }
 
     File.open(filename, "w") { |f| f.write(file.read) }
 

-    @trace = Trace.new({:name => name, :tagstring => tags,
-                        :description => description, :public => public})
-    @trace.inserted = false
-    @trace.user = @user
-    @trace.timestamp = Time.now
-
+    # Create the trace object, falsely marked as already
+    # inserted to stop the import daemon trying to load it
+    @trace = Trace.new({
+      :name => name,
+      :tagstring => tags,
+      :description => description,
+      :public => public,
+      :inserted => true,
+      :user => @user,
+      :timestamp => Time.now.getutc
+    })
+
+    # Save the trace object

     if @trace.save
     if @trace.save

-      File.rename(filename, @trace.trace_name)
+      # Rename the temporary file to the final name
+      FileUtils.mv(filename, @trace.trace_name)
+
+      # Clear the inserted flag to make the import daemon load the trace
+      @trace.inserted = false
+      @trace.save!

     else
     else

+      # Remove the file as we have failed to update the database

       FileUtils.rm_f(filename)
     end
       FileUtils.rm_f(filename)
     end

+    
+    # Finally save whether the user marked the trace as being public
+    if @trace.public?
+      if @user.trace_public_default.nil?
+        @user.preferences.create(:k => "gps.trace.public", :v => "default")
+      end
+    else
+      pref = @user.trace_public_default
+      pref.destroy unless pref.nil?
+    end
+    

   end
 
 end
   end
 
 end