X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/2788050685113365d6b8690c093f4e5c29fb6590..dedd87da28b291db044318c1c114df8266b6c181:/app/controllers/trace_controller.rb?ds=inline

diff --git a/app/controllers/trace_controller.rb b/app/controllers/trace_controller.rb
index 5b1702948..9c4a9d8bd 100644
--- a/app/controllers/trace_controller.rb
+++ b/app/controllers/trace_controller.rb
@@ -1,233 +1,425 @@
 class TraceController < ApplicationController
-  before_filter :authorize_web  
-  before_filter :authorize, :only => [:api_details, :api_data, :api_create]
   layout 'site'
- 
+
+  skip_before_filter :verify_authenticity_token, :only => [:api_create, :api_read, :api_update, :api_delete, :api_data]
+  before_filter :authorize_web
+  before_filter :set_locale
+  before_filter :require_user, :only => [:mine, :create, :edit, :delete]
+  before_filter :authorize, :only => [:api_create, :api_read, :api_update, :api_delete, :api_data]
+  before_filter :check_database_readable, :except => [:api_read, :api_data]
+  before_filter :check_database_writable, :only => [:create, :edit, :delete, :api_create, :api_update, :api_delete]
+  before_filter :check_api_readable, :only => [:api_read, :api_data]
+  before_filter :check_api_writable, :only => [:api_create, :api_update, :api_delete]
+  before_filter :require_allow_read_gpx, :only => [:api_read, :api_data]
+  before_filter :require_allow_write_gpx, :only => [:api_create, :api_update, :api_delete]
+  before_filter :offline_warning, :only => [:mine, :view]
+  before_filter :offline_redirect, :only => [:create, :edit, :delete, :data, :api_create, :api_delete, :api_data]
+  around_filter :api_call_handle_error, :only => [:api_create, :api_read, :api_update, :api_delete, :api_data]
+
   # 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
-  #  paging_action - the action that will be linked back to from view
-  def list (target_user = nil, paging_action = 'list')
-    @title = 'public GPS traces'
-    @title += " tagged with #{params[:tag]}" if params[:tag]
-    @traces_per_page = 20
-    page_index = params[:page] ? params[:page].to_i - 1 : 0 # nice 1-based page -> 0-based page index
-
+  def list
     # 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 and display_name != ''
-      @paging_action = 'view'
-      @display_name = display_name
-      @title += " from #{@display_name}"
-      target_user = User.find(:first, :conditions => [ "display_name = ?", display_name])
+    if !display_name.blank?
+      target_user = User.active.where(:display_name => display_name).first
+      if target_user.nil?
+        render_unknown_user display_name
+        return
+      end
     end
 
-    opt = Hash.new
-    opt[:include] = [:user, :tags] # load users and tags from db at same time as traces
+    # set title
+    if target_user.nil?
+      @title = t 'trace.list.public_traces'
+    elsif @user and @user == target_user
+      @title = t 'trace.list.your_traces'
+    else
+      @title = t 'trace.list.public_traces_from', :user => target_user.display_name
+    end
+
+    @title += t 'trace.list.tagged_with', :tags => params[:tag] if params[:tag]
 
     # four main cases:
     # 1 - all traces, logged in = all public traces + all user's (i.e + all mine)
     # 2 - all traces, not logged in = all public traces
-    # 3 - user's traces, logged in as same user = all user's traces 
+    # 3 - user's traces, logged in as same user = all user's traces
     # 4 - user's traces, not logged in as that user = all user's public traces
     if target_user.nil? # all traces
       if @user
-        conditions = ["(public = 1 OR user_id = ?)", @user.id] #1
+        @traces = Trace.visible_to(@user) #1
       else
-        conditions  = ["public = 1"] #2
+        @traces = Trace.public #2
       end
     else
-      if @user and @user.id == target_user.id
-        conditions = ["user_id = ?", @user.id] #3 (check vs user id, so no join + can't pick up non-public traces by changing name)
+      if @user and @user == target_user
+        @traces = @user.traces #3 (check vs user id, so no join + can't pick up non-public traces by changing name)
       else
-        conditions = ["public = 1 AND user_id = ?", target_user.id] #4
+        @traces = target_user.traces.public #4
       end
     end
-    conditions[0] += " AND users.display_name != ''" # users need to set display name before traces will be exposed
-    
-    opt[:order] = 'timestamp DESC'
+
     if params[:tag]
-      @tag = params[:tag]
-      conditions[0] += " AND gpx_file_tags.tag = ?"
-      conditions << @tag;
+      @traces = @traces.tagged(params[:tag])
     end
-    
-    opt[:conditions] = conditions
 
-    # count traces using all options except limit
-    @max_trace = Trace.count(opt)
-    @max_page = Integer((@max_trace + 1) / @traces_per_page) 
-    
-    # last step before fetch - add paging options
-    opt[:limit] = @traces_per_page
-    if page_index > 0
-      opt[:offset] = @traces_per_page * page_index
-    end
+    @page = (params[:page] || 1).to_i
+    @page_size = 20
+
+    @traces = @traces.visible
+    @traces = @traces.order("timestamp DESC")
+    @traces = @traces.offset((@page - 1) * @page_size)
+    @traces = @traces.limit(@page_size)
+    @traces = @traces.includes(:user, :tags)
 
-    @traces = Trace.find(:all , opt)
-    
     # put together SET of tags across traces, for related links
     tagset = Hash.new
-    if @traces
-      @traces.each do |trace|
-        trace.tags.reload if params[:tag] # if searched by tag, ActiveRecord won't bring back other tags, so do explicitly here
-        trace.tags.each do |tag|
-          tagset[tag.tag] = tag.tag
-        end
+    @traces.each do |trace|
+      trace.tags.reload if params[:tag] # if searched by tag, ActiveRecord won't bring back other tags, so do explicitly here
+      trace.tags.each do |tag|
+        tagset[tag.tag] = tag.tag
       end
     end
-    
+
     # final helper vars for view
-    @display_name = display_name
+    @target_user = target_user
+    @display_name = target_user.display_name if target_user
     @all_tags = tagset.values
-    @paging_action = paging_action # the action that paging requests should route back to, e.g. 'list' or 'mine'
-    @page = page_index + 1 # nice 1-based external page numbers
   end
 
   def mine
-    if @user
-      list(@user, 'mine') unless @user.nil?
-    else
-      redirect_to :controller => 'user', :action => 'login', :referer => request.request_uri
-    end
+    redirect_to :action => :list, :display_name => @user.display_name
   end
 
   def view
     @trace = Trace.find(params[:id])
-    unless @trace.public
-      if @user
-        render :nothing, :status => :forbidden if @trace.user.id != @user.id
-      end
+
+    if @trace and @trace.visible? and
+       (@trace.public? or @trace.user == @user)
+      @title = t 'trace.view.title', :name => @trace.name
+    else
+      flash[:error] = t 'trace.view.trace_not_found'
+      redirect_to :controller => 'trace', :action => 'list'
     end
+  rescue ActiveRecord::RecordNotFound
+    flash[:error] = t 'trace.view.trace_not_found'
+    redirect_to :controller => 'trace', :action => 'list'
   end
 
   def create
-    name = params[:trace][:gpx_file].original_filename.gsub(/[^a-zA-Z0-9.]/, '_') # This makes sure filenames are sane
+    if params[:trace]
+      logger.info(params[:trace][:gpx_file].class.name)
+
+      if params[:trace][:gpx_file].respond_to?(:read)
+        begin
+          do_create(params[:trace][:gpx_file], params[:trace][:tagstring],
+                    params[:trace][:description], params[:trace][:visibility])
+        rescue => ex
+          logger.debug ex
+        end
 
-    do_create(name, params[:trace][:tagstring], params[:trace][:description], params[:trace][:public]) do |f|
-      f.write(params[:trace][:gpx_file].read)
-    end
+        if @trace.id
+          logger.info("id is #{@trace.id}")
+          flash[:notice] = t 'trace.create.trace_uploaded'
 
-    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 @user.traces.where(:inserted => false).count > 4
+            flash[:warning] = t 'trace.trace_header.traces_waiting', :count => @user.traces.where(:inserted => false).count
+          end
 
-      redirect_to :action => 'mine'
+          redirect_to :action => :list, :display_name => @user.display_name
+        end
+      else
+        @trace = Trace.new({:name => "Dummy",
+                            :tagstring => params[:trace][:tagstring],
+                            :description => params[:trace][:description],
+                            :visibility => params[:trace][:visibility],
+                            :inserted => false, :user => @user,
+                            :timestamp => Time.now.getutc})
+        @trace.valid?
+        @trace.errors.add(:gpx_file, "can't be blank")
+      end
+    else
+      @trace = Trace.new(:visibility => default_visibility)
     end
+
+    @title = t 'trace.create.upload_trace'
   end
 
   def data
     trace = Trace.find(params[:id])
-    if trace and (trace.public? or (@user and @user == trace.user))
-      send_file(trace.trace_name, :filename => "#{trace.id}.gpx", :type => trace.mime_type, :disposition => 'attachment')
+
+    if trace.visible? and (trace.public? or (@user and @user == trace.user))
+      if Acl.no_trace_download(request.remote_ip)
+        render :text => "", :status => :forbidden
+      elsif request.format == Mime::XML
+        send_file(trace.xml_file, :filename => "#{trace.id}.xml", :type => request.format.to_s, :disposition => 'attachment')
+      elsif request.format == Mime::GPX
+        send_file(trace.xml_file, :filename => "#{trace.id}.gpx", :type => request.format.to_s, :disposition => 'attachment')
+      else
+        send_file(trace.trace_name, :filename => "#{trace.id}#{trace.extension_name}", :type => trace.mime_type, :disposition => 'attachment')
+      end
+    else
+      render :text => "", :status => :not_found
+    end
+  rescue ActiveRecord::RecordNotFound
+    render :text => "", :status => :not_found
+  end
+
+  def edit
+    @trace = Trace.find(params[:id])
+
+    if not @trace.visible?
+      render :text => "", :status => :not_found
+    elsif @user.nil? or @trace.user != @user
+      render :text => "", :status => :forbidden
     else
-      render :nothing, :status => :not_found
+      @title = t 'trace.edit.title', :name => @trace.name
+
+      if params[:trace]
+        @trace.description = params[:trace][:description]
+        @trace.tagstring = params[:trace][:tagstring]
+        @trace.visibility = params[:trace][:visibility]
+        if @trace.save
+          redirect_to :action => 'view', :display_name => @user.display_name
+        end
+      end
     end
+  rescue ActiveRecord::RecordNotFound
+    render :text => "", :status => :not_found
   end
 
-  def make_public
+  def delete
     trace = Trace.find(params[:id])
-    if @user and trace.user == @user and !trace.public
-      trace.public = true
+
+    if not trace.visible?
+      render :text => "", :status => :not_found
+    elsif @user.nil? or trace.user != @user
+      render :text => "", :status => :forbidden
+    else
+      trace.visible = false
       trace.save
-      flash[:notice] = 'Track made public'
-      redirect_to :controller => 'trace', :action => 'view', :id => params[:id]
+      flash[:notice] = t 'trace.delete.scheduled_for_deletion'
+      redirect_to :action => :list, :display_name => @user.display_name
     end
+  rescue ActiveRecord::RecordNotFound
+    render :text => "", :status => :not_found
   end
 
   def georss
-    traces = Trace.find(:all, :conditions => ['public = true'], :order => 'timestamp DESC', :limit => 20)
+    @traces = Trace.public.visible
 
-    rss = OSM::GeoRSS.new
+    if params[:display_name]
+      @traces = @traces.joins(:user).where(:users => {:display_name => params[:display_name]})
+    end
 
-    #def add(latitude=0, longitude=0, title_text='dummy title', url='http://www.example.com/', description_text='dummy description', timestamp=Time.now)
-    traces.each do |trace|
-      rss.add(trace.latitude, trace.longitude, trace.name, url_for({:controller => 'trace', :action => 'view', :id => trace.id, :display_name => trace.user.display_name}), "<img src='#{url_for({:controller => 'trace', :action => 'icon', :id => trace.id, :user_login => trace.user.display_name})}'> GPX file with #{trace.size} points from #{trace.user.display_name}", trace.timestamp)
+    if params[:tag]
+      @traces = @traces.tagged(params[:tag])
     end
 
-    render :text => rss.to_s, :content_type => "application/rss+xml"
+    @traces = @traces.order("timestamp DESC")
+    @traces = @traces.limit(20)
+    @traces = @traces.includes(:user)
   end
 
   def picture
-    begin
-      trace = Trace.find(params[:id])
+    trace = Trace.find(params[:id])
 
+    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
-        render :nothing, :status => :forbidden
+        render :text => "", :status => :forbidden
       end
-    rescue ActiveRecord::RecordNotFound
-      render :nothing => true, :status => :not_found
-    rescue
-      render :nothing => true, :status => :internal_server_error
+    else
+      render :text => "", :status => :not_found
     end
+  rescue ActiveRecord::RecordNotFound
+    render :text => "", :status => :not_found
   end
 
   def icon
-    begin
-      trace = Trace.find(params[:id])
+    trace = Trace.find(params[:id])
 
+    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
-        render :nothing, :status => :forbidden
+        render :text => "", :status => :forbidden
       end
-    rescue ActiveRecord::RecordNotFound
-      render :nothing => true, :status => :not_found
-    rescue
-      render :nothing => true, :status => :internal_server_error
+    else
+      render :text => "", :status => :not_found
     end
+  rescue ActiveRecord::RecordNotFound
+    render :text => "", :status => :not_found
   end
 
-  def api_details
-    begin
-      trace = Trace.find(params[:id])
+  def api_read
+    trace = Trace.visible.find(params[:id])
 
-      if trace.public? or trace.user == @user
-        render :text => trace.to_xml.to_s, :content_type => "text/xml"
-      else
-        render :nothing => true, :status => :forbidden
+    if trace.public? or trace.user == @user
+      render :text => trace.to_xml.to_s, :content_type => "text/xml"
+    else
+      render :text => "", :status => :forbidden
+    end
+  end
+
+  def api_update
+    trace = Trace.visible.find(params[:id])
+
+    if trace.user == @user
+      new_trace = Trace.from_xml(request.raw_post)
+
+      unless new_trace and new_trace.id == trace.id
+        raise OSM::APIBadUserInput.new("The id in the url (#{trace.id}) is not the same as provided in the xml (#{new_trace.id})")
       end
-    rescue ActiveRecord::RecordNotFound
-      render :nothing => true, :status => :not_found
-    rescue
-      render :nothing => true, :status => :internal_server_error
+
+      trace.description = new_trace.description
+      trace.tags = new_trace.tags
+      trace.visibility = new_trace.visibility
+      trace.save!
+
+      render :text => "", :status => :ok
+    else
+      render :text => "", :status => :forbidden
+    end
+  end
+
+  def api_delete
+    trace = Trace.visible.find(params[:id])
+
+    if trace.user == @user
+      trace.visible = false
+      trace.save!
+
+      render :text => "", :status => :ok
+    else
+      render :text => "", :status => :forbidden
     end
   end
 
   def api_data
-    render :action => 'data'
+    trace = Trace.find(params[:id])
+
+    if trace.public? or trace.user == @user
+      if request.format == Mime::XML or request.format == Mime::GPX
+        send_file(trace.xml_file, :filename => "#{trace.id}.xml", :type => request.format.to_s, :disposition => 'attachment')
+      else
+        send_file(trace.trace_name, :filename => "#{trace.id}#{trace.extension_name}", :type => trace.mime_type, :disposition => 'attachment')
+      end
+    else
+      render :text => "", :status => :forbidden
+    end
   end
 
   def api_create
-    do_create(params[:filename], params[:tags], params[:description], true) do |f|
-      f.write(request.raw_post)
+    tags = params[:tags] || ""
+    description = params[:description] || ""
+    visibility = params[:visibility]
+
+    if visibility.nil?
+      if params[:public] && params[:public].to_i.nonzero?
+        visibility = "public"
+      else
+        visibility = "private"
+      end
     end
 
-    if @trace.id
-      render :nothing => true
+    if params[:file].respond_to?(:read)
+      do_create(params[:file], tags, description, visibility)
+
+      if @trace.id
+        render :text => @trace.id.to_s, :content_type => "text/plain"
+      elsif @trace.valid?
+        render :text => "", :status => :internal_server_error
+      else
+        render :text => "", :status => :bad_request
+      end
     else
-      render :nothing => true, :status => :internal_server_error
+      render :text => "", :status => :bad_request
     end
   end
 
 private
 
-  def do_create(name, tags, description, public)
+  def do_create(file, tags, description, visibility)
+    # Sanitise the user's filename
+    name = file.original_filename.gsub(/[^a-zA-Z0-9.]/, '_')
+
+    # Get a temporary filename...
     filename = "/tmp/#{rand}"
 
-    File.open(filename, "w") { |f| yield f }
+    # ...and save the uploaded file to that location
+    File.open(filename, "wb") { |f| f.write(file.read) }
+
+    # 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,
+      :visibility => visibility,
+      :inserted => true,
+      :user => @user,
+      :timestamp => Time.now.getutc
+    )
+
+    Trace.transaction do
+      begin
+        # Save the trace object
+        @trace.save!
+
+        # Rename the temporary file to the final name
+        FileUtils.mv(filename, @trace.trace_name)
+      rescue Exception => ex
+        # Remove the file as we have failed to update the database
+        FileUtils.rm_f(filename)
+
+        # Pass the exception on
+        raise
+      end
+
+      begin
+        # Clear the inserted flag to make the import daemon load the trace
+        @trace.inserted = false
+        @trace.save!
+      rescue Exception => ex
+        # Remove the file as we have failed to update the database
+        FileUtils.rm_f(@trace.trace_name)
+
+        # Pass the exception on
+        raise
+      end
+    end
+
+    # Finally save the user's preferred privacy level
+    if pref = @user.preferences.where(:k => "gps.trace.visibility").first
+      pref.v = visibility
+      pref.save
+    else
+      @user.preferences.create(:k => "gps.trace.visibility", :v => visibility)
+    end
+
+  end
+
+  def offline_warning
+    flash.now[:warning] = t 'trace.offline_warning.message' if STATUS == :gpx_offline
+  end
+
+  def offline_redirect
+    redirect_to :action => :offline if STATUS == :gpx_offline
+  end
 
-    @trace = Trace.new({:name => name, :tagstring => tags,
-                        :description => description, :public => public})
-    @trace.inserted = false
-    @trace.user = @user
-    @trace.timestamp = Time.now
+  def default_visibility
+    visibility = @user.preferences.where(:k => "gps.trace.visibility").first
 
-    if @trace.save
-      File.rename(filename, @trace.trace_name)
+    if visibility
+      visibility.v
+    elsif @user.preferences.where(:k => "gps.trace.public", :v => "default").first.nil?
+      "private"
     else
-      FileUtils.rm_f(filename)
+      "public"
     end
   end