class TraceController < ApplicationController
- before_filter :authorize_web
- layout 'site'
-
+ layout "site", :except => :georss
+
+ skip_before_action :verify_authenticity_token, :only => [:api_create, :api_read, :api_update, :api_delete, :api_data]
+ before_action :authorize_web
+ before_action :set_locale
+ before_action :require_user, :only => [:mine, :create, :edit, :delete]
+ before_action :authorize, :only => [:api_create, :api_read, :api_update, :api_delete, :api_data]
+ before_action :check_database_readable, :except => [:api_read, :api_data]
+ before_action :check_database_writable, :only => [:create, :edit, :delete, :api_create, :api_update, :api_delete]
+ before_action :check_api_readable, :only => [:api_read, :api_data]
+ before_action :check_api_writable, :only => [:api_create, :api_update, :api_delete]
+ before_action :require_allow_read_gpx, :only => [:api_read, :api_data]
+ before_action :require_allow_write_gpx, :only => [:api_create, :api_update, :api_delete]
+ before_action :offline_warning, :only => [:mine, :view]
+ before_action :offline_redirect, :only => [:create, :edit, :delete, :data, :api_create, :api_delete, :api_data]
+ around_action :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')
- @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 != ''
- target_user = User.find(:first, :conditions => [ "display_name = ?", display_name])
+ if display_name.present?
+ 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
+ @title = if target_user.nil?
+ t "trace.list.public_traces"
+ elsif current_user && current_user == target_user
+ t "trace.list.your_traces"
+ else
+ 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
- else
- conditions = ["public = 1"] #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)
- else
- conditions = ["public = 1 AND user_id = ?", target_user.id] #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;
- 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
-
- @traces = Trace.find(:all , opt)
-
+ @traces = if target_user.nil? # all traces
+ if current_user
+ Trace.visible_to(current_user) # 1
+ else
+ Trace.visible_to_all # 2
+ end
+ elsif current_user && current_user == target_user
+ current_user.traces # 3 (check vs user id, so no join + can't pick up non-public traces by changing name)
+ else
+ target_user.traces.visible_to_all # 4
+ end
+
+ @traces = @traces.tagged(params[:tag]) if params[:tag]
+
+ @params = params.permit(:display_name, :tag)
+
+ @page = (params[:page] || 1).to_i
+ @page_size = 20
+
+ @traces = @traces.visible
+ @traces = @traces.order(:id => :desc)
+ @traces = @traces.offset((@page - 1) * @page_size)
+ @traces = @traces.limit(@page_size)
+ @traces = @traces.includes(:user, :tags)
+
# 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
+ tagset = {}
+ @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'
- end
+ redirect_to :action => :list, :display_name => current_user.display_name
end
def view
@trace = Trace.find(params[:id])
- unless @trace.public
- if @user
- render :nothing, :status => 401 if @trace.user.id != @user.id
- end
+
+ if @trace && @trace.visible? &&
+ (@trace.public? || @trace.user == current_user)
+ @title = t "trace.view.title", :name => @trace.name
+ else
+ flash[:error] = t "trace.view.trace_not_found"
+ redirect_to :action => "list"
end
+ rescue ActiveRecord::RecordNotFound
+ flash[:error] = t "trace.view.trace_not_found"
+ redirect_to :action => "list"
end
def create
- filename = "/tmp/#{rand}"
+ if request.post?
+ 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 StandardError => ex
+ logger.debug ex
+ end
+
+ if @trace.id
+ flash[:notice] = t "trace.create.trace_uploaded"
+
+ flash[:warning] = t "trace.trace_header.traces_waiting", :count => current_user.traces.where(:inserted => false).count if current_user.traces.where(:inserted => false).count > 4
+
+ redirect_to :action => :list, :display_name => current_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 => current_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])
- File.open(filename, "w") { |f| f.write(@params['trace']['gpx_file'].read) }
- @params['trace']['name'] = @params['trace']['gpx_file'].original_filename.gsub(/[^a-zA-Z0-9.]/, '_') # This makes sure filenames are sane
- @params['trace'].delete('gpx_file') # remove the field from the hash, because there's no such field in the DB
- @trace = Trace.new(@params['trace'])
- @trace.inserted = false
- @trace.user = @user
- @trace.timestamp = Time.now
-
- if @trace.save
- saved_filename = "/tmp/#{@trace.id}.gpx"
- File.rename(filename, saved_filename)
-
- 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'
+ if trace.visible? && (trace.public? || (current_user && current_user == trace.user))
+ if Acl.no_trace_download(request.remote_ip)
+ head :forbidden
+ elsif request.format == Mime[:xml]
+ send_data(trace.xml_file.read, :filename => "#{trace.id}.xml", :type => request.format.to_s, :disposition => "attachment")
+ elsif request.format == Mime[:gpx]
+ send_data(trace.xml_file.read, :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 :action => 'mine'
+ head :not_found
end
+ rescue ActiveRecord::RecordNotFound
+ head :not_found
end
- def georss
- traces = Trace.find(:all, :conditions => ['public = true'], :order => 'timestamp DESC', :limit => 20)
+ def edit
+ @trace = Trace.find(params[:id])
- rss = OSM::GeoRSS.new
+ if !@trace.visible?
+ head :not_found
+ elsif current_user.nil? || @trace.user != current_user
+ head :forbidden
+ else
+ @title = t "trace.edit.title", :name => @trace.name
- #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 request.post? && params[:trace]
+ @trace.description = params[:trace][:description]
+ @trace.tagstring = params[:trace][:tagstring]
+ @trace.visibility = params[:trace][:visibility]
+ redirect_to :action => "view", :display_name => current_user.display_name if @trace.save
+ end
end
+ rescue ActiveRecord::RecordNotFound
+ head :not_found
+ end
- response.headers["Content-Type"] = 'application/xml+rss'
+ def delete
+ trace = Trace.find(params[:id])
- render :text => rss.to_s
+ if !trace.visible?
+ head :not_found
+ elsif current_user.nil? || trace.user != current_user
+ head :forbidden
+ else
+ trace.visible = false
+ trace.save
+ flash[:notice] = t "trace.delete.scheduled_for_deletion"
+ redirect_to :action => :list, :display_name => current_user.display_name
+ end
+ rescue ActiveRecord::RecordNotFound
+ head :not_found
+ end
+
+ def georss
+ @traces = Trace.visible_to_all.visible
+
+ @traces = @traces.joins(:user).where(:users => { :display_name => params[:display_name] }) if params[:display_name]
+
+ @traces = @traces.tagged(params[:tag]) if params[:tag]
+ @traces = @traces.order("timestamp DESC")
+ @traces = @traces.limit(20)
+ @traces = @traces.includes(:user)
end
def picture
trace = Trace.find(params[:id])
- send_data(trace.large_picture, :filename => "#{trace.id}.gif", :type => 'image/gif', :disposition => 'inline') if trace.public
+
+ if trace.visible? && trace.inserted?
+ if trace.public? || (current_user && current_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
+ head :forbidden
+ end
+ else
+ head :not_found
+ end
+ rescue ActiveRecord::RecordNotFound
+ head :not_found
end
def icon
trace = Trace.find(params[:id])
- send_data(trace.icon_picture, :filename => "#{trace.id}_icon.gif", :type => 'image/gif', :disposition => 'inline') if trace.public
+
+ if trace.visible? && trace.inserted?
+ if trace.public? || (current_user && current_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
+ head :forbidden
+ end
+ else
+ head :not_found
+ end
+ rescue ActiveRecord::RecordNotFound
+ head :not_found
+ end
+
+ def api_read
+ trace = Trace.visible.find(params[:id])
+
+ if trace.public? || trace.user == current_user
+ render :xml => trace.to_xml.to_s
+ else
+ head :forbidden
+ end
+ end
+
+ def api_update
+ trace = Trace.visible.find(params[:id])
+
+ if trace.user == current_user
+ trace.update_from_xml(request.raw_post)
+ trace.save!
+
+ head :ok
+ else
+ head :forbidden
+ end
+ end
+
+ def api_delete
+ trace = Trace.visible.find(params[:id])
+
+ if trace.user == current_user
+ trace.visible = false
+ trace.save!
+
+ head :ok
+ else
+ head :forbidden
+ end
+ end
+
+ def api_data
+ trace = Trace.visible.find(params[:id])
+
+ if trace.public? || trace.user == current_user
+ if request.format == Mime[:xml]
+ send_data(trace.xml_file.read, :filename => "#{trace.id}.xml", :type => request.format.to_s, :disposition => "attachment")
+ elsif request.format == Mime[:gpx]
+ send_data(trace.xml_file.read, :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
+ head :forbidden
+ end
+ end
+
+ def api_create
+ tags = params[:tags] || ""
+ description = params[:description] || ""
+ visibility = params[:visibility]
+
+ if visibility.nil?
+ visibility = if params[:public] && params[:public].to_i.nonzero?
+ "public"
+ else
+ "private"
+ end
+ end
+
+ if params[:file].respond_to?(:read)
+ do_create(params[:file], tags, description, visibility)
+
+ if @trace.id
+ render :plain => @trace.id.to_s
+ elsif @trace.valid?
+ head :internal_server_error
+ else
+ head :bad_request
+ end
+ else
+ head :bad_request
+ end
+ end
+
+ private
+
+ 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}"
+
+ # ...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 => current_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 StandardError
+ # 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 StandardError
+ # 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 = current_user.preferences.where(:k => "gps.trace.visibility").first
+ pref.v = visibility
+ pref.save
+ else
+ current_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
+
+ def default_visibility
+ visibility = current_user.preferences.where(:k => "gps.trace.visibility").first
+
+ if visibility
+ visibility.v
+ elsif current_user.preferences.where(:k => "gps.trace.public", :v => "default").first.nil?
+ "private"
+ else
+ "public"
+ end
end
end